CN217926515U

CN217926515U - Integrated valve bank

Info

Publication number: CN217926515U
Application number: CN202220618462.XU
Authority: CN
Inventors: 毛维敏
Original assignee: Xiaogan Hangke Electromechanical Technology Co ltd
Current assignee: Xiaogan Hangke Electromechanical Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-11-29
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses an integrated valve group, which comprises an oil path block, an electromagnetic valve, an overflow valve, a shuttle valve, a pipeline filter, a signal transmitter and the like; solenoid valve, overflow valve, shuttle valve, line filter etc. are installed on the oil circuit piece, and the message sender is installed on line filter, and oil circuit piece bottom sets up 4 mounting holes, and the convenience is being installed on the automobile body. This application can be in the same place hydraulic system's partial component collection, and the intercommunication that replaces coupling, steel pipe, hose through the inside oil duct of valves forms an organic whole, and the outside of valves sets up corresponding hydraulic fluid port, beats the prefix sign, can effectually prevent misconnection, and the inside oil duct of valves replaces coupling, steel pipe, hose to arrange simultaneously, makes the structure compacter, and the volume is littleer, arranges more pleasing to the eye. Meanwhile, the oil path block is generally formed by directly processing a forged piece or a steel plate, each oil path has no related pipe fitting, and the phenomenon that the joint loosens and oil leaks can not occur after the equipment works for a period of time. The pollution to the environment is reduced.

Description

Integrated valve bank

Technical Field

The utility model relates to an engineering machine tool's hydraulic control technical field especially relates to an integrated valves.

Background

The hydraulic transmission technology can output large pushing force or pulling force; the device can output large torque, can realize the motion of low-speed large-tonnage objects, and has the advantages of simple operation, convenient adjustment and control, easy realization of automation and the like. The hydraulic transmission technology plays a crucial role in the development process of the engineering machinery.

The components of the hydraulic system are communicated through pipe joints, steel pipes and hoses, the pipeline connection of the system is often complex, the types of the joints and the pipes are various, the requirement on assembly personnel is high, the hydraulic principle needs to be deeply known, otherwise, the hydraulic system is easy to have installation errors, the hydraulic system cannot normally operate, and the hydraulic components are damaged seriously. Meanwhile, the appearance of the hydraulic pipeline arrangement is affected by the multiple pipelines.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an integrated valves, an integrated valves can be in the same place hydraulic system's partial component, and the intercommunication that replaces coupling, steel pipe, hose through the inside oil duct of valves forms an organic whole, and the outside of valves sets up corresponding hydraulic fluid port, beats the prefix sign, can effectually prevent the misconnection, and the inside oil duct of valves replaces to connect simultaneously, steel pipe, hose arrangement, makes the structure compacter, and the volume is littleer, arranges more pleasing to the eye.

The utility model relates to an integrated valve group, which comprises an oil path block, an electromagnetic valve, an overflow valve, a shuttle valve, a pipeline filter, a signal transmitter and the like;

the electromagnetic valve, the overflow valve, the shuttle valve, the pipeline filter and the like are arranged on the oil path block, the signal transmitter is arranged on the pipeline filter, and 4 mounting holes are formed in the bottom of the oil path block, so that the electromagnetic valve, the overflow valve, the shuttle valve, the pipeline filter and the like are conveniently arranged on a vehicle body.

Preferably, various oil passages conforming to the hydraulic principle are arranged in the oil passage block in the integrated valve group, and the drift diameters of the arranged oil passages are not completely the same according to the actual needs and the requirements of the flow.

Preferably, the electromagnetic valve in the integrated valve group is a two-position three-way electromagnetic valve, and the function of the electromagnetic valve is to connect the feedback oil path to the shuttle valve through the reversing of the electromagnetic valve when the hydraulic element has no load feedback function, and to feed back the feedback oil path to the Ls port of the pump from the Ls port of the middle oil port of the shuttle valve, so as to wake up the oil pump to start working.

As the optimization of the scheme, the overflow valve in the integrated valve group is a cartridge valve, is screwed on the oil way block through the threads of the valve body, and is adjusted according to the pressure requirement of the system, so that the pressure of the system does not exceed the set pressure, and the whole system is protected from overload.

Preferably, the shuttle valve in the integrated valve group is a cartridge valve and is screwed on the oil path block through threads of the valve body. The selected shuttle valve is a three-way valve, so that the hydraulic component in the system can conveniently execute the function without load feedback and the function with load feedback to share one oil circuit block.

As the preferred of above-mentioned scheme, pipeline filter passes through the bolt and installs on the oil circuit piece in an integrated valves, is responsible for filtering hydraulic oil, guarantees that the system is succinct clean.

Preferably, the integrated valve set comprises a transmitter mounted on the filter for checking whether the filter is blocked.

Preferably, an integrated valve set has an oil inlet P directly connected to the pump, and is divided into two oil ports P1 and P2 (or into multiple oil outlets) after passing through the filter to supply pressure oil to the hydraulic actuator.

Preferably, 2 LS ports are formed in one integrated valve bank, one integrated valve bank is used for a subsystem of an external hydraulic actuator with LS, the other integrated valve bank is used for a subsystem of an external hydraulic actuator without LS, and the use area of the integrated valve bank is enlarged.

Due to the structure, the beneficial effects of the utility model reside in that:

the problem of arranging unattractive through the loaded down with trivial details connection of coupling, steel pipe, hose between the hydraulic component has effectively been solved in this application, has also reduced assembly personnel intensity of labour and has connect wrong probability. This integrated valves can be in the same place hydraulic system's partial component collection, replaces the intercommunication of coupling, steel pipe, hose through the inside oil duct of valves and forms an organic whole, and the outside of valves sets up corresponding hydraulic fluid port, beats the prefix sign, can effectually prevent misconnection, and the inside oil duct of valves replaces coupling, steel pipe, hose to arrange simultaneously, makes the structure compacter, and the volume is littleer, arranges more pleasing to the eye.

Drawings

Fig. 1 and 2 are hydraulic schematic diagrams of the present invention;

FIG. 3 is a perspective view of the present invention;

in the figure: 1-an oil path block, 2-an electromagnetic valve, 3-a shuttle valve, 4-an overflow valve, 5-a signal transmitter and 6-a pipeline filter;

1-1-port M3, 1-2-port M2, 1-3-port M3, 1-4-port P2, 1-5-port P3, 1-6-port T, 1-7-port Ls1, 1-8-port P1, 1-9-port P and 1-10-port Ls.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to fig. 3, the present invention relates to an integrated valve set, which comprises an oil circuit block 1, an electromagnetic valve 2, a shuttle valve 3, an overflow valve 4, a signal transmitter 5, and a pipeline filter 6.

Solenoid valve 2, overflow valve 4, shuttle valve 3, line filter 6 etc. of integrated valve piece are installed on oil circuit piece 1, and signal transmitter 5 installs on

line filter

6, and 1 bottoms of oil circuit piece set up 4 mounting holes, and the convenience is being installed on the automobile body.

Various oil ducts conforming to the hydraulic principle are arranged in the oil path block 1 of the integrated valve group, and the drift diameters of the arranged oil ducts are not completely the same according to the actual needs and the flow requirements

The electromagnetic valve 2 in the integrated valve group is a two-position three-way electromagnetic valve, and has the function of connecting a feedback oil path to the shuttle valve 3 through reversing of the electromagnetic valve when the execution hydraulic element does not have a load feedback function, and waking up the oil pump to start working when the Ls port of the pump is fed back from the Ls port of the middle oil port of the shuttle valve.

An overflow valve 4 in the integrated valve group is a cartridge valve and is screwed on the oil path block 1 through threads of the valve body. And adjusting according to the pressure requirement of the system to ensure that the pressure of the system does not exceed the set pressure and simultaneously protect the whole system from overload.

The shuttle valve 3 in the integrated valve group is a cartridge valve and is screwed on the oil path block 1 through threads of the valve body. The selected shuttle valve is a three-way valve, and the hydraulic elements in the system are convenient to execute and have no load feedback function and a load feedback function to form the same oil circuit block 1.

Pipeline filter 6 passes through the bolt mounting on oil circuit piece 1 in the integrated valves, is responsible for filtering hydraulic oil, guarantees that the system is succinct clean.

The signal transmitter 5 in the integrated valve set is installed on the pipeline filter 6 to check if the filter is blocked.

The oil path block 1 is provided with a plurality of oil ports which are convenient to be connected with other external hydraulic actuating elements, an oil inlet P (1-9) is directly connected with the pump as a main oil port, and is divided into three oil ports P1 (1-8), P2 (1-4) and P3 (1-5) (also can be divided into N oil ports) after passing through the filter 6 to provide pressure oil for the hydraulic actuating elements; the oil port T (1-6) is a main oil return port of the integrated valve group and is directly connected with a hydraulic oil return filter; the three oil ports of M1 (1-3), M2 (1-2) and M1 (1-1) can be provided with system detection pieces such as pressure measuring joints, pressure sensors and the like according to requirements; LS1 (1-7) LS port of external hydraulic actuator; LS (1-10) is the total LS port, which is directly connected to the LS port of the pump for feeding back the external pressure situation to the pump.

2 LS openings are formed in the integrated valve bank, one subsystem used for an external hydraulic actuator with LS is used, the other subsystem used for an external hydraulic actuator without LS is used, and the use surface of the integrated valve bank is enlarged.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An integrated valve group is characterized by comprising an oil path block, an electromagnetic valve, an overflow valve, a shuttle valve, a pipeline filter and a signal transmitter;

the electromagnetic valve, the overflow valve, the shuttle valve and the pipeline filter are arranged on the oil path block, the signal transmitter is arranged on the pipeline filter, and 4 mounting holes are formed in the bottom of the oil path block, so that the electromagnetic valve, the overflow valve, the shuttle valve and the pipeline filter are conveniently arranged on a vehicle body.

2. An integrated valve set as claimed in claim 1, wherein the solenoid valve is a two-position three-way solenoid valve, and the function of the solenoid valve is to connect the feedback oil path to the shuttle valve by reversing the solenoid valve when the hydraulic component has no load feedback function, and to wake up the oil pump to start working when the feedback oil path is fed back to the Ls port of the pump from the Ls port of the middle position oil port of the shuttle valve.

3. The valve assembly of claim 1, wherein the relief valve is a cartridge valve, which is screwed to the oil passage block through the threads of the valve body, and is adjusted according to the system pressure requirement, so that the system pressure does not exceed the set pressure, and the whole system is protected from overload.

4. The integrated valve group of claim 1, wherein the shuttle valve is a cartridge valve and is screwed on the oil circuit block through threads of the valve body, and the selected shuttle valve is a three-way valve, so that the hydraulic components in the system can conveniently execute the function of no load feedback and the function of load feedback on the same oil circuit block.

5. The integrated valve group of claim 1, wherein the pipeline filter is mounted on the oil path block through a bolt and is responsible for filtering hydraulic oil, so as to ensure that the system is compact and clean.

6. An integrated valve manifold as claimed in claim 1, wherein the signalling device is mounted on the in-line filter to check if the filter is clogged.

7. An integrated valve set as claimed in claim 1, wherein the integrated valve set has an oil inlet P directly connected to the pump, and is divided into two ports P1 and P2 after passing through the filter to supply pressure oil to the hydraulic actuator.

8. An integrated valve manifold as claimed in claim 1 wherein 2 LS ports are provided, one for use with external hydraulic actuators having LS and the other for use with external hydraulic actuators not having LS, to increase the area of use of the integrated valve manifold.