JP2002080077A - Aerosol vessel with shoulder cover having residual gas discharging mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an aerosol vessel with a shoulder cover which prevents any wrong operation during the service and has a residual gas discharging mechanism. SOLUTION: In this aerosol vessel with the shoulder cover having the residual gas discharging mechanism, a locking member 9 formed on a flat part 6 can be folded and locked to a recessed part 3 of a pressing part 4 by continuously pressing the pressing part 4 when discharging the residual gas so that a stem 1 and a movable body 8 can be maintained in a pressed condition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aerosol container with a shoulder cover having a residual gas discharging mechanism, and more particularly, to an improvement in the residual gas discharging mechanism.

[0002]

2. Description of the Related Art Conventionally, if the contents stored in an aerosol container are used and then discarded with the gas remaining in the aerosol container, an accident such as an explosion may occur. For this reason, conventionally, an aerosol container provided with a residual gas discharging mechanism has been proposed. As a conventional aerosol container with a shoulder cover provided with a residual gas discharge mechanism, there is one as shown in FIGS.

A shoulder cover 53 having a nozzle mechanism 52 is fitted to the neck 51 of the aerosol container 50. In the fitting structure of the shoulder cover 53 to the aerosol container 50, the inner cylinder 54 of the shoulder cover 53
The shoulder cover 53 is fixed by being fitted in the groove 55 formed in the shoulder cover 53. Then, by pressing the pressing portion 56 of the aerosol container 50 with a finger, the stem 57 of the aerosol valve is opened, and the contents can be ejected from the nozzle mechanism to the outside.

When the contents in the aerosol container 50 are exhausted and the aerosol container 50 is discarded, the pressing portion 5
6 is pressed harder than in normal use. Then, the pressing portion 56
Corner portion 56a firmly engages with the engaging portion 60 formed on the locking wall 59 erected on the flat portion 58 of the shoulder cover 53 (see FIG. 10). In this case, even if the pressing by the finger is released, the nozzle mechanism 52 and the stem 57 maintain the pressed state, so that all the residual gas in the aerosol container 50 is automatically discharged to the outside.

[0005]

However, in such an invention, if the pressing portion 56 is pressed too strongly with a finger during normal use, the corner 56a of the pressing portion 56 and the locking wall 59 There is a disadvantage that the contents and gas are all ejected to the outside when the engaging portion 60 is engaged. In order to prevent this erroneous operation, the nozzle mechanism 52 during normal use is used.
Nozzle mechanism 5 so that the
The connecting portion 61 between the 2 and the plane portion 58 needs strong rigidity. Further, it is necessary to consider the material of the shoulder cover 53 and the thickness of the connecting portion 61 so that an erroneous operation does not occur, which is very troublesome.

The present invention has been made in view of such a conventional problem, and prevents a residual gas discharge mechanism from being operated due to an erroneous operation during normal use.
Selection of resin for molding the shoulder cover and thickness of the connecting portion 61,
It is an object of the present invention to propose an aerosol container with a shoulder cover provided with a residual gas discharging mechanism that does not need to consider rigidity and can easily perform a residual gas discharging operation.

[0007]

Means for Solving the Problems In order to solve this problem, means corresponding to the first aspect of the present invention has a pressing portion fitted to a stem and having a nozzle portion and a concave portion, and a groove portion. A movable body separated from the flat portion and connected to the flat portion only at the connecting portion, a locking member erected on the flat portion, and a residual gas discharging mechanism including a cover portion covering an upper portion of the can main body are provided. In the aerosol container with the shoulder cover, when the residual gas is discharged, the pressing portion is continuously pressed, so that the stem and the movable body can be maintained in the pressed state. An aerosol container with a shoulder cover provided with a residual gas discharge mechanism, wherein the stop member can be bent and locked.

According to a second aspect of the present invention, there is provided a button body which is fitted to a stem and has a flange formed on the outer periphery of a lower end, a locking member provided on a flat surface, and an upper portion of a can body. An aerosol container with a shoulder cover having a residual gas discharging mechanism composed of
By continuously pressing the flange of the button body, the locking member formed on the flat part can be bent and locked to the flange so that the stem and the button body can be maintained in the pressed state. An aerosol container with a shoulder cover provided with a residual gas discharge mechanism.

According to a third aspect of the present invention, there is provided means, wherein the locking member for locking the concave portion or the flange portion includes a hinge body connected to the flat portion, a locking portion main body bent and locked, and An aerosol container with a shoulder cover provided with a residual gas discharge mechanism, characterized in that the aerosol container is provided with a locking piece which is provided on both sides of the locking portion main body and is engaged with an edge of the flat portion when locked. is there.

According to a fourth aspect of the present invention, there is provided an aerosol container with a shoulder cover provided with a residual gas discharging mechanism, wherein a locking member storage portion for storing a locking member is provided in a cover portion. is there.

[0011]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 5 are drawings showing a first embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention. In the first embodiment, as a schematic configuration, a movable body 8 fitted to the stem 1 of a can body 12 and connected to the movable body 8 by a connecting portion 7 are provided.
And a cover unit 10 that covers the upper part of the device. The movable body 8 is composed of the nozzle part 2 and the pressing part 4 in which the concave part 3 is formed, and the cover part 10 has the groove part of the neck part 13 so as to cover the whole upper part of the neck part 13 of the can body 12. 11
An outer cylinder 15 formed outside of the inner cylinder 14 and having an outer diameter substantially equal to the outer diameter of the can body 12;
And a flat portion 6 that covers from above.

FIGS. 3 and 4 are enlarged perspective views showing details of the locking member 9. The locking member 9 has a channel shape in cross section, and is integrally formed on the plane portion 6 so as to be bent by the hinge 16. And, this locking part main body 17
A locking piece 18 having a V-shaped cross section, which is engaged with the edge 19 of the flat surface portion 6 when bent and locked, is protrudingly provided on both sides. The cross-sectional shape of the locking member 9 may be a rectangular parallelepiped or the like in addition to the V-shape.

FIGS. 6 to 8 are views showing a second embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention. In the second embodiment, as a schematic configuration, a button body 24 fitted to the stem 23 of the can body 20 and a cover portion 27 covering the upper part of the can body 20 are provided. The button body 24 is composed of a spout 25 communicating with the stem 23 and a flange 26 formed on the outer periphery of the lower end. The cover 27 is formed outside the inner cylinder 30 so as to fit into the groove 22 of the neck 21 so as to cover the entire upper part of the neck 21 of the can 20. It comprises an outer cylinder 31 having substantially the same outer diameter as the diameter, and a flat portion 29 covering the stem 23 from above. This second
In the embodiment, the locking member 28 is the same as in the first embodiment.

FIG. 9 is a drawing showing a third embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention. The feature of the third embodiment lies in the fitting structure between the cover part 40 and the can 20. That is, the inner cylinder 41 of the cover part 40 is fitted outside the beat part 43 of the can body 20. Other structures are the same as in the second embodiment.

FIGS. 10 and 11 are cross-sectional views showing the fourth and fifth embodiments, wherein locking member storage portions 45 and 46 are formed on the cover portions 10 and 27, respectively, and the locking members 9 and 28 are formed. Can be stored in the locking member storage portions 45 and 46 when they are not used. Thereby, the locking members 9 and 28
Can be prevented from hindering the pressing operation.

Next, the operation of the present invention will be described.
When the aerosol container is discarded after using the contents stored in the aerosol container, the locking members 9 and 28 erected on the flat portions 6 and 29 are hinged by the hinge body 16 as shown in FIG. When folded down in the direction, the locking portion main body 17 is inserted into the concave portion 3 formed in the pressing portion 4 or the flange portion 26 of the button body 24.
Engage. Then, at this time, the edge 1 of the flat portions 6 and 29
Since the locking piece 18 is engaged with the locking member 9, the locking portion main body 17 cannot be returned to the original standing position, and is fixed in a lying state. When the locking members 9 and 28 are stored in the locking member storage portions 45 and 46, the locking members 9 and 28 are moved to the locking member storage portions 45 and 46 as shown in FIG.
And engages with the recess 3 or the flange 26 of the button body 24. Accordingly, the pressing portion 4 or the flange portion 26 is pressed by the locking portion main body 17, and all the residual gas in the aerosol container is discharged to the outside.

[0017]

As described above, according to the present invention, during normal use, the residual gas discharge mechanism does not operate due to erroneous operation. In addition, there is no need to consider the material and rigidity of each part of the shoulder cover, and there is an effect that the residual gas discharging operation can be easily performed.

[Brief description of the drawings]

FIG. 1 is a plan view showing a first embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention.

FIG. 2 is a sectional view showing a first embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention.

FIG. 3 is a perspective view of the aerosol container with a shoulder cover provided with the residual gas discharging mechanism according to the present invention, showing a state in which a locking member is provided upright;

FIG. 4 is a perspective view showing a state in which a locking member of the aerosol container with a shoulder cover provided with the residual gas discharging mechanism according to the present invention is in a down position.

FIG. 5 is a sectional view showing a pressed state in the first embodiment of the aerosol container with a shoulder cover provided with the residual gas discharging mechanism according to the present invention.

FIG. 6 is a sectional view showing a second embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention.

FIG. 7 is a cross-sectional view showing a pressed state in a second embodiment of the aerosol container with a shoulder cover provided with the residual gas discharging mechanism according to the present invention.

FIG. 8 is a perspective view showing a second embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention.

FIG. 9 is a cross-sectional view showing a third embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention.

FIG. 10 is a sectional view showing a fourth embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention.

FIG. 11 is a sectional view showing a fifth embodiment of an aerosol container with a shoulder cover provided with a residual gas discharging mechanism according to the present invention.

FIG. 12 is an enlarged cross-sectional view showing a locking member and a locking member storage section in a fifth embodiment of the present invention.

FIG. 13 is a sectional view showing a conventional aerosol container with a shoulder cover provided with a residual gas discharging mechanism.

FIG. 14 is a perspective view showing a conventional aerosol container with a shoulder cover provided with a residual gas discharging mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 23 Stem 2 Nozzle part 3 Concave part 4 Pressing part 5 Groove part 629 Flat part 7 Connecting part 8 Movable body 9 28 Locking member 10 27 40 Cover part 12 20 Can body 16 Hinge body 17 Locking part main body 18 Locking piece 19 Edge 24 Button body 26 Flange 45 46 Locking member storage

Claims (4)

[Claims] A movable member which is fitted to the stem, has a nozzle portion and a concave portion formed therein, is separated from the flat portion by the groove portion, and is continuous with the flat portion only at the connecting portion; In an aerosol container with a shoulder cover provided with a residual gas discharge mechanism including a standing locking member and a cover portion covering an upper portion of a can body, the pressing portion is continuously pressed when the residual gas is discharged. Thereby, a locking member formed on the flat portion can be bent and locked in the concave portion of the pressing portion so that the stem and the movable body can be maintained in a pressed state. Aerosol container with shoulder cover provided. 2. A residual body comprising a button body fitted to a stem and having a flange formed on the outer periphery of a lower end, a locking member erected on a flat surface, and a cover covering an upper part of the can body. In the aerosol container with a shoulder cover provided with a gas discharge mechanism, by continuously pressing the flange of the button body at the time of discharging residual gas, the stem and the button body can be maintained in a pressed state. An aerosol container with a shoulder cover provided with a residual gas discharging mechanism, wherein a locking member formed on a flat portion can be bent and locked. 3. The locking member that locks with the concave portion or the flange portion includes a hinge body that is connected to the flat portion, a locking portion main body that is bent and locked, and a protrusion protruding from both sides of the locking portion main body. 3. An aerosol container with a shoulder cover provided with a residual gas discharge mechanism according to claim 1, wherein the aerosol container is provided with a locking piece that is provided and engages with an edge of the flat portion when locked. 4. A cover member is provided with a locking member storage portion for storing a locking member in the cover portion.
An aerosol container with a shoulder cover provided with the residual gas discharge mechanism according to the above.