TWI729851B - Valve connector for connecting different valves - Google Patents

Abstract

A valve connector includes a body, a pusher, a switch, a lever, a pressing member, an abutting member, and an elastic member. The body includes a head provided with a first chamber and a second chamber. The pusher is movably arranged in the head. The switch is pivotally arranged in the first chamber and can drive the pusher to move. The lever is pivotally connected to one end of the head to push against the switch. The pressing member is made of soft material and has a ring shape. The pressing member is disposed in the second chamber and is selectively pushed by the pusher, so that an inner diameter of the pressing member is selectively reduced to fit an English Valve, a French valve, or an American valve. The abutting member is movably disposed in the pusher and the pressing member. The elastic member is disposed between the pusher and the abutting member.

Description

Gas nozzle connector suitable for various gas nozzles

The invention relates to an air nozzle connector for an inflator, in particular to an air nozzle connector suitable for a variety of air nozzles.

At present, the most commonly used and common bicycle air nozzles are mainly French air nozzles and American air nozzles. Therefore, most of the general pump nozzles can be used for French nozzles and American nozzles at the same time. However, there are still British air nozzles commonly used in city cars. For users, most high-end pumps or portable air pumps on the market cannot be used with British air nozzles, and they must be prepared for British air nozzles. It is inconvenient to use connectors, or to prepare British gas nozzle clamps.

The present invention provides a gas nozzle connector suitable for a variety of gas nozzles. The inner diameter of the compression component is selectively reduced by the compression component being pushed by the pushing component, so as to be suitable for connecting British gas nozzles, French gas nozzles or American gas nozzles. mouth.

The gas nozzle connector suitable for various gas nozzles provided by the present invention includes a main body, a pushing piece, a switching piece, a lever, a pressing piece, a core piece and an elastic piece. The body includes a head. The head has a first end and a second end spaced apart along the axis. The head is provided with a first chamber extending along the axis and a second chamber communicating with the first chamber. The two chambers respectively penetrate the first end and the second end. The pushing member is movably arranged in the head along the axis. The switching member can be pivotally arranged in the first chamber around the axis and has a switching part exposed on the head. The switching member can pivot relative to the first chamber and drive the pushing member to move along the axis. The trigger lever is pivotally connected to the first end of the head, and the trigger lever can pivot relative to the head and push the switching member to drive the pushing member to move along the axis. The pressing member is made of soft material and has a ring shape. The pressing member is arranged in the second chamber and is selectively pushed by the pushing member, so that the inner diameter of the pressing member is selectively reduced to adapt to the British style. Mouth, French gas nozzle or American gas nozzle. The top core piece is hollow and is movably arranged between the pushing component and the pressing component along the axis, so that the top core piece is suitable for abutting against the air nozzle. The elastic piece is arranged between the pushing piece and the top core piece.

In an embodiment of the present invention, the pushing member is spaced along the axis, a proximal end abutting on the lever and a distal end abutting on the pressing member, and the proximal end of the pushing member is provided with a first convex portion With the first recess. The switching element has a rotating part connected to the switching part. The rotating part has a rotating surface abutting on the proximal end. The switching element is provided with a second convex portion and a second concave portion on the rotating surface. The chamber pivots to abut against the first convex portion or the first concave portion.

In an embodiment of the present invention, the inner diameter of the first chamber is larger than the inner diameter of the second chamber, and the head forms a shoulder between the first chamber and the second chamber. The pushing member is provided with a first end with a proximal end, a second end with a distal end, and two clamping jaws extending from the first end to the second end. The two clamping jaws swing toward the axis as the pushing member moves along the axis, so as to selectively clamp the top core member.

In an embodiment of the present invention, the first end of the pushing member forms a positioning column extending along the axis. The top core piece is provided with a positioning part spaced along the axis and a top core part connected to the positioning part. The positioning part is selectively clamped by two clamping jaws and is provided with a positioning groove. The opposite ends of the elastic member along the axis are respectively connected to the positioning column and the positioning groove.

In an embodiment of the present invention, the first end portion is provided with a protruding post, the protruding post is located on the end surface of the proximal end, and the first protruding portion extends from the protruding post along the radial direction of the axis. The switching member is provided with a perforation penetrating the rotating part along the axis, and the perforation is pivotally sleeved on the convex post.

In an embodiment of the present invention, the urging member has a small-diameter portion and a large-diameter portion connecting the small-diameter portion, and the urging member is provided on the outer peripheral surface of the large-diameter portion with an axis extending in the circumferential direction of the large-diameter portion Ring groove.

In an embodiment of the present invention, the ring groove has a groove surface that does not contact the inner wall surface of the second chamber, and the groove surface is arc-shaped.

In an embodiment of the present invention, the pressing member forms a pressing portion between the small diameter portion and the large diameter portion, and the pressing portion abuts against the second end of the pressing piece, so that the inner diameter of the large diameter portion follows The pushing member moves along the axis to be selectively reduced.

In an embodiment of the present invention, the main body includes a connecting portion connected to the head, and the connecting portion is adapted to connect to the air pipe of the inflator and has an air passage communicating with the first chamber. The head has a slot, and the switching part of the switching member is exposed outside the head through the slot.

In an embodiment of the present invention, the lever has a pivotal portion, the pivotal portion is provided with a first abutting surface and a second abutting surface adjacent to the first abutting surface, the first abutting surface and the second abutting surface The top surface can be respectively pushed against the switching member as the trigger lever pivots relative to the head. The lever is provided with a pivot hole at the pivot portion, and the pivot member penetrates the pivot hole and is fixed to the head. The distance from the first abutting surface to the pivot member is smaller than the distance from the second abutment surface to the pivot member distance.

Based on the above, the gas nozzle connector applicable to various gas nozzles provided by the present invention is arranged in the second chamber by the pressing member and is selectively pushed by the pushing member, so that the inner diameter of the pressing member is selectively reduced. Suitable for connecting with British air nozzle, French air nozzle or American air nozzle.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

1 to 10, it is an embodiment of the gas nozzle connector suitable for various gas nozzles of the present invention. The gas nozzle connector suitable for various gas nozzles of this embodiment includes a main body 10, and a pusher which is movably arranged in the main body 10. The member 20, the switching member 30 pivotally disposed in the main body 10 and capable of driving the pushing member 20, the lever 40 pivotally connected to the main body 10 and capable of pushing the switching member 30, is disposed in the main body 10 and is suitable for clamping The pressing member 50 holding the British valve EV, the French valve FV or the American valve AV, the core member 60 suitable for abutting against the valve, and the elastic member arranged between the pushing member 20 and the core member 60 70. The switching member 30 can pivot relative to the main body 10 to change between the first position and the second position, and the trigger lever 40 can pivot relative to the main body 10 to change between the release position and the locked position.

When the switching member 30 is in the first position and the lever 40 is in the release position (as shown in FIG. 4), the pushing member 20 does not compress the pressing member 50, so that the pressing member 50 is in an undeformed and unpressed state, and is pressed tightly. The member 50 can be connected to the British air nozzle EV, and the lever 40 can be pivoted relative to the body 10 from the released position to the locked position (as shown in Figure 5). The lever 40 can drive the switching member 30 and the pushing member 20 to move, so that The pressing member 50 is pushed by the pushing member 20 and deformed to reduce the inner diameter to clamp the British air nozzle EV.

When the switching member 30 is in the second position and the lever 40 is in the release position (as shown in FIGS. 7 and 9), the pushing member 20 moves relative to the main body 10 and compresses the pressing member 50 to a pre-compressed state, so that the pressing member 50 The inner diameter is reduced to connect the French valve FV or the American valve AV, and the lever 40 is pivoted relative to the body 10 from the released position to the locked position (as shown in Figure 8 and Figure 10), the lever 40 can drive the switch 30 and the pushing member 20 move, so that the pressing member 50 is pushed by the pushing member 20 and further deformed from the pre-compression state to reduce the inner diameter to clamp the French valve FV or the American valve AV.

In order to achieve the above effect, please refer to FIGS. 1 to 3. The body 10 of this embodiment includes a head 11, which has a first end 111 and a second end 112 spaced apart along the axis A11, and the second end 112 is suitable for Connected to the air nozzle, and the head 11 is provided with a first chamber 113 extending along the axis A11 and a second chamber 114 communicating with the first chamber 113, the first chamber 113 and the second chamber 114 respectively pass through the first end 111 and the second end 112.

The pushing member 20 is movably disposed in the head 11 along the axis A11. The switching element 30 is pivotally disposed in the first chamber 113 about the axis A11 and has a switching portion 31 exposed on the head 11 for the user to switch between the first position and the second position. The switching element 30 can be relative to the first chamber. 113 pivots and drives the pushing member 20 to move along the axis A11.

The toggle lever 40 is pivotally connected to the first end 111 of the head 11, and the toggle lever 40 can pivot relative to the head 11 to change between the released position and the locked position and push against the switch 30, so that the switch 30 drives the push against The member 20 moves along the axis A11, thereby compressing the pressing member 50. The pressing member 50 is made of a soft material and has a ring shape. The pressing member 50 is disposed in the second chamber 114 and is selectively pushed by the pushing member 20, so that the inner diameter of the pressing member 50 is selectively reduced. Suitable for connecting with British valve EV, French valve FV or American valve AV. The core member 60 is hollow and is movably arranged in the inner space of the pushing member 20 and the pressing member 50 along the axis A11, so that the core member 60 is suitable for contacting the British valve EV, French valve FV or American valve Air mouth AV. The elastic member 70 is disposed between the pushing member 20 and the top core member 60.

In order to enable the switching member 30 to pivotally move the pushing member 20 along the axis A11 when the switching member 30 pivots relative to the first chamber 113, so that the pushing member 20 reaches a pre-compression state, the pushing member 20 of this embodiment abuts along the axis A11. The proximal end 201 of the lever 40 and a distal end 202 abutting against the pressing member 50. The pushing member 20 is provided with at least one first convex portion 21 and at least one first concave portion 22 on the end surface of the proximal end 201. In this embodiment, two first convex portions 21 and two first concave portions 22 are provided, and two first convex portions 21 and two first concave portions 22 are provided. A convex portion 21 and two first concave portions 22 are arranged alternately around the axis A11. The switching member 30 has a rotating portion 32 connected to the switching portion 31. The rotating portion 32 has a rotating surface 321 abutting against the proximal end 201 of the pushing member 20. The switching member 30 is provided with at least one second convex portion 33 on the rotating surface 321 As with at least one second concave portion 34, the second convex portion 33 abuts against the first convex portion 21 or the first concave portion 22 as the switching element 30 pivots relative to the first chamber 113. Therefore, when the switching element 30 is in the first position, the second convex portion 33 abuts against the first concave portion 22; when the switching element 30 is changed from the first position to the second position, the second convex portion 33 abuts against the first convex portion 21. When the switching member 30 pivots relative to the first chamber 113, it can drive the pushing member 20 to move along the axis A11, thereby compressing the pressing member 50 to a pre-compression state.

In this embodiment, in order to position the core element 60, the core element 60 can be adapted to abut against the British valve EV, the French valve FV or the American valve AV. The inner diameter of the first chamber 113 is larger than the inner diameter of the second chamber 114, so that the head 11 forms a shoulder 115 between the first chamber 113 and the second chamber 114. The pushing member 20 is provided with a first end 23 having a proximal end 201, a second end 24 having a distal end 202, and two clamping jaws 25 extending from the first end 23 toward the second end 24. The two clamping jaws 25 yaw toward the axis A11 as the pushing member 20 moves along the axis A11 to selectively clamp the core member 60. Further, the first end 23 of the pushing member 20 forms a positioning column 231 extending along the axis A11. The core member 60 is provided with a positioning portion 61 spaced along the axis A11 and a core portion 62 connected to the positioning portion 61. The positioning portion 61 is selectively clamped by two clamping jaws 25 and is provided with a positioning groove 611. The opposite ends of the elastic member 70 along the axis A11 are respectively connected to the positioning post 231 and the positioning groove 611.

Further, the first end portion 23 is provided with a convex post 232 located on the end surface of the proximal end 201, and the first convex portion 21 and the first concave portion 22 are extended by the convex post 232 along the radial direction of the axis A11. The switching member 30 is provided with a through hole 322 penetrating the rotating part 32 along the axis A11. The through hole 322 is pivotally sleeved on the boss 232, so that the switching member 30 can pivot relative to the first chamber 113 and the pushing member 20 at the same time.

In order to enable the tightening member 50 to connect and clamp the British valve EV, French valve FV or American valve AV, the tightening member 50 of this embodiment has a small diameter portion 51 and a large diameter portion connecting the small diameter portion 51 52, and the urging member 50 is provided with a ring groove 53 extending around the axis A11 along the circumferential direction of the large diameter portion 52 on the outer peripheral surface of the large diameter portion 52. Further, the ring groove 53 circles the large diameter portion 52 once and has a groove surface 531 that does not contact the inner wall surface of the second chamber 114, and the groove surface 531 is arc-shaped. In addition, in order to enable the pressing member 50 to be pressed by the pressing member 20, the pressing member 50 forms a pressing portion 54 between the small diameter portion 51 and the large diameter portion 52, and the pressing portion 54 abuts against the pressing member 20. The second end 24 causes the inner diameter of the large-diameter portion 52 to be selectively reduced as the pushing member 20 moves along the axis A11, thereby helping the pressing member 50 to be properly pushed and deformed by the pushing member 20.

The body 10 of this embodiment further includes a connecting portion 12 connected to the head 11. The connecting portion 12 is adapted to connect to a trachea (not shown in the figure) of the inflator and has an air passage 121 communicating with the first chamber 113. In addition, the head 11 has a slot 116, and the switching portion 31 of the switching member 30 is exposed from the head 11 through the slot 116 for the user to switch between the first position and the second position.

In order to enable the trigger lever 40 to be changed between the released position and the locked position to selectively push the switching member 30 to move, the trigger lever 40 of this embodiment has a pivotal portion 41, and the pivotal portion 41 is provided with a first abutting surface 411 and the second abutting surface 412 of the adjacent first abutting surface 411, the first abutting surface 411 and the second abutting surface 412 can respectively push against the switch member 30 as the lever 40 pivots relative to the head 11旋部32。 Turning part 32. The lever 40 is provided with a pivot hole 42 in the pivot portion 41, and the pivot member 43 penetrates through the pivot hole 42 and is fixed to the head 11, and the distance from the first abutting surface 411 to the pivot member 43 is smaller than the first abutting surface 411 to the pivot member 43. The distance between the two top surface 412 and the pivotal member 43 is such that when the trigger lever 40 is changed from the release position to the locked position, the switch member 30 can be pushed to move relative to the first chamber 113 along the axis A11.

4 and 5, it is shown that the gas nozzle connector suitable for various gas nozzles of this embodiment is connected to the British gas nozzle EV. When the switching member 30 is in the first position and the lever 40 is in the release position, the pushing member 20 does not compress the urging member 50, so that the urging member 50 is in an undeformed and unpressed state, and the first abutting surface 411 of the lever 40 Abuts against the rotating part 32 of the switching member 30. The user can connect the British air nozzle EV to the second end 112 of the head 11, so that the pressing member 50 is connected to the British air nozzle EV, and the largest outer diameter part of the body of the British air nozzle EV contacts the pressing member 50 The large diameter portion 52 of the British valve EV passes through the tightening member 50 and abuts against the center center portion 62 of the center center member 60. The lever 40 is pivoted relative to the first end 111 of the head 11 to change from the released position to the locked position. The second abutting surface 412 of the lever 40 abuts against the rotating part 32 of the switching member 30, and the lever 40 can At the same time, the switching member 30 and the pushing member 20 are driven to move along the axis A11, so that the large diameter portion 52 of the pressing member 50 is deformed due to the pressing portion 54 being pressed by the second end 24 of the pushing member 20, resulting in a large diameter The inner diameter of the portion 52 is reduced to clamp the British valve EV.

6, when the air nozzle connector suitable for various air nozzles of this embodiment is used to connect the French air nozzle FV or the American air nozzle AV, the switching member 30 is first changed from the first position to the second position, so that the pressing member 50 In the pre-compression state. 7 and 8, it is shown that the gas nozzle joint suitable for multiple gas nozzles of this embodiment is connected to the French gas nozzle FV. When the switching member 30 is in the second position and the lever 40 is in the release position, the second protrusion 33 of the switching member 30 abuts against the first protrusion 21 of the pushing member 20 to drive the pushing member 20 to move along the axis A11. The second end 24 of the pressing member 20 presses the pressing portion 54 of the pressing member 50, so that the large-diameter portion 52 of the pressing member 50 is deformed to a pre-compressed state, that is, the inner diameter of the large-diameter portion 52 is pushed against The piece 20 moves along the axis A11 and shrinks. The user can connect the French valve FV to the second end 112 of the head 11, so that the tightening member 50 is connected to the French valve FV, and the valve screw of the French valve FV passes through the tightening member 50 and abuts against the top The top core portion 62 of the core member 60 compresses the elastic member 70 at the same time. The lever 40 is pivoted relative to the first end 111 of the head 11 to change from the released position to the locked position. The second abutting surface 412 of the lever 40 abuts against the rotating part 32 of the switching member 30, and the lever 40 can At the same time, the switching member 30 and the pushing member 20 are driven to move along the axis A11, the elastic member 70 is further compressed and the large diameter portion 52 of the pressing member 50 is pushed by the second end 24 of the pushing member 20 due to the pressing portion 54 Greater deformation produces a reduction in the inner diameter, that is, the curvature of the groove surface 531 of the ring groove 53 is increased, and the inner diameter of the large diameter portion 52 is reduced to clamp the outer threaded body of the French valve FV.

9 and 10, it is shown that the air nozzle connector suitable for multiple air nozzles of this embodiment is connected to the American air nozzle AV. When the switching member 30 is in the second position and the lever 40 is in the release position, the second protrusion 33 of the switching member 30 abuts against the first protrusion 21 of the pushing member 20 to drive the pushing member 20 to move along the axis A11. The second end 24 of the pressing member 20 presses the pressing portion 54 of the pressing member 50, so that the large-diameter portion 52 of the pressing member 50 is deformed to a pre-compressed state, that is, the inner diameter of the large-diameter portion 52 is pushed against The piece 20 moves along the axis A11 and shrinks. In addition, the two clamping jaws 25 move over the shoulder 115 with the movement of the pushing member 20 and enter the second chamber 114 to clamp the positioning portion 61 of the top core member 60. The user can connect the American air nozzle AV to the second end 112 of the head 11, so that the pressing member 50 is connected to the American air nozzle AV, and the center part 62 of the center member 60 passes through the pressing member 50 and abuts against the American valve. The air core rod of the valve AV. The lever 40 is pivoted relative to the first end 111 of the head 11 to change from the released position to the locked position. The second abutting surface 412 of the lever 40 abuts against the rotating part 32 of the switching member 30, and the lever 40 can At the same time, the switching member 30 and the pushing member 20 are driven to move along the axis A11, and the large diameter portion 52 of the pressing member 50 is more greatly deformed due to the pressing portion 54 being pressed by the second end 24 of the pushing member 20. The diameter is reduced, that is, the curvature of the groove surface 531 of the ring groove 53 is increased, so that the inner diameter of the large diameter portion 52 is reduced to clamp the body of the American valve AV.

Based on the foregoing, the above-mentioned embodiment of the present invention provides an air nozzle connector suitable for a variety of air nozzles, by the pressing member 50 being disposed in the second chamber 114 of the head 11 and being selectively pushed by the pushing member 20, The inner diameter of the pressing piece is selectively reduced to be suitable for connecting and clamping British valve EV, French valve FV or American valve AV.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be subject to those defined by the attached patent application scope.

10: body 11: head A11: Axis 111: first end 112: second end 113: The First Chamber 114: The Second Chamber 115: Shoulder 116: Grooving 12: Connection part 121: Airway 20: Push the piece 201: Proximal 202: remote 21: The first convex part 22: The first recess 23: first end 231: Positioning column 232: convex column 24: second end 25: Gripper 30: Switching pieces 31: Switching part 32: Rotating part 321: Rotating Surface 322: Perforation 33: second convex 34: second recess 40: lever 41: Pivot 411: The first to the top 412: The Second Arrival 42: pivot hole 43: pivot 50: Compression 51: Small diameter part 52: Large diameter part 53: ring groove 531: Groove 54: press down 60: Heart Piece 61: Positioning Department 611: positioning slot 62: Top Heart 70: Elastic EV: British valve AV: American valve FV: French valve

FIG. 1 is a schematic diagram of the appearance of an air nozzle connector suitable for multiple air nozzles according to an embodiment of the present invention, and shows that the switching member is located at the first position. Fig. 2 and Fig. 3 are respectively exploded schematic diagrams of the gas nozzle connector shown in Fig. 1 suitable for various gas nozzles. Figures 4 and 5 are schematic diagrams of the use of the gas nozzle connector shown in Figure 1 for various gas nozzles, showing that the gas nozzle connector is connected to the British gas nozzle. Fig. 6 is a schematic diagram of the appearance of an air nozzle connector suitable for multiple air nozzles according to an embodiment of the present invention, and shows that the switching member is located in the second position. Figures 7 and 8 are schematic diagrams of the use of the gas nozzle connector shown in Figure 6, which is suitable for various gas nozzles, showing that the gas nozzle connector is connected to the French gas nozzle. Figures 9 and 10 are schematic diagrams of the use of the gas nozzle connector shown in Figure 6 for various gas nozzles, showing that the gas nozzle connector is connected to an American gas nozzle.

10: body

11: head

A11: Axis

111: first end

112: second end

116: Grooving

12: Connection part

20: Push the piece

201: Proximal

202: remote

21: The first convex part

22: The first recess

23: first end

232: convex column

24: second end

25: Gripper

30: Switching pieces

31: Switching part

32: Rotating part

322: Perforation

40: lever

41: Pivot

412: The Second Arrival

42: pivot hole

43: pivot

50: Compression

51: Small diameter part

52: Large diameter part

53: ring groove

54: press down

60: Heart Piece

61: Positioning Department

611: positioning slot

62: Top Heart

70: Elastic

Claims (10)

An air nozzle connector suitable for multiple air nozzles includes: a body, including a head, the head having a first end and a second end spaced apart along an axis, and the head is provided with a first end extending along the axis. A chamber and a second chamber communicating with the first chamber, the first chamber and the second chamber respectively penetrate the first end and the second end; a pusher can move along the axis A switching element can be pivotally arranged in the first chamber about the axis and has a switching part exposed on the head, the switching element can pivot relative to the first chamber And drive the pushing member to move along the axis; a toggle lever, pivotally connected to the first end of the head, the toggle lever can pivot relative to the head and push the switching member to drive the pushing member Move along the axis; an urging member made of soft material and in a ring shape, the urging member is arranged in the second chamber and is selectively pushed by the pushing member, resulting in the inner diameter of the urging member Selectively reduce and adapt to British air nozzles, French air nozzles or American air nozzles; a center piece can be movably arranged along the axis in the inner space of the push member and the pressing member, resulting in the center Piece is adapted to abut against the air nozzle; and an elastic piece is arranged between the pushing piece and the core piece; wherein the pushing piece is spaced along the axis, abutting on the proximal end of the lever, and abutting At the distal end of the pressing member, the end surface of the pushing member at the proximal end is provided with at least one first convex portion and at least one first concave portion, the switching member has a rotating portion connected to the switching portion, and the rotating The portion has a rotating surface abutting against the proximal end, the switching element is provided with at least one second convex portion and at least one second concave portion on the rotating surface, and the at least one second convex portion is opposite to the first The chamber pivots to abut against the at least one first convex portion or the at least one first concave portion. The gas nozzle connector suitable for multiple gas nozzles according to claim 1, wherein the inner diameter of the first chamber is larger than the inner diameter of the second chamber, and the head is connected to the first chamber and the second chamber A shoulder is formed therebetween, and the pushing member is provided with a first end having the proximal end, a second end having the distal end, and two clips extending from the first end toward the second end Claws, the two clamping claws swing toward the axis as the pushing member moves along the axis, so as to selectively clamp the core member. The gas nozzle connector suitable for multiple gas nozzles according to claim 2, wherein the first end of the pushing member forms a positioning column extending along the axis, and the core member is provided with a positioning column spaced apart along the axis Part and a core part connected to the positioning part, the positioning part is selectively clamped by the two clamping jaws and is provided with a positioning groove, and the elastic member is respectively connected to the positioning column and the positioning column along the opposite ends of the axis. Locating slot. The gas nozzle connector suitable for multiple gas nozzles according to claim 2, wherein the first end portion is provided with a protruding post, the protruding post is located at the end surface of the proximal end, and the at least one first protruding portion is formed by the protruding post The axis extends in the radial direction, the switching member is provided with a through hole penetrating the rotating part along the axis, and the through hole is pivotally sleeved on the protruding column. The gas nozzle joint applicable to multiple gas nozzles according to claim 2, wherein the pressing member has a small diameter part and a large diameter part connecting the small diameter part, and the pressing part is on the outer periphery of the large diameter part The surface is provided with a ring groove extending around the axis along the circumferential direction of the large diameter portion. The gas nozzle joint suitable for multiple gas nozzles according to claim 5, wherein the ring groove has a groove surface that does not contact the inner wall surface of the second chamber, and the groove surface is arc-shaped. The gas nozzle connector applicable to various gas nozzles according to claim 5, wherein the pressing member forms a pressing part between the small diameter part and the large diameter part, and the pressing part abuts against the pressing part The second end of the device causes the inner diameter of the large-diameter portion to be selectively reduced as the pushing member moves along the axis. The gas nozzle connector suitable for multiple gas nozzles according to claim 1, wherein the body includes a connecting portion connected to the head, and the connecting portion is adapted to connect to the trachea of the inflator and has a connecting portion An airway of a chamber, the head has a slot, and the switching part of the switching element is exposed to the head through the slot. The gas nozzle connector suitable for multiple gas nozzles according to claim 1, wherein the lever has a pivotal portion, and the pivotal portion is provided with a first abutting surface and a second abutting surface adjacent to the first abutting surface. Abutting surface, the first abutting surface and the second abutting surface can be respectively pushed against the switching member as the lever pivots relative to the head, the lever is provided with a pivot hole in the pivot portion, And a pivotal member penetrates the pivotal hole and is fixed to the head, and the distance from the first abutting surface to the pivotal member is smaller than the distance from the second abutting surface to the pivotal member. An air nozzle connector suitable for multiple air nozzles includes: a body, including a head, the head having a first end and a second end spaced apart along an axis, and the head is provided with a first end extending along the axis. A chamber and a second chamber communicating with the first chamber, the first chamber and the second chamber respectively penetrate the first end and the second end; a pusher can move along the axis A switching element can be pivotally arranged in the first chamber about the axis and has a switching part exposed on the head, the switching element can pivot relative to the first chamber And drive the pushing member to move along the axis; a toggle lever, pivotally connected to the first end of the head, the toggle lever can pivot relative to the head and push the switching member to drive the pushing member Move along the axis; an urging member made of soft material and in a ring shape, the urging member is arranged in the second chamber and is selectively pushed by the pushing member, resulting in the inner diameter of the urging member Selectively reduce and adapt to British air nozzles, French air nozzles or American air nozzles; a center piece can be movably arranged along the axis in the inner space of the push member and the pressing member, resulting in the center Piece is suitable for abutting against the air nozzle; and an elastic piece arranged between the pushing piece and the top core piece; The inner diameter of the first chamber is greater than the inner diameter of the second chamber, the head forms a shoulder between the first chamber and the second chamber, and the pushing member is provided with a first end Portion, a second end, and two clamping jaws extending from the first end toward the second end, the two clamping jaws deflect toward the axis as the pusher moves along the axis, so as to selectively Clamp the top core piece.

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