Combined sheet metal part

Abstract

The utility model discloses a combined sheet metal part which comprises a sheet metal frame body, a sheet metal rear plate and a sheet metal door body, a movable plate is slidably connected to the interior of the sheet metal rear plate, an insertion rod is integrally connected to the outer wall of one side of the movable plate, insertion holes are formed in the inner walls of the two sides of the sheet metal frame body, and the insertion rod is inserted into the insertion holes. A limiting rod is arranged on the inner wall of the metal plate rear plate, the limiting rod is sleeved with the movable plate in a sliding mode, a return spring connected with the movable plate is arranged on the inner wall of the metal plate rear plate, and the limiting rod is sleeved with the return spring. The fixing screw is rotated to drive the extrusion cone to extrude the two inclined blocks, the two inclined blocks can drive the movable plate and the insertion rod to move, the insertion rod can be inserted into the insertion hole, and the metal plate rear plate and the metal plate frame body can be combined and fixed; and a plurality of bolts are not needed for fixation, so that the combination is more convenient, and the combination efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal parts, in particular to a combined sheet metal part. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching / cutting / compounding, folding, welding, riveting, splicing, forming (such as car body), etc. Its most notable feature is that the thickness of the same part is consistent. Products processed by the sheet metal industry are called sheet metal parts. The sheet metal parts referred to in different industries are generally different, and are mostly used for assembly. The electric control box contains one or more low-voltage switchgear and related control, measurement, signal, protection, regulation and other equipment, and is fully assembled by the manufacturer with structural components. The box of the electric control box is composed of sheet metal parts.

[0003] For example, a combined sheet metal part with announcement number CN219388337 U and authorization announcement date 2023.07.21 includes a first sheet metal part and a second sheet metal part, the upper wall and lower wall of the inner cavity of the first sheet metal part are embedded with connecting grooves, the upper wall and lower wall of the inner cavity of the second sheet metal part are fixedly connected with connecting blocks by bolts, one side of the connecting block passes through the connecting groove and is clamped in the inner cavity of the connecting groove, the top and bottom of the first sheet metal part are fixedly connected with a box body by bolts, and the inner cavity of the box body is provided with a splicing mechanism.

[0004] As mentioned above and in the prior art, when sheet metal parts are assembled, most of them are connected and fixed using multiple screws, so many bolts are required on the threads when assembling, which is very inefficient. Therefore, it is urgent to design a modular sheet metal part to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a combined sheet metal part to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A combined sheet metal part comprises a sheet metal frame, a sheet metal back plate and a sheet metal door body, wherein a movable plate is slidably connected inside the sheet metal back plate, and an insertion rod is integrally connected to the outer wall of one side of the movable plate, insertion holes are opened on the inner walls on both sides of the sheet metal frame, and the insertion rod is inserted into the inside of the insertion holes, a limiting rod is provided on the inner wall of the sheet metal back plate, and the movable plate is slidably sleeved on the outside of the limiting rod, a return spring connected to the movable plate is provided on the inner wall of the sheet metal back plate, and the return spring is sleeved on the outside of the limiting rod, an inclined block is provided on the outer wall of one side of the movable plate, a fixing screw is threadedly connected to the outer wall of one side of the sheet metal back plate, and an extrusion cone is welded to one end of the fixing screw located inside the sheet metal back plate.

[0008] Furthermore, a rotating block is welded on the outer wall of one side of the sheet metal door body, and fixing seats respectively located above and below the rotating block are welded on the outer wall of one side of the sheet metal frame body.

[0009] Furthermore, a moving block is slidably connected inside the fixing seat, and a round rod is rotatably connected to the outer wall of the bottom of the moving block through a bearing, and a square block is welded to the outer wall of the bottom of the round rod.

[0010] Furthermore, square grooves are provided on the outer walls of the top and bottom of the rotating block, and the square blocks are inserted into the inside of the square grooves.

[0011] Furthermore, a connecting rod is welded on the outer wall of the top of the moving block, and a push plate is welded on the top of the connecting rod, an anti-rotation guide rod is arranged on the inner wall of the fixed seat, and the moving block sliding sleeve is arranged outside the anti-rotation guide rod.

[0012] Furthermore, a push-down spring connected to the moving block is arranged on the inner wall of the top of the fixing seat, and the push-down spring is sleeved on the outside of the anti-rotation guide rod.

[0013] Furthermore, ventilation slots are provided on the outer walls on both sides of the sheet metal frame, and dustproof nets are provided inside the ventilation slots.

[0014] In the above technical scheme, the utility model provides a combined sheet metal part, (1) through the sheet metal frame, sheet metal back plate, movable plate, plug rod, plug hole, limit rod, return spring, fixing screw, extrusion cone and tilting block, rotating the fixing screw can drive the extrusion cone to squeeze the two tilting blocks, and the two tilting blocks can drive the movable plate and the plug rod to move, and the plug rod can be inserted into the inside of the plug hole, so that the sheet metal back plate and the sheet metal frame can be combined and fixed, without the need to use multiple bolts to fix, making the combination more convenient and improving the efficiency of the combination; (2) through the sheet metal door body, rotating block, fixed seat, movable block, round rod, square block, square groove, connecting rod, push plate, push-down spring and anti-rotation guide rod, the rotating block is clamped on the two fixed When the push plate is released between the fixed seats, the elastic force of the push-down spring can push the moving block, the round rod and the square block to move, so that the square block can be inserted into the inside of the square groove, and the sheet metal frame and the sheet metal door body can be combined, replacing the commonly used hinge connection. Because the hinge is fixed by a tool threaded screw, it is more troublesome to use a hinge connection. This fixing structure does not use screws and hinges for fixing, but it can also play a rotating function, so this method is easier to operate when the sheet metal frame and the sheet metal door body are combined; (3) Through the ventilation slots and dustproof nets, the ventilation slots can ventilate and dissipate heat for the devices installed inside the box composed of the sheet metal frame, the sheet metal back plate and the sheet metal door body, and the dustproof net can prevent dust from entering the inside of the box, thereby realizing the dustproof function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 A three-dimensional structural schematic diagram of an embodiment of a combined sheet metal part of the utility model is provided.

[0017] Figure 2 A rear view schematic diagram of the internal structure of a combined sheet metal embodiment of the utility model is provided.

[0018] Figure 3 The utility model is a schematic diagram of the internal top view structure of a combined sheet metal embodiment.

[0019] Figure 4 A schematic diagram of the fixing seat structure provided for an embodiment of a combined sheet metal component of the utility model.

[0020] Description of reference numerals:

[0021] 1. Sheet metal frame; 2. Sheet metal back plate; 3. Moving plate; 4. Insert rod; 5. Socket; 6. Limit rod; 7. Return spring; 8. Fixing screw; 9. Extrusion cone; 10. Tilting block; 11. Dust screen; 12. Sheet metal door; 13. Rotating block; 14. Fixed seat; 15. Moving block; 16. Round rod; 17. Square block; 18. Square slot; 19. Connecting rod; 20. Push plate; 21. Push-down spring; 22. Anti-rotation guide rod; 23. Ventilation slot. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1-4As shown, a combined sheet metal part provided by an embodiment of the utility model includes a sheet metal frame 1, a sheet metal back plate 2 and a sheet metal door body 12, a movable plate 3 is slidably connected inside the sheet metal back plate 2, and an insertion rod 4 is integrally connected to the outer wall on one side of the movable plate 3, insertion holes 5 are opened on the inner walls on both sides of the sheet metal frame 1, and the insertion rod 4 is inserted into the inside of the insertion hole 5, a limiting rod 6 is arranged on the inner wall of the sheet metal back plate 2, and the movable plate 3 is slidably sleeved on the outside of the limiting rod 6, a return spring 7 connected to the movable plate 3 is arranged on the inner wall of the sheet metal back plate 2, and the return spring 7 is sleeved on the outside of the limiting rod 6, an inclined block 10 is arranged on the outer wall on one side of the movable plate 3, a fixing screw 8 is threadedly connected to the outer wall on one side of the sheet metal back plate 2, and an extrusion cone 9 is welded to the end of the fixing screw 8 located inside the sheet metal back plate 2.

[0024] The utility model provides a combined sheet metal part, including a sheet metal frame 1, a sheet metal back plate 2 and a sheet metal door body 12, the sheet metal back plate 2 is slidably connected to a moving plate 3 inside, and an insertion rod 4 is integrally connected to the outer wall of one side of the moving plate 3, the inner walls on both sides of the sheet metal frame 1 are provided with insertion holes 5, and the insertion rod 4 is inserted into the inside of the insertion holes 5, a limiting rod 6 is arranged on the inner wall of the sheet metal back plate 2, and the moving plate 3 is slidably sleeved on the outside of the limiting rod 6, a return spring 7 connected to the moving plate 3 is arranged on the inner wall of the sheet metal back plate 2, and the return spring 7 is sleeved on the outside of the limiting rod 6, and a plug hole 5 is provided on the inner wall of one side of the moving plate 3. There is a tilting block 10, and a fixing screw 8 is threadedly connected to the outer wall of one side of the sheet metal rear plate 2, and an extrusion cone 9 is welded on one end of the fixing screw 8 located inside the sheet metal rear plate 2. The sheet metal rear plate 2 is clamped on the edge of the inner wall of the sheet metal frame 1. Rotating the fixing screw 8 can drive the extrusion cone 9 to squeeze the two tilting blocks 10, and the two tilting blocks 10 can drive the moving plate 3 and the insertion rod 4 to move, and the insertion rod 4 can be inserted into the inside of the insertion hole 5, so that the sheet metal rear plate 2 and the sheet metal frame 1 can be combined and fixed, without the need to use multiple bolts for combination and fixing, making it more convenient and quick to combine the sheet metal rear plate 2 and the sheet metal frame 1.

[0025] Beneficial effect: Rotating the fixing screw 8 can drive the extrusion cone 9 to squeeze the two inclined blocks 10, and the two inclined blocks 10 can drive the movable plate 3 and the insertion rod 4 to move, and the insertion rod 4 can be inserted into the inside of the insertion hole 5, so that the sheet metal rear plate 2 and the sheet metal frame 1 can be combined and fixed without using multiple bolts, making the combination more convenient and improving the efficiency of the combination.

[0026] In one embodiment provided by the present utility model, Figure 1 and Figure 4 As shown, a rotating block 13 is welded on the outer wall of one side of the sheet metal door body 12 , and fixing seats 14 respectively located above and below the rotating block 13 are welded on the outer wall of one side of the sheet metal frame body 1 , and the fixing seats 14 are used to install the rotating block 13 .

[0027] In another embodiment provided by the present utility model, Figure 4 As shown, a moving block 15 is slidably connected inside the fixed seat 14, and a round rod 16 is rotatably connected to the outer wall at the bottom of the moving block 15 through a bearing, and a square block 17 is welded to the outer wall at the bottom of the round rod 16. When the sheet metal door body 12 is rotated to drive the rotating block 13 to rotate, the square block 17 and the round rod 16 will also be driven to rotate.

[0028] In another embodiment provided by the present utility model, Figure 4 As shown, square grooves 18 are provided on the outer walls of the top and bottom of the rotating block 13 , and the square block 17 is inserted into the square grooves 18 to fix the rotating block 13 .

[0029] In one embodiment provided by the present utility model, Figure 1 and Figure 4 As shown, a connecting rod 19 is welded on the outer wall of the top of the moving block 15, and a push plate 20 is welded on the top of the connecting rod 19, an anti-rotation guide rod 22 is arranged on the inner wall of the fixed seat 14, and the moving block 15 is slidably sleeved on the outside of the anti-rotation guide rod 22, and the anti-rotation guide rod 22 can prevent the moving block 15 from rotating and guide it when the moving block 15 moves up and down.

[0030] In another embodiment provided by the present utility model, Figure 4 As shown, a push-down spring 21 connected to the moving block 15 is provided on the inner wall at the top of the fixed seat 14, and the push-down spring 21 is sleeved on the outside of the anti-rotation guide rod 22. The elastic force of the push-down spring 21 will push the moving block 15, the round rod 16 and the square block 17 to move, so that the square block 17 can be inserted into the inside of the square groove 18.

[0031] In another embodiment provided by the present utility model, Figure 1 As shown, ventilation grooves 23 are opened on the outer walls on both sides of the sheet metal frame 1, and a dustproof net 11 is arranged inside the ventilation grooves 23. The ventilation grooves 23 can ventilate and dissipate heat for the devices installed inside the box composed of the sheet metal frame 1, the sheet metal back plate 2 and the sheet metal door body 12.

[0032] Working principle: when in use, the sheet metal rear plate 2 is clamped on the edge of the inner wall of the sheet metal frame 1, and rotating the fixing screw 8 can drive the extrusion cone 9 to squeeze the two inclined blocks 10, so that the two inclined blocks 10 can drive the movable plate 3 and the plug rod 4 to move, and the plug rod 4 can be inserted into the inside of the socket 5, so that the sheet metal rear plate 2 and the sheet metal frame 1 can be combined and fixed, without using multiple bolts to fix them, making the combination more convenient and improving the efficiency of the combination. When the movable plate 3 moves, the limit rod 6 can guide the movable plate 3, and then the sheet metal door body 12 is combined with the sheet metal frame 1, and the two push plates 20 are pushed away from the fixed seat 14 respectively, and the rotating block 13 is clamped between the two fixed seats 14. The push plate 20 is released, and the elastic force of the push-down spring 21 can By pushing the moving block 15, the round rod 16 and the square block 17 to move, the square block 17 can be inserted into the inside of the square groove 18, so that the sheet metal frame 1 and the sheet metal door body 12 can be combined, replacing the commonly used hinge connection. Because the hinge is fixed by a tool threaded screw, it is more troublesome to use a hinge connection. This fixing structure does not use screws and hinges for fixing, but it can also play a rotation function. Therefore, this method is easier to operate when combining the sheet metal frame 1 and the sheet metal door body 12. After the combination is installed, electronic control devices will be installed inside, and the ventilation grooves 23 can ventilate and dissipate heat for the devices. The dustproof net 11 can prevent dust from entering the interior of the box composed of the sheet metal frame 1, the sheet metal back plate 2 and the sheet metal door body 12, achieving the functions of ventilation and dustproof at the same time.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A combined sheet metal component, comprising a sheet metal frame (1), a sheet metal back plate (2) and a sheet metal door (12), characterized in that: The sheet metal rear plate (2) is slidably connected to a movable plate (3) inside, and an insertion rod (4) is integrally connected to the outer wall of one side of the movable plate (3); the inner walls on both sides of the sheet metal frame (1) are provided with insertion holes (5), and the insertion rod (4) is inserted into the inside of the insertion holes (5); a limit rod (6) is provided on the inner wall of the sheet metal rear plate (2), and the movable plate (3) is slidably sleeved on the outside of the limit rod (6); a return spring (7) connected to the movable plate (3) is provided on the inner wall of the sheet metal rear plate (2), and the return spring (7) is sleeved on the outside of the limit rod (6); an inclined block (10) is provided on the outer wall of one side of the movable plate (3); a fixing screw (8) is threadedly connected to the outer wall of one side of the sheet metal rear plate (2), and an extrusion cone (9) is welded to one end of the fixing screw (8) located inside the sheet metal rear plate (2).

2. A combined sheet metal part according to claim 1, characterized in that: A rotating block (13) is welded to the outer wall of one side of the sheet metal door body (12), and fixed seats (14) respectively located above and below the rotating block (13) are welded to the outer wall of one side of the sheet metal frame body (1).

3. A combined sheet metal part according to claim 2, characterized in that: The interior of the fixed seat (14) is slidably connected to a moving block (15), and the outer wall at the bottom of the moving block (15) is rotatably connected to a round rod (16) via a bearing, and a square block (17) is welded to the outer wall at the bottom of the round rod (16).

4. A combined sheet metal part according to claim 3, characterized in that: The outer walls of the top and bottom of the rotating block (13) are both provided with square grooves (18), and the square block (17) is inserted into the inside of the square grooves (18).

5. The combined sheet metal part according to claim 4, characterized in that: A connecting rod (19) is welded to the outer wall of the top of the moving block (15), and a push plate (20) is welded to the top of the connecting rod (19); an anti-rotation guide rod (22) is arranged on the inner wall of the fixed seat (14), and the moving block (15) is slidably sleeved on the outside of the anti-rotation guide rod (22).

6. The combined sheet metal part according to claim 5, characterized in that: A push-down spring (21) connected to the moving block (15) is arranged on the inner wall of the top of the fixing seat (14), and the push-down spring (21) is sleeved on the outside of the anti-rotation guide rod (22).

7. The combined sheet metal part according to claim 6, characterized in that: Ventilation slots (23) are provided on the outer walls on both sides of the sheet metal frame (1), and dustproof nets (11) are provided inside the ventilation slots (23).

Images