Fan frame device of Ethernet access equipment

Abstract

The utility model belongs to the technical field of Ethernet access equipment. The Ethernet access equipment fan frame device comprises a fan frame body, a front end fixing device and a rear end fixing device, the fan frame body comprises a frame body defined by a bottom plate, two lateral plates and a front panel, the upper edge of the front panel is provided with an upper extending edge, the front panel is provided with a plurality of heat dissipation holes, and the bottom plate is provided with a plurality of heat dissipation holes. The bottom plate is provided with lower positioning supporting columns and fixing holes, the upper extending edge is provided with a plurality of upper positioning supporting columns, the front end fixing device comprises a front end fixing plate, the upper edge and the lower edge of the front end fixing plate are each provided with a plurality of lug wings, each lug wing is provided with a clamping groove, and the rear end fixing device comprises a rear end mounting plate. The two ends of the rear end mounting plate are provided with rear end mounting lug plates which can be fixedly connected with a fan shell. The fan frame device is convenient to assemble, meanwhile, the stability of the fan frame is improved, the fan noise is reduced, the structure is simple, the manufacturing process is simple, the production efficiency is effectively improved, and the 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 frame device for an Ethernet access device. Background Art

[0002] In the prior art, in order to meet the ventilation and heat dissipation requirements of an Ethernet access device, a double-motor fan needs to be installed to ensure a better heat dissipation effect. In addition, the fan is relatively thick and heavy. Currently, the commonly used fan installation method is to install it in a hanging manner in the device, which increases the installation difficulty and the installation stability is relatively poor.

[0003] Therefore, it is extremely urgent to develop a fan frame device for an Ethernet access device that is easy to install and can ensure the firmness and stability of the fan at the same time. 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 frame device for an Ethernet access device. The fan frame device is easy to install and can ensure the firmness and stability of the fan. In addition, the fan frame 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] A fan frame device for an Ethernet access device according to the utility model includes a fan frame body, a front-end fixing device and a rear-end fixing device installed on the fan frame body and respectively used for fixing the front and rear ends of the fan. The fan frame body includes a frame body surrounded by a bottom plate, two side plates and a front panel. The upper edge of the front panel is provided with an upper extension edge extending towards the rear end. The front panel is provided with a plurality of heat dissipation holes. The bottom plate is provided with lower positioning support columns and fixing holes. The upper extension edge is provided with a plurality of upper positioning support columns extending towards the inside of the fan frame body. The front-end fixing device includes a front-end fixing plate with a fan ventilation hole and a fan frame hole in the middle. The upper and lower ends of the front-end fixing plate are respectively provided with a plurality of ear wings, and each ear wing is provided with a card slot capable of corresponding positioning with the upper and lower positioning support columns. The rear-end fixing device includes a rear-end mounting plate fixedly connected to the bottom plate, and the two ends of the rear-end mounting plate are provided with rear-end mounting ear plates capable of fixedly connecting with the fan housing.

[0007] As a further improvement of the above technology, the fan frame body is a U-shaped frame body. The length dimension of the fan frame body is 180-190 mm, the width dimension is 80-85 mm, the height dimension is 80-85 mm, and the four sides are all provided with rounded corners, and the radius dimension range is 1-2 mm.

[0008] As a further improvement of the above technology, the heat dissipation holes on the front panel are honeycomb-shaped heat dissipation holes, the width dimension range of the upper extension edge is 12-15 mm, and two upper positioning support columns are provided downward at the bottom of the upper extension edge.

[0009] As a further improvement of the above technology, two lower positioning support columns are provided on the bottom plate, and two screw holes are correspondingly provided at the rear side thereof. The aperture dimension range of the screw holes is 3-3.5 mm. An inclined edge is provided at the pointed corner of the tail end of the bottom plate, and the dimension range of the inclined edge is 2-3 mm.

[0010] As a further improvement of the above technology, guide inclined edges inclined 20° towards the inside of the frame body are provided at the rear edges of the two side plates of the fan frame, and the folded edge dimension range of the guide inclined edges is 8-10 mm.

[0011] As a further improvement of the above technology, the width dimension range of the front end fixing plate is 80-85 mm, the height dimension range is 80-85 mm, the width dimension of the upper and lower ear wings is 10-12 mm, the card slots on the upper and lower ear wings are U-shaped groove notches, and the width dimension range of the U-shaped groove notches is 2.8-3.5 mm, and the length dimension is 5-7 mm.

[0012] As a further improvement of the above technology, the rear end mounting plate is provided with threaded holes corresponding to and threadedly connected to the threaded holes on the bottom plate, and the threaded holes are M3; the rear end mounting plate is provided with a plurality of fan fixing holes, and the dimension of the fixing holes is 3.5-4 mm.

[0013] In the present utility model, the fan frame body is made of electro-galvanized sheet material, and its thickness range is 1.0-1.2 mm.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] (1) In the present utility model, the fan frame device includes a fan frame body, a front end fixing device and a rear end fixing device which are independent of each other, and the fan can be conveniently installed step by step, thereby reducing the installation difficulty of the fan;

[0016] (2) In the present utility model, the fan frame device adopts a positioning method in which positioning support columns and card slots cooperate with each other for limiting, and is locked by screws, reducing the assembly difficulty and improving the assembly efficiency;

[0017] (3) The guide inclined edge is arranged at the tail end of the fan frame of the present utility model, improving the smoothness and efficiency of the device plugging and unplugging;

[0018] (4) The fan frame device of the present utility model is provided with a simple structure and a simple manufacturing process, effectively improving the production efficiency and reducing the production cost. Description of the Drawings

[0019] The following will make a detailed description of the present utility model in conjunction with the accompanying drawings and specific embodiments:

[0020] Figure 1 It is a schematic structural diagram of the fan frame device of the Ethernet access device described in the present utility model;

[0021] Figure 2 It is a schematic structural diagram of the fan frame body in the present utility model;

[0022] Figure 3 It is a schematic diagram of the completed assembly of the fan frame device of the Ethernet access device described in the present utility model;

[0023] Figure 4 It is a schematic diagram of the assembly process of the fan frame device of the Ethernet access device described in the present utility model. Specific embodiments

[0024] As Figures 1 to 4 shown, the fan frame device 10 of the Ethernet access device described in the present utility model includes a fan frame body 1, a front-end fixing device 2 and a rear-end fixing device 3 which are respectively installed on the fan frame body 1 and used to fix the front and rear ends of the fan 20. The fan frame body 1 includes a U-shaped frame body formed by a bottom plate 11, two side plates 12 and a front panel 13. The upper edge of the front panel 13 is provided with an upper extension edge 131 extending backward, and the front panel 13 is provided with a plurality of heat dissipation holes 132. Two lower positioning support columns 111 and fixing holes 112 are arranged on the bottom plate 11. Two upper positioning support columns 133 extending toward the inside of the fan frame body 1 are correspondingly arranged on the upper extension edge 131. The front-end fixing device 2 includes a front-end fixing plate 21 with a fan ventilation hole 211 and a fan frame hole 212 formed in the middle. A plurality of ear wings 22 are arranged at the upper and lower ends of the front-end fixing plate 21, and a clamping groove 221 capable of corresponding positioning with the upper positioning support column 133 and the lower positioning support column 111 is arranged on each ear wing 22. The rear-end fixing device 3 includes a rear-end mounting plate 31 fixedly connected to the bottom plate 11, and rear-end mounting ear plates 32 capable of fixedly connecting with the fan housing are arranged at both ends of the rear-end mounting plate 31.

[0025] In the present utility model, the fan frame body 1 is a U-shaped frame body. The length dimension of the fan frame body 1 is 180 - 190 mm, the width dimension is 80 - 85 mm, the height dimension is 80 - 85 mm, and the four sides are all chamfered with a radius dimension range of 1 - 2 mm.

[0026] The heat dissipation holes 132 of the front panel 13 are honeycomb-shaped heat dissipation holes, and the width dimension range of the upper extension edge 131 is 12 - 15 mm.

[0027] On the rear side of the two lower positioning support columns 111 on the bottom plate 11, two screw holes 113 are correspondingly provided. The aperture size range of the screw holes 113 is 3 - 3.5 mm. At the pointed corner of the tail end of the bottom plate 11, an inclined edge is provided, and the size range of the inclined edge is 2 - 3 mm.

[0028] At the rear edge of the two lateral plates 12 of the fan frame, a guiding inclined edge 121 inclined 20° towards the inside of the frame body is provided. The folded edge size range of the guiding inclined edge 121 is 8 - 10 mm.

[0029] The width size range of the front end fixing plate 21 is 80 - 85 mm, the height size range is 80 - 85 mm. The width size of the upper and lower ear wings 22 is 10 - 12 mm. The card slot 221 on the upper and lower ear wings 22 is a U-shaped groove notch. The width size range of the U-shaped groove notch is 2.8 - 3.5 mm, and the length size is 5 - 7 mm.

[0030] The rear end mounting plate 31 is provided with a threaded hole 311 corresponding to the threaded hole 113 of the bottom plate 11 for threaded connection. The threaded hole is M3. The rear end mounting ear plate 32 is provided with a number of fan fixing holes 321. The size of the fan fixing holes 321 is 3.5 - 4 mm, which corresponds to the mounting holes 201 on the fan 20 and is locked and fixed through a locking member.

[0031] The fan frame body 1 is made of electro-galvanized sheet material, and its thickness range is 1.0 - 1.5 mm. It has a light weight, a small volume, a simple manufacturing process, and a low cost.

[0032] The following specifically describes the installation process of the fan frame device 10 of the Ethernet access device and the fan 20 of the present utility model:

[0033] (1) First, as Figure 3 、 Figure 4 shown, the fan 20 and the front end fixing device 2 and the rear end fixing device 3 at the front and rear ends are fixed together;

[0034] (2) Finally, the assembled fan 20, the front end fixing device 2 and the rear end fixing device 3 are put into the fan frame 11 together. Along the two lateral plates 12 of the fan frame, the upper extension edge 131 and the bottom plate 11 are correspondingly attached. The card slot 221 of the U-shaped groove notch provided by the front end fixing device 2 is correspondingly matched and positioned with the upper positioning support column 133 and the lower positioning support column 111. Then, screws are used to fix and lock through the screw holes 113 provided on the bottom plate 11 and the nut holes 311 provided on the rear end fixing device 3 to complete the fan fixing.

[0035] For the fan frame device 10 of the Ethernet access device described in the present utility model, the fan frame device 10 is divided into three mutually independent parts. The fan 20 forms an integral body through the front-end fixing device 2 and the rear-end fixing device 3, and then it is installed into the fan frame body 1. By limiting and fixing the fan 20 at the front end and locking and fixing the fan 20 at the rear end, the complete fixation of the fan is completed, which is convenient for the installation and disassembly of the fan and can greatly improve the customer experience.

[0036] 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 are within the scope of the claims of the present utility model and equivalent technical scope, then the present utility model also encompasses these modifications and variations.

Claims

1. A fan frame device for Ethernet access equipment, characterized in that: The fan frame comprises a front end fixing device and a rear end fixing device installed on the fan frame for fixing the front and rear end portions of the fan respectively. The fan frame comprises a frame surrounded by a bottom plate, two side plates and a front panel, the upper edge of the front panel is provided with an upper extending edge extending toward the rear end, the front panel is provided with a plurality of heat dissipation holes, the bottom plate is provided with lower positioning support columns and fixing holes, the upper extending edge is provided with a plurality of upper positioning support columns extending toward the inside of the fan frame, the front end fixing device comprises a front end fixing plate with a middle fan ventilation hole and a fan frame hole, the front end fixing plate is provided with a plurality of ear wings at the upper and lower edges, each ear wing is provided with a card slot that can be positioned corresponding to the upper and lower positioning support columns, the rear end fixing device comprises a rear end mounting plate fixedly connected to the bottom plate, and the two ends of the rear end mounting plate are provided with rear end mounting ear plates that can be fixedly connected to the fan housing.

2. The fan frame device of the Ethernet access device according to claim 1, characterized in that: The fan frame is a U-shaped frame, the length of which is 180-190 mm, the width of which is 80-85 mm, the height of which is 80-85 mm, and the four sides of the fan frame are all rounded, with a radius ranging from 1 to 2 mm.

3. The fan frame device of the Ethernet access device according to claim 1, characterized in that: The heat dissipation holes of the front panel are honeycomb-shaped heat dissipation holes, the width of the upper extension edge is in the range of 12 to 15 mm, and two upper positioning support columns are arranged downward at the bottom of the upper extension edge.

4. The fan frame device of the Ethernet access device according to claim 3, characterized in that: Two lower positioning support columns are arranged on the bottom plate, and two screw holes are arranged correspondingly on the rear side thereof, and the hole diameter size range of the screw holes is 3-3.5mm. The tip corner of the rear end of the bottom plate is provided with a bevel edge, and the size range of the bevel edge is 2-3mm.

5. The fan frame device of the Ethernet access device according to claim 1, characterized in that: The rear end edges of the two side plates of the fan frame are provided with guiding bevels inclined 20 degrees toward the inside of the frame, and the folding size of the guiding bevels ranges from 8 to 10 mm.

6. The fan frame device of Ethernet access equipment according to claim 1, characterized in that: The width of the front fixing plate ranges from 80 to 85 mm, the height ranges from 80 to 85 mm, the width of the upper and lower ear wings ranges from 10 to 12 mm, and the slots on the upper and lower ear wings are U-shaped slots with a width range of 2.8 to 3.5 mm and a length of 5 to 7 mm.

7. The fan frame device of Ethernet access equipment according to claim 1, characterized in that: The rear end mounting plate is provided with threaded holes corresponding to the threaded holes on the bottom plate, and the threaded holes are M3; the rear end mounting plate is provided with a plurality of fixing holes for fixing the fans, and the size of the fixing holes is 3.5-4 mm.

8. The fan frame device of Ethernet access equipment according to claim 1, characterized in that: The fan frame is made of electro-galvanized sheet material, and its thickness ranges from 1.0 to 1.2 mm.

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