CN216389254U

CN216389254U - Exhaust structure of cold cathode vacuum electronic device

Info

Publication number: CN216389254U
Application number: CN202123182822.0U
Authority: CN
Inventors: 徐季; 张建; 贾若雪
Original assignee: Nanjing Weikong Weina Technology Co ltd
Current assignee: Nanjing Weikong Weina Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-04-26
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an exhaust structure of a cold cathode vacuum electronic device, which comprises a cold cathode vacuum gauge, wherein the bottom of the cold cathode vacuum gauge is fixedly connected with a box body, the bottom of the inner wall of the box body is fixedly connected with a fan, the output end of the fan is communicated with a flexible hose, one side of the flexible hose, far away from the fan, is communicated with an air blowing plate, the front side and the rear side of the air blowing plate are both fixedly connected with sliding blocks, sliding rods are arranged inside the sliding blocks, the sliding rods are fixedly connected to the top of the inner cavity of the box body, both sides of the bottom of the inner wall of the box body are both fixedly connected with a motor, the output end of the motor is fixedly connected with a winding disc, and the surface of the winding disc is fixedly connected with a pull rope. The utility model has the advantage of exhaust, and solves the problems that the traditional cold cathode vacuum gauge is lack of an exhaust structure, the inside of the cold cathode vacuum gauge cannot be exhausted, the air in the cold cathode vacuum gauge cannot circulate, and the internal components are easily damaged.

Description

Exhaust structure of cold cathode vacuum electronic device

Technical Field

The utility model relates to the technical field of cold cathode vacuum electronic devices, in particular to an exhaust structure of a cold cathode vacuum electronic device.

Background

Need use the cold cathode vacuum gauge in the atmospheric pressure testing process, traditional cold cathode vacuum gauge lacks exhaust structure, can't exhaust the inside of cold cathode vacuum gauge, makes the unable circulation of inside air of cold cathode vacuum gauge, causes the impaired problem of its inside components and parts easily.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the present invention provides an exhaust structure of a cold cathode vacuum electronic device, which has an advantage of exhausting air, and solves the problem that the conventional cold cathode vacuum gauge lacks an exhaust structure, cannot exhaust air inside the cold cathode vacuum gauge, cannot circulate air inside the cold cathode vacuum gauge, and easily damages internal components thereof.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an exhaust structure of cold cathode vacuum electron device, includes the cold cathode vacuum gauge, the bottom fixedly connected with box of cold cathode vacuum gauge, the bottom fixedly connected with fan of box inner wall, the output intercommunication of fan has bellows, one side intercommunication that the fan was kept away from to bellows has the blowing board, the equal fixedly connected with slider in front side and the rear side of blowing board, the inside of slider is provided with the slide bar, slide bar fixed connection is at the top of box inner chamber, the equal fixedly connected with motor in both sides of box inner wall bottom, the output fixedly connected with rolling dish of motor, the fixed surface of rolling dish is connected with the stay cord, one side fixed connection that the motor was kept away from to the stay cord is on the surface of blowing board.

Preferably, the output end of the fan is communicated with a gas-collecting hood, and the bottom of the gas-collecting hood is fixedly connected with the bottom of the inner wall of the box body.

Preferably, the bottom of the box body is fixedly connected with a limiting frame, a filter plate is arranged in the limiting frame, limiting devices are fixedly arranged on two sides of the bottom of the limiting frame, and the surfaces of the limiting devices are in contact with the surfaces of the filter plate.

Preferably, the top of the filter plate is fixedly connected with a sealing gasket, and the top of the sealing gasket is contacted with the bottom of the box body.

Preferably, the left side of the bottom of the filter plate is fixedly connected with a handle, and the length of the handle is smaller than that of the filter plate.

Preferably, the top parts of the two sides of the inner wall of the box body are fixedly connected with limiting wheels, and the surfaces of the limiting wheels are in contact with the surface of the pull rope.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model uses the cold cathode vacuum gauge, the box body, the fan, the flexible hose, the blowing plate, the slide block, the slide bar, the motor, the rolling disc and the pull rope in a matching way, when the cold cathode vacuum gauge needs to exhaust the interior, the motor and the fan are started, the fan conveys the air filtered by the filter plate to the interior of the blowing plate through the gas collecting hood and the flexible hose, the blowing plate conveys the internal air flow to the interior of the cold cathode vacuum gauge, meanwhile, the output end of the motor drives the rolling disc to rotate clockwise, the rolling disc drives the pull rope, the blowing plate and the slide block to move towards the right side, the internal air flow can be uniformly conveyed to the interior of the cold cathode vacuum gauge in the moving process of the blowing plate, when new air enters the interior of the cold cathode vacuum gauge, the original air in the interior is exhausted, the utility model has the advantage of exhausting, and solves the problem that the traditional cold cathode vacuum gauge lacks an exhaust structure, the inside of the cold cathode vacuum gauge can not be exhausted, so that the inside air of the cold cathode vacuum gauge can not circulate, and the internal components are easily damaged.

2. The air collecting hood is arranged, so that the fan can conveniently absorb air, and the phenomenon that the fan absorbs air in the box body is avoided.

3. According to the utility model, the filter plate is arranged, so that the air flow output by the fan can be filtered, and the phenomenon that dust in the air flow enters the cold cathode vacuum gauge is avoided.

4. According to the utility model, the sealing gasket is arranged, so that the gap between the box body and the filter plate can be filled, and the phenomenon that air passes through the gap and enters the inside of the gas collecting hood is avoided.

5. The utility model can conveniently use and pull the filter plate to move by arranging the handle, avoids the phenomenon that the filter plate is difficult to pull, and improves the working efficiency of the filter plate.

6. According to the utility model, the limiting wheel is arranged, so that the stay cord can be limited, the stay cord is prevented from contacting with a fan, and the safety of the stay cord is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a perspective cross-sectional view of the slide bar of the present invention.

In the figure: 1. a cold cathode vacuum gauge; 2. a box body; 3. a fan; 4. a flexible hose; 5. a blowing plate; 6. a slider; 7. a slide bar; 8. a motor; 9. a winding disc; 10. pulling a rope; 11. a gas-collecting hood; 12. a limiting frame; 13. a filter plate; 14. a limiting device; 15. a gasket; 16. a handle; 17. and a limiting wheel.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the exhaust structure of the cold cathode vacuum electronic device provided by the utility model comprises a cold cathode vacuum gauge 1, wherein a box body 2 is fixedly connected to the bottom of the cold cathode vacuum gauge 1, a fan 3 is fixedly connected to the bottom of the inner wall of the box body 2, an output end of the fan 3 is communicated with a flexible hose 4, one side of the flexible hose 4, which is far away from the fan 3, is communicated with an air blowing plate 5, sliders 6 are fixedly connected to the front side and the rear side of the air blowing plate 5, a slide bar 7 is arranged inside the sliders 6, the slide bar 7 is fixedly connected to the top of the inner cavity of the box body 2, motors 8 are fixedly connected to both sides of the bottom of the inner wall of the box body 2, a winding disc 9 is fixedly connected to the output end of the motor 8, a pull rope 10 is fixedly connected to the surface of the winding disc 9, and one side of the pull rope 10, which is far away from the motors 8, is fixedly connected to the surface of the air blowing plate 5.

Referring to fig. 1, the output end of the fan 3 is communicated with a gas-collecting hood 11, and the bottom of the gas-collecting hood 11 is fixedly connected to the bottom of the inner wall of the box body 2.

As a technical optimization scheme of the utility model, the air collecting hood 11 is arranged, so that the fan 3 can conveniently absorb air, and the phenomenon that the fan 3 absorbs air in the box body 2 is avoided.

Referring to fig. 2, a limiting frame 12 is fixedly connected to the bottom of the box body 2, a filter plate 13 is arranged inside the limiting frame 12, limiting devices 14 are fixedly mounted on two sides of the bottom of the limiting frame 12, and the surfaces of the limiting devices 14 are in contact with the surface of the filter plate 13.

As a technical optimization scheme of the utility model, the filter plate 13 is arranged, so that the air flow output by the fan 3 can be filtered, and the phenomenon that dust in the air flow enters the cold cathode vacuum gauge 1 is avoided.

Referring to fig. 2, a gasket 15 is fixedly attached to the top of the filter plate 13, and the top of the gasket 15 is in contact with the bottom of the case 2.

As a technical optimization scheme of the utility model, the sealing gasket 15 is arranged, so that the gap between the box body 2 and the filtering plate 13 can be filled, and the phenomenon that air passes through the gap and enters the gas collecting hood 11 is avoided.

Referring to fig. 2, a handle 16 is fixedly connected to the left side of the bottom of the filter plate 13, and the length of the handle 16 is less than that of the filter plate 13.

As a technical optimization scheme of the utility model, the filter plate 13 can be conveniently pulled to move by arranging the handle 16, the phenomenon that the filter plate 13 is difficult to pull is avoided, and the working efficiency of the filter plate 13 is improved.

Referring to fig. 1, the top of both sides of the inner wall of the box body 2 is fixedly connected with a limiting wheel 17, and the surface of the limiting wheel 17 is in contact with the surface of the pull rope 10.

As a technical optimization scheme of the utility model, the stay cord 10 can be limited by arranging the limiting wheel 17, so that the stay cord 10 is prevented from contacting with the fan 3, and the safety of the stay cord 10 is improved.

The working principle and the using process of the utility model are as follows: when using, when cold cathode vacuum gauge 1 need be to inside when exhausting, starter motor 8 and fan 3, the air after filter 13 filters is carried to fan 3, carry to the inside of blowing board 5 through gas collecting channel 11 and bellows 4, the inside air current of blowing board 5 with inside is carried to cold cathode vacuum gauge 1, and simultaneously, motor 8's output drives rolling dish 9 and is clockwise rotation, rolling dish 9 drives stay cord 10, blowing board 5 and slider 6 move to the right side, the in-process that blows board 5 and remove can be with the even inside of carrying of air current cold cathode vacuum gauge 1, when cold cathode vacuum gauge 1's inside entering new air, inside original air is discharged, thereby exhaust effect has been possessed.

In summary, the following steps: this exhaust structure of cold cathode vacuum electron device, through cold cathode vacuum gauge 1, box 2, fan 3, bellows 4, blow board 5, slider 6, slide bar 7, motor 8, wind-up dish 9 and stay cord 10's cooperation use, exhaust advantage has been possessed, traditional cold cathode vacuum gauge has been solved and has lacked exhaust structure, can't exhaust the inside of cold cathode vacuum gauge, make the unable circulation of inside air of cold cathode vacuum gauge, cause the impaired problem of its inside components and parts easily.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An exhaust structure of a cold cathode vacuum electronic device, comprising a cold cathode vacuum gauge (1), characterized in that: the bottom of the cold cathode vacuum gauge (1) is fixedly connected with a box body (2), the bottom of the inner wall of the box body (2) is fixedly connected with a fan (3), the output end of the fan (3) is communicated with a flexible hose (4), one side of the flexible hose (4) far away from the fan (3) is communicated with an air blowing plate (5), the front side and the rear side of the air blowing plate (5) are both fixedly connected with a sliding block (6), a slide bar (7) is arranged inside the slide block (6), the slide bar (7) is fixedly connected with the top of the inner cavity of the box body (2), both sides of the bottom of the inner wall of the box body (2) are fixedly connected with a motor (8), the output end of the motor (8) is fixedly connected with a winding disc (9), the surface of the winding disc (9) is fixedly connected with a pull rope (10), one side of the pull rope (10) far away from the motor (8) is fixedly connected to the surface of the air blowing plate (5).

2. The exhaust structure of a cold cathode vacuum electronic device according to claim 1, wherein: the output end of the fan (3) is communicated with a gas-collecting hood (11), and the bottom of the gas-collecting hood (11) is fixedly connected to the bottom of the inner wall of the box body (2).

3. The exhaust structure of a cold cathode vacuum electronic device according to claim 1, wherein: the bottom fixedly connected with of box (2) is spacing frame (12), the inside of spacing frame (12) is provided with filter (13), the both sides fixed mounting of spacing frame (12) bottom has stop device (14), the surface contact of the surface of stop device (14) and filter (13).

4. The exhaust structure of a cold cathode vacuum electronic device according to claim 3, wherein: the top fixedly connected with of filter (13) seals up (15), the top of sealed pad (15) and the bottom contact of box (2).

5. The exhaust structure of a cold cathode vacuum electronic device according to claim 3, wherein: the left side fixedly connected with handle (16) of filter (13) bottom, the length of handle (16) is less than the length of filter (13).

6. The exhaust structure of a cold cathode vacuum electronic device according to claim 1, wherein: the top of the two sides of the inner wall of the box body (2) is fixedly connected with a limiting wheel (17), and the surface of the limiting wheel (17) is in contact with the surface of the pull rope (10).