Connecting structure of bimetallic strip

Abstract

The utility model discloses a connecting structure of bimetallic strips, which relates to the technical field of bimetallic strips, and comprises an outer sleeve metal sheet, the front side and the rear side of the outer sleeve metal sheet are respectively provided with a front positioning groove and a rear positioning groove, the top of the outer sleeve metal sheet is provided with a middle groove, the inner side of the middle groove is connected with an assembling plate in a clamping manner, and the assembling plate is provided with a clamping groove. The bottom of the assembly plate is fixedly connected with an embedded metal sheet through a first screw, and a third through groove is formed in the middle of the side face of the outer sleeve metal sheet. And the side surface of the embedded metal sheet is fixedly connected with the connecting column II on the inner side of the outer sleeve metal sheet through the screw II, so that the outer sleeve metal sheet and the embedded metal sheet can be quickly assembled and connected, the connecting gap between the assemblies is small, and meanwhile, the influence on the triggering accuracy when the temperature is too high is also avoided.

Description

Technical Field

[0001] This utility model relates to the field of bimetallic strip technology, and in particular to a connection structure for bimetallic strips. Background Technology

[0002] A bimetallic strip is a composite material composed of two or more metals or other materials with suitable properties. Also known as a thermal bimetallic strip, it deforms because the coefficients of thermal expansion of its constituent layers differ. When the temperature changes, the deformation of the active layer is greater than that of the passive layer. This causes the bimetallic strip to bend towards the passive layer, resulting in a change in the curvature of the composite material and thus deformation.

[0003] Existing bimetallic strips are assembled using spot welding, which is not very safe and results in large gaps between components, further affecting the accuracy of triggering when the temperature is too high. Utility Model Content

[0004] The purpose of this invention is to provide a connection structure for bimetallic strips to solve the problems of low safety and large gaps between components when using spot welding to assemble and connect existing bimetallic strips, which further affects the accuracy of triggering when the temperature is too high.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bimetallic strip connection structure, including an outer metal strip, a front positioning groove and a rear positioning groove respectively opened on the front and rear sides of the outer metal strip, and a middle groove opened on the top of the outer metal strip, an assembly plate is snapped into the inner side of the middle groove, an embedded metal strip is fixedly connected to the bottom of the assembly plate by a screw, a through groove three is opened in the middle of the side of the outer metal strip, a through groove one and a through groove two are opened on the bottom of the embedded metal strip respectively, a connecting post two is fixedly connected to the side of the outer metal strip and snapped into the inner side of the embedded metal strip, and the side of the embedded metal strip is fixedly connected to the connecting post two by a screw.

[0006] As a preferred technical solution of this utility model, the top of the outer metal sheet is provided with a positioning hole, which is located on the side of the front positioning groove; the front and rear sides of the outer metal sheet are respectively provided with a front positioning groove and a rear positioning groove, and the side of the front positioning groove is provided with four positioning holes, which can facilitate the determination of the position of the outer metal sheet on the required bracket and accurately position and install it.

[0007] As a preferred technical solution of this utility model, the bottom of the assembly plate is fixedly connected to a connecting post one, the connecting post one penetrating the inner side of the through groove three on the side of the outer metal sheet, and the inner side of the connecting post one is threadedly connected to the bottom end of the screw one; the sides of the outer metal sheet and the inner metal sheet are assembled with the screw one through the assembly plate and the connecting post one, and the side of the inner metal sheet is fixedly connected to the connecting post two on the inner side of the outer metal sheet through the screw two, which can quickly assemble and connect the outer metal sheet and the inner metal sheet, with small connection gaps between components, and also avoids affecting the accuracy of triggering when the temperature is too high.

[0008] As a preferred embodiment of this utility model, the front end of the embedded metal sheet is provided with an inner positioning groove, which is connected to the rear positioning groove.

[0009] As a preferred embodiment of this utility model, threaded holes are provided on the inner sides of both through groove one and through groove two, and the inner sides of the threaded holes are threadedly connected to the sides of screw one and screw two, respectively.

[0010] As a preferred embodiment of this utility model, the number of the two through slots is four, and the four through slots are distributed at equal intervals on the bottom side of the embedded metal sheet.

[0011] As a preferred technical solution of this utility model, the bottom of the embedded metal sheet is provided with an assembly groove, and the inner side of the assembly groove is engaged with the side of the connecting post one and the connecting post two.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model assembles the outer metal sheet and the inner metal sheet by means of an assembly plate and a connecting post and a screw, and the side of the inner metal sheet is fixedly connected to the connecting post on the inner side of the outer metal sheet by a screw. This allows for quick assembly and connection of the outer metal sheet and the inner metal sheet, with small gaps between components, and also avoids affecting the accuracy of triggering when the temperature is too high.

[0014] 2. This utility model has a front positioning groove and a rear positioning groove on the front and rear sides of the outer metal sheet, respectively. The side of the front positioning groove has four positioning holes, which can facilitate the determination of the position of the outer metal sheet on the required bracket and make it easy to accurately position and install it. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present invention;

[0016] Figure 2 This is a partial structural diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of the bottom structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the embedded metal sheet in this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the inner side of the outer metal sheet in this utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the assembly plate and the connecting column in this utility model.

[0021] In the diagram: 1. Outer metal sheet; 2. Rear positioning groove; 3. Front positioning groove; 4. Positioning hole; 5. Middle groove; 6. Assembly plate; 7. Connecting post one; 8. Screw one; 9. Embedded metal sheet; 10. Positioning groove; 11. Through groove one; 12. Through groove two; 13. Threaded hole; 14. Connecting post two; 15. Screw two; 16. Through groove three. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-6 This utility model provides a bimetallic strip connection structure, including an outer metal strip 1. The front and rear sides of the outer metal strip 1 are respectively provided with a front positioning groove 3 and a rear positioning groove 2. The top of the outer metal strip 1 is provided with a middle groove 5. An assembly plate 6 is snapped into the inner side of the middle groove 5. The bottom of the assembly plate 6 is fixedly connected to an embedded metal strip 9 by a screw 8. A through groove 3 16 is provided in the middle of the side of the outer metal strip 1. The bottom of the embedded metal strip 9 is respectively provided with a through groove 11 and a through groove 2 12. A connecting post 2 14 is fixedly connected to the side of the outer metal strip 1 and snapped into the inner side of the embedded metal strip 9. The side of the embedded metal strip 9 is fixedly connected to the connecting post 2 14 by a screw 2 15.

[0024] In summary, the outer metal sheet 1 and the inner metal sheet 9 are assembled on the sides via the assembly plate 6 and connecting post 7 and screw 8, and the side of the inner metal sheet 9 is fixedly connected to the connecting post 14 on the inner side of the outer metal sheet 1 via screw 15. This allows for quick assembly and connection of the outer metal sheet 1 and the inner metal sheet 9, with small gaps between components. It also avoids affecting the accuracy of triggering when the temperature is too high. The front and rear sides of the outer metal sheet 1 are respectively provided with a front positioning groove 3 and a rear positioning groove 2. The side of the front positioning groove 3 is provided with four positioning holes 4, which facilitates the determination of the position of the outer metal sheet 1 on the required bracket and enables precise positioning and installation. This solves the problem that existing bimetallic sheets are assembled and connected by spot welding, which is not safe and has large gaps between components, further affecting the accuracy of triggering when the temperature is too high.

[0025] The top of the outer metal sheet 1 is provided with a positioning hole 4, which is located on the side of the front positioning groove 3. The front and rear sides of the outer metal sheet 1 are respectively provided with a front positioning groove 3 and a rear positioning groove 2. The side of the front positioning groove 3 is provided with four positioning holes 4, which can facilitate the determination of the position of the outer metal sheet 1 on the required bracket and accurately position and install it. The bottom of the assembly plate 6 is fixedly connected with a connecting post 7, which penetrates the inner side of the through groove 16 on the side of the outer metal sheet 1, and the inner side of the connecting post 7 is threadedly connected to the bottom end of the screw 8. The sides of the outer metal sheet 1 and the embedded metal sheet 9 are assembled with the screw 8 through the assembly plate 6 and the connecting post 7. The side of the embedded metal sheet 9 is fixedly connected to the connecting post 14 on the inner side of the outer metal sheet 1 through the screw 15. The outer metal sheet 1 and the embedded metal sheet 9 can be quickly assembled and connected. The connection gap between the components is small, which also avoids affecting the accuracy of triggering when the temperature is too high. The front end of the embedded metal sheet 9 is provided with an inner positioning groove 10, which is connected to the rear positioning groove 2.

[0026] Both through slot 11 and through slot 2 are provided with threaded holes 13 on their inner sides. The inner sides of the threaded holes 13 are threadedly connected to the sides of screw 18 and screw 2 15 respectively. There are four through slots 2 12. The four through slots 2 12 are distributed at equal intervals on the bottom side of the embedded metal sheet 9. The bottom of the embedded metal sheet 9 is provided with an assembly groove. The inner side of the assembly groove is engaged with the sides of connecting post 1 7 and connecting post 2 14.

[0027] In practical use, firstly, the outer metal sheet 1 is installed with the inner metal sheet 9 using screw 8 and screw 15 respectively, and then installed on the bracket using the front positioning groove 3 and positioning holes 4. The sides of the outer metal sheet 1 and the inner metal sheet 9 are assembled with screw 8 using the assembly plate 6 and connecting post 7, and the side of the inner metal sheet 9 is fixedly connected to the connecting post 14 on the inside of the outer metal sheet 1 using screw 15. This allows for quick assembly and connection of the outer metal sheet 1 and the inner metal sheet 9. The gap between the components is small, which also avoids affecting the accuracy of triggering when the temperature is too high. The front and rear sides of the outer metal sheet 1 are provided with a front positioning groove 3 and a rear positioning groove 2 respectively. The side of the front positioning groove 3 is provided with four positioning holes 4, which can facilitate the determination of the position of the outer metal sheet 1 on the required bracket and enable precise positioning and installation.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A connecting structure of a bimetallic strip comprising an outer metal sheet (1), characterized in that: The outer metal sheet (1) has a front positioning groove (3) and a rear positioning groove (2) on its front and rear sides, respectively. The top of the outer metal sheet (1) has a middle groove (5). An assembly plate (6) is snapped into the inner side of the middle groove (5). An embedded metal sheet (9) is fixedly connected to the bottom of the assembly plate (6) by a screw (8). A through groove (16) is opened in the middle of the side of the outer metal sheet (1). A through groove (11) and a through groove (12) are opened at the bottom of the embedded metal sheet (9). A connecting post (14) is fixedly connected to the side of the outer metal sheet (1) and snapped into the inner side of the embedded metal sheet (9). The side of the embedded metal sheet (9) is fixedly connected to the connecting post (14) by a screw (15).

2. The bimetallic strip connecting structure according to claim 1, wherein: The top of the outer metal sheet (1) is provided with a positioning hole (4), which is located on the side of the front positioning groove (3).

3. The bimetallic strip connecting structure according to claim 1, wherein: The bottom of the assembly plate (6) is fixedly connected to a connecting post (7), which penetrates the inner side of the through groove (16) on the side of the outer metal sheet (1), and the inner side of the connecting post (7) is threadedly connected to the bottom end of the screw (8).

4. The bimetallic strip connecting structure according to claim 1, wherein: The front end of the embedded metal sheet (9) is provided with an inner positioning groove (10), which is connected to the rear positioning groove (2).

5. The bimetallic strip connecting structure according to claim 1, wherein: Both through slot one (11) and through slot two (12) have threaded holes (13) on their inner sides, and the inner sides of the threaded holes (13) are threadedly connected to the sides of screw one (8) and screw two (15), respectively.

6. The bimetallic strip connecting structure according to claim 1, wherein: There are four through slots (12), and the four through slots (12) are distributed at equal intervals on the bottom side of the embedded metal sheet (9).

7. The bimetallic strip connection structure according to claim 1, characterized in that: The bottom of the embedded metal sheet (9) is provided with an assembly groove, and the inner side of the assembly groove is engaged with the side of the connecting post one (7) and the connecting post two (14).

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