CN209164851U - a quick connector - Google Patents

Abstract

The utility model discloses a quick connector. The quick connector includes a male housing and a female housing. The male housing has a double-ended internal and external thread, and the male housing and the female housing respectively have a second housing. a communication channel and a second communication channel; a male-female connector, the male-female connector is fixedly sleeved outside the female housing and is used to connect the male housing with a double-ended external thread; a fixed joint, on the fixed joint An elastic connector is provided, the fixed joint is connected with the double-ended internal thread of the male housing, the elastic connector extends into the first communication channel and extends to the middle of the first communication channel and the second communication channel, and the female connector. The housing is matched to control the connection or disconnection of the first communication channel and the second communication channel through the connection or separation of the male and female connectors and the male housing; the purpose of the utility model is to provide a quick connector, which aims to manufacture A quick connector with simple structure and good sealing performance can meet production requirements.

Description

a quick connector

technical field

The utility model belongs to the fluid conveying technology, in particular to a quick connector.

Background technique

Quick connector is a kind of pipe joint that does not require tools and can be quickly disassembled and assembled. This kind of pipe joint is widely used in hydraulic, pneumatic and fluid transportation pipeline systems, especially in pipelines that need frequent disassembly and assembly. In the existing quick joint, after the medium in the pipeline is cut off, the pressure fluid inside the joint is easy to leak, and the sealing performance is poor. At the same time, the structure of the quick joint is complicated and the manufacturing cost is high, which cannot meet its production requirements.

Utility model content

The purpose of the present utility model is to solve the above problems and provide a quick connector, which aims to manufacture a quick connector with a simple structure and good sealing performance, so as to meet the production requirements.

In order to achieve the above purpose, the technical solution adopted by the present utility model is that the quick connector comprises:

a male head casing and a female head casing, the male head casing has a double-ended inner and outer thread, and the male head casing and the female head casing have a first communication channel and a second communication channel respectively;

a male-female connector, the male-female connector is fixedly sleeved on the outside of the female housing, and is used for connecting the double-ended external thread of the male housing;

A fixed joint, an elastic connector is arranged on the fixed joint, the fixed joint is connected with the double-ended internal thread of the male housing, and the elastic connector extends into the first communication channel and extends to the first communication channel and the second communication channel. The middle part of the communication channel is matched with the female housing, and the connection or disconnection of the first communication channel and the second communication channel is controlled through the connection or separation of the male and female connectors with the male housing.

Further, the end of the female head housing is provided with a push closure device with a structure similar to that of the female head housing, the push closure device is symmetrically arranged with the female head housing, and has a stop position on it. An annular groove is formed on the shaft wall of the stop part, and a sealing ring is installed on the annular groove.

Further, the elastic connector is composed of a central shaft, a female intermediate connector arranged at the end of the central shaft and sealingly matched with the stop part, and a female intermediate connector sleeved outside the central shaft and abutting between the fixed joint and the stop part. The second spring is composed of the central shaft, and the central shaft is integrated with the fixed joint through the connecting rod.

Further, the female intermediate connector is composed of two sealing cones symmetrically connected to each other, at least one annular groove is formed on the shaft wall of the sealing cone, and a sealing ring is arranged on the annular groove, Seal the sealing cone with the stop part.

Further, the end of the female housing has an internal thread that is threadedly connected with the joint.

Further, the joint is a tower joint, and a first spring is arranged between the end surface and the sealing cone.

Further, the fixed joint is a double-ended inner and outer thread.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the quick connector controls the opening and closing of the pipeline by rotating the male and female connectors, and the use is light and flexible. leak, to ensure the tightness of the pipe joint.

Description of drawings

FIG. 1 is a schematic cross-sectional structural diagram of a quick connector in an on state.

FIG. 2 is a schematic cross-sectional structural diagram of the quick connector in a cut-off state.

Figure 3 is a schematic side view of the structure of the fixed joint.

The text in the figure is marked as: 1. Male housing; 2. Male and female connector; 3. Female housing; 4. Joint; 5. Female intermediate connector; 6. Center shaft; 7. Fixed joint; 8. push closure; 9. first communication channel; 10, second communication channel; 11, opening; 12, sealing ring; 13, connecting rod; 14, first spring; 15, second spring; 16 , elastic connector; 50, sealing cone; 301, stop part; 501, annular groove.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any protection scope of the present invention. restrictive effect.

As shown in Fig. 1-Fig. 3, the utility model provides a quick connector for connecting two pipelines and controlling the on and off of the fluid medium of the two pipelines. The specific structure is as follows: the quick connector includes:

A male housing 1 and a female housing 3, the male housing 1 has a double-ended internal and external thread, and the male housing 1 and the female housing 3 have a first communication channel 9 and a second communication channel respectively. 10;

A male and female connector 2, the male and female connector 2 is fixedly sleeved outside the female housing 3, and is used to connect the double-ended external thread of the male housing 1;

The fixed joint 7 is provided with an elastic connector 16, the fixed joint 7 is connected with the double-ended internal thread of the male housing 1, and the elastic connector 16 extends into the first communication channel 10 and extends to When the middle parts of the first communication channel 10 and the second communication channel 11 are matched with the female housing 3, the male and female connectors 2 are threadedly connected to the male housing 1 to cut off the conduction of the fluid, or make the male and female connectors 2. The connector 2 is separated from the male housing 1, and the elastic connector 16 is pushed out of the female housing 3 by the elastic force of the elastic connector 16 to make it in a conducting state.

As a preferred option of the above-mentioned female housing 3, a pusher 8 similar in structure to the female housing 3 is provided at the end of the female housing 3, and the pusher 8 is symmetrically arranged with the female housing 3 , increase the sealing area with the elastic connector 16, and both the pusher closure 8 and the female housing 3 have a stop part 301, an annular groove 501 is set on the shaft wall of the stop part 301, and the sealing ring 12 is sleeved on the annular groove 501 to improve the sealing effect.

As a preferred option of the above-mentioned elastic connector 16, the elastic connector 16 consists of a central shaft 6, a female intermediate connector 5 disposed at the end of the central shaft 6 and sealingly fitted with the stop part 301, and a female intermediate connector 5 sleeved outside the central shaft 6, The second spring 15 abutting against the fixed joint 7 and the stop part 301 is formed. The central shaft 6 is connected with the fixed joint 7 through the connecting rod 13 as a whole, and the elastic force of the second spring 15 is used to push and push the closure. 8, the stop part 301 of the female housing 3 and the push closure 8 is matched with the female intermediate connector 5, so that the first communication channel 9 and the second communication channel 10 are cut off, as shown in the accompanying drawings. As shown in FIG. 2, in order to improve the sealing effect of this part, the female intermediate connector 5 is designed as two sealing cones 50 that are symmetrically connected to each other, and a plurality of annular grooves 501 are provided on the shaft wall of the sealing cone 50, The sealing ring 12 is sheathed in the annular groove 501 to improve the sealing degree during the cutting process.

As the preferred method for connecting pipelines in the above technical solution, the end of the female housing 3 is designed as an internal thread, which is threadedly connected to the joint 4, which is convenient for quick replacement of the joint 4 and connection of different pipelines, such as hoses or hard pipes , when connecting the hose, the joint 4 is replaced with a tower joint, and the first spring 14 can be set between the end face of the joint 4 and the sealing cone 50 to ensure the amount of push of the closure 8 and the female shell 3 , to achieve alignment.

As a preferred option of the above technical solution, the fixed joint 7 is a double-ended internal and external thread.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only which elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus.

The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention. The above are only the preferred embodiments of the present utility model. It should be pointed out that, due to the limited expression of words, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principles of the present utility model. Under the premise, several improvements, modifications or changes can also be made, and the above-mentioned technical features can also be combined in an appropriate manner; these improvements, modifications or combinations, or the ideas and technical solutions of the utility model are directly applied without improvement. In other occasions, all should be regarded as the protection scope of the present invention.

Claims (7)

1. a quick connector is characterized in that, described quick connector comprises: A male head casing (1) and a female head casing (3), the male head casing (1) has a double-ended inner and outer thread, and the male head casing (1) and the female head casing (3) are respectively provided with internal and external threads. a first communication channel (9) and a second communication channel (10); a male-female connector (2), the male-female connector (2) is fixedly sleeved outside the female housing (3), and is used for connecting the double-ended external thread of the male housing (1); A fixed joint (7), an elastic connector (16) is provided on the fixed joint (7), the fixed joint (7) is connected with the double-ended internal thread of the male housing (1), and the elastic connector ( 16) Extend into the first communication channel (9) and extend to the middle of the first communication channel (9) and the second communication channel (10), cooperate with the female housing (3), and pass through the male and female connectors (2) The connection or separation with the male housing (1) controls the opening and closing of the first communication channel (9) and the second communication channel (10). 2. A quick connector according to claim 1, characterized in that the end of the female housing (3) is provided with a push closure (8) similar in structure to the female housing (3), The push closure (8) is symmetrically arranged with the female head housing (3), and has a stop part (301) on it, and an annular groove (501) is opened on the shaft wall of the stop part (301). ), a sealing ring (12) is installed on the annular groove (501). 3. A quick connector according to claim 2, characterized in that the elastic connector (16) consists of a central shaft (6), an end portion of the central shaft (6), and a stop portion (301) A female intermediate connector (5) that is sealed and matched and a second spring (15) sleeved outside the central shaft (6) and abutting between the fixed joint (7) and the stop part (301) is composed. The central shaft (6) is integrated with the fixed joint (7) through the connecting rod (13). 4. A quick connector according to claim 3, characterized in that, the female intermediate connector (5) is composed of two sealing cones (50) symmetrically connected to each other, and the sealing cones (50) ) is provided with at least one annular groove (501) on the shaft wall, and the annular groove (501) is provided with a sealing ring (12), so that the sealing cone (50) and the stop part (301) are sealingly matched. 5 . The quick connector according to claim 1 , wherein the end of the female housing ( 3 ) has an internal thread that is threadedly connected with the connector ( 4 ). 6 . 6 . The quick connector according to claim 5 , wherein the connector ( 4 ) is a tower-type connector, and a first spring ( 14 ) is arranged between the end surface and the sealing cone ( 50 ). 7 . 7 . The quick connector according to claim 1 , wherein the fixed connector ( 7 ) is a double-ended inner and outer thread. 8 .