Pneumatic pinch valve device

Abstract

A driving air cylinder provides power for a stainless steel threaded air cylinder to integrally clamp a peristaltic pump hose, the threaded air cylinder is connected through a threaded hole in a pipe clamp base, the pressing degree of the hose can be adjusted according to the height of threads and the air pressure, and the pipe clamp base is made of stainless steel. The pipe clamp base is internally provided with a guide structure, the pipe clamp cone can directionally move in the pipe clamp base, the pipe clamp cone is made of PEEK materials and can bear high irradiation, other non-metal materials can be changed to be made according to the actual use condition, the pipe clamp cone and the pipe clamp pin are clamped oppositely, the pipe clamp pin is in a curved surface shape, and the pipe clamp pin is in a curved surface shape. And the allowable air pressure when the hose is clamped can be reduced.

Description

Technical Field

[0001] The utility model relates to the field of mechanical equipment, in particular to a pneumatic pinch valve device. Background Art

[0002] The current nuclear industry needs to extract liquids during use, and peristaltic pump extraction is a common method. When we need to intercept the liquid / gas of the peristaltic pump, the most commonly used method is the electric stop valve. However, when the radiation intensity inside the hot chamber is high, the electric equipment cannot withstand long-term radiation and will malfunction.

[0003] In summary, a pneumatic pinch valve device is needed to solve the deficiencies in the prior art. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a pneumatic pinch valve device, aiming to solve the above problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pneumatic tube clamping valve device, comprising a tube clamp base, a driving cylinder is arranged on the tube clamp base, the driving cylinder is fixedly connected to the tube clamp base, a tube clamp cone is arranged in the tube clamp base, the tube clamp cone is movably connected to the tube clamp base, the tube clamp cone is fixedly connected to the driving cylinder, a tube clamping groove is arranged on the tube clamp base, and the tube clamping groove corresponds to the tube clamp cone.

[0006] Optionally, a tube clamp pin is provided in the tube clamp groove, and the tube clamp pin is detachably connected to the tube clamp base.

[0007] Optionally, the pipe clamp base includes a pipe sleeve and a connecting seat, wherein the connecting seat is arranged on the outer surface of the pipe sleeve, the connecting seat is fixedly connected to the pipe sleeve, and connecting holes are arranged on the connecting seat, and the connecting holes are arranged at both ends of the connecting seat.

[0008] Optionally, the driving cylinder includes a cylinder body and a piston, wherein the piston is arranged inside the cylinder body, the cylinder body is threadedly connected to the pipe clamp base, and the piston is detachably connected to the pipe clamp cone.

[0009] Optionally, a pneumatic joint is provided on the driving cylinder, and the pneumatic joint is detachably connected to the driving cylinder.

[0010] Optionally, a docking plate is provided on the tube clamp base, and the docking plate is detachably connected to the tube clamp base. A self-clamping screw is provided on the docking plate, and the self-clamping screw is fixedly connected to the docking plate.

[0011] Beneficial effects of the utility model:

[0012] 1. In the utility model, the driving cylinder is a stainless steel threaded cylinder that provides power for integrally clamping the peristaltic pump hose. The threaded cylinder is connected through a threaded hole on the hose clamp base, and the degree of hose compression can be adjusted by the thread height and air pressure.

[0013] 2. In the utility model, the tube clamp base is made of stainless steel, and the deformation rate is small after the material is processed. The tube clamp base contains a guide structure, and the tube clamp cone can move in a directed manner inside the tube clamp base. The tube clamp cone is made of PEEK material and can withstand high radiation exposure. The other non-metallic materials can be changed according to actual use. The tube clamp cone is clamped relative to the tube clamp pin, and the tube clamp pin is curved, which can reduce the allowable air pressure when clamping the hose.

[0014] 3. In the utility model, the riveted captive screws are riveted to the base of the pipe clamp. After the hole is opened on the equipment panel, the entire equipment can be manually locked on the equipment panel, which is convenient for subsequent equipment maintenance and disassembly. The peristaltic pump hose and the pipe clamp base have a certain extrusion force, and the hose will not move under normal movement. When the hose has been running for a long time, there will be a certain deformation on the surface of the hose. The hose can be pulled and moved by a manipulator to adjust the clamping position of the hose and extend the service life of the hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of a planar structure of the utility model.

[0017] Figure 3 The utility model is a schematic diagram of a cross-sectional structure.

[0018] Figure 4 A structural schematic diagram of a pipe clamp base.

[0019] In the figure: 1. pipe clamp base; 2. driving cylinder; 3. pipe clamp cone; 4. pipe clamp groove; 5. pipe clamp pin; 6. pneumatic joint; 7. docking plate; 8. self-clamping screw; 11. pipe sleeve; 12. connecting seat; 13. connecting hole; 21. cylinder body; 22. piston. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] In conjunction with the instruction manual Figure 1-Attached Figure 4 , explain this technical solution

[0022] like Figure 1-Figure 4 As shown, a pneumatic pipe clamping valve device includes a pipe clamp base 1, a driving cylinder 2 is arranged on the pipe clamp base 1, the driving cylinder 2 is fixedly connected to the pipe clamp base 1, a pipe clamp cone 3 is arranged in the pipe clamp base 1, the pipe clamp cone 3 is movably connected to the pipe clamp base 1, the pipe clamp cone 3 is fixedly connected to the driving cylinder 2, a pipe clamping groove 4 is arranged on the pipe clamp base 1, and the pipe clamping groove 4 corresponds to the pipe clamp cone 3.

[0023] A pipe clamp pin 5 is arranged in the pipe clamp groove 4, and the pipe clamp pin 5 is detachably connected to the pipe clamp base 1. The pipe clamp base 1 includes a pipe sleeve 11 and a connecting seat 12. The connecting seat 12 is arranged on the outer surface of the pipe sleeve 11, and the connecting seat 12 is fixedly connected to the pipe sleeve 11. A connecting hole 13 is arranged on the connecting seat 12, and the connecting holes 13 are arranged at both ends of the connecting seat 12.

[0024] The driving cylinder 2 includes a cylinder body 21 and a piston 22. The piston 22 is arranged inside the cylinder body 21. The cylinder body 21 is threadedly connected to the pipe clamp base 1. The piston 22 is detachably connected to the pipe clamp cone 3. A pneumatic joint 6 is arranged on the driving cylinder 1, and the pneumatic joint 6 is detachably connected to the driving cylinder 2.

[0025] A docking plate 7 is arranged on the pipe clamp base 1 , and the docking plate 7 is detachably connected to the pipe clamp base 1 . A self-clamping screw 8 is arranged on the docking plate 7 , and the self-clamping screw 8 is fixedly connected to the docking plate 7 .

[0026] The utility model: the pneumatic clamping valve is mainly composed of a stainless steel pneumatic joint, a stainless steel threaded cylinder, a pipe clamp base, a pressure riveted captive screw, a pipe clamp cone, a pipe clamp pin and a peristaltic pump hose.

[0027] A stainless steel threaded cylinder provides the power to integrally clamp the peristaltic pump hose.

[0028] The threaded cylinder is connected through the threaded hole on the pipe clamp base. The tightness of the hose can be adjusted by the thread height and air pressure.

[0029] The pipe clamp base is made of stainless steel, and the deformation rate is small after the material is processed. The pipe clamp base contains a guide structure, and the pipe clamp cone can move in a directional manner inside the pipe clamp base.

[0030] The pipe clamp cone is made of PEEK material, which can withstand high radiation exposure. Other non-metallic materials can be changed according to actual use. The pipe clamp cone and the pipe clamp pin are clamped relative to each other. The pipe clamp pin is in a curved shape, which can reduce the allowable air pressure when clamping the hose.

[0031] The self-riveting captive screws are riveted to the base of the pipe clamp. After the holes are opened on the equipment panel, the entire equipment can be manually locked on the equipment panel, which is convenient for subsequent equipment maintenance and disassembly.

[0032] The peristaltic pump hose and the tube clamp base have a certain extrusion pressure, and the hose will not move under normal movement. When the hose has been running for a long time, there will be a certain deformation on the surface of the hose. The hose can be pulled and moved by a robot, and the clamping position of the hose can be adjusted to extend the service life of the hose.

[0033] Working principle of pneumatic pinch valve:

[0034] The peristaltic pump hose is manually inserted into the tube clamp base and is squeezed and fixed by the tube clamp base and the tube clamp pin. The tube clamp cone is connected to the threaded column at the front end of the threaded cylinder. Driven by compressed air, the threaded cylinder piston extends forward, and the tube clamp cone simultaneously extends forward to squeeze the peristaltic pump hose to complete the cutoff.

[0035] The device can withstand radiation intensity for a long time without failure.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pneumatic pinch valve device, characterized in that: It includes a pipe clamp base, a driving cylinder is arranged on the pipe clamp base, the driving cylinder is fixedly connected to the pipe clamp base, a pipe clamp cone is arranged in the pipe clamp base, the pipe clamp cone is movably connected to the pipe clamp base, the pipe clamp cone is fixedly connected to the driving cylinder, a pipe clamp groove is arranged on the pipe clamp base, and the pipe clamp groove corresponds to the pipe clamp cone.

2. The pneumatic pinch valve device according to claim 1, characterized in that: A pipe clamp pin is arranged in the pipe clamp groove, and the pipe clamp pin is detachably connected to the pipe clamp base.

3. The pneumatic pinch valve device according to claim 1, characterized in that: The pipe clamp base includes a pipe sleeve and a connecting seat, wherein the connecting seat is arranged on the outer surface of the pipe sleeve, the connecting seat is fixedly connected to the pipe sleeve, and connecting holes are arranged on the connecting seat, and the connecting holes are arranged at both ends of the connecting seat.

4. The pneumatic pinch valve device according to claim 1, characterized in that: The driving cylinder comprises a cylinder body and a piston, wherein the piston is arranged inside the cylinder body, the cylinder body is threadedly connected to the pipe clamp base, and the piston is detachably connected to the pipe clamp cone.

5. The pneumatic pinch valve device according to claim 1, characterized in that: The driving cylinder is provided with a pneumatic joint, and the pneumatic joint is detachably connected to the driving cylinder.

6. The pneumatic pinch valve device according to any one of claims 1 to 5, characterized in that: A docking plate is arranged on the pipe clamp base, and the docking plate is detachably connected to the pipe clamp base. A self-clamping screw is arranged on the docking plate, and the self-clamping screw is fixedly connected to the docking plate.

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