CN217682343U

CN217682343U - Direct current centrifugal fan with shock-absorbing function

Info

Publication number: CN217682343U
Application number: CN202220023028.7U
Authority: CN
Inventors: 谈玉龙; 洪光明
Original assignee: Jiangsu Shenghang Electronic Technology Co ltd
Current assignee: Jiangsu Shenghang Electronic Technology Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-10-28
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a direct current centrifugal fan with shock-absorbing function, wherein the bottom plate, the top of bottom plate is provided with the fan shell, the hole has been seted up to the inside of fan shell and has been placed, the inside of placing the hole is provided with the swiveling wheel, one side of fan shell is fixed with the motor, be connected damper between bottom plate and the fan shell, damper includes two sets of last press shell and two sets of fore-set, it is fixed with the fan shell to go up the press shell, the fore-set is fixed with the bottom plate, the fore-set is sliding connection with last press shell, it is fixed with the shock attenuation bag, two sets of to go up between press shell and the fore-set be provided with the crossbeam, be fixed with the connecting rod in the middle of the bottom of fan shell, the inside sliding connection of connecting rod has the push rod, be formed with the air cavity between push rod and the connecting rod, the push rod is sliding connection with the inside of crossbeam, and the device has solved current shock attenuation problem that can not.

Description

Direct current centrifugal fan with shock-absorbing function

Technical Field

The utility model belongs to the technical direction of centrifugal fan, concretely relates to direct current centrifugal fan with shock-absorbing function.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; the wind tunnel wind source and the air cushion boat are inflated and propelled, and the existing centrifugal fan can generate larger vibration in industrial application and can influence centrifugal quality, so that the direct-current centrifugal fan with the damping function is designed to achieve a good damping effect, and is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to current device a direct current centrifugal fan with shock-absorbing function to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a direct current centrifugal fan with shock-absorbing function, includes the bottom plate, the top of bottom plate is provided with the fan shell, the hole has been seted up to the inside of fan shell, the inside of placing the hole is provided with the swiveling wheel, one side of fan shell is fixed with the motor, be connected damper between bottom plate and the fan shell.

The utility model discloses explain further, damper includes that two sets of have last pressure shell and two sets of fore-set, it is fixed with the fan shell to go up the pressure shell, the fore-set is fixed with the bottom plate, the fore-set is sliding connection with last pressure shell, it is fixed with the shock attenuation bag to go up between pressure shell and the fore-set.

The utility model discloses explain further, go up and be provided with the crossbeam between the pressure shell, be fixed with the connecting rod in the middle of the bottom of fan shell, the inside sliding connection of connecting rod has the push rod, be formed with the air cavity between push rod and the connecting rod, the push rod is sliding connection with the inside of crossbeam, the end of push rod is located inside the crossbeam, the air cavity is the pipe connection with the shock attenuation bag.

The utility model discloses further explain, the slip chamber has been seted up to the inside of crossbeam, the inside sliding connection in slip chamber has two sets of movable plates, and is two sets of the centre of movable plate all articulates there is the pull rod, and is two sets of the pull rod is connected for the bearing with the end of push rod.

The utility model discloses explain further, it is two sets of one side of movable plate is fixed with the fixture block, and is two sets of it wears with the sliding chamber is relevant to go up the pressure shell, and is two sets of the draw-in groove has all been seted up to one side of fore-set.

The utility model discloses further explain, the internal connection of draw-in groove has a plurality of springs.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses, through being provided with the fixture block, because on can move down when pressing the shell shake seriously, consequently can drive the crossbeam downstream, make slip chamber and draw-in groove like the butt joint, when the movable plate removed to both sides, can promote the fixture block and remove to when slip chamber docks each other with the draw-in groove, the fixture block enters into the draw-in groove, prevents to press the gram to continue the downstream, when centrifugal fan shakes great, strengthens its stability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 2 is a back schematic view of the whole three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the two-dimensional structure of the damping mechanism of the present invention;

in the figure: 1. a base plate; 2. pressing the shell upwards; 3. a fan casing; 4. a rotating wheel; 5. a sliding cavity; 6. a motor; 7. a cross beam; 8. placing holes; 9. a shock-absorbing bladder; 10. a connecting rod; 11. a push rod; 12. a clamping block; 13. moving the plate; 14. a pull rod; 15. a card slot; 16. and (7) a top column.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a direct current centrifugal fan with a damping function comprises a base plate 1, a fan shell 3 is arranged above the base plate 1, a placing hole 8 is formed in the fan shell 3, a rotating wheel 4 is arranged in the placing hole 8, a motor 6 is fixed on one side of the fan shell 3, a damping mechanism is connected between the base plate 1 and the fan shell 3, when the centrifugal fan needs to be started, the motor 6 is started to drive a rotating wheel 4, and the damping mechanism between the fan shell 3 and the base plate 1 can achieve a damping effect on the whole centrifugal fan;

the damping mechanism comprises two groups of upper pressure shells 2 and two groups of top columns 16, the upper pressure shells 2 are fixed with the fan shell 3, the top columns 16 are fixed with the bottom plate 1, the top columns 16 are in sliding connection with the upper pressure shells 2, and a damping bag 9 is fixed between the upper pressure shells 2 and the top columns 16, so that when the centrifugal fan shakes, the fan shell 3 is driven to shake, the upper pressure shells 2 are driven to shake, downward pressure is generated on the top columns 16, and the damping bag 9 is arranged between the upper pressure shells and the top columns, so that a primary damping effect can be achieved on the whole centrifugal fan;

a cross beam 7 is arranged between the two groups of upper pressure shells 2, a connecting rod 10 is fixed in the middle of the bottom of the fan shell 3, a push rod 11 is slidably connected inside the connecting rod 10, an air cavity is formed between the push rod 11 and the connecting rod 10, the push rod 11 is slidably connected with the inside of the cross beam 7, the tail end of the push rod 11 is positioned inside the cross beam 7, the air cavity is connected with the shock absorption bag 9 through a pipeline, when the vibration amplitude of the centrifugal fan is large, the upper pressure shell 2 can be propped against a support 16, the downward movement amplitude is large, therefore, the amplitude of the shock absorption bag 9 extruded by the upper pressure shell 2 is large, air can be extruded into the air cavity through the pipeline from the shock absorption bag 9, and the shock absorption bag is prevented from being broken due to too large pressure;

the inner part of the cross beam 7 is provided with a sliding cavity 5, the inner part of the sliding cavity 5 is connected with two groups of moving plates 13 in a sliding manner, the middle of each group of moving plates 13 is hinged with a pull rod 14, the two groups of pull rods 14 are connected with the tail end of a push rod 11 through bearings, and when gas enters the gas cavity, the push rod 11 is pushed to move downwards, so that the moving plates 13 of the pull rods in the sliding cavity 5 in the cross beam 7 move towards two sides, and the force release effect is achieved;

the clamping blocks 12 are fixed on one sides of the two groups of moving plates 13, the two groups of upper pressure shells 2 are penetrated through the sliding cavities 5, clamping grooves 15 are formed in one sides of the two groups of top columns 16, the upper pressure shells 2 can move downwards when shaking seriously, so that the cross beam 7 can be driven to move downwards, the sliding cavities 5 are butted with the clamping grooves 15, when the moving plates 13 move towards two sides, the clamping blocks 12 can be pushed to move, when the sliding cavities 5 are butted with the clamping grooves, the clamping blocks 12 enter the clamping grooves 15, the upper pressure washers are prevented from continuously moving downwards, and when the centrifugal fan shakes greatly, the stability of the centrifugal fan is enhanced;

the inside of draw-in groove 15 is connected with a plurality of springs, and when centrifugal fan vibrations diminish, through the effort of spring, goes out fixture block 12 from draw-in groove 15, makes the device recover, prepares for next damping work.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalent substitutions may be made to some of the features of the embodiments without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a direct current centrifugal fan with shock-absorbing function, includes bottom plate (1), its characterized in that: the fan shell (3) is arranged above the bottom plate (1), a placing hole (8) is formed in the fan shell (3), a rotating wheel (4) is arranged in the placing hole (8), a motor (6) is fixed on one side of the fan shell (3), and a damping mechanism is connected between the bottom plate (1) and the fan shell (3).

2. The direct-current centrifugal fan with the damping function according to claim 1, wherein: the damping mechanism comprises two groups of upper pressure shells (2) and two groups of top columns (16), the upper pressure shells (2) are fixed with the fan shell (3), the top columns (16) are fixed with the bottom plate (1), the top columns (16) are in sliding connection with the upper pressure shells (2), and damping capsules (9) are fixed between the upper pressure shells (2) and the top columns (16).

3. The direct-current centrifugal fan with the damping function according to claim 2, wherein: two sets of go up and be provided with crossbeam (7) between pressure shell (2), be fixed with connecting rod (10) in the middle of the bottom of fan shell (3), the inside sliding connection of connecting rod (10) has push rod (11), be formed with the air cavity between push rod (11) and connecting rod (10), the inside of push rod (11) and crossbeam (7) is sliding connection, the end of push rod (11) is located inside crossbeam (7), the air cavity is connected for the pipeline with shock attenuation bag (9).

4. The direct-current centrifugal fan with the damping function according to claim 3, wherein: the novel sliding mechanism is characterized in that a sliding cavity (5) is formed in the cross beam (7), two groups of moving plates (13) are connected to the sliding cavity (5) in a sliding mode, pull rods (14) are hinged to the middle of the two groups of moving plates (13), and the pull rods (14) are connected with the tail ends of push rods (11) through bearings.

5. The direct-current centrifugal fan with the damping function according to claim 4, wherein: clamping blocks (12) are fixed on one sides of the two groups of moving plates (13), the two groups of upper pressing shells (2) penetrate through the sliding cavity (5) in a related mode, and clamping grooves (15) are formed in one sides of the two groups of ejection columns (16).

6. The direct-current centrifugal fan with the damping function according to claim 5, wherein: the inside of the clamping groove (15) is connected with a plurality of springs.