CN220082416U - Adjustable hydraulic pipe joint - Google Patents

Abstract

The utility model discloses an adjustable hydraulic pipe joint, which includes two connecting pipes, one end of which is opposite to the two connecting pipes is sealed, and a guide pipe is fixedly connected to the bottom wall of the two connecting pipes, and also includes An adjustment mechanism is provided on the two connecting pipes for adjusting the distance between the two guide pipes. The adjusting mechanism includes two mutually symmetrically arranged fixed plates fixedly connected to the side walls of the two connecting pipes, located at Adjustment tubes are fixedly connected to the two fixed plates on the same side, and an adjustment rod is slidingly connected to one of the two adjustment tubes. Through the setting of the adjustment mechanism, the utility model realizes the adjustment of the spacing between the two guide pipes, so that it can adapt to the connection of hydraulic pipes with different spacings, thereby eliminating the need to use multiple hydraulic pipe joints with connecting pipes for connection, and reducing the need for The connection cost of hydraulic pipes further improves the flexibility of hydraulic pipe joints.

Description

An adjustable hydraulic pipe joint

Technical field

The utility model relates to the technical field of hydraulic pipes, specifically an adjustable hydraulic pipe joint.

Background technique

Hydraulic pipe joints are connectors used to connect two adjacent hydraulic pipes. The existing hydraulic pipe joints are designed in one piece. When connecting hydraulic pipes, it is necessary to align the end faces of the hydraulic pipes with the hydraulic pipe joints. After full contact, the hydraulic hose is connected and limited through the thread. However, in the actual use process, when the distance between the two hydraulic pipes is too large, the hydraulic pipe joint will not be able to directly connect them, and multiple hoses need to be used. Hydraulic pipe joints can only be connected with connecting conduits, thus increasing the connection cost of hydraulic pipes.

Therefore, an adjustable hydraulic pipe joint is urgently needed to solve the above problems.

Utility model content

The purpose of this utility model is to provide an adjustable hydraulic pipe joint to solve the problem of inconvenient adjustment of the length of the hydraulic pipe joint proposed in the above background art.

In order to achieve the above purpose, the present utility model provides the following technical solution: an adjustable hydraulic pipe joint, including two connecting pipes, one end of which is opposite to the two connecting pipes is sealed, and the bottom wall of the two connecting pipes is The guide tube is fixedly connected, and also includes an adjustment mechanism provided on the two connecting tubes for adjusting the distance between the two guide tubes;

The adjustment mechanism includes two mutually symmetrically arranged fixed plates fixedly connected to the side walls of the two connecting pipes. The two fixed plates located on the same side are fixedly connected with adjusting tubes. One of the two adjusting tubes is An adjusting rod is slidingly connected, one end of the adjusting rod is fixed to one of the two opposite fixed plates, the other of the two adjusting tubes is threadedly connected with a threaded rod, and the opposite ends of the two connecting tubes Connections are made via bellows.

One end of the threaded rod away from the adjusting tube is fixedly connected to a connecting rod, which runs through the other of the two opposite fixed plates and is fixedly connected to the adjusting plate.

The two connecting pipes are provided with a sealing assembly for sealing the end faces of the hydraulic pipes. The sealing assembly includes a sealing ring slidably connected in the connecting pipe. The sealing ring is fixedly connected with a plurality of extrusions on one side close to the bellows. Pressure rod, an extrusion tube is slidably connected to the side wall of each extrusion rod, one end of each extrusion tube is connected to the bottom wall of the connecting tube, and one end of each extrusion rod is located inside the extrusion tube. An extrusion plate is fixedly connected, a spring is fixedly connected to one side of each extrusion plate, and the other end of each spring is connected to the bottom wall of the extrusion tube.

The two connecting pipes are provided with a limiting mechanism for limiting the position of the hydraulic pipe. The limiting mechanism includes a plurality of limiting rods slidably connected to the connecting pipes. The opposite end of each limiting rod is fixed. Connected to the limiting plate, each limiting plate has an arc surface on one side close to the hydraulic pipe, and the connecting pipe is provided with a driving assembly for driving each limiting plate.

The driving assembly includes a gear rotatably connected to the side wall of the connecting pipe through a connecting plate. The gear is provided with a threaded groove. The side wall of the limiting rod is provided with a threaded strip. The threaded strip and the threaded groove are mutually connected. In meshing arrangement, a driving ring is rotatably connected to the side wall of the connecting pipe, and an annular rack is fixedly connected to the side of the driving ring close to the limiting rod. The annular rack and the gear are arranged to mesh with each other.

A guide groove is provided on the side wall of each limiting rod, a guide bar is slidably connected to each guide groove, and one side of each guide bar is connected to the connecting plate.

Compared with the existing technology, the beneficial effects of this utility model are:

Through the setting of the adjustment mechanism, the utility model realizes the adjustment of the spacing between the two guide pipes, so that it can adapt to the connection of hydraulic pipes with different spacings, thereby eliminating the need to use multiple hydraulic pipe joints with connecting pipes for connection, and reducing the cost of The connection cost of hydraulic pipes further improves the flexibility of hydraulic pipe joints.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the internal structure of the sealing assembly and limiting mechanism of the present utility model;

Figure 3 is a schematic structural diagram of the driving assembly of the present utility model;

Figure 4 is a schematic diagram of the internal structure of the extruded tube of the present invention.

In the picture: 101. Connecting pipe; 102. Guide pipe; 201. Fixed plate; 202. Adjusting pipe; 203. Adjusting rod; 204. Threaded rod; 205. Adjusting plate; 206. Bellows; 301. Sealing ring; 302. Extrusion rod; 303, extrusion tube; 304, extrusion plate; 305, spring; 401, limit rod; 402, limit plate; 403, arc surface; 501, gear; 502, threaded strip; 503, drive Ring; 504, ring rack; 505, connecting plate; 601, guide groove; 602, guide bar.

Detailed ways

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. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-4. The utility model provides an adjustable hydraulic pipe joint, which includes two connecting pipes 101. The opposite ends of the two connecting pipes 101 are sealed, and the bottom walls of the two connecting pipes 101 are fixedly connected. There is a guide tube 102, and also includes an adjustment mechanism provided on the two connecting tubes 101 for adjusting the distance between the two guide tubes 102;

The adjustment mechanism includes two mutually symmetrically arranged fixed plates 201 fixedly connected to the side walls of the two connecting pipes 101. The two fixed plates 201 located on the same side are fixedly connected with an adjusting tube 202, one of the two adjusting tubes 202 An adjusting rod 203 is slidably connected to the upper end of the adjusting rod 203. One end of the adjusting rod 203 is fixed to one of the two opposite fixing plates 201. The other end of the two adjusting tubes 202 is threadedly connected to a threaded rod 204. The two connecting tubes 101 are opposite to each other. One end is connected through a bellows 206;

What needs to be explained here is that through the setting of the adjustment mechanism, the spacing between the two guide pipes 102 can be adjusted to adapt to the connection of hydraulic pipes with different spacings, thereby eliminating the need to use multiple hydraulic pipe joints with connecting pipes. The connection reduces the cost of connecting hydraulic pipes and further improves the flexibility of using hydraulic pipe joints.

One end of the threaded rod 204 away from the adjustment tube 202 is fixedly connected with a connecting rod, which runs through the other of the two opposite fixed plates 201 and is fixedly connected with the adjusting plate 205;

What needs to be explained here is that the setting of the adjusting disk 205 facilitates the rotation of the threaded rod 204.

The two connecting pipes 101 are provided with a sealing assembly for sealing the end faces of the hydraulic pipes. The sealing assembly includes a sealing ring 301 slidably connected in the connecting pipe 101. The sealing ring 301 is fixedly connected with a plurality of sealing rings on one side close to the bellows 206. The extrusion rod 302 has an extrusion tube 303 slidably connected to the side wall of each extrusion rod 302. One end of each extrusion tube 303 is connected to the bottom wall of the connecting tube 101. Each extrusion rod 302 is located inside the extrusion tube 303. An extrusion plate 304 is fixedly connected to one end of each extrusion plate 304, a spring 305 is fixedly connected to one side of each extrusion plate 304, and the other end of each spring 305 is connected to the bottom wall of the extrusion tube 303;

What needs to be explained here is that through the arrangement of the sealing assembly, the sealing ring 301 is closely offset against the end face of the hydraulic pipe, thereby improving the sealing performance of the connection to the hydraulic pipe.

The two connecting pipes 101 are provided with a limiting mechanism for limiting the position of the hydraulic pipe. The limiting mechanism includes a plurality of limiting rods 401 slidably connected to the connecting pipe 101. The opposite end of each limiting rod 401 is fixedly connected to a limited number. Position plate 402, each limit plate 402 has an arc surface 403 on one side close to the hydraulic pipe, and the connecting pipe 101 is provided with a driving assembly for driving each limit plate 402;

What needs to be explained here is that through the setting of the limit mechanism, the connection limit of the hydraulic pipe is realized, which further improves the stability and firmness of the use of the hydraulic pipe.

The driving assembly includes a gear 501 rotatably connected to the side wall of the connecting pipe 101 through a connecting plate 505. The gear 501 is provided with a threaded groove, and the side wall of the limiting rod 401 is provided with a threaded strip 502. The threaded strip 502 meshes with the threaded groove. It is set that a driving ring 503 is rotatably connected to the side wall of the connecting pipe 101, and an annular rack 504 is fixedly connected to the side of the driving ring 503 close to the limiting rod 401. The annular rack 504 and the gear 501 are arranged to mesh with each other;

What needs to be explained here is that through the arrangement of the driving assembly, each limiting plate 402 can be easily driven to move toward or away from each other.

A guide groove 601 is provided on the side wall of each limiting rod 401, and a guide bar 602 is slidingly connected to each guide groove 601. One side of each guide bar 602 is connected to the connecting plate 505;

What needs to be explained here is that through the arrangement of the guide groove 601 and the guide bar 602, a guiding and limiting function is provided for the movement of the limiting plate 402.

Working principle: When the hydraulic pipes need to be connected, place the two connecting pipes 101 at the connecting end faces of the two hydraulic pipes, and adjust the space between the guide pipes 102 on the two connecting pipes 101 according to the distance between the end faces of the two hydraulic pipes. When adjusting the distance between the guide tubes 102, the adjusting disk 205 is rotated to drive the threaded rod 204 at one end of the connecting rod to rotate. Under the threaded meshing transmission effect of the threaded rod 204 and the adjusting tube 202 and the guiding effect of the adjusting rod 203, One of the connecting pipes 101 is driven to move close to the other connecting pipe 101, thereby adjusting the spacing between the two guide pipes 102 to adapt to the connection of hydraulic pipes with different spacings, without using multiple hydraulic pipe joints to match the connecting pipes. The connection reduces the cost of connecting hydraulic pipes and further improves the flexibility of using hydraulic pipe joints;

After adjusting the distance between the guide tubes 102, the hydraulic pipe is sleeved on the side wall of the guide tube 102, and the sealing ring 301 is pushed close to the bottom wall of the connecting tube 101. When the sealing ring 301 is close to the connecting tube 101 During the movement of the bottom wall, the spring 305 will be compressed, causing the spring 305 to deform due to force, forming an elastic force. The spring 305 forming the elastic force will exert a reverse pushing force on the sealing ring 301, thereby causing the sealing ring 301 to contact the hydraulic pressure. The end faces of the pipes are closely offset to improve the sealing performance of the hydraulic pipe connection;

After the hydraulic pipe is sleeved on the side wall of the guide pipe 102, the driving ring 503 is rotated to drive the annular rack 504 to rotate. The annular rack 504 meshes with each gear 501 and drives each gear 501 to rotate. During the rotation of 501, through the thread meshing transmission effect of the thread groove and the thread strip 502 and the guiding effect of the guide groove 601 and the guide strip 602, each limit plate 402 is driven to move closer to each other, thereby realizing the connection limit of the hydraulic pipe. position, further improving the stability and firmness of the hydraulic pipe.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the rights All changes within the meaning and scope of the required equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

Claims (6)

1. An adjustable hydraulic fitting comprising:

the two connecting pipes (101) are sealed at the opposite ends of the two connecting pipes (101), and the bottom walls of the two connecting pipes (101) are fixedly connected with guide pipes (102);

characterized by further comprising:

an adjusting mechanism arranged on the two connecting pipes (101) for adjusting the distance between the two guide pipes (102);

the adjusting mechanism comprises two fixing plates (201) which are fixedly connected to the side walls of two connecting pipes (101) and are symmetrically arranged, adjusting pipes (202) are fixedly connected to the two fixing plates (201) on the same side, one of the adjusting pipes (202) is slidably connected with an adjusting rod (203), one end of the adjusting rod (203) is fixed to one of the two opposite fixing plates (201), the other end of the adjusting pipe (202) is connected with a threaded rod (204) in a threaded mode, and the opposite ends of the two connecting pipes (101) are connected through a corrugated pipe (206).

2. An adjustable hydraulic fitting according to claim 1, wherein: one end of the threaded rod (204) far away from the adjusting pipe (202) is fixedly connected with a connecting rod, and the connecting rod penetrates through the other of the two opposite fixing plates (201) and is fixedly connected with an adjusting disc (205).

3. An adjustable hydraulic fitting according to claim 1, wherein: two be equipped with in connecting pipe (101) and be used for carrying out sealed sealing assembly to the terminal surface of hydraulic pressure pipe, sealing assembly includes sealing ring (301) of sliding connection in connecting pipe (101), one side fixedly connected with a plurality of squeeze levers (302) of sealing ring (301) near bellows (206), each sliding connection has squeeze tube (303) on the lateral wall of squeeze lever (302), each one end of squeeze tube (303) is connected with the diapire of connecting pipe (101), each one end fixedly connected with squeeze plate (304) that squeeze lever (302) are located squeeze tube (303) inside, each one side fixedly connected with spring (305) of squeeze plate (304), each the other end of spring (305) is connected with the diapire of squeeze tube (303).

4. An adjustable hydraulic fitting according to claim 1, wherein: two be equipped with on connecting pipe (101) and be used for carrying out spacing stop gear to the hydraulic pressure pipe, stop gear includes a plurality of gag lever posts (401) of sliding connection on connecting pipe (101), each one end fixedly connected with limiting plate (402) that gag lever post (401) are relative, each arcwall face (403) has been seted up to one side that limiting plate (402) is close to the hydraulic pressure pipe, be equipped with on connecting pipe (101) and be used for carrying out driven drive assembly to each limiting plate (402).

5. An adjustable hydraulic fitting according to claim 4, wherein: the driving assembly comprises a gear (501) rotationally connected to the side wall of the connecting pipe (101) through a connecting plate (505), a thread groove is formed in the gear (501), a thread strip (502) is formed in the side wall of the limiting rod (401), the thread strip (502) and the thread groove are meshed with each other, a driving ring (503) is rotationally connected to the side wall of the connecting pipe (101), an annular rack (504) is fixedly connected to one side, close to the limiting rod (401), of the driving ring (503), and the annular rack (504) and the gear (501) are meshed with each other.

6. An adjustable hydraulic fitting according to claim 5, wherein: a guide groove (601) is formed in the side wall of each limiting rod (401), guide strips (602) are connected to the guide grooves (601) in a sliding mode, and one side of each guide strip (602) is connected with a connecting plate (505).