Ethernet access equipment fan fixing device

Abstract

The utility model belongs to the technical field of Ethernet access equipment. The Ethernet access equipment fan fixing device comprises a support used for supporting a fan and a plurality of sets of fan guiding devices fixed to the support, the support comprises a support body plate and a bottom supporting plate, and the support body plate is provided with a plurality of support ventilation holes matched with the fan in position. The two ends of the bottom side of the support body plate are each provided with a bent lug wing which is used for fixed installation and provided with an installation hole, and the fan guiding devices are a plurality of clamping hook devices which are fixed to the left side and the right side of a ventilation hole in the support body plate and can clamp a fan and limit the fan. The fan fixing device is simple and convenient to mount, the fan is mounted without screws, the fan mounting or dismounting process is simple and easy to realize, the firmness of the fan can be ensured during mounting, and the fan fixing device has better heat dissipation effect and longer service life; in addition, the structure is simple, production efficiency is effectively improved, and production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of Ethernet access devices, and particularly relates to a fan fixing device for an Ethernet access device. Background Art

[0002] In the prior art, when an Ethernet access device is in use, for heat dissipation needs, multiple fans are required for ventilation and heat dissipation to obtain the expected heat dissipation effect. And the commonly used fan installation method at present is generally to install through screws, but a large number of screws are needed to fix the fan during installation. When the fan has a fault, the screws need to be disassembled. The installation and disassembly are not only cumbersome and troublesome, but also very inflexible.

[0003] Therefore, it is extremely urgent to develop a fan fixing device for an Ethernet access device that is easy to install and can install multiple fans simultaneously. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a fan fixing device for an Ethernet access device. The bracket device is easy to install and can install multiple fans simultaneously. In addition, the bracket device has a simple structure and a simple manufacturing process, effectively improving the production efficiency and reducing the production cost.

[0005] In order to achieve the above technical purpose, the utility model is implemented according to the following technical solutions:

[0006] The fan fixing device for an Ethernet access device of the utility model includes a bracket for supporting the fan and a plurality of groups of fan guiding devices fixed on the bracket. The bracket includes a bracket main body plate for supporting the back of the fan and a bottom support plate placed at the bottom of the bracket main body for supporting the bottom of the fan. A plurality of bracket ventilation holes matching the positions of the fans are provided on the bracket main body plate. Bending ear wings with mounting holes for fixed installation are provided at both ends of the bottom side of the bracket main body plate. The fan guiding device is a plurality of hook devices that can clamp the fan and limit the fan, which are fixed on both sides of the ventilation hole on the bracket main body plate.

[0007] As a further improvement of the above technology, each group of hook devices is composed of a plurality of hooks. The plurality of hooks are respectively arranged on both sides of the ventilation hole of the bracket. The hook is L-shaped, which includes an L-shaped long side directly fixed on the bracket main body plate and an L-shaped short side. An inwardly inclined bending guiding bevel is provided at the edge of the end of the L-shaped short side.

[0008] As a further improvement of the above technology, the length of the guiding bevel is 3.5 mm, and the inwardly inclined angle is 30°.

[0009] As a further improvement of the above technology, the hook device is composed of three hooks, which are respectively located on the left and right sides of the ventilation hole of the bracket. There is one / two on the left side and two / one on the right side, and the three hooks are evenly arranged around the ventilation hole.

[0010] As a further improvement of the above technology, the length of the long side of the L-shaped hook is 21 mm, and the length of the short side of the L-shaped hook is 7 mm.

[0011] As a further improvement of the above technology, when there is one hook on the left or right side of the ventilation hole, the height dimension from it to the bottom of the ventilation hole is 12.5 mm. When there are two hooks on the right or left side of the ventilation hole, their height dimensions from the bottom of the ventilation hole are 1 mm and 24 mm respectively.

[0012] As a further improvement of the above technology, three fan ventilation holes are provided on the main body plate of the fan bracket. The size of the ventilation hole is 40.5 mm x 35 mm, and the ventilation holes are evenly arranged. The distance between the centers of adjacent ventilation holes is 45 mm.

[0013] As a further improvement of the above technology, the length dimension of the main body plate of the bracket is 160 mm, its width dimension is 40 mm, and its height dimension is 10 mm. The four sides are all rounded corners, and the radius dimension of the rounded corners ranges from 1 to 2 mm.

[0014] In the present utility model, two notches are left at the bottom corners of both ends of the main body plate of the bracket. The height of the notch is 6 mm and the width is 10 mm. The bending ear wings are installed at the two notches. A circular external connection hole is provided in the middle of the bending ear wings. The diameter of the external connection hole is 3.5 mm. The bending ear wings are connected to the shell through the two external connection holes.

[0015] In the present utility model, the main body plate of the bracket is made of electro-galvanized sheet material, and its thickness range is 1.2 - 1.5 mm.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] (1) In the present utility model, through the limiting effect of the hook device on the fan and the supporting effect of the bottom support plate on the fan, it can effectively fix the fan. The multi-point fixation can better ensure the stability of the fan, making the installation more convenient and easy to operate;

[0018] (2) In the present utility model, the hook device is composed of three hooks located on the left and right sides of the ventilation hole. The three hooks and their respective guiding bevel edges can form a guiding groove for the smooth installation of the fan, facilitating the smooth installation of the fan and making the installation process more convenient and easy to operate;

[0019] (3) The fan fixing device of the present utility model is provided with positions for three fans, which is used for the installation and fixation of multiple fans, making the overall installation convenient;

[0020] (4) The fan fixing device of the present utility model is provided with a simple structure and a simple manufacturing process, effectively improving production efficiency and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present utility model will be described in detail below with reference to the drawings and specific embodiments:

[0022] Figure 1 is a schematic structural view of the fan fixing device of the Ethernet access device described in the present utility model;

[0023] Figure 2 is a completed view of the fan fixing device of the Ethernet access device described in the present utility model with the fan assembled;

[0024] Figure 3 is an exploded schematic view of the process of assembling the fan fixing device of the Ethernet access device described in the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] As Figures 1 to 3 shown, the fan fixing device 10 of the Ethernet access device described in the present utility model includes a bracket 1 for supporting the fan and a plurality of groups of fan guiding devices 30 fixed on the bracket 1. The bracket 1 includes a bracket main body plate 11 for supporting the back of the fan and a bottom support plate 12 placed at the bottom of the main body of the bracket 1 for supporting the bottom of the fan. A plurality of ventilation holes 111 matching the installation positions of the fan 20 are provided on the bracket main body plate 11. Fixed ear wings 13 with installation holes 131 for fixed installation are provided at both ends of the bottom side of the bracket main body plate 11. The fan guiding devices 30 are hook devices fixed on both sides of the ventilation holes on the bracket main body plate 11, and can clamp and limit the fan.

[0026] In the present utility model, each group of hook devices is composed of a plurality of hooks 31. The plurality of hooks 31 are respectively arranged on both sides of the ventilation hole 111. The hook 31 is L-shaped, which includes an L-shaped long side 311 directly fixed on the bracket main body plate 11 and an L-shaped short side 312. At the edge of the end of the L-shaped short side 312, there is a guiding inclined edge 313 bent inward. The length of the guiding inclined edge 313 is 3.5 mm, and the angle of its inward inclination is 30°.

[0027] By Figures 1 to 3It can be seen that the hook device is composed of three hooks 31, which are distributed on the left and right sides of the ventilation hole 111. There is one on the left side and two on the right side, or it can also be two on the right side and one on the left side. The three hooks 31 are evenly arranged around the ventilation hole 111. The three-point positioning and the bottom support function of the bottom support plate 12 make the installation of the fan 20 more stable.

[0028] In addition, when there is one hook 31 on the left or right side of the ventilation hole 111, the height dimension from it to the bottom of the ventilation hole 111 is 12.5 mm. When there are two hooks 31 on the right or left side of the ventilation hole 111, their height dimensions from the ventilation hole bottom are 1 mm and 24 mm respectively.

[0029] In the present utility model, the length of the L-shaped long side 311 of the hook 31 is 21 mm, and the length of the L-shaped short side 312 of the hook 31 is 7 mm.

[0030] As Figures 1 to 3 shown, a total of three fan ventilation holes 111 are provided on the fan bracket main body plate 11. The size of the ventilation hole 111 is 40.5 mm x 35 mm. The ventilation holes 111 are evenly arranged, and the distance between the centers of adjacent ventilation holes 111 is 45 mm.

[0031] In the present utility model, the length dimension of the bracket main body plate 11 is 160 mm, its width dimension is 40 mm, its height dimension is 10 mm, and the four sides are all chamfered. The radius dimension range of the chamfer is 1 - 2 mm; the length dimension of the bottom support plate 12 is 140 mm, and the width is 10 mm.

[0032] In addition, for the convenience of installation, two notches 112 are left at the bottom corners of both ends of the bracket main body plate 11. The height of the notch 112 is 6 mm, and the width is 10 mm. The fixed ear wings 13 are installed at the two notches 112. A circular external connection hole is provided in the middle of the fixed ear wings 13, and the diameter of the external connection hole is 3.5 mm.

[0033] The bracket main body plate 11 is made of electro-galvanized sheet material, and its thickness range is 1.2 - 1.5 mm. It has a light weight, a small volume, a simple manufacturing process, and a low cost.

[0034] The following specifically describes the installation process of the fan bracket in the Ethernet access device fan fixing device 10 of the present utility model:

[0035] (1) First, as Figure 3As shown, align the position of the fan 20 with the positions of the three hooks 31 of the hook device on the bracket main board 11 of the Ethernet access device fan fixing device 10, and then insert the fan 20 into the guiding groove formed by the three hooks 31 of the Ethernet access device fan fixing device 10. The bottom of the fan 20 is supported on the bottom support board 12 to fix the fan 20 and the Ethernet access device fan fixing device 10 together;

[0036] (2) Finally, for the fixed fan 20 and the Ethernet access device fan fixing device 10, align the fixing holes 131 on the fixing ear wings 13 with the nut posts on the device, and then fix them together with M3 pan head screws.

[0037] For the Ethernet access device fan fixing device 10 described in the present utility model, the fixing holes 131 on the fixing ear wings 13 are used to fix the Ethernet access device fan fixing device 10 to the housing of the device. The setting of the positions of the three hooks 31 of the support hook device is used to limit the left and right positions of the fan. Coupled with the setting of the bottom support board 12, it is used to limit the bottom position of the fan 20. In this way, multi-dimensional fixing of the fan can be achieved through limiting on different surfaces, which is convenient for the installation and disassembly of the fan and can greatly improve the customer experience.

[0038] The present utility model is not limited to the above embodiments. If various modifications or variations of the present utility model do not depart from the spirit and scope of the present utility model, and provided that these modifications and variations fall within the scope of the claims of the present utility model and equivalent technical scope, the present utility model also includes these modifications and variations.

Claims

1. A fan fixing device for Ethernet access equipment, characterized in that: The invention comprises a bracket for supporting a fan, and several groups of fan guide devices fixed on the bracket, wherein the bracket comprises a bracket main body plate for supporting the back of the fan and a bottom support plate arranged on the bottom plate of the bracket main body for supporting the bottom of the fan, the bracket main body plate is provided with several bracket ventilation holes which match the positions of the fans, and both ends of the bottom side of the bracket main body plate are provided with bent ear wings with mounting holes for fixed installation, and the fan guide devices are several hook devices which are fixed on the left and right sides of the ventilation holes on the bracket main body plate and can clamp the fans and limit the positions of the fans.

2. The fan fixing device for Ethernet access equipment according to claim 1, characterized in that: Each set of hook devices is composed of a number of hooks, which are respectively arranged on the left and right sides of the ventilation hole of the bracket. The hook is L-shaped, including an L-shaped long side directly fixed on the main body plate of the bracket, and an L-shaped short side. The end edge of the L-shaped short side is provided with a guide bevel that is inclined inward.

3. The fan fixing device for Ethernet access equipment according to claim 2, characterized in that: The length of the guiding bevel is 3.5 mm, and the inwardly inclined angle thereof is 30°.

4. The fan fixing device for Ethernet access equipment according to claim 2, characterized in that: The hook device consists of three hooks, which are located on the left and right sides of the ventilation hole of the bracket, with one / two hooks on the left side and two / one hooks on the right side. The three hooks are evenly arranged around the ventilation hole.

5. The fan fixing device for Ethernet access equipment according to claim 4, characterized in that: The length of the L-shaped long side of the hook is 21 mm, and the length of the L-shaped short side of the hook is 7 mm.

6. The fan fixing device for Ethernet access equipment according to claim 4, characterized in that: When there is one hook on the left or right side of the ventilation hole, its height from the bottom of the ventilation hole is 12.5mm. When there are two hooks on the right or left side of the ventilation hole, their heights from the bottom of the ventilation hole are 1mm and 24mm respectively.

7. The fan fixing device for Ethernet access equipment according to claim 1, characterized in that: Three fan ventilation holes are arranged on the main body plate of the fan bracket. The size of the ventilation holes is 40.5mmx35mm. The ventilation holes are evenly arranged, and the distance between the centers of adjacent ventilation holes is 45mm.

8. The fan fixing device for Ethernet access equipment according to claim 1, characterized in that: The length dimension of the bracket main body plate is 160mm, the width dimension is 40mm, the height dimension is 10mm, and the four sides are all rounded, and the radius dimension range of the rounded corners is 1-2mm.

9. The fan fixing device for Ethernet access equipment according to claim 1, characterized in that: Two notches are left at the bottom corners of the two ends of the bracket main body plate, the notches are 6mm high and 10mm wide, the bent ear wings are installed at the two notches, and a circular external hole is provided in the center of the bent ear wings, and the diameter of the external hole is 3.5mm.

10. The fan fixing device for Ethernet access equipment according to claim 1, characterized in that: The support body plate is made of electro-galvanized plate material, and its thickness ranges from 1.2 to 1.5 mm.

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