Reset type pneumatic operated directional valve

Abstract

The utility model relates to the technical field of reversing valves, and discloses a reset type pneumatic control reversing valve which comprises two valve bodies, the left side of one valve body is fixedly connected with a water conveying pipe, the top side of one valve body is fixedly connected with a second drainage pipe, and the left side of the other valve body is fixedly connected with a first drainage pipe. The bottom sides of the two valve bodies are fixedly connected with connecting blocks, the bottom sides of the two connecting blocks abut against a first fixing block and a second fixing block respectively, the second fixing block is fixedly connected to the top side of one valve body, and the bottom side of the first fixing block is fixedly connected with a supporting seat. According to the two-way valve, the multiple sliding blocks are inserted into the two connecting blocks respectively, the two connecting blocks can be connected with the first fixing block and the second fixing block respectively, so that the two valve bodies and the supporting base are rapidly connected, the two protective shells can protect the two valve bodies, and the two valve bodies are prevented from being affected by the external environment to be damaged; therefore, the service life of the reversing valve is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of reversing valves, in particular to a reset type gas-controlled reversing valve. Background Art

[0002] The pneumatic reversing valve is a valve device that uses pneumatic principles to control the flow direction of fluid. It controls the movement of the valve core through air pressure signals, thereby changing the flow direction of the fluid in the pipeline. The pneumatic reversing valve is used in hydraulic systems, pneumatic systems and some industrial automation control systems to switch, distribute and control the flow direction of fluids.

[0003] The working principle of the pneumatic reversing valve is to drive the movement of the valve core by controlling the action of the pneumatic actuator, thereby changing the open or closed state of the valve channel, thereby switching or controlling the flow direction of the fluid. This type of valve is widely used in industrial automation and fluid control systems, and is often used in situations where the flow direction of the fluid needs to be frequently switched.

[0004] The existing gas-controlled reversing valve is installed by multiple bolts. Multiple bolts need to be selected during the disassembly and assembly process, resulting in low disassembly and assembly efficiency of the gas-controlled reversing valve. Therefore, a reset type gas-controlled reversing valve is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a reset-type gas-controlled reversing valve, aiming to improve the problem of low disassembly and assembly efficiency of the gas-controlled reversing valve in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A reset type gas controlled reversing valve comprises two valve bodies, wherein a water delivery pipe is fixedly connected to the left side of one of the valve bodies, a drain pipe 2 is fixedly connected to the top side of one of the valve bodies, a drain pipe 1 is fixedly connected to the left side of the other valve body, a connecting block is fixedly connected to the bottom sides of the two valve bodies, a fixing block 1 and a fixing block 2 are respectively abutted and connected to the bottom sides of the two connecting blocks, the fixing block 2 is fixedly connected to the top side of one of the valve bodies, a supporting seat is fixedly connected to the bottom side of the fixing block 1, a connecting shaft is slidably connected to the inside of the two valve bodies, a sealing block is fixedly connected to the top of the connecting shaft, a protective component is arranged on the periphery of the two valve bodies, two sliders are fixedly connected to the top sides of the fixing block 1 and the fixing block 2, a plurality of the sliders are respectively slidably connected to the inside of the two connecting blocks, two protrusions are slidably connected to the inside of the connecting block, one side of the protrusion abuts against a spring 2, the other end of the spring 2 abuts against the inside of the connecting block, and one side of the protrusion is slidably connected to the inside of the slider;

[0008] As a further description of the above technical solution:

[0009] The protection assembly includes two protection shells, which are respectively arranged on the front and rear sides of the two valve bodies, and the right sides of the two protection shells are respectively fixedly connected with two mounting blocks 2 and two mounting blocks 1, and the mounting block 2 is slidably connected with two clamping blocks inside, and one side of the clamping block is fixedly connected with a spring 1, and one end of the spring 1 is fixedly connected inside the mounting block 2;

[0010] As a further description of the above technical solution:

[0011] The top sides of the fixing block 1 and the fixing block 2 are both fixedly connected with sealing rings, and the two sealing rings are respectively slidably connected inside the two connecting blocks;

[0012] As a further description of the above technical solution:

[0013] The front part of the clamping block abuts against the front side of the second mounting block, and the rear part of the clamping block is slidably connected to the inside of the first mounting block;

[0014] As a further description of the above technical solution:

[0015] Two connecting plates are fixedly connected to the rear side of the left portion of one of the protective shells, and the connecting plates are slidably connected to the inside of the other protective shell;

[0016] As a further description of the above technical solution:

[0017] A cylinder is fixedly connected inside the support seat, the top of the cylinder is fixedly connected to the bottom of the connecting shaft, a controller is arranged inside the cylinder, and the controller is electrically connected to the cylinder;

[0018] As a further description of the above technical solution:

[0019] The outer periphery of the cylinder is provided with a spring three, the top end of the spring three is fixedly connected to the bottom end of the connecting shaft, and the bottom end of the spring three is fixedly connected to the inner side of the bottom of the support seat;

[0020] As a further description of the above technical solution:

[0021] A limiting block is fixedly connected inside the bottom end of the connecting shaft, and the limiting block is slidably connected inside the supporting seat.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, a plurality of sliders are respectively inserted into the two connecting blocks, and the two connecting blocks can be respectively connected to the fixed block 1 and the fixed block 2, so that the two valve bodies and the support seat can be quickly connected. The protrusion is pushed by the spring 2 to be inserted into the slider, and the plurality of sliders are fixed in the two connecting blocks to prevent the connection between the two valve bodies and the support seat from loosening.

[0024] 2. In the utility model, the two protective shells can protect the two valve bodies to prevent the two valve bodies from being damaged by the external environment, thereby extending the service life of the reversing valve. The multiple clamping blocks are pushed by the multiple springs so that the rear ends are inserted into the interior of the mounting block, so that the two protective shells are connected to each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a reset-type gas-controlled reversing valve proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a protective shell of a reset-type gas-controlled reversing valve proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of a clamping block of a reset-type gas-controlled reversing valve proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of a valve body of a reset-type gas-controlled reversing valve proposed by the utility model;

[0029] Figure 5 This is a structural schematic diagram of a slider of a reset-type gas-controlled reversing valve proposed by the utility model;

[0030] Figure 6 This is a structural schematic diagram of a sealing block of a reset-type gas-controlled reversing valve proposed by the utility model;

[0031] Figure 7 This is a structural schematic diagram of a connection block of a reset-type gas-controlled reversing valve proposed by the utility model;

[0032] Figure 8 The utility model is a structural schematic diagram of a support seat of a reset type gas-controlled reversing valve.

[0033] Legend:

[0034] 1. Protective shell; 2. Water pipe; 3. Drain pipe 1; 4. Clamp block; 5. Support seat; 6. Mounting block 1; 7. Mounting block 2; 8. Connecting plate; 9. Spring 1; 10. Fixed block 1; 11. Valve body; 12. Fixed block 2; 13. Slider; 14. Sealing ring; 15. Connecting shaft; 16. Sealing block; 17. Connecting block; 18. Bump; 19. Spring 2; 20. Limit block; 21. Spring 3; 22. Cylinder; 23. Drain pipe 2. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 4 , Figure 5 and Figure 7 , the utility model provides an embodiment: a reset type gas controlled reversing valve, including two valve bodies 11, the valve bodies 11 are used to install a water pipe 2, a drain pipe 1 3 and a drain pipe 2 23, one of the valve bodies 11 is fixedly connected to the water pipe 2 on the left side, one of the valve bodies 11 is fixedly connected to the drain pipe 2 23 on the top side, and the other valve body 11 is fixedly connected to the drain pipe 1 3 on the left side, water can enter the reversing valve through the water pipe 2 and can be discharged through the drain pipe 1 3 or the drain pipe 2 23, the bottom sides of the two valve bodies 11 are fixedly connected to a connecting block 17, the bottom sides of the two connecting blocks 17 are respectively abutted and connected with a fixed block 10 and a fixed block 2 12, the fixed block 2 12 is fixedly connected to the top side of one of the valve bodies 11, the bottom side of the fixed block 10 is fixedly connected to a support seat 5, the support seat 5 is used to support the reversing valve, the top sides of the fixed block 10 and the fixed block 2 12 are fixedly connected to two sliders 13, fixed The fixed block 10 and the fixed block 2 12 are used to install the slider 13. The multiple sliders 13 are respectively slidably connected inside the two connecting blocks 17. The slider 13 is inserted into the connecting block 17 to connect the two valve bodies 11 and the support seat 5 to each other. There are two protrusions 18 slidably connected inside the connecting block 17. A spring 2 19 is abutted on one side of the protrusion 18, and the other end of the spring 2 19 abuts on the inside of the connecting block 17. One side of the protrusion 18 is slidably connected inside the slider 13. The spring 2 19 can push the protrusion 18 to move. The protrusion 18 is inserted into the slider 13 to fix the slider 13 inside the connecting block 17 to prevent the connection between the two valve bodies 11 and the support seat 5 from loosening. The top sides of the fixed block 10 and the fixed block 2 12 are fixedly connected with sealing rings 14. The two sealing rings 14 are respectively slidably connected inside the two connecting blocks 17. The two sealing rings 14 are used to enhance the sealing of the connection between the two valve bodies 11 and the support seat 5.

[0037] Reference Figure 1-Figure 3 , a protection component is arranged on the periphery of the two valve bodies 11, and the protection component includes two protection shells 1, which are respectively arranged on the front and rear sides of the two valve bodies 11, and the two protection shells 1 can protect the reversing valve to prevent the reversing valve from being damaged. Two mounting blocks 2 7 and two mounting blocks 1 6 are fixedly connected on the right sides of the two protection shells 1, and two clamping blocks 4 are slidably connected inside the mounting block 2 7. The front part of the clamping block 4 abuts against the front side of the mounting block 2 7, and the rear part of the clamping block 4 is slidably connected inside the mounting block 1 6. The mounting block 2 7 is used to install the clamping block 4, and the rear end of the clamping block 4 is inserted into the mounting block 1 6 to connect the two protection shells 1 to each other. A spring 1 9 is fixedly connected to one side of the clamping block 4, and one end of the spring 1 9 is fixedly connected to the inside of the mounting block 2 7. The spring 1 9 is used to push the clamping block 4 to move. Two connecting plates 8 are fixedly connected to the rear side of the left part of one of the protection shells 1, and the connecting plate 8 is slidably connected to the inside of the other protection shell 1. The connecting plate 8 is inserted into the inside of the protection shell 1 to enhance the stability of the connection between the two protection shells 1.

[0038] Reference Figure 6 and Figure 8 A connecting shaft 15 is slidably connected inside the support seat 5, and the connecting shaft 15 is slidably connected inside the two valve bodies 11. A sealing block 16 is fixedly connected to the top of the connecting shaft 15. The connecting shaft 15 is used to install the sealing block 16 and drive the sealing block 16 to move. The movement of the sealing block 16 can control the switch of the drain pipe 1 3 and the drain pipe 2 23, thereby controlling the flow direction of the water.

[0039] Reference Figure 8 A cylinder 22 is fixedly connected inside the support seat 5, and the top of the cylinder 22 is fixedly connected to the bottom end of the connecting shaft 15. The cylinder 22 is used to drive the connecting shaft 15 to move. A controller is arranged inside the cylinder 22, and the controller is electrically connected to the cylinder 22. The controller is used to control the switch of the cylinder 22. A spring three 21 is sleeved on the outer periphery of the cylinder 22. The top of the spring three 21 is fixedly connected to the bottom end of the connecting shaft 15, and the bottom end of the spring three 21 is fixedly connected to the inner side of the bottom of the support seat 5. The installation of the spring three 21 can enhance the resetting ability of the connecting shaft 15. A limiting block 20 is fixedly connected inside the bottom end of the connecting shaft 15, and the limiting block 20 is slidably connected inside the support seat 5. The installation of the limiting block 20 can make the connecting shaft 15 move smoothly.

[0040] Working principle: before using the reversing valve, assemble the reversing valve first, insert multiple sliders 13 into the two connecting blocks 17 respectively and rotate them. When the slider 13 contacts the protrusion 18, the protrusion 18 will be pushed by the spring 2 19 and insert the protrusion 18 into the slider 13, so that the slider 13 is fixed inside the connecting block 17, thus completing the assembly of the reversing valve. After the water flow is transported into one of the valve bodies 11 through the water pipe 2, the cylinder 22 is started by the controller, and the telescopic end of the cylinder 22 is telescopic and can drive the sealing block 16 to move through the connecting shaft 15. When the sealing block 16 moves downward, the other valve body 11 can be sealed, and the water flow can be discharged through the drain pipe 2 23. When the sealing block 16 moves upward, the drain pipe 23 can be sealed, and the water flow can flow to the inside of the other valve body 11 and be discharged through the drain pipe 1 3, thereby realizing the reversal of the water flow. After closing the cylinder 22, the telescopic end of the cylinder 22 shrinks, driving the sealing block 16 to reset. Installing the spring 3 21 can enhance the reset ability of the connecting shaft 15. Installing two protective shells 1 outside the reversing valve can protect the reversing valve. When installing the two protective shells 1, first insert the two connecting plates 8 into one of the protective shells 1 to preliminarily connect the two protective shells 1, then press the two adjacent clamping blocks 4 to move toward each other, then insert the rear end of the clamping block 4 into the installation block 1 6, then release the clamping block 4, and the clamping block 4 will be pushed by the spring 1 9 to connect the installation block 1 6 with the installation block 2 7, thereby completing the installation of the two protective shells 1.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A reset type gas controlled reversing valve, comprising two valve bodies (11), characterized in that: The left side of one of the valve bodies (11) is fixedly connected to a water pipe (2), the top side of one of the valve bodies (11) is fixedly connected to a drain pipe 2 (23), the left side of the other valve body (11) is fixedly connected to a drain pipe 1 (3), the bottom sides of the two valve bodies (11) are fixedly connected to a connecting block (17), the bottom sides of the two connecting blocks (17) are respectively abutted against a fixing block 1 (10) and a fixing block 2 (12), the fixing block 2 (12) is fixedly connected to the top side of one of the valve bodies (11), the bottom side of the fixing block 1 (10) is fixedly connected to a support seat (5), the support seat (5) is slidably connected to a connecting shaft (15), the connecting shaft (15) The connecting shaft (15) is slidably connected inside the two valve bodies (11), a sealing block (16) is fixedly connected to the top of the connecting shaft (15), and a protective component is arranged on the periphery of the two valve bodies (11). Two sliders (13) are fixedly connected to the top sides of the fixing block 1 (10) and the fixing block 2 (12), and the plurality of sliders (13) are slidably connected inside the two connecting blocks (17), respectively. Two protrusions (18) are slidably connected inside the connecting block (17), one side of the protrusion (18) is abutted against a spring 2 (19), and the other end of the spring 2 (19) abuts against the inside of the connecting block (17), and one side of the protrusion (18) is slidably connected to the inside of the slider (13).

2. A reset type gas controlled reversing valve according to claim 1, characterized in that: The protection component comprises two protection shells (1), the two protection shells (1) are respectively arranged on the front and rear sides of the two valve bodies (11), and the right sides of the two protection shells (1) are respectively fixedly connected with two mounting blocks 2 (7) and two mounting blocks 1 (6), and the mounting block 2 (7) is slidably connected with two clamping blocks (4) inside, and a spring 1 (9) is fixedly connected to one side of the clamping block (4), and one end of the spring 1 (9) is fixedly connected inside the mounting block 2 (7).

3. A reset type gas controlled reversing valve according to claim 1, characterized in that: The top sides of the fixing block 1 (10) and the fixing block 2 (12) are both fixedly connected with sealing rings (14), and the two sealing rings (14) are respectively slidably connected inside the two connecting blocks (17).

4. A reset type gas controlled reversing valve according to claim 2, characterized in that: The front part of the clamping block (4) abuts against the front side of the second mounting block (7), and the rear part of the clamping block (4) is slidably connected to the inside of the first mounting block (6).

5. A reset type gas controlled reversing valve according to claim 2, characterized in that: Two connecting plates (8) are fixedly connected to the left rear side of one of the protective shells (1), and the connecting plates (8) are slidably connected inside the other protective shell (1).

6. A reset type gas controlled reversing valve according to claim 1, characterized in that: A cylinder (22) is fixedly connected inside the support seat (5), the top end of the cylinder (22) is fixedly connected to the bottom end of the connecting shaft (15), and a controller is arranged inside the cylinder (22), and the controller is electrically connected to the cylinder (22).

7. A reset type gas controlled reversing valve according to claim 6, characterized in that: A spring three (21) is sleeved on the outer periphery of the cylinder (22), the top end of the spring three (21) is fixedly connected to the bottom end of the connecting shaft (15), and the bottom end of the spring three (21) is fixedly connected to the inner side of the bottom of the support seat (5).

8. The reset type gas controlled reversing valve according to claim 1, characterized in that: A limiting block (20) is fixedly connected inside the bottom end of the connecting shaft (15), and the limiting block (20) is slidably connected inside the supporting seat (5).

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