Stackable quick valve block combination

Abstract

The utility model discloses a stackable quick valve block combination, which comprises a bottom plate and a plurality of stacked valve blocks, the bottom plate is a mother block, the stacked valve blocks are sub blocks, the bottom plate is fixedly mounted at the end part after the stacked valve blocks are stacked, at least one electromagnetic reversing valve or an inserting type one-way valve is mounted on each stacked valve block, and the electromagnetic reversing valves or the inserting type one-way valves are fixedly mounted on the bottom plate. And the electromagnetic directional valve or the plug-in one-way valve is a control valve. The plate-type hydraulic valve has the working function of a plate-type hydraulic valve, the valve body has the function of a channel body, an integrated hydraulic system is formed, connecting bodies in other forms are not needed, and therefore the plate-type hydraulic valve is compact in structure, small in size and small in leakage loss and pressure loss of the system, assembling can be carried out only by drawing a schematic diagram of a sandwich valve type hydraulic system in the design, and the cost is low. Therefore, the design workload is small, a hydraulic system is convenient and flexible to change, convenient to repair and check, easy to maintain and capable of being produced in batches, and the single-piece cost can be reduced due to the high standardization and integration degree.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic equipment, in particular to a stackable quick valve block combination. Background Art

[0002] Hydraulic oil blocks are widely used in many fields such as automobiles, aerospace, engineering machinery, and shipbuilding. They are of great significance for improving equipment performance and extending service life.

[0003] Traditional oil circuit blocks require more pipe connections in the hydraulic system, which may lead to more leakage points and pressure loss. The design workload is large and the processing is complex. The system cannot be modified at will. Due to the high design and processing requirements, the unit cost is high and it is not suitable for single-piece small-batch production. Maintenance and modification may be more complicated and costly.

[0004] Therefore, we propose a stackable quick valve block combination to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a stackable quick valve block assembly to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a stackable quick valve block combination, comprising: a base plate and a stacked valve block, wherein the base plate is a mother block, the stacked valve block is a child block, and a plurality of stacked valve blocks are provided. After the stacked valve blocks are stacked, the base plate is fixedly mounted at the end, and at least one electromagnetic reversing valve or plug-in check valve is installed on the stacked valve block, and the electromagnetic reversing valve or plug-in check valve is a control valve.

[0007] Preferably, the base plate is provided with a mother block sealing surface, the mother block sealing surface is connected to the superimposed valve block, the mother block sealing surface is provided with a connecting oil channel and a threaded hole, and the two surfaces adjacent to the base plate and the mother block sealing surface are provided with a main oil circuit P port oil inlet, a main oil circuit T port oil return port and a T port oil return port process hole, and the T port oil return port process hole is a spare oil return hole.

[0008] Preferably, the connecting oil passage is provided with two oil inlets connected to the main oil circuit P port and the main oil circuit T port oil return port respectively, and the main oil circuit T port oil return port is connected to the T port oil return port process hole.

[0009] Preferably, the superimposed valve block includes a sub-block connecting sealing surface and a superimposed valve NG06 standard mounting surface. There are two sub-block connecting sealing surfaces, which are symmetrical surfaces. The superimposed valve block is provided with two sub-block oil passages. The sub-block oil passages are connected to the connecting oil passage or the sub-block oil passage of another superimposed valve block. The sub-block oil passage of the superimposed valve block at the end is a G hole. Sealing rings are provided at the joints between the sub-block oil passage and the connecting oil passage, and at the joints between the sub-block oil passages of the two superimposed valve blocks.

[0010] Preferably, two sub-block working oil ports are provided on the other side surface of the superimposed valve block adjacent to the sub-block connection sealing surface, and the two sub-block working oil ports are respectively connected to the two sub-block oil passages.

[0011] Preferably, the other two sides of the superimposed valve block are further provided with a sub-block side pressure measuring hole and a sub-block main P port, and the sub-block main P port is installed with a plug-in one-way valve.

[0012] Preferably, the standard mounting surface of the superimposed valve NG06 is connected to the electromagnetic reversing valve.

[0013] Preferably, a sub-block mounting and fixing hole penetrating the sub-block connection sealing surface is provided in the superimposed valve block, the sub-block mounting and fixing hole is butted against the threaded hole, and bolts pass through the sub-block mounting and fixing hole and the threaded hole.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. By directly stacking several valve plates on the bottom plate, it has the working function of a plate-type hydraulic valve. The valve body itself also functions as a channel body. The upper and lower mounting surfaces can be connected in a stacked manner without pipes to form an integrated hydraulic system. No other forms of connectors are required. Therefore, the structure is compact, the volume is small, and the leakage loss and pressure loss of the system are small.

[0016] 2. The base plate and superimposed valve are both standardized components. During the design, it is only necessary to draw the schematic diagram of the superimposed valve hydraulic system before assembly. Therefore, the design workload is small, the hydraulic system is convenient and flexible to change, easy to repair and inspect, easy to maintain, and can be mass-produced. Due to its high degree of standardization and integration, the cost per unit can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a partial structural disassembly diagram of the utility model;

[0019] Figure 3 This is a schematic structural diagram of the bottom plate of the utility model;

[0020] Figure 4 For this utility model Figure 3 posterior and lateral elevational view;

[0021] Figure 5 This is a schematic structural diagram of the superimposed valve block in the present utility model;

[0022] Figure 6 For this utility model Figure 5 rear view.

[0023] In the figure: 1. Base plate; 11. Sealing surface of mother block; 12. Connecting oil channel; 13. Threaded hole; 14. Oil inlet of main oil circuit P port; 15. Oil return port of main oil circuit T port; 16. Process hole of T port oil return port; 2. Sealing ring; 3. Superimposed valve block; 31. Connecting sealing surface of sub-block; 32. Mounting and fixing hole of sub-block; 33. Oil channel of sub-block; 34. Working oil port of sub-block; 35. Standard mounting surface of superimposed valve NG06; 36. Pressure measuring hole on the side of sub-block; 37. Main P port of sub-block; 4. Plug-in check valve; 5. Solenoid reversing valve. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-6 The utility model provides a technical solution: a stackable quick valve block combination, including: a base plate 1 and a stacked valve block 3, the base plate 1 is a mother block, the stacked valve block 3 is a child block, and there are several stacked valve blocks 3. After the stacked valve blocks 3 are stacked, the base plate 1 is fixedly installed at the end. At least one electromagnetic reversing valve 5 or plug-in check valve 4 is installed on the stacked valve block 3 to form an integrated oil circuit system. The electromagnetic reversing valve 5 or the plug-in check valve 4 is a control valve.

[0026] The base plate 1 is provided with a mother block sealing surface 11, which is connected to the superimposed valve block 3. The mother block sealing surface 11 is provided with a connecting oil passage 12 and a threaded hole 13. The two surfaces of the base plate 1 adjacent to the mother block sealing surface 11 are provided with a main oil circuit P port oil inlet 14, a main oil circuit T port oil return port 15 and a T port oil return port process hole 16. The T port oil return port process hole 16 serves as a spare oil return hole.

[0027] The connecting oil passage 12 is provided with two oil inlets 14 connected to the main oil circuit P port and the main oil circuit T port oil return port 15 respectively. The main oil circuit T port oil return port 15 is connected to the T port oil return port process hole 16. The hydraulic oil enters the base plate 1 through the main oil circuit P port oil inlet 14, then flows to the superimposed valve block 3 from one connecting oil passage 12, and then returns from the other connecting oil passage 12, and returns from the main oil circuit T port oil return port 15 or the T port oil return port process hole 16. The threaded hole 13 is used for fixing the through bolt to the superimposed valve block 3.

[0028] The superimposed valve block 3 includes a sub-block connection sealing surface 31 and a superimposed valve NG06 standard installation surface 35. The sub-block connection sealing surface 31 and the superimposed valve NG06 standard installation surface 35 are two adjacent surfaces. There are two sub-block connection sealing surfaces 31, and they are symmetrical surfaces, which are used to connect to the base plate 1 or other superimposed valve blocks 3. The superimposed valve block 3 is provided with two sub-block oil passages 33. When the superimposed valve block 3 is connected to the base plate 1, the sub-block oil passage 33 is connected to the connecting oil passage 12. When the superimposed valve blocks 3 are stacked, the sub-block oil passages 33 of the two superimposed valve blocks 3 are connected to each other. When the superimposed valve blocks 3 are not stacked, the sub-block oil passages 33 are G holes. The junctions between the sub-block oil passages 33 and the connecting oil passage 12 and the junctions between the sub-block oil passages 33 of the two superimposed valve blocks 3 are provided with sealing rings 2 to form a sealed oil circuit.

[0029] Two sub-block working oil ports 34 are provided on the other side of the superimposed valve block 3 adjacent to the sub-block connection sealing surface 31, namely A and B holes. The two sub-block working oil ports 34 are respectively connected to the two sub-block oil channels 33 for connecting the working components to drive them to work.

[0030] The other two sides of the superimposed valve block 3 are also provided with a sub-block side pressure measuring hole 36 and a sub-block main P port 37. The sub-block side pressure measuring hole 36 can measure the pressure of the working oil at port A. The sub-block main P port 37 is installed with a plug-in one-way valve 4 to prevent oil leakage in the oil circuit.

[0031] The standard mounting surface 35 of the superimposed valve NG06 is used for docking with the electromagnetic reversing valve 5 .

[0032] The superimposed valve block 3 is provided with a sub-block mounting hole 32 penetrating the sub-block connection sealing surface 31 . The sub-block mounting hole 32 is docked with the threaded hole 13 , and the base plate 1 and the superimposed valve block 3 are fixedly connected by through bolts.

[0033] Working principle: An integrated hydraulic system is formed by stacking several stacked valve blocks 3 on the base plate 1. The stacked valve blocks 3 are stacked and connected without pipes, and no other form of connector is used. Therefore, the structure is compact and the volume is small. The leakage loss and pressure loss of the system are small. Since the stacked valve is a standardized component, it is only necessary to draw the schematic diagram of the stacked valve hydraulic system in the design before assembly can be carried out. Therefore, the design workload is small, the hydraulic system is convenient and flexible to change, easy to repair and inspect, easy to maintain, and suitable for mass production. Due to its high degree of standardization and integration, the cost per piece can be reduced.

[0034] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stackable quick valve block assembly, comprising: A base plate (1) and a stacked valve block (3), characterized in that: the base plate (1) is a master block, the stacked valve block (3) is a sub-block, and a plurality of stacked valve blocks (3) are provided. After the stacked valve blocks (3) are stacked, the base plate (1) is fixedly mounted at the end, and at least one electromagnetic reversing valve (5) or plug-in check valve (4) is mounted on the stacked valve block (3), and the electromagnetic reversing valve (5) or plug-in check valve (4) is a control valve; The base plate (1) is provided with a mother block sealing surface (11), the mother block sealing surface (11) is butted against the superimposed valve block (3), a connecting oil passage (12) and a threaded hole (13) are provided on the mother block sealing surface (11), and two surfaces of the base plate (1) adjacent to the mother block sealing surface (11) are provided with a main oil circuit P port oil inlet (14), a main oil circuit T port oil return port (15) and a T port oil return port process hole (16), wherein the T port oil return port process hole (16) is a spare oil return hole.

2. A stackable quick valve block assembly according to claim 1, characterized in that: The connecting oil passage (12) is provided with two oil inlets (14) respectively connected to the main oil circuit P port and the main oil circuit T port oil return port (15), and the main oil circuit T port oil return port (15) is connected to the T port oil return port process hole (16).

3. The stackable quick valve block assembly according to claim 1, characterized in that: The stacking valve block (3) comprises a sub-block connection sealing surface (31) and a stacking valve NG06 standard mounting surface (35). The sub-block connection sealing surfaces (31) are provided with two and are symmetrical surfaces. The stacking valve block (3) is provided with two sub-block oil passages (33). The sub-block oil passages (33) are connected to the connection oil passage (12) or the sub-block oil passage (33) of another stacking valve block (3). The sub-block oil passage (33) of the stacking valve block (3) at the end is a G hole. The connection between the sub-block oil passage (33) and the connection oil passage (12) and the connection between the sub-block oil passages (33) of the two stacking valve blocks (3) are provided with sealing rings (2).

4. A stackable quick valve block assembly according to claim 3, characterized in that: Two sub-block working oil ports (34) are provided on the other side of the superimposed valve block (3) adjacent to the sub-block connection sealing surface (31), and the two sub-block working oil ports (34) are respectively connected to the two sub-block oil passages (33).

5. The stackable quick valve block assembly according to claim 4, characterized in that: The other two sides of the superimposed valve block (3) are further provided with a sub-block side pressure measuring hole (36) and a sub-block main P port (37), and the sub-block main P port (37) is installed with a plug-in check valve (4).

6. The stackable quick valve block assembly according to claim 3, characterized in that: The stacking valve NG06 standard mounting surface (35) is connected to the electromagnetic reversing valve (5).

7. The stackable quick valve block assembly according to claim 3, characterized in that: The superimposed valve block (3) is provided with a sub-block mounting hole (32) penetrating the sub-block connection sealing surface (31), the sub-block mounting hole (32) is butted against the threaded hole (13), and bolts penetrate through the sub-block mounting hole (32) and the threaded hole (13).

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