Ethernet access equipment board card support device
By designing an Ethernet access equipment board and card support device using U-shaped board and guide device, the problems of high production costs and poor heat dissipation effect in the prior art are solved, and simple installation and improved heat dissipation ability are achieved.
Patent Information
- Application Number
- CN202421946020.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing Ethernet access equipment board and card bracket device requires stamping molding during installation, resulting in high production costs and reduced heat dissipation hole size, affecting the heat dissipation effect.
A board and card support device for Ethernet access equipment is designed, using U-shaped plates as the support body, two rows of uniformly distributed heat dissipation holes are set, and a guide device is set on the support body to simplify the installation process of the board.
It achieves simplicity of installation and increased heat dissipation hole size, improves the ventilation and heat dissipation capacity of the equipment, reduces production costs, and improves the service life of the product.
Smart Images
Figure CN223024813U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of Ethernet access devices, and particularly relates to a board card support device for an Ethernet access device. Background Art
[0002] In the prior art, a U-shaped groove formed by a stamping die is used for installing a board card. It is necessary to manufacture a stamping die and perform stamping, which increases production costs. At the same time, stamping causes the hole size of the support to decrease, reducing the ventilation volume and affecting the heat dissipation effect.
[0003] Therefore, it is extremely urgent to develop a board card support device for an Ethernet access device that is easy to install, has an increased heat dissipation hole size, and is inexpensive. Summary of the Utility Model
[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a board card support device for an Ethernet access device. This support device is easy to install and suitable for small-batch products. In addition, the support device has a simple structure and a simple manufacturing process, effectively improving production efficiency and reducing production costs.
[0005] In order to achieve the above technical purpose, the utility model is implemented according to the following technical solutions:
[0006] The board card support device for an Ethernet access device described in the utility model includes a support body for supporting the board card, including a support body plane, a top bending edge at the top of the support body plane, and a bottom bending edge at the top of the support body plane. Fixed threaded holes are provided on both the top bending edge and the bottom bending edge. A number of ventilation holes are evenly distributed on the support body plane, and they are evenly distributed on the main body plane. A number of groups of guiding devices for guiding the board card to be inserted are provided at positions adjacent to the ends of the ventilation holes on the main body plane. A left bending edge is provided on the left side of the support body plane, and a number of board card panel fixing holes and board card slots are provided on the left bending edge. A right bending edge is provided on the right side of the support body plane, and studs for fixing the backplane are provided on the right bending edge.
[0007] As a further improvement of the above technology, the support body is a U-shaped plate. The length dimension of the support body plane is 260 - 265 mm, the width dimension is 108 - 110 mm, and the thickness dimension is 10 - 12 mm. All four sides are chamfered, and the radius dimension of the chamfer is in the range of 1 - 2 mm.
[0008] As a further improvement of the above technology, the ventilation holes on the support body plane are arranged in two evenly distributed columns. The spacing between the two columns of ventilation holes is 100 - 102 mm. The length dimension of the ventilation holes is 65 - 70 mm, and the width dimension of the ventilation holes is 16 - 18 mm.
[0009] As a further improvement of the above technology, the guiding device arranged on the plane of the bracket body is composed of two rows of guiding pins, upper and lower. Two rows of guiding pins are arranged below each ventilation hole for guiding. The two rows of guiding pins are arranged in a trapezoidal layout on both sides of the ventilation opening. Among them, the spacing dimension of the upper row of guiding pins is 78 - 80 mm, the spacing of the lower row of guiding pins is 80 - 82 mm, the spacing dimension between the upper and lower rows of guiding pins is 5 - 6 mm, the diameter of each guiding pin is 3 - 3.5 mm, and the height dimension is 5 - 6 mm.
[0010] As a further improvement of the above technology, the threaded holes for fixing with the shell are provided on the top bending edge and the bottom bending edge. The threaded holes are M3 flanging holes, and the flanging is inward.
[0011] As a further improvement of the above technology, the width of the left bending edge is 10 - 12 mm, and five board card slots and five board card panel fixing holes are provided on the bending edge.
[0012] As a further improvement of the above technology, the width of the right bending edge is 10 - 12 mm, and three stud bolts for fixing the back plate are provided on the right bending edge. The stud bolts are press riveting stud bolts, and the height of the stud bolts is 6 - 6.5 mm.
[0013] In the present utility model, the bracket body is made of electro-galvanized sheet material, and its thickness range is 1.2 - 1.5 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, two rows of heat dissipation holes are provided in the board card bracket device, the occupied structural space of the board card guiding device is reduced, leaving a larger area of space for ventilation and heat dissipation of the equipment, and improving the ventilation and heat dissipation capacity of the equipment;
[0016] (2) In the present utility model, the guiding and supporting device of the board card bracket device is provided for guiding and supporting the board card, so as to facilitate the board card to be inserted into the chassis along the predetermined track and perform butt - insertion with the back plate, making the installation process simpler and more convenient;
[0017] (3) For the board card bracket device of the present utility model, guiding pins are used as the board card guiding and positioning device, and the processing is more convenient;
[0018] (4) The setting of the board card bracket device of the present utility model has 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 drawings and specific embodiments:
[0020] Figure 1It is a schematic structural diagram of the board card support device of the Ethernet access device described in the present utility model;
[0021] Figure 2 It is an assembly side sectional view of the support device installing the Ethernet access device described in the present utility model;
[0022] Figure 3 It is the above Figure 2 Enlarged schematic view at position A;
[0023] Figure 4 It is an assembly front sectional view of the support device installing the Ethernet access device described in the present utility model;
[0024] Figure 5 It is the above Figure 4 Enlarged schematic view at position B. Specific embodiments
[0025] As Figures 1 to 3 shown, the board card support device 10 of the Ethernet access device described in the present utility model includes a support main body for supporting the board card, including a support main body plane 11, a top bending edge 12 placed at the top of the support main body plane 11, and a bottom bending edge 13 placed at the top of the support main body plane 11. Fixed threaded holes 121 / 131 are provided on both the top bending edge 12 and the bottom bending edge 13; a plurality of ventilation holes 111 are evenly distributed on the support main body plane 11, and they are evenly distributed on the support main body plane 11; a plurality of groups of guiding devices for guiding when the board card is inserted are provided at both ends of the main body plane 11 adjacent to the ventilation holes 111. A left bending edge 14 is provided on the left side of the support main body plane 11, and a plurality of board card panel fixing holes 141 and board card slots 142 are provided on the left bending edge 14. A right bending edge 15 is provided on the right side of the support main body plane 11, and a stud 151 for fixing the backplane is provided on the right bending edge 15.
[0026] In the present utility model, the support main body is a U-shaped plate. The length dimension of the support main body plane 11 is 260 - 265 mm, the width dimension is 108 - 110 mm, and the thickness dimension is 10 - 12 mm. The four sides of the top bending edge 12, the bottom bending edge 13, the left bending edge 14, and the right bending edge 15 are all bent at 90°, and the four sides are all rounded. The radius dimension range of the rounded corners is 1 - 2 mm.
[0027] In the present utility model, the ventilation holes 111 on the support main body plane 11 are arranged in two evenly distributed columns. The distance between the two columns of ventilation holes 111 is 100 - 102 mm. The two ends of the ventilation holes 111 are tapered. The length dimension of the ventilation holes 111 is 65 - 70 mm, and the width dimension of the ventilation holes 111 is 16 - 18 mm.
[0028] The guiding device arranged on the plane 11 of the bracket main body includes two rows of guiding pins 112, upper and lower. Two rows of guiding pins 112 are arranged under each ventilation hole 111 for guiding. The upper and lower guiding pins 112 are trapezoidally arranged on both sides of the ventilation opening. Among them, the distance between the upper row of guiding pins is 78 - 80 mm, the distance between the lower row of guiding pins is 80 - 82 mm, the distance between the upper and lower rows of guiding pins 112 is 5 - 6 mm, the diameter of each guiding pin 112 is 3 - 3.5 mm, and the height dimension is 5 - 6 mm.
[0029] The threaded holes for fixing with the housing arranged on the top bending edge 12 and the bottom bending edge 13 are M3 flanging holes, and the flanging is inward.
[0030] The width of the left bending edge 14 is 10 - 12 mm, and five board card slots 142 and five board card panel fixing holes 141 are arranged on the left bending edge 14.
[0031] The width of the right bending edge 15 is 10 - 12 mm, and three stud bolts 151 for fixing the back plate are arranged on the right bending edge 15. The stud bolts 151 are press - riveted stud bolts, and the height of the stud bolts 151 is 6 - 6.5 mm.
[0032] In the present utility model, the bracket main body is made of electro - galvanized sheet material, and its thickness range is 1.2 - 1.5 mm. It has the advantages of light weight, small volume, simple manufacturing process, and low cost.
[0033] As Figure 4 、 Figure 5 shown, during installation, the plane 11 of the bracket main body is installed on both sides of the bottom shell 30 and fixed through the flanging hole 131 on the bottom bending edge 13 of the bracket, and the upper shell 40 is fixed with the flanging hole 121 on the top bending edge 12 of the bracket 10.
[0034] As Figure 2 、 Figure 3 shown, the back plate 30 is fixed with the plane 11 of the bracket main body and connected through the stud bolts 151 arranged on the right bending edge 15; the board card 20 is inserted into the inside of the frame along the board card slot 142 on the left bending edge 14 of the plane 11 of the bracket main body, contacts with the guiding pins 112 arranged on the bracket main body 11, is inserted into the inside of the frame along the direction of the guiding support device arranged on both sides of the bracket, and then is fixedly connected with the back plate 40 together.
[0035] The following specifically describes the installation process of the Ethernet access device board card bracket device 10 and the assembly process with the board card 20 of the present utility model.
[0036] (1) First, as Figure 4 、 Figure 5As shown in the figure, the Ethernet access device board card support device 10 is installed on both sides of the bottom case 30 and fixed through the threaded holes 131 (flanging holes) on the bottom bending edge 13. The upper case 40 is fixed to the threaded holes 131 (flanging holes) on the top bending edge 12 to form a complete frame body;
[0037] (2) Finally, as Figure 2 、 Figure 3 shown, the board card 20 is inserted into the frame body along the board card slot 142 on the left bending edge 14 of the support body, contacts the guide pin 112 provided on the support body plane 11, and is inserted into the frame body along the direction of the guide support device (guide pin) on both sides of the Ethernet access device board card support device 10 and is connected to the backplane 40.
[0038] For the Ethernet access device board card support device 10 of the present utility model, the row of guide pins 112 provided on the board card support body plane 11 form a track for board card assembly. The overall structure is simple, the processing technology is simple, the area of the guide rail is reduced while the area of the heat dissipation holes is increased, the heat dissipation capacity of the overall chassis is improved, and the service life of the product can be well improved and the processing cost of the product can be reduced.
[0039] The present utility model is not limited to the above embodiments. If various changes or modifications to the present utility model do not depart from the spirit and scope of the present utility model, and if these changes and modifications fall within the scope of the claims of the present utility model and equivalent technical scope, then the present utility model also includes these changes and modifications.
Claims
1. A board bracket device for Ethernet access equipment, characterized in that: It comprises a bracket body for supporting boards and cards, including a bracket body plane, a top bent edge at the top of the bracket body plane and a bottom bent edge at the top of the bracket body plane, wherein the top bent edge and the bottom bent edge are both provided with threaded holes for fixing; a plurality of ventilation holes are evenly distributed on the bracket body plane, and are evenly distributed on the main body plane; a plurality of guide devices for guiding the board and card when being loaded are provided on the main body plane adjacent to the end positions of the ventilation holes, a left bent edge is provided on the left side of the bracket body plane, a plurality of board and card panel fixing holes and board and card slots are provided on the left bent edge, a right bent edge is provided on the right side of the bracket body plane, and a stud for fixing the back panel is provided on the right bent edge.
2. The Ethernet access device board bracket device according to claim 1, characterized in that: The bracket body is a U-shaped plate, the length dimension of the bracket body plane is 260-265mm, the width dimension is 108-110mm, the thickness dimension is 10-12mm, and the four sides are all chamfered, and the radius of the chamfered corners ranges from 1 to 2mm.
3. The Ethernet access device board bracket device according to claim 1, characterized in that: The ventilation holes on the plane of the bracket body are evenly arranged in two rows, the spacing between the two rows of ventilation holes is 100-102 mm, the length of the ventilation holes is 65-70 mm, and the width of the ventilation holes is 16-18 mm.
4. The Ethernet access device board bracket device according to claim 1, characterized in that: The guide device includes two rows of guide pins, which are arranged on the lower side of each ventilation hole for guidance. The upper and lower rows of guide pins are arranged in a trapezoidal shape on both sides of the ventilation hole, wherein the spacing between the upper row of guide pins is 78 to 80 mm, the spacing between the lower row of guide pins is 80 to 82 mm, the spacing between the upper and lower rows of guide pins is 5 to 6 mm, the diameter of each guide pin is 3 to 3.5 mm, and the height is 5 to 6 mm.
5. The Ethernet access device board bracket device according to any one of claims 1 to 4, characterized in that: The top bending edge and the bottom bending edge are provided with threaded holes fixed to the shell, and the threaded holes are M3 flanging holes with the flanging facing inwards.
6. The Ethernet access device board bracket device according to claim 5, characterized in that: The width of the left bending edge is 10-12 mm, and five board card slots and five board card panel fixing holes are arranged on the bending edge.
7. The Ethernet access device board bracket device according to claim 5, characterized in that: The width of the right bending edge is 10-12 mm, and three back plate fixing studs are arranged on the right bending edge. The studs are riveted studs, and the height of the studs is 6-6.5 mm.
8. The Ethernet access device board bracket device according to claim 1, characterized in that: The support body is made of electro-galvanized sheet material with a thickness ranging from 1.2 to 1.5 mm.