CN107781226B - Fan and its fan frame structure - Google Patents

Abstract

A fan and its fan frame structure, the fan includes an impeller, a driving device and a fan frame structure. The driving device is used to drive the impeller to rotate, and the fan frame structure is used to accommodate the driving device. The fan frame structure includes a fan frame body, a first frame, a second frame, a base and a plurality of supporting members. The fan frame body has a plurality of first combining parts and a plurality of second combining parts, and the first combining parts and the second combining parts are respectively arranged on the upper end and the lower end of the fan frame body. The first frame is sleeved on the fan frame body and arranged corresponding to the first combining parts, and the second frame is sleeved on the fan frame body and arranged corresponding to the second combining parts. The base is arranged in the fan frame body and adjacent to the second frame. A plurality of supporting members are arranged around the periphery of the base. The material of the fan frame body is different from that of the first frame and the second frame.

Description

Fan and its fan frame structure

technical field

The invention relates to a fan and its fan frame structure, in particular to a fan and its fan frame structure whose fan frame is composed of different materials.

Background technique

Generally, when dissipating heat in electronic devices and electrical products, fans are often used to take away heat directly or indirectly. In order to pursue better heat dissipation efficiency, fans with high speed are used, but the vibration frequency will also increase accordingly. The vibration generated by the fan running at high speed will be transmitted to the peripheral equipment of the fan. In addition to generating noise, it is also easy to cause damage to the peripheral equipment and reduce the service life of electronic devices and electrical products.

The traditional shock absorption method using the fan frame structure is mostly arranged between the fan and the chassis through the buffer structure, thereby achieving the shock absorption effect. However, as shown in FIG. 1 , the frame structure 7 of the conventional fan F0 is made of a single plastic material, and because the frame body 71 , the first frame 72 and the second frame 73 of the fan frame structure 7 are made of a single material and The resonance bands are consistent. Therefore, when the impeller 8 of the fan F0 rotates at a high speed, the vibration source response of the fan frame structure 7 will be concentrated and amplified, thereby reducing the shock absorption effect of the buffer structure. Therefore, how to use the design of the fan frame structure to avoid the resonance band in the fan application and reduce the vibration source response is one of the important issues in the field.

SUMMARY OF THE INVENTION

In view of the above problems, the purpose of the present invention is to provide a fan with a fan frame composed of different materials and a fan frame structure thereof, so as to disperse the resonance band of the overall structure of the fan frame and reduce the vibration source response, and optimize the vibration performance of the fan, In order to achieve the effect of effective shock absorption of the fan.

To achieve the above objective, a fan frame structure according to the present invention includes a fan frame body, a first frame, a second frame, a base, and a plurality of support members. The fan frame body has a plurality of first joint parts and a plurality of second joint parts, the first joint parts are arranged around the upper end of the fan frame body, and the second joint parts are arranged around the lower end of the fan frame body. The first frame is sleeved on the upper end of the fan frame body and is correspondingly arranged with the first joint part, and a part of the first frame is embedded in the first joint part. The second frame is sleeved on the lower end portion of the fan frame body and is correspondingly arranged with the second joint portion. The base is arranged in the fan frame body and adjacent to the second frame. A plurality of support pieces are arranged around the periphery of the base, and two ends of the support pieces are respectively connected to the base and the inner wall of the frame body. Wherein, the material of the fan frame body is different from that of the first frame and the second frame.

In one embodiment, the material of the fan frame body is metal or alloy, and the material of the first frame, the second frame, the base and the support member is plastic, rubber or any combination thereof.

In one embodiment, the second frame, the base and the support member are integrated into a single member, and the single member is embedded in the second joint portion and fixed to the frame body.

In one embodiment, the supports are vanes or ribs.

In one embodiment, the sash frame body further has a plurality of third joint parts, the third joint parts are arranged around the lower end of the sash frame body and adjacent to the end, and the second joint parts are located in the first joint part. between a joint portion and the third joint portion.

In one embodiment, the base and the support are integrated into a single member, the single member is embedded in the second joint portion and fixed to the inner wall of the frame body, and the second frame is embedded in the third joint part and fixed to the sash frame body.

In one embodiment, the first joint portion, the second joint portion and the third joint portion are respectively an opening structure, a groove structure or a protruding structure.

In one embodiment, the shape of the opening structure is a circular hole shape, a wing-shaped section shape, a rectangular shape, an arc shape, a curved shape or an irregular shape.

In one embodiment, the upper end surface of the base is provided with an opening, and the opening is engaged with a metal bushing.

The invention also provides a fan comprising an impeller, a driving device and a fan frame structure. The driving device is used for driving the impeller to rotate, and the fan frame structure is used for accommodating the driving device. The fan frame structure includes a fan frame body, a first frame, a second frame, a base and a plurality of supporting parts. The fan frame body has a plurality of first joint parts and a plurality of second joint parts, the first joint parts are arranged around the upper end of the fan frame body, and the second joint parts are arranged around the lower end of the fan frame body. The first frame is sleeved on the upper end of the fan frame body and is correspondingly arranged with the first joint part, and a part of the first frame is embedded in the first joint part. The second frame is sleeved on the lower end portion of the fan frame body and is correspondingly arranged with the second joint portion. The base is arranged in the fan frame body and adjacent to the second frame. A plurality of support pieces are arranged around the periphery of the base, and two ends of the support pieces are respectively connected to the base and the inner wall of the frame body. Wherein, the material of the fan frame body is different from that of the first frame and the second frame.

In one embodiment, the material of the fan frame body is metal or alloy, and the material of the first frame, the second frame, the base and the support member is plastic, rubber or any combination thereof.

In one embodiment, the second frame, the base and the support member are integrated into a single member, and the single member is embedded in the second joint portion and fixed to the frame body.

In one embodiment, the supports are vanes or ribs.

In one embodiment, the sash frame body further has a plurality of third joint parts, the third joint parts are arranged around the lower end of the sash frame body and adjacent to the end, and the second joint parts are located in the first joint part. between a joint portion and the third joint portion.

In one embodiment, the base and the support are integrated into a single member, the single member is embedded in the second joint portion and fixed to the inner wall of the frame body, and the second frame is embedded in the third joint part and fixed to the sash frame body.

In one embodiment, the first joint portion, the second joint portion and the third joint portion are respectively an opening structure, a groove structure or a protruding structure.

In one embodiment, the shape of the opening structure is a circular hole shape, a wing-shaped section shape, a rectangular shape, an arc shape, a curved shape or an irregular shape.

In one embodiment, the upper end surface of the base is provided with an opening, and the opening is engaged with a metal bushing.

Continuing from the above, the fan and its frame structure of the present invention are made of a metal material with a higher resonance frequency through the fan frame body as a bridge between the first frame and the second frame, so as to effectively disperse the resonance band of the fan frame structure. ; And then through the combination of the base and the metal bushing of different materials, the direct transmission of the vibration source when the fan is running is blocked, the energy transmitted by the vibration source is reduced, and the effect of effective shock absorption by the fan is achieved.

Description of drawings

FIG. 1 is a schematic perspective view of a conventional fan.

2A is a schematic perspective view of a fan according to an embodiment of the present invention.

FIG. 2B is a perspective cross-sectional view of the fan frame structure shown in FIG. 2A .

FIG. 2C is a schematic perspective view of the fan frame body shown in FIG. 2A .

FIG. 3A is a schematic perspective view of a fan according to an embodiment of the present invention.

FIG. 3B is a perspective cross-sectional view of the fan frame structure shown in FIG. 3A .

FIG. 3C is a schematic perspective view of the fan frame body shown in FIG. 3A .

Description of reference numbers:

1, 3: fan frame structure

11, 31, 71: fan frame body

111, 311: The first joint

112, 312: Second joint

12, 32, 72: The first frame

13, 33, 73: Second frame

14, 34: base

15, 35: Supports

2, 4, 8: Impeller

313: The third joint

B1, B2: Bushing

F0, F1, F2: Fan

Detailed ways

Hereinafter, a structure of a circulating fan according to a preferred embodiment of the present invention will be described with reference to the related drawings, wherein the same elements will be described with the same reference signs.

Please refer to FIGS. 2A , 2B and 2C at the same time. FIG. 2A is a schematic three-dimensional view of a fan according to an embodiment of the present invention, FIG. 2B is a three-dimensional cross-sectional view of the fan frame structure shown in FIG. 2A , and FIG. 2C is shown in FIG. 2A . The three-dimensional schematic diagram of the fan frame body.

The present invention provides a fan frame structure 1 including a fan frame body 11 , a first frame 12 , a second frame 13 , a base 14 and a plurality of support members 15 . The sector frame body 11 has a plurality of first joint portions 111 and a plurality of second joint portions 112 , the first joint portions 111 are arranged around the upper end of the sector frame body 11 , and the second joint portions 112 are arranged around the fan frame body 11 . The lower end of the frame body 11 . The first frame 12 is sleeved on the upper end of the fan frame body 11 and corresponding to the first joint portion 111 , and a part of the first frame 12 is embedded in the first joint portion 111 . The second frame 13 is sleeved on the lower end of the fan frame body 11 and is correspondingly disposed with the second joint portion 112 . The base 14 is disposed in the frame body 11 and adjacent to the second frame 13 . A plurality of support members 15 are arranged around the periphery of the base 14 , and two ends of the support members 15 are respectively connected to the base 14 and the inner wall of the frame body 11 . The material of the fan frame body 11 is different from that of the first frame 12 and the second frame 13 , and the material of the fan frame body 11 is metal or alloy. The first frame 12 , the second frame 13 , the base 14 and the support The material of the piece 15 is plastic, rubber or any combination thereof.

The present invention also provides a fan F1 including an impeller 2 , a driving device (not shown in the drawings) and a fan frame structure 1 . The driving device is used to drive the impeller 2 to rotate, and the frame structure 1 is used to accommodate the driving device. The fan frame structure 1 includes a fan frame body 11 , a first frame 12 , a second frame 13 , a base 14 and a plurality of support members 15 . The sector frame body 11 has a plurality of first joint portions 111 and a plurality of second joint portions 112 , the first joint portions 111 are arranged around the upper end of the sector frame body 11 , and the second joint portions 112 are arranged around the fan frame body 11 . The lower end of the frame body 11 . The first frame 12 is sleeved on the upper end of the fan frame body 11 and corresponding to the first joint portion 111 , and a part of the first frame 12 is embedded in the first joint portion 111 . The second frame 13 is sleeved on the lower end of the fan frame body 11 and is correspondingly disposed with the second joint portion 112 . The base 14 is disposed in the frame body 11 and adjacent to the second frame 13 . A plurality of support members 15 are arranged around the periphery of the base 14 , and two ends of the support members 15 are respectively connected to the base 14 and the inner wall of the frame body 11 . The material of the fan frame body 11 is different from that of the first frame 12 and the second frame 13 , and the material of the fan frame body 11 is metal or alloy. The first frame 12 , the second frame 13 , the base 14 and the support The material of the piece 15 is plastic, rubber or any combination thereof.

The fan F1 and its fan frame structure 1 of the present invention use a metal or alloy material with a higher resonant frequency as the fan frame body 11, and then the fan frame body 11 is disposed on the first frame 12 and the second frame which are made of plastic or rubber. Between 13 and 13, through the combination of different materials of the fan frame structure 1, the resonance band of the overall fan frame structure 1 is dispersed, reducing the energy transmitted by the vibration source, thereby achieving the effect of the fan F effectively damping.

2A, 2B and 2C, in this embodiment, the first joint portion 111 and the second joint portion 112 of the sash body 11 may be, for example but not limited to, the opening structure shown in FIG. 2C , respectively. In addition, according to the design requirements of the fan frame structure 1 , the first joint portion 111 and the second joint portion 112 can be designed as a groove structure or a convex structure. As shown in FIG. 2C , if the first joint portion and the second joint portion are open structures, their shapes may be circular holes, wing-shaped cross-sections, rectangles, arcs, curved shapes or irregular shapes. Wherein, according to the design requirements of the sash structure 1, the first joint portion and the second joint portion can have different shapes, and the first joint portion and the second joint portion can have the same shape or different shapes as a whole. , and the respective first joint portions and the respective second joint portions may present the same shape or different shapes.

As mentioned above, a part of the first frame 12 in the fan frame structure 1 is embedded in the first joint part 111 , and the first frame 12 and the first joint part 111 are clamped to each other, so that the first frame 12 is fixed and sleeved on the upper end of the sash frame body 11 . Similarly, a part of the second frame 13 is embedded in the second joint part 112 , and a part of the second frame 13 and the second joint part 112 are connected to each other. By clamping, the second frame 13 is fixed and sleeved on the lower end of the frame body 11 . Through the design of the first joint portion 111 and the second joint portion 112 , the first frame 12 and the second frame 13 can be more stably fixed to the end of the frame body 11 .

In this embodiment, the fan frame body 11 can be manufactured by means of injection coating, the metal fan frame body 11 is placed in a mold, and then the engineering plastic is heated and directly injection molded, so that the first plastic or rubber material is The frame 12 is fitted into the first joint portion 111 and sleeved on the upper end of the frame body 11 ; similarly, the second frame 13 made of plastic or rubber is fitted into the second joint portion 112 and sleeved on the frame body 11 . the lower end of the . In addition, the second frame 13 , the base 14 and the support member 15 can be further integrated into a single component by means of injection coating, and this single component is embedded in the second joint portion 112 and fixed to the fan frame body 11 . The support member 15 is a stationary blade or a rib.

Please refer to FIG. 3A , FIG. 3B and FIG. 3C at the same time, in this embodiment, the frame body 31 of the fan F2 further has a plurality of third joint parts 313 , and the third joint parts 313 are arranged around the frame body 31 of the fan frame 31 . The lower end portion is adjacent to the end portion, and the second joint portion 312 is located between the first joint portion 311 and the third joint portion 313 . The opening structure of the third joint portion 313 is in the shape of a circular hole, but not limited thereto. Wherein, the third joint portion 313 , the first joint portion 311 and the second joint portion 312 may have the same shape as a whole, at least one different shape, or all different shapes, and the respective third joint portions 313 In between, they can have the same shape or different shapes from each other.

Similarly, the fan frame body 31 can also be manufactured by means of injection coating; the metal fan frame body 31 is placed in a mold, and then the engineering plastic is heated and directly injection-molded to make the first frame 32 made of plastic or rubber. The second frame 33 made of plastic or rubber is fitted into the third joint 313 and is sleeved and fixed on the fan frame body 31 . lower end. In addition, the base 34 and the support member 35 are integrated into a single component by means of injection coating, and the single component is embedded in the second joint portion 312 and fixed to the inner wall of the frame body 31 .

2A, 2B, 3A and 3B, in this embodiment, the upper end surfaces of the bases 14, 34 are provided with an opening (not shown in the drawings), and the opening is engaged with a metal bushing B1, B2. By combining the metal bushings B1 and B2 with the plastic or rubber bases 14 and 34 of different materials, the impellers 2 and 4 and the driving device (not shown in the drawings) of the fans F1 and F2 can be further blocked during operation. The direct transmission of the vibration source during the operation of the fans F1 and F2 reduces the energy transmitted by the vibration source.

To sum up, the fan and its frame structure of the present invention use a metal or alloy material with a higher resonant frequency as the fan frame body, and then the fan frame body is arranged on the first frame and the second frame which are made of plastic or rubber. In between, through the combination of different materials of the fan frame structure, the resonance band of the overall fan frame structure is dispersed, reducing the energy transmitted by the vibration source, thereby achieving the effect of effective shock absorption of the fan; The combination of materials further blocks the direct transmission of the vibration source when the fan is running, reduces the energy transmitted by the vibration source, and thus achieves the effect of effective shock absorption by the fan.

The above descriptions are only exemplary, and are not intended to limit the protection scope of the present invention. Any equivalent modifications or changes without departing from the spirit and scope of the present invention should be included in the scope of the appended claims.

Claims (14)

1. A fan frame structure comprising:

the fan frame body is provided with a plurality of first combining parts and a plurality of second combining parts, the first combining parts are annularly arranged at the upper end part of the fan frame body, and the second combining parts are annularly arranged at the lower end part of the fan frame body;

the first frame is sleeved at the upper end part of the fan frame body and is arranged corresponding to the first combining part, and part of the first frame is embedded in the first combining part;

the second frame is sleeved at the lower end part of the fan frame body and is arranged corresponding to the second combining part;

a base arranged in the fan frame body and adjacent to the second frame; and

the supporting pieces are arranged around the periphery of the base, and two ends of the supporting pieces are respectively connected with the base and the inner wall of the fan frame body;

the second frame, the base and the support piece are integrated into a single component, and the single component is embedded in the second combining part and fixed on the fan frame body.

2. The fan frame structure of claim 1, wherein the fan frame body is made of metal or alloy, and the first frame, the second frame, the base and the supporting member are made of plastic, rubber or any combination thereof.

3. The fan frame structure of claim 1, wherein the support is a vane or a rib.

4. The fan frame structure of claim 1, wherein the fan frame body further has a plurality of third connecting portions, the third connecting portions are disposed around the lower end of the fan frame body and adjacent to the ends, and the second connecting portions are located between the first connecting portions and the third connecting portions.

5. The fan frame structure of claim 4, wherein the first, second and third connecting portions are respectively an opening structure, a groove structure or a protrusion structure.

6. A fan frame structure according to claim 5, wherein the shape of the opening structure is circular hole shape, wing section shape, rectangular shape, arc shape, curved shape or irregular shape.

7. A fan frame structure as claimed in claim 1, wherein the upper end face of the base is provided with an opening which engages with a metal bushing.

8. A fan, comprising:

an impeller;

a driving device for driving the impeller to rotate; and

a fan frame structure is used for accommodating the driving device, and comprises:

the fan frame body is provided with a plurality of first combining parts and a plurality of second combining parts, the first combining parts are annularly arranged at the upper end part of the fan frame body, and the second combining parts are annularly arranged at the lower end part of the fan frame body;

the first frame is sleeved at the upper end part of the fan frame body and is arranged corresponding to the first combining part, and part of the first frame is embedded in the first combining part;

the second frame is sleeved at the lower end part of the fan frame body and is arranged corresponding to the second combining part;

a base arranged in the fan frame body and adjacent to the second frame; and

the supporting pieces are arranged around the periphery of the base, and two ends of the supporting pieces are respectively connected with the base and the inner wall of the fan frame body;

the second frame, the base and the support piece are integrated into a single component, and the single component is embedded in the second combining part and fixed on the fan frame body.

9. The fan as claimed in claim 8, wherein the fan frame body is made of metal or alloy, and the first frame, the second frame, the base and the supporting member are made of plastic, rubber or any combination thereof.

10. The fan of claim 8, wherein the support is a vane or rib.

11. The fan as claimed in claim 8, wherein the fan frame body further has a plurality of third coupling portions, the third coupling portions are disposed around the lower end portion of the fan frame body and adjacent to the ends, and the second coupling portions are located between the first coupling portions and the third coupling portions.

12. The fan as claimed in claim 11, wherein the first, second and third engaging portions are respectively an opening structure, a groove structure or a protrusion structure.

13. The fan as claimed in claim 12, wherein the opening structure has a shape of a circular hole, a wing-shaped cross-sectional shape, a rectangular shape, an arc shape, a curved shape, or an irregular shape.

14. The fan as claimed in claim 8, wherein the upper end surface of the base is provided with an opening, and the opening is engaged with a metal bushing.

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