CN200989331Y - Frame structure of anti-vibration fan - Google Patents

Abstract

A frame structure of a shockproof fan includes: a frame, a base and an elastic frame. The elastic frame includes a plurality of curved sheet-shaped cantilevers, the cantilever having a first cantilever section, one end of the first cantilever section extending with a bent section in the middle, and one end of the bent section extending with a second cantilever section. The base has a disk body, and the disk body has a plurality of ribs extending outwards to be connected with the first cantilever section, and the second cantilever section is connected to the frame body of the frame, so that the plurality of cantilevers form an elastic frame with elasticity. Finally, after the base is pivotally connected to the fan blades, when the fan blades rotate, the elastic frame can effectively offset the vibration force generated by the rotation of the fan blades, thereby reducing noise and increasing the service life of the fan blades.

Description

Frame structure of anti-vibration fan

technical field

The utility model designs a fan, especially a frame structure of an anti-shock fan.

Background technique

At present, as the computing speed of the electronic components on the computer motherboard, such as the microprocessor, continues to increase, the temperature generated by the electronic components during operation is also relatively high. Ensure the normal operation and service life of electronic components.

In the heat dissipation device, the heat dissipation fan is one of the indispensable components. It can quickly dissipate the heat source absorbed by the heat dissipation fin group, so that the heat dissipation circulation effect is good. When the heat dissipation fan is installed on the heat dissipation fin set or the case for heat dissipation, the vibration force generated by the rotation of the fan will be transmitted to the heat dissipation fin set or the case, so that the heat dissipation fin set or the case will also vibrate. The connection structure between the parts and components of the heat sink is loosened and the noise is generated due to impact.

In order to solve the vibration force generated when the fan rotates, anti-shock fan structures have been developed, such as the announcement No. 563849 and the certificate No. 1251138 of the national patent bulletin. The former is provided with a positioning ring groove on the fan housing. A buffer washer is arranged on the positioning ring groove, and then the fan casing equipped with the buffer washer is assembled on the clamping part of the base plate, and the shock force generated by the rotation of the fan wheel will be absorbed by the buffer washer. And the latter is that a shock absorbing assembly and a shock absorbing seat are arranged between the fan and the cover seat of the cooling fin group. the resulting vibration.

Because the anti-shock structures proposed by the former and the latter can effectively absorb the shock force generated when the blades of the fan rotate. However, these anti-seismic structures all need to be additionally added, thus causing the complexity of the structure.

Contents of the invention

Therefore, in view of the complexity of the traditional anti-shock fan structure, the utility model proposes an elastic frame combining the anti-shock structure and the frame of the fan, so that the overall structure is simple, and no additional anti-shock structure is required. The structure can produce reciprocating swing with the rotation of the fan blade, which can effectively offset the vibration generated by the rotation of the fan blade, so as to reduce the vibration force and noise of the fan blade, thereby improving the service life of the fan blade.

In order to achieve the above-mentioned purpose, the frame structure of the anti-shock fan of the present utility model includes:

A base has a disc body on it, and a plurality of convex ribs extend outward on the disc body.

A frame has a hollow frame body.

An elastic frame is composed of a plurality of curved-arc sheet-shaped cantilevers. The cantilever has a first cantilever section. The first cantilever section extends with a bent section in the middle section. The bent section The segment extends with a second cantilever segment.

Wherein, one end of the first cantilever section of the multiple cantilevers is connected to the convex rib, and the second cantilever section is connected to the frame body of the frame, so that the multiple cantilevers form an elastic elastic frame that can carry the rotation of the coil group and the fan.

The utility model also provides a frame structure of an anti-vibration fan, which is a frame structure used to carry the coil group and the operation of the fan blades. It is characterized in that it includes:

A frame has a hollow frame body, and the frame body has a plurality of embedded grooves;

A base is provided with a disc body, the disc body has a plurality of protruding ribs extending outward, and a slot is provided in the protruding rib;

An elastic frame is composed of a plurality of bent cantilevers at the middle sections, one end of the cantilever is inserted into the slot, and the other end is assembled with the slot.

The utility model also provides a frame structure of an anti-vibration fan, which is a frame structure used to carry the coil group and the operation of the fan blades. It is characterized in that it includes:

A frame with a hollow frame on it;

An elastic frame is arranged on the frame body, on which there is a ring body, a chassis is arranged at the center of the ring body, and a plurality of bent cantilevers at the middle sections are connected between the chassis and the ring body;

A base is configured on the chassis.

The utility model also provides a frame structure of an anti-vibration fan, which is a frame structure used to carry the coil group and the operation of the fan blades. It is characterized in that it includes:

A frame has a hollow frame body with a plurality of protruding ribs and a slot on the protruding ribs;

A base is provided with a disc body, the disc body has a plurality of protruding ribs extending outward, and a slot is formed in the protruding rib; and,

An elastic frame is composed of a plurality of bent cantilevers at the middle sections, one end of the cantilever is inserted into the slot of the frame, and the other end is assembled with the slot of the disc body. The utility model has the advantages: the overall structure is simple, and there is no need to add an anti-shock structure design, the elastic frame structure can produce reciprocating swings with the rotation of the fan blades, which can effectively offset the vibration generated by the rotation of the fan blades, so as to reduce the vibration of the fan blades. Reduce the vibration force and noise of the blades, thereby increasing the service life of the fan blades.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the appearance of the first anti-vibration fan structure of the present invention;

Fig. 2 is a schematic top view of the application example of the anti-vibration fan in Fig. 1;

Fig. 3 is a schematic side view of the application example of the anti-vibration fan in Fig. 1;

Fig. 4 is a three-dimensional schematic diagram of the appearance of the second anti-vibration fan structure of the present invention;

Fig. 5 is a three-dimensional schematic diagram of the appearance of the structure of the third anti-vibration fan of the present invention;

Fig. 6 is a three-dimensional schematic diagram of the appearance of the structure of the fourth anti-shock fan of the present invention;

Fig. 7 is a schematic diagram of an application example of the anti-vibration fan of Fig. 6;

Fig. 8 is a three-dimensional schematic diagram of the appearance of the fifth anti-vibration fan structure of the present invention;

FIG. 9 is a schematic diagram of an application example of the anti-vibration fan shown in FIG. 8 .

Explanation of reference signs: frame 1, 5, 8; frame body 11, 51, 81; base 2, 7, 9; disc body 21, 91; Groove 23, 83, 93; cantilever 31, 63, 101; fan blade 4; cap body 41; blade 42; engagement hole 52; ring body 61; perforation 611; locking piece 612; segment 311 , 631 , 1011 ; bent segment 312 , 312 a , 632 , 1012 ; second cantilever segment 313 , 633 , 1013 .

Detailed ways

Relevant technical contents and detailed description of the present utility model are described as follows now in conjunction with drawings.

Please refer to FIG. 1 , which is a three-dimensional schematic diagram of the appearance of the structure of the first anti-vibration fan of the present invention. As shown in the figure: In this figure, the shockproof fan structure disclosed includes: a frame 1 , a base 2 and an elastic frame 3 . The above-mentioned elastic frame 3 is stamped into a plurality of curved arc sheet-shaped cantilevers 31 by metal material, and has a first cantilever section 311 on the formed cantilever 31, and the first cantilever section 311 extends with a middle section that is S-shaped. The bending section 312 is bent. The bending section 312 extends with a second cantilever section 313 . The width from the first cantilever section 311 to the second cantilever section 313 gradually increases from narrow to wide.

After the above cantilever 31 is stamped and bent, a plurality of cantilever 31 is put into a mold (not shown in the figure) and injected with plastic together to form the cantilever 31 to connect with the frame 1 and the base 2 of the fan. After the injection molding, the base 2 has a disc body 21, and the disc body 21 has a plurality of convex ribs 22 extending outward, and the convex ribs 22 cover the first cantilever arm 31 during injection molding. section 311 at one end, and the outer wall surface of the frame body 11 of the injection molded frame 1 is connected to the second cantilever section 313 of the cantilever 31 (or directly embeds the second cantilever section 313 in the frame body 11), so that multiple The cantilever 31 forms an elastic frame 3 with elasticity.

Please refer to Fig. 2 and Fig. 3, which are schematic diagrams of the top view and the side view of the application example of the anti-vibration fan in Fig. 1. As shown in the figure: in this drawing, the fan blade 4 is arranged on the disc body 21 of the base 2, and the fan blade 4 has a cap body 41, and a plurality of blades 42 are extended on the cap body 41, A magnetic assembly (not shown) and a coil group (not shown) are disposed between the inside of the cap body 41 and the disk body 21. After the coil group is energized, when the fan blade 4 is rotated, the first arm of the cantilever 31 The bending section 312 from the cantilever section 311 to the middle section can reciprocate with the rotation of the fan blade 4, which can effectively offset the vibration generated by the rotation of the fan blade 4, so as to reduce the vibration force and noise of the fan blade 4, and improve the fan performance. service life.

Please refer to FIG. 4 , which is a three-dimensional schematic diagram of the appearance of the second anti-shock fan structure of the present invention. As shown in the figure: In this figure, the disclosed fan structure includes: a frame 1 , a base 2 and an elastic frame 3 .

The frame 1 mentioned above has a hollow frame body 11 with a plurality of slots 12 on the outer wall surface of the frame body 11 or inside the frame body 11 .

The base 2 has a disc body 21 with a plurality of protruding ribs 22 extending outward, and a slot 23 inside the protruding rib 22 .

The elastic frame 3 is composed of a plurality of curved-arc sheet-shaped cantilevers 31. The cantilever 31 has a first cantilever section 311 inserted into the slot 23. The first cantilever section 311 extends with a The middle section is an S-shaped bent section 312, and the bent section 312 extends a second cantilever section 313 embedded in the socket 12, and the width from the first cantilever section 311 to the second cantilever section 313 is given by Narrow and wide.

When the above-mentioned frame 1, base 2 and elastic frame 3 are assembled, the first cantilever sections 311 of the plurality of cantilever arms 31 can be plugged into the slots 23 of the ribs 22, and then the second cantilever sections 31 of the cantilever arms 31 The cantilever section 313 is embedded in the slot 12 of the frame 1 , and the assembled plurality of cantilever arms 31 form an elastic frame 3 .

A fan blade 4 is assembled on the disc body 21 of the above-mentioned base 2. When the fan is powered on, the fan blade 4 is rotated so that the bending section 312 from the first cantilever section 311 to the middle section can rotate with the fan blade 4. The reciprocating swing can effectively offset the vibration generated when the fan blade 4 rotates, so as to reduce the vibration force and noise of the fan blade 4 and improve the service life of the fan.

Please refer to FIG. 5 , which is a three-dimensional schematic diagram of the appearance of the structure of the third anti-vibration fan of the present invention. As shown in the figure: the structure of the anti-shock fan disclosed in this figure is roughly the same as that in FIGS. 1 to 4 , the difference lies in the bending section. In this figure, the bending section 312a at the middle section of the cantilever 31 is any one of a C shape or an L shape, so that the number of the first cantilever section 311 and the disc body 21 of a plurality of curved arc sheet-shaped cantilever 31 The protruding ribs 22 are assembled, and the second cantilever section 313 of the cantilever 31 is assembled with the outer wall of the frame body 11 , so that the plurality of cantilever arms 31 form an elastic frame 3 with elasticity. With the above-mentioned first cantilever section 311 to the bending section 312a at the middle section, reciprocating swing can be generated with the rotation of the fan blade 4, which can effectively offset the vibration generated by the rotation of the fan blade 4, so as to reduce the vibration force of the fan blade 4 and noise, and increase the service life of the fan.

Please refer to FIG. 6 , which is a three-dimensional schematic diagram of the appearance of the structure of the fourth anti-vibration fan of the present invention. As shown in the figure: the anti-vibration fan structure disclosed in this figure includes: a frame 5 , an elastic frame 6 and a base 7 .

The frame 5 mentioned above is made of plastic material, and has a frame body 51 on it, and a plurality of engaging holes 52 on the upper surface of the frame body 51 . In this figure, the engaging hole 52 is a screw hole.

The elastic frame 6 is made of a metal material, and has a ring body 61 on it, and a chassis 62 is arranged at the center of the ring body 61, and a plurality of linear sheet shapes are connected between the chassis 62 and the ring body 61. The cantilever 63, the cantilever 63 has a first cantilever section 631 connected to the ring body 61, one end of the first cantilever section 631 is connected to a bent section with a middle section in an S-shape, C-shape or L-shape 632, one end of the bent section 632 is connected to a second cantilever section 633, and one end of the second cantilever section 633 is connected to the chassis 62; in addition, there are a plurality of perforations 611 on the ring body 61, and the perforations 611 are provided for The locking member 612 passes through and locks with the engaging hole 52 , so that the elastic frame 6 is fixedly connected to the frame 5 . In this figure, the locking member 612 is a screw.

The base 7 is made of plastic material and configured on the chassis 62 for assembling fan blades (not shown in the figure) and coil sets (not shown in the figure).

Please refer to FIG. 7 , which is a schematic diagram of an application example of the anti-vibration fan shown in FIG. 6 . As shown in the figure: when the fan in this drawing is in use, a fan blade 4 is arranged on the chassis 62, and a cap body 41 is provided on the fan blade 4, and a plurality of blades 42 extend from the cap body 41. , and a magnetic component (not shown in the figure) and a coil group (not shown in the figure) are disposed between the inside of the cap body 41 and the base 7 .

After the coil group is energized, the fan blade 4 is rotated, and the bending section 632 at the first cantilever section 631 to the middle section can produce a reciprocating swing with the rotation of the fan blade 4, which can effectively offset the impact generated by the rotation of the fan blade 4. Vibration, to reduce the vibration force and noise of the fan blade 7, and improve the service life of the fan.

Please refer to Fig. 8 and Fig. 9, which are the three-dimensional appearance of the fifth anti-vibration fan structure of the present invention and the schematic diagram of the application example of the anti-vibration fan in Fig. 8 . As shown in the figure: In this figure, the disclosed fan structure includes: a frame 8 , a base 9 and an elastic frame 10 .

The above-mentioned frame 8 is made of plastic material and has a hollow frame body 81. The inner wall of the frame body 81 is provided with a plurality of convex ribs 82, and the convex rib 82 is provided with a slot 83. .

The base 9 is made of plastic material and has a disc body 91 on it. The disc body 91 has a plurality of protruding ribs 92 extending outward, and a slot 93 is formed in the protruding rib 92 .

The elastic frame 10 is composed of a plurality of sheet-shaped cantilevers 101. The cantilever 101 has a first cantilever section 1011 inserted into the slot 93, and the first cantilever section 1011 extends to a middle section. The bent section 1012 is S-shaped, C-shaped or L-shaped, and a second cantilever section 1013 extending from the bent section 1012 is inserted into the slot 83 .

When the above-mentioned frame 8, base 9 and elastic frame 10 are assembled, first the first cantilever segments 1011 of the plurality of cantilever arms 101 can be plugged into the slots 93 of the ribs 92, and then the second cantilever segments 101 of the cantilever arms 101 The cantilever segment 1013 is plugged into the socket 83 of the frame 8 , and the assembled plurality of cantilever arms 101 form an elastic frame 10 .

A fan blade 4 is assembled on the disc body 91 of the above-mentioned base 9. When the fan is powered on, the fan blade 4 is rotated so that the bending section 1012 from the first cantilever section 1011 to the middle section can rotate along with the fan blade 4. The reciprocating swing can effectively offset the vibration generated when the fan blade 4 rotates, so as to reduce the vibration force and noise of the fan blade 4 and improve the service life of the fan.

The above are only preferred embodiments of the present utility model, and are not intended to limit the implementation scope of the present utility model. That is, all equivalent changes and modifications made according to the claims of the utility model are covered by the patent scope of the utility model.

Claims (38)

1, a kind of frame structure of shockproof fan is in order to the frame structure of carrying coil groups and flabellum running, it is characterized in that, includes:

One base has a disk body on it, be outward extended with a plurality of fins;

One framework is to have a hollow framework;

One elastic shelf, the cantilever that is presented kink shape by a plurality of middle sections is formed, and described cantilever one end and described fin are accepted, and the other end and framework are accepted.

2, the frame structure of shockproof fan as claimed in claim 1, it is characterized in that: described cantilever is to be bent arc sheet, has one first cantilever segment on it, one end of described first cantilever segment is connected with a bend section, one end of described bend section is connected with one second cantilever segment, and described second cantilever segment is connected with framework.

3, the frame structure of shockproof fan as claimed in claim 2 is characterized in that: described bend section is a S shape.

4, the frame structure of shockproof fan as claimed in claim 2 is characterized in that: described bend section is a C shape.

5, the frame structure of shockproof fan as claimed in claim 2 is characterized in that: described bend section is L shaped.

6, the frame structure of shockproof fan as claimed in claim 2 is characterized in that: described cantilever is by narrow and gradually wide from the width of first cantilever segment to the second cantilever segment.

7, the frame structure of shockproof fan as claimed in claim 1 is characterized in that: described base is a plastic material.

8, the frame structure of shockproof fan as claimed in claim 1 is characterized in that: described framework is a plastic material.

9, the frame structure of shockproof fan as claimed in claim 1 is characterized in that: described elastic shelf is a metal material.

10, a kind of frame structure of shockproof fan is in order to the frame structure of carrying coil groups and flabellum running, it is characterized in that, includes:

One framework has a hollow framework, has a plurality of caulking grooves on the described framework;

One base is to have a disk body, has outward extending a plurality of fin on the described disk body, has a slot in the described fin;

One elastic shelf, the cantilever that is kink shape by a plurality of middle sections is formed, and described cantilever one end is plugged in the described slot, and the other end and caulking groove winding.

11, the frame structure of shockproof fan as claimed in claim 10 is characterized in that: described caulking groove is to be located on the framework outer wall.

12, the frame structure of shockproof fan as claimed in claim 10 is characterized in that: described caulking groove is to be located at framework inside.

13, the frame structure of shockproof fan as claimed in claim 10, it is characterized in that: described cantilever is to be bent arc sheet, has one first cantilever segment on it, one end of described first cantilever segment is connected with a bend section, one end of described bend section is connected with one second cantilever segment, and an end of described second cantilever segment is connected with framework.

14, the frame structure of shockproof fan as claimed in claim 13 is characterized in that: described bend section is a S shape.

15, the frame structure of shockproof fan as claimed in claim 13 is characterized in that: described bend section is a C shape.

16, the frame structure of shockproof fan as claimed in claim 13 is characterized in that: described bend section is L shaped.

17, the frame structure of shockproof fan as claimed in claim 13 is characterized in that: described cantilever is by narrow and gradually wide from the width of first cantilever segment to the second cantilever segment.

18, the frame structure of shockproof fan as claimed in claim 10 is characterized in that: described base is a plastic material.

19, the frame structure of shockproof fan as claimed in claim 10 is characterized in that: described framework is a plastic material.

20, the frame structure of shockproof fan as claimed in claim 10 is characterized in that: described elastic shelf is a metal material.

21, a kind of frame structure of shockproof fan is in order to the frame structure of carrying coil groups and flabellum running, it is characterized in that, includes:

One framework has a hollow framework on it;

One elastic shelf is to be disposed on the framework, has a ring body on it, and the centre of described ring body is provided with a chassis, is connected with the cantilever that a plurality of middle sections are kink shape between described chassis and ring body;

One base is to be disposed on the described chassis.

22, the frame structure of shockproof fan as claimed in claim 21 is characterized in that: end face has a plurality of conjugate foramens on the described framework, and described conjugate foramen is a screw.

23, the frame structure of shockproof fan as claimed in claim 21, it is characterized in that: described cantilever is to be a straight line sheet, has first cantilever segment that is connected with described ring body on it, one end of described first cantilever segment is connected with the bend section that a middle section is kink shape, one end of described bend section is connected with one second cantilever segment, and an end of described second cantilever segment is connected with the chassis.

24, the frame structure of shockproof fan as claimed in claim 23 is characterized in that: described bend section is a S shape.

25, the frame structure of shockproof fan as claimed in claim 23 is characterized in that: described bend section is a C shape.

26, the frame structure of shockproof fan as claimed in claim 23 is characterized in that: described bend section is L shaped.

27, the frame structure of shockproof fan as claimed in claim 21 is characterized in that: have a plurality of perforation that supply lock firmware to pass on the described ring body.

28, the frame structure of shockproof fan as claimed in claim 21 is characterized in that: described lock firmware is a screw.

29, the frame structure of shockproof fan as claimed in claim 21 is characterized in that: described base is a plastic material.

30, the frame structure of shockproof fan as claimed in claim 21 is characterized in that: described framework is a plastic material.

31, a kind of frame structure of shockproof fan is in order to the frame structure of carrying coil groups and flabellum running, it is characterized in that, includes:

One framework is to have a hollow framework, has a plurality of fins on the described framework, has a slot on the described fin;

One base is to have a disk body, has outward extending a plurality of fin on the described disk body, has a slot in the described fin; And,

One elastic shelf, the cantilever that is kink shape by a plurality of middle sections is formed, and described cantilever one end is plugged in the slot of described framework, and the slot winding of the other end and described disk body.

32, the frame structure of shockproof fan as claimed in claim 31, it is characterized in that: described cantilever is in the form of sheets, has one first cantilever segment on it, one end of described first cantilever segment is connected with a bend section, one end of described bend section is connected with one second cantilever segment, and an end of described second cantilever segment is connected with framework.

33, the frame structure of shockproof fan as claimed in claim 32 is characterized in that: described bend section is a S shape.

34, the frame structure of shockproof fan as claimed in claim 32 is characterized in that: described bend section is a C shape.

35, the frame structure of shockproof fan as claimed in claim 32 is characterized in that: described bend section is L shaped.

36, the frame structure of shockproof fan as claimed in claim 31 is characterized in that: described base is a plastic material.

37, the frame structure of shockproof fan as claimed in claim 31 is characterized in that: described framework is a plastic material.

38, the frame structure of shockproof fan as claimed in claim 31 is characterized in that: described elastic shelf is a metal material.

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