DCI box type equipment rapid assembly shell device

Abstract

The utility model belongs to the technical field of DCI box type equipment. The DCI box type equipment fast assembling shell device comprises an upper shell and a lower shell, the upper shell comprises a left side plate, a right side plate, a front panel and a top plate, a plurality of first positioning supporting columns are arranged at the front end of the inner surface of the top plate, and the left side plate and the right side plate are each provided with a plurality of heat dissipation ventilation holes and a plurality of second positioning supporting columns. The lower shell comprises a bottom plate, a front side plate, a rear back plate, a left side plate and a right side plate, the top of the rear back plate is provided with a lap joint panel which is in lap joint with the top plate, the left side plate and the right side plate are each provided with a ventilation open groove and a guide groove, the lap joint panel is provided with a plurality of long-strip-shaped open holes and open grooves, shielding elastic pieces are installed in the long-strip-shaped open holes, and the shielding elastic pieces are arranged in the open grooves. Side bent edges are arranged on the back plate towards the two side edges, and pull rivet fixing holes are formed in the side bent edges. The shell device is convenient to assemble, the use of screws is reduced, the appearance is optimized, the electromagnetic shielding effect of equipment is enhanced through the shielding elastic sheet, in addition, 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 DCI cassette devices, and particularly relates to a quick assembly shell device for a DCI cassette device. Background Art

[0002] In the prior art, when installing the shell of a DCI cassette device, it is fixed by screws. There are many screws, and the installation and disassembly are relatively cumbersome. At the same time, when there is no fixed top, the upper cover will bulge upward, greatly affecting the appearance and electromagnetic shielding performance of the product.

[0003] Therefore, it is extremely urgent to develop a quick assembly shell device for a DCI cassette device that is easy to install, can ensure the tight fit of the upper shell and the lower shell, and can improve the electromagnetic shielding performance. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a quick assembly shell device for a DCI cassette device. The shell device is easy to install, and the upper shell and the lower shell are tightly fitted and can improve the electromagnetic shielding performance. In addition, the shell 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 realized according to the following technical solutions:

[0006] The quick assembly shell device for a DCI cassette device described in the utility model includes an upper shell and a lower shell. The upper shell includes a left side plate, a right side plate, a front panel, and a top plate. A plurality of first positioning support columns are press riveted at the front end of the inner surface of the top plate. A plurality of heat dissipation ventilation holes and a plurality of second positioning support columns are press riveted on both the left side plate and the right side plate. A plurality of screw holes are provided on the front panel. The lower shell includes a bottom plate, a front side plate, a rear back plate, a left side plate, and a right side plate. A lapping panel that overlaps with the top plate of the upper shell is provided at the top of the rear back plate. Ventilation slots and guide slots corresponding to the second positioning support columns are provided on both the left side plate and the right side plate. A plurality of long strip openings and an opening slot for clamping the first positioning support columns are provided on the lapping panel. Shielding elastic pieces are installed in the long strip openings. Side bending edges are provided on both sides of the rear back plate towards the two side edges of the left side plate and the right side plate. Riveting fixing holes are provided on the side bending edges.

[0007] As a further improvement of the above technology, the heat dissipation ventilation holes on the left and right side plates of the upper shell are honeycomb-shaped heat dissipation holes.

[0008] As a further improvement of the technology, a number of second positioning support columns are provided on the left and right side plates of the upper shell. The distance between adjacent second positioning support columns ranges from 135 to 140 mm, and the distance from the bottom edges of the left and right side plates is 8 to 10 mm. The second positioning support column is a cylindrical structure that is thinner in the middle and thicker at both ends. Its overall length ranges from 3.5 to 4 mm, the diameter of the cylindrical end for press riveting ranges from 5.5 to 6 mm, the diameter of the middle cylinder is 2.5 to 3 mm, and the diameter of the uppermost cylinder is 4.5 to 5 mm.

[0009] As a further improvement of the technology, the front panel of the upper shell is formed by bending the front edges of the left and right side plates forward. A number of screw holes are provided on the front panel. The diameter range of the screw holes is 3.5 to 4 mm, and the screw holes are provided with 90° counterbores.

[0010] As a further improvement of the technology, the length dimension of the upper shell is 220 to 221 mm, its width dimension is 168 to 170 mm, its height dimension is 42 to 44 mm, and all four sides are chamfered with a radius dimension ranging from 1 to 2 mm.

[0011] As a further improvement of the technology, the guide grooves provided on the left and right side plates are U-shaped grooves with a diameter of 3 to 3.5 mm and a length of 8 to 12 mm.

[0012] As a further improvement of the technology, the overlapping panel is a Z-shaped bending plate with a Z-shaped cross-section. The width dimension of the Z-shaped bending plate is 20 to 25 mm, the height dimension of the Z-shaped step of the Z-shaped bending plate is 1.3 to 1.5 mm. Two rows of rectangular openings are provided on the Z-shaped bending plate, with an opening length dimension of 15 to 16 mm and a width dimension ranging from 1.0 to 1.2 mm. The opening groove on the overlapping panel is a U-shaped opening groove that cooperates with the first positioning support column on the top plate of the upper shell for sliding.

[0013] As a further improvement of the technology, the height dimension of the front side plate of the lower shell is 40 to 42 mm. A number of nut holes corresponding to the screw holes on the front panel of the upper shell are provided on the front side plate. The nuts are 8 to 10 mm from the bottom edge, and the hole spacing is 95 to 100 mm.

[0014] As a further improvement of the technology, the length dimension of the lower shell is 217 to 218 mm, and the width dimension is 177 to 178 mm. The ventilation slots provided on the left and right side plates correspond to the positions of the heat dissipation ventilation holes. The length dimension range of the ventilation slots is 105 to 110 mm, and the width dimension is 35 to 37 mm.

[0015] In the present utility model, the housing device is made of electro-galvanized sheet material with a thickness range of 1.0 to 1.2 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, the housing device is guided and limited by the first positioning support columns and the second positioning support columns on the upper housing and the corresponding opening grooves and guiding grooves on the lower housing, and then locked by a smaller number of screws, which reduces the assembly difficulty, improves the accuracy and assembly efficiency during assembly. In addition, the number of screws is also reduced, enhancing the appearance effect of the product;

[0018] (2) In the present utility model, the housing device is spliced by a lapping panel at the joint of the upper housing and the lower housing, increasing the contact area between the upper housing and the lower housing, and at the same time being provided with shielding spring pieces, effectively improving the electromagnetic shielding effect of the housing;

[0019] (3) The housing 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

[0020] The following detailed description of the present utility model is given in conjunction with the drawings and specific embodiments:

[0021] Figure 1 It is a schematic structural diagram of the quick-assembly housing device of the DCI cassette device of the present utility model;

[0022] Figure 2 It is a schematic structural diagram of the upper housing of the present utility model;

[0023] Figure 3 It is a schematic side sectional view of the quick-assembly housing device of the DCI cassette device of the present utility model;

[0024] Figure 4 It is a schematic assembly process diagram of the quick-assembly housing device of the DCI cassette device of the present utility model. Detailed Embodiments

[0025] Such as Figures 1 to 4As shown in the figure, the quick assembly housing device of the DCI cassette device of the present utility model includes an upper shell 1 and a lower shell. The upper shell 1 includes a left side plate 11, a right side plate 12, a front panel 13, and a top plate 14. At the front end of the inner surface of the top plate 14, a number of first positioning support columns 3 are press riveted. A number of heat dissipation ventilation holes 111 / 121 are provided on both the left side plate 11 and the right side plate 12, and a number of second positioning support columns 4 are press riveted. A number of screw holes 131 are provided on the front panel 13. The lower shell 2 includes a bottom plate 21, a front side plate 22, a rear back plate 23, a left side plate 24, and a right side plate 25. At the top of the rear back plate 23, there is a lapping panel 26 that overlaps with the top plate 14 of the upper shell 1. Ventilation slots 241 / 251 and guide slots 242 / 252 corresponding to the second positioning support columns 4 are provided on both the left side plate 24 and the right side plate 25. A number of long strip openings 261 and an opening slot 262 for clamping the first positioning support column 3 are provided on the lapping panel 26. A shielding elastic sheet 5 is installed in the long strip opening 261. On both sides of the rear back plate 23, side bending edges 27 extend towards the edges of the left side plate 24 and the right side plate 25, and riveting fixing holes 271 are provided on the side bending edges 27.

[0026] In the present utility model, the heat dissipation ventilation holes 111 / 121 on the left and right side plates 12 of the upper shell 1 are honeycomb-shaped heat dissipation holes. For the number of second positioning support columns 4 provided on the left side plate 11 and the right side plate 12 of the upper shell 1, the spacing range between adjacent second positioning support columns 4 is 135 - 140 mm, the distance from the bottom edge of the left side plate 11 and the right side plate 12 is 8 - 10 mm. The second positioning support column 4 is a cylindrical structure with a thin middle and thick ends. Its overall length range is 3.5 - 4 mm, the diameter of the cylindrical press riveting end ranges from 5.5 - 6 mm, the diameter of the middle cylinder is 2.5 - 3 mm, and the diameter of the uppermost cylinder is 4.5 - 5 mm.

[0027] As Figure 3 As shown in the figure, the front panel 13 of the upper shell 1 is formed by bending the front edges of the left side plate 11 and the right side plate 12. A number of screw holes 131 are provided on the front panel 13. The diameter range of the screw holes 131 is 3.5 - 4 mm, and the screw holes 131 are provided with 90° counterbores.

[0028] In the present utility model, the length dimension of the upper shell 1 is 220 - 221 mm, its width dimension is 168 - 170 mm, its height dimension is 42 - 44 mm, and all four sides are chamfered with a radius dimension range of 1 - 2 mm. The guide slots 242 / 252 provided on the left side plate 24 and the right side plate 25 are U-shaped slots with a diameter of 3 - 3.5 mm and a length of 8 - 12 mm.

[0029] The overlapping panel 26 is a Z-shaped bending plate with a Z-shaped cross-section. The width dimension of the Z-shaped bending plate is 20 - 25 mm, the Z-shaped step height dimension of the Z-shaped bending plate is 1.3 - 1.5 mm. There are two rows of rectangular openings on the Z-shaped bending plate, the opening length dimension is 15 - 16 mm, and the width dimension range is 1.0 - 1.2 mm. The opening groove 262 on the overlapping panel 26 is a U-shaped opening groove, and this U-shaped opening groove cooperates with the first positioning support column 3 on the top plate 14 of the upper shell 1 for sliding.

[0030] The height dimension of the front side plate 22 of the lower shell 2 is 40 - 42 mm. There are a number of nut holes on the front side plate 22 corresponding to the screw holes 131 on the front panel 13 of the upper shell 1. The nuts are 8 - 10 mm from the bottom edge, and the hole spacing is 95 - 100 mm.

[0031] The length dimension of the lower shell 2 is 217 - 218 mm, and the width dimension is 177 - 178 mm. The ventilation slots 241 / 251 provided on the left side plate 24 and the right side plate 25 correspond to the positions of the heat dissipation ventilation holes 111 / 121. The length dimension range of the ventilation slots 241 / 251 is 105 - 110 mm, and the width dimension is 35 - 37 mm.

[0032] In the present utility model, the upper shell 1 and the lower shell 2 of the housing device are made of electro-galvanized sheet material, and the thickness range is 1.0 - 1.2 mm. It has a light weight, a small volume, a simple manufacturing process, and a low cost.

[0033] The following specifically describes the installation process of the quick-assembly housing device of the DCI cassette device of the present utility model:

[0034] (1) First, as Figure 1 shown, respectively press and rivet the corresponding first positioning support column 3 and the second positioning support column 4 on the top plate 14, the left side plate 11 and the right side plate 12 of the upper shell 1;

[0035] (2) Then, buckle the upper shell 1 on the lower shell 2. The second positioning support column 4 on the upper shell 1 cooperates with the left and right guiding grooves 242 / 252 on the lower shell 2 for sliding assembly. The first positioning support column 3 on the top plate 14 of the upper shell 1 cooperates with the opening groove 262 on the overlapping panel 26 of the lower shell 2. At the same time, the shielding spring piece 5 is clamped between the two. The screw passes through the screw hole 131 on the front side plate 13 of the upper shell 1 and is locked on the threaded hole 221 on the front end plate 22 of the lower shell 2 to complete the work of locking the upper shell 1 and the lower shell 2.

[0036] The quick-assembly housing device of the DCI cassette device described in the present utility model. The housing device is divided into two parts: an upper housing 1 and a lower housing 2, and the two are assembled by means of nested cooperation. The first positioning support column 3 and the second positioning support column 4 can both achieve the functions of guiding and limiting, and can quickly and accurately assemble the upper housing 1 and the lower housing 2. The use of a shielding spring piece 5 increases the contact area between the upper housing 1 and the lower housing 2, with a firm structure and improved electromagnetic shielding performance, which can well enhance the customer's use experience.

[0037] 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 provided that 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 encompasses these changes and modifications.

Claims

1. A quick-assembly housing device for a DCI cassette device, characterized in that: It includes an upper shell and a lower shell. The upper shell includes a left side plate, a right side plate, a front panel, and a top plate. At the front end of the inner surface of the top plate, several first positioning support columns are press riveted. On both the left side plate and the right side plate, several heat dissipation ventilation holes are provided and several second positioning support columns are press riveted. On the front panel, several screw holes are provided; The lower shell includes a bottom plate, a front side plate, a rear back plate, a left side plate, and a right side plate. At the top of the rear back plate, there is a lapping panel that overlaps with the top plate of the upper shell. On both the left side plate and the right side plate, ventilation slots and guide slots corresponding to the second positioning support columns are provided. On the lapping panel, several long strip openings and an opening slot for clamping the first positioning support column are provided. A shielding elastic sheet is installed in the long strip openings. On both sides of the rear back plate, side bending edges are provided towards the two side edges of the left side plate and the right side plate. On the side bending edges, riveting fixing holes are provided.

2. The quick-assembly housing device for a DCI cassette device according to claim 1, wherein: The heat dissipation ventilation holes on the left and right side plates of the upper shell are honeycomb-shaped heat dissipation holes.

3. The quick-assembly housing device for the DCI cassette device according to claim 1, characterized in that: For the several second positioning support columns provided on the left side plate and the right side plate of the upper shell, the distance between adjacent second positioning support columns ranges from 135 to 140 mm, and the distance from the bottom edges of the left side plate and the right side plate is 8 to 10 mm. The second positioning support column is a cylindrical structure with a thin middle and thick ends. Its overall length ranges from 3.5 to 4 mm, the diameter of the cylindrical end for press riveting ranges from 5.5 to 6 mm, the diameter of the middle cylinder is 2.5 to 3 mm, and the diameter of the uppermost cylinder is 4.5 to 5 mm.

4. The quick-assembly housing device for a DCI cassette device according to claim 1, characterized in that: The front panel of the upper shell is formed by bending the front edges of the left side plate and the right side plate. On the front panel, several screw holes are provided. The diameter of the screw holes ranges from 3.5 to 4 mm, and the screw holes are provided with 90° countersinks.

5. The quick assembly housing device of the DCI cassette device according to any one of claims 1 to 4, characterized in that: The length dimension of the upper shell is 220 to 221 mm, its width dimension is 168 to 170 mm, its height dimension is 42 to 44 mm, and all four sides are chamfered with a radius dimension ranging from 1 to 2 mm.

6. The quick-assembly housing device for a DCI cassette device according to claim 1, characterized in that: The guide slots provided on the left side plate and the right side plate are U-shaped slots. The diameter of the U-shaped slot is 3 to 3.5 mm, and the length is 8 to 12 mm.

7. The quick-assembly housing device of the DCI cassette device according to claim 1, wherein: The lapping panel is a Z-shaped bending plate with a Z-shaped cross-section. The width dimension of the Z-shaped bending plate is 20 to 25 mm, the height dimension of the Z-shaped step of the Z-shaped bending plate is 1.3 to 1.5 mm. On the Z-shaped bending plate, two rows of rectangular openings are provided, with an opening length dimension of 15 to 16 mm and a width dimension ranging from 1.0 to 1.2 mm. The opening slot on the lapping panel is a U-shaped opening slot, which cooperates with the first positioning support column on the top plate of the upper shell for sliding.

8. The quick-assembly housing device for a DCI cassette device according to claim 1, characterized in that: The height dimension of the front side plate of the lower shell is 40 to 42 mm. On the front side plate, several nut holes corresponding to the screw holes on the front panel of the upper shell are provided. The nuts are 8 to 10 mm from the bottom edge, and the hole spacing is 95 to 100 mm.

9. The quick-assembly housing device for a DCI cassette device according to any one of claims 6 to 8, characterized in that: The length dimension of the lower shell is 217 to 218 mm, and the width dimension is 177 to 178 mm. The ventilation slots provided on the left side plate and the right side plate correspond to the positions of the heat dissipation ventilation holes. The length dimension of the ventilation slots ranges from 105 to 110 mm, and the width dimension is 35 to 37 mm.

10. The quick assembly housing device of the DCI cassette device according to claim 1, characterized in that: The housing device is made of electro-galvanized sheet material with a thickness ranging from 1.0 to 1.2 mm.

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