TWI666399B - Screw-in air nozzle joint - Google Patents

Abstract

A screw-in type air nozzle joint includes a fixed connection pipe, which has a pipe body and a driving portion. The pipe body has an air inlet portion provided at one end, an air outlet portion provided at the other end, and a penetration portion passing through the air inlet portion. And a receiving hole of the air outlet portion, a spring element is disposed in the receiving hole, has a pressing end abutting on one end of the air inlet portion, and a force end opposite to the pressing end, and a thimble has a bottom end A force end of the spring element is inserted, a thimble end opposite to the bottom end, a clamping end located between the bottom end and the thimble end and abutting against the force end, and a limit ring is placed on the The thimble end is against which the clamping end abuts. It has a first threaded hole for screwing French air nozzles, and a rotating ring is pivotally arranged on the air outlet, and has a second threaded screw for American air nozzles. Threaded hole.

Description

Screw-in nozzle connector

The invention relates to a gas nozzle joint, in particular to a screw-in type gas nozzle joint.

There are many types of tire nozzles, mainly the most common are French and American nozzles. The dedicated nozzle connector cannot inflate the American nozzle and the French nozzle in a universal way, so the nozzle connector of the pump is not directly inserted into the tire. The gas nozzle can be used, first observe whether the gas nozzle on the tire is American or French, and then select a suitable nozzle connector corresponding to the nozzle. Because the American valve connector is more common than the French nozzle connector, When inflating the gas nozzle, you must first change the French gas nozzle connector at the American gas nozzle connector before you can inflate. If you do not carry a conversion connector, you cannot inflate the French gas nozzle, and there are many types of gas nozzle connectors and their appearances are different. After the nozzle joint is converted, it may be disturbed by the spokes of the tire, which is not conducive to the connection between the nozzle joint and the nozzle.

Therefore, a nozzle joint that can be applied to both American-style gas nozzles and French-style gas nozzles has been developed. It is a "American-French gas nozzle universal connector" disclosed in the Republic of China Patent No. I571579, which is designed as a lever on the outer casing. And connected with internal components. When the nozzle joint is not in use, it is in a horizontal state with the pole. It can be repeatedly pulled from a loose position to a fastened position, but the structure of the tire's spokes and the wheel frame is closely combined. As a result, the space of the air nozzle of the tire joint installation device tire is too narrow. When the user installs the lever of the gas nozzle inflation joint, it is easy to be blocked by the spokes of the tire. It is easy to deform the front end of the nozzle joint when pressing the lever. This design is prone to air leakage or loosening. The user needs extra operating space to move the lever, which will greatly increase the difficulty of installation.

In view of the shortcomings of the above-mentioned conventional technologies, the object of the present invention is to provide a screw-in type air nozzle joint, which achieves the effect of simple installation.

Therefore, the present invention relates to a screw-in type gas nozzle joint including a fixed pipe, a spring element, a thimble, a limit ring and a rotating ring.

The fixed pipe has a pipe body and a driving portion, the pipe body has an air inlet portion provided at one end, an air outlet portion provided at the other end, and an accommodation hole penetrating the air inlet portion and the air outlet portion, The air inlet portion has an air inlet connected to the accommodating hole, and the driving portion is provided with an outer ring surface of the tube body.

The spring element is disposed in the accommodating hole, and the spring element has a pressed end that abuts on one end of the air inlet part and a stressed end that is opposite to the pressed end.

The thimble has a bottom end into which the force end of the spring element is inserted, a thimble end opposite to the bottom end, a clamping end located between the bottom end and the thimble end and resisting the force end, and a Through the thimble airway passing through the bottom end and the thimble end, the spring element provides elastic force to the clamping end of the thimble, so that the thimble maintains a pre-force for displacement toward the air outlet, and the thimble airway communicates with the accommodation hole.

The stop ring is sleeved on the end of the thimble and against which the clamping end abuts. The stop ring has a first threaded hole for screwing on a French gas nozzle.

The rotating ring is pivoted on the air outlet, and the rotating ring has a second threaded hole for screwing the American-style gas nozzle.

The beneficial effect of the present invention is that the American-style or French-style gas nozzles are screwed on the tire by screwing in. In particular, the invention does not require extra operating space in appearance, and will not be affected by the tire during operation. Spoke interference, to achieve the effect of easy installation.

The foregoing and other technical contents, features, and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings.

Please refer to FIG. 1 to FIG. 3. A screw-in type air nozzle connector 100 provided by the present invention mainly includes a fixed tube 10, a spring element 20, a thimble 30, a stop ring 40, a rotation ring 50, A pipe connection 60 and an air-tight leak-proof ring 110, of which:

The fixed connection pipe 10 is in the shape of a letter, and has a pipe body 11 and a driving portion 12. The pipe body 11 has an air inlet portion 111 provided at one end, an air outlet portion 112 provided at the other end, and a through-air inlet. The receiving portion 113 of the portion 111 and the air outlet portion 112 has an air inlet 1111 communicating with the receiving hole 113. The driving portion 12 is an outer annular surface of the tube body 11.

The spring element 20 is disposed in the accommodating hole 113. The spring element 20 has a pressing end 21 abutting on one end of the air inlet portion 111 and a force receiving end 22 opposite to the pressing end 21.

The thimble 30 has a bottom end 31 into which the force receiving end 22 of the spring element 20 is inserted, a thimble end 32 opposite to the bottom end 31, and a position between the bottom end 31 and the thimble end 32 and abutting on the end. The clamping end 33 of the stressed end 22 and a thimble air passage 34 penetrating the bottom end 31 and the thimble end 32. The spring element 20 provides elastic force to the clamping end 33 of the thimble 30, so that the thimble 30 remains facing the air outlet. With the pre-force displaced in the 112 direction, the thimble airway 34 communicates with the accommodation hole 113.

The stop ring 40 is sleeved on the thimble end 32 and abuts against the clamping end 33. The stop ring 40 has a first threaded hole 41 for screwing the French air nozzle 300, as shown in FIG. 5. Show.

The rotating ring 50 is pivotally disposed on the air outlet portion 112. The rotating ring 50 has a second threaded hole 51 for screwing an American-style gas nozzle.

The present invention further includes a gas nozzle leakage ring 110. The gas nozzle leakage ring 110 is located between the stop ring 40 and the air outlet portion 112. The material of the gas nozzle leakage ring 110 is synthetic rubber.

The present invention further has a cylindrical tube 60 disposed in the accommodation hole 113. The cylindrical tube 60 has an air hole 61 axially penetrating and communicating with the accommodation hole 113 and provided for the spring element 20, and an air hole provided in the air hole. The cylindrical tube end 62 inside 61 and against which the pressing end 21 of the spring element 20 abuts.

The present invention further includes a pipe joint 70 having a pipe joint 71, an air-tight end 72 opposite to the pipe joint 71, and a through-hole through the pipe joint 71 and the air-tight end 72. In the pipe connection channel 73, the air-tight end 72 is air-tightly disposed in the accommodation hole 113 and abuts against the cylindrical pipe end 62 of the cylindrical pipe 60, and the pipe connection end 71 projects out of the air inlet 1111. The pipe connection channel communicates with the accommodation hole 113, and an outer ring of the pipe connection end 71 of the pipe connection member 70 is formed into a threaded state.

In addition, in the present invention, a first airtight ring 80 and a second airtight ring 90 can be provided between the pressing end 21 of the spring element 20 and the air inlet portion 111 to achieve a better airtight effect.

Based on the above-mentioned components of the screw-in valve joint provided by the present invention and the way of assembling it, the use characteristics are described as follows: When the present invention is combined with an American-style valve 200, please refer to FIG. 4 The second threaded hole 51 of the rotary ring 50 of the present invention is in contact with the American-style gas nozzle 200. The user holds the rotary ring 50 and rotates the rotary ring 50 so that the external thread on the American-style gas nozzle 200 and the The second threaded hole 51 of the rotating ring 50 is screwed until it is in close contact with the air nozzle leakage ring 110, and the air nozzle leakage ring 110 abuts against the stop ring 40, so that the American-style gas nozzle 200 is fixed to the The second threaded hole 51 stops moving forward. At this time, the thimble end 32 of the thimble 30 closely abuts the American-style air nozzle 200, so that the air flow from the inflatable device passes through the air inlet end 111 to the accommodation hole 113. Then, the thimble airway 34 is injected into the American-style air nozzle 200 to complete the inflation action, and since the external thread of the American-style air nozzle 200 is screwed with the second threaded hole 51, the re-inflation process of the present invention can be ensured. In this case, it will not be separated from the American-style gas nozzle 200.

When the inflation is completed, the rotating ring 50 can be rotated in the reverse direction to separate the present invention from the American-style air nozzle 200.

When the present invention is combined with a French gas nozzle 300, please refer to FIG. 5, first let the French gas nozzle 300 pass through the second threaded hole 51 of the rotating ring 50, so that the first threaded hole 41 and the French gas nozzle The outer thread of 300 contacts and is held by the user to rotate on the driving part 12, so that the outer thread of the French gas nozzle 300 is screwed tightly with the first threaded hole 41 of the stop ring 40. Mouth 300 will move the thimble 30 Thimble end 32, and the thimble 30 compresses the spring element 20 and moves toward the cylindrical tube end 62, and the pressed end 21 of the spring element 20 abuts against the cylindrical tube end 62 of the cylindrical tube 60, when screwed tightly, The French air nozzle 300 is fixed in the air hole 61 of the cylindrical tube 60 and stops to advance, so that the air flow from the inflatable device passes through the air inlet end 111 to the accommodation hole 113 and then to the thimble air passage 34 to be injected into the French The air nozzle 300 is used to complete the inflation action, and since the external thread of the French air nozzle 300 is screwed with the first threaded hole 41, it can be ensured that the French air nozzle 300 will not be detached from the French air nozzle 300 during the re-inflation process. situation.

When the inflation is completed, the driving portion 12 can be rotated in the reverse direction to separate the present invention from the French air nozzle 300.

Please refer to FIG. 6 to FIG. 9. A screw-in type air nozzle connector 100 provided by the second embodiment of the present invention also includes a fixed tube 10, a spring element 20, a thimble 30, and a stop ring. 40. A rotating ring 50 and an airtight leak-proof ring 110 are not described in detail because the configuration and effect of the second embodiment are the same as those of the first embodiment. The difference of the second embodiment is that the appearance of the fixed connection pipe 10 is L-shaped, the tube body further includes a handle 114 located on one side of the tube body 11 and between the air inlet portion 111 and the air outlet portion 112. An air inlet channel 115 is formed inside the handle 114 and penetrates through the body. At both ends of the handle 114, one end of the air inlet channel 115 is connected to the accommodation hole 111 to form an opening 116, and a set of connecting portions 117 is provided at the other end of the air inlet channel 115. The rotary ring 50 has a The first rotating portion 52 and a second rotating portion 53 are disposed in the first rotating portion 52 and the second rotating portion 53 is driven by the rotation of the first rotating portion 52 so that The American screw hole 531 of the second rotating portion 53 is in contact with the American valve 200.

It is worth mentioning that the present invention has the following effects:

First, they are closely integrated. The invention uses a screw-in method to screw the air nozzle on the tire. When in operation, due to the tight coupling between the air nozzle joint and the air nozzle, there will be no air leakage or looseness caused by high air pressure.

Second, there is no need for a conversion connector. The invention can be applied to the American-style gas nozzle 200 and the French-style gas nozzle 300, so the user can install the gas nozzle without first identifying the type of the gas nozzle.

Third, it is easy to install. Because the outer shell of the conventional gas nozzle joint is designed with a lever, the lever is easily blocked by the spokes of the tire. The present invention does not require additional operating space, so it will not be disturbed by the spokes on the tire. Easy to install.

The above-mentioned embodiments only exemplarily illustrate the principle and effects of the present invention, and are not intended to limit the present invention. Anyone who is familiar with this technique can modify and change the above embodiments without departing from the spirit and scope of the invention. Therefore, the scope of protection of the rights of the present invention should be as listed in the scope of patent application.

100‧‧‧Screw-in nozzle connector

10‧‧‧Fixed over

11‧‧‧ Ontology

111‧‧‧Air intake

1111‧‧‧Air inlet

112‧‧‧Air outlet

113‧‧‧ Receiving hole

114‧‧‧grip

115‧‧‧Air inlet channel

116‧‧‧ opening

117‧‧‧Assembly Department

12‧‧‧Driver

20‧‧‧ spring element

21‧‧‧ Suppressed end

22‧‧‧force end

30‧‧‧ thimble

31‧‧‧ bottom end

32‧‧‧ thimble end

33‧‧‧ Card end

34‧‧‧ thimble airway

40‧‧‧ stop ring

41‧‧‧first threaded hole

50‧‧‧Circle

51‧‧‧Second tapped hole

52‧‧‧first rotation

53‧‧‧Second Rotating Section

531‧‧‧ American threaded hole

60‧‧‧ cylindrical tube

61‧‧‧Stoma

62‧‧‧ cylindrical tube end

70‧‧‧ Pipe Fittings

71‧‧‧pipe end

72‧‧‧airtight end

73‧‧‧ tube for airway

80‧‧‧ the first airtight ring

90‧‧‧Second Airtight Ring

110‧‧‧Gas leak stop ring

200‧‧‧ American Gas Valve

300‧‧‧French nozzle

FIG. 1 is a perspective exploded view of a first embodiment of the present invention, illustrating a preferred embodiment of the present invention; FIG. 2 is a combined view of a first embodiment of the present invention; FIG. 3 is a combined sectional view of a first embodiment of the present invention; Fig. 4 is a cross-sectional view of the operation of combining the first embodiment of the present invention with an American gas nozzle; Fig. 5 is a cross-sectional view of the operation of combining the first embodiment of the present invention with a French gas nozzle; Fig. 6 is a second embodiment of the present invention An exploded perspective view; Fig. 7 is a combined view of a second embodiment of the present invention; Fig. 8 is an operation sectional view of a second embodiment of the present invention combined with an American-style gas nozzle; and Fig. 9 is a second embodiment of the present invention and a French formula Cross sectional view of the operation of the air nozzle.

Claims (6)

A screw-in type gas nozzle joint includes: a fixed connection pipe having a pipe body and a driving portion, the pipe body having an air inlet portion provided at one end, an air outlet portion provided at the other end, and a through hole A receiving hole of the air inlet portion and the air outlet portion, the air inlet portion has an air inlet communicating with the receiving hole, the driving portion is provided with an outer ring surface of the tube body, and a spring element is provided in the receiving hole. Inside, the spring element has a pressed end that abuts on one end of the air inlet part and a stressed end that is opposite to the pressed end; a thimble having a bottom end that is inserted into the force end and an opposite end to the bottom end A thimble end, a clamping end located between the bottom end and the thimble end and abutting against the stressed end, and a thimble airway passing through the bottom end and the thimble end, the spring element provides elastic force to the clamping end, so that The thimble maintains a pre-force for displacement toward the air outlet, and the thimble air passage communicates with the accommodation hole; a stop ring is sleeved on the end of the thimble and is used by the clamping end for abutment, and the limit ring has a A first threaded hole for screwing a French gas nozzle; and a rotating ring, Disposed in the outlet portion, the second rotating ring having a threaded hole for screwing American gas nozzle. According to the screw-in type gas nozzle joint described in item 1 of the patent application scope, wherein the fixed pipe is in the shape of an L or an L. According to the screw-in type gas nozzle joint described in item 2 of the scope of patent application, the fixed pipe is in the shape of a letter, and a cylindrical pipe is placed in the accommodation hole, and the cylindrical pipe has an axial penetration and communicates with the accommodation. An air hole provided for the spring element, and a cylindrical pipe end provided in the air hole and against which the pressed end of the spring element abuts. The screw-in type gas nozzle joint according to item 3 of the patent application scope, further comprising a pipe joint, the pipe joint having a pipe end, an airtight end opposite to the pipe end, and a through The tube connection end and the airtight end tube connection air passage, the airtight end is airtightly disposed in the accommodation hole and abuts against the cylindrical tube end of the cylindrical tube, and the tube connection end extends out of the air inlet. , The tube connecting the air passage communicates with the receiving hole. According to the screw-in type gas nozzle joint described in item 4 of the scope of the patent application, wherein the outer ring of the pipe end of the pipe fitting is provided with a threaded state. The screw-in type gas nozzle joint according to item 1 of the scope of the patent application, further comprising a gas nozzle leakage ring, which is arranged between the stop ring and the position of the air outlet. The mouth leak-proof ring is made of synthetic rubber.