Damping and buffering device for fan

Abstract

The utility model relates to the technical field of fan damping and buffering, in particular to a fan damping and buffering device which is characterized by comprising a damper, the damper comprises a first damping cylinder and a second damping cylinder, a first connecting piece is connected between the first damping cylinder and the second damping cylinder in a sliding mode, and a second connecting piece is connected between the second damping cylinder and the first connecting piece. The side, away from the first damping cylinder, of the second damping cylinder is slidably connected with a second connecting piece. The first damping cylinder, the second damping cylinder, the first connecting piece and the second connecting piece are arranged, so that the vibration amplitude of the fan can be reduced, and the influence caused by vibration of the fan is reduced; springs are arranged in the first damping cylinder and the second damping cylinder, so that the moving stroke of the guide plate in the damper is reduced through the characteristics of the springs, and the amplitude of the fan is reduced; by arranging the guide groove and the clamping block which are clamped with each other, the guide plate can only move along the guide groove, the function of absorbing vibration and impact energy of the spring can be fully played, and the damping effect of the damper is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan shock absorption and buffering, in particular to a shock absorption and buffering device for a fan. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Fan is the customary abbreviation for gas compression and gas delivery machinery in China. The fans usually include ventilators, blowers, and wind turbines.

[0003] Fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and conveying of grains, wind tunnel wind sources and inflation and propulsion of hovercraft, etc.

[0004] During the operation of the fan, the high-frequency rotation of the motor inside the fan will cause the fan to vibrate. Long-term vibration of the fan will not only affect the firmness of the fan installation, but also affect the normal use of the fan. The existing fan shock absorbing device has weak shock absorbing and buffering ability for fan vibration.

[0005] Therefore, the present application provides a shock absorbing and buffering device for a fan to overcome the defects of the prior art. Utility Model Content

[0006] The utility model aims to solve the problem that the existing shock absorbing device for fans has a weak shock absorbing and buffering ability for fan vibration.

[0007] The technical solution of the utility model provides a shock-absorbing and buffering device for a fan, including a shock absorber, wherein the shock absorber includes a first shock-absorbing cylinder and a second shock-absorbing cylinder, a first connecting piece is slidably connected between the first shock-absorbing cylinder and the second shock-absorbing cylinder, and a second connecting piece is slidably connected to a side of the second shock-absorbing cylinder away from the first shock-absorbing cylinder.

[0008] As a preferred technical solution, the first connecting member includes a first connecting column, the top of which is fixedly connected to a first guide plate, the middle of which is fixedly connected to a partition, and the bottom of which is fixedly connected to a second guide plate; the top and bottom of the partition are glued with rubber pads to reduce the impact force when the first shock-absorbing cylinder and the second shock-absorbing cylinder hit the partition.

[0009] As a preferred technical solution, the first shock-absorbing cylinder includes a first shell, the first guide plate is slidably connected to the inner wall of the first shell, the top of the first guide plate is fixedly connected to a first spring, the top of the first spring is fixedly connected to the inner top wall of the first shell, the bottom of the first guide plate is fixedly connected to a second spring, and the bottom of the second spring is fixedly connected to the inner bottom wall of the first shell; the first spring and the second spring work together to reduce the moving speed and distance of the first guide plate in the first shell.

[0010] As a preferred technical solution, the second shock-absorbing cylinder includes a second shell, the second guide plate is slidably connected to the inner wall of the second shell, the top of the second guide plate is fixedly connected to a third spring, the top of the third spring is fixedly connected to the inner top wall of the second shell, the bottom of the second guide plate is fixedly connected to a fourth spring, and the bottom of the fourth spring is fixedly connected to the third guide plate; the third spring and the fourth spring are used to prevent the second guide plate from moving, and can reduce the moving speed and distance of the second guide plate in the second shell.

[0011] As a preferred technical solution, the second connecting member includes a second connecting column, the top of which is fixedly connected to the third guide plate, and the bottom of which is fixedly connected to the fourth guide plate.

[0012] As a preferred technical solution, the second shock-absorbing cylinder includes a second shell, the third guide plate is slidably connected to the inner wall of the second shell, the top of the third guide plate is fixedly connected to a fourth spring, the top of the fourth spring is fixedly connected to the second guide plate, the bottom of the third guide plate is fixedly connected to a fifth spring, and the bottom of the fifth spring is fixedly connected to the inner bottom wall of the second shell; the fourth spring and the fifth spring work together to effectively prevent the movement of the third guide plate and reduce the moving speed and distance of the third guide plate in the second shell.

[0013] As a preferred technical solution, a sixth spring is fixedly connected to the top of the partition, and the top of the sixth spring is fixedly connected to the bottom of the first shock-absorbing cylinder; a seventh spring is fixedly connected to the bottom of the partition, and the bottom of the seventh spring is fixedly connected to the top of the second shock-absorbing cylinder; the sixth spring and the seventh spring work together to reduce the distance that the first shock-absorbing cylinder and the second shock-absorbing cylinder move toward the partition during vibration, so that the fan stops vibrating quickly.

[0014] As a preferred technical solution, the top of the second shock-absorbing cylinder is fixedly connected to the eighth spring, and the bottom of the eighth spring is fixedly connected to the fourth guide plate; the eighth spring is used to slow down the vibration amplitude and reduce the destructive force of the vibration.

[0015] As a preferred technical solution, two guide grooves are relatively opened on the inner side walls of the first shell and the second shell, and blocks are provided on both sides of the first guide plate, the second guide plate and the third guide plate. The first guide plate is slidably connected to the guide groove on the side wall of the first shell through the blocks on both sides thereof, and the second guide plate and the third guide plate are slidably connected to the guide groove on the side wall of the second shell through the blocks on both sides thereof; the guide groove and the blocks are mutually engaged, so that the guide plate can only move along the guide groove, which can maximize the effect of the spring and prevent the fan from tilting to one side.

[0016] As a preferred technical solution, a fan is fixedly connected to the top of the shock absorber, and a shock-absorbing pad is fixedly connected between the fan and the shock absorber; the material of the shock-absorbing pad is one of rubber, sponge or pearl cotton.

[0017] The beneficial effects of the shock absorbing and buffering device for a fan provided by the utility model are:

[0018] The utility model provides a first shock-absorbing cylinder, a second shock-absorbing cylinder, a first connecting piece, and a second connecting piece, so that the device can reduce the vibration amplitude of the fan and reduce the impact of the fan vibration;

[0019] By arranging springs inside the first shock-absorbing cylinder and the second shock-absorbing cylinder, the device can absorb vibration and impact energy through deformation when the spring is subjected to external force, thereby reducing the travel of the guide plate in the shock absorber and reducing the amplitude of the fan;

[0020] By providing mutually engaging guide grooves and blocks, the guide plate can only move along the guide grooves, so that the spring can maximize its role in absorbing vibration and impact energy, thereby improving the shock absorbing effect of the shock absorber. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the first embodiment of the utility model;

[0022] Figure 2 It is a three-dimensional diagram of a shock absorber according to a first embodiment of the utility model;

[0023] Figure 3 It is a cross-sectional view of a shock absorber according to a first embodiment of the utility model;

[0024] Figure 4 It is a front view of the second embodiment of the utility model;

[0025] Figure 5 It is a horizontal cross-sectional view of the first shock-absorbing cylinder of the first embodiment of the utility model.

[0026] Among them, 1. fan; 2. shock absorber; 21. first shock absorber cylinder; 211. first shell; 212. first spring; 213. second spring; 22. second shock absorber cylinder; 221. second shell; 222. third spring; 223. fourth spring; 224. fifth spring; 23. first connecting member; 231. first connecting column; 232. first guide plate; 233. partition; 234. second guide plate; 24. second connecting member; 241. second connecting column; 242. third guide plate; 243. fourth guide plate; 25. guide groove; 26. block; 27. sixth spring; 28. seventh spring; 29. ​​eighth spring; 3. shock pad. DETAILED DESCRIPTION

[0027] In order to make the technical means, technical features, utility model objectives and technical effects achieved by the utility model easy to understand, the utility model is further explained below in conjunction with specific diagrams; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] As attached Figure 1 To Attachment Figure 2 As shown: a shock absorbing and buffering device for a fan, including a shock absorber 2, a fan 1 is fixedly connected to the top of the shock absorber 2, and a shock absorbing pad 3 is fixedly connected between the fan 1 and the shock absorber 2; the material of the shock absorbing pad 3 is one of rubber, sponge or pearl cotton.

[0030] As attached Figure 2 To Attachment Figure 3 As shown: the shock absorber 2 includes a first shock absorber cylinder 21 and a second shock absorber cylinder 22, a first connecting member 23 is slidably connected between the first shock absorber cylinder 21 and the second shock absorber cylinder 22, and a second connecting member 24 is slidably connected to the side of the second shock absorber cylinder 22 away from the first shock absorber cylinder 21.

[0031] The first shock-absorbing cylinder 21 includes a first shell 211 , and a first spring 212 and a second spring 213 are sequentially disposed inside the first shell 211 from top to bottom.

[0032] The second shock-absorbing cylinder 22 includes a second shell 221 , and a third spring 222 , a fourth spring 223 , and a fifth spring 224 are sequentially disposed inside the second shell 221 from top to bottom.

[0033] The first connecting member 23 includes a first connecting column 231, the top of which is fixedly connected to a first guide plate 232, and the middle of which is fixedly connected to a partition 233, wherein the partition 233 is located between the first shock-absorbing cylinder 21 and the second shock-absorbing cylinder 22, and the top and bottom of the partition 233 are both glued with rubber pads to mitigate the impact force when the first shock-absorbing cylinder 21 and the second shock-absorbing cylinder 22 hit the partition when the shock absorber 2 is subjected to a large impact, and the bottom of the first connecting column 231 is fixedly connected to a second guide plate 234.

[0034] The second connecting member 24 includes a second connecting column 241 . The third guide plate 242 is fixedly connected to the top of the second connecting column 241 , and the fourth guide plate 243 is fixedly connected to the bottom of the second connecting column 241 .

[0035] The first guide plate 232 is slidably connected to the inner wall of the first shell 211, the top of the first guide plate 232 is fixedly connected to the bottom of the first spring 212, the top of the first spring 212 is fixedly connected to the inner top wall of the first shell 211, the bottom of the first guide plate 232 is fixedly connected to the top of the second spring 213, and the bottom of the second spring 213 is fixedly connected to the inner bottom wall of the first shell 211.

[0036] The second guide plate 234 is slidably connected to the inner wall of the second shell 221, the top of the second guide plate 234 is fixedly connected to the bottom of the third spring 222, the top of the third spring 222 is fixedly connected to the inner top wall of the first shock absorber cylinder 21, the bottom of the first guide plate 232 is fixedly connected to the top of the fourth spring 223, and the bottom of the fourth spring 223 is fixedly connected to the top of the third guide plate 242.

[0037] The third guide plate 242 is slidably connected to the inner wall of the second shell 221 , the bottom of the third guide plate 242 is fixedly connected to the top of the fifth spring 224 , and the bottom of the fifth spring 224 is fixedly connected to the inner bottom wall of the second shell 221 .

[0038] The second spring 213 and the third spring 222 are wound around the outside of the first connecting post 231 , and the fifth spring 224 is wound around the outside of the second connecting post 241 .

[0039] Two guide grooves 25 are provided on the inner side walls of the first shell 211 and the second shell 221. Blocks 26 are provided on both sides of the first guide plate 232, the second guide plate 234 and the third guide plate 242. The first guide plate 232 is slidably connected to the guide groove 25 on the side wall of the first shell 211 through the blocks 26 on both sides thereof. The second guide plate 234 and the third guide plate 242 are slidably connected to the guide groove 25 on the side wall of the second shell 221 through the blocks 26 on both sides thereof.

[0040] Working principle: In this device, the characteristic of the spring itself that it deforms under the action of external force and absorbs energy is utilized to reduce the vibration of the fan 1 itself or the influence of the fan 1 being subjected to external force, so that the shock absorber 2 plays a role of shock absorption and buffering.

[0041] Embodiment 2

[0042] This embodiment is different from the first embodiment in that in this device, a sixth spring 27 is fixedly connected to the top of the partition 233, and the top of the sixth spring 27 is fixedly connected to the bottom of the first shock-absorbing cylinder 21; a seventh spring 28 is fixedly connected to the bottom of the partition 233, and the bottom of the seventh spring 28 is fixedly connected to the top of the second shock-absorbing cylinder 22.

[0043] The bottom of the second damping cylinder 22 is fixedly connected to an eighth spring 29 , and the bottom of the eighth spring 29 is fixedly connected to the top of the fourth guide plate 243 .

[0044] In this device, a sixth spring 27 and a seventh spring 28 are arranged between the partition 233 and the first shock absorbing cylinder 21 and the second shock absorbing cylinder 22, and an eighth spring 29 is arranged between the second shock absorbing cylinder 22 and the fourth guide plate 243, which can further reduce the impact of the vibration of the fan 1.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made according to the content of the patent application scope of the present invention should fall within the technical scope of the present invention.

Claims

1. A shock absorbing and buffering device for a fan, characterized in that: The shock absorber (2) comprises a first shock absorber cylinder (21) and a second shock absorber cylinder (22), a first connecting member (23) being slidably connected between the first shock absorber cylinder (21) and the second shock absorber cylinder (22), and a second connecting member (24) being slidably connected to a side of the second shock absorber cylinder (22) away from the first shock absorber cylinder (21).

2. A shock absorbing and buffering device for a fan according to claim 1, characterized in that: The first connecting member (23) comprises a first connecting column (231), the top of the first connecting column (231) being fixedly connected to a first guide plate (232), the middle being fixedly connected to a partition plate (233), and the bottom being fixedly connected to a second guide plate (234).

3. A shock absorbing and buffering device for a fan according to claim 2, characterized in that: The first shock-absorbing cylinder (21) comprises a first shell (211), the first guide plate (232) is slidably connected to the inner wall of the first shell (211), the top of the first guide plate (232) is fixedly connected to a first spring (212), the top of the first spring (212) is fixedly connected to the inner top wall of the first shell (211), the bottom of the first guide plate (232) is fixedly connected to a second spring (213), and the bottom of the second spring (213) is fixedly connected to the inner bottom wall of the first shell (211).

4. A shock absorbing and buffering device for a fan according to claim 3, characterized in that: The second shock-absorbing cylinder (22) comprises a second shell (221), the second guide plate (234) is slidably connected to the inner wall of the second shell (221), the top of the second guide plate (234) is fixedly connected to a third spring (222), the top of the third spring (222) is fixedly connected to the inner top wall of the second shell (221), the bottom of the second guide plate (234) is fixedly connected to a fourth spring (223), and the bottom of the fourth spring (223) is fixedly connected to the third guide plate (242).

5. A shock absorbing and buffering device for a fan according to claim 1, characterized in that: The second connecting member (24) comprises a second connecting column (241), the top of the second connecting column (241) being fixedly connected to a third guide plate (242) and the bottom of the second connecting column (241) being fixedly connected to a fourth guide plate (243).

6. A shock absorbing and buffering device for a fan according to claim 5, characterized in that: The second shock-absorbing cylinder (22) comprises a second shell (221), the third guide plate (242) is slidably connected to the inner wall of the second shell (221), the top of the third guide plate (242) is fixedly connected to a fourth spring (223), the top of the fourth spring (223) is fixedly connected to the second guide plate (234), the bottom of the third guide plate (242) is fixedly connected to a fifth spring (224), and the bottom of the fifth spring (224) is fixedly connected to the inner bottom wall of the second shell (221).

7. A shock absorbing and buffering device for a fan according to claim 2, characterized in that: A sixth spring (27) is fixedly connected to the top of the partition (233), and the top of the sixth spring (27) is fixedly connected to the bottom of the first shock-absorbing cylinder (21). A seventh spring (28) is fixedly connected to the bottom of the partition (233), and the bottom of the seventh spring (28) is fixedly connected to the top of the second shock-absorbing cylinder (22).

8. A shock absorbing and buffering device for a fan according to claim 5, characterized in that: The bottom of the second shock-absorbing cylinder (22) is fixedly connected to an eighth spring (29), and the bottom of the eighth spring (29) is fixedly connected to a fourth guide plate (243).

9. A shock absorbing and buffering device for a fan according to claim 4, characterized in that: Two guide grooves (25) are provided on the inner side walls of the first shell (211) and the second shell (221) respectively. Blocks (26) are provided on both sides of the first guide plate (232), the second guide plate (234) and the third guide plate (242). The first guide plate (232) is slidably connected to the guide grooves (25) on the side wall of the first shell (211) via the block (26) on both sides thereof. The second guide plate (234) and the third guide plate (242) are slidably connected to the guide grooves (25) on the side wall of the second shell (221) via the block (26) on both sides thereof.

10. A shock absorbing and buffering device for a fan according to claim 9, characterized in that: The top of the shock absorber (2) is fixedly connected to a fan (1), and a shock absorbing pad (3) is fixedly connected between the fan (1) and the shock absorber (2).

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