JP4379671B2 - Liquid measuring container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid measuring container.
[0002]
[Prior art]
For example, a quantitative dispensing container disclosed in Japanese Patent Application Laid-Open No. 2001-158461 includes a container body that erects the mouth and neck, and an upper end surface of the main cylinder that is raised by fitting the lower cylinder portion to the outer surface of the mouth and neck. A cap-like member that is closed with a cover plate attached to a part of the upper end of the part via a thin hinge and that hangs down the first hook from the center of the cover plate, and is placed on the upper end surface of the mouth-and-neck part; A plurality of elastic strips project from the lower end of the short cylinder part fitted to the inner surface to the diagonally inward direction via the inward flange, and the tips of these strips project from the bottom end of the stopper rod to the diagonally downward direction. Attached to the outer surface of the lower end of the opened opening and closing plate, and the second hook is erected by engaging with the first hook from the upper end of the plug bar, and has an operation with thin hinges at the base end and the outer end of the upper elastic band plate, respectively. The plug rod is inserted into a connotation hole formed by the member and a plurality of gap holding plate inner ends projecting inwardly from the inner surface of the measuring tube portion. And projecting the tapered tube to the bottom outward from the metering cylinder portion lower end with to become the tapered barrel bottom and a metering cylinder member was fixed to the lower end inner surface of the short cylindrical portion,
When the container body is inverted while the cover plate is closed, the liquid enters the upper part of the cap-shaped member through the elastic band plates and the gap holding plate, and then returns to the upright position between the main tube portion and the measuring tube portion. The liquid that enters the upper part of the cap-like member except for the liquid weighed in is returned to the container body, and the elastic band-like plate is elastically reversed by opening the lid plate from this state, so that the stopper rod and the taper shape The cylinder is pulled up to seal the lower end surface of the measuring cylinder, and the first and second hooks are disengaged, and the container is tilted from this state so that the measuring liquid can be dispensed. When the lid plate is re-closed from this state, the first hook engages with the second hook and the plug bar is pushed down. Then, the taper tube also descends, so that the elastic strip plate is elastically inverted, and the measuring tube. The lower end surface can be opened.
[0003]
[Problems to be solved by the invention]
According to the present invention, it is possible to visually check that a predetermined amount of liquid in the measurement chamber is measured by moving the measurement chamber up and down by removing the cap. .
[0004]
[Means for Solving the Problems]
As a first means, a container body 1 that stands up the mouth-and-neck portion 2 and a peripheral wall 12 that is non-rotatably and water-tightly fitted to the mouth-and-neck portion are suspended from the outer peripheral portion of the bowl-shaped top wall 13; The guide cylinder 16 from the inner peripheral part of the top wall and the extraction cylinder 17 from the outer peripheral part, respectively, the main cylinder 11 rising up, and the lower cylinder part 33 of the cylindrical part are connected to the bowl-shaped hole 15 of the bowl-shaped top wall 13. The seal portion 35 having a larger outer diameter than the bowl-shaped hole is suspended from the outer periphery of the bottom plate 34 that closes the lower end surface of the lower cylindrical portion, and the outer surfaces of the lower end portion and the intermediate portion of the upper cylindrical portion 36 Are provided with a small-diameter piston 37 and a large-diameter piston 39 via an outward flange 38. The small-diameter piston is attached to the inner surface of the guide cylinder 16, and the large-diameter piston 39 is connected to the inner surface of the dispensing cylinder 17. The sliding cylinder member 31 is fitted to the main cylinder 11 so as to be vertically movable and biased upward, and is fitted from the outer periphery of the top plate 52 to the outer surface of the extraction cylinder 17. The cylinder 53 and the top plate lower surface, becomes a sliding cylinder member 31 through the outer tube 53 downward at an outward flange 38 to depress pressure cylinder 54 at the lower end surface, from each hanging cap 51. The When the sliding cylinder member is pushed down by the rolling cylinder, a liquid passage hole 40 is drilled in the lower cylinder portion located below the bowl-shaped top wall 13, and the sliding cylinder member 31 is raised to the upper limit by removing the cap 51. In this case, the seal portion 35 is in watertight contact with the lower edge of the bowl-shaped hole 15, the small diameter piston 37 is in contact with the upper inner surface of the guide tube 16, and the large diameter piston 39 is in contact with the inner surface of the intermediate portion of the dispensing tube 17. In addition, the upper cylindrical portion 36 is provided with the upper end surface positioned below the upper end surface of the dispensing cylinder 17, and the annular measuring chamber is formed by a portion of the upper cylindrical portion 36 above the outward flange 38 and the dispensing cylinder 17. 63 was formed .
[0005]
The second means includes the outer cylinder 17a which has the first means and the pouring cylinder 17 stands from the bowl-shaped top wall 13 and the inner cylinder 17b which is closely fitted to the inner surface of the outer cylinder. It is formed of an inner and outer double cylinder, and an air flow groove 20 is provided vertically on either one of the inner and outer cylinder abutting surfaces, through which the gap space between the guide cylinder 16 and the extraction cylinder 17 and the outside air Communicated.
[0006]
As a third means, a metal coil spring 41 for biasing the sliding cylinder member upward is provided between the guide cylinder 16 and the extraction cylinder 17 as well as the first or second means.
[0007]
As a fourth means, the first, second, or third means is provided, the dispensing cylinder 17 is a male screw cylinder, and the outer cylinder 53 is a female screw cylinder.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Referring to the drawings, reference numeral 1 denotes a container body that erects the mouth and neck portion 2. The upper portion of the mouth / neck portion is a small outer diameter portion 2a, and a plurality of first vertical ribs 3 are vertically arranged at substantially equal intervals on the outer surface of the small outer diameter portion.
[0009]
11 is a main tube that hangs from the outer periphery of the bowl-shaped top wall 13 and the peripheral wall 12 to be fitted to the mouth and neck portion. In the illustrated example, the peripheral wall is formed by an inner and outer double tube, and the outer peripheral wall 12a has a lower portion at the mouth and neck portion. The second vertical rib 14 fitted between the first vertical ribs is vertically provided on the upper inner surface of the outer peripheral wall. The inner peripheral wall 12b hangs down in a watertight manner on the upper inner surface of the mouth and neck.
[0010]
There is a bowl-shaped hole 15 at the center of the bowl-shaped top wall 13, and the guide tube 16 is erected from the inner peripheral part near the periphery of the bowl-shaped hole, and from the upper surface of the bowl-shaped top wall portion above the mouth neck 2. The extraction tube 17 is erected. The pouring tube rises higher than the guide tube, and a male screw is attached to the outer surface of the pouring tube. In the illustrated example, the pouring cylinder 17 is formed by an outer cylinder 17a standing up from a bowl-shaped top wall and an inner cylinder 17b tightly fitted to the inner surface of the outer cylinder, and the inner cylinder 17b stands up high above the outer cylinder. And the upper end of the outer cylinder whose upper end is widened upward and outward and the short cylinder 19 is suspended via an outwardly extending plate 18 attached to the upper outer surface of the short cylinder. It is fitted to the outer surface. A gap is provided between the lower end surface of the inner cylinder and the upper surface of the bowl-shaped top wall 13. An air circulation groove 20 is provided vertically on the inner surface of the outer cylinder 17a, and the groove communicates with the groove provided on the upper end of the outer cylinder and the inner surface of the short cylinder 19 so as to pass through the inside and outside of the dispensing cylinder 17 through these grooves. I am letting.
[0011]
31 is a sliding cylinder member, and a short cylinder part slightly closer to the lower part in the middle in the vertical direction is used as an upper large-diameter curved cylinder part 32, and a lower-diameter lower cylinder part 33 is suspended from the lower inner surface of the cylinder part. The bottom end surface of the cylindrical portion is closed with a bottom plate 34, and an elastic cylindrical seal portion 35 having a larger outer diameter than the flange-shaped hole 15 is suspended from the outer periphery of the bottom plate. Standing up the cylindrical portion 36, a small-diameter cylindrical piston 37 on the outer surface of the lower end of the upper cylindrical portion, and a large-diameter cylindrical piston 39 on the outer surface of the intermediate portion of the upper cylindrical portion via an outward flange 38, respectively. It is attached. Further, a plurality of liquid passage holes 40 are provided vertically in the lower cylinder portion.
[0012]
The sliding cylinder member elastically deforms the seal part 35, passes the lower cylinder part 33 through the bowl-shaped hole 15 so as to be movable up and down, and moves the small-diameter piston 37 to the inner surface of the guide cylinder 16 or large. The diameter piston 39 is in watertight contact with the inner surface of the dispensing cylinder 17. The sliding cylinder member is urged upward by a coil spring 41 mounted between the guide cylinder 16 and the extraction cylinder 17. The sliding cylinder member will be described later.
[0013]
51 is a cap, screwed from the outer periphery of the top plate 52 to the outer surface of the extraction cylinder 17 to form an outer cylinder 53 as a female screw cylinder, and a lowering cylinder 54 for pushing down the sliding cylinder member from the lower surface of the top board, respectively. Droop. The lowering cylinder 54 may be suspended along the inner surface of the dispensing cylinder 17, and the lower end surface of the lowering cylinder 54 is in contact with the upper surface of the outward flange 38.
[0014]
When the cap screw is tightened, the sliding cylinder member 31 is pushed down to the lower limit. At this time, the lower end surface of the curved cylinder portion 32 contacts the upper surface of the inner peripheral portion of the bowl-shaped top plate 13 of the main cylinder 11, and the cap 51 is screwed off. Then, as shown in FIG. 4, the outer surface of the upper end portion of the seal portion 35 is provided so as to be in watertight contact with the lower edge of the bowl-shaped hole 15, and at this time, the upper end of the upper tube portion 36 is slightly below the upper end of the dispensing tube 17. It is provided to be located. It should be noted that the upper limit of the sliding cylinder member 31 may be provided so as to be determined only by engaging the outer surface of the upper end portion of the seal portion 35 with the lower edge of the bowl-shaped hole 15 as described above, or as shown in the figure. The diameter piston 39 has a short cylindrical shape with both upper and lower ends having a large outer diameter and an intermediate portion and a small outer diameter, and the outer periphery of the upper end surface is simultaneously engaged with the downward stepped portion 21 provided on the inner surface of the dispensing cylinder inner tube 17b. It may be provided so as to be determined.
[0015]
In the above configuration, when the cap 51 is screwed as shown in FIG. 1 and is inverted as shown in FIG. 2, the liquid in the container passes through the liquid passage hole 40 and into the upper cylindrical portion 36 and the cap 51. enter. When further erecting from this state as shown in FIG. 3, the liquid in the cap 51 is formed in the annular measuring chamber 61 formed by the upper cylinder portion above the outward flange and the dispensing cylinder 17 with the outward flange 38 as the bottom. The excess liquid enters the container and returns to the container through the liquid passage hole 40 together with the liquid in the upper cylindrical portion.
[0016]
When the cap 51 is unscrewed from this state as shown in FIG. 4, the sliding cylinder member 31 is pushed up by the spring 41, so that the measuring chamber 61 is also raised, and the liquid level in the chamber is brought close to the upper end of the dispensing cylinder 17. Push up. Therefore, the container body may be tilted from this state to pour out the measured liquid. In this state, the bowl-shaped hole 15 does not leak through the bowl-shaped hole because the bottom plate of the seal part 35 and the lower cylinder part 33 is sealed.
[0017]
After the measurement, the cap 51 may be screwed and tightened to the dispensing cylinder 17 again, and the reduction cylinder 54 pushes down the sliding cylinder member 31 to the lower limit. During the depression, the air in the space formed between the guide cylinder 16 and the lower half of the upper cylinder portion 36 below the outward flange 38 and the extraction cylinder 17 is compressed and discharged through the air circulation groove 20. The When the sliding cylinder member is raised, the space is expanded, so that outside air flows through the groove to eliminate the negative pressure.
[0018]
In the illustrated example, the lower cylindrical portion 33 of the sliding cylindrical member has a small outer diameter, but it may have the same diameter as the upper cylindrical portion, and a spring 41 is provided between the small diameter piston 37 and the bowl-shaped top wall 13. You can also. Further, the air circulation groove 20 may be provided with an air circulation hole at the lower end of the dispensing cylinder 17 instead of the groove.
[0019]
The main cylinder 11, the sliding cylinder member 31, and the cap 51 are each formed of a synthetic resin material. The container body may be glass or the like in addition to synthetic resin.
[0020]
【The invention's effect】
The present invention has the above-described configuration, and according to the first aspect, the liquid can be measured easily and accurately, and the upper cylinder above the outward flange with the outward flange 38 as the bottom. The metering chamber 61 formed by the portion and the dispensing cylinder is lifted by removing the cap and moves the liquid level of the indoor metering liquid to the vicinity of the upper end of the dispensing cylinder 17. By confirming that the upper end surface is flush with the eye, it is convenient to confirm that the weighing is performed accurately, and the discharge is easy.
[0021]
According to the second aspect, the air flow groove 20 can be easily formed, and when the main cylinder 11 is made of a synthetic resin, sink marks due to external threads attached to the outer surface of the extraction cylinder are generated on the inner surface of the extraction cylinder. However, by forming the inner surface of the inner cylinder 17b smoothly, the large-diameter cylindrical piston 39 can be brought into watertight contact.
[0022]
According to the third aspect, it is possible to prevent the liquid from touching the spring 41, and it is possible to prevent adverse effects when the liquid touches the spring as a metal spring, such as rusting of the spring.
[0023]
By forming as in claim 4, the rising speed when removing the cap, and hence the rising speed of the liquid in the measuring chamber formed by the sliding cylinder member 31 can be moderated, and the measured liquid is spilled and reduced. Can be prevented. In addition, it is easy to use and the structure can be simplified.
[Brief description of the drawings]
FIG. 1 is a half sectional view of a main part of a container.
FIG. 2 is a half sectional view showing the main part of FIG. 1 in an inverted state.
FIG. 3 is a half sectional view showing the state of FIG.
4 is a half sectional view showing a state in which a cap is removed from the state of FIG. 3;
[Explanation of symbols]
11 ... Main tube 13 ... Saddle-shaped top wall
15 ... Saddle hole 16 ... Guide tube
17 ... Pouring tube 20 ... Air circulation groove
31 ... Sliding cylinder member 33 ... Lower cylinder part
35 ... Seal part 36 ... Upper tube part
37… Small piston 38… Outward flange
40 ... Liquid passage hole 51 ... Cap
54 ... Reduction cylinder

Claims (4)

A container body 1 that stands up the mouth-and-neck portion 2 and a peripheral wall 12 that is non-rotatable and water-tightly fitted to the mouth-and-neck portion are suspended from the outer peripheral portion of the bowl-shaped top wall 13 and the inner peripheral portion of the top wall The guide tube 16 from the outer periphery and the extraction tube 17 from the outer periphery, the main tube 11 standing up, and the lower tube portion 33 of the tube portion are passed through the bowl-shaped hole 15 of the bowl-shaped top wall 13, A seal portion 35 having a larger outer diameter than the bowl-shaped hole is suspended from the outer periphery of the bottom plate 34 that closes the lower end surface of the lower cylinder portion, and a small diameter piston 37 is provided on each outer surface of the lower end portion and the intermediate portion of the upper cylinder portion 36. The large diameter piston 39 is attached via the outward flange 38, the small diameter piston is fitted to the inner surface of the guide cylinder 16, and the large diameter piston 39 is fitted to the inner surface of the dispensing cylinder 17, A sliding cylinder member 31 that is vertically movable with respect to the main cylinder 11 and is biased upward, and an outer cylinder 53 that is fitted from the outer periphery of the top panel 52 to the outer surface of the extraction cylinder 17 and the top panel From the surface, it makes the sliding cylinder member 31 through the outer tube 53 downward at an outward flange 38 to depress pressure cylinder 54 at the lower end surface, from each hanging cap 51., sliding cylinder member by the pressure cylinder In the pushed down state, when the liquid passage hole 40 is drilled in the lower cylindrical portion located below the bowl-shaped top wall 13, and when the sliding cylindrical member 31 is raised to the upper limit by removing the cap 51, the seal portion 35 is The small-diameter piston 37 is in contact with the lower edge of the bowl-shaped hole 15, and the small-diameter piston 37 is in contact with the upper inner surface of the guide cylinder 16, and the large-diameter piston 39 is in contact with the intermediate inner surface of the dispensing cylinder 17. The upper end surface is provided below the upper end surface of the dispensing cylinder 17 and the annular measuring chamber 63 is formed by the portion of the upper cylinder portion 36 above the outward flange 38 and the dispensing cylinder 17. Liquid measuring container characterized by. The pouring cylinder 17 is formed by an inner / outer double cylinder comprising an outer cylinder 17a standing from the bowl-shaped top wall 13 and an inner cylinder 17b tightly fitted to the inner surface of the outer cylinder, and an inner / outer cylinder contact surface The air flow groove 20 is provided vertically in any one of the above, and the gap space between the guide tube 16 and the extraction tube 17 communicates with the outside air through the groove. Liquid weighing container. The liquid measuring container according to claim 1 or 2, wherein a metal coil spring (41) for urging the sliding cylinder member is provided between the guide cylinder (16) and the dispensing cylinder (17). 4. The liquid measuring container according to claim 1, wherein the dispensing cylinder 17 is a male threaded cylinder and the outer cylinder 53 is a female threaded cylinder.

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