CN207621554U - Multichannel quick coupling is combined - Google Patents

Abstract

The utility model provides a quick joint combination, which comprises a cross-shaped joint seat. The intersection of two joints of the cross-shaped joint seat is provided with a mounting hole for fixing the joint seat. The other three joint ends are connected to the first joint through sealing sleeves. The first sub-joint consists of a hollow pipe body. The inner cavity of the pipe is provided with a ring-shaped protrusion. The right end of the protrusion has a bevel. There is a U-shaped groove on the left end surface of the jack, and a spring is installed in the U-shaped groove. The other end of the spring is installed in the first U-shaped groove of the card cap. The inner part of the tube is an elastic claw. The second joint is sleeved on the outside of the first joint, and fixed with the first joint by tightening screws. There are multiple tightening screws, which are evenly distributed along the circumferential direction of the second sub-joint. The device can quickly realize the multi-way connection of rubber hoses of various specifications.

Description

Multi-way quick connector combination

technical field

The utility model relates to the technical field of hydraulic pipelines and accessories, in particular to a combination of multi-way quick joints.

Background technique

Hydraulic transmission is a kind of fluid transmission, which is a transmission method that uses liquid as a working medium to transmit energy and control. The hydraulic pump converts the mechanical energy of the prime mover into the pressure energy of the liquid, and transmits the energy through the change of the pressure energy of the liquid. Through the transmission of various control valves and pipelines, the pressure energy of the liquid is transferred by means of hydraulic actuators (hydraulic cylinders or motors). It is converted into mechanical energy to drive the working mechanism to realize linear reciprocating motion and rotary motion. As a hydraulic pipe joint connecting hydraulic components and pipelines, it plays a very important role in the hydraulic system. With the rapid development of science and technology, the rapid installation between pipe joints and hydraulic hoses is gradually replacing some traditional pipe joints with its high-speed installation efficiency and convenient installation process.

Since the current quick hydraulic joints are more common one-way, two-way and three-way pipe joints, but in the actual application process, due to the complexity of the pipeline, there are many pipes to be connected, which are not limited to one-way, two-way The three-way connection and the three-way connection may also involve the four-way connection, but if the four-way pipe joints are directly produced, the production cost will be greatly increased, and the four-way joints are not used for many purposes, and mass production will have the disadvantage of overcapacity. The use performance of this pipe joint is relatively single, and the scope of use is limited. Another situation encountered in the installation of the hydraulic station is that the existing multi-way joints are all for one pipe diameter specification, and the performance is relatively single, which cannot meet the requirements of simultaneous use of multiple pipe diameters.

Contents of the invention

Aiming at the deficiencies of the prior art, the utility model provides a combination of multi-way quick joints to solve the problem of flexible use when four-way joints or three-way joints are required in the hydraulic pipeline, and hydraulic pipes with various diameters can be used simultaneously. Problems with using one type of connector.

The multi-way quick connector combination includes a cross-shaped joint seat, the cross-shaped joint seat is a hollow cavity, and the four joint ends of the cross-shaped joint seat are connected with quick pipe joint components or plugs. The joint assembly includes sub-joints of at least two caliber specifications, the first sub-joint includes a hollow pipe body, an annular protrusion is arranged on the inner cavity of the pipe, the right end surface of the protrusion has a bevel, and the protrusion A U-shaped groove is arranged on the left end surface of the lifting device, and a spring is installed in the U-shaped groove, and the other end of the spring is installed in the first U-shaped groove of the cap, and the cap is set on the tube In the body, the part of the cap that extends into the body of the tube is an elastic claw, and the right end of the cap is in contact with the tube body. There is also a second U-shaped groove, and the opening of the second U-shaped groove corresponds to the protruding part of the tube body. The bevel of the U-shaped groove, the second U-shaped groove is equipped with an elastic rubber ring, and the outside of the pipe body is provided with an annular protrusion for positioning the second sub-joint; the second sub-joint is provided with a tightening screw.

Preferably, a sealing sleeve is provided at the connection between the cross-shaped joint seat and the joint assembly or the plug;

Preferably, the spring is a cylindrical compression spring;

Preferably, the elastic rubber ring is in the shape of a ring with a circular cross section;

Preferably, the section diameter of the elastic rubber ring is greater than the height of the second U-shaped groove;

Preferably, the free length of the spring is greater than the length of the space between the protrusion of the tube body and the U-shaped groove of the cap;

Preferably, the intersection of the two joints of the cross-shaped joint base is provided with a mounting hole for fixing the joint base;

Preferably, the inner diameter of the tube lumen of the second sub-joint is larger than the outer diameter of the first sub-joint;

Preferably, there are multiple jacking screws, which are evenly distributed along the circumferential direction of the second sub-joint;

Preferably, the inner diameter of the tube of the second sub-joint is smaller than the outer diameter of the sealing sleeve.

The beneficial effects obtained by the utility model are:

1. The four joint ends of the cross-shaped joint seat are connected with quick pipe joint components or plugs, which can flexibly realize the function of two-way connection, three-way connection or four-way connection.

2. The quick connector assembly is a combination of connectors with different inner cavity diameters, which can realize the simultaneous connection of hydraulic pipes with different diameters to the device, saving the cost of using connectors for various pipe diameters.

3. The device is equipped with mounting holes, which can be fixed on the hydraulic station to prevent shaking caused by transportation or internal impact of the pipe body and affect the service life of the pipe fittings.

4. The cross-shaped joint seat is a hollow body that communicates in four directions. When the quick joint or plug is unscrewed, it can be cleaned internally, which is convenient and time-saving.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present utility model. Those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is the assembly diagram when the multi-way quick connector combination is used as a three-way connector;

In the figure: 1-second sub-joint, 2-first sub-joint, 3-seal sleeve, 4-plug, 5-cross joint seat.

Detailed ways

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

In order to achieve the above object, the concrete technical scheme of the utility model is as follows:

The quick connector combination shown in Figure 1 includes a cross-shaped joint seat 5, the intersection of the two joints of the cross-shaped joint seat is provided with a mounting hole for fixing the joint seat, and a sealing sleeve 3 is passed through one of the joint ends of the cross-shaped joint seat It is connected with the plug 4, and the other three joint ends are connected with the first joint 2 through the sealing sleeve 3, the second joint 1 is set on the outside of the first joint 2, and fixed with the first joint 2 by tightening screws. There are multiple jacking screws, which are evenly distributed along the circumferential direction of the second sub-joint;

The first sub-joint includes a hollow pipe body, the inner cavity of the pipe is provided with an annular protrusion, the right end surface of the protrusion has a bevel, and the left end surface of the protrusion is provided with a U-shaped groove. The U-shaped groove is equipped with a cylindrical compression spring, and the other end of the spring is installed in the first U-shaped groove of the cap. The inner part is an elastic claw, and the right end of the cap is in contact with the tube body. There is also a second U-shaped groove. The opening of the second U-shaped groove corresponds to the bevel of the U-shaped groove on the tube body. The second An elastic rubber ring is housed in the U-shaped groove, and the elastic rubber ring has a circular cross-section. The cross-sectional diameter of the elastic rubber ring is greater than the height of the second U-shaped groove. The ring-shaped protrusion where the second sub-joint 1 is located. The inner cavity diameter of the second sub-joint is greater than the outer diameter of the second sub-joint; the free length of the spring is greater than the length of the space between the protrusion of the tube body and the U-shaped groove of the cap. The inner diameter of the tube of the second sub-joint is smaller than the outer diameter of the sealing sleeve.

When the device is connected with a hydraulic hose with a smaller diameter, the set screw on the second sub-joint 1 is unscrewed, so that the second sub-joint 1 moves to the contact position between the bottom end of the first sub-joint 2 and the sealing sleeve 3 , the hydraulic hose is inserted into the cavity of the first sub-joint 2, the elastic claws of the first sub-joint 2 are elastically deformed, and the hydraulic hose is fastened to realize quick connection. When using a larger diameter rubber hose for connection, push the second sub-joint 1 forward along the first sub-joint 2, when the bottom end of the second sub-joint 1 is stuck on the protrusion of the first sub-joint 2, stop pushing and push Tighten the jacking screw, fix the second sub-joint 1 to the first sub-joint 2, insert the large-diameter hydraulic hose into the cavity of the second sub-joint 1, the elastic claws of the first sub-joint 2 are elastically deformed, and the The hydraulic hose clamps tightly for quick connection. When it is necessary to remove the rubber hose from the joint, push the cap along the axis direction of the second sub-joint 1, the spring located between the cap and the pipe body will be compressed and deformed, and the elastic claw will slide along the raised groove of the pipe body to Inside the pipe body, at this time, the hydraulic hose is no longer subjected to the extrusion force from the elastic protrusion, and the hydraulic hose can be easily pulled out.

The pipe joint assembly can be expanded according to actual needs, such as adding a third sub-joint, a fourth sub-joint, etc. It is also possible to remove the plug 4 and install a sub-joint or a joint assembly according to actual needs, so as to realize the function of the four-way joint.

Although the specific implementation of the present invention has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present invention. Those skilled in the art should understand that on the basis of the technical solution of the present invention, those skilled in the art do not need to pay creative work Various modifications or variations that can be made are still within the protection scope of the present invention.

Claims (10)

1. The multi-way quick connector combination is characterized in that it includes a cross-shaped joint seat, the cross-shaped joint seat is a hollow cavity, and the four joint ends of the cross-shaped joint seat are connected with a quick pipe joint assembly or a plug head, the quick pipe joint assembly includes sub-joints of at least two caliber specifications, the first sub-joint includes a hollow pipe body, and an annular protrusion is provided on the inner cavity of the pipe, and the right end surface of the protrusion has a Groove, the left side of the protrusion is provided with a U-shaped groove, the U-shaped groove is equipped with a spring, the other end of the spring is installed in the first U-shaped groove of the card cap, and the card cap passes through the end The upper flange is set in the pipe body, and the part of the clamp cap extending into the pipe body is an elastic claw. The right end of the clamp cap and the contact part of the pipe body are also provided with a second U-shaped groove, and the opening of the second U-shaped groove corresponds to The bevel of the raised U-shaped groove on the pipe body, the second U-shaped groove is equipped with an elastic rubber ring, and the outside of the pipe body is provided with an annular protrusion for positioning the second sub-joint; on the second sub-joint Set with jacking screws. 2. The multi-way quick connector assembly according to claim 1, characterized in that a sealing sleeve is provided at the connection between the cross-shaped connector seat and the connector assembly or the plug. 3. The multi-way quick connector assembly according to claim 1, wherein the spring is a cylindrical compression spring. 4. The multi-way quick connector assembly according to claim 1, wherein the elastic rubber ring is in the shape of a ring with a circular cross section. 5. The multi-way quick joint combination according to claim 1, characterized in that, the section diameter of the elastic rubber ring is larger than the height of the second U-shaped groove. 6. The multi-way quick connector assembly according to claim 1, wherein the free length of the spring is greater than the length of the space between the protrusion of the tube body and the U-shaped groove of the cap. 7. The multi-way quick connector combination according to claim 1, characterized in that, an installation hole for fixing the connector seat is provided at the intersection of the two joints of the cross-shaped connector seat. 8. The multi-way quick connector assembly according to claim 7, wherein the inner diameter of the second sub-joint is larger than the outer diameter of the first sub-joint. 9. The multi-way quick connector assembly according to claim 1, characterized in that there are a plurality of fastening screws, which are evenly distributed along the circumferential direction of the second sub-joint. 10. The multi-way quick joint assembly according to claim 1, characterized in that, the inner diameter of the tube of the second sub-joint is smaller than the outer diameter of the sealing sleeve.