CN202901434U - Filter tyre valve core - Google Patents
Filter tyre valve core Download PDFInfo
- Publication number
- CN202901434U CN202901434U CN 201220561170 CN201220561170U CN202901434U CN 202901434 U CN202901434 U CN 202901434U CN 201220561170 CN201220561170 CN 201220561170 CN 201220561170 U CN201220561170 U CN 201220561170U CN 202901434 U CN202901434 U CN 202901434U
- Authority
- CN
- China
- Prior art keywords
- core
- filter element
- fitting seat
- element fitting
- valve core
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a filter tyre valve core. A spring is arranged between a core rod and a core body. The valve core is further provided with a filter unit which comprises a filter component installing seat, a filter component and a filter component installing seat seal ring. The diameter of the filter component installing seat seal ring is larger than that of a throat diameter of a tyre valve core cavity and is smaller than or equal to 4.9mm. The thickness of the filter component installing seat seal ring is larger than or equal to 0.35mm and is smaller than or equal to 0.5mm. The diameters or maximum lateral dimensions of the filter component installing seat and a core seat are smaller than the diameter of the throat diameter of the tyre valve core cavity. Overall length of the filter tyre valve core is larger than or equal to 20mm, and is smaller than or equal to 21.5mm. The filter tyre valve core can be installed in a tyre valve conveniently, but the seal between the filter tyre valve core and the tyre valve is capable of not rely on the length and the shape of the lower of the tyre valve core cavity. The filter tyre valve core can adapt to tyre valves with different types, can be suitable for the tyre valves in elbow shapes, and therefore the filter tyre valve core can be in common use.
Description
Technical field
The utility model relates to tyre valve core, relates in particular to the filtration tyre valve core.
Background technique
Automobile is when running at high speed, and the tire internal air pressure is because of extruding and flowage friction meeting generation high temperature, affects Using Life of Tyre even causes and blow out.Existing solution is to be filled with chemical powder shape freezing mixture to make it to be deposited in play cooling action in the tire when tyre temperature raises in tire, to prolong tyre life, to prevent from blowing out.But common tyre valve core fills at tire, chemical powder shape freezing mixture can enter common core seal with air-flow when exitting, thereby causes valve inside gas leakage.
The valve inside with filtrating equipment in the past, it comprises core bar, core cap, core body, plug washer, core print seat, core print seat sealing gasket, spring, and core bar is fixedly connected with core print seat, and the core cap is fixedly connected with core body, and the core print seat sealing gasket is arranged on the core print seat.In order to make the valve inside with filtrating equipment can be installed in the valve cock and sealing, spring is arranged between core print seat and the filter element fitting seat, sealing between filter element fitting seat and the valve cock relies on described spring that the fitting seat of filter element is realized on the top downwards, the bottom of valve cock need to arrange for this reason and the fitting seat of filter element between the conical surface that seals.Like this, can only adapt to one to one with the valve inside of filtrating equipment given length, given shape special model valve cock and difference is common to the different air valve mouth, and, then also can't be suitable for for the knee valve cock.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of filtration tyre valve core, the filter core and the sealing gasket that fill, filter when exitting tyre valve core at tire stop chemistry cooling powder to leak, enter core seal, keep simultaneously the conventional tyre valve inside close gas and fill, the venting function; And more importantly have compatibility, can be applicable to the valve cock of different model.For this reason, the utility model by the following technical solutions: its member comprises core bar, core cap, core body, plug washer, core print seat, core print seat sealing gasket, spring, and core bar is fixedly connected with core print seat, and the core cap is fixedly connected with core body, and the core print seat sealing gasket is arranged on the core print seat; It is characterized in that
Described spring is arranged between core bar and the core body, core bar is upwards pushed up and makes the sealed pad sealing of gas channel between core print seat sealing gasket and the core body lower end;
Described valve inside also is provided with filtrating equipment, and described filtrating equipment comprises filter element fitting seat, filter element, filter element fitting seat seal ring; Described filter element fitting seat is connected to the below of core print seat, is provided with turnover gas passage in the described filter element fitting seat, and filter element is in the turnover gas passage; Filter element fitting seat seal ring is arranged on the outside of filter element fitting seat, space between the inflating valve core lumen pore wall of sealing filter element fitting seat and its side, described filter element fitting seat seal ring are under the top air inlet/outlet that passes in and out the gas passage, on the air inlet/outlet of bottom;
The diameter of described filter element fitting seat seal ring under free state be greater than the diameter in tyre valve core chamber larynx footpath, less than or equal to 4.9mm, thickness more than or equal to 0.35mm less than or equal to 0.5mm; The diameter of filter element fitting seat and core print seat or maximum transverse size are less than the diameter in inflating valve core chamber larynx footpath; Filter the overall length of tyre valve core more than or equal to 20mm, less than or equal to 21.5mm.
On the basis of adopting technique scheme, the utility model also can adopt following further technological scheme:
Described filter element fitting seat is cylindrical body, and above filter element fitting seat seal ring, filter element fitting seat side is provided with the vent of 2 symmetries as described top air inlet/outlet.
Described filter element fitting seat outer surface is provided with for the circular groove that filter element fitting seat seal ring is installed, and described filter element fitting seat seal ring is installed in the circular groove and is clenched.
Described filter element fitting seat hollow, filter element is column.
Described filter element fitting seat seal ring is rubber elastomer peripheral fillet, sheet type round.
Described filter element fitting seat upper end is provided with one section chime rings that diameter is less, and this annulus is used for the filter element fitting seat and is connected with core print seat.
Owing to adopting the technical solution of the utility model, the utility model adopts the gap between the valve cock hole wall of turnover seal ring sealing filter element fitting seat and its side, the thickness of sealing circle and the combination between the diameter can be overturn it by inflating valve core chamber larynx neck the time, be seated the valve cock hole wall sealing of rear naturally extension and filter element fitting seat side, thus, filtration tyre valve core provided by the utility model can be installed in the valve cock equally easily, but the sealing between itself and the valve cock can not rely on the length in inflating valve core chamber, lower shape, can be applicable to the valve cock of different model, and can be applicable to the valve cock of bend pipe shape, thereby make the utility model become universal filtration tyre valve core.
Description of drawings
Fig. 1 be the utility model filter tyre valve core embodiment partly cut open figure
Fig. 2 is the schematic diagram of the utility model when filtering the tyre valve core sealing gasket by the upset of inflating valve core chamber larynx neck.
Fig. 3 is that the utility model filters tyre valve core and backs down that core bar fills, the airflow route schematic diagram when exitting.
Fig. 4 is the erection drawing that the utility model filters tyre valve core and No. 1 core chamber valve cock.
Fig. 5 is for filtering the erection drawing of tyre valve core and No. 3 core chamber valve cocks.
Fig. 6 is the erection drawing that the utility model filters tyre valve core and knee valve cock.
Embodiment
With reference to accompanying drawing.Filtration tyre valve core of the present utility model, its member comprises core bar 1, core cap 2, core body 4, plug washer 5, core print seat 7, core print seat sealing gasket 6, spring 3, core bar 1 is fixedly connected with core print seat 7, and core cap 2 is fixedly connected with core body 4, and core print seat sealing gasket 6 is arranged on the core print seat 7;
Described spring 3 is arranged between core bar 1 and the core body 4, core bar 1 is upwards pushed up and makes the sealed pad sealing of gas channel between core print seat sealing gasket 6 and core body 4 lower ends;
Described valve inside also is provided with filtrating equipment, and described filtrating equipment comprises filter element fitting seat 8, filter element 10, filter element fitting seat seal ring 9; Described filter element fitting seat 8 is connected to the below of core print seat 7, is provided with turnover gas passage 80 in the described filter element fitting seat 8, and filter element 10 is in the turnover gas passage 80; Filter element fitting seat seal ring 9 is arranged on the outside of filter element fitting seat, space between the inflating valve core lumen pore wall 101 of sealing filter element fitting seat 8 and its side, described filter element fitting seat seal ring 9 are under the top air inlet/outlet 81 that passes in and out gas passage 80, on the bottom air inlet/outlet 82;
The diameter of described filter element fitting seat seal ring 9 under free state be greater than tyre valve core chamber larynx footpath 102, less than or equal to 4.9mm, thickness more than or equal to 0.35mm less than or equal to 0.5mm; The diameter of filter element fitting seat and core print seat or maximum transverse size are less than inflating valve core chamber larynx footpath; Filter the overall length of tyre valve core more than or equal to 20mm, less than or equal to 21.5mm, can be applied at present valve cock and the knee valve cock in the various different length cores chamber of use.
Described filter element fitting seat 8 is cylindrical body, and above filter element fitting seat seal ring 9, filter element fitting seat 8 sides are provided with the vent of 2 symmetries as described top air inlet/outlet 81.
Described filter element fitting seat 8 outer surfaces are provided with for the circular groove 83 that filter element fitting seat seal ring 9 is installed, and described filter element fitting seat seal ring 9 is installed in the circular groove 83 and is clenched.
Described filter element fitting seat hollow, filter element is column.As shown in the figure, described filter element fitting seat seal ring 9 is rubber elastomer peripheral fillet 91, sheet type round (body shape that also is cross section is rectangular), in order to improve upset performance and sealability.
Described filter element fitting seat 8 upper ends are provided with one section chime rings 84 that diameter is less, and this annulus 84 is used for filter element fitting seat 8 and is connected with core print seat 4.
Among Fig. 3, arrow circuit A, B are respectively and filter tyre valve core and back down that core bar fills, the airflow route direction when exitting.
Fig. 4 has shown a kind of shape of valve cock, and it is present No. 1 core chamber valve cock 200 using, and the bottom, core chamber of this valve cock has conical surface 201, and filtration tyre valve core in the past can be applicable to this valve cock; Similarly, valve inside of the present utility model can be installed in the valve cock by larynx neck 102 positions, core chamber of this valve cock, and the sealing between itself and the valve cock does not rely on length, the lower shape in inflating valve core chamber.
Fig. 5 has shown a kind of shape of valve cock, and it is present No. 3 core chamber valve cocks 300 using, and the bottom, core chamber of this valve cock does not have conical surface, and filtration tyre valve core in the past can not be applicable to this valve cock; But valve inside of the present utility model not only can be installed in the valve cock by larynx neck 102 positions, core chamber of this valve cock, and, because the sealing between the utility model and the valve cock does not rely on length, the lower shape in inflating valve core chamber, therefore valve inside of the present utility model can be used in this kind valve cock, plays a role in filtering.
Fig. 6 has shown a kind of shape of valve cock, it is the knee valve cock 400 that is using at present, the bottom, core chamber of this valve cock is bending, and the core cavity length is shorter than the core cavity length of No. 1 core chamber valve cock 200, and the filtration valve inside that is applicable to No. 1 core chamber valve cock 200 can not be used in this knee valve cock; But valve inside of the present utility model not only can be installed in the valve cock by larynx neck 102 positions, core chamber of this valve cock, and, because the sealing between the utility model and the valve cock does not rely on length, the lower shape in inflating valve core chamber, therefore valve inside of the present utility model can be used in this kind valve cock, plays a role in filtering.
With reference to Fig. 2, when it has shown filter element fitting seat seal ring of the present utility model 9 by inflating valve core chamber larynx neck 102, although its diameter greater than inflating valve core chamber larynx neck, it can overturn and pass through smoothly when being stopped by position, larynx footpath; With reference to Fig. 3,4,5,6, after valve inside is by the larynx neck, can naturally uphold the space between the inflating valve core lumen pore wall that seals filter element fitting seat and its side, thereby so that lower shape and the length in inflating valve core chamber can either be installed and can not relied on to valve inside smoothly.
Claims (6)
1. one kind is filtered tyre valve core, and its member comprises core bar, core cap, core body, plug washer, core print seat, core print seat sealing gasket, spring, and core bar is fixedly connected with core print seat, and the core cap is fixedly connected with core body, and the core print seat sealing gasket is arranged on the core print seat; It is characterized in that
Described spring is arranged between core bar and the core body, core bar is upwards pushed up and makes the sealed pad sealing of gas channel between core print seat sealing gasket and the core body lower end;
Described valve inside also is provided with filtrating equipment, and described filtrating equipment comprises filter element fitting seat, filter element, filter element fitting seat seal ring; Described filter element fitting seat is connected to the below of core print seat, is provided with turnover gas passage in the described filter element fitting seat, and filter element is in the turnover gas passage; Filter element fitting seat seal ring is arranged on the outside of filter element fitting seat, space between the inflating valve core lumen pore wall of sealing filter element fitting seat and its side, described filter element fitting seat seal ring are under the top air inlet/outlet that passes in and out the gas passage, on the air inlet/outlet of bottom;
The diameter of described filter element fitting seat seal ring under free state be greater than the diameter in tyre valve core chamber larynx footpath, less than or equal to 4.9mm, thickness more than or equal to 0.35mm less than or equal to 0.5mm; The diameter of filter element fitting seat and core print seat or maximum transverse size are less than the diameter in inflating valve core chamber larynx footpath; Filter the overall length of tyre valve core more than or equal to 20mm, less than or equal to 21.5mm.
2. a kind of filtration tyre valve core as claimed in claim 1 is characterized in that the filter element fitting seat is cylindrical body, and above filter element fitting seat seal ring, filter element fitting seat side is provided with the vent of 2 symmetries as described top air inlet/outlet.
3. a kind of filtration tyre valve core as claimed in claim 1 is characterized in that filter element fitting seat outer surface is provided with for the circular groove that filter element fitting seat seal ring is installed, and described filter element fitting seat seal ring is installed in the circular groove and is clenched.
4. a kind of filtration tyre valve core as claimed in claim 1 is characterized in that described filter element fitting seat hollow, and filter element is column.
5. a kind of filtration tyre valve core as claimed in claim 1 is characterized in that described filter element fitting seat seal ring is rubber elastomer peripheral fillet, sheet type round.
6. a kind of filtration tyre valve core as claimed in claim 1 is characterized in that filter element fitting seat upper end is provided with one section chime rings that diameter is less, and this annulus is used for the filter element fitting seat and is connected with core print seat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220561170 CN202901434U (en) | 2012-10-29 | 2012-10-29 | Filter tyre valve core |
| PCT/CN2013/082654 WO2014067338A1 (en) | 2012-10-29 | 2013-08-30 | Filter tire valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220561170 CN202901434U (en) | 2012-10-29 | 2012-10-29 | Filter tyre valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202901434U true CN202901434U (en) | 2013-04-24 |
Family
ID=48122105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220561170 Withdrawn - After Issue CN202901434U (en) | 2012-10-29 | 2012-10-29 | Filter tyre valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202901434U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927329A (en) * | 2012-10-29 | 2013-02-13 | 杭州万通气门嘴有限公司 | Filter tyre valve core |
| WO2014067338A1 (en) * | 2012-10-29 | 2014-05-08 | 杭州万通气门嘴有限公司 | Filter tire valve core |
| WO2021077626A1 (en) * | 2019-10-25 | 2021-04-29 | 高密同创气门芯有限公司 | Valve core and nitrogen spring |
-
2012
- 2012-10-29 CN CN 201220561170 patent/CN202901434U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927329A (en) * | 2012-10-29 | 2013-02-13 | 杭州万通气门嘴有限公司 | Filter tyre valve core |
| WO2014067338A1 (en) * | 2012-10-29 | 2014-05-08 | 杭州万通气门嘴有限公司 | Filter tire valve core |
| CN102927329B (en) * | 2012-10-29 | 2014-10-08 | 杭州万通气门嘴有限公司 | Filter tyre valve core |
| WO2021077626A1 (en) * | 2019-10-25 | 2021-04-29 | 高密同创气门芯有限公司 | Valve core and nitrogen spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20141008 |
|
| RGAV | Abandon patent right to avoid regrant |