CN211863017U

CN211863017U - Electric toothbrush

Info

Publication number: CN211863017U
Application number: CN201922303140.7U
Authority: CN
Inventors: 黄嘉诚; 李玉彬; 邹休; 王志东; 赵玉强; 何芬; 郑容金
Original assignee: Zhuhai Damuzhi Cross Border E Commerce Co ltd
Current assignee: Zhuhai Damuzhi Cross Border E Commerce Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-11-06
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an electric toothbrush, including drive wheel, swing piece and transmission shaft, the drive wheel is provided with the eccentric slider that deviates from its central axis, the swing spout has been seted up to the swing piece, the eccentric slider of drive wheel penetrate in the swing spout, the transmission shaft with the swing piece is connected, just the transmission shaft is used for being connected with electric toothbrush's toothbrush head, works as the drive wheel drives eccentric slider in when sliding in the swing spout, reciprocating swing is made to the swing piece, with through the reciprocal rotatory swing is made to the toothbrush head that the transmission shaft drove electric toothbrush. Through the device, the swing of the swing block is achieved by the rotation of the driving wheel, the one-level transmission of the transmission shaft is further driven, the transmission shaft and the driving wheel are separately arranged, the transmission of the transmission device is prevented from being influenced by the transmission shaft when the pressure is sensed, the load can be reduced, the noise is reduced, the cruising ability of a product is improved, and the cleaning effect and the service life of the product are prolonged.

Description

Electric toothbrush

Technical Field

The utility model relates to the technical field of daily necessities, especially, relate to an electric toothbrush.

Background

With the increasing improvement of the living standard of people, the pursuit of people for the quality of beautiful life is stronger and stronger. The electric toothbrush can make the brush head generate high-frequency rotation reciprocating vibration through the quick rotation or vibration of the motor core, instantaneously decompose toothpaste into fine foam to deeply clean teeth gaps, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues. The electric toothbrush is convenient for people to live and improves the quality of life of people, and once the electric toothbrush is produced, the electric toothbrush is widely favored by people.

And existing electric toothbrush on the market, because drive wheel and transmission shaft design in an organic whole, disturb driven transmission's gear easily when transmission shaft induced pressure, the load grow that leads to electric toothbrush work production in the time, the continuation of the journey shortens, also can cause the noise big, the weak lamp problem of clean dynamics still can influence transmission's life. Therefore, in order to overcome the defects of the prior art, the invention provides the electric toothbrush, the design of the transmission shaft and the transmission device is reasonable, the electric toothbrush is small in load and long in endurance, the noise generated during working can be reduced, the cleaning force is improved, and the service life of the electric toothbrush is effectively prolonged.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an electric toothbrush, simple structure, the noise is little, and clean efficient, duration is strong.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an electric toothbrush, including drive wheel, swing piece and transmission shaft, the drive wheel is provided with the eccentric slider that deviates from its central axis, the swing spout has been seted up to the swing piece, the eccentric slider of drive wheel penetrate in the swing spout, the transmission shaft with the swing piece is connected, just the transmission shaft is used for being connected with electric toothbrush's toothbrush head, works as the drive wheel drives eccentric slider in when sliding in the swing spout, reciprocating swing is made to the swing piece, with pass through the transmission shaft drives electric toothbrush's toothbrush head and makes reciprocating rotation swing.

Further, still include casing and arm body, the drive wheel and swing piece all sets up in the casing, the transmission shaft in wear out in the casing extremely outside the casing for be connected with electric toothbrush's toothbrush head, arm body cover is located the transmission shaft.

Further, be provided with the fulcrum of rotation on the arm body, the arm body with the fulcrum of rotation rotate connect in the casing, be provided with pressure-sensitive device in the casing, the one end of arm body extends to the toothbrush head, the other end of arm body can trigger in its stroke pressure-sensitive device, works as the toothbrush head in when the effort is exerted to the one end of arm body, the other end of arm body can trigger pressure-sensitive device.

Furthermore, the arm body comprises a shaft sleeve, a shaft sleeve support and a brush rod, the shaft sleeve is inserted in the shaft sleeve support, the shaft sleeve support penetrates out of the shell body in the shell body, and part of the shaft sleeve support outside the shell body is inserted in the brush rod.

The swing block is arranged on the shaft sleeve, the shaft sleeve is arranged on the shaft sleeve, the swing block is arranged on the shaft sleeve, the shaft sleeve is arranged on the shaft sleeve, and the shaft sleeve is arranged on the shaft sleeve.

Further, a first sealing ring and a first limiting spring are further arranged between the shaft sleeve and the shaft sleeve support, the transmission shaft is sleeved with the first sealing ring, and the first limiting spring is sleeved on the first sealing ring.

Further, a second sealing ring and a second limiting spring are further arranged between the shaft sleeve support and the shell, the shaft sleeve support is sleeved with the second sealing ring, and the second sealing ring is sleeved with the second limiting spring.

Further, still include suggestion device, the suggestion device set up in the casing, the pressure-sensitive device with the suggestion device electricity is connected.

Furthermore, the shaft sleeve support is provided with a limiting groove, one end of the second elastic piece is inserted into the limiting groove, and the other end of the second elastic piece abuts against the shell.

Further, still include motor, first gear, second gear and motor support, the motor is fixed in the motor support, the center pin rotationally set up in the motor support, first gear peg graft in the axis of rotation of motor, the second gear set up in center pin one end, first gear with the meshing of second gear.

The utility model has the advantages that: through the structure, when in use, the eccentric slide block on the driving wheel slides in the swing chute to drive the swing block to swing in a reciprocating way, so as to drive the transmission shaft and further drive the toothbrush head of the electric toothbrush to swing in a reciprocating and rotating way. Through the device, the swing of the swing block is achieved by the rotation of the driving wheel, the one-level transmission of the transmission shaft is further driven, the transmission shaft and the driving wheel are separately arranged, the transmission of the transmission device is prevented from being influenced by the transmission shaft when the pressure is sensed, the load can be reduced, the noise is reduced, the cruising ability of a product is improved, and the cleaning effect and the service life of the product are prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the present invention, wherein the swing block is located on one side of the transmission shaft;

FIG. 3 is a schematic view of a portion of the present invention, wherein the swing block is located on the other side of the transmission shaft;

fig. 4 is a cross-sectional view of the overall structure of the present invention;

FIG. 5 is an enlarged view at A of FIG. 4;

fig. 6 is a schematic view of a part of the arm body of the present invention.

Detailed Description

Referring to fig. 1 to 6, an electric toothbrush, including drive wheel 1, swing block 2 and transmission shaft 3, drive wheel 1 is provided with the eccentric slider 11 that deviates from its central axis 14, swing spout 21 has been seted up to swing block 2, the eccentric slider 11 of drive wheel 1 penetrate in swing spout 21, transmission shaft 3 with swing block 2 is connected, just transmission shaft 3 is used for being connected with electric toothbrush's toothbrush head, works as drive wheel 1 drives eccentric slider 11 in when sliding in swing spout 21, swing block 2 is reciprocating swing to through transmission shaft 3 drives electric toothbrush's toothbrush head and makes reciprocating rotation swing.

Through the structure, when in use, the eccentric slide block on the driving wheel slides in the swing chute to drive the swing block to swing in a reciprocating way, so as to drive the transmission shaft and further drive the toothbrush head of the electric toothbrush to swing in a reciprocating and rotating way. Through the device, the swing of the swing block is achieved by the rotation of the driving wheel, the one-level transmission of the transmission shaft is further driven, the transmission shaft and the driving wheel are separately arranged, the transmission of the transmission device is prevented from being influenced by the transmission shaft when the pressure is sensed, the load can be reduced, the noise is reduced, the cruising ability of a product is improved, and the cleaning effect and the service life of the product are prolonged.

In this embodiment, the electric toothbrush further comprises a shell 4 and an arm body 5, the driving wheel 1 and the swinging block 2 are arranged in the shell 4, the transmission shaft 3 penetrates out of the shell 4 to the outside of the shell 4 and is connected with a toothbrush head 7 of the electric toothbrush, and the transmission shaft 3 is sleeved with the arm body 5. Through the setting of above-mentioned structure, transmission shaft 3 is located to 5 covers of arm body, makes arm body 5 can support transmission shaft 3, and transmission shaft 3 wears out in casing 4, connects electric toothbrush's toothbrush head 7, has realized electric toothbrush's monolithic connection, and is rational in infrastructure, convenient to use.

In this embodiment, the arm body 5 is provided with a rotation fulcrum 50, the arm body 5 is rotatably connected to the housing 4 through the rotation fulcrum 50, the housing 4 is provided with a pressure sensing device 61, one end of the arm body extends to the toothbrush head 7, the other end of the arm body 5 can trigger the pressure sensing device 61 in the stroke, and when the toothbrush head 7 applies an acting force to one end of the arm body 5, the other end of the arm body 5 can trigger the pressure sensing device 61. Through the arrangement of the structure, the relative position of the arm body 5 and the shell 4 can be detected, and further the detection of the stress on the arm body 5 is realized. When the brushing force of the user is too large, the force on the arm body 5 is increased, and the arm body 5 rotates around the rotating fulcrum 50 to trigger the pressure sensing device 61. The setting of above-mentioned structure makes the user can monitor the dynamics of brushing teeth, prevents to exert oneself too big damage tooth to the user, simultaneously, also prevents that the user from brushing teeth the dynamics too big, and influences the work of the inside transmission structure of toothbrush, reduces the load, improves electric toothbrush's life, simple structure, safe and reliable.

In this embodiment, the arm 5 includes a shaft sleeve 51, a shaft sleeve bracket 52 and a brush rod 53, the shaft sleeve 51 is inserted into the shaft sleeve bracket 52, the shaft sleeve bracket 52 penetrates out of the housing 4 in the housing 4, and a part of the shaft sleeve bracket 52 outside the housing 4 is inserted into the brush rod 53. Through the setting of above-mentioned structure, axle sleeve 51, axle sleeve support 52 and brush-holder stud 53 are located on transmission shaft 3 in the overcoat in casing 4, for transmission shaft 3 provides the protection, make transmission shaft 3 in the transmission of arm body 5, and then drive toothbrush head 7, realize the efficiency of electric toothbrush clean tooth, simple structure, high efficiency.

In this embodiment, the electric toothbrush further includes a limiting post 36 and a first elastic member 31, the first elastic member 31 is sleeved on the transmission shaft 3, two ends of the first elastic member 31 respectively abut against the swinging block 2 and the shaft sleeve 51, the limiting post 36 is inserted into the shaft sleeve bracket 52, and the limiting post 36 abuts against the transmission shaft 3. Through the arrangement of the structure, the limit column 36 limits the transmission shaft 3, reduces the faults caused by the movement of the transmission shaft 3, and enables the transmission shaft 3 to stably swing in the arm body 5. When the arm 5 rotates around the rotation fulcrum 50, the swing block 2 and the shaft sleeve 51 relatively displace, and the first elastic element 31 elastically abuts against the swing block 2 and the shaft sleeve 51, so that the swing block 2 and the shaft sleeve 51 can restore to the initial relative position through the restoration of the first elastic element 31 after the relative displacement. Through the setting of spacing post 36 and first elastic component 31, spacing the position of transmission shaft, swing piece 2 and axle sleeve 51 relatively, simple structure sets up the stability that can realize the product structure, simple structure, reliable.

In this embodiment, a first sealing ring 32 and a first limiting spring 33 are further disposed between the shaft sleeve 51 and the shaft sleeve support 52, the transmission shaft 3 is sleeved with the first sealing ring 32, and the first limiting spring 33 is sleeved with the first sealing ring 32. Through the arrangement of the structure, the waterproof effect between the shaft sleeve 51 and the shaft sleeve bracket 52 can be realized, and water is prevented from entering the electric toothbrush from the shaft sleeve 51 and the shaft sleeve bracket 52 along the arm body 5 when the electric toothbrush is used. First spacing spring 33 cover is established on first sealing ring 32, makes laminating more, stable between first sealing ring 32 and the transmission shaft 3, has further ensured first sealing ring 32's water-proof effects. The good waterproof effect can protect the inner structure of the product, and the service life and the use stability of the product are improved.

In this embodiment, a second sealing ring 34 and a second limiting spring 35 are further disposed between the shaft sleeve support 52 and the housing 4, the shaft sleeve support 52 is sleeved with the second sealing ring 34, and the second limiting spring 35 is sleeved with the second sealing ring 34. Through the arrangement of the structure, the waterproof effect between the shell 4 and the shaft sleeve support 52 can be realized, and water is prevented from entering the electric toothbrush from the shell 4 and the shaft sleeve support 52 along the arm body 5 when the electric toothbrush is used. The second sealing ring 34 is sleeved by the second spring 35, so that the second sealing ring 34 and the shaft sleeve support 52 are more attached and stable, and the waterproof effect of the second sealing ring 34 is further guaranteed. The good waterproof effect can protect the inner structure of the product, and the service life and the use stability of the product are improved.

In this embodiment, the electric toothbrush further comprises a prompting device 6, the prompting device 6 is disposed on the housing 4, and the pressure sensing device 61 is electrically connected to the prompting device 6. Through the arrangement of the structure, the pressure sensing device 61 positioned on the shell is used for sensing the position of the arm body 5, when the arm body 5 rotates around the rotating fulcrum 50, the arm body 5 triggers the sensing device 61, the sensing device 61 transmits a signal to the prompting device 6, and the prompting device 6 gives a prompt. The prompting device 6 is set as a prompting lamp, and similarly, the prompting device 6 can also be set as a voice prompting device. Through the setting of suggestion device 6, cooperation pressure-sensitive device 61 can realize the control to arm 5 positions, and then realize the suggestion to the user dynamics of brushing teeth, has realized human-computer interaction well, simple structure, convenient high efficiency, convenient to use.

In this embodiment, the electric toothbrush further includes a second elastic member 54, the shaft sleeve bracket 52 is provided with a limiting groove 521, one end of the second elastic member 54 is inserted into the limiting groove 521, and the other end of the second elastic member abuts against the housing 4. When the toothbrush is used, a user brushes teeth to enable the toothbrush head 7 to be stressed, and then force is exerted on the transmission shaft 3 and the arm body 5, so that the arm body 5 rotates around the rotating fulcrum 50, the second elastic piece 54 is stressed and compressed, and when the second elastic piece 54 is reset, the shaft sleeve support 52 is driven to reset. The setting of second elastic component 54 can make between arm 5 and the casing 4 remain stable relative position, and then can continuously monitor user's dynamics of brushing teeth and carry out the suggestion, makes the user obtain good use and experiences, protects the tooth, also makes electric toothbrush's inside more stable, convenient to use, reliable.

In this embodiment, the electric toothbrush further includes a motor 11, a first gear 12, a second gear 13, and a motor bracket 15, wherein the motor 11 is fixed to the motor bracket 15, the central shaft 14 is rotatably disposed on the motor bracket 15, the first gear 12 is inserted into a rotating shaft of the motor 11, the second gear 13 is disposed at one end of the central shaft 14, and the first gear 12 is engaged with the second gear 13. Through the arrangement of the structure, the transmission between the motor and the transmission wheel is realized.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments disclosed herein. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims

1. The utility model provides an electric toothbrush, its characterized in that, includes drive wheel (1), swing piece (2) and transmission shaft (3), drive wheel (1) is provided with eccentric slider (10) that deviates from its central axis (14), swing spout (21) have been seted up in swing piece (2), eccentric slider (10) of drive wheel (1) penetrate in swing spout (21), transmission shaft (3) with swing piece (2) are connected, just transmission shaft (3) are used for being connected with electric toothbrush's toothbrush head, work as drive wheel (1) drive eccentric slider (10) in when sliding in swing spout (21), swing piece (2) are made reciprocating swing to pass through transmission shaft (3) drive electric toothbrush's toothbrush head is made reciprocating rotation swing.

2. The electric toothbrush according to claim 1, characterized in that the electric toothbrush further comprises a housing (4) and an arm body (5), the driving wheel (1) and the swinging block (2) are both arranged in the housing (4), the transmission shaft (3) penetrates out of the housing (4) in the housing (4) to be connected with a toothbrush head (7) of the electric toothbrush, and the transmission shaft (3) is sleeved with the arm body (5).

3. The electric toothbrush according to claim 2, characterized in that the arm (5) is provided with a pivot (50), the arm (5) is rotatably connected to the housing (4) through the pivot (50), a pressure sensing device (61) is provided in the housing (4), one end of the arm extends to the toothbrush head (7), the other end of the arm (5) can trigger the pressure sensing device (61) within the stroke, and the other end of the arm (5) can trigger the pressure sensing device (61) when the toothbrush head (7) exerts an acting force on one end of the arm (5).

4. The electric toothbrush according to claim 3, wherein the arm (5) comprises a bushing (51), a bushing holder (52) and a brush rod (53), the bushing (51) is inserted into the bushing holder (52), the bushing holder (52) protrudes from the housing (4) to the outside of the housing (4), and a portion of the bushing holder (52) outside the housing (4) is inserted into the brush rod (53).

5. The electric toothbrush according to claim 4, further comprising a limiting post (36) and a first elastic member (31), wherein the first elastic member (31) is sleeved on the transmission shaft (3), two ends of the first elastic member (31) respectively abut against the swinging block (2) and the shaft sleeve (51), the limiting post (36) is inserted into the shaft sleeve bracket (52), and the limiting post (36) abuts against the transmission shaft (3).

6. The electric toothbrush according to claim 4, wherein a first sealing ring (32) and a first limiting spring (33) are further arranged between the shaft sleeve (51) and the shaft sleeve bracket (52), the first sealing ring (32) is sleeved on the transmission shaft (3), and the first limiting spring (33) is sleeved on the first sealing ring (32).

7. The electric toothbrush according to claim 4, characterized in that a second sealing ring (34) and a second limiting spring (35) are further disposed between the bushing bracket (52) and the housing (4), the bushing bracket (52) is sleeved with the second sealing ring (34), and the second limiting spring (35) is sleeved with the second sealing ring (34).

8. The electric toothbrush according to claim 3, further comprising an indication device (6), wherein the indication device (6) is disposed on the housing (4), and the pressure sensing device (61) is electrically connected to the indication device (6).

9. The electric toothbrush according to claim 4, characterized in that the electric toothbrush further comprises a second elastic member (54), a limiting groove (521) is formed in the shaft sleeve bracket (52), one end of the second elastic member (54) is inserted into the limiting groove (521), and the other end of the second elastic member abuts against the housing (4).

10. The electric toothbrush according to claim 1, further comprising a motor (11), a first gear (12), a second gear (13), and a motor bracket (15), wherein the motor (11) is fixed to the motor bracket (15), the central shaft (14) is rotatably disposed on the motor bracket (15), the first gear (12) is inserted into a rotating shaft of the motor (11), the second gear (13) is disposed at one end of the central shaft (14), and the first gear (12) is engaged with the second gear (13).