A solenoid valve air tightness test device

Abstract

The utility model discloses an electromagnetic valve air tightness testing device, which relates to the technical field of electromagnetic valve processing equipment, including a workbench, a test seat is fixedly connected to the top of the workbench, a solenoid valve is placed on the top of the test seat, a bracket is arranged above the solenoid valve, a fixing unit is installed on the top of the bracket, connecting pipes are sleeved on both left and right ends of the electromagnetic valve, a ventilation pipe is fixedly connected to the left end of the left connecting pipe, an observation water tank fixedly connected to the workbench is arranged on the left side of the test seat, the left end of the ventilation pipe extends into the interior of the observation water tank, and an air pump is arranged on the right side of the right connecting pipe. The utility model is provided with a fixing unit, a clamp is used to clamp and fix the electromagnetic valve on the test seat, and a driving unit is used to drive the air pump to move, so that both ends of the electromagnetic valve are tightly abutted against the connecting pipe through sealing gaskets to prevent air leakage, the device has a simple structure and is easy to operate, thus ensuring the accuracy of the test and improving the test efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of solenoid valve processing equipment, in particular to a solenoid valve air tightness testing device. Background Art

[0002] Solenoid valves are industrial equipment controlled by electromagnetics. They are basic automation components used to control fluids. They are used in industrial control systems to adjust the direction, flow, speed and other parameters of the medium. Different solenoid valves play a role in different positions in the control system. The most commonly used ones are one-way valves, safety valves, directional control valves, speed regulating valves, etc.

[0003] During the production process of solenoid valves, in order to ensure the service life of the solenoid valves, the solenoid valves are generally tested for air tightness. At present, the traditional solenoid valve air tightness testing device uses bolts to fix the solenoid valves during testing. This method requires workers to spend a certain amount of time to install the solenoid valves, which reduces the efficiency of the solenoid valve air tightness testing. Utility Model Content

[0004] In order to solve the above technical problems, a solenoid valve air tightness testing device is provided. This technical solution solves the problem that the traditional solenoid valve air tightness testing device proposed in the above background technology uses bolt fixing to fix the solenoid valve during testing. This method requires workers to spend a certain amount of time to install the solenoid valve, which reduces the detection efficiency of the solenoid valve air tightness.

[0005] In order to achieve the above purpose, the technical solution adopted by this utility model is:

[0006] A solenoid valve air tightness testing device comprises a workbench, a test seat is fixedly connected to the top of the workbench, a solenoid valve is placed on the top of the test seat, a bracket is provided above the solenoid valve, the bottom of the bracket is fixedly connected to the workbench, a fixing unit is installed on the top of the bracket, the left and right ends of the solenoid valve are sleeved with connecting pipes, the left end of the connecting pipe on the left side is fixedly connected to a ventilation pipe, an observation water tank fixedly connected to the workbench is provided on the left side of the test seat, the left end of the ventilation pipe extends into the interior of the observation water tank, the right side wall of the observation water tank is fixedly connected to a fixing seat, the upper end of the fixing seat is fixedly connected to the ventilation pipe, an air pump is provided on the right side of the connecting pipe on the right side, the air outlet of the air pump is connected to the right end of the connecting pipe, a mounting bracket fixedly connected to the workbench is provided on the right side of the test seat, and a driving unit is provided inside the mounting bracket.

[0007] Optionally, the fixed unit includes a slide groove and an electric push rod, the slide groove is longitudinally opened at the top of the bracket, and a pair of splints are slidably connected inside the slide groove. The inner walls on the left and right sides of the slide groove are provided with card slots, and the left and right sides of the tops of the two splints are fixedly connected with card blocks, and the four card blocks are slidably connected to the card slots on the left and right sides respectively. The electric push rod is fixedly installed on the top of the bracket, and the output end of the electric push rod is fixedly connected to the hinged rod 1, and the two ends of the hinged rod 1 are hinged to the hinged rod 2, and the tops of the two splints are fixedly connected to the columns, and the ends of the two hinged rods 2 away from the hinged rod 1 are respectively hinged to the columns.

[0008] Optionally, the driving unit includes a screw, which is rotatably installed inside the mounting frame, the left end of the screw is threadedly connected to a moving block, the air pump is fixedly installed on the top of the moving block, and guide rods are provided on the front and rear sides of the screw, and the left and right ends of the two guide rods are fixedly connected to the inner wall of the mounting frame, the moving block is slidably connected to the guide rods, and a driving motor is fixedly installed on the right side wall of the mounting frame, and the output end of the driving motor passes through the outer wall of the mounting frame and is fixedly connected to the right end of the screw.

[0009] Optionally, sealing gaskets are provided at locations where the two connecting pipes are connected to the solenoid valve.

[0010] Optionally, an observation window is provided at the front end of the observation water tank.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. This solution is equipped with a fixing unit, which uses a clamp to clamp and fix the solenoid valve on the test seat, and uses a driving unit to drive the air pump to move, so that both ends of the solenoid valve are tightly abutted against the connecting pipe through sealing gaskets to prevent air leakage. The device has a simple structure and is easy to operate, which ensures the accuracy of the test and improves the test efficiency.

[0013] 2. This solution is equipped with an observation water tank. When the solenoid valve leaks, the ventilation pipe discharges gas in the water tank, generating bubbles. Workers can observe from the observation window and quickly obtain test results, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a sectional view of the three-dimensional structure of the utility model;

[0016] Figure 3 It is a three-dimensional structural sectional view of the solenoid valve and the connecting pipe in the utility model.

[0017] The numbers in the figure are:

[0018] 1. Workbench; 2. Test seat; 3. Solenoid valve; 4. Bracket; 5. Fixing unit; 51. Slide; 52. Clamp; 53. Slot; 54. Block; 55. Electric push rod; 56. Articulated rod 1; 57. Articulated rod 2; 58. Column; 6. Connecting pipe; 61. Sealing gasket; 7. Ventilation pipe; 8. Observation water tank; 81. Observation window; 9. Fixing seat; 10. Air pump; 11. Mounting frame; 12. Drive unit; 121. Screw; 122. Moving block; 123. Guide rod; 124. Drive motor. DETAILED DESCRIPTION

[0019] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0020] Reference Figure 1 As shown, a solenoid valve air tightness test device includes a workbench 1, a test seat 2 is fixedly connected to the top of the workbench 1, a solenoid valve 3 is placed on the top of the test seat 2, a bracket 4 is provided above the solenoid valve 3, the bottom of the bracket 4 is fixedly connected to the workbench 1, and a fixing unit 5 is installed on the top of the bracket 4. The left and right ends of the solenoid valve 3 are sleeved with connecting pipes 6, and the left end of the left connecting pipe 6 is fixedly connected to the ventilation pipe 7. An observation water tank 8 fixedly connected to the workbench 1 is provided on the left side of the test seat 2, and the left end of the ventilation pipe 7 extends into the interior of the observation water tank 8. The right side wall of the observation water tank 8 is fixedly connected with a fixing seat 9, and the upper end of the fixing seat 9 is fixedly connected to the ventilation pipe 7. The right side of the right connecting pipe 6 is provided with an air Pump 10, the air outlet of the air pump 10 is connected to the right end of the connecting pipe 6, and a mounting bracket 11 fixedly connected to the workbench 1 is provided on the right side of the test seat 2. A driving unit 12 is provided inside the mounting bracket 11. When in use, the solenoid valve 3 to be tested is placed on the test seat 2, and the solenoid valve 3 is clamped and fixed by the clamping plate 52 in the fixing unit 5, and then the air pump 10 is driven to move by the moving block 122 in the driving unit 12, so that the air outlet of the air pump 10 drives the connecting pipe 6 to be connected with the right end of the solenoid valve 3, and squeezes the solenoid valve 3 to the left, so that the solenoid valve 3 is tightly abutted against the connecting pipe 6 at both ends through the sealing gasket 61, thereby avoiding air leakage, ensuring the accuracy of the test results, and improving the test efficiency.

[0021] Further, such as Figure 2 and Figure 3As shown, the fixing unit 5 includes a slide 51 and an electric push rod 55. The slide 51 is longitudinally opened at the top of the bracket 4. A pair of clamps 52 are slidably connected inside the slide 51. The inner walls of the left and right sides of the slide 51 are provided with card slots 53. The left and right sides of the tops of the two clamps 52 are fixedly connected with card blocks 54. The four card blocks 54 are slidably connected to the card slots 53 on the left and right sides respectively. The electric push rod 55 is fixedly installed on the top of the bracket 4. The output end of the electric push rod 55 is fixedly connected to a hinge rod 56. Both ends of the rod 1 56 are hinged with a hinge rod 2 57, the tops of the two splints 52 are fixedly connected with a column 58, and the ends of the two hinge rods 2 57 away from the hinge rod 1 56 are respectively hinged with the column 58, the driving unit 12 includes a screw rod 121, the screw rod 121 is rotatably mounted inside the mounting frame 11, the left end of the screw rod 121 is threadedly connected to a moving block 122, the air pump 10 is fixedly mounted on the top of the moving block 122, and the front and rear sides of the screw rod 121 are provided with guide rods 123. The two guide rods 123 are fixedly mounted on the top of the moving block 122. The left and right ends are fixedly connected to the inner wall of the mounting frame 11, the moving block 122 is slidably connected to the guide rod 123, and the right side wall of the mounting frame 11 is fixedly installed with a drive motor 124. The output end of the drive motor 124 passes through the outer wall of the mounting frame 11 and is fixedly connected to the right end of the screw 121. The two connecting pipes 6 are provided with sealing gaskets 61 at the positions where they are connected to the solenoid valve 3. The front end of the observation water tank 8 is provided with an observation window 81. The electric push rod 55 pushes the hinged rod 56 so that the hinged rod 56 is The hinged rod 2 57 at both ends is driven to deflect, and the hinged rod 2 57 drives the splint 52 to approach each other along the slide groove 51 through the column 58, thereby clamping and fixing the solenoid valve 3, and the screw 121 is driven to rotate by the driving motor 124, and the screw 121 drives the moving block 122 to move along the guide rod 123, thereby causing the moving block 122 to drive the air pump 10 to move, so that the air outlet of the air pump 10 drives the right connecting pipe 6 to connect with the solenoid valve 3. The structure is simple, the operation is convenient, and the practicality of the device is improved.

[0022] The working principle of the present utility model is as follows: before use, the solenoid valve 3 to be tested is placed on the test seat 2, the electric push rod 55 is started, and the hinged rod 1 56 drives the hinged rod 2 57 to deflect, so that the hinged rod 2 57 drives the splint 52 to clamp and fix the solenoid valve 3, and the drive motor 124 is started, and the moving block 122 is driven to move by the screw 121, and then the moving block 122 drives the air pump 10 to move, and the air outlet of the air pump 10 drives the right connecting pipe 6 to connect with the solenoid valve 3 and squeeze the solenoid valve 3, so that the solenoid valve 3 is tightly abutted against the connecting pipe 6 at both ends through the sealing gasket 61, and the air pump 10 is started. If the solenoid valve 3 leaks, gas will enter the liquid in the observation water tank 8 through the ventilation pipe 7 to form bubbles, and the workers can observe through the observation window 81 to know the test results.

[0023] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. A solenoid valve air tightness test device, characterized in that: The invention comprises a workbench (1), the top of the workbench (1) is fixedly connected to a test seat (2), a solenoid valve (3) is placed on the top of the test seat (2), a bracket (4) is arranged above the solenoid valve (3), the bottom of the bracket (4) is fixedly connected to the workbench (1), a fixing unit (5) is installed on the top of the bracket (4), the left and right ends of the solenoid valve (3) are sleeved with connecting pipes (6), the left end of the connecting pipe (6) on the left side is fixedly connected to a ventilation pipe (7), and the left side of the test seat (2) is provided with a connecting pipe (6) fixedly connected to the workbench (1). The left end of the ventilation pipe (7) extends into the interior of the observation water tank (8), the right side wall of the observation water tank (8) is fixedly connected with a fixing seat (9), the upper end of the fixing seat (9) is fixedly connected with the ventilation pipe (7), an air pump (10) is provided on the right side of the right connecting pipe (6), the air outlet of the air pump (10) is connected with the right end of the connecting pipe (6), and a mounting frame (11) fixedly connected to the workbench (1) is provided on the right side of the test seat (2), and a driving unit (12) is provided inside the mounting frame (11).

2. The solenoid valve air tightness testing device according to claim 1, characterized in that: The fixing unit (5) comprises a slide groove (51) and an electric push rod (55), wherein the slide groove (51) is longitudinally opened at the top of the bracket (4), a pair of clamping plates (52) are slidably connected inside the slide groove (51), the inner walls on the left and right sides of the slide groove (51) are both provided with card grooves (53), the left and right sides of the tops of the two clamping plates (52) are both fixedly connected with card blocks (54), and the four card blocks (54) are respectively slidably connected with the card grooves (53) on the left and right sides, and the electric push rod (55) is fixedly installed on the top of the bracket (4), the output end of the electric push rod (55) is fixedly connected with a hinge rod 1 (56), and both ends of the hinge rod 1 (56) are hinged with a hinge rod 2 (57), the tops of the two clamping plates (52) are both fixedly connected with a column (58), and the ends of the two hinge rods 2 (57) away from the hinge rod 1 (56) are respectively hinged with the column (58).

3. The solenoid valve air tightness testing device according to claim 1, characterized in that: The driving unit (12) comprises a screw rod (121), the screw rod (121) is rotatably mounted inside the mounting frame (11), the left end of the screw rod (121) is threadedly connected to a moving block (122), the air pump (10) is fixedly mounted on the top of the moving block (122), the front and rear sides of the screw rod (121) are provided with guide rods (123), the left and right ends of the two guide rods (123) are fixedly connected to the inner wall of the mounting frame (11), the moving block (122) is slidably connected to the guide rods (123), and a driving motor (124) is fixedly mounted on the right side wall of the mounting frame (11), the output end of the driving motor (124) passes through the outer wall of the mounting frame (11) and is fixedly connected to the right end of the screw rod (121).

4. The solenoid valve air tightness testing device according to claim 1, characterized in that: Sealing gaskets (61) are provided at the locations where the two connecting pipes (6) are connected to the solenoid valve (3).

5. The solenoid valve air tightness testing device according to claim 1, characterized in that: An observation window (81) is provided at the front end of the observation water tank (8).

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