CN2168747Y - Inner tube valve of bicycle - Google Patents
Inner tube valve of bicycle Download PDFInfo
- Publication number
- CN2168747Y CN2168747Y CN 93241336 CN93241336U CN2168747Y CN 2168747 Y CN2168747 Y CN 2168747Y CN 93241336 CN93241336 CN 93241336 CN 93241336 U CN93241336 U CN 93241336U CN 2168747 Y CN2168747 Y CN 2168747Y
- Authority
- CN
- China
- Prior art keywords
- sealing plug
- valve
- valve body
- cylindrical
- inner tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Check Valves (AREA)
Abstract
The utility model discloses an inner tube air valve for man-power vehicles, comprising a valve body, a valve core and a sealing plug. An inner cavity is formed by machine work or moulding, and the inner cavity is provided with steps with variable diameters. The upper portion of the inner cavity is provided with the valve body holding the threads of a dust proof cap, the cylindrical valve core and the cylindrical sealing plug whose upper and lower ends are in cylindrical shapes, and the middle of the cylindrical sealing plug is provided with an airflow channel. Then, the valve core, the sealing plug and the valve body are assembled in turn.
Description
The utility model belongs to technical field of traffic transportation, particularly is applicable to the valve inside that the inflation of the rickshaw inner tube of a tyre, air storage are used, and its international patent is B60C.
Valve inside as prior art is the structure of overlapping a rubber tubing on the air tube of a taper band positioning groove.Though this valve inside is simple in structure, be easy to make big, the damaged gas leakage of the easily aging pressurized of rubber tubing of required external pressure when its weak point is inflation.
The utility model is exactly for overcoming a kind of Novel Human cycle tube of above-mentioned deficiency design-calculated valve inside.
The purpose of this utility model can reach by following measure: this valve is made up of valve body, spool and sealing plug, the endoluminal means cylindrical spool of valve body, bottom device sealing plug.
Particularly, the utility model is to finish by following measure.
Selecting for use metal or non-metallic material machinework or mold pressing to make inner chamber has reducing step, top that the cylinder shape valve of screwing the dust cap screw thread is arranged; Cylindrical spool; Two ends are conical, hollow and the cylindrical seal plug of gas channel are arranged up and down.
Then successively with spool and sealing plug device in body cavity and valve body lower portion.
Working process of the present utility model is as follows:
Aeration gas flow enters from valve body is suitable for reading, and spool moves down air-flow and enters the inner tube of a tyre through air extractor vent and sealing plug air extractor vent, stops inflation, the air pressure of the inner tube of a tyre makes spool upwards, spool is raised to most significant bit, and valve inside is in air-tight state, thereby makes the inner tube of a tyre not because of the gas leakage of valve inside reason.
The advantage that the utility model had is:
1, reasonable in design, simple in structure, be easy to make, productive costs is low;
2, required inflation pressure is little, and small portable or low pressure inflator can be inflated, and makes things convenient for women, children, older and weakling;
3, the sealing reliably, not fragile, long service life;
4, can exchange with existing valve inside, easy to utilize.
Be described in further detail the utility model below in conjunction with embodiment.
Accompanying drawing is embodiment of the present utility model
Among the figure: 1-valve body 2-spool 3-sealing plug
Making inner chamber with metallic material by machinework has reducing step, top that the cylinder shape valve of screwing the dust cap screw thread is arranged; Again with the cylindrical spool of mold moulding and up and down two ends be conical, hollow and have the cylindrical seal plug of gas channel to install inner chamber and bottom successively at valve body.
Claims (3)
1, the gas filed valve inside of a kind of suitable rickshaw inner tube of a tyre, it is characterized in that: this valve inside is formed the endoluminal means cylindrical spool [2] of valve body [1], bottom device sealing plug [3] by valve body [1], spool [2] and sealing plug [3].
2, according to the described valve inside of claim 1, it is characterized in that: the inner chamber of valve body [1] has the reducing step of gas channel and device spool [2].
3, according to the described valve inside of claim 1, it is characterized in that: sealing plug [3] is that two ends are cylindrical-conical cylinder up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93241336 CN2168747Y (en) | 1993-10-11 | 1993-10-11 | Inner tube valve of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93241336 CN2168747Y (en) | 1993-10-11 | 1993-10-11 | Inner tube valve of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2168747Y true CN2168747Y (en) | 1994-06-15 |
Family
ID=33815329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93241336 Expired - Fee Related CN2168747Y (en) | 1993-10-11 | 1993-10-11 | Inner tube valve of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2168747Y (en) |
-
1993
- 1993-10-11 CN CN 93241336 patent/CN2168747Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |