Electric toothbrush

Abstract

The utility model relates to the technical field of toothbrush noise reduction, and discloses an electric toothbrush which comprises a toothbrush shell and a toothbrush support which are rotationally clamped, one end, opposite to the toothbrush shell, of the toothbrush support is sleeved with a vibration rod, and the vibration rod is rotationally clamped with a toothbrush head; a hollow cup motor is installed in the toothbrush support, an eccentric wheel is connected to an output shaft of the hollow cup motor in a sleeved mode, and a rib abutting against the hollow cup motor is arranged on the inner wall of the toothbrush support. A control panel is mounted in the middle of the toothbrush bracket, a mounting seat is clamped in the toothbrush bracket, a positive pole piece, a battery and a negative pole piece which are sequentially propped against each other are mounted in the toothbrush bracket, the positive pole piece is embedded into the toothbrush bracket, the negative pole piece is propped against the mounting seat and the battery respectively, and the positive pole piece and the negative pole piece are elastic; the control panel is electrically connected with the hollow cup motor, the positive pole piece and the negative pole piece. The noise of the electric toothbrush is reduced, and the use experience of a user is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of toothbrush noise reduction, in particular to an electric toothbrush. Background Art

[0002] As people's living standards improve, they pay more and more attention to oral health. Electric toothbrushes have the advantages of strong cleaning ability, convenience and practicality, and can reduce damage to teeth or gums, and their popularity is growing day by day.

[0003] In the prior art, electric toothbrushes use coreless motors to provide driving power to the toothbrush head, so that the toothbrush head vibrates to clean teeth. However, when the coreless motor is in operation, it contacts the inner wall of the bracket, which will produce a large resonance; and the battery is prone to collision with the toothbrush bracket, which will produce abnormal noise and affect the user experience.

[0004] Therefore, how to provide an electric toothbrush to reduce the noise of the electric toothbrush has become a technical problem that needs to be solved urgently. Utility Model Content

[0005] The technical problem to be solved by the utility model is how to provide an electric toothbrush to reduce the noise of the electric toothbrush.

[0006] To this end, according to a first aspect, an embodiment of the utility model discloses an electric toothbrush, comprising: a toothbrush shell and a toothbrush holder that are rotatably connected, wherein a vibration rod is sleeved at one end of the toothbrush holder relative to the toothbrush shell, and a toothbrush head is rotatably connected to the vibration rod; a hollow cup motor is installed in the toothbrush holder, an eccentric wheel is sleeved on the output shaft of the hollow cup motor, and an inner wall of the toothbrush holder is provided with ribs that abut against the hollow cup motor;

[0007] A control board is installed in the middle of the toothbrush holder, a mounting seat is clamped in the toothbrush holder, a positive electrode, a battery and a negative electrode are installed in the toothbrush holder, the positive electrode is embedded in the toothbrush holder, the negative electrode is respectively abutted against the mounting seat and the battery, and the positive electrode and the negative electrode are both elastic;

[0008] The control board is electrically connected to the coreless cup motor, the positive electrode member and the negative electrode member respectively.

[0009] The utility model is further configured such that the positive electrode component includes a first positive electrode portion and a second positive electrode portion which are integrally formed structures, the first positive electrode portion abuts against one end of the battery, and the first positive electrode portion is arranged in a mosquito coil disc shape; the second positive electrode portion is welded to the control board, and the second positive electrode portion is arranged in a strip shape.

[0010] The utility model is further configured that a boss abutting against the first positive electrode portion is provided in the toothbrush holder, and a placement groove for placing the second positive electrode portion is also provided in the toothbrush holder.

[0011] The utility model is further configured such that the negative electrode component includes a first negative electrode portion and a second negative electrode portion which are integrally formed structures, the first negative electrode portion abuts against the mounting seat and the battery respectively, and the first negative electrode portion is arranged in a spiral shape; the second negative electrode portion is welded to the control board, and the second negative electrode portion is arranged in a strip shape.

[0012] The utility model is further configured that the mounting seat is provided with an opening for accommodating the second negative electrode portion to pass through, and the mounting seat is also provided with a guide block arranged adjacent to the opening, and the guide block is used to guide the installation of the second negative electrode portion.

[0013] The utility model is further configured as follows: the toothbrush head includes a toothbrush handle, a plurality of bristles are installed at one end of the toothbrush handle, the toothbrush handle is provided with a receiving cavity for accommodating the embedding of a vibration rod, the toothbrush handle is provided with a first convex strip and a second convex strip located in the receiving cavity, the first convex strip and the second convex strip are distributed in layers, and the first convex strip and the second convex strip are respectively abutted against the outer wall of the vibration rod.

[0014] The utility model is further configured that a control button is clamped on the vibration rod.

[0015] The utility model is further configured that a decorative ring is sleeved on the toothbrush bracket.

[0016] The utility model is further configured that the toothbrush bracket is provided with a first installation groove, and the first installation groove is sleeved with a first waterproof ring which is tightly pressed against the inner wall of the vibration rod.

[0017] The utility model is further configured that the toothbrush bracket is provided with a second installation groove, and the first installation groove is sleeved with a second waterproof ring which is tightly pressed against the inner wall of the toothbrush shell.

[0018] The utility model has the following beneficial effects: the inner wall of the toothbrush holder is provided with ribs abutting against the hollow cup motor, so that the hollow cup motor and the toothbrush are in line contact, which can reduce resonance; the positive electrode and the negative electrode elastically support the battery, thereby providing an electric toothbrush, reducing the noise of the electric toothbrush and enhancing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 is a schematic diagram of the three-dimensional structure of an electric toothbrush disclosed in this embodiment;

[0021] Figure 2 is a partial structural schematic diagram of an electric toothbrush disclosed in this embodiment;

[0022] Figure 3 is a schematic diagram of the main structure of an electric toothbrush disclosed in this embodiment;

[0023] Figure 4 yes Figure 3 AA cross-sectional structural diagram;

[0024] Figure 5 is a schematic diagram of an exploded structure of an electric toothbrush disclosed in this embodiment;

[0025] Figure 6 is a schematic diagram of the three-dimensional structure of a toothbrush head in an electric toothbrush disclosed in this embodiment;

[0026] Figure 7 is a schematic diagram of a half-section structure of a toothbrush head in an electric toothbrush disclosed in this embodiment;

[0027] Figure 8 is a schematic structural diagram of a vibration rod in an electric toothbrush disclosed in this embodiment;

[0028] Fig. 9 is a schematic structural diagram of a toothbrush holder in an electric toothbrush disclosed in this embodiment;

[0029] Fig.10 is a schematic structural diagram of a toothbrush shell in an electric toothbrush disclosed in this embodiment;

[0030] Fig.11 It is a structural schematic diagram of a decorative ring in an electric toothbrush disclosed in this embodiment;

[0031] Fig.12 It is a structural schematic diagram of a mounting base in an electric toothbrush disclosed in this embodiment;

[0032] Fig.13 is a schematic structural diagram of a positive electrode member in an electric toothbrush disclosed in this embodiment;

[0033] Fig.14 It is a schematic diagram of the structure of a negative electrode component in an electric toothbrush disclosed in this embodiment.

[0034] Figure numerals: 1, toothbrush shell; 11, first rotating block; 2, toothbrush bracket; 21, rib; 22, boss; 23, placement groove; 24, first mounting groove; 25, second mounting groove; 26, positioning block; 27, first rotating slot; 3, vibration rod; 4, toothbrush head; 41, toothbrush handle; 411, accommodating cavity; 412, first convex strip; 413, second convex strip; 42, bristles; 5, hollow cup motor; 6 , eccentric wheel; 7, control board; 8, mounting seat; 81, opening; 82, guide block; 9, positive electrode member; 91, first positive electrode part; 92, second positive electrode part; 10, battery; 12, negative electrode member; 121, first negative electrode part; 122, second negative electrode part; 13, control button; 14, decorative ring; 141, positioning groove; 15, first waterproof ring; 16, second waterproof ring; 17, toothbrush cover; 171, through hole. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0036] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal connection of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0039] The utility model discloses an electric toothbrush. Figure 1-14 As shown, it comprises: a toothbrush housing 1 and a toothbrush holder 2 which are rotatably connected, a vibration rod 3 is sleeved on one end of the toothbrush holder 2 relative to the toothbrush housing 1, and a toothbrush head 4 is rotatably connected to the vibration rod 3; a hollow cup motor 5 is installed in the toothbrush holder 2, an eccentric wheel 6 is sleeved on the output shaft of the hollow cup motor 5, and a rib 21 abutting against the hollow cup motor 5 is provided on the inner wall of the toothbrush holder 2;

[0040] A control board 7 is installed in the middle of the toothbrush holder 2, a mounting seat 8 is clamped in the toothbrush holder 2, a positive electrode 9, a battery 10 and a negative electrode 12 are installed in the toothbrush holder 2, the positive electrode 9 is embedded in the toothbrush holder 2, and the negative electrode 12 is respectively in contact with the mounting seat 8 and the battery 10, and both the positive electrode 9 and the negative electrode 12 are elastic;

[0041] The control board 7 is electrically connected to the hollow cup motor 5, the positive electrode member 9 and the negative electrode member 12 respectively. In the specific implementation process, the vibration rod 3 is sleeved with a toothbrush cover 17, and the toothbrush cover 17 is provided with a through hole 171 for ventilating the toothbrush cover 17. The toothbrush shell 1 is provided with a first mark, and the first mark is used to show the disassembly rotation direction of the toothbrush shell 1, and the first mark is set in the shape of an arrow. A rotating block is provided in the toothbrush shell 1, and a rotating slot that is rotatably connected to the rotating block is provided on the toothbrush bracket 2.

[0042] It should be noted that the inner wall of the toothbrush holder 2 is provided with a rib 21 abutting against the hollow cup motor 5, so that the hollow cup motor 5 and the toothbrush are in line contact, which can reduce resonance; the positive electrode 9 and the negative electrode 12 elastically support the battery 10, thereby providing an electric toothbrush, reducing the noise of the electric toothbrush and enhancing the user experience.

[0043] like Figure 4 , Figure 5 and Fig.13 As shown, the positive electrode component 9 includes a first positive electrode portion 91 and a second positive electrode portion 92 which are an integrally formed structure. The first positive electrode portion 91 abuts against one end of the battery 10, and the first positive electrode portion 91 is arranged in a mosquito coil disc shape; the second positive electrode portion 92 is welded to the control board 7, and the second positive electrode portion 92 is arranged in a strip shape.

[0044] like Figure 4 , Figure 5 , Fig. 9 and Fig.13 As shown, a boss 22 is provided in the toothbrush holder 2 to abut against the first positive electrode portion 91, and a placement groove 23 is also provided in the toothbrush holder 2 for placing the second positive electrode portion 92. In the specific implementation process, the number of bosses 22 is set to two.

[0045] like Figure 4 , Figure 5 and Fig.14 As shown, the negative electrode component 12 includes a first negative electrode portion 121 and a second negative electrode portion 122 which are an integrally formed structure. The first negative electrode portion 121 is respectively abutted against the mounting seat 8 and the battery 10, and the first negative electrode portion 121 is arranged in a spiral shape; the second negative electrode portion 122 is welded to the control board 7, and the second negative electrode portion 122 is arranged in a strip shape.

[0046] like Figure 4 , Figure 5 , Fig.12 and Fig.14 As shown, the mounting seat 8 is provided with an opening 81 for accommodating the second negative electrode portion 122 to pass through, and the mounting seat 8 is also provided with a guide block 82 arranged adjacent to the opening 81, and the guide block 82 is used to guide the installation of the second negative electrode portion 122. It should be noted that after the second negative electrode portion 122 passes through the opening 81 and is wound around the guide block 82, it is welded to the control board 7.

[0047] like Figure 4-7 As shown, the toothbrush head 4 includes a toothbrush handle 41, and a plurality of bristles 42 are installed at one end of the toothbrush handle 41. The toothbrush handle 41 is provided with a receiving cavity 411 for receiving the vibration rod 3 to be embedded. The toothbrush handle 41 is provided with a first convex strip 412 and a second convex strip 413 located in the receiving cavity 411. The first convex strip 412 and the second convex strip 413 are distributed in layers, and the first convex strip 412 and the second convex strip 413 are respectively in contact with the outer wall of the vibration rod 3. In this embodiment, a second mark is provided on the toothbrush handle 41, and the second mark is used to display the disassembly rotation direction of the toothbrush handle 41, and the second mark is arranged in the shape of an arrow. A first rotating card slot 27 is provided in the toothbrush handle 41, and a first rotating card block 11 rotatably connected to the rotating card slot is provided on the vibration rod 3.

[0048] It should be noted that, through the setting of the first convex strip 412 and the second convex strip 413, the hollow cup motor 5 drives the eccentric wheel 6 to rotate, so that the vibration rod 3 vibrates; when the vibration rod 3 vibrates, the vibration rod 3 collides with the first convex strip 412 and the second convex strip 413 respectively, thereby driving the toothbrush head 4 to vibrate and clean the teeth; the vibration transmission energy of the vibration rod 3 is enhanced.

[0049] As shown in the figure, a control button 13 is clamped on the vibration rod 3. It should be noted that the setting of the control button 13 facilitates the control of the working state of the electric toothbrush.

[0050] like Figure 4 , Figure 5 and Fig.11As shown, a decorative ring 14 is sleeved on the toothbrush holder 2. It should be noted that the electric toothbrushes can be effectively distinguished by the decorative rings 14 of different colors; the toothbrush holder 2 is provided with a positioning block 26, and the decorative ring 14 is provided with a positioning groove 141 that is plugged and matched with the positioning block 26.

[0051] like Figure 4 , Figure 5 and Fig. 9 As shown, the toothbrush holder 2 is provided with a first mounting groove 24, and a first waterproof ring 15 is sleeved in the first mounting groove 24 and is tightly pressed against the inner wall of the vibration rod 3. It should be noted that the first waterproof ring 15 is arranged in an O-shape and is made of silicone material; the first waterproof ring 15 can waterproof the vibration rod 3 and the toothbrush holder 2.

[0052] like Figure 1-14 As shown, the toothbrush holder 2 is provided with a second mounting groove 25, and the first mounting groove 24 is sleeved with a second waterproof ring 16 which is tightly pressed against the inner wall of the toothbrush housing 1. It should be noted that the second waterproof ring 16 is arranged in an O-shape and is made of silicone material; the second waterproof ring 16 can waterproof the space between the toothbrush housing 1 and the toothbrush holder 2.

[0053] Working principle: The inner wall of the toothbrush holder 2 is provided with a rib 21 that abuts against the hollow cup motor 5, so that the hollow cup motor 5 and the toothbrush are in line contact, which can reduce resonance; the positive electrode 9 and the negative electrode 12 elastically support the battery 10, thereby providing an electric toothbrush, reducing the noise of the electric toothbrush and enhancing the user experience.

[0054] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. An electric toothbrush, characterized in that: include: A toothbrush housing (1) and a toothbrush holder (2) are rotatably connected, wherein one end of the toothbrush holder (2) relative to the toothbrush housing (1) is sleeved with a vibration rod (3), and the vibration rod (3) is rotatably connected with a toothbrush head (4); a hollow cup motor (5) is installed in the toothbrush holder (2), an eccentric wheel (6) is sleeved on the output shaft of the hollow cup motor (5), and the inner wall of the toothbrush holder (2) is provided with ribs (21) abutting against the hollow cup motor (5); A control panel (7) is installed in the middle of the toothbrush holder (2); a mounting seat (8) is clamped in the toothbrush holder (2); a positive electrode member (9), a battery (10) and a negative electrode member (12) are installed in the toothbrush holder (2) in sequence, the positive electrode member (9) is embedded in the toothbrush holder (2), the negative electrode member (12) is respectively in abutment with the mounting seat (8) and the battery (10), and the positive electrode member (9) and the negative electrode member (12) are both elastic; The control board (7) is electrically connected to the coreless cup motor (5), the positive electrode member (9) and the negative electrode member (12) respectively.

2. The electric toothbrush according to claim 1, characterized in that: The positive electrode member (9) comprises a first positive electrode portion (91) and a second positive electrode portion (92) of an integrally formed structure; the first positive electrode portion (91) abuts against one end of the battery (10), and the first positive electrode portion (91) is arranged in the shape of a mosquito coil; the second positive electrode portion (92) is welded to the control board (7), and the second positive electrode portion (92) is arranged in a strip shape.

3. The electric toothbrush according to claim 2, characterized in that: The toothbrush holder (2) is provided with a boss (22) abutting against the first positive electrode portion (91), and the toothbrush holder (2) is also provided with a placement groove (23) for placing the second positive electrode portion (92).

4. The electric toothbrush according to claim 1, characterized in that: The negative electrode member (12) comprises a first negative electrode portion (121) and a second negative electrode portion (122) of an integrally formed structure; the first negative electrode portion (121) abuts against the mounting seat (8) and the battery (10) respectively, and the first negative electrode portion (121) is arranged in a spiral shape; the second negative electrode portion (122) is welded to the control board (7), and the second negative electrode portion (122) is arranged in a strip shape.

5. The electric toothbrush according to claim 4, characterized in that: The mounting seat (8) is provided with an opening (81) for accommodating the second negative electrode portion (122) to pass through, and the mounting seat (8) is also provided with a guide block (82) arranged adjacent to the opening (81), and the guide block (82) is used to guide the installation of the second negative electrode portion (122).

6. The electric toothbrush according to any one of claims 1 to 5, characterized in that: The toothbrush head (4) comprises a toothbrush handle (41), one end of which is provided with a plurality of bristles (42), the toothbrush handle (41) being provided with a receiving cavity (411) for receiving the vibration rod (3) to be embedded, the toothbrush handle (41) being provided with a first convex strip (412) and a second convex strip (413) located in the receiving cavity (411), the first convex strip (412) and the second convex strip (413) being distributed in layers, and the first convex strip (412) and the second convex strip (413) respectively abutting against the outer wall of the vibration rod (3).

7. The electric toothbrush according to claim 1, characterized in that: A control button (13) is clamped on the vibration rod (3).

8. The electric toothbrush according to any one of claims 1 to 5 or 7, characterized in that: A decorative ring (14) is sleeved on the toothbrush holder (2).

9. The electric toothbrush according to claim 1, characterized in that: The toothbrush holder (2) is provided with a first mounting groove (24), and a first waterproof ring (15) is sleeved in the first mounting groove (24) and is tightly pressed against the inner wall of the vibration rod (3).

10. The electric toothbrush according to claim 9, characterized in that: The toothbrush holder (2) is provided with a second mounting groove (25), and the first mounting groove (24) is sleeved with a second waterproof ring (16) which is tightly pressed against the inner wall of the toothbrush housing (1).

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