JP3113886U - Self-holding air valve - Google Patents

Abstract

A self-holding type air valve having a self-holding function for holding a drawing pipe of an air pump fitted in the valve and capable of being effectively applied to various air injection products.
A folding outer lid, a valve shell, a moving rod, a spring member, a dish-shaped rubber, a valve stopper, and a fixed part, and a peripheral portion of a tank formed inside the front end of the valve shell, A symmetrical lock tank corresponding to the extension pipe of the air pump is established, and when the extension pipe is inserted and rotated, the lock tank is fitted and fixed, and a watermark-like pressing piece is provided at one end of the moving rod. A rod body is provided at another end, a screw end is further formed at the tip of the rod body, a spring member is pierced into the rod body, and the pressing piece is placed in a tank inside the valve housing. After installation, the rod at one end and the screwed end are pierced through the central hole of the watermark-like support piece provided inside the valve shell, and then the screwed end is drilled into the dish-shaped rubber and the valve plug. Further, the fixing part is screwed and fixed to the screwed end.
[Selection] Figure 3

Description

  The present invention relates to a self-holding air valve, and in particular, can connect and hold an extension pipe of an air pump. The valve automatically opens in conjunction with the extension pipe connection, and the valve automatically opens when the extension pipe is removed. The present invention relates to a self-holding type air valve that can be quickly closed for air injection and suction exhaust.

The self-holding type air valve of the present invention mainly has the following features and effects.
1. The extension pipe of the air pump can be connected and locked, and there is no need to perform manual air injection and intake / exhaust.
2. Adopting an interlocking structural design for the internal valve body, the valve can be opened by directly pressing and applying force, the structure is simple and convenient for operation.
3. The internal valve body is closed by utilizing the repulsive force of the spring member. This ensures reliability and simplification of operation when reciprocating, and its durability and service life are regeneratively. It is the greatest feature of the present invention that is extended.
4. Adopting a structure that covers the surface of the valve stopper with an arc-shaped soft dish-shaped rubber on the inner valve body, and forming a close contact characteristic on the valve stopper, this structure allows quick air injection and intake / exhaust In addition, since the valve plug receives the internal pressure of the air injection product, the larger the internal pressure, the greater the adhesion.
5. The present invention has a structure in which the valve is pressed and lowered when the air pump extension pipe is fitted, and when the extension pipe is fitted while being rotated, the valve is opened and direct air injection and intake / exhaust operations can be performed.
6. The present invention has a structure in which the valve is pressed and lowered when the air pump drawing pipe is fitted. The valve is closed when the drawing pipe is removed, the gas leaks due to the operation delay, and the internal pressure of the air injection product is not lost. .

  As shown in FIG. 1, the air valve A1 used in the conventional air injection product has an air valve design in which the valve is pressed and opened by an auxiliary operation that is manually pinched. A unidirectional valve piece is installed inside, and this unidirectional valve piece is closed during normal times. When it is necessary to inject air (air is blown into the mouth), the unidirectional valve piece is manually inserted. When it is pinched and deformed, the internal gas can be discharged by gas injection and extrusion. Since such a conventional air valve A1 is inferior in sealing property and not excellent in airtightness, it is necessary to cover it with a cap lid A2 separately to prevent leakage of internal gas. In addition, since conventional air injection products are not compatible with electric air pumps, there are many problems of manual operation delay and air leakage, and the internal pressure of air injection products is often saturated. It was difficult.

  In view of the above-mentioned problems, the object of the present invention is to solve the above-mentioned various drawbacks and problems, and at the same time, the valve itself holds the extension pipe of the air pump by inserting and fixing the extension pipe of the air pump. It is an object of the present invention to provide a self-holding type air valve that has a function and can be effectively applied to various air injection products.

  The present invention is an air valve that can be connected by inserting an extended air injection pipe of an air pump, rotating it and locking it, and mainly includes a folding outer lid, a valve shell, a moving rod, a spring member, a dish-shaped rubber A valve stopper and a fixed part, of which a symmetrical lock tank corresponding to the extended air injection pipe of the air pump is opened at the peripheral edge of the tank formed inside the front end of the valve shell. When a stretched air injection tube is inserted and rotated, it is fitted and fixed in the lock tank, and a watermark-like pressing piece is provided at one end of the moving rod, and a rod is provided at the other end. Further, a screw fastening end is formed at the tip, and a spring member is pierced in the rod body, the pressing piece is installed in a tank inside the valve housing, and the rod body and the screw fastening end at another end. Penetrated into the center hole of the watermark-like support piece provided inside the valve shell After that, the screwed end is pierced through the dish-shaped rubber and the valve stopper, and a fixing part is screwed and fixed to the screwed end, and in conjunction with insertion and removal of the extension pipe of the air pump, The moving rod is reciprocated in the valve shell to open and close the valve.

The present invention has the following advantages.
1. By utilizing the present invention, the structure of the air valve can be further simplified, the reliability of the operation can be improved, and the life of the air injection product and the air pump can be extended.
2. According to the present invention, a two-way valve (air injection and intake / exhaust) can be formed by utilizing a lock type positioning and a spring member for the air valve, and this two-way function is the fitting of the extension pipe of the air pump -It is formed automatically after fixing, and it can be operated to inject air with an air pump, or to suck out air in the reverse direction with an air pump and quickly vent the gas.
3. The arc-shaped angle of the valve stopper of the present invention and the soft dish-shaped rubber fitted on the surface ensures the positioning and airtightness of the valve stopper, and at the same time, the rapid flow of the airflow in the circumferential direction Can be encouraged.
4). With the lock function of the present invention, when the extension pipe of the air pump is rotated and removed, it can be automatically jumped out, and at the same time the air valve is closed, so that the problem of leakage due to operation delay can be completely solved. .
5. With the lock function of the present invention, the extension pipe of the air pump is locked and positioned, and the extension pipe of the air pump can be prevented from receiving and being pushed out by receiving the reverse pressure generated by the internal pressure air flow.
6). Due to the locking function of the present invention, the extension pipe of the air pump is directly incorporated on the air valve, and no other connection type nozzle is required.

  As described above, the present invention provides a self-holding type air valve that breaks down the prior art, and not only has high availability in the air injection industry, but can greatly improve the quality. It has high industrial use value. The structural appeal of the present invention is clear and simple, ensuring the expected effects, combining the important requirements of novelty and inventiveness, and facing traditional air valves To improve various shortcomings.

  Hereinafter, in order to deepen the understanding of features and substantial functions of the present invention, a detailed description will be given based on specific embodiments and drawings.

  As shown in FIGS. 2 and 3, the present invention is a valve installed on the air injection B and used for air injection and intake / exhaust. The entire structure is mainly a folding outer lid 1 provided with a ring 11 for inserting the outer periphery of the arc-shaped hollow body, a valve shell 2, a moving rod 3, a spring member 4, a dish-shaped rubber 5, a valve plug. 6 and a fixed part 7. Among them, the folding outer lid 1 is fitted on the outer peripheral edge of the front end of the valve housing 2 and can seal the air injection end 21 of the valve shell 2. When a symmetrical lock tank 22 is formed on the inner wall of the front end of the valve shell 2 and the extension pipe 7 of the air pump is inserted and assembled, both the extension pipe 8 and the valve shell 2 are moved by insertion and rotation. They can be fitted to form a connection.

  Next, the moving rod 3 has a function of reciprocating the position when it receives a pressure, and can obtain the position recovery function by the spring member 4 to seal the valve shell 2. It has a piece 31 and has a rod body 32 and a screw fastening end 33 provided at the tip of the rod body at the other end, and the size of the pressing piece 31 is matched to the size of the tank inside the valve shell. The rod body 32 and the screwing end 33 are passed through the central hole 231 of the watermark-like support piece 23 provided inside the valve shell 2, and then the dish-shaped rubber 5 and the valve plug 6 are inserted and screwed. The fixed part 7 is screwed onto the end 33, and a movable positioning function is formed on the moving rod.

  As shown in FIG. 4, the rear end portion of the valve shell 2 is an arc-shaped hollow body 24 inclined inward to form a close contact state with the valve plug 6 having the same form and the dish-shaped rubber 5 covering the surface thereof. can do. Thus, when the valve plug 6 is opened and closed, as shown in FIG. 5, the arc-shaped hollow body 24 at the rear end of the valve shell 2 is opened and closed in the circumferential direction, and the amount of air injected or discharged is increased. be able to.

  As shown in FIG. 5, the positional relationship between the moving rod 3 and the valve shell 2 will be described. The moving rod 3 performs a reciprocating position movement only within the tank inside the valve shell 2, and at the same time a spring. Under the limitation of the member 4, a position recovery function is formed. For this reason, when the pressing piece 31 is pressed, the moving rod 3 moves inward and opens the valve plug 6. On the other hand, when the pressing of the moving rod 3 is stopped, the moving rod 3 receives the position recovery by the spring member 4 and closes the valve plug 6. By rotating the extension pipe 8 of the air pump and connecting the projection 82 provided at the front end portion 81 by locking this operation, the self-holding air valve of the present invention is called lock and air injection and intake / exhaust. Three functions can be combined into one.

It is a three-dimensional external perspective view of a conventional air valve. 1 is a perspective view of a three-dimensional appearance of the best embodiment of the present invention. It is a three-dimensional exploded view of the present invention. It is side surface sectional drawing which shows the whole structure of this invention, insertion of an extending pipe | tube, and locking operation | movement. It is side surface sectional drawing which shows the whole structure and opening / closing operation | movement of a valve | bulb of this invention.

Explanation of symbols

B Air injection 1 Foldable outer lid 11 Ring 2 to insert the outer periphery of the front end of the arc-shaped hollow body Valve shell 21 Air injection end 22 Lock tank 23 Support piece 231 Central hole 24 Arc-shaped hollow body 3 Moving rod 31 Press Piece 32 Rod 33 Screw end 4 Spring member 5 Dish rubber 6 Valve stopper 7 Fixing part 8 Stretch pipe 81 Front end 82 Projection

Claims (4)

  A front end opening is inserted into the ring of the folding outer lid having a ring for inserting the outer side of the front end opening of the arc-shaped hollow body, and a notch for fitting a protrusion provided at the distal end of the extended air injection pipe of the air pump is provided inside As an air injection end to be provided as a lock tank, a valve shell is arranged on the outside near the opening, and the outer periphery of the opening of the arc-shaped hollow body provided with an arc-shaped ridge at the rear end is inserted, from the opening Insert a moving rod with a watermark-like support piece at the front end and a threaded end at the rear end, and insert a spring member, countersunk rubber, and valve stopper from the rear end into the moving rod. A self-holding type air valve characterized in that the screw end of the end is fixed with a fixing member.   The foldable outer lid is placed on the outside of the front end of the arc-shaped hollow body, and the air-injection end of the arc-shaped hollow body can be sealed when it is bent inward. Item 2. The self-holding air valve according to Item 1.   The rear end of the arc-shaped hollow body is an arc-shaped hollow body inclined inward, and the same shape of the valve plug and the dish-shaped rubber covering the surface of the valve plug are inclined inwardly on the arc-shaped peripheral surface. The self-holding type air valve according to claim 1, wherein the self-holding type air valve is configured to be closely attached.   The extended air injection tube of the air pump has a front end portion and a protrusion, and when the extended air injection tube is inserted into the opening of the arc-shaped hollow body and rotated, the protrusion is inserted into the lock tank. The self-holding type air valve according to claim 1, wherein the self-holding type air valve is configured to be locked.

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