Pneumatic actuator sealing performance detection device

Abstract

The utility model discloses a pneumatic actuator sealing performance detection device, which relates to the technical field of sealing performance detection and comprises a bottom plate, the top of the bottom plate is fixedly connected with an air cylinder, two ends of the air cylinder are fixedly connected with fixed ends, the top of the air cylinder is fixedly connected with a connecting sleeve, and the connecting sleeve is fixedly connected with an air cylinder. And a detection connecting end is connected to the interior of the connecting sleeve in a penetrating mode, an air inlet is fixedly connected to the front end of the air cylinder, and an exhaust pipe is fixedly connected to the front end of the air cylinder. Under the combined action of the air inlet and the exhaust pipe, pressure can be fully utilized, detection is performed under cyclic utilization, the use safety of the detection device is ensured by dismounting the device after the pressure is discharged, double-layer sealing of the space is realized through the transmission action of the air cylinder, and the situation that the detection sealing is not accurate enough is prevented. The interior of the connecting end is detected, so that the connecting sleeve plays an important role, and the influence of unfixed connection on data is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing detection, in particular to a sealing detection device for a pneumatic actuator. Background Art

[0002] Pneumatic actuators have the advantages of easy reciprocating linear motion, fast motion speed, easy speed control, simple use and maintenance, and low cost. Therefore, there are strict requirements for the air tightness of pneumatic actuators. If the air tightness is not good, it will affect its performance. There are two ways to test the air tightness of pneumatic actuators. One is to increase the test pressure of the pneumatic actuator to the test pressure, then cut off the air source with a stop valve, and observe the air pressure changes in the test diaphragm head. The other is to increase the air chamber pressure of the test pneumatic actuator to the test pressure, and then apply soapy water to each seal. The following problems exist in the existing technology:

[0003] 1. The existing pneumatic actuator sealing detection device cannot guarantee the sealing effect between the piston and the inner wall of the cylinder;

[0004] 2. The existing pneumatic actuator sealing detection device only detects by sound or applies soapy water to the film and then observes whether bubbles are generated, which makes the device low in accuracy. Utility Model Content

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A pneumatic actuator sealing detection device includes a base plate, a cylinder is fixedly connected to the top of the base plate, fixed ends are fixedly connected to both ends of the cylinder, a connecting sleeve is fixedly connected to the top of the cylinder, a detection connecting end is connected through the inside of the connecting sleeve, an air inlet is fixedly connected to the front end of the cylinder, and an exhaust pipe is fixedly connected to the front end of the cylinder.

[0007] Preferably, the fixed end includes a plate body, the bottom of the plate body is fixedly connected to the top of the base plate, a mounting groove is opened on one side of the plate body, a connecting head is movably connected to one side of the mounting groove, a driver is fixedly connected to one side of the connecting head, a sealing ring is fixedly connected to the outer wall of the driver, and a connecting pipe is fixedly connected to the middle part of the front end of the driver.

[0008] Preferably, the front end of the connecting pipe is fixedly connected to the air intake pipe, and the sealing ring plays a connecting role for the internal connection.

[0009] Preferably, one end of the driver is fixedly connected to a compression tube, and one end of the compression tube is fixedly connected to a connecting chamber.

[0010] Preferably, both ends of the connection chamber are connected to compression tubes, and the top of the connection chamber is fixedly connected to the bottom of the detection connection end.

[0011] Preferably, the detection connection end includes a detector, the bottom of the detector is fixedly connected to the top of the connection chamber, the top of the detector is fixedly connected with a through pipe, a fixing ring is fixed to the upper end part of the outer wall of the through pipe, and a plug interface is provided on the top of the through pipe.

[0012] Preferably, the detector comprises a fixed cylinder, a pressure relief pipe is fixedly connected to the middle of the fixed cylinder, a rotating cylinder is sleeved on the outer wall of the pressure relief pipe, and a rotating wheel is fixedly connected to the outer wall of the rotating cylinder.

[0013] Preferably, the bottom of the fixing cylinder is communicated with the interior of the connecting chamber, and the bottom of the pressure relief pipe is fixedly connected to the exhaust pipe.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a pneumatic actuator sealing detection device, which uses the transmission effect of the cylinder to make the space double-sealed to prevent the detection seal from being inaccurate. The fixed ends are connected to the two ends of the cylinder, making the device more convenient to use and the device connection more stable. The detection connection end can ensure the connection stability when connecting, and the detection connection end is tested inside, so the connecting sleeve plays an important role to prevent the unfixed connection from affecting the data.

[0016] 2. The utility model provides a pneumatic actuator sealing detection device, which can fully utilize the pressure through the joint action of the air inlet and the exhaust pipe, and perform detection under circular utilization. After the pressure is discharged, the device is disassembled to ensure the safety of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the pneumatic actuator sealing detection device of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the fixed end of the utility model;

[0019] Figure 3 It is a structural schematic diagram of one side of the fixed end of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the detection connection end of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the detector of the utility model.

[0022] In the figure: 1. bottom plate; 2. fixed end; 3. cylinder; 4. connecting sleeve; 5. detection connecting end; 6. air inlet; 7. exhaust pipe; 21. plate body; 22. mounting groove; 23. connector; 24. sealing ring; 25. driver; 26. connecting pipe; 27. compression pipe; 28. connecting chamber; 51. detector; 52. through pipe; 53. fixing ring; 54. plug-in interface; 511. fixing cylinder; 512. pressure relief pipe; 513. rotating cylinder; 514. rotating wheel. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the embodiments:

[0024] like Figure 1 As shown, the utility model provides a pneumatic actuator sealing detection device, including a base plate 1, a cylinder 3 is fixedly connected to the top of the base plate 1, the cylinder 3 performs a transmission function to make the space double-sealed to prevent the detection seal from being inaccurate, the two ends of the cylinder 3 are fixedly connected to the fixed ends 2, the fixed ends 2 are connected to the two ends of the cylinder 3, so that the device is more convenient to use and the device connection is more stable, the top of the cylinder 3 is fixedly connected to the connection sleeve 4, and the inside of the connection sleeve 4 is penetrated and connected with the detection connection end 5, so that the detection connection end 5 can ensure the connection stability when connecting, and the detection connection end 5 is tested inside, so the connection sleeve 4 plays an important role to prevent the unfixed connection from affecting the data, the front end of the cylinder 3 is fixedly connected to the air inlet 6, and the front end of the cylinder 3 is fixedly connected to the exhaust pipe 7.

[0025] Through the combined action of the air inlet 6 and the exhaust pipe 7, the pressure can be fully utilized and tested in a cyclic manner. Disassembling the device after the pressure is exhausted ensures the safety of the detection device.

[0026] like Figure 2 As shown, the fixed end 2 includes a plate body 21, the bottom of the plate body 21 is fixedly connected to the top of the base plate 1, a mounting groove 22 is opened on one side of the plate body 21, a connector 23 is movably connected to one side of the mounting groove 22, a driver 25 is fixedly connected to one side of the connector 23, a sealing ring 24 is fixedly connected to the outer wall of the driver 25, and a connecting pipe 26 is fixedly connected to the middle part of the front end of the driver 25.

[0027] The front end of the connecting pipe 26 is fixedly connected to the air intake pipe, and the sealing ring 24 plays a connecting role for the internal connection.

[0028] As can be seen from the above, the connecting pipe 26 draws pressure into the device through the driver 25 and then transmits it out through one side. The driver 25 plays an important role.

[0029] like Figure 3As shown, one end of the driver 25 is fixedly connected to a compression tube 27 , and one end of the compression tube 27 is fixedly connected to a connection chamber 28 .

[0030] Both ends of the connection chamber 28 are connected to the compression tube 27 , and the top of the connection chamber 28 is fixedly connected to the bottom of the detection connection end 5 .

[0031] As can be seen from the above, the compression tube 27 can have a buffering effect on the expansion of the pressurized gas in the connecting chamber 28, making the device more convenient to use.

[0032] like Figure 4 As shown, the detection connection end 5 includes a detector 51, the bottom of the detector 51 is fixedly connected to the top of the connection chamber 28, the top of the detector 51 is fixedly connected with a through pipe 52, the upper end part of the outer wall of the through pipe 52 is fixed with a fixing ring 53, and the top of the through pipe 52 is provided with an insertion port 54.

[0033] As can be seen from the above, the plug interface 54 is used to connect the device to be detected, and the plug interface 54 makes the device tightly connected, so that the data detected by the device is more accurate, and the through pipe 52 is connected to the connecting sleeve 4 through the connection of the fixing ring 53, which will be more stably connected, making the device more convenient to use.

[0034] like Figure 5 As shown, the detector 51 includes a fixed cylinder 511 , a pressure relief pipe 512 is fixedly connected to the middle of the fixed cylinder 511 , a rotating cylinder 513 is sleeved on the outer wall of the pressure relief pipe 512 , and a rotating wheel 514 is fixedly connected to the outer wall of the rotating cylinder 513 .

[0035] The bottom of the fixing tube 511 is communicated with the interior of the connecting chamber 28 , and the bottom of the pressure relief pipe 512 is fixedly connected with the exhaust pipe 7 .

[0036] As can be seen from the above, the sealing condition inside the device can be detected by the rotation speed of the rotating wheel 514, making the device more convenient to use.

[0037] The working principle of the pneumatic actuator sealing detection device is described in detail below.

[0038] like Figure 1-5As shown, when this pneumatic actuator sealing detection device is in use, the air inlet 6 at the front end of the device is connected to the pressurizing device to make the device start working, and then the detection connection end 5 at the top of the device is connected to the device to be detected. The connection port needs to ensure that the connection is tight, or the sealing device is wrapped at the connection. In the later test, it can be quickly distinguished whether the sealing of the device body is not good enough or the connection is leaking. After the air pressure is passed, the driver 25 connected inside the fixed end 2 will transmit the air pressure to one side. One end of the driver 25 is connected to the compression tube 27, and one side of the compression tube 27 is fixedly connected to a connecting chamber 28. The top of the upper end of the connecting chamber 28 is directly fixedly connected to the bottom of the detection connection end 5. The compression tube 27 can prevent the device from leaking. When pressurizing, it causes the internal connection components to explode, so the pressurized space inside the device can be adjusted according to the pressure through the compression tube 27, that is, the upper device can be tested for sealing, and the internal elasticity can be made large. A detector 51 is arranged at the bottom of the detection connection end 5, and a rotating cylinder 513 is connected to a rotating wheel 514 inside the detector 51. If the test device is leaking, the internal rotating wheel 514 will rotate under the drive of the air pressure circulation. If the internal space is sealed, the rotating wheel 514 will not rotate. Therefore, it is judged based on this situation. The air pressure after the test is connected to the exhaust pipe 7 through the pressure relief pipe 512 and discharged cleanly. In this way, the test device can be removed, making the device safer to use.

[0039] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A pneumatic actuator sealing detection device, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a cylinder (3), both ends of the cylinder (3) are fixedly connected to fixed ends (2), the top of the cylinder (3) is fixedly connected to a connecting sleeve (4), the interior of the connecting sleeve (4) is penetrated and connected to a detection connecting end (5), the front end of the cylinder (3) is fixedly connected to an air inlet (6), and the front end of the cylinder (3) is fixedly connected to an exhaust pipe (7).

2. A pneumatic actuator sealing detection device according to claim 1, characterized in that: The fixed end (2) comprises a plate body (21), the bottom of the plate body (21) is fixedly connected to the top of the base plate (1), a mounting groove (22) is provided on one side of the plate body (21), a connector (23) is movably connected to one side of the mounting groove (22), a driver (25) is fixedly connected to one side of the connector (23), a sealing ring (24) is fixedly connected to the outer wall of the driver (25), and a connecting pipe (26) is fixedly connected to the middle part of the front end of the driver (25).

3. A pneumatic actuator sealing detection device according to claim 2, characterized in that: The front end of the connecting pipe (26) is fixedly connected to the air intake pipe, and the sealing ring (24) plays a connecting role on the internal connection.

4. A pneumatic actuator sealing detection device according to claim 2, characterized in that: One end of the driver (25) is fixedly connected to a compression tube (27), and one end of the compression tube (27) is fixedly connected to a connection chamber (28).

5. A pneumatic actuator sealing detection device according to claim 4, characterized in that: Both ends of the connection chamber (28) are connected to the compression tube (27), and the top of the connection chamber (28) is fixedly connected to the bottom of the detection connection end (5).

6. A pneumatic actuator sealing detection device according to claim 1, characterized in that: The detection connection end (5) comprises a detector (51), the bottom of the detector (51) is fixedly connected to the top of the connection chamber (28), the top of the detector (51) is fixedly connected to a through pipe (52), a fixing ring (53) is fixed to the upper end portion of the outer wall of the through pipe (52), and a plug interface (54) is provided at the top of the through pipe (52).

7. A pneumatic actuator sealing detection device according to claim 6, characterized in that: The detector (51) comprises a fixed cylinder (511), a pressure relief pipe (512) is fixedly connected to the middle of the fixed cylinder (511), a rotating cylinder (513) is sleeved on the outer wall of the pressure relief pipe (512), and a rotating wheel (514) is fixedly connected to the outer wall of the rotating cylinder (513).

8. A pneumatic actuator sealing detection device according to claim 7, characterized in that: The bottom of the fixing cylinder (511) is in communication with the interior of the connecting chamber (28), and the bottom of the pressure relief pipe (512) is fixedly connected to the exhaust pipe (7).

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