CN206397827U - Shock-absorbing structure and its fan - Google Patents

Abstract

A shock-absorbing structure and a fan thereof, the shock-absorbing structure comprising a support body, a fixing seat and an elastic element, the support body having a lower end, the fixing seat having a tube portion, the tube portion having a protruding end and a receiving space, the protruding end corresponding to the lower end of the support body, the receiving space having a bottom, the elastic element being arranged in the receiving space of the tube portion and being located between the support body and the fixing seat, the two ends of the elastic element respectively contacting the lower end of the support body and the bottom of the receiving space, the shock-absorbing structure being applied in a fan, thereby greatly reducing the vibration of the fan operation.

Description

Shock-absorbing structure and its fan

【Technical field】

The utility model relates to a shock-absorbing structure and its fan, in particular to a shock-absorbing structure for reducing the vibration generated when the fan rotates, and a fan with the shock-absorbing structure.

【Background technique】

With the vigorous development of today's information technology, a large amount of information data needs to be calculated, integrated, transmitted and stored. In order to cope with such a huge data technology, the base of the server is born accordingly; according to different computing capabilities, the server is divided into Workgroup servers, departmental servers, and enterprise servers.

Servers, as hardware, usually refer to computers with high computing power that can be used by multiple users. Compared with ordinary PCs, servers need to work continuously in a 7X24-hour environment. This means that the server needs more stability technology to ensure data transmission.

In order to ensure the correctness of reading and writing, the disk drive in the server will detect the size of the vibration to feed back the control of the reading and writing head, which will affect the speed of reading and writing. In order to pursue the highest reading and writing efficiency, various storage device or server manufacturers use the rotation vibration (RV) of the hard disk to evaluate the vibration of the hard disk. Generally, if you want to improve the reading and writing efficiency, in addition to actively strengthening the hard disk In addition to its own structural characteristics, gaskets or shock-absorbing materials are also passively added to reduce the impact of vibration on the hard disk.

Another source of vibration is the cooling fan required inside the server. Various fan manufacturers also actively improve the efficiency of the motor and fan blades to reduce the transmission of vibration to the hard disk, or passively add gaskets or shock-absorbing materials to the fan bracket. To reduce the vibration caused by the fan and improve the read efficiency of the hard disk. However, the overall effect is still limited. It may reduce the vibration but sacrifice the heat dissipation capability, or the cost may increase due to the additional mechanical components.

Therefore, how to solve the above-mentioned problems and deficiencies is the direction that the inventor of this case and the relevant manufacturers engaged in this industry are eager to study and improve.

【Content of utility model】

Therefore, in order to effectively solve the above-mentioned problems, the main purpose of the present utility model is to provide a shock-absorbing structure that can reduce the vibration phenomenon generated when the fan is running.

Another object of the present invention is to provide a fan with a shock-absorbing structure.

In order to achieve the above purpose, the utility model provides a shock absorbing structure, which is applied to a fan with at least one bearing. The shock absorbing structure includes: a support body, a fixing base and an elastic element. The upper end and the lower end, the upper end supports the bearing, the fixed seat has a pipe portion and a fixed portion, the pipe portion has a protruding end and a receiving space, the protruding end corresponds to the lower end of the supporting body, the accommodating The accommodating space has a bottom, the fixing part is arranged on an outer side of the tube part, the elastic element is arranged in the accommodating space of the tube part, and is located between the support body and the fixing seat, and the elastic element has a first A support end contacts the lower end of the support body, and a second support end contacts the bottom of the accommodating space.

The utility model further provides a fan, which includes: a frame body, a stator group, a rotor group, a support body, a fixing seat and an elastic element; the frame body has a first opening and a second opening, The second opening is provided with a base, and the base is provided with a shaft tube and a receiving part, and at least one bearing is arranged in the shaft tube, and the stator group is sleeved outside the shaft tube, and the rotor group and the stator The set corresponds, and has a mandrel inserted in the shaft tube to pass through the bearing, the support body is arranged in the shaft tube and below the bearing, the support body has an upper end and a lower end, and the upper end supports the bearing, The fixing seat is arranged in the shaft cylinder and has a pipe portion and a fixing portion, the pipe portion has a protruding end and a receiving space, the protruding end corresponds to the lower end of the supporting body, and the accommodating space has a bottom, the fixing part is arranged on an outer side of the pipe part and is butted and combined with the receiving part; The element has a first supporting end contacting the lower end of the supporting body, and a second supporting end contacting the bottom of the accommodating space.

The above-mentioned lower end forms a step portion and a limiting portion, the step portion is sleeved in the protruding end, the limiting portion is formed on the outside of the step portion corresponding to the protruding end, and the protruding end defines an inner diameter larger than the An outer diameter of the step portion has an axial buffer gap between the protruding end and the limiting portion, and the elastic element includes one of a liquid damper, a gas damper and a spring damper.

【Description of drawings】

Fig. 1A is a three-dimensional exploded view of the shock absorbing structure;

Fig. 1B is a combined sectional view of the shock-absorbing structure;

FIG. 2A is a three-dimensional exploded view of the fan;

Figure 2B is an exploded sectional view of the fan;

FIG. 2C is a partially enlarged schematic diagram of a fan combination section;

Fig. 3A is a three-dimensional exploded view of another implementation base and fixing seat;

Fig. 3B is another combination sectional view of the base and the fixing seat;

Fig. 4A is a three-dimensional exploded view of yet another embodiment of the base and the fixing seat;

Fig. 4B is a combined sectional view of yet another embodiment of the base and the fixing seat;

Fig. 5A is a front view of a combination of serially connected fans;

FIG. 5B is a schematic partial cross-sectional view of the series-connected fans.

Description of main symbols:

Shock Absorbing Structure 1

Support body 11

upper end 111

lower end 112

Order Section 1121

Limiting part 1122

Fixing seat 12

Tube 121

Protruding end 1211

Accommodating space 1212

Bottom 1213

fixed part 122

Protruding arm 1221

Buckle 1222

Turnbuckle 1223

elastic element 13

first support end 131

second support end 132

fan 2

frame 21

first opening 211

Second opening 212

Base 213

Shaft 2131

Bearing 21311

Receiving Department 2132

Stator group 22

Rotor set 23

Mandrel 231

Axial buffer clearance A.

【detailed description】

The above-mentioned purpose of the utility model and its structural and functional characteristics will be described according to the preferred embodiments of the accompanying drawings.

Fig. 1A is a three-dimensional exploded view of a shock-absorbing structure; Fig. 1B is a combined sectional view of a shock-absorbing structure; Fig. 2A is a three-dimensional exploded view of a fan; Fig. 2B is an exploded sectional view of a fan; An exploded perspective view of a base and a fixed base; FIG. 3B is a combined sectional view of another base and a fixed base; FIG. 4A is an exploded perspective view of another base and a fixed base; FIG. 4B is another A cross-sectional view of the combination of the implementation base and the fixing seat; the front view of the serial fan combination in Figure 5A; and the partial cross-sectional schematic diagram of the serial fan in Figure 5B.

As shown in Fig. 1A to Fig. 1B, the damping structure 1 of the present utility model comprises a support body 11, a fixing seat 12 and an elastic element 13, and this support body 11 has an upper end 111 and a lower end 112, and this upper end 111 and The directions of the lower ends 112 are away from each other (opposite), and the lower end 112 forms a step portion 1121 and a limiting portion 1122 , the step portion 1121 is a concave structure, and the limiting portion 1122 is a blocking wall.

The fixing base 12 has a tube portion 121 and a fixing portion 122, the fixing base 12 forms the tube portion 121 in the axial direction, the tube portion 121 has a protruding end 1211 and a receiving space 1212, the receiving space 1212 It has a bottom 1213 , and the fixing portion 122 has a protruding arm 1221 . The protruding arm 1221 radially extends from the outside of the tube portion 121 to a free end, and the free end forms a buckle 1222 .

The elastic element 13 is located between the support body 11 and the fixing base 12 and is arranged in the accommodating space 1212. The elastic element 13 has a first support end 131 and a second support end 132. The first support end 131 Contacting the lower end 112 of the supporting body 11 , the second supporting end 132 contacts the bottom 1213 of the accommodating space 1212 , the elastic element 13 is, for example but not limited to, a liquid damper, a gas damper or a spring damper.

The aforesaid step portion 1121 is sleeved in the protruding end 1211, the limiting portion 1122 is formed on the outside of the step portion 1121 and corresponds to the protruding end 1211, the protruding end 1211 defines an inner diameter, and the inner diameter is larger than the step An outer diameter of the part 1121 enables the step part 1121 to move axially in the tube part 121, and the elastic element 13 is in the unstressed state. There is a gap between the protruding end 1211 and the limiting part 1122. Axial buffer gap A, when the elastic element 13 is in a stressed state, the axial buffer gap A will be shortened, and the protruding end 1211 will be in contact with the limiting portion 1122, the axial buffer gap A Long or short can be set according to the needs of use.

Please refer to Fig. 2A to Fig. 2C, supplemented with reference to Fig. 1A and Fig. 1B, it is the fan 2 of the present utility model, the fan 2 combines the above-mentioned damping structure 1, and the fan 2 includes a frame body 21, a stator group 22 and a rotor group 23, the frame body 21 has a first opening 211 and a second opening 212, the second opening 212 is provided with a base 213, and the base 213 is provided with a shaft cylinder 2131 and a receiving portion 2132, at least one bearing 21311 is provided in the shaft cylinder 2131, the stator group 22 is sleeved outside the shaft cylinder 2131, the rotor group 23 corresponds to the stator group 22, and has a mandrel 231 inserted in the shaft cylinder 2131 The bearing 21311 runs through.

The support body 11 mentioned above is set in the shaft cylinder 2131 and located below the bearing 21311, the upper end 111 supports the bearing 21311, and the fixing seat 12 is combined with the base 213. In this embodiment, the free end is a plug The buckle 1222 , the receiving portion 2132 is a socket corresponding to the buckle 1222 , so that when the rotor assembly 23 vibrates, the vibration is transmitted from the bearing 21311 to the supporting body 11 and the vibration is absorbed by the elastic element 13 .

Please refer to Fig. 3A and Fig. 3B, its overall structure is roughly the same as that of the above-mentioned embodiment, so it will not be repeated here. A slot of the turnbuckle 1223 achieves a stable combination of the fixing seat 12 and the base 213 through the structure of the turnbuckle 1223 and the slot.

Please refer to Fig. 4A and Fig. 4B, its overall structure is roughly the same as that of the above-mentioned embodiment, so it will not be repeated, the difference is that the fixing part 122 in this embodiment is an external thread, and the receiving part 2132 is one of the external threads whose structure corresponds The internal thread, through the structure of the external thread and the internal thread, achieves a stable combination of the fixing seat 12 and the base 213 .

Please refer to FIG. 5A and FIG. 5B , supplemented by referring to FIG. 2A , FIG. 2B and FIG. 2C , after placing the second openings 212 of the two fans 2 opposite to each other and fixing them to form a serial connection fan, thereby serving as the fan 2 When vibration occurs, the shock-absorbing structure 1 in each fan 2 will absorb the shock, which also achieves the purpose of shock absorption.

As mentioned above, the utility model is compared with the conventional cooling fan:

1. It has a good shock-absorbing effect.

2. Variety of fixed structure changes.

The utility model has been described in detail above, but the above description is only a preferred embodiment of the utility model, and should not limit the scope of implementation of the utility model. That is, all equivalent changes and modifications made according to the application scope of the utility model should still fall within the scope of the patent of the utility model.

Claims (16)

1. a kind of shock-damping structure, applied to the fan with an at least bearing, it is characterised in that the shock-damping structure is included：

One supporter, with a upper end and a lower end, the upper end supports the bearing；

One fixed seat, with a pipe portion and a fixed part, the pipe portion has one to protrude out end and an accommodation space, and this protrudes out end correspondence The lower end of the supporter, the accommodation space has a bottom, and the fixed part is arranged on an outside of the pipe portion；

One flexible member, is arranged in the accommodation space of the pipe portion, and positioned between the supporter and the fixed seat, the elasticity is first Part has a lower end of the one first support end in contact supporter, and the one second support end in contact accommodation space bottom.

2. shock-damping structure according to claim 1, it is characterised in that the lower end forms single order portion and a limiting section, the rank Portion is set in this and protruded out in end, and the limiting section forms the outside in the rank portion to that should protrude out end.

3. shock-damping structure according to claim 2, it is characterised in that this protrudes out end and defines an internal diameter is more than the rank portion one External diameter.

4. shock-damping structure according to claim 2, it is characterised in that this, which is protruded out between end and the limiting section, has one axially Buffer gap.

5. shock-damping structure according to claim 1, it is characterised in that the flexible member includes a liquid damper, a gas Press one of damper and a spring-damper.

6. shock-damping structure according to claim 1, it is characterised in that the fixed part has a projecting arms on the outside of the pipe portion A free end is radially extended, the free end forms an eye-splice.

7. shock-damping structure according to claim 1, it is characterised in that the fixed part has a projecting arms on the outside of the pipe portion A free end is radially extended, the free end forms a spinner.

8. shock-damping structure according to claim 1, it is characterised in that the fixed part is an external screw thread.

9. a kind of fan, it is characterised in that include：

One framework, with one first opening and one second opening, second opening is provided with a pedestal, and the pedestal is provided with a beam barrel And a receiving portion, an at least bearing is provided with the beam barrel；

Stator group, is set in outside the beam barrel；

One rotor set, is plugged in the beam barrel through the bearing with stator pack correspondence, and with wholeheartedly axle；

One shock-damping structure, comprising：

One supporter, in the beam barrel and positioned at the lower section of the bearing, the supporter has a upper end and a lower end, the upper end Support the bearing；

One fixed seat, in the beam barrel and with a pipe portion and a fixed part, the pipe portion has one to protrude out end and an accommodating sky Between, this protrude out end to should supporter lower end, the accommodation space has a bottom, and the fixed part is arranged on outside the one of the pipe portion Side and with the receiving portion docking combined with；

One flexible member, is arranged in the accommodation space of the pipe portion, and positioned between the supporter and the fixed seat, the elasticity is first Part has a lower end of the one first support end in contact supporter, and the one second support end in contact accommodation space bottom.

10. fan according to claim 9, it is characterised in that the lower end forms single order portion and a limiting section, rank portion set It is located at this to protrude out in end, the limiting section forms the outside in the rank portion to that should protrude out end.

11. fan according to claim 10, it is characterised in that this protrude out end define an internal diameter more than the one of the rank portion outside Footpath.

12. fan according to claim 10, it is characterised in that this, which is protruded out between end and the limiting section, has one axially to delay Rush gap.

13. fan according to claim 9, it is characterised in that the flexible member includes a liquid damper, an air pressure and hindered One of Buddhist nun's device and a spring-damper.

14. fan according to claim 9, it is characterised in that the fixed part has a projecting arms from footpath on the outside of the pipe portion To a free end is extended with, the free end forms an eye-splice, the receiving portion one jack of formation.

15. fan according to claim 9, it is characterised in that the fixed part has a projecting arms from footpath on the outside of the pipe portion To a free end is extended with, the free end forms a spinner, the receiving portion one neck of formation.

16. fan according to claim 9, the wherein fixed part are an external screw thread, the receiving portion is an internal thread.