CN214822405U - Be suitable for joint that has limit structure of inflating valve extension tube - Google Patents
Be suitable for joint that has limit structure of inflating valve extension tube Download PDFInfo
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- CN214822405U CN214822405U CN202120622813.XU CN202120622813U CN214822405U CN 214822405 U CN214822405 U CN 214822405U CN 202120622813 U CN202120622813 U CN 202120622813U CN 214822405 U CN214822405 U CN 214822405U
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- connector
- nut
- joint
- valve extension
- connector body
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Abstract
The utility model provides a joint with a limiting structure suitable for an inflating valve extension pipe, which comprises a connecting nut and a linear joint body, wherein the joint body is provided with a central ventilation hole, the tail part of the joint body is provided with a joint connected with a hose, and the head part of the joint body is movably sleeved with the connecting nut to form a hole cavity assembled with a tire inflating valve; the appearance of coupling nut is non-standard nut appearance, and coupling nut's surface has limit structure, and when supplying coupling nut and its torsion input tool that matches to peg graft, the torsion output position among limit structure and the torsion input tool is in the peripheral joint. The utility model discloses can use dedicated assembly extension pipe tool direct mount to can be safely and make things convenient for economically dismouting and guarantee the required moment of torsion of product.
Description
Technical Field
The utility model relates to a inflating valve extension pipe especially relates to and uses joint wherein.
Background
The tyre of commercial vehicle generally has single-row wheel and double-row wheel, the inboard tyre of the double-row wheel of commercial vehicle is inside, need to adorn the inflating valve extension pipe and come the convenient inflation and deflation, and automobile tire (and rim) inflating valve extension pipe is the accessory according to standard installation, installs on original tire inflating valve, and its function is conveniently for the inboard tyre inflation and deflation of double-row tire of commercial vehicle, and the joint that is suitable for inflating valve extension pipe is used for with the original dress inflating valve of tire hookup.
The inflating valve extension pipe mounting mode that uses on the existing market has two kinds: one is direct installation, the joint cannot be installed by using tools, only a hand can be inserted into the middle of a narrow inner and outer rim hole for installation, and due to small space, the inflating valve extension pipe is difficult to install by using proper torque, so that the assembling part of the inflating valve and the inflating valve extension pipe has the risk of air leakage; the other is to go to the auto repair shop to remove the outer tire, mount the valve extension tube to the valve of the inner tire using the appropriate torque, then mount the tire, and finally secure the valve extension tube to the outer tire. This takes a lot of time and money, which is laborious and uneconomical for the owner of the vehicle or the company of the commercial vehicle. There are certain drawbacks to either type of mounting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be suitable for joint that has limit structure of inflating valve extension pipe can use dedicated assembly extension pipe instrument direct assembly to can be safely and conveniently economically dismouting and guarantee the required moment of torsion of product. Therefore, the utility model adopts the following technical scheme:
the connector with the limiting structure is suitable for an inflating valve extension pipe and is characterized by comprising a connecting nut and a linear connector body, wherein the connector body is provided with a central ventilation hole channel, the tail part of the connector body is provided with a connector connected with a hose, and the head part of the connector body is movably sleeved with the connecting nut to form a hole cavity assembled with a tire inflating valve; the appearance of coupling nut is non-standard nut appearance, and coupling nut's surface has limit structure, and when supplying coupling nut and its torsion input tool that matches to peg graft, the torsion output position among limit structure and the torsion input tool is in the peripheral joint.
Furthermore, a first step is arranged around the central hole of the connecting nut, and a second limiting step which is in limiting fit with the first step in the axial direction is arranged at the head of the joint body; the head of the joint body is also provided with a valve inside top.
Further, the valve core plug is also provided with a vent groove for the vent hole on the side.
Furthermore, a sealing ring is padded on the front side face of the second limiting step.
Furthermore, a round pipe is arranged between the second limiting step of the joint body and the joint connected with the hose.
Further, the non-standard nut profile coupling nut includes one of the following shapes:
(1) the connecting nut is cylindrical in shape, and a pair of axial through grooves are formed in the radial two ends of the cylinder;
(2) the connecting nut is cylindrical in shape, and a pair of axially extending radial convex keys are arranged at the two radial ends of the cylinder;
(3) a square column shape, and corners of the column are rounded;
(4) the three circular arc surfaces and the three planes are in a polygonal column shape at intervals, and the central angles of the circular arc surfaces and the planes are the same.
Furthermore, the joint connected with the hose comprises a plurality of circles of inverted teeth or ring grooves arranged at the tail part of the joint body, a metal sheath is arranged outside the end part of the hose, and after the hose is inserted into and connected with the tail part of the joint body, the hose is clamped by the metal sheath to be matched with the inverted teeth.
Owing to adopt the technical scheme of the utility model, the utility model discloses a problem of the unable installation moment of torsion of guaranteeing of direct mount of both having solved present product has also been solved and has been required to pull down the hard and uneconomic problem that the tire installed.
Drawings
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is a side view of a coupling nut according to an embodiment of the present invention.
Figures 4-1, 4-2, and 4-3 are side views of three different profile coupling nuts, respectively.
Figure 5 is the schematic view of the utility model discloses be connected with tire inflating valve when connecting when being applied to inflating valve extension pipe.
Detailed Description
Reference is made to the accompanying drawings. The utility model discloses be suitable for joint that has limit structure of inflating valve extension pipe, including coupling nut 1, joint body 2, coupling nut 1 and joint body 2 adopt metal material to make. The connector body 2 is provided with a central vent hole channel 20, the tail part of the connector body 2 is provided with a connector 21 connected with a hose, the head part of the connector body 2 is movably sleeved with the connecting nut 1 to form a hole cavity 300 assembled with the tire valve, and the thread of the connecting nut is matched with the external thread of the tire valve; the appearance of coupling nut 1 is non-standard nut appearance, and the surface of coupling nut 1 has limit structure 11, and when supplying coupling nut and its torsion input tool that matches to peg graft, the torsion output position among limit structure and the torsion input tool is in the peripheral joint.
A first step 12 is arranged around the central hole of the connecting nut 1, and a second limiting step 22 which is in limited fit with the first step 12 in the axial direction is arranged at the head of the joint body 2; the head of the connector body 2 is further provided with a valve core tip 23 for opening a valve core 101 in the tire valve 100 when the connector is connected with the tire valve 100 on the rim. The valve core plug 23 is also provided with a vent groove 231 for the vent hole 20 on the side.
The front side surface of the second limit step 22 of the joint is padded with a sealing ring 3.
A round tube 24 is arranged between the second limiting step 22 of the joint body and the joint 21, the outer diameter D of the round tube 24 is 6-9mm, and the length L from the rear end of the connecting nut 1 to the joint 21 is 10-30 mm. The design of the rear barrel 24 of the joint ensures that the special assembler has sufficient space to put in or take out.
The appearance of the connecting nut 1 is in a special shape (non-standard shape) customized by different manufacturers, and the limiting structure can be used for the connecting nut with the non-standard appearance to be conveniently and reliably connected and matched with the torque input tool, so that the convenience and the reliability of connecting operation are ensured, the operation of the connecting nut with a general tool is avoided, and the safety is ensured.
Several non-standard nut profiles are available as exemplified below:
(1) the connecting nut is cylindrical in shape, a pair of axial through grooves 1a are arranged at two radial ends of the cylindrical shape, the width of each groove is 1-4mm, the depth of each groove is 0.5-2mm, and the shape is the shape adopted by the connecting nut 1 in the embodiment shown in fig. 1, please refer to fig. 3.
(2) The connecting nut is cylindrical in shape, a pair of axially extending radial convex keys 1b are arranged at two radial ends of the cylinder, the height of the convex part of the axial convex key 1b is 0.5mm, and the width of the convex part is more than 0.5 mm; please refer to fig. 4-1.
(3) A square cylinder and the corners of the cylinder are rounded, wherein the edges 1c of the square cylinder act as said limiting structure, see fig. 4-2.
(4) The three circular arc surfaces and the three planes 1d are polygonal columns at intervals, the central angles of the circular arc surfaces 1c and the planes 1d are the same, and 3 planes 1d are used as the limiting structures, please refer to fig. 4-3.
The connector 21 connected with the hose comprises a plurality of circles of inverted teeth 211 positioned at the tail part of the connector body, a metal sheath 201 is arranged outside the end part of the connecting hose 200 in the valve extension pipe, and after the hose 200 is inserted and connected with the tail part of the connector body, the metal sheath 201 is pressed to deform and clamp the matching between the hose 200 and the inverted teeth 211.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art is in the field of the present invention, and all the changes or modifications are covered in the protection scope of the present invention.
Claims (7)
1. The connector with the limiting structure is suitable for an inflating valve extension pipe and is characterized by comprising a connecting nut and a linear connector body, wherein the connector body is provided with a central ventilation hole channel, the tail part of the connector body is provided with a connector connected with a hose, and the head part of the connector body is movably sleeved with the connecting nut to form a hole cavity assembled with a tire inflating valve; the appearance of coupling nut is non-standard nut appearance, and coupling nut's surface has limit structure, and when supplying coupling nut and its torsion input tool that matches to peg graft, the torsion output position among limit structure and the torsion input tool is in the peripheral joint.
2. The connector with the limiting structure for the inflating valve extension pipe as claimed in claim 1, wherein a first step is provided around the central hole of the connecting nut, and a second limiting step which is axially and limitedly matched with the first step is provided at the head of the connector body; the head of the joint body is also provided with a valve inside top.
3. The connector with a stopper for a valve extension tube according to claim 2, wherein said valve core plug is also provided with a vent groove for said vent hole in a side surface thereof.
4. The connector with a limiting structure for a valve extension pipe according to claim 2, wherein a sealing ring is padded on the front side surface of the second limiting step.
5. The connector with a limiting structure for a valve extension tube of claim 2, wherein a circular tube is arranged between the second limiting step of the connector body and the connector connected with the hose.
6. The connector with a retention feature for a valve extension tube of claim 1, wherein the non-standard nut profile coupling nut comprises one of the following shapes:
(1) the connecting nut is cylindrical in shape, and a pair of axial through grooves are formed in the radial two ends of the cylinder;
(2) the connecting nut is cylindrical in shape, and a pair of axially extending radial convex keys are arranged at the two radial ends of the cylinder;
(3) a square column shape, and corners of the column are rounded;
(4) the three circular arc surfaces and the three planes are in a polygonal column shape at intervals, and the central angles of the circular arc surfaces and the planes are the same.
7. The connector with a limiting structure for a valve extension tube of claim 1, wherein the connector connected to the flexible tube comprises a plurality of circles of inverted teeth or annular grooves at the tail of the connector body, a metal sheath is arranged outside the end of the flexible tube, and after the flexible tube is inserted into the tail of the connector body, the metal sheath is used for clamping the flexible tube and the inverted teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622813.XU CN214822405U (en) | 2021-03-26 | 2021-03-26 | Be suitable for joint that has limit structure of inflating valve extension tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622813.XU CN214822405U (en) | 2021-03-26 | 2021-03-26 | Be suitable for joint that has limit structure of inflating valve extension tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214822405U true CN214822405U (en) | 2021-11-23 |
Family
ID=78760204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120622813.XU Active CN214822405U (en) | 2021-03-26 | 2021-03-26 | Be suitable for joint that has limit structure of inflating valve extension tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214822405U (en) |
-
2021
- 2021-03-26 CN CN202120622813.XU patent/CN214822405U/en active Active
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