Pneumatic valve convenient for quick butt joint

Abstract

The utility model relates to the technical field of valves, and provides a pneumatic valve convenient for quick butt joint, which comprises a valve, a valve rod is arranged at the top of the valve, a connecting and fixing device is arranged on the side surface of the valve, the connecting and fixing device comprises a motor, the bottom of the motor is fixedly connected to the top of the valve, and the bottom of the motor is fixedly connected to the valve. A bidirectional lead screw is fixedly connected to an output shaft of the motor, a limiting rod is fixedly connected to the side face of the motor, the end, away from the motor, of the limiting rod penetrates through the side faces of threaded sleeves, a transverse plate is fixedly connected to the side faces of the threaded sleeves, clamping plates are fixedly connected to the bottom of the transverse plate, and the number of the threaded sleeves and the number of the clamping plates are two. And the vertical axes of the two-way screw rods are symmetrical to each other. By means of the technical scheme, the problems that in the prior art, a pipeline is difficult to clamp, loosening or air leakage of a pneumatic valve in the operation process is difficult to prevent, and the stability and reliability of a system are difficult to improve are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, and in particular to a pneumatic valve which is convenient for quick docking. Background Art

[0002] Pneumatic valves that are easy to quickly connect should have features such as quick connector design, standardized interfaces, simplified operation, visual indication, portability, and automated control. This can improve operational efficiency, reduce working time, and ensure the safety and reliability of the valve.

[0003] Patent announcement number (CN 216743288 U) is a pneumatic valve that is easy to quickly dock, including a pneumatic valve body, first flanges are fixedly installed at both left and right ends of the pneumatic valve body, a first pipeline is arranged on the left side of the pneumatic valve body, and a second pipeline is arranged on the right side of the pneumatic valve body; the second flange, whose monomer is fixedly installed on the inner ends of the first pipeline and the second pipeline respectively, a docking mechanism is arranged on the outside of the first pipeline, a motion ring is slidably connected to the outside of the pneumatic valve body, and a rubber sealing pad is arranged between the first flange and the second flange. The sealing performance of the connection between the valve and the pipeline is crucial to the normal operation of the pneumatic system.

[0004] However, if the connection between the pipeline and the valve is loose, it may cause gas leakage, which will affect the working efficiency of the system and even cause equipment damage. It is difficult to clamp the pipeline through the mutual cooperation between the pneumatic valve body, the second flange and other components, and it is difficult to prevent the pneumatic valve from loosening or leaking during operation. It is difficult to improve the stability and reliability of the system, which needs to be improved. Utility Model Content

[0005] The utility model provides a pneumatic valve that is convenient for quick docking, which solves the problem of a pneumatic valve that is convenient for quick docking in the related art.

[0006] The technical solution of the utility model is as follows: a pneumatic valve that is easy to quickly connect, comprising a valve, a valve stem is arranged on the top of the valve, a connecting and fixing device is arranged on the side of the valve, the connecting and fixing device comprises a motor, the bottom of the motor is fixedly connected to the top of the valve, a bidirectional screw is fixedly connected to the output shaft of the motor, a limiting rod is fixedly connected to the side of the motor, an end of the limiting rod away from the motor passes through the side of the threaded sleeve, a cross plate is fixedly connected to the side of the threaded sleeve, and a clamping plate is fixedly connected to the bottom of the cross plate.

[0007] According to the above technical solution, two threaded sleeves and two clamping plates are provided, and are symmetrical to each other along the vertical center axis of the bidirectional screw rod. The clamping plate is made of metal. When the motor is started, the reversal of the motor will drive the reversal of the bidirectional screw rod. The reversal of the bidirectional screw rod will drive the two threaded sleeves to make relative movement. The relative movement of the threaded sleeves will drive the two clamping plates to make relative movement.

[0008] According to the above technical solution, the connecting and fixing devices are provided in two groups and are symmetrical with each other along the vertical center axis of the valve. The horizontal plate is provided in a rectangular shape and is provided in two groups, which is conducive to clamping the pipe connections at both ends to prevent leakage.

[0009] The cam is provided with a push rod which is arranged on the side of the valve body and on the side of the valve body, and the push rod is provided with a push plate which is arranged on the side of the valve body and on the side of the valve body, and the push plate is provided on the side of the valve body, and the push plate is provided with a push rod which is arranged on the side of the valve body and on the side of the valve body.

[0010] According to the above technical solution, two airbags are provided and are symmetrical to each other along the vertical center axis of the bidirectional screw rod. The switch is located on the displacement track of the push plate. The movement of the push plate will squeeze the switch of the motor, causing the motor to stop working.

[0011] According to the above technical solution, the air pressure cabin is set to be L-shaped, the connecting rod is set to be L-shaped, the support rod is set to be made of metal, and the push plate is set to be rectangular. The support rod made of metal has stronger support and is not easily damaged.

[0012] According to the above technical solution, a bracket passes through the top of the valve, and a handwheel is fixedly connected to the end of the valve stem away from the valve. The design of the handwheel is conducive to adjusting the size of the valve.

[0013] The working principle and beneficial effects of the utility model are:

[0014] 1. The utility model realizes that the motor reverses and drives the two threaded sleeves to move relative to each other through the mutual cooperation between the motor, the bidirectional screw rod, the threaded sleeve, the clamping plate and other components inside the connecting and fixing device. The relative movement of the threaded sleeve will drive the two clamping plates to move relative to each other, clamping the pipe located between the two clamping plates, ensuring a more secure connection, not easy to loosen or shift, helping to prevent the pneumatic valve from loosening or leaking during operation, and improving the stability and reliability of the system.

[0015] 2. The utility model realizes the displacement of the airbag following the displacement of the clamping plate by the mutual cooperation between the airbag, the air pressure chamber, the connecting pipe, the switch and other components inside the connecting and fixing equipment. When the airbag clamps the pipeline to a certain extent, the airbag will be squeezed and slowly deflated, so that the internal gas flows out through the connecting pipe to squeeze the push rod. The push rod will be squeezed to drive the piston inside the air pressure chamber to move. The movement of the piston will push the push plate at the other end to move. The movement of the push plate will squeeze the switch of the motor, so that the motor stops working and the two clamping plates stop clamping. It can prevent excessive pressure from being applied to the pipeline, and avoid deformation, rupture or other damage of the pipeline due to excessive squeezing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0018] Figure 2 This is a three-dimensional upward structural schematic diagram of the support of the utility model;

[0019] Figure 3 For this utility model Figure 1 Schematic diagram of the three-dimensional enlarged structure of A in the middle;

[0020] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional enlarged structure of B;

[0021] Figure 5 It is a three-dimensional enlarged structural schematic diagram of the motor of the utility model;

[0022] In the figure: 1. valve; 2. hand wheel; 3. connecting and fixing equipment; 31. motor; 32. bidirectional screw; 33. threaded sleeve; 34. limit rod; 35. cross plate; 36. clamping plate; 37. switch; 38. support rod; 39. air pressure cabin; 310. push plate; 311. push rod; 312. connecting rod; 313. air bag; 4. bracket; 5. valve stem. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of 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.

[0024] Example 1

[0025] like Figure 1-2 As shown, this embodiment proposes a pneumatic valve that is easy to quickly connect, including a valve 1, a valve stem 5 is arranged on the top of the valve 1, a connecting and fixing device 3 is arranged on the side of the valve 1, the connecting and fixing device 3 includes a motor 31, the bottom of the motor 31 is fixedly connected to the top of the valve 1, a bidirectional screw rod 32 is fixedly connected to the output shaft of the motor 31, a limit rod 34 is fixedly connected to the side of the motor 31, the end of the limit rod 34 away from the motor 31 passes through the side of the threaded sleeve 33, the side of the threaded sleeve 33 is fixedly connected to a cross plate 35, and the bottom of the cross plate 35 is fixedly connected to a clamping plate 36, there are two threaded sleeves 33 and clamping plates 36, and they are symmetrical with each other along the vertical center axis of the bidirectional screw rod 32. The clamping plate 36 is set to metal material. When the motor 31 is started, the reversal of the motor 31 will drive the bidirectional screw rod 32 to reverse, and the reversal of the bidirectional screw rod 32 will drive the two threaded sleeves 33 to make relative movement. The relative movement of the threaded sleeves 33 will drive the two clamping plates 36 to make relative movement. Two groups of connecting and fixing devices 3 are set, and they are symmetrical with each other along the vertical center axis of the valve 1. The cross plate 35 is set to a rectangular shape, and there are two groups, which is conducive to clamping the pipe connections at both ends to prevent leakage.

[0026] In this embodiment, the motor 31 is started, and the reverse rotation of the motor 31 will drive the bidirectional screw rod 32 to reverse, and the reverse rotation of the bidirectional screw rod 32 will drive the two threaded sleeves 33 to make relative motion, and the relative motion of the threaded sleeves 33 will drive the two clamping plates 36 to make relative motion. The pipeline is located on the motion trajectory of the clamping plates 36, and the pipeline located between the two clamping plates 36 is clamped to ensure a more secure connection that is not easy to loosen or shift, which helps to prevent the pneumatic valve 1 from loosening or leaking during operation, thereby improving the stability and reliability of the system.

[0027] Example 2

[0028] like Figure 3 to Figure 5As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that a support rod 38 is fixedly connected to the side of the valve 1, and an end of the support rod 38 away from the valve 1 is fixedly connected to a pressure chamber 39, one end of the pressure chamber 39 penetrates a push plate 310, and an end of the pressure chamber 39 away from the push plate 310 penetrates a push rod 311, and an end of the push rod 311 away from the pressure chamber 39 penetrates a connecting rod 312, and an end of the connecting rod 312 away from the push rod 311 penetrates an airbag 313, a switch 37 is provided on the side of the motor 31, and the airbag 313 moves with the displacement of the clamping plate 36. When the airbag 31 When the pipe is clamped to a certain extent, the airbag 313 will be squeezed and slowly deflated, so that the gas inside will flow out through the connecting rod 312 to squeeze the push rod 311. The push rod 311 is fixedly connected to the piston inside the air pressure chamber 39. The push rod 311 is slidably connected to one end of the air pressure chamber 39. When the push rod 311 is squeezed, the piston inside the air pressure chamber 39 will move. The movement of the piston will push the push plate 310 at the other end to move. The movement of the push plate 310 will squeeze the switch 37 of the motor 31, so that the motor 31 stops working and the two clamping plates 36 stop clamping, which can prevent excessive pressure from being applied to the pipe. Two airbags 313 are provided, and they are symmetrical to each other along the vertical central axis of the bidirectional screw rod 32. The switch 37 is located on the displacement track of the push plate 310. The movement of the push plate 310 will squeeze the switch 37 of the motor 31, so that the motor 31 stops working. The air pressure chamber 39 is set to be L-shaped, the connecting rod 312 is set to be L-shaped, the support rod 38 is set to be made of metal, and the push plate 310 is set to be rectangular. The support rod 38 made of metal has stronger support and is not easy to be damaged. A bracket 4 runs through the top of the valve 1, and a hand wheel 2 is fixedly connected to the end of the valve stem 5 away from the valve 1. The design of the hand wheel 2 is conducive to adjusting the size of the valve 1.

[0029] In this embodiment, the airbag 313 moves along with the displacement of the clamping plate 36. When the airbag 313 clamps the pipe to a certain extent, the airbag 313 will be squeezed and slowly deflated, so that the internal gas will flow out through the connecting rod 312 to squeeze the push rod 311. The push rod 311 is fixedly connected to the piston inside the air pressure chamber 39. The push rod 311 is slidably connected to one end of the air pressure chamber 39. When the push rod 311 is squeezed, the piston inside the air pressure chamber 39 will move. The movement of the piston will push the push plate 310 at the other end to move. The movement of the push plate 310 will squeeze the switch 37 of the motor 31, causing the motor 31 to stop working and the two clamping plates 36 to stop clamping. This can prevent excessive pressure from being applied to the pipe, and avoid deformation, rupture or other damage to the pipe due to excessive squeezing.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 pneumatic valve that is easy to quickly connect, characterized in that: It comprises a valve (1), wherein a valve stem (5) is arranged on the top of the valve (1), and a connecting and fixing device (3) is arranged on the side of the valve (1); The connecting and fixing device (3) comprises a motor (31), the bottom of the motor (31) is fixedly connected to the top of the valve (1), a bidirectional screw rod (32) is fixedly connected to the output shaft of the motor (31), a limiting rod (34) is fixedly connected to the side of the motor (31), an end of the limiting rod (34) away from the motor (31) passes through the side of the threaded sleeve (33), a transverse plate (35) is fixedly connected to the side of the threaded sleeve (33), and a clamping plate (36) is fixedly connected to the bottom of the transverse plate (35).

2. A pneumatic valve for quick docking according to claim 1, characterized in that: The threaded sleeves (33) and the clamping plates (36) are provided in pairs and are symmetrical to each other along the vertical center axis of the bidirectional screw rod (32); the clamping plates (36) are made of metal.

3. A pneumatic valve for quick docking according to claim 2, characterized in that: The connecting and fixing devices (3) are provided in two groups and are symmetrical to each other along the vertical center axis of the valve (1); the transverse plate (35) is provided in a rectangular shape.

4. A pneumatic valve for quick docking according to claim 3, characterized in that: A support rod (38) is fixedly connected to the side of the valve (1); an end of the support rod (38) away from the valve (1) is fixedly connected to an air pressure chamber (39); a push plate (310) is passed through one end of the air pressure chamber (39); a push rod (311) is passed through one end of the air pressure chamber (39) away from the push plate (310); a connecting rod (312) is passed through one end of the push rod (311) away from the air pressure chamber (39); an air bag (313) is passed through one end of the connecting rod (312) away from the push rod (311); and a switch (37) is arranged on the side of the motor (31).

5. A pneumatic valve for quick docking according to claim 4, characterized in that: Two airbags (313) are provided and are symmetrical to each other along the vertical center axis of the bidirectional screw rod (32), and the switch (37) is located on the displacement track of the push plate (310).

6. A pneumatic valve for quick docking according to claim 5, characterized in that: The air pressure cabin (39) is configured to be L-shaped, the connecting rod (312) is configured to be L-shaped, the support rod (38) is configured to be made of metal material, and the push plate (310) is configured to be rectangular.

7. A pneumatic valve for quick docking according to claim 6, characterized in that: A bracket (4) passes through the top of the valve (1), and an end of the valve stem (5) away from the valve (1) is fixedly connected to a hand wheel (2).

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