JP6895166B2 - Quantitative dispensing device - Google Patents

Description

INDUSTRIAL APPLICABILITY According to the present invention, a quantitative injection container can be configured by attaching it to a container body, and a quantitative injection device capable of accurately measuring a predetermined amount of liquid from the liquid filled in the container body and then injecting the liquid. Regarding.

Various quantitative injection containers have been proposed for measuring a predetermined amount from a liquid such as a hair restorer filled inside and enabling only the measured predetermined amount of liquid to be dispensed.

For example, Patent Document 1 below discloses the following quantitative dispensing container (see, for example, FIG. 1 and paragraphs 0012 to 0014 of the same document 1). That is, if the upright state is turned upside down, the liquid filled in the bottle 8 is allowed to flow into the space on the measuring chamber A side to fill it, and then the bottle body 8 is returned to the upright state. The liquid flows down to the bottle 8 side and is returned, and only a predetermined amount of liquid remains in the measuring chamber A and is weighed. In this state, if the operating body 5 is rotated to rotate and raise the switching body 4 and the valve body 6 to cut off the space between the bottle body 8 side and the measuring chamber A side, the switching body 4 and the valve body 6 are put into the inverted state again. , A predetermined amount of liquid in the measuring chamber A can be applied from the extraction port.

Further, Patent Document 2 discloses the following quantitative injection container (see, for example, FIGS. 1, 2 and 0014 of the same document 2). That is, by rotating the measuring liquid storage cylinder 21, the measuring liquid storage cylinder 21 is rotated and raised from the connecting cylinder 6 to which the measuring liquid storage cylinder 21 is screwed, thereby opening the upper portion of the measuring chamber forming short cylinder 9. In this state, if the liquid is allowed to flow into the space on the measuring chamber 12 side by turning the whole upside down from the upright state to the upside down state and then returned to the upright state again, the excess liquid will be on the container body 1 side. Only a predetermined amount of liquid remains in the measuring chamber 12 and is weighed. Then, in this state, the measuring liquid holding cylinder 21 is rotated in the direction opposite to the above to rotate and lower the measuring liquid storage cylinder 21, whereby the measuring chamber forming short cylinder 9 is closed by the plug 35. To do. On top of that, it is disclosed that it is used by turning it upside down again in an inverted state.

Further, Patent Document 3 discloses the following quantitative injection container (for example, FIGS. 1, 3 to 5 of the same document 3). That is, if the container body 2 is turned upside down from the upright state, the liquid filled in the container body 2 is allowed to flow into the space on the measuring chamber B side through the liquid introduction hole 7, and then the container body 2 is returned to the upright state. The excess liquid flows down to the container body 2 side and is returned, and only a predetermined amount of liquid remains in the measuring chamber B and is weighed. In this state, the movable portion E is rotated at a fixed position to rotate the rotating cylinder 17 together to close the liquid introduction hole 7, and then the liquid introduction hole 7 is turned upside down again to obtain a predetermined amount in the measuring chamber A. It is disclosed that the liquid can be applied from the extraction port.

Utility Model Registration No. 2588167 Gazette Japanese Patent No. 4141635 Japanese Patent No. 4067822

However, the fixed-quantity dispensing device constituting the conventional fixed-quantity dispensing container has various inconveniences in addition to the time and effort required for the operation to be performed by the user before weighing and pouring the measured liquid.

That is, in order to use the liquid in the inverted state by pouring out the liquid, the liquid is changed from the upright state to the inverted state again in order to measure a predetermined amount of the liquid to be used at one time. , It is necessary to return to the upright state. Therefore, the weighing operation is troublesome. Moreover, if the operation of returning to the upright state is performed in a hurry, the liquid level contained in the measuring chamber in the worn state may shake and flow down. In particular, since the liquid is stored in the measuring chamber with a free liquid level, it must be handled with the utmost care until the operation for shutting off the space on the measuring chamber side from the container body side is completed. Similarly, the liquid in the measuring chamber tends to flow down. Therefore, there is an inconvenience that there is uncertainty about the accuracy of the measuring function itself of measuring a predetermined amount of liquid.

Further, even if the space on the container body side filled with the liquid and the space on the measuring chamber side are blocked from each other after weighing, the blocking method is a plug from one space side to the other space side. If the method of closing the opening by means such as fitting the liquid into the measuring chamber is used, the internal pressure fluctuates in the space on the measuring chamber side, and the liquid leaks or the liquid vigorously pops out during use due to the internal pressure fluctuation. It may cause inconvenience such as. In particular, if the liquid is volatile, it volatilizes from the free liquid surface of the liquid contained in the measuring chamber to the space on the measuring chamber side, causing a larger internal pressure fluctuation, and the degree of the above-mentioned inconvenience increases. It will end up.

In order to release such an internal pressure fluctuation, in Patent Document 3, a ventilation path 11 is formed in a rod plug 6 attached to the mouth neck 3 of the nozzle, and a state shift between an upright state and an inverted state is performed. It has been proposed that a valve body 12 for communicating inside and outside is sometimes fitted in the air passage 11 (see FIG. 1 and paragraph 0021 of Patent Document 3). However, not only the number of parts is increased, but also the structure is complicated, which may lead to malfunction.

Further, during storage when not in use, it is required to improve the sealing property by preventing the liquid from flowing into the space on the measuring chamber side from the container main body side regardless of the state such as lying down.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a quantitative injection device capable of eliminating the above-mentioned inconveniences. That is, quantitative injection that enables accurate measurement and easy and reliable use while eliminating the trouble of measurement and injection of liquid after measurement and maintaining a reliable storage state without risk of liquid leakage. The purpose is to provide a discharge device.

In the present invention, the following technical measures have been taken for a quantitative injection device used by being attached to a container body for containing a liquid. That is, a mouth member having a tubular body portion having a communication hole formed at the tip portion, which can be attached to the mouth portion of the container body and communicates with the inside of the container body when attached, and the mouth member. A slider that is screwed into the mouth member while being externally attached to the tubular body and can advance and retreat in the direction of approaching and separating from the communication hole by rotational operation, a nozzle hole that can be opened and closed at the tip, and this nozzle. It has a measuring chamber formed in a space facing the hole, and is provided with a nozzle cover that is rotatably connected to the mouth member at a fixed position. Then, as the slider, a rotational force is transmissively engaged with the nozzle cover, and the rotational force is transmitted from the nozzle cover to rotate the nozzle cover, thereby shielding the communication hole and closing the retracting position. The space facing the nozzle hole at the retreat position is divided into a predetermined volume to be weighed and partitioned so as to be able to move forward and backward between the and the advance position where the communication hole is opened. (Claim 1).

In the case of the present invention, when the present quantitative injection device is attached to the inside of the container body filled with the liquid, it becomes a quantitative injection container. Then, when the nozzle cover is rotated in a predetermined rotation direction, the rotation operation force is transmitted from the nozzle cover to the slider, and the slider is rotated. By the rotational operation of this slider, the slider moves from the backward position to the forward position, and the communication hole is opened. As a result, the measuring chamber and the inside of the container body are in communication with each other via the inside of the mouth member. Therefore, when the entire container is converted from the upright state to the inverted state, the liquid in the container body flows into the measuring chamber through the communication hole and fills the container body. Next, if the nozzle cover is rotated in the direction opposite to the rotation direction, the slider is also rotated in the reverse rotation direction in synchronization, the slider returns from the forward position to the backward position, and the communication hole is converted to the closed state. Will be done. As a result, a predetermined amount of liquid corresponding to the volume of the measuring chamber is separated and stored in the measuring chamber. Therefore, if the nozzle hole is opened and switched, the predetermined amount of liquid measured in a filled state in the measuring chamber can be poured out. It will be possible. According to the above invention, the weighing operation is completed only by rotating the head in the inverted state after the rotation operation in the upright state and rotating the machine in the reverse rotation direction while the head is in the inverted state, and the pouring operation can be performed as it is. .. For this reason, as in the past, after changing from an upright state to an inverted state, returning from an inverted state to an upright state for weighing, and then changing from an upright state to an inverted state and performing a pouring operation twice. Labor can be saved. Then, even if the container is returned to the upright state after use, the communication holes have already been returned to the closed state, so that the liquid in the container body can be maintained in a sealed state and stored as it is.

In the quantitative injection device of the present invention, the communication hole of the tubular body portion is opened on the tip surface orthogonal to the proximity separation direction, while the facing surface facing the tip surface of the cylinder portion in the proximity separation direction as a slider. And, in the retracted position, the facing surface may shield the tip surface of the tubular body portion to close the communication hole (claim 2). By doing so, when the slider is in the retracted position, the communication hole is closed by the facing surface of the slider shielding the tip surface of the tubular portion in which the communication hole is formed. That is, the communication holes are closed by the contact between the facing surfaces (the tip surface of the tubular body and the facing surface of the slider) orthogonal to the proximity and separation directions, which are the moving directions of the slider. Therefore, the communication holes can be closed more reliably, and the sealing property can be improved.

Further, in this case, the slider is formed in a tubular shape having a tip portion, and the facing surface is formed by the bottom surface in the tip portion, and the portion that does not overlap with the communication hole when projected in the proximity separation direction with respect to the bottom surface. It is possible to form a through hole in the (claim 3). By doing so, when the slider is in the retracted position and its facing surface shields the tip surface of the tubular body portion and the communication hole is closed, the through hole on the slider side is reliably blocked from the communication hole. It is possible to make it in a state of being. On the other hand, when the slider is in the forward position and the facing surface is separated from the tip surface of the tubular body to open the communication hole, the through hole on the slider side is converted into a state in which the communication hole is reliably communicated with the communication hole. Becomes possible.

Further, in the quantitative injection device of the present invention, the amount of rotational movement of the slider is set between the retracted position and the forward position in either the nozzle cover and the mouth member or between the slider and the mouth member. It is possible to provide a stopper for regulating the amount of advancing / retreating movement between them (claim 4). By doing so, the user does not have to adjust the rotation operation amount of the nozzle cover by himself, and the slider can be reliably moved forward and backward to each position of the backward position and the forward position simply by rotating the nozzle cover to the position regulated by the stopper. It becomes possible to make it.

In the quantitative injection device of the present invention, a valve body that closes the nozzle hole from the measuring chamber side and a valve that protrudes from one or both of the slider and the valve body and abuts when the slider is in the forward position. A convex portion for preventing the body from retreating toward the measuring chamber side can be provided (claim 5). By doing so, when the slider is rotated and moved to the forward position for weighing, the communication hole is opened and the measuring chamber side and the mouth member and the container body side are in a communicating state with each other. At the same time, the convex portion abuts on the valve body, and the convex portion prevents the valve body from moving to the retracting side. Therefore, the nozzle hole is surely locked in the closed state, and even if the valve body is touched during work such as converting the container body to the inverted state, the valve body retracts. However, this makes it possible to perform the conversion work to the inverted state while surely avoiding the occurrence of inconvenience such as liquid leakage from the measuring chamber.

Further, in the quantitative injection device of the present invention, a cap screwed into the mouth member so as to cover the nozzle cover is provided, and the cap is engaged with the nozzle cover so that the rotational force can be transmitted and is attached to the mouth member. While the slider is engaged with the nozzle cover and slider so that the slider is set to the retracted position in the closed cap state where it is screwed in and covers the nozzle cover, the slider is repositioned to the forward position by the rotation operation from the closed cap state to the open direction. It is possible to associate the rotation operation amount with the advance / retreat movement amount of the slider so as to be performed (claim 6). By doing so, if the cap is rotated in the opening direction from the closed cap state, the rotational force is transmitted to the slider via the nozzle cover, and the slider can be repositioned to the forward position. On the contrary, if the cap is put on the nozzle cover and rotated in the opposite direction, the cap reaches the closed cap state in which the nozzle cover is covered, and the slider can be repositioned to the retracted position. From the above, if the slider is in the closed cap state, the slider is positioned in the retracted position and the communication hole is closed, so that the storage state can be reliably maintained without liquid leakage, and the slider can be rotated in the opening direction from the closed cap state. For example, if the slider is repositioned to the forward position and the communication hole is opened, subsequent weighing is possible, and if the slider is covered with a cap to close the cap after the injection is used, the slider returns to the backward position and the communication hole is opened. Can be closed.

As described above, according to the quantitative injection device of the present invention, if the quantitative injection device of the present invention is attached to the inside of the container body filled with the liquid, the quantitative injection container is immediately configured. be able to. Then, when the nozzle cover is rotated in a predetermined rotation direction, the rotation operation force is transmitted from the nozzle cover to the slider, and the slider can be rotationally operated. By this rotational operation, the slider is moved from the backward position to the forward position. The communication hole can be opened. As a result, the measuring chamber and the inside of the container body can be communicated with each other via the inside of the mouth member. Therefore, when the entire container is converted from the upright state to the inverted state, the liquid in the container body flows into the measuring chamber through the communication hole to fill it, and then the nozzle cover is rotated in the direction opposite to the rotation direction. As a result, the slider is synchronized and rotated in the reverse rotation direction. As a result, the slider returns from the forward position to the backward position, the communication hole is converted to the closed state, and a predetermined amount of liquid corresponding to the volume of the measuring chamber can be separated and accommodated in the measuring chamber. Then, if the nozzle holes are opened and switched, a predetermined amount of liquid measured in a filled state can be poured out into the measuring chamber. According to the above invention, the weighing operation can be completed only by turning the machine into an inverted state after the rotation operation and rotating the machine in the reverse rotation direction while keeping the inverted state, and the pouring operation can be performed as it is. For this reason, as in the past, after changing from an upright state to an inverted state, returning from an inverted state to an upright state for weighing, and then changing from an upright state to an inverted state and performing a pouring operation twice. Labor can be saved. In addition, even if the container is returned to the upright state after use, the communication holes have already been returned to the closed state, so that the liquid in the container body can be maintained in a sealed state, and even if the container is turned over, the liquid leaks. You will be able to store it securely without having to do it.

It is a vertical cross-sectional view of the quantitative injection container equipped with the quantitative injection apparatus which concerns on embodiment of this invention. It is a partially enlarged view in the state where the cap is omitted from FIG. It is an enlarged perspective view of a mouth member. It is an enlarged perspective view of a slider. It is an enlarged perspective view of a nozzle cover. It is an enlarged perspective view of a spring valve. FIG. 7A is an enlarged cross-sectional view taken along the line AA of FIG. 1, and FIG. 7B is an enlarged cross-sectional view taken along the line BB of FIG. It is sectional drawing explanatory drawing for demonstrating the use procedure. It is sectional drawing for demonstrating the use procedure following the use procedure of FIG. It is an exploded perspective view of the fixed quantity pouring container of FIG. FIG. 11A is a partial cross-sectional view of a quantitative injection container equipped with a quantitative injection device different from that of FIG. 1, and FIG. 11B is equipped with a quantitative injection device different from that of FIG. 11A. It is a partial cross-sectional view of a fixed quantity pouring container.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1 and 2 show a quantitative injection container equipped with the quantitative injection device 1 according to the embodiment of the present invention. When not in use, the quantitative injection container is stored with a liquid (for example, a liquid such as a hair restorer) filled inside, and when in use, only a certain amount of liquid measured from the internal liquid is injected (applied). I tried to get it. Then, this fixed-quantity pouring container can be weighed and dispensed as it is by turning it upside down only once from the upright state. As a result, as in the past, it is possible to perform the weighing by changing from the upright state to the inverted state, and then returning from the inverted state to the upright state, and then turning it into the inverted state again before pouring. It enables easy weighing and pouring without any special operation during use. There is no limit to the liquid that can be filled inside, and even if it is a highly volatile liquid such as a hair restorer, it will not cause any inconvenience and will maintain a reliable storage state without the risk of liquid leakage. Accurate weighing and easy and reliable pouring can be achieved. In the following description, the state shown in FIG. 1 is referred to as an upright state, and the state in which the top and bottom are reversed is referred to as an inverted state. The axis X is the central axis of the quantitative injection device, and the axis X direction is the proximity separation direction in which the slider 4 described later advances and retreats. In the upright state, the axis X extends in the vertical direction, and among the "up and down" movements in the axis X direction, "ascending" means moving upward along the axis X as "descending". Similarly means to move downward.

The fixed-quantity pouring container includes a container body 2 filled with liquid Q, a mouth member 3 that is coupled to the mouth 21 of the container body 2 so as not to be relatively movable in the vertical direction (axis X direction), and a mouth portion. A tubular slider 4 that is screwed up and down (advanced and retracted in the axis X direction) to the member 3 and a slider that is rotatably connected to the mouth member 3 in a fixed position in the vertical direction. A nozzle cover 5 that is engaged with 4 so as to be able to transmit a rotational force for raising and lowering, and a nozzle that is mounted in the upper part of the nozzle cover 5 and is used to open and close the nozzle hole 50. It is provided with a spring valve 6 that keeps the hole 50 in a closed state, and a cap 7 that is detachably connected to the mouth member 3 by screwing and is related to the nozzle cover 5 so that the rotational operation force can be transmitted. It is composed of. In the present embodiment, the quantitative injection device 1 is composed of the mouth member 3, the slider 4, the nozzle cover 5, the spring valve 6 and the cap 7.

As will be clear from the detailed description below, the quantitative injection device 1 has a shaft in which the slider 4 is sealed by the mouth member 3 on the inner peripheral side and by the nozzle cover 5 on the outer peripheral side. By moving up and down along X, communication / non-communication between the inside of the mouth member 3 (the space inside the container body 2) and the inside of the upper part of the nozzle cover 5 (the space inside the measuring chamber 54 described later) is established. It is configured so that it can be switched to each state. In addition, the elevating operation of the slider 4 transmits the rotational operation force on the cap 7 to the slider 4 via the nozzle cover 5, or even without the cap 7, the rotational operation force on the nozzle cover 5 is transmitted to the slider 4. It is configured to be possible by communicating. All of the above components can be formed by synthetic resin molding, and the container body 2 can also be formed by a glass bottle or the like.

The mouth member 3 (see also FIG. 3) extends downward from the annular plate portion 30 capable of contacting the open end surface of the mouth portion 21 of the container body 2 and the annular plate portion 30 coaxially with the axis X, respectively. The middle foot cylinder 31, the lower inner cylinder 32, and the lower outer cylinder 33, and similarly, the upper inner cylinder 34 and the upper outer cylinder 35 extending upward coaxially with the axis X from the annular plate portion 30 are integrally provided. ing.

The midfoot cylinder 31 is press-fitted into the mouth portion 21 from above, and when the annular plate portion 30 is in contact with the open end surface of the mouth portion 21, the outer peripheral surface thereof is in a pressure contact state with the inner peripheral surface of the mouth portion 21. It can be assembled with. As a result, the joint surface between the container body 2 and the mouth member 3 is sealed. Further, the lower inner cylinder 32 is fitted to the mouth portion 21 so as to be coupled to the container body 2 in a state where it cannot move relative to the vertical direction. This relative immovable coupling is performed by undercut fitting between the inner peripheral surface of the lower inner cylinder 32 and the outer peripheral surface of the mouth portion 21. That is, the lip portion 321 projecting from the lower end portion of the lower inner cylinder 32 to the inner peripheral side makes the convex strip 211 projecting from the outer peripheral surface of the mouth portion 21 toward the outer peripheral side to form a downward stepped surface to have elasticity of the material. It is connected by overcoming from above and engaging with each other.

Further, a screw groove 331 having a predetermined pitch is formed on the outer peripheral surface of the lower outer cylinder 33, and a screw thread 741 described later of the cap 7 (see FIG. 1) is screwed. By the combination of the screw groove 331 and the screw thread 741, when the cap 7 is rotated by a predetermined rotation angle (for example, 90 degrees) around the axis X from a predetermined position, the screw thread 741 of the cap 7 is separated from the screw groove 331. The cap 7 can be detached. Further, rotation is stopped around the axis X between the inner peripheral surface of the lower outer cylinder 33 and the outer peripheral surface of the mouth portion 21. That is, although detailed illustration is omitted, a flange 212 projecting to the outer peripheral side is formed on the outer peripheral surface of the mouth portion 21, and a groove is formed by cutting out a part in the circumferential direction to open vertically, and the lower outer cylinder 33. A vertical rib that protrudes to the inner peripheral side and extends in the vertical direction is formed on the inner peripheral surface of the above, and by inserting this vertical rib into the groove from above, the lower outer cylinder 33 with respect to the mouth portion 21, and eventually the mouth portion member 3 Is regulated so that it does not rotate in the circumferential direction.

The upper inner cylinder 34 projects upward from the inner peripheral end of the annular plate portion 30, and a shoulder step portion 340 is formed at a predetermined position on the upper end side thereof, and a top wall portion 341 constituting the tip portion of the upper inner cylinder 34. A communication hole 342 is formed through the shaft X at a position through which the shaft X passes. In addition, a convex rib ring 343 that surrounds the communication hole 342 and slightly protrudes upward is formed on the tip surface of the top wall portion 341, and the slider 4 is in the lowered position (shown in FIGS. 1 and 2) as described later. The convex rib ring 343 presses against the valve seat portion 422 of the slider 4 to more firmly seal the blocking state between the communication holes 342 and the through holes 421 and 421. There is. Further, a bulging portion 344 protruding outward is formed on the outer peripheral surface of the upper inner cylinder 34 near the shoulder step portion 340, and the bulging portion 344 is in the vertical direction with respect to the inner peripheral surface of the moving cylinder 41 of the slider 4. The slider 4 and the mouth member 3 are sealed by being slidably close to each other. The upper inner cylinder 34 constitutes a tubular body portion of the mouth member 3, and the tip end surface of the top wall portion 341 constitutes a tip surface orthogonal to the axis X direction (proximity separation direction).

Further, the upper outer cylinder 35 surrounds the upper inner cylinder 34 to form an accommodating portion of the moving cylinder 41 of the slider 4 between the two, and the moving cylinder 41 of the slider 4 is formed with respect to the screw groove 351 on the inner peripheral surface of the upper outer cylinder 35. The screw 411 on the outer peripheral surface of the above is screwed. The screw grooves 351 and the screws 411 are formed at a predetermined pitch, and by receiving the transmission of the rotational force described later and rotating at a predetermined rotational angle (for example, a center angle of 90 degrees), the screw groove 351 and the screw 411 are rotated in a vertical direction between the descending position and the ascending position described later. It is set to have a predetermined amount of ascending / descending (advancing / retreating movement amount) in the range. Then, on the outer peripheral surface of the upper outer cylinder 35, outward vertical ribs 352, 352, ... Extending in the vertical direction are formed at each position divided into four equal parts in the circumferential direction (center angle 90 degree interval), and any one of them is formed. By abutting the vertical ribs 512, which will be described later, of the nozzle cover 5 against the vertical ribs 352, the rotation range of the nozzle cover 5 around the axis X is regulated to be 90 degrees. The vertical ribs 352, 352, ... Are provided with a downward engaging surface at the lower end positions, and an engaging convex portion 353 protruding outward is formed so as to extend in the circumferential direction. The nozzle cover 5 is regulated so as not to move relative to each other in the vertical direction when the direction protrusions get over and engage with each other from above.

The slider 4 (see FIGS. 2 and 4) includes a moving cylinder 41 that is screwed with the inner peripheral surface of the upper outer cylinder 35 of the mouth member 3, a top wall portion 42 that covers the upper end of the moving cylinder 41, and a top wall portion. It is configured to include a pin-shaped convex portion 43 projecting upward along the axis X from the central position of 42. The screw 411 is formed on the lower part of the outer peripheral surface of the moving cylinder 41, and outward vertical ribs 421 and 412 for transmitting rotational force are formed on the upper part of the outer peripheral surface so as to extend in the vertical direction. Further, the moving cylinder 41 is formed with a shoulder step portion 413 at the upper end side position thereof so as to cover the shoulder step portion 340 of the mouth portion 21 from above when the slider 4 is in the lowered position. At least one through hole 421,421 in the illustrated example is formed in the top wall portion 42 so as to penetrate at both side positions with the convex portion 43 in between.

Further, when the valve seat portion 422 is formed on the bottom surface portion of the top wall portion 42 and the central portion excluding the through holes 421 and 421 and the slider 4 is in the descending position (retracted position), the valve seat portion 422 The convex rib ring 343 on the upper surface of the top wall portion 341 of the upper inner cylinder 34 facing the lower surface (opposing surface) is in pressure contact with the lower surface (opposing surface) to block and seal between the communication holes 342 and the through holes 421 and 421. It is designed to do. That is, when the slider 4 is in the lowered position, the lower surface of the valve seat portion 422 shields and closes the communication hole 342, and at that time, the through holes 421 and 421 are in the communication hole 342 and the axis X direction. The position is set so that they do not overlap. Here, in order to enhance the blocking performance, the valve seat portion 422 is preferably formed of a material different from the material constituting the slider 4 (a material having more flexibility or elasticity than the slider 4). For this purpose, the valve seat portion 422 and the slider 4 of the other portion are integrally formed by two-color molding using two types of synthetic resins different from each other, or the separately formed valve seat portion 422 is formed by the slider 4 It can be fitted into the recess formed in the above and bonded by means such as hot melt.

When the slider 4 is in the ascending position (advancing position) as described later, the tip 431 of the convex portion 43 abuts on the lower surface of the disk portion of the valve body 63 of the spring valve 6 (preferably a little upward pressing). Then, even if the shaft portion 62 of the valve body 63 is pushed from the outside while the nozzle hole 50 is closed, the measuring chamber 54 is maintained in a sealed state so as not to move downward (backward side). , Can be locked more firmly. As shown in FIGS. 1 and 2, the lower surface of the disk portion of the valve body 63 may be provided with a recess in which the tip 431 of the convex portion 43 fits when the slider 4 is in the raised position.

The nozzle cover 5 (see FIGS. 2 and 5) is provided on the large-diameter cylinder 51 on the lower end side, the medium-diameter cylinder 52 extending upward on the large-diameter cylinder 51 via the step portion 511, and the medium-diameter cylinder 52. Is provided with a nozzle portion 53 that projects upward in a bullet shape via a step portion 521. Vertical ribs 512 and 512 that protrude inward and extend in the vertical direction are formed on the inner peripheral surface of the large-diameter cylinder 51 (see FIG. 2), and when the nozzle cover 5 rotates about the axis X, the vertical ribs 512 are opened. The rotation range of the nozzle cover 5 is restricted to a predetermined range by abutting on the outward vertical ribs 352, 352, ... Of the member 3.

The inner peripheral surface of the medium-diameter cylinder 52 (see FIG. 2) has a circumferential width substantially equal to the circumferential width of the vertical rib 412 of the slider 4, and the circumferential direction is such that the vertical rib 412 can be inserted from above. A pair of inward vertical ribs 522 extending in the vertical direction at both positions separated by width are formed at each position 180 degrees apart in the circumferential direction. By inserting the vertical ribs 412 of the slider 4 from below at the positions sandwiched between the pair of vertical ribs 522 of each set, the rotational force around the axis X can be transmitted from the nozzle cover 5 to the slider 4. That is, the rotational force from the nozzle cover 5 is transmitted to the slider 4 via the pair of vertical ribs 522 and the vertical ribs 412 that abut on the vertical ribs 522 in the circumferential direction, whereby the slider 4 is synchronized by the rotation of the nozzle cover 5. The two are linked to each other so that they can be rotated.

On the other hand, on the outer peripheral surface of the medium-diameter cylinder 52 (see FIGS. 2 and 5), a pair of outward vertical ribs 523 extending in the vertical direction at both positions separated by a predetermined interval in the circumferential direction are provided. Similar to the case of the inner peripheral surface, they are formed at each position 180 degrees apart in the circumferential direction. When the pair of vertical ribs 523 of each set and the pair of engaging protrusions 751 described later of the cap 7 abut in the circumferential direction, the rotational operation force with respect to the cap 7 is transmitted to the nozzle cover 5, and the transmitted rotation. The force is transmitted from the nozzle cover 5 to the slider 4.

A seal cylinder portion 524 extending diagonally inward is formed at the base position of the nozzle portion 53 on the lower surface of the step portion 521 (see FIG. 2). The tip portion 525 of the seal cylinder portion 524 is in close contact with the outer peripheral surface on the upper end side of the moving cylinder 41 of the slider 4, thereby allowing the slider 4 to slide in the vertical direction, and the nozzle portion 53 (nozzle cover). A seal is provided between 5) and the slider 4. By this seal, the inside of the nozzle portion 53 when the slider 4 is in the lowered position, that is, when the slider 4 is in the lowered position and the through holes 421 and 421 and the communication hole 342 are blocked to be in a non-communication state. The space is partitioned as a measuring chamber 54 having a predetermined volume to be weighed in a closed state.

The nozzle portion 53 (see FIG. 2) has an internal space serving as a measuring chamber 54, a nozzle hole 50 communicating with the measuring chamber 54 is formed at the top end, and a spring valve 6 for switching the opening and closing of the nozzle hole 50 is provided. It is housed in the interior space. That is, the spring valve 6 is inserted from the lower end opening of the nozzle cover 5 and is fitted inside the measuring chamber 54 from the lower side by undercut fitting with respect to the inner peripheral surface at the lower position.

Here, as shown in FIG. 6, the spring valve 6 has a spiral shape so as to connect the annular pedestal 61 located at the lower part, the valve body 63 located at the upper part, and the valve body 63 and the pedestal 61 to each other. It is configured to include a plurality of elastic arms 64, 64, ... Then, the convex portion 611 that bulges outward on the outer peripheral surface of the pedestal 61 is formed so as to bulge inward on the inner peripheral surface at the lower position of the measuring chamber 54 from below. By overcoming and engaging with each other, the undercut fitting is formed in the nozzle portion 53. The valve body 63 is mainly composed of a disk portion in close contact with the seat surface formed by the inner peripheral surface below the nozzle hole 50, and integrally includes a shaft portion 62 extending upward from the disk portion. As shown in FIG. 2, the valve body 63 is held concentrically with respect to the nozzle hole 50 by inserting the shaft portion 62 into the nozzle hole 50 from below (measurement chamber 54 side) to the top. It has become like.

In the spring valve 6, the tip of the shaft portion 62 of the valve body 63 protrudes upward from the nozzle hole 50 by receiving the elastic urging force from the elastic arm portions 64, 64, ..., And the valve body 63 is placed below the nozzle hole 50. The nozzle hole 50 is maintained in the closed state in a state where the nozzle hole 50 is pressed against the seat surface formed by the inner peripheral surface on the side and brought into close contact with the seat surface. One or more (three in the example) concave grooves 621, 621, ... (See also FIG. 6) extending in the vertical direction are formed on the outer peripheral surface of the shaft portion 62, and the nozzle hole 50 is as described later. When the tip of the shaft portion 62 protruding from the shaft portion 62 is pushed against the urging force of the elastic arm portion 64, the disk portion of the valve body 63 is separated from the seat surface, and the measuring chamber 54 and the outside are connected to each other through the concave grooves 621, 621, ... The nozzle holes 50 communicate with each other and are in an open state.

If the nozzle hole 50 is in the closed state, the measuring chamber 54 is sealed from the space inside the mouth member 3, that is, the container body 2 when the slider 4 is in the lowered position (FIG. 2). On the other hand, when the slider 4 is in the ascending position as described later, the measuring chamber 54 and the space inside the container body 2 are in communication with each other.

Returning to FIG. 1, the cap 7 is formed by combining the outer member 71 and the inner member 72. The outer member 71 has a shape that exhibits the design of the appearance in accordance with the shape of the container body 2, while the inner member 72 has a structure for exerting and further enhancing the functionality of the fixed quantity pouring container. It is equipped with. That is, the inner member 72 can be screwed into the thread groove 331 of the lower outer cylinder 33 of the mouth member 3 by the lower end flange 73 for coupling with the outer member 71 and the screw thread 741 formed on the inner peripheral surface. A second tubular portion capable of transmitting a rotational operation force to the nozzle cover 5 via each pair of vertical ribs 523 by a pair of engaging convex portions 751 formed on the inner peripheral surface of the first tubular portion 74. It is configured to include a 75 and a third tubular portion 76 that can cover and protect the nozzle portion 53 of the nozzle cover 5. The third tubular portion 76 is provided with a protective cover portion 761 at the top thereof, and the protective cover portion 761 prevents an unexpected pressing force from acting on the shaft portion 62 from the outside in a state where the shaft portion 62 protrudes from the nozzle hole 50. I try to protect it by covering it with. That is, the nozzle hole 50 can be safely maintained in a closed state. The cap 7 may be formed as an integral body without being divided into the outer member 71 and the inner member 72 as described above. However, in order to reduce the weight while satisfying the appearance design and the functionality of the inner nozzle cover 5 and the like, it is particularly light weight to be divided into the outer member 71 and the inner member 72. It is advantageous from the viewpoint of.

The transmission of the rotational force of the cap 7, the nozzle cover 5, and the slider 4 will be described with reference to FIG. 7. Rotate the cap 7 in the closed cap state (the state shown by the solid line in FIG. 7A; the state shown in FIG. 1) around the axis X in the opening direction W (for example, in the counterclockwise direction) by the amount of 90 degrees of rotation operation (open). (Cap operation), one of 751b of each pair of engaging convex portions 751 of the second cylinder portion 75 constituting the cap 7 is one of each pair of vertical ribs 523 of the medium diameter cylinder 52 of the nozzle cover 5. Is pushed in the opening direction W, whereby the nozzle cover 5 rotates and moves synchronously. On the other hand, as the nozzle cover 5 rotates 90 degrees, the vertical ribs 412 of the moving cylinder 41 of the slider 4 sandwiched between the pair of vertical ribs 522 and 522 of the medium diameter cylinder 52 are also pushed in the opening direction W. Along with the rotation operation of the cap 7, the slider 4 also rotates and moves by 90 degrees in synchronization. Therefore, the rotation operation of the cap 7 causes the slider 4 to rotate and move in synchronization with the nozzle cover 5.

On the other hand, a stopper is provided so that the rotation range of the nozzle cover 5 is surely restricted to a predetermined center angle (90 degrees in this embodiment). That is, as a result of the synchronous rotation of the nozzle cover 5 based on the rotation operation of the cap 7, the vertical ribs 512 and 512 of the large diameter cylinder 51 (see FIG. 7B) rotate and move in the same manner with respect to the opening direction W. The vertical ribs 512 and 512 abut on the vertical ribs 352, 352, ... Of the mouth member 3. The vertical ribs 352, 352, ... Are formed at predetermined positions at intervals of 90 degrees in the circumferential direction, whereby the rotation range of the nozzle cover 5 is surely restricted to 90 degrees. This is to regulate the rotational movement amount of the slider 4 to a predetermined center angle (90 degrees) so that the ascending / descending movement range of the slider 4 is surely between the descending position and the ascending position as described later. is there. The combination of the vertical ribs 352 and the vertical ribs 512 constitutes a stopper. The installation positions of the vertical ribs 352, 352, ... Can be set according to the amount of rotational movement of the slider 4 for realizing the elevating operation between the descending position and the ascending position, and the rotational movement amount is an example described later. When it is set to 120 degrees as described above, it can be set at each position at intervals of 120 degrees in the circumferential direction. The stopper is provided between the slider 4 and the mouth member 3 instead of the combination of the vertical ribs 512 and 352 that abut each other between the nozzle cover 5 and the mouth member 3. Can be done.

Due to the 90 degree rotational movement of the slider 4 in the opening direction W, the slider 4 is moved along the axis X from the descending position shown on the left side of FIG. 1, FIG. 2 or FIG. 8 to the ascending position shown on the right side of FIG. To rise. By the ascending operation of the slider 4, the valve seat portion 422 of the slider 4 is separated upward from the convex rib ring 343 of the mouth member 3, and the communication holes 342 and the through holes 421 and 421 communicate with each other through the gap space. As a result, the measuring chamber 54 and the inside of the container body 2 are converted into a state of communicating with each other (communication state). In the present embodiment, the slider 4 is set to move up and down between the descending position and the ascending position with a rotational movement amount of 90 degrees at the center angle in the opening direction W, but the descending position of the slider 4 The amount of rotational movement to be realized in the ascending / descending movement between the and the ascending position can be appropriately determined in consideration of the user's operability and the like. For example, by rotating the center angle by 120 degrees, it can be set so that the ascending / descending movement between the descending position and the ascending position is realized. Such a change setting can be made by adjusting the screw pitch of the screw fitting between the slider 4 and the mouth member 3.

Then, as shown in the left side portion of FIG. 8, if the cap 7 is in the closed cap state while the container body 2 is filled with the liquid Q, the slider 4 is set to the descending position and the slider 4 is set. The valve seat portion 422 is in pressure contact with the top wall portion 341 (convex rib ring 343: see FIG. 2) of the mouth member 3, and the communication holes 342 and the through holes 421 and 421 are blocked in a non-communication state. (See also FIG. 2). Therefore, the liquid Q is surely stored and stored in the container body 2 in a hermetically sealed state, and even if the entire container is turned over, the liquid Q flows into the measuring chamber 54 from the container body 2 side. There is no.

Then, when the cap 7 is opened (rotated in the opening direction W), the rotational operation force is transmitted from the cap 7 to the nozzle cover 5, and at the same time, the rotational operation force is transmitted from the nozzle cover 5 to the slider 4. The slider 4 is rotated and moved by 90 degrees. As a result, the slider 4 rises from the descending position to the ascending position. As a result, as shown in the right side portion of FIG. 8, the valve seat portion 422 and the top wall portion 341 (convex rib ring 343: see FIG. 2) are separated from each other, and the communication holes 342 and the through holes 421 and 421 communicate with each other. Then, the measuring chamber 54 can be changed from the non-communication state to the communication state in which the inside of the container body 2 is communicated. Further, by ascending to the ascending position, the convex portion 43 of the slider 4 abuts on the valve body 63 of the spring valve 6 and the nozzle hole 50 can be locked in the closed state at the same time as the conversion to the communicating state. Therefore, even if the shaft portion 62 of the valve body 63 exposed to the outside touches another object or pushes the shaft portion 62 by mistake, the valve body 63 does not move and the measuring chamber is used. The 54 can be reliably maintained in the closed state. If the cap 7 is rotated by 90 degrees in the opening direction W, the cap 7 can be disengaged and separated from the mouth member 3 (container body 2).

After that, as shown in FIG. 9, when the whole is changed from the upright state to the inverted state, the liquid Q in the container body 2 flows into the measuring chamber 54 through the communication holes 342 and the through holes 421 and 421 in the communication state. , The measuring chamber 54 is filled with liquid Q (see the left portion of FIG. 9). Next, when the nozzle cover 5 is rotated in the closing direction opposite to the opening direction W of the cap 7 (see FIG. 8), the rotational operation force is transmitted from the nozzle cover 5 to the slider 4, and the slider 4 is moved from the ascending position. It returns to the descending position (see the central portion of FIG. 9), and returns to the non-communication state in which the communication holes 342 and the through holes 421 and 421 are cut off. As a result, the measuring chamber 54 is sealed in a state where the inside is filled with the liquid Q. That is, it is possible to reliably separate the amount of liquid Q corresponding to the space volume in the measuring chamber 54 and accurately measure a predetermined amount of liquid Q. Here, in the measuring chamber 54, since the liquid to be measured is stored in a filled state, even if the liquid is pore-volatile, the internal pressure does not fluctuate due to volatility. In addition, in the process from the communicating state to the non-communicating state, the volume in the measuring chamber 54 does not decrease, so that the liquid in the measuring chamber 54 after being weighed does not cause an internal pressure fluctuation.

Then, as a result of the slider 4 returning to the lowered position, the locked state of the valve body 63 is released. Therefore, by pressing the shaft portion 62 (see the right side portion of FIG. 9) of the valve body 63 against the affected portion (for example, the scalp) H as it is, the spring The elastic arm portions 64, 64, ... Of the valve 6 are bent and the valve body 63 is retracted, whereby the nozzle hole 50 is opened through the concave grooves 621, 621, .... Therefore, the liquid Q in the measuring chamber 54 is poured out to the scalp H through the concave grooves 621, 621, ..., And the liquid Q can be applied to the scalp, and the inside of the measuring chamber 54 is replaced with the outside air. Be emptied. That is, by pressing the shaft portion 62 against the scalp H or the like, only a fixed amount of liquid Q corresponding to the volume (for example, 5 ml) in the measuring chamber 54 in the non-communication state can be poured out. At this time, since the internal pressure in the measuring chamber 54 does not fluctuate as described above, there is no possibility of causing inconveniences such as liquid leakage due to the internal pressure fluctuation and the liquid rushing out at the time of pouring.

After use, return the quantitative injection container to the upright state, cover it with the cap 7, and rotate the cap 7 in the closing direction (opposite to the opening direction W) (hereinafter, also referred to as "closing cap operation"). This returns to the original closed cap state (the state shown by the solid line in FIG. 7A). At that time, regardless of the position where the cap 7 is covered from above (rotational position in the circumferential direction), or the rotation position of the nozzle cover 5 (whether the slider 4 is in the lowering position or the ascending position). Regardless of (), it is possible to return to the original closed cap state by rotating the cap 7 in the closing direction after covering the cap 7.

That is, each pair of engaging convex portions 751 formed on the third tubular portion 75 of the inner member 72 of the cap 7 extends in a direction in which one engaging convex portion 751b diagonally intersects the tangent line and extends in the opening direction W. The rotational force can be transmitted to the vertical rib 523 only with respect to the vertical rib 523, and can rotate and move over the vertical rib 523 based on the elasticity or flexibility of the material in the opposite closing direction. On the other hand, the other engaging convex portion 751a is composed of protrusions protruding inward in the radial direction from the inner peripheral surface of the third tubular portion 75, and the cap 7 is rotationally moved in the closing direction to the vertical rib. When it hits 523, the rotational force in the closing direction can be transmitted to the nozzle cover 5. Therefore, even if the cap 7 is covered from an arbitrary circumferential position, by rotating the cap 7 in the closing direction, the other engaging convex portion 751a abuts on the vertical rib 523 and rotates in the closing direction. Until the force can be transmitted, one of the engaging convex portions 751b gets over the vertical rib 523 and rotationally moves in the closing direction. Then, by the rotation operation of the cap 7 in the closing direction, the other engaging convex portion 751a is rotated until it abuts on the vertical rib 523, and after the abutting, the rotational force in the closing direction is transmitted to the nozzle cover 5, so that the slider 4 It is possible to return to the original closed cap state in which is in the descending position (non-communication state). After returning to the closed cap state, weighing and pouring can be performed again by the operation of the open cap 7 with respect to the cap 7.

By the way, when the weighing to the fixed amount of liquid are repeatedly poured out, the user can determine whether the slider 4 is in the communicating state or the non-communication state when the use is finally finished and the closing cap operation is performed. It is possible that it will disappear. However, no matter which rotation position the slider 4 is in, that is, no matter which rotation position the nozzle cover 5 is, as long as the cap 7 is put on and the closing cap operation is performed, the slider 4 is as described above. Can be reliably returned to the non-communication state by positioning the slider in the descending position. As a result, the liquid Q in the container body 2 can be reliably stored in a sealed state.

Although two sets (two pairs) of the pair of vertical ribs 523 and 523 are arranged at intervals of 180 degrees in the circumferential direction, one set can be used. Further, the pair of vertical ribs 523 and 523 can be replaced by one vertical rib that is sandwiched between the pair of engaging protrusions 751a and 751b from both sides in the circumferential direction. When one vertical rib is used, the width can be increased in the circumferential direction.

In the above-mentioned quantitative injection container, as shown in FIG. 10, a mouth member 3 is attached to a container body 2 filled with liquid Q, and a screw groove 351 in the upper outer cylinder 35 of the mouth member 3 is provided. On the other hand, the screw 411 of the moving cylinder 41 of the slider 4 is screwed and screwed, and the nozzle cover 5 in the state where the shaft portion 62 of the valve body 63 of the spring valve 6 is inserted into the nozzle hole 50 is placed above and outside the mouth member 3. It is mounted on the outer peripheral surface of the cylinder 35 from above a predetermined circumferential position. Finally, the cap 7 is put on the vertical ribs 523 of each set of the medium-diameter cylinder 52 of the nozzle cover 5 from above so as to be in a predetermined circumferential position, and the screw groove 331 of the lower outer cylinder 33 of the mouth member 3 is covered. It is completed by screwing it into the closed cap state.

Alternatively, a quantitative injection device can be assembled in advance separately from the container body 2. That is, the screw 411 of the moving cylinder 41 of the slider 4 is screwed into the screw groove 351 in the upper outer cylinder 35 of the mouth member 3 and screwed, and the nozzle cover 5 in the state where the spring valve 6 is incorporated first is inserted into the mouth. The member 3 is mounted on the outer peripheral surface of the upper outer cylinder 35 from above at a predetermined circumferential position. Finally, the cap 7 is put on the vertical ribs 523 of each set of the medium-diameter cylinder 52 of the nozzle cover 5 from above so as to be in a predetermined circumferential position, and the screw groove 331 of the lower outer cylinder 33 of the mouth member 3 is covered. It is screwed into and screwed into a closed cap state to complete it as a quantitative injection device. Then, the container body 2 is filled with the liquid Q, and the mouth portion 21 (see FIG. 1) of the container body 2 after filling is equipped with the quantitative injection device 1 in a pre-assembled state to perform quantitative injection. It can be a fixed quantity pouring container as a product composed of the device 1 and the container body 2.

In the case of the quantitative injection container equipped with the above quantitative injection device, the measuring chamber 54 can be converted from the non-communication state to the communication state by simply removing the cap 7 in the upright state, and the cap 7 is removed. By simply turning the nozzle cover 5 in the reverse direction after turning it upside down, it becomes possible to perform the quantitative injection / coating operation on the scalp as it is. In other words, compared to the conventional fixed-quantity dispensing container, which could not be dispensed / applied to the scalp unless it was changed from an upright state to an inverted state, returned from an inverted state to an upright state, and then returned to an inverted state. , It is not necessary to return from the inverted state to the upright state once, and the operability can be greatly improved. Moreover, since the liquid in the measuring chamber 54 is measured in a state of being filled inside and does not have a free liquid level, it is shaken or the like as compared with the case where the liquid is measured with a free liquid level in the conventional frayed state. There is no possibility that the amount of liquid in the measuring chamber 54 will change even if the liquid is received, and a predetermined amount of liquid can be accurately measured, and the accurate measuring state can be reliably maintained. In particular, when the operation of returning the measuring chamber 54 from the communicating state to the non-communication state is performed, it is not necessary to consider the outflow of liquid and the like, and the handling can be facilitated.

Further, when not in use, that is, when the cap 7 is put on the container body 2, the through holes 421 and 421 on the measuring chamber 54 side are in a non-communication state blocked from the communication holes 342 on the container body 2 side. Therefore, even if the liquid Q is placed in a state such as lying down instead of in an upright state, the liquid Q contained in the container body 2 is maintained in a sealed state, and the occurrence of liquid leakage or the like can be avoided. Moreover, if it is closed by the cap 7, it can be seen that it is maintained in the sealed state, while if the cap 7 is removed and the cap is opened, it is already converted into a measurable state by the opening cap operation. The user can grasp that a certain amount of liquid Q can be poured out and applied just by looking at the appearance.

<Other Embodiments>
The present invention is not limited to the above-described embodiment, but includes various embodiments. That is, in the above-described embodiment, the outer member 71 forming a part of the cap 7 is formed so as to have a shape that exhibits the design of the appearance in accordance with the shape of the container body 2. Omitted, for example, as shown in FIG. 11 (a), a quantitative injection device 1a provided with a cap 7'consisting only of the inner member 72 can be used. Alternatively, the outer peripheral surface of the inner member 72 itself may be changed to one having a predetermined shape in consideration of design, and the cap may be configured only by the inner member in this way. Further, the quantitative injection device can be configured by omitting the cap 7 itself. For example, as shown in FIG. 11B, the quantitative injection device 1b can be configured without the cap 7. In this case, the conversion of the slider 4 from the descending position to the ascending position is performed by grasping the nozzle cover 5 itself and rotating it in the opening direction W instead of the cap 7 opening operation. In this case as well, instead of automatically raising the slider 4 by opening the cap 7, the slider 4 can be automatically raised by rotating the nozzle cover 5, and other effects are the same as in the above-described embodiment. You can get one. In the case of the configuration without the cap 7, the protective cover 8 for covering the nozzle hole 50 and the shaft portion 62 protruding from the nozzle hole 50 can be detachably fitted to the nozzle cover 5. Further, the cap 7 may be composed of only the outer member 71, and the outer member 71 may be detachably fitted to the mouth member 3 or the container body 2.

In the above embodiment, an example in which the quantitative injection device is configured by including the mouth member 3 is shown, but the present invention is not limited to this, and the quantitative injection device can be configured by omitting the mouth member 3. For example, by using a dedicated container body in which a portion corresponding to the mouth member 3, particularly a portion corresponding to the upper inner cylinder 34 and the upper outer cylinder 35 is integrally formed with the mouth portion 21 of the container body 2, the mouth portion member The quantitative injection device can be configured by omitting 3. Therefore, in this case, the fixed-quantity dispensing container can be provided with such a dedicated container main body and a fixed-quantity dispensing device in which the mouth member 3 is omitted.

Further, in the above-described embodiment, the slider 4 provided with the convex portion 43 is shown, but the present invention is not limited to this, and instead of the convex portion 43, a convex portion that plays the same role as the convex portion 43 is used as the valve body 63. It can be integrally formed with the valve body 63 so as to project downward from the disk portion of the above. Alternatively, the convex portion 43 can be replaced by forming the convex portions protruding from both the slider 4 and the valve body 63 in the opposite directions. The convex portion 43 or the convex portion may be omitted. If the convex portion 43 is omitted, the function of locking the valve body 63 of the spring valve 6 cannot be provided at the raised position of the slider, but all other basic functions and effects as a quantitative injection device can be obtained. be able to.

Further, in the above-described embodiment, the inner peripheral side of the slider 4 is sealed by being slidably brought into close contact with the bulging portion 344 of the mouth member 3, while the outer peripheral side of the slider 4 is the seal cylinder portion 524 of the nozzle cover 5. The slider 4 itself is configured to be vertically displaceable along the axis X in a state where the tip portion 525 is slidably brought into close contact with the slider 4, but the seal portion (bulging portion 344 or tip portion 525). The forming position and the member (mouth member 3 or nozzle cover 5) to be formed are not particularly limited, and a forming position and a forming member different from the above-described embodiment can be selected. For example, a seal portion can be formed on the side of the slider 4.

In the above embodiment, the configuration example in which the axis X extends in the vertical direction and the slider 4 moves up and down is shown, but the present invention is not limited to this, and the axis X extends laterally and the slider moves forward and backward in the horizontal direction. Can be done. For example, both portions of the upper inner cylinder 34 and the upper outer cylinder 35 of the mouth member 3 project laterally, and the middle foot cylinder 31, the lower inner cylinder 32, and the lower outer cylinder 33 are formed so as to extend downward, and the upper inner cylinder 34 and the lower outer cylinder 33 are formed so as to extend laterally. The slider 4, the nozzle cover 5, and the like can be connected sideways to the inner cylinder and the upper outer cylinder. As a result, it is possible to configure a fixed-quantity injection device to be attached to the mouth portion 21 that opens upward of the container body 2 in a state of being bent sideways as if the L-shape was turned upside down. In this case, since the axis X extends laterally, the slider 4 moves forward and backward in the lateral direction to correspond to the retracted position (corresponding to the descending position of the embodiment) and the forward position (corresponding to the ascending position of the embodiment). ) Will be repositioned.

Further, the communication hole 342 of the mouth member 3 may be provided with a communication cylinder similar to the communication cylinder (16) of the fixed quantity dispensing container disclosed in, for example, Utility Model Registration No. 2583154. , The outer peripheral surface of the communication cylinder and the inner peripheral surface of the communication hole 342 can be vertically held by a plurality of ribs in the circumferential direction. In this case, the rib can be extended over the entire axial length of the through cylinder, and according to this, the rib guides the flow of the liquid Q and allows the liquid Q to flow out to the measuring chamber 54 more smoothly. In addition, since the air in the measuring chamber 54 circulates inside the container body 2 through the through cylinder, the replacement of the air in the measuring chamber 54 with the liquid Q in the container body 2 is smoother. It is done in.

Further, instead of the spring valve 6, the valve body 63 and the pedestal 61 are formed of separate members, and the valve body 63 is provided with an urging means such as a coil spring between the pedestal 61 and the valve body 63. Can also be urged to the closed position.

1,1a, 1b Quantitative dispensing device 2 Container body 3 Mouth member 4 Slider 5 Nozzle cover 7 Cap 21 Mouth 34 Upper inner cylinder (cylinder body)
42 (tip of slider)
43 Convex part 50 Nozzle hole 54 Measuring chamber 63 Valve body 341 Top wall part (tip part of tubular body part)
342 Communication hole 352 Vertical rib (stopper)
421 Through hole 422 Valve seat (bottom surface of slider tip)
512 Vertical ribs (stoppers)

Claims (6)

A quantitative injection device used by attaching to the main body of a container for storing liquids.
A mouth member having a tubular body portion having a communication hole formed at the tip portion, which can be attached to the mouth portion of the container body and communicates with the inside of the container body when attached.
A slider that is extrapolated to the tubular body and is screwed into the mouth member and can move forward and backward with respect to the communication hole by rotational operation.
A nozzle cover that has a nozzle hole that can be opened and closed at the tip and a measuring chamber that is partitioned in a space facing the nozzle hole and is rotatably coupled to the mouth member in a fixed position.
With
The slider is engaged with the nozzle cover so as to be able to transmit a rotational force, and is rotationally operated by receiving the transmission of the rotational force from the nozzle cover. It is configured so that it can advance and retreat from the advancing position that opens the communication hole, and it is configured so that the space facing the nozzle hole at the retracting position is divided into a predetermined volume to be measured.
A quantitative injection device characterized by the fact that. The quantitative injection device according to claim 1.
The communication hole of the tubular body portion is opened on the tip surface orthogonal to the proximity separation direction, while the slider has a facing surface facing the tip surface in the proximity separation direction and at the retracted position. A quantitative injection device in which the facing surface shields the tip surface of the tubular body portion to close the communication hole. The quantitative injection device according to claim 2.
The slider is formed in a tubular shape having a tip portion, and the facing surface is formed by the bottom surface in the tip portion, and the bottom surface has a through hole at a portion that does not overlap with the communication hole when projected in the proximity separation direction. A quantitative injection device that has been formed. The quantitative dispensing device according to any one of claims 1 to 3.
The amount of rotational movement of the slider between the nozzle cover and the mouth member, or between the slider and the mouth member, is the amount of forward / backward movement between the retracted position and the forward position. A quantitative injection device provided with a stopper to regulate to correspond to. The quantitative dispensing device according to any one of claims 1 to 4.
The weighing of the valve body by projecting the nozzle hole from the valve body that closes the measuring chamber side from the measuring chamber side and either or both of the slider and the valve body and contacting the slider when the slider is in the forward position. A quantitative injection device equipped with a protrusion to prevent retreat to the chamber side. The quantitative dispensing device according to any one of claims 1 to 5.
A cap that is screwed into the mouth member so as to cover the nozzle cover is provided.
The cap is engaged with the nozzle cover so that a rotational force can be transmitted, and the slider is set to the retracted position in a closed cap state in which the cap is screwed into the mouth member and covers the nozzle cover. While engaged with the cover and the slider, the rotation operation amount and the advance / retreat movement amount of the slider are associated with each other so that the slider is repositioned to the forward position by the rotation operation from the closed cap state to the open direction. , Quantitative dispenser.

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