CN220890607U - Cooling fan bottom damping device - Google Patents
Cooling fan bottom damping device Download PDFInfo
- Publication number
- CN220890607U CN220890607U CN202322670519.8U CN202322670519U CN220890607U CN 220890607 U CN220890607 U CN 220890607U CN 202322670519 U CN202322670519 U CN 202322670519U CN 220890607 U CN220890607 U CN 220890607U
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- Prior art keywords
- spring
- cooling fan
- connecting sleeve
- counterweight base
- damping
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- 238000013016 damping Methods 0.000 title claims abstract description 58
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 230000035939 shock Effects 0.000 claims abstract description 26
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 239000006096 absorbing agent Substances 0.000 claims description 20
- 230000003139 buffering effect Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model belongs to the technical field of damping devices, and particularly relates to a cooling fan bottom damping device which comprises a counterweight base and a damping damper, wherein the damping damper is fixed at the upper end of the counterweight base, the top end of the damping damper is connected with a jacking plate, a soft cushion is adhered to the upper end surface of the jacking plate, a fixing column is welded in the middle of the bottom end of the jacking plate, fixing balls are symmetrically fixed on the outer walls of the left side and the right side of the bottom end of the fixing column, a first buffer assembly is arranged at the center of the counterweight base and is respectively connected with the fixing column and the fixing balls, and a group of second buffer assemblies are respectively arranged at the front and the rear of one end of the first buffer assembly, which is positioned outside the counterweight base. The spiral spring can play a role in absorbing energy and buffering again, the connecting sleeve can also push the rack meshed with the spiral spring to move horizontally to squeeze the second spring, and the first spring, the spiral spring and the second spring can realize the effects of absorbing energy, buffering and absorbing shock for many times, so that the shock absorption effect is better and stronger.
Description
Technical Field
The utility model belongs to the technical field of damping devices, and particularly relates to a damping device at the bottom of a cooling fan.
Background
The cooling fan is a common cooling device and is applied to life and industry, the cooling fan is mainly composed of a motor, a shell and fan blades, vibration can occur in the running working process of the cooling fan, and therefore, in order to reduce the possible influence of vibration on the running of the cooling fan, a damping device is required to be installed at the bottom.
The Chinese patent publication No. CN202320324420.X is a novel damping cooling fan, which comprises a case, wherein a damping mechanism is arranged at the bottom of the case, and comprises a U-shaped plate, a spring, a damper, a chute, a sliding block and a connecting plate; this cooling fan is through setting up damper, can make cooling fan when later stage uses, can carry out shock attenuation buffering to cooling fan through damper, thereby can prevent that cooling fan from using for a long time and impaired, through the starter motor, thereby drive the output shaft and rotate, thereby drive the flabellum and rotate, thereby drive the device wholly shake, thereby drive the slider and move down in the spout, thereby drive the spring and shrink, the cooperation between rethread spring reset and the attenuator, thereby drive the device and upwards move, thereby drive the slider and upwards move in the spout, thereby carry out shock attenuation buffering. However, during the actual use of the cooling fan, the following defects are found to be needed to be improved: the damping and buffering effect of the damping mechanism of the cooling fan is single, and the damping and buffering effect of the damping mechanism of the cooling fan is not achieved through multiple times of energy absorption and buffering. Therefore, there is an urgent need to improve the existing cooling fan bottom damping mechanism, and provide a cooling fan bottom damping device with multiple energy absorption, buffering and damping effects.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides a cooling fan bottom damping device which is reasonable in design, simple in structure and has multiple energy absorption, buffering and damping effects, and the cooling fan bottom damping device is used for solving the problems 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 cooling fan bottom damping device, it includes counter weight base and damping bumper shock absorber, the upper end at the counter weight base is fixed to damping bumper shock absorber, and damping bumper shock absorber's top is connected with the top backing plate, and the up end of top backing plate bonds there is the cushion, and the bottom middle part welding of top backing plate has the fixed column, and the bottom left and right sides outer wall symmetry of fixed column is fixed with the fixed ball, the center department of counter weight base is equipped with first buffer assembly, and first buffer assembly is connected with fixed column and fixed ball respectively, and first buffer assembly is equipped with a set of second buffer assembly around the one end that is located the counter weight base respectively.
Preferably, two ends of the damping shock absorber are fixedly connected with the counterweight base and the jacking plate respectively, and the number of the damping shock absorbers is four and the damping shock absorbers are distributed at four right angles of the counterweight base.
Preferably, the cushion is made of felt or rubber.
Preferably, the first buffer assembly comprises a connecting sleeve, a scroll spring, a bearing, a spiral guide groove and a first spring, wherein the scroll spring and the bearing are fixedly connected between the outer side of the connecting sleeve and the counterweight base, the scroll spring is positioned under the bearing, the spiral guide groove is formed in the inner walls of the left side and the right side of the connecting sleeve, and the first spring is fixedly arranged at the inner bottom of the connecting sleeve.
Preferably, the two spiral guide grooves are symmetrically arranged at the center point of the circle center of the connecting sleeve, and one end of the fixed ball, which is away from the fixed column, is guided to slide and is positioned in the spiral guide grooves.
Preferably, a tooth-shaped structure is arranged on the outer wall of the top end of the connecting sleeve, and the two groups of second buffer assemblies are mutually linked through the connecting sleeve.
Preferably, the second buffer assembly comprises a cross rod, a rack and a second spring, the rack is sleeved on the outer side of one end of the cross rod in a sliding mode, the second spring is sleeved on the other end of the cross rod, two ends of the cross rod are welded and fixed with the counterweight base, and the rack is meshed and connected with the connecting sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
In the scheme of the utility model, the cooling fan is fixedly arranged on the top support plate, when vibration occurs, the primary vibration reduction can be performed through the plurality of damping vibration absorbers, and when the top support plate and the fixed column move downwards, the first spring positioned in the connecting sleeve can be extruded, and the impact force can be absorbed and buffered by utilizing the elasticity of the first spring.
When the fixed column moves downwards, the fixed ball extrusion connecting sleeve can be used for rotating, the spiral spring can play a role in absorbing energy and buffering again, and the rotating connecting sleeve can also push the rack meshed with the spiral spring to move horizontally to extrude the second spring. In conclusion, through first spring, spiral spring and second spring, can realize energy-absorbing buffering shock attenuation effect many times, shock attenuation effect is better, stronger.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:
FIG. 1 is a schematic diagram of a three-dimensional front view structure of the present utility model;
FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;
FIG. 3 is a schematic top view of a second buffer assembly of the present utility model;
Fig. 4 is a schematic cross-sectional front view of the connecting sleeve and the spiral guide groove of the present utility model.
In the figure:
1. A counterweight base; 2. damping shock absorber; 3. a top pallet; 4. a soft cushion; 5. fixing the column; 6. a fixed ball; 7. a first cushioning assembly; 71. connecting sleeves; 72. a spiral spring; 73. a bearing; 74. a spiral guide groove; 75. a first spring; 8. a second cushioning assembly; 81. a cross bar; 82. a rack; 83. and a second spring.
Detailed Description
The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:
as shown in one of fig. 1 to 4, the damping device at the bottom of the cooling fan of the utility model comprises a counterweight base 1 and a damping shock absorber 2, wherein the damping shock absorber 2 is fixed at the upper end of the counterweight base 1, the top end of the damping shock absorber 2 is connected with a jacking plate 3, a soft cushion 4 is adhered to the upper end surface of the jacking plate 3, a fixed column 5 is welded at the middle part of the bottom end of the jacking plate 3, fixed balls 6 are symmetrically fixed on the outer walls of the left side and the right side of the bottom end of the fixed column 5, a first buffer component 7 is arranged at the center of the counterweight base 1, the first buffer component 7 is respectively connected with the fixed column 5 and the fixed balls 6, and a group of second buffer components 8 are respectively arranged at the front and the back of one end of the first buffer component 7 positioned outside the counterweight base 1.
As a preferred embodiment, on the basis of the above structure, preferably, two ends of the damping vibration damper 2 are fixedly connected with the counterweight base 1 and the jacking plate 3 respectively, and the number of the damping vibration dampers 2 is four and distributed at four right angles of the counterweight base 1;
Through the setting of damping bumper shock absorber 2, can play preliminary absorbing effect, damping bumper shock absorber 2 is prior art product moreover, and its structure and theory of operation all adopt prior art, and no more detailed description is given.
As a preferred embodiment, in addition to the above structure, the cushion 4 is preferably made of felt or rubber;
Through the setting of cushion 4, the soft contact of top layer board 3 and cooling fan of being convenient for is favorable to the protection to the cooling fan outward appearance, utilizes soft material also can play the effect of absorbing partial impact.
As a preferred embodiment, based on the above structure, preferably, the first buffer assembly 7 includes a connecting sleeve 71, a spiral spring 72, a bearing 73, a spiral guide groove 74 and a first spring 75, the spiral spring 72 and the bearing 73 are fixedly connected between the outer side of the connecting sleeve 71 and the counterweight base 1, the spiral spring 72 is located under the bearing 73, the spiral guide grooves 74 are formed on the inner walls of the left and right sides of the connecting sleeve 71, and the first spring 75 is fixedly arranged at the inner bottom of the connecting sleeve 71;
Through the setting of the first buffer component 7, the impact caused by the operation of the cooling fan is conveniently absorbed and buffered for the first time.
As a preferred embodiment, based on the above structure, preferably, two spiral guide grooves 74 are symmetrically arranged at the center point of the connecting sleeve 71, and one end of the fixed ball 6, which is away from the fixed column 5, is guided to slide in the spiral guide groove 74;
When the jacking plate 3 and the fixed column 5 vibrate and move downwards, the fixed ball 6 can squeeze the spiral guide groove 74 to rotate the connecting sleeve 71, so that the spiral spring 72 can be utilized to absorb and buffer impact force.
As a preferred embodiment, based on the above structure, preferably, the outer wall of the top end of the connecting sleeve 71 is provided with a tooth-shaped structure, and the two groups of second buffer components 8 are mutually linked through the connecting sleeve 71;
Through the setting of two sets of second buffer unit 8, can realize carrying out energy-absorbing and buffering for the second time to the impact that cooling fan operation caused, make this damping device have energy-absorbing buffer capacity many times, the absorbing effect is better, stronger, more outstanding.
As a preferred embodiment, based on the above structure, the second buffer assembly 8 preferably includes a cross bar 81, a rack 82 and a second spring 83, wherein the rack 82 is slidably sleeved on the outer side of one end of the cross bar 81, the second spring 83 is sleeved on the other end of the cross bar 81, both ends of the cross bar 81 are welded and fixed with the counterweight base 1, and the rack 82 is engaged with the connecting sleeve 71;
When the connecting sleeve 71 rotates, the rack gear 82 engaged with the connecting sleeve is pushed to move horizontally along the cross bar 81, so that the second spring 83 can be pressed, and the resilience force of the second spring 83 can be utilized for energy absorption and buffering again.
The working principle of the utility model is as follows:
When the cooling fan is used, the cooling fan is fixedly arranged above the top supporting plate 3, when the cooling fan is started to work and run, a plurality of damping shock absorbers 2 are arranged between the counterweight base 1 and the top supporting plate 3, a primary shock absorption effect can be achieved, and when the top supporting plate 3 drives the fixed column 5 to move downwards in a vibrating manner, the fixed column 5 can squeeze the first spring 75 fixed at the inner bottom of the connecting sleeve 71 to absorb energy and buffer, and when the fixed column 5 drives the fixed balls 6 with both the left and right outer walls welded together to move downwards synchronously, the fixed balls 6 can also squeeze the spiral guide grooves 74 formed in the inner wall of the connecting sleeve 71, so that the connecting sleeve 71 rotates under the action of the bearing 73, and at the moment, the scroll spring 72 can absorb energy and buffer again, so that the energy absorption and buffer effect is improved;
Moreover, as shown in fig. 3, the top outer wall of the connecting sleeve 71 is in a tooth shape, so that when the connecting sleeve rotates, the rack 82 meshed with the connecting sleeve can be driven to stably and horizontally move along the cross rod 81, the second spring 83 is extruded, and the resilience force of the second spring 83 is utilized for absorbing energy and buffering again;
To sum up, after the damping damper 2 is utilized to realize the most basic damping in the scheme, the spiral spring 72 in the first buffer component 7, the first spring 75 and the second spring 83 in the second buffer component 8 can also be utilized to realize multiple energy absorption and buffering effects, so that the damping performance of the damping device is greatly improved, and the damping effect is better, stronger and more excellent.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model; all equivalent changes, modifications, substitutions and variations on the prior art by logic analysis, reasoning or limited experiments by those skilled in the art, based on the present inventive concept, shall be made within the scope of protection as defined by the claims.
Claims (7)
1. The utility model provides a cooling fan bottom damping device which characterized in that: the novel damping shock absorber comprises a counterweight base (1) and a damping shock absorber (2), wherein the damping shock absorber (2) is fixed at the upper end of the counterweight base (1), a jacking plate (3) is connected to the top end of the damping shock absorber (2), a soft cushion (4) is bonded to the upper end face of the jacking plate (3), fixing columns (5) are welded to the middle of the bottom end of the jacking plate (3), fixing balls (6) are symmetrically fixed to the outer walls of the left side and the right side of the bottom end of the fixing columns (5), a first buffer assembly (7) is arranged at the center of the counterweight base (1), the first buffer assembly (7) is connected with the fixing columns (5) and the fixing balls (6) respectively, and a group of second buffer assemblies (8) are arranged around one end of the first buffer assembly (7) located outside the counterweight base (1).
2. The cooling fan bottom damping device according to claim 1, wherein: the two ends of the damping shock absorbers (2) are fixedly connected with the counterweight base (1) and the jacking plate (3) respectively, and the number of the damping shock absorbers (2) is four and distributed at four right angles of the counterweight base (1).
3. The cooling fan bottom damping device according to claim 1, wherein: the soft cushion (4) is made of felt or rubber.
4. The cooling fan bottom damping device according to claim 1, wherein: the first buffer assembly (7) comprises a connecting sleeve (71), a spiral spring (72), a bearing (73), a spiral guide groove (74) and a first spring (75), wherein the spiral spring (72) and the bearing (73) are fixedly connected between the outer side of the connecting sleeve (71) and the counterweight base (1), the spiral spring (72) is located under the bearing (73), the spiral guide groove (74) is formed in the inner walls of the left side and the right side of the connecting sleeve (71), and the first spring (75) is fixedly arranged at the inner bottom of the connecting sleeve (71).
5. The cooling fan bottom damping device according to claim 4, wherein: the two spiral guide grooves (74) are symmetrically arranged at the center point of the circle of the connecting sleeve (71), and one end of the fixed ball (6) deviating from the fixed column (5) is positioned in the spiral guide grooves (74) in a guiding sliding manner.
6. The cooling fan bottom damping device according to claim 5, wherein: the outer wall of the top end of the connecting sleeve (71) is provided with a tooth-shaped structure, and the two groups of second buffer assemblies (8) are mutually linked through the connecting sleeve (71).
7. The cooling fan bottom cushioning apparatus of claim 6, wherein: the second buffer assembly (8) comprises a cross rod (81), a rack (82) and a second spring (83), wherein the rack (82) is sleeved outside one end of the cross rod (81) in a sliding mode, the second spring (83) is sleeved on the other end of the cross rod (81), two ends of the cross rod (81) are welded and fixed with the counterweight base (1), and the rack (82) is meshed and connected with the connecting sleeve (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670519.8U CN220890607U (en) | 2023-10-07 | 2023-10-07 | Cooling fan bottom damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670519.8U CN220890607U (en) | 2023-10-07 | 2023-10-07 | Cooling fan bottom damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890607U true CN220890607U (en) | 2024-05-03 |
Family
ID=90870005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322670519.8U Active CN220890607U (en) | 2023-10-07 | 2023-10-07 | Cooling fan bottom damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890607U (en) |
-
2023
- 2023-10-07 CN CN202322670519.8U patent/CN220890607U/en active Active
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