Screw-free connection structure of VCM elastic sheet and voice coil base

By using a screwless connection structure and a combination of a rectangular frame and a rubber block, the problem of unstable connection between the VCM spring and the voice coil base in existing technologies is solved, achieving the effects of simplified operation and improved sealing.

CN223599624UActive Publication Date: 2025-11-25KUN SHAN FRJ TECH LTD
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Patent Information

Application Number
CN202422958414.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-25
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing connection structure between the VCM spring and the voice coil base is difficult to fix stably after the glue ages, and the operation requires high precision and is not convenient.

Method used

It adopts a screwless connection structure, using a combination of rectangular frame and rubber block design, and achieves a stable connection between the equipment shell and dustproof plate through mounting holes and connecting rods. The sealing element is used to increase the sealing performance, and the operation is simple and quick.

Benefits of technology

It achieves a stable connection between the equipment casing and the dustproof plate, simplifies the operation process, eliminates the need for external tools, and improves the stability and sealing of the connection.

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Patent Text Reader

Abstract

The utility model provides a screw-free connection structure of a VCM elastic sheet and a voice coil base, which belongs to the field of automatic focusing motors, and comprises an equipment shell, an upper end of the equipment shell is provided with a mounting frame which is abutted against the upper end of the equipment shell; a connecting assembly; the connecting assembly comprises a containing groove formed in the mounting frame, four mounting holes are formed in the equipment shell and the mounting frame in a penetrating mode, a dustproof plate is arranged at the bottom of the equipment shell, a sealing piece abutting against the bottom of the equipment shell is fixed to the upper end of the dustproof plate, and four connecting rods are fixed to the dustproof plate. The connecting rod penetrates through the mounting hole and is arranged in a sliding mode, a rubber block is fixed to the connecting rod, and a limiting piece which is buckled on the connecting rod and limits the rubber block is mounted on the mounting frame. The rectangular frame is installed in the containing groove and abuts against the bottom of the rubber block, the rubber block can be limited, then the connecting rod is limited, an equipment shell and the dustproof plate are stably connected, operation is easy and fast, and external tools are not needed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automatic focusing motor technical field especially, a kind of connection structure of VCM spring piece and voice coil base without screw. BACKGROUND

[0002] With the progress of mankind, the development of society, in this increasingly developed age of technology, mobile phone, high-end electronics, tablet computer etc. have camera function, and VCM motor spring piece as indispensable part in camera has great contribution to camera.

[0003] Chinese patent announcement No. CN219592499U discloses a kind of connection structure of VCM spring piece and voice coil base, including equipment shell, the top of the equipment shell is fixed with rubber pad, the top of the rubber pad is fixed with mounting plate, the bottom of the mounting plate is provided with glue filling groove, the inner chamber of the equipment shell is fixed with top support frame, the bottom of the top support frame is fixed with top spring piece, the bottom of the top spring piece is fixed with permanent magnet, the connection structure of the VCM spring piece and voice coil base is set up by fixed screw, rubber pad, glue filling groove, when installing, first, the rubber pad is bonded with glue filling groove, then the equipment shell is connected with rubber pad, and then the fixed screw is inserted into the through hole provided at the contact position of fixed screw and equipment shell, so that the fixed screw is screwed into the threaded hole at the bottom of mounting plate, even after long-term aging of glue, the fixed screw can also be used to fix the equipment.

[0004] Since the connection structure of VCM spring piece and voice coil base is usually small in size, the fixing screw of the above-mentioned equipment is also small, so when fixing the equipment with the fixing screw after the aging of glue, the operation requires high precision and is not convenient. Therefore, the present application provides a connection structure of VCM spring piece and voice coil base without screw. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a connection structure of VCM spring piece and voice coil base without screw.

[0006] The embodiment of the utility model provides a connection structure of VCM spring piece and voice coil base without screw, including equipment shell, the upper end of the equipment shell is provided with abutting mounting frame;Further including connecting assembly;The connecting assembly includes placing groove arranged on mounting frame, four mounting holes are provided through the equipment shell and mounting frame, the bottom of the equipment shell is provided with dustproof plate, the upper end of the dustproof plate is fixed with sealing element abutting with the bottom of the equipment shell, four connecting rods are fixed on the dustproof plate, the connecting rod is provided through mounting hole and is slidably arranged, rubber block is fixed on the connecting rod, and the mounting frame is provided with limiting piece buckled on the connecting rod and limiting rubber block.

[0007] Further, the mounting hole comprises a first through hole and a second through hole, the first through hole is arranged through the equipment shell, the second through hole is arranged through the mounting frame, and the first through hole and the second through hole are coaxially arranged.

[0008] Further, the sealing piece is a rubber ring, and the sealing piece is in a deformed state when being located between the equipment shell and the dustproof plate, so that the sealing property between the equipment shell and the dustproof plate is improved.

[0009] Further, the limiting piece is a rectangular frame, four notches are arranged on the outer wall of the rectangular frame, the notches are sleeved on the connecting rod, and the rectangular frame abuts against the bottom of the rubber block.

[0010] Further, the upper end of the mounting frame is provided with a placing groove in communication with the mounting hole, and the rectangular frame is located in the placing groove.

[0011] Further, the end face of the rubber block, away from the connecting rod, is flush with the end face of the mounting frame.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] The rectangular frame is arranged in the placing groove and abuts against the bottom of the rubber block, so that the rubber block is limited, the connecting rod is limited, the equipment shell and the dustproof plate are stably connected, and the operation is simple, fast and does not need external tools. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the connection structure of the VCM elastic sheet and the voice coil base without screws.

[0015] Fig. 2 It is a schematic view of the placing groove in the connection structure of the VCM elastic sheet and the voice coil base without screws.

[0016] Fig. 3 It is a split view of the connection structure of the VCM elastic sheet and the voice coil base without screws.

[0017] In the above drawings, 1 is an equipment shell, 2 is a dustproof plate, 3 is a mounting frame, 4 is a rectangular frame, 5 is a rubber block, 6 is a placing groove, 7 is a notch, 8 is a sealing piece, 9 is a connecting rod, and 10 is a mounting hole. DETAILED DESCRIPTION

[0018] The technical scheme in the device will be further described in combination with the drawings and embodiments.

[0019] As Figs. 1-3The utility model discloses a kind of connection structure of VCM elastic sheet and voice coil base without screw, including:

[0020] Device shell 1, the upper end of device shell 1 is equipped with the mounting frame 3 of resistance;Wherein, device shell 1 and the components in mounting frame 3 etc.

[0021] Connecting assembly;Connecting assembly includes the placement slot 6 of being arranged on mounting frame 3, four mounting holes 10 are equipped with on device shell 1, mounting frame 3, and mounting hole 10 includes first through-hole, second through-hole, first through-hole is arranged through device shell 1, second through-hole is arranged through mounting frame 3, and first through-hole is coaxially arranged with second through-hole.

[0022] The bottom of device shell 1 is equipped with dustproof plate 2, the upper end of dustproof plate 2 is fixed with the sealing element 8 of resistance with the bottom of device shell 1, sealing element 8 is rubber ring, sealing element 8 is in deformed state when being located between device shell 1, dustproof plate 2, to increase the sealing between both.

[0023] Four connecting rods 9 are fixed on dustproof plate 2, connecting rod 9 is slidably arranged through mounting hole 10, rubber block 5 is fixed on connecting rod 9, and the limiting piece that is buckled on connecting rod 9 and is positioned to rubber block 5 is installed on mounting frame 3, and limiting piece is rectangular frame 4, the outer wall of rectangular frame 4 is equipped with four notches 7, notch 7 is buckled on connecting rod 9 and rectangular frame 4 is in resistance with the bottom of rubber block 5, the upper end of mounting frame 3 is equipped with the placement slot 6 of intercommunication with mounting hole 10, rectangular frame 4 is located in placement slot 6, and the end face of rubber block 5 away from connecting rod 9 is flushly arranged with the end face of mounting frame 3;

[0024] When using, connecting rod 9 is arranged through mounting hole 10 until dustproof plate 2 is in resistance with sealing element 8, then the end notch 7 of rectangular frame 4 is buckled on connecting rod 9 by operating personnel, then drive rectangular frame 4 to be arc-shaped, make the notch 7 on the other end of rectangular frame 4 be buckled on connecting rod 9, then loosen rectangular frame 4, rectangular frame 4 is reset and installed in placement slot 6 and is in resistance with the bottom of rubber block 5, so rubber block 5 can be positioned, and then connecting rod 9 is positioned, so that device shell 1, dustproof plate 2 are stably connected, and it is simple and quick to operate and need not help external tool.

[0025] Finally, it is explained that the above embodiment is only used to illustrate the technical scheme of the utility model and is not limited, although the utility model is described in detail with reference to the preferred embodiment, ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or equivalent replaced, without departing from the technical scheme of the utility model, and its should be covered in the scope of the claims of the utility model.

Claims

1. A screwless connection structure of a VCM diaphragm and a voice coil base, characterized in that, Include: The device shell (1), the upper end of the device shell (1) is provided with a mounting frame (3) that is resistant to each other; The connecting assembly; the connecting assembly includes a placing groove (6) provided on the mounting frame (3), the device shell (1), the mounting frame (3) is provided with four mounting holes (10), the bottom of the device shell (1) is provided with a dustproof plate (2), the upper end of the dustproof plate (2) is fixed with a sealing element (8) that is resistant to the bottom of the device shell (1), the dustproof plate (2) is fixed with four connecting rods (9), the connecting rod (9) penetrates the mounting hole (10) and is slidably arranged, the connecting rod (9) is fixed with a rubber block (5), the mounting frame (3) is provided with a limiting piece that is buckled on the connecting rod (9) and limits the rubber block (5).

2. The screwless connection structure of the VCM diaphragm and the voice coil base according to claim 1, characterized in that, The mounting hole (10) includes a first through hole and a second through hole, the first through hole penetrates the device shell (1), the second through hole penetrates the mounting frame (3), and the first through hole and the second through hole are coaxially arranged.

3. The screwless connection structure of the VCM elastic sheet and the voice coil base according to claim 1, characterized in that, The sealing element (8) is a rubber ring, and the sealing element (8) is in a deformed state when located between the device shell (1) and the dustproof plate (2).

4. The screwless connection structure of the VCM elastic sheet and the voice coil base according to claim 1, characterized in that, The limiting piece is a rectangular frame (4), the outer wall of the rectangular frame (4) is provided with four notches (7), the notch (7) is sleeved on the connecting rod (9), and the rectangular frame (4) is resistant to the bottom of the rubber block (5).

5. The screwless VCM diaphragm and voice coil base connection structure according to claim 4, characterized in that, The upper end of the mounting frame (3) is provided with a placing groove (6) in communication with the mounting hole (10), and the rectangular frame (4) is located in the placing groove (6).

6. The screwless VCM diaphragm and voice coil base connection structure of claim 1, wherein, The end face of the rubber block (5) away from the connecting rod (9) is flush with the end face of the mounting frame (3).

Citation Information

Patent Citations

  • Connection structure of VCM elastic sheet and voice coil base

    CN219592499U