CN203335584U - Conical inner tube nut - Google Patents
Conical inner tube nut Download PDFInfo
- Publication number
- CN203335584U CN203335584U CN2013200451628U CN201320045162U CN203335584U CN 203335584 U CN203335584 U CN 203335584U CN 2013200451628 U CN2013200451628 U CN 2013200451628U CN 201320045162 U CN201320045162 U CN 201320045162U CN 203335584 U CN203335584 U CN 203335584U
- Authority
- CN
- China
- Prior art keywords
- nut
- inner tube
- tyre
- main body
- taper inner
- 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
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Abstract
The utility model discloses a toper inner tube of a tyre nut, including nut main part and the screw hole that runs through the nut main part setting, two parts about the nut main part divides, the upper portion appearance is the toper. The utility model discloses the inner tube nut divides the different design of upper and lower two sides, and the upper end is the toper design, convenient and the inner tube of a tyre, rim strip, with the assembly of cover tire to prevention rim strip metal gasket card causes the inner tube of a tyre to damage gas leakage on the inner tube of a tyre nut, and the basal surface is the plane, can with the good contact of inner tube rim strip, minimize rim strip and with the valve cushion gap between, the extension inner tube of a tyre life.
Description
technical field
The utility model relates to a kind of tire nut, relates in particular to a kind of taper inner tube of a tyre nut with metallic shim rim strip coupling is arranged.
background technique [0004]air tube is positioned at inside tires, for the interior pressure that keeps tire ejection cover tire and cover tire is heaved, thereby is convenient to travel on road.The inner tube of a tyre is provided with the valve cock rubber cushion, and valve cock is arranged on valve pad glue, and inner tube of a tyre nut is assemblied on valve cock across rim strip.Inner tube of a tyre nut of the prior art is positive hexagon nut, the two ends vertical with axis are planar design, when positive hexagon nut assembles with the rim strip that metallic shim is installed, metallic shim is easy to be stuck on the plane of hexagon nut, cause between tube valve robber pad and rim strip having larger gap, after inflation, valve cock rubber cushion stress deformation is too large, very easily cause breach gas leakage, especially in summer, phenomenon more easily leaks air on winter and rough road surface, be directed at the overturning thing side that car crash occurs, therefore use the positive hexagonal helical of prior art serious quality problems easily occur and there is potential safety hazard.
the model utility content
The technical problems to be solved in the utility model is to provide a kind of inner tube valve place that avoids and leaks gas, extends the inner tube of a tyre taper inner tube of a tyre nut in working life.
The utility model is achieved by the following technical solution: the utility model taper inner tube of a tyre nut, and comprise nut main body and run through the tapped hole that nut main body arranges, nut main body divides upper and lower two-part, and top minute profile is taper.
Preferably, the bottom of nut main body minute profile is cylindricality.
Preferably, parallel surface is cut respectively in minute opposite flank, nut bottom.
Preferably, two spacings of cutting parallel surface are 13.8～14.5mm.
Preferably, 120 ° of chamferings are also cut in the lower end of tapped hole.
Preferably, the bottom of nut main body minute profile is regular hexagon.
Preferably, 13 times end-grain cutting chamferings of tapped hole are 135 °.
Preferably, height of nut 4.5～5.5mm.The cone height of nut upper end is 2-3.5 mm.
Compared with prior art, the utility model inner tube of a tyre nut divides, lower two sides different designs, upper end is conical design, convenience and the inner tube of a tyre, rim strip, assembling with cover tire, and prevention rim strip metallic shim is stuck on inner tube of a tyre nut, cause the inner tube of a tyre to damage gas leakage, bottom surface is plane, can with inner tube of a tyre pad good contact, thereby can effectively prevent metallic shim to be stuck on hexagon nut and cause having between tube valve robber pad and rim strip the situation in larger gap to occur, many and avoided causing the even generation of traffic accident of damaged tyres because this problem causes the gas leakage of tube valve robber pad breach.
the accompanying drawing explanation
Fig. 1 a, 1b are the schematic diagram of the utility model the first mode of execution.
Fig. 2 a, 2b are the schematic diagram of the utility model the second mode of execution.
embodiment
The utility model taper inner tube of a tyre nut 1 comprises nut main body 11, runs through the tapped hole 13 of nut main body 11.The upper end of nut main body 11 is designed for circular cone, and the lower end of nut main body 11 is designed for column.
Please refer to shown in Fig. 1 a, 1b, nut main body 11 height (or thickness) are H, are divided into upper and lower two-part, top minute profile is taper, height h1, and bottom minute profile is cylindricality, height h2, H is h1 and h2 sum, top surface and the bottom surface of nut main body 11 are plane.Interior threaded hole 13 adopts NBS inner tube valve screw thread 12V1, and for ease of the installation of nut, parallel surface 15,17 is cut in the opposite flank of the cylindrical section of nut main body.In the present embodiment, the about 15.5～16mm of the maximum outside diameter Φ of nut main body 11.Two spacing A value 13.8～14.5mm that cut parallel surface 15,17.Height of nut H value 4.5～5.5mm, h1 value 2-3.5 mm, h2 value 2-3.5 mm.The nut bottom surface contacts with inner tube of a tyre pad, adopts planar design.Certainly, simultaneously for ease of mounting nuts, undercut ss can also be cut in the lower end of tapped hole 13, and undercut ss is 120 °.
Please refer to shown in Fig. 2 a, 2b, the nut bottom of the utility model the second mode of execution is divided into regular hexagon, can be screwed nut from using six different amount of spanner, itself and the first mode of execution difference only are that the nut of the first mode of execution is that lower part is cylindricality, and the bottom of the present embodiment nut is divided into regular hexagon.Regular hexagon two parallel plane spacing A value 16～17mm.Height of nut (or thickness) H value 4.5～5.5mm.The nut lower end contacts with inner tube of a tyre planchet, adopts planar design.Upper end is conical design, cone height h1 value 2-3.5 mm.Lower Half is hexagonal height h2 value 2-3.5 mm.Nut inner thread adopts NBS inner tube valve screw thread 12V1.Certainly, for convenience of nut, be screwed, undercut ss can also be cut in tapped hole 13 lower ends, and β is 135 °.
In addition, for nut is smooth to the touch, do not cut hand, in first, second embodiment of the utility model, taper upper and lower end and nut lower surface angular edge can adopt R (0.1-0.2) mm fillet to process.
The utility model taper inner tube of a tyre nut upper end is conical design, facilitate the inner tube of a tyre, rim strip, with the assembling of cover tire, and prevention rim strip metallic shim is stuck on inner tube of a tyre nut, causes the inner tube of a tyre to damage gas leakage.
Described above is better embodiment of the present utility model; only that the example effect does not limit protection domain of the present utility model, in the distortion that does not depart from spirit of the present utility model, revise and all to fall in the protection domain that the utility model claim limits.
Claims (9)
1. a taper inner tube of a tyre nut, comprise nut main body and run through the tapped hole that nut main body arranges, and it is characterized in that: nut main body divides upper and lower two-part, and top minute profile is taper.
2. taper inner tube of a tyre nut as claimed in claim 1, it is characterized in that: the bottom of described nut main body minute profile is cylindricality.
3. taper inner tube of a tyre nut as claimed in claim 2, it is characterized in that: parallel surface is cut respectively in minute opposite flank, described nut bottom.
4. taper inner tube of a tyre nut as claimed in claim 3, it is characterized in that: two spacings of cutting parallel surface are 13.8～14.5mm.
5. taper inner tube of a tyre nut as claimed in claim 1, it is characterized in that: 120 ° of chamferings are also cut in the lower end of described tapped hole.
6. taper inner tube of a tyre nut as claimed in claim 1, it is characterized in that: the bottom of described nut main body minute profile is regular hexagon.
7. taper inner tube of a tyre nut as claimed in claim 1, it is characterized in that: under described tapped hole, the end-grain cutting chamfering is 135 °.
8. as the described taper inner tube of a tyre of any one in claim 1-7 nut, it is characterized in that: described height of nut 4.5～5.5mm.
9. as the described taper inner tube of a tyre of any one in claim 1-7 nut, it is characterized in that: the cone height of described nut upper end is 2-3.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200451628U CN203335584U (en) | 2013-01-28 | 2013-01-28 | Conical inner tube nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200451628U CN203335584U (en) | 2013-01-28 | 2013-01-28 | Conical inner tube nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335584U true CN203335584U (en) | 2013-12-11 |
Family
ID=49704261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200451628U Expired - Fee Related CN203335584U (en) | 2013-01-28 | 2013-01-28 | Conical inner tube nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335584U (en) |
-
2013
- 2013-01-28 CN CN2013200451628U patent/CN203335584U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20220128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |