Combined counter-rotating cooling fan frame body capable of being assembled and disassembled in rotating mode

Abstract

The utility model relates to a combined counter-rotating cooling fan frame body capable of being assembled and disassembled in a rotating mode, and aims to solve the technical problems that existing like products are inconvenient to assemble, disassemble, repair and maintain, difficult to use repeatedly and inconvenient in large-scale standardized production. The combined counter-rotating cooling fan frame body comprises an air inlet frame body and an air outlet frame body, and the chamfers of the counter-rotating sides of the air inlet frame body and the air outlet frame body are each provided with an L-shaped protruding limiting buckle. The key points are as follows: a buckling hole is formed in the middle of the L-shaped bulge at the position of the limiting buckle of the chamfer on at least one side of the air inlet frame body or the air outlet frame body, a buckling clamping strip with an elastic opening tilting is arranged at the position of the limiting opening of the chamfer on the other side, symmetrical to the buckling hole, of the air outlet frame body or the air inlet frame body, and a buckling boss is arranged at the end part of the buckling clamping strip; when the limiting buckles of the air inlet frame body and the air outlet frame body are aligned and screwed, the buckling bosses of the buckling clamping strips are buckled into the buckling holes, the outer diameter of the air inlet frame body and the outer diameter of the air outlet frame body are aligned to form a column shape, and the opposite rotating sides are attached to the corresponding bottom faces of the air inlet frame body and the air outlet frame body.

Description

TECHNICAL FIELD

[0001] The utility model relates to a radiator fan, and is a rotary dismounting combined counter-rotating radiator fan frame. BACKGROUND

[0002] The radiator fan is generally mainly used for the radiator fan of CPU, display card and other mainboard equipment, and the main purpose is to conduct heat and blow to the air around to achieve the effect of cooling, and some radiator fans are applied to electrical cabinet or industrial equipment cabinet. At the same time, with the continuous development of the server industry, the demand for server heat dissipation is continuously improved, especially the development of high-performance computing and data center, and the requirement for server radiator fan is also higher and higher, and the market demand is also larger and larger. At present, some server radiator fans adopt double-fan combination, and run in a counter-rotating mode to improve the performance parameters of the fan. The conventional double-fan combination type radiator fan is generally combined by buckles, screws and other modes, which not only has a complex process but also has a high cost. Among them, the buckle type assembly cannot be disassembled and can only be used once, which is not convenient for maintenance and subsequent maintenance, and affects the overall user experience. Therefore, as disclosed in the Chinese patent document with the authorized announcement number CN109737085A, the application publication date is May 10, 2019, and the invention name is "combined radiator fan", the radiator fan is fixed by the edge buckle and the surrounding plate edge buckle at the same time, and the first fan frame and the second fan frame are further fixed by the lock. Some others are locked and fixed by the sliding block and the inclined guide groove, and the counter-rotating series radiator fan outer frame cover is disclosed in the Chinese patent document with the authorized announcement number CN209083678U, the authorized announcement date is July 9, 2019, and the utility model name is "counter-rotating series radiator fan outer frame cover". In the above structure design, the screw is needed after the counter-rotating combination, and the structure will be more firm and stable. SUMMARY

[0003] In order to overcome the above-mentioned defects, the utility model aims to provide a rotary dismounting combined counter-rotating radiator fan frame to solve the technical problems of the disassembly, maintenance and maintenance inconvenience, difficult reuse and large batch standardized production of the existing similar products. The purpose is realized through the following technical scheme.

[0004] The utility model provides a rotatable dismounting combined counter-rotating heat dissipation fan frame body, which comprises an air inlet frame body and an air outlet frame body, and the air inlet frame body and the air outlet frame body are both cuboids with square planes on the counter-rotating side; the counter-rotating side of the air inlet frame body and the air outlet frame body is respectively provided with an L-shaped limiting buckle; the structure design key point is that the middle of the L-shaped limiting buckle of the at least one side chamfer of the air inlet frame body or the air outlet frame body is provided with a buckling hole; the other side of the buckling hole is provided with a buckling clamping strip which is elastically opened and raised, and the buckling clamping strip is provided with a buckling boss at the end; when the limiting buckles of the air inlet frame body and the air outlet frame body are aligned and screwed, the buckling boss of the buckling clamping strip is buckled into the buckling hole, the outer diameters of the air inlet frame body and the air outlet frame body are aligned to form a column, and the bottom surface of the air inlet frame body is correspondingly attached to the bottom surface of the air outlet frame body. Thus, the air inlet frame body and the air outlet frame body are combined in the counter-rotating combined state through the L-shaped limiting buckles and the buckling holes, that is, they are buckled to each other to form a stable state, preventing loosening in the axial direction and the horizontal direction; meanwhile, the buckling clamping strip at the buckling hole has a movable effect, and the buckling boss applies a force in the frame body direction to separate the air inlet frame body and the air outlet frame body.

[0005] The side edge of the limiting buckle at the chamfer of the square plane on the counter-rotating side of the air inlet frame body or the air outlet frame body is respectively provided with an auxiliary track.

[0006] The middle of the outer side surface of the air inlet frame body and the air outlet frame body is respectively provided with a corresponding and aligned auxiliary surface, and the chamfer of the square plane on the other side of the air inlet frame body and the air outlet frame body is respectively provided with a mounting hole.

[0007] The utility model discloses simple and reasonable structure design, and the combination dismounting is convenient, and easy maintenance, and it is convenient for mass standardization production to improve production, assembly efficiency, and reduce the cost required, and it is suitable for being used as the rotatable dismounting combined counter-rotating heat dissipation fan frame body, and the structure improvement of similar products. ACCURATE DRAWINGS

[0008] Figure 1 It is the explosion structure schematic diagram of the embodiment of the utility model.

[0009] Figure 2 It is Figure 1 the air inlet frame body counter-rotating side structure schematic diagram.

[0010] Figure 3 It is Figure 1 the air outlet frame body counter-rotating side structure schematic diagram.

[0011] Figure 4 It is Figure 1 the counter-rotating combined structure schematic diagram.

[0012] Figure No. and Name: 1, air inlet frame body, 101, first limiting buckle, 102, second limiting buckle, 103, third limiting buckle, 104, fourth limiting buckle, 105, buckling hole, 106, first auxiliary track, 107, second auxiliary track, 108, third auxiliary track, 109, fourth auxiliary track, 110, air inlet frame bottom surface, 111, air inlet frame auxiliary surface, 2, air outlet frame body, 201, fifth limiting buckle, 202, sixth limiting buckle, 203, seventh limiting buckle, 204, eighth limiting buckle, 205, buckling clamping strip, 206, buckling boss, 207, air outlet frame bottom surface, 208, air outlet frame auxiliary surface. Embodiment

[0013] The structure of the utility model will be further described in combination with the drawings. As shown in the drawings, the combined counter-rotating heat dissipation fan frame body comprises an air inlet frame body 1 and an air outlet frame body 2, and the air inlet frame body and the air outlet frame body are both cuboids with square cross sections on the counter-rotating side. Figures 1-4 The fourth limiting buckle 104 of the air inlet frame body is provided with a buckling hole 105 in the middle of the L-shaped protrusion, and the air inlet frame body is provided with an elastic opening buckling clamping strip 205 on the side of the limiting opening corresponding to the side of the air inlet frame body, and the end of the buckling clamping strip is provided with a buckling boss 206; when the limiting buckles of the air inlet frame body and the air outlet frame body are aligned and screwed, the buckling boss of the buckling clamping strip is buckled into the buckling hole, the outer diameters of the air inlet frame body and the air outlet frame body are aligned to form a cylindrical shape, and the air inlet frame bottom surface 110 of the air inlet frame body is attached to the air outlet frame bottom surface 207 of the air outlet frame body. The air inlet frame body and the air outlet frame body are respectively provided with corresponding auxiliary surfaces on the outer side surfaces, and the air inlet frame body and the air outlet frame body are respectively provided with mounting holes on the other side square cross section.

[0014] The specific assembly method is as follows: the direction of the air inlet frame body is aligned with the air outlet frame auxiliary surface 208 of the air outlet frame body at 45°, the air inlet frame bottom surface 110 of the air inlet frame body is attached to the air outlet frame bottom surface 207 of the air outlet frame body, and the air inlet frame body is placed on the bottom of the air outlet frame body, the air outlet frame body is fixed, and the air inlet frame body is rotated in the counterclockwise direction until the buckling boss 206 is inserted into the middle of the buckling hole 105, and the air inlet frame body and the air outlet frame body are combined.

[0015] In summary, the structure of the combination of the rotary heat dissipation fan frame body is simple and reasonable, and basically assembled and fixed without using screws and the like for assistance, and the combination of the integral molding of the reverse buckle and the buckle position, the protruding piece and the auxiliary fixing hole position (i.e. the buckling between the above-mentioned limiting buckles and the buckling between the buckling boss and the buckling hole) is used to realize stable and effective installation, which not only is convenient to disassemble and assemble and easy to maintain, but more importantly, the design is suitable for mass production and standardization, significantly improves the production and assembly efficiency, and reduces the required cost. At the same time, the production and assembly process is simple, without the need for additional fasteners, which can effectively reduce the production cost and improve the production efficiency, has sufficient innovation and practicality, has secondary disassembly and assembly capacity, and meets the role of later maintenance.

[0016] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A rotary disassembly combined counter-rotating heat dissipation fan frame, comprising an air inlet frame (1) and an air outlet frame (2), the air inlet frame and the air outlet frame are respectively square cuboids on the counter-rotating side, and the counter-rotating side of the air inlet frame and the air outlet frame is respectively provided with an L-shaped protruding limiting buckle; characterized in that The L-shaped protrusion in the limiting buckle of the chamfered side of the air inlet frame (1) or the air outlet frame (2) is provided with a buckling hole (105) in the middle, the other side of the buckling hole is provided with a buckling clamping strip (205) which is elastically opened and raised, and the end of the buckling clamping strip is provided with a buckling boss (206); when the limiting buckles of the air inlet frame and the air outlet frame are aligned and screwed, the buckling boss of the buckling clamping strip is buckled into the buckling hole, the outer diameters of the air inlet frame and the air outlet frame are aligned to be cylindrical, and the air inlet frame bottom surface (110) of the air inlet frame is correspondingly attached to the air outlet frame bottom surface (207) of the air outlet frame.

2. The frame of the combined counter-rotating heat-dissipation fan according to claim 1, wherein The limiting buckle of the chamfered side of the square plane of the air inlet frame (1) or the air outlet frame (2) is provided with an auxiliary track at the edge corner of one side.

3. The frame of the combined counter-rotating heat-dissipation fan according to claim 1, wherein The air inlet frame (1) and the air outlet frame (2) are respectively provided with corresponding and aligned auxiliary surfaces in the middle of the outer side, and the other side of the square plane of the air inlet frame and the air outlet frame is respectively provided with a mounting hole.

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