JP4982696B2 - Operation button for aerosol injector, aerosol injector, and aerosol injector - Google Patents

Description

  The present invention provides a stem fitting hole downward in the center of the button body, and opens outwardly to provide a nozzle fitting hole, and a nozzle member is fitted into the nozzle fitting hole. The present invention relates to an operation button for an aerosol-type injector that has a jet passage formed therein that communicates with a stem fitting hole. The present invention also relates to an aerosol-type injection device that is attached by fitting such an operation button to a valve stem and fitting the tip of the valve stem into the stem fitting hole. In addition, the present invention relates to an aerosol type injector for deodorization, insecticide and the like, in which such an aerosol type injection device is attached to a container.

  Conventionally, in an aerosol type injector, an operation button is attached to a valve stem protruding upward from a container, and the operation button button body is ejected from the valve stem by depressing the operation button. Some nozzles are ejected from the nozzle port attached to the operation button through the jet passage.

  For example, as shown in FIG. 5, the operation button is formed with an upward step 2 in the middle of the outer periphery of the button body 1, a finger pad 3 with knurling on the top surface, and flat portions 4 on both sides of the outer periphery. The nozzle member 6 having the nozzle hole 5 was held by being press-fitted into the nozzle fitting hole.

  By the way, in this type of aerosol-type injection device, at the time of disposal, when degassing or when sorting, the finger is placed on the flat surface portion 4 and pinched from the valve stem as shown in FIG. It was necessary to remove the operation button.

JP 2000-219283 A JP 2004-1114017 A

  However, in such a case, a finger slips and the operation button does not readily come off from the valve stem.

  Accordingly, an object of the present invention is to make it possible to easily remove an operation button from a valve stem at the time of disposal or the like.

In order to achieve such an object, a stem fitting hole is provided downward in the center of the button main body, and for example, a nozzle fitting hole is provided laterally by opening in the outer peripheral surface of the button main body, and a nozzle member is provided in the nozzle fitting hole. In an operation button for an aerosol-type injector, which is formed by internally forming an ejection passage that communicates with the nozzle hole of the nozzle member and a stem fitting hole.
In the first aspect of the present invention, a flat portion is formed on both sides of the outer periphery sandwiching the ejection passage, and a finger-hooking step portion is formed protruding above the flat portion , and an upward step portion is formed on the outer peripheral middle portion of the button body. A tool insertion hole is formed in the upward step portion . When removing the operation button from the valve stem, such as during disposal, place your finger on the flat surface and pick it up, place your finger on the finger hanging step, lift it up , or insert a tool such as a screwdriver into the tool insertion hole. Remove the operation button by using the lever function .

According to a second aspect of the present invention, there is provided an aerosol injection device, wherein the operation button of the first aspect is attached to a valve stem by fitting the tip of the valve stem into a stem fitting hole. is there.

According to a third aspect of the present invention, there is provided an aerosol type injector, wherein the aerosol type injection device according to the second aspect is attached to a container.

According to the first aspect of the present invention, when removing the operation button from the valve stem at the time of disposal or the like, the finger is applied to the flat portions on both sides of the outer periphery, the finger is placed on the finger hanging step, and the operation button is lifted. The operation button can be easily removed by pinching firmly so as not to slip and applying sufficient force to the operation button, or by inserting a tool into the tool insertion hole and utilizing the lever action.

According to the 2nd aspect of this invention, the aerosol injection apparatus which can remove an operation button from a valve stem easily can be provided.

According to the third aspect of the present invention, it is possible to provide an aerosol injector in which the operation button can be easily removed from the valve stem.

The best mode for carrying out the present invention will be described below with reference to the drawings.
In FIG. 1, the external appearance of the aerosol-type injector which attaches an aerosol-type injection apparatus to a container is shown.

  Reference numeral 10 in the figure denotes a container. The container 10 is made of, for example, a stainless steel material or an aluminum material. Although not shown, the container 10 contains contents such as a deodorant, an insecticide, and a cosmetic liquid together with a propellant. The mouth part is covered with a mountain cup and the outer periphery is tightened, and the aerosol injection device 12 is attached.

In FIG. 2, the principal part secondary section of the aerosol type injector shown in FIG. 1 is shown.
The aerosol injection device 12 is provided with a vertical cylindrical housing 13 having a step portion 13a in the middle. The upper end portion of the pipe 14 extending from the lower end portion to the bottom portion of the container 10 is press-fitted into the small diameter portion 13 b below the housing 13. In the large-diameter portion 13 c above the housing 13, the spring 15 is placed and placed on the stepped portion 13 a, and then the lower portion of the valve stem 16 is inserted and placed on the spring 15.

  The valve stem 16 has a communication hole 16c in the neck portion 16a that communicates the internal flow path 16b with the outside, and a center hole edge of an annular plate packing 17 is fitted around the neck portion 16a. To block.

  The valve stem 16 is provided so as to be freely inserted into and removed from the housing 13, and is inserted into the center hole of the mountain cup 11. The mountain cup 11 is hung on the top of the housing 13 and holds the pipe 14, the spring 15, the valve stem 16, the packing 17 and the like held together with the housing 13.

  The valve stem 16 protruding upward from the center of the mountain cup 11 has an operation button 18 attached to the upper end. The operation button 18 is provided with a stem fitting hole 20a facing downward in the center of the button body 20, and is opened in the outer peripheral surface of the button body 20 and is provided with nozzle fitting holes 20b laterally. A center post 20c is formed at the center of the nozzle fitting hole 20b so as to protrude toward the opening. The nozzle member 22 is fitted into the nozzle fitting hole 20b.

  The nozzle member 22 has a screw 22a formed on the inner surface facing the top surface of the center post 20c, and has a nozzle hole 22b in the center. The nozzle member 22 is formed with an ejection passage 20d that communicates the lateral nozzle hole 22a of the nozzle member 22 and the stem fitting hole 20a.

  Now, when using this aerosol type injector, the container 10 is held, a finger is applied to the knurled finger rest 20e on the top surface of the operation button 18, and the operation button 18 is pushed in. Then, the valve stem 16 is pushed down to deform the packing 17, and the contents of the container 10 are put into the internal flow path 16 b of the valve stem 16 from the communication hole 16 c by the pressure of the injection material and discharged through the valve stem 16. It can enter into the ejection path 20d of the button 18, and can inject from the ejection port 22b to the exterior as a mist with the screw 22a of the nozzle member 22 through the ejection path 20d.

  FIG. 3 shows the operation button 18 shown in FIGS. 1 and 2 as viewed obliquely from above, FIG. 4A shows it from the front, FIG. 3B shows it from directly above, and FIG. Shows from the right side.

  As can be seen from the figure, the button body 20 of the operation button 18 is formed with a plane portion 20f substantially parallel to both outer peripheral surfaces sandwiching the above-described ejection passage 20d, and protrudes laterally above the plane portion 20f. A finger hanging step portion 20g is formed on the flat surface portion 20f. Further, an upward stepped portion 20h is formed in the middle of the outer periphery of the button body 20, and a tool insertion hole 20i penetrating vertically is formed in the upward stepped portion 20h adjacent to each flat portion 20f.

  When removing the operation button 18 from the valve stem 16 at the time of disposal or the like, put the finger on the flat surface portion 20f and pick it up, place the finger on the finger hanging step portion 20g and pull it up firmly so that the operation button 18 does not slip. When a tool such as a knob or a screwdriver is at hand, the operation button 18 can be easily removed by inserting it into the tool insertion hole 20i and placing the tip on, for example, a mountain cup and using the lever function. it can.

  In this example, the button body 20 of the operation button 18 is formed with the finger hanging step 20g and the tool insertion hole 20i is provided, but only one of the finger hanging step 20g and the tool insertion hole 20i is provided. It's also good. When the tool insertion hole 20i is provided, the flat portion 20f is not necessarily provided. However, the tool insertion hole 20i can be enlarged if the flat portion 20f is formed. Tool operation can be facilitated without the outer peripheral side surface getting in the way.

It is an external view of the aerosol-type injector which attaches an aerosol-type injection apparatus to a container. It is a principal part secondary sectional view of the aerosol type injector shown in FIG. It is a perspective view of the operation button used with the aerosol type injector. (A) is a front view of an operation button, (B) is a plan view, and (C) is a right side view. It is a perspective view of the operation button used with the conventional aerosol type injector.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Container 16 Valve stem 18 Operation button 20 Button main body 20a Stem fitting hole 20b Nozzle fitting hole 20d Jet passage 20f Plane part 20g Finger hanging step part 20h Upward step part 20i Tool insertion hole 22 Nozzle member 22b Injection hole

Claims (3)

In the center of the button body, a stem fitting hole is provided downward, a nozzle fitting hole is provided by opening outward, a nozzle member is fitted into the nozzle fitting hole, and the nozzle hole and the stem fitting are fitted. In an operation button for an aerosol-type injector, which is formed with an ejection passage communicating with the joint hole inside,
While forming a flat portion on both sides of the outer periphery sandwiching the ejection passage, projecting on the flat portion to form a finger hanging step,
An operation button for an aerosol-type injector, wherein an upward step portion is formed in the middle of the outer periphery of the button body, and a tool insertion hole is formed in the upward step portion.   An aerosol injection device, wherein the operation button according to claim 1 is attached to a valve stem by fitting the tip of the valve stem into the stem fitting hole. An aerosol injector comprising the aerosol injector according to claim 2 attached to a container.

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