JP4829735B2 - Aerosol container injection device - Google Patents

Description

  The present invention relates to an aerosol container injection apparatus.

  In many of the aerosol containers, an injection member is coupled to the stem of the aerosol valve. When the user presses the injection member, the valve is opened through the stem, and the contents of the aerosol container are injected from the flow path of the injection member.

On the other hand, in the aerosol container described in Patent Document 1, the base member is fixed to the aerosol container, the protrusion on the outer periphery of the protective member is engaged with the downward guide circumferential groove provided on the base member, and the protective member is rotated. The protection member is rotated and lowered by causing the protrusion of the protection member to follow the downward guide circumferential groove of the base member, and the injection member is pushed down by the protection member.
JP2002-320885

The aerosol container injection device described in Patent Document 1 has the following problems.
(1) The user needs to lower the protective member as well as rotate it, and the operability when operating the protective member with the fingertip of one hand holding the aerosol container is poor.

  (2) Engagement of the projection of the protective member and the guide circumferential groove of the base member is performed only at one place in the circumferential direction, and the operability of smoothly rotating and lowering the protective member without any shame is poor.

  (3) The operation part provided on the protection member is provided on the upper end side of the protection member away from the aerosol container, and the fingertip of one hand holding the aerosol container is difficult to reach the operation part, and the operation part after holding the aerosol container In order to operate, it is necessary to change the aerosol container.

  The subject of this invention is improving the injection operativity of an aerosol container.

  Another object of the present invention is to make it possible to easily perform an injection operation without holding an aerosol container.

  The invention of claim 1 is an aerosol container injection device for injecting the contents of an aerosol container by depressing an injection member coupled to an aerosol valve stem, the base member being fixed to the aerosol container, The rotating body is rotatably supported by the provided rotation guide, the protrusion provided on the injection member is engaged with the oblique guide provided on the rotation body, and the injection member is prevented from rotating on the rotation prevention portion provided on the base member. Thus, it can be moved only in the pressing direction.

  The aerosol container 10 of Example 1 in FIGS. 1 and 2 includes an injection member 30 provided with an aerosol valve 20 at the upper end opening of a container body 11 enclosing the contents and coupled to a stem 21 of the aerosol valve 20. The injection member 30 is pressed to enable the contents to be injected.

  As the container body 11 of the aerosol container 10, a single structure container, a double structure container, a piston type container, or the like can be adopted. Moreover, as the container main body 11, pressure-resistant containers, such as a metal container, a resin container, and a glass container, are employable.

  Although it does not specifically limit as the aerosol valve 20, Although the mounting cup 22 is attached to the upper-end opening part of the container main body 11 via the sealing member, what provided the injection valve inside the mounting cup 22 is employable. The injection valve includes a housing, a stem 21 provided in the housing and provided with a communication hole, a spring that biases the stem 21 outward, and an outer periphery of the stem 21 so as to be sandwiched between the housing and the mounting cup 22. It consists of stem rubber.

  The injection member 30 includes an injection nozzle 31 that communicates with the communication hole of the stem 21. Although it does not specifically limit to the injection nozzle 31 of the injection member 30, The comb 32 provided with the flow path 32A can be connected.

  The aerosol container 10 fixes an annular base member 40 to the outer periphery of the mounting cup 22. The base member 40 includes a rotation guide 41 formed of a concave groove (or ridge) continuous in the circumferential direction on the outer periphery. Further, the base member 40 has an anti-rotation portion 42 provided with an oblong anti-rotation guide 42A that protrudes upward from a part of the upper end surface and extends in the vertical direction.

  The aerosol container 10 supports the rotating body 50 on the rotation guide 41 of the base member 40 so as to be rotatable (including a rotation angle not exceeding 360 degrees such as 15 degrees and 30 degrees). The rotating body 50 is not particularly limited, but has a cup-like shape, and includes a ridge (or groove) 51 that is continuous in the circumferential direction on the inner periphery of the lower end opening. The rotation guide 41 is fitted. When the ridge 51 of the rotator 50 is fitted into the rotation guide 41 of the base member 40, the rotator 50 covers the joint portion of the stem 21 and the injection member 30 and injects the central hole in the ceiling of the rotator 50. The injection nozzle 31 of the member 30 is inserted and protrudes upward. The rotating body 50 may be rotatably supported by the rotation guide 41 of the base member 40 at at least two locations in the circumferential direction, preferably at a plurality of locations arranged at equal intervals in the circumferential direction. The rotating body 50 of the present invention is rotatably supported by the rotation guide 41 of the base member 40 over the entire circumference in the circumferential direction.

  The aerosol container 10 includes two arm-shaped projecting portions 30A and 30B that project from the outer periphery of the injection member 30 in the diametrical direction when the protruding portion 51 of the rotating body 50 is fitted to the rotation guide 41 of the base member 40. Is engaged with hole-like oblique guides 52A and 52B that are obliquely inclined in one direction with respect to the central axis of the rotating body 50. Then, one protrusion 30 </ b> A of the injection member 30 is inserted into the rotation prevention guide 42 </ b> A of the rotation prevention portion 42 provided on the base member 40. The oblique guides 52 </ b> A and 52 </ b> B are inclined downward in the same direction in one direction along the circumferential direction of the rotating body 50. The projecting portion 30A of the injection member 30 is prevented from rotating by the anti-rotation guide 42A of the base member 40, and can be moved only in the vertical direction (pressing direction) along the anti-rotation guide 42A.

  The rotating body 50 includes a plate-like rotation operation unit 60 that extends downward along the outer periphery of the container body 11 of the aerosol container 10. The rotating body 50 can be rotated by pushing the rotation operation unit 60 with the fingertip of one hand holding the container body 11 of the aerosol container 10.

The aerosol container 10 is used as follows.
(1) A user holds the container body 11 of the aerosol container 10 with one hand, and pushes the rotation operation unit 60 with the thumb in the direction A of FIG.

  (2) The rotating body 50 rotates while being guided from the original position by the rotation guide 41 of the base member 40 (direction B in FIG. 1).

  (3) The oblique guides 52A and 52B of the rotating body 50 press the protrusions 30A and 30B of the injection member 30, and the injection member 30 receiving the pressing force is in the upper end position against the spring force of the aerosol valve 20. To the base member 40 along the anti-rotation portion 42. The protrusions 30A and 30B of the ejection member 30 are pushed down from the upper end side to the lower end side of the oblique guides 52A and 52B of the rotating body 50.

  (4) When the stem 21 combined with the injection member 30 is pushed down and the aerosol valve 20 is opened, the content discharged to the injection member 30 side is reduced by the comb 32 connected to the injection member 30. It is discharged from the flow path 32A.

  (5) When the rotational force applied to the rotating body 50 by the user is released, the injection member 30 returns to the upper end position along the anti-rotation portion 42 of the base member 40 by the spring force of the aerosol valve 20, and the injection member The 30 protrusions 30A and 30B push back the oblique guides 52A and 52B of the rotating body 50 to return the rotating body 50 to the original position.

According to the present embodiment, the following operational effects can be obtained.
(Claim 1)
(a) In the aerosol container 10, when the rotating body 50 is rotated, the oblique guides 52 </ b> A and 52 </ b> B of the rotating body 50 press the protrusions 30 </ b> A and 30 </ b> B provided on the injection member 30, and the injection member 30 that receives this pressing force Since the rotation is prevented by the rotation preventing portion 42 of the base member 40, it is pushed along the rotation preventing portion 42. Since the user only needs to rotate the rotator 50 and does not need to lower the rotator 50, the operability applied to the rotator 50 is good, and the spray operability of the aerosol container 10 can be improved. The operability when rotating the rotating body 50 with the fingertip of one hand holding the aerosol container 10 can be improved.

(Claim 2)
(b) The rotating body 50 is rotatably supported by the rotation guide 41 of the base member 40 at at least two places in the circumferential direction. Therefore, the rotating body 50 can be smoothly rotated without rattling.

(Claim 3)
(c) The rotating body 50 is provided with a ridge (or groove) 51 that is continuous in the circumferential direction, and the ridge (or groove) 51 is a rotation guide made of the groove (or ridge) of the base member 40. 41. Therefore, the rotating body 50 can be stably and rotatably supported on the rotation guide 41 of the base member 40.

(Claim 4)
(d) The operation unit 60 of the rotating body 50 is extended to the outer periphery of the aerosol container 10. Therefore, the fingertip of one hand holding the aerosol container 10 can easily reach the operation unit 60, and the injection operation can be easily performed without holding the aerosol container 10 with one hand.

  The difference between the aerosol container 110 of the second embodiment shown in FIG. 3 and the aerosol container 10 of the first embodiment is that the upper end of an oblique guide 52A (same as the oblique guide 52B) obliquely provided in one direction provided on the peripheral wall of the rotating body 50. In addition, the upper ends of the hole-shaped oblique guides 53A (the oblique guides 53B with respect to the oblique guides 52B) that are obliquely symmetrically reversed in line symmetry are associated with each other. In FIG. 3, when the rotation operation unit 60 is pushed in the A1 direction, the rotating body 50 rotates in the B1 direction from the original position, the oblique guide 52A presses the protruding portion 30A of the injection member 30, and the injection member 30 is moved to the upper end. Press from the position. When the rotation operation unit 60 is pushed in the A2 direction, the rotating body 50 rotates in the B2 direction from the original position, the oblique guide 53A presses the protrusion 30A of the injection member 30, and presses the injection member 30 from the upper end position. .

  In the aerosol container 10 (110), the rate of change of the injection amount with respect to the rotational operation angle applied to the rotational operation unit 60 is changed by changing the inclination angle of the oblique guides 52A and 52B (53A) provided on the rotator 50. Can be adjusted.

FIG. 1 is a schematic perspective view showing an aerosol container of Example 1. FIG. FIG. 2 is a schematic cross-sectional view showing an aerosol container. 3 is a schematic perspective view showing an aerosol container of Example 2. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10,110 Aerosol container 20 Aerosol valve 21 Stem 30 Injection member 30A, 30B Protrusion part 40 Base member 41 Rotation guide 42 Anti-rotation part 50 Rotating body 51 Projection part (or groove part)
52A, 52B, 53A Diagonal guide 60 Rotation operation part

Claims (4)

An aerosol container injection device that presses an injection member coupled to an aerosol valve stem to inject the contents of an aerosol container,
Fix the base member to the aerosol container,
A rotating body is rotatably supported by a rotation guide provided on the base member,
Injecting an aerosol container that engages a protrusion provided on the rotating member with an oblique guide provided on the rotating member, and prevents the injection member from rotating about a rotation preventing portion provided on the base member so as to be movable only in the pressing direction. apparatus.   The aerosol container injection device according to claim 1, wherein the rotating body is rotatably supported by a rotation guide of a base member at at least two locations in the circumferential direction.   The said rotary body is provided with the protruding item | line part or ditch | groove part which continues in the circumferential direction, and this protruding item | line part or ditch | groove part is fitted to the rotation guide which consists of a ditch | groove or protruding item | line of a base member. Aerosol container injection device.   The aerosol container injection device according to any one of claims 1 to 3, wherein the rotating body is provided with a rotation operation unit extending on an outer periphery of the aerosol container.

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