Noise-reducing motor assembly structure

By using an interference fit between a silicone sleeve and the gearbox, along with a misaligned pressure plate and a silicone gasket in the motor assembly of the vehicle-mounted lifting camera, a soft connection is achieved, solving the noise problem of the lifting mechanism and improving the shock absorption and noise reduction effect.

CN223858976UActive Publication Date: 2026-01-30JIANGXI SHENGTAI PRECISION OPTICS CO LTD
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Patent Information

Application Number
CN202520078959.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-30
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

The noise generated by the lifting mechanism of vehicle-mounted cameras during operation affects the user experience, and existing technologies are unable to effectively reduce it.

Method used

A silicone sleeve is used to connect the gearbox to the gearbox. Through the interference fit between the silicone sleeve and the gearbox and the offset pressing plate, combined with the silicone gasket, a soft connection between the gearbox and the bracket assembly is achieved, reducing resonance and direct contact.

Benefits of technology

It effectively reduces noise levels, improves vibration damping, avoids noise caused by resonance and loosening, and enhances assembly convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a noise-reducing motor assembly structure, a silica gel sleeve is arranged between the outer wall of a gear box and the inner wall of a gear box hole, and the end face of the gear box is provided with a pressing piece which is installed on a support assembly through a screw; the gear box, the single motor and the support assembly are not in direct contact and are in flexible connection through the silica gel sleeve, resonance is reduced, and therefore the noise value is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to a motor assembly structure of noise reduction. BACKGROUND

[0002] The vehicle-mounted lifting camera is generally applied to high-end business cars, and in recent years, the noise value in the cabin is required higher and higher, especially the noise in the operation process of the lifting mechanism type structure particularly influences the experience of users, so it is necessary to optimize the motor assembly structure in the lifting mechanism, therefore a motor assembly structure of noise reduction is provided. SUMMARY

[0003] In order to solve at least one of the above technical defects, the utility model provides a motor assembly structure of noise reduction, including: support assembly, press piece and screw, the gear box hole of support assembly is installed with gear box, single motor is installed on the input end of gear box, the outer wall of gear box is equipped with silica gel cover between gear box hole inner wall, the end surface of gear box is equipped with press piece installed on support assembly through screw.

[0004] Further, the outer wall of the front and rear sides of the silica gel cover is a plane that fits the gear box hole inner wall, the outer wall of the top and bottom of the silica gel cover is provided with a rib for reducing the adsorption force of the silica gel cover, the inner wall of the silica gel cover is provided with an interference groove that interferes with the appearance rib of the outer wall of the gear box, and the inner wall of the silica gel cover is provided with a rib that supports the outer wall of the gear box.

[0005] Further, the middle part of the press piece is provided with a through slot opening, the inner wall of the slot opening is provided with a staggered slot that is arranged in a staggered manner with the appearance rib on the outer wall of the gear box, and there is a gap between the inner wall of the slot opening and the gear box.

[0006] Further, the end surface between the press piece and the silica gel cover is provided with a silica gel gasket, and the structure of the silica gel gasket is the same as that of the press piece.

[0007] Further, the outer wall of the silica gel cover is a matte surface. ADVANTAGEOUS EFFECTS

[0008] The gear box, single motor and support assembly are not in direct contact, but are connected by the silica gel cover, which reduces resonance and thus reduces noise.

[0009] When assembling the silica gel sleeve, the gear box is assembled inside the silica gel sleeve, the appearance rib on the outer wall of the gear box is extruded into the inside of the interference groove, and the silica gel sleeve and the gear box are assembled into the inside of the gear box hole as a whole, so that the ribs on the top and bottom of the outer wall of the silica gel sleeve are extruded, and the whole silica gel sleeve is assembled into the inside of the gear box hole; when disassembling, the ribs arranged on the top and bottom of the outer wall of the silica gel sleeve can effectively avoid the situation that the outer wall of the silica gel sleeve and the inner wall of the gear box hole are adsorbed together and difficult to disassemble; and when assembling, the ribs are bent and deformed, so that the whole is more convenient to assemble; and the ribs on the inner wall of the silica gel sleeve are extruded on the outer wall of the gear box, the contact with the gear box is reduced, the transmission of vibration is reduced, and the shock absorption effect and the noise reduction effect of the whole are improved.

[0010] The appearance rib supported on the outer wall of the gear box and the end face of the silica gel sleeve through the inner side surface of the pressing sheet can guarantee the pulling force, and noise generated by loosening of the gear box can be avoided.

[0011] The silica gel gasket is arranged between the inner side surface of the pressing sheet and the appearance rib on the outer wall of the gear box and the end face of the silica gel sleeve, so that the pressing sheet is completely separated from the gear box, the direct contact between the gear box and the pressing sheet is reduced, the gear box is completely fixed between the support assembly and the pressing sheet through complete soft connection, resonance is better reduced, and noise value is further reduced.

[0012] The purposes, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall isometric view of the utility model.

[0014] Figure 2 It is the isometric view of the single motor of the utility model.

[0015] Figure 3 It is the isometric view of the gear box of the utility model. Figure 1 .

[0016] Figure 4 It is the side view of the gear box of the utility model.

[0017] Figure 5 It is the isometric view of the silica gel sleeve of the utility model.

[0018] Figure 6 It is the side view of the silica gel sleeve of the utility model.

[0019] Figure 7 It is the isometric view of the silica gel gasket of the utility model.

[0020] Figure 8The axial view of the compression piece.

[0021] In Figures 1 to 8 , the correspondence between the component name or line and the figure number is as follows: 1 support assembly, 2 silica gel sleeve, 201 interference groove, 3 compression piece, 301 slot opening, 311 staggered groove, 302 gap, 4 gear box, 401 appearance rib, 5 single motor, 6 screw, 7 silica gel gasket. DETAILED DESCRIPTION

[0022] Please refer to Figures 1 to 8 ;

[0023] The embodiment provides a motor assembly structure with noise reduction, and reference Figures 1 to 4 , comprising: support assembly 1, compression piece 3 and screw 6, gear box hole of support assembly 1 is provided with gear box 4, single motor 5 is installed on the input end of the gear box, the outer wall of gear box 4 and the inner wall of gear box hole are provided with silica gel sleeve 2, the end surface of gear box 4 is provided with compression piece 3 installed on support assembly 1 through screw 6.

[0024] In specific implementation, gear box 4, single motor 5 and support assembly 1 are not in direct contact, but are connected through silica gel sleeve 2, thereby reducing resonance and reducing noise value.

[0025] Further, reference Figure 5 , the outer walls of the front and rear sides of silica gel sleeve 2 are both planes matched with the inner wall of the gear box hole, the outer walls of the top and bottom of silica gel sleeve 2 are both provided with ribs for reducing the adsorption force of silica gel sleeve 2, the inner wall of silica gel sleeve 2 is provided with interference groove 201 matched with appearance rib 401 of the outer wall of gear box 4, and the inner wall of silica gel sleeve 2 is provided with ribs supported on the outer wall of gear box 4.

[0026] In specific implementation, when assembling silica gel sleeve 2, gear box 4 is assembled inside silica gel sleeve 2, appearance rib 401 of the outer wall of gear box 4 is extruded into the inside of interference groove 201, and silica gel sleeve 2 and gear box 4 are assembled into the inside of the gear box hole, at this time, the ribs on the top and bottom of the outer wall of silica gel sleeve 2 are extruded, and the whole silica gel sleeve 2 is assembled into the inside of the gear box hole; when disassembling, the ribs on the top and bottom of the outer wall of silica gel sleeve 2 can effectively avoid the situation that the outer wall of silica gel sleeve 2 and the inner wall of the gear box hole are adsorbed together and difficult to disassemble, and the ribs on the top and bottom of the outer wall of silica gel sleeve 2 are bent and deformed during assembly, so that the whole is more convenient to assemble, and the ribs on the inner wall of silica gel sleeve 2 are extruded on the outer wall of gear box 4, which can reduce the contact with gear box 4 and reduce the transmission of vibration, so that the shock absorption effect and noise reduction effect of the whole are improved.

[0027] The structure of the ribbed silica gel sleeve (not limited to circular, square, rectangular, etc.).

[0028] The ribs of the silica gel sleeve are in interference fit with the gear box and are in soft connection with the support.

[0029] Further, referring to Figure 6 The middle part of the pressing sheet 3 is provided with a through slot opening 301, and the inner wall of the slot opening 301 is provided with a staggered slot 311 which is staggered with the appearance rib 401 on the outer wall of the gear box 4. There is a gap 302 between the inner wall of the slot opening 301 and the gear box 4.

[0030] In specific implementation, the inner side surface of the pressing sheet 3 is supported on the appearance rib 401 on the outer wall of the gear box 4 and the end face of the silica gel sleeve 2, so as to ensure the pulling force and avoid noise caused by loosening of the gear box 4.

[0031] The gap 302 reduces the direct contact between the pressing sheet 3 and the gear box 4.

[0032] Further, referring to Figure 7 and Figure 8 The silica gel gasket 7 is provided between the end face of the silica gel sleeve 2 and the pressing sheet 3, and the structure of the silica gel gasket 7 is the same as that of the pressing sheet 3.

[0033] In specific implementation, the silica gel gasket 7 is provided between the inner side surface of the pressing sheet 3 and the appearance rib 401 on the outer wall of the gear box 4 and the end face of the silica gel sleeve 2, so as to completely separate the pressing sheet 3 from the gear box 4, reduce the direct contact between the gear box 4 and the pressing sheet 3, and make the gear box 4 be completely fixed through complete soft connection between the support assembly 1 and the pressing sheet 3, thereby better reducing resonance and further reducing noise value.

[0034] Further, the outer wall of the silica gel sleeve 2 is a matte surface.

[0035] In specific implementation, the matte surface of the outer wall of the silica gel sleeve 2 can further reduce the adsorption force between the outer wall of the silica gel sleeve 2 and the inner wall of the gear box hole.

Claims

1. A noise-reduced motor assembly structure, comprising: The support assembly (1), the pressing sheet (3) and the screw (6), the gear box hole of the support assembly (1) is provided with the gear box (4), the single motor (5) is installed on the input end of the gear box, characterized by: the outer wall of the gear box (4) and the inner wall of the gear box hole are provided with silica gel sleeve (2), the end surface of the gear box (4) is provided with the pressing sheet (3) installed on the support assembly (1) through the screw (6).

2. A motor assembly structure according to claim 1, wherein: The outer wall of the silica gel sleeve (2) on the front and rear sides is a plane that fits the inner wall of the gear box hole, the outer wall of the top and bottom of the silica gel sleeve (2) is provided with a rib for reducing the adsorption force of the silica gel sleeve (2), the inner wall of the silica gel sleeve (2) is provided with an interference groove (201) that interferes with the appearance rib (401) on the outer wall of the gear box (4), and the inner wall of the silica gel sleeve (2) is provided with a rib that supports the outer wall of the gear box (4).

3. The reduced noise motor assembly structure of claim 2, wherein: The middle part of the pressing sheet (3) is provided with a through slot opening (301), the inner wall of the slot opening (301) is provided with a staggered groove (311) that is arranged in a staggered manner with the appearance rib (401) on the outer wall of the gear box (4), and there is a gap (302) between the inner wall of the slot opening (301) and the gear box (4).

4. The reduced noise motor assembly structure of claim 3, wherein: The end surface of the pressing sheet (3) and the silica gel sleeve (2) is provided with a silica gel gasket (7), and the structure of the silica gel gasket (7) is the same as that of the pressing sheet (3).

5. A motor assembly structure according to any one of claims 2 to 4, wherein: The outer wall of the silica gel sleeve (2) is a matte surface.