CN210462016U

CN210462016U - Leak-proof high-sealing gas pipe joint

Info

Publication number: CN210462016U
Application number: CN201921549052.9U
Authority: CN
Inventors: 虞杰
Original assignee: Zhuji Lain Pipe Co Ltd
Current assignee: Zhuji Lain Pipe Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-05
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a high sealed gas coupling of leak protection aims at providing a sealed effectual, and simple structure and practicality are strong gas coupling, and its technical scheme main points are that the joint body includes A link and B link, is equipped with the external screw thread on the A link, is equipped with the external screw thread on the B link, and is equipped with the sealing plug in the B link, still be equipped with lock nut on the B link, be equipped with the separation sleeve between sealing plug and the lock nut, the separation sleeve includes base part and extension, is equipped with outer inclined plane between base part and the extension, is equipped with a plurality of sealed annulars on extension's the inner wall, and each sealed annular is slope form setting, and all is equipped with the sealing washer in each sealed annular, the utility model is suitable for a gas pipeline accessory technical field.

Description

Leak-proof high-sealing gas pipe joint

Technical Field

The utility model relates to a gas pipe fitting technical field, more specifically say, it relates to a leak protection high seal gas coupling.

Background

And the gas pipe joint is used for connecting the gas pipe and conveying gas.

At present, the gas pipe joint on the market comprises a joint body. Traditional gas coupling, including A link and B link, and traditional gas coupling's sealed effect is relatively poor, has the potential safety hazard to a certain extent, then needs a sealed effectual gas coupling.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a sealed effectual, simple structure and practicality are strong gas coupling.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high sealed gas coupling of leak protection, includes and connects the body, connect the body and include A link and B link, be equipped with the external screw thread on the A link, be equipped with the external screw thread on the B link, and be equipped with the sealing plug in the B link, still be equipped with lock nut on the B link, be equipped with the separation sleeve between sealing plug and the lock nut, the separation sleeve includes base portion and extension, is equipped with the outer inclined plane between base portion and the extension, is equipped with a plurality of sealed annular on the inner wall of extension, and each sealed annular is the slope form setting, and all is equipped with the sealing washer in each sealed annular.

By adopting the technical scheme, the joint body comprises the A connecting end and the B connecting end, the A connecting end is provided with the external thread, the B connecting end is provided with the external thread, in order to improve the sealing effect of the B connecting end, the sealing plug is arranged in the B connecting end and is matched with the lock nut arranged on the B connecting end, the good sealing effect is further improved, the practicability is strong, the structure is simple, the isolating sleeve is further arranged between the sealing plug and the lock nut, the positioning effect on the gas pipe is ensured, the isolating sleeve further comprises the base part and the extending part, the outer inclined plane is arranged between the base part and the extending part, the inclined plane sealing effect with the lock nut is formed through the arranged outer inclined plane, the practicability is strong, the structure is simple, and further, the plurality of sealing ring grooves are arranged on the inner wall of the extending part in an inclined manner, and all be equipped with the sealing washer in each sealed annular, adopt the cooperation between sealed annular and the sealing washer, improved good sealed effect, the practicality is strong, simple structure.

The utility model discloses further set up to: and an inner inclined plane which is inconsistent with the outer inclined plane is arranged on the inner side wall of the locking nut, and the inclination of the inner inclined plane is the same as that of the outer inclined plane.

By adopting the technical scheme, the inner inclined plane which is inconsistent with the outer inclined plane is arranged on the inner side wall of the locking nut, the inner inclined plane and the outer inclined plane are arranged by adopting the structure, and the inclination of the inner inclined plane is the same as that of the outer inclined plane, so that the good positioning and sealing effect is improved, the practicability is high, the structure is simple,

the utility model discloses further set up to: and a buffer notch is arranged on the isolation sleeve.

Through adopting above-mentioned technical scheme, be equipped with the buffering breach on the spacer sleeve, through the buffering breach that sets up, when lock nut connects the locking, the shrink of buffering breach provides the buffering effect for the spacer sleeve, prevents that the spacer sleeve from producing deformation and leading to damaging, has improved good structural strength, and stability.

Drawings

Fig. 1 is a structural diagram of an embodiment of a leak-proof high-sealing gas pipe joint of the present invention.

In the figure, the reference number 1 is connected with the end A; 2. b, connecting the end; 3. a sealing plug; 4. a lock nut; 40. an inner bevel; 5. an isolation sleeve; 50. a base portion; 51. an extension portion; 52. an outer bevel; 510. sealing the ring groove; 511. a seal ring; 6. and buffering the gap.

Detailed Description

The embodiment of the leak-proof high-sealing gas pipe joint of the present invention is further described with reference to fig. 1.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

A leak-proof high-sealing gas pipe joint comprises a joint body, wherein the joint body comprises an A connecting end 1 and a B connecting end 2, an external thread is arranged on the A connecting end 1, an external thread is arranged on the B connecting end 2, in order to improve the sealing effect of the B connecting end 2, a sealing plug 3 is arranged in the B connecting end 2, and is matched with a lock nut 4 arranged on the B connecting end 2, so that the good sealing effect is further improved, the practicability is strong, the structure is simple, a spacer sleeve 5 is further arranged between the sealing plug 3 and the lock nut 4, so that the positioning effect on a gas pipe is ensured, the spacer sleeve 5 comprises a base part 50 and an extension part 51, an outer inclined surface 52 is arranged between the base part 50 and the extension part 51, the inclined surface sealing effect with the lock nut 4 is formed through the arranged outer inclined surface 52, the practicability is strong, and the structure is, further through being equipped with a plurality of seal ring grooves 510 on the inner wall of extension 51, each seal ring groove 510 is the slope form setting, and all is equipped with sealing washer 511 in each seal ring groove 510, adopts the cooperation between seal ring groove 510 and the sealing washer 511, has improved good sealed effect, and the practicality is strong, simple structure.

The utility model is further arranged in such a way that the inner side wall of the lock nut 4 is provided with the inner inclined surface 40 which is in contact with the outer inclined surface 52, and the inner inclined surface and the outer inclined surface are arranged by adopting the structure, and the gradient of the inner inclined surface 40 is the same as that of the outer inclined surface 52, thus improving the good positioning and sealing effect, strong practicability and simple structure,

the utility model discloses further set up to, be equipped with buffering breach 6 on the spacer sleeve 5, through the buffering breach 6 that sets up, when lock nut 4 connects the locking, buffering breach 6 shrink provides the buffering effect for spacer sleeve 5, prevents that spacer sleeve 5 from producing deformation and leading to damaging, has improved good structural strength, and stability thereof.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims

1. A leakage-proof high-sealing gas pipe joint comprises a joint body and is characterized in that the joint body comprises an A connecting end (1) and a B connecting end (2), an external thread is arranged on the A connecting end (1), an external thread is arranged on the B connecting end (2), a sealing plug (3) is arranged in the connecting end B (2), a locking nut (4) is also arranged on the connecting end B (2), an isolating sleeve (5) is arranged between the sealing plug (3) and the locking nut (4), the isolation sleeve (5) comprises a base part (50) and an extension part (51), an outer inclined surface (52) is arranged between the base part (50) and the extension part (51), the inner wall of the extension part (51) is provided with a plurality of sealing ring grooves (510), each sealing ring groove (510) is arranged in an inclined manner, and a sealing ring (511) is arranged in each sealing ring groove (510).

2. The leak-proof high-sealing gas pipe joint according to claim 1, wherein the inner side wall of the lock nut (4) is provided with an inner inclined surface (40) which is in contact with the outer inclined surface (52), and the inclination of the inner inclined surface (40) and the inclination of the outer inclined surface (52) are the same.

3. The leak-proof high-sealing gas pipe joint as claimed in claim 1, wherein the isolation sleeve (5) is provided with a buffer notch (6).