CN219413687U - Relay valve noise valve sound insulation structure - Google Patents
Relay valve noise valve sound insulation structure Download PDFInfo
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- CN219413687U CN219413687U CN202320915150.XU CN202320915150U CN219413687U CN 219413687 U CN219413687 U CN 219413687U CN 202320915150 U CN202320915150 U CN 202320915150U CN 219413687 U CN219413687 U CN 219413687U
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Abstract
The utility model discloses a noise-insulation structure of a relay valve, which relates to the technical field of relay valves, is suitable for noise reduction of the relay valve and comprises a relay valve cover; a relay valve body arranged at one side of the relay valve cover; the overshoot valve is arranged on the outer surface of the relay valve cover; and the sound insulation unit is arranged on the side surface of the relay valve body and used for assisting in sound insulation, the relay valve body comprises a valve body shell, a connecting ventilation shell, an air supply valve and a relay valve diaphragm plate, the sound insulation unit comprises a pressure release and noise reduction assembly and a ventilation valve, and one side of the valve body shell is detachably connected with one side of the relay valve cover. According to the utility model, through the cooperation of the connecting block, the spring column, the piston, the connecting block, the vent hole and the connecting pipe, when the pressure is released by the vent valve, the flow rate of gas can be regulated according to the intensity of the pressure, so that the pressure is higher when the gas is prevented from being sprayed out through a single hole, and the air vibration is more obvious.
Description
Technical Field
The utility model relates to the technical field of relay valves, in particular to a noise valve sound insulation structure of a relay valve.
Background
The relay valve mainly receives the control of a self-valve and directly controls the pressure change of a brake pipe, so that the train brakes, pressure maintaining or relieving is realized, 5 pipes including the brake pipe, a main reservoir pipe, a middle average pipe, an overcharging pipe and a shutoff valve pipe are arranged on a pipe seat, the relay valve consists of a double-valve port relay valve shutoff valve, a main wind shutoff valve and a pipe seat, all pipe valves interact to control the locomotive to brake and relieve, the relay valve usually needs to release pressure in the working process, and therefore larger noise is generated, and the normal working of workers is influenced.
In the prior art, in the patent document with the publication number of CN212353951U, a relay valve capable of improving working sensitivity is provided, which comprises a valve body assembly, a piston assembly and a valve core assembly, wherein a piston assembly is arranged at the bottom end inside the valve body assembly, the piston assembly is arranged at the upper end of the piston assembly, a valve core assembly is arranged on the valve core assembly, a valve core spring is arranged on the valve core assembly, an exhaust cap is connected with the upper end of the valve core assembly, the exhaust cap is arranged on the upper surface of the valve body assembly, an input cavity and an output cavity are arranged at the two sides of the valve core assembly, the output cavity is arranged at the lower end of the input cavity, the input cavity is connected with the total wind of a system, the output cavity is connected with a brake cylinder, a control cavity is arranged at the lower end of the piston assembly, and the control cavity is connected with a train control system.
In order to solve the problem that the existing relay valve cannot meet the domestic high-speed railway industry in the use process, the prior art adopts the mode that the stress of the valve core assembly reaches an ideal balance state by changing the action condition of working air pressure on the valve core assembly, so that the relay valve can ensure the sealing performance of the relay valve under the condition of ensuring the working sensitivity, but the problem that the relay valve can generate larger noise condition when the relay valve is used for pressure relief, and further the driving safety of staff is caused.
Disclosure of Invention
The utility model aims to provide a noise valve sound insulation structure of a relay valve, which solves the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the noise-insulating structure of the noise valve of the relay valve is suitable for noise reduction of the relay valve and comprises a relay valve cover; a relay valve body arranged at one side of the relay valve cover; the overshoot valve is arranged on the outer surface of the relay valve cover; the sound insulation unit is arranged on the side face of the relay valve body and used for assisting in sound insulation, the relay valve body comprises a valve body shell, a connecting ventilation shell, an air supply valve and a relay valve diaphragm plate, and the sound insulation unit comprises a pressure release and noise reduction assembly and a ventilation valve.
The technical scheme of the utility model is further improved as follows: one side of the valve body shell is detachably connected with one side of the relay valve cover, the outer surface of the valve body shell is fixedly connected with one side of the connecting ventilation shell, and the air supply valve is arranged in the valve body shell.
The technical scheme of the utility model is further improved as follows: the air supply valve comprises a push rod, one side of the push rod is fixedly connected with an exhaust valve spring, the outer surface of the exhaust valve spring is sleeved with a bushing, and the other side of the bushing is fixedly connected with an exhaust valve.
By adopting the technical scheme, the retraction of the pressure inside the valve body shell can be changed through the cooperation of the ejector rod, the bushing, the exhaust valve spring and the exhaust valve.
The technical scheme of the utility model is further improved as follows: the relay valve diaphragm plate comprises a diaphragm plate, wherein the outer surface of the diaphragm plate is detachably connected with a pressing plate, and the outer surface of the pressing plate is in threaded connection with the inner wall of the fixing bolt.
By adopting the technical scheme, the pressure inside the valve body shell can be changed in an auxiliary way through the cooperation of the diaphragm plate, the pressing plate and the fixing bolt.
The technical scheme of the utility model is further improved as follows: the pressure release and noise reduction assembly comprises a sound insulation shell, an exhaust hole is formed in the outer surface of the sound insulation shell, one side of the sound insulation shell is detachably connected with one side of the connecting ventilation shell, springs and telescopic rods are fixedly connected to two sides of the inner wall of the sound insulation shell, and spoilers are fixedly connected to one sides of the springs and the telescopic rods.
By adopting the technical scheme, the gas flow direction generated when the relay valve releases gas can be changed through the cooperation of the sound insulation shell, the spring, the telescopic rod and the spoiler.
The technical scheme of the utility model is further improved as follows: the bottom surface fixedly connected with baffle of sound insulation shell, the upper surface fixedly connected with choked flow piece of baffle.
By adopting the technical scheme, the baffle and the choke block are matched, so that choke disturbance can be assisted to the gas.
The technical scheme of the utility model is further improved as follows: the breather valve comprises a connecting pipe, the outer surface of the connecting pipe is fixedly connected with the inner wall of the sound insulation shell, one side of the connecting pipe is fixedly connected with a breather pipe, the outer surface of the breather pipe is provided with a vent hole, the inner wall of the breather pipe is slidably connected with a piston, one side of the piston is fixedly connected with a spring column, and one side of the spring column is fixedly connected with a connecting block.
By adopting the technical scheme, through the cooperation of connecting block, spring column, piston, connecting block, air vent and connecting pipe, when the breather valve releases pressure, can be according to the intensity of pressure, the velocity of flow of gas is adjusted.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a noise valve sound insulation structure of a relay valve, which adopts the mutual coordination of a valve body shell, a connecting ventilation shell, an air supply valve and a relay valve diaphragm plate, and can assist in regulating the pressure inside the relay valve.
2. The utility model provides a noise valve sound insulation structure of a relay valve, which adopts the cooperation of a sound insulation shell, a spring, a telescopic rod, a flow blocking plate, a baffle plate, a flow blocking block and a ventilation valve, and can assist in the auxiliary elimination of noise generated when the relay valve releases gas, so that the practicability of the relay valve is improved.
3. The utility model provides a noise valve sound insulation structure of a relay valve, which adopts the cooperation of a connecting block, a spring column, a piston, a connecting block, a vent hole and a connecting pipe, when the pressure intensity is released by the vent valve, the flow velocity of gas can be regulated according to the pressure intensity, and the pressure intensity is higher when the gas is prevented from being sprayed out through a single hole, so that the air vibration is more obvious.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the present utility model;
FIG. 3 is a schematic view of the structure of the air supply valve of the present utility model;
FIG. 4 is a schematic view of the exhaust valve according to the present utility model;
FIG. 5 is a schematic view of the sound insulation unit structure of the present utility model;
figure 6 is a schematic view of the vent valve of the present utility model.
In the figure: 1. a relay valve cover; 2. a relay valve body; 21. a valve body housing; 22. connecting a ventilation shell; 23. an air supply valve; 231. a push rod; 232. a bushing; 233. an exhaust valve spring; 234. an exhaust valve; 24. a relay valve diaphragm; 241. a membrane plate; 242. a pressing plate; 243. a fixing bolt; 3. an overshoot valve; 4. a sound insulation unit; 41. a sound insulation housing; 411. an exhaust hole; 42. a spring; 43. a telescopic rod; 44. a spoiler; 45. a baffle; 46. a choke block; 47. a vent valve; 471. a connecting block; 472. a spring post; 473. a piston; 474. a vent pipe; 4741. a vent hole; 475. and (5) connecting pipes.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1 to 6, the present utility model provides a noise valve sound insulation structure of a relay valve, comprising a relay valve cover 1; a relay valve body 2 provided on one side of the relay valve cover 1; an overshoot valve 3 provided on the outer surface of the relay valve cap 1; and the sound insulation unit 4 is arranged on the side surface of the relay valve body 2 and used for assisting sound insulation, the relay valve body 2 comprises a valve body shell 21, a connecting ventilation shell 22, an air supply valve 23 and a relay valve diaphragm plate 24, the sound insulation unit 4 comprises a pressure releasing and noise reducing component and a ventilation valve 47, one side of the valve body shell 21 is detachably connected with one side of the relay valve cover 1, the outer surface of the valve body shell 21 is fixedly connected with one side of the connecting ventilation shell 22, the air supply valve 23 is arranged in the valve body shell 21, the air supply valve 23 comprises a push rod 231, one side of the push rod 231 is fixedly connected with an air discharge valve spring 233, the outer surface of the air discharge valve spring 233 is sleeved with a bushing 232, the other side of the bushing 232 is fixedly connected with an air discharge valve 234, the relay valve diaphragm plate 24 comprises a diaphragm plate 241, the outer surface of the diaphragm plate 241 is detachably connected with a pressing plate 242, the outer surface of the pressing plate 242 is in threaded connection with the inner wall of a fixing bolt 243, when the inner pressure of the valve body shell 21 and the relay valve cover 1 are required to be regulated, the inner pressure of the relay valve 24 is regulated through a control handle, and the release of the total air shutoff valve body is matched, so that the release of the pressure inside the valve body 21 can be assisted.
Example 2
As shown in fig. 1-6, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the pressure releasing and noise reducing assembly comprises a sound insulation shell 41, an exhaust hole 411 is formed in the outer surface of the sound insulation shell 41, one side of the sound insulation shell 41 is detachably connected with one side of the connecting ventilation shell 22, two sides of the inner wall of the sound insulation shell 41 are fixedly connected with a spring 42 and a telescopic rod 43, one side of the spring 42 and one side of the telescopic rod 43 are fixedly connected with a flow blocking plate 44, the bottom surface of the sound insulation shell 41 is fixedly connected with a baffle 45, the upper surface of the baffle 45 is fixedly connected with a flow blocking block 46, when the relay valve is releasing pressure, gas can enter the ventilation valve 47, the gas is released into the sound insulation shell 41 through the connecting block 471, the gas can be disturbed by matching with the buffer flow blocking effect of the flow blocking plate 44 and the spring 42 and then the telescopic rod 43, and then the flow blocking of the baffle 45 and the flow blocking block 46 are matched, and finally the gas is discharged through the exhaust hole 411.
Example 3
As shown in fig. 1-6, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the breather valve 47 includes a connecting pipe 475, the outer surface of the connecting pipe 475 is fixedly connected with the inner wall of the sound insulation shell 41, one side of the connecting pipe 475 is fixedly connected with a breather pipe 474, a breather hole 4741 is provided on the outer surface of the breather pipe 474, the inner wall of the breather pipe 474 is slidingly connected with a piston 473, one side of the piston 473 is fixedly connected with a spring column 472, one side of the spring column 472 is fixedly connected with a connecting block 471, when the connecting pipe 475 releases the internal pressure of the valve body shell 21, if the pressure is too high, the piston 473 moves to one side under the limit of the spring column 472, so that the breather hole 4741 is simultaneously decompressed, so that when the pressure is released in a single hole manner, the pressure of air is high, so that strong vibration is induced, and thus larger noise is generated.
The following specifically explains the working principle of the noise valve sound insulation structure of the relay valve.
As shown in fig. 1-6, when the internal pressure of the valve body housing 21 and the relay valve cover 1 needs to be regulated, the retraction of the relay valve diaphragm plate 24 is regulated by controlling the handle, the release of the gas by the valve body is blocked by the total wind, so that the release and pressurization of the pressure in the valve body housing 21 can be assisted, when the relay valve is releasing the pressure, the gas can enter the ventilation valve 47 through the connecting pipe 475, when the pressure in the valve body housing 21 is released by the connecting pipe 475, if the pressure is overlarge, the piston 473 can move to one side under the limit of the spring post 472, so that the two holes of the ventilation hole 4741 are simultaneously decompressed, when the decompression is prevented by adopting a single hole mode, the gas is released into the sound insulation housing 41 by the connecting block 471 when the pressure of the air is large, the gas can be disturbed by the buffer and flow blocking effects of the baffle plate 44 and the spring 42 and the telescopic rod 43, and the flow blocking of the baffle 45 and the flow blocking block 46 are matched, and finally the gas is discharged through the ventilation hole 411.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The noise-insulation structure of the noise valve of the relay valve is suitable for noise reduction of the relay valve and comprises a relay valve cover (1);
a relay valve body (2) provided on one side of the relay valve cover (1);
an overshoot valve (3) arranged on the outer surface of the relay valve cover (1);
and sound insulation unit (4) that is arranged on the side surface of the relay valve body (2) and used for assisting sound insulation, and is characterized in that: the relay valve body (2) comprises a valve body shell (21), a connecting ventilation shell (22), an air supply valve (23) and a relay valve diaphragm plate (24), and the sound insulation unit (4) comprises a pressure release and noise reduction assembly and a ventilation valve (47).
2. The relay valve noise valve sound insulation structure according to claim 1, wherein: one side of the valve body shell (21) is detachably connected with one side of the relay valve cover (1), the outer surface of the valve body shell (21) is fixedly connected with one side of the connecting ventilation shell (22), and the air supply valve (23) is arranged in the valve body shell (21).
3. The relay valve noise valve sound insulation structure according to claim 1, wherein: the air supply valve (23) comprises a push rod (231), one side of the push rod (231) is fixedly connected with an exhaust valve spring (233), the outer surface of the exhaust valve spring (233) is sleeved with a bushing (232), and the other side of the bushing (232) is fixedly connected with an exhaust valve (234).
4. The relay valve noise valve sound insulation structure according to claim 1, wherein: the relay valve diaphragm plate (24) comprises a diaphragm plate (241), wherein a pressing plate (242) is detachably connected to the outer surface of the diaphragm plate (241), and the outer surface of the pressing plate (242) is in threaded connection with the inner wall of a fixing bolt (243).
5. The relay valve noise valve sound insulation structure according to claim 1, wherein: the pressure release and noise reduction assembly comprises a sound insulation shell (41), an exhaust hole (411) is formed in the outer surface of the sound insulation shell (41), one side of the sound insulation shell (41) is detachably connected with one side of a connecting ventilation shell (22), springs (42) and telescopic rods (43) are fixedly connected to two sides of the inner wall of the sound insulation shell (41), and spoilers (44) are fixedly connected to one sides of the springs (42) and the telescopic rods (43).
6. The relay valve noise valve sound insulation structure according to claim 5, wherein: the bottom surface of sound insulation shell (41) fixedly connected with baffle (45), the upper surface of baffle (45) is fixedly connected with choked flow piece (46).
7. The relay valve noise valve sound insulation structure according to claim 1, wherein: the breather valve (47) comprises a connecting pipe (475), the outer surface of the connecting pipe (475) is fixedly connected with the inner wall of the sound insulation shell (41), one side of the connecting pipe (475) is fixedly connected with a breather pipe (474), a breather hole (4741) is formed in the outer surface of the breather pipe (474), a piston (473) is slidably connected with the inner wall of the breather pipe (474), a spring column (472) is fixedly connected to one side of the piston (473), and a connecting block (471) is fixedly connected to one side of the spring column (472).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915150.XU CN219413687U (en) | 2023-04-21 | 2023-04-21 | Relay valve noise valve sound insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915150.XU CN219413687U (en) | 2023-04-21 | 2023-04-21 | Relay valve noise valve sound insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413687U true CN219413687U (en) | 2023-07-25 |
Family
ID=87238589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320915150.XU Active CN219413687U (en) | 2023-04-21 | 2023-04-21 | Relay valve noise valve sound insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413687U (en) |
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2023
- 2023-04-21 CN CN202320915150.XU patent/CN219413687U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wen Xulong Inventor after: Li Yumin Inventor after: Chen Mingfu Inventor after: Peng Xianyin Inventor after: Liu Huijie Inventor after: Che Jiazheng Inventor after: Zhang Yin Inventor after: Zhang Junming Inventor after: Xu June Inventor after: Wang Lin Inventor before: Wen Xulong Inventor before: Li Yumin Inventor before: Chen Mingfu Inventor before: Peng Xianyin Inventor before: Liu Huijie Inventor before: Che Jiazheng Inventor before: Zhang Yin Inventor before: Zhang Junmin Inventor before: Xu June Inventor before: Wang Lin |