Elastic sheet structure of linear motor
By using an integrated connecting plate and spring arm structure, the problems of inconvenient installation and insufficient precision in the welding process of linear motor spring sheet structure are solved, realizing an efficient and precise installation process that is suitable for automated production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-27
AI Technical Summary
The spring sheet structure of existing linear motors requires high-precision assembly during the welding process, which makes automated and precision production difficult. In addition, the existing structure relies on fixed block connections, which affects the ease and accuracy of installation.
It adopts an integrated connecting plate and spring arm body structure. The spring arm body is equipped with a fixing block and is connected to the mass block through the positioning part to achieve precise positioning and simplify the installation process.
It improves the ease and precision of linear motor installation, simplifies the assembly process, and adapts to the needs of automated and precision production.
Smart Images
Figure CN224054092U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vibration motor technical field especially relates to a linear motor elastic sheet structure. BACKGROUND
[0002] The elastic sheet as the core component of the linear motor supports the vibration main body of the motor, transmits the vibration feeling and reserves the energy to cause the resonance effect, the existing elastic sheet adopts stainless steel material, adopts the form of welding when connecting with other components, in order to strengthen the welding strength between the elastic sheet and other parts, generally sets up the fixed block at the welding position to prevent the welding position of the elastic sheet from peeling off from the main body in the vibration process, to improve the accuracy of the motor.
[0003] The vibration motor needs to place the vibration assembly accurately in sequence during assembly, and then weld each connection position, which has high requirements for assembly personnel, and slight deviation between the elastic sheet, the fixed block and the mass block can affect the overall performance of the finished product, in the related art, in order to improve the installation accuracy, the structure of the integrated elastic sheet is used to reduce the welding points of the elastic sheet.
[0004] However, the above structure still needs to realize the connection between the elastic sheet and the mass block or the shell through the fixed block, and this structure form brings challenges to the automation and precision production of the vibration motor. UTILITY MODEL CONTENTS
[0005] In view of at least one of the above technical problems, the utility model provides a linear motor elastic sheet structure, which improves the installation convenience and accuracy of the elastic sheet by improving the linear motor elastic sheet structure.
[0006] According to the first aspect of the utility model, a linear motor elastic sheet structure is provided, which comprises a connecting plate and elastic arm bodies symmetrically arranged on the connecting plate.
[0007] The elastic arm bodies are integrally formed on the connecting plate, the connecting plate has first bending parts connected with the two elastic arm bodies respectively, and the two first bending parts are bent by 90 degrees towards the same side of the connecting plate.
[0008] The connecting plate has a positioning part for connecting with the mass block, and the two ends of the elastic arm body also have fixed blocks, which are integrally formed on the elastic arm body and are connected with the elastic arm body.
[0009] Further, the fixed blocks and the elastic arm bodies are also connected with second bending parts, and the second bending parts are bent by 180 degrees.
[0010] Further, the bending height of the second bending part is less than the height of the fixed block in the vertical direction.
[0011] Further, the second bending part is located at the middle position of the fixed block, and the bending height of the second bending part is not greater than half of the height of the fixed block.
[0012] Further, a cutout extending towards the thickness direction is further arranged on the inner wall of the second bending part, the cutout penetrates the second bending part in the bending height direction, and the cutout is closed after the second bending part is bent by 180 degrees.
[0013] Further, the elastic arm body is in a C shape, comprising a first branch arm connected with the first bending part perpendicularly, a second branch arm connected with the first branch arm, and a third branch arm connected with the second branch arm.
[0014] The first branch arm and the third branch arm are arranged in parallel, and the width of the second branch arm is smaller than that of the first branch arm or the third branch arm.
[0015] Further, the fixed block at the third branch arm is arranged on the side of the third branch arm facing the first branch arm.
[0016] Further, the positioning part is the contour of the connecting plate, and the contour of the connecting plate is matched with the positioning groove on the mass block.
[0017] Further, the two elastic arm bodies are arranged on the connecting plate in a central symmetric or mirror symmetric structure.
[0018] Further, the fixed block and the elastic arm body further have a joint part therebetween, and the joint part is formed by welding.
[0019] The beneficial effects of the utility model are as follows: the utility model is integrally formed by the connecting plate and the elastic arm body, and the fixed block is also integrally formed on the elastic arm body, the relative positions of the connecting plate, the elastic arm body and the fixed block are determined after the first bending part is bent by 90 degrees, the positioning part arranged on the connecting plate is used for connecting with the mass block, in the subsequent installation process, only the connecting plate needs to be installed on the mass block, and the accurate position positioning is completed, and only the mass block needs to be connected with the shell, compared with the prior art, the above-mentioned integrally formed mode not only improves the convenience of installation, but also improves the accuracy of the installation position. BRIEF DESCRIPTION OF DRAWINGS
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the exploded disassembly of the linear motor spring sheet structure and the mass block in an embodiment of this utility model.
[0022] Figure 2 This is a top view of the linear motor spring sheet structure in an embodiment of this utility model;
[0023] Figure 3 This is a schematic diagram of the connection structure of the linear motor spring sheet structure and the connecting block in an embodiment of this utility model;
[0024] Figure 4 As an embodiment of this utility model Figure 1 Enlarged view of section A in the image;
[0025] Figure 5 This is a schematic diagram of the structure of the second bending part in an embodiment of this utility model;
[0026] Figure 6 This is a schematic diagram of the structure of the second bent portion when unfolded in an embodiment of this utility model;
[0027] Figure 7 As an embodiment of this utility model Figure 2 Enlarged view of section B in the image;
[0028] Figure 8 This is a three-dimensional structural diagram of the linear motor spring sheet structure in an embodiment of this utility model;
[0029] Figure 9 This is a modified structure of the linear motor spring sheet structure in the embodiments of this utility model;
[0030] Figure 10 This is another variation of the linear motor spring sheet structure in the embodiments of this utility model.
[0031] Explanation of reference numerals in the attached drawings: 1. Connecting plate; 11. First bending part; 12. Positioning part; 2. Elastic arm body; 21. Fixing block; 21a. Joint part; 22. Second bending part; 22a. Cutout; 23. First support arm; 24. Second support arm; 25. Third support arm; 3. Mass block. Detailed Implementation
[0032] Clearly, the embodiments described are only a part of the embodiments of the present application, and are not all the embodiments.
[0033] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions as used herein are for illustration purposes only and are not intended to be limiting.
[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "therefore" and "and / or" are used in their inclusive sense (and not in their exclusive sense), that is, unless the context clearly indicates otherwise.
[0035] As shown in the linear motor spring piece structure, comprising a connecting plate 1 and a spring arm body 2 symmetrically arranged on the connecting plate 1, and as shown in the specific embodiment, the spring arm body 2 is integrally formed on the connecting plate 1, and the connecting plate 1 has a first bending part 11 connected with the two spring arm bodies 2 respectively, and the two first bending parts 11 are 90 degrees bent towards the same side of the connecting plate 1. Figures 1 to 10 Figure 1 Figure 2 The 90-degree bending of the first bending part 11 makes the spring arm body 2 perpendicular to the plane where the connecting plate 1 is located, so that the connecting plate 1 can reciprocate in the direction of the plane under the support of the spring arm body 2. Figure 3 In the specific embodiment, the connecting plate 1 has a positioning part 12 for connecting with the mass block 3, and the two ends of the spring arm body 2 have a fixing block 21 integrally formed on the spring arm body 2 and connected with the spring arm body 2. The positioning part 12 has various structural forms, for example, a groove or a hole can be formed on the connecting plate 1, which cooperates with the protruding structure on the mass block 3 to realize the quick fixing of the connecting plate 1 and the mass block 3. It should be noted that the integrally formed manner of the connecting plate 1 and the spring arm body 2 has various forms, for example, it can be formed by molding or by sheet metal structure.
[0036] In the above embodiment, through the integral forming of the connecting plate 1 and the elastic arm body 2, and the integral forming of the fixing block 21 on the elastic arm body 2, after the first bending part 11 is bent by 90 degrees, the relative positions of the connecting plate 1, the elastic arm body 2 and the fixing block 21 are determined, through the positioning part 12 arranged on the connecting plate 1 for connecting with the mass block 3, in the subsequent installation process, only the connecting plate 1 needs to be installed on the mass block 3, and the accurate position positioning is completed, and only the mass block 3 needs to be connected with the shell, compared with the prior art, the integral forming mode improves the convenience of installation and the accuracy of the installation position.
[0037] On the basis of the above embodiment, as shown in Figure 1 and Figure 4 , the second bending part 22 is further connected between the fixing block 21 and the elastic arm body 2, and the second bending part 22 is bent by 180 degrees. It should be noted that the two ends of the bending part are connected with the fixing block 21 and the elastic arm body 2 respectively, and when the forming is specifically performed, the fixing block 21 and the elastic arm body 2 can be adhered by bending the second bending part 22 by 180 degrees.
[0038] In the embodiment of the utility model, in order to reduce the rebound force after the sheet metal bending, as shown in Figure 4 , the bending height of the second bending part 22 is less than the height of the fixing block 21 in the vertical direction. It should be noted that the bending height refers to the length of the crease when the second bending part 22 is bent, that is, as shown in Figure 4 , the width of the second bending part 22 is less than the width of the fixing block 21, and through the setting of the structure form, the bending radius can be enlarged, and the gap between the fixing block 21 and the elastic arm body 2 can be reduced. In some embodiments of the utility model, the second bending part 22 is at the middle position of the fixing block 21, and the bending height of the second bending part 22 is not greater than half of the height of the fixing block 21. In addition, in some embodiments of the utility model, in order to avoid the fracture of the second bending part 22 in the later period, the combination part 21a is further arranged between the fixing block 21 and the elastic arm body 2, and the combination part 21a is formed by welding. The combination part 21a here can be a welding spot or a welding seam, and the fixing block 21 and the elastic arm body 2 are further reinforced through the welding spot or the welding seam, so that the service life of the product can be improved.
[0039] In some embodiments, in order to further reduce the rebound force and reduce the gap between the fixing block 21 and the elastic arm body 2, as shown in Figure 5 and Figure 6As shown in FIG. 2, the inner wall of the second bending part 22 is further provided with a cutout 22a extending towards the thickness direction, the cutout 22a penetrates the second bending part 22 in the bending height direction, and the cutout 22a is closed after the second bending part 22 is bent by 180 degrees. It should be noted that the form of the cutout 22a has various forms, for example, it can be a V-shaped cut structure. Through the setting of this structure form, as shown in FIG. 3, the gap between the fixed block 21 and the elastic arm body 2 can be reduced, and the rebound force after bending can also be reduced. After welding, the stress remaining in the material can also be reduced. Figure 5 As shown in FIG. 2, the inner wall of the second bending part 22 is further provided with a cutout 22a extending towards the thickness direction, the cutout 22a penetrates the second bending part 22 in the bending height direction, and the cutout 22a is closed after the second bending part 22 is bent by 180 degrees. It should be noted that the form of the cutout 22a has various forms, for example, it can be a V-shaped cut structure. Through the setting of this structure form, as shown in FIG. 3, the gap between the fixed block 21 and the elastic arm body 2 can be reduced, and the rebound force after bending can also be reduced. After welding, the stress remaining in the material can also be reduced.
[0040] As shown in FIG. 2, the inner wall of the second bending part 22 is further provided with a cutout 22a extending towards the thickness direction, the cutout 22a penetrates the second bending part 22 in the bending height direction, and the cutout 22a is closed after the second bending part 22 is bent by 180 degrees. It should be noted that the form of the cutout 22a has various forms, for example, it can be a V-shaped cut structure. Through the setting of this structure form, as shown in FIG. 3, the gap between the fixed block 21 and the elastic arm body 2 can be reduced, and the rebound force after bending can also be reduced. After welding, the stress remaining in the material can also be reduced. Figure 2 and Figure 8 As shown in FIG. 2, the inner wall of the second bending part 22 is further provided with a cutout 22a extending towards the thickness direction, the cutout 22a penetrates the second bending part 22 in the bending height direction, and the cutout 22a is closed after the second bending part 22 is bent by 180 degrees. It should be noted that the form of the cutout 22a has various forms, for example, it can be a V-shaped cut structure. Through the setting of this structure form, as shown in FIG. 3, the gap between the fixed block 21 and the elastic arm body 2 can be reduced, and the rebound force after bending can also be reduced. After welding, the stress remaining in the material can also be reduced. Figure 8 As shown in FIG. 2, the inner wall of the second bending part 22 is further provided with a cutout 22a extending towards the thickness direction, the cutout 22a penetrates the second bending part 22 in the bending height direction, and the cutout 22a is closed after the second bending part 22 is bent by 180 degrees. It should be noted that the form of the cutout 22a has various forms, for example, it can be a V-shaped cut structure. Through the setting of this structure form, as shown in FIG. 3, the gap between the fixed block 21 and the elastic arm body 2 can be reduced, and the rebound force after bending can also be reduced. After welding, the stress remaining in the material can also be reduced.
[0041] In some embodiments of the present application, in order to reduce the space occupation of the fixed block 21, as shown in FIG. 2, the fixed block 21 at the third branch arm 25 is arranged on the side of the third branch arm 25 facing the first branch arm 23. That is, the fixed block 21 at the third branch arm 25 is folded towards the inside. Through the setting of this structure form, the gap when the third branch arm 25 is connected with the shell can be reduced, the connection area is further enlarged, and the reliability of the product is improved. Figure 7
[0042] In the embodiments of the present application, the positioning mode of the connecting plate 1 and the mass block 3 has various forms, as shown in FIG. 2, the positioning part 12 is the contour of the connecting plate 1, and the contour of the connecting plate 1 is matched with the positioning groove on the mass block 3. It should be noted that the contour of the connecting plate 1 has various forms, which can be a symmetrical rectangular structure as shown in FIG. 2, can be an L-shaped structure as shown in FIG. 3, or can be a structure as shown in FIG. 4. Figure 3 Figure 8 Figure 9 Figure 10 As shown in the linear structure form in the figure, only a groove slightly larger than the profile line needs to be opened on the mass block 3 to realize the positioning of the mass block 3. Figure 9 As shown in the figure, the two elastic arm bodies 2 are arranged in a center symmetry or mirror symmetry structure on the connecting plate 1. Figure 10 As shown in the figure, the two elastic arm bodies 2 are arranged in a center symmetry or mirror symmetry structure on the connecting plate 1.
[0043] Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A linear motor spring sheet structure, characterized in that, Includes a connecting plate and spring arm bodies symmetrically arranged on the connecting plate; The spring arm body is integrally formed on the connecting plate, and the connecting plate has a first bending portion that is connected to the two spring arm bodies respectively, and the two first bending portions are bent at 90 degrees toward the same side of the connecting plate. The connecting plate has a positioning part for connecting with the mass block, and both ends of the spring arm body have fixing blocks. The fixing blocks are integrally formed on the spring arm body and are fitted and connected to the spring arm body.
2. The linear motor spring sheet structure according to claim 1, characterized in that, A second bending section is also connected between the fixing block and the spring arm body, and the second bending section is bent at 180 degrees.
3. The linear motor spring sheet structure according to claim 2, characterized in that, The bending height of the second bend is less than the height of the fixing block in the vertical direction.
4. The linear motor spring sheet structure according to claim 3, characterized in that, The second bent portion is located in the middle of the fixing block, and the bending height of the second bent portion is not greater than half the height of the fixing block.
5. The linear motor spring sheet structure according to claim 2, characterized in that, The inner wall of the second bend is also provided with a cut extending in the thickness direction. The cut penetrates the second bend in the bending height direction and closes after the second bend is bent 180 degrees.
6. The linear motor spring sheet structure according to claim 2, characterized in that, The elastic arm body is C-shaped and includes a first arm that is perpendicularly connected to the first bending portion, a second arm that is connected to the first arm, and a third arm that is connected to the second arm. The first and third arms are arranged in parallel, and the width of the second arm is smaller than that of the first or third arm.
7. The linear motor spring structure according to claim 6, characterized in that, The fixing block at the third arm is located on the side of the third arm facing the first arm.
8. The linear motor spring sheet structure according to claim 1, characterized in that, The positioning part is the outline of the connecting plate, and the outline of the connecting plate is adapted to the positioning groove on the mass block.
9. The linear motor spring sheet structure according to claim 1, characterized in that, The two spring arms are arranged on the connecting plate in a centrally symmetrical or mirror-symmetrical manner.
10. The linear motor spring sheet structure according to claim 2, characterized in that, The fixing block and the spring arm body also have a connecting part, which is formed by welding.