CN212225647U

CN212225647U - Valve group with pressure reducing function

Info

Publication number: CN212225647U
Application number: CN202020311738.0U
Authority: CN
Inventors: 付菊
Original assignee: Taiyuan Heavy Machinery Group Yuci Hydraulic Industry Co ltd
Current assignee: Taiyuan Heavy Machinery Group Yuci Hydraulic Industry Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-25
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to a valves especially is a valves with decompression function, including valve piece and valve module, first oil inlet and first oil return mouth have been seted up to the one end of valve piece, second oil inlet and second oil return mouth have been seted up to the other end of valve piece first oil-out A, first oil-out B, second oil-out A, second oil-out B, third oil-out A and third oil-out B have been seted up in proper order to the side of valve piece, the valve module includes first solenoid directional valve, stacked relief pressure valve, second solenoid directional valve and third solenoid directional valve, the utility model discloses a two-way oil feed and oil return structure can improve oil feed oil return efficiency. And each oil outlet is controlled independently, and the superposed pressure reducing valve has a good pressure reducing function on the secondary loop, so that potential safety hazards are not easy to occur.

Description

Valve group with pressure reducing function

Technical Field

The utility model relates to a valves, especially a valves with decompression function.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuits of clamping, controlling, lubricating and the like. The hydraulic valve has the advantages that the hydraulic valve is divided into a direct-acting type and a pilot type, and is of a multi-purpose pilot type, in the prior art, the hydraulic valve is single in function, oil can be fed or returned only from one end, and potential safety hazards are easy to occur when the oil pressure is too high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the defect that proposes in the above-mentioned background art through proposing a valves with decompression function.

The utility model adopts the technical scheme as follows: the hydraulic control valve comprises a valve block and a valve assembly, wherein a first oil inlet and a first oil return port are formed in one end of the valve block, a second oil inlet and a second oil return port are formed in the other end of the valve block, a first oil outlet A, a first oil outlet B, a second oil outlet A, a second oil outlet B, a third oil outlet A and a third oil outlet B are sequentially formed in the side face of the valve block, and the valve assembly comprises a first electromagnetic reversing valve, a stacked pressure reducing valve, a second electromagnetic reversing valve and a third electromagnetic reversing valve.

As an optimal technical solution of the utility model: the first electromagnetic directional valve is correspondingly communicated with the first oil outlet A and the first oil outlet B.

As an optimal technical solution of the utility model: and the second electromagnetic directional valve is correspondingly communicated with the second oil outlet A and the second oil outlet B.

As an optimal technical solution of the utility model: and the third electromagnetic directional valve is correspondingly communicated with the third oil outlet A and the third oil outlet B.

As an optimal technical solution of the utility model: the overlapped reducing valve is arranged between the first electromagnetic directional valve and the valve block.

As an optimal technical solution of the utility model: the valve block is internally provided with a flow passage which communicates the first oil inlet, the first oil return port, the second oil inlet, the second oil return port, the first oil outlet A, the first oil outlet B, the second oil outlet A, the second oil outlet B, the third oil outlet A and the third oil outlet B.

The utility model discloses a two-way oil feed and oil return structure can improve oil feed oil return efficiency. And each oil outlet is controlled independently, and the superposed pressure reducing valve has a good pressure reducing function on the secondary loop, so that potential safety hazards are not easy to occur.

Drawings

Fig. 1 is a left side view of a preferred embodiment of the present invention;

FIG. 2 is a front view of the preferred embodiment of the present invention;

fig. 3 is a right side view of the preferred embodiment of the present invention;

fig. 4 is a schematic view of the internal flow passage according to the preferred embodiment of the present invention.

The reference numbers illustrate:

the hydraulic control valve comprises a valve block (1), a first oil inlet (10), a first oil return port (11), a second oil inlet (12), a second oil return port (13), a first oil outlet A (14a), a first oil outlet B (14B), a second oil outlet A (15a), a second oil outlet B (15B), a third oil outlet A (16a), a third oil outlet B (16B), a valve assembly (2), a first electromagnetic reversing valve (20), a superposition type reducing valve (21), a second electromagnetic reversing valve (22) and a third electromagnetic reversing valve (23).

Detailed Description

It should be noted that, in the present application, features of embodiments and embodiments can be combined with each other without conflict, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the preferred embodiment of the utility model provides a valves with decompression function, including valve block 1 and valve module 2, first oil inlet 10 and first oil return mouth 11 have been seted up to the one end of valve block 1, second oil inlet 12 and second oil return mouth 13 have been seted up to the other end of valve block 1, first oil-out A14a, first oil-out B14B, second oil-out A15a, second oil-out B15B, third oil-out A16a and third oil-out B16B have been seted up in proper order to the side of valve block 1, valve module 2 includes first electromagnetic directional valve 20, stack formula relief pressure valve 21, second electromagnetic directional valve 22 and third electromagnetic directional valve 23.

The first electromagnetic directional valve 20 is correspondingly communicated with the first oil outlet A14a and the first oil outlet B14B, the model of the first electromagnetic directional valve 20 is DSG-01-2B2-D24-N1-50, and the first electromagnetic directional valve 20 controls the direction change between the first oil outlet A14a and the first oil outlet B14B.

The second electromagnetic directional valve 22 is correspondingly communicated with the second oil outlet A15a and the second oil outlet B15B, the model of the second electromagnetic directional valve 22 is DSG-01-2B2-D24-N1-50, and the second electromagnetic directional valve 22 controls the direction change between the second oil outlet A15a and the second oil outlet B15B.

The third electromagnetic directional valve 23 is correspondingly communicated with the third oil outlet A16a and the third oil outlet B16B, the model of the third electromagnetic directional valve 23 is DSG-01-2B2-D24-N1-50, and the third electromagnetic directional valve 23 controls the direction change between the third oil outlet A16a and the third oil outlet B16B.

The overlapped pressure reducing valve 21 is arranged between the first electromagnetic reversing valve 20 and the valve block 1, the overlapped pressure reducing valve 21 is MRP-01-B-30 in model number, and the overlapped pressure reducing valve 21 has a good pressure reducing function on a secondary circuit.

A flow passage is further formed in the valve block 1, and the flow passage communicates the first oil inlet 10, the first oil return opening 11, the second oil inlet 12, the second oil return opening 13, the first oil outlet a14a, the first oil outlet B14B, the second oil outlet a15a, the second oil outlet B15B, the third oil outlet a16a and the third oil outlet B16B, and the specific flow direction refers to fig. 4.

It should be added that the valve assemblies 2 are mounted by screwing or plugging between them and with the valve block 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Valve group with pressure relief function, comprising a valve block (1) and a valve assembly (2), characterized in that: the hydraulic control valve is characterized in that one end of the valve block (1) is provided with a first oil inlet (10) and a first oil return port (11), the other end of the valve block (1) is provided with a second oil inlet (12) and a second oil return port (13), the side surface of the valve block (1) is sequentially provided with a first oil outlet A (14a), a first oil outlet B (14B), a second oil outlet A (15a), a second oil outlet B (15B), a third oil outlet A (16a) and a third oil outlet B (16B), and the valve assembly (2) comprises a first electromagnetic reversing valve (20), a superposition type pressure reducing valve (21), a second electromagnetic reversing valve (22) and a third electromagnetic reversing valve (23).

2. Valve group with pressure relief function according to claim 1, characterized in that: the first electromagnetic directional valve (20) is communicated with the first oil outlet A (14a) and the first oil outlet B (14B) correspondingly.

3. Valve group with pressure relief function according to claim 1, characterized in that: the second electromagnetic directional valve (22) is communicated with the second oil outlet A (15a) and the second oil outlet B (15B) correspondingly.

4. Valve group with pressure relief function according to claim 1, characterized in that: the third electromagnetic directional valve (23) is communicated with the third oil outlet A (16a) and the third oil outlet B (16B) correspondingly.

5. Valve group with pressure relief function according to claim 1, characterized in that: the overlapped pressure reducing valve (21) is arranged between the first electromagnetic directional valve (20) and the valve block (1).

6. Valve group with pressure relief function according to claim 1, characterized in that: the valve block (1) is internally provided with a flow passage, and the flow passage is used for communicating a first oil inlet (10), a first oil return opening (11), a second oil inlet (12), a second oil return opening (13), a first oil outlet A (14a), a first oil outlet B (14B), a second oil outlet A (15a), a second oil outlet B (15B), a third oil outlet A (16a) and a third oil outlet B (16B).