CN215110744U - Safety valve assembly and system for charging and discharging wheels - Google Patents
Safety valve assembly and system for charging and discharging wheels Download PDFInfo
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- CN215110744U CN215110744U CN202121326886.0U CN202121326886U CN215110744U CN 215110744 U CN215110744 U CN 215110744U CN 202121326886 U CN202121326886 U CN 202121326886U CN 215110744 U CN215110744 U CN 215110744U
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- valve assembly
- rim
- safety valve
- spring
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Abstract
The utility model discloses a safety valve assembly, which is arranged at the inner side of a rim, and comprises a set screw, a valve cover, a gasket, a spring, a valve rod and a valve body which are arranged in sequence from top to bottom, wherein the valve body is connected with the rim, the valve cover and the valve body enclose an accommodating space, the gasket, the spring and the valve rod are arranged in the accommodating space in sequence, one end of the spring is abutted to the gasket, and the other end is abutted to the valve rod; the valve cover is provided with a through hole, and the set screw penetrates through the through hole and abuts against the gasket. The safety valve assembly provided by the utility model is arranged at the inner side of the rim, thereby avoiding the possibility of rubbing by cutting and wrong screwing, improving the safety and avoiding the failure of the inflation and deflation system caused by wrong screwing of the safety valve assembly; meanwhile, the tightness of the spring is controlled more precisely through the set screw, the air pressure of inflation is convenient to calculate, the adjustability of the safety valve assembly is improved, and the precision is higher.
Description
Technical Field
The utility model relates to a tire fills gassing technical field, especially relates to a relief valve assembly and is used for the system that the wheel inflated and deflated.
Background
At present, in an inflation and deflation system applied to a tire, a safety valve assembly is connected with an inflating valve of the tire, is placed on the outer side of the tire, and is used for protecting the air pressure of the tire by screwing a spring in the safety valve assembly before delivery, so as to prevent air leakage. The safety valve assembly is arranged on the outer side of the tire and is easy to scratch, the possibility of wrong screwing also exists, and once the safety valve assembly is mistakenly screwed, the failure of the air charging and discharging system is possibly caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a relief valve assembly is placed in the tire outside, is easily wrong so that the problem of inflating and deflating system inefficacy with solving among the prior art relief valve assembly.
In order to achieve the above object, the present invention provides the following technical solutions: a safety valve assembly is arranged on the inner side of a rim, and comprises a set screw, a valve cover, a gasket, a spring, a valve rod and a valve body which are sequentially arranged from top to bottom, wherein the valve body is connected with the rim, the valve cover and the valve body enclose an accommodating space, the gasket, the spring and the valve rod are sequentially arranged in the accommodating space, one end of the spring is abutted against the gasket, and the other end of the spring is abutted against the valve rod; the valve cover is provided with a through hole, and the set screw penetrates through the through hole and abuts against the gasket.
Further, the set screw is in threaded connection with the valve cover.
Further, the gasket is including locating first step portion in the valve gap and with the second step portion that first step portion is connected, the spring suit is in on the second step portion and with first step portion butt.
Furthermore, the valve body comprises a first end, a second end and a third end which are communicated, the first end is connected with the valve cover to form the accommodating space, the second end is an air inlet, the air inlet is connected with an air charging and discharging device, the third end is an air outlet, and the air outlet is connected with the rim.
Further, the valve rod is provided with a second sealing ring at a position close to the second end.
Further, the valve rod is provided with a third sealing ring at a position close to the third end.
Further, the relief valve assembly further comprises a first seal ring disposed between the valve body and the rim.
The utility model also provides a system for be used for the wheel to fill gassing, including above-mentioned arbitrary any relief valve assembly and rim, relief valve assembly locates the rim is inboard.
Further, the inflating valve is connected with the wheel rim.
Compared with the prior art, the utility model provides a relief valve assembly has following advantage:
the safety valve assembly provided by the utility model is arranged at the inner side of the rim, thereby avoiding the possibility of rubbing by cutting and wrong screwing, improving the safety and avoiding the failure of the inflation and deflation system caused by wrong screwing of the safety valve assembly; meanwhile, the spring is controlled more precisely through the set screw, the air pressure of inflation can be calculated conveniently, the adjustability of the safety valve assembly is improved, and the precision is higher.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:
fig. 1 is a schematic structural diagram of a safety valve assembly according to a preferred embodiment of the present invention;
FIG. 2 is a top view of the safety valve assembly shown in FIG. 1;
fig. 3 is a cross-sectional view of the safety valve assembly shown in fig. 2 taken along line a-a.
Reference numerals:
the valve comprises a 1 set screw, a 2 valve cover, a 20 through hole, a 3 gasket, a 31 first step part, a 32 second step part, a 4 spring, a 5 valve rod, a 51 second sealing ring, a 52 third sealing ring, a 6 valve body, a 61 first end, a 62 second end, a 63 third end and a 7 first sealing ring.
Detailed Description
The present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific examples described in the following embodiments of the present invention are merely illustrative of specific embodiments of the present invention and do not constitute limitations on the scope of the invention.
The invention is further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a safety valve assembly according to a preferred embodiment of the present invention.
The embodiment provides a safety valve assembly, which is arranged on the inner side of a rim, and comprises a set screw 1, a valve cover 2, a gasket 3, a spring 4, a valve rod 5 and a valve body 6 which are sequentially arranged from top to bottom, wherein the valve body 6 is connected with the rim, the valve cover 2 and the valve body 6 enclose an accommodating space, the gasket 3, the spring 4 and the valve rod 5 are sequentially arranged in the accommodating space, one end of the spring 4 is abutted against the gasket 3, and the other end is abutted against the valve rod 5; the valve cover 2 is provided with a through hole 20, and the set screw 1 penetrates through the through hole 20 and abuts against the gasket 3.
The safety valve assembly is arranged on the inner side of the rim, so that the possibility of rubbing and wrong screwing is avoided, the safety is improved, and the failure of an inflation and deflation system caused by wrong screwing of the safety valve assembly is avoided; meanwhile, the tightness of the spring is controlled more precisely through the set screw, the air pressure of inflation is convenient to calculate, the adjustability of the safety valve assembly is improved, and the precision is higher.
The set screw 1 is a screw specially used for fixing the relative position of the machine parts. In this embodiment, the holding screw 1 with valve gap 2 threaded connection, simple structure easily operates, after valve gap 2 with valve body 6 connects, through gasket 3 will spring 4 is preliminary fixed, and the rethread rotatory holding screw 1 will spring 4's position is further inwards fixed, and the regulation is more meticulous.
The through hole 20 on the valve cover 2 is matched with the size of the set screw 1.
The spring 4 is a part made of elastic material, deforms under the action of external force, and restores to the original shape after the external force is removed.
As shown in fig. 2 and 3, wherein fig. 2 is a top view of the safety valve assembly shown in fig. 1;
fig. 3 is a cross-sectional view of the safety valve assembly shown in fig. 2 taken along line a-a.
The valve body 6 comprises a first end 61, a second end 62 and a third end 63 which are communicated with each other, the first end 61 is connected with the valve cover 2 to form the accommodating space in a surrounding mode, the second end 62 is an air inlet, the air inlet is connected with an air charging and discharging device, the third end 63 is an air outlet, and the air outlet is connected with the rim.
The safety valve assembly is used as a pneumatic control one-way valve, when a tire needs to be inflated, the inflation and deflation device is used for providing a gas source, the pressure of gas provided by the gas source overcomes the force of the spring 4 to enable the valve rod 5 to move upwards, the gas inlet is communicated with the gas outlet, the safety valve assembly is opened, and the gas enters the rim through the gas outlet to be inflated; when the tire is inflated or deflated, the inflation and deflation device stops providing the air source, the spring 4 restores to the original state to enable the valve rod 5 to move downwards, the air inlet is separated from the air outlet, and the safety valve assembly is automatically closed to protect the air pressure of the tire.
The valve stem 5 is provided with a second sealing ring 51 near the second end 62, in particular, at the side of the valve stem 5 to improve the sealing.
The valve stem 5 is provided with a third sealing ring 52 near the third end 63, in particular at the end of the valve stem 5, to improve the sealing.
The safety valve assembly further comprises a first sealing ring 7 arranged between the valve body 6 and the rim so as to improve the sealing property.
The embodiment also provides a system for inflating and deflating the wheel, which comprises the safety valve assembly and a rim, wherein the safety valve assembly is arranged on the inner side of the rim.
In this embodiment, the relief valve assembly replaces the valve, but in other embodiments, the system for inflating and deflating a wheel may further include a valve connected to the rim, and both the inflation and deflation are performed by the relief valve assembly and the function of the valve is maintained.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim.
Claims (9)
1. The safety valve assembly is arranged on the inner side of a rim, and comprises a set screw (1), a valve cover (2), a gasket (3), a spring (4), a valve rod (5) and a valve body (6) which are sequentially arranged from top to bottom, wherein the valve body (6) is connected with the rim, the valve cover (1) and the valve body (6) enclose an accommodating space, the gasket (3), the spring (4) and the valve rod (5) are sequentially arranged in the accommodating space, one end of the spring (4) is abutted against the gasket (3), and the other end of the spring is abutted against the valve rod (5); be equipped with through-hole (20) on valve gap (2), holding screw (1) run through-hole (20) with gasket (3) butt.
2. A safety valve assembly according to claim 1, wherein the set screw (1) is threadedly connected to the valve cover (2).
3. A safety valve assembly according to claim 1, wherein the gasket (3) comprises a first step portion (31) provided in the bonnet (2) and a second step portion (32) connected to the first step portion (31), the spring (4) being fitted over the second step portion (32) and abutting against the first step portion (31).
4. The safety valve assembly according to claim 1, wherein the valve body (6) comprises a first end (61), a second end (62) and a third end (63) which are communicated with each other, the first end (61) is connected with the valve cover (2) to define the accommodating space, the second end (62) is an air inlet which is connected with an air charging and discharging device, the third end (63) is an air outlet which is connected with the rim.
5. A safety valve assembly according to claim 4, wherein the valve stem (5) is provided with a second sealing ring (51) adjacent the second end (62).
6. A safety valve assembly according to claim 4, wherein the valve stem (5) is provided with a third sealing ring (52) adjacent the third end (63).
7. A safety valve assembly according to claim 1, further comprising a first sealing ring (7) arranged between the valve body (6) and the rim.
8. A system for inflating and deflating a wheel, comprising a safety valve assembly as claimed in any one of claims 1 to 7, and a rim, said safety valve assembly being provided inside said rim.
9. A system for inflating and deflating a wheel according to claim 8, further comprising a valve connected to said rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121326886.0U CN215110744U (en) | 2021-06-15 | 2021-06-15 | Safety valve assembly and system for charging and discharging wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121326886.0U CN215110744U (en) | 2021-06-15 | 2021-06-15 | Safety valve assembly and system for charging and discharging wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110744U true CN215110744U (en) | 2021-12-10 |
Family
ID=79306285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121326886.0U Active CN215110744U (en) | 2021-06-15 | 2021-06-15 | Safety valve assembly and system for charging and discharging wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110744U (en) |
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2021
- 2021-06-15 CN CN202121326886.0U patent/CN215110744U/en active Active
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