JP2509937Y2 - Inverted injection type air valve - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an inverted injection type aerosol valve, and in particular, in an upright state, it prevents operation by preventing a lower end portion of an interior of an injection head from hitting a spherical body of an operation inhibiting member and lowering the same. Then
The present invention relates to an inverted injection type aerosol valve in which, in an inverted state, a ball of an actuation prevention member enters a recess for moving a ball and can be operated without interfering with an elevation operation of an injection head.

Conventionally, an inverted injection type aerosol valve has been used. However, its structure is complicated, and in particular, the coil spring is an elastic metal and the coil spring is small, and the properties and characteristics of the individual coil springs are often different, so that individual products are uniform. Among the aerosol valves required to have properties and characteristics, there is an urgent need to develop an aerosol valve that does not use a coil spring.
Therefore, the inventor of the present application, the application of the present application,
Although the invention recorded in Japanese Patent No. 563 was developed, this invention has a liquid absorption tube and no consideration is given to its use as an inverted injection type aerosol valve.

A first object of the present invention is to provide an inverted injection aerosol valve that can prevent the operation of the injection head in the upright state and can operate in the inverted state without hindering the lifting operation of the injection head. And the subject. In addition, without using a metal coil spring, the aerosol valve can be configured by using a material other than metal such as synthetic resin, and the used aerosol valve, especially the one used in the inverted injection type aerosol valve, can be used. It is a second object of the present invention to regenerate an injection container using an aerosol valve so that it can be reused. In addition, the structure of the valve housing and the valve stem, which are the main parts of the configuration of the inverted injection aerosol valve, is simple, and even if the metal coil spring that is the elastic member is not used, the function of the metal coil spring is not inferior. Rather, the third object is to provide an inverted injection type aerosol valve capable of exhibiting excellent functions. In addition, the sphere does not operate in the upright state by properly utilizing the characteristic structure of the space inside the jet head and the internal structure of the jet head,
A fourth object is to provide an inverted injection aerosol valve that can operate in an inverted state and that has a relatively simple configuration and can exhibit excellent functions.

Next, to describe the specific configuration of the invention of the present application, in the upright state, the lower end portion of the interior of the injection head 21 hits the spherical body 22 of the operation inhibiting member so that the operation can be prevented so that it cannot descend. In the inverted state, the sphere 22 of the operation blocking member enters the sphere moving recess 23 so that the sphere can be operated without obstructing the vertical movement of the injection head, and the injection port portion is opened to eject the contents. A valve housing 4 and a valve stem 3 accommodated therein are provided in a cylindrical projecting portion of a central portion of a mountain cap of an aerosol valve having a possible valve mechanism.
And a stem rubber 5 are built in, and a plurality of resilient leg portions 10 having free ends are hung downward from the large diameter portion 9 at the lower end of the valve stem 3, and the plurality of resilient leg portions 10 are suspended. In a space portion formed between the lower end of the portion 10 and a plurality of resilient rising portions 20 which are erected upward from the bottom of the hanging portion 19 of the valve housing 4 from below.
The tips of the are integrated into a unitary structure part, and the protrusion of the unitary structure part is normally closed, so that the operation can be blocked in the upright state, and in use, in the inverted state, The contents can be ejected from the ejection port, and in the inverted state, the hanging portion 19 of the valve housing 4 is
Inverted so that a plurality of resilient leg parts 10 supported by an integral structure part that gathers the tips of several resilient riser rising parts 20 raised upward from the bottom can be returned to the original position. It is a spray type aerosol valve.

Next, the specific configuration of the present invention will be described below with reference to the drawings. The surface of the crown portion 6 of the cylindrical protruding portion of the central portion of the mountain cap 1 and the portion of the guide hole 7 of the valve stem 3 will be described below. From the above to the annular shoulder 15 of the cylindrical projecting portion of the mountain cap 1, but slightly downward in the radial direction, and the jetting is made on the upper side of the sphere 22 of the operation inhibiting material positioned thereabove. Head 21 is located,
The tip portion of the small-diameter cylindrical portion 8 of the valve stem 3 is inserted into a downwardly opened hollow portion provided in the central portion of the jet head 21, and the jet passage is formed diagonally forward and upward from the upper end portion of the hollow portion. When the tip end of the ejection passage is provided as an ejection port and the lower end of the downwardly facing short tubular portion forming the recess serving as the support portion of the valve stem 3 is in the upright state, the sphere 22 of the operation inhibiting material is provided. Of the injection head 21, inside the peripheral side surface portion of the injection head 21,
In the inverted state, a sphere moving recess 23 is formed so that the sphere 22 of the operation preventing member can enter, and the lower end portion of the jet head 21 is the annular shoulder portion 15 of the cylindrical protruding portion of the mountain cap 1.
Positioned further downward, an annular member is located between the cylindrical projecting portion of the mountain cap 1 and the lower end of the jet head 21, and the annular member is located on the inner peripheral surface side of the lower end of the jet head 21. The sphere 22 of the operation blocking material is prevented from being discharged to the outside, and in the upright state, the sphere 22 of the operation blocking material hits the lower end portion of the inside of the injection head 21 and prevents the operation so as not to descend. In the inverted state, the sphere 22 of the operation inhibiting member enters the sphere moving recess 23 so that the sphere 22 can be operated without disturbing the elevating operation of the injection head, and the portion of the injection port is opened. An aerosol valve having a valve mechanism capable of ejecting a substance has a built-in valve housing 4, a valve stem 3 and a stem rubber 5 housed therein, in a cylindrical projecting portion of a central portion of a mountain cap 1. under A plurality of resilient leg portions 10 each having a free end downward from the large-diameter portion 9 of the same, and into a space portion formed between the lower ends of the plurality of resilient leg portions 10 , The tips of several resiliently rising rising portions 20 which are erected upward from the bottom of the hanging portion 19 of the valve housing 4 from below are integrated into a single integral structure portion, and the protruding portion of the integral structure portion , Is normally closed, so that the operation can be blocked in the upright state,
In use, in the inverted state, the contents can be ejected from the injection port, and in this inverted state, several resilient rising portions 20 are erected upward from the bottom of the hanging portion 19 of the valve housing 4. It is an inverted injection type aerosol valve capable of returning a plurality of resiliently leg parts 10 supported by an integrated structure part in which the tips of the above are assembled to the original position.

Next, to describe the effects of the above configuration, the inverted injection type aerosol valve of the present invention, in the upright state,
The lower end portion of the interior of the injection head 21 hits the ball 22 of the operation inhibiting member so that the operation can be prevented so that it cannot descend, and in the inverted state, the ball 22 of the operation inhibiting member has the ball moving recess 23.
It can be operated without interfering with the raising and lowering operation of the injection head, and by pressing the top surface portion of the injection head in the inverted state, the injection flow path leading to the injection port portion is opened and the injection port is opened. There is an effect that the contents can be ejected by opening. Further, the inverted injection type aerosol valve of the present invention has a valve housing 4, a valve stem 3 and a stem rubber 5 housed therein in a cylindrical protruding portion of a mountain cap of the aerosol valve having a valve mechanism. , The original position is increased by the elastic force generated by the contact between the elastic rising portion 20 of the valve housing 4 side and the elastic leg portion 10 of the valve stem 3 side and the restoring force due to the accumulation of the elastic force. There is an effect that can increase the power to return to. Further, the inverted injection type aerosol valve of the present invention suspends downward from the large diameter portion 9 of the lower end of the valve stem 3, a plurality of resilient leg portions 10 each having a free end, and a plurality of these resilient bullet portions 10 are suspended. In the space formed between the lower end of the leg portion 10 which can be emitted, the hanging portion of the valve housing 4 from below.
The tips of several elastically rising rising portions 20 that are erected upward from the bottom of 19 are integrated into an integral structure portion, and the protrusion of this integral structure portion is normally closed. In the upright state, the operation can be prevented, and in use, in the upside state, the contents can be ejected from the injection port.
However, it is possible to operate without interfering with the operation of raising and lowering the ejection head by entering the spherical movement recess 23, and in the inverted state,
By pressing the top surface portion of the injection head, the injection flow path communicating with the injection port portion is opened, the injection port is opened, and the contents can be ejected. A plurality of elastic leg portions 10 supported by an integral structure part in which the tips of several elastic rising portions 20 standing upward from the bottom of the hanging part 19 are extended to return to the original position. There is an effect that can be made.

[Brief description of drawings]

FIG. 1 is a sectional view of an inverted injection type aerosol valve according to the present invention in an upright state, FIG. 2 is a bottom view of the valve stem shown in FIG. 1, and FIG. , First
FIG. 4 is a top view of the valve stem shown in FIGS. 2 and 3, and FIG. 4 is a top view of the valve housing shown in FIG. 1. 1 ... Mountain cap 2 ... Mountain cap protrusion 3 ... Valve stem 4 ... Valve housing 5 ... Stem rubber 6 ... Mountain cap top 7 ... Mountain cap through hole 8 ... … Small diameter cylinder of valve stem 9 …… Large diameter of valve stem, 10 …… Valve stem leg member 11 …… Valve stem inflow lateral hole, 12 …… Valve stem annular groove 13 …… Stem rubber passage Holes, 14 …… Circular rim of stem rubber 15 …… Annular shoulder of mountain cap, 16 …… Outer cylinder of valve housing 17 …… Valve housing neck, 18 …… Valve housing neck support 19 …… Hanging part of valve housing, 20 …… Rise part from the hanging part of the housing 21 …… Injection head, 22 …… Sphere 23 …… Recess for moving the ball

Claims (3)

(57) [Scope of utility model registration request] 1. In the upright state, the lower end portion of the interior of the jet head 21 hits the spherical body 22 of the operation inhibiting member so that the operation is prevented so that it cannot descend. An aerosol valve having a valve mechanism in which the sphere 22 enters into the sphere moving recess 23 so that it can be operated without disturbing the elevating and lowering operation of the ejection head, and the injection port portion is opened to eject the contents. A valve housing 4 and a valve stem 3 and a stem rubber 5 housed inside the valve housing 4 are built in a cylindrical projecting portion in the central portion of the mountain cap, and the free end extends downward from a large diameter portion 9 at the lower end of the valve stem 3. A plurality of resilient leg portions 10 having a pendant, and a hanging portion 19 of the valve housing 4 from below in a space portion formed between the lower ends of the plurality of resilient leg portions 10. From bottom to top At this time, the tips of the several rising parts 20 capable of being erected together are integrated into an integrated structure part, and the protruding part of the integrated structure part is normally closed. In operation, the contents can be ejected from the injection port in the inverted state, and in the inverted state, several pieces are erected upward from the bottom of the hanging portion 19 of the valve housing 4. An inverted injection type aerosol valve capable of returning a plurality of leg portions 10 capable of repelling, which are supported by a unitary structure portion in which the tips of the rising portions 20 capable of repelling, are returned to their original positions. 2. An inverted injection type aerosol valve according to claim 1, wherein a plurality of leg portions 10 capable of repelling and four rising portions 20 capable of repelling are provided together as a utility model. 3. An inverted injection type aerosol valve according to claim 1, wherein the plurality of leg portions 10 having a wide width capable of repelling and four rising portions 20 capable of repelling are both four.