Plug-in type directional control valve

Abstract

The utility model relates to the technical field of direction control valves, and discloses a plug-in mounting type direction control valve which comprises a bottom plate, the top of the bottom plate is connected with a valve box in a sliding mode, a plurality of first springs are fixedly connected in the bottom plate, a connecting column is fixedly connected in the bottom plate, and the outer portion of the connecting column is connected with a connecting block in a sliding mode. A circular clamping block is fixedly connected to the top of the connecting column, two check blocks are fixedly connected to the left side and the right side of the interior of the valve box, second springs are fixedly connected to the close sides of the two check blocks, and trapezoidal clamping blocks are fixedly connected to the close sides of the two second springs. The valve box is kept in close contact through the first spring, the box valve downwards extrudes the first spring, the trapezoidal clamping block extrudes the connecting block to move, the connecting block moves along the connecting column and downwards drives the connecting block to be clamped, the trapezoidal clamping block is promoted to slide along the check block, and the valve box is pulled to drive the connecting block to move upwards so that the box valve can be taken out.

Description

Technical Field

[0001] The utility model relates to the technical field of directional control valves, in particular to a cartridge-type directional control valve. Background Technique

[0002] The cartridge-type directional control valve is an important component in a hydraulic system. It mainly consists of a cartridge-type component and a valve cover with a pilot passage. The design of this valve enables it to form a system for controlling direction, flow rate, and pressure according to the requirements of the circuit. The cartridge-type directional control valve is particularly suitable for systems with high pressure, large flow rate, and low pressure loss, and can achieve high-speed switching and shock-free operation.

[0003] Some valves are not detachable. Non-detachable valves are difficult to inspect and clean internally, which may lead to potential problems not being discovered and solved in a timely manner. When the valve is damaged or parts need to be replaced, the non-detachable design will increase the complexity and cost of maintenance. The sealing performance of the valve decreases due to long-term use, and the non-detachable valve causes leakage, increasing safety hazards. Therefore, a cartridge-type directional control valve is proposed to solve the above problems. Content of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides a cartridge-type directional control valve, aiming to improve the problems in the prior art that non-detachable valves seriously affect the reliability and economy of system operation due to inconvenient maintenance, high replacement cost, and increased safety hazards.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The cartridge-type directional control valve includes a bottom plate. A valve box is slidably connected to the top of the bottom plate. A plurality of first springs are fixedly connected inside the bottom plate. A connecting column is fixedly connected inside the bottom plate. A connecting block is slidably connected to the outside of the connecting column. A circular clamping block is fixedly connected to the top of the connecting column. Two blocking blocks are fixedly connected to the left and right sides inside the valve box. A second spring is fixedly connected to the adjacent side of each of the two blocking blocks. A trapezoidal clamping block is fixedly connected to the adjacent side of each of the two second springs. A pressure-reducing component for decompression is fixedly connected inside the valve box;

[0007] As a further description of the above technical solution:

[0008] The voltage reducing component includes a first water pipe. Two fixing columns are fixedly connected inside the first water pipe. A connection box is fixedly connected to the side of the camera of the two fixing columns. Two third springs are fixedly connected to the left side inside the connection box. A connecting plate is fixedly connected to the right sides of the two third springs. Two connecting rods are fixedly connected to the right side of the connecting plate. A baffle is fixedly connected to the right sides of the two connecting rods. A longitudinal pipe is fixedly connected to the left side of the baffle. Two second water pipes are fixedly connected to the left side of the longitudinal pipe. A two-way valve is slidably connected inside the longitudinal pipe;

[0009] As a further description of the above technical solution:

[0010] The tops of the multiple first springs are in contact with the bottom of the valve box, and a groove is formed inside the valve box;

[0011] As a further description of the above technical solution:

[0012] The tops of the two trapezoidal blocks are slidably connected to the bottom of the circular block, and the adjacent sides of the two trapezoidal blocks are in contact with the outside of the connecting column;

[0013] As a further description of the above technical solution:

[0014] The adjacent sides of the two trapezoidal blocks are in contact with the outside of the connecting block, and the outside of the two trapezoidal blocks is slidably connected inside the valve box;

[0015] As a further description of the above technical solution:

[0016] The outside of the connecting block slides on the top of the valve box, and a card slot is formed inside the connection box;

[0017] As a further description of the above technical solution:

[0018] The outside of the connecting plate is slidably connected inside the connection box;

[0019] As a further description of the above technical solution:

[0020] A groove is formed inside the bottom plate, and the connecting rod is slidably connected to the right side of the connection box.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present utility model, the valve box is kept in close contact through the first spring. The box valve presses down the first spring, and the trapezoidal block presses the connecting block to move. The connecting block moves along the connecting column, driving the connecting block downward to engage with each other, causing the trapezoidal block to slide along the stop block. Pulling the valve box drives the connecting block to move upward to take out the box valve, thereby improving the maintenance efficiency and reducing the long-term operation cost, achieving the effect of regular maintenance and component replacement.

[0023] 2. In the present utility model, the baffle is kept in the initial position through the third spring. The fluid mainly flows through the first water pipe, and the pressure acts on the baffle, squeezing the connecting rod, and then squeezing the connecting plate. The force of the third spring buffers, thereby reducing the damage of the pipeline and equipment, and in the long run, achieving the effect of reducing the cost of maintenance and component replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a perspective view of the cartridge type directional control valve proposed by the present utility model;

[0025] Figure 2 is a schematic structural diagram of the connecting column of the cartridge type directional control valve proposed by the present utility model;

[0026] Figure 3 is a schematic structural diagram of the first water pipe of the cartridge type directional control valve proposed by the present utility model;

[0027] Figure 4 is Figure 3 an enlarged view of part A in

[0028] Figure 5 is a schematic structural diagram of the two-way valve of the cartridge type directional control valve proposed by the present utility model.

[0029] LEGEND DESCRIPTION:

[0030] 1. Bottom plate; 2. Valve box; 3. First spring; 4. Connecting column; 5. Connecting block; 6. Circular block; 7. Stop block; 8. Second spring; 9. Trapezoidal block; 10. First water pipe; 11. Fixed column; 12. Connecting box; 13. Card slot; 14. Third spring; 15. Connecting plate; 16. Connecting rod; 17. Baffle; 18. Longitudinal pipe; 19. Second water pipe; 20. Two-way valve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Reference Figure 1 、 Figure 2 As an embodiment provided by the present utility model: an insert type direction control valve, which includes a bottom plate 1. The bottom plate 1 is the basis of the entire valve, used to fix and support other components. A valve box 2 is slidably connected to the top of the bottom plate 1. The valve box 2 contains multiple components for controlling fluid channels. Multiple first springs 3 are fixedly connected inside the bottom plate 1. The first springs 3 are used to provide a pre-tightening force to ensure that the connecting block 5 remains in close contact with the connecting column 4 when there is no external force, which helps to stabilize the position of the valve box 2. A connecting column 4 is fixedly connected inside the bottom plate 1, serving as a guide for the movement of the connecting block 5 to ensure its linear motion. At the same time, a circular block 6 at the top of the connecting column 4 cooperates with a trapezoidal block 9 inside the valve box 2 to achieve the positioning of the valve box 2. A connecting block 5 is slidably connected to the outside of the connecting column 4. Furthermore, through the cooperation of the circular block 6 and the trapezoidal block 9, the position of the valve box 2 is changed.

[0033] A circular block 6 is fixedly connected to the top of the connecting column 4, which cooperates with the trapezoidal block 9 to achieve the switching of the position of the valve box 2. Two stop blocks 7 are fixedly connected to the left and right sides inside the valve box 2. A second spring 8 is fixedly connected to the adjacent side of the two stop blocks 7. The second spring 8 is used to provide a restoring force to keep the trapezoidal block 9 in contact with the circular block 6 when there is no external force. The stop blocks 7 limit the movement range of the trapezoidal block 9. A trapezoidal block 9 is fixedly connected to the adjacent side of the two second springs 8. The trapezoidal block 9 cooperates with the circular block 6. Through the contact between its trapezoidal structure and the circular block 6, the positioning and switching of the valve box 2 are achieved. A pressure reducing component for reducing pressure is fixedly connected inside the valve box 2;

[0034] Reference Figures 2 to 4 The pressure reducing component includes a first water pipe 10, which is the main body of the pressure reducing component. Through its internal structure, the guiding of fluid, the control of pressure, and the flow direction of water flow are realized. Two fixed columns 11 are fixedly connected inside the first water pipe 10. The two fixed columns are fixed inside the first water pipe 10 to provide a stable installation point for the connection box 12. A connection box 12 is fixedly connected to the adjacent side of the two fixed columns 11, providing a stable installation point. Two third springs 14 are fixedly connected to the left side inside the connection box 12. A connecting plate 15 is fixedly connected to the right side of the two third springs 14. The two third springs 14 are fixed to the left side of the connection box 12 to provide a restoring force for the movement of the baffle 17 to ensure that it returns to the initial position when there is no external force for buffering. Two connecting rods 16 are fixedly connected to the right side of the connecting plate 15. A baffle 17 is fixedly connected to the right side of the two connecting rods 16. The connecting plate 15 connects the third springs 14 and the connecting rods 16 to transmit the force of the spring to the baffle 17 for buffering. A longitudinal pipe 18 is fixedly connected to the left side of the baffle 17 to facilitate the flow direction of water flow. Two second water pipes 19 are fixedly connected to the left side of the longitudinal pipe 18. A two-way valve 20 is slidably connected inside the longitudinal pipe 18 to guide the water flow to different pipes.

[0035] Reference Figure 4 、 Figure 5 The tops of multiple first springs 3 are in contact with the bottom of the valve box 2. The tops of multiple groups of first springs 3 are in contact with the bottom of the valve box 2 to provide a pre-tightening force, ensuring that the valve box 2 and the connecting column 4 maintain stable contact without external force. A groove is provided inside the valve box 2 for accommodating and guiding the sliding of the trapezoidal block 9, as well as the guiding movement of the connecting column 4 and the connecting block 5. The tops of two trapezoidal blocks 9 are slidably connected to the bottom of the circular block 6. The adjacent sides of the two trapezoidal blocks 9 are in contact with the outside of the connecting column 4 and the outside of the connecting block 5. Through cooperation with the circular block 6, the valve box 2 can be disassembled. The adjacent sides of the two trapezoidal blocks 9 are in contact with the outside of the connecting column 4 and are engaged and fixed. The adjacent sides of the two trapezoidal blocks 9 are in contact with the outside of the connecting block 5 to disassemble the valve box 2. The outside of the two trapezoidal blocks 9 is slidably connected inside the valve box 2. The outside of the connecting block 5 slides on the top of the valve box 2. A clamping groove 13 is provided inside the connecting box 12. The clamping groove 13 inside the connecting box 12 is used for fixing and guiding the sliding of the connecting plate 15, further controlling the movement of the connecting block 5, and indirectly affecting the switching of the trapezoidal block 9 and the valve box 2. The outside of the connecting plate 15 is slidably connected inside the connecting box 12. When the water pressure is too high, the connecting plate 15 buffers to prevent damage to the object. A groove is provided inside the bottom plate 1, and the connecting rod 16 is slidably connected to the right side of the connecting box 12.

[0036] Working principle: First, the first spring 3 keeps the valve box 2 in close contact, so that the valve box 2 maintains a stable position. When an external force acts on it, the valve box 2 presses down on the first spring 3, and the trapezoidal block 9 presses the connecting block 5 to move. The connecting block 5 moves along the connecting column 4, driving the connecting block 5 downward to engage, prompting the trapezoidal block 9 to slide along the stop block 7, pulling the valve box 2 to drive the connecting block 5 to move upward to take out the box valve. The detachable design allows users to easily disassemble and assemble the valve, facilitating internal inspection, cleaning, and replacement of worn parts, thereby improving maintenance efficiency and reducing long-term operating costs. By regularly maintaining and replacing parts, the detachable valve can reduce wear caused by long-term use, thus extending the overall service life.

[0037] Secondly, spring three 14 keeps the baffle 17 in the initial position. The fluid mainly flows through water pipe one 10. When the system pressure exceeds the set value, the pressure acts on the baffle 17, squeezing the connecting rod 16, and then squeezing the connecting plate 15. The force of spring three 14 provides buffering, causing the baffle 17 to move towards water pipe one 10. The fluid enters water pipe two 19 through the longitudinal pipe 18, achieving pressure release and system protection. The restoring force of spring three 14 ensures that when the pressure returns to normal, the baffle 17 returns to the initial position and the system resumes normal operation. Reducing excessive water pressure can reduce damage and leakage of pipes, valves, and connectors caused by excessive pressure, thereby reducing damage to pipes and equipment and, in the long run, reducing the cost of maintenance and component replacement.

[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. Insertion type direction control valve, including a bottom plate (1), characterized in that: A valve box (2) is slidably connected to the top of the bottom plate (1). A plurality of first springs (3) are fixedly connected to the inside of the bottom plate (1). A connecting column (4) is fixedly connected to the inside of the bottom plate (1). A connecting block (5) is slidably connected to the outside of the connecting column (4). A circular clamping block (6) is fixedly connected to the top of the connecting column (4). Two blocking blocks (7) are fixedly connected to the left and right sides inside the valve box (2). A second spring (8) is fixedly connected to the adjacent side of each of the two blocking blocks (7). A trapezoidal clamping block (9) is fixedly connected to the adjacent side of each of the two second springs (8). A pressure-reducing component for reducing pressure is fixedly connected to the inside of the valve box (2).

2. The cartridge-type direction control valve according to claim 1, wherein: The pressure-reducing component includes a first water pipe (10). Two fixing columns (11) are fixedly connected to the inside of the first water pipe (10). A connecting box (12) is fixedly connected to the adjacent side of each of the two fixing columns (11). Two third springs (14) are fixedly connected to the left side inside the connecting box (12). A connecting plate (15) is fixedly connected to the right side of each of the two third springs (14). Two connecting rods (16) are fixedly connected to the right side of the connecting plate (15). A baffle (17) is fixedly connected to the right side of each of the two connecting rods (16). A longitudinal pipe (18) is fixedly connected to the left side of the baffle (17). Two second water pipes (19) are fixedly connected to the left side of the longitudinal pipe (18). A two-way valve (20) is slidably connected to the inside of the longitudinal pipe (18).

3. The cartridge-type direction control valve according to claim 1, wherein: The tops of the plurality of first springs (3) are in contact with the bottom of the valve box (2). A groove is formed inside the valve box (2).

4. The cartridge-type direction control valve according to claim 1, characterized in that: The tops of the two trapezoidal clamping blocks (9) are slidably connected to the bottom of the circular clamping block (6). The adjacent sides of the two trapezoidal clamping blocks (9) are in contact with the outside of the connecting column (4).

5. The cartridge-type direction control valve according to claim 1, wherein: The adjacent sides of the two trapezoidal clamping blocks (9) are in contact with the outside of the connecting block (5). The outside of the two trapezoidal clamping blocks (9) is slidably connected to the inside of the valve box (2).

6. The cartridge-type direction control valve according to claim 2, characterized in that: The outside of the connecting block (5) slides on the top of the valve box (2). A clamping groove (13) is formed inside the connecting box (12).

7. The cartridge-type direction control valve according to claim 2, characterized in that: The outside of the connecting plate (15) is slidably connected to the inside of the connecting box (12).

8. The cartridge-type direction control valve according to claim 2, wherein: A groove is formed inside the bottom plate (1). The connecting rod (16) is slidably connected to the right side of the connecting box (12).

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