CN220337690U

CN220337690U - Welded pipeline quick connector

Info

Publication number: CN220337690U
Application number: CN202321976012.9U
Authority: CN
Inventors: 卢文荣; 黄亮亮
Original assignee: TAIZHOU CHANGLI RESIN TUBE CO Ltd
Current assignee: TAIZHOU CHANGLI RESIN TUBE CO Ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-12
Anticipated expiration: 2033-07-26

Abstract

The utility model provides a welded pipeline quick connector which comprises a shell, wherein an inner ring at the rear end of the shell is provided with an inner clamping groove, a locking spring is arranged at the inner clamping groove, a cavity is arranged in the middle of the shell, a safety ring, a first O-shaped ring, a separation ring and a second O-shaped ring are sequentially arranged in the cavity from the rear end to the front end, a third O-shaped ring groove is formed in the inner ring at the front end of the shell, a third O-shaped ring is arranged in the third O-shaped ring groove, and a retainer ring is arranged at the front end of the shell. On one hand, the utility model can improve the production assembly efficiency, so that the assembly connection of the hydraulic pipeline can be completed more quickly and conveniently; on the other hand, the O-shaped ring is additionally arranged at the tail part of the welding hole of the welding type quick connector, so that the problem that the welding quality affects the performance of a product is solved, and the sealing performance can be ensured through the O-shaped ring at the tail end even if the welding hole and the welding part of the hose leak.

Description

Welded pipeline quick connector

Technical Field

The utility model relates to the field of hydraulic pipelines, in particular to a welded pipeline quick connector.

Background

The connection mode that the automobile pipeline originally used is 24 degrees awl seal screw thread connection, must make it reach sealed effect through fastening screw thread when the assembly is connected, and shortcoming screw thread fastening is a process that wastes time and energy, influences the production efficiency of whole car assembly. Meanwhile, the threaded connection mode is inconvenient because the threaded connection mode can be limited by the use environment and space. Therefore, various forms of quick connectors are evolved, the problem of assembly space limitation is solved, and meanwhile, the efficiency of whole vehicle assembly is improved.

Welding type quick plug-in that uses in the existing market just inserts the hose just in the welding hole position of quick connector, then welds joint and body through laser and realize the sealing performance of hose and quick connector cooperation department, but welded quality can produce the influence to the performance of product, just has leakage risk when the insufficient welding of product circumference.

Disclosure of Invention

The utility model aims to: the utility model aims to solve the technical problem of providing a welded pipeline quick connector aiming at the defects of the prior art.

In order to solve the technical problems, the utility model provides a welded pipeline quick connector which comprises a shell, wherein an inner clamping groove is formed in an inner ring at the rear end of the shell, a locking spring is arranged at the inner clamping groove, a cavity is formed in the middle of the shell, a safety ring, a first O-shaped ring, a spacer ring and a second O-shaped ring are sequentially arranged in the cavity from the rear end to the front end, a third O-shaped ring groove is formed in an inner ring at the front end of the shell, a third O-shaped ring is arranged in the third O-shaped ring groove, and a retainer ring is arranged at the front end of the shell.

In the utility model, a first limiting part and a second limiting part are respectively arranged at two ends of the cavity, the rear end of the safety ring is abutted against the first limiting part, and the front end of the second O-shaped ring is abutted against the second limiting part.

According to the utility model, the safety ring, the first O-shaped ring, the isolation ring and the second O-shaped ring are sequentially abutted, so that the stability of the first O-shaped ring, the isolation ring and the second O-shaped ring is improved, and the sealing effect is ensured.

In the utility model, the inner wall of the shell at the rear end of the third O-shaped ring groove is a welding part.

In the utility model, the front end of the third O-shaped ring is abutted against the check ring, and the rear end is abutted against the rear wall of the third O-shaped ring groove of the shell, so that the sealing effect is ensured.

In the utility model, the check ring is an external check ring, the outer ring of the front end of the shell is provided with an outer clamping groove, the front end of the check ring is clamped at the front end of the third O-shaped ring groove, and the rear end of the check ring is clamped in the outer clamping groove.

In the utility model, the check ring is a built-in check ring, and the inner wall of the front end of the third O-shaped ring groove is provided with a check ring clamping groove, and the check ring is clamped in the check ring clamping groove.

The beneficial effects are that: on one hand, the utility model can improve the production assembly efficiency, so that the assembly connection of the hydraulic pipeline can be completed more quickly and conveniently; on the other hand, the O-shaped ring is additionally arranged at the tail part of the welding hole of the welding type quick connector, so that the problem that the welding quality affects the performance of a product is solved, and the sealing performance can be ensured through the O-shaped ring at the tail end even if the welding hole and the welding part of the hose leak.

Drawings

The foregoing and other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.

FIG. 1 is a schematic overall cross-sectional view of example 1;

FIG. 2 is a schematic cross-sectional view of the housing of example 1;

FIG. 3 is a schematic overall cross-sectional view of example 2;

fig. 4 is a schematic cross-sectional view of the housing of example 2.

Reference numerals in the drawings: 1. the device comprises a shell, 2, a retainer ring, 3, a lock spring, 4, a safety ring, 5, a spacer ring, 6, a first O-shaped ring, 7, a second O-shaped ring, 8, a third O-shaped ring, 11, an inner clamping groove, 12, a cavity, 13, a welding part, 14, a third O-shaped ring groove, 15 and an outer clamping groove.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 and fig. 2, this embodiment provides a welded pipeline quick connector, which comprises a housing 1, 1 rear end inner circle is equipped with interior draw-in groove 11, and interior draw-in groove 11 department sets up locking spring 3, 1 middle part is equipped with cavity 12, sets gradually safety ring 4, first O type circle 6, isolating ring 5 and second O type circle 7 from the rear end to the front end in cavity 12, 1 front end inner circle is equipped with third O type circle groove 14, sets up third O type circle 8 in the third O type circle groove 14, and 1 front end is equipped with retaining ring 2. The two ends of the cavity 12 are respectively provided with a first limiting part 12a and a second limiting part 12b, the rear end of the safety ring 4 is abutted against the first limiting part, and the front end of the second O-shaped ring 7 is abutted against the second limiting part. The safety ring 4, the first O-ring 6, the spacer ring 5 and the second O-ring 7 are in contact with each other in this order. The inner wall of the rear end shell of the third O-ring groove 14 is a welding part 13. The front end of the third O-ring 8 is abutted against the retainer ring, and the rear end is abutted against the rear wall of the third O-ring groove 14 of the shell. The retaining ring is external retaining ring, the casing front end outer lane is equipped with outer draw-in groove, and retaining ring front end joint is at third O type circle groove 14 front end, and the retaining ring rear end joint is in outer draw-in groove.

The safety ring 4 is matched with the cavity 12 of the quick connector housing 1 through the limiting groove, so that the isolation ring 5, the first O-shaped ring 6 and the second O-shaped ring 7 are not easy to fall off.

In the assembly process of the embodiment, the third O-shaped ring 8 is placed in the third O-shaped ring groove 14 of the quick connector housing 1 provided with the lock spring 3, the safety ring 4, the isolation ring 5, the first O-shaped ring 6 and the second O-shaped ring 7, and the outer clamping groove 15 of the welding part of the quick connector housing 1 is clamped by the mounting retainer ring 2, so that the third O-shaped ring 8 is mounted in place and is not easy to fall off, the sealing performance of the welding type quick connector is ensured, and the service performance of a product is improved.

Example 2:

as shown in fig. 3 and 4, the difference between the present embodiment and embodiment 1 is that the retainer ring 2 is a built-in retainer ring, the inner wall of the front end of the third O-ring groove 14 is provided with a retainer ring clamping groove 16, and the retainer ring 2 is clamped in the retainer ring clamping groove 16.

The utility model provides a welded pipeline quick connector, and the method and the way for realizing the technical scheme are numerous, the above description is only a preferred embodiment of the utility model, and it should be pointed out that a plurality of improvements and modifications can be made to the person skilled in the art without departing from the principle of the utility model, and the improvements and modifications are also considered as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.

Claims

1. The utility model provides a welded pipeline quick connector, its characterized in that, including casing (1), casing (1) rear end inner circle is equipped with interior draw-in groove (11), and interior draw-in groove (11) department sets up locking spring (3), casing (1) middle part is equipped with cavity (12), sets gradually safety ring (4), first O type circle (6), isolating ring (5) and second O type circle (7) in cavity (12) from the rear end to the front end, casing (1) front end inner circle is equipped with third O type circle groove (14), sets up third O type circle (8) in third O type circle groove (14), and casing (1) front end is equipped with retaining ring (2).

2. The welded pipeline quick connector according to claim 1, wherein the two ends of the cavity (12) are respectively provided with a first limiting part (12 a) and a second limiting part (12 b), the rear end of the safety ring (4) is abutted against the first limiting part, and the front end of the second O-shaped ring (7) is abutted against the second limiting part.

3. The welded pipeline quick connector according to claim 1, wherein the safety ring (4), the first O-ring (6), the isolating ring (5) and the second O-ring (7) are sequentially abutted.

4. The welded pipeline quick connector according to claim 1, wherein the inner wall of the rear end shell of the third O-ring groove (14) is a welded part (13).

5. The welded pipeline quick connector according to claim 1, wherein the front end of the third O-ring (8) is abutted against the retainer ring, and the rear end is abutted against the rear wall of the third O-ring groove (14) of the shell.

6. The welded pipeline quick connector according to claim 1, wherein the retainer ring is an external retainer ring, an outer ring of the front end of the shell is provided with an outer clamping groove, the front end of the retainer ring is clamped at the front end of the third O-shaped ring groove (14), and the rear end of the retainer ring is clamped in the outer clamping groove.

7. The welded pipeline quick connector according to claim 1, wherein the retainer ring is a built-in retainer ring, a retainer ring clamping groove is formed in the inner wall of the front end of the third O-shaped ring groove (14), and the retainer ring (2) is clamped in the retainer ring clamping groove.