TWM603492U - An inflator chuck applicable to various air nozzles - Google Patents

Abstract

An inflator chuck applicable to various air nozzles of the present invention includes a shell and a pressing device. The shell includes an outer sleeve. The outer sleeve is provided with a slide groove along a virtual through axis. The outer sleeve is provided with a front end and a rear end opposite to the front end along the virtual through axis. The pressing device is slidably arranged in the slide groove between a first position and the second position. The pressing device includes a pushing seat and an air-tight ring. The pushing seat is near the rear end and the airtight ring is near the front end respectively. The pressing device is provided with a plurality of clamping jaws. The plurality of clamping jaws extends in a direction parallel to the axial direction of the virtual through axis. When the pressing device is in the second position on the outer peripheral edge of the through-shaft radial direction, the plurality of clamping jaws squeezes and deforms the airtight ring. The inflator can be operated conveniently and fast through the above structure.

Description

Inflator chuck suitable for various nozzles

This creation is mainly to reveal a kind of pump chuck, especially the pump chuck suitable for multiple nozzles.

Please refer to China Patent No. M318073 on the "Pump Air Nozzle" patent, which is a kind of air pump nozzle. The nozzle head has a connected assembly hole and a connecting tube. The top of the assembly hole is equipped with a wrench and the bottom end is equipped with a The American nozzle is inserted into the positioning nozzle, the assembly hole is provided with a clamp seat at the top of the nozzle for the French nozzle to penetrate, and the top of the clamp seat is provided with a guide hole for downward converging. Then the assembly hole is in the clamp seat and An injector is slidingly closed between the wrenches, a return spring is arranged between the injector and the holder, and the bottom end of the injector is provided with a movable claw corresponding to the guide hole, and a thimble is connected to the spring in the injector. When the wrench moves the injector down, the movable claw can force the air nozzle to deform and clamp the American/French nozzle, so that the thimble can be inflated.

However, due to the use of the above-mentioned structure of the pump nozzle, the tire nozzle must be inserted into the nozzle head before use, and then the wrench can be pulled up, so that the nozzle can clamp the tire nozzle. It is quite troublesome to control the position of the tire air nozzle, the nozzle head and the wrench.

In view of the lack of the above-mentioned conventional structure, the author has designed a pump chuck suitable for various air nozzles, which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of this creation is to provide an inflator chuck suitable for a variety of air nozzles. The main purpose of this creation is to provide an inflator chuck including a shell and a pressing device. The shell includes an outer tube, and the outer tube is arranged along a virtual axis. There is a chute, and the outer sleeve is axially provided with a front end and a rear end opposite to the front end along the virtual through axis. The chute extends in the direction from the front end to the rear end. The pressing device is slidably arranged in the chute between the second position and the second position. The pressing device includes a pushing seat and an airtight ring. The pushing seat is adjacent to the rear end and the airtight ring is adjacent to the front end, The clamping device is provided with a plurality of clamping jaws, the plurality of clamping jaws extend in a direction parallel to the axial direction of the virtual through axis, and the plurality of clamping jaws are arranged around the outer peripheral edge of the airtight ring along the radial direction of the virtual through axis , When the urging device is in the first position, the urging device moves in a direction adjacent to the front end, the plurality of clamping jaws move away from the virtual through axis, and when the urging device is in the second position, The pressing device moves in a direction adjacent to the rear end, the plurality of clamping jaws move in a direction close to the virtual through axis and squeeze the airtight ring to deform, and the push seat is penetrated along the radial direction of the virtual through axis A containing groove is provided with a clamping member, one end of the clamping member is provided with a clamping portion, the sliding groove is provided with a shoulder, and the sliding groove is adjacent to the rear end at the shoulder The width of the side in the radial direction of the virtual through axis is smaller than the width of the shoulder in the radial direction of the virtual through axis. When the clamping device is in the first position, the clamping portion is located at the shoulder adjacent to the shoulder. On one side of the front end, when the pressing device is in the second position, the clamping portion is located on the side of the shoulder adjacent to the rear end, and the inner diameter of the shoulder in the radial direction of the virtual transverse axis changes from the side adjacent to the front end The pump chuck is tapered to form a slope toward the side adjacent to the rear end, and the pump chuck is very convenient and fast in operation through the structure.

The pushing seat is recessed with a receiving hole along the axial direction of the virtual through axis from one end adjacent to the front end to one end adjacent to the rear end, and the receiving groove is arranged on one side of the receiving hole and communicates with the receiving hole. , The clamping portion can swing relative to the pushing seat, when the clamping device is in the first position, the clamping portion moves away from the virtual through axis, and when the clamping device is in the second position, the The clamping part moves in a direction close to the virtual penetration axis.

The housing includes a cover that is coupled to the front end, the cover is provided with a sleeve hole, and each of the plurality of clamping jaws is provided with a first abutment along the outer periphery of the virtual through-axis radial direction. The distance between the first abutment portion and the virtual through-axis in the radial direction of the virtual through axis is smaller than the distance from the second abutment portion in the radial direction of the virtual through-axis to the virtual through-axis Distance, when the urging device is in the first position, the inner periphery of the socket hole abuts against the first abutting portion, and when the urging device is in the second position, the inner periphery of the socket hole abuts In the second abutment part.

The plurality of clamping jaws are arranged at one end of the pushing seat adjacent to the front end in an integral structure, and the pushing seat abuts against the airtight ring in a direct contact manner.

The clamping device includes a clamping piece, the clamping piece is fixedly connected to an end of the pushing base adjacent to the front end, and the plurality of clamping jaws are arranged at an end of the clamping piece opposite to the pushing base.

One end of the clamping piece adjacent to the rear end is connected to the inner wall surface of the receiving groove, the clamping portion is disposed at an end of the clamping piece adjacent to the front end, and the clamping portion can push against the pushing piece with the elasticity of the clamping piece The seat deforms and swings.

The outer sleeve is radially provided with an air inlet passage along the virtual through axis, the air inlet passage is communicated with the sliding groove, and the air inlet passage is arranged between the front end and the rear end.

The tightening device is provided with a rear stopper connected to an end of the pushing seat adjacent to the rear end. When the tightening device is in the first position, the rear stop abuts against the end surface of the rear end, When the pressing device is in the second position, the rear stopper separates from the rear end.

The urging device is provided with a compression spring and a top center in the containing hole, one end of the compression spring abuts against the bottom surface of the containing hole, the top center is a hollow structure and can be axially opposed to the virtual through axis The pushing seat is movably arranged in the containing hole and sleeved on the end of the compression spring opposite to the rear end, and the clamping member can use elasticity to move the clamping part away from the top center.

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

Regarding the techniques, methods and effects used in this creation, two preferred embodiments are listed below in conjunction with the drawings. These are for illustrative purposes only, and are not limited by this structure in the patent application.

Referring to Figures 1 to 4, this is a three-dimensional appearance view, a three-dimensional exploded view and a cross-sectional structure view of the first embodiment of a pump chuck suitable for various air nozzles. The pump chuck 10 of this creation includes a housing 20 and a pressing device 30; among them:

The housing 20 includes an outer sleeve 21 and a cover 22. The outer sleeve 21 is provided with a sliding groove 211 along a virtual through axis L, and the outer sleeve 21 is provided with a front end 212 and an axial direction along the virtual through axis L. A rear end 213 opposite to the front end 212, the sliding groove 211 extends from the front end 212 to the rear end 213, and the cover 22 is coupled to the front end 212.

The pressing device 30 is slidably disposed in the chute 211 between a first position and a second position. The pressing device 30 includes a pushing seat 31 and an airtight ring 32. The pushing seat 31 is adjacent to the rear end 213 and the airtight ring 32 is adjacent to the front end 212. The clamping device 30 is provided with a plurality of clamping jaws 33 extending in a direction parallel to the axial direction of the virtual through axis L, and the plurality of clamping jaws 33 are arranged around the airtight ring 32 along the virtual through The outer periphery of the axis L in the radial direction.

The pushing seat 31 is recessed with a receiving hole 311 along the axial direction of the virtual through axis L from an end adjacent to the front end 212 to an end adjacent to the rear end 213. The pushing seat 31 is along the diameter of the virtual through axis L. A accommodating groove 312 is formed along the direction, and the accommodating groove 312 is disposed on one side of the accommodating hole 311 and communicates with the accommodating hole 311. A clamping member 313 is disposed in the receiving groove 312, and one end of the clamping member 313 is disposed with a clamping portion 314, and the clamping portion 314 can swing relative to the pushing seat 31.

When the pressing device 30 is in the first position, the pressing device 30 moves in a direction adjacent to the front end 212, the plurality of clamping jaws 33 move away from the virtual penetration axis L, and the clamping portion 314 moves away from When the urging device 30 is in the second position, the urging device 30 moves in the direction adjacent to the rear end 213, and the clamping jaws 33 move toward the direction of the virtual traverse axis L. The airtight ring 32 is deformed by pressing the airtight ring 32 in the direction of movement, and the clamping portion 314 moves in a direction close to the virtual through axis L.

The cover 22 is provided with a sleeve hole 221, and each of the plurality of clamping jaws 33 is provided with a first abutting portion 331 and a second abutting portion 332 along the outer peripheral edge of the virtual through axis L in the radial direction. The distance from the first abutting portion 331 along the virtual transverse axis L to the virtual transverse axis L is smaller than the distance from the second abutting portion 332 along the virtual transverse axis L to the virtual transverse axis L. When the tightening device 30 is in the first position, the inner periphery of the sleeve hole 221 abuts against the first abutting portion 331, and when the tightening device 30 is in the second position, the inner periphery of the sleeve hole 221 abuts Leans against the second abutting portion 332.

The plurality of clamping jaws 33 are disposed on an end of the pushing seat 31 adjacent to the front end 212 in an integral structure, and the pushing seat 31 abuts against the airtight ring 32 in a direct contact manner.

The sliding groove 211 is provided with a shoulder 214. The width of the sliding groove 211 on the side of the shoulder 214 adjacent to the rear end 213 in the radial direction of the virtual through axis L is smaller than that of the side of the shoulder 214 adjacent to the front end 212. The width of the virtual penetrating axis L in the radial direction. When the pressing device 30 is in the first position, the clamping portion 314 is located on the side of the shoulder 214 adjacent to the front end 212, and the pressing device 30 is in the second position When the clamping portion 314 is located on the side of the shoulder portion 214 adjacent to the rear end 213, the inner diameter of the shoulder portion 214 in the radial direction along the virtual transverse axis L is from the side adjacent to the front end 212 to the side adjacent to the rear end 213. The direction of the side tapers into a conical slope.

The end of the clamping member 313 adjacent to the rear end 213 is connected to the inner wall surface of the accommodating groove 312, the clamping portion 314 is disposed at an end of the clamping member 313 adjacent to the front end 212, and the clamping portion 314 can be clamped The elasticity of the holding member 313 deforms and swings relative to the pushing seat 31.

The outer sleeve 21 is radially provided with an air inlet passage 215 along the virtual through axis L, the air inlet passage 215 is communicated with the sliding groove 211, and the air inlet passage 215 is arranged between the front end 212 and the rear end 213 .

The tightening device 30 is provided with a rear stop 34 which is connected to an end of the push seat 31 adjacent to the rear end 213. When the tightening device 30 is in the first position, the rear stop 34 Abutting against the end surface of the rear end 213, when the pressing device 30 is in the second position, the rear stopper 34 is separated from the rear end 213.

The pressing device 30 is provided with a compression spring 35 and a top center 36 in the receiving hole 311. One end of the compression spring 35 abuts against the bottom surface of the receiving hole 311. The top center 36 has a hollow structure and can move along the The virtual through axis L is axially movably disposed in the receiving hole 311 relative to the pushing seat 31 and sleeved on the end of the compression spring 35 opposite to the rear end 213. The clamping member 313 can make the clamping by elasticity. The portion 314 moves away from the top center 36.

Please continue to refer to Figures 5 and 6, which are the first embodiment of the inflator chuck suitable for various air nozzles in the use state diagram of the French air nozzle and the use state diagram of the American air nozzle. When the pump chuck 10 is used to connect to the French air nozzle, the French air nozzle is inserted into the pressing device 30 to push the top core 36 and compress the compression spring 35, and then the pressing device 30 can be moved to the In the second position, the plurality of clamping jaws 33 can squeeze the airtight ring 32 to deform and clamp the French air nozzle, and achieve an airtight effect. The pump chuck 10 through the above structure is very convenient and fast in operation. .

In the same way, after the American gas nozzle is inserted into the pressing device 30 to contact the top center 36, the pressing device 30 is moved to the second position accordingly, and the clamping member 313 can block the top center 36 from retreating, so that the top center 36 The core 36 can push the check valve of the American gas nozzle, and the plurality of clamping jaws 33 can squeeze the airtight ring 32 to deform and clamp the American gas nozzle to achieve an airtight effect.

Refer to Fig. 7, which is a cross-sectional structure diagram of a second embodiment of a pump chuck suitable for various air nozzles. The second embodiment of this case is roughly the same as the first embodiment, the main difference is that the pressing device 30a includes a clamping member 37a, which is fixedly connected to the end of the pushing seat 31a adjacent to the front end 212a The plurality of clamping jaws 33a are arranged at an end of the clamping member 37a opposite to the pushing seat 31a.

From the above, it can be concluded that this creation has the following advantages:

1. The pump chuck for this creation is suitable for a variety of air nozzles. The pump chuck includes a shell and a pressing device. The shell includes an outer tube, and the outer tube is provided with a sliding shaft along a virtual axis. The outer sleeve is axially provided with a front end and a rear end opposite to the front end along the virtual through axis. The sliding groove extends from the front end to the rear end. The pressing device can be in the first position and the second The two positions are slidably arranged in the chute. The pressing device includes a pushing seat and an airtight ring. The pushing seat is adjacent to the rear end and the airtight ring is adjacent to the front end. The device is provided with a plurality of clamping jaws, the plurality of clamping jaws extend in a direction parallel to the axial direction of the virtual transverse axis, and the plurality of clamping jaws are arranged around the outer peripheral edge of the airtight ring along the radial direction of the virtual transverse axis. When the tightening device is in the first position, the tightening device moves in a direction adjacent to the front end, the plurality of clamping jaws move away from the virtual penetration axis, and when the tightening device is in the second position, the tightening device The device moves in the direction adjacent to the rear end, the plurality of clamping jaws move in the direction close to the virtual through axis and squeeze the airtight ring to deform, the pushing seat is penetrated with a cavity along the radial direction of the virtual through axis , A clamping part is arranged in the accommodating groove, a clamping part is arranged at one end of the clamping part, a shoulder part is arranged in the sliding groove, and the sliding groove is located along the side of the shoulder adjacent to the rear end. The radial width of the virtual through axis is smaller than the width of the shoulder adjacent to the front end in the radial direction of the virtual through axis. When the clamping device is in the first position, the clamping portion is located at a side of the shoulder adjacent to the front end. Side, when the pressing device is in the second position, the clamping portion is located on the side of the shoulder adjacent to the rear end, and the inner diameter of the shoulder along the virtual transverse axis radially moves from the side adjacent to the front end to adjacent to the The direction of the rear end side is tapered and inclined, and the pump chuck is very convenient and fast in operation through the above structure.

However, the above is only the preferred embodiment of this creation, and when it cannot be used to limit the scope of implementation of this creation, so all numerical changes or replacement of equivalent components, or equality made in accordance with the scope of the patent application of this creation Changes and modifications should still be covered by this new patent.

10: Inflator chuck 20: shell 21: Outer tube 211: Chute 212: front end 213: backend 214: Shoulder 215: intake channel 22: cover 221: socket hole 30: Compression device 31: Push seat 311: Volume Hole 312: Conveyor 313: clamp 314: Clamping part 32: airtight ring 33: Gripper 331: first abutment 332: second abutment 34: rear stop 35: Compression spring 36: Heart 212a: front end 30a: Compression device 31a: Push seat 33a: Gripper 37a: clamping piece L: virtual cross axis

Figure 1: The three-dimensional appearance of the first embodiment of the inflator chuck suitable for multiple nozzles. Figure 2: A three-dimensional exploded view of the first embodiment of a pump chuck suitable for various air nozzles. Figure 3: The cross-sectional structure diagram of the first embodiment of the inflator chuck suitable for various air nozzles. Figure 4: Another view of the cross-sectional structure of the first embodiment of the inflator chuck with multiple nozzles. Figure 5: The first embodiment of the inflator chuck suitable for various air nozzles in this creation is the use state diagram of the French air nozzle. Figure 6: The first embodiment of the inflator chuck suitable for various air nozzles in this creation is connected to the US air nozzle in use. Figure 7: This is the cross-sectional structure diagram of the second embodiment of the inflator chuck suitable for various air nozzles.

10: Inflator chuck

20: shell

21: Outer tube

22: cover

30: Compression device

33: Gripper

34: rear stop

Claims (9)

A pump chuck suitable for multiple nozzles, including: A housing, the housing includes an outer sleeve, the outer sleeve is provided with a sliding groove along a virtual through axis, the outer sleeve is axially provided with a front end and a rear end opposite to the front end, the The chute extends from the front end to the rear end; An urging device, the urging device is slidably arranged in the chute between a first position and a second position, the urging device includes a pushing seat and an airtight ring, the pushing seat Adjacent to the rear end and the airtight ring adjacent to the front end, the clamping device is provided with a plurality of clamping jaws, the plurality of clamping jaws extend in a direction parallel to the axial direction of the virtual transverse axis, and the plurality of clamping jaws are arranged around the The airtight ring is along the outer periphery in the radial direction of the virtual transverse axis. When the urging device is in the first position, the urging device moves in a direction adjacent to the front end, and the plurality of clamping jaws move away from the virtual transverse axis When the urging device is in the second position, the urging device moves in the direction adjacent to the rear end, the plurality of clamping jaws move in the direction close to the virtual penetration axis and squeeze the airtight ring to deform, the top The push seat is penetrated with a pocket along the radial direction of the virtual through axis, a clamping part is arranged in the pocket, a clamping part is arranged at one end of the clamping part, and a shoulder part is arranged in the sliding groove , The width of the sliding groove on the side of the shoulder adjacent to the rear end in the radial direction of the imaginary transverse axis is smaller than the width of the shoulder adjacent to the front end in the radial direction of the virtual traverse axis, and the pressing device is located in the first Position, the clamping portion is located on the side of the shoulder adjacent to the front end, and when the pressing device is in the second position, the clamping portion is located on the side of the shoulder adjacent to the rear end, and the shoulder is along the virtual The radial inner diameter of the shaft is tapered from the side adjacent to the front end to the side adjacent to the rear end to form a slope. The pump chuck suitable for multiple air nozzles as described in claim 1, wherein the pushing seat is recessed with an accommodation hole along the axial direction of the virtual through axis from an end adjacent to the front end to an end adjacent to the rear end. The accommodating groove is arranged on one side of the accommodating hole and communicates with the accommodating hole. The clamping portion can swing relative to the pushing seat. When the pressing device is in the first position, the clamping portion moves away from the virtual When the clamping device is in the second position, the clamping portion moves in a direction close to the virtual traverse axis. The pump chuck suitable for multiple air nozzles according to claim 2, wherein the housing includes a cover, the cover is combined with the front end, the cover is provided with a sleeve hole, and the plurality of clamping jaws A first abutment portion and a second abutment portion are provided on each outer peripheral edge along the radial direction of the virtual through axis. The distance from the first abutment portion along the virtual through axis to the virtual through axis is smaller than the The distance from the second abutting portion in the radial direction of the virtual through-axis to the virtual through-axis. When the urging device is in the first position, the inner peripheral edge of the sleeve hole abuts against the first abutting portion. When the tightening device is in the second position, the inner periphery of the sleeve hole abuts against the second abutting portion. The pump chuck suitable for multiple air nozzles as described in claim 3, wherein the plurality of clamping jaws are arranged in an integral structure at one end of the pushing seat adjacent to the front end, and the pushing seat abuts in a direct contact manner In the airtight ring. According to claim 3, the pump chuck suitable for multiple air nozzles, wherein the pressing device includes a clamping member, the clamping member is fixedly connected to an end of the pushing seat adjacent to the front end, and the plurality of clamps The claw is arranged at an end of the clamping piece opposite to the pushing seat. The pump chuck suitable for multiple air nozzles according to claim 4 or 5, wherein the end of the clamping member adjacent to the rear end is connected to the inner wall surface of the container, and the clamping portion is disposed on the clamping member adjacent to the At one end of the front end, the clamping portion can deform and swing relative to the pushing seat by the elasticity of the clamping piece. The air pump chuck suitable for multiple air nozzles as described in claim 6, wherein the outer sleeve is provided with an air inlet passage radially along the virtual transverse axis, the air inlet passage communicates with the chute, and the air inlet passage Set between the front end and the back end. The pump chuck suitable for multiple air nozzles as described in claim 1, wherein the pressing device is provided with a backstop, the backstop is connected to an end of the pushing seat adjacent to the rear end, and the pressing device is at In the first position, the rear stop abuts against the end surface of the rear end, and when the pressing device is in the second position, the rear stop separates from the rear end. The pump chuck suitable for multiple air nozzles according to claim 6, wherein the compression device is provided with a compression spring and a top center in the containing hole, and one end of the compression spring abuts against the bottom surface of the containing hole The top center is hollow and can move along the virtual through-axis relative to the pushing seat. It is disposed in the receiving hole and sleeved on the end of the compression spring opposite to the rear end. The clamping piece can utilize elasticity. Move the clamping portion away from the top center.

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