TWM637629U - Inflation connector - Google Patents

Abstract

The invention discloses an inflatable joint, which includes an airtight sleeve, a resistance element, a push piece, a wrench and other components in the accommodation hole of the joint, and a thimble and a thimble spring are passed through the resistance element, and the ejector The push piece is provided with two detent claws on both sides. The front end of the thimble extends into the airtight sleeve for pushing the air nozzle, and the rear end extends into the push piece. In particular, the outer ring surface of the thimble has a plurality of snap rings. When the user puts the front end of the joint on the air nozzle and makes the air nozzle extend into the airtight sleeve, as long as the wrench at the rear end is pulled, so that when the wrench pushes the push piece and the blocking element forward, the two brake pawls can be made to interact with each other. By merging any position of the snap ring clamped around the thimble, it is ensured that the thimble is driven to push the air core of the air nozzle, so that the inflatable joint can be used with various air nozzles such as American, French, and British.

Description

Inflatable connector

The invention relates to the technical field of inflatable tools, especially an inflatable connector installed at the end of an inflator hose of an inflator, which can be used to connect to American, French and British air nozzles for inflating.

There are many types of air nozzles used in conventional bicycle tires, which can be mainly divided into American air nozzles, French air nozzles and British air nozzles, among which American air nozzles and French air nozzles are the most widely used. The gas core structure is completely different. In order to make the inflatable connector combined at the end of the inflator hose suitable for a variety of valves, related companies have proposed a variety of design solutions, for example, there are at least two different connectors on the inflatable connector, which can respectively correspond to American-style valves and French-style valves. The mouth, so that the user can choose the corresponding connector to be socketed on the American valve or the French valve according to the demand.

However, the above-mentioned conventional inflatable connector must use a lot of parts, resulting in complex internal structure, troublesome manufacture and assembly, so the manufacturing cost cannot be reduced, and the inflatable connector has a large volume and is difficult to store. Another way to achieve the common use of the French air nozzle and the American inflatable connector is to manufacture an additional adapter, lock the adapter to the French air nozzle, and then connect the American inflatable connector to the adapter; however, this method does not It is not directly connected and inflated to the French valve, and there are still many troubles in use.

Furthermore, there is a thimble member in the known inflatable joint, its function is to push away the air core in the air nozzle, so that the inflated gas can pass through the air nozzle to enter the tire, and the mechanism that drives the thimble to push the air core is the air core in the inflatable joint. The ejector and the two jaws, however, the conventional thimble lacks a design that allows the two jaws to hold the thimble at any position, so the position of the thimble is prone to slipping, resulting in the thimble not being able to completely push the air core of the air nozzle.

The main purpose of this creation is to provide an inflatable joint, especially through the structural improvement of the inflatable joint, so that the thimble used to push the air core can accurately push the air core of the air nozzle, and ensure excellent airtightness Effect, and the inflatable joint can provide American, French or British and other gas nozzles for matching use.

In order to achieve the above-mentioned purpose, the preferred technical solution of the inflatable joint of the present invention includes: a joint with an accommodating hole and an air inlet, which is used to allow an air nozzle to be inserted into the accommodating hole; wherein the accommodating hole The front end and the rear end of the connector are directly connected, and the air inlet is connected to one side of the accommodation hole. An airtight sleeve, which is arranged at the front end of the accommodating hole, is used to tightly cover the front section of the air nozzle that has been inserted into the accommodating hole when being squeezed. A resistance element is movably arranged in the accommodating hole at the rear end of the airtight sleeve, and is used to squeeze the airtight sleeve. A push piece is movably arranged in the accommodating hole at the rear end of the blocking element, and is used to push the blocking element forward to move toward the front end of the accommodating hole. A wrench is rotatably pivoted at the rear end of the accommodating hole, and is used for pushing the push member to move toward the front end of the accommodating hole when being pulled. A thimble and a thimble spring, the thimble is movably installed in the blocking element, the center of which has a second vent hole leading directly to its front and rear ends, its outer ring surface has a plurality of snap rings, and its front end extends to the airtight sleeve The barrel is used to push the air nozzle, and its rear end extends into the push member; the front end of the thimble spring supports the thimble, and the rear end supports the inside of the push member. Two brake pawls are symmetrically arranged on both sides of the push piece, and are used to make the two brake claws abut each other and clamp the snap ring around the thimble when the wrench pushes the push piece. And a brake pawl spring, which fits on the outer periphery of the push piece, its front end supports the two brake claws, and its rear end supports the stop portion of the push piece.

In the above-mentioned inflatable joint, the joint includes a front end combined with an end cap, and the accommodating hole extends to the end cap.

In the above-mentioned inflatable joint, a connecting pipe is integrally formed on one side of the joint, and the air intake hole communicates from the end of the connecting pipe to the accommodating hole.

In the above-mentioned inflation joint, the airtight sleeve is a circular rubber sleeve.

In the above-mentioned inflatable joint, the rear end of the blocking element has a protruding portion, and the protruding portion can push the detent pawl so that the two detent pawls engage with each other and are clamped by the snap ring around the thimble.

In the above-mentioned inflatable joint, the center of the pusher has a first air hole extending from the front end to the rear end, and the two sides of the pusher have radial through holes radially communicating with the first air hole; The claws are respectively arranged in the radial through holes.

In the above-mentioned inflatable joint, an O-ring is bonded to the outer periphery near the rear end of the pusher, and the outer diameter of the O-ring closely fits the inner wall of the accommodating hole.

An inflatable joint of the present invention, which mainly has a structure with a plurality of snap rings on the outer ring surface of the thimble. When the user fits the front end of the joint on an air nozzle, the air nozzle extends into the airtight air-tightness of the accommodating hole. After the sleeve, regardless of the depth of the air nozzle, as long as the user pulls the wrench at the rear end to push the push piece and the blocking element forward, the two brake claws can be made to lean against and clamp each other. At any position of the snap ring around the thimble, ensure that the thimble is driven to push the air core of the air nozzle, and the thimble will not slide to release the air core, and reach the inflatable joint universal American, French or British and other air nozzles effect.

The structural features and other functions and purposes of this creation are described in detail as follows according to the embodiments of the accompanying drawings:

Referring to Fig. 1 to Fig. 4, the inflatable connector of the present invention, its preferred embodiment comprises a joint 10, an airtight sleeve 20, a resistance element 30, a pusher 40, a wrench 50, a Thimble 60, a thimble spring 70, two brake claws 80 and a brake claw spring 90, wherein:

The joint 10 is used to be fitted on the air nozzle, and it has a housing hole 11 through the front end and the rear end of the joint 10, and an air inlet 12 connected to the side of the housing hole 11, when used Alternatively, when the joint 10 is to be sleeved on the gas nozzle, the gas nozzle is inserted into the accommodating hole 11 from the front end. More specifically, a front end of the connector 10 is combined with an end cap 13 , and the accommodating hole 11 extends to the end cap 13 . One side of the joint 10 is integrally formed with a connecting pipe 14 and a tightening nut 15, so that it is combined with the end of an inflation hose of the pump, and the above-mentioned air inlet 12 is connected to the container from the end of the connecting pipe 14. Set hole 11.

The airtight sleeve 20 is a circular rubber sleeve, as a member capable of holding and airtight the air nozzle, it is arranged at the front end of the accommodating hole 11, when squeezed by the rear blocking element 30, It can tightly clamp and airtight the front section of the gas nozzle inserted into the accommodating hole 11 to prevent gas leakage or joint 10 loosening during inflation.

The resistance element 30 is movably arranged in the accommodating hole 11 at the rear end of the airtight sleeve 20, and is used to squeeze the airtight sleeve 20, so that the airtight sleeve 20 can be squeezed and deformed so that it can be tightly clamped and air-tight. Air-tight nozzle; specifically, the blocking element 30 is implemented as a ring body, and its rear end has a convex portion 31 in addition, and the convex portion 31 can be used to push the two brake claws 80, so that the two brake claws 80 are close to each other and Clamped on the thimble 60 .

The pushing piece 40 is movably arranged in the accommodation hole 11 at the rear end of the blocking element 30, and is used to push the blocking element 30 forward to move toward the front end of the holding hole 11; the center of the pushing piece 40 has a The first air hole 41 extending from the front end to the rear end has a radial through hole 42 radially connected to the first air hole 41 on both sides, and an O-ring 43 is combined with the outer periphery of the near-rear end of the pushing member 40. The outer diameter of the annular ring 43 is in close contact with the inner wall of the accommodating hole 11 of the connector 10 to prevent the gas from leaking to the rear end.

The wrench 50 is rotatably pivoted at the rear end of the accommodating hole 11 , and is used for pushing the pushing member 40 to move toward the front end of the accommodating hole 11 when being pulled.

The thimble 60 is movably installed in the resisting element 30, and its center has a second vent hole 61 that goes straight to its front and rear ends, and its outer ring surface has a plurality of snap rings 62, each of which is a tapered convex ring ; The front end of the thimble 60 extends into the airtight sleeve 20 for pushing the air nozzle, and the rear end extends into the first air hole 41 of the pushing member 40 . The thimble spring 70 is a compression spring, and its front end is held against the inner wall of the second air hole 61 of the thimble 60, and its rear end is held against the inside of the first air hole 41 of the pusher 40. When the airtight sleeve 20 touches the front end of the thimble 60 , the thimble spring 70 can push the front end of the thimble 60 against the air core of the air nozzle.

The two brake pawls 80 are symmetrically arranged in the radial through holes 42 on both sides of the push piece 40 , and there is a buckle 81 on the inside of the rear end thereof for moving forward when the wrench 50 pushes the push piece 40 . At this time, the rear ends of the two locking pawls 80 are pressed against each other, so that the buckle portion 81 is clamped by the locking ring 62 around the thimble 60 . The brake pawl spring 90 is a compression spring, which fits on the outer periphery of the push member 40, and its front end supports the first-stage portion 82 on the outside of the two brake claws 80, and its rear end supports the push member. A stopper 44 of 40.

As shown in FIG. 5 , when the invention is in use, the user can insert the front end of an American-style air nozzle 100 into the accommodation hole 11 at the front end of the joint 10 so that the airtight sleeve 20 fits on the American-style air nozzle 100 . At this time, the air core 101 of the American style air nozzle 100 will push the front end of the thimble 60 to make the thimble 60 move slightly backward, and push the front end of the thimble 60 against the air core 101 of the air nozzle through the thimble spring 70 . Thereafter, turn the wrench 50 again, so that the wrench 50 drives the pusher 40 to move forward, so that the convex portion 31 of the blocking element 30 guides the buckle portion 81 on the inner side of the rear end of the two brake claws 80 to buckle the latch of the thimble 60. Ring 62, so that the thimble 60 can no longer move and shrink. In this way, when the push piece 40 continues to move forward, the push piece 40 and the two brake pawls 80 can drive the thimble 60 to push the air core 101 forward, and at the same time, the resistance element 30 squeezes the airtight sleeve 20 forward to make the air The tight sleeve 20 compresses and deforms to clamp and airtight the American-style valve 100 to prevent the connector 10 from detaching from the American-style valve 100 during inflation. Referring to Fig. 6 and Fig. 7 again, when the above-mentioned American air nozzle 100 is inserted into the accommodation hole 11 at the front end of the joint 10, no matter the depth to which the air core 101 pushes the thimble 60 back, the two brake pawls 80 can buckle the thimble 60. Any one of the snap rings 62, and when the two brake pawls 80 drive the thimble 60 to push forward, because of the structure of the snap ring 62, the thimble 60 can be prevented from sliding backwards, so this invention can ensure that the thimble 60 is driven to push the air core 101, and the effect that the thimble 60 will not slide backwards.

Referring to Figure 8 again, this invention also allows the user to socket the joint 10 on the French valve 200, first use the French valve 200 to push the thimble 60 to shrink, and then turn the wrench 50, and the wrench 50 drives the push piece 40 Move forward and push the thimble 60 forward at the same time, so that the air core 201 of the French air nozzle 200 can be pushed away by the thimble 60 to inflate. Similarly, the forward thrust of the push piece 40 and the blocking element 30 can also be used to compress the airtight sleeve 20 so that the airtight sleeve 20 clamps the French air nozzle 200 to prevent the joint 10 from detaching from the French air nozzle 200 during use. . Thus it can be seen that this creation reaches the effect of various gas nozzles such as universal American, French or British types of inflatable joints.

To sum up, the inflatable joint of this creation is indeed practical and creative, and the use of its technical means is undoubtedly novel, and the effect and design purpose are indeed consistent, which has been said to be reasonable and progressive. For this reason, I filed a patent application for a new model according to the law, but I would like to ask the Jun Bureau to give you a detailed review and pray for the grant of the patent. I am very grateful.

10: Connector 11:Accommodating hole 12: Air intake hole 13: End cap 14: Connecting pipe 15: Compression nut 20: airtight sleeve 30: Stopping element 31: convex part 40: Pusher 41: The first vent hole 42: Radial through hole 43: O-ring 44: stop part 50: wrench 60:thimble 61:Second ventilation hole 62: snap ring 70:thimble spring 80: brake pawl 81: buckle 82: class department 90: brake pawl spring 100: American air nozzle 101: gas core 200: French valve 201: gas core

[Fig. 1] is a three-dimensional schematic diagram of the composition state of the preferred embodiment of the inflatable joint of the present invention. [Fig. 2] is an exploded schematic view of all components of a preferred embodiment of the inflatable joint of the present invention. [Fig. 3] is an exploded schematic diagram of some components of a preferred embodiment of the inflatable joint of the present invention. [Fig. 4] is a cross-sectional side view schematic diagram of a preferred embodiment of the inflatable joint of the present invention. [Fig. 5] It is a schematic diagram of the use status of the preferred embodiment of the inflatable joint used in the American air nozzle. [Fig. 6] It is the first schematic diagram of the two brake pawls leaning against each other and clamping the snap ring around the thimble in this invention. [Fig. 7] It is the second schematic diagram of the snap ring that the two brake pawls lean against each other and are clamped around the thimble in this invention. [Fig. 8] It is a schematic diagram of the use status of the preferred embodiment of the inflatable joint used in the French air nozzle.

10: Connector

11:Accommodating hole

13: End cap

14: Connecting pipe

20: airtight sleeve

30: Stopping element

31: convex part

40: Pusher

41: The first vent hole

42: Radial through hole

43: O-ring

44: stop part

50: wrench

60:thimble

61:Second ventilation hole

62: snap ring

70:thimble spring

80: brake pawl

81: buckle

82: class department

90: brake pawl spring

Claims (7)

An inflatable joint comprising: A joint, which has an accommodating hole and an air inlet hole, which is used to allow an air nozzle to be inserted into the accommodating hole; wherein the accommodating hole is directly connected to the front end and the rear end of the joint, and the air inlet hole is connected to the accommodating hole side; An airtight sleeve, which is arranged at the front end of the accommodating hole, and is used to tightly cover the front section of the air nozzle that has been inserted into the accommodating hole when being squeezed; A resistance element, which is movably arranged in the accommodating hole at the rear end of the airtight sleeve, and is used to squeeze the airtight sleeve; a push piece, which is movably arranged in the accommodating hole at the rear end of the blocking element, and is used to push forward the blocking element to move toward the front end of the accommodating hole; A wrench, which is rotatably pivoted at the rear end of the accommodating hole, is used to push the push member to move towards the front end of the accommodating hole when being pulled; A thimble and a thimble spring, the thimble is movably installed in the blocking element, the center of which has a second vent hole leading directly to its front and rear ends, its outer ring surface has a plurality of snap rings, and its front end extends to the airtight sleeve The cylinder is used to push the air nozzle, and its rear end extends into the push piece; the front end of the thimble spring is held against the thimble, and the rear end is held inside the push piece; Two brake claws, which are symmetrically and movablely arranged on both sides of the push piece, are used to make the two brake claws abut each other and clamp the snap ring around the thimble when the wrench pushes the push piece; and A brake pawl spring fits on the outer periphery of the push piece, its front end supports the two brake claws, and its rear end supports the stop portion of the push piece. The inflatable joint as claimed in claim 1, wherein the joint comprises a front end combined with an end cap, and the receiving hole extends to the end cap. The inflatable joint according to claim 1, wherein a connecting pipe is integrally formed on one side of the joint, and the air inlet is connected from the end of the connecting pipe to the accommodating hole. The pneumatic joint as claimed in claim 1, wherein the airtight sleeve is a circular rubber sleeve. The inflatable joint as claimed in claim 1, wherein the rear end of the blocking element has a protrusion, and the protrusion can push the locking claw so that the two locking claws come into contact with each other and are clamped by the snap ring around the thimble . The inflatable joint according to claim 1, wherein the center of the push piece has a first vent hole extending from its front end to the rear end, and the two sides of the push piece have radial passages radially connected to the first vent hole. hole; the two brake pawls are respectively arranged in the radial through hole. The inflatable joint according to claim 1, wherein an O-ring is attached to the outer periphery near the rear end of the push member, and the outer diameter of the O-ring closely fits the inner wall of the accommodating hole.

Images