CN113905599B

CN113905599B - A fan module and fixing bracket

Info

Publication number: CN113905599B
Application number: CN202111487486.2A
Authority: CN
Inventors: 吕恒
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Suzhou Inspur Intelligent Technology Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-03-08
Anticipated expiration: 2041-12-08
Also published as: CN113905599A

Abstract

The invention discloses a fan module and a fixed support, wherein the fixed support comprises a first support for clamping a fan base, and the outer wall of the first support is provided with a first limiting part protruding outwards; the second bracket is provided with a mounting hole so as to be fixed on the inner wall of the case through a fastener and the mounting hole; the overturning bracket is rotatably connected with the second bracket, and a second limiting part pressed on the first limiting part is arranged on the inner side of the overturning bracket; and the torsional spring assembly is used for pushing the overturning bracket to rotate towards the outer wall of the first bracket. Above-mentioned fixed bolster can convenient and fast ground fix the fan, reduces support cost, and more importantly does not influence fan module air inlet and air-out to improve forced air cooling radiating efficiency.

Description

Fan module and fixed bolster

Technical Field

The invention relates to the technical field of air cooling and heat dissipation, in particular to a fixing support. The invention also relates to a fan module with the fixing bracket.

Background

Air-cooled heat dissipation is increasingly applied to various electronic products and electronic devices to provide necessary heat dissipation function, so as to prolong the service life of the devices, especially servers. However, the common air-cooling heat dissipation technology in the market generally adopts a frame structure made of materials such as metal and the like to match rivets and pull nails to coat and fix the fan, so that the fan is inconvenient to disassemble and assemble and high in fixing cost, and the frame structure influences air inlet and air outlet of the fan, so that the air-cooling heat dissipation efficiency is reduced.

Disclosure of Invention

The invention aims to provide a fixing support for fixing a fan, which enables the fan to be conveniently disassembled and assembled, does not influence the air inlet and outlet of the fan, and improves the air cooling and heat dissipation efficiency. Another objective of the present invention is to provide a fan module including the fixing bracket.

To achieve the above object, the present invention provides a fixing bracket comprising:

the first support is used for clamping the fan base, and a first limiting part protruding outwards is arranged on the outer wall of the first support;

the second bracket is provided with a mounting hole so as to be fixed on the inner wall of the case through a fastener and the mounting hole;

the overturning bracket is rotatably connected with the second bracket, and a second limiting part pressed on the first limiting part is arranged on the inner side of the overturning bracket;

and the elastic torsion assembly is used for pushing the overturning bracket to rotate towards the outer wall of the first bracket.

Optionally, the turning support is arranged at two ends of the second support in the length direction, a rotary buckle is fixedly arranged at the top end of the turning support, and a movable clamping groove matched with the rotary buckle is formed in the second support.

Optionally, the elastic torsion assembly comprises a rotating shaft and a torsion spring body sleeved on the rotating shaft, the torsion spring body is provided with a first torsion arm and a second torsion arm, the second support is provided with a rotating shaft hole matched with the rotating shaft and a torsion spring clamping hole matched with the first torsion arm, and the overturning support is provided with a torsion spring clamping groove matched with the second torsion arm.

Optionally, two sides of the second bracket in the width direction are provided with limiting side plates.

Optionally, the first support includes a pair of symmetrical mounting seats, the symmetrical mounting seats are provided with a limiting bottom plate and a limiting vertical plate perpendicular to one end of the limiting bottom plate, and one end of the pair of symmetrical mounting seats, which is far away from the limiting vertical plate, is provided with a connecting buckle and a connecting clamping groove which are matched with each other.

Optionally, the clamping device further comprises a clamping groove support connected with the second support in a sliding manner along the length direction of the second support, a first extruding portion protruding downwards is arranged at the bottom of the first support, the movable clamping groove is arranged at one end, far away from the first support, of the clamping groove support, and a second extruding portion matched with the first extruding portion is arranged at one end, close to the first support, of the clamping groove support; when the first support is arranged between the pair of overturning supports, the first extrusion part extrudes the second extrusion part to push the pair of clamping groove supports to be away from each other, the rotating buckle is separated from the movable clamping groove, and the overturning supports overturn and are pressed to fix the first support.

Optionally, an elastic resetting piece for pushing the end portion of the card slot bracket far away from the second bracket to move is arranged between the card slot bracket and the end portion of the second bracket.

Optionally, a lower convex lifting portion is arranged at the bottom end of the turning support, and when the turning support is turned and buckled on the clamping groove support, the lifting portion rotates to lift the first limiting portion.

Optionally, the bottom of the turning support is provided with a strip-shaped limiting hole, and the turning support further comprises a limiting part which is arranged in the strip-shaped limiting hole and is pressed and fixed on the turning support.

The invention also provides a fan module, which comprises a fan body and the fixing bracket.

Compared with the prior art, the invention aims at the problem that the heat dissipation efficiency is influenced by the fixation of the frame structure of the existing air-cooled heat dissipation fan, and designs the fixing support, the first support is used for clamping and fixing the fan base, the second support and the mounting hole are used for fixing the fan base, meanwhile, the second support is provided with the overturning support, the elastic torsion component is used for driving the overturning support to overturn towards the first support, the second limiting part of the overturning support is pressed on the first limiting part of the first support to realize stable and reliable fixation, the dismounting is convenient and fast, the support cost is reduced, more importantly, the frame structure is abandoned, and the air inlet and the air outlet of the fan cannot be shielded, so that the air-cooled heat dissipation efficiency of the fan is improved. The invention provides a fan module, which applies the fixing bracket and has the same beneficial effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a mounting bracket according to an embodiment of the present invention;

FIG. 2 is a block diagram of a first bracket;

FIG. 3 is a block diagram of the second bracket of FIG. 1;

FIG. 4 is a block diagram of the roll-over stand of FIG. 1;

FIG. 5 is a block diagram of the card slot bracket of FIG. 1;

FIG. 6 is a schematic view of a torsion spring body;

fig. 7 is a perspective view of a fan module according to an embodiment of the invention;

FIG. 8 is a side view of the fan module before the fan body is installed in the mounting bracket or after the mounting bracket is removed;

FIG. 9 is a side view of the fan module during the process of mounting or dismounting the fan body from the fixing bracket;

fig. 10 is a side view of the fan module after the fan body is installed in the fixing bracket or before the fixing bracket is removed.

Wherein:

1-a fan body, 2-a first bracket, 3-a second bracket, 4-a turnover bracket, 5-a clamping groove bracket, 6-a rotating shaft, 7-a torsion spring body, 8-a spring and 9-a positioning pin;

21-a limiting bottom plate, 22-a limiting vertical plate, 23-an installation pin, 24-a first limiting part, 25-a first extrusion part, 26-a connecting buckle and 27-a connecting clamping groove;

31-mounting holes, 32-rotating shaft holes, 33-torsion spring clamping holes, 34-limiting sliding grooves and 35-limiting side plates;

41-a lifting part, 42-a second limiting part, 43-a torsion spring clamping groove, 44-a rotating buckle and 45-a handle;

51-a second extrusion part, 52-a strip-shaped limiting hole and 53-a movable clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiment of the invention provides a fixing bracket which comprises a first bracket 2, a second bracket 3, a turnover bracket 4 and an elastic torsion assembly. Wherein, first support 2 is used for the base of the fixed fan body 1 of dress card, and second support 3 then is installed in the quick-witted incasement wall through mounting hole 31 and fastener pre-installation, and second support 3 cooperation upset support 4 bears fixed first support 2 simultaneously, realizes fixed to first support 2 and fan body 1. The outer wall of the first support 2 is provided with a first limiting part 24, the first limiting part 24 is arranged in a protruding mode relative to the outer wall of the first support 2, the overturning support 4 is rotatably connected to two ends of the second support 3, the overturning support 4 is used for being attached to the outer wall of the first support 2, the side face, attached to the first support 2, of the overturning support 4 is provided with a second limiting part 42 which protrudes outwards, when the overturning support 4 rotates to be attached to the first support 2, the second limiting part 42 of the overturning support 4 is just pressed on the first limiting part 24 on the outer wall of the first support 2, the first support 2 and the fan body 1 are fixed on the second support 3 in a pressing mode, and the arrangement of the elastic torsion component can promote and keep the overturning support 4 in a state of being attached to the first support 2 in a rotating mode, and the fixing reliability of the first support 2 and the fan body 1 is guaranteed.

The structure of first support 2 and the assembly of first support 2 and fan body 1 can refer to fig. 1, fig. 2 and fig. 8, first support 2 is whole to include two parts, also be two symmetrical mount pads that the structure is the same basically, two symmetrical mount pads all include spacing bottom plate 21 and spacing riser 22, spacing bottom plate 21 bears fan body 1, spacing riser 22 locates the one end of spacing bottom plate 21 perpendicularly, the one end that two symmetrical mount pads do not set up spacing riser 22 sets up mutually supporting connection buckle 26 and connection draw-in groove 27 respectively, or set up connection buckle 26 and connection draw-in groove 27 simultaneously, link two symmetrical mount pads into a whole through connection buckle 26 and connection draw-in groove 27, make a pair of spacing riser 22 fixed to the base clamping of fan body 1. Further, in order to improve the reliability of fixing the fan body 1, the inner end surface of the vertical stopper plate 22 is vertically provided with the mounting pin 23, and the mounting pin 23 is inserted into the pin hole of the base of the fan body 1, thereby improving the reliability of fixing. It can be understood that the position-limiting vertical plate 22 can be further provided with a pin hole, and the base of the fan body 1 is fixed relative to the position-limiting vertical plate 22 through the pin hole and a fastener or a positioning piece. The first position-limiting portion 24 is a rib or a protrusion disposed on the outer wall of the vertical position-limiting plate 22.

In an embodiment, referring to fig. 1, fig. 3 and fig. 4, the second bracket 3 is used to be fixed on the inner wall of the chassis, and is also used to carry the first bracket 2 and cooperate with the flip bracket 4 to fix the first bracket 2. Specifically, upset support 4 sets up at second support 3 length direction's both ends, and the bottom of upset support 4 and the corresponding position of second support 3 all set up pivot hole 32, and the two rotates through pivot 6 to be connected, and the wall of the first support 2 of laminating of upset support 4 is equipped with the spacing portion 42 of second, and the spacing portion 42 of second then adopts protruding muscle. The elastic torsion component comprises a torsion spring body 7 sleeved on the rotating shaft 6, and the torsion spring body 7 can be arranged by referring to fig. 6. In this embodiment, the torsion spring body 7 has adopted two reverse settings, and a set of torsion arm links firmly integrative torsional spring, and the both ends of torsion spring body 7 are first torsion arm, and torsion spring body 7 central authorities are for linking firmly integrative second torsion arm, are equipped with on the second support 3 with two first torsion arm complex two sets of torsional spring card holes 33, the top of upset support 4 then sets up the torsional spring draw-in groove 43 of spacing second torsion arm, under the effect of torsion spring body 7 moment of torsion, the central point that upset support 4 was towards second support 3 is rotatory. When the fan body 1 needs to be installed, the pair of turning supports 4 is turned outwards towards two ends of the second support 3, then the first support 2 fixed with the fan body 1 is installed on the second support 3, the turning supports 4 are loosened, the turning supports 4 are turned inwards under the action of the torsion spring body 7 and attached to the first support 2, and the second limiting portion 42 is pressed on the first limiting portion 24 to realize pressing and fixing.

In a further implementation, please refer to fig. 1, 3 and 4, the two ends of the second bracket 3 are provided with movable locking slots 53, the top end of the turning bracket 4 is provided with a rotating buckle 44, the rotating buckle 44 is essentially a buckle, and is named as the rotating buckle 44 because it can rotate along with the turning bracket 4, and the torsion spring locking slot 43 is formed by the rotating buckle 44 cooperating with the body of the turning bracket 4. Through setting up activity draw-in groove 53 and rotatory buckle 44, be convenient for before first support 2 and fan body 1 of packing into, utilize activity draw-in groove 53 and rotatory buckle 44 cooperation, will overturn support 4 and keep outwards opening state, after first support 2 and fan body 1 of packing into, it can to remove the locking of rotatory buckle 44 and activity draw-in groove 53 again.

Preferably, the movable slots 53 are not fixed to both ends of the second bracket 3, but are provided on the slot bracket 5 that is slidable in the longitudinal direction of the second bracket 3. Two groups of card slot supports 5 are respectively arranged at two ends of the second support 3 in the length direction, the bottom plates at the two ends of the second support 3 in the length direction are respectively provided with a limit sliding groove 34, the card slot supports 5 are accommodated in the limit sliding grooves 34 and can move towards or away from the first support 2, further referring to fig. 5, one end of the card slot support 5 away from the first support 2 is provided with a movable card slot 53 for locking a rotary buckle 44, the second end of the card slot support 5 is provided with a second extrusion part 51 corresponding to the second extrusion part 51, the bottom end of the first support 2 and the top end of the second extrusion part 51 are both provided with inclined planes, the second extrusion part 51 is arranged at the inner side of the bottom of the turning support 4, so that when the first support 2 and the fan body 1 are arranged between the pair of turning supports 4, the first extrusion parts 25 at the bottom of the two ends of the first support 2 respectively extrude the second extrusion parts 51 of the pair of supports 5, the clamping groove support 5 and the movable clamping groove 53 are far away from the first support 2 to move, the rotary buckle 44 of the turnover support 4 automatically releases locking, and the turnover support 4 overturns and presses and fixes the first support 2 and the fan body 1 under the action of the torsion spring body 7.

As a preferred embodiment, an elastic restoring member is disposed between the end portions of the card slot bracket 5 and the second bracket 3, and the elastic restoring member is used for pushing the card slot bracket 5 to move towards the first bracket 2/the flip bracket 4, so as to maintain the locking state of the movable card slot 53 of the card slot bracket 5 and the rotating buckle 44 of the flip bracket 4. Meanwhile, the elastic reset piece pushes the movable clamping groove 53 to move towards the middle of the second bracket 3, so that the first bracket 2 can be clamped and fixed to a certain extent by utilizing the side surfaces of the pair of second extrusion parts 51. Particularly, elasticity resets and adopts spring 8, all is equipped with locating pin 9 between the tip of draw-in groove support 5 and second support 3, and the dress card location is realized through locating pin 9 at spring 8's both ends.

As shown in fig. 5, in order to avoid the slipping of the card slot bracket 5 from the limiting sliding groove 34, the card slot bracket 5 is further provided with a strip-shaped limiting hole 52, the length direction of the strip-shaped limiting hole 52 coincides with the movement direction of the card slot bracket 5, the card slot bracket 5 is pressed and limited by fasteners such as blind rivets or limiting pieces matching with the strip-shaped limiting hole 52, and the card slot bracket 5 is prevented from being lifted up and separated from the limiting sliding groove 34.

Referring to fig. 1, 3 and 9, in a preferred embodiment provided in the present application, a bottom end of the turning bracket 4 is further provided with a lifting portion 41 protruding downward, an extending direction of the lifting portion 41 coincides with an overall extending direction of the turning bracket 4, when the first bracket 2 and the fan body 1 are removed, the turning bracket 4 is only rotated, and the lifting portion 41 at the bottom of the turning bracket 4 contacts the first limiting portion 24 protruding outward from the first bracket 2 in a turning manner, so as to lift and unlock the first bracket 2. The handle 45 may be disposed on the top of the turning bracket 4 to rotate the turning bracket 4, and the handle 45 may be disposed on both sides of the rotating buckle 44, which is not limited herein.

The second bracket 3 can be arranged into an integral structure, and can also be arranged into a split structure with two flag types as shown in fig. 3, the two split structures are arranged in a 180-degree rotational symmetry manner, end plates are arranged at two ends of the second bracket 3 in the length direction, the positioning pin 9 is arranged at the inner sides of the end plates, the two sides of the second bracket 3 in the width direction can also be provided with limiting side plates 35 as required, and the limiting side plates 35 are utilized to limit the width direction of the first bracket 2. When it is conceivable, the structures of the first limiting portion 24 and the second limiting portion 42 may be further improved, and the second limiting portion 42 limits the first limiting portion 24 in the left-right direction while the second limiting portion 42 presses the first limiting portion 24. Illustratively, the first position-limiting portion 24 is configured as a projection, and the second position-limiting portion 42 is configured as an inverted U-shaped rib that is matched with the projection, and the projection is pressed by the inverted U-shaped rib, and the left and right position-limiting functions are simultaneously performed.

The application also provides a fan module, which comprises a fan body 1 and the fixing bracket described in the embodiment. The end of the base of the fan body 1 is provided with a pin hole matched with the mounting pin 23. Of course, the end of the base of the fan body 1 may also be provided with the mounting pin 23, and at this time, only the pin hole needs to be formed at the position corresponding to the vertical limiting plate 22 of the first bracket 2.

The process of installing the fan body 1 into the fixed bracket is shown in the sequence of fig. 8-9-10, the second bracket 3 is installed on the inner wall of the chassis, the turning bracket 4 is attached to the bottom plate of the second bracket 3, the rotating buckle 44 is locked with the movable clamping groove 53, and the turning bracket 4 is locked; the first support 2 and the fan body 1 are assembled, the first support 2 is pressed into a space between the pair of turnover supports 4, the first extrusion part 25 at the bottom end of the first support 2 acts on the second extrusion part 51 of the clamping groove support 5, the pair of clamping groove supports 5 all slide towards the end part of the second support 3, the pair of turnover supports 4 are unlocked at the same time, the turnover supports 4 rotate to be attached to the first support 2, the first limiting part 24 is pressed and fixed by the second limiting part 42 to fix the first support 2 and the fan body 1, and a fixed three-dimensional view is shown in fig. 7.

As shown in the sequence of fig. 10-9-8, the fan body 1 is removed from the fixing bracket, the turning bracket 4 is rotated outwards by the force applied from the handle 45, the lifting portion 41 rotates synchronously and acts on the first limiting portion 24 of the first bracket 2, and the first bracket 2 and the fan body 1 are removed from between the second bracket 3 and the pair of turning brackets 4. Then draw the draw-in groove support 5 to second support 3 both ends pulling respectively, overturn the support 4 and loosen draw-in groove support 5 after the position is arrived in the rotation, under the effect of spring 8, draw-in groove support 5 resets to the central authorities of second support 3, and movable draw-in groove 53 of draw-in groove support 5 locks with the rotatory buckle 44 lock of upset support 4 again to press fitting fan body 1 next time.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The fan module and the fixing bracket provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. a fixed bracket, is characterized in that, comprises:

a first bracket, used to mount the fan base, and the outer wall of the first bracket is provided with a first limiting part arranged outwardly;

a second bracket, the second bracket is provided with a mounting hole to be fixed on the inner wall of the chassis through a fastener and the mounting hole;

a flip bracket, the flip bracket is rotatably connected to the second bracket, and the inner side of the flip bracket is provided with a second limit portion that presses against the first limit portion;

an elastic torsion component for pushing the flip bracket to rotate toward the outer wall of the first bracket;

The first bracket includes a pair of symmetrical mounting seats, each of the symmetrical mounting seats is provided with a limiting bottom plate and a limiting vertical plate arranged perpendicular to one end of the limiting bottom plate, and the pair of symmetrical mounting seats are far away from the limiting plate. One end of the vertical plate is respectively provided with a connection buckle and a connection slot which cooperate with each other.

2 . The fixing bracket according to claim 1 , wherein the turning bracket is arranged at both ends of the second bracket in the length direction, the top end of the turning bracket is fixed with a rotating buckle, and the second bracket is 2 . The bracket is provided with a movable card slot matched with the rotating buckle.

3 . The fixing bracket according to claim 2 , wherein the elastic torsion assembly comprises a rotating shaft and a torsion spring body sleeved on the rotating shaft, and the torsion spring body is provided with a first torsion arm and a second torsion arm. 4 . , the second bracket is provided with a rotating shaft hole matched with the rotating shaft and a torsion spring clip hole matched with the first torsion arm, and the flip bracket is provided with a torsion spring clip slot matched with the second torsion arm .

4 . The fixing bracket according to claim 2 , wherein limit side plates are provided on both sides of the second bracket in the width direction. 5 .

5. The fixing bracket according to any one of claims 2-4, further comprising a slot bracket slidably connected to the second bracket along the length direction of the second bracket, and the first bracket The bottom is provided with a downwardly convex first pressing part, the end of the card slot bracket away from the first bracket is provided with the movable card slot, and the end of the card slot bracket that fits the first bracket is arranged with the a second extruding part in which the first extruding parts cooperate with each other; so that when the first bracket is installed between a pair of the flipping brackets, the first extruding part presses the second extruding part, Pushing a pair of the card slot brackets away from each other, the rotating buckle is disengaged from the movable card slot, and the flip bracket is flipped and pressed to fix the first bracket.

6 . The fixing bracket according to claim 5 , wherein an end portion that pushes the card slot bracket to move away from the second bracket is provided between the card slot bracket and the end of the second bracket. 7 . elastic reset.

7 . The fixing bracket according to claim 5 , wherein the bottom end of the overturning bracket is provided with a downwardly convex lifting portion, and when the overturning bracket is overturned and fastened to the slot bracket, the lifting portion The first limiting portion is rotated and lifted.

8 . The fixing bracket according to claim 5 , wherein the bottom of the flipping bracket is provided with a bar-shaped limiting hole, and further comprising a fixing bracket arranged in the bar-shaped limiting hole and pressing the flipping bracket. 9 . Limits.

9. A fan module, comprising a fan body and the fixing bracket according to any one of claims 1-8.