CN210178659U

CN210178659U - People's air defense ventilation fan

Info

Publication number: CN210178659U
Application number: CN201920302703.8U
Authority: CN
Inventors: Faqing Zhong; 钟发清
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2020-03-24
Anticipated expiration: 2029-03-11

Abstract

The utility model discloses a people's air defense ventilation fan relates to people's air defense equipment technical field, specifically is a people's air defense ventilation fan, including vibration damping mount, vibration damping mount's interior diapire fixedly connected with damping spring, damping spring's one end fixedly connected with places the board, place board and vibration damping mount swing joint, vibration damping mount's inner wall fixedly connected with fixed casing, fixed casing's inside swing joint has L shape pole, the one end of L shape pole with place board fixed connection, fixed casing's inside swing joint has the movable block, the other end and the movable block swing joint of L shape pole, one side fixedly connected with clamp pad of L shape pole is kept away from to the movable block, the upper surface of placing the board is provided with the device base, one side fixed connection of device base is by fan housing. This people's air defense ventilation fan, damping spring's design plays the effect of buffering to the vibration that the fan produced at the operation in-process, has reduced the noise that produces.

Description

People's air defense ventilation fan

Technical Field

The utility model relates to a people's air defense equipment technical field specifically is a people's air defense ventilation fan.

Background

The civil air defense system is arranged underground of a building and used for parking, pipeline arrangement and the like, and the civil air defense system comprises a plurality of main civil air defense devices, wherein the important civil air defense system comprises a ventilation fan, so that the underground humidity can be reduced, the ventilation can be ensured, and the underground civil air defense system can keep good air quality. At present, ventilation fan on the market mostly hangs and places, has the risk, and installs inconveniently, and ventilation fan's entrance point, gets into the dust easily, uses for a long time, needs regular cleaning, and the clearance is inconvenient, has the potential safety hazard.

The civil air defense ventilation fan disclosed in the Chinese utility model patent application publication No. CN207485704U, which improves the stability of fixed placement by arranging outwardly extending supporting plates at the two side edges of the bottom of the distribution cabinet, increases the matching of the heat dissipation fan with the waist-shaped ventilation hole, can prevent over-high temperature, prolongs the service life, increases the noise elimination box body, can reduce the working noise of the civil air defense ventilation fan and reduce sound pollution, is provided with the fixed supporting plates to suspend the ventilation fan shell, is provided with the motor supporting seat, can be placed on the ground, improves the stability of placement, is provided with the dirt cleaning cover plate, is convenient for dirt cleaning, increases the dustproof metal net, can effectively place dust into the ventilation fan shell, has ingenious structure and novel concept, but when the civil air defense ventilation fan is fixedly placed on the ground, not only is a loud noise generated due to the vibration generated during the operation, but also the ground and the self are damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a people's air defense ventilation fan has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a civil air defense ventilation fan comprises a shock absorption base, wherein the inner bottom wall of the shock absorption base is fixedly connected with a shock absorption spring, one end of the damping spring is fixedly connected with a placing plate which is movably connected with the damping base, the inner wall of the damping base is fixedly connected with a fixed shell, the inside of the fixed shell is movably connected with an L-shaped rod, one end of the L-shaped rod is fixedly connected with the placing plate, the inside of the fixed shell is movably connected with a moving block, the other end of the L-shaped rod is movably connected with a moving block, one side of the moving block far away from the L-shaped rod is fixedly connected with a clamping pad, the upper surface of the placing plate is provided with a device base, one side of the device base is fixedly connected with a fan shell, the fan is characterized in that a servo motor is arranged inside the fan shell, the output end of the servo motor is fixedly connected with a rotating shaft, and one end, far away from the servo motor, of the rotating shaft is fixedly connected with a fan blade.

Optionally, the fixed shell is fixedly connected with a movable sleeve inside, and the fixed shell is movably connected with the L-shaped rod through the movable sleeve.

Optionally, the cross section of the moving block is a right triangle, a sliding rail is arranged on one side of the moving block, and the moving block is movably connected with the L-shaped rod through the sliding rail.

Optionally, the inner wall of the fan casing is fixedly connected with a fixing frame, a bearing is arranged in the middle of the fixing frame, and the fixing frame is movably connected with the rotating shaft through the bearing.

Optionally, an air inlet is formed in one side, located on the fan blade, of the fan shell, and an air outlet is formed in the upper surface of the fan shell.

Optionally, a first filter screen is arranged on one side of the air inlet inside the fan shell, and a second filter screen is arranged on one side of the air outlet.

(III) advantageous effects

The utility model provides a people's air defense ventilation fan possesses following beneficial effect:

1. this people's air defense ventilation fan, design through damping spring, the effect of buffering has been played the vibration that the fan produced at the operation in-process, the noise that the equipment produced when moving has been reduced, when using, place the device base of fan casing one side in vibration damping mount, because its self weight, make and place the board downstream, thereby make L shape pole downstream, the one end of L shape pole slides in the slide rail of movable block one side simultaneously, promote the movable block to move to one side of device base, make and press from both sides tight the device base, the fixing to it has been realized, and, the design of clamp pad, the frictional force between movable block and the device base has been increased on the one hand, it is more firm to make it fixed, on the other hand has played certain guard action to device base and movable block.

2. This people's air defense ventilation fan through the design of first filter screen and second filter screen, has avoided the fan to get into the inside of fan casing with external debris etc. at the operation in-process to guaranteed the inside cleanness of fan casing, be favorable to the permanent use of this equipment.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is a schematic side view of the moving block of the present invention.

In the figure: 1. a damping mount; 2. a damping spring; 3. placing the plate; 4. a stationary housing; 5. an L-shaped rod; 6. a moving block; 7. a clamping pad; 8. a device base; 9. a fan housing; 10. a servo motor; 11. A rotating shaft; 12. fan blades; 13. a movable sleeve; 14. a slide rail; 15. a fixed mount; 16. a bearing; 17. an air inlet; 18. an air outlet; 19. a first filter screen; 20. a second filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a civil air defense ventilation fan comprises a damping base 1, a damping spring 2 is fixedly connected to the inner bottom wall of the damping base 1, through the design of the damping spring 2, vibration generated in the operation process of the fan is buffered, noise generated in the operation process of equipment is reduced, when the civil air defense ventilation fan is used, a device base 8 on one side of a fan shell 9 is placed in the damping base 1, due to the weight of the civil air defense ventilation fan, a placing plate 3 moves downwards, an L-shaped rod 5 moves downwards, meanwhile, one end of the L-shaped rod 5 slides in a sliding rail 14 on one side of a moving block 6, the moving block 6 is pushed to move towards one side of the device base 8, the device base 8 is clamped, the fixing of the civil air defense ventilation fan is achieved, in addition, the design of a clamping pad 7 is realized, on one hand, the friction force between the moving block 6 and the device base 8 is increased, and the fixing of the, on the other hand, the device base 8 and the moving block 6 are protected to a certain extent, one end of the damping spring 2 is fixedly connected with the placing plate 3, the placing plate 3 is movably connected with the damping base 1, the inner wall of the damping base 1 is fixedly connected with the fixed shell 4, the inner part of the fixed shell 4 is movably connected with the L-shaped rod 5, the inner part of the fixed shell 4 is fixedly connected with the movable sleeve 13, the fixed shell 4 is movably connected with the L-shaped rod 5 through the movable sleeve 13, one end of the L-shaped rod 5 is fixedly connected with the placing plate 3, the inner part of the fixed shell 4 is movably connected with the moving block 6, the cross section of the moving block 6 is in a right triangle shape, one side of the moving block 6 is provided with the sliding rail 14, the moving block 6 is movably connected with the L-shaped rod 5 through the sliding rail 14, the other end of the L-shaped rod 5 is movably, the sliding of the L-shaped rod 5 in the sliding rail 14 is facilitated, one side of the moving block 6, which is far away from the L-shaped rod 5, is fixedly connected with a clamping pad 7, the upper surface of the placing plate 3 is provided with a device base 8, one side of the device base 8 is fixedly connected with a fan shell 9, a servo motor 10 is arranged inside the fan shell 9, the output end of the servo motor 10 is fixedly connected with a rotating shaft 11, the inner wall of the fan shell 9 is fixedly connected with a fixed frame 15, the middle part of the fixed frame 15 is provided with a bearing 16, the fixed frame 15 is movably connected with the rotating shaft 11 through the bearing 16, one end of the rotating shaft 11, which is far away from the servo motor 10, is fixedly connected with a fan blade 12, one side of the fan shell 9, which is located at the fan blade 12, is provided with, and one side of the air outlet 18 is provided with a second filter screen 20, and through the design of the first filter screen 19 and the second filter screen 20, the situation that external sundries and the like enter the fan shell 9 in the running process of the fan is avoided, so that the cleanness of the inside of the fan shell 9 is ensured, and the long-term use of the device is facilitated.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In conclusion, the civil air defense ventilation fan has the advantages that through the design of the damping spring 2, the vibration generated in the running process of the fan is buffered, the noise generated in the running process of equipment is reduced, when the civil air defense ventilation fan is used, the device base 8 on one side of the fan shell 9 is placed in the damping base 1, due to the weight of the civil air defense ventilation fan, the placing plate 3 moves downwards, the L-shaped rod 5 moves downwards, one end of the L-shaped rod 5 slides in the sliding rail 14 on one side of the moving block 6, the moving block 6 is pushed to move towards one side of the device base 8, the device base 8 is clamped, the fixing of the civil air defense ventilation fan is realized, in addition, the design of the clamping pad 7, on one hand, the friction force between the moving block 6 and the device base 8 is increased, the fixing of the civil air defense ventilation fan is firmer, on the other hand, a certain protection effect is realized on, through the design of first filter screen 19 and second filter screen 20, avoided the fan in the operation with outside debris etc. get into the inside of fan casing 9 to guaranteed the inside cleanness of fan casing 9, be favorable to the permanent use of this equipment, in a word, the device is rational in infrastructure, and the practicality is strong, has noise reduction and protective apparatus's advantage.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a people's air defense ventilation fan, includes vibration damping mount (1), its characterized in that: the damping device is characterized in that a damping spring (2) is fixedly connected to the inner bottom wall of the damping base (1), a placing plate (3) is fixedly connected to one end of the damping spring (2), the placing plate (3) is movably connected with the damping base (1), a fixed shell (4) is fixedly connected to the inner wall of the damping base (1), an L-shaped rod (5) is movably connected to the inside of the fixed shell (4), one end of the L-shaped rod (5) is fixedly connected with the placing plate (3), a moving block (6) is movably connected to the inside of the fixed shell (4), the other end of the L-shaped rod (5) is movably connected with the moving block (6), a clamping pad (7) is fixedly connected to one side, away from the L-shaped rod (5), of the moving block (6), a device base (8) is arranged on the upper surface of the placing plate (3), one side of the device base (8) is fixedly connected with a, the fan is characterized in that a servo motor (10) is arranged inside the fan shell (9), the output end of the servo motor (10) is fixedly connected with a rotating shaft (11), and one end, far away from the servo motor (10), of the rotating shaft (11) is fixedly connected with a fan blade (12).

2. The people's air defense ventilation fan of claim 1, characterized in that: the inner part of the fixed shell (4) is fixedly connected with a movable sleeve (13), and the fixed shell (4) is movably connected with the L-shaped rod (5) through the movable sleeve (13).

3. The people's air defense ventilation fan of claim 1, characterized in that: the cross section of the moving block (6) is a right triangle, a sliding rail (14) is arranged on one side of the moving block (6), and the moving block (6) is movably connected with the L-shaped rod (5) through the sliding rail (14).

4. The people's air defense ventilation fan of claim 1, characterized in that: the inner wall of the fan shell (9) is fixedly connected with a fixing frame (15), a bearing (16) is arranged in the middle of the fixing frame (15), and the fixing frame (15) is movably connected with the rotating shaft (11) through the bearing (16).

5. The people's air defense ventilation fan of claim 1, characterized in that: an air inlet (17) is formed in one side, located on the fan blade (12), of the fan shell (9), and an air outlet (18) is formed in the upper surface of the fan shell (9).

6. The people's air defense ventilation fan of claim 5, characterized in that: a first filter screen (19) is arranged on one side, located at the air inlet (17), of the interior of the fan shell (9), and a second filter screen (20) is arranged on one side of the air outlet (18).