Subway vehicle main wind pressure monitoring equipment

By designing the meshing connection between the base, the pressure gauge mechanism, and the transmission mechanism, the problem of the pressure gauge tilting during installation was solved, thus achieving stable installation and accurate measurement of the pressure gauge.

CN223565148UActive Publication Date: 2025-11-18CHANGCHUN CHANGKE ALSTOM RAILWAY VEHICLE CO LTD
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Patent Information

Application Number
CN202423167403.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-18
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

During the installation of the main air pressure monitoring equipment in subway vehicles, the air pressure gauge is prone to tilting, which can cause the connecting pipe and the ventilation pipe to misalign, affecting the installation effect.

Method used

A monitoring device comprising a base, a pressure gauge mechanism, a transmission mechanism, and a fixing mechanism was designed. The pressure gauge is securely installed through meshing and threaded connections, ensuring alignment between the connecting pipe and the ventilation pipe.

Benefits of technology

This ensures the stable installation of the wind pressure gauge, prevents air leakage, guarantees measurement accuracy, and improves installation efficiency and equipment reliability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223565148U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of metro monitoring equipment, in particular to metro vehicle main wind pressure monitoring equipment which comprises a base, the inner wall of the base is in sliding connection with the outer wall of a wind pressure gauge mechanism, a wind pressure gauge body is placed downwards, and the wind pressure gauge body moving downwards drives a wind pressure toothed plate to move downwards, so that the metro vehicle main wind pressure is monitored. The air pressure toothed plate moving downwards drives the transmission gear shaft to rotate through the meshing effect, the rotating transmission gear shaft drives the double-face toothed plate to move upwards through the meshing effect, the double-face toothed plate moves upwards to drive the fixed gear shaft to rotate through the meshing effect, and the rotating fixed gear shaft drives the fixed threaded pipe to rotate. The fixed threaded pipe rotates to drive the fixed threaded rod to do linear motion through the thread effect and the limiting effect of the limiting through hole, the fixed threaded rod does linear motion to drive the fixed clamping plate to do linear motion, the fixed clamping plate in linear motion can clamp the wind pressure meter body, the wind pressure meter body can be fixed, and follow-up installation of the wind pressure meter body is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to subway monitoring equipment technical field, concretely is a subway vehicle main air pressure monitoring equipment. BACKGROUND

[0002] City rail transit has the advantages of convenient, fast, punctual, huge passenger volume etc., is one of the very important public traffic components of modern city, and developing city rail transit is the best scheme to solve the problem of traffic congestion in big city. As the basic tool of city rail transit transportation, city rail transit vehicle is a high-tech product integrating mechanical engineering, power electronics, microelectronic control, network control, human engineering, aerodynamics, transportation science and other disciplines. The brake system has extremely important significance for ensuring train safety and punctual operation, and the main air pressure gauge of the subway vehicle displays the pressure change of the compressed air system to help the operator to know the brake state of the train.

[0003] At present, the air pressure gauge of most subway vehicle main air pressure monitoring equipment on the market is prone to be placed obliquely during installation, which causes the bottom connecting pipe and the ventilation pipe to be misaligned, affecting the installation of the air pressure gauge. UTILITY MODEL CONTENT

[0004] The utility model discloses a subway vehicle main air pressure monitoring equipment to solve the problem that the air pressure gauge is prone to be placed obliquely during installation in the background art, which causes the bottom connecting pipe and the ventilation pipe to be misaligned, affecting the installation of the air pressure gauge. To achieve the above object, the utility model provides the following technical scheme: a subway vehicle main air pressure monitoring equipment, comprising a base, the inner wall of the base is slidably connected with the outer wall of an air pressure gauge mechanism, the air pressure gauge mechanism is composed of an air pressure gauge body, an air pressure connecting pipe and two air pressure toothed plates, the outer wall of the air pressure gauge mechanism is meshedly connected with the outer side wall of a transmission mechanism, and two transmission mechanisms all comprise a transmission toothed shaft, a transmission connecting rod, two transmission mounting seats, a double-sided toothed plate and a limiting top plate.

[0005] One side of the transmission mechanism is meshedly connected with the outer side wall of a fixing mechanism, the fixing mechanism is composed of two fixing limiting plates, two fixing connecting plates, two fixing threaded pipes, two fixing toothed shafts, two fixing threaded rods, two fixing clamping plates, four fixing limiting rods and a fixing bottom plate, the bottom of the air pressure gauge mechanism is movably clamped with the top of a connecting mechanism, and the bottom of the connecting mechanism is fixedly connected with the top of the base.

[0006] Preferably, the base comprises a base, a support frame and a mounting frame, the top close to the back of the base is boltedly connected with the bottom of the support frame, the top of the support frame is fixedly connected with the bottom of the mounting frame, and the top of the mounting frame is provided with a mounting through hole.

[0007] Preferably, the bottom of the middle part of the wind pressure gauge body is movably connected with the top of the wind pressure connecting pipe, and the bottom of the wind pressure gauge body close to the outer wall is fixedly connected with the top of the two wind pressure toothed plates, and the outer wall of the wind pressure gauge body is movably sleeved with the inner wall of the mounting through hole.

[0008] Preferably, the outer side walls of the two transmission tooth shafts are movably connected with the sides of the two wind pressure toothed plates respectively, the inner wall of the transmission tooth shaft is movably connected with the outer wall of the middle part of the transmission connecting rod, the outer walls of the two ends of the transmission connecting rod are rotatably connected with the inner walls of the two transmission mounting seats respectively, the outer side wall of the front face of the transmission tooth shaft is movably connected with the left side of the double-sided toothed plate, and the top of the double-sided toothed plate is fixedly connected with the bottom of the limiting top plate.

[0009] Preferably, the inner walls of the two fixed limiting plates are slidably connected with the outer walls of the two double-sided toothed plates respectively, the opposite sides of the two fixed limiting plates are fixedly connected with the opposite sides of the two fixed connecting plates respectively, the inner walls of the two ends of the two fixed threaded pipes are rotatably connected with the outer walls of the two fixed threaded pipes respectively, the inner walls of the two ends of the two fixed threaded pipes are movably connected with the inner walls of the two fixed tooth shafts respectively, the inner walls of the other ends of the two fixed threaded pipes are threadedly connected with the outer walls of the two fixed threaded rods respectively, the other ends of the two fixed threaded rods are fixedly connected with the sides of the two fixed clamping plates respectively, the sides close to the middle parts of the two fixed clamping plates are fixedly connected with the opposite sides of the four fixed clamping plates respectively, the left sides close to the top of the two fixed connecting plates are provided with the two limiting through holes respectively, the inner walls of the four limiting through holes are movably sleeved with the outer walls of the four fixed limiting rods respectively, and the opposite sides of the bottom of the two fixed connecting plates are fixedly connected with the outer side walls of the fixed bottom plate.

[0010] Preferably, the connecting mechanism comprises an installation interface, an installation connecting pipe, a ventilation pipe, a ventilation valve, two ventilation fixing seats and a valve fixing seat, the inner wall of the installation interface is movably connected with the outer wall of the bottom of the wind pressure connecting pipe, the bottom of the installation interface is movably connected with the top of the installation connecting pipe, the right side of the installation connecting pipe is fixedly connected with the left side of the back of the ventilation pipe, the outer wall of the middle part of the ventilation pipe is movably connected with the inner wall of the ventilation valve, the outer walls of the front face and the back of the ventilation pipe are movably connected with the inner walls of the two ventilation fixing seats respectively, and the bottom of the ventilation valve is movably connected with the top of the valve fixing seat, and the bottoms of the two ventilation fixing seats and the valve fixing seat are fixedly connected with the top of the base.

[0011] Compared with the prior art, the wind pressure gauge has the advantages that:

[0012] The utility model discloses a wind pressure gauge body is placed to the down, and the wind pressure gauge body of down movement drives wind pressure gear plate to move down, and the wind pressure gear plate of down movement drives transmission gear axle to rotate through the meshing effect, and the transmission gear axle of rotation drives double -sided gear plate to move up through the meshing effect, and the double -sided gear plate moves up and drives fixed shaft through the meshing effect, and the fixed shaft of rotation drives fixed screw pipe to rotate, and the fixed screw pipe rotates and drives fixed threaded rod linear motion through the limiting effect of the limiting through -hole of screw action, and fixed threaded rod linear motion drives fixed clamping plate linear motion, and the fixed clamping plate of linear motion can be clamped to the wind pressure gauge body, can fix the wind pressure gauge body, and the installation of wind pressure gauge body is convenient subsequently.

[0013] The utility model discloses a wind pressure gauge body is placed to the down, and the wind pressure gauge body of down movement drives wind pressure connecting pipe to move down, and the wind pressure connecting pipe of down movement is matched with the installation interface, and the installation interface is rotated, and the installation interface of rotation is moved up along the wind pressure connecting pipe through screw action, and the installation interface of moving up can seal wind pressure connecting pipe and installation continuous pipe, prevent the error of wind pressure gauge body measurement caused by air leakage. DRAWINGS

[0014] Figure 1 It is the whole structure schematic drawing of the utility model;

[0015] Figure 2 It is the sectional view of the utility model;

[0016] Figure 3 It is the explosion drawing of the utility model;

[0017] Figure 4 It is the explosion drawing of wind pressure gauge machine and connecting mechanism in the utility model;

[0018] Figure 5 It is the explosion drawing of transmission mechanism and fixed mechanism in the utility model.

[0019] In the drawing: 1, base;101, base;102, support frame;103, installation frame;2, wind pressure gauge mechanism;201, wind pressure gauge body;202, wind pressure connecting pipe;203, wind pressure gear plate;3, transmission mechanism;301, transmission gear axle;302, transmission connecting rod;303, transmission mounting seat;304, double -sided gear plate;305, limiting top plate;4, fixed mechanism;401, fixed limiting plate;402, fixed connecting plate;403, fixed screw pipe;404, fixed gear shaft;405, fixed threaded rod;406, fixed clamping plate;407, fixed limiting rod;408, fixed bottom plate;5, connecting mechanism;501, installation interface;502, installation continuous pipe;503, ventilation pipe;504, ventilation valve;505, ventilation fixed seat;506, valve fixed seat. SPECIFIC EMBODIMENTS

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0021] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a subway vehicle main wind pressure monitoring equipment, including base 1, base 1's inner wall and wind pressure gauge mechanism 2's outer wall slidingly connected, wind pressure gauge mechanism 2 is by wind pressure gauge body 201, wind pressure connecting pipe 202 and two wind pressure toothed plate 203 are composed, wind pressure gauge mechanism 2's outer wall and transmission mechanism 3's outside wall meshing connection, two transmission mechanism 3 all include transmission gear shaft 301, transmission connecting rod 302, two transmission mounting seat 303, two -sided toothed plate 304 and spacing top plate 305;

[0022] The side of transmission mechanism 3 and the outside wall of fixed mechanism 4 are meshed, and the fixed mechanism 4 is composed of two fixed limiting plates 401, two fixed connecting plates 402, two fixed threaded pipes 403, two fixed gear shafts 404, two fixed threaded rods 405, two fixed clamping plates 406, four fixed limiting rods 407 and a fixed bottom plate 408, the bottom of wind pressure gauge mechanism 2 and the top of connecting mechanism 5 are movably clamped, and the bottom of connecting mechanism 5 and the top of base 1 are fixedly connected.

[0023] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the base 1 includes a base 101, a support frame 102 and an installation frame 103, the top of the base 101 near the back is bolted to the bottom of the support frame 102, and the top of the support frame 102 is fixedly connected to the bottom of the installation frame 103, the top of the installation frame 103 is provided with an installation through hole, and the support frame 102 can keep the device stable during working.

[0024] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown in the figure, the bottom of the middle of the wind pressure gauge body 201 is movably connected with the top of the wind pressure connecting pipe 202, and the bottom of the wind pressure gauge body 201 close to the outer wall is fixedly connected with the top of the two wind pressure toothed plates 203, and the outer wall of the wind pressure gauge body 201 is movably sleeved with the inner wall of the mounting through hole. The wind pressure gauge body 201 is placed downward, and the wind pressure gauge body 201 moving downward drives the wind pressure toothed plate 203 to move downward.

[0025] In this embodiment, as shown in the figure, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the outer side wall of the two transmission tooth shafts 301 is respectively meshed and connected with one side of the two wind pressure toothed plates 203, and the inner wall of the transmission tooth shaft 301 is movably connected with the outer wall of the middle of the transmission connecting rod 302. The outer wall of both ends of the transmission connecting rod 302 is respectively rotatably connected with the inner wall of the two transmission mounting seats 303, and the outer side wall of the front of the transmission tooth shaft 301 is meshed and connected with the left side of the double-sided toothed plate 304. The top of the double-sided toothed plate 304 is fixedly connected with the bottom of the limiting top plate 305. The wind pressure toothed plate 203 moving downward drives the transmission tooth shaft 301 to rotate through meshing action. The rotating transmission tooth shaft 301 drives the double-sided toothed plate 304 to move upward through meshing action.

[0026] In this embodiment, as shown in the figure, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the inner walls of the two fixed limiting plates 401 are respectively in sliding connection with the outer walls of the two double-sided toothed plates 304, and the opposite sides of the two fixed limiting plates 401 are respectively in fixed connection with the opposite sides of the two fixed connecting plates 402. The inner walls of the two fixed connecting plates 402 close to the top are respectively in rotating connection with the outer walls of the two fixed threaded pipes 403, and the outer walls of one ends of the two fixed threaded pipes 403 are respectively in movable clamping connection with the inner walls of the two fixed tooth shafts 404. The inner walls of the other ends of the two fixed threaded pipes 403 are respectively in threaded connection with the outer walls of the two fixed threaded rods 405, and the other ends of the two fixed threaded rods 405 are respectively in fixed connection with one sides of the two fixed clamping plates 406. The sides close to the middle of the two fixed clamping plates 406 are respectively in fixed connection with the opposite sides of the four fixed clamping plates 406, and the left sides close to the top of the two fixed connecting plates 402 are respectively provided with two limiting through holes. The inner walls of the four limiting through holes are respectively in movable sleeving connection with the outer walls of the four fixed limiting rods 407, and the opposite sides of the bottom of the two fixed connecting plates 402 are respectively in fixed connection with the outer side walls of the fixed bottom plate 408. The upward movement of the double-sided toothed plate 304 drives the fixed tooth shaft 404 to rotate through the meshing effect. The rotating fixed tooth shaft 404 drives the fixed threaded pipe 403 to rotate, and the rotating fixed threaded pipe 403 drives the fixed threaded rod 405 to move linearly through the limiting effect of the threaded effect and the limiting through hole. The linear movement of the fixed threaded rod 405 drives the fixed clamping plate 406 to move linearly, and the linearly moving fixed clamping plate 406 can clamp the air pressure gauge body 201 and fix the air pressure gauge body 201, facilitating the subsequent installation of the air pressure gauge body 201.

[0027] In this embodiment, as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the connecting mechanism 5 comprises a mounting interface 501, a mounting connecting pipe 502, a ventilation pipe 503, a ventilation valve 504, two ventilation fixing seats 505 and a valve fixing seat 506, the inner wall of the mounting interface 501 is threadedly connected with the outer wall of the bottom of the wind pressure connecting pipe 202, the bottom of the mounting interface 501 is rotationally connected with the top of the mounting connecting pipe 502, the right side of the mounting connecting pipe 502 is fixedly connected with the left side of the back of the ventilation pipe 503, the outer wall of the middle part of the ventilation pipe 503 is movably clamped with the inner wall of the ventilation valve 504, the outer walls of the front and back of the ventilation pipe 503 are movably clamped with the inner walls of the two ventilation fixing seats 505 respectively, the bottom of the ventilation valve 504 is movably clamped with the top of the valve fixing seat 506, the bottoms of the two ventilation fixing seats 505 and the valve fixing seat 506 are fixedly connected with the top of the base 101, the wind pressure connecting pipe 202 moves downward along with the wind pressure gauge body 201, the downward moving wind pressure connecting pipe 202 is matched with the mounting interface 501, the mounting interface 501 is rotated, the rotating mounting interface 501 moves upward along the wind pressure connecting pipe 202 through the thread action, the upward moving mounting interface 501 can seal the wind pressure connecting pipe 202 and the mounting connecting pipe 502, so that the air leakage is prevented to cause the measurement error of the wind pressure gauge body 201.

[0028] The use method and advantages of the utility model are as follows:

[0029] For example Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5As shown, by placing the wind pressure gauge body 201 downward, the downward moving wind pressure gauge body 201 drives the wind pressure gear plate 203 to move downward, the downward moving wind pressure gear plate 203 drives the transmission gear shaft 301 to rotate through the meshing effect, the rotating transmission gear shaft 301 drives the double-sided gear plate 304 to move upward through the meshing effect, the upward moving double-sided gear plate 304 drives the fixed gear shaft 404 to rotate through the meshing effect, the rotating fixed gear shaft 404 drives the fixed threaded pipe 403 to rotate, the rotating fixed threaded pipe 403 drives the fixed threaded rod 405 to move linearly through the thread effect and the limiting effect of the limiting through hole, the linearly moving fixed threaded rod 405 drives the fixed clamping plate 406 to move linearly, the linearly moving fixed clamping plate 406 can clamp the wind pressure gauge body 201, and the wind pressure gauge body 201 can be fixed, which is convenient for subsequent installation of the wind pressure gauge body 201, the downward moving wind pressure gauge body 201 drives the wind pressure connecting pipe 202 to move downward, the downward moving wind pressure connecting pipe 202 is matched with the installation interface 501, the installation interface 501 is rotated, the rotating installation interface 501 moves upward along the wind pressure connecting pipe 202 through the thread effect, and the upward moving installation interface 501 can seal the wind pressure connecting pipe 202 and the installation connecting pipe 502, so that the error in the measurement of the wind pressure gauge body 201 caused by air leakage is prevented.

[0030] The basic principle, main characteristics and advantages of the utility model are shown and described above. It should be understood by the technical personnel in the industry that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A subway vehicle main air pressure monitoring device comprising a base (1), characterized in that: The inner wall of the base (1) is in sliding connection with the outer wall of the air pressure gauge mechanism (2), the air pressure gauge mechanism (2) is composed of an air pressure gauge body (201), an air pressure connecting pipe (202) and two air pressure toothed plates (203), the outer wall of the air pressure gauge mechanism (2) is in meshing connection with the outer side wall of the transmission mechanism (3), and the two transmission mechanisms (3) each comprise a transmission toothed shaft (301), a transmission connecting rod (302), two transmission mounting seats (303), a double-sided toothed plate (304) and a limiting top plate (305). One side of the transmission mechanism (3) is in meshing connection with the outer side wall of the fixing mechanism (4), the fixing mechanism (4) is composed of two fixing limiting plates (401), two fixing connecting plates (402), two fixing threaded pipes (403), two fixing toothed shafts (404), two fixing threaded rods (405), two fixing clamping plates (406), four fixing limiting rods (407) and a fixing bottom plate (408), the bottom of the air pressure gauge mechanism (2) is in movable clamping connection with the top of the connecting mechanism (5), and the bottom of the connecting mechanism (5) is in fixed connection with the top of the base (1).

2. The main air pressure monitoring device for a subway vehicle according to claim 1, characterized in that: The base (1) comprises a base (101), a support frame (102) and a mounting frame (103), the bottom of the support frame (102) is in bolted connection with the top of the base (101) close to the back, the top of the support frame (102) is in fixed connection with the bottom of the mounting frame (103), and the top of the mounting frame (103) is provided with a mounting through hole.

3. The main air pressure monitoring device for a subway vehicle according to claim 2, characterized in that: The bottom of the middle part of the air pressure gauge body (201) is in movable clamping connection with the top of the air pressure connecting pipe (202), the bottom of the air pressure gauge body (201) close to the outer wall is in fixed connection with the top of the two air pressure toothed plates (203) respectively, and the outer wall of the air pressure gauge body (201) is in movable sleeving connection with the inner wall of the mounting through hole.

4. The main air pressure monitoring device for a subway vehicle according to claim 3, characterized in that: The outer side walls of the two transmission toothed shafts (301) are in meshing connection with one side of the two air pressure toothed plates (203) respectively, the outer wall of the transmission toothed shaft (301) is in movable clamping connection with the outer wall of the middle part of the transmission connecting rod (302), the outer walls of the two ends of the transmission connecting rod (302) are in rotary connection with the inner walls of the two transmission mounting seats (303) respectively, the outer side wall of the front face of the transmission toothed shaft (301) is in meshing connection with the left side of the double-sided toothed plate (304), and the top of the double-sided toothed plate (304) is in fixed connection with the bottom of the limiting top plate (305).

5. The main air pressure monitoring device for a subway vehicle according to claim 4, characterized in that: The inner walls of the two fixing limiting plates (401) are slidably connected with the outer walls of the two double-sided toothed plates (304) respectively, and the opposite sides of the two fixing limiting plates (401) are fixedly connected with the opposite sides of the two fixing connecting plates (402) respectively; the inner walls of the two fixing connecting plates (402) close to the top are rotatably connected with the outer walls of the two fixed threaded pipes (403) respectively, and the outer walls of one ends of the two fixed threaded pipes (403) are movably clamped with the inner walls of the two fixed toothed shafts (404) respectively; the inner walls of the other ends of the two fixed threaded pipes (403) are threadedly connected with the outer walls of the two fixed threaded rods (405) respectively, and the other ends of the two fixed threaded rods (405) are fixedly connected with one sides of the two fixed clamping plates (406) respectively; the sides close to the middle of the two fixed clamping plates (406) are fixedly connected with the opposite sides of the four fixed clamping plates (406) respectively, and the left sides close to the top of the two fixing connecting plates (402) are provided with two limiting through holes respectively; the inner walls of the four limiting through holes are movably sleeved with the outer walls of the four fixed limiting rods (407) respectively, and the opposite sides of the bottom of the two fixing connecting plates (402) are fixedly connected with the outer side walls of the fixed bottom plate (408).

6. The main air pressure monitoring device for a subway vehicle according to claim 3, characterized in that: The connecting mechanism (5) comprises a mounting interface (501), a mounting connecting pipe (502), a ventilation pipe (503), a ventilation valve (504), two ventilation fixing bases (505) and a valve fixing base (506). The inner wall of the mounting interface (501) is movably clamped with the outer wall of the bottom of the wind pressure connecting pipe (202), and the bottom of the mounting interface (501) is movably clamped with the top of the mounting connecting pipe (502). The right side of the mounting connecting pipe (502) is fixedly connected with the left side of the back of the ventilation pipe (503), and the outer wall of the middle of the ventilation pipe (503) is movably clamped with the inner wall of the ventilation valve (504). The outer walls of the front and back of the ventilation pipe (503) are movably clamped with the inner walls of the two ventilation fixing bases (505) respectively, and the bottom of the ventilation valve (504) is movably clamped with the top of the valve fixing base (506). The bottoms of the two ventilation fixing bases (505) and the bottom of the valve fixing base (506) are fixedly connected with the top of the base (101).