JP2012012085A - Measuring cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a measuring cap capable of reducing the number of components.SOLUTION: The measuring cap includes: a spring material 20 for elastically pressing an operation cylinder 30 backward into a cap body 10. Contents of the container can flow into a measuring chamber 33 via the inlet 14 of the cap body 10 and via the bottom opening 35 of the measuring chamber 33 by inverting a container body. The bottom opening 35 of the measuring chamber 33 is closed by the push of the operation cylinder 30, and the top opening 34 of the measuring chamber 33 communicates with the outlet 15 of the cap body 10, thereby causing the container contents in the measuring chamber 33 to flow from the outlet 15. In such a measuring cap, windows 17 are provided at both the left and right sides of the cap body 10, the base end of the spring material 20 is connected integrally with peripheral edges of the windows 17, and tips are engaged with the projection 36 of the operation cylinder 30.

Description

  The present invention relates to a measuring cap used for quantitatively removing the contents of a container body.

  The cap body fitted into the mouth and neck of the container body is provided with an inflow hole and an outflow hole, and the operation cylinder is fitted into the cap body so that it can be pushed against the biasing force of the spring material. A measuring chamber with both upper and lower openings is provided on the control cylinder, and the measuring chamber is connected to the inflow hole and the outflow hole through the opening so that the contents of the container body can flow into the measuring chamber when the container body is inverted. A measuring cap is known as a prior art in which the inflow hole is closed by pushing and the outflow hole is opened, so that the contents of the container in the measurement chamber can flow out of the outflow hole.

JP 2002-166959 A

  However, since the spring material for elastically urging the operation cylinder is separate from other parts, the conventional technique is in conflict with the demand for reduction in the number of parts and ease of assembly.

The present invention has been made to solve the above-described problems, and an object thereof is to provide a measuring cap capable of reducing the number of parts.

In order to solve the above-described problems, the present invention allows a cap body 10 having an inlet 14 and an outlet 15 to be attached to a container body, and an operation cylinder 30 is fitted into the cap body 10 so as to be movable back and forth. A measuring chamber 33 is provided in the operation cylinder 30 through the lower surface opening 35 and the upper surface opening 34 to the inlet 14 and the outlet 15, respectively, and the operation cylinder 30 is elastically ejected rearward. A spring material 20 is provided,
The container body is provided so that the contents of the container body can flow into the measuring chamber 33 through the inlet 14 of the cap body 10 and the lower surface opening 35 of the measuring chamber 33 when the container body is inverted.
By pushing the operating cylinder 30, the lower surface opening 35 of the measuring chamber 33 is closed, and the upper surface opening 34 of the measuring chamber 33 communicates with the outlet 15 of the cap body 10, thereby the container body in the measuring chamber 33. In the measuring cap provided so that the contents can flow out from the outlet 15,
Window portions 17 are provided on the left and right side walls of the cap body 10, and the base end portion of the spring member 20 is integrally connected to the peripheral edge portion of the window portion 17, and the distal end portion is engaged with the operation tube 30. It is characterized by that.

In addition, the present invention is characterized in that a curved portion projecting forward is formed in the spring material 20 and a base end portion of the spring material is connected to a lower surface of the window portion.

Further, according to the present invention, a base end portion of the spring material 20 is formed in a standing portion 21 that stands up from the lower side surface of the window portion 17, and a spring material portion above the standing portion is bent backward 22. And a spring material portion between the bent portion protruding backward and the tip of the spring material is formed in a bent portion 23 protruding forward.

Furthermore, the present invention is characterized in that the bent portion 23 that protrudes forward is bulged obliquely downward.

  Further, according to the present invention, a pair of base end portions 24a and 24b of the spring member 20 bent in a U-shape are integrally connected to the lower surface of the window portion, and the upper and lower intermediate portions of the spring member are projected forward. It is characterized in that it is formed in a bent part.

Furthermore, the present invention is characterized in that the tip of the spring member 20 is engaged with protrusions 36 formed on the left and right side surfaces of the operation cylinder.

Furthermore, the present invention is characterized in that the operation tube 30 is made of a transparent material or a translucent material in which the contents of the container body can be visually recognized.

  Furthermore, the present invention is characterized in that the cap body 10 is made of a material having rigidity and elasticity.

  In the present invention, since the base end portion of the spring member 20 is integrally connected to the peripheral portion of the window portion 17, the spring member can be integrally formed with the cap body 10, and thus the number of parts can be reduced and the assembly can be facilitated. Can be achieved.

Further, according to the present invention, since the spring member 20 is provided with a bent portion that protrudes forward, the load is concentrated on the base end portion of the spring member as a fulcrum even when force is applied to the spring member 20 when the operation cylinder 30 moves back and forth. Therefore, there is no possibility that the base end portion of the spring material is damaged.

Further, according to the present invention, the base end portion of the spring material is formed on the standing portion 21 that stands integrally from the lower side surface of the window portion, and the spring material portion above the standing portion is formed on the bent portion 22 that protrudes backward. At the same time, since the spring material portion between the rearward convex bent portion and the spring material distal end portion is formed in the forward convex bent portion 23, almost a force acts on the base end portion of the spring material. Therefore, the problem that the spring material is broken does not occur.

Further, according to the present invention, since the bent portion protruding forward of the spring material is swelled obliquely downward, the load applied to the base end of the spring material can be reduced.

Further, according to the present invention, since the operation cylinder 30 is made of a transparent material or a semi-transparent material, it is possible to confirm the measurement state of the container contents at the time of measurement.

  Further, according to the present invention, since the cap body 10 is made of a material having rigidity and elasticity, the spring material integrated with the cap body also has the same property, so that an appropriate spring force can be exerted.

  Further, according to the present invention, a pair of base end portions 24a and 24b of a spring material bent in a U-shape are integrally connected to the lower surface of the window portion, and an intermediate portion of the spring material is formed into a bent portion protruding forward. Since it is formed, it is possible to disperse the load applied to the base end portion of the spring material as a fulcrum in two places. Therefore, it is possible to prevent the spring material from being damaged and to be bent in a U-shape. The same effect as that obtained by using a double spring material can be obtained, and thus the spring force can be increased.

(a) It is sectional drawing which follows the FIG.1 (b) AA line of the measuring cap based on this invention. (b) It is the left-right direction side view which made a part a cross section. It is action explanatory drawing which inverted the container body. It is a schematic diagram which shows the modification of a spring material.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. For convenience of explanation, the left-right direction in FIG.

  In FIG. 1, reference numeral 1 denotes a container body, which stands up from the upper end of the trunk part through the shoulder part.

  Reference numeral 10 denotes a cap body, and the mounting cylinder 11 is screwed into the mouth-neck portion of the container body 1, and a housing portion 12 is provided in the left-right intermediate portion of the top surface of the mounting tube 11 to form the lower surface of the housing portion 12. The bottom wall and the top wall forming the top surface of the mounting cylinder 11 are shared by the common wall 13.

  An inflow port 14 is formed on the lower surface of the housing portion 12 in the left-right direction, and an outflow port 15 is formed on the upper surface in the left-right direction. Department 17 is established.

  Reference numeral 20 denotes a spring material, whose base end portion is integrally connected to the peripheral edge portion of the window portion 17, and its distal end portion is engaged with an operation cylinder 30 described later. In the present embodiment, the upright portion 21 as the base end portion is integrally raised from the lower side surface of the window portion 17, and the spring material portion above the upright portion 21 is formed in the bent portion 22 protruding backward, A spring material portion between the bent portion 22 and the spring material tip is formed in a bent portion 23 that protrudes forward. At this time, it is preferable that the bent convex portion 22 protrudes obliquely upward and backward, and the bent convex portion 23 protrudes obliquely downward and forward.

  The spring material 20 is not limited to the above, and may be configured as follows. That is, as shown in FIG. 3, a pair of base end portions 24a and 24b of a spring material bent upward in a U-shape are integrally connected to the lower surface of the window portion 17, and the lower portion of the spring material is moved forward. It is formed in the convex curve part. Therefore, as shown in FIG. 1, the pair of base end portions 24a and 24b do not stand up from the lower side surface of the window portion 17 and are in a state of being in contact with the lower side surface of the window portion.

  In the above description, the base end portion of the spring member 20 is connected to the lower side surface of the window portion 17. However, the base end portion can be connected to the upper side surface of the window portion 17 by inverting the spring member 20.

  The cap body 10 will be further described. The peripheral wall 18 for fitting the tube plug is erected from the periphery of the outlet 15 and the rear surface of the housing portion 12 is opened. In this embodiment, the housing | casing part 12 is made into a box shape. The cap body 10 is preferably formed of a rigid and elastic material such as hard polypropylene.

  Reference numeral 30 denotes an operation cylinder, and a pair of partition plates 32 perpendicular to the axis of the cylinder 31 are provided in the cylinder 31 that is closely fitted in the casing portion 12 so as to move back and forth in a tight manner. The measuring chamber 33 is formed between the pair of partition plates 32, and a part of the cylindrical body 31 between the pair of partition plates is cut away so that the upper and lower openings 34 and 35 The upper and lower surfaces of the weighing chamber 33 are opened by forming a pair of openings, and the upper surface opening 34 is configured to communicate with the outflow port 15 of the housing portion 12, and the lower surface opening 35 is configured to communicate with the inflow port 14.

  Circular protrusions 36 are provided on the outer surfaces of the left and right walls of the operation cylinder 30 in front of the measuring chamber 33, and the rear surface of the tip of the spring material 20 is engaged with the protrusions 36. At this time, a protrusion is provided on the rear surface of the front end of the spring material 20 so that the spring material 20 does not come off the protrusion 36, and this protrusion is engaged with the protrusion 36. In the above description, the protrusion 36 is located inside the U-shaped spring material, but can be located on the outer rear surface of the spring material.

The left and right side surfaces of the weighing chamber 33 are inclined inward, and a box-shaped body 38 having an upper opening is projected from the rear wall of the weighing chamber 33, and the box-shaped body 38 is formed in the pushing portion of the operation cylinder 30. To do. Further, the material of the operation cylinder 30 is preferably a colorless or colored transparent material or translucent material with which the contents of the container can be visually recognized, and the cap body 10 and the operation cylinder 30 are made of synthetic resin.

Next, the operation of this embodiment will be described.
When not in use, as shown in FIG. 1, the operation tube 30 has a rear portion protruding rearward from the cap body 10 and the lower surface opening 35 of the measuring chamber 33 communicates with the inlet 14 of the cap body 10. The upper surface opening 34 of 33 does not communicate with the outlet 15 of the cap body 10.

  In order to take out the contents of the container body quantitatively, the container body 1 may be inverted from the state shown in FIG. Then, the container contents flow into the measuring chamber 33 through the inflow port 14. Next, as shown in FIG. 3, when the operation cylinder 30 is pushed in with the container body inverted, the inlet 14 is closed and the upper surface opening 34 of the measuring chamber 33 communicates with the outlet 15. Body contents flow out through the outlet 15.

  The operation cylinder 30 is elastically biased backward by the spring material 20 provided in the window portion 17 of the housing portion 12 as described above, and therefore, the operation cylinder 30 is biased by the spring material 20 during metering. However, after the dispensing, the operation cylinder 30 is automatically moved backward by the urging force of the spring member 20 and returned to the original position.

As described above, since the bent portion is provided in the spring member 20, even when a force is applied to the spring member 20 when the operation cylinder 30 moves back and forth, the load may be concentrated on the base end portion of the spring member as a fulcrum. Therefore, there is no possibility that the base end portion of the spring material is damaged. In view of the function of such a spring material, it is conceivable to form the spring material 20 separately from the housing portion 12 as in the present invention, but it is possible to reduce the number of parts and ease of assembly. It is necessary to form them integrally from the viewpoint.

  The present invention can be used in the field of measuring caps used for quantitatively removing the contents of a container body.

DESCRIPTION OF SYMBOLS 10 Cap main body 12 Case part inlet 14 Inlet 14
Outlet 15 Outlet 15
17 Window part 20 Spring material 21 Standing part 22 Curved part 23 convex backwards Curved part 30 convex forwards Operation cylinder 33 Measuring chamber 34 Upper surface opening 35 Lower surface opening 36 Projection

Claims (8)

The cap body 10 having the inlet 14 and the outlet 15 is attached to the container body, and the operation cylinder 30 is fitted in the cap body 10 so as to be movable back and forth. A metering chamber 33 that can communicate with each of the outlets 15 via a lower surface opening 35 and an upper surface opening 34 is provided, and a spring material 20 that elastically biases the operation cylinder 30 backward is provided.
The container body is provided so that the contents of the container body can flow into the measuring chamber 33 through the inlet 14 of the cap body 10 and the lower surface opening 35 of the measuring chamber 33 when the container body is inverted.
By pushing the operating cylinder 30, the lower surface opening 35 of the measuring chamber 33 is closed, and the upper surface opening 34 of the measuring chamber 33 communicates with the outlet 15 of the cap body 10, thereby the container body in the measuring chamber 33. In the measuring cap provided so that the contents can flow out from the outlet 15,
Window portions 17 are provided on the left and right side walls of the cap body 10, and the base end portion of the spring member 20 is integrally connected to the peripheral edge portion of the window portion 17, and the distal end portion is engaged with the operation tube 30. A measuring cap characterized by that.   2. The measuring cap according to claim 1, wherein a curved portion projecting forward is formed on the spring member 20 and a base end portion of the spring member is connected to a lower surface of the window portion.   A base end portion of the spring material 20 is formed on a standing portion 21 standing from the lower side surface of the window portion 17, and a spring material portion above the standing portion is formed on a bent portion 22 protruding backward, The measuring cap according to claim 1, wherein a spring material portion between a bent portion protruding backward and the tip end portion of the spring material is formed in a bent portion 23 protruding forward.   The measuring cap according to claim 2 or 3, wherein the bent portion 23 convex forward is bulged obliquely downward.   A pair of base end portions 24a and 24b of the spring material 20 bent in a U-shape are integrally connected to the lower surface of the window portion 17, and the upper and lower intermediate portions of the spring material are formed as bent portions protruding forward. The measuring cap according to claim 1.   6. The measuring cap according to claim 1, wherein the tip end portion of the spring member is engaged with protrusions formed on both left and right side surfaces of the operation cylinder.   7. The measuring cap according to claim 1, wherein the operation cylinder 30 is made of a transparent material or a translucent material in which the contents of the container body can be visually recognized.   The measuring cap according to any one of claims 1 to 7, wherein the cap body (10) is made of a material having rigidity and elasticity.