CN209876250U

CN209876250U - Three-way quick connector for pipeline connection

Info

Publication number: CN209876250U
Application number: CN201920334717.8U
Authority: CN
Inventors: 董阿能; 郑志军; 杜玉仙
Original assignee: NINGBO CHINAUST AUTOMOBILE FITTINGS CO Ltd
Current assignee: NINGBO CHINAUST AUTOMOBILE FITTINGS CO Ltd
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2019-12-31
Anticipated expiration: 2029-03-15

Abstract

The utility model discloses a tee bend quick connector for tube coupling, its technical scheme main points include that three-way joint main part and welded fastening are in connect the last cylinder round pin of main part, be provided with the opening of intercommunication three-terminal in the joint main part, connect at least one port threaded connection of main part to have hollow bolt, the opening with it is greater than to be provided with the diameter between the hollow bolt the inside groove of opening diameter, the inside groove be provided with insert the seal ring of quick connector butt in the hollow bolt and be used for chucking quick connector's snap ring. The utility model has the advantages that the quick connector inserted into the hollow bolt is abutted against the sealing washer arranged in the inner groove, thereby achieving the effect of improving the connection sealing performance between the quick connector and the connector main body; and the quick-plugging connector is effectively fixed through the clamping ring, so that the phenomenon of leakage of the product in the use process is effectively avoided when the connection sealing performance of the product is improved, and the service life is prolonged.

Description

Three-way quick connector for pipeline connection

Technical Field

The utility model relates to a car tube coupling spare, more specifically says that it relates to a tee bend quick connector for tube coupling.

Background

The three-way pipe is a pipe joint with three openings, is widely used in pipe networks for conveying liquid and gas, and is made of various materials due to different conveying media. In an automobile engine, the tee pipe is mainly used as one of important components in an engine oil supply pipeline or a water supply pipeline.

Chinese patent No. CN203718233U discloses a three-way pipe, which is provided with a hollow bolt, one end of the hollow bolt is provided with a threaded end fixedly connected with a connected piece, the other end of the hollow bolt is provided with a first inner hole capable of being inserted into a fast-insertion oil pipe, the first inner hole is in clearance fit with a fast-insertion connector of the fast-insertion oil pipe, the middle position of the hollow bolt is provided with two round holes, the round hole position is provided with a pipe joint, the pipe joint is communicated with the hollow bolt through the round holes, the tail part of the pipe joint is provided with a second inner hole in clearance fit with the fast-insertion connector of the fast-insertion oil pipe, and the hollow bolt and the pipe joint are sealed through a sealing gasket.

But this three-way pipe is used for the first hole of the directly fixed oil pipe of inserting soon only through the one end that is provided with hollow bolt for this three-way pipe is connected the compactness when inserting oil pipe soon not enough, connects not enough fast and connects rapidly, influences hollow bolt and to inserting oil pipe's fast assembly and effective fixed soon, remains to improve.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a tee bend quick connector for tube coupling, this tee bend quick connector for tube coupling have connect closely and the excellent effect of sealing performance.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a tee bend quick connector for pipe connection, includes tee bend joint main part and welded fastening the cylinder round pin in the joint main part, be provided with the opening of intercommunication three-terminal in the joint main part, connect at least one port threaded connection of main part to have hollow bolt, the opening with be provided with the diameter between the hollow bolt and be greater than the inside groove of opening diameter, the inside groove be provided with insert the seal ring of the quick connector butt in the hollow bolt and be used for chucking quick connector's snap ring.

By adopting the technical scheme, when the three-way quick connector is connected with the quick connector inserted into the hollow bolt, the three-way quick connector is abutted against the sealing washer arranged in the inner groove, so that the effect of improving the connection sealing property between the quick connector and the connector main body is achieved; meanwhile, the snap ring clasps one end of the quick connector penetrating the snap ring, and the quick connector is effectively fixed, so that the connector main body is stable in connection with the quick connector, the phenomenon that the product leaks in the use process is effectively avoided when the sealing performance is improved, and the quick connector is convenient to install and has long service life.

The utility model discloses further set up to: the end of the joint main body and the hollow bolt are provided with a sealing ring groove therebetween, an O-shaped ring is arranged in the sealing ring groove, and the O-shaped ring is abutted against the joint main body and the hollow bolt.

Through adopting above-mentioned technical scheme, the O type circle that sets up and connect main part and hollow bolt butt joint main part and hollow bolt carries out effective sealing to the junction of joint main part and hollow bolt, ensures the leakproofness of product for the product is difficult to take place the problem of fluid leakage in the use.

The utility model discloses further set up to: and two sides of the clamping ring are respectively abutted with the sealing washer and the hollow bolt.

Through adopting above-mentioned technical scheme, will play fixed seal ring and snap ring with the snap ring setting between hollow bolt and seal ring, and then promote the snap ring to the effect of quick connector's fixed stability.

The utility model discloses further set up to: the clamping ring is elastic and comprises two opposite arc-shaped clamping arms and a connecting part for connecting one ends of the two clamping arms, and the middle part of the connecting part and the other ends of the clamping arms are abutted against the groove wall of the inner groove.

Through adopting above-mentioned technical scheme, connecting portion and the one end of card arm after the cell wall butt with the inside groove, pass between two card arms of snap ring when quick connector, and then make the middle part that has elastic card arm receive quick connector's extrusion force, take place to deform the back at the card arm and produce deformation restoring force, relative deformation restoring force through two card arms will play the effect of centre gripping quick connector, when reducing the fixed quick connector degree of difficulty of installation, promote quick connector and joint main part, hollow bolt's stability of being connected, good leakproofness is possessed, thereby effectively avoid taking place the phenomenon of fluid seepage.

The utility model discloses further set up to: the clamping arm is provided with a clamping angle which is outwards bent, and the clamping angle is abutted to the groove wall of the inner groove.

By adopting the technical scheme, the clamping arms are outwards bent and are abutted with the groove walls of the inner grooves to form effective support, and the clamping fixing force of the clamping arms to the corresponding quick-connection plug is improved.

The utility model discloses further set up to: and reinforcing ribs are arranged on the inner sides of the clamping arms.

Through adopting above-mentioned technical scheme, the strengthening rib plays the effect of strengthening the card arm, improves the card arm to the clamping efficiency of corresponding quick connector, prolongs the life of card arm.

The utility model discloses further set up to: one end of the reinforcing rib, which is close to the clamping angle, is provided with a limiting block which is bent inwards, and the limiting block is matched with the clamping angle.

By adopting the technical scheme, the limiting block can be used for limiting the clamping angle to further bend in the clamping ring and simultaneously forming effective butt with the quick-plugging connector after the quick-plugging connector is inserted, so that the aims of further improving the connection and fixation stability of the quick-plugging connector, and the sealing performance between the quick-plugging connector and the hollow bolt as well as between the quick-plugging connector and the connector main body are fulfilled.

The utility model discloses further set up to: the connecting part is arc-shaped.

By adopting the technical scheme, the arc-shaped connecting part can obviously improve the deformation capacity of the clamping arm, so that the purpose of further prolonging the service life of the clamping ring is achieved.

To sum up, the utility model discloses following beneficial effect has: through set up seal ring and snap ring in connecting this internal, show the leakproofness that promotes the product, effectively avoid product in use to produce the problem that the fluid was revealed, the commonality is strong, simple to operate and long service life.

Drawings

FIG. 1 is a schematic cross-sectional view of the present embodiment;

fig. 2 is a schematic structural view of the buckle of the present embodiment.

Description of reference numerals: 1. a connector body; 11. an inner tank; 12. a flow-through hole; 2. a hollow bolt; 3. a cylinder pin; 4. sealing the ring groove; 41. an O-shaped ring; 5. a sealing gasket; 6. a snap ring; 61. a clamp arm; 62. clamping a corner; 63. reinforcing ribs; 64. a limiting block; 65. a connecting portion.

Detailed Description

In order to make the technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, a three-way quick connector for pipeline connection comprises a connector body 1 provided with three ports and communicated with each other, and a cylinder pin 3 welded and fixed on one port of the connector body 1. A circulation hole 12 communicating with the three ports is provided in the joint main body 1, and a hollow bolt 2 is connected to at least one port of the joint main body 1 by a screw thread. In this embodiment, a hollow bolt 2 is threadedly connected to each of two ports of the joint body 1. An inner groove 11 having a diameter larger than that of the flow hole 12 is provided between the flow hole 12 and the hollow bolt 2. The inner groove 11 is provided with a sealing gasket 5 which is abutted against the quick connector inserted into the hollow bolt 2 and a clamping ring 6 for clamping and fixing the quick connector. Therefore, when the quick connector is inserted into the hollow bolt 2 of the corresponding connector main body 1, the quick connector is abutted against the sealing washer 5 arranged in the inner groove 11, so that the effect of improving the connection sealing performance between the quick connector and the connector main body 1 is achieved; meanwhile, the snap ring 6 passes through the one end of the quick connector of the snap ring 6 through holding tightly, and then the quick connector is effectively fixed, so that the connection of the connector main body 1 and the quick connector is stable, the phenomenon that the product leaks in the use process is effectively avoided when the sealing performance is improved, and the quick connector is convenient to install and has long service life.

As shown in fig. 1, a seal ring groove 4 is provided between the end of the joint main body 1 and the hollow bolt 2, and an O-ring 41 that abuts both the joint main body 1 and the hollow bolt 2 is provided in the seal ring groove 4. After the joint of the joint main body 1 and the hollow bolt 2 is effectively sealed by the O-shaped ring 41 which is abutted against the joint main body 1 and the hollow bolt 2, the sealing performance of a product is ensured, and the product is difficult to have the effect of fluid leakage in the using process.

It should be mentioned that the snap ring 6 abuts on both sides with the sealing washer 5 and the hollow bolt 2, respectively. Through setting up snap ring 6 will play fixed seal ring 5 and snap ring 6 between hollow bolt 2 and seal ring 5, and then promote the effect of snap ring 6 to the fixed stability of quick connector.

As shown in fig. 1 and 2, the snap ring 6 is a member having elasticity and including two opposing arc-shaped snap arms 61 and a connecting portion 65 connecting one ends of the two snap arms 61. The connecting portion 65 is arc-shaped, so that the arc-shaped connecting portion 65 can improve the deformation capability of the clamp arm 61, thereby prolonging the service life of the clamp ring 6. The middle part of connecting portion 65 and the other end of card arm 61 and the cell wall butt of inside groove 11, and then the one end of connecting portion 65 and card arm 61 with the cell wall butt of inside groove 11 after, when the quick connector passes between two card arms 61 of snap ring 6, will make the middle part that has elastic card arm 61 receive the extrusion force of quick connector, produce deformation restoring force after card arm 61 takes place to deform, will play the effect of centre gripping quick connector through the relative deformation restoring force of two card arms 61, when reducing the fixed quick connector degree of difficulty of installation, promote quick connector and joint main part 1, hollow bolt 2's stability of connection, possess good leakproofness, thereby effectively avoid taking place the phenomenon of fluid seepage. Meanwhile, the clamping arm 61 is provided with a clamping angle 62 which is bent outwards and is abutted with the groove wall of the inner groove 11, and the clamping arm 61 is effectively supported by the clamping angle 62 which is bent outwards and is abutted with the groove wall of the inner groove 11, so that the clamping fixing force of the clamping arm 61 on the corresponding quick connector is improved. In order to prolong the service life of the clamping arm 61, the reinforcing rib 63 is arranged on the inner side of the clamping arm 61, the reinforcing rib 63 plays a role in reinforcing the clamping arm 61, and the clamping effect of the clamping arm 61 on the corresponding quick connector is improved.

As shown in fig. 2, the end of the reinforcing rib 63 close to the corner clip 62 is provided with a limiting block 64 which is bent inwards, the limiting block 64 is matched with the corner clip 62, and further the limiting block 64 limits the corner clip 62 to be bent further into the snap ring 6, so that the quick connector inserted into the snap ring 6 is abutted against the limiting block 64, and the purpose of further improving the connection and fixation stability of the quick connector, the sealing performance between the quick connector and the hollow bolt 2 and the connector main body 1 is achieved.

The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiments, but all the cases belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention. It should be noted that modifications and decorations, which would occur to those skilled in the art without departing from the principle of the present invention, should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a tee bend quick connector for tube coupling, includes three-way joint main part (1) and welded fastening cylinder round pin (3) on joint main part (1), be provided with circulation hole (12) of intercommunication three-terminal in joint main part (1), its characterized in that: the connector is characterized in that at least one port of the connector main body (1) is in threaded connection with a hollow bolt (2), an inner groove (11) with the diameter larger than that of the circulation hole (12) is formed between the circulation hole (12) and the hollow bolt (2), and the inner groove (11) is provided with a sealing washer (5) which is abutted to a quick connector inserted into the hollow bolt (2) and a clamping ring (6) used for clamping the quick connector.

2. The three-way quick connector for pipeline connection of claim 1, wherein: the end of the connector main body (1) and be provided with between hollow bolt (2) sealing ring groove (4), be provided with O type circle (41) in sealing ring groove (4), O type circle (41) with connector main body (1) with hollow bolt (2) butt.

3. The three-way quick connector for pipeline connection of claim 1, wherein: and the two sides of the clamping ring (6) are respectively abutted with the sealing washer (5) and the hollow bolt (2).

4. The three-way quick connector for pipeline connection of claim 3, wherein: the clamping ring (6) is elastic and comprises two opposite arc-shaped clamping arms (61) and a connecting part (65) for connecting one ends of the two clamping arms (61), and the middle part of the connecting part (65) and the other ends of the clamping arms (61) are abutted against the wall of the inner groove (11).

5. The three-way quick connector for pipeline connection of claim 4, wherein: the clamping arm (61) is provided with a clamping angle (62) which is bent outwards, and the clamping angle (62) is abutted against the groove wall of the inner groove (11).

6. The three-way quick connector for pipeline connection of claim 5, wherein: and reinforcing ribs (63) are arranged on the inner sides of the clamping arms (61).

7. The three-way quick connector for pipeline connection of claim 6, wherein: one end, close to the clamping angle (62), of the reinforcing rib (63) is provided with a limiting block (64) which is bent inwards, and the limiting block (64) is matched with the clamping angle (62).

8. A three-way quick connector for pipe connections according to any one of claims 4 to 7, wherein: the connecting part (65) is arc-shaped.