CN214404840U - Self-sealing air tap of air horn - Google Patents
Self-sealing air tap of air horn Download PDFInfo
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- CN214404840U CN214404840U CN202023123667.0U CN202023123667U CN214404840U CN 214404840 U CN214404840 U CN 214404840U CN 202023123667 U CN202023123667 U CN 202023123667U CN 214404840 U CN214404840 U CN 214404840U
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- air
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- threaded connection
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Abstract
The utility model relates to an air horn technical field especially discloses an air horn's self-sealing formula air cock, including a threaded connection end and pore end, threaded connection is served and is provided with round platform portion, and the pore end is kept away from to the less one end of bottom surface in this round platform portion. By adopting the structure, the self-sealing air tap of the air horn, which simplifies the installation process, reduces the cost and improves the sealing effect, is provided.
Description
Technical Field
The utility model relates to an air horn technical field, especially an air horn's self-sealing formula air cock.
Background
Air horn has an air cock of connection on plastic base, has a threaded connection end on the air cock, and among the prior art, plastic base inlays on being equipped with the nut, is provided with on the nut and supplies the sealing washer to inlay the ring channel of establishing, threaded connection end and nut threaded connection, and threaded connection end's threaded surface need twine the thread seal area or scribble sealed glue, and the process is many, and the structure is many, and sealed effect is not good.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a simplify the installation, reduce cost, improve the self-sealing air cock of the air horn of sealed effect.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a self-sealing formula air cock of air horn, includes a threaded connection end and venthole end, threaded connection is served and is provided with the round platform portion, and the venthole end is kept away from to the less one end of bottom surface in this round platform portion.
Among the above-mentioned technical scheme, increase the tapering design on the threaded connection end of original air cock, boss portion and plastic base air inlet interference fit, during the air cock installation, under the effect of installation torsion, plastic base air inlet border is by boss portion extrusion deformation, and the clearance between the two is filled completely to this forms completely sealed, and sealing washer and sealed with the use of raw material area and sealed glue in this kind of mode can reduce traditional structure, and reduce cost increases production efficiency.
As a further setting of the utility model, the boss portion is located the position that the threaded connection end is close to the gas vent end.
Among the above-mentioned technical scheme, the round platform portion is close to the gas pocket end as far as possible, avoids the air cock to expose the part outside plastic base too much, influences whole volume.
As a further arrangement of the utility model, the included angle between the circumferential surface of the circular table part and the axis of the circular table part is 3-7 degrees.
Among the above-mentioned technical scheme, the global contained angle rather than the axis of preferred round platform portion is 5 degrees, and when the contained angle was too big, can be by the transition extrusion around the plastic base mounting hole, it is serious to warp, and when the contained angle was too little, interference fit's dynamics was not enough, influences sealed effect.
As a further setting of the utility model, the diameter of the great one end of bottom surface in the round platform portion is greater than the external diameter of external screw thread on the threaded connection end.
Among the above-mentioned technical scheme, the diameter of the less one end of bottom surface in the circular platform portion is less than or equal to the external diameter of the external screw thread on the threaded connection end, avoids destroying the structure of plastic base air inlet periphery in advance.
The present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a sectional view of the structure of the present invention in use;
FIG. 2 is a schematic structural diagram of the prior art of the present invention;
FIG. 3 is a cross-sectional view of the structure of the embodiment of the present invention in use;
fig. 4 is a front view of the structure of the embodiment of the present invention.
Detailed Description
The embodiment of the present invention is shown in fig. 3-4, which is a self-sealing air faucet of an air horn, comprising a threaded connection end 1 and an air vent end 2, wherein the threaded connection end 1 is provided with a circular boss portion 11, and the end 111 with a smaller bottom surface in the circular boss portion 11 is far away from the air vent end 2. Increase the tapering design on the threaded connection end 1 of original air cock, round platform portion 11 and plastic base air inlet interference fit, during the air cock installation, under the effect of installation torsion, plastic base air inlet border is by round platform portion 11 extrusion deformation, and the clearance between the two is filled completely to this formation is sealed completely, and this kind of mode can reduce in the traditional structure sealing washer and sealed with the application of raw material area and sealed glue, reduce cost increases production efficiency.
The above-mentioned circular truncated cone portion 11 is located at a position where the screw coupling end 1 is close to the port end 2. The circular table part 11 is close to the air hole end 2 as much as possible, so that the problem that the whole volume is influenced by too many parts of the air faucet exposed outside the plastic base is avoided.
The included angle between the peripheral surface 112 of the circular table portion 11 and the axis thereof is 3-7 degrees. The included angle between the circumferential surface 112 of the preferred circular truncated cone portion 11 and the axis thereof is 5 degrees, when the included angle is too large, the periphery of the plastic base mounting hole can be excessively extruded, the deformation is serious, and when the included angle is too small, the strength of interference fit is insufficient, and the sealing effect is influenced.
The larger end 113 of the bottom surface of the circular truncated cone 11 has a diameter larger than the outer diameter of the male screw of the screw connection end 1. The diameter of the smaller end 111 of the bottom surface in the circular table part 11 is smaller than or equal to the outer diameter of the external thread on the threaded connection end 1, so that the structure of the periphery of the air inlet of the plastic base is prevented from being damaged in advance.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.
Claims (4)
1. The utility model provides a self-sealing formula air cock of air horn, includes a threaded connection end and venthole end, its characterized in that: the threaded connection end is provided with a circular table portion, and the end, with the smaller bottom surface, of the circular table portion is far away from the air hole end.
2. The self-sealing air tap of an air horn of claim 1, wherein: the circular truncated cone portion is located at a position where the threaded connecting end is close to the air hole end.
3. A self-sealing air tap of an air horn according to claim 1 or 2, wherein: the included angle between the circumferential surface of the circular table part and the axis of the circular table part is 3-7 degrees.
4. The self-sealing air tap of an air horn of claim 3, wherein: the diameter of the end with the larger bottom surface in the circular truncated cone part is larger than the outer diameter of the external thread on the threaded connection end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123667.0U CN214404840U (en) | 2020-12-22 | 2020-12-22 | Self-sealing air tap of air horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023123667.0U CN214404840U (en) | 2020-12-22 | 2020-12-22 | Self-sealing air tap of air horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404840U true CN214404840U (en) | 2021-10-15 |
Family
ID=78039974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023123667.0U Active CN214404840U (en) | 2020-12-22 | 2020-12-22 | Self-sealing air tap of air horn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214404840U (en) |
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2020
- 2020-12-22 CN CN202023123667.0U patent/CN214404840U/en active Active
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