Sheet metal hanger mechanism

Abstract

The utility model discloses a sheet metal hanger mechanism which comprises a first component, a second component and an elastic piece, a first bayonet on the first component is matched and clamped with a convex edge of a guide rail, and the second component can move relative to the first component to be switched between a disassembly position and an assembly position by utilizing the elastic deformation capacity of the elastic piece. When the second component moves backwards, the metal plate hanging lug mechanism is opened accordingly, the metal plate hanging lug mechanism is placed on the guide rail so that the first clamping opening of the first component can clamp the upper convex edge of the guide rail, then external force is released, and under the counter-acting force of the spring, the second component moves forwards to be pressed on the guide rail. According to the metal plate hanging lug mechanism, the second component is located at the assembling position relative to the first component, it is ensured that the second clamping opening in the second component and the other convex edge of the guide rail are kept in the clamping state, then electrical equipment can be rapidly installed on the guide rail through the metal plate hanging lug mechanism, clamping can be achieved without the help of a complex transmission mechanism, and therefore the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment guide rail installation technical field more specifically, it is a sheet metal lug mechanism. BACKGROUND

[0002] The support guide rail is usually designed as a top hat type guide rail, which is a commonly used component in industrial automation and electrical installation. By first clamping one lug of the electronic device behind one edge of the support guide rail, and then clamping the other lug of the electronic device behind the other edge of the support guide rail, the electronic device can be fixed on the support guide rail.

[0003] For example, a kind of electrical equipment and guide rail fixing structure of Chinese patent publication No. CN220857236U discloses that electrical equipment and guide rail fixing structure include the clamping strip that can be clamped from the upper side on guide rail and set down, clamping strip is installed on the electrical equipment of right side, and the lower side of guide rail is provided with the lower clamping mechanism that can be clamped in the lower end of guide rail after turning over, clamping strip can drive lower clamping mechanism to turn over and clamp the lower end of guide rail when being pushed down, lower clamping mechanism can turn over clockwise from the lower side when clamping strip is pushed down, clamping strip, limit electrical equipment to move left and right, but can move along guide rail front and back. Although it solves the problem that existing electrical equipment installation and disassembly are difficult, the fixing structure needs transmission mechanism to drive pin shaft to rotate to drive clamping block to rotate and realize clamping, the structure is complex, manufacturing cost is high, it is difficult to meet the requirements of sample stage and small batch production. UTILITY MODEL CONTENTS

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a sheet metal lug mechanism, which can realize quick installation and disassembly of electrical equipment, and effectively reduce manufacturing cost.

[0005] The utility model technical scheme is as follows: a sheet metal lug mechanism, comprising a first component, a second component and an elastic member, the first component and the second component are connected in cooperation, a limiting support is arranged on the first component, a first clamping hole is arranged on the first component, and the first clamping hole is used for cooperating with a convex edge of a guide rail for clamping connection;

[0006] One end of the second component is provided with a second clamping hole, a limiting group is arranged in the second component, one end of the elastic member is in contact with the limiting group, and the other end of the elastic member is in contact with the limiting support;

[0007] The second component can move along the length direction of the first component, so that the second component can be switched between a disengagement position and an assembly position relative to the first component, and when the second component is in the assembly position, the second clamping hole cooperates with the other convex edge of the guide rail for clamping connection.

[0008] Further, the first component comprises a first component main body and a first guide edge, and two first guide edges are formed by bending the two sides of the first component main body upwards.

[0009] Further, the second component comprises a second component main body and a second guide edge, and two second guide edges are formed by bending the two sides of the second component main body downwards, and the first guide edge and the second guide edge are parallel when the second component is installed on the first component.

[0010] Further, the first guide edge comprises a first guide protrusion, a second guide protrusion and a third guide protrusion, the first guide protrusion and the second guide protrusion are arranged at intervals to form a first gap, a first sliding guide groove is formed between the first guide protrusion and the first component main body, the first sliding guide groove is communicated with the first gap, the second guide protrusion and the third guide protrusion are arranged at intervals to form a second gap, a second sliding guide groove is formed between the second guide protrusion and the first component main body, and the second sliding guide groove is communicated with the second gap.

[0011] Further, the second guide edge is provided with a first sliding buckle and a second sliding buckle, the first sliding buckle and the second sliding buckle extend outwardly from the second guide edge and are bent at an angle, when the second component is installed on the first component from top to bottom, the first sliding buckle is inserted into the first gap, and the second sliding buckle is inserted into the second gap.

[0012] Further, the limiting group comprises a first limiting baffle and a second limiting baffle, two second limiting baffles are oppositely arranged, and the first limiting baffle is located on one side of the two second limiting baffles.

[0013] Further, the first limiting baffle is a U-shaped plate with an opening facing the two second limiting baffles.

[0014] Further, the first component is provided with a limiting support plate, the limiting support plate corresponds to the first limiting baffle, the limiting support plate, the first limiting baffle and the two second limiting baffles define a limiting space for accommodating the elastic member, one end of the elastic member is sleeved on the limiting support, and the other end of the elastic member is located in the limiting space and abuts against the first limiting baffle.

[0015] Further, the second component is provided with a guide inclined surface on the side close to the second clamping hole, and the guide inclined surface is inclined towards the direction close to the second clamping hole.

[0016] Further, the second component is provided with a dismounting groove.

[0017] The utility model discloses according to the above scheme has the beneficial effect that:

[0018] (1) the utility model provides a kind of sheet metal lug mechanism, including first component, second component and elastic piece, first clamping hole and guide rail one flange on the first component are matched and connected, by utilizing the elastic deformation ability of elastic piece, second component can be moved relative to first component to switch between dismounting position and assembly position, when second component moves back, elastic piece is compressed, its storage elastic potential energy makes sheet metal lug mechanism open along with it, sheet metal lug mechanism is placed to guide rail so that the first clamping hole of first component is stuck to the upper flange of guide rail, then release external force, under the reaction force of spring, second component moves forward to be compacted on guide rail, so that second component is in assembly position relative to first component, ensure that the second clamping hole on second component keeps the state of being connected with the flange of guide rail, and then make electrical equipment be able to be quickly installed on guide rail by the sheet metal lug mechanism, similarly, when second component is actuated, and second component moves a certain distance in the direction away from first clamping hole, the flange of guide rail and second clamping hole realize separation, at this time, sheet metal lug mechanism is in open state, so that electrical equipment can be quickly dismounted from guide rail, the sheet metal lug mechanism provided by the utility model does not need to be assisted by complex transmission mechanism to realize clamping, so as to reduce production cost.

[0019] (2) the utility model provides a kind of sheet metal lug mechanism, first component and second component can be sheet metal piece, sheet metal piece because raw material price is low and simple processing process, so that it can significantly reduce manufacturing cost when sample piece stage and small batch production.In addition, the die of sheet metal piece has the characteristics of low opening cost and long service life.Compared with die casting mold production, sheet metal piece does not need to experience additional process steps such as pressure maintaining and cooling, which helps to shorten the processing cycle, improve processing efficiency, and further reduce the production cost of sheet metal lug mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is the installation schematic drawing of electrical equipment and guide rail in the embodiments of the utility model;

[0022] Figure 2 It is the installation schematic drawing of sheet metal lug mechanism and guide rail in the embodiments of the utility model;

[0023] Figure 3 It is a three-dimensional structure schematic view of the sheet metal lug mechanism in the embodiment of the utility model;

[0024] Figure 4 It is a structure exploded schematic view of the sheet metal lug mechanism in the embodiment of the utility model;

[0025] Figure 5 It is a structure schematic view of the first component in the embodiment of the utility model;

[0026] Figure 6 It is a structure schematic view of the second component in the embodiment of the utility model;

[0027] Figure 7 It is an internal structure schematic view of the sheet metal lug mechanism in the embodiment of the utility model.

[0028] In the drawing, 1, first component; 11, limiting support; 12, first clamping opening; 13, first component main body; 14, first guide edge; 141, first guide convex part; 142, second guide convex part; 143, third guide convex part; 151, first gap; 152, second gap; 161, first sliding guide groove; 162, second sliding guide groove; 17, limiting support plate; 181, mounting hole; 182, through hole; 2, second component; 21, second clamping opening; 22, limiting group; 221, first limiting baffle; 222, second limiting baffle; 23, second component main body; 24, second guide edge; 241, first sliding buckle; 242, second sliding buckle; 25, dismounting groove; 26, guide inclined surface; 3, elastic piece; 4, electrical equipment; 5, guide rail. DETAILED DESCRIPTION

[0029] The embodiment of the utility model will be further described in detail below in combination with the drawings and the embodiment. The detailed description of the following embodiment and the drawings are used to exemplarily illustrate the principle of the utility model, but cannot be used to limit the scope of the utility model, that is, the utility model is not limited to the described embodiment.

[0030] In order to better understand the utility model, the utility model will be further described below in combination with the drawings and the embodiment:

[0031] Referring to Figure 1 As shown in the drawing, the sheet metal lug mechanism provided by the embodiment is used for the connection between the electrical equipment 4 and the guide rail 5, so as to ensure that the electrical equipment 4 can be installed on the guide rail 5 and ensure the installation stability and safety of the electrical equipment 4. In the embodiment, the guide rail 5 is a top hat type guide rail, and the top hat type guide rail has two convex edges on both sides to facilitate the clamping cooperation with the sheet metal lug mechanism.

[0032] Referring toFigures 1-4 As shown, the sheet metal ear mechanism provided by the embodiment comprises a first component 1, a second component 2 and an elastic member 3, the first component 1 is fixedly installed on one side of an electrical equipment 4, and the first component 1 and the second component 2 are connected in cooperation.

[0033] Specifically, the first component 1 is provided with a limiting support 11 for cooperating with the elastic member 3, and the first component 1 is provided with a first clamping hole 12, which is matched and clamped with one convex edge of the top hat type guide rail; correspondingly, the second component 2 is provided with a second clamping hole 21, which is used for matched clamping with the other convex edge of the top hat type guide rail.

[0034] In the embodiment, the second component 2 is provided with a limiting group 22, one end of the elastic member 3 is in contact with the limiting group 22, and the other end of the elastic member 3 is in contact with the limiting support 11, under the action of the elastic member 3, the second component 2 can move along the length direction of the first component 1, so that the second component 2 can be switched between the disassembled position and the assembled position relative to the first component 1, when the second component 2 is in the assembled position, the second clamping hole 21 is matched and clamped with the other convex edge of the guide rail 5.

[0035] The embodiment utilizes the elastic deformation capacity of the elastic member 3, so that the second component 2 can be moved relative to the first component 1 to be switched between the disassembled position and the assembled position, when the second component 2 moves backward, the elastic member 3 is compressed, and the elastic potential energy is stored, so that the sheet metal ear mechanism is opened, then the sheet metal ear mechanism is placed on the guide rail 5, the first clamping hole 12 of the first component 1 clamps the upper convex edge of the guide rail 5, then the external force is released, under the action of the reaction force of the spring, the second component 2 moves forward to be pressed on the guide rail 5, so that the second component 2 is in the assembled position relative to the first component 1, and the second clamping hole 21 on the second component 2 is kept in the clamped state with the lower convex edge of the guide rail 5, so that the electrical equipment 4 can be quickly installed on the guide rail 5 through the sheet metal ear mechanism, and the lower convex edge of the guide rail 5 is separated from the second clamping hole 21 when the second component 2 is actuated to move a certain distance away from the first clamping hole 12, at this time, the sheet metal ear mechanism is in the open state, so that the electrical equipment 4 can be quickly disassembled from the guide rail 5, and the sheet metal ear mechanism provided by the utility model does not need to rely on a complex transmission mechanism to realize clamping, thereby reducing the production cost.

[0036] In the embodiment, the elastic member 3 is an object capable of deforming under an external force and returning to the original state after the external force is removed. Specifically, the elastic member 3 includes but is not limited to a spring sheet, an elastic block or a spiral spring. It can be understood that the specific structure of the elastic member 3 can be various, for example, the elastic member 3 can be a spring sheet or an elastic block, and optionally, the elastic member 3 can be a spiral spring, which has the characteristics of compact structure, stable elastic deformation and easy manufacturing, so as to not only play a good elastic deformation role, but also save costs.

[0037] Referring to Figure 5 As shown in the figure, the first member 1 includes a first member body 13 and a first guide edge 14, and the first guide edge 14 is provided with two, and the two first guide edges 14 are respectively formed by bending upwards from both sides of the first member body 13. Specifically, the two first guide edges 14 and the first member body 13 are an integral structure, and the design of the first guide edge 14 helps to guide the second member 2 to move and install along a specific path, ensuring the accuracy and stability of the installation.

[0038] Referring to Figure 6 As shown in the figure, the second member 2 includes a second member body 23 and a second guide edge 24, and the second guide edge 24 is provided with two, and the two second guide edges 24 are respectively formed by bending downwards from both sides of the second member body 23. When the second member 2 is installed on the first member 1, the first guide edge 14 and the second guide edge 24 are parallel. Specifically, the two second guide edges 24 and the second member body 23 are an integral structure, and the integral structure design enhances the structural strength and stability of the second member 2.

[0039] In the embodiment, the two first guide edges 14 and the first member body 13 form an installation slot, and the second member 2 is installed in the installation slot from top to bottom, so that the two second guide edges 24 and the two first guide edges 14 are parallel and in contact with each other. When the second member 2 moves along the length direction of the first member 1, the first guide edge 14 and the second guide edge 24 cooperate to play a guiding role, so that the second member 2 can move linearly along the predetermined path, avoiding the misalignment problem caused by the deviation of the moving path, thereby ensuring that the second member 2 can switch between the assembled position and the disengaged position.

[0040] It should be noted that the contact between the adjacent first guide edge 14 and the second guide edge 24 in the embodiment is a preferred design, and of course, there can also be a small gap between the adjacent first guide edge 14 and the second guide edge 24. The width of the gap is not limited in value, as long as it can ensure that the second member 2 can switch between the assembled position and the disengaged position.

[0041] Referring to Figure 5As shown, the first guide edge 14 comprises a first guide protrusion 141, a second guide protrusion 142 and a third guide protrusion 143, the first guide protrusion 141 and the second guide protrusion 142 are spaced apart to form a first gap 151, a first sliding guide groove 161 is formed between the first guide protrusion 141 and the first member body 13, the first sliding guide groove 161 is communicated with the first gap 151, the second guide protrusion 142 and the third guide protrusion 143 are spaced apart to form a second gap 152, a second sliding guide groove 162 is formed between the second guide protrusion 142 and the first member body 13, the second sliding guide groove 162 is communicated with the second gap 152.

[0042] Referring to Figure 6 As shown, the second guide edge 24 is provided with a first sliding buckle 241 and a second sliding buckle 242, the first sliding buckle 241 and the second sliding buckle 242 extend outwardly from the second guide edge 24 and are bent at an angle to form, when the second member 2 is installed on the first member 1 from top to bottom, the first sliding buckle 241 is inserted into the first gap 151, and the second sliding buckle 242 is inserted into the second gap 152.

[0043] It should be noted that the second member 2 mentioned in the embodiment is installed on the first member 1 from top to bottom, which is only for the convenience of describing the installation mode between the first member 1 and the second member 2 based on the Figure 4 The second member 2 can also move along the horizontal direction from left to right or from right to left to approach the first member 1 in the actual application process, so as to realize the alignment installation between the two.

[0044] When the second member 2 is installed in place from top to bottom, the first sliding buckle 241 cooperates with the first gap 151, and the second sliding buckle 242 cooperates with the second gap 152, under the action of the elastic member 3, the second member 2 moves towards the first gap 12, so that the first sliding buckle 241 moves into the first sliding guide groove 161, and the second sliding buckle 242 moves into the second sliding guide groove 162, thereby enabling the first member 1 and the second member 2 to be clamped.

[0045] In the embodiment, the elastic member 3 is in a compressed state when the second member 2 is in the assembled position and the disengaged position, the compression amount of the elastic member 3 is d1 when the second member 2 is in the assembled position, and the compression amount of the elastic member 3 is d2 when the second member 2 is in the disengaged position, wherein d1 is less than d2. In this way, the second member 2 is always subjected to the action of the elastic member 3 to press the guide rail 5 tightly against the first member 1 when it is in the assembled position, thereby ensuring the firmness of the installation between the electrical equipment 4 and the guide rail 5.

[0046] Referring to Figures 6-7As shown, the limiting group 22 includes a first limiting baffle 221 and two second limiting baffles 222, the two second limiting baffles 222 are oppositely arranged, and the first limiting baffle 221 is located on one side of the two second limiting baffles 222. In this embodiment, the first limiting baffle 221 is a U-shaped plate with an opening facing the two second limiting baffles 222.

[0047] Specifically, the first member 1 is provided with a limiting support plate 17 corresponding to the first limiting baffle 221, and the limiting support plate 17, the first limiting baffle 221 and the two second limiting baffles 222 define a limiting space for accommodating the elastic member 3. One end of the elastic member 3 is sleeved on the limiting support 11, and the other end of the elastic member 3 is located in the limiting space and abuts against the first limiting baffle 221. In this way, when the elastic member 3 is subjected to an external force, it can contract in a predetermined direction without twisting, thereby avoiding the risk of the elastic member 3 falling off.

[0048] In this embodiment, the first member 1 is installed on the electrical equipment 4, and in order to fixedly connect the first member 1 and the electrical equipment 4, a plurality of through holes 182 are provided on the first member 1, which are used to cooperate with the hole positions on the electrical equipment 4 for the fasteners to pass through.

[0049] In this embodiment, the second member 2 is provided with a guide inclined surface 26 on the side close to the second clamping opening 21, which is inclined towards the direction close to the second clamping opening 21.

[0050] In order to facilitate the operation of the second member 2, in this embodiment, the second member 2 is provided with a disassembly groove 25.

[0051] For further explanation, the assembly process of the sheet metal ear mechanism is also provided in this embodiment, which is as follows:

[0052] The two first sliding buckles 241 and the two second sliding buckles 242 on the second member 2 are respectively aligned with the two first notches 151 and the two second notches 152 on the first member 1, and then are put in. After the two first sliding buckles 241 and the two second sliding buckles 242 are installed in place, the second member 2 is pushed along the length direction of the first member 1, so that the first sliding buckle 241 slides into the first sliding guide groove 161 to hook the first guide protrusion 141, and the second sliding buckle 242 slides into the second sliding guide groove 162 to hook the second guide protrusion 142. Then the elastic member 3 is installed along the mounting hole 181 on the back of the first member 1, so that one end of the elastic member 3 is sleeved on the limiting support 11, and the other end of the elastic member 3 is located in the limiting space defined by the limiting support plate 17, the first limiting baffle 221 and the two second limiting baffles 222.

[0053] In the embodiment, the installation mode of the electrical equipment 4 has two modes, which are as follows:

[0054] The first installation mode is that the first component 1 is first locked on one side of the electrical equipment 4 by means of fasteners such as screws and bolts, the second component 2 is moved backward by means of a lever, so that the metal hanging ear mechanism is opened, at this time, the elastic member 3 is compressed and stores elastic potential energy, then the metal hanging ear mechanism is placed on the guide rail 5, the first clamping hole 12 of the first component 1 clamps the upper convex edge of the guide rail 5, then the external force is released, under the action of the reaction force of the spring, the second component 2 moves forward to be tightly pressed on the guide rail 5, the second clamping hole 21 on the second component 2 is clamped with the lower convex edge of the guide rail 5, so that the electrical equipment 4 can be quickly installed on the guide rail 5 through the metal hanging ear mechanism.

[0055] The second installation mode is that the first component 1 is first locked on one side of the electrical equipment 4 by means of fasteners such as screws and bolts, the first clamping hole 12 of the first component 1 is hooked on the convex edge of the guide rail 5, then the electrical equipment 4 is pressed downward, under the action of the guide inclined surface 26, the second component 2 is forced to slide backward, so that the metal hanging ear mechanism is opened, the other convex edge of the guide rail 5 is embedded in the second clamping hole 21 of the second component 2, thereby completing the installation of the electrical equipment 4.

[0056] It should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is commonly placed during use, or the orientation or positional relationship commonly understood by those skilled in the art, or the orientation or positional relationship in which the product of the application is commonly placed during use, which is only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the application.

[0057] It should be understood that those skilled in the art can make improvements or changes according to the above description, and all such improvements and changes shall fall within the protection scope of the appended claims of the present application.

[0058] The above exemplary description of the present application is made in conjunction with the drawings, and it is obvious that the implementation of the present application is not limited by the above modes, and various improvements or changes are made by adopting the method concept and technical solution of the present application, or the concept and technical solution of the present application is directly applied to other occasions without improvement, which all fall within the protection scope of the present application.

Claims

1. A sheet metal earing mechanism, characterized by, The utility model relates to a kind of first component (1), second component (2) and elastic member (3), the first component (1) and the second component (2) are connected, the first component (1) is provided with limiting support (11), the first component (1) is provided with first socket (12), and the first socket (12) is used to be matched with the edge of guide rail (5) and is connected with; The second component (2) one end is provided with second socket (21), and the second component (2) is provided with limiting group (22) in, the elastic member (3) one end is contacted with the limiting group (22), and the elastic member (3) other end is contacted with the limiting support (11); The second component (2) can be moved along the length direction of the first component (1), so that the second component (2) can be switched between disassembly position and assembly position relative to the first component (1), when the second component (2) is in assembly position, the second socket (21) is matched with the other edge of guide rail (5) and is connected with. The first component (1) includes first component main body (13) and first guide edge (14), the first guide edge (14) is provided with two, and the two first guide edges (14) are respectively formed by bending upwards from both sides of the first component main body (13).

2. A sheet metal earing mechanism as claimed in claim 1, characterized in that: The second component (2) includes second component main body (23) and second guide edge (24), the second guide edge (24) is provided with two, and the two second guide edges (24) are respectively formed by bending downwards from both sides of the second component main body (23), when the second component (2) is installed on the first component (1), the first guide edge (14) and the second guide edge (24) are parallel.

3. A sheet metal earing mechanism as claimed in claim 2, characterized in that: The first guide edge (14) includes first guide convex part (141), second guide convex part (142) and third guide convex part (143), the first guide convex part (141) and the second guide convex part (142) are spaced apart to form first gap (151), the first guide convex part (141) and first component main body (13) form first sliding guide groove (161) between, the first sliding guide groove (161) is communicated with the first gap (151), the second guide convex part (142) and the third guide convex part (143) are spaced apart to form second gap (152), the second guide convex part (142) and the first component main body (13) form second sliding guide groove (162) between, and the second sliding guide groove (162) is communicated with the second gap (152).

4. A sheet metal earing mechanism as claimed in claim 3, characterized in that: ​ 5. A sheet metal earing mechanism as claimed in claim 4, characterized in that: The second guide edge (24) is provided with a first sliding buckle (241) and a second sliding buckle (242), the first sliding buckle (241) and the second sliding buckle (242) are outwardly extended by the second guide edge (24) and are bent at an angle to form, when the second component (2) is installed on the first component (1) from top to bottom, the first sliding buckle (241) is inserted in the first gap (151), and the second sliding buckle (242) is inserted in the second gap (152).

6. A sheet metal earing mechanism as defined in claim 1, wherein: The limiting group (22) comprises a first limiting baffle (221) and a second limiting baffle (222), the second limiting baffle (222) is provided with two, the two second limiting baffles (222) are oppositely arranged, and the first limiting baffle (221) is located on one side of the two second limiting baffles (222).

7. A sheet metal earing mechanism as claimed in claim 6, characterized in that: The first limiting baffle (221) is a U-shaped plate with an opening facing the two second limiting baffles (222).

8. A sheet metal earing mechanism as claimed in claim 7, characterized in that: The first component (1) is provided with a limiting support plate (17), the limiting support plate (17) corresponds to the first limiting baffle (221), the limiting support plate (17), the first limiting baffle (221) and the two second limiting baffles (222) define a limiting space for accommodating the elastic member (3), one end of the elastic member (3) is sleeved on the limiting support (11), the other end of the elastic member (3) is located in the limiting space and abuts against the first limiting baffle (221).

9. A sheet metal earing mechanism as defined in claim 1 wherein: The second component (2) is provided with a guide inclined surface (26) on one side close to the second clamping hole (21), and the guide inclined surface (26) is inclined towards the direction close to the second clamping hole (21).

10. The sheet metal earing mechanism of claim 1, wherein: The second component (2) is provided with a dismounting groove (25).

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