CN211231018U

CN211231018U - Shock absorber for centrifugal ventilator

Info

Publication number: CN211231018U
Application number: CN201921971274.XU
Authority: CN
Inventors: 王燕; 王衍涛; 王龙
Original assignee: Qingdao Shuangsheng Fan Equipment Co ltd
Current assignee: Qingdao Shuangsheng Fan Equipment Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-11
Anticipated expiration: 2029-11-15

Abstract

The utility model belongs to the technical field of the shock attenuation, especially, be a bumper shock absorber for centrifugal fan, include, case type piece, installation set up groove, side groove, place bottom plate, centrifugal fan and adjustment mechanism, the installation sets up the groove and sets up at the top of case type piece, and two side grooves are set up respectively on the installation sets up the both sides inner wall in groove, it sets up the inslot to place the bottom plate to be located the installation, centrifugal fan fixed mounting sets up the top at placing the bottom plate, adjustment mechanism is located the installation and sets up the inslot, adjustment mechanism includes four L type poles that are the distribution of rectangle array, and the equal fixed mounting of two liang of correspondences of four L type pieces sets up on the bottom inner wall in groove at the installation. The utility model is simple in operation, convenient to use carries out the two-wheeled shock attenuation to centrifugal fan through the cooperation of first spring and second spring, makes centrifugal fan keep relative stability when the operation, guarantees its normal function.

Description

Shock absorber for centrifugal ventilator

Technical Field

The utility model relates to a shock attenuation technical field especially relates to a bumper shock absorber for centrifugal fan.

Background

The centrifugal ventilator is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, and is widely used for ventilation, dust exhaust 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 inflate and propel, the centrifugal ventilator can produce stronger vibrations at work, and in order not to influence the normal use of the centrifugal ventilator, a special shock absorber is needed to be used for absorbing shock of the centrifugal ventilator.

However, in the prior art, the cost of the damper is expensive, the damping effect is not ideal, the centrifugal ventilator is still affected by vibration when in use, noise is generated, and the working environment is affected, so that the damper for the centrifugal ventilator is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shock absorber for a centrifugal fan.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a shock absorber for a centrifugal ventilator comprises a box-shaped block, an installation and arrangement groove, side grooves, a placement bottom plate, a centrifugal ventilator and an adjusting mechanism, wherein the installation and arrangement groove is formed in the top of the box-shaped block;

the adjusting mechanism comprises four L-shaped blocks distributed in a rectangular array, wherein two L-shaped blocks correspond to each other and are fixedly mounted on the inner wall of the bottom of the installation setting groove, two sliding transverse rods are fixedly mounted on one side, close to each other, of the four L-shaped blocks, two sliding adjusting blocks are slidably mounted on the sliding transverse rods, hinge rods are hinged to the sliding adjusting blocks, two rectangular fixed blocks are fixedly mounted at the bottom of the placement bottom plate, one ends, far away from the sliding adjusting blocks, of the hinge rods are hinged to the corresponding rectangular fixed blocks, four vertical sliding rods are fixedly mounted between the inner walls of the top and the bottom of the side groove, strip blocks are slidably mounted on the four vertical sliding rods, and the tops of the strip blocks are fixedly connected with the bottom of the placement bottom plate.

Preferably, the sliding cross rod is sleeved with two first springs, two ends of the two first springs are fixedly connected with the L-shaped block and the sliding adjusting block respectively, and the elastic stiffness coefficient of the first springs is 150N/m to 280N/m.

Preferably, the vertical slide bar is sleeved with a second spring, the top end and the bottom end of the second spring are respectively and fixedly connected with the inner wall of the bottom of the bar-shaped block and the side groove, and the elastic stiffness coefficient of the second spring is 120N/m to 240N/m.

Preferably, two ball rolling grooves are formed in the inner wall of the bottom of the installation setting groove, balls are inlaid in the bottoms of the four sliding adjusting blocks, and the bottoms of the balls are in contact with the inner wall of the ball rolling grooves.

Preferably, the model of the centrifugal ventilator is G/Y4-72.

Compared with the prior art, the beneficial effects of the utility model are that: the device is characterized in that a box-shaped block, an installation setting groove, a side groove, a placement bottom plate, a centrifugal ventilator, an adjusting mechanism, an L-shaped block, a sliding transverse rod, a sliding adjusting block, a hinge rod, a rectangular fixing block, a vertical sliding rod and a strip-shaped block are matched, the centrifugal ventilator drives the two rectangular fixing blocks to move downwards through the placement bottom plate, the rectangular fixing blocks drive the sliding adjusting block to perform sliding motion on the sliding transverse rod through the hinge rod to extrude a first spring, so that the first spring is deformed, and a first wheel of shock absorption is performed;

and the placing bottom plate drives the four strip-shaped blocks to perform sliding motion on the corresponding vertical slide rods, so that the strip-shaped blocks extrude the second spring, and the second wheel shock absorption is performed through the second spring.

The utility model is simple in operation, convenient to use carries out the two-wheeled shock attenuation to centrifugal fan through the cooperation of first spring and second spring, makes centrifugal fan keep relative stability when the operation, guarantees its normal function.

Drawings

FIG. 1 is a front sectional view of the present invention;

fig. 2 is an assembly view of the adjustment mechanism of fig. 1.

In the figure: 1. a box-shaped block; 2. installing and setting a groove; 3. a lateral groove; 4. placing a bottom plate; 5. A centrifugal fan; 6. an adjustment mechanism; 7. an L-shaped block; 8. a sliding rail; 9. a sliding adjusting block; 10. a hinged lever; 11. a rectangular fixed block; 12. a vertical slide bar; 13. and (4) a strip-shaped block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a shock absorber for a centrifugal ventilator comprises a box-shaped block 1, an installation and arrangement groove 2, side position grooves 3, a placement bottom plate 4, a centrifugal ventilator 5 and an adjusting mechanism 6, wherein the installation and arrangement groove 2 is formed in the top of the box-shaped block 1, the two side position grooves 3 are respectively formed in the inner walls of the two sides of the installation and arrangement groove 2, the placement bottom plate 4 is located in the installation and arrangement groove 2, the centrifugal ventilator 5 is fixedly installed on the top of the placement bottom plate 4, and the adjusting mechanism 6 is located in the installation and arrangement groove 2;

the adjusting mechanism 6 comprises four L-shaped blocks 7 distributed in a rectangular array, every two of the four L-shaped blocks 7 are correspondingly and fixedly installed on the inner wall of the bottom of the installation and setting groove 2, two sliding cross rods 8 are fixedly installed on one side, close to each other, of the four L-shaped blocks 7, two sliding adjusting blocks 9 are slidably installed on the sliding cross rods 8, hinge rods 10 are hinged to the sliding adjusting blocks 9, two rectangular fixing blocks 11 are fixedly installed at the bottom of the placement bottom plate 4, one ends, far away from the sliding adjusting blocks 9, of the hinge rods 10 are hinged to the corresponding rectangular fixing blocks 11, four vertical sliding rods 12 are fixedly installed between the top of the side groove 3 and the inner wall of the bottom of the side groove, strip-shaped blocks 13 are slidably installed on the four vertical sliding rods 12, and the tops of the strip-shaped blocks 13 are;

the device is characterized in that two first springs are sleeved on a sliding cross rod 8, two ends of each first spring are fixedly connected with an L-shaped block 7 and a sliding adjusting block 9 respectively, the elastic stiffness coefficient of each first spring is 150N/m to 280N/m, a second spring is sleeved on a vertical sliding rod 12, the top end and the bottom end of each second spring are fixedly connected with a strip-shaped rod 13 and the inner wall of the bottom of a side position groove 3 respectively, the elastic stiffness coefficient of each second spring is 120N/m to 240N/m, two ball rolling grooves are formed in the inner wall of the bottom of an installation groove 2, balls are inlaid at the bottoms of the four sliding adjusting blocks 9, the bottoms of the balls are in contact with the inner walls of the ball rolling grooves, the centrifugal fan 5 is G/Y4-72 in type, and the device is provided with a centrifugal fan 5 through a box-shaped block 1, the installation groove 2, the side position groove 3, a placement bottom plate 4, the centrifugal fan 5, The L-shaped block 7, the sliding cross rod 8, the sliding adjusting block 9, the hinge rod 10, the rectangular fixed blocks 11, the vertical sliding rod 12 and the strip-shaped block 13 are matched, the centrifugal ventilator 5 drives the two rectangular fixed blocks 11 to move downwards through the placing bottom plate 4, the rectangular fixed blocks 11 drive the sliding adjusting block 9 to perform sliding motion on the sliding cross rod 8 through the hinge rod 10 to extrude the first spring, so that the first spring is deformed, thereby carrying out first wheel shock absorption, the placing bottom plate 4 drives the four bar-shaped blocks 13 to carry out sliding motion on the corresponding vertical slide bars 12, the bar-shaped blocks 13 extrude the second springs, carry out the shock attenuation of second round through the second spring, the utility model is simple in operation, convenient to use carries out the two-wheeled shock attenuation to centrifugal fan 5 through the cooperation of first spring with the second spring, makes centrifugal fan 5 keep relative stability when the operation, guarantees its normal function.

The working principle is as follows: when the centrifugal fan 5 works, the centrifugal fan 5 can generate kinetic energy to drive the placement bottom plate 4 to move downwards, the placement bottom plate 4 drives the four strip-shaped blocks 13 to move, the strip-shaped blocks 13 slide on the corresponding vertical slide bars 12, meanwhile, the second springs are extruded, the second springs are deformed, the placement bottom plate 4 drives the two rectangular fixed blocks 11 to move simultaneously, the rectangular fixed blocks 11 drive the four sliding adjusting blocks 9 to move through the hinge rods 10, the four sliding adjusting blocks 9 correspondingly correspond to the sliding cross rods 8 in pairs and do sliding movement away from each other, the first springs are extruded, the downward force generated by the centrifugal fan 5 is converted into elastic potential energy of the springs by the action of the elastic forces of the first springs and the second springs, the centrifugal fan 5 generates buffering, and the shock absorption is performed.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

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 bumper shock absorber for centrifugal fan which characterized in that: the device comprises a box type block (1), an installation setting groove (2), side position grooves (3), a placement bottom plate (4), a centrifugal fan (5) and an adjusting mechanism (6), wherein the installation setting groove (2) is formed in the top of the box type block (1), the two side position grooves (3) are respectively formed in the inner walls of the two sides of the installation setting groove (2), the placement bottom plate (4) is located in the installation setting groove (2), the centrifugal fan (5) is fixedly installed at the top of the placement bottom plate (4), and the adjusting mechanism (6) is located in the installation setting groove (2);

the adjusting mechanism (6) comprises four L-shaped blocks (7) distributed in a rectangular array, two L-shaped blocks (7) are correspondingly and uniformly fixedly mounted on the inner wall of the bottom of the installation setting groove (2), one side, close to each other, of each L-shaped block (7) is fixedly mounted with two sliding cross rods (8), the sliding cross rods (8) are slidably mounted with two sliding adjusting blocks (9), the sliding adjusting blocks (9) are hinged with hinge rods (10), the bottom of the placement bottom plate (4) is fixedly mounted with two rectangular fixing blocks (11), one ends, far away from the sliding adjusting blocks (9), of the hinge rods (10) are hinged with corresponding rectangular fixing blocks (11), four vertical sliding rods (12) are fixedly mounted between the top and the inner wall of the bottom of the side groove (3), and strip-shaped blocks (13) are slidably mounted on the four vertical sliding rods (12), the top of the bar-shaped block (13) is fixedly connected with the bottom of the placing bottom plate (4).

2. The damper for a centrifugal fan according to claim 1, characterized in that: the cover is equipped with two first springs on slip horizontal pole (8), the both ends of two first springs respectively with L type piece (7) and slip regulating block (9) fixed connection, the elasticity coefficient of stiffness of first spring is 150N/m to 280N/m.

3. The damper for a centrifugal fan according to claim 1, characterized in that: the cover is equipped with the second spring on vertical slide bar (12), the top and the bottom of second spring respectively with the bottom inner wall fixed connection of bar piece (13) and side position groove (3), the elasticity coefficient of stiffness of second spring is 120N/m to 240N/m.

4. The damper for a centrifugal fan according to claim 1, characterized in that: two ball rolling grooves are formed in the inner wall of the bottom of the installation setting groove (2), balls are inlaid in the bottoms of the four sliding adjusting blocks (9), and the bottoms of the balls are in contact with the inner wall of the ball rolling grooves.

5. The damper for a centrifugal fan according to claim 1, characterized in that: the model of the centrifugal ventilator (5) is G/Y4-72.