DCI (Downlink Control Information) equipment capacity expansion type board card frame device

Abstract

The utility model belongs to the technical field of DCI frame type equipment. The DCI equipment capacity expansion type board clamping frame device comprises a board clamping frame body, a front panel with ventilation hole positions and connector hole positions is arranged at the front end of the board clamping frame body, the front panel is provided with limiting bent edges, the board clamping frame body is a U-shaped board and comprises a board clamping frame body plane and side bent edges, and the board clamping frame body plane is provided with a plurality of side bent edges. A guide positioning groove is formed in the plane of the board clamping frame body, ventilation holes and guide inclined faces are arranged on the side bent edges, and the guide inclined faces are arranged on the edges of the rear ends of the two side bent edges. According to the board clamping frame device, the upper, lower, left and right positions of the board clamping frame are limited through the guiding and positioning grooves, and meanwhile, the width size of the guiding and positioning grooves can be adjusted according to a single-groove-position and / or multi-groove-position board frame, so that the groove positions of the board clamping frame are expanded, and the guiding and limiting effects are achieved. In addition, the structure is simple, the price is low, machining is convenient, installation is easy and convenient, the assembly size is stable and reliable, installation is easier and more convenient, and production efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of DCI frame devices, and particularly relates to a DCI device expansion type board card frame device. Background Art

[0002] In the prior art, for the currently well-known DCI expansion type frame devices, due to the variety of board card frames and the inconsistent sizes of different types of board cards, it is difficult to use a frame of one specification to adapt to panel frames of different width sizes. For example, single board cards and multi-fold board cards require different board card frame devices to adapt to panel frames of different width sizes, which increases the difficulty of the equipment installation process, has poor adaptability, and is not convenient for equipment maintenance and debugging.

[0003] It is extremely urgent to develop a DCI device expansion type board card frame device with simple installation that can simultaneously meet the width assembly requirements of single board cards and multi-fold board cards. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a DCI device expansion type board card frame device. The board card frame device has simple installation and can be used in combination with frames of different multiples of board cards; in addition, the board card frame 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] A DCI device expansion type board card frame device described in the utility model includes a board card frame main body for supporting a board card. A front panel with ventilation hole positions and connector hole positions is provided at the front end of the board card frame main body. A limiting bending edge is provided on the front panel of the board card frame. The board card frame main body is a U-shaped plate, which includes a board card frame main body plane and side bending edges on both sides of the board card frame main body plane. A guiding and positioning groove is provided on the board card frame main body plane, a guiding and positioning groove for cooperating with the chassis. A guiding bevel is provided at the tail of the guiding and positioning groove. Ventilation holes and guiding inclined surfaces are provided on the side bending edges. The guiding inclined surfaces are provided at the edges of the rear ends of the two side bending edges.

[0007] As a further improvement of the above technology, the length dimension range of the board card frame body is 255 - 260 mm, the width dimension range is n * 95 - 98 mm, the height dimension range is 40 - 42 mm, and all four sides are chamfered, and the radius dimension range is 1 - 2 mm, where n is the number of slots of the guiding and positioning groove.

[0008] As a further improvement of the above technology, the length dimension range of the guiding positioning groove is 167 - 170 mm, the width dimension range is 3.5 + (n - 1) * 95 - 98 mm, and the dimension of the guiding chamfer angle provided at the tail of the guiding positioning groove is C4 mm, where n is the number of slots of the guiding positioning groove.

[0009] As a further improvement of the above technology, the height dimension of the side bending edge is 30 - 35 mm, and the sharp corner of the bending edge is designed with a rounded corner, and the dimension of this rounded corner is C15 - 20 mm.

[0010] As a further improvement of the above technology, the rear edge of the side bending edge is provided with an inclined bending edge inclined inward by 5 - 10°, and the dimension of the inclined bending edge is a width of 8 - 10 mm and a length of 10 - 15 mm.

[0011] As a further improvement of the above technology, the limiting bending edge on the front panel of the board card frame is an L-shaped bending edge, which is placed on the upper edge of the front panel, and the width of this L-shaped bending edge is 35 - 41 mm.

[0012] In the present utility model, the main body of the board card frame is made of electro-galvanized sheet material, and its thickness range is 1.2 - 1.5 mm.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] (1) In the present utility model, the guiding positioning groove of the board card frame device is provided, which is used for the board card frame to be inserted, pulled out and fixed along the direction of the guiding positioning groove.

[0015] (2) In the present utility model, the width of the guiding positioning groove is set, which is used for the adaptation of the single-slot frame and the multi-slot frame to the frame body, realizing that the slot positions are adapted to board card frames of different widths, and at the same time satisfying the insertion and extraction of the board card frame.

[0016] (3) In the present utility model, the guiding inclined surfaces at the tail ends of the folding edges on both sides of the board card frame are provided, which are used for the guiding function when the board card frame is inserted and pulled out from the frame body.

[0017] (4) The setting of the chamfer at the tail of the guiding positioning groove of the board card frame described in the present utility model is used to cooperate with the guiding device on the frame body for better assembly.

[0018] (5) The board card frame device described in the present utility model has a simple structure and a simple manufacturing process, effectively improving the production efficiency, improving the assembly 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 1Schematic diagram of the structure of the DCI device expansion card frame device described in Embodiment 1 (single-slot card frame);

[0021] Figure 2 Assembly drawing of the DCI device expansion card frame device described in Embodiment 1;

[0022] Figure 3 Schematic diagram of the structure of the DCI device expansion card frame device described in Embodiment 2 (double-slot card frame);

[0023] Figure 4 Assembly drawing of the DCI device expansion card frame device described in Embodiment 2;

[0024] Figure 5 Exploded view of the DCI device expansion card frame device described in Embodiment 2. Detailed implementation manners

[0025] Embodiment 1:

[0026] As Figure 1 shown, a DCI device expansion card frame device 10 of the present utility model includes a card frame main body 11 for supporting a card. A front panel 14 with ventilation hole positions and connector hole positions is provided at the front end of the card frame main body 11. The card frame main body is a U-shaped plate, which includes a card frame main body plane 11 and side bending edges 12 / 13 disposed on both sides of the card frame main body plane. A guiding and positioning groove 16 is provided on the card frame main body plane 11, and the guiding and positioning groove 16 cooperates with the DCI device chassis. A guiding bevel is provided at the tail of the guiding and positioning groove 16. Ventilation holes 121 / 131 and guiding inclined surfaces 122 / 132 are provided on the bending edges 12 / 13 on both sides of the card frame main body plane. The guiding inclined surfaces 122 / 132 are provided at the edges of the rear ends of the two side bending edges 12 / 13. A limiting bending edge 15 is provided at the upper edge of the front panel 14.

[0027] In the present utility model, the length dimension range of the card frame body 10 is 255 - 260 mm, the width dimension range is n * 95 - 98 mm (where n is the number of slots of the guiding and positioning groove, and in this figure, n = 1, that is, the width dimension is 95 - 98 mm), the height dimension range is 40 - 42 mm, and all four sides are chamfered, and the radius dimension range is 1 - 2 mm.

[0028] In the present utility model, a guiding and positioning groove 16 is provided on the card frame main body plane 11. The length dimension range of the guiding and positioning groove 16 is 167 - 170 mm, the width dimension range is 3.5 + (n - 1) * 95 - 98 mm (where n is the number of slots of the guiding and positioning groove, and in this figure, n = 1, that is, the width dimension of the guiding and positioning groove 16 is 3.5 mm). A guiding bevel is provided at the tail of the guiding and positioning groove, and its dimension is C4 mm.

[0029] In the present utility model, the height dimension range of the side bending edges 12 / 13 is 30 - 35 mm. The sharp corners of the side bending edges 12 / 13 are designed with rounded corners, and the dimension of the rounded corners is C15 - 20 mm.

[0030] In the present utility model, an inward guiding inclined surface 122 / 132 with an angle of 5 - 10° is provided at the edge of the rear end of the side folding edges 12 / 13. The dimension of the guiding inclined surface 122 / 132 is a width of 8 - 10 mm and a length of 10 - 12 mm.

[0031] In the present utility model, the main body 10 of the board card frame is made of electro-galvanized sheet material, and its thickness range is 1.2 - 1.5 mm. The manufacturing process is simple and the cost is low.

[0032] The following specifically describes the installation process of the DCI device expansion type board card frame device 10 of the present utility model:

[0033] (1) First, as Figure 2 shown, place the main body 11 of the board card frame of the DCI device expansion type board card frame device 10 on the tray 21 of the chassis frame 20, and insert it into the frame through the guiding action of the guiding inclined surface 122 / 132. The two side folding edges 12 / 13 of the main body 11 of the board card frame slide along the edges 22 / 23 of the chassis frame 20 of the frame into the chassis frame 20. Match the guiding positioning groove 16 with the guiding pin 24 on the frame to guide the DCI device expansion type board card frame device 10 to be inserted into the chassis frame 20 along the corresponding direction;

[0034] (2) Finally, after the guiding positioning groove 16 is fully matched with the positioning support column 25 on the tray 21 of the frame 10, the up - down and left - right movement of the main body 11 of the board card frame is restricted. At the same time, other devices restrict the backward movement of the main body 11 of the board card frame to ensure the stability of the main body 11 of the board card frame.

[0035] Embodiment 2:

[0036] This embodiment is basically the same as the above Embodiment 1, and the difference is that: as Figure 3 shown, the DCI device expansion type board card frame device 10' is a double - slot board card frame, that is, n is 2 above.

[0037] In the present utility model, the width dimension range of the board card frame 10 is n*(95 - 98) mm. At this time, n = 2, and the width dimension range of the board card frame 10' is 190 - 196 mm;

[0038] Moreover, the width of the guiding and positioning groove 16' on the plane 11 of the board card frame body is 3.5 + (n - 1) * 95 - 98 mm = 3.5 + (95 - 98) mm = 98.5 - 101.5 mm, and the width of the guiding and positioning groove 16' is wide enough.

[0039] As Figure 4 , Figure 5 shown, the DCI device expansion board card frame device 10' is inserted into the chassis frame 20, and the guiding and positioning groove 16 is also inserted into the chassis frame 20 along the guiding pins 24 and positioning support columns 25 on the board card frame tray 21.

[0040] The DCI device expansion board card frame device 10 described in this embodiment can be inserted into the chassis frame 20 in two combinations to achieve the combined use of double the number of board card frames and the chassis frame 20.

[0041] For the DCI device expansion board card frame device 10 of the present utility model, guiding and positioning grooves 16 / 16' of corresponding sizes are made on the board card frames with different size widths of the board card frame body 21 to achieve cooperation with the chassis frame 20 and complete the butt - joint of the board cards. This method realizes the butt - joint of board card frames of different sizes with the same type of frame body, facilitates the installation and disassembly of the board card frames, reduces the processing technology and processing costs, and improves the customer experience well.

[0042] The present utility model is not limited to the above - described 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 includes these modifications and variations.

Claims

1. A DCI equipment expansion card frame device, characterized in that: It includes a board card frame body for supporting boards and cards, a front panel with ventilation holes and connector holes is provided at the front end of the board card frame body, the front panel of the board card frame is provided with a limiting bending edge, the board card frame body is a U-shaped plate, which includes a board card frame body plane and side bending edges arranged on both sides of the board card frame body plane, a guide positioning groove is provided on the board card frame body plane, a guide bevel is provided at the tail of the guide positioning groove, ventilation holes and guide bevels are provided on the side bending edges, and the guide bevels are arranged at the edges of the rear ends of the bending edges on both sides.

2. The DCI equipment expandable card frame device according to claim 1, characterized in that: The length dimension range of the board frame is 255-260mm, the width dimension range is n*95-98mm, the height dimension range is 40-42mm, the four sides are all rounded, and the radius dimension range is 1-2mm, where n is the number of guide positioning grooves.

3. The DCI equipment expandable card frame device according to claim 1, characterized in that: The length dimension range of the guide positioning groove is 167 to 170 mm, the width dimension range is 3.5+(n-1)*95 to 98 mm, and the dimension of the guide bevel angle set at the tail of the guide positioning groove is C4 mm, where n is the number of slots of the guide positioning groove.

4. The DCI equipment expandable card frame device according to claim 1, characterized in that: The height dimension of the side bending edge is 30-35 mm, and the sharp corner of the bending edge is rounded, and the dimension of the rounded corner is C15-20 mm.

5. The DCI equipment expandable card frame device according to claim 4, characterized in that: The rear end edge of the side bending edge is provided with an inclined folding edge inclined inwardly by 5 to 10 degrees, and the size of the inclined folding edge is 8 to 10 mm in width and 10 to 15 mm in length.

6. The DCI equipment expandable card frame device according to claim 1, characterized in that: The limiting bending edge on the front panel of the card frame is an L-shaped bending edge, the L-shaped bending edge is placed on the upper edge of the front panel, and the width of the L-shaped bending edge is 35-41 mm.

7. The DCI equipment expandable card frame device according to claim 1, characterized in that: The board frame body is made of electro-galvanized sheet material with a thickness ranging from 1.2 to 1.5 mm.

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