CN211592125U - Valve stem of air tap - Google Patents
Valve stem of air tap Download PDFInfo
- Publication number
- CN211592125U CN211592125U CN202020153971.0U CN202020153971U CN211592125U CN 211592125 U CN211592125 U CN 211592125U CN 202020153971 U CN202020153971 U CN 202020153971U CN 211592125 U CN211592125 U CN 211592125U
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- rod
- air
- valve stem
- outer coating
- rod body
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Abstract
The utility model relates to an air valve rod, which comprises a rod body, an airtight seat and an outer coating, wherein the rod body sequentially forms a rod part, a connecting part and an extending part from top to bottom, a ventilation channel is formed inside the rod body, the airtight seat is coated outside the connecting part of the rod body and extends downwards to form a connecting channel with a downward opening, a connecting groove is formed outside the airtight seat in a surrounding way, the extending part extends into the connecting channel and extends to the bottom position of the connecting groove, the outer coating is coated outside the outer peripheral surface of the extending part of the rod body and is connected with the airtight seat, and a gap is formed between the outer coating and the inner side wall of the connecting channel, the air valve rod of the utility model is designed by the extending part of the rod body, and the outer coating of the extension part and the clearance between the outer coating and the inner wall surface of the connecting channel are matched, so that the bottom edge of the extension part can be prevented from cutting the inner wall surface of the airtight seat in the process of being stressed and inclined, and the service life of the air tap valve rod can be effectively prolonged.
Description
Technical Field
The present invention relates to an air valve stem, and more particularly to an air valve stem installed on a wheel rim of a tire for providing a user with an air valve stem for inflating the tire.
Background
In order to allow a user to inflate the tire through an external air supply device, the wheel rim of the tire is provided with an air valve stem, and as shown in fig. 4, the air valve stem applied to automobiles and motorcycles comprises a rod 80 and an air sealing seat 81 made of rubber, a ventilation channel 801 is formed inside the rod 80, the air sealing seat 81 covers the bottom of the rod 80 and extends downwards to form a connecting channel 811 communicating with the ventilation channel 801, and the air sealing seat 81 forms an annular assembling groove 812 at an outer side position opposite to the connecting channel 811.
As shown in fig. 5, when the valve stem is disposed on the tire, the airtight seat 81 extends into the assembling hole 91 of the wheel frame 90, so that the hole edge of the assembling hole 91 of the wheel frame 90 extends into and is fastened in the assembling groove 812 of the airtight seat 81, and the rod 80 extends out of the wheel frame 90, so that a user can connect an external air supply device to the rod 80 of the valve stem to perform the inflation operation of the tire.
However, when the valve stem of the air valve is disposed on the wheel frame 90 of the tire and pulled by an external force, because the rod 80 is disposed above the assembling groove 812 of the airtight seat 81, and the wheel frame 90 is assembled at the assembling groove 812, the inside of the connecting channel 811 of the airtight seat 81 is hollow, if the rod 80 is greatly inclined relative to the airtight seat 81 in the process of being pulled by the external force, the bottom edge of the rod 80 corresponding to the assembling groove 812 will abut against the inside of the connecting channel 811 of the airtight seat 81, and a lateral notch is easily formed at the connecting position of the airtight seat 81 and the bottom edge of the rod 80 for a long time, and the airtight seat 81 is easily broken from the notch, thereby generating the problem of air leakage.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the problem that the air nozzle valve rod is broken due to the fact that the air nozzle valve rod is pulled by external force for a long time is solved.
The technical solution of the utility model is that: providing an air tap valve rod, wherein the air tap valve rod comprises a rod body, an airtight seat and an outer coating layer, the rod body comprises a rod part, a connecting part and an extending part, a thread section is formed on the outer side of the rod part, the connecting part is formed at the bottom end of the rod part, the extending part is formed at the bottom end of the connecting part, a ventilation channel is formed inside the rod body, the airtight seat is coated outside the connecting part of the rod body and extends downwards to form a connecting channel with a downward opening, the connecting channel is communicated with the ventilation channel, the outer side of the airtight seat surrounds to form a group of connecting grooves, the extending part extends into the connecting channel and extends to the bottom position of the group of connecting grooves, a gap is formed between the outer coating layer and the inner side wall of the connecting channel, the outer coating layer is coated on the outer peripheral surface of the extending part of the rod body, and the outer coating layer is connected with the airtight seat.
The air faucet valve stem as described above, wherein the outer coating extends to cover the bottom surface of the extending portion.
The air nozzle valve rod as described above, wherein the air-tight seat forms a limit rib above the assembling groove, and the air-tight seat forms a contact part below the assembling groove.
In the air faucet valve stem, the abutting portion forms an abutting surface inclined upward and facing outward.
The air faucet valve stem as described above, wherein the thread section is located at an upper section of the stem portion.
The air tap valve rod is characterized in that the rod body is a straight pipe.
The air tap valve rod is characterized in that the rod body is a bent pipe.
The utility model discloses the air cock valve rod is used for setting up on the wheel frame of tire to provide the user and can aerify the tire through connecting outside air feeder, the utility model has the advantages that:
1. the service life is prolonged: because the utility model discloses the air cock valve rod the extension of the body of rod stretches into link up the passageway, and extend to the bottom position in the montage groove of airtight seat, just the outer coating with be formed with the clearance between the internal face that links up the passageway, work as the air cock valve rod sets up when the wheel frame, the position that the position of the montage groove of airtight seat is fixed to the wheel frame can be located the top of extension bottom edge, and the bottom of the body of rod is not in same horizontal plane department, consequently, when the body of rod receives external force and pulls, the linking portion of the body of rod can form the fulcrum of slope with the linking department of extension, just the clearance can provide the slope space of this airtight seat certain angle of the body of rod relatively, except making the body of rod can have certain space slope, and can avoid the body of rod atress and cutting airtight seat, borrow this improvement the life of air cock valve rod.
In addition, the outer cover is in the outer coating of extension makes the body of rod of air cock valve rod is when receiving external force and pulling, a side of extension can pass through the outer coating pastes and supports link up the inside wall of passageway, can avoid the base edge of extension cuts at the in-process of atress slope the internal face of airtight seat, borrow this can further improve the life of air cock valve rod.
2. Improve the equipment convenience: as aforementioned, because the utility model discloses the outer coating of air cock valve rod with be formed with between the internal face that links up the passageway the clearance, so when the user is in the installation during the air cock valve rod, the clearance can provide airtight seat warp space inwards, borrow this and effectively reduce the equipment degree of difficulty, and then improve the convenience of air cock valve rod when assembling at the wheel frame.
3. Improve airtight effect: work as the air cock valve rod is installed on the wheel frame of tire to when inflating the tire, the gas that fills can get into outer coating with in the clearance between the internal face that links up the passageway, at this moment, airtight seat can outwards expand, and makes the cell wall in assembly groove can more tightly support the hole edge in the group's hole is established to the wheel frame, so can further improve airtight effect when the wheel frame of tire is installed to the air cock valve rod.
Drawings
Fig. 1 is a schematic side view of a first preferred embodiment of the valve stem of the present invention.
Fig. 2 is a schematic side view of a second preferred embodiment of the valve stem of the present invention.
Fig. 3 is a schematic view of the air faucet valve stem of the present invention disposed on the wheel frame according to the first preferred embodiment.
FIG. 4 is a side view of a valve stem of a conventional air faucet.
FIG. 5 is a schematic view of a valve stem of a conventional air faucet disposed on a wheel frame.
Description of the symbols:
10a, 10b rod 11a,11b rod
111: 12: engagement portion of threaded segment
13, extension 14, vent channel
20: airtight seat 21: connecting channel
22, assembling groove 221 and limiting convex rib
222 contact part 223 contact surface
Gap 30 outer cover 23
40, wheel frame 41, assembling holes
80, a rod body 801 and a ventilation channel
81: air-tight seat 811: connecting channel
812 assembling groove 90 wheel frame
91, assembling holes
Detailed Description
The following description of the preferred embodiments of the present invention will be made in conjunction with the drawings and the accompanying drawings to further illustrate the technical means adopted to achieve the objects of the present invention.
Referring to fig. 1 and 2, several preferred embodiments of the valve stem of the present invention include a stem 10a,10b, an airtight seat 20 and an outer coating 30.
As shown in fig. 1 and 2, the stick body 10a,10b includes a rod portion 11a,11b, an engaging portion 12 and an extending portion 13, a thread section 111 is formed on the outer side of the rod portion 11a,11b, the engaging portion 12 is formed at the bottom end of the rod portion 11a,11b, the extending portion 13 is formed at the bottom end of the engaging portion 12, and a ventilation channel 14 is formed inside the stick body 10a,10 b.
As shown in fig. 1 and 2, the threaded section 111 is located at an upper section of the rod 11a,11b, and in addition, as shown in fig. 1, in the first preferred embodiment of the air faucet valve stem of the present invention, the rod 10a is a straight pipe, and as shown in fig. 2, in the second preferred embodiment of the air faucet valve stem of the present invention, the rod 10b is a bent pipe.
As shown in fig. 1 and 2, the airtight seat 20 is externally covered on the outer side of the connecting portion 12 of the rod 10a,10b and extends downward to form a connecting channel 21 with a downward opening, the connecting channel 21 is communicated with the ventilation channel 14, an assembly groove is formed around the outer side of the airtight seat 20, the extending portion 13 extends into the connecting channel 21 and extends to the bottom end position of the assembly groove, and a gap 23 is formed between the outer covering layer 30 and the inner side wall of the connecting channel 21, wherein the airtight seat 20 forms a limiting rib 221 above the assembly groove, the airtight seat 20 forms an abutting portion 222 below the assembly groove, and the abutting portion 222 forms an abutting surface 223 which is outward and upward inclined.
As shown in fig. 1 and 2, the outer coating 30 is externally covered on the outer peripheral surface of the extending portion 13 of the rod 10a,10b, and the outer coating 30 is connected to the airtight seat 20, wherein the outer coating 30 extends to cover the bottom surface of the extending portion 13.
As shown in fig. 3, taking the first preferred embodiment of the present invention as an example, the air valve stem of the present invention is configured to be disposed on the wheel frame 40 of a tire, and provides a user to inflate the tire by connecting an external air supply device, the stem 10a can be set according to the specification of the air core in each country, so as to provide air core installation of various specifications, when the air valve stem is disposed on the wheel frame 40 of the tire, the user can pass the stem 10a through the assembling hole of the wheel frame 40, and make the airtight seat 20 extend into the assembling hole 41 of the wheel frame 40, so that the hole edge of the assembling hole 41 of the wheel frame 40 extends into and is fastened in the assembling groove of the airtight seat 20, and at this time, the limiting rib 221 and the abutting portion 222 can abut against the hole edge of the assembling hole 41 of the wheel frame 40, respectively, so as to provide fixing and airtight effects.
Wherein, as shown in fig. 1, 3, because the utility model discloses the outer coating 30 of air cock valve rod with be formed with between linking up the internal face of passageway 21 clearance 23, when the user is in the installation during the air cock valve rod, clearance 23 can provide airtight seat 20 warp space inwards, enables airtight seat 20 effectively reduces the equipment degree of difficulty slightly after contracting inwards, makes the air cock valve rod is more convenient at the process of equipment.
In addition, as shown in fig. 1 and 3, since the extending portion 13 of the rod body 10a extends into the connecting channel 21, and a gap 23 is formed between the outer cover 30 and the inner wall surface of the connecting channel 21 and extends to the bottom end position of the assembling groove of the airtight seat 20, when the air nozzle valve rod is disposed on the wheel frame 40, the position of the assembling groove 22 of the airtight seat 20 fixed on the wheel frame 40 is located above the bottom edge of the extending portion 13, and has a distance difference, when the rod body 10a of the air nozzle valve rod is pulled by an external force, the position of the wheel frame 40 fixed on the assembling groove 22 of the airtight seat 20 becomes a fulcrum, and the gap 23 can provide an inclined space for the rod body 10a to have a certain angle relative to the airtight seat 20, in addition to making the rod body 10 incline with a certain space, and preventing the rod body 10a from cutting the airtight seat 20 by the force, thereby improving the service life of the air tap valve rod.
Furthermore, the outer cover is in the outer coating 30 of extension 13 enables the body of rod 10a of air cock valve rod is when receiving external force to pull, one side of extension 13 can pass through outer coating 30 pastes and supports link up the inside wall of passageway 21, can avoid the base edge of extension 13 cuts at the in-process that the atress inclines the internal face of airtight seat 20, borrow this can further improve the life of air cock valve rod.
In addition, when the air valve rod is installed on the wheel frame 40 of the tire and inflates the tire, the inflated air enters the outer coating 30 and the gap 23 between the inner wall surfaces of the connecting channel 21, at this time, the airtight seat 20 expands outwards, so that the groove wall of the assembling groove can more tightly abut against the hole edge of the assembling hole 41 of the wheel frame 40, and the airtight effect when the air valve rod is installed on the wheel frame 40 of the tire can be further improved.
To sum up, the utility model discloses air cock valve rod is through the design of this body of rod 10a,10 b's extension 13 to the collocation is covered the outer coating 30 of this extension 13 and this outer coating 30 and this links up clearance 23 between the passageway 21 internal face, borrows this to restrict the inclination when the body of rod 10a,10b receive external force can avoid the base reason of extension 13 is at the in-process cutting of atress slope the internal face of airtight seat 20, and then can effectively improve the life of air cock valve rod.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the equivalent embodiment without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (9)
1. An air faucet valve rod, characterized in that, the air faucet valve rod contains
The rod body comprises a rod part, a connecting part and an extending part, wherein a thread section is formed on the outer side of the rod part, the connecting part is formed at the bottom end of the rod part, the extending part is formed at the bottom end of the connecting part, and a ventilation channel is formed inside the rod body;
the air-tight seat is covered on the outer side of the connecting part of the rod body and extends downwards to form a connecting channel with a downward opening, the connecting channel is communicated with the ventilation channel, the outer side of the air-tight seat is encircled to form a group of connecting grooves, and the extending part extends into the connecting channel and extends to the bottom end position of the group of connecting grooves; and
and the outer coating is covered on the peripheral surface of the extension part of the rod body and is connected with the airtight seat, and a gap is formed between the outer coating and the inner side wall of the connecting channel.
2. The air faucet valve stem according to claim 1, wherein the outer coating extends to and covers the bottom surface of the extension.
3. The air faucet valve stem according to claim 1, wherein the air-tight seat forms a limiting rib above the assembling groove and forms an abutting portion below the assembling groove.
4. The air faucet valve stem according to claim 2, wherein the air-tight seat forms a limiting rib above the assembling groove and forms an abutting portion below the assembling groove.
5. The air faucet valve stem according to claim 3, wherein the abutting portion is formed with an abutting surface that is inclined outwardly and upwardly.
6. The air faucet valve stem according to claim 4, wherein the abutting portion is formed with an abutting surface that is inclined outwardly and upwardly.
7. The valve stem of air faucet of any one of claims 1 to 6, wherein the outer coating extends to and covers the bottom surface of the extension.
8. The air faucet valve stem according to claim 7, wherein the stem body is a straight tube.
9. The air faucet valve stem according to claim 7, wherein the stem body is an elbow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020153971.0U CN211592125U (en) | 2020-02-06 | 2020-02-06 | Valve stem of air tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020153971.0U CN211592125U (en) | 2020-02-06 | 2020-02-06 | Valve stem of air tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211592125U true CN211592125U (en) | 2020-09-29 |
Family
ID=72578878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020153971.0U Active CN211592125U (en) | 2020-02-06 | 2020-02-06 | Valve stem of air tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211592125U (en) |
-
2020
- 2020-02-06 CN CN202020153971.0U patent/CN211592125U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |