STN equipment plug-in frame device

Abstract

The utility model belongs to the technical field of STN frame type equipment. The STN equipment frame inserting device comprises a tray and a mounting support, a main body of the tray is a U-shaped plate, the tray comprises a tray main body plane and two lateral bent edges, a plurality of gourd-shaped holes and rivet pulling holes are formed in the lateral bent edges, and a positioning guide device is arranged on the tray main body plane; the installation support is an L-shaped plate and comprises an L-shaped vertical face and an L-shaped transverse face, the top end of the L-shaped vertical face is provided with a top bent edge bent inwards, the top bent edge is provided with pulling rivet fixing holes, the L-shaped vertical face is provided with a plurality of third positioning supporting columns and the pulling rivet fixing holes, and the L-shaped transverse face is provided with a positioning supporting column and a plurality of guide pins. The frame inserting device can be rapidly assembled and is compatible with plugging and unplugging, the situation that board card frames of different sizes cannot be mutually inserted is effectively avoided, the installation precision is high, and the overall assembling efficiency and quality of the frame body are improved. The plug-in frame device is simple in structure, simple in manufacturing process and rapid to assemble, 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 STN frame devices, and particularly relates to an STN device plug-in frame device. Background Art

[0002] In the prior art, STN, Smart Transport Network, is a bearer network constructed by China Telecom to meet the 5G bearer requirements, introducing large-capacity devices and new technologies such as SRv6 / Flee on the basis of IPRAN.

[0003] In currently commonly used STN frame devices, the frames in the devices are usually fixed using screws as fasteners. The assembly process is relatively complex, and it is not easy to achieve accurate positioning. Moreover, there are occasions where two types of board cards with different width dimensions are mixed and inserted in the device. Due to the small space, when the height of the device is relatively high, it is very difficult to achieve compatibility for mixed insertion of board cards.

[0004] Therefore, it is extremely urgent to develop an STN device plug-in frame device that is simple to assemble and can switch between two board card forms. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an STN device plug-in frame device. This plug-in frame device can be quickly assembled and is compatible with plugging and unplugging, effectively avoiding the situation where board card frames of different sizes cannot be inserted into each other. It has high installation accuracy. By matching the guide pins / locating support columns with the gourd holes on the tray, the overall assembly efficiency and quality of the frame are improved. The guide pins / locating support columns on the tray cooperate with the sliding grooves of the board card frame to improve the smoothness of board card plugging and unplugging and reduce the processing difficulty of the structure. In addition, this plug-in frame device has a simple structure, a simple manufacturing process, and fast assembly, effectively improving production efficiency and reducing production costs.

[0006] In order to achieve the above technical objectives, the utility model is implemented according to the following technical solutions:

[0007] A STN device insertion frame device described in the utility model includes a tray and mounting brackets fixedly installed on both sides of the tray in left-right symmetry. The tray body is a U-shaped plate, including a tray body plane and lateral bending edges on both sides of the tray body plane. A plurality of gourd holes and rivet holes are provided on the lateral bending edges on both sides of the tray body plane. A plurality of columns of positioning and guiding devices composed of first guiding pins and first positioning support columns are provided on the tray body plane; the mounting bracket is an L-shaped plate, including an L-shaped vertical surface and an L-shaped horizontal surface. The top end of the L-shaped vertical surface is provided with a top bending edge bent inward, and rivet fixing holes are provided on the top bending edge. A plurality of positioning support columns and rivet fixing holes are provided on the L-shaped vertical surface. A rear end bending edge is also provided on the rear side of the L-shaped horizontal surface. A second positioning support column and a plurality of second guiding pins are provided on the L-shaped horizontal surface.

[0008] As a further improvement of the above technology, the rivet holes on the lateral bending edges on both sides of the tray are countersunk rivet holes. The diameter dimension range of the countersunk rivet holes is 3 - 4.5 mm, and the chamfer dimension of the countersunk head is 1.65x30°. The size range of the small holes in the gourd holes is 3 - 3.5 mm, the size of the large holes is 5.5 - 6 mm, and the distance between the centers of the two holes is 6 - 8 mm.

[0009] As a further improvement of the above technology, the two columns of positioning and guiding devices composed of first guiding pins and first positioning support columns provided on the tray body plane are respectively arranged at the 1 / 4 and 3 / 4 positions of the tray width. The positioning support columns are arranged in the front row, and the guiding pins are arranged in the rear row.

[0010] As a further improvement of the above technology, for the first guiding pin and the first positioning support column, the diameter of the guiding pin is 3 - 3.5 mm, and the height is 5 - 6 mm. The inner cylinder diameter of the positioning support column is 2.5 - 3 mm, and the top diameter is 5 - 5.5 mm.

[0011] As a further improvement of the above technology, a plurality of third positioning support columns and rivet fixing holes are provided on the L-shaped vertical surface of the bracket, and their arrangement distance is at a height of 39 - 42 mm from the bottom surface of the bracket. The rivet fixing holes are countersunk rivet holes. Among them, the diameter dimension range of the holes is 3 - 4.5 mm, and the chamfer dimension of the countersunk head is 1.65x30°. The positioning support columns are press-riveted on the bracket;

[0012] As a further improvement of the above technology, a second positioning support column and a plurality of second guiding pins are provided on the L-shaped horizontal surface of the bracket, and the interval distance from the vertical surface of the bracket is 1 / 4 of the tray width.

[0013] In the utility model, the tray and the left and right brackets are both made of electro-galvanized sheet material, and the 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] ⑴ For the plug-in frame device of the present utility model, the positioning support columns and guide pins provided on the plane of the tray body can limit the left-right insertion movement of the board card frame, and the steps of the positioning support columns can limit the up-down movement of the board card frame;

[0016] ⑵ In the present utility model, the positioning support columns and guide pins of the tray are convenient to process, inexpensive, high in precision, and can ensure the integrity of the board;

[0017] ⑶ In the present utility model, the gourd holes and countersunk rivet holes provided on the lateral bending edges on the side of the plane of the tray body are matched with the positioning support columns on the L-shaped cross surface of the mounting bracket for positioning and assembly. After the assembly is completed, the bracket and the tray are locked together with rivets. It is convenient to process, fast to assemble, and improves the processing efficiency.

[0018] ⑷ In the present utility model, the positioning support columns and guide pins symmetrically arranged on the L-shaped cross surface of the bracket are located at a distance of 1 / 4 of the width L of the tray from the vertical surface of the bracket;

[0019] ⑸ This device is inexpensive, high in structural strength, convenient to process and install, and the assembly dimensions are stable and reliable; in addition, the plug-in frame device of this equipment occupies less space, greatly improving the actual experience of customers using the equipment.

[0020] ⑹ In the present utility model, the tray and the mounting brackets on its left and right sides are fastened together by rivets to form an integral body. The structural method is simple, the assembly is convenient, and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following will describe the present utility model in detail with reference to the drawings and specific embodiments:

[0022] Figure 1 is a schematic structural diagram of the tray of the present utility model;

[0023] Figure 2 is the above Figure 1 magnified schematic diagram at A;

[0024] Figure 3 is a schematic structural diagram of the mounting bracket of the present utility model;

[0025] Figure 4 is an assembly schematic diagram of the STN device plug-in frame device of the present utility model;

[0026] Figure 5 is an exploded schematic diagram of the STN device plug-in frame device of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] As Figures 1 to 3 shown, the STN device plug-in frame device 10 of the present utility model includes a tray 11 and mounting brackets 12 symmetrically fixed on both sides of the tray 11. The tray 11 is a U-shaped plate, and the tray 11 includes a tray main plane 111 and side bending edges 112 on both sides. Two columns of guiding devices for guiding and limiting are arranged on the tray main plane 111. The guiding devices include a plurality of first guiding pins 113 and a first positioning support column 114. A calabash hole 115 and a countersunk rivet hole 116 are arranged on the side bending edge 112; the mounting bracket 12 is an L-shaped plate, which includes an L-shaped horizontal surface 121 and an L-shaped vertical surface 122. A column of guiding devices composed of a second guiding pin 124 and a second positioning support column 125 is arranged on the L-shaped horizontal surface 121. The top end of the L-shaped vertical surface 122 is provided with a top bending edge 123 bent inward. A plurality of rivet mounting holes for fixing the top of the mounting bracket 12 are arranged on the top bending edge 123. A positioning and fixing device composed of a third positioning support column 126 and a rivet mounting hole 127 is arranged on the L-shaped vertical surface 122. A rear end bending edge 128 is also arranged on the rear side of the L-shaped horizontal surface.

[0028] In the present utility model, as Figure 1 shown, for the two columns of guiding devices arranged on the tray main plane 111, the distance between the guiding devices and the front end of the tray main plane 111 is 90 - 95 mm, the total length of the whole column of guiding devices is 135 - 140 mm, the distance between adjacent first guiding pins 113 is 45 - 50 mm, the positioning support column 114 is arranged at the first position of the whole column of guiding columns, and a plurality of first guiding pins 113 are arranged behind. The distances from the centers of the two columns of guiding devices to the edge of one side of the tray main plane 111 are 1 / 4 and 3 / 4 of the width of the tray 11 respectively.

[0029] In the present utility model, as Figure 1 shown, a plurality of calabash holes 115 and rivet mounting holes 116 are arranged on the side bending edges 112 on both sides of the tray 11. The rivet mounting hole 116 is a countersunk rivet hole. Among them, the hole diameter size range is 3 - 4.5 mm, and the chamfer size of its countersunk head is 1.65 x 30°. The small hole diameter range of the calabash hole 115 is 3 - 3.5 mm, the large hole diameter range is 5 - 5.5 mm, the distance between the two holes is 6 - 8 mm, and they are arranged horizontally centered and vertically evenly.

[0030] In the present utility model, as Figure 2As shown in the figure, the mounting bracket 12 is an L-shaped plate. On its L-shaped horizontal surface 121, there is a guiding device composed of a row of several second guiding pins 124 and a second positioning support column 125. The distance between the guiding column and the front end of the tray is 90 - 95 mm. The length of the whole row of guiding columns is 135 - 140 mm. The distance between adjacent second guiding pins 124 is 45 - 50 mm. The positioning support column 114 is arranged at the first position of the whole row of guiding devices. A plurality of second guiding pins 124 are arranged in sequence behind the positioning support column 114. The distance from the guiding device to one side edge of the L-shaped horizontal surface 121 is 1 / 4 of the width of the L-shaped horizontal surface 121.

[0031] In the present utility model, as Figure 2 shown, on the L-shaped vertical surface 122, there is a positioning and fixing device composed of several third positioning support columns 126 and a rivet installation hole 127. This positioning and fixing device is arranged at a position 39 - 42 mm away from the bottom edge of the L-shaped vertical surface 122. The rivet installation hole 127 is 30 - 35 mm away from the edge of the L-shaped vertical surface 122. The distance between adjacent third positioning support columns 126 is 60 - 65 mm.

[0032] In the present utility model, the tray 11 and the left and right mounting brackets 12 are both made of electro-galvanized sheet material, and their thickness ranges from 1.0 to 1.2 mm. During assembly, first fix them through the positioning support columns, and then lock them tightly with rivets. The installation is convenient and fast, and the manufacturing process is simple.

[0033] In the present utility model, the corners of each bent edge are all designed with rounded corners, and the radius size ranges from 1 to 2 mm.

[0034] The following specifically describes the installation process of the plug-in frame device 10 of the present utility model:

[0035] (1) First, as Figure 3 、 Figure 4 shown, assemble the third positioning support columns 126 on the left and right mounting brackets 12 on the plug-in frame device 10 with the gourd holes 115 on the tray 11, and then cooperate and rivet-lock through the rivet installation hole 127 and the rivet installation hole 116 on the tray;

[0036] (2) Then, guide and assemble a set of board card frames through the positioning support columns 114 and the first guiding pins 113 on the plug-in frame. The positioning support column 114 simultaneously limits the up and down movement of the board card frame.

[0037] For the plug-in frame device 10 described in the present utility model, a number of countersunk rivet holes provided on the mounting bracket 12 are used to fix the plug-in frame device to the housing. The arrangement of each countersunk rivet mounting hole avoids excessive screw protrusions being exposed on the outer shell, ensuring the smooth insertion of the board card frame; in addition, the arrangement of each guiding device of the plug-in frame device is used for the installation guidance and sliding of the board card frame, providing guarantee for the accuracy of installation, making the installation more convenient, and moreover, this structural method is more convenient for processing, does not require mold opening, reduces the processing cost, improves the product performance, and can well enhance the customer's use 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, then the present utility model also encompasses these modifications and variations.

Claims

1. A STN equipment frame device, characterized in that: It includes a pallet and a mounting bracket fixedly installed on both sides of the pallet in a left-right symmetrical manner, the pallet body is a U-shaped plate, including a pallet body plane and lateral bending edges on both sides of the pallet body plane, the lateral bending edges on both sides of the pallet body plane are provided with a plurality of gourd holes and rivet holes, and the pallet body plane is provided with a plurality of rows of positioning guide devices consisting of a first guide pin and a second positioning support column; the mounting bracket is an L-shaped plate, including an L-shaped vertical surface and an L-shaped horizontal surface, the top end of the L-shaped vertical surface is provided with a top bending edge bent inwardly, the top bending edge is provided with a rivet fixing hole, a plurality of third positioning support columns and rivet fixing holes are provided on the L-shaped vertical surface, a rear end bending edge is also provided on the rear side of the L-shaped horizontal surface, and a positioning support column and a plurality of guide pins are provided on the L-shaped horizontal surface.

2. The STN equipment frame inserting device according to claim 1, characterized in that: The rivet holes on the lateral bending edges on both sides of the pallet are countersunk rivet holes, the diameter of the countersunk rivet holes ranges from 3 to 4.5 mm, the chamfer size of the countersunk head is 1.65x30°, the small hole size of the gourd hole ranges from 3 to 3.5 mm, the large hole size is 5.5 to 6 mm, and the distance between the centers of the two holes is 6 to 8 mm.

3. The STN equipment frame inserting device according to claim 1, characterized in that: Two rows of positioning guide devices consisting of first guide pins and first positioning support columns are provided on the plane of the pallet main body, which are respectively arranged at 1 / 4 and 3 / 4 of the width L of the plane of the pallet main body, the first positioning support columns are arranged in the front row, and the first guide pins are arranged in the back row.

4. The STN equipment frame inserting device according to claim 3, characterized in that: The first guide pin has a diameter of 3 to 3.5 mm and a height of 5 to 6 mm. The inner cylindrical diameter of the first positioning support column is 2.5 to 3 mm and the top diameter is 5 to 5.5 mm.

5. The STN equipment frame inserting device according to claim 1, characterized in that: A plurality of second positioning support columns and rivet fixing holes are arranged on the L-shaped vertical surface of the bracket, and are arranged at a height of 39 to 42 mm from the bottom surface of the bracket. The rivet fixing holes are countersunk rivet holes with a hole diameter ranging from 3 to 4.5 mm. The chamfer size of the countersunk head is 1.65x30°, and the positioning support columns are press-riveted on the bracket.

6. The STN equipment frame device according to claim 1, characterized in that: A first positioning support column and a plurality of first guide pins are arranged on the L-shaped transverse surface, and the spacing distance between them and the vertical surface of the bracket is 1 / 4 of the width of the tray.

7. The STN equipment frame inserting device according to claim 1, characterized in that: The width of the top bending edge of the L-shaped transverse surface ranges from 65 to 70 mm.

8. The STN equipment frame inserting device according to claim 1, characterized in that: The tray and the mounting brackets on the left and right sides are all made of electro-galvanized sheet material with a thickness ranging from 1.0 to 1.2 mm.

Images