CN219421239U - Lightweight machine case - Google Patents
Lightweight machine case Download PDFInfo
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- CN219421239U CN219421239U CN202223117724.3U CN202223117724U CN219421239U CN 219421239 U CN219421239 U CN 219421239U CN 202223117724 U CN202223117724 U CN 202223117724U CN 219421239 U CN219421239 U CN 219421239U
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Abstract
The utility model discloses a lightweight chassis, which comprises a chassis base sheet metal part, a chassis upper cover sheet metal part, a left guide groove sheet metal part, a middle guide groove sheet metal part, a right guide groove sheet metal part, a rear side PCB (printed Circuit Board) mounting bracket, a first fastener, a second fastener and a third fastener, wherein the left guide groove sheet metal part, the middle guide groove sheet metal part and the right guide groove sheet metal part are sequentially arranged on the chassis base sheet metal part from left to right, the rear side PCB mounting bracket is arranged on the rear side of the chassis base sheet metal part, and the chassis upper cover sheet metal part is arranged on the top of the chassis base sheet metal part; the integrated design of the double guide grooves reduces the number of parts; the strength of the ultrathin part is effectively improved due to the matched design of the reinforcing ribs and the bending edges; the impact bridge is used as the ingenious utilization of the buckle, and a new design idea is provided; the rivet nut not only serves as a rivet function, but also serves as multiple utilization of the nut function, so that the assembly complexity is reduced.
Description
Technical Field
The utility model belongs to the technical field of communication products, and particularly relates to a lightweight case.
Background
Along with the development of science and technology and the increasing degree of industrial integration, the requirement on the weight reduction of electronic equipment is also increasing. At present, in the field of communication equipment, the communication equipment is required to have a simple structure, low cost and light weight, and good strength, so that the operability of a case is improved, and quick installation and disassembly are realized; the reliability of the product structure is guaranteed, the feasibility of assembly and maintenance is provided, and the effect of achieving light-weight design is more and more important. The existing chassis structure in the communication equipment cannot meet the use requirement, and searching for a more practical chassis structure becomes an important direction in the industry;
most of the chassis structures in the market are made of steel plates with the thickness exceeding 1 mm, most of the chassis structures are made of screws and rivets, the surface is combined with multipurpose electroplating and spraying, the cost is difficult to reduce, and meanwhile, the chassis structures are not in line with the trend of low carbon and environmental protection; on the other hand, too many screws and rivets are connected with maintenance and are inconvenient to replace and disassemble, so that inconvenience is brought to the subsequent use of the steel plate.
Disclosure of Invention
In view of the above-mentioned problems with the background art, the present utility model has as its object: aims to provide a lightweight chassis.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
comprises a chassis base sheet metal part, a chassis upper cover sheet metal part, a left guide groove sheet metal part, a middle guide groove sheet metal part, a right guide groove sheet metal part, a rear side PCB mounting bracket, a first fastener, a second fastener and a third fastener, wherein the left guide groove sheet metal part, the middle guide groove sheet metal part and the right guide groove sheet metal part are sequentially arranged on the chassis base sheet metal part from left to right, the rear side PCB mounting bracket is arranged on the rear side of the chassis base sheet metal part, the chassis upper cover sheet metal part is arranged on the top of the chassis base sheet metal part,
the chassis base sheet metal part is a three-sided bending sheet metal part and is provided with a bottom surface, a front surface, a left side surface and a right side surface, wherein a transverse punching bridge, a vertical punching bridge, a guide groove limiting long hole and a first hexagonal mounting hole are arranged on the bottom surface;
the chassis upper cover sheet metal part is a four-side bending sheet metal part and is provided with an upper side, a left side, a right side and a rear bending side; the upper side is provided with a transverse reinforcing rib and an X-shaped reinforcing rib, one side of the upper side is provided with a front flattening edge, two sides of the front flattening edge are provided with counter bores, the middle position of the front flattening edge is provided with a through hole, the left side and the right side are provided with vent holes, the left side and the right side are provided with mounting through holes at two sides of the vent holes, the left side and the right side of the rear bending edge are provided with side bending edges, the side bending edges are provided with mounting holes, the rear bending edge is provided with a lower bending edge, the lower bending edge is provided with a notch, and the middle of the notch is provided with a bulge;
the middle guide slot sheet metal component is shaping sheet metal piece of bending, is equipped with preceding function face, left function face, right function face, left rear portion above, right rear portion above and below, preceding function face is equipped with the mounting hole, preceding function face upside is equipped with the limit of bending, the limit of bending is equipped with the mounting hole, left side function face is equipped with the shaping guide slot with right function face, the lower part of left side function face and right function face is equipped with the location boss, be equipped with the mounting hole above the left rear portion, be equipped with sixth hexagonal mounting hole below.
The left guide groove sheet metal part is a formed bending sheet metal part and is provided with a functional surface, a left mounting surface and a front mounting surface, wherein the functional surface is provided with a formed guide groove, and the lower part of the functional surface is provided with a positioning boss; the left mounting surface is provided with a hexagonal mounting hole; the front mounting surface is provided with a mounting hole.
The sheet metal part of the right guide groove is a formed bending sheet metal part, the thickness of the sheet metal part is only mm, and the sheet metal part is provided with a left functional surface, a front mounting surface, a bottom mounting surface and an upper mounting surface; the left functional surface is provided with a forming guide groove, the bottom is provided with a positioning boss, the bottom of the rear side is provided with a bending edge to form a bottom mounting surface, and a mounting hole is formed in the bottom mounting surface; the front vertical edge of the left functional surface is provided with a front mounting surface formed by bending, and a mounting hole is formed in the front vertical edge; the right vertical edge of the front mounting surface is provided with a bending edge, the upper part of the front mounting surface is provided with a bending edge, and the front mounting surface is provided with a mounting hole.
Further limited, the rear side PCB mounting bracket is a four-side bending piece, a round hole is formed in the main surface of the bracket, a bending edge is formed below the main surface of the bracket, and a hexagonal mounting hole is formed in the bending edge; symmetrical bending edges are arranged on the left side and the right side of the rear side PCB mounting bracket, and hexagonal mounting holes are formed in the symmetrical bending edges; and the upper edge of the main surface of the rear PCB mounting bracket is provided with a bending edge.
Further limited, the first fastener is a rivet nut and is respectively used for fixing a left guide groove sheet metal part, a middle guide groove sheet metal part, a right guide groove sheet metal part, a rear side PCB (printed circuit board) mounting bracket and a chassis base sheet metal part, the second fastener is a rivet and is used for fixing the side surface of the upper cover and the connection of the left and right bending edges of the rear side, and the third fastener is a countersunk screw and is used for fixing the upper cover and the left, middle and right guide groove brackets.
The beneficial effects of the utility model are as follows: the lightweight chassis is divided into the chassis base sheet metal part, the chassis upper cover sheet metal part, the left guide groove sheet metal part, the middle guide groove sheet metal part, the right guide groove sheet metal part and the rear side PCB mounting bracket, the adopted material thickness is only 0.6mm, the surface treatment-free material is adopted, and the design of the flattening edge is adopted through the reinforcing rib, so that the lightweight chassis has good overall structural strength, is convenient to mount and has low cost, and compared with the prior art, the technical scheme of the lightweight chassis has the following advantages and positive effects:
1. the ultrathin sheet metal design effectively saves materials and reduces the weight of products;
2. the integrated design of the double guide grooves reduces the number of parts;
3. the strength of the ultrathin part is effectively improved due to the matched design of the reinforcing ribs and the bending edges;
4. the impact bridge is used as the ingenious utilization of the buckle, and a new design idea is provided;
5. the rivet nut not only serves as a rivet function, but also serves as multiple utilization of the nut function, so that the assembly complexity is reduced.
Drawings
The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;
fig. 1 is a schematic diagram of the overall structure of a lightweight chassis according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a lightweight enclosure according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a chassis base sheet metal part of a lightweight chassis according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a sheet metal part of an upper cover of a lightweight chassis according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a sheet metal part of a middle guide slot of a lightweight chassis according to an embodiment of the present utility model;
the main reference numerals are as follows:
chassis base sheet metal part 1, chassis upper cover sheet metal part 2, left guide slot sheet metal part 3, middle guide slot sheet metal part 4, right guide slot sheet metal part 5, rear side PCB installing support 6, first fastener 7, second fastener 8, third fastener 9:
bottom surface 101, front surface 102, left side surface 103, right side surface 104, horizontal bridge 105, vertical bridge 106, guide groove limiting long hole 107, first hexagonal mounting hole 108, second hexagonal mounting hole 109, upper bent edge 110, mounting hole 111, bent edge 112, third hexagonal mounting hole 113, fourth hexagonal mounting hole 114, rectangular hole 115, bent edge 116, and fifth hexagonal mounting hole 117;
upper face 201, left face 202, right face 203, back-folded edge 204, transverse stiffener 205, X-shaped stiffener 206, counterbore 207, front flattened edge 208, via 209, vent 210, mounting via 211, side-folded edge 214, mounting hole 215, lower folded edge 216, notch 217, protrusion 218;
front functional surface 401, left functional surface 402, right functional surface 403, left rear upper surface 404, right rear upper surface 405, lower surface 406, mounting hole 407, bent edge 408, mounting hole 409, molding guide 410, positioning boss 411, mounting hole 412, and sixth hexagonal mounting hole 416.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the utility model comprises a chassis base sheet metal part 1, a chassis upper cover sheet metal part 2, a left guide groove sheet metal part 3, a middle guide groove sheet metal part 4, a right guide groove sheet metal part 5, a rear side PCB mounting bracket 6, a first fastening piece 7, a second fastening piece 8 and a third fastening piece 9, wherein the left guide groove sheet metal part 3, the middle guide groove sheet metal part 4 and the right guide groove sheet metal part 5 are sequentially arranged on the chassis base sheet metal part 1 from left to right, the rear side PCB mounting bracket 6 is arranged on the rear side of the chassis base sheet metal part 1, the chassis upper cover sheet metal part 2 is arranged on the top of the chassis base sheet metal part 1,
the chassis base sheet metal part 1 is a three-sided bending sheet metal part and is provided with a bottom surface 101, a front surface 102, a left side surface 103 and a right side surface 104, wherein a transverse punching bridge 105, a vertical punching bridge 106, a guide groove limiting long hole 107 and a first hexagonal mounting hole 108 are arranged on the bottom surface 101, a second hexagonal mounting hole 109 and an upper bending edge 110 are arranged on the front surface 102, the upper bending edge 110 is provided with a mounting hole 111, the left side surface 103 and the right side surface 104 are identical in structure size, the left side surface 103 and the right side surface 104 are arranged in a mirror image mode, the side edge of the left side surface 103 is provided with a bending edge 112, the bending edge 112 is provided with a third hexagonal mounting hole 113 and a fourth hexagonal mounting hole 114, the left side surface 103 is provided with a rectangular hole 115, the upper edge of the rectangular hole 115 is provided with a bending edge 116, the top of the bending edge 116 is provided with a fifth hexagonal mounting hole 117, and the structure of the right side surface 104 is like the left side surface 103;
the chassis upper cover sheet metal part 2 is a four-side bending sheet metal part and is provided with an upper surface 201, a left surface 202, a right surface 203 and a rear bending edge 204; the upper surface 201 is provided with a transverse reinforcing rib 205 and an X-shaped reinforcing rib 206, one side of the upper surface 201 is provided with a front flattening edge 208, two sides of the front flattening edge 208 are provided with counter bores 207, the middle position of the front flattening edge 208 is provided with a through hole 209, the left surface 202 and the right surface 203 are provided with vent holes 210, the left surface 202 and the right surface 203 are provided with mounting through holes 211 at two sides of the vent holes 210, the left side and the right side of the rear bending edge 204 are provided with side bending edges 214, the side bending edges 214 are provided with mounting holes 215, the rear bending edge 204 is provided with a lower bending edge 216, the lower bending edge 216 is provided with a notch 217, and a bulge 218 is arranged in the middle of the notch 217;
the middle guide slot sheet metal component 4 is the shaping sheet metal component of bending, be equipped with preceding function face 401, left function face 402, right function face 403, left rear portion is above 404, right rear portion is above 405 and below 406, preceding function face 401 is equipped with mounting hole 407, preceding function face 401 upside is equipped with the flange 408 of bending, flange 408 is equipped with mounting hole 409, left function face 402 and right function face 403 are equipped with shaping guide slot 410, left function face 402 and right function face 403's lower part is equipped with location boss 411, left rear portion is above 404 is equipped with mounting hole 412, below 406 is equipped with sixth hexagonal mounting hole 416.
In this embodiment, the case base is a three-sided bent sheet metal part, and is provided with a bottom surface, a front surface and two side surfaces. The bottom surface is provided with a punching bridge clamping groove, the guide punching bridge is provided with a hexagonal mounting hole, and a small slot hole for limiting is arranged. The front surface is provided with an upper bending surface, the bending surface is provided with a hexagonal mounting hole, the upper edge of the front bending surface is provided with a bending edge, the bending edge is provided with a hexagonal mounting hole, the left and right edges of the front surface are provided with bending edges, and the front surface is provided with a hexagonal mounting hole; the two side bending surfaces are provided with large holes, hexagonal mounting holes are formed in the large holes, the machine case is provided with four-side bending thin plate pieces for radiating left and right, the thickness of the machine case is only 0.6mm, the machine case is provided with a top surface, side bending edges, rear bending edges and front flattening bending edges; the top surface is provided with a reinforcing rib for increasing the strength, and is provided with a counter bore; the left and right sides are provided with mesh areas for heat dissipation and mounting holes; the back is provided with a bending surface, the bottom of the bending surface is provided with a bending edge, a notch is arranged on the bending edge, a raised edge is arranged in the middle of the notch, the left guide groove bracket is a formed bending sheet piece, the thickness is only 0.6mm, the left guide groove bracket is provided with a functional surface, a left mounting surface and a front mounting surface, the functional surface is provided with a formed guide groove, and the lower part is provided with a positioning boss; the left mounting surface is provided with a hexagonal mounting hole; the front is provided with a mounting hole, the middle guide groove bracket is a formed bending thin plate, the thickness of the middle guide groove bracket is only 0.6mm, the middle guide groove bracket is provided with a front, a left functional surface, a right functional surface, a left rear upper surface, a left rear lower surface and a right rear upper surface and a right rear lower surface; the front face is provided with a mounting hole, the upper edge of the front face is provided with a bending edge, the front face is provided with a mounting hole, and the front face is bent from the left side edge and the right side edge to form a left functional surface and a right functional surface; the left functional surface is provided with a forming guide groove, the lower part is provided with a positioning boss, the lower side of the rear part is provided with an inner side bending edge to form a bottom mounting surface, the rear part is provided with a mounting hole, the rear part is provided with a bending edge to form a left rear upper surface, and the rear part is provided with a mounting hole; the right functional surface is provided with a forming guide groove, the lower part is provided with a positioning boss, the upper side of the rear side is provided with a bending upper surface, the upper surface is provided with a mounting hole, the middle guide groove bracket is a forming bending thin plate piece, the thickness of the middle guide groove bracket is only 0.6mm, and the middle guide groove bracket is provided with a front surface, a left functional surface, a right functional surface, a left rear upper surface, a left rear lower surface and a right rear upper surface; the front face is provided with a mounting hole, the upper edge of the front face is provided with a bending edge, the front face is provided with a mounting hole, and the front face is bent from the left side edge and the right side edge to form a left functional surface and a right functional surface; the left functional surface is provided with a forming guide groove, the lower part is provided with a positioning boss, the lower side of the rear part is provided with an inner side bending edge to form a bottom mounting surface, the rear part is provided with a mounting hole, the rear part is provided with a bending edge to form a left rear upper surface, and the rear part is provided with a mounting hole; the right functional surface is provided with a forming guide groove, the lower part is provided with a positioning boss, the upper side of the rear side is provided with a bending upper surface, the upper surface is provided with a mounting hole, the right guide rail bracket is a forming bending thin plate, the thickness is only 0.6mm, and the right guide rail bracket is provided with a left functional surface, a front mounting surface, a bottom mounting surface and an upper mounting surface; the left functional surface is provided with a forming guide groove, the bottom is provided with a positioning boss, the bottom of the rear side is provided with a bending edge to form a bottom mounting surface, and the bottom mounting surface is provided with a mounting hole; the front vertical edge of the left functional surface is provided with a front mounting surface which is formed by bending, and a mounting hole is formed in the front vertical edge; the right vertical edge of the front mounting surface is provided with a bending edge, the upper part of the front mounting surface is provided with a bending edge, the front mounting surface is provided with a mounting hole, the rear PCB mounting bracket is a four-side bending piece, the main surface of the bracket is provided with a round hole, and the bracket is provided with a yielding hole for use; the lower edge of the main surface of the bracket is provided with a bending edge, and a hexagonal mounting hole is formed in the bending edge; symmetrical bending edges are arranged on the left side and the right side, and hexagonal mounting holes are formed in the symmetrical bending edges; the upper edge of the main surface of the support is provided with a bending edge, the thickness of the adopted material is only 0.6mm, and the whole structure is good in strength, convenient to install and low in cost due to the design of the reinforcing ribs and the flattening edges.
Preferably, the left guide groove sheet metal part 3 is a formed bending sheet metal part and is provided with a functional surface, a left mounting surface and a front mounting surface, wherein the functional surface is provided with a formed guide groove, and the lower part is provided with a positioning boss; the left mounting surface is provided with a hexagonal mounting hole; the front mounting surface is provided with a mounting hole.
Preferably, the right guide groove sheet metal part 5 is a formed bending sheet metal part, the thickness of the sheet metal part is only 0.6mm, and the sheet metal part is provided with a left functional surface, a front mounting surface, a bottom mounting surface and an upper mounting surface; the left functional surface is provided with a forming guide groove, the bottom is provided with a positioning boss, the bottom of the rear side is provided with a bending edge to form a bottom mounting surface, and the bottom mounting surface is provided with a mounting hole; the front vertical edge of the left functional surface is provided with a front mounting surface which is formed by bending, and a mounting hole is formed in the front vertical edge; the right vertical edge of the front mounting surface is provided with a bending edge, the upper part of the front mounting surface is provided with a bending edge, and the front mounting surface is provided with a mounting hole.
Preferably, the rear side PCB mounting bracket 6 is a four-side bending piece, a circular hole is formed in the main surface of the bracket, a bending edge is formed below the main surface of the bracket, and a hexagonal mounting hole is formed in the bending edge; symmetrical bending edges are arranged on the left side and the right side of the rear side PCB mounting bracket 6, and hexagonal mounting holes are formed in the symmetrical bending edges; the upper edge of the main surface of the rear side PCB mounting bracket 6 is provided with a bending edge.
Preferably, the first fastener 7 is a rivet nut and is used for fixing the left guide groove sheet metal part 3, the middle guide groove sheet metal part 4, the right guide groove sheet metal part 5, the rear side PCB mounting bracket 6 and the chassis base sheet metal part 1 respectively, the second fastener 8 is a rivet and is used for fixing the side surface of the upper cover and the connection of the left and right bending edges of the rear side, and the third fastener 9 is a countersunk screw and is used for fixing the upper cover and the left, middle and right guide groove brackets.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.
Claims (5)
1. A lightweight machine case, its characterized in that: comprises a chassis base sheet metal part (1), a chassis upper cover sheet metal part (2), a left guide groove sheet metal part (3), a middle guide groove sheet metal part (4), a right guide groove sheet metal part (5), a rear side PCB mounting bracket (6), a first fastener (7), a second fastener (8) and a third fastener (9), wherein the left guide groove sheet metal part (3), the middle guide groove sheet metal part (4) and the right guide groove sheet metal part (5) are sequentially arranged on the chassis base sheet metal part (1) from left to right, the rear side PCB mounting bracket (6) is arranged on the rear side of the chassis base sheet metal part (1), the chassis upper cover sheet metal part (2) is arranged at the top of the chassis base sheet metal part (1),
the chassis base sheet metal part (1) is a three-sided bending sheet metal part and is provided with a bottom surface (101), a front surface (102), a left side surface (103) and a right side surface (104), a transverse punching bridge (105), a vertical punching bridge (106), a guide groove limiting long hole (107) and a first hexagonal mounting hole (108) are arranged on the bottom surface (101), a second hexagonal mounting hole (109) and an upper bending edge (110) are arranged on the front surface (102), the upper bending edge (110) is provided with a mounting hole (111), the structures of the left side surface (103) and the right side surface (104) are identical, the left side surface (103) and the right side surface (104) are in mirror image arrangement, a bending edge (112) is arranged on the side edge of the left side surface (103), a third hexagonal mounting hole (113) and a fourth hexagonal mounting hole (114) are arranged on the bending edge (112), a rectangular hole (115) is arranged on the left side surface (103), a bending edge (116) is arranged on the upper edge of the rectangular hole (115), a fifth mounting hole (104) is arranged on the top of the bending edge (116), and the left side surface (104) is in a mirror image arrangement;
the chassis upper cover sheet metal part (2) is a four-side bending sheet metal part and is provided with an upper surface (201), a left surface (202), a right surface (203) and a rear bending edge (204); the upper surface (201) is provided with a transverse reinforcing rib (205) and an X-shaped reinforcing rib (206), one side of the upper surface (201) is provided with a front flattening edge (208), two sides of the front flattening edge (208) are provided with counter bores (207), the middle position of the front flattening edge (208) is provided with a through hole (209), the left surface (202) and the right surface (203) are provided with vent holes (210), the left surface (202) and the right surface (203) are provided with mounting through holes (211) on two sides of the vent holes (210), the left side and the right side of the rear bending edge (204) are provided with side bending edges (214), the side bending edges (214) are provided with mounting holes (215), the rear bending edge (204) is provided with a lower bending edge (216), the lower bending edge (216) is provided with a notch (217), and the middle of the notch (217) is provided with a bulge (218).
Middle guide slot sheet metal component (4) is shaping sheet metal piece of bending, is equipped with preceding function face (401), left function face (402), right function face (403), left rear portion above (404), right rear portion above (405) and below (406), preceding function face (401) are equipped with mounting hole (407), preceding function face (401) upside is equipped with the limit of bending (408), limit of bending (408) are equipped with mounting hole (409), left side function face (402) are equipped with shaping guide slot (410) with right function face (403), the lower part of left side function face (402) and right function face (403) is equipped with location boss (411), left rear portion above (404) are equipped with mounting hole (412), below (406) are equipped with sixth hexagonal mounting hole (416).
2. The lightweight enclosure of claim 1, wherein: the left guide groove sheet metal part (3) is a formed bending sheet metal part and is provided with a functional surface, a left mounting surface and a front mounting surface, wherein the functional surface is provided with a formed guide groove, and the lower part of the functional surface is provided with a positioning boss; the left mounting surface is provided with a hexagonal mounting hole; the front mounting surface is provided with a mounting hole.
3. A lightweight enclosure as in claim 2, wherein: the right guide groove sheet metal part (5) is a formed bending sheet metal part, the set thickness is only 0.6mm, and the sheet metal part is provided with a left functional surface, a front mounting surface, a bottom mounting surface and an upper mounting surface; the left functional surface is provided with a forming guide groove, the bottom is provided with a positioning boss, the bottom of the rear side is provided with a bending edge to form a bottom mounting surface, and a mounting hole is formed in the bottom mounting surface; the front vertical edge of the left functional surface is provided with a front mounting surface formed by bending, and a mounting hole is formed in the front vertical edge; the right vertical edge of the front mounting surface is provided with a bending edge, the upper part of the front mounting surface is provided with a bending edge, and the front mounting surface is provided with a mounting hole.
4. A lightweight enclosure as recited in claim 3, wherein: the rear side PCB mounting bracket (6) is a four-side bending piece, a round hole is formed in the main surface of the bracket, a bending edge is formed below the main surface of the bracket, and a hexagonal mounting hole is formed in the bending edge; symmetrical bending edges are arranged on the left side and the right side of the rear side PCB mounting bracket (6), and hexagonal mounting holes are formed in the symmetrical bending edges; and the upper edge of the main surface of the rear PCB mounting bracket (6) is provided with a bending edge.
5. The lightweight enclosure of claim 4, wherein: the first fastener (7) is a rivet nut and is respectively used for fixing the left guide groove sheet metal part (3), the middle guide groove sheet metal part (4), the right guide groove sheet metal part (5), the rear side PCB mounting bracket (6) and the chassis base sheet metal part (1), the second fastener (8) is a rivet and is used for fixing the side surface of the upper cover and the connection of the left and right bending edges of the rear side, and the third fastener (9) is a countersunk screw and is used for fixing the upper cover and the left, middle and right guide groove brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223117724.3U CN219421239U (en) | 2022-11-24 | 2022-11-24 | Lightweight machine case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223117724.3U CN219421239U (en) | 2022-11-24 | 2022-11-24 | Lightweight machine case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219421239U true CN219421239U (en) | 2023-07-25 |
Family
ID=87228765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223117724.3U Active CN219421239U (en) | 2022-11-24 | 2022-11-24 | Lightweight machine case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219421239U (en) |
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2022
- 2022-11-24 CN CN202223117724.3U patent/CN219421239U/en active Active
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