Optical motor frame

Abstract

The utility model discloses an optical motor frame, which comprises an approximately square insulating main body and a steel sheet fixedly held in the insulating main body, and the insulating main body is formed by plastic injection molding and is provided with a plurality of side wall parts positioned on four sides of the square and a plurality of connecting parts respectively connected with two adjacent side wall parts. And the steel sheet is provided with a plurality of lengthwise side plate parts embedded in the corresponding side wall parts. The steel sheet is provided with a bending part which is bent and extends from the two lengthwise ends of the side plate part, the bending part is fixedly held in the connecting part and is provided with a through glue grabbing hole, and the plastic of the connecting part is filled in the glue grabbing hole and wraps the periphery of the bending part. The bending part of the steel sheet is embedded in the thick position of the plastic cement of the insulation main body, and the plastic cement is filled in the plastic cement grabbing hole and then completely wraps the steel sheet, so that the combination amount of the steel sheet and the plastic cement is increased. The rubber grabbing amount of the steel sheet is increased, the overall strength of a product is improved, and the problems that the product is prone to breakage and cracking are solved.

Description

Technical Field

[0001] The utility model relates to the field of optical technology, in particular to an optical motor frame with good strength. Background Art

[0002] For optical motors, the optical motor generally includes a motor frame, and electronic components are arranged on the motor frame. The electronic components include an FPCB board and coils and IC electronic components connected to the FPCB board. The existing motor frame is provided with a plastic body and a steel sheet fixed in the plastic body, that is, the plastic body is coated on the periphery of the steel sheet, and the steel sheet is usually used to improve the overall strength of the motor frame. However, the plastic coating of the plastic body on the outside of the steel sheet is relatively thin (generally only 0.10mm), and after the plastic body and the steel sheet are injection molded, the strength of the joint part of the plastic is relatively weak, and the joint part is prone to cracking or breaking after the optical motor vibrates.

[0003] Therefore, it is hoped to propose a new optical motor frame to overcome the above-mentioned defects. Utility Model Content

[0004] The utility model aims to provide an optical motor frame, which has an improved steel sheet structure to improve the overall strength of the product.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: an optical motor frame, comprising a substantially square insulating body and a steel sheet fixed in the insulating body, the insulating body is formed by plastic injection molding and is provided with a plurality of side wall portions located at the four sides of the square and a plurality of connecting portions respectively connecting two adjacent side wall portions, the steel sheet is provided with a plurality of longitudinal side plate portions buried in the corresponding side wall portions. The steel sheet is provided with a bending portion extending from both longitudinal ends of the side plate portion, the bending portion is fixed in the connecting portion and is provided with a through-going glue grabbing hole, the plastic of the connecting portion is filled in the glue grabbing hole and covers the outer periphery of the bending portion.

[0006] In a preferred embodiment, two adjacent bending portions extend toward each other and are not connected.

[0007] In a preferred embodiment, the rubber grabbing hole extends from the bent portion to the side plate portion.

[0008] In a preferred embodiment, the side plate portion is provided with a plurality of hollow portions penetrating the side plate portion, and the plastic of the side wall portion is filled in the hollow portions and covers the outer periphery of the side plate portion.

[0009] In a preferred embodiment, the plastic body is provided with a top wall portion extending inwardly from the top of the side wall portion, and both ends of the top wall portion are connected to the connecting portion.

[0010] In a preferred embodiment, the steel sheet is provided with a top plate portion which is bent and extended inwardly from the top of the side plate portion, and the top plate portion is buried in the top wall portion.

[0011] In a preferred embodiment, the top plate portion is provided with a plurality of openings penetrating the top plate portion, and the plastic of the top wall portion is filled in the openings and covers the outer periphery of the top plate portion.

[0012] In a preferred embodiment, at least one of the openings extends from the top plate portion to the side plate portion.

[0013] In a preferred embodiment, the steel sheet is formed by stamping and bending a metal part and is provided with several extension portions respectively connecting two adjacent side plate portions, the plane where the extension portions are located is roughly parallel to the plane where the top plate portion is located, and the extension portions are buried in the connecting portions.

[0014] In a preferred embodiment, the extension portion is connected to the junction of the side plate portion and the bending portion, and the extension portion is located above the bending portion.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the steel sheet is provided with a bent portion extending from both ends of the longitudinal length of the side plate portion, the bent portion is fixed in the connecting portion and provided with a through-hole for catching glue, the plastic of the connecting portion is filled in the catching glue hole and covers the outer periphery of the bent portion. The bent portion of the steel sheet is buried in the thicker position of the plastic of the insulating body, and the plastic is filled in the catching glue hole to completely wrap the steel sheet, thereby increasing the bonding amount of the steel sheet and the plastic; that is, the catching glue amount of the steel sheet is increased, thereby improving the overall strength of the product and improving the problem of easy breakage and cracking of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the optical motor frame in a preferred embodiment of the utility model.

[0017] Figure 2 yes Figure 1 An exploded schematic diagram of the optical motor frame is shown.

[0018] Figure 3 yes Figure 2 A partial enlarged view of the steel sheet in the optical motor frame is shown.

[0019] Figure 4 yes Figure 1 Bottom view of the optical motor frame shown.

[0020] Figure 5 yes Figure 4 A cross-sectional view of the optical motor frame is shown.

[0021] Figure 6 yes Figure 5 A partial enlarged view of the optical motor frame shown. DETAILED DESCRIPTION

[0022] See also Figures 1 to 6 As shown, the preferred embodiment of the utility model discloses an optical motor frame 100, which is used to carry an optical lens and an optical motor in the same module. The optical motor frame 100 includes a substantially square insulating body 10 and a steel sheet 20 fixed in the insulating body 10. The steel sheet 20 is embedded in the insulating body 10 to improve the overall strength of the optical motor frame 100.

[0023] See also Figure 2 As shown, the insulating body 10 is formed by plastic injection molding, and the insulating body 10 is provided with four side wall portions 11 located on the four sides of the square, four connecting portions 12 respectively connecting two adjacent side wall portions 11, and four top wall portions 13 extending inward from the top of the side wall portion 11. Each adjacent two of the side wall portions 11 are arranged vertically to each other, and the connecting portion 12 connects the side wall portions 11 together to form a whole, and the height of the connecting portion 12 is substantially the same as that of the side wall portion 11. Both ends of each of the top wall portions 13 are connected to the connecting portion 12, and the side wall portions 11, the connecting portion 12 and the top wall portion 13 are jointly surrounded to form a receiving cavity (not numbered) to accommodate components such as optical lenses and optical motors.

[0024] See also Figure 2 and Figure 3 As shown, the steel sheet 20 is formed by stamping and bending a metal part, and the steel sheet 20 is provided with a plurality of longitudinal side plate portions 21 embedded in the corresponding side wall portion 11, bent portions 22 bent and extended from the longitudinal ends of the side plate portions 21, a top plate portion 23 bent and extended inwardly from the top of the side plate portion 21, and a plurality of extension portions 24 respectively connecting two adjacent side plate portions 21. Each adjacent two of the side plate portions 21 are arranged perpendicular to each other, and the adjacent two bent portions 22 extend toward each other and are not connected.

[0025] Combination Figures 4 to 6 As shown, the side panel portion 21 is provided with a plurality of hollow portions 211 penetrating the side panel portion 21, and the plastic of the side wall portion 11 is filled in the hollow portions 211 and covered on the outer periphery of the side panel portion 21, thereby, the hollow portions 211 increase the grip of the side panel portion 21 in the side wall portion 11, and the setting of the side panel portion 21 improves the strength of the side wall portion 11.

[0026] The bending portion 22 is fixed in the connecting portion 12 and is provided with a through-hole 221 for catching glue. The plastic of the connecting portion 12 is filled in the catching glue hole 221 and covers the outer periphery of the bending portion 22. The bending portion 22 of the steel sheet 20 is embedded in the thicker position of the plastic of the insulating body 10, and the plastic is filled in the catching glue hole 221 to completely cover the bending portion 22, which not only increases the amount of glue caught by the bending portion 22 of the steel sheet 20 at the connecting portion 12, but also improves the overall strength of the connecting portion 12. In this embodiment, the catching glue hole 221 also extends from the bending portion 22 to the side plate portion 21.

[0027] The top plate 23 is embedded in the top wall 13, and is provided with a plurality of openings 231 penetrating the top plate 23. The plastic of the top wall 13 is filled in the openings 231 and covers the outer periphery of the top plate 23. Similarly, it can be known that the openings 231 increase the grip of the top plate 23 in the top wall 13, and the provision of the top plate 23 improves the strength of the top wall 13. In this embodiment, at least one of the openings 231 extends from the top plate 23 to the side plate 21.

[0028] In this embodiment, both ends of the extension portion 24 are connected to the junction of the side plate portion 21 and the bent portion 22, and the extension portion 24 is located above the bent portion 22 to connect the steel sheet 20 into a whole. At the same time, the plane where the extension portion 24 is located is roughly parallel to the plane where the top plate portion 23 is located, and the extension portion 24 is buried in the connecting portion 12, further improving the strength of the top portion of the connecting portion 12.

[0029] In the present invention, the steel sheet 20 is provided with a bent portion 22 extending from both ends of the longitudinal length of the side plate portion 21, the bent portion 22 is fixed in the connection portion 12 and is provided with a through-hole 221 for catching glue, the plastic of the connection portion 12 is filled in the catching glue hole 221 and covers the outer periphery of the bent portion 22. The bent portion 22 of the steel sheet 20 is buried in the thicker position of the plastic of the insulating body 10, and the plastic is filled in the catching glue hole 221 to completely wrap the steel sheet 20, thereby increasing the bonding amount of the steel sheet 20 and the plastic; that is, increasing the catching glue amount of the steel sheet 20, thereby improving the overall strength of the product and improving the problem of easy breakage and cracking of the product.

[0030] In summary, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. That is, all simple equivalent changes and modifications made according to the claims and description of the present invention should still fall within the scope of the present invention.

Claims

1. An optical motor frame, comprising a substantially square insulating body and a steel sheet fixed in the insulating body, wherein the insulating body is formed by plastic injection molding and is provided with a plurality of side wall portions located at four sides of the square and a plurality of connecting portions respectively connecting two adjacent side wall portions, and the steel sheet is provided with a plurality of longitudinal side plate portions buried in the corresponding side wall portions; characterized in that: The steel sheet is provided with a bending portion extending from both longitudinal ends of the side plate portion, the bending portion is fixed in the connecting portion and is provided with a through-going rubber grabbing hole, and the plastic of the connecting portion is filled in the rubber grabbing hole and covers the outer periphery of the bending portion.

2. The optical motor frame according to claim 1, wherein: Two adjacent bending portions extend toward each other and are not connected.

3. The optical motor frame according to claim 1, wherein: The rubber grabbing hole extends from the bending portion to the side plate portion.

4. The optical motor frame according to claim 1, wherein: The side plate portion is provided with a plurality of hollow portions penetrating the side plate portion, and the plastic of the side wall portion is filled in the hollow portions and covers the outer periphery of the side plate portion.

5. The optical motor frame according to claim 1, wherein: The insulating body is provided with a top wall portion extending inward from the top of the side wall portion, and two ends of the top wall portion are connected to the connecting portion.

6. The optical motor frame according to claim 5, wherein: The steel sheet is provided with a top plate portion which is bent and extended inwardly from the top of the side plate portion, and the top plate portion is buried in the top wall portion.

7. The optical motor frame according to claim 6, wherein: The top plate portion is provided with a plurality of openings penetrating the top plate portion, and the plastic of the top wall portion is filled in the openings and covers the outer periphery of the top plate portion.

8. The optical motor frame according to claim 7, wherein: At least one of the openings extends from the top plate portion to the side plate portion.

9. The optical motor frame according to claim 6, wherein: The steel sheet is formed by stamping and bending a metal part and is provided with a plurality of extension parts respectively connecting two adjacent side plate parts. The plane where the extension parts are located is substantially parallel to the plane where the top plate part is located, and the extension parts are buried in the connecting parts.

10. The optical motor frame according to claim 9, wherein: The extension portion is connected to the junction of the side plate portion and the bending portion, and the extension portion is located above the bending portion.

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