CN219452556U

CN219452556U - Hydraulic equipment motor balance valve group

Info

Publication number: CN219452556U
Application number: CN202320098827.5U
Authority: CN
Inventors: 李培溪; 陈成; 李培创
Original assignee: Foster Hydraulic Technology Dongguan Co ltd
Current assignee: Foster Hydraulic Technology Dongguan Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-08-01
Anticipated expiration: 2033-02-02

Abstract

The utility model relates to the technical field of balance valve groups, in particular to a motor balance valve group of hydraulic equipment, wherein one side of one end of a shell, which is far away from an oil discharge pipe, is provided with a pressure regulating assembly, one side of the shell is respectively provided with an oil inlet hole and an oil discharge hole which are communicated with a mounting hole, the upper surface of the shell is provided with a pilot hole communicated with the mounting hole, the inside of the mounting hole is positioned at one end, which is close to the pressure regulating assembly, of the shell, a pressure regulating piston which is matched with the pilot hole is movably arranged at one end, which is close to the pressure regulating assembly, and one end of the pressure regulating piston is fixedly provided with a connecting rod. According to the utility model, the pressure regulating assembly is arranged to realize the regulation of the equipment to the oil pressure application range, so that the practicability of the equipment is improved; the movable piece is driven through the arrangement of the reaction spring, the oil inlet hole is further opened and closed, and then the oil drain hole is opened, so that the damage to equipment caused by overlarge pressure during oil discharge is avoided, and the service life of the equipment is prolonged.

Description

Hydraulic equipment motor balance valve group

Technical Field

The utility model relates to the technical field of balance valve groups, in particular to a motor balance valve group of hydraulic equipment.

Background

The balance valve group generally comprises a valve body, wherein a circulation channel, an outlet and an inlet are arranged in the valve body, the circulation channel is respectively communicated with the outlet and the inlet, and liquid generally flows in from the inlet and is discharged from the outlet.

The existing balance valve controls the pressure of liquid discharged from the outlet by arranging the valve body at the outlet, and the pressure discharging mode has larger resistance and is easy to damage the valve body, so that a person skilled in the art provides a motor balance valve group of hydraulic equipment to solve the problems in the background art.

Disclosure of Invention

The utility model aims to provide a motor balance valve group of hydraulic equipment, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic equipment motor balance valve group, includes the shell, sets up at the inside mounting hole of shell to and fix the oil drain pipe in mounting hole one end, one side that oil drain pipe was kept away from to shell one end is equipped with the pressure regulating subassembly, and one side of shell has seted up oil inlet hole, the oil drain hole with the mounting hole intercommunication respectively, the pilot hole with the mounting hole intercommunication has been seted up to the upper surface of shell, the inside of mounting hole is located the one end movable mounting that is close to the pressure regulating subassembly and has the pressure regulating piston with pilot hole adaptation, the one end of pressure regulating piston is fixed with the connecting rod, the outside fixed cover of connecting rod is equipped with the stifled door piston with the oil drain hole adaptation, the fixed slot has been seted up to the position department that the inside position of mounting hole is close to oil drain pipe, the internally mounted of fixed slot has the moving part that is used for opening the oil inlet hole.

As a further aspect of the present utility model: the movable part comprises a fixed ring which is slidably arranged in a fixed groove, a guide sleeve is fixed on one side of the fixed ring, a telescopic sleeve matched with the oil inlet hole is fixed on the other side of the fixed ring, a rubber pad is fixedly sleeved on the outer side of the telescopic sleeve, a reaction spring sleeved on the outer side of the guide sleeve is arranged at one end of the inner part of the fixed groove, and a connecting frame propped against the connecting rod is fixed at the position of the fixed ring positioned on the telescopic sleeve.

As a further aspect of the present utility model: the pressure regulating subassembly is including setting up the adapter sleeve in shell one end, there is adapter sleeve's outside through threaded connection, adapter sleeve's inside rotation install with adapter sleeve sliding connection's square post, the other end of square post is fixed with sealed piston, install the pressure regulating spring between sealed piston and the pressure regulating piston.

As a further aspect of the present utility model: the outside of adapter sleeve has the fastening bolt that offsets with adjusting sleeve through threaded connection, and adapter sleeve's outside is located the cover and is equipped with buffer spring between shell and the fastening bolt.

As a further aspect of the present utility model: and a limiting ring is fixed at the position, close to the pilot hole, inside the mounting hole, and the limiting ring is fixed with the mounting hole through welding.

As a further aspect of the present utility model: the cross section of the square column is of a square structure, and the square column is rotationally connected with the adjusting sleeve through a bearing.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the pressure regulating assembly is arranged to realize the regulation of the equipment to the oil pressure application range, so that the practicability of the equipment is improved; the movable piece is driven through the arrangement of the reaction spring, the oil inlet hole is further opened and closed, and then the oil drain hole is opened, so that the damage to equipment caused by overlarge pressure during oil discharge is avoided, and the service life of the equipment is prolonged.

Drawings

FIG. 1 is a schematic diagram of a hydraulic device motor balancing valve set;

FIG. 2 is a schematic diagram of the internal structure of a hydraulic device motor balancing valve set;

fig. 3 is a schematic structural view of a movable member in a motor balance valve block of a hydraulic device.

In the figure: 1. a housing; 2. an oil drain pipe; 3. an oil inlet hole; 4. an oil drain hole; 5. a pilot hole; 6. adjusting the sleeve; 7. a fastening bolt; 8. a buffer spring; 9. a mounting hole; 10. a fixing groove; 11. a fixing ring; 12. a reaction spring; 13. a connection sleeve; 14. square columns; 15. a pressure regulating spring; 16. a pressure regulating piston; 17. a limiting ring; 18. a connecting rod; 19. a door blocking piston; 20. a guide sleeve; 21. a connecting frame; 22. a telescoping tube; 23. and a rubber pad.

Description of the embodiments

Referring to fig. 1-3, in the embodiment of the utility model, a hydraulic equipment motor balance valve group comprises a housing 1, a mounting hole 9 formed in the housing 1, and an oil drain pipe 2 fixed at one end of the mounting hole 9, wherein one side of one end of the housing 1, which is far away from the oil drain pipe 2, is provided with a pressure regulating component, one side of the housing 1 is respectively provided with an oil inlet hole 3 and an oil drain hole 4 which are communicated with the mounting hole 9, the upper surface of the housing 1 is provided with a pilot hole 5 which is communicated with the mounting hole 9, the inside of the mounting hole 9 is located at one end, which is close to the pressure regulating component, is movably provided with a pressure regulating piston 16 which is matched with the pilot hole 5, one end of the pressure regulating piston 16 is fixed with a connecting rod 18, a fixed sleeve on the outer side of the connecting rod 18 is provided with a blocking door piston 19 which is matched with the oil drain hole 4, a movable piece for opening the oil inlet hole 3 is arranged in the position, at the inner side of the mounting hole 9 is close to the oil drain pipe 2, at the moment, the pressure regulating component is used for realizing the regulation of the adaptation range of oil pressure of the equipment through the oil pressure regulating component, thereby improving the practicality of the equipment, when the oil pressure of the oil pipe 2 is larger, the oil pressure of the oil pressure 5 is pushed by the oil pressure regulating component, the oil pressure 5 is further moves down the oil pressure regulating hole 5, the oil pressure is further, the connecting rod is driven by the oil pressure regulating hole 4, and the oil pressure is further is prevented from being separated from the oil drain hole 4, and the oil pressure is at the movable hole 4, and the oil hole is at the position, and the oil pressure is further, and the oil is further easily separated, and the oil is at the oil pressure is at the oil pipe 2, and the pressure is at the oil pressure is moved, and the pressure is moved.

In fig. 2 and 3, the movable member includes a fixed ring 11 slidably mounted in a fixed slot 10, a guide sleeve 20 is fixed on one side of the fixed ring 11, a telescopic sleeve 22 adapted to the oil inlet hole 3 is fixed on the other side of the fixed ring 11, a rubber pad 23 is fixedly sleeved on the outer side of the telescopic sleeve 22, a reaction spring 12 sleeved on the outer side of the guide sleeve 20 is mounted on one end of the inside of the fixed slot 10, a connecting frame 21 propped against the connecting rod 18 is fixed on the position of the fixed ring 11 in the telescopic sleeve 22, and the connecting frame 21 is separated from and propped against the connecting rod 18 through the movement of the connecting rod 18, so that the fixed ring 11 is driven to slide in the fixed slot 10 under the elastic force of the reaction spring 12, thereby being beneficial to closing and opening the oil inlet hole 3.

In fig. 2, the pressure regulating assembly comprises a connecting sleeve 13 arranged at one end of a casing 1, an adjusting sleeve 6 is connected to the outer side of the connecting sleeve 13 through threads, a square column 14 which is connected with the connecting sleeve 13 in a sliding manner is installed in the adjusting sleeve 6 in an internal rotating manner, a sealing piston is fixed to the other end of the square column 14, a pressure regulating spring 15 is installed between the sealing piston and the pressure regulating piston 16, the adjusting sleeve 6 is stirred, accordingly, the depth of the square column 14 inserted into the connecting sleeve 13 is adjusted, potential energy of the pressure regulating spring 15 is adjusted conveniently, the adaptation range of equipment to oil pressure is adjusted, and the practicability of the equipment is improved.

In fig. 2, the outside of the connecting sleeve 13 is connected with a fastening bolt 7 which abuts against the adjusting sleeve 6 through threads, a buffer spring 8 is sleeved between the outer shell 1 and the fastening bolt 7 outside the connecting sleeve 13, the fastening bolt 7 is stirred to abut against the adjusting sleeve 6, and the fastening bolt 7 is more stable on the connecting sleeve 13 through the arrangement of the buffer spring 8, so that the voltage regulation is more stable.

In fig. 1 and 2, a limiting ring 17 is fixed at a position, close to the pilot hole 5, inside the mounting hole 9, between the limiting ring 17 and the mounting hole 9 through welding, and limiting of the pressure regulating piston 16 is achieved through arrangement of the limiting ring 17.

In fig. 2, the cross section of the square column 14 is square, and the square column 14 is rotatably connected with the adjusting sleeve 6 through a bearing, so that the square column 14 is prevented from being influenced when the adjusting sleeve 6 rotates.

The working principle of the utility model is as follows: when in use, the adjusting sleeve 6 is stirred, so that the depth of the square column 14 inserted into the connecting sleeve 13 is adjusted, the potential energy of the pressure adjusting spring 15 is adjusted, the fastening bolt 7 is stirred to be propped against the adjusting sleeve 6, the fastening bolt 7 is more stable on the connecting sleeve 13 through the arrangement of the buffer spring 8, and the pressure adjusting is more stable; when the oil pressure at the oil drain pipe 2 is large, the oil pressure at the pilot hole 5 is increased, the pressure regulating piston 16 moves towards the direction away from the limiting ring 17 under the pushing of the oil pressure, the pressure regulating spring 15 is contracted, the connecting rod 18 moves under the driving of the pressure regulating piston 16, the door blocking piston 19 moves away from the oil drain hole 4, the oil drain hole 4 is opened, meanwhile, the connecting rod 18 is separated from the connecting frame 21, the fixed ring 11 slides in the fixed groove 10 under the driving of the reaction spring 12, the telescopic sleeve 22 blocks the oil inlet hole 3, pressure relief and oil drain at the oil drain pipe 2 are facilitated, and equipment damage caused by overlarge oil pressure is avoided; when the oil pressure at the oil drain pipe 2 is smaller, the pressure regulating spring 15 is released at the moment to enable the pressure regulating piston 16 to prop against the limiting ring 17, so that the connecting rod 18 pushes the door blocking piston 19 to move, sealing of the oil drain hole 4 is achieved, the connecting frame 21 is pushed to move under the action of the connecting rod 18, the reaction spring 12 is compressed, the telescopic sleeve 22 is moved away from the oil inlet hole 3, the oil inlet hole 3 is opened, and oil is input from the oil inlet hole 3.

Claims

1. The utility model provides a balanced valves of hydraulic equipment motor, includes shell (1), sets up at inside mounting hole (9) of shell (1) to and fix oil drain pipe (2) in mounting hole (9) one end, a serial communication port, one side that oil drain pipe (2) was kept away from to shell (1) one end is equipped with pressure regulating assembly, and one side of shell (1) has been seted up respectively with oil inlet hole (3), oil drain hole (4) of mounting hole (9) intercommunication, pilot hole (5) with mounting hole (9) intercommunication are seted up to the upper surface of shell (1), the inside of mounting hole (9) is located one end movable mounting that is close to pressure regulating assembly has pressure regulating piston (16) with pilot hole (5) adaptation, the one end of pressure regulating piston (16) is fixed with connecting rod (18), the outside fixed cover of connecting rod (18) is equipped with and oil drain hole (4) adaptation blocks up a piston (19), the inside position department that is close to oil drain pipe (2) of mounting hole (9) has seted up fixed slot (10), the internally mounted of fixed slot (10) has a moving part that is used for opening oil inlet hole (3).

2. The hydraulic equipment motor balance valve group according to claim 1, wherein the movable part comprises a fixed ring (11) which is slidably mounted in the fixed groove (10), a guide sleeve (20) is fixed on one side of the fixed ring (11), a telescopic sleeve (22) which is matched with the oil inlet hole (3) is fixed on the other side of the fixed ring (11), a rubber pad (23) is fixedly sleeved on the outer side of the telescopic sleeve (22), a reaction spring (12) sleeved on the outer side of the guide sleeve (20) is mounted at one end of the inner side of the fixed groove (10), and a connecting frame (21) which is propped against the connecting rod (18) is fixed at the position of the telescopic sleeve (22) of the fixed ring (11).

3. The hydraulic equipment motor balance valve group according to claim 1, wherein the pressure regulating assembly comprises a connecting sleeve (13) arranged at one end of the housing (1), an adjusting sleeve (6) is connected to the outer side of the connecting sleeve (13) through threads, a square column (14) which is connected with the connecting sleeve (13) in a sliding manner is rotatably arranged in the adjusting sleeve (6), a sealing piston is fixed at the other end of the square column (14), and a pressure regulating spring (15) is arranged between the sealing piston and the pressure regulating piston (16).

4. A hydraulic equipment motor balance valve set according to claim 3, characterized in that the outside of the connecting sleeve (13) is connected with a fastening bolt (7) which is propped against the adjusting sleeve (6) through threads, and a buffer spring (8) is sleeved between the shell (1) and the fastening bolt (7) on the outside of the connecting sleeve (13).

5. The hydraulic equipment motor balance valve group according to claim 1, wherein a limiting ring (17) is fixed in the mounting hole (9) at a position close to the pilot hole (5), and the limiting ring (17) is fixed with the mounting hole (9) through welding.

6. A hydraulic equipment motor balance valve set according to claim 3, characterized in that the cross section of the square column (14) is square, and the square column (14) is rotatably connected with the adjusting sleeve (6) through a bearing.