CN107989833B

CN107989833B - Fan fixing assembly

Info

Publication number: CN107989833B
Application number: CN201711415853.1A
Authority: CN
Inventors: 程斌; 阳欢
Original assignee: Zhongke Sugon Information Industry Chengdu Co ltd; Dawning Information Industry Beijing Co Ltd
Current assignee: CHINESE CORPORATION DAWNING INFORMATION INDUSTRY CHENGDU CO., LTD.
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2021-05-04
Anticipated expiration: 2037-12-25
Also published as: CN107989833A

Abstract

The invention provides a fan fixing assembly, which comprises a fan, a first fan frame and a second fan frame, wherein the edges of the first fan frame and the second fan frame are respectively provided with a first fan fixing buckle and a second fan fixing buckle which are used for being mutually fixed with the fan, and a first elastic fixing structure and a second elastic fixing structure which are respectively used for providing pretightening force of the first fan fixing buckle and the second fan fixing buckle; the edge of the other surface of the first fan frame and the second fan frame, which is not opposite to the fan contact surface, is provided with a first fan frame fixing hole and a second fan frame fixing hole for fixing the fan fixing component respectively; the edge of the other surface of the first fan frame, which is not opposite to the fan contact surface, is provided with a fan terminal assembly, and the fan terminal assembly comprises a fan terminal for providing electric connection of the fan and a fan terminal fixing buckle. The invention has simple structure, can realize tool-free installation and flexible combination and has lower cost.

Description

Fan fixing assembly

Technical Field

The invention relates to the technical field of computer hardware equipment, in particular to a fan fixing assembly.

Background

Fans in conventional server hardware are important heat dissipation components in the computer hardware market. Generally, in a 1U chassis, there is a fan fixing structure designed for a fan.

The fan fixing structure of the 1U case is usually fixed by adopting a mode of a sheet metal bin body or a plastic bin body matched with a fan rubber nail. The fan fixing structure is complex in installation, inconvenient to disassemble and high in cost. In addition, the fan fixing structure has single function, cannot be flexibly applied to various plugging modes, can only be singly applied to a non-hot plugging mode of cable connection or a hot plugging mode of an integral module, and cannot be freely combined with a plurality of fan fixing structure single modules, so that the requirements of customers are difficult to meet.

Therefore, it is desirable to design a fan fixing structure of a rack-type 1U server chassis based on a standard 19-inch cabinet, so as to solve the technical problems of the prior art that the fan fixing structure is inconvenient to disassemble and assemble and cannot be flexibly assembled.

Disclosure of Invention

The fan fixing assembly provided by the invention can solve the technical problems that a fan fixing structure in the prior art is inconvenient to disassemble and assemble and cannot be flexibly assembled, aiming at the defects in the prior art.

The embodiment of the invention provides a fan fixing assembly, which comprises a fan, a first fan frame and a second fan frame, wherein the edges of the first fan frame and the second fan frame are respectively provided with a first fan fixing buckle and a second fan fixing buckle which are used for being mutually fixed with the fan, and a first elastic fixing structure and a second elastic fixing structure which are respectively used for providing pretightening force of the first fan fixing buckle and the second fan fixing buckle; the edges of the other surfaces of the first fan frame and the second fan frame, which are opposite to the fan contact surface, are respectively provided with a first fan frame fixing hole and a second fan frame fixing hole for fixing the fan fixing component; the edge of the other surface of the first fan frame, which is opposite to the fan contact surface, is provided with a fan terminal assembly, and the fan terminal assembly comprises a fan terminal for providing electric connection of the fan and a fan terminal fixing buckle.

According to an embodiment of the present invention, the first elastic fixing structure of the first fan case and the second elastic fixing structure of the second fan case are respectively used in pairs with the first fan fixing buckle and the second fan fixing buckle, and the number of the first fan fixing buckle, the number of the second fan fixing buckle, the number of the first elastic fixing structure, and the number of the second elastic fixing structure are all plural.

According to an embodiment of the present invention, the first fan fixing clip, the second fan fixing clip, the first elastic fixing structure and the second elastic fixing structure are semi-cylindrical shapes perpendicular to the first fan frame surface or the second fan frame surface, tips of the first fan fixing clip and the second fan fixing clip form an elastic tapered tip, and the elastic tapered tip protrudes outside the connecting hole of the fan to be locked, lengths of the first elastic fixing structure and the second elastic fixing structure are smaller than lengths of the first fan fixing clip and the second fan fixing clip, and the first elastic fixing structure and the second elastic fixing structure are received and abutted in the connecting hole of the fan.

According to one embodiment of the invention, the side edges of the first fan board and the second fan board are respectively provided with an L-shaped mounting structure which is in an L-shaped bulge and used for matching and splicing the plurality of fan boards when the plurality of fan boards are combined.

According to one embodiment of the present invention, the L-shaped mounting structures of both sides of the first fan case are rotationally symmetric by 180 degrees, and the L-shaped mounting structures of both sides of the second fan case are rotationally symmetric by 180 degrees.

According to one embodiment of the invention, the two ends of the top surface and the bottom surface of the first fan board and the second fan board are provided with bending cantilever-shaped elastic shock absorption structures which are respectively in pressing contact with the top surface and the bottom surface of the case.

According to one embodiment of the present invention, the top surfaces of the first and second fan boards are provided with handle structures for lifting the fan fixing assembly.

According to one embodiment of the invention, the fan terminal is connected to the main board through a cable to realize conduction, or is connected with the main board through direct hot plug.

The fan fixing component provided by the invention can be flexibly combined under the conditions of installation-free and simple structure through modular design, has a damping function, and is low in cost. In addition, the fan fixing component provided by the invention not only supports a cable type non-hot-plug structure, but also supports a hot-plug structure in which the fan module is directly matched with the mainboard, and can better adapt to the requirements of customers.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a fan case of a fan fixing assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of another perspective of the fan case shown in FIG. 1;

FIG. 3 is a schematic view of a fan fixing assembly of the fan and fan frame combination according to one embodiment of the present invention;

FIG. 4 is a schematic view of the fan fixing assembly shown in FIG. 3 from another perspective;

FIG. 5 is a schematic view of an overall structure of a plurality of fan mount assemblies according to one embodiment of the present invention when they are coupled together;

fig. 6 is a partially enlarged schematic structural view illustrating a plurality of fan fixing units according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.

See fig. 1, fig. 2, and fig. 3, fig. 4 collectively. In which fig. 1 and 2 show a schematic structural view of a fan 3 of a fan fixing assembly according to an embodiment of the present invention from different perspectives. Fig. 3 and 4 show a schematic view of the structure of the fan 3 and the first and

second fan frames

1 and 2 of the fan fixing assembly from different perspectives.

The embodiment of the invention provides a fan fixing assembly, which comprises a fan 3 (shown in figure 3), a first fan board 1 and a second fan board 2. The first fan frame 1 and the second fan frame 2 are respectively provided with a first air hole and a second air hole at the central positions thereof, which are convenient for air circulation. Specifically, in one embodiment, the first fan case 1 and the second fan case 2 are both rectangular in shape, the first air hole is formed in two concentric circles, and three support rods are provided between the concentric circles. The second phoenix hole is two concentric circles, and three support rods are arranged between the concentric circles.

The edges of the first fan frame 1 and the second fan frame 2 are respectively provided with a first fan fixing buckle 11 and a second fan fixing buckle (not numbered in the figure) for fixing the fans, and the first fan fixing buckle 11 and the second fan fixing buckle are also correspondingly provided with a first elastic fixing structure 12 and a second elastic fixing structure (not numbered in the figure). Specifically, the number of the first fan fixing buckle 11, the second fan fixing buckle, the first elastic fixing structure 12 and the second elastic fixing structure is multiple. The first elastic fixing structure 12 is used for cooperating with the first fan fixing buckle 11 to form an elastic fixing state of the first fan frame 1 and the fan 3, and the second elastic fixing structure is used for cooperating with the second fan fixing buckle to form an elastic fixing state of the second fan frame 2 and the fan 3. Specifically, in one embodiment, four fan fixing buckles are arranged on the surfaces perpendicular to the fan boards at the four corners of the first fan board 1 and the second fan board 2, the fan fixing buckles are semi-cylindrical, and elastic tapered tips are formed at the top ends of the semi-cylindrical shapes and are used for matching with the four connecting holes on the fan 3, so that the first fan board 1 and the second fan board 2 are connected with the fan 3. In one embodiment, the fan fixing clip may be integrally formed with the fan frame. In one embodiment, the fan fixing buckle has an elastic fixing structure near the fan fixing buckle, the elastic fixing structure is in the same direction as the fan fixing buckle, namely perpendicular to the surface of the fan frame, the length of the elastic fixing structure is smaller than that of the fan fixing buckle, and the first elastic fixing structure 12 and the second elastic fixing structure are received and abutted in the connecting hole of the fan 3. The elastic fixing structure plays a role of pre-tightening force when the fan frame is matched with the fan 3, so that the fan 3 and the fan frame are fixed more firmly.

In one embodiment, the other surface of the second fan housing 2 contacting the fan 3 is further provided with second fan fixing holes 21, and the surface of the first fan housing 1 not contacting the fan is also provided with first fan fixing holes 13. Specifically, the first fan fixing hole 13 and the second fan case 2 fixing hole are elongated cylindrical holes for fixing one module with another module (one module includes one fan 3, the first fan case 1 and the second fan case 2). After a plurality of fixed modules are assembled and combined, the first fan fixing hole 13 and the second fan fixing hole 21 can also be used for being matched and fixed with a fixing column arranged in the case, so that the modules are fixed in the case.

The first fan case 1 is further provided with a fan terminal assembly on a side surface opposite to the first fan fixing buckle 11. The fan terminal assembly includes a fan terminal 14 for providing an electrical connection and a fan terminal securing structure for providing a support structure for the fan terminal 14. The fan terminal fixing structure includes a fan terminal fixing catch 15 for catching the fan terminal 14 on the fan terminal fixing catch 15. Two plug modes can be realized to fan terminal fixed knot structure: the fan terminal 14 is connected with a terminal connected to the main board through a cable to realize conduction; or, only the fan terminal 14 is fixed on the fan terminal fixing buckle 15, and the other end is welded on the main board, so that the fan fixing component module can realize direct hot plug with the main board.

The side edges of the first fan board 1 and the second fan board 2 are provided with L-shaped convex L-shaped mounting structures 16 which are matched and spliced when a plurality of fan boards are combined.

The top and bottom end points of the first fan frame 1 and the second fan frame 2 are also provided with elastic shock-absorbing structures 22 in a bent cantilever shape, and when the fan 3 rotates and vibrates, the elastic shock-absorbing structures 22 can generate elastic deformation, so that direct collision between the fan fixing component and the case is reduced. The resilient cushioning structure 22 may be integrally formed with the fan case or bonded to the fan case. When the fan 3 rotates and causes vibration, the bending cantilever-shaped elastic shock absorption structures 22 on the top surface and the bottom surface contact and extrude with the bottom of the case and the upper cover of the case inside the case, and the elastic shock absorption structures 22 can generate elastic deformation, so that direct collision between the fan fixing component and the case is reduced.

The upper parts of the first fan frame 1 and the second fan frame 2 are also provided with handle structures 23. Specifically, the handle structure 23 is a protrusion of the surface of the fan case not in contact with the fan 3 for lifting the entire fan fixing assembly when the first fan case 1 and the second fan case 2 are combined with the fan 3.

Fig. 5 is a schematic view showing an overall structure of a plurality of fan fixing assemblies according to an embodiment of the present invention when they are coupled to each other. The first fan frames 1 of the fan fixing components are spliced on the same plane, and the second fan frames 2 of the fan fixing components are spliced on the same plane.

Fig. 6 is a partially enlarged schematic view illustrating a plurality of fan fixing units according to an embodiment of the present invention. As shown in fig. 6, two adjacent fan mount assemblies are mated to each other via an L-shaped mounting structure 16. Specifically, in the same fan fixing assembly, the two L-shaped mounting structures 16 on the two sides of the first fan case 1 are L-shaped structures that are mutually rotated 180 degrees and symmetric. Two L-shaped mounting structures 16 on two sides of the second fan case 2 are also mutually rotated 180 degrees and symmetrical, and when the first fan case 1 and the second fan case 2 are both assembled with the fan 3, the L-shaped mounting structures 16 on the same side of the second fan case 2 and the first fan case 1 face the same direction.

The fan fixing assembly provided by the embodiment of the invention has the advantages of tool-free installation, simple structure and reduced cost, and not only can flexibly assemble a plurality of assemblies, but also has the damping function. In addition, the fan fixing component provided by the invention not only supports a cable type non-hot-plug structure, but also supports a hot-plug structure in which the fan module is directly matched with the mainboard, and can better adapt to the requirements of customers.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a subassembly is fixed to fan, includes fan, first fan board and second fan board, its characterized in that:

the edge of the first fan frame and the edge of the second fan frame are respectively provided with a first fan fixing buckle and a second fan fixing buckle which are used for mutually fixing the fan, and a first elastic fixing structure and a second elastic fixing structure which are respectively used for providing pre-tightening force of the first fan fixing buckle and the second fan fixing buckle;

the edges of the other surfaces of the first fan frame and the second fan frame, which are opposite to the fan contact surface, are respectively provided with a first fan frame fixing hole and a second fan frame fixing hole for fixing the fan fixing component;

the edge of the other surface of the first fan frame, which is opposite to the fan contact surface, is provided with a fan terminal assembly, the fan terminal assembly comprises a fan terminal for providing electric connection of the fan and a fan terminal fixing buckle, and the plugging direction of a connecting wire on the fan terminal is parallel to the fan contact surface;

wherein, the fan terminal fixing buckle is used for clamping the fan terminal on the fan terminal fixing buckle and is configured as: the fan terminal is connected to the terminal of the fan terminal fixing buckle through a cable on the mainboard and then is communicated, and/or the fan terminal is fixed on the fan terminal fixing buckle, and the other end of the fan terminal is welded on the mainboard to realize direct hot plug with the mainboard.

2. The fan fixing assembly according to claim 1, wherein the first elastic fixing structure of the first fan case and the second elastic fixing structure of the second fan case are respectively paired with the first fan fixing buckle and the second fan fixing buckle, and the number of the first fan fixing buckle, the number of the second fan fixing buckle, the number of the first elastic fixing structure, and the number of the second elastic fixing structure are plural.

3. The fan fixing assembly according to claim 1, wherein the first fan fixing clip, the second fan fixing clip, the first elastic fixing structure and the second elastic fixing structure are semi-cylindrical shapes perpendicular to the first fan case surface or the second fan case surface, tips of the first fan fixing clip and the second fan fixing clip form an elastic tapered tip, and the elastic tapered tip protrudes outside the connecting hole of the fan to be locked, a length of the first elastic fixing structure and the second elastic fixing structure is smaller than a length of the first fan fixing clip and the second fan fixing clip, and the first elastic fixing structure and the second elastic fixing structure are received and abutted in the connecting hole of the fan.

4. The fan fixing assembly as claimed in claim 1, wherein the first fan housing and the second fan housing are provided at side edges thereof with L-shaped mounting structures protruded in L-shapes for being matted with each other in a state that the plurality of fan housings are combined.

5. The fan fixing assembly according to claim 4, wherein the L-shaped mounting structures of both sides of the first fan case are rotationally symmetric by 180 degrees, and the L-shaped mounting structures of both sides of the second fan case are rotationally symmetric by 180 degrees.

6. The fan fixing assembly as claimed in claim 1, wherein the first and second fan housings are provided at both ends thereof with bent cantilever-shaped elastic shock-absorbing structures for being in press-contact with the top and bottom surfaces of the cabinet, respectively.

7. The fan mounting assembly of claim 1 wherein the top surfaces of the first and second fan cases are provided with handle structures for lifting the fan mounting assembly.