Rapid clamping device for acetylene pressure reducing valve detection

Abstract

The utility model discloses a rapid clamping device for acetylene pressure reducing valve detection, which relates to the technical field of valve detection, and comprises a detection pipe which is of a hollow structure, one end face of the detection pipe is provided with an air inlet, the top face of the detection pipe is provided with a positioning cylinder extending vertically and upwards, and the side wall of the detection pipe is provided with an air delivery pipe communicated with the positioning cylinder; the hollow pipe extends in the axial direction of the positioning cylinder, an inner supporting ring base is arranged at the top end of the hollow pipe, and a plurality of abutting rods sliding in the radial direction of the inner supporting ring base are arranged on the side wall of the inner supporting ring base; the pull rod axially slides along the inner wall of the hollow pipe, the top end of the pull rod extends to the position above the inner supporting ring base and is hinged to a plurality of connecting rods, and the other ends of the connecting rods are hinged to the abutting rod; the pull ring is connected to the positioning cylinder in a sliding mode, and the bottom end of the pull rod is connected with the pull ring. The acetylene pressure reducing valve detection device can adapt to acetylene pressure reducing valves of different models and specifications, can meet the detection requirements of various types of pressure reducing valves, and improves the universality of equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of valve detection, in particular to a quick clamping device for acetylene pressure reducing valve detection. Background Art

[0002] Acetylene is a flammable gas widely used in many fields such as industrial production, welding, and cutting. As a key component for controlling the pressure of acetylene gas and ensuring safe and stable use, the reliability of its performance is crucial. During the manufacturing process, in order to ensure the quality of the acetylene pressure reducing valve, various performance detections need to be carried out on it, such as pressure regulation accuracy detection, sealing performance detection, etc.

[0003] In the existing detection process, when detecting the acetylene pressure reducing valve, the clamping process is often cumbersome. Usually, multiple bolts, nuts and other connecting parts are required to fix the pressure reducing valve on the detection equipment. This clamping method takes a lot of time for each installation and disassembly. Especially in the large-scale production detection process, the frequent clamping operations lead to low overall detection efficiency and are difficult to meet the requirements of the automated detection production line.

[0004] In view of this, this application is specifically proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a quick clamping device for acetylene pressure reducing valve detection to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the quick clamping device for acetylene pressure reducing valve detection provided by the utility model includes

[0007] A detection tube, which is of a hollow structure. An air inlet is provided on one end face thereof, and a positioning cylinder extending vertically upward is provided on the top surface thereof. An air delivery pipe communicating with the positioning cylinder is provided on the side wall of the detection tube;

[0008] A hollow tube, which extends along the axial direction of the positioning cylinder. An inner support ring seat is provided at the top end thereof, and a plurality of abutting rods sliding radially along the side wall of the inner support ring seat are provided;

[0009] A pull rod, which axially slides along the inner wall of the hollow tube. The top end thereof extends above the inner support ring seat and is hinged with a plurality of connecting rods. The other end of the connecting rod is hinged with the abutting rod;

[0010] A pull ring, which is slidably connected to the positioning cylinder. The bottom end of the pull rod is connected to the pull ring;

[0011] The pull ring drives the pull rod to axially slide, so that the connecting rod drives the abutting rod (22) to radially slide, for the quick clamping and releasing of the acetylene pressure reducing valve.

[0012] Furthermore, a sealing airbag is arranged on the inner wall of the positioning tube, and a gas supply component for conveying gas to the inside of the sealing airbag is arranged inside the positioning tube, and the gas supply component includes:

[0013] The piston shell is arranged on the inner wall of the positioning cylinder, and a piston cavity is integrally formed inside the piston shell;

[0014] A connecting pipe is arranged on the outer wall of the positioning cylinder, one end of which is connected to the sealing airbag, and the other end of which is connected to the piston chamber;

[0015] The piston plate is slidably connected inside the piston cavity, and a piston rod extending vertically upward is arranged on the top of the piston plate.

[0016] Furthermore, the top end of the piston rod passes through the top wall of the piston housing and then extends upward, and the top end of the piston rod is fixedly connected with a movable plate.

[0017] Furthermore, a return spring is sleeved on the outside of the piston rod, the top end of the return spring is fixedly connected to the bottom surface of the movable plate, and the bottom end of the return spring is fixedly connected to the top surface of the piston shell.

[0018] Furthermore, an annular groove is provided on the inner wall of the positioning tube, the sealing airbag is embedded and installed inside the annular groove, the sealing airbag is made of rubber material, and the inner surface of the sealing airbag is integrally formed with anti-slip patterns.

[0019] Furthermore, a slide groove is provided on the outer wall of the lower part of the positioning tube, and a support rod extending toward the inside of the positioning tube is provided on the inner wall of the pull ring. The support rod is slidably connected inside the slide groove, and the bottom end of the pull rod is connected to the support rod.

[0020] Furthermore, a rotating sleeve is provided on the sliding sleeve of the outer wall of the positioning cylinder, and the pull ring is rotatably connected to the inside of the rotating sleeve.

[0021] Furthermore, a spiral groove is formed on the rotating sleeve, a follower column is fixedly mounted on the outer wall of the positioning cylinder, and the follower column is inserted into the interior of the spiral groove.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The utility model can drive the connecting rod connected to the top end of the pull rod to move downward by pulling the lower end of the pull rod, and the connecting rod can push the resistance rod to slide outside the inner support ring seat, and the resistance rod can support and fix the detection end of the acetylene pressure reducing valve inside the positioning cylinder, which can adapt to acetylene pressure reducing valves of different models and specifications, can meet the detection needs of various types of pressure reducing valves, reduce the equipment modification cost of enterprises when detecting different products, and improve the versatility of the equipment.

[0024] 2. The utility model can push the air inside the piston cavity into the connecting pipe by pressing down the piston plate, and then transport it to the inside of the sealing airbag by the connecting pipe. After the sealing airbag expands, it can seal the connection between the valve and the positioning cylinder to avoid gas leakage during the detection process, thereby improving the overall sealing and test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the positioning cylinder in the utility model;

[0027] Figure 3 It is a schematic diagram of the cross-sectional structure of the positioning cylinder in the utility model;

[0028] Figure 4 It is a structural schematic diagram of the fixing component in the utility model;

[0029] Figure 5 for Figure 4 A magnified view of the structure at center.

[0030] In the figure: 1. detection tube; 2. air inlet; 3. positioning cylinder; 4. air delivery pipe; 5. sealing air bag; 6. piston shell; 7. piston chamber; 8. connecting pipe; 9. piston plate; 10. piston rod; 11. movable plate; 12. return spring; 13. hollow tube; 14. pull rod; 15. pull ring; 16. slide groove; 17. rotating sleeve; 18. spiral groove; 19. follower column; 20. inner support ring seat; 21. connecting rod; 22. resistance rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in 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 in 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.

[0032] See also Figures 1-5 The utility model provides a technical solution: a quick clamping device for detecting an acetylene pressure reducing valve, comprising:

[0033] The detection tube 1 is a hollow structure, one end of which is provided with an air inlet 2, the top of which is provided with a positioning tube 3 extending vertically upward, and a gas delivery pipe 4 connected with the positioning tube 3 is provided on the side wall of the detection tube 1;

[0034] The hollow tube 13 is arranged to extend along the axial direction of the positioning cylinder 3, and an inner support ring seat 20 is provided at its top end. A plurality of abutting rods 22 that slide radially along the side wall of the inner support ring seat 20 are provided;

[0035] The pull rod 14 slides axially along the inner wall of the hollow tube 13. Its top end extends above the inner support ring seat 20 and is hinged with a plurality of connecting rods 21. The other end of the connecting rod 21 is hinged with the abutting rod 22;

[0036] The pull ring 15 is slidably connected to the positioning cylinder 3, and the bottom end of the pull rod 14 is connected to the pull ring 15.

[0037] Specifically, when in use, first insert the acetylene pressure reducing valve to be detected into the inside of the positioning cylinder 3. By pulling the lower end of the pull rod 14 downward, the movement of the connecting rod 21 connected to its top end can be driven. The connecting rod 21 can push the abutting rod 22 to slide outward from the inner support ring seat 20. The abutting rod 22 can expand and fix the detection end of the acetylene pressure reducing valve inside the positioning cylinder 3, which can adapt to acetylene pressure reducing valves of different models and specifications, can meet the detection requirements for various types of pressure reducing valves, reduces the equipment transformation cost of enterprises when detecting different products, and improves the versatility of the equipment.

[0038] After the acetylene pressure reducing valve is clamped, the inside of the detection tube 1 can be supplied with gas by connecting an air pump to the air inlet 2. The gas inside the detection tube 1 can enter the inside of the positioning cylinder 3 through the gas transmission pipe 4, and then enter the acetylene pressure reducing valve from the positioning cylinder 3, achieving the effect of inflating and detecting the acetylene pressure reducing valve.

[0039] Refer to Figure 3 , a sealing airbag 5 is arranged on the inner wall of the positioning cylinder 3, and a gas supply member for delivering gas into the sealing airbag 5 is arranged inside the positioning cylinder 3. This gas supply member includes,

[0040] The piston shell 6 is arranged on the inner wall of the positioning cylinder 3, and a piston cavity 7 is integrally formed inside it;

[0041] The connecting pipe 8 is arranged on the outer wall of the positioning cylinder 3. One end of it is communicated with the sealing airbag 5, and the other end of it is communicated with the piston cavity 7;

[0042] The piston plate 9 is slidably connected inside the piston cavity 7, and a piston rod 10 that extends vertically upward is provided at its top end.

[0043] Specifically, by pressing down the piston plate 9, the air inside the piston cavity 7 can be pushed into the connecting pipe 8, and then be delivered into the sealing airbag 5 through the connecting pipe 8. After the sealing airbag 5 expands, it can seal the connection between the valve and the positioning cylinder 3, avoiding gas leakage during the detection process, and improving the overall sealing performance and the accuracy of the test.

[0044] Refer to Figure 3, the top end of the piston rod 10 penetrates through the top wall of the piston housing 6 and extends upward, and a movable plate 11 is fixedly connected to the top end of the piston rod 10.

[0045] Specifically, by providing the movable plate 11, the contact area at the top end of the piston rod 10 is increased.

[0046] Refer to Figure 3 , a return spring 12 is sleeved outside the piston rod 10. The top end of the return spring 12 is fixedly connected to the bottom surface of the movable plate 11, and the bottom end of the return spring 12 is fixedly connected to the top surface of the piston housing 6.

[0047] Specifically, by providing the return spring 12, the effect of resetting the movable plate 11 and the piston plate 9 is achieved.

[0048] Refer to Figure 3 , an annular groove is formed on the inner wall of the positioning cylinder 3, the sealing airbag 5 is embedded and installed inside the annular groove. The sealing airbag 5 is made of rubber material, and anti-slip patterns are integrally formed on the inner surface of the sealing airbag 5.

[0049] Refer to Figure 3 , a sliding groove 16 is formed on the outer wall of the lower part of the positioning cylinder 3. A support rod extending towards the inside of the positioning cylinder 3 is provided on the inner wall of the pull ring 15. The support rod is slidably connected inside the sliding groove 16, and the bottom end of the pull rod 14 is connected to the support rod.

[0050] Specifically, by sliding the pull ring 15 inside the sliding groove 16, the pull rod 14 can be driven to slide along the inner wall of the hollow tube 13, thereby making the sliding of the pull rod 14 more convenient.

[0051] Refer to Figure 2 , a rotating sleeve 17 is slidably sleeved on the outer wall of the positioning cylinder 3, and the pull ring 15 is rotatably connected inside the rotating sleeve 17.

[0052] Specifically, by means of the rotating sleeve 17, the pull ring 15 can be driven to slide along the outer wall of the positioning cylinder 3, making the sliding of the pull ring 15 more convenient.

[0053] Refer to Figure 2 , a spiral groove 18 is formed on the rotating sleeve 17, and a follower post 19 is fixedly installed on the outer wall of the positioning cylinder 3. The follower post 19 is inserted inside the spiral groove 18.

[0054] Specifically, by rotating the rotating sleeve 17, the spiral groove 18 can be driven to rotate. Then, through the cooperation of the rotating sleeve 17 and the spiral groove 18, the rotating sleeve 17 can axially slide along the outer wall of the positioning cylinder 3 when rotating.

Claims

1. Quick clamping device for acetylene pressure reducer detection, characterized in that, include The detection tube (1) is a hollow structure, one end surface of which is provided with an air inlet (2), the top surface of which is provided with a positioning tube (3) extending vertically upward, and the side wall of the detection tube (1) is provided with an air delivery pipe (4) connected with the positioning tube (3); The hollow tube (13) is extended along the axial direction of the positioning tube (3), and an inner support ring seat (20) is arranged at the top end. A plurality of abutment rods (22) are arranged on the side wall of the inner support ring seat (20) and slide along the radial direction thereof; The pull rod (14) slides axially along the inner wall of the hollow tube (13), the top end of which extends to the upper side of the inner support ring seat (20) and is hinged with a plurality of connecting rods (21), the other end of each connecting rod (21) being hinged with a resisting rod (22); A pull ring (15) is slidably connected to the positioning cylinder (3), and the bottom end of the pull rod (14) is connected to the pull ring (15); The pull ring (15) drives the pull rod (14) to slide axially, so that the connecting rod (21) drives the resistance rod (22) to slide radially, which is used for fast clamping and releasing of the acetylene pressure reducing valve.

2. The quick clamping device for detecting an acetylene pressure reducing valve according to claim 1, characterized in that: The inner wall of the positioning cylinder (3) is provided with a sealing airbag (5), and the interior of the positioning cylinder (3) is provided with a gas supply component for conveying gas to the interior of the sealing airbag (5), the gas supply component comprising: A piston shell (6) is arranged on the inner wall of the positioning cylinder (3), and a piston cavity (7) is integrally formed inside the piston shell; A connecting pipe (8) is arranged on the outer wall of the positioning cylinder (3), one end of which is connected to the sealing airbag (5) and the other end of which is connected to the piston chamber (7); The piston plate (9) is slidably connected inside the piston chamber (7), and a piston rod (10) extending vertically upward is arranged on the top end thereof.

3. The quick clamping device for detecting an acetylene pressure reducing valve according to claim 2, wherein: The top end of the piston rod (10) passes through the top wall of the piston housing (6) and then extends upward, and the top end of the piston rod (10) is fixedly connected to a movable plate (11).

4. The quick clamping device for detecting an acetylene pressure reducing valve according to claim 2, wherein: The piston rod (10) is externally sleeved with a return spring (12), the top end of the return spring (12) is fixedly connected to the bottom surface of the movable plate (11), and the bottom end of the return spring (12) is fixedly connected to the top surface of the piston shell (6).

5. The quick clamping device for detecting an acetylene pressure reducing valve according to claim 2, characterized in that: An annular groove is provided on the inner wall of the positioning tube (3), and the sealing airbag (5) is embedded and installed inside the annular groove. The sealing airbag (5) is made of rubber, and the inner surface of the sealing airbag (5) is integrally formed with anti-slip patterns.

6. The quick clamping device for acetylene pressure reducing valve detection according to claim 1, characterized in that: A slide groove (16) is provided on the outer wall of the lower part of the positioning tube (3), and a support rod extending toward the inside of the positioning tube (3) is provided on the inner wall of the pull ring (15). The support rod is slidably connected inside the slide groove (16), and the bottom end of the pull rod (14) is connected to the support rod.

7. The quick clamping device for acetylene pressure reducing valve detection according to claim 1, characterized in that: A rotating sleeve (17) is slidably sleeved on the outer wall of the positioning cylinder (3), and the pull ring (15) is rotatably connected to the inside of the rotating sleeve (17).

8. The quick clamping device for acetylene pressure reducing valve detection according to claim 7, wherein: The rotating sleeve (17) is provided with a spiral groove (18), and a follower column (19) is fixedly mounted on the outer wall of the positioning cylinder (3), and the follower column (19) is inserted into the interior of the spiral groove (18).

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