CN216643192U

CN216643192U - Tyre deflation pressure reducing valve

Info

Publication number: CN216643192U
Application number: CN202220106169.5U
Authority: CN
Inventors: 王红军
Original assignee: Kangcheng Jiangsu Machinery Manufacturing Co ltd
Current assignee: Kangcheng Jiangsu Machinery Manufacturing Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-31
Anticipated expiration: 2032-01-12

Abstract

The utility model relates to the technical field of pressure reducing valves, in particular to a tire deflation pressure reducing valve which comprises a valve body, a sealing rod, a spring, an adjusting knob and a pressure regulating piston, wherein the valve body is provided with a valve seat; the valve body is upper end and lower extreme open-ended cylindricly, adjust knob threaded connection in the upper portion of valve body, the lower extreme of sealing rod extends to in the valve body, its upper end extends to adjust knob's top, the pressure regulating piston cup joints the upper end of sealing rod, the pressure regulating piston below the spring has been cup jointed on the sealing rod, the lower extreme of sealing rod through sealed the pad with the inner wall of valve body closely cooperates, the upper portion of valve body is equipped with the gas outlet. The high-sensitivity spring and the corresponding precision machining part are adopted in the valve body, and the air pressure of the tire can be preset, so that the accuracy of the air pressure is kept consistent with the pressure of each tire, and errors caused by manual operation of a pressure gauge are reduced.

Description

Tyre deflation pressure reducing valve

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a tire deflation pressure reducing valve.

Background

And a deflation pressure reducing valve for automatically discharging the gas in the tire so as to reduce the air pressure of the tire, reduce the height of the tire and increase the ground contact area of the tire, so that the automobile can be driven on desert beaches or soft ground or under the condition that the ground temperature is particularly high in summer.

The same function's bleed valve in the existing market all needs manual (handheld), and the gassing process personnel must hold always and can't leave, need operate the tire one by one moreover, need consume a lot of time and manpower, also can't carry out accurate settlement to the atmospheric pressure of every tire.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a tire deflation pressure reducing valve.

The utility model provides the following technical scheme: a tire deflation pressure reducing valve comprises a valve body, a sealing rod, a spring, an adjusting knob and a pressure regulating piston; the valve body is upper end and lower extreme open-ended cylindricly, adjust knob threaded connection in the upper portion of valve body, the lower extreme of sealing rod extends to in the valve body, its upper end extends to adjust knob's top, the pressure regulating piston cup joints the upper end of sealing rod, the pressure regulating piston below the spring has been cup jointed on the sealing rod, the lower extreme of sealing rod through sealed the pad with the inner wall of valve body closely cooperates, the upper portion of valve body is equipped with the gas outlet.

Preferably, the lower end of the sealing rod divides the inner cavity of the valve body into an upper cavity and a lower cavity, a connecting part is arranged in the lower cavity, and a through vent hole is formed in the connecting part.

Preferably, the air outlet is communicated with the upper cavity.

Preferably, a part of the adjusting knob is transparent, and a graduated scale is arranged on the pressure adjusting piston corresponding to the transparent part of the adjusting knob.

Preferably, the valve body below the adjusting knob is in threaded connection with a positioning ring.

The utility model relates to a tire deflation pressure reducing valve, which has the beneficial effects that: the high-sensitivity spring and the corresponding precision machining part are adopted in the valve body, and the air pressure of the tire can be preset, so that the accuracy of the air pressure is kept consistent with the pressure of each tire, and errors caused by manual operation of a pressure gauge are reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention;

FIG. 2 is a schematic cross-sectional view of the apparatus of the present invention;

labeled as: 1. a valve body; 2. a sealing rod; 3. a spring; 4. adjusting a knob; 5. a pressure regulating piston; 6. an air outlet; 7. a gasket; 8. an upper cavity; 9. a lower cavity; 10. positioning rings; 11. a connecting portion; 12. a vent hole; 13. and (5) sealing rings.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

As shown in fig. 1 to 2, a tire deflation pressure reducing valve comprises a valve body 1, a sealing rod 2, a spring 3, an adjusting knob 4 and a pressure regulating piston 5; valve body 1 is upper end and lower extreme open-ended cylindricly, 4 threaded connection of adjust knob in the upper portion of valve body 1, the lower extreme of sealing rod 2 extends to in the valve body 1, its upper end extends to adjust knob 4's top, pressure regulating piston 5 cup joints the upper end of sealing rod 2, pressure regulating piston 5 below spring 3 has been cup jointed on the sealing rod 2, the lower extreme of sealing rod 2 through sealed pad 7 with the inner wall of valve body 1 closely cooperates, the upper portion of valve body 1 is equipped with gas outlet 6. When the air is discharged, the adjusting knob 4 is adjusted and screwed to a specified position, at this time, the lower end of the sealing rod 2 is pushed upwards by air in the tire, the air in the tire is released from the air outlet 6, and when the air pressure in the tire and the pressure of the spring are equal, the sealing rod 2 is not pushed upwards, so that the lower end of the sealing rod 2 is connected to the valve body in a sealing mode through the sealing gasket 7.

Specifically, the lower extreme of sealing rod 2 separates into cavity 8 and lower cavity 9 with the inner chamber of valve body 1, be equipped with connecting portion down in the cavity 9, be equipped with the air vent 12 that runs through on the connecting portion 11, lower cavity 9 passes through threaded connection in the interface of tire, and the interface sealing connection of sealing washer 13 and tire is passed through to the lower part of valve body 1. The air outlet 6 is communicated with the upper cavity 8, and air in the tire enters the lower cavity 9, enters the upper cavity 8 through the vent hole 12 and is released from the air outlet 6. The last part of adjust knob 4 is transparent form, corresponds rather than the transparent portion be equipped with the scale on the pressure regulating piston 5, through adjust knob 4 that the scale can be accurate to the pressure in the regulation tire that can be accurate. The valve body 1 below the adjusting knob 4 is connected with a positioning ring 10 through threads, so that the position of the adjusting knob 4 can be positioned, and the valve body is prevented from being not touched.

The working principle of the device of the utility model is as follows:

when the air is discharged, the adjusting knob 4 can be accurately adjusted through the graduated scale and screwed to a specified position, at the moment, the lower end of the sealing rod 2 is pushed upwards by air in the tire, the air in the tire is released from the air outlet 6, and when the air pressure in the tire is equal to the pressure of the spring, the sealing rod 2 is not pushed upwards, so that the lower end of the sealing rod 2 seals the valve body 1 through the sealing gasket 7, and the air in the tire is not leaked.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tire deflation pressure reducing valve is characterized by comprising a valve body, a sealing rod, a spring, an adjusting knob and a pressure regulating piston; the valve body is upper end and lower extreme open-ended cylindricly, adjust knob threaded connection in the upper portion of valve body, the lower extreme of sealing rod extends to in the valve body, its upper end extends to adjust knob's top, the pressure regulating piston cup joints the upper end of sealing rod, the pressure regulating piston below the spring has been cup jointed on the sealing rod, the lower extreme of sealing rod through sealed the pad with the inner wall of valve body closely cooperates, the upper portion of valve body is equipped with the gas outlet.

2. A tire deflation and pressure relief valve as claimed in claim 1, wherein the lower end of the sealing rod divides the inner cavity of the valve body into an upper cavity and a lower cavity, the lower cavity is provided with a connecting part, and the connecting part is provided with a through vent hole.

3. The tire deflation and pressure relief valve of claim 2, wherein the air outlet is in communication with the upper chamber.

4. The tire deflation and pressure relief valve according to claim 3, wherein a part of the adjustment knob is transparent, and a graduated scale is arranged on the pressure adjustment piston corresponding to the transparent part of the adjustment knob.

5. The tire deflation and pressure relief valve of claim 4, wherein a positioning ring is threaded on the valve body below the adjustment knob.