Double-layer damping device suitable for small fan

By adopting a double-layer shock absorption structure in the fan and using a combination of hydraulic shock absorbers and rubber shock absorbers, the problem of poor shock absorption effect of existing fan shock absorbers is solved, and a more comprehensive and effective shock absorption effect is achieved, and the working stability and life of the fan are optimized.

CN222950133UActive Publication Date: 2025-06-06HARBIN ELECTRIC SCI & TECH CO LTD
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Patent Information

Application Number
CN202421650340.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-06-06
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

When the existing fan shock absorber is dealing with vibrations generated during the fan operation, the shock absorption effect is poor, the structure is complex, and the maintenance is difficult, so it is unable to effectively deal with various vibration situations.

Method used

The double-layer shock absorbing structure is adopted, and the combination of hydraulic shock absorbers and rubber shock absorbing cylinders can handle large and small amounts of vibrations respectively to improve the comprehensiveness and effectiveness of shock absorbing.

Benefits of technology

It achieves a more comprehensive and effective shock absorption effect, optimizes the working stability and life of the fan, and reduces the impact on surrounding equipment and environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-layer damping device suitable for a small fan, belongs to the technical field of fan damping, and aims to solve the problem that the working stability and the service life of the fan are influenced by the running vibration of the fan. Comprising a fan fixing plate, a damping layering plate, hydraulic dampers and rubber damping cylinders, two bases are arranged on the left side and the right side, the rubber damping cylinders are arranged on the bases, the two ends of the damping layering plate are arranged on the rubber damping cylinders on the two sides respectively, and one ends of the hydraulic dampers are hinged to the damping layering plate; the other ends of the hydraulic shock absorbers are hinged to the fan fixing plate, the axial directions of the hinge shafts are the same, and the inclination degrees of the hydraulic shock absorbers are the same. The double-layer shock absorption structure is adopted, the upper layer deals with large shock through the hydraulic shock absorbers, the lower layer deals with small shock through the rubber shock absorption cylinders, and shock absorption comprehensiveness and effectiveness are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fan shock absorption, and particularly relates to a double-layer shock absorption device suitable for small fans. Background Art

[0002] During the operation of the fan, due to its internal mechanical movement, large vibrations are often generated, which will not only affect the working stability and service life of the fan itself, but may also have an adverse impact on surrounding equipment or the environment. In addition, the existing fan shock absorption devices also have problems such as poor shock absorption effect, complex structure, and difficult maintenance, and cannot effectively cope with various vibration situations generated during the operation of the fan. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a double-layer shock absorption device suitable for small fans to solve the problem that the vibration during the operation of the fan affects the working stability and service life of the fan itself. The technical solution adopted by the utility model is as follows:

[0004] A double-layer shock absorption device suitable for small fans includes a fan fixing plate, a base, a shock absorption layered plate, a hydraulic shock absorber, and a rubber shock absorption cylinder. Two bases are arranged left and right. A number of rubber shock absorption cylinders are provided on the bases. The left end of the shock absorption layered plate is arranged on a number of rubber shock absorption cylinders of the left base, and the right end of the shock absorption layered plate is arranged on a number of rubber shock absorption cylinders of the right base. A number of first hinge ears are provided on the upper end surface of the shock absorption layered plate, and a number of second hinge ears are provided on the lower end surface of the fan fixing plate. One end of a number of hydraulic shock absorbers is hinged to a number of first hinge ears one by one through a hinge shaft, and the other end of a number of hydraulic shock absorbers is hinged to a number of second hinge ears one by one through a hinge shaft. The axial directions of a number of hinge shafts are the same, and the slopes of a number of hydraulic shock absorbers are the same.

[0005] Further, four rubber shock absorption cylinders are provided on each base.

[0006] Further, four fixing columns are provided on the base, and four rubber shock absorption cylinders are sleeved on the four fixing columns one by one. The height of the fixing column is lower than the height of the rubber shock absorption cylinder.

[0007] Further, the rubber shock absorption cylinder is composed of a number of rubber rings stacked together.

[0008] Further, the base is an equal-section member with a "C"-shaped cross-section. The opening sides of the two bases are arranged opposite to each other. Four rubber shock absorption cylinders are arranged in a front-back row on the lower side wall of the left base, and four rubber shock absorption cylinders are arranged in a front-back row on the lower side wall of the right base.

[0009] Further, a rubber pad is sleeved on the fixing column, and the lower end surface of the rubber shock absorption cylinder abuts against the lower side wall of the base through the rubber pad.

[0010] Furthermore, a plurality of layered plate heat dissipation holes are provided on the shock-absorbing layered plate.

[0011] Furthermore, both ends of the heat dissipation hole of the layered plate have rounded corners.

[0012] Furthermore, a plurality of fixing holes are provided on the fan fixing plate.

[0013] Furthermore, the number of hydraulic shock absorbers is ten, and the ten hydraulic shock absorbers are evenly divided into two groups. The two groups of hydraulic shock absorbers are respectively defined as a first group of shock absorbers and a second group of shock absorbers. The left end of the shock-absorbing layered plate is provided with five first articulated ears arranged front to back, the right end of the shock-absorbing layered plate is provided with five first articulated ears arranged front to back, the left part of the fan fixing plate is provided with five second articulated ears arranged front to back, and the right part of the fan fixing plate is provided with five second articulated ears arranged front to back. The lower ends of the first group of shock absorbers are respectively articulated to the five first articulated ears on the left side in a one-to-one correspondence, the upper ends of the first group of shock absorbers are respectively articulated to the five second articulated ears on the right side in a one-to-one correspondence, the lower ends of the second group of shock absorbers are respectively articulated to the five first articulated ears on the right side in a one-to-one correspondence, the upper ends of the second group of shock absorbers are respectively articulated to the five second articulated ears on the left side in a one-to-one correspondence, the first group of shock absorbers and the second group of shock absorbers are arranged alternately, and the spacing between the five first articulated ears on the left side and the five first articulated ears on the right side is adjusted according to the working conditions.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model adopts a double-layer shock-absorbing structure. The upper layer uses a plurality of hydraulic shock absorbers to cope with larger vibrations, and the lower layer uses a plurality of rubber shock-absorbing tubes to handle small vibrations, thereby improving the comprehensiveness and effectiveness of shock absorption.

[0016] 2. The heat dissipation holes of the layered board not only help to dissipate heat, but also remove dust, optimize the working environment and extend the service life of the equipment.

[0017] 3. The fan fixing plate has various fixing methods to meet different installation requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an axonometric drawing of the utility model;

[0019] Figure 2 It is the front view of the utility model;

[0020] Figure 3 is a schematic diagram of the connection between the hydraulic shock absorber and the first articulated ear;

[0021] Figure 4 This is a schematic diagram of the connection between the rubber shock absorber and the base.

[0022] In the figure, 1. fan fixing plate, 11. fixing hole, 2. base, 21. fixing column, 22. rubber pad, 3. shock-absorbing layered plate, 31. heat dissipation hole of the layered plate, 4. first hinged ear, 5. hydraulic shock absorber, 6. rubber shock-absorbing cylinder, 7. second hinged ear, 8. hinge shaft. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is described below by specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] The connection mentioned in the present utility model is divided into fixed connection and detachable connection. The fixed connection is a non-detachable connection, including but not limited to conventional fixed connection methods such as folding connection, rivet connection, bonding connection and welding connection. The detachable connection includes but is not limited to conventional detachable methods such as bolt connection, snap connection, pin connection and hinge connection. When the specific connection method is not clearly defined, it is assumed that at least one connection method can be found in the existing connection methods to achieve the function, and those skilled in the art can choose according to their needs. For example: choose welding connection for fixed connection and bolt connection for detachable connection.

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0026] Example: Figure 1 to Figure 4 As shown, a double-layer shock absorbing device suitable for a small fan includes a fan fixing plate 1, a base 2, a shock absorbing layered plate 3, a hydraulic shock absorber 5 and a rubber shock absorbing tube 6. The two bases 2 are arranged on the left and right, and a plurality of rubber shock absorbing tubes 6 are arranged on the base 2. The left end of the shock absorbing layered plate 3 is arranged on the plurality of rubber shock absorbing tubes 6 of the left base 2, and the right end of the shock absorbing layered plate 3 is arranged on the plurality of rubber shock absorbing tubes 6 of the right base 2. A plurality of first hinged ears 4 are arranged on the upper end surface of the shock absorbing layered plate 3, and a plurality of second hinged ears 7 are arranged on the lower end surface of the fan fixing plate 1. One end of the plurality of hydraulic shock absorbers 5 is hinged to the plurality of first hinged ears 4 in a one-to-one correspondence through a hinge shaft 8, and the other end of the plurality of hydraulic shock absorbers 5 is hinged to the plurality of second hinged ears 7 in a one-to-one correspondence through a hinge shaft 8. The axial directions of the plurality of hinge shafts 8 are the same, and the inclinations of the plurality of hydraulic shock absorbers 5 are the same.

[0027] Four rubber shock-absorbing tubes 6 are arranged on each base 2 .

[0028] The base 2 is provided with four fixing columns 21, and four rubber shock-absorbing cylinders 6 are sleeved on the four fixing columns 21 one by one. The height of the fixing column 21 is lower than that of the rubber shock-absorbing cylinder 6.

[0029] The rubber shock-absorbing cylinder 6 is composed of a plurality of rubber rings stacked together.

[0030] The base 2 is an equal-section member with a "C"-shaped cross-section. The open sides of the two bases 2 are arranged opposite to each other. Four rubber shock-absorbing cylinders 6 are arranged in the front and back on the lower side wall of the left base 2, and four rubber shock-absorbing cylinders 6 are arranged in the front and back on the lower side wall of the right base 2.

[0031] A rubber pad 22 is sleeved on the fixing column 21, and the lower end surface of the rubber shock-absorbing cylinder 6 abuts against the lower side wall of the base 2 through the rubber pad 22.

[0032] The shock-absorbing layered plate 3 is provided with a plurality of layered plate heat dissipation holes 31. The shock-absorbing layered plate 3 divides the present utility model into an upper layer and a lower layer. The upper layer uses a plurality of hydraulic shock absorbers 5 to cope with the large vibrations brought by the fan, and the lower layer uses a plurality of rubber shock-absorbing cylinders 6 to handle the small vibrations brought by the friction between the fan and the upper layer.

[0033] Both ends of the layered plate heat dissipation hole 31 are chamfered.

[0034] The fan fixing plate 1 is provided with a plurality of fixing holes 11. The small fan is connected to a plurality of the fixing holes 11 among the plurality of fixing holes 11 by bolts or self-locking nylon straps for fixing, and the plurality of fixing holes 11 can accommodate small fans of different specifications.

[0035] There are ten hydraulic shock absorbers 5, and the ten hydraulic shock absorbers 5 are evenly divided into two groups. The two groups of hydraulic shock absorbers 5 are respectively defined as a first group of shock absorbers and a second group of shock absorbers. The left end of the shock-absorbing layered plate 3 is provided with five first articulated ears 4 arranged front to back, and the right end of the shock-absorbing layered plate 3 is provided with five first articulated ears 4 arranged front to back, the left part of the fan fixing plate 1 is provided with five second articulated ears 7 arranged front to back, and the right part of the fan fixing plate 1 is provided with five second articulated ears 7 arranged front to back, the lower ends of the first group of shock absorbers are respectively hinged to the five first articulated ears 4 on the left side in a one-to-one correspondence, the upper ends of the first group of shock absorbers are respectively hinged to the five second articulated ears 7 on the right side in a one-to-one correspondence, the lower ends of the second group of shock absorbers are respectively hinged to the five first articulated ears 4 on the right side in a one-to-one correspondence, and the upper ends of the second group of shock absorbers are respectively hinged to the five second articulated ears 7 on the left side in a one-to-one correspondence, the first group of shock absorbers and the second group of shock absorbers are arranged alternately, and the spacing between the five first articulated ears 4 on the left side and the five first articulated ears 4 on the right side is adjusted according to the working conditions. When the fan vibrates very obviously, the distance between the five first hinged ears 4 on the left and the five first hinged ears 4 on the right can be reduced, thereby effectively regulating the amplitude of shock absorption. After the fan is firmly fixed on the fan fixing plate 1, the fan is started and put into normal operation.

[0036] The utility model adopts a double-layer shock-absorbing structure, which improves the comprehensiveness and effectiveness of shock absorption.

[0037] The heat dissipation holes 31 of the layered plate are helpful for heat dissipation and facilitate dust cleaning, thus optimizing the working environment and extending the service life of the equipment.

[0038] The fan fixing plate 1 can be fixed in various ways to meet different installation requirements.

[0039] The above embodiments are merely illustrative of the present invention and do not limit its protection scope. Those skilled in the art may also make partial changes thereto, which are within the protection scope of the present invention as long as they do not exceed the spirit of the present invention.

Claims

1. A double-layer shock absorbing device suitable for a small fan, characterized in that: It includes a fan fixing plate (1), a base (2), a shock-absorbing layered plate (3), hydraulic shock absorbers (5) and rubber shock-absorbing cylinders (6). Two bases (2) are arranged left and right. A number of rubber shock-absorbing cylinders (6) are provided on the base (2). The left end of the shock-absorbing layered plate (3) is arranged on a number of rubber shock-absorbing cylinders (6) of the left base (2), and the right end of the shock-absorbing layered plate (3) is arranged on a number of rubber shock-absorbing cylinders (6) of the right base (2). A number of first hinge ears (4) are provided on the upper end surface of the shock-absorbing layered plate (3), and a number of second hinge ears (7) are provided on the lower end surface of the fan fixing plate (1). One end of a number of hydraulic shock absorbers (5) is hinged to a number of first hinge ears (4) one by one through a hinge shaft (8), and the other end of a number of hydraulic shock absorbers (5) is hinged to a number of second hinge ears (7) one by one through a hinge shaft (8). The axial directions of a number of hinge shafts (8) are the same, and the slopes of a number of hydraulic shock absorbers (5) are the same.

2. A double-layer shock absorbing device suitable for a small fan according to claim 1, characterized in that: Four rubber shock-absorbing cylinders (6) are provided on each base (2).

3. A double-layer shock absorbing device suitable for a small fan according to claim 2, characterized in that: Four fixing columns (21) are provided on the base (2). Four rubber shock-absorbing cylinders (6) are sleeved on the four fixing columns (21) one by one. The height of the fixing column (21) is lower than the height of the rubber shock-absorbing cylinder (6).

4. A double-layer shock absorbing device suitable for a small fan according to claim 3, characterized in that: The rubber shock-absorbing cylinder (6) is composed of a number of rubber rings stacked together.

5. A double-layer shock absorbing device suitable for a small fan according to claim 4, characterized in that: The base (2) is a member with a "匚"-shaped cross-section. The open sides of the two bases (2) are arranged opposite to each other. Four rubber shock-absorbing cylinders (6) are arranged in a front-back row on the lower side wall of the left base (2), and four rubber shock-absorbing cylinders (6) are arranged in a front-back row on the lower side wall of the right base (2).

6. A double-layer shock absorbing device suitable for a small fan according to claim 5, characterized in that: A rubber pad (22) is sleeved on the fixing column (21). The lower end surface of the rubber shock-absorbing cylinder (6) abuts against the lower side wall of the base (2) through the rubber pad (22).

7. A double-layer shock absorbing device suitable for a small fan according to claim 1, characterized in that: A number of layered plate heat dissipation holes (31) are provided on the shock-absorbing layered plate (3).

8. A double-layer shock absorbing device suitable for a small fan according to claim 7, characterized in that: Both ends of the layered plate heat dissipation hole (31) are rounded.

9. A double-layer shock absorbing device suitable for a small fan according to claim 1, characterized in that: A number of fixing holes (11) are provided on the fan fixing plate (1).

10. A double-layer shock absorbing device suitable for a small fan according to any one of claims 1 to 9, characterized in that: The number of hydraulic shock absorbers (5) is ten. The ten hydraulic shock absorbers (5) are evenly divided into two groups. The two groups of hydraulic shock absorbers (5) are respectively defined as the first group of shock absorbers and the second group of shock absorbers. Five first hinge ears (4) are arranged in a front-back row at the left end of the shock-absorbing layered plate (3), and five first hinge ears (4) are arranged in a front-back row at the right end of the shock-absorbing layered plate (3). Five second hinge ears (7) are arranged in a front-back row at the left part of the fan fixing plate (1), and five second hinge ears (7) are arranged in a front-back row at the right part of the fan fixing plate (1). The lower ends of the first group of shock absorbers are respectively hinged to the five left first hinge ears (4) one by one, the upper ends of the first group of shock absorbers are respectively hinged to the five right second hinge ears (7) one by one, the lower ends of the second group of shock absorbers are respectively hinged to the five right first hinge ears (4) one by one, the upper ends of the second group of shock absorbers are respectively hinged to the five left second hinge ears (7) one by one. The first group of shock absorbers and the second group of shock absorbers are arranged in an interleaved manner. The distance between the five left first hinge ears (4) and the five right first hinge ears (4) is adjusted according to the working conditions.