CN217761511U

CN217761511U - Valve block, multi-way valve and hydraulic system

Info

Publication number: CN217761511U
Application number: CN202221770907.2U
Authority: CN
Inventors: 尹铁军; 邹卫
Original assignee: Hunan Kaienli Hydraulic Machinery Manufacturing Co ltd
Current assignee: Hunan Kaienli Hydraulic Machinery Manufacturing Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-08
Anticipated expiration: 2032-07-06

Abstract

The utility model provides a valve block, which is used on a multi-way valve, and comprises an overflow valve arranged at one end or two ends and a plurality of communicated working ports arranged on the valve block, wherein a plurality of communicated oil ports are also arranged on the side surface of the valve block; the valve plate further comprises a valve block and an electromagnetic valve arranged on the valve block, and a movable valve core is further arranged in the valve block. The valve block of this structure through set up the hydraulic fluid port that a plurality of can communicate and can communicate on the valve block to set up mobilizable case in the valve block, its commonality and interchangeability are better, and during the use, its structure is comparatively simple, and adjacent valve block need not to superpose together, and the snap-on just can use on predetermined bottom plate, and non-deformable and card valve, installation and dismantlement are all comparatively convenient. Furthermore, the utility model discloses still provide a multiple unit valve and hydraulic system including above-mentioned valve block.

Description

Valve block, multi-way valve and hydraulic system

Technical Field

The utility model relates to a hydraulic machine field, in particular to valve block, multiple unit valve and hydraulic system.

Background

With the continuous progress of science and technology, various types of hydraulic valves are more and more commonly used in various engineering machines.

Various types of hydraulic valves that adopt at present, for example multiple unit valve etc. form by the polylith valve block stack usually, in the use, receive the influence of factors such as pressure oil impact to and connect improper, lead to the valve block to warp easily, consequently, appear card valve scheduling problem easily. Secondly, the double-valve-plate superposed connection mode requires independent connection of the interconnected valve plates, so that the mounting and dismounting efficiency is low. In addition, the valve blocks stacked on each other have the problem of inconsistent structure, which results in higher production and use costs.

In summary, how to provide a valve plate with simple structure, uneasy deformation, convenient valve clamping, convenient assembly and disassembly, and low production and use cost, and a multi-way valve and a hydraulic system comprising the valve plate, which are the technical problems that the technical personnel in the field need to solve urgently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the valve block is simple in structure, not prone to deformation, convenient to clamp the valve, convenient to install and disassemble and low in production and use cost, and the multi-way valve and the hydraulic system comprising the valve block are provided.

The utility model discloses a solution is realized like this: the utility model provides a valve block, which is used on a multi-way valve, the valve block comprises an overflow valve arranged at one end or two ends and a plurality of communicated working ports arranged on the valve block, and a plurality of communicated oil ports are also arranged on the side surface of the valve block; the valve plate further comprises a valve block and an electromagnetic valve arranged on the valve block, and a movable valve core is further arranged in the valve block. The valve block of this structure through set up the hydraulic fluid port that a plurality of can communicate and can communicate on the valve block to set up mobilizable case in the valve block, its commonality and interchangeability are better, and during the use, its structure is comparatively simple, and adjacent valve block need not to superpose together, and the snap-on just can use on predetermined bottom plate, and non-deformable and card valve, installation and dismantlement are all comparatively convenient.

The utility model discloses an another technical scheme lies in on above-mentioned basis, a plurality of still be equipped with the sealing washer of sealed effect, a plurality of on the hydraulic fluid port respectively hydraulic fluid port one side still is equipped with a plurality of connecting hole.

The utility model discloses an another technical scheme lies in on above-mentioned basis, the quantity of hydraulic fluid port is 4 to 8, the hydraulic fluid port can with the case intercommunication, the material of sealing washer is plastics or rubber.

The other technical proposal of the utility model is that on the basis of the above, the number of the oil ports is 6; the electromagnetic valve is a three-position six-way or two-position six-way electromagnetic reversing valve.

Another technical scheme of the utility model lies in on the above-mentioned basis, the working port includes first working port, and with the relative second working port that sets up of first working port, first working port and second working port respectively with the case intercommunication.

On the basis, one end of the valve core is also provided with a first driving piece, one end of the first driving piece is abutted against one end of the valve core, and the valve core can be driven to move when the first driving piece moves; the other end of the valve core is also provided with a second driving part, one end of the second driving part is abutted against the other end of the valve core, and the second driving part can drive the valve core to move when moving.

Another technical scheme of the utility model lies in on above-mentioned basis, first driving piece includes first ejector pin, the one end of first ejector pin support hold in the one end of case, the cover is equipped with first spring on the first ejector pin.

Another technical solution of the present invention is that, on the basis of the above, the second driving member includes a second ejector pin arranged opposite to the first ejector pin, one end of the second ejector pin abuts against the other end of the valve core, and a second spring is sleeved on the second ejector pin; and gaskets are respectively arranged at two ends of the valve core.

On the other hand, the utility model also provides a multi-way valve, including bottom plate and a plurality of detachably set up in valve block on the bottom plate, the valve block is as above arbitrary the valve block.

Finally, the utility model discloses still provide a hydraulic system, including valve block or multiple unit valve, the valve block is as above arbitrary the valve block, the multiple unit valve is as above the multiple unit valve.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

FIG. 1 is a schematic structural view of a valve plate according to the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic structural view of a side surface of the valve plate in FIG. 1;

fig. 4 is a working principle diagram of the valve plate in fig. 1.

The corresponding relation of the reference signs is as follows:

1 valve block 2 valve core 3 first gasket

4 first spring 5 first driving piece 6 sealing ring

7 oil port 8 connecting hole 9 connecting piece

10 first working port 11 second working port 12 first overflow valve

13 second overflow valve 14 second spring 15 second driving member

16 second gasket 17 first ram 18 second ram

Detailed Description

The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, those skilled in the art can combine features from the embodiments in this document and from different embodiments accordingly, based on the description in this document.

The embodiment of the utility model provides a as follows, please refer to the valve block that fig. 1 to fig. 4 show for on the multiple unit valve, the valve block specifically is the first overflow valve 12 of left end and the second overflow valve 13 on the right including setting up in the overflow valve at one end or both ends to and set up the work mouth that a plurality of on the valve block can communicate, the side of valve block still is equipped with the hydraulic fluid port 7 that a plurality of can communicate. The valve plate further comprises a valve block 1 and an electromagnetic valve arranged in the valve block 1, and a movable valve core 2 is further arranged in the valve block 1. The valve block of this structure, through set up the hydraulic fluid port 7 that a plurality of can communicate and can communicate on the valve block to set up mobilizable case 2 in the valve block 1, its commonality and interchangeability are better, and during the use, its structure is comparatively simple, and adjacent valve block need not to superpose together, and the snap-on just can use on predetermined bottom plate, and non-deformable and card valve, installation and dismantlement are all comparatively convenient.

On the basis of above-mentioned embodiment, the utility model discloses in another embodiment, as shown in fig. 1, the even interval of a plurality of hydraulic fluid port 7 sets up, still is equipped with sealing washer 6, a plurality of respectively in every hydraulic fluid port 7 one side still is equipped with a plurality of connecting hole 8, during the use, through connecting hole 8 and the installed part that sets up in connecting hole 8, can link together adjacent valve block to realize the intercommunication of a plurality of hydraulic fluid port 7.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the number of the oil ports 7 is preferably between 4 and 8, and a plurality of the oil ports 7 can be communicated with the valve core 2. The seal ring 6 is preferably circular ring-shaped, and the material thereof is preferably plastic or rubber.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the number of the oil ports 7 is preferably 6. For the solenoid valve, a three-position three-way solenoid directional valve is preferable.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, the working ports specifically include a first working port 10 and a second working port 11 disposed opposite to the first working port 10, and the first working port 10 and the second working port 11 are respectively communicated with the valve core 2. A plurality of connecting pieces 9 for connection are arranged around the first working opening 10 and the second working opening 11, and the connecting pieces 9 can be screw connecting pieces such as bolts or screws.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, one end of the valve core 2, i.e. the left end shown in fig. 2, is further provided with a first driving member 5, one end of the first driving member 5, i.e. the right end shown in fig. 2, is supported against one end of the valve core 2, i.e. the left end shown in fig. 2, and when the first driving member 5 moves, the valve core 2 can be driven to move. The other end of the valve core 2, i.e. the right end shown in fig. 2, is further provided with a second driving member 15, one end of the second driving member 15, i.e. the left end shown in fig. 2, abuts against one end of the valve core 2, i.e. the right end shown in fig. 2, and when the second driving member 15 moves, the valve core 2 can be driven to move.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the first driving member 5 includes a first plunger 17, one end of the first plunger 17, i.e. the right end shown in the figure, abuts against one end of the valve core 2, i.e. the left end shown in the figure, the first plunger 17 is sleeved with a first spring 4, and when the first plunger 17 moves to the right, the first spring 4 is squeezed.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the second driving member 15 includes a second push rod 18 disposed opposite to the first push rod 17, the second push rod 18 is identical to the first push rod 17 in structure, one end of the second push rod 18, namely, the left end shown in the figure is abutted to the other end of the valve core 2, namely, the right end shown in the figure, the second push rod 18 is sleeved with a second spring 14 identical to the first spring 4, when the second push rod 18 moves to the left, the second spring 14 is extruded, and the two ends of the valve core 2 are further respectively provided with a first gasket 3 and a second gasket 16.

As shown in fig. 4, the port a and the port B correspond to the first working port 10 and the second working port 11, respectively, the port p is a pressure port, and the port T is an oil return port, which can be referred to in the prior art and its modified technology, and will not be described herein again. It should be noted that the electrically controlled load multi-way valve may be controlled in proportion or in an on-off manner. The function of the middle position is not limited to the schematic diagram, and other functions can be realized, and the valve plate can be controlled by a single head or a double head.

The valve block with the structure has the advantages that the plurality of work ports which can be communicated and the oil ports 7 which can be communicated are arranged on the valve block, the movable valve core 2 is arranged in the valve block 1, the universality and interchangeability are good, the structure is relatively simple during use, the adjacent valve blocks are not required to be superposed together and can be directly fixed on a preset bottom plate, the valve block is not easy to deform and clamp, the valve block is convenient to mount and dismount, and the production cost and the use cost are lower.

On the other hand, the utility model discloses still provide a multiple unit valve, including bottom plate and a plurality of detachably set up in valve block on the bottom plate, as shown in figure 1 and figure 3, the valve block is as above the valve block.

Thirdly, the utility model discloses still provide a hydraulic system, more specifically including valve block or multiple unit valve, the valve block is as above the valve block, the multiple unit valve is as above the multiple unit valve.

The multi-way valve and the hydraulic system with the structure have the advantages of the valve plate correspondingly.

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 decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A valve block is used on a multi-way valve and is characterized in that the valve block comprises overflow valves arranged at one end or two ends and a plurality of working ports which are arranged on the valve block and can be communicated, and a plurality of oil ports which can be communicated are also arranged on the side surface of the valve block;

the valve plate further comprises a valve block and an electromagnetic valve arranged in the valve block, and a movable valve core is further arranged in the valve block.

2. The valve plate of claim 1, wherein the oil ports are respectively provided with a sealing ring for sealing, and one side of the oil ports are provided with a plurality of connecting holes.

3. The valve sheet of claim 2, wherein the number of the oil ports is 4 to 8, the oil ports can be communicated with the valve core, and the sealing ring is made of plastic or rubber.

4. The valve sheet of claim 3, wherein the number of the oil ports is 6; the electromagnetic valve is a three-position six-way or two-position six-way electromagnetic directional valve.

5. The valve plate of claim 4, wherein the working ports comprise a first working port and a second working port disposed opposite the first working port, the first and second working ports being in communication with the valve spool, respectively.

6. The valve plate of claim 5, wherein one end of the valve core is further provided with a first driving member, one end of the first driving member abuts against one end of the valve core, and the first driving member can drive the valve core to move when moving;

the other end of the valve core is also provided with a second driving piece, one end of the second driving piece is abutted against the other end of the valve core, and the second driving piece can drive the valve core to move when moving.

7. The valve plate of claim 6, wherein the first driving member comprises a first plunger, one end of the first plunger abuts against one end of the valve core, and the first plunger is sleeved with a first spring.

8. The valve plate of claim 7, wherein the second driving member includes a second plunger opposite to the first plunger, one end of the second plunger abuts against the other end of the valve element, and a second spring is sleeved on the second plunger;

and gaskets are respectively arranged at two ends of the valve core.

9. A multiway valve, comprising a bottom plate and a plurality of valve plates detachably arranged on the bottom plate, wherein the valve plates are the valve plates of any one of claims 1 to 8.

10. A hydraulic system comprising a valve plate or a multi-way valve, wherein the valve plate is the valve plate of any one of claims 1 to 8, and the multi-way valve is the multi-way valve of claim 9.