CN214945090U

CN214945090U - Explosion-proof fan

Info

Publication number: CN214945090U
Application number: CN202120825347.5U
Authority: CN
Inventors: 额冬梅; 徐慧; 田凯旋; 代璐; 段海曼; 吴国江; 徐曼; 徐艳丽
Original assignee: Beijing Huizhi Anshun Certified Safety Engineer Co ltd
Current assignee: Beijing Huizhi Anshun Certified Safety Engineer Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-30
Anticipated expiration: 2031-04-21

Abstract

The utility model relates to a fan technical field, especially an explosion-proof fan, including making an uproar casing and support fall, the inside of the casing of making an uproar of falling be provided with the explosion-proof machine structure, the inside fixedly connected with mounting bracket of the casing of making an uproar of falling, the mounting bracket on be provided with two fixed buffer structure of making an uproar of falling to the explosion-proof machine structure. The utility model has the advantages that: through explosion proof machine structure, telescopic link, fixed spring, fixed plate, sound absorbing cavity, inhale the sound cotton and inhale the cooperation setting of sound hole, reduced the production of noise, and through the sound absorbing hole can absorb the noise that explosion proof machine structure produced in the course of the work in the inside in sound absorbing cavity, then warp the sound cotton of inhaling absorb the noise and absorb the noise, administered the noise from the source, very big decibel that has reduced the noise has increased the structure of making an uproar in comparison in traditional explosion proof fan, has avoided the influence of noise to the surrounding environment.

Description

Explosion-proof fan

Technical Field

The utility model relates to a fan technical field, especially an explosion-proof fan.

Background

The explosion-proof ventilator is suitable for general ventilator for conveying inflammable and explosive gas, and has medium temperature not higher than 80 deg.c, dust content and other solid impurity content not higher than 100mg/m³The diameter is not more than 1mm, the blower is a machine which relies on input mechanical energy to improve gas pressure and discharge gas, and is a driven fluid machine, the blower is short for Chinese habit of gas compression and gas delivery machines, generally, the blower comprises a ventilator, a blower and a wind driven generator, and the blower is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and induced air of boilers and industrial furnaces; in air conditioning equipment and household electrical appliance equipmentCooling and ventilation, drying and sorting of grains, wind tunnel wind source and air cushion boat inflation and propulsion, etc.

The explosion-proof fan can generate noise when working due to the vibration of the motor and the vibration of fan blades, the noise pollution can be generated to the surrounding environment, the existing explosion-proof fan does not have a noise reduction structure, and the noise cannot be processed, so that the problem is solved by the explosion-proof fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide an explosion-proof fan.

The purpose of the utility model is realized through the following technical scheme: the utility model provides an explosion-proof fan, is including making an uproar casing and support fall, the inside of the casing of making an uproar of falling be provided with the explosion-proof machine structure, the inside fixedly connected with mounting bracket of the casing of making an uproar of falling, the mounting bracket on be provided with two fixed buffer structure of making an uproar falls the explosion-proof machine structure, the support on be provided with installation buffer structure.

Optionally, the noise reduction casing is provided with a sound absorption cavity, the inner wall of the sound absorption cavity is fixedly connected with sound absorption cotton, and the inner surface of the noise reduction casing is provided with a plurality of sound absorption holes communicated with the sound absorption cavity.

Optionally, fixed buffer structure include lead screw, knob, spacing slide bar, movable plate, telescopic link, fixed spring and fixed plate, one side of mounting bracket rotate through the bearing and be connected with the lead screw, one side fixedly connected with spacing slide bar of mounting bracket, the one end fixedly connected with knob of lead screw, the surface threaded connection of lead screw have the movable plate, one side fixedly connected with telescopic link of movable plate, the telescopic link keep away from the one end fixedly connected with fixed plate of movable plate, the fixed plate be close to one side fixedly connected with fixed spring of movable plate.

Optionally, the outer surface of the noise reduction shell is fixedly connected with a fixing block, and one side of the fixing block is provided with a through hole.

Optionally, the mounting buffer structure comprises a supporting cross rod, a fixed inserted link and a buffer spring, one side of the support is fixedly connected with the supporting cross rod, and one side of the supporting cross rod is fixedly connected with the fixed inserted link and the buffer spring.

Optionally, the limiting slide bar is connected with the movable plate in a sliding manner, one end, away from the fixed plate, of the fixed spring is fixedly connected with the movable plate, the telescopic rod is located inside the fixed spring, an arc-shaped groove is formed in one side, away from the telescopic rod, of the fixed plate, and the inner wall of the arc-shaped groove is attached to the surface of the explosion-proof motor structure.

Optionally, the fixed inserted link is adapted to the diameter of the through hole, and a part of the fixed inserted link is located inside the buffer spring.

The utility model has the advantages of it is following:

1. the explosion-proof fan is characterized in that the explosion-proof motor structure, the telescopic rod, the fixing spring, the fixing plate, the sound absorbing cavity, the sound absorbing cotton and the sound absorbing hole are matched, the explosion-proof motor structure can be fixed through the telescopic rod, the fixing spring and the fixing plate, when the explosion-proof motor structure works, the shaking force generated by the explosion-proof motor can be transmitted to the fixing plate, then the shaking force of the explosion-proof motor structure is buffered under the action of the telescopic rod and the fixing spring, so that the generation of noise is reduced, the noise generated in the working process of the explosion-proof motor structure can be absorbed into the sound absorbing cavity through the sound absorbing hole, then the noise is absorbed through the sound absorbing cotton, the noise is treated from the source, the noise is greatly reduced in decibels, and compared with the traditional explosion-proof fan, the noise reduction structure is added, the influence of noise on the surrounding environment is avoided.

2. This explosion-proof fan, through the cooperation setting of casing, fixed block, through-hole, fixed inserted bar and buffer spring of making an uproar fall, will the fixed block on the through-hole cooperate with fixed inserted bar, and make the bottom of fixed block contact with buffer spring, thereby make the casing of making an uproar fall install on the support, work as explosion-proof machine structure go on working, the casing of making an uproar can produce vibrations, through buffer spring can cushion the vibrations power on the casing of making an uproar falls, thereby better avoid because of the vibrations of the casing of making an uproar fall produce the condition of noise, and then further assurance this explosion-proof fan the noise reduction effect of making an uproar better, better avoid the condition of producing noise pollution.

Drawings

Fig. 1 is a schematic view of a first view structure of the present invention;

fig. 2 is a schematic view of a second perspective structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic structural view of the fixed buffer structure and the connecting member thereof according to the present invention.

In the figure: 1-noise reduction shell, 2-bracket, 3-explosion-proof motor structure, 4-mounting rack, 5-fixed buffer structure, 501-screw rod, 502-knob, 503-limit slide rod, 504-moving plate, 505-telescopic rod, 506-fixed spring, 507-fixed plate, 6-installation buffer structure, 601-support cross rod, 602-fixed inserted rod, 603-buffer spring, 7-sound absorption cavity, 8-sound absorption cotton, 9-sound absorption hole, 10-fixed block and 11-through hole.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-4, an explosion-proof fan comprises a noise reduction casing 1 and a support 2, wherein an explosion-proof motor structure 3 is arranged inside the noise reduction casing 1, the noise reduction casing 1 is fixedly connected with a mounting frame 4, two fixed buffer structures 5 for reducing noise of the explosion-proof motor structure 3 are arranged on the mounting frame 4, and an installation buffer structure is arranged on the support 2.

As an optional technical solution of the utility model: the inside of the noise reduction shell 1 is provided with a sound absorption cavity 7, the inner wall of the sound absorption cavity 7 is fixedly connected with sound absorption cotton 8, and the inner surface of the noise reduction shell 1 is provided with a plurality of sound absorption holes 9 communicated with the sound absorption cavity 7.

As an optional technical solution of the utility model: the fixed buffer structure 5 comprises a screw rod 501, a knob 502, a limiting slide rod 503, a moving plate 504, an expansion link 505, a fixed spring 506 and a fixed plate 507, one side of the mounting rack 4 is rotatably connected with the screw rod 501 through a bearing, one side of the mounting rack 4 is fixedly connected with the limiting slide rod 503, one end of the screw rod 501 is fixedly connected with the knob 502, the outer surface of the screw rod 501 is in threaded connection with the moving plate 504, one side of the moving plate 504 is fixedly connected with the expansion link 505, one end of the expansion link 505 far away from the moving plate 504 is fixedly connected with the fixed plate 507, and one side of the fixed plate 507 near the moving plate 504 is fixedly connected with the fixed spring 506.

As an optional technical solution of the utility model: the outer surface of the noise reduction shell 1 is fixedly connected with a fixing block 10, and one side of the fixing block 10 is provided with a through hole 11.

As an optional technical solution of the utility model: installation buffer structure 6 includes support horizontal pole 601, fixed inserted bar 602 and buffer spring 603, and one side fixedly connected with of support 2 supports horizontal pole 601, and one side fixedly connected with of support horizontal pole 601 fixes inserted bar 602 and buffer spring 603.

As an optional technical solution of the utility model: the limiting slide rod 503 is slidably connected with the moving plate 504, the moving plate 504 slides on the limiting slide rod 503, the moving plate 504 can be prevented from rotating along with the rotation of the screw rod 501, the moving plate 504 only can do vertical linear motion, one end, far away from the fixed plate 507, of the fixed spring 506 is fixedly connected with the moving plate 504, the telescopic rod 505 is located inside the fixed spring 506, an arc-shaped groove is formed in one side, far away from the telescopic rod 505, of the fixed plate 507, the inner wall of the arc-shaped groove is attached to the surface of the explosion-proof motor structure 3, and therefore the explosion-proof motor structure 3 can be better fixed.

As an optional technical solution of the utility model: the fixed plunger 602 is adapted to the diameter of the through hole 11, so that the fixed plunger 602 can be inserted into the through hole 11 to fix the fixed block 10 and the noise reduction housing 1, and a part of the fixed plunger 602 is positioned inside the buffer spring 603.

The working process of the utility model is as follows:

s1, rotating the knob 502 to rotate the screw rod 501, and further moving the moving plate 504;

s2, the expansion link 505, the fixed spring 506 and the fixed plate 507 will move along with the movement of the moving plate 504, so that the fixed plate 507 is attached to the anti-explosion motor structure 3;

s3, the screw rod 501 continues to rotate, the telescopic rod 505 and the fixed spring 506 are compressed, and the explosion-proof motor structure 3 is fixed;

s4, when the explosion-proof motor structure 3 works, the expansion link 505 and the fixed spring 506 will buffer the vibration generated by the explosion-proof motor structure 3;

s5, the sound absorbing hole 9, the sound absorbing cavity 7 and the sound absorbing cotton 8 can absorb the generated noise;

s6 and the buffer spring 603 can buffer the vibration on the noise reduction shell 1, so that the work of buffering and reducing noise is carried out on the anti-explosion fan structure.

In summary, the following steps: this explosion-proof fan, through explosion-proof machine structure 3, telescopic link 505, fixed spring 506, fixed plate 507, sound absorbing cavity 7, inhale the cooperation setting of sound cotton 8 and sound absorbing hole 9, through telescopic link 505, fixed spring 506 and fixed plate 507 can be fixed explosion-proof machine structure 3, the shaking force to explosion-proof machine structure 3 under the effect of telescopic link 505 and fixed spring 506 is cushioned, thereby the production of noise has been reduced, and can absorb the noise that explosion-proof machine structure 3 produced in the course of the work to the inside of sound absorbing cavity 7 through sound absorbing hole 9, then absorb the noise through inhaling sound cotton 8, the noise has been administered from the source, thereby very big decibel of noise has been reduced, compared with traditional explosion-proof fan has increased the structure of making an uproar, the influence of noise to the surrounding environment has been avoided, through making an uproar casing 1, fixed block 10, Through-hole 11, fixed inserted bar 602 and buffer spring 603's cooperation sets up, can cushion the vibrations power on the casing 1 of making an uproar falls to avoided making the circumstances of making an uproar between casing 1 and the support 2 of making an uproar fall because of the vibrations that fall casing 1 of making an uproar, and then further guaranteed that this explosion-proof fan fall the function of making an uproar better, the better circumstances of avoiding producing noise pollution.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An explosion-proof fan which characterized in that: including making an uproar casing (1) and support (2) fall, the inside of making an uproar casing (1) of falling be provided with explosion proof machine structure (3), the inside fixedly connected with mounting bracket (4) of casing (1) of falling make an uproar fall, mounting bracket (4) on be provided with two fixed buffer structure (5) of making an uproar fall explosion proof machine structure (3), support (2) on be provided with installation buffer structure (6).

2. The explosion-proof fan of claim 1, wherein: the noise reduction casing (1) inside seted up and inhaled sound chamber (7), the inner wall fixedly connected with of inhaling sound chamber (7) inhale sound cotton (8), the internal surface of noise reduction casing (1) seted up a plurality of and inhale sound hole (9) that sound chamber (7) are linked together.

3. The explosion-proof fan of claim 1, wherein: fixed buffer structure (5) include lead screw (501), knob (502), spacing slide bar (503), movable plate (504), telescopic link (505), fixed spring (506) and fixed plate (507), one side of mounting bracket (4) rotate through the bearing and be connected with lead screw (501), one side fixedly connected with spacing slide bar (503) of mounting bracket (4), one end fixedly connected with knob (502) of lead screw (501), the surface threaded connection of lead screw (501) have movable plate (504), one side fixedly connected with telescopic link (505) of movable plate (504), telescopic link (505) keep away from one end fixedly connected with fixed plate (507) of movable plate (504), fixed plate (507) be close to one side fixedly connected with fixed spring (506) of movable plate (504).

4. The explosion-proof fan of claim 1, wherein: the outer surface of the noise reduction shell (1) is fixedly connected with a fixing block (10), and one side of the fixing block (10) is provided with a through hole (11).

5. The explosion-proof fan of claim 1, wherein: installation buffer structure (6) including supporting horizontal pole (601), fixed inserted bar (602) and buffer spring (603), one side fixedly connected with of support (2) support horizontal pole (601), one side fixedly connected with of support horizontal pole (601) fixed inserted bar (602) and buffer spring (603).

6. An explosion-proof fan as defined in claim 3, wherein: the limiting sliding rod (503) is connected with the moving plate (504) in a sliding mode, one end, far away from the fixing plate (507), of the fixed spring (506) is fixedly connected with the moving plate (504), and the telescopic rod (505) is located inside the fixed spring (506).

7. An explosion-proof fan as defined in claim 5, wherein: the fixed inserted bar (602) is matched with the diameter of the through hole (11), and a part of the fixed inserted bar (602) is positioned inside the buffer spring (603).