Electric toothbrush motor fixing structure

By combining the cage, shaft, moving rod, and clamping seat, the problem of loose electric toothbrush motor fixation is solved, achieving quick clamping and shock absorption functions, thus improving motor stability and user experience.

CN223540377UActive Publication Date: 2025-11-11KADA MICROMOTOR MFG
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Patent Information

Application Number
CN202423079811.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-11
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing electric toothbrush motor fixing structures are difficult to clamp and fix quickly, and lack shock absorption, affecting the user experience.

Method used

The combination structure of cage, shaft, moving rod and clamping seat, combined with shock-absorbing pad, limit plate and adjustment mechanism, achieves stable clamping and shock absorption of motor.

Benefits of technology

It enables quick clamping and fixing of the motor and effective vibration reduction, improving the stability and reliability of the motor and reducing noise interference.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric toothbrush motor fixing structure, and belongs to the technical field of electric toothbrushes. The electric toothbrush motor fixing structure comprises a bottom plate, connecting bases are installed on the two sides of the bottom plate, a pair of retainers are installed on the two sides of the top end of the bottom plate, rotating shafts are rotationally connected to the top ends of the inner sides of the retainers, the outer sides of the rotating shafts are sleeved with movable rods, clamping bases are installed at the top ends of the movable rods, and shock pads are installed on the adjacent sides of the pair of clamping bases. Limiting plates are installed on the two sides of the adjacent sides of the pair of clamping seats, an adjusting mechanism used for adjusting the angle of the movable rod is arranged at the top end of the bottom plate, wheel frames are installed at the bottom ends of the adjacent sides of the movable rod, pulleys are rotationally connected to the inner sides of the wheel frames, the adjusting mechanism comprises adjusting heads, and the outer sides of the adjusting heads make contact with the outer sides of the pulleys; according to the utility model, a motor can be effectively and rapidly clamped and fixed, and the motor clamping device has a damping function and a relatively high practical value.
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Description

Technical Field

[0001] This utility model relates to the field of electric toothbrush technology, specifically to a fixing structure for an electric toothbrush motor. Background Technology

[0002] Electric toothbrushes on the market generally use a motor with an eccentric block mounted on the main shaft. The high-speed rotation of the motor causes the eccentric block to vibrate periodically, making the brush head oscillate at high frequency, thus achieving a cleaning effect. If the motor of an electric toothbrush is not securely fixed, consumers will noticeably experience excessive noise, small brush head amplitude, and poor cleaning performance. The reason for a loose motor is usually due to a discrepancy in the dimensions of the motor and the fit between the plastic bracket or handle that holds the motor in place during manufacturing.

[0003] Based on the above, the inventors have discovered the following problems: Current electric toothbrush motor fixing structures are difficult to quickly clamp and fix the motor during use, and lack shock absorption, affecting user experience. Therefore, in view of this, the inventors have researched and improved upon existing structures and their shortcomings, providing an electric toothbrush motor fixing structure with greater practical value. Utility Model Content

[0004] The purpose of this utility model is to provide an electric toothbrush motor fixing structure to solve the problems mentioned in the background art, such as the difficulty in quickly clamping and fixing the motor during use, and the lack of shock absorption function, which affects the user's use.

[0005] In view of the above problems, the technical solution proposed by this utility model is as follows:

[0006] An electric toothbrush motor fixing structure includes a base plate, with connecting seats installed on both sides of the base plate, and a pair of retainers installed on both sides of the top of the base plate. A rotating shaft is rotatably connected to the inner top of each retainer, and a movable rod is fitted onto the outer side of the rotating shaft. A clamping seat is installed at the top of the movable rod, and shock-absorbing pads are installed on adjacent sides of the pair of clamping seats. Limiting plates are installed on both sides of adjacent sides of the pair of clamping seats. An adjustment mechanism for adjusting the angle of the movable rod is provided at the top of the base plate, and wheel frames are installed at the bottom of adjacent sides of the movable rod. A pulley is rotatably connected to the inner side of each wheel frame.

[0007] Furthermore, the adjustment mechanism includes an adjustment head, the outer side of which contacts the outer side of the pulley, a threaded hole is provided at the top of the base plate, and a threaded rod is rotatably connected to the bottom end of the adjustment head, with the outer side of the threaded rod engaging with the inner side of the threaded hole.

[0008] The beneficial effect of adopting the above-mentioned further solution is that, by having the outer side of the adjusting head in contact with the outer side of the pulley, the adjusting head can be raised, causing the pulley to drive the movable rod to adjust the angle, thereby allowing the clamping seat to hold the motor. Furthermore, by having the outer side of the threaded rod engage with the inner side of the threaded hole, rotating the threaded rod allows the adjusting head to be raised or lowered. Additionally, an adjusting knob is installed at the bottom end of the threaded rod.

[0009] The advantage of adopting the above-mentioned further solution is that the adjustment knob installed at the bottom of the threaded rod makes it convenient for the user to rotate the threaded rod.

[0010] Furthermore, the adjustment head is in the shape of a frustum.

[0011] Furthermore, the cage has an internal cavity, and torsion springs are installed at both ends of the rotating shaft, with one end of each torsion spring fixedly connected to the inside of the cavity.

[0012] The beneficial effect of adopting the above-mentioned further solution is that by installing torsion springs at both ends of the rotating shaft, the shaft can be reset after rotation, thereby enabling the clamping seat to release the motor after the adjusting head descends.

[0013] Furthermore, the shock-absorbing pad is made of rubber, and several anti-slip grooves are provided on one side of the shock-absorbing pad.

[0014] The beneficial effect of adopting the above-mentioned further solution is that by opening several anti-slip grooves on one side of the shock-absorbing pad, the clamping and anti-slip properties of the shock-absorbing pad are improved.

[0015] Furthermore, the top of the connector has a mounting hole.

[0016] The advantage of adopting the above-mentioned further solution is that the mounting hole at the top of the connector makes it easy to install the fixing structure into the corresponding position of the electric toothbrush.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: The electric toothbrush motor fixing structure, through the arrangement of the retainer, rotating shaft, movable rod, and clamping seat, allows the movable rod to rotate relatively flexibly, facilitating stable clamping and fixing of the motor. The damping pads installed on adjacent sides of the pair of clamping seats effectively absorb vibrations generated during motor operation, reducing noise transmitted to the electric toothbrush casing. Limiting plates installed on both adjacent sides of the pair of clamping seats limit the movement of the motor on both sides, preventing excessive displacement or shaking when subjected to external impact or vibration, further improving the reliability and stability of motor fixing. Adjustment is achieved by the contact between the outer side of the adjusting head and the outer side of the pulley. The head rises, causing the pulley to drive the movable rod to adjust the angle, thus allowing the clamping seat to hold the motor. The engagement of the outer side of the threaded rod and the inner side of the threaded hole allows the adjusting head to rise and fall by rotating the threaded rod. An adjustment knob is installed at the bottom of the threaded rod for easy rotation. Torsion springs are installed at both ends of the rotating shaft to ensure it returns to its original position after rotation. This allows the clamping seat to release the motor when the adjusting head descends. Several anti-slip grooves are provided on one side of the shock-absorbing pad to improve its gripping and anti-slip properties. An installation hole is provided at the top of the connecting seat for easy installation of this fixing structure into the corresponding position on the electric toothbrush. This invention effectively achieves rapid clamping and fixing of the motor and has a shock-absorbing function, making it highly practical. Attached Figure Description

[0018] Figure 1 This is one of the three-dimensional structural schematic diagrams disclosed in the embodiments of this utility model;

[0019] Figure 2 This is the second three-dimensional structural schematic diagram disclosed in the embodiment of this utility model;

[0020] Figure 3 This is one of the disassembled three-dimensional structural diagrams disclosed in the embodiments of this utility model;

[0021] Figure 4 This is the second disassembled three-dimensional structural diagram disclosed in the embodiment of this utility model;

[0022] Figure 5 This is a partial cross-sectional view of the cage disclosed in an embodiment of the present utility model.

[0023] In the diagram: 100, base plate; 10001, threaded hole; 101, connecting seat; 10101, mounting hole; 102, retainer; 10201, cavity; 103, rotating shaft; 104, movable rod; 105, clamping seat; 106, shock-absorbing pad; 10601, anti-slip groove; 107, limiting plate; 108, wheel frame; 109, pulley; 110, adjusting mechanism; 11001, adjusting head; 11002, threaded rod; 11003, adjusting knob; 111, torsion spring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-5 This utility model provides a technical solution: an electric toothbrush motor fixing structure, including a base plate 100, connecting seats 101 installed on both sides of the base plate 100, a pair of retainers 102 installed on both sides of the top of the base plate 100, a rotating shaft 103 rotatably connected to the inner top of the retainer 102, a movable rod 104 sleeved on the outer side of the rotating shaft 103, a clamping seat 105 installed on the top of the movable rod 104, shock-absorbing pads 106 installed on adjacent sides of the pair of clamping seats 105, limit plates 107 installed on both adjacent sides of the pair of clamping seats 105, an adjustment mechanism 110 for adjusting the angle of the movable rod 104 provided on the top of the base plate 100, and wheel frames installed on the bottom of adjacent sides of the movable rod 104. 108. A pulley 109 is rotatably connected to the inner side of the wheel frame 108. Through the arrangement of the retainer 102, the rotating shaft 103, the movable rod 104 and the clamping seat 105, the movable rod 104 can rotate relatively flexibly, which facilitates stable clamping and fixing of the motor. The damping pads 106 are installed on the adjacent sides of the pair of clamping seats 105, which can effectively absorb the vibration generated by the motor during operation and reduce the noise generated by the vibration transmitted to the electric toothbrush shell. Limiting plates 107 are installed on both sides of the pair of clamping seats 105 to limit the motor on both sides, preventing the motor from excessively deviating or shaking when subjected to external impact or vibration, and further improving the reliability and stability of the motor fixing.

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5The adjusting mechanism 110 includes an adjusting head 11001, the outer side of which contacts the outer side of the pulley 109. A threaded hole 10001 is provided at the top of the base plate 100. A threaded rod 11002 is rotatably connected to the bottom end of the adjusting head 11001. The outer side of the threaded rod 11002 engages with the inner side of the threaded hole 10001. An adjusting knob 11003 is installed at the bottom end of the threaded rod 11002. The adjusting head 11001 is frustum-shaped. The outer side of 01 contacts the outer side of pulley 109, so that the adjustment head 11001 can rise and pulley 109 can drive the movable rod 104 to adjust the angle, so that the clamping seat 105 can clamp the motor. By the engagement of the outer side of threaded rod 11002 and the inner side of threaded hole 10001, rotating threaded rod 11002 can raise and lower the adjustment head 11001. An adjustment knob 11003 is installed at the bottom of threaded rod 11002 for the user to rotate threaded rod 11002.

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1-5The retainer 102 has a cavity 10201 inside. Both ends of the rotating shaft 103 are equipped with torsion springs 111. One end of the torsion spring 111 is fixedly connected to the inside of the cavity 10201. The shock-absorbing pad 106 is made of rubber. Several anti-slip grooves 10601 are opened on one side of the shock-absorbing pad 106. The top of the connecting seat 101 has a mounting hole 10101. The torsion springs 111 are installed at both ends of the rotating shaft 103 to realize the reset after the rotating shaft 103 rotates. Thus, after the adjusting head 11001 descends, the clamping seat 105 releases the motor. The anti-slip grooves 10601 on one side of the shock-absorbing pad 106 improve the clamping anti-slip performance of the shock-absorbing pad 106. The mounting hole 10101 at the top of the connecting seat 101 makes it easy to install the fixing structure to the corresponding position of the electric toothbrush. Specifically, the working principle of this electric toothbrush motor fixing structure is as follows: During use, the arrangement of the retainer 102, rotating shaft 103, movable rod 104, and clamping seat 105 allows the movable rod 104 to rotate relatively flexibly, facilitating stable clamping and fixing of the motor. Vibration damping pads 106 are installed on adjacent sides of each pair of clamping seats 105, effectively absorbing vibrations generated during motor operation and reducing noise transmitted to the electric toothbrush casing. Limiting plates 107 are installed on both adjacent sides of each pair of clamping seats 105, limiting the motor on both sides and preventing excessive displacement or shaking when subjected to external impacts or vibrations, further improving the reliability and stability of motor fixing. By having the outer side of the adjusting head 11001 contact the outer side of the pulley 109, raising the adjusting head 11001 causes the pulley 109 to drive the movable rod 104 to adjust its angle. This allows the clamping seat 105 to clamp the motor. The engagement between the outer side of the threaded rod 11002 and the inner side of the threaded hole 10001 allows the adjusting head 11001 to rise and fall by rotating the threaded rod 11002. An adjusting knob 11003 is installed at the bottom of the threaded rod 11002 for easy rotation. Torsion springs 111 are installed at both ends of the rotating shaft 103 to reset it after rotation. This allows the clamping seat 105 to release the motor after the adjusting head 11001 descends. Several anti-slip grooves 10601 are provided on one side of the shock-absorbing pad 106 to improve its gripping and anti-slip properties. An installation hole 10101 is provided at the top of the connecting seat 101 for easy installation of the fixing structure onto the corresponding position on the electric toothbrush. This invention effectively achieves rapid clamping and fixing of the motor and has a shock-absorbing function, making it highly practical.

Claims

1. A fixing structure for an electric toothbrush motor, characterized in that, The system includes a base plate (100), with connecting seats (101) installed on both sides of the base plate (100). A pair of retainers (102) are installed on both sides of the top of the base plate (100). A rotating shaft (103) is rotatably connected to the inner top of the retainer (102). A movable rod (104) is fitted on the outer side of the rotating shaft (103). A clamping seat (105) is installed on the top of the movable rod (104). A shock-absorbing pad (106) is installed on the adjacent sides of the pair of clamping seats (105). A limit plate (107) is installed on both sides of the adjacent sides of the pair of clamping seats (105). An adjustment mechanism (110) for adjusting the angle of the movable rod (104) is provided at the top of the base plate (100). A wheel frame (108) is installed on the bottom of the adjacent sides of the movable rod (104). A pulley (109) is rotatably connected to the inner side of the wheel frame (108).

2. The electric toothbrush motor fixing structure according to claim 1, characterized in that, The adjusting mechanism (110) includes an adjusting head (11001), the outer side of which is in contact with the outer side of the pulley (109), a threaded hole (10001) is provided at the top of the base plate (100), and a threaded rod (11002) is rotatably connected to the bottom end of the adjusting head (11001), the outer side of which is engaged with the inner side of the threaded hole (10001).

3. The electric toothbrush motor fixing structure according to claim 2, characterized in that, An adjustment knob (11003) is installed at the bottom end of the threaded rod (11002).

4. The electric toothbrush motor fixing structure according to claim 2, characterized in that, The adjusting head (11001) is in the shape of a frustum.

5. The electric toothbrush motor fixing structure according to claim 1, characterized in that, The cage (102) has a cavity (10201) inside, and torsion springs (111) are installed at both ends of the rotating shaft (103). One end of the torsion spring (111) is fixedly connected to the inside of the cavity (10201).

6. The electric toothbrush motor fixing structure according to claim 1, characterized in that, The shock-absorbing pad (106) is made of rubber, and a number of anti-slip grooves (10601) are provided on one side of the shock-absorbing pad (106).

7. The electric toothbrush motor fixing structure according to claim 1, characterized in that, The top of the connector (101) is provided with a mounting hole (10101).