CN215980950U - Pneumatic isolation door control device suitable for plasma air heater - Google Patents
Pneumatic isolation door control device suitable for plasma air heater Download PDFInfo
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- CN215980950U CN215980950U CN202121473715.0U CN202121473715U CN215980950U CN 215980950 U CN215980950 U CN 215980950U CN 202121473715 U CN202121473715 U CN 202121473715U CN 215980950 U CN215980950 U CN 215980950U
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Abstract
The utility model discloses a pneumatic isolation door control device suitable for a plasma air heater, which comprises a valve body, wherein a display board is fixedly arranged on the side surface of the valve body, a switch box is also fixedly arranged on the side surface of the valve body, and an air cylinder air inlet and outlet are formed in the top end of the valve body. According to the utility model, through the linkage of the second rotating shaft and the first rotating shaft, when the switch handle is pulled, the first sealing slide block, the second sealing slide block and the second sealing slide block are driven to move through the connecting rod, so that the air inlet of the cylinder and the main air inlet are in a communicated state, working gas enters the inner cavity of the valve body through the main air inlet source pipe and enters the cylinder through the air inlet source pipe of the cylinder, the cylinder is urged to perform the next operation, the force applied to the switch handle is released, the connecting rod and the switch handle complete reset under the elastic action of the limiting spring, the whole set of mechanism simplifies the mechanism, and through manual operation, the operation is simple and convenient, the failure rate is low, and a large amount of cost is saved.
Description
Technical Field
The utility model relates to the technical field of pneumatic control devices in industrial production fields, in particular to a pneumatic isolation door control device suitable for a plasma air heater.
Background
The Pneumatic actuator is commonly called Pneumatic head or Pneumatic actuator, and is divided into three categories, Pneumatic, electric and hydraulic, according to the energy form, and the Pneumatic actuator has the characteristics of being suitable for different occasions, and most of the existing thermal power plant air heaters are Pneumatic actuators.
However, most of the pneumatic actuating mechanisms used by the air heaters of the thermal power plants have certain defects, the pneumatic actuating mechanisms applied to most of the air heaters of the thermal power plants are controlled by remote and local double operations, the switch actuating mechanisms realize the remote and local control by using electromagnetic valves, the adjusting actuating mechanisms realize the remote and local control by using positioners or electric actuating mechanisms, and the cost is increased and a plurality of fault points are increased if the pneumatic actuating mechanisms which are not frequently used are arranged by adopting the method.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a pneumatic isolation door control device suitable for a plasma air heater.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an it has the display board to be applicable to pneumatic isolated door control device of plasma air heater, includes the valve body, the side fixed mounting of valve body has the switch box, cylinder air inlet and outlet have been seted up on the top of valve body, total air inlet and gas outlet have been seted up to the bottom of valve body, the top fixed mounting of valve body has cylinder air inlet source pipe, the bottom fixed mounting of total air inlet has total air inlet source pipe, the valve body inner chamber has been seted up to the inside of valve body, first sealed slider has been cup jointed in the inboard activity of valve body inner chamber the connecting rod has been cup jointed to the inboard of first sealed slider, the fixed second sealed slider and the sealed slider of third that has cup jointed of the table lateral wall of connecting rod, the spacing groove has been seted up to the inboard of valve body.
Preferably, one end of the connecting rod extends to the inner side of the switch box, the connecting rod extends to a first rotating shaft is movably sleeved at one end of the inner side of the switch box, a switch handle is movably sleeved on the surface side wall of the first rotating shaft, a second rotating shaft is fixedly sleeved on the inner side of the switch box, and the second rotating shaft is movably sleeved with the switch handle.
Preferably, the diameter of the limiting groove is larger than that of the connecting rod and smaller than that of the inner cavity of the valve body, and a first sealing sliding block is fixedly installed between the limiting groove and the first sealing sliding block.
Preferably, a quick-connection-plug structure is fixedly installed between the cylinder air inlet source pipe and the cylinder air inlet, a quick-connection-plug structure is fixedly installed between the main air inlet source pipe and the main air inlet, the external sizes of the first sealing slide block, the second sealing slide block and the third sealing slide block are consistent with the internal size of the inner cavity of the valve body, and good air tightness is kept between the structures.
Preferably, the quick connector structure includes a quick connector base, the quick connector base is fixedly mounted on the top end of the valve body, a fastening nut is fixedly mounted on the top end of the quick connector base, a quick connector socket is fixedly mounted on the top end of the fastening nut, and a quick connector plug is fixedly mounted at one end of the cylinder air inlet source pipe and one end of the main air inlet source pipe, which are close to the valve body.
Preferably, the inner size of the quick connector socket is matched with the outer size of the quick connector plug, and a plurality of balls are fixedly mounted inside the quick connector socket.
Preferably, the cylinder air inlet source pipe and the total air inlet source pipe are constructed by high-pressure-resistant glue materials.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the arrangement of the limiting spring, under the condition that no external force exists, the third sealing slide block blocks the air inlet of the air cylinder, the second sealing slide block blocks the air inlet and the air outlet of the air cylinder, the air cylinder is not communicated with the air source, and the switch handle is in a middle stop state; the switch handle is pulled towards the direction close to the valve body, the connecting rod is pulled to stretch the limiting spring through the linkage of the second rotating shaft and the first rotating shaft, meanwhile, the first sealing slide block, the second sealing slide block and the third sealing slide block move towards the switch box, the air inlet of the air cylinder and the main air inlet are in a communicated state, working gas enters the inner cavity of the valve body through the main air inlet source pipe and enters the air cylinder through the air inlet source pipe of the air cylinder, the air cylinder is urged to carry out the next operation, the force applied to the switch handle is released, the connecting rod and the switch handle complete the reset under the elastic force action of the limiting spring, when the air cylinder needs to work reversely, the switch handle only needs to be pulled towards the direction close to the limiting groove, the whole set of mechanism completes the work through manual operation through a mechanical structure, the traditional electric signal instruction is cancelled, the mechanism is simplified, the operation is simple and convenient, and the failure rate is low, a large amount of cost is saved.
2. The cylinder air inlet source pipe and the total air inlet source pipe adopt high-pressure rubber pipes, the durability is greatly improved, a plurality of balls which are fixedly installed on the inner side of the quick connector socket are used, the direction of the cylinder air inlet source pipe and the total air inlet source pipe can be adjusted through the quick connector plug, labor is saved, safety is improved, the whole joint is not prone to damage, the quick connector structure is fixed, and convenience is brought to replacement, operation is fast and simple, and later-period operation is facilitated.
Drawings
Fig. 1 is a schematic external structural view of a pneumatic isolation door control device for a plasma air heater according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a pneumatic isolation door control device for a plasma air heater according to the present invention;
fig. 3 is a schematic structural view of a quick connector suitable for a pneumatic isolation door control device of a plasma air heater according to the present invention.
In the figure: 1. a valve body; 2. a display board; 3. a switch box; 11. an air inlet of the cylinder; 12. the air inlet and outlet of the cylinder; 13. a total air inlet; 14. an air inlet source pipe of the cylinder; 15. an inner cavity of the valve body; 16. A total intake air source pipe; 17. an air outlet; 18. a connecting rod; 19. a first sealing slider; 20. a second sealing slide block; 21. a third sealing slider; 22. a limiting groove; 23. a limiting spring; 24. a quick connector structure; 25. a first rotating shaft; 26. a switch handle; 31. a second rotating shaft; 241. A quick connector base; 242. fastening a nut; 243. a quick connector socket; 245. quick connector plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a pneumatic isolated door control device suitable for a plasma air heater, including a valve body 1, a display board 2 is fixedly installed on the side of the valve body 1, a switch box 3 is also fixedly installed on the side of the valve body 1, an air cylinder air inlet 11 and an air cylinder air inlet and outlet 12 are opened on the top of the valve body 1, a total air inlet 13 and an air outlet 17 are opened on the bottom of the valve body 1, an air cylinder air inlet source pipe 14 is fixedly installed on the top of the valve body 1, a total air inlet source pipe 16 is fixedly installed on the bottom of the total air inlet 13, a valve body inner cavity 15 is opened inside the valve body 1, a first sealing slide block 19 is movably sleeved on the inner side of the valve body inner cavity 15, a connecting rod 18 is fixedly sleeved on the inner side of the first sealing slide block 19, a second sealing slide block 20 and a third sealing slide block 21 are fixedly sleeved on the surface side wall of the connecting rod 18, and a limit groove 22 is opened on the inner side of the valve body 1.
As shown in fig. 2, one end of the connecting rod 18 extends to the inner side of the switch box 3, and one end of the connecting rod 18 extending to the inner side of the switch box 3 is movably sleeved with a first rotating shaft 25, a switch handle 26 is movably sleeved on a surface side wall of the first rotating shaft 25, a second rotating shaft 31 is fixedly sleeved on the inner side of the switch box 3, and the second rotating shaft 31 is movably sleeved with the switch handle 26.
As shown in fig. 2, it is characterized in that the diameter of the limiting groove 22 is larger than the diameter of the connecting rod 18 and smaller than the diameter of the valve body inner cavity 15, and a first sealing slide block 19 is fixedly installed between the limiting groove 22 and the first sealing slide block 19.
Referring to fig. 2, the quick-connection structure 24 is fixedly installed between the cylinder air inlet source pipe 14 and the cylinder air inlet 11, between the main air inlet source pipe 16 and the main air inlet 13, the external dimensions of the first sealing slide block 19, the second sealing slide block 20 and the third sealing slide block 21 are consistent with the internal dimensions of the valve body inner cavity 15, and good air tightness is maintained between the structures.
As shown in fig. 3, the quick connector structure 24 includes a quick connector base 241, the quick connector base 241 is fixedly installed on the top end of the valve body 1, a fastening nut 242 is fixedly installed on the top end of the quick connector base 241, a quick connector socket 243 is fixedly installed on the top end of the fastening nut 242, and a quick connector plug 245 is fixedly installed on one end of the cylinder air inlet source pipe 14 and one end of the main air inlet source pipe 16 close to the valve body 1.
As shown in fig. 3, it is characterized in that the inner dimension of the quick connector socket 243 is identical to the outer dimension of the quick connector plug 245, and a plurality of balls are fixedly installed inside the quick connector socket 243.
The cylinder air intake source pipe 14 and the total air intake source pipe 16 are constructed of a high pressure resistant glue material.
In the utility model, under the condition of no external force, the connecting rod 18 keeps a static state through the arrangement of the limiting spring 23, the third sealing slide block 21 blocks the air inlet 11 of the air cylinder, the second sealing slide block 20 blocks the air inlet 12 and the air outlet 12 of the air cylinder, the air cylinder is not communicated with an air source, and the switch handle 26 is in a middle stop state;
the switch handle 26 is pulled towards the direction close to the valve body 1, the connecting rod 18 is pulled to stretch the limit spring 23 through the linkage of the second rotating shaft 31 and the first rotating shaft 25, meanwhile, the first sealing slide block 19, the second sealing slide block 20 and the third sealing slide block 21 move towards the switch box 3, the air inlet 11 of the air cylinder and the main air inlet 13 are in a communicated state, working gas enters the inner cavity 15 of the valve body through the main air inlet source pipe 16 and enters the air cylinder through the air inlet source pipe 14 of the air cylinder, the air cylinder is urged to carry out the next operation, the force applied to the switch handle 26 is released, the connecting rod 18 and the switch handle 26 complete the reset under the elastic force of the limit spring 23, when the air cylinder needs to work reversely, the switch handle 26 only needs to be pulled towards the direction close to the limit groove 22, the whole set of mechanism completes the work through manual operation and a mechanical structure, and the traditional electric signal instruction is cancelled, the mechanism is simplified, the operation is simple and convenient, the failure rate is low, and a large amount of cost is saved;
through a plurality of balls of the inboard fixed mounting of quick connector socket 243, the direction of adjusting cylinder air inlet source pipe 14 and total air inlet source pipe 16 through quick connector plug 245 can easily laborsaving and safer, cylinder air inlet source pipe 14 and total air inlet source pipe 16 adopt the high-pressure rubber tube, the durability has greatly been improved, whole junction is not fragile and is fixed through quick connector structure 24 and is convenient for change, the operation is swift simple, and make things convenient for the later stage operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a be applicable to pneumatic isolated door control device of plasma air heater, includes valve body (1), its characterized in that, the side fixed mounting of valve body (1) has display board (2), the side of valve body (1) is fixed mounting still has switch box (3), cylinder air inlet (11) and cylinder air inlet and outlet (12) have been seted up on the top of valve body (1), total air inlet (13) and gas outlet (17) have been seted up to the bottom of valve body (1), the top fixed mounting of valve body (1) has cylinder air inlet source pipe (14), the bottom fixed mounting of total air inlet (13) has total air inlet source pipe (16), valve body inner chamber (15) has been seted up to the inside of valve body (1), first sealed slider (19) has been cup jointed in the inboard activity of valve body inner chamber (15) the inboard of first sealed slider (19) has fixedly cup jointed connecting rod (18), the surface side wall of the connecting rod (18) is fixedly sleeved with a second sealing slide block (20) and a third sealing slide block (21), and the inner side of the valve body (1) is provided with a limiting groove (22).
2. The pneumatic isolation door control device suitable for the plasma air heater according to claim 1, wherein one end of the connecting rod (18) extends to the inner side of the switch box (3), and one end of the connecting rod (18) extending to the inner side of the switch box (3) is movably sleeved with a first rotating shaft (25), a switch handle (26) is movably sleeved on a surface side wall of the first rotating shaft (25), a second rotating shaft (31) is fixedly sleeved on the inner side of the switch box (3), and the second rotating shaft (31) is movably sleeved with the switch handle (26).
3. The device for controlling the pneumatic isolation door of the plasma air heater according to claim 1, wherein the diameter of the limiting groove (22) is larger than that of the connecting rod (18) and smaller than that of the valve body inner cavity (15), and a first sealing slide block (19) is fixedly installed between the limiting groove (22) and the first sealing slide block (19).
4. The pneumatic isolation door control device suitable for the plasma air heater is characterized in that a quick-connection-peg structure (24) is fixedly installed between the cylinder air inlet source pipe (14) and the cylinder air inlet (11) and between the main air inlet source pipe (16) and the main air inlet (13), the external dimensions of the first sealing slide block (19), the second sealing slide block (20) and the third sealing slide block (21) are consistent with the internal dimensions of the valve body inner cavity (15), and good air tightness is kept between the structures.
5. The pneumatic isolation door control device suitable for the plasma air heater according to claim 4, wherein the quick connector structure (24) comprises a quick connector base (241), the quick connector base (241) is fixedly installed at the top end of the valve body (1), a fastening nut (242) is fixedly installed at the top end of the quick connector base (241), a quick connector socket (243) is fixedly installed at the top end of the fastening nut (242), and a quick connector plug (245) is fixedly installed at one end, close to the valve body (1), of the cylinder air inlet source pipe (14) and the main air inlet source pipe (16).
6. The control device for the pneumatic isolation door of the plasma air heater according to claim 5, wherein the inner dimension of the quick connector socket (243) is matched with the outer dimension of the quick connector plug (245), and a plurality of balls are fixedly arranged inside the quick connector socket (243).
7. The device for controlling the pneumatic insulating door of the plasma air heater according to claim 1, wherein the cylinder air inlet source pipe (14) and the main air inlet source pipe (16) are made of high pressure resistant glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473715.0U CN215980950U (en) | 2021-06-30 | 2021-06-30 | Pneumatic isolation door control device suitable for plasma air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473715.0U CN215980950U (en) | 2021-06-30 | 2021-06-30 | Pneumatic isolation door control device suitable for plasma air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980950U true CN215980950U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121473715.0U Active CN215980950U (en) | 2021-06-30 | 2021-06-30 | Pneumatic isolation door control device suitable for plasma air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980950U (en) |
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2021
- 2021-06-30 CN CN202121473715.0U patent/CN215980950U/en active Active
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