CN213089032U

CN213089032U - High leakproofness aluminium system union coupling

Info

Publication number: CN213089032U
Application number: CN202021595133.5U
Authority: CN
Inventors: 袁永杰
Original assignee: Dongguan Vafine Fluid Technology Co ltd
Current assignee: Dongguan Vafine Fluid Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-30
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a high-tightness aluminum pipe joint, which comprises a first pipe body, a second pipe body and a second sealing ring, and is characterized in that an external thread is arranged on the outer side of one end of the first pipe body, a second groove is arranged on the interlayer of one end of the first pipe body, the inner wall of the second groove is fixedly connected with one end of the first sealing ring, a first groove is arranged on one end of the first pipe body, the outer side of one end of the second pipe body is fixedly connected with the inner side of a limit lug, a fixing knob is arranged on the top end of the limit lug, an internal thread is arranged at one end inside the fixing knob, the other side of the fixing knob is movably connected with the outer side of the second pipe body, a third groove is arranged on one end of the second pipe body, the inner wall of the third groove is fixedly connected with one end of the second sealing ring, a fourth groove is arranged at the bottom end of the second, the other end of the spring is fixedly connected with one end of the inner tube body. The utility model discloses simple structure, convenient operation.

Description

High leakproofness aluminium system union coupling

Technical Field

The utility model relates to an aluminium system coupling technical field particularly, relates to a high leakproofness aluminium system coupling.

Background

Pipe joints are pipe-to-pipe connection tools and play an essential role in pipe fittings. Conventional sealed pipe joints are generally of three types: welded pipe joints, ferrule-type pipe joints, and flared pipe joints. Among them, the welded pipe joint requires high welding quality and is inconvenient to assemble and disassemble; the cutting sleeve type pipe joint has high requirement on the dimensional accuracy of the pipeline, a cold-drawn steel pipe is required, the cutting sleeve accuracy and the smoothness of a sealing surface have high requirement, and the control requirement on the tightening torque is high. The traditional flared pipe joint has poor sealing reliability, and the flaring angle of a pipeline matched with the joint is large due to the large conical surface angle (usually 74 degrees) of the joint body, so that the requirement on the material of the pipeline is high, a thin-wall pipe needs to be used, and the requirement on the fineness of the inner wall of the pipeline is high, so that the requirement on the processing technology of the pipeline is high, and the processing difficulty and the production cost are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness aluminium system coupling to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-sealing aluminum pipe joint comprises a first pipe body, a second pipe body and a second sealing ring, and is characterized in that external threads are installed on the outer side of one end of the first pipe body, a second groove is formed in an interlayer of one end of the first pipe body, the inner wall of the second groove is fixedly connected with one end of the first sealing ring, a first groove is formed in one end of the first pipe body, the outer side of one end of the second pipe body is fixedly connected with the inner side of a limiting lug, a fixing knob is installed at the top end of the limiting lug, an internal thread is installed at one end inside the fixing knob, the other side of the fixing knob is movably connected with the outer side of the second pipe body, a third groove is installed at one end of the second pipe body, the inner wall of the third groove is fixedly connected with one end of the second sealing ring, a fourth groove is installed at the bottom end of the second sealing ring, and the bottom end of the inner wall of the fourth, the other end of the spring is fixedly connected with one end of the inner pipe body, and the inner wall of the second pipe body is fixedly connected with the outer side of the anti-corrosion inner ring.

Furthermore, the top end of the fixed knob is provided with anti-skid grains.

Furthermore, the shape and the size of the internal thread are embedded with those of the external thread.

Furthermore, the first groove is embedded with the other end of the second sealing ring.

Furthermore, the second groove is connected with the other end of the inner tube body in a embedding manner.

Furthermore, an anti-corrosion inner ring is also arranged on the inner wall of the first pipe body.

Furthermore, the other end of the inner tube body is tightly attached to the other end of the first sealing ring.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an interior body lets interconnect intercommunication between the body, and interior body extends under the effect of spring and is connected with second recess inner wall gomphosis, has increased the gas tightness because of first sealing washer simultaneously. The fixed knob is in threaded connection with the first pipe body, and a second sealing ring is installed between the pipe bodies and used as a gasket to increase the sealing performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall cross-sectional view of a high-sealability aluminum pipe joint;

fig. 2 is a cross-sectional view of a second body of a high-sealability aluminum pipe joint.

Reference numerals:

1. a first groove; 2. a first seal ring; 3. a first pipe body; 4. an inner tube body; 5. a second groove; 6. A third groove; 7. an external thread; 8. an internal thread; 9. a limiting bump; 10. a second seal ring; 11. fixing the knob; 12. a second tube body; 13. a spring; 14. a fourth groove; 15. and (5) corrosion prevention of the inner ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a high-sealing aluminum pipe joint according to an embodiment of the present invention includes a first pipe 3, a second pipe 12 and a second sealing ring 10, wherein an outer thread 7 is installed on an outer side of one end of the first pipe 3, a second groove 5 is installed on an interlayer of one end of the first pipe 3, an inner wall of the second groove 5 is fixedly connected to one end of the first sealing ring 2, a first groove 1 is installed on one end of the first pipe 3, an outer side of one end of the second pipe 12 is fixedly connected to an inner side of a limiting projection 9, a fixing knob 11 is installed on a top end of the limiting projection 9, an inner thread 8 is installed on an inner end of the fixing knob 11, an opposite side of the fixing knob 11 is movably connected to an outer side of the second pipe 12, a third groove 6 is installed on one end of the second pipe 12, an inner wall of the third groove 6 is fixedly connected to one end of the second sealing ring 10, a fourth groove 14 is installed at the bottom end of the second sealing ring 10, the bottom end of the inner wall of the fourth groove 14 is fixedly connected with one end of a spring 13, the other end of the spring 13 is fixedly connected with one end of the inner pipe body 4, and the inner wall of the second pipe body 12 is fixedly connected with the outer side of the anti-corrosion inner ring 15.

Through the above technical scheme of the utility model, the top of fixed knob 11 is equipped with anti-skidding texture, internal thread 8 and 7 shapes of external screw thread and big or small gomphosis, the other end gomphosis of first recess 1 and second sealing washer 10, second recess 5 is connected with the other end gomphosis of interior body 4, anticorrosion inner circle 15 is installed equally to the inner wall of first body 3, the other end of interior body 4 closely laminates with the other end of first sealing washer 2.

The working principle is as follows: the inner pipe body 4 is inserted by aligning with the second groove 5, meanwhile, the fixing knob 11 is in threaded connection with the external thread 7 on the outer side of the first pipe body 3 until the second sealing ring 10 is attached to the first groove 1, and the inner pipe body 4 is attached to the first sealing ring 2 under the action of the spring.

In summary, the following steps: the utility model discloses an interior body lets interconnect intercommunication between the body, and interior body extends under the effect of spring and is connected with second recess inner wall gomphosis, has increased the gas tightness because of first sealing washer simultaneously. The fixed knob is in threaded connection with the first pipe body, and a second sealing ring is installed between the pipe bodies and used as a gasket to increase the sealing performance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-sealing-performance aluminum pipe joint comprises a first pipe body (3), a second pipe body (12) and a second sealing ring (10), and is characterized in that an external thread (7) is installed on the outer side of one end of the first pipe body (3), a second groove (5) is formed in an interlayer of one end of the first pipe body (3), the inner wall of the second groove (5) is fixedly connected with one end of the first sealing ring (2), a first groove (1) is formed in one end of the first pipe body (3), the outer side of one end of the second pipe body (12) is fixedly connected with the inner side of a limiting lug (9), a fixing knob (11) is installed at the top end of the limiting lug (9), an internal thread (8) is installed at one end inside the fixing knob (11), the other side of the fixing knob (11) is movably connected with the outer side of the second pipe body (12), a third groove (6) is installed at one end of the second pipe body (12), the inner wall of the third groove (6) is fixedly connected with one end of a second sealing ring (10), a fourth groove (14) is installed at the bottom end of the second sealing ring (10), the bottom end of the inner wall of the fourth groove (14) is fixedly connected with one end of a spring (13), the other end of the spring (13) is fixedly connected with one end of an inner pipe body (4), and the inner wall of the second pipe body (12) is fixedly connected with the outer side of an anti-corrosion inner ring (15).

2. The aluminum pipe joint with high sealability as claimed in claim 1, wherein the top end of the fixing knob (11) is provided with anti-slip texture.

3. The aluminum pipe joint with high sealability as claimed in claim 1, wherein the internal thread (8) is fitted with the external thread (7) in shape and size.

4. The high-sealability aluminum pipe joint according to claim 1, wherein the first groove (1) is fitted with the other end of the second gasket (10).

5. The high-sealability aluminum pipe joint according to claim 1, wherein the second groove (5) is connected with the other end of the inner pipe body (4) in a fitting manner.

6. A high-sealability aluminum pipe joint according to claim 1, wherein the inner wall of the first pipe body (3) is also fitted with an anti-corrosion inner ring (15).

7. The high-sealability aluminum pipe joint according to claim 1, wherein the other end of the inner pipe body (4) is tightly attached to the other end of the first sealing ring (2).