Electric toothbrush head lifting mechanism and electric toothbrush

Abstract

The utility model discloses an electric toothbrush head lifting mechanism and an electric toothbrush. The electric toothbrush head lifting mechanism comprises a lifting driving assembly. The lifting transmission assembly is in transmission connection with the lifting driving assembly; the at least one guide shaft is parallel to the lifting transmission assembly; the lifting cavity assembly is arranged on the lifting transmission assembly and the at least one guide shaft in a penetrating mode, and the lifting driving assembly drives the lifting cavity assembly to move through the lifting transmission assembly; the brush head driving assembly is detachably and fixedly arranged on the lifting cavity assembly, and an electric toothbrush head is detachably connected to the brush head driving assembly. The lifting operation of the electric toothbrush head is effectively realized through the mutual matching of the lifting driving component, the lifting transmission component, the lifting cavity component, the brush head driving component and the guide shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of electric toothbrushes, and in particular to an electric toothbrush head lifting mechanism and an electric toothbrush. Background Art

[0002] With the continuous improvement of the quality of life, electric toothbrushes have been vigorously promoted in the market. Electric toothbrushes use the rapid rotation or vibration of the vibration mechanism to make the brush head on the electric toothbrush head produce high-frequency vibrations, instantly decompose the toothpaste into fine foam, and deeply clean the teeth. At the same time, the vibration of the bristles can promote blood circulation in the oral cavity and have a massage effect on the gum tissue. The electric toothbrush in the prior art generally includes a brush handle and an electric toothbrush head. The top of the brush handle has a vibration mechanism. The electric toothbrush head includes a brush body and an insert block. The brush body is provided with bristles. The insert block is inserted into the brush body. The insert block is provided with a movement channel. The vibration mechanism is inserted into the movement channel. The vibration mechanism abuts against the movement channel. Through the high-frequency vibration of the vibration mechanism, the bristles on the electric toothbrush head vibrate to achieve the effect of brushing teeth with the bristles. Since it is unsanitary for the electric toothbrush head to be exposed outside, some electric toothbrush heads are disassembled from the brush handle and placed in another disinfection device for disinfection, which is cumbersome. Therefore, one of the purposes of the utility model is to provide an electric toothbrush head lifting mechanism and an electric toothbrush, so as to solve the problem of the existing electric toothbrush head being exposed outside and being unsanitary. Utility Model Content

[0003] One of the purposes of the utility model is to provide an electric toothbrush head lifting mechanism and an electric toothbrush, so as to solve the problem that the existing electric toothbrush head is exposed and unhygienic.

[0004] The utility model provides an electric toothbrush head lifting mechanism and an electric toothbrush through the following technical solutions:

[0005] The utility model discloses an electric toothbrush head lifting mechanism, comprising a lifting drive assembly; a lifting transmission assembly, which is in transmission connection with the lifting drive assembly; at least one guide shaft, which is arranged in parallel with the lifting transmission assembly; a lifting cavity assembly, which is respectively arranged through the lifting transmission assembly and at least one guide shaft, and the lifting drive assembly drives the lifting cavity assembly to move through the lifting transmission assembly; a brush head driving assembly, which is detachably fixedly arranged on the lifting cavity assembly, and the electric toothbrush head is detachably connected to the brush head driving assembly.

[0006] In one embodiment, the lifting drive assembly includes a lifting drive motor that can rotate forward and reverse; and a reduction structure that is transmission-connected to the lifting drive motor and is transmission-connected to the lifting drive assembly.

[0007] In one embodiment, the reduction structure includes a support frame, which is a supporting body; a reduction gear set movably arranged on the support frame, and two ends of the reduction gear set are respectively connected to the lifting drive motor and the drive shaft.

[0008] In one embodiment, the reduction gear set adopts a multi-stage reduction gear structure.

[0009] In one embodiment, the lifting transmission assembly includes a coupling and a transmission shaft; the transmission shaft is connected to the drive shaft through the coupling.

[0010] In one embodiment, the lifting chamber assembly includes a lifting chamber body and a transmission shaft sleeve; the transmission shaft sleeve is fixedly disposed in the lifting chamber body and is transmission-connected to the transmission shaft.

[0011] In one embodiment, a receiving cavity is provided on the lifting cavity body, and the brush head driving assembly is detachably fixedly disposed in the receiving cavity.

[0012] In one embodiment, a first through hole and a second through hole are respectively provided on both sides of the lifting chamber body; the transmission sleeve is fixedly arranged in the first through hole and is transmission-connected to the transmission shaft; the lifting chamber body is movably penetrated through the second through hole and is arranged on the guide shaft.

[0013] In one embodiment, the brush head driving assembly includes a brush head vibration motor and a brush head connecting seat; the brush head vibration motor is detachably fixed on the lifting chamber assembly; the brush head connecting seat is fixedly arranged on the rotating shaft of the brush head vibration motor, and the electric toothbrush head is detachably connected to the brush head connecting seat.

[0014] An electric toothbrush comprises the electric toothbrush head lifting mechanism described in any one of the above items.

[0015] Compared with the prior art, the electric toothbrush head lifting mechanism and the electric toothbrush of the utility model have the following beneficial effects:

[0016] The utility model discloses an electric toothbrush head lifting mechanism and an electric toothbrush, through the forward and reverse rotation of the lifting drive motor, which in turn drives the lifting chamber component to make linear motion on the guide shaft through the deceleration structure and the lifting transmission component, and the brush head driving component and the electric toothbrush head move in turn following the movement of the lifting chamber component, thereby realizing the lifting operation of the electric toothbrush head; when the electric toothbrush head is not needed, the electric toothbrush head can be hidden in the brush body, thereby effectively solving the problem of the existing electric toothbrush head being exposed to the outside and being unhygienic; at the same time, the brush head driving component can be detachably arranged in the lifting chamber component, which is convenient for the maintenance and replacement of the brush head driving component, and improves the convenience and experience of users to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of an electric toothbrush head lifting mechanism of the utility model;

[0019] Figure 2 yes Figure 1 The exploded structural diagram of the electric toothbrush head lifting mechanism of the utility model is shown, which includes a lifting drive assembly, a lifting transmission assembly and a lifting chamber assembly;

[0020] Figure 3 yes Figure 2 The exploded structural diagram of the lifting drive assembly and the lifting transmission assembly shown;

[0021] Figure 4 yes Figure 2 Schematic diagram of the exploded structure of the lifting chamber assembly shown.

[0022] Indicated in the figure: 11, lifting drive assembly; 111, lifting drive motor; 112, reduction structure; 1121, support frame; 1122, reduction gear set; 1123, drive shaft; 12, lifting transmission assembly; 121, coupling; 122, transmission shaft; 13, lifting chamber assembly; 131, lifting chamber body; 1311, accommodating chamber; 1312, first through hole; 1313, second through hole; 132, transmission sleeve; 14, guide shaft; 15, brush head drive assembly; 151, brush head vibration motor; 152, brush head connecting seat. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a partial embodiment of the utility model, not all embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1 and Figure 2 As shown, the utility model is an electric toothbrush head lifting mechanism mainly used in electric toothbrushes, which includes a lifting drive assembly 11, a lifting transmission assembly 12, a lifting chamber assembly 13, at least one guide shaft 14 and a brush head driving assembly 15; the lifting drive assembly 11 is transmission-connected with the lifting transmission assembly 12; at least one guide shaft 14 is arranged in parallel with the lifting transmission assembly 12; the lifting chamber assembly 13 is respectively arranged on the lifting transmission assembly 12 and at least one guide shaft 14, and the lifting drive assembly 11 drives the lifting chamber assembly 13 to make a linear motion on at least one guide shaft 14 through the transmission action of the lifting transmission assembly 12; the brush head driving assembly 15 is detachably fixedly arranged on the lifting chamber assembly 13, and moves with the movement of the lifting chamber assembly 13, and the electric toothbrush head is detachably connected to the brush head driving assembly 15. In this embodiment, one guide shaft 14 is arranged in parallel on the side of the lifting transmission assembly 12 and is movably connected to the lifting chamber assembly 13; in other embodiments, the number of the guide shafts 14 can also be two, three or other plurality, and the number is set according to actual needs.

[0026] See also Figure 1-Figure 3 As shown, in this embodiment, the lifting drive assembly 11 includes a lifting drive motor 111 and a reduction structure 112; the lifting drive motor 111 can rotate forward and reverse; one end of the reduction structure 112 is connected to the lifting drive motor 111, and the other end is connected to the lifting transmission assembly 12; the reduction structure 112 reduces the speed of the lifting drive motor 111 and increases its output torque. Specifically, the reduction structure 112 includes a support frame 1121, a reduction gear set 1122 and a drive shaft 1123; the support frame 1121 is a supporting body; the reduction gear set 1122 is movably arranged on the support frame 1121, the lifting drive motor 111 passes through the support frame 1121 and is connected to the reduction gear set 1122; the drive shaft 1123 passes through the support frame 1121 and is connected to the reduction gear set 1122 and the lifting transmission assembly 12. Specifically, the reduction gear set 1122 adopts a multi-stage reduction gear structure.

[0027] See also Figure 1-Figure 3 As shown, in this embodiment, the lifting transmission assembly 12 includes a coupling 121 and a transmission shaft 122; the transmission shaft 122 is transmission-connected to the drive shaft 1123 through the coupling 121, and the transmission shaft 122 rotates following the rotation of the drive shaft 1123.

[0028] See also Figure 1-Figure 4 As shown, in this embodiment, the lifting chamber assembly 13 includes a lifting chamber body 131 and a transmission sleeve 132; the transmission sleeve 132 is fixedly arranged in the lifting chamber body 131 and is transmission-connected to the transmission shaft 122, and the transmission shaft 122 drives the transmission sleeve 132 to move, thereby realizing the lifting operation of the lifting chamber assembly 13. Specifically, an accommodating cavity 1311 is provided on the lifting cavity body 131, and the brush head driving assembly 15 is detachably fixedly arranged in the accommodating cavity 1311; a first through hole 1311 and a second through hole 1312 are respectively arranged on both sides of the lifting cavity body 131, and the transmission shaft sleeve 132 is fixedly arranged in the first through hole 1311 and is transmission-connected to the transmission shaft 122; the lifting cavity body 131 is movably penetrated through the second through hole 1312 on the guide shaft 14, and the inner wall of the second through hole 1312 is smooth, which is conducive to reducing the friction with the guide shaft 14, thereby reducing the resistance of the lifting cavity assembly 13 to the movement of the guide shaft 14 to a certain extent.

[0029] See also Figure 1 and Figure 2 As shown, in this embodiment, the brush head driving assembly 15 includes a brush head vibration motor 151 and a brush head connecting seat 152; the brush head vibration motor 151 is detachably fixed on the lifting chamber assembly 13; the brush head connecting seat 152 is fixed on the rotating shaft of the brush head vibration motor 151, and the electric toothbrush head is detachably connected to the brush head connecting seat 152.

[0030] The utility model provides an electric toothbrush comprising any one of the electric toothbrush head lifting mechanisms described above.

[0031] It should be noted that the specific working process of the electric toothbrush head lifting mechanism and the electric toothbrush of the utility model is as follows: when the electric toothbrush head needs to rise, the lifting drive motor 111 rotates forward, and it drives the lifting chamber assembly 13 to move upward through the deceleration structure 112 and the lifting transmission assembly 12 in turn, and the brush head drive assembly 15 arranged in the lifting chamber assembly 13 also moves upward, thereby realizing the rising operation of the electric toothbrush head; when the electric toothbrush head needs to fall, the lifting drive motor 111 reverses, and it drives the lifting chamber assembly 13 to move downward through the deceleration structure 112 and the lifting transmission assembly 12 in turn, and the brush head drive assembly 15 arranged in the lifting chamber assembly 13 also moves downward, thereby realizing the falling operation of the electric toothbrush head.

[0032] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0033] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An electric toothbrush head lifting mechanism, characterized in that: include: Lifting drive assembly; A lifting transmission assembly, which is in transmission connection with the lifting drive assembly; At least one guide shaft, which is arranged parallel to the lifting transmission assembly; A lifting chamber assembly is respectively arranged on the lifting transmission assembly and at least one of the guide shafts, and the lifting drive assembly drives the lifting chamber assembly to move through the lifting transmission assembly; The brush head driving assembly is detachably fixed on the lifting chamber assembly, and the electric toothbrush head is detachably connected to the brush head driving assembly.

2. The electric toothbrush head lifting mechanism according to claim 1, characterized in that: The lifting drive assembly comprises a lifting drive motor, which can rotate forward and reverse; and a speed reduction structure drivingly connected to the lifting drive motor, which is drivingly connected to the lifting drive assembly.

3. The electric toothbrush head lifting mechanism according to claim 2, characterized in that: The deceleration structure includes a support frame, which is a supporting body; A reduction gear set is movably arranged on the support frame, and two ends of the reduction gear set are respectively connected to the lifting drive motor and the drive shaft.

4. The electric toothbrush head lifting mechanism according to claim 3, characterized in that: The reduction gear set adopts a multi-stage reduction gear structure.

5. The electric toothbrush head lifting mechanism according to claim 3, characterized in that: The lifting transmission assembly includes a coupling and a transmission shaft; the transmission shaft is transmission-connected to the drive shaft via the coupling.

6. The electric toothbrush head lifting mechanism according to claim 5, characterized in that: The lifting chamber assembly comprises a lifting chamber body and a transmission shaft sleeve; the transmission shaft sleeve is fixedly arranged in the lifting chamber body and is transmission-connected to the transmission shaft.

7. The electric toothbrush head lifting mechanism according to claim 6, characterized in that: The lifting chamber body is provided with an accommodating chamber, and the brush head driving assembly is detachably fixedly arranged in the accommodating chamber.

8. The electric toothbrush head lifting mechanism according to claim 6, characterized in that: A first through hole and a second through hole are respectively provided on both sides of the lifting chamber body; the transmission sleeve is fixedly arranged in the first through hole and is transmission-connected to the transmission shaft; the lifting chamber body is movably penetrated through the second through hole and is arranged on the guide shaft.

9. The electric toothbrush head lifting mechanism according to claim 1, characterized in that: The brush head driving assembly includes a brush head vibration motor and a brush head connecting seat; the brush head vibration motor is detachably fixed on the lifting chamber assembly; the brush head connecting seat is fixedly arranged on the rotating shaft of the brush head vibration motor, and the electric toothbrush head is detachably connected to the brush head connecting seat.

10. An electric toothbrush, characterized in that: It comprises the electric toothbrush head lifting mechanism as described in any one of claims 1 to 9.

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