JP6116266B2 - Aerosol container and injection member - Google Patents

Description

  The present invention relates to an aerosol container capable of injecting contents and an injection device used for the aerosol container.

  Currently, a main part and a container part filled with a propellant such as a gas or liquid gas for injecting the main ingredient and an injection member having an operation part having an injection port for injecting the main ingredient in the container part are provided and operated. An aerosol container capable of injecting a main agent by operating a part is known.

  In such an aerosol container, the propellant may remain in the container even when the sealed main agent is sprayed. The aerosol container is desired to discharge the propellant remaining inside when it is discarded. However, in order to discharge the propellant at the time of disposal, it is burdensome for the user to operate the operation unit until the discharge of the propellant is completed. Therefore, a technique is known that can easily discharge the propellant at the time of disposal of the aerosol container.

  For example, as a technique for discharging a propellant from a container body, a technique is known in which an injection member is provided with two groove portions having different lengths, and an operation portion is provided with a guide protrusion (see Patent Document 1). The injection member used for such an aerosol container can ensure a long movement distance of the operation unit by inserting the guide projection into the long groove when injecting the main agent and the propellant. When operated, the operation unit moves along the groove and can press the nozzle.

  In addition, when ejecting the propellant, the injection member inserts the guide protrusion into the short groove, so that the movable distance of the operation portion is shortened, and the end of the groove formed in the injection member is interposed by the guide protrusion. The operation unit is pressed. As a result, the state in which the injection member always operates the operation part is maintained, and the propellant can be discharged from the container part.

  Further, as a technique for discharging the propellant from the container body, a technique such as fixing a member such as a coin to the injection member and maintaining the state in which the operation part is operated by the member, or a fixing means for fixing the operation part in the operated state There is also known a technique in which an injection member is provided and the operation portion is operated by the fixing means during discharge.

JP 2008-1418 A

  The aerosol container described above has the following problems. That is, when the aerosol container has a configuration in which a plurality of grooves, a groove in which a coin for operating the operation unit is disposed, or a configuration in which a fixing means is provided in the injection member, the configuration of the injection member becomes complicated. Since the injection member is a resin molded product, there is a problem that it becomes difficult to form if the configuration is complicated.

  Moreover, in the technique of fixing a member such as a coin to the injection member and operating and maintaining the operation unit, a member for operating the operation unit is required separately from the aerosol container. Need to be manipulated artificially.

  Furthermore, in the configuration in which the fixing means for fixing the operating member to the ejection member is provided, the operating member is not interfered with the operating unit during normal use so that the operating unit is not accidentally operated by the fixing unit during normal use. It is necessary to take measures such as placing them in Further, if the fixing means is provided integrally with the injection member, there is a problem that the configuration of the injection member becomes complicated.

  Therefore, an object of the present invention is to provide an aerosol container and an injection member that can discharge easily the remaining propellant with a simple configuration.

  In order to solve the above problems and achieve the object, the aerosol container and the injection member of the present invention are configured as follows.

As one aspect of the present invention, an aerosol container has an opening / closing means that opens and closes a flow path formed in the stem by movement of a stem that protrudes from an outer surface thereof, and includes a propellant that injects the main agent and the main agent. The container body enclosed therein, a cylindrical fixing portion fitted to the stem, and the fixing portion are integrally provided on an end surface closing one end thereof, and the flow path formed in the stem and the An operation part having a base part formed on an outer surface of an injection port communicating with the fixing part, an inner wall part into which the operation part can be inserted, an outer wall provided integrally with the inner wall part and fixed to the container body And an opening provided on the outer wall and opposed to the injection port, and provided on the inner wall and rotated from the position where the injection port and the opening are opposed to the outer wall around the axis. Move before When the outer wall is fixed to the container body, and a cover having a pressing portion for pressing the end face of the base portion in the moving direction of the stem, provided in said base and said inner wall portion, a moving direction of the stem And a guide portion for supporting the force in the direction of inclining and guiding the base portion in the direction of movement of the stem, and the operation portion includes the base portion formed in a bottomed cylindrical shape and the fixed portion. The shaft center of the portion is eccentric with the shaft center of the base portion, and the fixing portion is provided integrally with the base portion, and the cover is formed in a cylindrical shape in which the inner wall portion can be inserted into the operation portion. A shaft center is eccentric from a shaft center of the outer wall portion, and the inner wall portion is provided integrally with the outer wall portion. The inner wall portion includes a first semi-cylindrical portion that guides the movement of the base portion, and the first semi-cylindrical portion. Shorter than the end surface of the base. A second semi-cylindrical portion that constitutes the pressing portion formed so as to be capable of pressing, and the guide portion is provided in a symmetrical position on the outer peripheral surface of the base portion, and is a surface direction disposed on the injection port side A first end surface along the moving direction of the stem and a pair of protrusions having a second end surface along the moving direction of the stem, the surface direction disposed on the side facing the injection port, and the first A sliding surface provided on one semi-cylindrical portion and slidably formed on one of the first end surface and the second end surface of the pair of protrusions ;

As one aspect of the present invention, there is an opening / closing means for opening and closing a flow path formed in the stem by the movement of a stem arranged to protrude from the outer surface, and the main agent and the propellant for injecting the main agent are contained therein. An injection member for an aerosol container having a container body enclosed in the container, wherein the fixing portion is integrally provided on a cylindrical fixing portion fitted to the stem, and an end surface closing one end thereof, and the stem An operation portion having a base portion formed on the outer surface of the injection port communicating with the flow path formed through the fixing portion, an inner wall portion into which the operation portion can be inserted, and the inner wall portion are provided integrally. An outer wall portion fixed to the container body, an opening portion provided on the outer wall portion and opposed to the injection port, and an outer wall portion provided on the inner wall portion from a position where the injection port and the opening portion are opposed to each other. The Said outer wall portion is rotated around the shaft center in the case of fixing to the container body, and a cover having a pressing portion for pressing the end face of the base in the direction of movement of the stem, the base and the inner wall And a guide portion that supports a force inclined in the direction of movement of the stem and guides the base portion in the direction of movement of the stem, and the operation portion includes the base portion. It is formed in a bottom cylindrical shape, the shaft center of the fixed portion is eccentric from the shaft center of the base portion, the fixed portion is provided integrally with the base portion, and the inner wall portion of the cover can be inserted into the operation portion. The inner wall is formed integrally with the outer wall with the axis of the inner wall decentered from the axis of the outer wall, and the inner wall guides the movement of the base. A semi-cylindrical part and shorter than the first semi-cylindrical part. A second semi-cylindrical portion that constitutes the pressing portion formed so that the end surface can press the end surface of the base portion, and the guide portion is provided at a symmetrical position on the outer peripheral surface of the base portion, A pair having a first end surface in which the surface direction arranged on the mouth side is along the moving direction of the stem and a second end surface in which the surface direction arranged on the side facing the injection port is along the moving direction of the stem. And a sliding surface provided on the first semi-cylindrical portion and formed to be slidable with one of the first end surface and the second end surface of the pair of projection portions .

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the aerosol container and injection member which can discharge | emit the remaining propellant easily with a simple structure.

The perspective view which shows the structure of the aerosol container which concerns on the 1st Embodiment of this invention in a partial cross section. Sectional drawing which shows the structure of the aerosol container. The perspective view which shows the structure of the aerosol container in a partial cross section. Sectional drawing which shows the structure of the aerosol container. The perspective view which shows the structure of the injection member used for the aerosol container. The perspective view which shows the structure of the injection member. Sectional drawing which shows the structure of the aerosol container which concerns on the 2nd Embodiment of this invention. Sectional drawing which shows the structure of the aerosol container. The perspective view which shows the structure of the injection member used for the aerosol container. Sectional drawing which shows the structure of the aerosol container which concerns on the 3rd Embodiment of this invention. The top view which shows the structure of the aerosol container. The perspective view which shows the structure of the injection member used for the aerosol container. The perspective view which shows the structure of the injection member. Sectional drawing which shows the structure of the aerosol container. The top view which shows the structure of the aerosol container. The top view which shows the structure of the aerosol container which concerns on the 4th Embodiment of this invention.

(First embodiment)
Hereinafter, the configuration of the aerosol container 1 according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 6.

  FIG. 1 is a perspective view partially showing a configuration of the aerosol container 1 according to the first embodiment of the present invention, FIG. 2 is a sectional view showing the configuration of the aerosol container 1, and FIG. 3 is a configuration of the aerosol container 1. FIG. 4 is a perspective view showing a part of the configuration at the time of discharging the propellant, FIG. 4 is a cross-sectional view showing the configuration of the aerosol container 1 and at the time of discharging the propellant, and FIG. FIG. 6 is a perspective view showing the configuration of the injection member 6 from below.

  As shown in FIG. 1, the aerosol container 1 includes a container part 5 and an injection member 6. The aerosol container 1 is formed so that the main agent and the propellant are enclosed in the container part 5 and the main agent can be injected by the propellant.

  Such an aerosol container 1 is used, for example, for cosmetics, household products, pharmaceuticals, paint products, insecticide products, and the like. The main agent used for the aerosol container 1 corresponds to these uses. The main agent is, for example, a deodorant antiperspirant, a muscle anti-inflammatory agent, a paint, and an insecticide. The propellant is a liquefied gas or a compressed gas. For example, LP gas, a mixture of LP gas and isopentane, or the like is used.

  The container unit 5 includes a container body 11 and an opening / closing means 12. The container main body 11 is a so-called pressure-resistant container formed so that the main agent and the propellant can be sealed therein. The container main body 11 is wound around the barrel 15 and one end of the barrel 15, and the opening / closing means 12 is provided at the center of the lid 16 and the other end of the barrel 15. And a bottom body.

  The container main body 11 has a body 15 and a lid 16 fixed by winding to form a winding fastening portion 19 projecting in the radial direction. As for the trunk | drum 15, the diameter of the edge part by which the cover body 16 and winding are reduced, for example. The lid body 16 is formed with a center portion and an outer edge portion protruding. In other words, the lid body 16 is formed in a shape in which the space between the center portion and the outer edge portion is recessed toward the inside of the container body 11. The bottom body is formed integrally with the body portion 15 or is fixed to the body portion 15 by winding.

  The container body 11 is formed by a sealed main agent and propellant, a vapor phase formed by a gaseous propellant above the inside, and a mixed phase formed by the main agent and a liquid propellant below the inside. Is done. The mixed phase is composed of a liquid or powdery main agent and a liquid or gaseous propellant. The mixed phase is pressurized by the vapor phase.

  The opening / closing means 12 is a valve body that is disposed in the container body 11 and that is partly protruded from the lid body 16 and is opened and closed by operating a portion protruding from the lid body 16. Specifically, as shown in FIGS. 2 and 4, the opening / closing means 12 has a hole portion 21 a in which a part thereof is disposed so as to protrude from the lid body 16 and the other portion is disposed in the container main body 11. , A stem gasket that closes the hole 21a of the stem 21 provided in the container body 11, a coil spring that biases the stem 21 toward the lid 16, and the other part of the stem 21 and the coil spring. The support body arrange | positioned and the tube which is provided in the support body and continues the support body and the bottom body side in the container main body 11 are provided.

  The stem 21 is formed in, for example, a bottomed cylindrical shape, and is urged against the lid body 16 by an urging member, so that a part of the stem 21 is arranged to protrude from the lid body 16. The tip of the stem 21 protruding from the lid body 16 is opened by the hole 21a. The stem 21 is formed so as to be movable toward the inside of the container main body 11 by a predetermined amount from the state protruding from the lid body 16.

  The hole 21a of the stem 21 extends from the open end toward the other end side along the axial direction, and from the midway portion of the stem 21 located in the container body 11 to the outer peripheral surface of the stem 21. Formed in communication.

  The stem gasket is provided, for example, on the inner surface of the lid 16 and closes the hole 21a when the stem 21 is urged by the urging member. The stem gasket is formed so that the hole 21a can be opened when the stem 21 moves to the inside of the container body 11 against the urging force of the urging member.

  The support body is formed so as to be slidable inside the stem 21 and to support the biasing member. Further, the support body constitutes a part of the flow path of the main agent and the propellant in which the inside thereof continues the hole portion 21a of the opened stem 21 and the tube. The tube forms a mixed phase flow path of the main agent and propellant in the container body 11.

  As shown in FIGS. 1 to 6, the injection member 6 is fixed to the lid 16 that covers the periphery of the operating unit 31 and guides the movement of the operating unit 31 while fixing the operating unit 31 to the stem 21. And a cover 32.

  The operation portion 31 includes a bottomed cylindrical base portion 35 that is closed on one side, a protruding portion provided from the inner surface of the base portion 35, and a fixing portion 36 that is fixed to the stem 21 by fitting with the stem 21, and a fixing portion 36 and a pair of protrusions 38 provided on the outer peripheral surface of the base 35. The injection port 37 forms a flow path portion of the main agent that continues from the inside of the base 35 to the outer surface of the base 35. The operation unit 31 is an actuator that moves the stem 21 by being pressed. The operation unit 31 is a resin molded product formed of a resin material.

  The base portion 35 includes a ceiling surface 39 formed at an end thereof so as to be inclined with respect to a direction orthogonal to the axial direction. The ceiling surface 39 is formed so as to be pressed by the user. Further, the ceiling surface 39 is formed with a guide display portion 39a such as an arrow or a triangle at a part of the upper surface, specifically, at an end portion on the side where the injection port 37 is provided.

  The fixing portion 36 extends along the axial direction of the base portion 35 on the inner surface of the ceiling surface 39 located on the inner side of the base portion 35. The axis of the fixed portion 36 is arranged on the ceiling surface 39 so that the axis is eccentric with respect to the axis of the base portion 35. The fixing portion 36 is formed in a cylindrical shape having a first opening 36a in which the stem 21 is fitted and a second opening 36b having a smaller diameter than the first opening 36a.

  The injection port 37 is provided in a part of the outer peripheral surface of the base portion 35. Specifically, the injection port 37 is an extension of a straight line connecting the axis of the base 35 and the axis of the fixed part 36, and the outer peripheral surface of the base 35 on the side where the distance from the axis of the fixed part 36 is short. Is provided.

  The injection port 37 is provided on the outer peripheral surface of the third opening 37a extending in the direction orthogonal to the axial direction of the base 35, which is continuous with the middle part of the second opening 36b, and the center thereof. And a frustoconical recess 37b in which the third opening 37a is opened. The injection port 37 forms a flow path for the main agent and the propellant from the stem 21 by the third opening 37a together with the second opening 36b. The opening end of the third opening 37a is disposed in the recess 37b.

  A pair of protrusions 38 are provided on the outer peripheral surface of the base 35 passing through the center of the fixed part 36, and are provided in a direction orthogonal to a straight line connecting the axis of the base 35 and the axis of the fixed part 36. That is, the base portion 35 is provided with two protrusions 38 at symmetrical positions on the outer peripheral surface thereof, and the injection port 37 is provided between the protrusions 38 and at an equal position from the protrusion 38.

  The protrusion 38 has a longitudinal direction extending in the axial direction of the base 35, in other words, in the moving direction of the stem 21 and the base 35, and the main surface direction is formed along the axial direction. It has an end surface and is formed so as to protrude from the outer peripheral surface of the base portion 35. Specifically, as shown in FIGS. 1, 3, 5, and 6, the protrusion 38 has a first end surface 38 a disposed on the injection port 37 side and a side opposite to the injection port 37 side, In other words, the injection port 37 side and the 2nd end surface 38b arrange | positioned on both sides of the axial center of the fixing | fixed part 36 are provided.

  The cover 32 is formed such that the operation portion 31 can be inserted through the center thereof, and cylindrical wall portions having two different diameters whose axes are eccentric are continuous on one end side. Specifically, the cover 32 includes a cylindrical outer wall portion 41, a cylindrical inner wall portion 42 having a smaller diameter than the outer wall portion 41 and slightly larger than the base portion 35, an outer wall portion 41, and A ceiling portion 43 that is continuous with the inner wall portion 42.

  The cover 32 is closed between the outer wall 41 and the inner wall 42 on one end side by a ceiling 43. Note that the inner wall portion 42 opens at one end side of the cover 32. Further, the outer wall 41 and the inner wall 42 are opened on the other end side of the cover 32. The cover 32 is a resin molded product made of a resin material.

  One end of the outer wall portion 41 is continuously formed by the inner wall portion 42 and the ceiling portion 43. The outer wall portion 41 is formed such that, when fixed to the container body 11, its axis is located concentrically with the axis of the fixing portion 36, in other words, the axis of the stem 21. The outer wall 41 is fitted with the lid 16 at the inner peripheral surface at the other end. Specifically, the outer wall portion 41 includes a fitting portion 45 that engages with the lid body 16 by engaging with the body portion 15 and the winding fastening portion 19 of the lid body 16.

  The outer wall portion 41 has an opening 46 formed on a part of the outer peripheral surface thereof, which has a larger diameter than the injection port 37 and faces the injection port 37. The outer wall portion 41 has the highest height from the other end to the end where the opening 46 is provided, and the height is low toward the side opposite to the side where the opening 46 is provided. It is formed so as to be inclined. Further, the outer wall 41 is formed such that the side opposite to the side where the opening 46 is provided is lower than the ceiling surface 39 of the operation unit 31 fixed to the stem 21.

  One end of the inner wall portion 42 is continuous with the outer wall portion 41 via the ceiling portion 43. The inner wall portion 42 is arranged such that its axis is eccentric with respect to the axis of the outer wall portion 41. Further, the inner wall portion 42 is formed so that its axis can be arranged concentrically with the axis of the base portion 35 when the outer wall portion 41 is fixed to the container body 11. That is, the inner wall portion 42 is farthest from the outer wall portion 41 on the side where the opening portion 46 of the outer wall portion 41 is provided, and is closest to the side opposite to the side where the opening portion 46 of the outer wall portion 41 is provided. To do.

  The inner wall portion 42 is formed by opening one end thereof. One end of the inner wall portion 42 is formed by an inclination that is continuous with the inclination of one end of the outer wall portion 41. The inner wall portion 42 has the same height as that of the opposite outer wall portion 41 on the side opposite to the side on which the opening 46 of the outer wall portion 41 is provided, that is, the operation portion 31 fixed to the stem 21. It is formed lower than the ceiling surface 39.

  The inner wall portion 42 is formed at different heights at the other ends. Specifically, the inner wall portion 42 has a base portion 35 in which a part of the side surface on the opening 46 side of the outer wall portion 41 is notched, and an end surface of the notched side surface facing the container body 11 is fixed to the stem 21. It is located below the upper surface of the ceiling surface 39.

  The inner wall portion 42 is located at a position where the injection port 37 and the opening portion 46 do not face each other, in other words, when the axis of the base portion 35 and the axis of the inner wall portion 42 are eccentric and the cover 32 is disposed on the container main body 11. The cut-out side surface constitutes a pressing portion 49 that presses the ceiling surface 39 by the end surface 49 a facing the container body 11. Further, the inner wall portion 42 is formed such that an end surface along the axial direction of the inner wall portion 42 can come into contact with one of the first end surface 38 a and the second end surface 38 b of the protrusion 38.

  In other words, the inner wall portion 42 includes a substantially semi-cylindrical first semi-cylindrical portion 48 and a second semi-cylindrical portion (pressing portion) 49 formed shorter than the first semi-cylindrical portion 48. The first semi-cylindrical portion 48 has a sliding surface 48a formed along the axial center thereof and capable of contacting one of the first end surface 38a and the second end surface 38b of the pair of protrusions 38 of the base portion 35.

  The first semi-cylindrical portion 48 is in contact with the outer peripheral surface of the base portion 35 or separated through a minute gap, and the sliding surface 48a is in contact with one of the first end surface 38a and the second end surface 38b of the protruding portion 38. The first semi-cylindrical portion 48 is a guide that guides the base portion 35 and the protrusion portion 38 in the axial direction, that is, the movement direction of the base portion 35 by sliding the protrusion portion 38 on the sliding surface 48 a when the operation portion 31 is moved. Part.

  The second semi-cylindrical portion 49 has an end surface 49 a that faces the container body 11. The second semi-cylindrical portion 49 is formed such that its end surface 49a is inclined at the same angle as the inclination angle of the ceiling surface 39 of the base portion 35 so as to descend outward from the center thereof.

  When the cover 46 is fixed to the container body 11 by rotating the opening 46 from the position facing the injection port 37 in the rotational direction about the axis, the end surface 49 a Is formed so that it can be pressed. Specifically, the second semi-cylindrical portion 49 is operated by pressing and operating the operation portion 31 when its end surface 49a abuts on the lowest part that can abut on the end surface 49a of the ceiling surface 39. The stem 21 is formed in such a length that it can be moved in the moving direction until the means 12 is in an open state.

  Further, the second semi-cylindrical portion 49 has a notch portion in which a portion facing the opening of the concave portion 37b of the ejection port 37 is notched when the ejection port 37 of the operation unit 31 and the opening 46 of the outer wall portion 41 are opposed to each other. 49b. The cutout 49 b is cut into a shape that does not hinder the movement of the main agent injected from the third opening 37 a of the injection port 37.

  The ceiling portion 43 is formed integrally with the outer wall portion 41 and the inner wall portion 42 and closes the space between the outer wall portion 41 and the inner wall portion 42. The ceiling part 43 forms a hollow part 51 lower than the other part by continuing the part formed lower than the ceiling surface 39 of the operation part 31 fixed to the stem 21 of the outer wall part 41 and the inner wall part 42. To do. On the upper surface of the hollow 51, a guide display 51a such as an arrow or a triangle is formed.

  In such an injection member 6, for example, the operation portion 31 and the cover 32 are arranged such that the shaft center of the base portion 35 and the eccentricity of the shaft portion of the fixing portion 36, The amount of eccentricity is the same.

  A method for using the aerosol container 1 using the spray member 6 configured as described above and a method for discharging the propellant will be described below.

(How to use the aerosol container 1)
The usage method of the aerosol container 1 which injects a main ingredient is demonstrated using FIG.1 and FIG.2. First, the fixing portion 36 is fitted to the stem 21, and the operation portion 31 is fixed to the container portion 5. Next, the cover 32 is positioned so that the injection port 37 and the opening 46 face each other, and the fitting portion 45 is fitted to the winding fastening portion 19 to fix the cover 32 to the lid body 16.

  Thereby, the injection member 6 is fixed to the container part 5 in a state where the aerosol container 1 can be used. For example, the aerosol container 1 circulates as a product in a state where the injection member 6 is fixed to the container part 5 in such a usable state.

  Next, as the use of the aerosol container 1, when the main agent is to be injected, the user presses the operation unit 31. When the operating portion 31 is pressed, the stem 21 moves toward the inside of the container body 11, the hole 21a of the stem 21 is separated from the stem gasket, and the opening / closing means 12 is opened. By opening the opening / closing means 12, a flow path of the main agent and the propellant is formed from the tube to the injection port 37.

  When the opening / closing means 12 is opened and closed, the mixed phase of the main agent and the propellant in the container body 11 moves from the tube to the injection port 37 due to the pressure of the vapor phase of the propellant, and passes through the opening 46 from the injection port 37. Is injected. At this time, when the main agent and propellant are injected into the atmosphere, the propellant expands rapidly, and the main agent is injected in the form of fine mist or foam.

(Method for discharging the propellant in the aerosol container 1)
A method for discharging the propellant remaining in the aerosol container 1 will be described with reference to FIGS. 3 and 4. First, the cover 32 is removed from the container body 11. Next, in a state where the operation part 31 is fixed to the stem 21, the guide display part 39 a on the ceiling surface 39 of the base part 35 and the cover 32 are rotated by approximately 180 degrees, and the guide display part 51 a of the hollow part 51 of the cover 32. The cover 32 is arranged so as to face each other.

  In other words, the cover 32 is disposed such that the opening 46 of the cover 32 is disposed at a position facing the ejection port 37 of the base 35, and the ejection port 37 of the base 35 is opposed to the recess 51 of the cover 32. In other words, the cover 32 is arranged so that the axial center of the base portion 35 and the axial center of the inner wall portion 42 are eccentric, and preferably the two axial centers are at the most spaced positions.

  In this state, the fitting portion 45 is fitted to the winding fastening portion 19 and the cover 32 is fixed to the lid body 16. Thereby, in the aerosol container 1, the ceiling surface 39 of the base portion 35 is pressed by the end surface 49 a of the second semi-cylindrical portion 49 of the cover 32. That is, the stem 21 moves to the inside of the container main body 11 and the opening / closing means 12 is opened. As a result, the propellant remaining in the container main body 11 is injected.

  Since the operation of the operation unit 31 by the cover 32 is maintained while the cover 32 is fixed to the container main body 11, the jet remaining in the container main body 11 by fixing the cover 32 to the container main body 11. All the agent is discharged. As described above, the cover 32 is fixed to the container body 11 in a state where the cover 32 is shifted from the position during normal use in the direction of rotation about the axis thereof, in the present embodiment, the state where the cover 32 is rotated approximately 180 degrees. The propellant is discharged.

  According to the aerosol container 1 configured as described above, the operation unit 31 decenters the axes of the base 35 and the fixing unit 36, and similarly, the cover 32 decenters the axes of the outer wall 41 and the inner wall 42. By doing so, the operation part 31 is located in the inner wall part 42 at the time of normal use. Thereby, the operation part 31 becomes movable along the inner wall part 42, and when the user operates the operation part 31, the opening / closing means 12 can be opened and the main agent can be injected.

  Further, when discharging the propellant remaining in the container main body 11, the cover 32 is rotated with respect to the operation unit 31 so that the opening 46 and the injection port 37 are arranged to face each other. Secure to. As a result, the second semi-cylindrical portion 49 of the cover 32 moves the stem 21 by the end surface 49a interfering with the operation portion 31 and pressing the ceiling surface 39. As a result, the opening / closing means 12 is opened, and easy In addition, the propellant remaining in the container main body 11 can be discharged.

  Further, the aerosol container 1 has a protruding portion 38 on the outer peripheral surface of the base portion 35, and a sliding surface 48 a on which the first end surface 38 a and the second end surface 38 b of the protruding portion 38 slide on the inner wall portion 42 of the cover 32. By having it, the projection part 38 and the sliding surface 48a can guide the operation part 31 in the moving direction. Specifically, the protrusion 38 has a first end surface 38 a and a second end surface 38 b extending in the moving direction of the operation unit 31, and one of the first end surface 38 a and the second end surface 38 b is the operation unit 31. , The sliding surface 48a of the cover 32 slides.

  The protrusion 38 and the sliding surface 48a support the force in the direction in which the operation unit 31 is inclined by contact, thereby preventing the operation unit 31 from inclining and guiding the operation unit 31 in the moving direction of the stem 21. To do. Moreover, the aerosol container 1 can enlarge the area which presses the operation part 31 as much as possible by making the 2nd semi-cylindrical part 49 (pressing part 49) into a semi-cylindrical shape. Thereby, it is possible to disperse the force that presses the operation unit 31 by the cover 32, and it is possible to prevent the pressing force from being concentrated and applied to a part.

  By these things, when the operation part 31 is pressed by the user or the cover 32, the aerosol container 1 prevents the operation part 31 from being inclined and moved, and the operability of the operation part 31 is improved. And it becomes the improvement of the discharge property of a propellant.

  Further, the aerosol container 1 is configured such that the operation unit 31 and the cover 32 are arranged such that the axis of the base 35 and the inner wall 42 is eccentric by an equal distance from the axis of the stem 21 and the movement direction of the operation unit 31 is set. A simple configuration may be employed in which the guiding protrusion 38 and the sliding surface 48a are provided. For this reason, the injection member 6 does not increase the manufacturing cost. Therefore, the aerosol container 1 does not increase the manufacturing cost.

  Further, the aerosol container 1 is configured such that the injection port 37 is provided on the side where the distance from the fixed part 36 is short, on an extension of a straight line connecting the axis 35 of the base part 35 and the fixed part 36 arranged eccentrically. This makes it possible to shorten the length of the third opening 37a. As the length of the third opening 37a becomes shorter, the injected main agent becomes sprayed, in other words, can be more scattered.

  For example, in order to shorten the third opening 37a, it is possible to increase the depth of the recess 37b. However, if the recess 37b is deepened, it may be difficult to remove the mold, or the structure of the mold may be reduced. The complexity may increase the cost of the mold.

  The injection port 37 is an extension of a straight line connecting the shaft centers of the base portion 35 and the fixed portion 36 arranged eccentrically, and has a simple configuration provided on the side where the distance from the fixed portion 36 is short, and increases the manufacturing cost. Without this, the distance of the third opening 37a can be shortened.

  As described above, according to the aerosol container 1 using the injection member 6 according to the first embodiment of the present invention, the remaining propellant can be easily discharged with a simple configuration.

(Second Embodiment)
Next, the configuration of an aerosol container 1A according to the second embodiment of the present invention will be described with reference to FIGS.
FIG. 7 is a cross-sectional view showing a configuration of an aerosol container 1A according to the second embodiment of the present invention, FIG. 8 is a configuration of the aerosol container 1A, and is a cross-sectional view showing a configuration at the time of discharging a propellant, FIG. It is a perspective view which shows the structure of 6 A of injection members used for aerosol container 1A from the downward direction. In addition, the same code | symbol is attached | subjected to the structure similar to the aerosol container 1 which concerns on 1st Embodiment mentioned above among the structures of the aerosol container 1A which concerns on 2nd Embodiment, and the detailed description is abbreviate | omitted.

  As shown in FIG. 7, the aerosol container 1A includes a container part 5 and an injection member 6A. The aerosol container 1A is formed so that the main agent and the propellant are enclosed in the container part 5 and the main agent can be injected by the propellant. Similar to the aerosol container 1, such an aerosol container 1 </ b> A is used for, for example, cosmetics, household products, pharmaceuticals, paint products, insecticide products, and the like.

  6 A of injection members are provided with the operation part 31A fixed to the stem 21, and the cover 32A fixed to the cover body 16 which covers the circumference | surroundings of the operation part 31A and guides the movement of the operation part 31A.

  The operation part 31 </ b> A includes a base part 35, a fixing part 36, an injection port 37, and a groove part 38 </ b> A provided on the outer peripheral surface of the base part 35. The operation unit 31A is an actuator that moves the stem 21 by being pressed. The operation unit 31A is a resin molded product formed of a resin material. In other words, the operation portion 31 </ b> A does not have the projection portion 38 of the operation portion 31 described above, and has a groove portion 38 </ b> A in a part of the outer peripheral surface of the base portion 35.

  The groove portion 38A is a straight line connecting the axis of the base portion 35 and the axis of the fixed portion 36, and is the outer peripheral surface of the base portion 35 on the side opposite to the side where the injection port 37 is provided, and the opening end of the base portion 35 It is provided on the side along the axial direction of the base 35. In other words, the base portion 35 has a groove portion along the moving direction of the operation portion 31 </ b> A at a position opposite to the injection port 37 on the outer peripheral surface thereof.

  The operation part 31A can be inserted into the center of the cover 32A, and the cylindrical wall part having two different diameters whose axis centers are eccentric is continuous on one end side. The cover 32A includes a cylindrical outer wall portion 41, a cylindrical inner wall portion 42A that is smaller in diameter than the outer wall portion 41 and slightly larger in diameter than the base portion 35, and the outer wall portion 41 and the inner wall portion 42A. And a ceiling part 43 to be provided.

  The cover 32 </ b> A is closed by the ceiling 43 between the outer wall 41 and the inner wall 42 </ b> A on one end side. The inner wall portion 42A is open on one end side of the cover 32A. Further, the outer wall portion 41 and the inner wall portion 42A are opened on the other end side of the cover 32A. The cover 32A is a resin molded product formed of a resin material.

  One end of the inner wall portion 42 </ b> A continues to the outer wall portion 41 through the ceiling portion 43. The inner wall portion 42 </ b> A is disposed such that its axis is eccentric with respect to the axis of the outer wall portion 41. Further, the inner wall portion 42 </ b> A is formed so that its axial center can be arranged concentrically with the axial center of the base portion 35 when the outer wall portion 41 is fixed to the container body 11. That is, the inner wall portion 42A is farthest away from the outer wall portion 41 on the side where the opening portion 46 of the outer wall portion 41 is provided, and is closest to the side opposite to the side where the opening portion 46 of the outer wall portion 41 is provided. To do.

  The inner wall portion 42A is formed with one end opened. One end of the inner wall portion 42 </ b> A is formed by an inclination that is continuous with the inclination of one end of the outer wall portion 41. The inner wall portion 42A has the same height as the opposite outer wall portion 41 on the side opposite to the side where the opening 46 of the outer wall portion 41 is provided, that is, the inner wall portion 42A of the operation portion 31A fixed to the stem 21. It is formed lower than the ceiling surface 39.

  The inner wall portion 42A is formed at different heights at the other ends. Specifically, the inner wall portion 42 </ b> A has a cut-out side surface on the opening 46 side of the outer wall portion 41, and a ceiling surface of the base portion 35 in which an end surface facing the container body 11 on the cut-out side surface is fixed to the stem 21. It is located below the upper surface of 39.

  When the cover 32A is disposed at a position where the injection port 37 and the opening 46 do not face the container main body 11, the inner wall portion 42 </ b> A has a ceiling surface 39 with the notched side face facing the container main body 11. The press part 49 which presses is comprised. 42 A of inner wall parts are provided with the protrusion part 44 which can be inserted in the groove part 38A, when the cover 32A is fixed to the container main body 11 in a part of inner peripheral surface.

  In other words, the inner wall portion 42A includes a substantially semi-cylindrical first semi-cylindrical portion 48A and a second semi-cylindrical portion (pressing portion) 49 formed shorter than the first semi-cylindrical portion 48A.

  The first semi-cylindrical portion 48A has a main surface extending along the axial center on the inner peripheral surface thereof, and a protrusion 44 protruding toward the axial center. The first semi-cylindrical portion 48A is formed so as to be in contact with the outer peripheral surface of the base portion 35 or separated through a minute gap, and the projection portion 44 can be inserted into the groove portion 38A.

  The protrusion 44 is formed so that it can be inserted into the groove 38 </ b> A when the cover 32 </ b> A is fixed to the container body 11 so that the opening 46 and the injection port 37 of the operation portion 31 </ b> A face each other. The protrusion 44 is formed to a thickness having a minute gap with the groove 38A when inserted into the groove 38A. When the protrusion 44 is fixed to the container main body 11 so that the cover 32A is positioned so that the opening 46 and the injection port 37 of the operation portion 31A face each other, the end portion of the protrusion 44 is minute with the outer peripheral surface of the base portion 35. Opposite each other.

  The protrusion 44 is formed in a square plate shape, for example. The protrusion 44 is formed so that its thickness is slightly shorter than the width of the groove 38A. Further, the protruding portion 44 has a protruding length of the first half when the cover 32A is fixed to the container body 11 so that the opening 46 and the injection port 37 of the operation portion 31A face each other. The distance between the inner peripheral surface of the cylindrical portion 48A and the outer peripheral surface of the base portion 35 is slightly shorter. The groove 38A of the base 35 and the protrusion 44 of the first semi-cylindrical part 48A are inserted into the groove 38A so that the opposing surface (sliding surface) facing the protrusion 44 of the groove 38A is inserted when the operation part 31A is moved. It is a guide part that guides the operation part 31 </ b> A in the moving direction by sliding with the protruding part 44.

  The ceiling portion 43 is formed integrally with the outer wall portion 41 and the inner wall portion 42A, and closes between the outer wall portion 41 and the inner wall portion 42A. The ceiling part 43 forms a hollow part 51 lower than the other part by continuing the part formed lower than the ceiling surface 39 of the operation part 31A fixed to the stem 21 of the outer wall part 41 and the inner wall part 42A. To do.

  In the aerosol container 1A configured in this manner, the shaft centers of the base portion 35 and the fixed portion 36 of the operation portion 31A are decentered, and the shaft centers of the outer wall portion 41 and the inner wall portion 42A of the cover 32A are decentered. The base 35 is located in the inner wall 42A. Thereby, the operation part 31A can move along the inner wall part 42A, and when the user operates the operation part 31A, the opening / closing means 12 can be opened and the main agent can be injected.

  When discharging the propellant remaining in the container body 11, the cover 32 </ b> A is rotated with respect to the operation part 31 </ b> A so that the opening 46 and the injection port 37 are arranged to face each other. Secure to. As a result, the second semi-cylindrical portion 49 of the cover 32A has its end surface 49a interfering with the operation portion 31A and presses the ceiling surface 39 to move the stem 21, thereby opening and closing the opening-and-closing means 12 and easily opening the container. The propellant remaining in the main body 11 can be discharged.

  In addition, the aerosol container 1A has a groove portion 38A on the outer peripheral surface of the base portion 35, and a protrusion portion 44 that can move with respect to the groove portion 38A on the inner wall portion 42A of the cover 32A, whereby the groove portion 38A and the protrusion portion 44 are provided. Can guide the operation unit 31A in the moving direction.

  Specifically, the protrusion 44 is inserted into the groove 38A when the cover 32A is fixed to the container body 11 so that the opening 46 and the injection port 37 of the operation portion 31A face each other. Therefore, the operation portion 31A moves while the groove portion 38A is guided by the projection portion 44 during the movement.

  Further, the protrusion 44 is fixed to the container body 11 such that the cover 32A is positioned so that the opening 46 and the injection port 37 of the operation portion 31A face each other. Close to and opposite. For this reason, the operating portion 31 </ b> A moves while the outer peripheral surface of the base portion 35 is guided by the end portion of the protruding portion 44 during the movement.

  The groove portion 38A and the projection portion 44 support the force in the direction in which the operation portion 31A is inclined by abutting when the force in the inclination direction is applied to the operation portion 31A. Accordingly, the groove 38A and the protrusion 44 prevent the operation portion 31A from being inclined, and guide the operation portion 31A in the moving direction of the stem 21. Thereby, the aerosol container 1A prevents the operation part 31A from being inclined and moved when the operation part 31A is pressed by the user or the cover 32A, similarly to the aerosol container 1 described above, and the operation part 31A. The operability is improved and the propellant discharge is improved.

  As described above, according to the aerosol container 1A according to the second embodiment of the present invention, the remaining propellant can be easily discharged with a simple configuration.

(Third embodiment)
Hereinafter, the configuration of an aerosol container 1B according to a third embodiment of the present invention will be described with reference to FIGS.

  10 is a cross-sectional view showing a configuration of an aerosol container 1B according to a third embodiment of the present invention, FIG. 11 is a plan view showing a configuration of the aerosol container 1B, and FIG. 12 is a configuration of an injection member 6B used in the aerosol container 1B. 13 is a perspective view showing the structure of the injection member 6B from below, FIG. 14 is a structure of the aerosol container 1B, and is a cross-sectional view showing the structure when discharging the propellant, and FIG. 15 is an aerosol. It is a top view which is a structure of the container 1B and shows the structure at the time of discharge of a propellant.

  Note that, in the configuration of the aerosol container 1B according to the third embodiment, the same reference numerals are given to the same configurations as those of the aerosol container 1 according to the first embodiment and the aerosol container 1A according to the second embodiment. Detailed description thereof will be omitted.

  As shown in FIGS. 10 to 15, the aerosol container 1 </ b> B includes a container part 5 and an injection member 6 </ b> B. The aerosol container 1B is formed so that the main agent and the propellant are enclosed in the container part 5 and the main agent can be injected by the propellant.

  Such an aerosol container 1B is used, for example, for cosmetics, household products, pharmaceuticals, paint products, insecticide products, and the like, similar to the above-described aerosol containers 1 and 1A.

  The ejection member 6B includes an operation unit 31B fixed to the stem 21 and a cover 32B fixed to the lid body 16 that covers the periphery of the operation unit 31B and guides the movement of the operation unit 31B.

  The operation part 31B is provided with a bottomed pentagonal cylindrical base part 35B, a protruding part provided from the inner surface of the base part 35B, and a fixing part 36 fixed to the stem 21 by fitting with the stem 21, and a fixing part 36 and an injection port 37 that constitutes a flow path portion of the main agent that continues from the inside of 36 to the outer surface of the base portion 35B. The operation unit 31B is an actuator that moves the stem 21 by being pressed. The operation unit 31B is a resin molded product formed of a resin material.

  The base portion 35B includes a ceiling surface 39B that extends in the direction orthogonal to the axial direction at the end thereof. The ceiling surface 39B is formed in a pentagonal shape when viewed from above, and is formed so as to be pressed by the user.

  The fixed portion 36 extends from the ceiling surface 39B to the inside of the base portion 35B along the axial direction of the central axis of the base portion 35B. The axis of the fixing portion 36 is provided integrally with the base portion 35B so as to be concentric with the axis of the base portion 35B.

  The injection port 37 is an outer surface of the base portion 35B and is provided at one corner (ridge). The injection port 37 includes a third opening 37a and a truncated cone-shaped recess 37b provided on the outer surface of the base 35B where the third opening 37a opens at the center.

  The cover 32B has a cylindrical wall portion in which the operation portion 31B can be inserted at the center thereof, the axial centers of which are concentrically positioned, and a pentagonal cylindrical wall disposed inside the wall portion. The part is formed by being continuous at one end side. The cover 32B has a cylindrical outer wall portion 41B and a pentagonal cylindrical inner wall formed slightly larger in diameter than the base portion 35B in which a circumscribed circle of an object that can pass through the end portion has a smaller diameter than the outer wall portion 41B. 42B and the ceiling part 43B which continues the outer wall part 41B and the inner wall part 42B are provided.

  The cover 32B is closed between the outer wall portion 41B and the inner wall portion 42B on one end side by a ceiling portion 43B. In addition, the inner wall part 42B opens in the one end side of the cover 32B. Further, the outer wall portion 41B and the inner wall portion 42B are opened on the other end side of the cover 32B. The cover 32B is a resin molded product formed of a resin material.

  One end of the outer wall portion 41B is continuously formed by the inner wall portion 42B and the ceiling portion 43B. The outer wall portion 41 </ b> B is formed such that, when fixed to the container body 11, its axis is located concentrically with the axis of the base portion 35 </ b> B, the axis of the fixing portion 36, and the axis of the stem 21. The The outer wall portion 41 </ b> B includes a fitting portion 45 whose inner peripheral surface at the other end is fitted to the lid body 16.

  The outer wall portion 41 </ b> B has an opening 46 that is formed on a part of the outer peripheral surface of the outer wall portion 41 </ b> B and has a diameter larger than that of the injection port 37. The outer wall 41 </ b> B is formed such that the side facing the side where the opening 46 is provided is lower than the ceiling surface 39 </ b> B of the operation unit 31 </ b> B fixed to the stem 21.

  One end of the inner wall portion 42B is continuous with the outer wall portion 41B via the ceiling portion 43B. The inner wall portion 42B is arranged such that its axis is concentric with the axis of the outer wall 41B. The inner wall portion 42B is formed with one end opened. The inner wall part 42B has the same height as that of the opposite outer wall part 41B on the side opposite to the side where the opening part 46 of the outer wall part 41B is provided, that is, the operation part 31B fixed to the stem 21. It is formed lower than the ceiling surface 39B.

  The inner wall portion 42B is formed in a pentagonal shape when viewed from above, and is adjacent to the base portion 35B on a part thereof, specifically, on the side opposite to the side where the opening portion 46 of the outer wall portion 41B is provided. An escape portion 47 is formed in which one of the ridges of the matching side surfaces can be arranged.

  The outer surface of the base portion 35B and the inner surface of the inner wall portion 42B, and the outer surface of the base portion 35B and the escape portion 47 of the inner wall portion 42B constitute a guide portion that guides the movement of the operation portion 31B.

  The other end of the inner wall portion 42B is formed at a different height. The inner wall portion 42B is a position where the injection port 37 and the opening 46 do not face a part of the other end, the ridge portion on one side surface of the operation portion 31B is positioned at the escape portion 47, and the cover 32B is the container body. 11 is provided with a pressing portion 49B that presses the ceiling surface 39B.

  The pressing portion 49B has a position where the end surface 49Ba interferes with the ceiling surface 39B of the base portion 35B, in other words, a position where the ridge portion on the side surface of the base portion 35B and the ridge portion on the side surface of the inner wall portion 42B are displaced. When fixed to the container body 11, the ceiling surface 39B can be pressed by the end surface 49Ba, similarly to the second semi-cylindrical portion 49 described above. Further, since the pressing portion 49B is formed in a pentagonal cylindrical shape of the inner wall portion 42B, the pressing portion 49B is formed on a plurality of side portions, for example, two side portions among the five side portions in the bottom view of the inner wall portion 42B. .

  The escape portion 47 is formed so that a ridge portion of the base portion 35B provided with, for example, the injection port 37 can be disposed when the outer wall portion is fixed to the container body at a position where the base portion 35B and the pressing portion 49B interfere with each other. ing.

  The ceiling portion 43B is integrally formed with the outer wall portion 41B and the inner wall portion 42B, and closes between the outer wall portion 41B and the inner wall portion 42B. The ceiling part 43B forms a hollow part 51 lower than the other part by continuing the part formed lower than the ceiling surface 39B of the operation part 31B fixed to the stem 21 of the outer wall part 41B and the inner wall part 42B. To do.

  In the aerosol container 1 </ b> B using the injection member 6 </ b> B configured as described above, the fixing portion 36 is fitted to the stem 21, and the operation portion 31 </ b> B is fixed to the container portion 5. Next, the cover 32 </ b> B is positioned so that the injection port 37 and the opening 46 face each other, and the fitting portion 45 is fitted to the winding fastening portion 19 to fix the cover 32 </ b> B to the lid body 16.

  Thereby, the injection member 6B is fixed to the container part 5 in the state which can use the aerosol container 1B. As the use of the aerosol container 1B, when the main agent is to be injected, the user presses the operation unit 31B. When the operating portion 31B is pressed, the stem 21 moves toward the inside of the container body 11, and the opening 21 is opened by separating the hole 21a of the stem 21 from the stem gasket. By opening the opening / closing means 12, a flow path of the main agent and the propellant is formed from the tube to the injection port 37.

  When the opening / closing means 12 is opened and closed, the mixed phase of the main agent and the propellant in the container body 11 moves from the tube to the injection port 37 due to the pressure of the vapor phase of the propellant, and passes through the opening 46 from the injection port 37. Is injected.

  Moreover, the aerosol container 1B using the injection member 6B removes the cover 32B from the container main body 11 when discharging the remaining propellant. Next, in a state where the operation portion 31B is fixed to the stem 21, the cover 32B is rotated approximately 180 degrees so that the ridge portion provided with the injection port 37 of the base portion 35B and the escape portion 47 of the cover 32B face each other. The cover 32B is disposed.

  In this state, the fitting portion 45 is fitted to the winding fastening portion 19, and the cover 32 </ b> B is fixed to the lid body 16. Thereby, in the aerosol container 1B, the ceiling surface 39B of the base portion 35B is pressed by the end surface 49Ba of the pressing portion 49B of the cover 32B, the stem 21 moves to the inside of the container body 11, and the opening / closing means 12 is opened. As a result, the propellant remaining in the container body 11 is ejected from the ejection port 37.

  Note that the operation of the base portion 35B by the cover 32B is maintained while the cover 32B is fixed to the container main body 11, so that the cover 32B remains in the container main body 11 by being fixed to the container main body 11. All propellant is discharged. As described above, the cover 32B is fixed to the container main body 11 in a state where the cover 32B is shifted from the position during normal use in the direction of rotation about its axis, for example, approximately 180 degrees. Thus, the propellant is discharged.

  According to the aerosol container 1B configured as described above, the operation portion 31B has a base portion 35B of the operation portion 31B having a pentagonal cylindrical shape, an inner wall portion 42B of the cover 32B having a pentagonal cylindrical shape, and the cover 32B rotating. And it can be set as the structure which arrange | positions the base 35B in the inside. With this configuration, during normal use, the base portion 35B is positioned in the inner wall portion 42B, so that the operation portion 31B can be moved along the inner wall portion 42B, and the user operates the operation portion 31B. The opening / closing means 12 is opened, and the main agent can be injected.

  When discharging the propellant remaining in the container body 11, the cover 32 </ b> B is rotated with respect to the operation part 31 </ b> B so that the opening 46 and the injection port 37 are arranged to face each other. Secure to. Accordingly, the pressing portion 49B of the cover 32B moves the stem 21 by the end surface 49Ba interfering with the operation portion 31B and pressing the ceiling surface 39B. As a result, the opening / closing means 12 is opened, and the propellant remaining in the container body 11 can be easily discharged. Moreover, when arrange | positioning so that the opening part 46 and the injection port 37 may become a position which opposes, it is only necessary to arrange the relief part 47 of the cover 32B in the ridge part in which the injection port 37 was provided, Placement is easy.

  Further, in the aerosol container 1B, since the outer surface of the base portion 35B and the inner surface of the inner wall portion 42B are flat, when the operation portion 31B is pressed by the user or the cover 32B, the operation portion 31B is inclined and moved. Can be prevented. That is, the outer surface of the base portion 35B and the inner surface of the inner wall portion 42B constitute a guide portion that guides the moving direction of the operation portion 31B, and the force in the direction in which the operation portion 31B is inclined is supported by the contact surfaces. Is possible.

  Further, the aerosol container 1B has a base portion 35B of the operation portion 31B and an inner wall portion 42B of the cover 32B in a concentric pentagonal cylindrical shape, and a relief portion in which the ridge portion at the position of the base portion 35B can be positioned on the inner wall portion 42B. 47 may be a simple configuration. For this reason, the injection member 6B does not increase the manufacturing cost. Therefore, the aerosol container 1B does not increase the manufacturing cost.

  Moreover, the aerosol container 1B can make the area which presses the operation part 31B as large as possible by making the press part 49B into several side parts, for example, two side parts among the inner wall parts 42B of a pentagonal cylinder shape. It becomes possible, and it becomes possible to disperse the pressing force. As a result, it is possible to disperse the force that presses the operation portion 31B by the cover 32B, and to prevent the force from being concentrated on a part of the operation portion 31B.

  As described above, according to the aerosol container 1B using the injection member 6B according to the third embodiment of the present invention, the remaining propellant can be easily discharged with a simple configuration.

(Fourth embodiment)
The configuration of an aerosol container 1C according to the fourth embodiment of the present invention will be described below with reference to FIG.

  FIG. 16 is a plan view showing a configuration of an aerosol container 1C according to the fourth embodiment of the present invention.

  Note that, in the configuration of the aerosol container 1C according to the fourth embodiment, the same reference numerals are assigned to the same configurations as those of the aerosol container 1 according to the first embodiment to the aerosol container 1B according to the third embodiment. Detailed description thereof will be omitted.

  As shown in FIG. 16, the aerosol container 1C includes a container part 5 and an injection member 6C. The aerosol container 1 </ b> C is formed so that the main agent and the propellant are enclosed in the container part 5 and the main agent can be injected by the propellant.

  The aerosol container 1C is used for, for example, cosmetics, household products, pharmaceuticals, paint products, insecticide products, and the like in the same manner as the aerosol containers 1, 1A, 1B described above.

  6 C of injection members are provided with the operation part 31C fixed to the stem 21, and the cover 32C fixed to the cover body 16 which covers the circumference | surroundings of the operation part 31C and guides the movement of the operation part 31C.

  The operation portion 31C is provided with a bottomed cylindrical base portion 35C and a base portion 35C protruding from the inner surface, and by being fitted to the stem 21, the fixing portion 36 fixed to the stem 21 and the inside of the fixing portion 36. And an injection port 37 that constitutes a flow path portion of the main agent that continues to the outer surface of the base portion 35C. The operation unit 31C is an actuator that moves the stem 21 by being pressed. The operation unit 31C is a resin molded product formed of a resin material.

  The operation portion 31 </ b> C is formed in an asymmetric manner with respect to a straight line that is orthogonal to a straight line that continuously connects the axis of the fixed portion 36 and the injection port 37, and passes through the axial center of the fixed portion 36. The base portion 35C is formed in, for example, a heart-shaped cylindrical shape, and includes a ceiling surface 39C that extends in a direction orthogonal to the axial direction at the end portion thereof. The ceiling surface 39C is formed, for example, in a heart shape when viewed from above, and is formed so as to be pressed by the user.

  The fixed portion 36 extends from the ceiling surface 39C to the inside of the base portion 35C along the axial direction of the central axis of the base portion 35C. The fixed portion 36 is provided integrally with the base portion 35C so that the axial center thereof is concentric with the axial center of the base portion 35C.

  The cover 32C has a cylindrical wall portion in which the operation portion 31C can be inserted in the center thereof, the axial centers of which are concentrically positioned, and a heart-shaped cylindrical shape disposed inside the wall portion. The wall portion is formed by being continuous at one end side. The cover 32C includes a cylindrical outer wall portion 41C, a heart-shaped cylindrical inner wall portion 42C formed slightly larger than the base portion 35C, and a ceiling portion 43C that continues the outer wall portion 41C and the inner wall portion 42C. ing.

  The cover 32C is closed between the outer wall portion 41C and the inner wall portion 42C on one end side by a ceiling portion 43C. Note that the inner wall portion 42C opens at one end side of the cover 32C. Further, the outer wall portion 41C and the inner wall portion 42C are opened on the other end side of the cover 32C. The cover 32C is a resin molded product made of a resin material.

  One end of the outer wall portion 41C is continuously formed by the inner wall portion 42C and the ceiling portion 43C. The outer wall portion 41 </ b> C is formed such that, when fixed to the container body 11, its axis is located concentrically with the axis of the base portion 35 </ b> C, the axis of the fixing portion 36, and the axis of the stem 21. The The outer wall portion 41 </ b> C includes a fitting portion 45 whose inner peripheral surface at the other end is fitted to the lid body 16.

  The outer wall portion 41 </ b> C has an opening 46 that is formed on a part of the outer peripheral surface of the outer wall 41 </ b> C and has a diameter larger than that of the injection port 37. The outer wall portion 41 </ b> C is formed such that the side facing the side where the opening 46 is provided is lower than the ceiling surface 39 </ b> C of the operation portion 31 </ b> C fixed to the stem 21.

  One end of the inner wall portion 42C continues to the outer wall portion 41C via the ceiling portion 43C. The inner wall portion 42C is arranged such that its axis is concentric with the axis of the outer wall 41C. One end of the inner wall portion 42C is opened. The inner wall portion 42C has the same height as that of the opposite outer wall portion 41C on the side opposite to the side where the opening 46 of the outer wall portion 41C is provided, that is, the operation portion 31C fixed to the stem 21. It is formed lower than the ceiling surface 39C.

  The inner wall portion 42C is formed to open in a heart shape when viewed from above, and a part of the inner peripheral surface thereof is formed to be slidable with the base portion 35C. The outer surface of the base portion 35C and the inner surface of the inner wall portion 42C constitute a guide portion that guides the movement of the operation portion 31B.

  The inner wall portion 42C is formed at different heights at the other ends. The inner wall portion 42C is a position where the injection port 37 and the opening 46 do not face a part of the other end, the ridge portion of one side surface of the operation portion 31C is located at the escape portion 47, and the cover 32C is the container body 11 is provided with a pressing portion 49C that presses the ceiling surface 39C.

  The pressing portion 49C has an end surface 49Ba, and the outer wall portion 41C is located at a position where the end surface 49Ba interferes with the ceiling surface 39C of the base portion 35C, in other words, at a position shifted from a position where the base portion 35C can be inserted into the inner wall portion 42C. Is fixed to the container body 11 so that the end surface 49Ba can press the ceiling surface 39C.

  The ceiling portion 43C is formed integrally with the outer wall portion 41C and the inner wall portion 42C, and closes between the outer wall portion 41C and the inner wall portion 42C. The ceiling part 43C forms a hollow part 51 lower than the other parts by continuing the part formed lower than the ceiling surface 39C of the operation part 31C fixed to the stem 21 of the outer wall part 41C and the inner wall part 42C. To do.

  In the aerosol container 1 </ b> C using the injection member 6 </ b> C configured as described above, the fixing part 36 is fitted to the stem 21, and the operation part 31 </ b> C is fixed to the container part 5. Next, the cover 32 </ b> C is positioned so that the injection port 37 and the opening 46 face each other, and the fitting portion 45 is fitted to the winding fastening portion 19, so that the cover 32 </ b> C is fixed to the lid body 16.

  Thereby, the injection member 6C is fixed to the container portion 5 in a state where the aerosol container 1C can be used. As the use of the aerosol container 1, when the main agent is to be injected, the user presses the operation unit 31 </ b> C. When the operation portion 31C is pressed, the stem 21 moves toward the inside of the container body 11, and the opening 21 is opened by separating the hole 21a of the stem 21 from the stem gasket. By opening the opening / closing means 12, a flow path of the main agent and the propellant is formed from the tube to the injection port 37.

  When the opening / closing means 12 is opened and closed, the mixed phase of the main agent and the propellant in the container body 11 moves from the tube to the injection port 37 due to the pressure of the vapor phase of the propellant, and passes through the opening 46 from the injection port 37. Is injected.

  Moreover, the aerosol container 1C using the injection member 6C removes the cover 32C from the container body 11 when discharging the remaining propellant. Next, in a state where the operation portion 31C is fixed to the stem 21, for example, as shown by a two-dot chain line in FIG. 16, the cover 32C is approximately 180 so that the ceiling surface 39C of the base portion 35C interferes with the inner wall portion 42C. The cover 32C is disposed by rotating the cover 32C.

  In this state, the fitting portion 45 is fitted to the winding fastening portion 19, and the cover 32 </ b> C is fixed to the lid body 16. Thereby, in the aerosol container 1C, the ceiling surface 39C of the base portion 35C is pressed by the end surface 49Ba of the pressing portion 49C of the cover 32C, the stem 21 moves to the inside of the container body 11, and the opening / closing means 12 is opened. As a result, the propellant remaining in the container body 11 is ejected from the ejection port 37.

  Since the operation of the base portion 35C by the cover 32C is maintained while the cover 32C is fixed to the container body 11, the cover 32C remains in the container body 11 by fixing the cover 32C to the container body 11. All propellant is discharged. As described above, the cover 32C is fixed to the container body 11 in a state where the cover 32C is shifted in the direction of rotation about its axis from the position during normal use, for example, approximately 180 degrees. Thus, the propellant is discharged.

  According to the aerosol container 1C configured as described above, similarly to the aerosol container 1B described above, the operation unit 31C is configured such that the base 35C of the operation unit 31C is orthogonal to the straight line that continues the fixing unit 36 and the injection port 37, The shape is asymmetric with respect to the straight line passing through the fixed portion 36. Further, the inner wall portion 42C can pass through the base portion 36 at a position where it is normally used, and when the cover 32C is rotated and fixed to the container body 11, the pressing portion 49C that interferes with the ceiling surface 39C of the base portion 36 is provided. It is set as the structure which has. With this configuration, during normal use, the base portion 35C is positioned in the inner wall portion 42C, so that the operation portion 31C can move along the inner wall portion 42C, and the user operates the operation portion 31C. The opening / closing means 12 is opened, and the main agent can be injected.

  When discharging the propellant remaining in the container body 11, the cover 32 </ b> C is rotated with respect to the operation part 31 </ b> C so that the opening 46 and the injection port 37 are arranged to face each other. Secure to. Thereby, the end portion 49Ba of the pressing portion 49C of the cover 32C interferes with the operation portion 31C and presses the ceiling surface 39C, thereby moving the stem 21. As a result, the opening / closing means 12 is opened, and the propellant remaining in the container body 11 can be easily discharged.

  As described above, according to the aerosol container 1C using the injection member 6C according to the fourth embodiment of the present invention, similarly to the aerosol container 1B using the injection member 6B according to the third embodiment described above, With a simple configuration, the remaining propellant can be easily discharged.

  Note that the present invention is not limited to the first to third embodiments. For example, in the above-described example, the cover 32, 32A, 32B, 32C is rotated by 180 degrees so that the opening 46 is disposed at a position facing the injection port 37 when discharging the remaining propellant. However, it is not limited to this. That is, as long as the operating portions 31, 31A, 31B, and 32C can be operated by the pressing portions 49, 49B, and 49C of the covers 32, 32A, 32B, and 32C, other rotation angles may be used.

  Similarly, in the above-described example, the operation portion 31B and the cover 32B have the base portion 35B and the inner wall portion 42B formed in a pentagonal cylindrical shape, but are not limited thereto, and when the cover 32B is rotated and fixed to the container body 11 If it can be fixed to the operation unit 31B, it can be set as appropriate.

  In the example described above, the aerosol container 1, 1 </ b> A is an extension of a straight line connecting the axis 35 of the base 35 and the fixed part 36 that are arranged eccentrically with respect to the injection port 37, and has a distance from the fixed part 36. Although the structure provided in the short side was demonstrated, it is not limited to this. For example, the aerosol containers 1 and 1A are arranged in such a manner that the injection port 37 is eccentric in order to lengthen the third opening 37a when the main agent to be injected is sprayed as much as possible without causing scattering. Further, it may be configured to be provided on the side where the distance from the fixed part 36 is long, on the extension of the straight line connecting the axis of the base part 35 and the fixed part 36.

  In the above-described example, the ceiling surface 39 is inclined with respect to the direction orthogonal to the axis of the base 35, and the ceiling surfaces 39B and 39C extend in the direction orthogonal to the axes of the bases 35B and 35C. Each of the configurations to be described has been described, but is not limited thereto. For example, the ceiling surface 39 may be configured to extend in a direction orthogonal to the axis of the base portion 35.

  In consideration of user operability, it is preferable that the ceiling surfaces 39, 39B, and 39C be inclined with respect to a direction orthogonal to the axis of the base portions 35, 35B, and 35C. In addition, for example, the ceiling surfaces 39, 39B, and 39C may have a curved shape that is recessed in the shape of the user's finger. Further, the end surfaces 49a and 49Ba of the pressing portions 49, 49B, and 49C that are in contact with the ceiling surfaces 39, 39B, and 39C have a plane direction when the plane is a plane, and the surface shape when the plane is a curved surface. It is desirable that the surface direction or the surface shape of 39, 39B, 39C is the same.

Further, in the above-described example, the aerosol container 1 includes the operation unit 31 and the cover 32, the eccentric amount of the axis of the base 35 and the axis of the fixing unit 36, and the axis of the outer wall 41 and the axis of the inner wall 42. Although the structure which forms the eccentric amount of the center was demonstrated, it is not limited to this. The aerosol container 1 can insert the base 35 into the inner wall 42, and if the position where the cover 32 is fixed to the container body 11 is changed, the base 35 can be operated by the inner wall 42. The eccentric amount of the shaft center and the shaft center of the fixed portion 36 and the amount of eccentricity of the shaft center of the outer wall portion 41 and the shaft center of the inner wall portion 42 may be different. In addition, various modifications can be made without departing from the scope of the present invention.
Hereinafter, the invention described in the scope of claims of the present application will be appended.
[1] A container main body having opening / closing means that opens and closes a flow path formed in the stem by movement of a stem that protrudes from an outer surface thereof, and encloses a main agent and a propellant for injecting the main agent therein. ,
A cylindrical fixing portion fitted to the stem, and an injection port in which the fixing portion is integrally provided on an end surface that closes one end of the stem and communicates with the flow path formed in the stem via the fixing portion. An operating portion having a base formed on the outer surface thereof;
An inner wall part into which the operation part can be inserted, an outer wall part provided integrally with the inner wall part and fixed to the container body, an opening part provided in the outer wall part and facing the injection port, and the inner wall part When the outer wall is fixed to the container body by rotating the outer wall from the position where the injection port and the opening are opposed to each other about the axis, the end surface of the base is A cover having a pressing portion for pressing in the moving direction of the stem;
An aerosol container comprising:
[2] In the operation portion, the base portion is formed in a bottomed cylindrical shape, the axis of the fixing portion is eccentric from the axis of the base portion, and the fixing portion is provided integrally with the base portion,
In the cover, the inner wall portion is formed in a cylindrical shape into which the operation portion can be inserted, the axis of the inner wall portion is eccentric from the axis of the outer wall portion, and the inner wall portion is provided integrally with the outer wall portion. The aerosol container according to [1], wherein:
[3] The inner wall portion is formed shorter than the first semi-cylindrical portion for guiding the movement of the base portion and the first semi-cylindrical portion, and the end surface thereof is formed to be able to press the end surface of the base portion. The aerosol container according to [2], further comprising: a second semi-cylindrical portion that forms a pressing portion.
[4] A guide portion that is provided on the base portion and the first semi-cylindrical portion, supports a force in a direction inclined with respect to the moving direction of the stem, and further guides the base portion in the moving direction of the stem. The aerosol container according to [3], which is characterized in that
[5] The guide section includes:
A protrusion provided on one of the base and the first semi-cylindrical portion, the surface of which has an end surface along the direction of movement of the stem;
A sliding surface provided on the other of the base and the first semi-cylindrical portion and formed to be slidable with an end surface of the protruding portion;
The aerosol container according to [4], comprising:
[6] The aerosol container according to [3], wherein the end surface of the second semi-cylindrical portion extends in the same direction as the surface direction of the end surface of the base portion.
[7] The aerosol according to [2], wherein the injection port is provided on an outer peripheral surface of the base portion and on an extension of a straight line connecting the axis of the fixed portion and the axis of the base. container.
[8] The eccentric amount of the shaft center of the fixed portion and the shaft center of the base portion is formed to be the same as the amount of eccentricity of the shaft center of the inner wall portion and the shaft center of the outer wall portion. ] The aerosol container as described in.
[9] In the operation part, the injection port is provided on an outer peripheral surface of the base part and on an extension of a straight line connecting the axis of the fixed part and the axis of the base, and the base is The aerosol container according to [1], wherein the aerosol container is formed asymmetrically with respect to a straight line passing through the axis of the fixed portion in a direction orthogonal to a straight line connecting the axis and the injection port.
[10] The base is formed in a polygonal cylindrical shape,
The cover is formed in a polygonal cylindrical shape in which the inner wall portion can be inserted into the operation portion, and the pressing portion moves the outer wall portion at a position where the ridge portion of the base portion and the ridge portion of the inner wall portion are displaced. The aerosol container according to [9], wherein when fixed to the container body, the base is pressed in the moving direction of the stem.
[11] The aerosol container according to [10], wherein the base portion and the inner wall portion are pentagonal cylindrical shapes.
[12] The inner wall portion includes a relief portion in which the ridge portion of the base portion can be arranged when the outer wall portion is fixed to the container body at a position where the base portion and the pressing portion interfere with each other. The aerosol container according to [10], wherein
[13] The aerosol container according to [10], wherein the end surface of the pressing portion extends in the same direction as the surface direction of the end surface of the base portion.
[14] The outer wall portion at a position where the ridge portion of the base portion and the ridge portion of the inner wall portion are displaced by forming a part of the inner wall portion shorter than the other portion of the inner wall portion. When the container is fixed to the container body, the end surface of the aerosol container is formed so as to be able to press the end surface of the base portion.
[15] A container having an opening / closing means for opening and closing a flow path formed in the stem by movement of a stem arranged so as to protrude from the outer surface, and enclosing therein a main agent and a propellant for injecting the main agent An aerosol container injection member comprising a main body,
A cylindrical fixing portion fitted to the stem, and an injection port in which the fixing portion is integrally provided on an end surface that closes one end of the stem and communicates with the flow path formed in the stem via the fixing portion. An operating portion having a base formed on the outer surface thereof;
An inner wall part into which the operation part can be inserted, an outer wall part provided integrally with the inner wall part and fixed to the container body, an opening part provided in the outer wall part and facing the injection port, and the inner wall part When the outer wall is fixed to the container body by rotating the outer wall from the position where the injection port and the opening are opposed to each other about the axis, the end surface of the base is A cover having a pressing portion for pressing in the moving direction of the stem;
An injection member comprising:

  DESCRIPTION OF SYMBOLS 1, 1A, 1B ... Aerosol container, 5 ... Container part, 6, 6A, 6B, 6C ... Injection member, 11 ... Container main body, 12 ... Opening / closing means, 15 ... Trunk part, 16 ... Cover body, 19 ... Winding part , 21 ... Stem, 31, 31A, 31B, 31C ... Operation part, 32, 32A, 32B, 32C ... Cover, 35 ... Base part, 35B, 35C ... Base part, 36 ... Fixing part, 37 ... Injection port, 37a ... Third Opening, 37b ... concave portion, 38 ... projection, 38a ... first end surface, 38b ... second end surface, 38A ... groove portion, 39 ..., 39B, 39C ceiling surface, 39a ... guidance display portion, 41, 41B ... outer wall portion, 42, 42A, 42B ... inner wall part, 43, 43B, 43C ... ceiling part, 44 ... projection part, 45 ... fitting part, 46 ... opening part, 47 ... groove part, 48, 48A ... first semi-cylindrical part, 48a ... Sliding surface, 49, 49B, second semi-cylindrical part (pressing part), 4 a, 49Ba ... end surface, 49b, 49Bb ... notch, 51 ... recessed portion, 51a ... guidance display unit.

Claims (5)

A container main body having an opening / closing means for opening and closing a flow path formed in the stem by movement of a stem arranged to protrude from the outer surface, and enclosing a main agent and a propellant for injecting the main agent therein;
A cylindrical fixing portion fitted to the stem, and an injection port in which the fixing portion is integrally provided on an end surface that closes one end of the stem and communicates with the flow path formed in the stem via the fixing portion. An operating portion having a base formed on the outer surface thereof;
An inner wall part into which the operation part can be inserted, an outer wall part provided integrally with the inner wall part and fixed to the container body, an opening part provided in the outer wall part and facing the injection port, and the inner wall part When the outer wall is fixed to the container body by rotating the outer wall from the position where the injection port and the opening are opposed to each other about the axis, the end surface of the base is A cover having a pressing portion for pressing in the moving direction of the stem;
A guide portion that is provided on the base portion and the inner wall portion, supports a force in a direction inclined with respect to the moving direction of the stem, and guides the base portion in the moving direction of the stem;
Equipped with a,
The operating portion has the base portion formed in a bottomed cylindrical shape, the shaft center of the fixing portion is eccentric from the shaft center of the base portion, and the fixing portion is provided integrally with the base portion,
In the cover, the inner wall portion is formed in a cylindrical shape into which the operation portion can be inserted, the axial center of the inner wall portion is eccentric from the axial center of the outer wall portion, and the inner wall portion is provided integrally with the outer wall portion,
The inner wall portion includes a first semi-cylindrical portion that guides the movement of the base portion, and the pressing portion that is formed to be shorter than the first semi-cylindrical portion and whose end surface is capable of pressing the end surface of the base portion. A second semi-cylindrical portion formed,
The guide portion is provided at a symmetrical position on the outer peripheral surface of the base portion, and a surface direction arranged on the injection port side is arranged on a side opposite to the first end surface and the injection port along the moving direction of the stem. A pair of protrusions having a second end face whose surface direction is along the direction of movement of the stem, and the first end face and the second end face of the pair of protrusions provided on the first semi-cylindrical part. A sliding surface formed slidably with one of the
Aerosol container, wherein a call. The aerosol container according to claim 1 , wherein the end surface of the second semi-cylindrical portion extends in the same direction as the surface direction of the end surface of the base portion. 2. The aerosol container according to claim 1 , wherein the injection port is provided on an outer peripheral surface of the base portion and on an extension of a straight line connecting an axis center of the fixed portion and an axis center of the base portion. The eccentric amount of the axis of the axis and the base of the fixing portion according to claim 1, characterized in that it is formed the same as the axis of eccentricity of the axis and the outer wall portion of the inner wall portion Aerosol container. It has an opening / closing means for opening and closing a flow path formed in the stem by movement of a stem arranged so as to protrude from the outer surface, and a container body that encloses a main agent and a propellant for injecting the main agent therein. An aerosol container injection member
A cylindrical fixing portion fitted to the stem, and an injection port in which the fixing portion is integrally provided on an end surface that closes one end of the stem and communicates with the flow path formed in the stem via the fixing portion. An operating portion having a base formed on the outer surface thereof;
An inner wall part into which the operation part can be inserted, an outer wall part provided integrally with the inner wall part and fixed to the container body, an opening part provided in the outer wall part and facing the injection port, and the inner wall part When the outer wall is fixed to the container body by rotating the outer wall from the position where the injection port and the opening are opposed to each other about the axis, the end surface of the base is A cover having a pressing portion for pressing in the moving direction of the stem;
A guide portion that is provided on the base portion and the inner wall portion, supports a force in a direction inclined with respect to the moving direction of the stem, and guides the base portion in the moving direction of the stem;
Equipped with a,
The operating portion has the base portion formed in a bottomed cylindrical shape, the shaft center of the fixing portion is eccentric from the shaft center of the base portion, and the fixing portion is provided integrally with the base portion,
In the cover, the inner wall portion is formed in a cylindrical shape into which the operation portion can be inserted, the axial center of the inner wall portion is eccentric from the axial center of the outer wall portion, and the inner wall portion is provided integrally with the outer wall portion,
The inner wall portion includes a first semi-cylindrical portion that guides the movement of the base portion, and the pressing portion that is formed to be shorter than the first semi-cylindrical portion and whose end surface is capable of pressing the end surface of the base portion. A second semi-cylindrical portion formed,
The guide portion is provided at a symmetrical position on the outer peripheral surface of the base portion, and a surface direction arranged on the injection port side is arranged on a side opposite to the first end surface and the injection port along the moving direction of the stem. A pair of protrusions having a second end face whose surface direction is along the direction of movement of the stem, and the first end face and the second end face of the pair of protrusions provided on the first semi-cylindrical part. A sliding surface formed slidably with one of the
An injection member characterized by that.

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