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CN-224224868-U - Dynamic balance structure of automobile exhaust fan

CN224224868UCN 224224868 UCN224224868 UCN 224224868UCN-224224868-U

Abstract

The utility model relates to the technical field of automobile exhaust fans and discloses a dynamic balance structure of an automobile exhaust fan, which comprises a motor, wherein an impeller shaft is fixedly connected to a driving end of the motor, a plurality of first connecting rods are fixedly connected to the outer part of the impeller shaft, first springs are sleeved outside the first connecting rods, one of the first springs is fixedly connected with a lantern ring on the right side, a first rubber column is arranged inside the lantern ring, a second connecting rod is connected inside the lantern ring in a sliding mode, a second spring is sleeved outside the second connecting rod, a connecting shaft is fixedly connected to the right side of the second connecting rod, a connecting ring is arranged outside the connecting shaft, and a plurality of fixing columns are fixedly connected to the outer part of the connecting ring. According to the utility model, the damping vibration and impact of elastic components such as the spring, the rubber column and the like are skillfully utilized, the adverse effects generated by the running of the vehicle and the running of the motor are effectively reduced, the stable running of the exhaust fan is ensured, and the service life of equipment is prolonged.

Inventors

  • WANG BINGXING
  • Luo Xichu

Assignees

  • 北京远东德丰科技有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (8)

  1. 1. A dynamic balance structure of an automobile exhaust fan comprises a motor (1) and is characterized in that a driving end of the motor (1) is fixedly connected with an impeller shaft (2), a plurality of first connecting rods (3) are fixedly connected to the outside of the impeller shaft (2), a first spring (4) is sleeved on the outside of the first connecting rods (3), one of the springs is fixedly connected with a lantern ring (6) on the right side of the first spring (4), a first rubber column (5) is arranged in the lantern ring (6), a second connecting rod (7) is slidingly connected to the inside of the lantern ring (6), a second spring (8) is sleeved on the outside of the second connecting rod (7), a connecting shaft (9) is fixedly connected to the right side of the second connecting rod (7), a connecting ring (10) is arranged on the outside of the connecting shaft (9), a plurality of fixing columns (11) are fixedly connected to the outside of the connecting rings, a connecting column (12) is slidingly connected to the inside of the fixing columns (11), a second rubber column (13) is arranged in the inside of the fixing columns (11), and a plurality of portable balance components (15) are convenient to take out.
  2. 2. The dynamic balance structure of an automobile exhaust fan according to claim 1, wherein the portable component comprises a placing groove (14), a balance block (15) is connected inside the placing groove (14) in a sliding mode, two limit grooves (16) are formed in the balance block (15), a plurality of fixing grooves (17) are formed in the connecting shaft (9), and wedge blocks (18) are connected inside the fixing grooves (17) in a sliding mode.
  3. 3. The dynamic balance structure of an exhaust fan of an automobile according to claim 1, wherein the outer part of the first connecting rod (3) is slidably connected to the inner part of the collar (6), and the right side of the first connecting rod (3) is in contact with the left side of the first rubber column (5).
  4. 4. The dynamic balance structure of an automobile exhaust fan according to claim 1, wherein the left side of the second connecting rod (7) is in contact with the right side of the first rubber column (5), and the left side of the second spring (8) is fixedly connected to the right side of the collar (6).
  5. 5. The dynamic balance structure of an exhaust fan for an automobile according to claim 1, wherein the left side of the second rubber column (13) is in contact with the left inner wall of the fixing column (11), and the right side of the second rubber column (13) is in contact with the left side of the connecting column (12).
  6. 6. The dynamic balance structure of an automobile exhaust fan according to claim 2, wherein a third spring (19) is fixedly connected to the right side of one wedge-shaped block (18), and the right side of the third spring (19) is fixedly connected to the right inner wall of the fixing groove (17).
  7. 7. The dynamic balance structure of an automobile exhaust fan according to claim 2, wherein a movable block (20) is fixedly connected to the front side of the balance block (15), and mounting seats (21) are fixedly connected to the far sides of the plurality of connecting columns (12).
  8. 8. The dynamic balance structure of an automobile exhaust fan according to claim 2, wherein the inner wall of the limit groove (16) is in contact with the outer part of the wedge-shaped block (18), and the outer part of the placing groove (14) is arranged in the connecting shaft (9).

Description

Dynamic balance structure of automobile exhaust fan Technical Field The utility model relates to the technical field of automobile exhaust fans, in particular to a dynamic balance structure of an automobile exhaust fan. Background The automobile exhaust fan is a ventilation device for an automobile, and is mainly arranged at a specific part of the automobile, and the motor drives the fan blades to rotate, so that dirty air in the automobile is discharged out of the automobile, and fresh air outside the automobile is promoted to flow in, so that the air quality and ventilation condition in the automobile are improved. The dynamic balance structure of the automobile exhaust fan enables the exhaust fan to generate minimum inertia force and moment when rotating through adjusting blade mass distribution, such as adding a balance block and changing blade thickness or material distribution, and the detection equipment measures vibration through the sensor to determine unbalanced position and size so as to adjust and ensure efficient and stable operation of the exhaust fan. In the prior art, when part of automobile exhaust fans run, vibration and impact generated by road jolts, engine running and the like continuously act on the exhaust fans, the conventional exhaust fan structure lacks effective buffering protection, under the long-term strong vibration impact, internal parts are easy to loosen, abrade and even damage, and the dynamic balance of the exhaust fans is influenced, so that noise and performance reduction are generated during running, the service life of the exhaust fans is greatly shortened, the maintenance cost and the risk of vehicle faults are increased, and the problem is solved by the dynamic balance structure of the automobile exhaust fans. Disclosure of utility model In order to make up for the defects, the utility model provides a dynamic balance structure of an automobile exhaust fan, and aims to solve the problems of noise generation and performance reduction during operation in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a dynamic balance structure of car air discharge fan, includes the motor, the drive end fixedly connected with impeller shaft of motor, the outside fixedly connected with of impeller shaft a plurality of connecting rods, the outside cover of connecting rod one is equipped with spring one, one of them the right side fixedly connected with lantern ring of spring one, the inside of lantern ring is provided with rubber column one, the inside sliding connection of lantern ring has connecting rod two, the outside cover of connecting rod two is equipped with spring two, the right side fixedly connected with connecting axle of connecting rod two, the outside of connecting axle is provided with the go-between, the outside fixedly connected with a plurality of fixed columns of go-between, the inside sliding connection of fixed column has the spliced pole, the inside of fixed column is provided with rubber column two, the portable subassembly of a plurality of balancing pieces of being convenient for putting is seted up to the inside of connecting axle; As a further description of the above technical solution: The portable assembly comprises a placing groove, a balance block is connected in the placing groove in a sliding mode, two limiting grooves are formed in the balance block, a plurality of fixing grooves are formed in the connecting shaft, and wedge-shaped blocks are connected in the fixing grooves in a sliding mode; As a further description of the above technical solution: The outer part of the first connecting rod is connected with the inner part of the lantern ring in a sliding way, and the right side of the first connecting rod is contacted with the left side of the first rubber column; As a further description of the above technical solution: The left side of the second connecting rod is contacted with the right side of the first rubber column, and the left side of the second spring is fixedly connected to the right side of the lantern ring; As a further description of the above technical solution: The left side of the second rubber column is contacted with the left inner wall of the fixed column, and the right side of the second rubber column is contacted with the left side of the connecting column; As a further description of the above technical solution: The right side of one wedge block is fixedly connected with a spring III, and the right side of the spring III is fixedly connected with the right inner wall of the fixing groove; As a further description of the above technical solution: The front side of the balance block is fixedly connected with a moving block, and the far sides of the connecting columns are fixedly connected with mounting seats; As a further description of the above technical solution: The inner wall of the limit groove is contacted with the outer par