Air pump adapter

Abstract

The utility model discloses an air pump adapter which comprises an air tap and an air tap combination piece, and the air tap combination piece is arranged at one end of the air tap in a sleeved mode. An arc-shaped raised line is arranged on the outer peripheral surface of the air tap, and a buckling claw is arranged on the outer peripheral surface of the air tap combining piece, or the arc-shaped raised line is arranged on the outer peripheral surface of the air tap combining piece, and the buckling claw is arranged on the outer peripheral surface of the air tap; a through groove is formed in the buckling claw and matched with the arc-shaped protruding strip in an inserted mode. When the air tap and the air tap combination piece of the air pump adapter are assembled, the air tap and the air tap combination piece rotate relatively around the axial direction of the air tap and the air tap combination piece, so that the arc-shaped convex strips are inserted into the buckling claws, axial limiting can be achieved, and the air tap and the air tap combination piece are stably connected. When the air tap needs to be detached, the air tap rotates relative to the air tap connector, so that the arc-shaped convex strip retreats from the buckling claw, and the air tap can be separated from the air tap connector. According to the air pump adapter, the air tap and the air tap combination piece are fast to disassemble and assemble, and a user can replace the air tap according to the actual use condition greatly conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to air pump technical field especially relates to air pump adapter. BACKGROUND

[0002] In order to use small inflator to inflate tire and other inflating articles, need a gas pipe to connect inflating article and inflator together, and the connection of gas pipe and inflator needs an adapter, that is, one end of adapter is connected with gas pipe, and the other end is connected with inflator. The adapter generally includes a gas nozzle detachably connected with a gas nozzle connecting piece, and the existing adapter usually adopts threaded connection of the gas nozzle and the gas nozzle connecting piece, so that the gas nozzle is difficult to assemble and disassemble, and it is inconvenient to replace the gas nozzle according to actual use. SUMMARY

[0003] The utility model wants to solve the technical problem of providing a kind of air pump adapter of gas nozzle easy to disassemble.

[0004] In order to solve the above technical problem, the utility model adopts the technical scheme that air pump adapter, including gas nozzle and gas nozzle connecting piece, the gas nozzle connecting piece is set in one end of the gas nozzle;Arc-shaped protrusions are provided on the outer circumferential surface of the gas nozzle, and the outer circumferential surface of the gas nozzle connecting piece is provided with a clamping claw, or the outer circumferential surface of the gas nozzle connecting piece is provided with arc-shaped protrusions, and the outer circumferential surface of the gas nozzle is provided with a clamping claw;A through slot is formed in the clamping claw, and the through slot is inserted and connected with the arc-shaped protrusions.

[0005] Further, the number of the clamping claws is multiple.

[0006] Further, the number of the clamping claws and the arc-shaped protrusions is one-to-one.

[0007] Further, the end of the arc-shaped protrusion is provided with a chamfer structure.

[0008] Further, the gas nozzle is provided with the arc-shaped protrusions and the clamping claws, and the gas nozzle connecting piece is provided with the arc-shaped protrusions and the clamping claws.

[0009] Further, the end of the arc-shaped protrusion on the gas nozzle is connected with the clamping claw, or the end of the arc-shaped protrusion on the gas nozzle connecting piece is connected with the clamping claw.

[0010] Further, a sealing ring is arranged between the gas nozzle and the gas nozzle connecting piece.

[0011] Further, an annular groove is arranged on the outer circumferential surface of the gas nozzle or the inner circumferential surface of the gas nozzle connecting piece, and the sealing ring is arranged in the annular groove.

[0012] Further, the number of the sealing rings is multiple.

[0013] Further, the outer periphery of the end of the gas nozzle connector away from the gas nozzle is provided with external threads.

[0014] The gas pump adapter has the advantages that when the gas nozzle and the gas nozzle connector are assembled, the gas nozzle and the gas nozzle connector are relatively rotated around the axes thereof, the arc-shaped protrusions are inserted into the clamping claws, axial positioning is achieved, and the gas nozzle and the gas nozzle connector are stably connected. When the gas nozzle needs to be disassembled, the gas nozzle is rotated relative to the gas nozzle connector, the arc-shaped protrusions are withdrawn from the clamping claws, and the gas nozzle can be separated from the gas nozzle connector. The gas nozzle and the gas nozzle connector of the gas pump adapter are quickly disassembled and assembled, and the user can conveniently replace the gas nozzle according to actual use conditions. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a schematic view of the overall structure of the gas pump adapter of the present application;

[0016] Figure 2 FIG. 2 is a sectional view of the gas pump adapter of the present application;

[0017] Figure 3 FIG. 3 is an exploded view of the gas pump adapter of the present application.

[0018] REFERENCE NUMERALS

[0019] 1, gas nozzle; 11, annular groove;

[0020] 2, gas nozzle connector; 21, external threads;

[0021] 3, arc-shaped protrusion; 31, chamfered structure;

[0022] 4, clamping claw; 41, through slot;

[0023] 5, sealing ring. DETAILED DESCRIPTION

[0024] To make the technical content, purposes and effects of the present application clear, the following will be described in detail in combination with the embodiments and the accompanying drawings.

[0025] Please refer to Figures 1 to 2 , the gas pump adapter comprises a gas nozzle 1 and a gas nozzle connector 2, the gas nozzle connector 2 is sleeved on one end of the gas nozzle 1; the outer periphery of the gas nozzle 1 is provided with an arc-shaped protrusion 3, the outer periphery of the gas nozzle connector 2 is provided with a clamping claw 4, or the outer periphery of the gas nozzle connector 2 is provided with an arc-shaped protrusion 3, and the outer periphery of the gas nozzle 1 is provided with a clamping claw 4; the clamping claw 4 is provided with a through slot 41, and the through slot 41 is inserted and matched with the arc-shaped protrusion 3.

[0026] The utility model discloses the gas pump adapter's gas nozzle 1 and gas nozzle combination spare's assembly, make the gas nozzle 1 and gas nozzle combination spare 2 around the self axial relative rotation, make the arc convex strip 3 insert snap claw 4, axial limit can be realized, make the gas nozzle 1 and gas nozzle combination spare 2 connect stable. When needing to disassemble gas nozzle 1, make the gas nozzle 1 relative gas nozzle combination spare 2 rotate, make the arc convex strip 3 exit snap claw 4, and the gas nozzle 1 can separate with gas nozzle combination spare 2. The gas pump adapter's gas nozzle 1 and gas nozzle combination spare 2 dismounting is quick, and greatly facilitate the user replacement gas nozzle 1 according to the actual use condition.

[0027] Further, the number of the snap claws 4 is multiple.

[0028] As can be seen from the above description, the multiple snap claws 4 can enhance the connection strength of the gas nozzle 1 and the gas nozzle combination part 2.

[0029] Further, the number of the snap claws 4 and the arc convex strips 3 is one-to-one correspondence.

[0030] As can be seen from the above description, the one-to-one correspondence of the number of the arc convex strips 3 and the snap claws 4 can reduce the length of the arc convex strips 3, thereby reducing the relative rotation stroke when the gas nozzle 1 and the gas nozzle combination part 2 are assembled, facilitating the user to assemble the gas nozzle 1 and the gas nozzle combination part 2, and at the same time ensuring the connection strength of the gas nozzle 1 and the gas nozzle combination part 2.

[0031] Further, the end of the arc convex strip 3 is provided with a chamfer structure 31.

[0032] As can be seen from the above description, the chamfer structure 31 plays a guiding role, facilitating the arc convex strip 3 to insert into the snap claw 4.

[0033] Further, the gas nozzle 1 is provided with the arc convex strip 3 and the snap claw 4, and the gas nozzle combination part 2 is provided with the arc convex strip 3 and the snap claw 4.

[0034] As can be seen from the above description, the arc convex strip 3 and the snap claw 4 are arranged on the gas nozzle 1 and the gas nozzle combination part 2, which can increase the number of the arc convex strip 3 and the snap claw 4, and further enhance the connection strength of the gas nozzle 1 and the gas nozzle combination part 2.

[0035] Further, the end of the arc convex strip 3 on the gas nozzle 1 is connected with the snap claw 4, or the end of the arc convex strip 3 on the gas nozzle combination part 2 is connected with the snap claw 4.

[0036] As can be seen from the above description, when the gas nozzle 1 and the gas nozzle combination part 2 are relatively rotated and connected, the snap claws 4 arranged on the gas nozzle 1 and the gas nozzle combination part 2 respectively can abut against each other to limit, which can avoid that the arc convex strip 3 exits the snap claw 4 due to excessive rotation.

[0037] Further, a sealing ring 5 is arranged between the air nozzle 1 and the air nozzle connector 2.

[0038] As described above, the sealing ring 5 is used to close the assembly gap between the air nozzle 1 and the air nozzle connector 2, preventing air leakage.

[0039] Further, an annular groove 11 is arranged on the outer circumferential surface of the air nozzle 1 or the inner circumferential surface of the air nozzle connector 2, and the sealing ring 5 is arranged in the annular groove 11.

[0040] As described above, the annular groove 11 is used to limit the position of the sealing ring 5, preventing displacement of the sealing ring 5.

[0041] Further, the number of sealing rings 5 is multiple.

[0042] As described above, multiple sealing rings 5 can further enhance the air leakage prevention effect.

[0043] Further, an external thread 21 is arranged on the outer circumferential surface of the end of the air nozzle connector 2 away from the air nozzle 1.

[0044] As described above, the air nozzle connector 2 can be connected to the air pump through the external thread 21.

[0045] Please refer to Figures 1 to 3 , the embodiment of the utility model is: air pump adapter, including air nozzle 1 and air nozzle connector 2, air nozzle connector 2 is set on one end of air nozzle 1, the outer circumferential surface of air nozzle 1 is equipped with arc convex strip 3, the outer circumferential surface of air nozzle connector 2 is equipped with buckling claw 4, or, the outer circumferential surface of air nozzle connector 2 is equipped with arc convex strip 3, and the outer circumferential surface of air nozzle 1 is equipped with buckling claw 4, buckling claw 4 is equipped with through groove 41, and through groove 41 is inserted with arc convex strip 3 and is matched with arc convex strip 3, specifically, the inner chamber end edge of air nozzle connector 2 is set to be inverted bevel, so as to facilitate the insertion of air nozzle 1, the axial direction of arc convex strip 3, the axial direction of air nozzle 1 and the axial direction of air nozzle connector 2 are collinear, in this embodiment, air nozzle 1 is equipped with arc convex strip 3 and buckling claw 4, and air nozzle connector 2 is equipped with arc convex strip 3 and buckling claw 4.

[0046] As shown in Figure 3 , the number of buckling claws 4 on the air nozzle 1 and the air nozzle connector 2 is two, and the two buckling claws 4 on the air nozzle 1 are uniformly distributed around the circumferential direction of the air nozzle 1, and the two buckling claws 4 on the air nozzle connector 2 are uniformly distributed around the circumferential direction of the air nozzle 1. In other embodiments, the number of buckling claws 4 on the air nozzle 1 and / or the air nozzle connector 2 can be one, three or more.

[0047] As shown in Figure 3As shown, the number of the snap claws 4 and the arc-shaped protrusions 3 are arranged one by one. It is easy to understand that the number of the arc-shaped protrusions 3 and the snap claws 4 can reduce the length of the arc-shaped protrusions 3, thereby reducing the relative rotation stroke when the air nozzle 1 and the air nozzle connecting piece 2 are assembled, facilitating the user to assemble the air nozzle 1 and the air nozzle connecting piece 2, and ensuring the connection strength of the air nozzle 1 and the air nozzle connecting piece 2.

[0048] As shown in the figures, Figure 1 In order to facilitate the insertion of the arc-shaped protrusions 3 into the snap claws 4, the end of the arc-shaped protrusion 3 is provided with a chamfer structure 31.

[0049] As shown in the figures, Figure 1 and Figure 3 The end of the arc-shaped protrusion 3 on the air nozzle 1 is connected with the snap claw 4, and the end of the arc-shaped protrusion 3 on the air nozzle connecting piece 2 is connected with the snap claw 4. It is easy to understand that when the air nozzle 1 and the air nozzle connecting piece 2 are connected by relative rotation, the snap claws 4 arranged on the air nozzle 1 and the air nozzle connecting piece 2 respectively can be in contact with each other to limit the rotation, which can avoid the arc-shaped protrusion 3 from being withdrawn from the snap claw 4 due to excessive rotation, and at this time the snap claw 4 is located at the end of the arc-shaped protrusion 3, which can minimize the risk of separation of the snap claw 4 and the arc-shaped protrusion 3.

[0050] As shown in the figures, Figure 2 and Figure 3 A sealing ring 5 is arranged between the air nozzle 1 and the air nozzle connecting piece 2. Specifically, the outer circumferential surface of the air nozzle 1 is provided with a ring groove 11, and the sealing ring 5 is arranged in the ring groove 11. The sealing ring 5 is used to seal the assembly gap between the air nozzle 1 and the air nozzle connecting piece 2 to prevent air leakage. In other embodiments, it is also feasible that the inner circumferential surface of the air nozzle connecting piece 2 is provided with a ring groove 11, and the sealing ring 5 is arranged in the ring groove 11 of the air nozzle connecting piece 2; it is also feasible that the number of the sealing ring 5 is multiple, and the multiple sealing rings 5 are arranged along the axial direction of the air nozzle 1.

[0051] As shown in the figures, Figure 1 The outer circumferential surface of the end of the air nozzle connecting piece 2 away from the air nozzle 1 is provided with an external thread 21, and the air nozzle connecting piece 2 can be connected with the air pump through the external thread 21.

[0052] In summary, when the air nozzle and the air nozzle connecting piece of the air pump adapter are assembled, the air nozzle and the air nozzle connecting piece are relatively rotated around the axial direction of the air nozzle and the air nozzle connecting piece, so that the arc-shaped protrusion is inserted into the snap claw, which can realize axial limiting and make the connection of the air nozzle and the air nozzle connecting piece stable. When the air nozzle needs to be disassembled, the air nozzle is rotated relative to the air nozzle connecting piece, so that the arc-shaped protrusion is withdrawn from the snap claw, and the air nozzle can be separated from the air nozzle connecting piece. The air nozzle and the air nozzle connecting piece of the air pump adapter are quick to disassemble and assemble, which greatly facilitates the user to replace the air nozzle according to the actual use.

[0053] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent transformation or direct or indirect application in the related technical field based on the content of the present application specification and drawings is also included in the patent protection scope of the present application.

Claims

1. An air pump adaptor, characterised in that: The air nozzle and the air nozzle connector are provided, the air nozzle connector is sleeved on one end of the air nozzle, an arc-shaped convex strip is arranged on the outer circumferential surface of the air nozzle, a buckling claw is arranged on the outer circumferential surface of the air nozzle connector, or an arc-shaped convex strip is arranged on the outer circumferential surface of the air nozzle connector, and a buckling claw is arranged on the outer circumferential surface of the air nozzle; a through slot is arranged on the buckling claw, and the through slot is inserted and matched with the arc-shaped convex strip.

2. The gas pump adapter of claim 1, wherein: The number of the buckling claws is multiple.

3. The air pump adaptor of claim 2, wherein: The number of the buckling claws and the arc-shaped convex strips is one-to-one.

4. The air pump adaptor of claim 1, wherein: The end of the arc-shaped convex strip is provided with a chamfer structure.

5. The air pump adaptor of claim 1, wherein: The arc-shaped convex strip and the buckling claw are arranged on the air nozzle, and the arc-shaped convex strip and the buckling claw are arranged on the air nozzle connector.

6. The air pump adaptor of claim 5, wherein: The end of the arc-shaped convex strip on the air nozzle is connected with the buckling claw, or the end of the arc-shaped convex strip on the air nozzle connector is connected with the buckling claw.

7. The air pump adaptor of claim 1, wherein: The sealing ring is arranged between the air nozzle and the air nozzle connector.

8. The air pump adaptor of claim 7, wherein: The outer circumferential surface of the air nozzle or the inner circumferential surface of the air nozzle connector is provided with a ring groove, and the sealing ring is arranged in the ring groove.

9. The air pump adaptor of claim 7, wherein: The number of the sealing rings is multiple.

10. The air pump adaptor of claim 1, wherein: An external thread is arranged on the outer circumferential surface of the end of the air nozzle connector away from the air nozzle.

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