TWI748884B - Valve connector of high pressure air pump - Google Patents

Abstract

A valve connector includes an outer sleeve, a core tube, and an airtight assembly. The outer sleeve is provided with a sleeve hole and a through-hole. An accommodation space is provided between the sleeve hole and the through-hole, and the accommodation space is connected to the sleeve hole. The core tube is provided with a abutting end and a connecting end opposite to the abutting end. The core tube passes through the through-hole, and the abutting end is arranged in the accommodation space. The connecting end is arranged outside the outer sleeve. The core tube is provided with an air inlet connected to the abutting end and the connecting end. The airtight assembly includes an airtight seat and an elastic member. The airtight seat is arranged in the accommodating space and is movable axially along an axis, and sleeves on the abutting end. The elastic member abuts against the airtight seat. Thus, the valve connector can achieve a good airtight effect through the above structure.

Description

Air nozzle connector of high pressure pump

The present invention mainly discloses a gas nozzle joint, especially the gas nozzle joint of a high-pressure pump.

Please refer to my country's Patent No. I546451 for "Inflator Connector for Shock Absorbers". It is an inflator connector that includes a connecting device, an air inlet and an air outlet. The connecting device includes an inner Tube and an outer tube, the inner tube is provided with an air duct, the outer tube can be sleeved outside the inner tube in a relatively rotatable manner, the second end of the inner tube is provided with a core part, and the inner tube is sleeved on the core part There is an air nozzle plug, which surrounds the outer wall of the top core, the air inlet is connected to the inner pipe, and an air inlet is provided in the air inlet, and the air inlet and the air duct of the inner pipe communicate with each other An end of the air inlet head away from the communicating device is provided with a first threaded portion, one end of the air outlet head is connected to the outer tube, and an end of the air outlet head far away from the communicating device is provided with a second threaded portion.

However, the above-mentioned pump connector is suitable for shock absorbers. The internal air pressure required for the operation of the shock absorber is higher than the tire pressure of the tire, and it is easy to leak air during filling.

In view of the shortcomings of the above-mentioned conventional structure, the present inventor has designed a nozzle joint of a high-pressure pump, which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of the gas nozzle connector of the high-pressure pump of the present invention is to provide a gas nozzle connector including an outer tube, a top core tube and an airtight group. The outer tube is provided with a first end and opposite to the first end. One end and a second end. The outer sleeve is provided with a socket hole and a through hole along the axial direction of a virtual rotating shaft. The socket hole is adjacent to the first end, the through hole is adjacent to the second end, and the socket hole An accommodating space is provided between the perforation and the accommodating space, the accommodating space is connected to the socket hole, the top core tube is provided with a tip end and a connecting end opposite to the tip end, and the top core tube passes through the perforation , The abutting top is arranged in the accommodating space, the connecting end is arranged outside the outer sleeve, and the top core tube is provided with an air inlet passage which connects the abutting tip and the connecting end, and the airtight assembly It includes an airtight seat and an elastic member, the airtight seat is arranged in the accommodating space to move axially along the virtual shaft and sleeved on the top end, and the elastic member abuts against the airtight seat adjacent to At one end of the second end, the elastic member can push the airtight seat to move in a direction adjacent to the first end, and the air nozzle joint can achieve a good airtight effect through the structure.

The airtight seat includes a seat body and a first airtight ring. The seat body is provided with an insertion hole along the axis of the virtual shaft. A first flange protrudes from the inner periphery of the insertion hole. An airtight ring is arranged in the insertion hole, and the first airtight ring abuts against a side of the first flange adjacent to the first end.

A second flange protrudes from the inner periphery of the insertion hole, the airtight seat includes a second airtight ring, and the second airtight ring is arranged between the first flange and the second flange, The second airtight ring abuts against the outer periphery of the top core tube.

An end of the accommodating space adjacent to the socket hole is provided with a first stopping surface, an end of the accommodating space adjacent to the perforation is provided with a second stopping surface, and the elastic member is opposed to an end of the airtight seat. Leaning against the second stop surface, the airtight seat can move between a first position and a second position along the virtual axis of rotation. When the airtight seat is in the first position, the airtight seat abuts against When the first stopping surface is in the second position, the airtight seat is separated from the first stopping surface.

The width of the abutting tip along the radial direction of the virtual rotating shaft forms a first width, the width of the connecting end along the radial direction of the virtual rotating shaft forms a second width, and the core tube is provided between the abutting tip and the connecting end. An outer convex portion, the width of the outer convex portion along the radial direction of the virtual rotating shaft forms a third width, the first width and the second width are both smaller than the third width.

The elastic piece is a coil spring, and the elastic piece is sleeved on the outer convex portion.

The socket hole is provided with a thread structure, and the thread structure of the socket hole can be connected with an American gas nozzle.

The outer sleeve includes a first pipe piece and a second pipe piece, the socket hole is arranged on the first pipe piece, the perforation is arranged on the second pipe piece, one end of the accommodating space is arranged on the first pipe piece and the other end The second pipe is arranged on the second pipe, and the second pipe is connected to the first pipe.

The first tube is provided with an internal thread along the radial outer periphery of the virtual rotating shaft, and the second tube is provided with an external thread along the radial inner periphery of the virtual rotating shaft, and the external thread is screw-locked to the internal thread.

Other purposes, advantages, and novelty of the present invention will be more apparent from the following detailed description and related drawings.

Regarding the technology, means and effects of the present invention, a preferred embodiment is given in conjunction with the drawings to describe in detail below. This is for illustrative purposes only, and is not limited by this structure in the patent application.

1 to 5, which are the three-dimensional appearance view, the three-dimensional exploded view, the cross-sectional structure view, and the use state view of the nozzle joint of the high-pressure pump of the present invention. The gas nozzle connector 10 of the present invention includes an outer sleeve 20, a top core tube 30 and an airtight group 40; among them:

The outer sleeve 20 is provided with a first end 21 and a second end 22 opposite to the first end 21. The outer sleeve 20 is provided with a sleeve hole 23 and a perforation 24 along the axial direction of a virtual rotation axis L, The socket hole 23 is adjacent to the first end 21, the through hole 24 is adjacent to the second end 22, an accommodation space 25 is provided between the socket hole 23 and the through hole 24, and the accommodation space 25 communicates with the socket孔23.

The top core tube 30 is provided with a top end 31 and a connecting end 32 opposite to the top end 31, the top core tube 30 passes through the perforation 24, the top end 31 is disposed in the accommodating space 25, and the connection The end 32 is arranged outside the outer sleeve 20, the top core pipe 30 is provided with an air inlet passage 33, and the air inlet passage 33 connects the abutting top 31 and the connecting end 32.

The airtight assembly 40 includes an airtight seat 41 and an elastic member 42. The airtight seat 41 is axially movable along the virtual shaft L and is arranged in the accommodating space 25 and sleeved on the top end 31, The elastic member 42 abuts against an end of the airtight seat 41 adjacent to the second end 22, and the elastic member 42 can push the airtight seat 41 to move in a direction adjacent to the first end 21.

The airtight seat 41 includes a seat body 411 and a first airtight ring 412. The seat body 411 is provided with a hole 413 axially along the virtual rotation axis L. The inner periphery of the hole 413 is convexly provided with a The first flange 414, the first airtight ring 412 is disposed in the insertion hole 413, and the first airtight ring 412 abuts against a side of the first flange 414 adjacent to the first end 21.

A second flange 415 protrudes from the inner periphery of the insertion hole 413, the airtight seat 41 includes a second airtight ring 416, and the second airtight ring 416 is disposed on the first flange 414 and the first flange 414. Between the two flanges 415, the second airtight ring 416 abuts against the outer periphery of the top core tube 30.

One end of the accommodating space 25 adjacent to the socket hole 23 is provided with a first stopping surface 251, and one end of the accommodating space 25 adjacent to the through hole 24 is provided with a second stopping surface 252, and the elastic member 42 is opposite to One end of the airtight seat 41 abuts against the second stop surface 252, the airtight seat 41 can move between the first position and the second position along the axis of the virtual rotation axis L, and the airtight seat 41 is in the In the first position, the airtight seat 41 abuts against the first stopping surface 251, and when the airtight seat 41 is in the second position, the airtight seat 41 is separated from the first stopping surface 251.

The width of the abutting top 31 along the radial direction of the virtual rotation axis L forms a first width W1, the width of the connecting end 32 along the radial direction of the virtual rotation axis L forms a second width W2, and the top core tube 30 is positioned at the abutting top 31 An outer convex portion 34 is provided between the connecting end 32 and the width of the outer convex portion 34 along the radial direction of the virtual rotation axis L to form a third width W3. The first width W1 and the second width W2 are both smaller than the The third width W3.

The elastic member 42 is a coil spring, and the elastic member 42 is sleeved on the outer convex portion 34.

The socket hole 23 is provided with a threaded structure, and the threaded structure of the socket hole 23 can be connected to the American gas nozzle 90.

The outer sleeve 20 includes a first tube 26 and a second tube 27. The socket hole 23 is provided in the first tube 26, the perforation 24 is provided in the second tube 27, and one end of the accommodating space 25 is provided The first pipe piece 26 and the other end are arranged on the second pipe piece 27, and the second pipe piece 27 is connected to the first pipe piece 26.

The first tube 26 is provided with an internal thread 261 along the radially outer peripheral edge of the virtual rotating axis L, and the second tube 27 is provided with an external thread 271 along the radially inner peripheral edge of the virtual rotating axis L. The external thread 271 is screw-locked. On the internal thread 261.

The air nozzle connector 10 can achieve a good airtight effect through the above structure. The air nozzle connector 10 is mainly used for shock absorbers. The air pressure inside the shock absorber is high, and the air nozzle is easy to be accidentally connected to the general nozzle head. Air leak. When the air nozzle connector 10 is in use, the American air nozzle 90 can be inserted into the socket hole 23 to abut against the first airtight ring 412, and push the airtight seat 41 to move to the second position, the elastic member 42 It can provide an appropriate, stable and even pressure to produce a good airtight effect between the first airtight ring 412 and the American air nozzle 90, and the first airtight ring 412 is not easy to be squeezed by the American air nozzle 90 And excessive deformation or damage.

From the above, it can be concluded that the present invention has the following advantages:

1. The nozzle connector of the high-pressure pump of the present invention, wherein the nozzle head includes an outer tube, a top core tube and an airtight group, the outer tube is provided with a first end and opposite to the first end A second end, the outer sleeve is provided with a sleeve hole and a perforation along the axial direction of a virtual rotating shaft, the sleeve hole is adjacent to the first end, the perforation is adjacent to the second end, the sleeve hole and the perforation An accommodating space is provided between the accommodating space and the socket hole. The top core tube is provided with a top end and a connecting end opposite to the top end. The top core tube passes through the perforation. The top end is arranged in the accommodating space, the connecting end is arranged outside the outer sleeve, the top core tube is provided with an air inlet channel, the air inlet channel connects the abutting tip and the connecting end, and the airtight assembly includes a An airtight seat and an elastic member, the airtight seat is arranged in the accommodating space to move axially along the virtual shaft and sleeved on the top end, the elastic member abuts against the airtight seat and is adjacent to the second At one end of the end, the elastic member can push the airtight seat to move in a direction adjacent to the first end, and the air nozzle joint can achieve a good airtight effect through the above-mentioned structure.

However, the above are only preferred embodiments of the present invention. When they cannot be used to limit the scope of implementation of the present invention, all numerical changes or substitutions of equivalent elements or equivalents made in accordance with the scope of the patent application of the present invention are mentioned. Changes and modifications should still fall within the scope of the invention patent.

10: Gas nozzle connector 20: Outer tube 21: first end 22: second end 23: Socket hole 24: Piercing 25: accommodating space 251: first stop surface 252: second stop surface 26: The first pipe 261: Internal thread 27: The second pipe 271: External thread 30: Top Heart Tube 31: reach the top 32: connection end 33: intake channel 34: Outer convexity 40: airtight group 41: airtight seat 411: Block 412: first airtight ring 413: Jack 414: first flange 415: second flange 416: second airtight ring 42: Elastic part 90: American gas nozzle L: Virtual shaft W1: first width W2: second width W3: third width

Figure 1 is a perspective view of the nozzle joint of the high-pressure pump of the present invention. Figure 2: is a three-dimensional exploded view of the nozzle joint of the high-pressure pump of the present invention. Figure 3 is a cross-sectional structural view of the air-tight seat of the nozzle joint of the high-pressure pump of the present invention in the first position. Fig. 4 is a diagram showing the use state of the gas nozzle joint of the high-pressure pump of the present invention connected to the American gas nozzle. Figure 5: is a diagram of the use state of the air-tight seat of the nozzle joint of the high-pressure pump of the present invention in the second position.

10: Gas nozzle connector

20: Outer tube

22: second end

26: The first pipe

27: The second pipe

30: Top Heart Tube

32: connection end

33: intake channel

Claims (9)

A nozzle connector of a high-pressure pump, which includes: An outer sleeve, the outer sleeve is provided with a first end and a second end opposite to the first end, the outer sleeve is provided with a sleeve hole and a perforation along the axial direction of a virtual rotating shaft, the sleeve hole Adjacent to the first end, the perforation is adjacent to the second end, an accommodating space is provided between the socket hole and the perforation, and the accommodating space communicates with the socket hole; A top core tube, the top core tube is provided with a top end and a connecting end opposite to the top end, the top core tube passes through the perforation, the top end is disposed in the accommodating space, and the connection end is disposed at Outside the outer sleeve, the top core tube is provided with an air inlet passage, and the air inlet passage connects the abutting tip and the connecting end; An airtight set, the airtight set includes an airtight seat and an elastic member, the airtight seat is arranged in the accommodating space to move axially along the virtual shaft and sleeved on the top end, the elastic The element abuts against an end of the airtight seat adjacent to the second end, and the elastic element can push the airtight seat to move in a direction adjacent to the first end. The gas nozzle connector of the high-pressure pump according to claim 1, wherein the airtight seat includes a seat body and a first airtight ring, and the seat body is provided with an insertion hole axially along the virtual shaft, the A first flange protrudes from the inner periphery of the insertion hole, the first airtight ring is arranged in the insertion hole, and the first airtight ring abuts against a side of the first flange adjacent to the first end. The gas nozzle connector of the high-pressure pump according to claim 2, wherein a second flange is protruded from the inner periphery of the insertion hole, and the gas-tight seat includes a second gas-tight ring, and the second gas-tight ring It is arranged between the first flange and the second flange, and the second airtight ring abuts against the outer periphery of the top core tube. The gas nozzle connector of a high-pressure pump according to any one of claims 1 to 3, wherein a first stop surface is provided at one end of the accommodating space adjacent to the socket hole, and the accommodating space is adjacent to the perforated One end is provided with a second stop surface, the end of the elastic member opposite to the airtight seat abuts against the second stop surface, and the airtight seat can be axially in the first position and the second position along the virtual shaft When the airtight seat is in the first position, the airtight seat abuts against the first stop surface, and when the airtight seat is in the second position, the airtight seat is separated from the first stop noodle. The gas nozzle joint of a high-pressure pump according to any one of claims 1 to 3, wherein the width of the tip along the radial direction of the virtual shaft forms a first width, and the width of the connecting end along the radial direction of the virtual shaft A second width is formed, the top core tube is provided with an outer convex portion between the abutting top end and the connecting end, the outer convex portion forms a third width along the radial width of the virtual shaft, the first width and The second width is smaller than the third width. The gas nozzle connector of the high-pressure pump according to claim 5, wherein the elastic member is a coil spring, and the elastic member is sleeved on the outer convex portion. The gas nozzle connector of the high-pressure pump according to any one of claims 1 to 3, wherein the socket hole is provided with a threaded structure, and the threaded structure of the socket hole can be connected to an American gas nozzle. The gas nozzle connector of the high-pressure pump according to any one of claims 1 to 3, wherein the outer sleeve includes a first pipe piece and a second pipe piece, the sleeve hole is provided in the first pipe piece, and the perforation It is arranged on the second pipe piece, one end of the accommodating space is arranged on the first pipe piece and the other end is arranged on the second pipe piece, and the second pipe piece is connected to the first pipe piece. The gas nozzle joint of the high-pressure pump according to claim 8, wherein the first pipe is provided with an internal thread along the radial outer periphery of the virtual shaft, and the second pipe is provided with an inner thread along the radial inner periphery of the virtual shaft An external thread, which is screw-locked to the internal thread.

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