CN219019227U - Clamping structure of controller sheet metal shell and controller sheet metal shell - Google Patents

Abstract

The utility model discloses a clamping structure of a controller sheet metal shell and the controller sheet metal shell, which comprises a first metal plate gold clamping piece and a second metal plate gold clamping piece which are formed by stamping a metal sheet, wherein opposite surfaces of the first metal plate gold clamping piece and the second metal plate gold clamping piece are contacted and clamped and fixed; the upper surface of the left side of the second metal plate gold clamping piece is contacted with the lower surface of the right side of the aligned first metal plate gold clamping piece, the second metal plate gold clamping convex circle on the second metal plate gold clamping piece is aligned and clamped in the clamping round hole of the first metal plate gold clamping piece, and the lower surface of each second metal plate stamping fastening rib of the second metal plate gold clamping piece is in limit contact with the upper surface of the stamping fastening groove of the first metal plate gold clamping piece; according to the utility model, under the condition of no screw fastening, the degree of freedom of the clamping part of each sheet metal part is zero, and the situation of relative sliding caused by mechanical vibration or mechanical impact is avoided.

Description

Clamping structure of controller sheet metal shell and controller sheet metal shell

Technical Field

The utility model relates to an automobile controller, in particular to a clamping structure of a controller sheet metal shell.

Background

The automobile controller shell (a simple car weighing machine, hereinafter called car weighing machine) mainly has the functions of supporting and fixing the PCB, the radiator, the antenna and other functional devices, and providing corresponding protection for various electronic elements, such as machinery, temperature, electromagnetism and the like; the metal material has the advantages of reliable mechanical property, good heat and electric conductivity, good electromagnetic shielding effect and the like, and becomes the first choice of the car body; common implementation modes include sheet metal forming and aluminum alloy die casting.

Compared with the aluminum alloy shell formed by die casting, the metal plate shell has the advantages of low material cost, low processing cost, high production efficiency and the like, and the metal plate shell can provide a larger internal space under the same external dimension; of course, the structural stability of the metal plate shell is difficult to cover under the low cost, and is far inferior to that of the die-cast aluminum alloy shell, and the metal plate shell has the defects of higher assembly cost and the like.

At present, sheet metal shell structures mainly have two forms: the shell is simple in structure, more in use for single-chip PCB vehicle machines with low heat dissipation requirement, and gradually reduces along with the increasing requirement of users on the vehicle machines; the other is that the bottom plate, the upper cover and the front cover with the cable interface are formed, convex-concave rabbets are spliced at the interfaces of the sheet metal parts, and are fixed by screws, so that a cavity for mounting electronic components is formed.

Disclosure of Invention

In order to solve the problems, the utility model provides a clamping structure of a controller sheet metal shell, which realizes zero degree of freedom of clamping parts of sheet metal parts under the condition of no screw fastening, and can not generate relative sliding caused by mechanical shock or mechanical impact; the clamping connection is also in the meaning of clamping, and all the splicing parts are completely clamped, so that no relative movement exists among all the parts, and the overall rigidity and stability of the shell are improved.

The utility model provides a clamping structure of a controller sheet metal shell, which comprises a first metal plate gold clamping piece and a second metal plate gold clamping piece which are formed by stamping a metal sheet, wherein opposite surfaces of the first metal plate gold clamping piece and the second metal plate gold clamping piece are contacted and clamped and fixed;

two stamping fastening grooves are symmetrically formed in the surface of the right metal sheet of the first metal plate clamping piece in an up-down symmetrical mode, the layers and the thicknesses of the clamping positions of the metal plates are increased through the stamping fastening grooves, meanwhile, the rigidity of the metal plates is improved, and a plurality of clamping round holes are formed in the surface of the metal sheet on the same side in an up-down symmetrical mode;

the surface of the metal sheet at the left side of the second metal plate clamping piece is provided with two second metal plate stamping fastening ribs corresponding to the two stamping fastening grooves, each second metal plate stamping fastening rib is obliquely arranged obliquely downwards, the second metal plate stamping fastening rib has the function of being in contact with the upper surface of the stamping fastening groove for limiting, the first metal plate clamping piece and the second metal plate clamping piece are in tight contact with each other for limiting depending on the flexibility of metal, the size of the angle is determined according to the depth of the fastening groove, the surface of the metal sheet on the same side is provided with a plurality of second metal plate gold clamping convex circles in a matching way corresponding to the plurality of clamping round holes, each second metal plate gold clamping convex circle is a boss with a spherical crown structure, the sphere radius and the boss height of each second metal plate gold clamping convex circle are determined according to the size and the material thickness of the clamping round hole and the depth of the second metal plate gold clamping convex circle clamping hole, the depth of the second metal plate gold clamping convex circle clamping hole determines the difficulty of disassembly after clamping, and the deeper the clamping is, the more difficult the clamping is to fall off, and the more difficult the clamping is also to disassemble;

the upper surface of the left side of the second metal plate gold clamping piece is contacted with the lower surface of the right side of the aligned first metal plate gold clamping piece, the second metal plate gold clamping convex circle on the second metal plate gold clamping piece is aligned and clamped in the clamping round hole of the first metal plate gold clamping piece, the second metal plate gold clamping convex circle is automatically positioned and locked in the process of clamping the second metal plate gold clamping convex circle into the round hole so as to limit the horizontal movement of the two metal plate gold clamping pieces, the deeper the second metal plate gold clamping convex circle is clamped into the clamping round hole, the harder the second metal plate gold clamping convex circle is separated, the lower surface of each second metal plate stamping fastening rib of the second metal plate gold clamping piece is in limit contact with the upper surface of the stamping fastening groove of the first metal plate gold clamping piece, the second sheet metal stamping fastening rib is elastically deformed to provide fastening force, the larger the elastic deformation amount is, the larger the fastening force is, the clamping round hole is clamped with the convex circle of the second sheet metal stamping fastening rib, the clamping of the sheet metal is completed through the fastening of the second sheet metal stamping fastening rib, the limiting contact between the lower surface of the second sheet metal stamping fastening rib and the upper surface of the stamping fastening groove enables the second sheet metal stamping fastening part and the first sheet metal stamping fastening part to be tightly contacted with each other in the upper and lower directions of the aligned surfaces under the influence of the flexibility of the sheet metal, and the stamping fastening groove also plays a limiting role on the front, left and right directions of the second sheet metal stamping fastening rib, so that the fixing position between the two sheet metal stamping fastening parts is further limited.

An acute angle is formed between the second sheet metal stamping fastening rib and the metal sheet surface of the second metal plate clamping piece, the numerical range of the acute angle is 15-20 degrees, and the size of the angle is determined according to the depth of the fastening groove.

The depth of the stamping fastening groove is twice the thickness of the first metal plate clamping piece.

The clamping structure of the controller sheet metal shell further comprises a third metal plate gold clamping part, the shape and the size of the third metal plate gold clamping part are completely consistent with those of the second metal plate gold clamping part, a third sheet metal stamping fastening rib and a third metal plate gold clamping convex circle are respectively arranged on the third metal plate gold clamping part, the second metal plate gold clamping part and the third metal plate gold clamping part are fixed in an up-down overlapping stamping mode, a jaw structure accommodating space is formed between the second metal plate stamping fastening rib above each and the third metal plate stamping fastening rib below the corresponding metal plate, each second metal plate gold clamping convex circle is tightly overlapped and fixed with the corresponding third metal plate gold clamping convex circle below the corresponding metal plate gold clamping convex circle, the upper surface of the left side of the second metal plate gold clamping part is contacted with the lower surface of the right side of the aligned first metal plate gold clamping part, the second metal plate gold clamping convex circle on the second metal plate gold clamping part is clamped in a clamping round hole of the first metal plate gold clamping part, and the clamping groove of the second metal plate gold clamping part is clamped in the jaw structure accommodating space is formed between the second metal plate stamping fastening rib and the upper surface of the corresponding metal plate stamping fastening rib below the corresponding to the second metal plate stamping fastening rib.

Be equipped with protruding ridge structure on the second panel beating punching press fastening muscle, the punching press fastening recess of holding in the structure accommodation space of keeping silent corresponds the position and matees and be equipped with spacing protruding ridge, protruding ridge structure and spacing protruding ridge touch are fixed to the panel beating joint of realizing this position is fixed.

The third sheet metal stamping fastening rib is provided with a third metal plate metal clamping convex circle, a clamping round hole is arranged in the corresponding position of the stamping fastening groove in the holding space of the jaw structure in a matching mode, and the third metal plate metal clamping convex circle of the third sheet metal stamping fastening rib is fixedly clamped with the clamping round hole of the stamping fastening groove to realize the metal plate clamping fixation at the position.

The third sheet metal stamping fastening rib is provided with a third sheet metal clamping convex circle, the corresponding position of the stamping fastening groove contained in the containing space of the jaw structure is matched with the groove clamping convex circle with the same structure, and the third sheet metal stamping fastening rib is fixedly clamped with the groove clamping convex circle of the stamping fastening groove so as to realize the fixing of the sheet metal clamping at the position.

The third sheet metal stamping fastening rib is provided with a third sheet metal clamping round hole, a groove clamping convex part is arranged in a matched mode at a corresponding position of a stamping fastening groove in the holding space of the jaw structure, and the third sheet metal stamping fastening round hole of the third sheet metal stamping fastening rib is fixedly clamped with the groove clamping convex part of the stamping fastening groove so as to realize the sheet metal clamping fixation at the position.

The front end edge of the second sheet metal stamping fastening rib is provided with an upturned edge so that the front end of the stamping fastening groove can easily enter the holding space of the jaw structure.

The utility model also provides a controller sheet metal shell, which comprises a bottom plate, a cover plate, an interface panel, screws and studs;

the fixed clamping positions among the bottom plate, the cover plate and the interface panel are respectively and correspondingly provided with a clamping structure of a controller sheet metal shell, the left end, the right end and the rear end of the bottom plate are upwards bent to form a semi-closed cavity with three sides open around one side, the rear ends of the side walls on the two sides of the bottom plate are respectively inwards bent to form a triangular structure, the triangular structures are fixedly connected with the rear side walls through riveting to form a drawer type semi-closed cavity, the front end of the bottom plate, the front end and the upper end of the side walls on the two sides and the upper end of the rear side wall are respectively provided with a punching fastening groove and a clamping round hole, the bottom plate is provided with a PCB mounting boss and a stud riveting round hole, and the stud is contacted with the PCB mounting boss and is fixedly riveted with the bottom plate;

the cover plate is provided with cover plate side wall folds corresponding to the side walls at two sides and the rear side wall of the bottom plate respectively, each cover plate side wall fold is provided with a second sheet metal stamping fastening rib and a second sheet metal clamping convex circle respectively, the lower end face of each cover plate side wall fold is also provided with a guide inclined plane in an extending mode, the guide inclined plane is bent to the inner side of the box body for 5-10 degrees, so that the cover plate side wall folds are respectively aligned and conveniently buckled in the left side wall, the right side wall and the rear side wall, the guide effect is convenient to clamp in the cover plate buckling process, and the front end of the cover plate is provided with a stamping fastening groove and a clamping round hole;

the long limit end has buckled the horizontal bending edge respectively about the interface panel, and every horizontal bending edge is provided with second panel beating punching press fastening muscle and second metal plate gold joint bulge respectively, and the front end of every horizontal bending edge still is provided with the direction face of buckling, for the installation of being convenient for, the left and right sides end of interface panel is provided with second panel beating punching press fastening muscle and supports the direction muscle respectively, and the support direction muscle of here plays the guide effect when the joint, and the rear support bottom plate left and right sides wall is gone into to the card, improves overall stability and rigidity.

Advantageous effects

The clamping structure realizes zero degree of freedom of the clamping position of each sheet metal part without screw fastening, and can not generate relative sliding due to mechanical shock or mechanical impact, the structure is relatively stable in mechanical environment test, and the problems that the splicing position of the male and female seam allowance is easy to generate shell deformation, shock abnormal sound and the like at the seam allowance at a position far from the screw under severe working conditions such as severe impact, high-frequency shock, high-low temperature shock and the like due to the degree of freedom of the male and female seam allowance splicing structure in two directions are solved; the clamping connection is also in the meaning of clamping, and all the splicing parts are completely clamped, so that no relative movement exists among all the parts, and the overall rigidity and stability of the shell are improved.

Drawings

Fig. 1 is a schematic diagram of the respective structures of the present utility model.

FIG. 2 is a schematic diagram of the combined structure of the present utility model.

FIG. 3 is a schematic view of the A-A cross-sectional structure of FIG. 2.

Fig. 4 is a schematic view of the B-B cross-sectional structure of fig. 2.

Fig. 5 is a schematic diagram of a partial structure of a sheet metal shell of the controller of the present utility model.

Fig. 6 is a schematic diagram of an exploded structure of a sheet metal shell of the controller of the present utility model.

FIG. 7 is a schematic diagram of the overall structure of the sheet metal shell of the controller of the present utility model.

FIG. 8 is a schematic diagram showing the overall structure of the second metal plate and the third metal plate according to the present utility model.

Fig. 9 is a schematic view of a second embodiment of the fastening groove and the fastening rib of the present utility model.

Fig. 10 is a schematic view of a third embodiment of the fastening groove and the fastening rib of the present utility model.

Fig. 11 is a schematic view showing a fourth construction of the embodiment of the fastening groove and the fastening rib of the present utility model.

Fig. 12 is a schematic view showing a fifth embodiment of the fastening groove and the fastening rib of the present utility model.

In the figure:

1. a first metal plate clamping piece; 11. stamping a fastening groove; 111. limit ridges; 112. the groove is clamped with the convex circle; 113. the groove is clamped with the convex part; 12. the circular hole is clamped;

2. a second metal plate clamping piece; 21. stamping a fastening rib by a second sheet metal; 211. a ridge structure; 212. raising edges; 22. the second metal plate is clamped with the convex circle;

3. a third metal plate clamping piece; 31. stamping a fastening rib by a third sheet metal; 311. a third metal plate is clamped with the round hole; 32. the third metal plate is clamped with a convex circle;

4. a bottom plate; 41. side walls on two sides; 411. a triangular structure; 42. a rear sidewall;

5. a cover plate; 51. folding the side wall of the cover plate; 511. a guide slope;

6. an interface panel; 61. a horizontal bending edge; 611. a guide bending surface; 62. supporting the guide ribs;

7. a screw;

8. a stud.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-4 and fig. 8-12, a clamping structure of a controller sheet metal shell comprises a first sheet metal clamping piece 1 and a second sheet metal clamping piece 2 which are formed by stamping a metal sheet, wherein opposite surfaces of the first sheet metal clamping piece 1 and the second sheet metal clamping piece 2 are contacted and clamped;

two stamping fastening grooves 11 are symmetrically arranged on the surface of the right metal sheet of the first metal plate clamping piece 1 up and down, and a plurality of clamping round holes 12 are also symmetrically arranged on the surface of the metal sheet on the same side up and down;

the surface of the metal sheet on the left side of the second metal plate clamping piece 2 is provided with two second metal plate stamping fastening ribs 21 corresponding to the two stamping fastening grooves 11, each second metal plate stamping fastening rib 21 is obliquely arranged obliquely downwards, the surface of the metal sheet on the same side is provided with a plurality of second metal plate clamping convex circles 22 corresponding to a plurality of clamping round holes 12 in a matching manner, and each second metal plate clamping convex circle 22 is a spherical crown structure boss;

the upper surface of the left side of the second metal plate gold clamping piece 2 is contacted with the lower surface of the right side of the aligned first metal plate gold clamping piece 1, the second metal plate gold clamping convex round 22 on the second metal plate gold clamping piece 2 is aligned and clamped in the clamping round hole 12 of the first metal plate gold clamping piece 1, and the lower surface of each second metal plate stamping fastening rib 21 of the second metal plate gold clamping piece 2 is in limit contact with the upper surface of the stamping fastening groove 11 of the first metal plate gold clamping piece 1.

An acute angle is formed between the second sheet metal stamping fastening rib 21 and the metal sheet surface of the second sheet metal clamping piece 2, and the value range of the acute angle is 18 degrees.

The depth of the stamping fastening groove 11 is 2.5 times of the thickness of the first metal plate clamping piece 1.

The clamping structure of the controller sheet metal shell further comprises a third sheet metal clamping part 3, the shape and the structure size of the third sheet metal clamping part 3 are completely consistent with those of the second sheet metal clamping part, a third sheet metal stamping fastening rib 31 and a third sheet metal clamping bulge 32 are respectively arranged on the third sheet metal clamping part 3, the second sheet metal clamping part 2 and the third sheet metal clamping part 3 are fixedly overlapped and stamped up and down, a jaw structure accommodating space is formed between each second sheet metal stamping fastening rib 21 above and the corresponding third sheet metal stamping fastening rib 31 below, each second sheet metal clamping bulge 22 and the corresponding third sheet metal stamping bulge 32 below are tightly overlapped and fixed, the upper surface of the left side of the second sheet metal clamping part 2 is contacted with the lower surface of the right side of the aligned first sheet metal clamping part 1, the second sheet metal clamping bulge 22 on the second sheet metal clamping part 2 is clamped on the lower surface of the first sheet metal clamping part 12, the second sheet metal clamping rib 11 is clamped on the lower surface of the second sheet metal clamping part 11, and the lower surface of the corresponding sheet metal clamping rib 11 is clamped on the second sheet metal clamping part 1, and the lower surface of the corresponding sheet metal clamping rib 11 is pressed and the second sheet metal clamping rib 11 is clamped on the lower surface of the sheet metal clamping part 11.

The front end edge of the second sheet metal stamping fastening rib 21 is provided with an upturned edge 212.

Example 2

Referring to fig. 9, a clamping structure of a controller sheet metal shell is different from embodiment 1 in that a ridge structure 211 is provided on the second sheet metal stamping fastening rib 21, a limit ridge 111 is provided in a corresponding position of the stamping fastening groove 11 in the accommodating space of the jaw structure, and the ridge structure 211 and the limit ridge 111 are fixedly connected in a touching manner.

Example 3

Referring to fig. 10, a clamping structure of a controller sheet metal shell is different from embodiment 1 in that a third metal plate clamping boss 32 is disposed on a third sheet metal stamping fastening rib 31, a clamping circular hole 12 is disposed in a corresponding position of a stamping fastening groove 11 in a holding space of a jaw structure, and the third metal plate clamping boss 32 of the third sheet metal stamping fastening rib 31 and the clamping circular hole 12 of the stamping fastening groove 11 are clamped and fixed.

Example 4

Referring to fig. 11, a clamping structure of a controller sheet metal shell is different from embodiment 1 in that a third sheet metal stamping fastening rib 31 is provided with a third sheet metal stamping clamping boss 32, a corresponding position of a stamping fastening groove 11 accommodated in a holding space of a jaw structure is matched with a groove clamping boss 112 with the same structure, and the third sheet metal stamping clamping boss 32 of the third sheet metal stamping fastening rib 31 and the groove clamping boss 112 of the stamping fastening groove 11 are clamped and fixed.

Example 5

Referring to fig. 12, a clamping structure of a controller sheet metal shell is different from embodiment 1 in that a third sheet metal stamping fastening rib 31 is provided with a third sheet metal stamping clamping round hole 311, a corresponding position of a stamping fastening groove 11 accommodated in a holding space of a jaw structure is provided with a groove clamping convex part 113 in a matching manner, and the third sheet metal stamping clamping round hole 311 of the third sheet metal stamping fastening rib 31 and the groove clamping convex part 113 of the stamping fastening groove 11 are clamped and fixed.

Example 6

Referring to fig. 1-7, a controller sheet metal shell comprises a bottom plate 4, a cover plate 5, an interface panel 6, screws 7 and studs 8;

the fixing and clamping positions among the bottom plate 4, the cover plate 5 and the interface panel 6 are respectively and correspondingly provided with a clamping structure of a controller sheet metal shell, the left end, the right end and the rear end of the bottom plate 4 are upwards bent to form a semi-closed cavity with three sides surrounding one side open, the rear ends of the side walls 41 on the two sides of the bottom plate 4 are respectively inwards bent to form a triangular structure 411, the triangular structure 411 is fixedly connected with the rear side walls 42 through riveting, the front ends of the bottom plate 4, the front ends and the upper ends of the side walls 41 on the two sides and the upper ends of the rear side walls 42 are respectively provided with a punching fastening groove 11 and a clamping round hole 12, the bottom plate 4 is provided with a PCB mounting boss and a stud riveting round hole, and the stud 8 is contacted on the PCB mounting boss and is fixedly riveted with the bottom plate 4;

the cover plate 5 is provided with cover plate side wall folds 51 corresponding to the side walls 41 and the rear side wall 42 of the bottom plate 4 respectively, each cover plate side wall fold 51 is provided with a second sheet metal stamping fastening rib 21 and a second sheet metal clamping convex circle 22 respectively, the lower end surface of each cover plate side wall fold 51 is also provided with a guide inclined surface 511 in an extending way, the guide inclined surface 511 is bent for 8 degrees towards the inner side of the box body, and the front end of the cover plate 5 is provided with a stamping fastening groove 11 and a clamping round hole 12;

the upper and lower long side ends of the interface panel 6 are respectively bent to form horizontal bent edges 61, each horizontal bent edge 61 is respectively provided with a second sheet metal stamping fastening rib 21 and a second sheet metal clamping convex circle 22, the front end of each horizontal bent edge 61 is also provided with a guiding bending surface 611, and the left and right short side ends of the interface panel 6 are respectively provided with a second sheet metal stamping fastening rib 21 and a supporting guiding rib 62.

Principle of operation

Referring to fig. 1-7, the sheet metal shell is installed by the following steps: firstly, pressing a cover plate 5 into a bottom plate 4, clamping a second metal plate clamping convex circle 22 into a clamping round hole 12, tightly pressing a second metal plate stamping fastening rib 21 into a stamping fastening groove 11, tightly pressing the side surface of the bottom plate into a cavity by the fastening rib of the cover plate to clamp the clamping round hole, pressing the clamping convex circle into an interface panel 6 after the cover plate 5 and the bottom plate 4 are clamped, and likewise clamping the second metal plate clamping convex circle 22 with the clamping round hole 12, tightly pressing and fixing the second metal plate stamping fastening rib 21 to form a closed cavity, and finally screwing a screw 7 with a stud 8 on the bottom plate 4 from the top end of the cover plate 5 to strengthen the fastening; because the interface panel 6 is not fixed by adopting a screw, the second metal plate is required to be added with the metal clamping convex round 22 to enhance the clamping stability, and each clamping surface is required to be fastened by at least two second metal plate stamping fastening ribs 21.

The controller sheet metal shell completely fixes the degree of freedom of the part, the fastening force of the controller sheet metal shell can be increased according to the increase of the convex circle of the second metal plate, and the problems of shell deformation, vibration abnormal sound and the like can not occur under severe working conditions such as severe impact, high-frequency vibration, high-low temperature impact and the like, and each splicing part is completely clamped, so that relative movement does not exist among all parts, and the overall rigidity and stability of the shell can be effectively improved; the whole assembly process can be manually assembled or mechanically and automatically assembled, the whole structure is extremely simplified, the structure is integrated as much as possible, the number of parts is reduced, the assembly working procedures and the assembly time are reduced, and the labor cost of assembly is reduced.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a joint structure of controller panel beating casing which characterized in that: the metal plate comprises a first metal plate gold clamping piece (1) and a second metal plate gold clamping piece (2) which are formed by stamping a metal sheet, wherein the opposite surfaces of the first metal plate gold clamping piece (1) and the second metal plate gold clamping piece (2) are contacted and clamped and fixed;

two stamping fastening grooves (11) are symmetrically arranged on the surface of the right metal sheet of the first metal plate clamping piece (1) up and down, and a plurality of clamping round holes (12) are also symmetrically arranged on the surface of the metal sheet on the same side up and down;

the surface of the metal sheet on the left side of the second metal plate clamping piece (2) is provided with two second metal plate stamping fastening ribs (21) corresponding to the two stamping fastening grooves (11), each second metal plate stamping fastening rib (21) is obliquely arranged obliquely downwards, the surface of the metal sheet on the same side is provided with a plurality of second metal plate clamping convex circles (22) corresponding to a plurality of clamping round holes (12) in a matching manner, and each second metal plate clamping convex circle (22) is a boss with a spherical crown structure;

the upper surface of the left side of the second metal plate gold clamping piece (2) is contacted with the lower surface of the right side of the aligned first metal plate gold clamping piece (1), the second metal plate gold clamping convex round (22) on the second metal plate gold clamping piece (2) is aligned and clamped in the clamping round hole (12) of the first metal plate gold clamping piece (1), and the lower surface of each second metal plate stamping fastening rib (21) of the second metal plate gold clamping piece (2) is in limit contact with the upper surface of the stamping fastening groove (11) of the first metal plate gold clamping piece (1).

2. The clamping structure of the controller sheet metal shell according to claim 1, wherein: an acute angle is formed between the second sheet metal stamping fastening rib (21) and the metal sheet surface of the second sheet metal clamping piece (2), and the numerical range of the acute angle is 15-20 degrees.

3. The clamping structure of the controller sheet metal shell according to claim 1, wherein: the depth of the stamping fastening groove (11) is 2.5 times of the thickness of the first metal plate gold clamping piece (1).

4. The clamping structure of the controller sheet metal shell according to claim 1, wherein: the metal plate fixing device comprises a metal plate fixing device, and is characterized by further comprising a third metal plate fixing part (3), wherein the shape and the size of the third metal plate fixing part (3) are completely consistent with those of the second metal plate fixing device, third metal plate stamping fixing ribs (31) and third metal plate fixing bulges (32) are respectively arranged on the third metal plate fixing part (3), the second metal plate fixing part (2) and the third metal plate fixing part (3) are fixed in an up-down overlapping stamping mode, a second metal plate stamping fastening rib (21) above each metal plate fixing rib and a third metal plate stamping fixing rib (31) below form a jaw structure accommodating space, each second metal plate fixing bulge (22) and a third metal plate fixing bulge (32) below correspond to each other are tightly overlapped, the upper surface of the left side of the second metal plate fixing part (2) is contacted with the lower surface of the right side of the first metal plate fixing bulge (1), the second metal plate fixing ribs (2) are arranged in the stamping fixing ribs (11) of the metal plate fixing ribs (1), and the lower surface of the second metal plate fixing bulge (2) is opposite to the upper metal plate fixing ribs (21) of the second metal plate fixing bulge (31), and the upper metal plate fixing ribs (11) are arranged in the stamping fixing ribs (11) in the stamping fixing ribs.

5. The clamping structure of the controller sheet metal shell according to claim 4, wherein: the front end edge of the second sheet metal stamping fastening rib (21) is provided with an upturned edge (212).

6. The clamping structure of the controller sheet metal shell according to claim 5, wherein: the second sheet metal stamping fastening rib (21) is provided with a protruding ridge structure (211), and a limiting protruding ridge (111) is arranged at a position corresponding to the stamping fastening groove (11) accommodated in the accommodating space of the jaw structure in a matching mode, and the protruding ridge structure (211) is fixedly contacted with the limiting protruding ridge (111).

7. The clamping structure of the controller sheet metal shell according to claim 5, wherein: the third sheet metal stamping fastening rib (31) is provided with a third sheet metal gold clamping convex circle (32), the corresponding position of the stamping fastening groove (11) accommodated in the accommodating space of the jaw structure is provided with a clamping round hole (12) in a matching mode, and the third sheet metal gold clamping convex circle (32) of the third sheet metal stamping fastening rib (31) and the clamping round hole (12) of the stamping fastening groove (11) are clamped and fixed.

8. The clamping structure of the controller sheet metal shell according to claim 5, wherein: the third sheet metal stamping fastening rib (31) is provided with a third sheet metal gold clamping convex circle (32), the corresponding positions of stamping fastening grooves (11) accommodated in the accommodating space of the jaw structure are matched and provided with groove clamping convex circles (112) with the same structure, and the third sheet metal stamping fastening rib (31) is fixedly clamped by the third sheet metal gold clamping convex circle (32) and the groove clamping convex circles (112) of the stamping fastening grooves (11).

9. The clamping structure of the controller sheet metal shell according to claim 5, wherein: the third sheet metal stamping fastening rib (31) is provided with a third sheet metal gold clamping round hole (311), a groove clamping convex part (113) is arranged in a corresponding position of the stamping fastening groove (11) in the holding space of the jaw structure in a matching mode, and the third sheet metal stamping fastening rib (31) is fixedly clamped with the third sheet metal gold clamping round hole (311) and the groove clamping convex part (113) of the stamping fastening groove (11).

10. The utility model provides a controller panel beating casing, includes bottom plate (4), apron (5), interface panel (6), screw (7) and double-screw bolt (8), its characterized in that: the fixing and clamping positions among the bottom plate (4), the cover plate (5) and the interface panel (6) are respectively and correspondingly provided with the clamping structure of the controller sheet metal shell according to any one of claims 1-3, the left end, the right end and the rear end of the bottom plate (4) are bent upwards to form a semi-closed cavity with three sides open around one side, the rear ends of two side walls (41) of the bottom plate (4) are respectively bent inwards to form a triangular structure (411), the triangular structure (411) is fixedly connected with the rear side wall (42) through riveting, the front end of the bottom plate (4), the front end and the upper end of the two side walls (41) and the upper end of the rear side wall (42) are respectively provided with a punching and fastening groove (11) and a clamping round hole (12), the bottom plate (4) is provided with a PCB mounting boss and a stud riveting round hole, and the stud (8) is contacted on the PCB mounting boss and is riveted and fixed with the bottom plate (4);

the cover plate (5) is provided with cover plate side wall folds (51) corresponding to two side walls (41) and a rear side wall (42) of the bottom plate (4) in a downward bending mode, each cover plate side wall fold (51) is provided with a second sheet metal stamping fastening rib (21) and a second sheet metal clamping convex circle (22) respectively, the lower end face of each cover plate side wall fold (51) is further provided with a guide inclined surface (511) in an extending mode, the guide inclined surface (511) bends 5-10 degrees towards the inner side of the box body, and the front end of the cover plate (5) is provided with a stamping fastening groove (11) and a clamping round hole (12);

the interface panel (6) is long limit end is buckled respectively from top to bottom has horizontal bend limit (61), is provided with second panel beating punching press fastening muscle (21) and second metal plate gold joint convex circle (22) on every horizontal bend limit (61) respectively, and the front end of every horizontal bend limit (61) still is provided with direction face (611) of buckling, and the left and right sides end of interface panel (6) is provided with second panel beating punching press fastening muscle (21) and supports direction muscle (62) respectively.

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