CN219388961U

CN219388961U - Low insertion force O-shaped ring and low insertion force pipeline joint

Info

Publication number: CN219388961U
Application number: CN202222409875.XU
Authority: CN
Inventors: 孙成雷; 杨军; 王加升
Original assignee: Suzhou Jiena Automobile Parts Co ltd
Current assignee: Suzhou Jiena Automobile Parts Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-07-21
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a low insertion force O-shaped ring and a low insertion force pipeline joint; the pipeline joint comprises a safety ring, a joint main body, a U-shaped clamp spring and an O-shaped ring; the O-shaped ring comprises an outer ring and an inner ring, the end parts of which are connected with each other and are integrally formed, and a V-shaped groove is formed between the outer ring and the inner ring; clamping grooves are symmetrically formed in the two radial sides of the female end of the connector main body, and the U-shaped clamp springs are correspondingly clamped into the clamping grooves in the two sides. When the male connector is inserted, the inner ring of the O-shaped ring approaches the outer ring under the extrusion of the male connector to narrow the V-shaped groove, so that the insertion resistance is reduced to realize quick assembly and improve the assembly efficiency; when liquid flows in the pipeline, the liquid fills the V-shaped groove of the O-shaped ring and extrudes the inner ring and the outer ring at two sides of the V-shaped groove, so that the O-shaped ring is tightly attached to the joint main body and the male joint to improve the sealing effect.

Description

Low insertion force O-shaped ring and low insertion force pipeline joint

Technical Field

The utility model relates to the technical field of automobile spare and accessory parts, in particular to a low insertion force O-shaped ring and a low insertion force pipeline joint.

Background

In the running process of the automobile, whether the combustion of an engine combustion chamber of the fuel oil automobile is continuous or the three-electric system of the new energy automobile and the high-speed friction among all parts can generate a large amount of heat, so that all parts are heated up quickly, if the heat is not taken away in time, the machine is damaged due to the fact that the temperature is too high, a cooling waterway is required to be connected to the automobile, and the heat is taken away by using flowing circulating water.

The Chinese patent with the application number of 202121460406.X discloses an automobile cooling waterway quick-mounting connector, which still adopts a conventional O-shaped ring with a circular section, and the O-shaped ring with the structure can generate larger insertion resistance when being actually used and inserted into a male connector, so that the assembly efficiency is affected due to the overlarge insertion resistance and the like of the conventional VDA connector, and the problem of poor tightness is caused due to the deformation of the O-shaped ring after assembly and the like.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a low insertion force O-shaped ring, which comprises an outer ring and an inner ring, wherein the end parts of the outer ring and the inner ring are connected with each other and are integrally formed, and a V-shaped groove is formed between the outer ring and the inner ring.

The utility model also provides a low insertion force pipeline connector, which comprises a safety ring, a connector main body, a U-shaped clamp spring and an O-shaped ring with the structure; clamping grooves are symmetrically formed in the two radial sides of the female end of the connector main body, and the U-shaped clamp springs are correspondingly clamped into the clamping grooves in the two sides;

the inner wall of the connector main body is provided with a limiting convex ring, the safety ring and the O-shaped ring are positioned between the limiting convex ring of the connector main body and the U-shaped clamp spring, and the O-shaped ring is positioned between the limiting convex ring of the connector main body and the safety ring.

One side of the limiting convex ring, which is contacted with the O-shaped ring, is in a plane shape, and the end part of the outer ring of the O-shaped ring is abutted against the plane side of the limiting convex ring.

Further, the outer ring of the safety ring is axially and symmetrically provided with wedge-shaped protruding blocks, the inner wall of the connector main body is provided with wedge-shaped grooves corresponding to the wedge-shaped protruding blocks, and after the safety ring is installed inside the connector main body, the wedge-shaped protruding blocks are clamped into the wedge-shaped grooves.

Further, the outer ring surface of the safety ring is further provided with axial arc-shaped protruding blocks at intervals, the outer end face of the safety ring is further provided with flanges corresponding to the wedge-shaped protruding blocks respectively, and the outer wall of the flange and the inner wall of the joint main body are provided with wedge-shaped gaps so as to be convenient to detach.

Furthermore, the outer surface of the connector main body is further provided with guide protruding blocks which are positioned at two sides of the axial direction of the clamping groove and correspond to the U-shaped clamping springs, so that the U-shaped clamping springs can be conveniently clamped into the clamping groove.

Furthermore, the inner wall of the connector main body is also axially provided with a foolproof guide groove corresponding to the wedge-shaped convex block so as to prevent the safety ring from being installed in a misplacement manner.

Through the technical scheme, the utility model has the following beneficial effects: when the male joint is inserted, the inner ring of the O-shaped ring approaches the outer ring under the extrusion of the male joint to narrow the V-shaped groove, so that the insertion resistance is reduced to realize quick assembly and improve the assembly efficiency; when liquid flows in the pipeline, the liquid fills the V-shaped groove of the O-shaped ring and extrudes the inner ring and the outer ring at two sides of the V-shaped groove, so that the O-shaped ring is tightly attached to the joint main body and the male joint to improve the sealing effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic cross-sectional view of a low insertion force O-ring in accordance with an embodiment of the present utility model;

FIG. 2 is an exploded view of a low insertion force pipeline joint according to an embodiment of the present utility model;

fig. 3 and 4 are schematic cross-sectional views of low insertion force pipeline joints according to embodiments of the present utility model.

The figures represent the numbers: 10. a safety ring; 11. wedge-shaped protruding blocks; 12. arc-shaped protruding blocks; 13. a flange; an o-ring; 21. an outer ring; 22. an inner ring; v-groove; 30. a joint body; 31. a clamping groove; 32. a guide projection; 33. fool-proof guide groove; 34. and a limit convex ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1:

referring to fig. 1, embodiment 1 provides a low insertion force O-ring, which includes an outer ring 21 and an inner ring 22 with end portions connected to each other and integrally formed, and a V-shaped groove 23 is formed between the outer ring 21 and the inner ring 22.

Example 2:

referring to fig. 2 to 4, embodiment 2 provides a low insertion force pipe joint comprising a safety ring 10, a joint body 30, a U-shaped snap spring, and an O-ring 20 of the structure of embodiment 1; clamping grooves 31 are symmetrically formed in the two radial sides of the female end of the connector main body 30, and the U-shaped clamp springs are correspondingly clamped into the clamping grooves 31 on the two sides; the inner wall of the connector main body 30 is provided with a limiting convex ring 34, the safety ring 10 and the O-shaped ring 20 are positioned between the limiting convex ring 34 and the U-shaped clamp spring of the connector main body 30, and the O-shaped ring 20 is positioned between the limiting convex ring 34 and the safety ring 10 of the connector main body 30; wedge-shaped lugs 11 are axially and symmetrically arranged on the outer ring of the safety ring 10, wedge-shaped grooves corresponding to the wedge-shaped lugs 11 are formed in the inner wall of the connector main body 30, and after the safety ring 10 is installed inside the connector main body 30, the wedge-shaped lugs 11 are clamped into the wedge-shaped grooves.

The working principle of this embodiment 2: when the male joint is inserted, the inner ring 22 of the O-shaped ring 20 approaches the outer ring 21 under the extrusion of the male joint to narrow the V-shaped groove 23, so that the insertion resistance is reduced to realize quick assembly and improve the assembly efficiency; when liquid flows in the pipeline, the liquid fills the V-shaped groove 23 of the O-shaped ring 20 and presses the inner ring 22 and the outer ring 21 at two sides of the V-shaped groove 23, so that the O-shaped ring 20 is tightly attached to the joint main body 30 and the male joint to improve the sealing effect.

Example 3:

based on embodiment 2 and referring to fig. 3, the side of the stopper flange 34 contacting the O-ring 20 is planar, and the end of the outer ring 21 of the O-ring 20 abuts against the planar side of the stopper flange 34.

In this embodiment 3, by designing the side of the limit collar 34 contacting the O-ring 20 to be planar, after the O-ring 20 is assembled, the end of the outer ring 21 of the O-ring 20 abuts against the planar side of the limit collar 34, which can effectively avoid that the conventional groove structure causes the outer ring 21 to be clamped into the groove to block the V-groove 23 and affect the approach of the inner ring 22 to the outer ring 21 when the male connector is inserted, i.e. the planar design is more beneficial to reducing the insertion resistance of the male connector to improve the assembly efficiency.

Example 4:

based on embodiment 2 and referring to fig. 2, the outer ring surface of the safety ring 10 is further provided with axial arc-shaped protrusions 12 at intervals, the axial outer end surface of the safety ring 10 is further provided with flanges 13 corresponding to the wedge-shaped protrusions 11, respectively, and the outer wall of the flanges 13 has a wedge-shaped gap with the inner wall of the joint body 30 to facilitate disassembly.

Embodiment 4 can increase the assembly fullness between the safety ring 10 and the joint main body 30 by the arrangement of the arc-shaped projections 12 to avoid mutual displacement in the operational vibration environment; upon removal, the wedge-shaped protrusions 11 are disengaged from the wedge-shaped grooves by pulling the flange 13 inwardly to facilitate removal of the safety ring 10 from the connector body 30.

Example 5:

based on embodiment 2 and referring to fig. 1, the outer surface of the connector main body 30 is further provided with guide protrusions 32 located at two sides of the clamping groove 31 in the axial direction and corresponding to the U-shaped clamping springs, so that the U-shaped clamping springs are clamped into the clamping groove 31.

Example 6:

based on embodiment 2 and referring to fig. 1, the inner wall of the joint body 30 is further axially provided with a foolproof guide groove 33 corresponding to the wedge-shaped projection 11 to prevent the safety ring 10 from being installed in a malposition.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The O-shaped ring with low insertion force is characterized by comprising an outer ring (21) and an inner ring (22) which are connected with each other at the end parts and are integrally formed, wherein a V-shaped groove (23) is formed between the outer ring (21) and the inner ring (22).

2. A low insertion force pipeline joint, characterized by comprising a safety ring (10), a joint body (30), a U-shaped snap spring, and an O-ring (20) according to claim 1; clamping grooves (31) are symmetrically formed in the two radial sides of the female end of the connector main body (30), and the U-shaped clamp springs are correspondingly clamped into the clamping grooves (31) on the two sides;

the inner wall of the connector main body (30) is provided with a limiting convex ring (34), the safety ring (10) and the O-shaped ring (20) are positioned between the limiting convex ring (34) of the connector main body (30) and the U-shaped clamp spring, and the O-shaped ring (20) is positioned between the limiting convex ring (34) of the connector main body (30) and the safety ring (10).

3. A low insertion force line connection according to claim 2, characterized in that the side of the limit collar (34) contacting the O-ring (20) is planar, the end of the outer ring (21) of the O-ring (20) abutting the planar side of the limit collar (34).

4. The low insertion force pipeline joint according to claim 2, wherein wedge-shaped lugs (11) are axially and symmetrically arranged on the outer ring of the safety ring (10), wedge-shaped grooves corresponding to the wedge-shaped lugs (11) are formed on the inner wall of the joint main body (30), and the wedge-shaped lugs (11) are clamped into the wedge-shaped grooves after the safety ring (10) is installed inside the joint main body (30).

5. The low insertion force pipeline joint according to claim 4, wherein the outer ring surface of the safety ring (10) is further provided with axial arc-shaped protruding blocks (12) at intervals, the axial outer end surface of the safety ring (10) is further provided with flanges (13) corresponding to the wedge-shaped protruding blocks (11) respectively, and the outer wall of the flanges (13) and the inner wall of the joint main body (30) have wedge-shaped gaps so as to facilitate disassembly.

6. A low insertion force line coupling according to claim 4, characterized in that the inner wall of the coupling body (30) is further axially provided with a foolproof guide groove (33) corresponding to the wedge-shaped projection (11) to prevent the safety ring (10) from being mounted misplaced.

7. A low insertion force line coupling according to claim 2, characterized in that the outer surface of the coupling body (30) is further provided with guide projections (32) on both sides in the axial direction of the clamping groove (31) and corresponding to the U-shaped clamping springs, so that the U-shaped clamping springs are clamped into the clamping groove (31).