CN220037817U

CN220037817U - High-tightness high-pressure pipe joint structure

Info

Publication number: CN220037817U
Application number: CN202321582372.0U
Authority: CN
Inventors: 戴慈斌
Original assignee: Ningbo Weimeng Hydraulic Co ltd
Current assignee: Ningbo Weimeng Hydraulic Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-17
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the field of pipeline joints and discloses a high-tightness high-pressure pipe joint structure, which has the technical scheme that the high-tightness high-pressure pipe joint structure comprises a joint body and a first sealing element, wherein the joint body comprises a head end, the head end is movably connected with a sleeve, internal threads are formed in the sleeve, a connector is used for connecting a first annular ring and a second annular ring, the first annular ring and the second annular ring are integrated, dislocation can not occur during installation, the high-tightness high-pressure pipe joint structure is stable, when the sleeve is in threaded connection with a pipeline, the part, located on the outer side of a first elastic piece, of the second sealing element abuts against the sleeve to form a seal, the part, located in a third annular groove, of the second sealing element is clamped by the first elastic piece, the first elastic piece deforms, and the tightness between the second sealing element and the sleeve is better by means of restoring force of the first elastic piece, so that the tightness is better.

Description

High-tightness high-pressure pipe joint structure

Technical Field

The utility model relates to the field of pipeline connectors, in particular to a high-tightness high-pressure pipe joint structure.

Background

The high-pressure pipe joint is commonly used on cleaning equipment, is connected with a cleaning gun and the like through the high-pressure pipe joint, and water flow in the high-pressure pipe joint has certain pressure, so that the water can be sprayed for a certain distance, and the cleaning of vehicles and the like is more convenient and clean;

the high-pressure pipe joint has a certain pressure of the flowing liquid, so that after long-time use, a failure part exists in the sealing ring, and water leakage is caused.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a high-tightness high-pressure pipe joint structure which is used for improving the tightness of the high-pressure pipe joint and preventing water leakage.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high leakproofness high-pressure pipe joint structure, includes the joint body and first sealing member, the joint body includes the head end, head end swing joint has the sleeve, be formed with the internal thread in the sleeve, first annular has been seted up to the head end lateral surface, the second annular has been seted up to the terminal surface of head end, first annular with the intercommunication has a plurality of spread grooves between the second annular, first sealing member includes first ring, second ring and a plurality of connector, the connector is used for connecting first ring with the second ring, first ring embedding is in the first annular, the second ring embedding is in the second annular, the connector embedding corresponds in the spread groove, the afterbody integrated into one piece of head end has a plurality of first elastic pieces, a plurality of first elastic pieces with be formed with the third annular between the head end, the third is embedded to have the second sealing member, the second sealing member wraps up a plurality of first elastic pieces.

As a further improvement of the utility model, the material of the first seal and the second seal is rubber.

As a further improvement of the utility model, the first elastic pieces are uniformly distributed along the central axis of the sleeve in the circumferential direction.

As a further improvement of the utility model, the outer side surface of the sleeve is provided with anti-skid patterns.

As a further improvement of the utility model, the joint body comprises a tail end, and the outer side surface of the tail end is provided with external threads.

As a further improvement of the utility model, a plurality of second elastic sheets are integrally formed on one side of the tail end, which is away from the head end, a fourth annular groove is formed between the second elastic sheets and the tail end, a third sealing element is embedded in the fourth annular groove, and the third sealing element wraps the second elastic sheets.

As a further improvement of the present utility model, the second elastic pieces are uniformly distributed circumferentially along the central axis of the tail end.

As a further improvement of the utility model, the second elastic sheet comprises a bending section and a vertical section, wherein the bending section and the vertical section are integrally formed, and the bending section is bent towards the side away from the tail end.

The utility model has the beneficial effects that: the connecting body is used for connecting the first ring and the second ring, so that the first ring and the second ring are integrated, dislocation is avoided during installation, the connecting body is stable, after the sleeve is in threaded connection with a pipeline, the part, located on the outer side of the first elastic piece, of the second sealing piece is abutted against the sleeve to form sealing, the part, located in the third annular groove, of the second sealing piece is clamped by the first elastic piece, the first elastic piece deforms, and the tightness between the second sealing piece and the sleeve is better by means of the restoring force of the first elastic piece, so that the sealing performance is better.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model facing the second elastic sheet;

FIG. 5 is a schematic view of the structure at the head end of the present utility model;

fig. 6 is a schematic view of the structure of the first seal member of the present utility model.

Reference numerals: 1. a joint body; 11. a head end; 111. a first ring groove; 112. a second ring groove; 113. a connecting groove; 114. a third ring groove; 12. tail end; 121. a fourth ring groove; 122. an external thread; 2. a first seal; 21. a first loop; 22. a second loop; 23. a connecting body; 3. a sleeve; 31. an internal thread; 32. anti-skid lines; 4. a first elastic sheet; 6. a second elastic sheet; 61. bending sections; 62. a vertical section; 7. and a third seal.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 6, the high-tightness high-pressure pipe joint structure of the present embodiment includes a joint body 1 and a first sealing member 2, the joint body 1 includes a head end 11, the head end 11 is movably connected with a sleeve 3, an internal thread 31 is formed in the sleeve 3, and the joint is connected with a pipeline through the sleeve 3 and is connected through a threaded connection manner, so that the high-tightness high-pressure pipe joint structure is convenient and has good tightness;

the first annular groove 111 has been seted up to the lateral surface of head end 11, the second annular groove 112 has been seted up to the terminal surface of head end 11, communicate a plurality of spread grooves 113 between first annular groove 111 and the second annular groove 112, first sealing member 2 includes first ring 21, second ring 22 and a plurality of connector 23, connector 23 is used for connecting first ring 21 and second ring 22, first ring 21 imbeds in first annular groove 111, second ring 22 imbeds in the second annular groove 112, connector 23 imbeds in corresponding spread groove 113, first ring 21 offsets with the pipeline, form the seal between head end 11 and the pipeline, second ring 22 offsets with the medial surface of sleeve 3, form the leakproofness between head end 11 and the sleeve 3, wherein, connector 23 is used for connecting first ring 21 and second ring 22, make first ring 21 and second ring 22 form an organic wholely, during the installation, can not misplace, comparatively stable.

Referring to fig. 5 and 6, the tail of the head end 11 is integrally formed with a plurality of first elastic pieces 4, a third annular groove 114 is formed between the plurality of first elastic pieces 4 and the head end 11, a second sealing element is embedded in the third annular groove 114, and wraps the plurality of first elastic pieces 4, wherein the cross section of the second sealing element is in a U shape, one end of the second sealing element extends into the third annular groove 114, the other end of the second sealing element is located at the outer side of the first elastic piece 4, after the sleeve 3 is in threaded connection with a pipeline, the part of the second sealing element located at the outer side of the first elastic piece 4 abuts against the sleeve 3 to form a seal, the part of the second sealing element located in the third annular groove 114 is clamped by the first elastic piece 4, the first elastic piece 4 deforms, and the second sealing element and the sleeve 3 are better in adhesion degree due to the restoring force of the first elastic piece 4, so that the sealing performance is better, and no water leakage condition occurs when high-pressure water flows into the joint body 1.

The materials of the first seal member 2 and the second seal member are rubber, or may be silica gel, and the material of the third seal member 7 is the same as that of the first seal member 2, most commonly: the first ring 21 and the second ring 22 are O-rings.

Referring to fig. 5, the first elastic pieces 4 are uniformly distributed along the central axis circumference of the sleeve 3, increasing the stability of deformation of the first elastic pieces 4, and making the degree of deformation of each first elastic piece 4 uniform.

Referring to fig. 1, the outer side surface of the sleeve 3 is provided with anti-slip patterns 32, and the anti-slip patterns 32 increase the friction force outside the sleeve 3, so that a worker can conveniently rotate the sleeve 3 to be in threaded connection with a pipeline.

Referring to fig. 1 and 2, the joint body 1 includes a tail end 12, an external thread is provided on an outer side surface of the tail end 12, and the joint body is in threaded connection with another pipeline through the external thread;

the joint body 1 further comprises a connecting section through which the head end 11 and the tail end 12 are connected.

Referring to fig. 4, a plurality of second elastic pieces 6 are integrally formed on one side of the tail end 12, which is away from the head end 11, a fourth annular groove 121 is formed between the plurality of second elastic pieces 6 and the tail end 12, a third sealing element 7 is embedded in the fourth annular groove 121, the third sealing element 7 wraps the plurality of second elastic pieces 6, wherein the cross section of the third sealing element 7 is in a U shape, one end of the third sealing element extends into the fourth annular groove 121, the other end of the third sealing element is positioned on the outer side of the second elastic piece 6, when the pipeline is in threaded connection with the tail end, the pipeline abuts against the third sealing element 7, the second elastic piece 6 deforms, the second elastic piece 6 is extruded towards one side of the tail end 12, and the tightness between the third sealing element 7 and the pipeline is increased by virtue of restoring force of the second elastic piece 6, so that the tightness between the pipeline and the tail end 12 is improved.

The second elastic pieces 6 are uniformly distributed along the central axis of the tail end 12 in the circumferential direction, so that the deformation degree of each second elastic piece 6 is uniform.

Referring to fig. 2 and 3, the second elastic sheet 6 includes a bending section 61 and a vertical section 62, where the vertical section 62 and the tail end 12 are integrally formed, the bending section 61 and the vertical section 62 are integrally formed, the bending section 61 is bent towards the side away from the tail end 12, and the bending section 61 is configured so that the second elastic sheet 6 is deformed, so that the force against the third sealing element 7 is increased, and the sealing performance is further improved.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. High leakproofness high-pressure pipe joint structure, its characterized in that: including joint body (1) and first sealing member (2), joint body (1) includes head end (11), head end (11) swing joint has sleeve (3), be formed with internal thread (31) in sleeve (3), first annular (111) have been seted up to head end (11) lateral surface, second annular (112) have been seted up to the terminal surface of head end (11), first annular (111) with communicate between second annular (112) have a plurality of spread grooves (113), first sealing member (2) include first ring (21), second ring (22) and a plurality of connector (23), connector (23) are used for connecting first ring (21) with second ring (22), first ring (21) embedding in first annular (111), second ring (22) second afterbody (112) are interior, connector (23) embedding corresponds in spread groove (113), first annular (114) are formed to first sealing member (4) and a plurality of first annular (114) are gone into one-piece, first sealing member (4) are formed between first sealing member (114), the second seal wraps around a plurality of the first elastic pieces (4).

2. The high-tightness high-pressure pipe joint structure according to claim 1, wherein: the materials of the first sealing piece (2) and the second sealing piece are rubber.

3. The high-tightness high-pressure pipe joint structure according to claim 1, wherein: the first elastic sheets (4) are uniformly distributed along the circumferential direction of the central axis of the sleeve (3).

4. The high-tightness high-pressure pipe joint structure according to claim 1, wherein: the outer side surface of the sleeve (3) is provided with anti-skid patterns (32).

5. The high-tightness high-pressure pipe joint structure according to claim 1, wherein: the connector body (1) comprises a tail end (12), and an external thread (122) is arranged on the outer side face of the tail end (12).

6. The high-tightness high-pressure pipe joint structure according to claim 5, wherein: one side of the tail end (12) deviating from the head end (11) is integrally formed with a plurality of second elastic pieces (6), a plurality of second elastic pieces (6) and a fourth annular groove (121) are formed between the tail end (12), a third sealing piece (7) is embedded in the fourth annular groove (121), and the third sealing piece (7) wraps the second elastic pieces (6).

7. The high-tightness high-pressure pipe joint structure according to claim 6, wherein: the second elastic sheets (6) are uniformly distributed along the circumferential direction of the central axis of the tail end (12).

8. The high-tightness high-pressure pipe joint structure according to claim 6, wherein: the second elastic sheet (6) comprises a bending section (61) and a vertical section (62), the bending section (61) and the vertical section (62) are integrally formed, and the bending section (61) bends towards one side away from the tail end (12).