JPH04128287U - Vertical/inverted valve - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] This eliminates the drawback of liquid and gas flowing in from the upstream side of the replenishment pipe when using a valve for both normal and inverted positions. [Structure] A check valve 2 that can be moved up and down in the valve housing 4 is interposed in the space between the valve seats 5 and 11 that face each other vertically, and when used in an upright position, a check valve 2 is inserted through the supply pipe. The liquid and gas flow into the valve through the gap formed between the valve seat 5 located above the check valve 2 and the top surface of the check valve 2, and when used in an inverted state, the check valve is closed. The valve 2 and the valve seat part 11 located below are in close contact with each other, and the valve seat part 11 is placed in close contact with the valve seat part 11 at the back side of the top of the head of the check valve 2, with that part facing the upper surface. A gap is formed between the valve seat 11 and the valve seat 11, and the liquid and gas can flow into the valve through the gap.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a valve that can be used for both normal and inverted positions, and particularly to a valve that can be used for both normal and inverted positions in an aerosol injection device. Regarding Lube.

0002

[Conventional technology]

With conventional valves for both normal and inverted positions, when injecting in an upright position, the inside of the aerosol container is The liquid and gas fill into the injection valve through the supply pipe, where it fills the injection valve. The jet will be sprayed externally from the jet nozzle, but when spraying in an inverted position, the aerosol The side with the injection valve of the aerosol container is located on the lower side of the container. The liquid part moves to the side of the aerosol container where the injection valve is located, so the liquid part Various studies are continuing on technical means to transfer the required amount of water into the injection valve. It's here. However, these studies have not always yielded good results to this day. ing. However, if you use a conventional aerosol valve for both normal and inverted positions, Content liquid and gas enter the injection valve from the upstream side of the supply pipe through the supply pipe. Especially when the liquid content in the aerosol container is low, There is a tendency for the content liquid to often flow into the injection valve through the pipe.

0003

[Means for solving ideas]

The present invention aims to solve the above problems.

0004

[Technical means to solve the problem]

Next, to describe the technical means for achieving the above purpose, the present invention Valve seats are provided in the valve housing that face each other vertically, and a valve seat is formed between the valve seats. A check valve that can be moved up and down is interposed in the space, and a supply pipe is attached to the check valve. It is a valve for both normal and inverted use.

[0005]

[Example 1] In the upright state, the head 3 of the check valve 2 with supply pipe is attached to the valve seat 11 located below. The bottom surface of the check valve 2 is brought into close contact with the top of the head 3 of the check valve 2 and the injection valve of the housing 4. A gap can be formed between the support member seat part 5 and the bottom part, and in an inverted state. The top of the head 3 of the check valve 2 serves as a seat for the injection valve support member of the valve housing 4. A valve seat part that closely watches the bottom part of the valve seat part 5 and is located below with the check valve in an upright state. In other words, the lower surface of the head 3 of the check valve 2 and the valve seat 5 located above in the inverted state In other words, the shoulder portion is separated from the valve seat portion 1 located above in the inverted state to form a gap. A valve for both normal and inverted operation.

[Example 2] A plurality of joints stand up around the through hole 7 provided in the middle bottom 8 of the valve housing 4. The injection valve support member 6 in the valve housing 4 is made of an elastic member made of plastic. This is a valve for both normal and inverted operation, which supports the lower part of the lubstem 9.

[Example 3] The injection valve support member 6 in the valve housing 4 is formed by a metal spring. This is a valve for both normal and inverted operation.

[Example 4] The top surface of the head 3 of the check valve 2 is formed into a parabolic convex surface, and its counterpart Seat portion/valve seat portion 5 for the injection valve support member of the inner bottom portion 8 of the valve housing 4 located in the opposite position The surface shape of the lower surface is formed into a parabolic concave surface, and the convex surface and the concave surface form an air zone. so that the aerosol container is in close contact with the container when it is inverted, and can be separated when the aerosol container is in the upright position. This is a valve for both normal and inverted use for aerosol containers.

[Example 5] The surface of the head 3 of the check valve 2 on the side opposite to the top is made into a spherical surface with a relatively small diameter. A valve seat portion for receiving the spherical portion is formed near the lower end of the valve housing 4. and an air whose shape is formed into a spherical surface that matches the shape of the spherical surface of the spherical portion. It is a valve for both normal and inverted use for sol containers.

[Example 6] The check valve 2 is made of a relatively heavy material, and a through hole 10 is formed in the center of the check valve 2. and the opening of the through hole 10 on the head 3 side of the check valve 2 is formed in an expanded shape. It is a valve for both normal and inverted operation.

[Example 7] The lower valve seat portion 11 of the check valve 2 is formed into a short cylindrical shape, and the inner peripheral surface of the short cylindrical portion A cylindrical space is formed between the stop valve 2 and the outer peripheral surface of the body portion below the head 3 of the short stop valve 2. 2. A valve for both normal and inverted operation according to claim 1.

[Example 8] The outer diameter of the leg portion 13 below the body 12 of the check valve 2 is smaller than the outer diameter of the body. By increasing the diameter, a relatively thin cylindrical leg structure is created, and the outside of the leg structure is Fit the replenishment pipe 14 for liquid supply and gas supply around the periphery to provide replenishment during inverted use. Pass through the gap between the outside of the supply pipe 14 and the end face of the lower valve seat 11 of the check valve 2. , further formed between the lower valve seat part 11 of the check valve and the lower surface part of the head of the check valve 2. The liquid and gas inside the aerosol container are passed through the gap formed by the valve housing. This is a valve that can be used for both normal and inverted operation.

[Example 9] At least the head of the check valve type on-off valve when the aerosol container is used in an upright position. Since the parts are made of relatively heavy material, they can quickly fit inside the valve housing. The head of the check valve type on-off valve should be able to come into close contact with the lower valve seat provided. The opposing surfaces are formed by the pressure of high-pressure fluid ejected from the central opening at the top of the head. The lower part of the valve seat that also serves as the seat for the injection valve support member forms the inner bottom of the valve housing. They repel against the bottom part that forms the surface, forming a gap, and that gap is filled with aerosol capacity. A valve for both normal and inverted aerosol containers that serves as a flow path for the contents inside the container to flow out. be.

[Example 10] At least the head of the check valve type on-off valve when the aerosol container is used in an inverted position. The head part with the opening for the supply pipe is made of relatively heavy material. Quickly place the top of the head tightly against the seat for the valve seat and injection valve support member located at the opposite position. At the same time, the lower part of the head located on the opposite side of the top of the head and the upper part of the head are A gap is formed between the valve seat and the valve seat located in the aerosol container. This is a valve for both normal and inverted positions for aerosol containers that can be used as an outflow channel. Ru.

[Example 11] The bottom part of the valve housing's seat part for the injection valve support member and the valve seat part, and the bottom part of the valve housing part. A supply pipe is provided in the space formed between the valve seat and another valve seat located below. The check valve is placed in close contact with the valve seat located at the bottom in the upright state. the check valve and the bottom of the valve seat located above it. A small gap can be formed between the two, and a supply pipe is provided in the inverted position. The check valve is in close contact with the bottom surface of the injection valve support member seat and valve seat, and A slight gap can be formed between the check valve and the other valve seat part. This is a valve for both normal and inverted aerosol injection devices.

[0006]

[Effect]

Vertically opposing valve seats are provided in the valve housing, and these opposing valve seats A check valve that is movable up and down is interposed in the space formed between the Since it is a dual-purpose valve with a supply pipe attached to the top, it can be used for aerosol containers, etc. When the pressure vessel is used in an upright position, a gap is formed in the upper part of the check valve. It can be used as a flow path for ejecting the contents inside the container to the outside via a valve. Also, when using the check valve in an inverted position, the main body of the check valve will fall over, causing the check valve to become in an upright position. The condition moves in the opposite direction and blocks the flow path from the supply pipe attached to the check valve. At the same time, the check valve separates from the part of the valve seat that is closed when it is in the upright position. A gap is formed there, and the liquid and gas of the contents on the upstream side of the gap are formed. This allows the liquid to flow into the valve and then be ejected to the outside without any hindrance.

[0007]

【effect】

Conventionally, when using an aerosol container in an inverted position, the upper part of the supply pipe In other words, attach a bellows or heavy object to the inlet of the upstream supply pipe. If the inlet has a bellows or a heavy object, the aerosol Move to the side of the container with the injection valve and fill the aerosol container from the upstream side of the supply pipe. The amount of outflow of the injection fluid is reduced by the liquid and gas inside the container flowing directly into the valve. Problems may occur due to loss of control, especially when the liquid content in the aerosol container is running low. However, with this invention, the contents can be easily stored even in an inverted position. This has the effect of ensuring that the water flows into the valve. In particular, the valve of the present invention The injection valve support member inside the housing stands up at the middle bottom of the valve housing where the through hole is provided. The lower part of the valve stem is supported by multiple elastic members made of synthetic resin. Even if the injection valve support member inside the valve housing is formed by a metal spring Even in the case of Therefore, we have developed a valve for both normal and inverted operation, which is a conventional general valve housing with this invention. Of course, other structures can be used.

[Brief explanation of drawings]

FIG. 1 is a vertical cross-sectional view of a valve for both normal and inverted positions according to the present invention, showing the valve for both normal and inverted positions in an upright state.

[Fig. 2] The valve for both normal and inverted positions in Fig. 1 is cut at the A-A line, and the lower part of the valve is inverted from the state shown in Fig. 1, that is, used when it is changed from an upright state to an inverted state. FIG. 3 is a vertical cross-sectional view of a main part showing the operating state of the check valve in the case of FIG.

[Explanation of symbols]

1 Mountain cap 9 Valve stem 2 Check valve 10 Through hole 3 Head 11 Lower valve seat 4 Valve housing 12 Body portion 5 Injection valve support member seat/valve seat 13 Leg portion 6 Injection valve support member 14 Supply pipe 7 Through hole 15 Stem rubber 8 Middle bottom part 16 Large diameter part of valve housing

Claims (11)

[Scope of utility model registration request] Claim 1: Vertically opposed valve seats are provided in the valve housing, and a vertically movable check valve is interposed in the space formed between the valve seats, and supply is supplied to the check valve. A valve for both normal and inverted operation with a pipe attached. 2. In the upright state, the lower surface of the head of the check valve with a supply pipe is brought into close contact with the valve seat located below, and the top of the head of the check valve is in close contact with the valve housing. A gap can be formed between the valve seat part for the injection valve support member of the valve housing and the bottom part of the valve seat part. The check valve is in close contact with the bottom part of the seat/valve seat part and is located below when the check valve is in an upright state, that is, the valve seat part is located above when the check valve is in an inverted state. 2. The valve for normal and inverted operation according to claim 1, wherein a lower surface portion, that is, a shoulder portion of the head of the valve is separated from the valve seat portion located above in the inverted state to form a gap therebetween. [Claim Top 3] A space for an injection valve support member is provided in the valve housing, a through hole is provided in the middle bottom of the valve housing, and a plurality of synthetic resin elastic members are erected around the through hole in the middle bottom. 2. The normal and inverted valve according to claim 1, wherein the lower part of the valve stem is supported by an injection valve support member comprising: 4. The valve for normal and inverted operation according to claim 1, wherein the injection valve support member within the valve housing is formed of a metal spring. 5. The surface of the top of the head of the check valve is formed into a parabolic convex surface, and the lower surface of the seat for the injection valve support member and the valve seat at the inner bottom of the valve housing is located opposite to the top of the head of the check valve. 2. The surface of the aerosol container is formed into a parabolic concave shape, and the convex surface and the concave surface are in close contact with each other when the aerosol container is in an inverted state, and can be separated to form a flow path when the aerosol container is in an upright state. Vertical and inverted valve for the listed aerosol containers. 6. The surface of the head of the check valve on the side opposite to the top of the head is formed into a spherical surface with a relatively small diameter, and the valve seat portion for receiving the spherical portion is formed near the lower end of the housing, 2. The vertical and inverted valve for an aerosol container according to claim 1, wherein the valve has a spherical shape that matches the spherical shape of the spherical portion. 7. A portion of the check valve is formed of a comparatively heavy material, a through hole is formed in the center portion thereof, and an opening of the through hole on the head side of the check valve is formed in an expanded shape. Claim 1 consisting of
Valve for both normal and inverted use as described. 8. The lower valve seat portion of the check valve is formed into a short cylindrical shape,
2. The normal and inverted valve according to claim 1, wherein a cylindrical space is formed between the inner circumferential surface of the short cylindrical portion and the outer circumferential surface of the body portion below the head of the check valve. 9. A cylindrical leg structure having a relatively thin wall structure by making the outer diameter of the leg portion under the body of the check valve smaller than the outer diameter of the body, and A replenishment pipe for liquid and gas supply is fitted around the outer periphery of the structure, and when the structure is used in an inverted state, it passes through the gap between the outside of the replenishment pipe and the end face of the lower valve seat of the check valve. The content liquid and gas in the aerosol container can flow into the valve housing through the gap formed between the lower valve seat of the check valve and the lower surface of the head of the check valve. The valve for both normal and inverted operation according to claim 1. [Claim 10] When the aerosol container is used in an upright position, at least the head portion of the check valve type on-off valve is made of a relatively heavy material, so that the lower part provided inside the valve housing can be quickly removed. an opposing surface portion that can be brought into close contact with the valve seat portion and receives the pressure of high-pressure jetted fluid from the central opening of the head portion of the head portion of the head portion of the check valve type on-off valve; The inner bottom part of the valve housing that forms the lower part of the seat for the injection valve support member and the lower part of the valve seat repel each other to form a gap, and the content of the aerosol container is filled in the gap. 2. The vertical and inverted valve for an aerosol container according to claim 1, which is adapted to serve as a flow path for outflowing objects. [Claim 11] When the aerosol container is used in an inverted state, at least the head portion of the check valve type on-off valve is made of a relatively heavy material, so that the top portion of the head portion having the opening for the replenishment pipe can be prevented. Quickly bring it into close contact with the valve seat/injection valve support member seat located at the opposite position, and as a result, the lower surface of the head located on the opposite side to the top of the head and the valve seat located above it. 2. The vertical and inverted valve for an aerosol container according to claim 1, wherein a gap is formed between the aerosol containers and the gap can be used as a flow path for the contents of the aerosol container to flow out.