Lossless metal elastic sheet assembling clamp

Abstract

The utility model discloses a lossless metal elastic sheet assembling clamp, comprising a clamp body on which a plurality of assembling positions are distributed at intervals; the side edge of the positioning strip is accommodated in the assembling position, and a supporting part for the sliding arm main body to abut against is formed on the side edge of the positioning strip; a profiling positioning groove used for positioning the metal elastic sheet is formed in each assembling position in a sunken mode. And when one end of the sliding arm main body is placed on the assembly position and swings downwards, the metal elastic sheet is buckled on the sliding arm main body. According to the utility model, the clamp body accommodates the elastic sheet through the assembling position, and the profiling positioning groove can position the metal elastic sheet, so that the metal elastic sheet can be ensured not to deform accidentally, and the nondestructive assembling of the metal elastic sheet is effectively realized. The metal elastic sheet assembling tool is provided with a plurality of assembling positions, each assembling position is internally provided with a positioning groove, a plurality of metal elastic sheets can be assembled at a time, the assembling efficiency is effectively improved, and the metal elastic sheet assembling tool is suitable for being popularized and applied to assembling of various elastic sheets.

Description

A non-destructive metal shrapnel assembly fixture Technical Fields

[0001] This utility model relates to the field of installation auxiliary tools, and specifically to a non-destructive metal spring assembly fixture. Background Technology:

[0002] To provide better wearing comfort and stability, over-ear headphones incorporate a spring-loaded tab on the sliding arm. This tab increases the support of the sliding arm, ensuring the headphones stay securely in place on the head and reducing pressure or discomfort from prolonged wear. Simultaneously, this design allows users to adjust the wearing angle of the headphones to their needs, ensuring a better fit and a more personalized wearing experience. This flexibility not only improves wearing comfort but also enhances the adaptability of the headphones.

[0003] Previously, spring clips were generally assembled manually, which was not only inefficient but also prone to deformation, increasing errors and making it difficult to meet production requirements. Therefore, some have proposed using installation fixtures to improve production efficiency. For example, Chinese utility model patent application CN212825028U discloses a quick C-shaped spring clip installation fixture, which includes: a shrink guide sleeve, a first groove on the inner wall of the shrink guide sleeve, a sleeve slidably connected to the inner wall of the first groove, and a second groove on the inner wall of the shrink guide sleeve, a tube slidably connected to the inner wall of the second groove. When the C-shaped spring clip moves to the slot position, a shrinking pressure rod automatically lifts the C-shaped spring clip into the slot, and finally the C-shaped spring clip is compressed into the sleeve, completing the assembly. This can solve the problems of unstable C-shaped spring clip dimensions, difficulty in installation, and incomplete installation.

[0004] However, this existing quick C-type spring clip installation fixture still has the following shortcomings:

[0005] In this technical solution, the shrink guide sleeve automatically lifts the C-shaped spring into the slot through the shrink pressure rod. Finally, the C-shaped spring is compressed into the sleeve. However, since the spring is prone to deformation due to compression, it affects the product quality. Moreover, such a structure is often only suitable for springs with a C-shaped shape, and it is difficult to apply to springs with other shapes, resulting in poor applicability.

[0006] In view of the above, the inventors propose the following technical solution. Invention content and utility model content:

[0007] The purpose of this invention is to overcome the shortcomings of the prior art and provide a non-destructive metal spring assembly fixture.

[0008] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a non-destructive metal spring assembly fixture, comprising: a fixture body, wherein a plurality of assembly positions for accommodating the sliding arm body are spaced apart on the fixture body; a positioning strip, which is disposed on the fixture body and used to position the sliding arm body, the side of the positioning strip being accommodated in the assembly position and forming a support portion for the sliding arm body to abut against; each assembly position is recessed and formed with a contoured positioning groove for positioning the metal spring; when one end of the sliding arm body is placed on the assembly position and swung downward, the metal spring is fastened to the sliding arm body.

[0009] Furthermore, in the above technical solution, a spring-loaded protrusion is formed on the metal spring sheet, and a positioning sub-groove for accommodating the spring-loaded protrusion is formed in the contour positioning groove.

[0010] Furthermore, in the above technical solution, a first magnet groove is recessed in the positioning sub-groove, and a first magnet for magnetically positioning the metal spring piece is provided in the first magnet groove.

[0011] Furthermore, in the above technical solution, the metal spring is respectively formed with a first fastening arm and a second fastening arm; the contour positioning groove is also extended to form a first clearance groove for the first fastening arm to elastically open.

[0012] Furthermore, in the above technical solution, a connecting protrusion is formed on the sliding arm body. When one end of the sliding arm body is placed in the contour positioning groove, the connecting protrusion will abut against the support, so that the sliding arm body can swing with the connecting protrusion as the fulcrum.

[0013] Furthermore, in the above technical solution, the sliding arm body has a recessed groove for installing a metal spring, and the sliding arm body has a first fastening part for the first fastening arm to fasten, and the recessed groove also has a second fastening part for the second fastening arm to fasten.

[0014] Furthermore, in the above technical solution, the sliding arm body has a first locking protrusion and a second locking protrusion protruding out, and correspondingly, the assembly position has a first stepped groove and a second stepped groove recessed in; wherein, the first stepped groove and the second stepped groove are located on both sides of the contour positioning groove.

[0015] Furthermore, in the above technical solution, the clamp body is rectangular; the clamp body is provided with a mounting groove for installing the positioning strip.

[0016] Furthermore, in the above technical solution, the positioning strip is made of flexible plastic.

[0017] After adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art: In this utility model, the clamp body accommodates the spring piece through the assembly position. The contour positioning groove can position the metal spring piece. During installation, simply align the sliding arm body with the spring piece and apply a certain force downward to secure the metal spring piece to the sliding arm body without damage. The operation is very convenient, and no squeezing or compression is required, ensuring that the metal spring piece will not undergo accidental deformation, effectively achieving non-destructive assembly of the metal spring piece. Furthermore, compared with existing structures, this utility model has multiple assembly positions, each with a positioning groove, enabling the assembly of multiple metal spring pieces at once, effectively improving assembly efficiency and making it suitable for widespread application in the assembly of various spring pieces. Figure description:

[0018] Figure 1 is a structural schematic diagram of this utility model;

[0019] Figure 2 is a schematic diagram of the usage state of this utility model;

[0020] Figure 3 is an enlarged view of point A in Figure 2;

[0021] Figure 4 is a cross-sectional schematic diagram of this utility model;

[0022] Figure 5 is an enlarged view of point B in Figure 4;

[0023] Figure 6 is a structural schematic diagram of the sliding arm body in this utility model;

[0024] Figure 7 is a schematic diagram of the structure of the metal spring in this utility model;

[0025] Figure 8 is a schematic diagram of the assembly of the metal spring and the sliding arm body in this utility model;

[0026] Figure 9 is a cross-sectional schematic diagram of this utility model. Detailed implementation method:

[0027] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0028] As shown in Figures 1 to 9, a non-destructive metal spring assembly fixture is provided, comprising: a fixture body 1, on which a plurality of assembly positions 11 for accommodating a sliding arm body 3 are distributed at intervals; a positioning strip 2, which is disposed on the fixture body 1 and used to position the sliding arm body 3, the side of the positioning strip 2 being accommodated in the assembly position 11 and forming a support portion 23 for the sliding arm body 3 to abut against; each assembly position 11 is recessed with a contoured positioning groove 111 for positioning a metal spring 4; when one end of the sliding arm body 3 is placed on the assembly position 11 and swung downward, the metal spring 4 is fastened to the sliding arm body 3.

[0029] In this invention, the clamp body 1 accommodates the spring piece 4 via the assembly position 11. The contour positioning groove 111 positions the metal spring piece 4. During installation, simply align the sliding arm body 3 with the spring piece 4 and apply a certain force downwards to secure the metal spring piece 4 to the sliding arm body 3 without damage. This operation is very convenient, and since no compression is required, the metal spring piece 4 will not undergo accidental deformation, effectively achieving non-destructive assembly of the metal spring piece 4. Furthermore, compared to existing structures, this invention has multiple assembly positions 11, each with a positioning groove 111, enabling the assembly of multiple metal spring pieces 4 at once, effectively improving assembly efficiency and making it suitable for widespread application in the assembly of various spring pieces.

[0030] A spring-loaded protrusion 41 is formed on the metal spring sheet 4, and a positioning sub-groove 1101 for accommodating the spring-loaded protrusion 41 is provided in the contour positioning groove 111. Here, the spring-loaded protrusion 41 is a key part of the metal spring sheet 4, and the height of the spring-loaded protrusion 41 has a fixed standard. In the past, when assembled manually, it was easy to deform due to compression, which affected the height of the spring-loaded protrusion 41, thus reducing the product qualification rate. This utility model uses the positioning groove 111 to accommodate the metal spring sheet 4 and the positioning sub-groove 1101 to accommodate the spring-loaded protrusion 41, so that the spring-loaded protrusion 41 will not be squeezed during the assembly process, effectively ensuring the product qualification rate.

[0031] To further prevent the metal spring 4 from accidentally moving during assembly, this invention provides a first magnet 1103 within the positioning sub-slot 1101 for magnetic positioning of the metal spring 4. Specifically, the positioning sub-slot 1101 also has a recessed first magnet groove 1102, within which the first magnet 1103 is provided for magnetic positioning of the metal spring 4. Here, when the metal spring 4 is placed into the positioning groove 111, the first magnet 1103 can attract the metal spring 4, improving the efficiency of loading and unloading the metal spring 4.

[0032] In one embodiment of this utility model, as shown in Figures 4 and 5, when the metal spring 4 is placed into the positioning groove 11, the upper end of the first magnet 1103 is in contact with the spring protrusion 41. During assembly, the sliding arm body 3 presses the metal spring 4 downward, and the first magnet 1103 will generate a supporting force on the spring protrusion 41, so that the first snap-fit ​​arm 42 and the second snap-fit ​​arm 43 of the metal spring 4 can better open to both ends, so as to achieve non-destructive assembly.

[0033] In another embodiment of this utility model, as shown in Figure 9, when the metal spring 4 is placed into the positioning groove 11, the upper end of the first magnet 1103 does not contact the spring protrusion 41, that is, the volume of the first magnet 1103 is smaller, and there is extra space in the first magnet groove 1102 for the spring protrusion 41 to extend into. When assembling, firstly, the connecting protrusion 31 of the sliding arm body 3 is placed against the support 23, so that the sliding arm body 3 can swing with the support 23 as the fulcrum. Further, the sliding arm body 3 is swung until the second fastening part 322 and the second fastening arm 43 are fastened together and the second fastening arm 43 is slightly pressed down, so that the first fastening arm 42 is slightly raised. At this time, the connecting protrusion 31 will leave the support 23. Finally, the sliding arm body 3 is pressed down on the first fastening arm 42, so that the first fastening part 321 and the first fastening arm 42 are fastened together, thus realizing the non-destructive assembly of the metal spring 4.

[0034] The metal spring sheet 4 is respectively formed with a first fastening arm 42 and a second fastening arm 43; the contour positioning groove 111 also extends to form a first clearance groove 1104 for the first fastening arm 42 to elastically open. Here, when the first fastening arm 42 and the second fastening arm 43 of the metal spring sheet 4 are fastened to the sliding arm body 3, they will be squeezed by the sliding arm body 3 and elastically open outward to complete the fastening. This requires that the contour positioning groove 111 has a certain interference space, otherwise the metal spring sheet 4 is easily deformed by pressure. Therefore, the first clearance groove 1104 is provided for the first fastening arm 42 to elastically open, and the second fastening arm 43 has space to open because it is close to the opening.

[0035] The sliding arm body 3 has a recessed groove 32 for mounting a metal spring 4. A first fastening part 321 for fastening the first fastening arm 42 is provided within the groove 32. The sliding arm body 3 also has a second fastening part 322 for fastening the second fastening arm 43. A connecting protrusion 31 is formed on the sliding arm body 3. When one end of the sliding arm body 3 is placed in the contour positioning groove 111, the connecting protrusion 31 abuts against the support part 23, allowing the sliding arm body 3 to swing using the connecting protrusion 31 as a fulcrum. Here, during assembly, the connecting protrusion 31 of the sliding arm body 3 is first placed against the support part 23. Then, the sliding arm body 3 is swung downward with the connecting protrusion 31 as the fulcrum. Then, the first fastening arm 42 is fastened to the first fastening part 321, and the second fastening arm 43 is fastened to the second fastening part 322, thus completing the fastening. The fixture body 1 is provided with multiple assembly positions 11, which can install multiple metal spring pieces 4 at one time, effectively improving the assembly efficiency.

[0036] The sliding arm body 3 has a first locking protrusion 301 and a second locking protrusion 302 protruding out, and correspondingly, the assembly position 11 has a first stepped groove 113 and a second stepped groove 114 recessed in it; wherein, the first stepped groove 113 and the second stepped groove 114 are located on both sides of the contour positioning groove 111.

[0037] The clamp body 1 is rectangular; the clamp body 1 has a mounting groove 120 for mounting the positioning strip 2. The positioning strip 2 is made of flexible plastic. Preferably, the positioning strip 2 is made of flexible TPU, so that the flexible positioning strip 2 can avoid damaging the sliding arm body 3 during assembly.

[0038] In summary, in this invention, the clamp body 1 accommodates the spring piece 4 through the assembly position 11. The contour positioning groove 111 positions the metal spring piece 4. During installation, simply align the sliding arm body 3 with the spring piece 4 and apply a certain force downwards to secure the metal spring piece 4 to the sliding arm body 3 without damage. This operation is very convenient, and since no compression is required, the metal spring piece 4 will not undergo accidental deformation, effectively achieving non-destructive assembly of the metal spring piece 4. Furthermore, compared to existing structures, this invention has multiple assembly positions 11, each with a positioning groove 111, enabling the assembly of multiple metal spring pieces 4 at once, effectively improving assembly efficiency and making it suitable for widespread application in the assembly of various spring pieces.

[0039] Of course, the above description is only a specific embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. A non-destructive metal spring assembly fixture, characterized in that, include: The clamp body (1) has multiple assembly positions (11) spaced apart for accommodating the sliding arm body (3); the positioning strip (2) is set on the clamp body (1) and used to position the sliding arm body (3). The side of the positioning strip (2) is accommodated in the assembly position (11) and forms a support part (23) for the sliding arm body (3) to abut against; each assembly position (11) has a recessed positioning groove (111) for positioning the metal spring (4); when one end of the sliding arm body (3) is placed on the assembly position (11) and swung downward, the metal spring (4) is fastened to the sliding arm body (3).

2. The non-destructive metal spring assembly fixture according to claim 1, characterized in that: A spring-loaded protrusion (41) is formed on the metal spring sheet (4), and a positioning sub-groove (1101) for accommodating the spring-loaded protrusion (41) is provided in the contour positioning groove (111).

3. The non-destructive metal spring assembly fixture according to claim 2, characterized in that: The positioning sub-groove (1101) is also recessed and formed with a first magnet groove (1102), and a first magnet (1103) is provided in the first magnet groove (1102) for magnetically positioning the metal spring (4).

4. A non-destructive metal spring assembly fixture according to any one of claims 1-3, characterized in that: The metal spring sheet (4) is respectively formed with a first fastening arm (42) and a second fastening arm (43); the contour positioning groove (111) is also formed with a first clearance groove (1104) for the first fastening arm (42) to elastically open.

5. The non-destructive metal spring assembly fixture according to claim 4, characterized in that: A connecting protrusion (31) is formed on the sliding arm body (3). When one end of the sliding arm body (3) is placed in the contour positioning groove (111), the connecting protrusion (31) will abut against the support part (23), so that the sliding arm body (3) can swing with the connecting protrusion (31) as the fulcrum.

6. The non-destructive metal spring assembly fixture according to claim 4, characterized in that: The sliding arm body (3) has a recessed groove (32) for installing a metal spring (4). The sliding arm body (3) has a first fastening part (321) for the first fastening arm (42) to fasten. The recessed groove (32) also has a second fastening part (322) for the second fastening arm (43) to fasten.

7. The non-destructive metal spring assembly fixture according to claim 4, characterized in that: The sliding arm body (3) has a first locking protrusion (301) and a second locking protrusion (302) protruding out. Correspondingly, the assembly position (11) has a first stepped groove (113) and a second stepped groove (114) recessed in it. The first stepped groove (113) and the second stepped groove (114) are located on both sides of the contour positioning groove (111).

8. A non-destructive metal spring assembly fixture according to any one of claims 5-7, characterized in that: The clamp body (1) is rectangular; the clamp body (1) is provided with a mounting groove (120) for mounting the positioning strip (2).

9. A non-destructive metal spring assembly fixture according to any one of claims 5-7, characterized in that: The positioning strip (2) is made of flexible plastic.

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