Precise electromagnetic valve testing device

Abstract

The utility model provides a precise solenoid valve testing device, which relates to the technical field of testing devices and comprises a frame and a base, an electric telescopic rod is fixedly mounted at the top of the frame, and a connecting frame is fixedly mounted at the output end of the electric telescopic rod. According to the utility model, the fixing plate, the bidirectional screw rod, the clamping rings, the crank and the fixing column are arranged, an electromagnetic valve to be tested is placed between the two groups of clamping rings, then the crank is rotated, and the bidirectional screw rod is driven by the crank to rotate in the fixing plate; the two-way lead screw can drive the two sets of clamping rings to slide towards the position where the electromagnetic valve is located on the outer wall of the fixing column in the rotating process, the two sets of clamping rings can clamp and fix the electromagnetic valve after sliding by a certain distance, and the electromagnetic valve can be rapidly fixed through the structure; therefore, the electromagnetic valve is effectively prevented from being held by hands of an operator in the testing process, and the stability of the electromagnetic valve in the testing process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a precision solenoid valve testing device. Background Art

[0002] The solenoid valve is an industrial device controlled by electromagnetics. It is a basic automation component used to control fluids. It is an actuator used in industrial control systems to adjust the direction, flow, speed and other parameters of the medium. After the solenoid valve is processed, its sealing and pressure resistance tests need to be performed. Currently, there is a lack of testing equipment. Publication No. CN209910966U discloses a solenoid valve testing device, including a platform frame, characterized in that the platform frame support part is connected with a partition, the upper surface of the partition contacts the water tank, a booster pump is arranged inside the water tank, the booster pump is connected to the air compressor through a pipeline, the air compressor contacts the partition, the air compressor is connected to the stop valve through a pipeline, a pressure gauge is installed on the stop valve, the test device starts the booster pump due to the quality inspection of the solenoid valve, the booster pump allows the medium inside the water tank to flow into the air compressor to cool the compressed air, the air compressor is also equipped with a solenoid valve, the solenoid valve is used to control the air compressor, the stop valve is used to control the air flow in the pipeline, the pressure gauge can detect the gas pressure passing through the stop valve, and the valve port of the stop valve is subjected to a pressure test on the solenoid valve to be tested. However, the device is not provided with a limit mechanism, which results in the need for the operator to support the solenoid valve with his hands during the test of the solenoid valve, thereby reducing the test stability of the solenoid valve. The device still has shortcomings and needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a precision solenoid valve testing device, comprising a frame and a base, an electric telescopic rod is fixedly installed on the top of the frame, a connecting frame is fixedly installed on the output end of the electric telescopic rod, an air pump is fixedly installed on the inner surface of the connecting frame, a connecting pipe is fixedly installed on the output end of the air pump, a fixing plate is symmetrically fixedly installed on the inner surface of the frame, a bidirectional screw is installed inside the fixing plate, a clamping ring is symmetrically threaded on the outer wall of the bidirectional screw, a crank is fixedly installed on one end of the bidirectional screw, and a fixing column is fixedly installed on the inner side of the fixing plate.

[0005] Preferably, the fixing column is slidably connected to the clamping ring. Here, the slidably connected connection effectively prevents the clamping ring from deflecting during adjustment.

[0006] Preferably, pulleys are symmetrically fixedly mounted on the bottom of the base, and the number of the pulleys is four groups. Here, the base can be easily moved by four groups of pulleys.

[0007] Preferably, the bidirectional screw rod is connected to the fixed plate via a bearing. Here, the connection via the bearing improves the rotation efficiency of the bidirectional screw rod.

[0008] Preferably, a connecting sleeve is symmetrically fixedly installed on the top of the base, a long plate is fixedly installed on the inner side of the connecting sleeve, a slide groove is opened through the inner side of the connecting sleeve, a threaded rod is installed on the bottom of the long plate, a gear 1 is fixedly installed on the outer wall of the threaded rod, a mounting frame is fixedly installed on the top of the base, a motor is fixedly installed on the bottom of the mounting frame, a gear 2 is fixedly installed on the output end of the motor, a connecting plate is symmetrically fixedly installed on the bottom of the frame, and a slide plate is fixedly installed on the inner side of the connecting plate. Here, by starting the motor, the motor will drive the gear 2 to rotate when it is working, and the gear 2 will drive the gear 1 to rotate during the rotation process, and the gear 1 will drive the threaded rod to rotate during the rotation process, and the threaded rod will drive the slide plate to slide upward inside the slide groove during the rotation process, and the slide plate will drive the connecting plate to slide upward inside the connecting sleeve during the sliding process, and the connecting plate will drive the frame to move upward together during the sliding process, thereby improving the height adjustment effect of the frame and facilitating operators of different heights to test the solenoid valve.

[0009] Preferably, the slide plate is slidably connected to the slide groove, and the slide plate is threadedly connected to the threaded rod. Here, the sliding connection improves the limiting effect of the slide plate when adjusting, and the threaded connection improves the up and down adjustment effect of the slide plate.

[0010] Preferably, the threaded rod is connected to the long plate and the base via a bearing, the gear 1 and the gear 2 are meshed with each other, and the connecting plate and the connecting sleeve are slidably connected. Here, the rotation efficiency of the threaded rod is improved by the bearing connection, the rotation effect of the threaded rod is improved by the meshing with each other, and the adjustment effect of the connecting plate is improved by the sliding connection.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, a fixing plate, a bidirectional screw rod, a clamping ring, a crank and a fixing column are provided. The solenoid valve to be tested is placed in the middle of two groups of clamping rings, and then the crank is turned. The bidirectional screw rod is driven to rotate inside the fixing plate by the crank. During the rotation process, the bidirectional screw rod drives the two groups of clamping rings to slide on the outer wall of the fixing column toward the location of the solenoid valve. After sliding a certain distance, the two groups of clamping rings will clamp and fix the solenoid valve. This structure can quickly fix the solenoid valve, thereby effectively avoiding the need for operators to support the solenoid valve with their hands during the test, thereby improving the stability of the solenoid valve during the test.

[0013] 2. In the utility model, a connecting sleeve, a long plate, a slide groove, a threaded rod, a gear one, a mounting frame, a motor, a gear two, a connecting plate and a slide plate and other structures are provided. By starting the motor, the motor will drive the gear two to rotate when it is working, and the gear two will drive the gear one to rotate during the rotation process, and the gear one will drive the threaded rod to rotate during the rotation process, and the threaded rod will drive the slide plate to slide upward inside the slide groove during the rotation process, and the slide plate will drive the connecting plate to slide upward inside the connecting sleeve during the upward sliding process, and the connecting plate will drive the frame to move upward together during the sliding process, thereby improving the height adjustment effect of the frame and facilitating operators of different heights to test the solenoid valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a schematic diagram of the overall structure of a precision solenoid valve testing device;

[0015] Figure 2 A side view of a precision solenoid valve testing device is provided for the utility model;

[0016] Figure 3 The utility model provides a schematic diagram of the explosion structure of a precision solenoid valve testing device;

[0017] Figure 4 The utility model proposes a precision solenoid valve testing device Figure 3 Enlarged view of point A in the middle.

[0018] Legend:

[0019] 1. Frame; 2. Base; 3. Electric telescopic rod; 4. Connecting frame; 5. Air pump; 6. Connecting pipe; 7. Fixed plate; 8. Bidirectional screw rod; 9. Clamping ring; 10. Crank; 11. Fixed column; 12. Connecting sleeve; 13. Long board; 14. Slide; 15. Threaded rod; 16. Gear 1; 17. Mounting frame; 18. Motor; 19. Gear 2; 20. Connecting plate; 21. Slide plate; 22. Pulley. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-2 The utility model provides a technical solution: a precision solenoid valve testing device, including a frame 1 and a base 2, an electric telescopic rod 3 is fixedly installed on the top of the frame 1, a connecting frame 4 is fixedly installed on the output end of the electric telescopic rod 3, an air pump 5 is fixedly installed on the inner surface of the connecting frame 4, a connecting pipe 6 is fixedly installed on the output end of the air pump 5, a fixing plate 7 is symmetrically fixedly installed on the inner surface of the frame 1, a bidirectional screw rod 8 is installed inside the fixing plate 7, a clamping ring 9 is symmetrically threadedly connected to the outer wall of the bidirectional screw rod 8, a crank 10 is fixedly installed on one end of the bidirectional screw rod 8, and a fixing column 11 is fixedly installed on the inner side of the fixing plate 7. By setting up a fixed plate 7, a two-way screw rod 8, a clamping ring 9, a crank 10 and a fixed column 11, the solenoid valve to be tested is placed in the middle of the two groups of clamping rings 9, and then the crank 10 is turned. The two-way screw rod 8 is driven by the crank 10 to rotate inside the fixed plate 7. During the rotation, the two-way screw rod 8 will drive the two groups of clamping rings 9 to slide on the outer wall of the fixed column 11 toward the location of the solenoid valve. After sliding a certain distance, the two groups of clamping rings 9 will clamp and fix the solenoid valve. This structure can quickly fix the solenoid valve, thereby effectively avoiding the need for the operator to support the solenoid valve with hands during the test, thereby improving the stability of the solenoid valve during testing.

[0024] See also Figure 1-2 The fixed column 11 is slidably connected to the clamping ring 9, and the sliding connection effectively prevents the clamping ring 9 from deflecting during adjustment. Pulleys 22 are symmetrically fixedly installed at the bottom of the base 2. There are four groups of pulleys 22. The four groups of pulleys 22 facilitate the movement of the base 2. The bidirectional screw rod 8 is connected to the fixed plate 7 through bearings, and the rotation efficiency of the bidirectional screw rod 8 is improved through the bearing connection.

[0025] Embodiment 2

[0026] See also Figure 3-4A connecting sleeve 12 is symmetrically fixedly installed on the top of the base 2, a long plate 13 is fixedly installed on the inner side of the connecting sleeve 12, a slide groove 14 is opened on the inner side of the connecting sleeve 12, a threaded rod 15 is installed on the bottom of the long plate 13, a gear 16 is fixedly installed on the outer wall of the threaded rod 15, a mounting frame 17 is fixedly installed on the top of the base 2, a motor 18 is fixedly installed on the bottom of the mounting frame 17, a gear 2 19 is fixedly installed on the output end of the motor 18, a connecting plate 20 is symmetrically fixedly installed on the bottom of the frame 1, a slide plate 21 is fixedly installed on the inner side of the connecting plate 20, by starting the motor 18, the motor 18 will drive the gear 2 19 to rotate when it is working, the gear 2 19 will drive the gear 16 to rotate during the rotation process, the gear 16 will drive the threaded rod 15 to rotate during the rotation process, the threaded rod 15 will drive the slide plate 21 to slide upward inside the slide groove 14 during the rotation process, and the slide plate 2 During the upward sliding process, the connecting plate 20 will be driven to slide upward inside the connecting sleeve 12. During the sliding process, the connecting plate 20 will drive the frame 1 to move upward together, thereby improving the height adjustment effect of the frame 1, which is convenient for operators of different heights to test the solenoid valve. The slide plate 21 is slidably connected to the slide groove 14, and the limiting effect of the slide plate 21 during adjustment is improved through the sliding connection. The slide plate 21 is threadedly connected to the threaded rod 15, and the up and down adjustment effect of the slide plate 21 is improved through the threaded connection. The threaded rod 15 is connected to the long board 13 and the base 2 through a bearing, and the rotation efficiency of the threaded rod 15 is improved through the bearing connection. The gear 1 16 and the gear 2 19 are meshed with each other, and the rotation effect of the threaded rod 15 is improved through mutual meshing. The connecting plate 20 is slidably connected to the connecting sleeve 12, and the adjustment effect of the connecting plate 20 is improved through the sliding connection.

[0027] Working principle: When in use, first place the solenoid valve to be tested between the two groups of clamping rings 9, then turn the crank 10, and use the crank 10 to drive the bidirectional screw 8 to rotate inside the fixed plate 7. During the rotation process, the bidirectional screw 8 will drive the two groups of clamping rings 9 to slide on the outer wall of the fixed column 11 toward the location of the solenoid valve. After sliding a certain distance, the two groups of clamping rings 9 will clamp and fix the solenoid valve. After fixation, start the electric telescopic rod 3, and drive the connecting frame 4 to move downward through the electric telescopic rod 3. During the downward movement of the connecting frame 4, the air pump 5 and the connecting pipe 6 will move downward together. After moving a certain distance, the connecting pipe 6 will dock with the solenoid valve. After docking, close the electric telescopic rod 3, and then start the air pump 5. When the air pump 5 is working, it will transport gas from the connecting pipe 6 to the inside of the solenoid valve. After transportation, you can observe whether the solenoid valve is leaking. When using the device, the operator can adjust the operating height of the device according to his own height. First, start the motor 18. When the motor 18 is working, it will drive the gear 2 19 to rotate. The gear 2 19 will drive the gear 1 16 to rotate during the rotation. The gear 1 16 will drive the threaded rod 15 to rotate during the rotation. The threaded rod 15 will drive the slide plate 21 to slide upward inside the slide groove 14 during the rotation. The slide plate 21 will drive the connecting plate 20 to slide upward inside the connecting sleeve 12 during the upward sliding process. The connecting plate 20 will drive the frame 1 to move upward together during the sliding process, thereby improving the height adjustment effect of the frame 1 and facilitating operators of different heights to test the solenoid valve.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A precision solenoid valve testing device, comprising a frame (1) and a base (2), characterized in that: An electric telescopic rod (3) is fixedly mounted on the top of the frame (1); a connecting frame (4) is fixedly mounted on the output end of the electric telescopic rod (3); an air pump (5) is fixedly mounted on the inner surface of the connecting frame (4); a connecting pipe (6) is fixedly mounted on the output end of the air pump (5); a fixing plate (7) is symmetrically fixedly mounted on the inner surface of the frame (1); a bidirectional screw rod (8) is installed inside the fixing plate (7); a clamping ring (9) is symmetrically threadedly connected to the outer wall of the bidirectional screw rod (8); a crank handle (10) is fixedly mounted on one end of the bidirectional screw rod (8); and a fixing column (11) is fixedly mounted on the inner side of the fixing plate (7).

2. The precision solenoid valve testing device according to claim 1, characterized in that: The fixing column (11) is slidably connected to the clamping ring (9).

3. The precision solenoid valve testing device according to claim 1, characterized in that: Pulleys (22) are symmetrically fixedly mounted on the bottom of the base (2), and the number of the pulleys (22) is four groups.

4. The precision solenoid valve testing device according to claim 1, characterized in that: The bidirectional screw rod (8) is connected to the fixed plate (7) via a bearing.

5. The precision solenoid valve testing device according to claim 1, characterized in that: A connecting sleeve (12) is symmetrically fixedly installed on the top of the base (2), a long plate (13) is fixedly installed on the inner side of the connecting sleeve (12), a sliding groove (14) is penetrated through the inner side of the connecting sleeve (12), a threaded rod (15) is installed on the bottom of the long plate (13), a gear 1 (16) is fixedly installed on the outer wall of the threaded rod (15), a mounting frame (17) is fixedly installed on the top of the base (2), a motor (18) is fixedly installed on the bottom of the mounting frame (17), and a gear 2 (19) is fixedly installed on the output end of the motor (18), and a connecting plate (20) is symmetrically fixedly installed on the bottom of the frame (1), and a slide plate (21) is fixedly installed on the inner side of the connecting plate (20).

6. The precision solenoid valve testing device according to claim 5, characterized in that: The slide plate (21) is slidably connected to the slide groove (14), and the slide plate (21) is threadedly connected to the threaded rod (15).

7. The precision solenoid valve testing device according to claim 5, characterized in that: The threaded rod (15) is connected to the long plate (13) and the base (2) via bearings, the gear 1 (16) and the gear 2 (19) are meshed with each other, and the connecting plate (20) and the connecting sleeve (12) are slidably connected.

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