CN219529405U - Vibration-resistant centrifugal ventilator - Google Patents

Abstract

The utility model relates to an anti-vibration centrifugal ventilator, which comprises a bottom plate, wherein the top of the bottom plate is fixedly provided with a centrifugal ventilator, the bottom of the bottom plate is provided with an anti-vibration frame, and the inner wall of the anti-vibration frame is provided with an anti-vibration component; the anti-seismic assembly comprises connecting rods fixedly connected with the inner walls of the anti-seismic frames, the outer surfaces of the connecting rods are sleeved with two connecting sleeves, the two connecting sleeves are fixedly connected with first springs on the sides, away from each other, of the connecting sleeves, and the two sides, away from each other, of the first springs are fixedly connected with the inner walls of the anti-seismic frames. This antidetonation centrifugal fan produces the vibration through centrifugal fan work, and antidetonation subassembly can play the effect of effectual buffering to branch drives the backup pad and vibrates from top to bottom, and branch activity can effectually be spacing it in the spread groove, prevents that centrifugal fan from rocking about, thereby reaches effectual cushioning effect, has avoided setting up a plurality of buffer spring and has come the shock attenuation, indirect effect that reaches the maintenance of being convenient for.

Description

Vibration-resistant centrifugal ventilator

Technical Field

The utility model relates to the technical field of centrifugal ventilators, in particular to an anti-vibration centrifugal ventilator.

Background

The centrifugal fan is a machine which increases the pressure of gas through mechanical energy and then conveys the gas out, is one of four major components in a dust removal ventilation system, belongs to one of impeller machines, is widely applied to various fields of energy sources, environment, aviation and the like, and is one of main energy consumption equipment in industrial and agricultural production. The centrifugal ventilator is one of four major components in a dust removing and ventilating system, is a relatively precise operation machine, and forms negative pressure in the blower by means of rotation of an impeller so as to suck external air and discharge the air out of the blower through an impeller runner and a volute.

The centrifugal ventilator drives the impeller to rotate through the motor, vibration can be caused to occur to the centrifugal ventilator, vibration is damped through being provided with anti-vibration springs at the bottom of most of the conventional centrifugal ventilators, but the base is required to be arranged around the damping springs, and the vibration-resistant centrifugal ventilator is provided to solve the problems because the independent damping springs are inconvenient to maintain too much.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the anti-seismic centrifugal ventilator, which has the advantages of convenient maintenance, good shock resistance and the like, and solves the problem of inconvenient maintenance due to excessive springs.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-vibration centrifugal ventilator comprises a bottom plate, wherein the top of the bottom plate is fixedly provided with the centrifugal ventilator, the bottom of the bottom plate is provided with an anti-vibration frame, and the inner wall of the anti-vibration frame is provided with an anti-vibration component;

the anti-seismic assembly comprises connecting rods fixedly connected with the inner walls of anti-seismic frames, connecting sleeves with two numbers are sleeved on the outer surfaces of the connecting rods, two first springs are fixedly connected to one sides of the connecting sleeves, two first springs are fixedly connected with the inner walls of the anti-seismic frames, buffer rubber sleeves are sleeved on the outer surfaces of the connecting rods, limiting rods are fixedly connected to the tops and the bottoms of the connecting rods, two ends of the limiting rods, which are separated, penetrate through and extend to the outer parts of the buffer rubber sleeves, two connecting blocks are fixedly connected to the tops of the connecting sleeves and the bottoms of bottom plates, movable rods are movably connected to the outer surfaces of the connecting blocks respectively, connecting plates are fixedly mounted on the inner walls of the anti-seismic frames, and rubber balls are fixedly mounted on the tops of the connecting plates.

Further, the spread groove that is four in quantity has been seted up at the top of antidetonation frame, four the equal fixedly connected with second spring of inner wall of spread groove, four the equal fixedly connected with backup pad in top of second spring, four the equal fixedly connected with branch in top of backup pad, four the top and the bottom plate fixed connection of branch.

Further, the inside of connecting plate has seted up the groove of stepping down, the movable rod is located the inside of the groove of stepping down.

Further, the bottom of the anti-seismic frame is fixedly provided with four supporting feet, and the four supporting feet are respectively positioned at the periphery of the bottom of the anti-seismic frame.

Further, the angle of connection of gag lever post and connecting rod is ninety degrees, and the one end fixedly connected with spacing piece that the connecting rod was kept away from to the gag lever post.

Further, the top fixedly connected with rubber pad of backup pad, the size of rubber pad is the same with the backup pad size.

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

this antidetonation centrifugal fan, centrifugal fan work produces the vibration, and antidetonation subassembly can play the effect of effectual buffering to branch drives the backup pad and vibrates from top to bottom, and branch activity can effectually be spacing it in the spread groove, prevents that centrifugal fan from rocking about, thereby reaches effectual cushioning effect, has avoided setting up a plurality of buffer springs and has come the shock attenuation, indirect effect that reaches the maintenance of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is an enlarged view of the partial structure of the a part of fig. 1 according to the present utility model.

In the figure: 1 bottom plate, 2 centrifugal ventilators, 3 antidetonation frames, 4 antidetonation subassemblies, 401 connecting rods, 402 adapter sleeves, 403 first springs, 404 buffer rubber sleeves, 405 limit levers, 406 connecting blocks, 407 movable rods, 408 connecting plates, 409 rubber balls, 5 connecting grooves, 6 second springs, 7 supporting plates and 8 supporting rods.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the anti-vibration centrifugal ventilator in this embodiment includes a base plate 1, a centrifugal ventilator 2 is fixedly mounted on the top of the base plate 1, an anti-vibration frame 3 is disposed at the bottom of the base plate 1, and an anti-vibration component 4 is disposed on the inner wall of the anti-vibration frame 3.

Wherein, the spread groove 5 that is four in quantity is offered at the top of antidetonation frame 3, and the equal fixedly connected with second spring 6 of inner wall of four spread grooves 5, the equal fixedly connected with backup pad 7 in top of four second springs 6, the equal fixedly connected with branch 8 in top of four backup pads 7, the top and the bottom plate 1 fixed connection of four branches 8, the top fixedly connected with rubber pad of backup pad 7, the size of rubber pad is the same with backup pad 7 size.

The centrifugal fan 2 works to generate vibration, the vibration-resistant assembly 4 can play an effective buffering role, the supporting rod 8 drives the supporting plate 7 to vibrate up and down, the supporting rod 8 moves in the connecting groove 5 to effectively limit the supporting rod, the centrifugal fan 2 is prevented from shaking left and right, an effective buffering role is achieved, the vibration reduction caused by the arrangement of a plurality of buffer springs is avoided, and the effect of convenient maintenance is indirectly achieved.

The anti-seismic assembly 4 comprises a connecting rod 401 fixedly connected with the inner wall of the anti-seismic frame 3, connecting sleeves 402 with the number of two are sleeved on the outer surface of the connecting rod 401, first springs 403 are fixedly connected to the two sides of the two connecting sleeves 402, two sides of the two first springs 403 are fixedly connected with the inner wall of the anti-seismic frame 3, a buffer rubber sleeve 404 is sleeved on the outer surface of the connecting rod 401, a limit rod 405 is fixedly connected to the top and the bottom of the connecting rod 401, one ends of the two limit rods 405, which are separated, penetrate through and extend to the outer part of the buffer rubber sleeve 404, the connecting angle between the limit rod 405 and the connecting rod 401 is ninety degrees, one end, which is far away from the connecting rod 401, of the limit rod 405 is fixedly connected with a limit piece, the top of the two connecting sleeves 402 and the bottom of the bottom plate 1 are fixedly connected with connecting blocks 406, movable rods 407 are respectively movably connected to the outer surfaces of the top connecting blocks 406 and the bottom of the two connecting blocks 406, a connecting plate 408 is fixedly mounted on the inner wall of the anti-seismic frame 3, a yielding groove is formed in the inner part of the connecting plate 408, the movable rods 407 are located in the yielding groove, and rubber balls 409 are fixedly mounted on the top of the connecting plate 408.

Through bottom plate 1 up-and-down vibration, can drive movable rod 407 and rotate, remove two adapter sleeves 402 to the direction that is separated or relative, owing to be provided with first spring 403, the usable first spring 403 plays the shock-resistant effect of buffering to the laminating of adapter sleeve 402 opposite one side has buffer rubber cover 404, can effectually prevent that first spring 403 from making a round trip to take place the deformation condition, play the damped effect, and because the connecting rod 401 of setting, adapter sleeve 402, first spring 403 and movable rod 407 isotructure reach the effect of buffering, it carries out shock-resistant mode to have changed current traditional a plurality of buffer springs, the indirect effect of being convenient for maintain that has reached.

The working principle of the embodiment is as follows:

the centrifugal fan 2 works to generate vibration, the movable rod 407 can be driven to rotate through the up-and-down vibration of the bottom plate 1, the two connecting sleeves 402 are moved towards the direction away from or opposite to each other, the first springs 403 are arranged to play a role in buffering and anti-vibration, the buffer rubber sleeves 404 are attached to the opposite sides of the connecting sleeves 402, the first springs 403 can be effectively prevented from deforming back and forth, the damping effect is achieved, the supporting rods 8 drive the supporting plates 7 to vibrate up and down due to the structures of the connecting rods 401, the connecting sleeves 402, the first springs 403, the movable rods 407 and the like, the supporting rods 8 can effectively limit the supporting plates in the connecting grooves 5, the centrifugal fan 2 is prevented from shaking left and right, the effective buffering effect is achieved, the traditional anti-vibration mode of a plurality of buffer springs is changed, and the effect of being convenient to maintain is indirectly achieved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. Antidetonation centrifugal fan, including bottom plate (1), its characterized in that: the centrifugal ventilator (2) is fixedly arranged at the top of the bottom plate (1), the anti-seismic frame (3) is arranged at the bottom of the bottom plate (1), and the anti-seismic assembly (4) is arranged on the inner wall of the anti-seismic frame (3);

the utility model provides an anti-seismic assembly (4) including connecting rod (401) with anti-seismic frame (3) inner wall fixed connection, the surface cover of connecting rod (401) is equipped with connecting sleeve (402) that quantity is two, two connecting sleeve (402) are equal fixedly connected with first spring (403) in one side that leaves, two one side that leaves of first spring (403) and anti-seismic frame (3) inner wall fixed connection, the surface cover of connecting rod (401) is equipped with buffering rubber cover (404), the top and the bottom of connecting rod (401) are equal fixedly connected with gag lever post (405), two the one end that gag lever post (405) are separated runs through and extends to the outside of buffering rubber cover (404), two the bottom of connecting sleeve (402) is equal fixedly connected with connecting block (406), top connecting block (406) are two with the surface of bottom connecting block (406) is swing joint respectively movable rod (407), the inner wall fixed mounting of frame (3) has connecting plate (408), the top fixed mounting of connecting plate (408) has rubber ball (409).

2. The anti-vibration centrifugal fan according to claim 1, wherein: the utility model discloses a shock-resistant frame, including shock-resistant frame (3), connecting groove (5) that are four are offered at the top of shock-resistant frame (3), four equal fixedly connected with second spring (6) of inner wall of connecting groove (5), four equal fixedly connected with backup pad (7) at the top of second spring (6), four equal fixedly connected with branch (8) at the top of backup pad (7), four the top and bottom plate (1) fixed connection of branch (8).

3. The anti-vibration centrifugal fan according to claim 1, wherein: and a yielding groove is formed in the connecting plate (408), and the movable rod (407) is positioned in the yielding groove.

4. The anti-vibration centrifugal fan according to claim 1, wherein: the bottom of the anti-seismic frame (3) is fixedly provided with four supporting feet, and the four supporting feet are respectively positioned at the periphery of the bottom of the anti-seismic frame (3).

5. The anti-vibration centrifugal fan according to claim 1, wherein: the connecting angle of the limiting rod (405) and the connecting rod (401) is ninety degrees, and one end, far away from the connecting rod (401), of the limiting rod (405) is fixedly connected with a limiting sheet.

6. The anti-vibration centrifugal fan according to claim 2, wherein: the top fixedly connected with rubber pad of backup pad (7), the size of rubber pad is the same with backup pad (7) size.