Electric toothbrush with good clamping degree of charging interface
By designing a lifting block, a pull rod, and a positioning block in the electric toothbrush, the problem of unstable connection between the charging head and the charging port is solved, achieving stable pressing and fixing of the charging head and improving charging stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI ZHUJING ELECTRONIC TECH CO LTD
- Filing Date
- 2025-04-22
- Publication Date
- 2026-04-21
AI Technical Summary
Existing electric toothbrushes have poor locking and fixing between the charging head and the charging port during charging, resulting in unstable charging.
A structure including a toothbrush handle, a connecting handle, a toothbrush head, a charging port, a lifting block, a pulling rod, and a positioning block is designed. The lifting block slides through the limiting action of bolts and nuts, and the pulling rod drives the positioning block to extend and retract, so as to achieve stable pressing and fixing of the charging head.
It improves the connection stability between the charging head and the charging port, prevents the charging head from becoming loose, and ensures continuous and stable charging.
Smart Images
Figure CN224140979U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric toothbrush technology, specifically to an electric toothbrush with a good charging interface fit. Background Technology
[0002] As people's living standards improve, personal hygiene and health are receiving increasing attention. Oral hygiene, as an important aspect of personal hygiene, has also gained widespread importance. In recent years, electric toothbrushes have become increasingly popular due to their high cleaning efficiency and convenience.
[0003] In the prior art, an electric toothbrush head and electric toothbrush with publication number CN214855036U relate to the field of oral hygiene technology. The electric toothbrush head includes a brush head body, bristles, and a soft rubber layer. One end of the brush head body is connected to the drive component of the electric toothbrush. The bristles include a fixed end and a free end. The fixed end of the bristles is welded to the brush head body, and the free ends of the bristles have a height difference. The soft rubber layer covers the end of the brush head body where the bristles are located. By welding the bristles to the brush head body, the electric toothbrush head can easily form bristles with a height difference at the free ends, and the resulting bristles have a high density, making it less prone to trapping dirt and grime. During use, when the soft rubber layer covering the brush head body collides with the oral cavity wall in the mouth, its flexible structure reduces the impact force, thereby improving the brushing experience.
[0004] However, while the flexible design of the brush head makes it easy to clean the toothbrush, the connection between the charging head and the charging port is not very secure when charging. This can cause the charging head to detach from the charging port if it is dragged, reducing the stability of continuous charging and the effectiveness of charging.
[0005] Therefore, in view of this, we have studied and improved the existing structure to propose an electric toothbrush with a better charging interface fit. Utility Model Content
[0006] The purpose of this invention is to provide an electric toothbrush with a good charging interface engagement, in order to solve the problem mentioned in the background art that the engagement and fixation effect between the charging head and the charging port is not high when the electric toothbrush is charged through the charging port.
[0007] To achieve the above objectives, this utility model provides the following technical solution: an electric toothbrush with a well-fitting charging interface, comprising a toothbrush handle, a control button on the surface of the toothbrush handle, a connecting handle detachably connected to one end of the toothbrush handle, a toothbrush head fixedly connected to one end of the connecting handle, a protective cover rotatably connected to the other end of the toothbrush handle, a charging port at the bottom of the toothbrush handle, a charging head inserted into the inner wall of the charging port, a nut inside the toothbrush handle, a bolt threaded onto the inner wall of the nut, a lifting block rotatably connected to one end of the bolt and slidably connected to the inner wall of the toothbrush handle, a fixing groove at the connection between the inner wall of the toothbrush handle and the lifting block, a spring fixedly connected to the bottom of the lifting block and fixedly connected to the inner wall of the toothbrush handle, a pull rod rotatably connected to the outer wall of the lifting block, a positioning block rotatably connected to one end of the pull rod and slidably connected to the inner wall of the toothbrush handle, and a telescopic rod fixedly connected to the outer wall of the positioning block and fixedly connected to the inner wall of the toothbrush handle.
[0008] Furthermore, the connection between the connecting handle and the toothbrush head is straight, the toothbrush head has a rubber-coated shock-absorbing effect, and the toothbrush head is transparent and flexible.
[0009] Furthermore, the charging port is located inside the charging cavity within the toothbrush handle.
[0010] Furthermore, the lifting blocks form a lifting structure through bolts and fixing grooves, and the lifting blocks are symmetrically arranged on both sides of the charging head.
[0011] Furthermore, the pulling rod forms a rotating structure with the positioning block through the lifting block and the fixing groove.
[0012] Furthermore, the positioning block forms a telescopic structure through the pull rod and the telescopic rod.
[0013] Furthermore, the outer wall contour of the positioning block is U-shaped.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This invention, by setting a positioning block, improves the stability of the connection between the charging head and the charging port during daily charging of an easy-to-clean electric toothbrush, preventing the charging head from becoming loose due to dragging. After the charging head and the charging port are inserted, rotating the bolt, through the limiting action of the nut, causes the lifting block to slide along the inner wall of the fixing groove. The sliding of the lifting block, through the rotation of the pull rod, causes the positioning block, which is fixedly connected to the telescopic rod, to extend and retract, so that the positioning block presses and fixes the top of the charging head, thereby improving the stability of the connection between the charging head and the charging port. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of the electric toothbrush of this utility model;
[0017] Figure 2 This is a schematic diagram of the positioning block distribution structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the position distribution structure of the charging head of this utility model;
[0019] Figure 4 This is a schematic diagram of the charging port location distribution structure of this utility model;
[0020] Figure 5 This utility model Figure 2 A magnified structural diagram at point A in the diagram.
[0021] In the picture:
[0022] 1. Toothbrush handle; 2. Control button; 3. Connecting handle; 4. Toothbrush head; 5. Protective cover; 6. Charging head; 7. Charging port; 8. Nut; 9. Bolt; 10. Lifting block; 11. Fixing groove; 12. Spring; 13. Pull rod; 14. Positioning block; 15. Telescopic rod. Detailed Implementation
[0023] 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.
[0024] Example 1:
[0025] like Figures 1-5As shown, an electric toothbrush with a good charging interface engagement includes a toothbrush handle 1. The toothbrush handle 1 has a control button 2 on its surface, a connecting handle 3 detachably connected to one end of the handle 1, a toothbrush head 4 fixedly connected to one end of the connecting handle 3, a protective cover 5 rotatably connected to the other end of the handle 1, a charging port 7 at the bottom of the handle 1, a charging head 6 inserted into the inner wall of the charging port 7, a nut 8 inside the handle 1, a bolt 9 threadedly connected to the inner wall of the nut 8, a lifting block 10 rotatably connected to one end of the bolt 9 and slidably connected to the inner wall of the handle 1, a fixing groove 11 at the connection between the inner wall of the handle 1 and the lifting block 10, a spring 12 fixedly connected to the bottom of the lifting block 10 and fixedly connected to the inner wall of the handle 1, a pull rod 13 rotatably connected to the outer wall of the lifting block 10, a positioning block 14 rotatably connected to one end of the pull rod 13 and slidably connected to the inner wall of the handle 1, and a telescopic rod 15 fixedly connected to the outer wall of the positioning block 14 and fixedly connected to the inner wall of the handle 1.
[0026] like Figure 1 and Figure 3 As shown, the connection between the handle 3 and the toothbrush head 4 is in a straight line. The toothbrush head 4 has a rubber-coated shock-absorbing effect, and it is transparent and flexible. This flexibility facilitates easy cleaning of impurities at the connection point of the toothbrush head 4.
[0027] like Figure 4 As shown, the charging port 7 is located inside the charging cavity of the toothbrush handle 1. This arrangement of the charging port 7 inside the charging cavity of the toothbrush handle 1 provides convenient protection for the charging port 7 when it is not in use.
[0028] like Figure 5 As shown, the lifting block 10 forms a lifting structure with the fixing groove 11 through the bolt 9. The lifting block 10 is symmetrically arranged on both sides of the charging head 6, which is conducive to the rotation of the bolt 9 and drives the lifting block 10 to slide along the inner wall of the fixing groove 11, thereby driving the pull rod 13 to rotate conveniently.
[0029] like Figure 5 As shown, the pull rod 13 forms a rotating structure with the positioning block 14 through the lifting block 10 and the fixed groove 11, which facilitates the sliding of the lifting block 10 along the inner wall of the fixed groove 11. Through the connection of the positioning block 14, the pull rod 13 can be easily rotated, which can drive the positioning block 14 to move easily in and out of the groove.
[0030] like Figure 5 As shown, the positioning block 14 forms a telescopic structure with the pull rod 13 and the telescopic rod 15, which facilitates the rotation of the pull rod 13. Through the connection of the telescopic rod 15, the positioning block 14 can be easily telescopically moved, thereby improving the stability of the connection between the charging head 6 and the charging port 7.
[0031] like Figure 5 As shown, the outer wall contour of the positioning block 14 is U-shaped, which facilitates the omnidirectional pressing and fixing of the charging head 6 by setting the outer wall contour of the positioning block 14 in a U-shape.
[0032] Working principle: When using this type of electric toothbrush with a good charging interface fit, in order to improve the stability of the connection between the charging head 6 and the charging port 7 during daily charging and use, and to prevent the charging head 6 from becoming loose due to dragging, after the charging head 6 and the charging port 7 are plugged in, the rotating bolt 9, through the limiting action of the nut 8, drives the lifting block 10 to slide along the inner wall of the fixing groove 11. The sliding of the lifting block 10 drives the rotation of the pull rod 13, which drives the positioning block 14, which is fixedly connected to the telescopic rod 15, to perform telescopic movement, so that the positioning block 14 presses and fixes the top of the charging head 6, thereby improving the stability of the connection between the charging head 6 and the charging port 7.
[0033] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A good charging interface of the electric toothbrush, comprising a toothbrush handle (1), characterized in that, The toothbrush handle (1) has a control button (2) on its surface. One end of the toothbrush handle (1) is detachably connected to a connecting handle (3), and one end of the connecting handle (3) is fixedly connected to a toothbrush head (4). The other end of the toothbrush handle (1) is rotatably connected to a protective cover (5). The bottom of the toothbrush handle (1) has a charging port (7), and a charging head (6) is inserted into the inner wall of the charging port (7). The toothbrush handle (1) has a nut (8) inside, and a bolt (9) is threaded onto the inner wall of the nut (8). One end of the bolt (9) is rotatably connected to a toothbrush head. A lifting block (10) is slidably connected to the inner wall of the handle (1). A fixing groove (11) is provided at the connection between the inner wall of the toothbrush handle (1) and the lifting block (10). A spring (12) is fixedly connected to the bottom of the lifting block (10) and is fixedly connected to the inner wall of the toothbrush handle (1). A pull rod (13) is rotatably connected to the outer wall of the lifting block (10). A positioning block (14) is rotatably connected to one end of the pull rod (13) and is slidably connected to the inner wall of the toothbrush handle (1). A telescopic rod (15) is fixedly connected to the outer wall of the positioning block (14) and is fixedly connected to the inner wall of the toothbrush handle (1).
2. The electric toothbrush with good charging interface engagement according to claim 1, characterized in that, The connection between the connecting handle (3) and the toothbrush head (4) is in a straight line. The toothbrush head (4) has a rubber-coated shock-absorbing effect, and the toothbrush head (4) is transparent and flexible.
3. An electric toothbrush with a good charging interface engagement according to claim 1, characterized in that, The charging port (7) is located inside the charging cavity of the toothbrush handle (1).
4. An electric toothbrush with a good charging interface engagement according to claim 1, characterized in that, The lifting block (10) forms a lifting structure between the bolt (9) and the fixing groove (11), and the lifting block (10) is symmetrically arranged on both sides of the charging head (6).
5. An electric toothbrush with a good charging interface engagement according to claim 1, characterized in that, The pull rod (13) forms a rotating structure with the positioning block (14) through the lifting block (10) and the fixing groove (11).
6. An electric toothbrush with a good charging interface engagement according to claim 1, characterized in that, The positioning block (14) forms a telescopic structure with the pull rod (13) and the telescopic rod (15).
7. An electric toothbrush with a good charging interface engagement according to claim 1, characterized in that, The outer wall contour of the positioning block (14) is U-shaped.