JP4789643B2 - Residual content discharge device for aerosol container - Google Patents

Description

  The present invention relates to an aerosol container residual content discharge device for discharging the entire residual content when an aerosol product is discarded.

  Conventionally, when an aerosol product is discarded after the contents filled in the aerosol container are used, if the contents are left in the aerosol container, it may cause a problem such as an explosion accident due to expansion of the injection gas. was there. Therefore, as shown in Patent Document 1, a residual content discharge device for discharging the entire content remaining in the aerosol container has been proposed.

The residual content discharging apparatus described in Patent Document 1 removes a push button connected to a stem when discharging the content, and a locking rod protruding from the stem fitting hole of this push button to the center of the inner surface of the overcap And fixedly arranged. Then, when the overcap is connected to the upper end of the aerosol container, the top surface of the push button arranged on the inner surface of the overcap as described above contacts the stem and presses the stem, and the residual content is maintained while maintaining the pressed state of the stem. Are to be discharged.
Japanese Patent Laid-Open No. 9-40045

  However, the residual content discharging apparatus described in Patent Document 1 is related to the stem fitting hole when the small push button is fixed to the locking rod formed in the inner surface of the overcap via the stem fitting hole. It was difficult to perform the fixing work while visually confirming the fitting position with the stop rod, and the stem fitting hole had to be fitted to the locking rod almost by hand. In the case of an overcap having a small inner diameter, the fingertip must be inserted deep inside the narrow overcap, which makes it difficult to fix the push button.

  Therefore, the present invention is intended to solve the above-described problems, and is intended to simplify switching between normal injection and injection for discharging residual contents.

  In order to solve the above-described problems, the present invention has a one-touch cap in which an inner peripheral wall is integrally connected to the outer peripheral wall via an upper wall on the inner side of an outer peripheral wall removably connected to an aerosol container. In the one consisting of a push button arranged in the inner peripheral wall of the one-touch cap, the one-touch cap has an outer opening and an inner opening that can communicate with the injection port of the push button penetratingly formed on the outer peripheral wall and the inner peripheral wall, respectively. A slit is formed in the upper wall direction from the lower end of the inner peripheral wall, and an engagement protrusion that is slidably engaged with the slit is provided on the stem connection side of the outer periphery of the push button. Attach the push button to the one-touch cap with the engaging projection of the push button engaged with the slit on the inner wall, connect the lower end of the one-touch cap to the aerosol container, and press the push button By connecting the push button and the stem and pressing the top surface of the push button against the urging force of the stem, the contents can be ejected to the outside from the injection opening of the push button through the inner opening and the outer opening. In addition, when discharging the residual contents, the one-touch cap is removed from the aerosol container together with the push button, the push button in the one-touch cap is pulled out and the top surface is disposed on the stem side, and the engagement protrusion of the push button is slit on the inner peripheral wall. The top surface of the push button with the engagement protrusion of the push button locked to the bottom of the slit of the inner peripheral wall by connecting the bottom end of the one touch cap to the aerosol container. Presses the stem to maintain the jetting state of the contents and allows the residual contents to be discharged.

  The contents may contain at least one of liquefied petroleum gas, dimethyl ether, nitrogen, carbon dioxide, and isopentane used as a propellant.

  The present invention is configured as described above, and includes a one-touch cap and a push button. During normal ejection, the push button is pressed with a finger or the like so that the contents can be ejected to the outside through the one-touch cap. And, when discharging the residual contents, the push button is arranged on the one-touch cap so that the top surface of the push button is located on the stem side, and the one-touch cap is connected to the aerosol container, thereby maintaining the injection state of the contents. The entire contents can be discharged. Therefore, it is possible to obtain an aerosol container equipped with a one-touch cap capable of surely discharging the entire amount of the contents without inadvertently injecting the entire amount during normal injection at a simple configuration and at low cost. Can do.

  In addition, the push button is configured to be used by being mounted in the inner peripheral wall of the one-touch cap, thereby facilitating the mounting of the push button on the one-touch cap and the removal of the push button from the one-touch cap. Therefore, it is possible to easily switch between normal injection and injection for discharging residual contents.

  In the following, an embodiment of the present invention will be described with reference to FIGS. 1 to 5. (1) is a one-touch cap, and a ridge (3) is provided near the lower end of the inner surface of a cylindrical outer peripheral wall (2). ing. Then, by engaging the protrusion (3) with the outer periphery of the mounting cup (5) of the aerosol container (4) as shown in FIG. 3, the one-touch cap (1) can be connected to the aerosol container (4). It is supposed to be.

  In this embodiment, as described above, the one-touch cap (1) is engaged with the outer periphery of the mounting cup (5). However, in other different embodiments, the protrusion (3) of the one-touch cap (1) is provided. Engaging with the outer periphery of a tightening portion (not shown) between the eyeglass portion and the trunk portion constituting the aerosol container (4) or engaging with the shoulder cover constituting the aerosol container (4) Is also possible. A cylindrical inner peripheral wall (6) is integrally connected to the outer peripheral wall (2) via an upper wall (7) inside the outer peripheral wall (2).

  As shown in FIG. 2, a circular outer opening (8) is formed through the outer peripheral wall (2), and a circular inner opening is formed in the inner peripheral wall (6) at a position corresponding to the outer opening (8). An opening (10) is formed through. Further, on both sides of the inner opening (10) of the inner peripheral wall (6), a substantially rectangular slit (11) is formed from the lower end of the inner peripheral wall (6) toward the upper wall (7). Further, on the opposite side of the one-touch cap (1) from the side on which the outer opening (8) and the inner opening (10) are formed, as shown in FIG. It is recessed and communicates with the inner surface of the inner peripheral wall (6). Further, as shown in FIG. 2, a pair of lower end protrusions (13) are provided at opposite positions on the lower end of the inner surface of the inner peripheral wall (6).

  Further, as shown in FIG. 3, in the inner peripheral wall (6) of the one-touch cap (1) formed as described above, a substantially cylindrical push button (14 having an outer diameter smaller than the inner diameter of the inner peripheral wall (6). ). The push button (14) forms an injection port (16) for contents on the outer periphery, and the injection port (16) can be communicated with the stem (17) of the aerosol container (4) via the communication tube (18). It is supposed to be.

  Further, when the push button (14) is attached to the one-touch cap (1) and connected to the aerosol container (4), by pressing the push button (14), as shown in FIG. (18) is connected to the stem (17) of the aerosol container (4), and the injection port (16) of the push button (14) communicates with the outer opening (8) and the inner opening (10) of the one-touch cap (1). Thus, the formation positions of the communication cylinder (18) and the injection port (16) of the push button (14) are adjusted. Further, a top plate (20) is provided at the upper end of the push button (14), and, as shown in FIG. 2, a one-touch cap (1) is provided in the lower end direction of the side wall (15) on the connecting side of the stem (17). ) Are slidably engaged with the slits (11), and are respectively provided at positions corresponding to the slits (11) so as to be engaged with the slits (11).

  In the configuration as described above, at the time of normal injection, as shown in FIG. 3, the top plate (20) of the push button (14) is disposed on the upper wall (7) side of the one-touch cap (1) and the push button (14 ) Are arranged on the outer opening (8) and inner opening (10) side, the push button (14) is moved from the lower end side of the inner peripheral wall (6) of the one-touch cap (1) to the inner peripheral wall (6). ).

  By disposing the push button (14) on the one-touch cap (1) as described above, the engagement protrusion (21) of the push button (14) is engaged with the slit (11) of the inner peripheral wall (6) and the push button ( Since the lower end of 14) can come into contact with the lower end protrusion (13) of the one-touch cap (1), the push button (14) is disposed in the one-touch cap (1) so that it is difficult to come off. Storage, transportation, and connection to the aerosol container (4) in the state attached to (1) become possible.

  Then, by connecting the one-touch cap (1) equipped with the push button (14) as described above to the aerosol container (4), as shown in FIG. 3, the protrusion (3) provided at the lower end on the inner surface of the one-touch cap (1). ) Engages with the outer periphery of the mounting cup (5) of the aerosol container (4), and the one-touch cap (1) is detachably fixed to the aerosol container (4).

  Further, by pressing the push button (14) attached to the one-touch cap (1), the communication tube (18) of the push button (14) is connected to the stem (17) of the aerosol container (4) and the push button (14). The injection port (16) is disposed in communication with the outer opening (8) and the inner opening (10) of the one-touch cap (1). Further, as shown in FIG. 4, the engaging protrusion (21) of the push button (14) is slidable in the vertical direction within the slit (11) of the one-touch cap (1).

  And in order to perform the normal injection of the aerosol contents, a finger is put on the finger resting portion (12) of the one-touch cap (1) and the push button (14) is pressed against the urging force of the stem (17). The stem (17) is pushed down, and a valve mechanism (not shown) in the aerosol container (4) is opened. Then, the contents stored in the aerosol container (4) pass through the communication tube (18) of the stem (17) and the push button (14), and the injection port (16), the inner opening (10) and the outer opening (8). It is injected to the outside through. Note that the injection port (16) of the push button (14) slides toward the aerosol container (4) with the push button (14) being pressed, but after the sliding, the inner opening (10) of the one-touch cap (1) still remains. ) And the outer opening (8), the position is adjusted in advance.

  When the pressing of the push button (14) is released, the stem (17) is restored to the original position, the valve mechanism is closed, and the injection of contents is stopped. Thus, during normal injection, the content cannot be continuously injected unless the push button (14) is continuously pressed, and injection can be reliably stopped by releasing the press of the push button (14). . Therefore, there is no situation where the injection state is maintained even after the push button (14) is released.

  Next, the discharge of the remaining contents when the aerosol injection (4) is discarded after the injection of the contents during the normal injection will be described below. First, the one-touch cap (1) together with the push button (14) is applied to the aerosol. Remove from the container (4) and pull out the push button (14) mounted in the one-touch cap (1) from the inner peripheral wall (6). This extraction is performed by slightly pushing the inner peripheral wall (6) outward and releasing the engagement between the lower end protrusion (13) and the push button (14).

  As shown in FIGS. 1 and 5, the direction of the push button (14) is turned upside down from that during normal injection, the lower end is directed to the upper wall (7) side of the one-touch cap (1), and the push button (14) The engaging protrusion (21) is engaged with the slit (11) of the inner peripheral wall (6) of the one-touch cap (1), and the push button (14) is mounted again in the inner peripheral wall (6).

  As described above, when the one-touch cap (1) is inserted into the inner peripheral wall (6), the fingers are placed outside the one-touch cap (1) without inserting the fingers into the one-touch cap (1) having a small diameter. The push button (14) can be easily attached to the one-touch cap (1) while the push button (14) attached to the inner peripheral wall (6) is pushed outward on the inner peripheral wall (6). Therefore, the switching operation between the normal injection and the injection for discharging the residual content can be simplified.

  By attaching the push button (14) to the one-touch cap (1) as described above, the top surface (22) of the push button (14) is positioned on the lower end side of the one-touch cap (1). When the lower end of the one-touch cap (1) is brought close to the mounting cup (5) of the aerosol container (4), the top surface (22) of the push button (14) located on the lower end side of the one-touch cap (1) While abutting on the stem (17) of the aerosol container (4), the push button (14) slides in the direction of the upper wall (7) along the inner peripheral wall (6) of the one-touch cap (1). Then, as shown in FIG. 1, the engaging projection (21) of the push button (14) is locked at the bottom (23) of the slit (11).

  When the one-touch cap (1) is further moved closer to the mounting cup (5), the push button (14) is engaged with the engagement protrusion (21) of the push button (14) being locked to the bottom (23) of the slit (11). The top surface (22) presses the stem (17) against the urging force. When the stem (17) is pressed, the valve mechanism is opened, and the remaining contents are ejected from the stem (17), and are exposed to the outside through the inner peripheral wall (6), the inner opening (10) and the outer opening (8). Discharged. In such a state, as shown in FIGS. 1 and 5, the protrusion (3) of the one-touch cap (1) is engaged with the upper end of the mounting cup (5) of the aerosol container (4).

  Thereby, since the one-touch cap (1) is connected and fixed to the mounting cup (5) of the aerosol container (4), the pressing state of the stem (17) by the push button (14) is continued. Therefore, the injection state of the contents is maintained, and it is possible to reliably discharge the entire remaining contents in the aerosol container (4). As described above, it is possible to prevent an explosion accident or the like of the aerosol container (4) that may occur at the time of disposal of the aerosol product by enabling the reliable full injection.

  In addition, as described above, it is possible to obtain an aerosol product that includes the one-touch cap (1) and can easily discharge the entire remaining content at a simple configuration and at low cost. In addition, since the push button (14) is attached to the one-touch cap (1) and the push button (14) is detached from the one-touch cap (1) as described above, normal injection and residual contents are discharged. Can be easily switched.

  The contents in the aerosol container (4) used in this example contain liquefied petroleum gas as a propellant.

  Moreover, the residual content discharging apparatus of the aerosol container (4) of the present invention includes hair products, cosmetics, deodorants and antiperspirants, other human body products, insecticides, coating agents, cleaners, other household products, and industrial products. It can be used for aerosol products such as automobile supplies and foods. And as hair products, hair spray, hair treatment, hair styling foam, hair shampoo / rinse, acid hair dye, oxidized type 2 type permanent hair dye, color spray / bleaching agent, permanent agent, hair restorer, hair art It can be used for bed rest spray, hair fragrance and the like.

  Further, as cosmetics, it can be used for shaving foam, aftershave lotion, perfume / eau de cologne, face wash, sunscreen, foundation, hair removal / bleaching agent, bath preparation and the like.

  Moreover, as a deodorant and antiperspirant, it can be used for an antiperspirant, a deodorant, a body shampoo, etc. In addition, as other human body products, it is used for muscle anti-inflammatory agents, skin disease preventive agents, skin disease therapeutic agents, athlete's foot drugs, pest repellents, wiping agents, oral cleansing agents, oral toothpastes, wounds, burns be able to.

  Moreover, as an insecticide, it can be used for a space insecticide, a cockroach insecticide, a gardening insecticide, an acaricide, an unpleasant insect insecticide, etc. Moreover, as a coating agent, it can be used for household paints, automobile paints, undercoating and the like.

  The cleaner can be used for glass cleaners, hard surface cleaners, bath cleaners, floor / furniture polish cleaners, shoe / leather cleaners, wax polishers, and the like. Further, as other household products, they can be used for indoor deodorants, toilet deodorants, waterproofing agents, laundry glue, herbicides, clothing insecticides, flameproofing agents, disinfectants, and the like.

  In addition, for industrial use, it can be used for lubricating rust preventives, adhesives, metal flaw detection agents, mold release agents, caulking agents, and the like. In addition, for automobiles, it can be used for anti-fogging agents, anti-icing agents, engine cleaners and the like. In addition, it can be used for animal goods, hobby entertainment goods, foods such as coffee, juice, cream, cheese and the like.

Sectional drawing of the front side which shows the residual content discharge | emission state which shows one Example of this invention. The exploded perspective view of a pushbutton and a mounting cup. Sectional drawing of the side surface at the time of normal injection. Sectional drawing of the front side at the time of normal injection. Sectional drawing of the side surface at the time of discharge | emission of a residual content.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 One-touch cap 2 Outer peripheral wall 4 Aerosol container 6 Inner peripheral wall 7 Upper wall 8 Outer opening 10 Inner opening 11 Slit 14 Push button 15 Side wall 16 Injection port 17 Stem 21 Engagement protrusion 22 Top surface 23 Bottom

Claims (2)

  From the inner wall of the outer peripheral wall, the lower end of which is detachably connected to the aerosol container, a one-touch cap that connects the inner peripheral wall integrally with the outer peripheral wall via the upper wall, and a push button disposed in the inner peripheral wall of the one-touch cap The one-touch cap includes an outer opening and an inner opening that can communicate with the injection port of the push button in the outer peripheral wall and the inner peripheral wall, and a slit in the upper wall direction from the lower end of the inner peripheral wall. In addition, an engaging projection that slidably engages with the slit is provided on the stem coupling side of the outer periphery of the push button. During normal injection, the engaging projection of the push button is formed on the slit on the inner peripheral wall. Attach the push button to the one-touch cap in the engaged state, connect the lower end of the one-touch cap to the aerosol container and press the push button to connect the push button and the stem. By pressing the surface against the urging force of the stem, the contents can be ejected to the outside through the inner opening and the outer opening from the injection port of the push button. Remove from the aerosol container together with the push button, pull out the push button in this one-touch cap and place the top surface on the stem side, engage the push button engagement protrusion with the slit on the inner peripheral wall, and reattach it to the one-touch cap. By connecting the lower end of the one-touch cap to the aerosol container, the top surface of the push button presses the stem to maintain the injection state of the contents while the engagement protrusion of the push button is locked to the bottom of the slit on the inner peripheral wall And the residual content discharge apparatus of the aerosol container characterized by enabling discharge of the residual content. The residual content discharge device for an aerosol container according to claim 1, wherein the content contains at least one of liquefied petroleum gas, dimethyl ether, nitrogen, carbon dioxide, and isopentane used as a propellant.

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