CN210068541U

CN210068541U - Fan frame and fan with same

Info

Publication number: CN210068541U
Application number: CN201920822688.XU
Authority: CN
Inventors: 刘振洋
Original assignee: Guangdong Hongqin Communication Technology Co Ltd
Current assignee: Guangdong Hongqin Communication Technology Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-14
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a fan board and have fan of this fan board, fan include fan main part and fan board, and the fan main part is installed on the fan board. The fan frame comprises a fan base, an upper cover and locking lugs, a containing cavity for containing a fan main body is formed between the upper cover and the fan base, the locking lugs are distributed along the circumferential direction of the fan base and protrude out of the fan base, the locking lugs are detachably clamped on the fan base, the upper cover is abutted to the locking lugs and is arranged on the fan base, the locking lugs are penetrated through connection holes, and a third-party connecting piece penetrates through the connection holes to connect the fan to an external object. Compared with the prior art, the utility model discloses fan board and have fan of this fan board prevents that the upper cover is unexpected to deviate from fan base and prevent that whole fan board from deviating from along the direction of keeping out, because the lock lug is independent and can dismantle, the fixed operating mode of lock lug is convenient, in case the lock lug damages, can directly change the lock lug, reaches fan base and the purpose that the upper cover can reuse.

Description

Fan frame and fan with same

Technical Field

The utility model relates to a heat dissipation equipment field especially relates to a fan board and have fan of this fan board.

Background

With the development of the electronic industry, the transistor density of various electronic components is increasing, and the data processing speed is also increasing, however, the electronic components generate heat during operation, and the power consumption and the heat generation thereof are also increasing along with the increase of the operation speed, so that the heat generated by the electronic components must be dissipated to the outside in time by using a heat dissipation device to reduce the temperature of the electronic components so as to maintain the normal and stable operation thereof.

As is well known, a fan is one of the main accessories in a heat dissipation device, and a conventional fan generally includes a fan housing and a fan body pivotally connected to the fan housing, and the electronic component is cooled by air blown from the fan body.

The conventional fan case generally includes a fan base, an upper cover fixedly connected to the fan base, and a locking lug for fixing the fan case to the outside. At present, the fixing mode of the lock lug includes the following modes:

1. the locking lug is fixed on the fan base or the upper cover by adopting a screw;

2. the lock lug and the fan base or the upper cover are integrated into a whole;

the above two methods have respective drawbacks: the first fixing mode is complicated in operation and high in labor cost; the second method is that if one of the fan cases is damaged, the whole fan case is scrapped, and the fan case has the defect of being incapable of being recycled; secondly, the lock lug and the upper cover or the fan base are of an integral structure; the manufacturing costs are also greatly increased if the locking lug of the one-piece construction is replaced by a stronger material in order to make it stronger.

The fan and the fan frame thereof which are convenient to fix and operate, low in manufacturing cost and high in repeated utilization rate do not exist in the market.

Therefore, there is a need for a fan and a fan case thereof, which are convenient to fix and operate, low in manufacturing cost, and high in recycling rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed convenient operation, low in manufacturing cost, the fan casing that reuse rate is high.

Another object of the present invention is to provide a fan with convenient fixing operation, low manufacturing cost and high recycling rate.

In order to achieve the purpose, the utility model discloses a fan board includes fan base, upper cover and lock ear, the lock ear is at least two and follows fan base's circumference distributes, the lock ear be the detachable block in on the fan base, lock ear protrusion in fan base, the lock ear runs through and has seted up the connecting hole, the lock ear still will the upper cover is supported the gland and is located on the fan base, the upper cover with form between the fan base and accept the chamber of accepting the fan main part.

Preferably, the locking lug comprises a connecting part, the connecting part is detachably connected with the fan base in a clamping manner, and the connecting part extends out of a pressing part for pressing the upper cover.

Preferably, one of the connecting portion and the fan base is provided with a protruding rib in a protruding manner, and the other of the connecting portion and the fan base is provided with a corresponding slot for the protruding rib to be inserted and clamped.

Preferably, the connection hole is opened on the connection part in a penetrating manner.

Preferably, the slot penetrates through the top of the side wall of the fan base to form an upward opening.

Preferably, the lock lug is of a bent structure.

Preferably, the outer edge of the pressing portion is of an arc transition structure, and the side face of the connecting portion is of an arc surface structure.

Preferably, the fan base includes a fan frame and a lower cover, the lower cover and the upper cover are respectively and correspondingly disposed on opposite sides of the fan frame, the lower cover is provided with a bayonet, the fan frame is convexly provided with a hook corresponding to the bayonet, and the lower cover is fixedly connected with the fan frame by the hook being inserted into the bayonet.

Preferably, the fan frame is detachably connected with the upper cover, the fan frame is extended with a first fixing lug in a laterally outward protruding manner, the upper cover is extended with a second fixing lug aligned with the first fixing lug in a laterally outward protruding manner, the first fixing lug and the second fixing lug are provided with fixing holes aligned with each other, and the first fixing lug and the second fixing lug are connected by penetrating through the fixing holes through a connecting piece, so that the first fixing lug and the second fixing lug are detachably connected.

In order to achieve the above object, the fan of the present invention comprises a fan body and the fan case, wherein the fan body is installed in the accommodating cavity of the fan case.

Compared with the prior art, the fan frame of the utility model is protruded out of the fan base by the lock lug which is provided with the connecting hole in a penetrating way, so that the fan frame of the utility model is fixedly arranged on an external object by the lock lug protruded out of the fan base and the connecting hole; the lock lug is detachably clamped on the fan base, so that the fixed connection mode of the lock lug and the fan base is more convenient; secondly, at least two locking lugs are arranged along the circumferential direction of the fan base, so that when the fan frame is fixed on an external object, the fan frame can be prevented from sliding off along the lateral direction; the upper cover is also arranged on the fan base in a pressing way by virtue of the lock lug, so that when the fan frame of the utility model is fixed on an external object, the upper cover can be prevented from being accidentally separated from the fan base; meanwhile, the whole fan frame can be prevented from being separated from being fixed with an external object along the resisting direction. Because the lock lugs are independently arranged, the defect that the lock lugs cannot be reused in the traditional fixing mode is overcome. Once the lock lug is damaged, the lock lug can be directly replaced, and the aim of recycling the fan base and the upper cover is fulfilled. Secondly, increase the thickness of lock ear and change the material of lock ear into more durable material, upper cover or fan base can not receive the influence, can reduction in production cost. Therefore, the fan frame of the utility model has the advantages of convenient fixing operation, low manufacturing cost and high repeated utilization rate. Of course, the fan with the fan frame also has the advantages of convenience in fixing operation, low manufacturing cost and high repeated utilization rate.

Drawings

Fig. 1 is a schematic perspective view of a fan case according to a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of another angle of the fan case according to the first embodiment of the present invention.

Fig. 3 is an exploded perspective view of a fan case according to a first embodiment of the present invention.

Fig. 4 is a schematic perspective view of a locking lug of a fan case according to a first embodiment of the present invention.

Fig. 5 is a front view of a fan case according to a second embodiment of the present invention.

Fig. 6 is a schematic perspective view of a fan case according to a second embodiment of the present invention.

Fig. 7 is an exploded perspective view of a fan case according to a second embodiment of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings. The utility model discloses a fan includes fan main part (not shown in the figure) and fan board, the utility model provides a two kinds of fan boards, it is fan board 100a and fan board 100b respectively, and the fan main part is installed in the intracavity of acceping of fan board 100a, and the same fan main part is also installed in the intracavity 5 of acceping of fan board 100 b. The well-known fan main part constitutes for the blade subassembly that provides wind-force through the rotation of blade, the utility model discloses a fan main part adopt among the prior art fan main part can, therefore do not give unnecessary details here. The fan case 100a of the present invention will be described in further detail with reference to fig. 1 to 4, and the fan case 100b of the present invention will be described in further detail with reference to fig. 5 to 7.

Please refer to fig. 1 to 4, which illustrate a fan case 100a according to a first embodiment of the present invention, which includes a fan base 1, an upper cover 2 and a locking lug 3, wherein the locking lug 3 is detachably engaged with the fan base 1, so that the locking lug 3 is replaceable, and therefore, the recycling rate of the fan base 1, the upper cover 2 and the locking lug 3 is high, and the engagement connection makes the connection between the locking lug 3 and the fan base 1 and the upper cover 2 more convenient. The block is connected on fan base 1 lock ear 3 still supports upper cover 2 to press the lid to locate fan base 1 on, so lock ear 3 has still strengthened the stability that upper cover 2 and fan base 1 are connected, secondly, lock ear 3 still avoids fan housing 100 to take off with external object pine along the direction of keeping out of lock ear 3, so strengthened fan housing 100a and external object fixed connection's stability. An accommodating cavity 5 for accommodating the fan main body is formed between the upper cover 2 and the fan base 1, so that the fan frame 100a and the fan with the built-in fan main body form an integral structure, the lock lugs 3 are distributed along the circumferential direction of the fan base 1, the lock lugs 3 protrude out of the fan base 1, the lock lugs 3 are provided with connecting holes 33 in a penetrating way, and particularly, the fan can be connected to an external object through third-party connecting pieces, such as screws, bolts and the like, penetrating through the connecting holes 33; therefore, the fan of the present invention can be fixedly connected to the external object by means of the locking lug 3 protruding from the fan base 1 and the connecting hole 33, and the locking lug 3 is fixed, so that the pressing of the locking lug 3 on the upper cover 2 is firmer and more reliable, and the stability and firmness of the fan rack 100a structure of the present invention are further ensured; specifically, the three lock lugs 3 of the utility model are uniformly distributed along the circumferential direction of the fan base 1, and more specifically, the connecting lines of the three lock lugs 3 form an isosceles triangle structure; it is understood that the number of the locking lugs 3 may be two, four or five, and is not limited thereto. More specifically, the following:

referring to fig. 1 to 4, the fan base 1 includes a fan frame 14 and a lower cover 13, and the lower cover 13 and the upper cover 2 are respectively disposed on two opposite sides of the fan frame 14. Specifically, the lower cover 13 is provided with a bayonet 131, the fan frame 14 is provided with a hook 141 protruding corresponding to the bayonet 131, and the lower cover 13 and the fan frame 14 are fixedly connected by the engagement of the hook 141 inserted into the bayonet 131. Of course, in other embodiments, the lower cover 13 has the hook 141, the fan frame 14 has the bayonet 131 matching with the hook 141, and the fan frame 14 and the lower cover 13 can be fixedly connected, but not limited thereto. Specifically, the four bayonets 131 and the four hooks 141 are distributed along the circumferential direction of the fan frame 141 or the lower cover 13, so that the engagement is more stable, and the invention is not limited thereto. It is understood that the number of the hooks 141 and the bayonets 131 may be two, three or five, and is not limited thereto. Of course, the lower cover 13 and the fan frame 14 are of an integral structure according to actual requirements. Preferably, the fan frame 14 is of plastic construction. Of course, in other embodiments, the upper cover 2, the fan frame 14, the lower cover 13 and the locking lug 3 are all made of metal, so the invention is not limited thereto.

Referring to fig. 1 to 4, the locking lug 3 includes a connecting portion 31, the connecting portion 31 is detachably connected to the fan base 1 in a snap-fit manner, and a pressing portion 32 for pressing the upper cover 2 extends from the connecting portion 31. Specifically, the connecting portion 31 is provided with a protruding rib 311 in a protruding manner, and the fan base 1 is correspondingly provided with a slot 11 for the protruding rib 311 to be inserted and engaged. Of course, in other embodiments, the fan base 1 has the rib 311, the connecting portion 31 has the slot 11 engaged with the rib 31, and the connecting portion 31 and the fan base 1 can be detachably engaged and connected by the engagement between the rib 311 and the slot 11, which is not limited to this. The connection hole 33 is opened through the connection portion 31. Specifically, the card slot 11 is disposed on the side wall of the fan base 1, and the connecting portion 31 protrudes in the lateral direction to form a rib 311. Preferably, the slot 11 extends through the top of the sidewall of the fan base 1 to form an upward opening 12. Therefore, when the protruding rib 311 of the lock lug 3 is clamped into the slot 11, the protruding rib 311 can be clamped into the slot 11 only by sliding the lock lug 3 along the slot 11 from the opening 12 all the way down along the vertical direction, so that the effect of convenient operation is realized by means of the opening 12.

Referring to fig. 4, the locking lug 3 is a bent structure, and specifically, the connecting portion 31 and the pressing portion 32 form an L-shaped structure together. Specifically, the extending direction of the pressing portion 32 coincides with the extending direction of the rib 31. Preferably, the outer edge of the pressing portion 32 is a circular arc transition structure 321, and the circular arc structure 321 prevents the operator from being injured during operation. In addition, the side of connecting portion 31 is ARC 34, and this ARC 34 prevents the operating personnel to operate and be injured.

Referring to fig. 3, the fan frame 14 is detachably connected to the upper cover 2, specifically, in the embodiment, the fan frame 14 is connected to the upper cover 2 by a screw, but not limited thereto. More specifically, the fan frame 14 has a first fixing lug 142 protruding outwards along the lateral direction, the upper cover 2 has a second fixing lug 21 protruding outwards along the lateral direction and aligned with the first fixing lug 142, the first fixing lug 142 and the second fixing lug 21 are both provided with fixing holes 1421, 211 aligned with each other, and the first fixing lug 142 and the second fixing lug 21 are connected by a connecting member 4 (as shown in fig. 5 and 6) passing through the fixing holes. Specifically, the fixing holes 1421 and 211 are threaded holes, and the connecting member 4 is a threaded member matching the threaded holes. For example, the connecting member 4 is a screw, a bolt or a bolt, but not limited thereto.

Referring to fig. 5 to 7, a fan case 100b according to a second embodiment of the present invention is shown, which has substantially the same structure as the fan case 100a according to the first embodiment, and the specific differences are as follows:

first, in the present embodiment, the outer contour of the fan case is an irregular contour, and the outer contour of the fan case 100a in the first embodiment is a regular contour, specifically, an arch bridge shape.

Secondly, in this embodiment, the lower cover 14 has a hollow structure 133, so that the cooling effect is better with the help of the hollow structure 133. Whereas the lower cover 14 in the first embodiment has no hollowed-out structure.

Third, in the present embodiment, the pressing portion 32 has an angular structure, and the pressing portion 32 in the first embodiment has an arc transition structure 321.

Fourth, in the present embodiment, the lower cover 13 and the fan frame 14 are an integrated structure. In the first embodiment, the lower cover 13 and the fan frame 14 are fixedly connected by engaging the hooks 141 and the bayonets 131.

Except for the above differences, the fan case 100b of the second embodiment has a structure substantially identical to that of the fan case 100a of the first embodiment, and therefore is not described herein again.

Referring to fig. 1 to 7, the operation principle and the use of the fan cases 100a and 100b of the present invention will be described: the upper cover 2 is in threaded connection with the fan base 1 through the connecting piece 4, the locking lugs 3 are used, the convex ribs 31 of the connecting parts 31 of the locking lugs 3 are mutually clamped with the clamping grooves 11 on the fan base 1, then the fan frames 100a and 100b are fixed on external objects through the connecting holes 33 on the locking lugs 3 and third-party connecting pieces, and meanwhile, the abutting parts 32 of the locking lugs 3 also abut and cover the upper cover 2 on the fan base 1, so that the upper cover 2 and the fan base 1 are prevented from loosening and the fan frames 100a and 100b are prevented from loosening from the abutting direction of the abutting parts 32; the locking lugs 3 are provided on the periphery, so that the fan cases 100a and 100b can be prevented from being laterally released.

As shown in fig. 1-7, the fan of the present invention protrudes from the fan base 1 via the locking lug 3, and the locking lug 3 is provided with a connecting hole 33, so that the fan frames 100a and 100b of the present invention are fixedly mounted on an external object via the locking lug 3 protruding from the fan base 1 and the connecting hole 33; the lock lug 3 is detachably clamped on the fan base 1, so that the fixed connection mode of the lock lug 3 and the fan base 1 is more convenient; secondly, at least two locking lugs 3 are arranged along the circumferential direction of the fan base 1, so that when the fan frames 100a and 100b of the utility model are fixed on an external object, the fan frames 100a and 100b can be prevented from sliding and coming off along the lateral direction; the upper cover 2 is pressed and covered on the fan base 1 by the lock lug 3, so when the fan frames 100a and 100b of the utility model are fixed on external objects, the upper cover 2 can be prevented from being accidentally separated from the fan base 1; at the same time, the whole fan cases 100a, 100b can be prevented from being detached from the fixing with the external object in the resisting direction. Because the lock lug 3 is independently arranged, the defect that the traditional fixing mode cannot be reused is overcome. Once the lock lug 3 is damaged, the lock lug 3 can be directly replaced, and the aim that the fan base 1 and the upper cover 2 can be repeatedly used is fulfilled. Secondly, increase the thickness of lock ear 3 and change the material of lock ear 3 for more durable material, upper cover 2 or fan base 1 can not receive the influence, can reduction in production cost. Therefore, the fan cases 100a and 100b of the present invention have the advantages of convenient fixing operation, low manufacturing cost and high recycling rate. Of course, the fans having the fan cases 100a and 100b also have advantages of convenient fixing operation, low manufacturing cost, and high recycling rate.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. The utility model provides a fan frame, its characterized in that includes fan base, upper cover and lock ear, the lock ear is at least two and follows fan base's circumference distributes, the lock ear be the detachable block in on the fan base, the lock ear protrusion in fan base, the lock ear runs through and has seted up the connecting hole, the lock ear still will the upper cover supports to press the lid to locate on the fan base, the upper cover with form between the fan base and accept the chamber of accepting the fan main part.

2. The fan case according to claim 1, wherein the locking lug comprises a connecting portion, the connecting portion is detachably engaged with the fan base, and the connecting portion extends out of a pressing portion for pressing the upper cover.

3. The fan case according to claim 2, wherein a protruding rib is protruded on one of the connecting portion and the fan base, and a locking groove for the protruding rib to be inserted and locked is correspondingly formed on the other of the connecting portion and the fan base.

4. The fan case according to claim 2, wherein the connection hole is opened through the connection portion.

5. The fan case according to claim 3, wherein the slot is opened upward through a top of the side wall of the fan base.

6. The fan case of claim 2, wherein the locking lugs are of a bent construction.

7. The fan case according to claim 2, wherein the outer edge of the pressing portion is in a circular arc structure, and the side surface of the connecting portion is in a cambered surface structure.

8. The fan case according to claim 1, wherein the fan base includes a fan frame and a lower cover, the lower cover and the upper cover are respectively and correspondingly disposed on opposite sides of the fan frame, the lower cover is provided with a bayonet, the fan frame is convexly provided with a hook corresponding to the bayonet, and the lower cover and the fan frame are fixedly connected by the engagement of the hook inserted into the bayonet.

9. The fan case according to claim 8, wherein the fan frame is detachably connected to the upper cover, the fan frame laterally outwardly protrudes a first fixing lug, the upper cover laterally outwardly protrudes a second fixing lug aligned with the first fixing lug, the first fixing lug and the second fixing lug are provided with fixing holes aligned with each other, and the first fixing lug and the second fixing lug are connected by a connecting member passing through the fixing holes, so that the first fixing lug and the second fixing lug are detachably connected.

10. A fan comprising a fan body and the fan case according to any one of claims 1 to 9, wherein the fan body is mounted in a receiving cavity of the fan case.