Novel linear pneumatic control shuttle valve

Abstract

The utility model discloses a novel linear pneumatic control shuttle valve which comprises a valve body assembly and a protection assembly arranged on the periphery of the valve body assembly, and the valve body assembly comprises a valve body and an air inlet base arranged at the top end of the valve body; the first protection ring and the second protection ring are opened through the rotating shaft, at the moment, the inner shock pad on the inner side of the second protection ring is attached to the valve body, then the first protection ring is rotated through the rotating shaft, and the inner shock pad on the inner side of the first protection ring is attached to the valve body. First fixing blocks at the two ends of a second protection ring are extruded through clamping grooves in the top ends of second fixing blocks at the two ends of the first protection ring, so that clamping blocks are clamped into the clamping grooves, and the first protection ring and the second protection ring are clamped and fixed; by means of the protection assembly, the problem of mechanical fatigue damage possibly caused by vibration and impact of the valve body in the severe working environment can be reduced, and therefore the risk of mechanical fatigue damage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of linear air-controlled shuttle valve equipment, in particular to a novel linear air-controlled shuttle valve. Background Art

[0002] The linear pneumatic shuttle valve is a device that uses pneumatic control technology to control the opening and closing of the valve. It is mainly composed of a valve body, a valve stem, a pneumatic actuator and a control system. The pneumatic actuator receives control signals and controls the up and down movement of the valve stem to realize the opening and closing of the valve.

[0003] The components of linear pneumatic shuttle valves are often made of wear-resistant materials, with a long service life and high reliability. However, in special working environments, pneumatic linear valves may be subject to vibration and impact. If the valve body is not designed firmly, mechanical fatigue damage may occur. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of linear pneumatic shuttle valve to solve the problem that the components of the existing linear pneumatic shuttle valves are often made of wear-resistant materials, have a long service life and high reliability, but in special working environments, the pneumatic linear valves may be subject to vibration and impact, and if the valve body is not firmly designed, it may cause mechanical fatigue damage.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new linear air-controlled shuttle valve, comprising a valve body assembly and a protective assembly arranged on the periphery of the valve body assembly, the valve body assembly comprising a valve body and an air inlet base arranged on the top of the valve body, the protective assembly comprising a first protective ring and a second protective ring rotatably connected to the first protective ring, an inner shock-absorbing pad is arranged on the inner side of the second protective ring near one end of the valve body, an outer shock-absorbing pad is arranged on the outer side of the second protective ring to reduce external collisions, and the inner shock-absorbing pad and the outer shock-absorbing pad are also arranged on one end of the first protective ring, and the first protective ring and the second protective ring are rotatably connected by a rotating shaft.

[0006] As a further solution of the utility model: a fixing block 1 is fixedly provided at one end of the second protective ring and is clamped and fixed to the first protective ring, and the fixing block 1 is symmetrically fixed to one end of the second protective ring, and a clamping block clamped to the clamping slot is provided at one end of the fixing block 1.

[0007] As a further solution of the utility model: a fixing block 1 which is clamped and fixed with the first protecting ring is fixed at one end of the second protecting ring, and the fixing block 1 is symmetrically fixed at one end of the second protecting ring.

[0008] As a further solution of the utility model: one end of the first protective ring is provided with a fixed block 2 which is clamped and fixed with the fixed block 1, and the fixed block 2 is symmetrically fixed to one end of the first protective ring, a clamping groove is opened at the top of the fixed block 2, and a clamping block which is clamped with the clamping groove is provided at one end of the fixed block 1.

[0009] As a further solution of the utility model: the first air outlet pipe is fixedly provided with fixing ears threadedly fixed to the valve body, and the fixing ears are evenly fixed to the outer periphery of the first air outlet pipe, and the fixing ears are also fixed to both ends of the valve body and one end of the second air outlet pipe.

[0010] As a further solution of the utility model: a receiving groove is provided at one end of the fixing ear, and a rubber sealing block is arranged inside the receiving groove to increase the air tightness of the valve body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model is provided that when installing and fixing the valve body assembly, the staff first inserts the rubber sealing block into the accommodating groove of one end of the valve body body and the first air outlet and the second air outlet pipe peripheral fixing ears, and squeezes the rubber sealing block through the extrusion of the valve body body and the first air outlet and the second air outlet pipe peripheral fixing ears to increase the working sealing performance of the valve body body, and then the screw rod penetrates the valve body body and the first air outlet and the second air outlet pipe peripheral fixing ears to fix them;

[0013] The first protective ring and the second protective ring are opened by the rotating shaft, and the inner shock-absorbing pad on the inner side of the second protective ring is fitted with the valve body. Then, the first protective ring is rotated by the rotating shaft, and the inner shock-absorbing pad on the inner side of the first protective ring is fitted with the valve body. The fixing blocks 1 at both ends of the second protective ring are squeezed through the grooves at the top ends of the fixing blocks 2 at both ends of the first protective ring, so that the fixing blocks are clamped into the inside of the grooves to clamp and fix the first protective ring and the second protective ring. The protective assembly can reduce the problem of mechanical fatigue damage of the valve body caused by vibration and impact in harsh working environments, thereby reducing the risk of mechanical fatigue damage. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a schematic diagram of the exploded structure of the valve body assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the practical protective assembly;

[0017] Figure 4 This utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1. valve body assembly; 11. valve body; 12. air inlet base; 13. first air inlet; 14. second air inlet; 15. first air outlet; 16. fixing ear; 17. receiving groove; 18. rubber sealing block; 19. second air outlet; 2. protection assembly; 21. first protection ring; 22. second protection ring; 23. inner shock-absorbing pad; 24. outer shock-absorbing pad; 25. rotating shaft; 26. fixing block 1; 27. fixing block 2; 28. clamping block; 29. ​​clamping groove. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0021] Reference Figures 1 to 4In an embodiment of the utility model, a novel linear air-controlled shuttle valve includes a valve body assembly 1 and a protective assembly 2 arranged on the periphery of the valve body assembly 1. The valve body assembly 1 includes a valve body 11 and an air inlet base 12 arranged at the top of the valve body 11. The protective assembly 2 includes a first protective ring 21 and a second protective ring 22 rotatably connected to the first protective ring 21. An inner shock-absorbing pad 23 is arranged on the inner side of the second protective ring 22 near one end of the valve body 11. An outer shock-absorbing pad 24 is arranged on the outer side of the second protective ring 22 to reduce external collision. The inner shock-absorbing pad 23 and the outer shock-absorbing pad 24 are also arranged on one end of the first protective ring 21. The first protective ring 21 and the second protective ring 22 are rotatably connected through a rotating shaft 25.

[0022] Reference Figure 2 and Figure 3 A fixing block 26 which is clamped and fixed to the first protecting ring 21 is fixed at one end of the second protecting ring 22, and the fixing block 26 is symmetrically fixed to one end of the second protecting ring 22. A fixing block 27 which is clamped and fixed to the fixing block 26 is provided at one end of the first protecting ring 21, and the fixing block 27 is symmetrically fixed to one end of the first protecting ring 21. A slot 29 is provided at the top of the fixing block 27, and a block 28 which is clamped to the slot 29 is provided at one end of the fixing block 26.

[0023] Reference Figure 2 and Figure 4 A first air inlet 13 is provided at the top of the air inlet base 12, and a second air inlet 14 is provided at the top of the air inlet base 12 on a side adjacent to the first air inlet 13. A first air outlet pipe 15 is fixedly installed at one end of the valve body 11, and a second air outlet pipe 19 is fixedly installed at one end of the valve body 11 opposite to the first air outlet pipe 15. A fixing ear 16 threadedly fixed to the valve body 11 is fixedly provided on the outer periphery of the first air outlet pipe 15, and the fixing ear 16 is evenly fixed on the outer periphery of the first air outlet pipe 15. The fixing ear 16 is also fixedly provided at both ends of the valve body 11 and one end of the second air outlet pipe 19. A receiving groove 17 is provided at one end of the fixing ear 16, and a rubber sealing block 18 is provided inside the receiving groove 17 to increase the air tightness of the valve body 11.

[0024] The working principle of the utility model is as follows: when the staff installs and fixes the valve body assembly 1, the rubber sealing block 18 is first inserted into the accommodating groove 17 at one end of the valve body 11 and the first air outlet 15 and the second air outlet pipe 19 peripheral fixed ear 16, and the rubber sealing block 18 is squeezed by squeezing the valve body 11 and the first air outlet 15 and the second air outlet pipe 19 peripheral fixed ear 16 to increase the working sealing performance of the valve body 11, and then the screw is passed through the valve body 11 and the first air outlet 15 and the second air outlet pipe 19 peripheral fixed ear 16 to fix, and then the first protective ring 21 and the second protective ring 22 are opened by the rotating shaft 25. At this time The inner shock-absorbing pad 23 on the inner side of the second protective ring 22 is fitted with the valve body 11, and then the first protective ring 21 is rotated by the rotating shaft 25, and the inner shock-absorbing pad 23 on the inner side of the first protective ring 21 is fitted with the valve body 11, and the fixing blocks 1 26 at both ends of the second protective ring 22 are squeezed through the grooves 29 at the top of the fixing blocks 27 at both ends of the first protective ring 21, so that the blocking blocks 28 are clamped into the inside of the clamping grooves 29 to clamp and fix the first protective ring 21 and the second protective ring 22. The protective component 2 can reduce the mechanical fatigue damage problem caused by vibration and impact of the valve body 11 in a harsh working environment, thereby reducing the risk of mechanical fatigue damage.

[0025] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new type of linear air-controlled shuttle valve, It is characterized in that The invention comprises a valve body assembly (1) and a protective assembly (2) arranged on the periphery of the valve body assembly (1), wherein the valve body assembly (1) comprises a valve body (11) and an air inlet base (12) arranged on the top of the valve body (11), wherein the protective assembly (2) comprises a first protective ring (21) and a second protective ring (22) rotatably connected to the first protective ring (21), wherein an inner shock-absorbing pad (23) is arranged on the inner side of the second protective ring (22) near one end of the valve body (11), and an outer shock-absorbing pad (24) is arranged on the outer side of the second protective ring (22) for reducing external collision, and the inner shock-absorbing pad (23) and the outer shock-absorbing pad (24) are also arranged on one end of the first protective ring (21), and the first protective ring (21) and the second protective ring (22) are rotatably connected via a rotating shaft (25).

2. A novel linear gas-controlled shuttle valve according to claim 1, It is characterized in that One end of the second protective ring (22) is fixedly provided with a fixing block 1 (26) which is clamped and fixed to the first protective ring (21), and the fixing block 1 (26) is symmetrically fixed to one end of the second protective ring (22).

3. A novel linear gas-controlled shuttle valve according to claim 2, It is characterized in that A second fixing block (27) is provided at one end of the first protective ring (21) and is fixedly engaged with the first fixing block (26). The second fixing block (27) is symmetrically fixed to one end of the first protective ring (21). A slot (29) is provided at the top of the second fixing block (27), and a clamping block (28) is provided at one end of the first fixing block (26) and is clamped with the slot (29).

4. A novel linear gas-controlled shuttle valve according to claim 1, It is characterized in that The top of the air inlet base (12) is provided with a first air inlet (13), and the top of the air inlet base (12) is provided with a second air inlet (14) on a side adjacent to the first air inlet (13); one end of the valve body (11) is fixedly mounted with a first air outlet pipe (15), and one end of the valve body (11) opposite to the first air outlet pipe (15) is fixedly mounted with a second air outlet pipe (19).

5. According to claim 4, a novel linear gas-controlled shuttle valve, It is characterized in that The outer periphery of the first air outlet pipe (15) is fixedly provided with fixing ears (16) which are threadedly fixed to the valve body (11), and the fixing ears (16) are evenly fixed to the outer periphery of the first air outlet pipe (15). The fixing ears (16) are also fixedly provided at both ends of the valve body (11) and one end of the second air outlet pipe (19).

6. A novel linear gas-controlled shuttle valve according to claim 5, It is characterized in that A receiving groove (17) is formed at one end of the fixing ear (16), and a rubber sealing block (18) is arranged inside the receiving groove (17) to increase the air tightness of the valve body (11).

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