CN216985259U

CN216985259U - Oscillating electric toothbrush

Info

Publication number: CN216985259U
Application number: CN202220165904.XU
Authority: CN
Inventors: 何少敏
Original assignee: Wenzhou Lebang Electric Appliance Co ltd
Current assignee: Wenzhou Lebang Electric Appliance Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-19
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a swing type electric toothbrush, which comprises a handle body and a toothbrush head, wherein the toothbrush head is arranged on the handle body through a connecting seat, the toothbrush head is connected to the connecting seat through an elastic part and can swing towards two sides of the width direction of the toothbrush head, the swing type electric toothbrush also comprises a driving mechanism for driving the toothbrush head to swing in a reciprocating mode, the driving mechanism comprises a motor and a transmission rod, the transmission rod is rotatably arranged on the connecting seat and is arranged along the length direction of the handle body, one end of the transmission rod is connected with an output shaft of the motor, the other end of the transmission rod is connected with the toothbrush head through an eccentric structure, the output shaft of the motor drives the transmission rod to rotate, and the transmission rod drives the toothbrush head to swing in a reciprocating mode towards two sides through the eccentric structure. By adopting the scheme, the toothbrush head can swing in a directional reciprocating manner, and the cleaning effect of teeth is better.

Description

Oscillating electric toothbrush

Technical Field

The utility model relates to the technical field of toothbrushes, in particular to a swing type electric toothbrush.

Background

In daily life, a toothbrush is used for cleaning the oral cavity in order to clean the oral cavity, but a manual toothbrush usually cannot clean teeth cleanly, and the gum bleeding and the enamel abrasion are caused by the non-specification of manual operation force and action. Electric toothbrush has appeared on the market now, and it includes the handle body and toothbrush head, and the internal motor core's of handle fast rotation or vibrations drive the toothbrush head and produce high frequency vibration, and the vibration transmission brushes teeth on to the brush hair of toothbrush head. However, the toothbrush head can only vibrate irregularly, and can not brush the surface of the teeth in a reciprocating way like a common toothbrush, and the cleaning effect of the teeth is poor.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the oscillating electric toothbrush which can realize the directional reciprocating oscillation of the toothbrush head and has better tooth cleaning effect.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an oscillating electric toothbrush, includes the handle body and toothbrush head, and the toothbrush head passes through the connecting seat and installs on the handle body, the toothbrush head passes through the elastic component and connects on the connecting seat, and the toothbrush head can still include the actuating mechanism of the reciprocal swing of drive toothbrush head to its width direction's both sides swing, and actuating mechanism includes motor and transfer line, the transfer line rotates and sets up on the connecting seat, and the length direction setting of handle body is followed to the transfer line, the one end of transfer line and the output shaft of motor, and the other end of transfer line passes through eccentric structure and is connected with the toothbrush head, and the output shaft of motor drives the transfer line and rotates, and the transfer line drives the toothbrush head through eccentric structure and to the reciprocal swing of both sides.

Through adopting above-mentioned scheme, wherein the motor can set up on the handle body, also can set up on the connecting seat, the output shaft of motor drives the transfer line and rotates, the transfer line drives the reciprocal swing of toothbrush head to both sides through eccentric structure, the elastic component can play the cushioning effect when the reciprocal swing of toothbrush head, reduce the vibrations of toothbrush head, the reciprocal swing of both sides of toothbrush head to its width direction, when brush hair and the tooth surface contact on the toothbrush head, the brush head drives the brush hair and follows the directional reciprocal swing in surface of tooth, the clean effect of tooth is better.

The utility model further provides that: the elastic component is a torsion spring, and the torsion spring is arranged in the connecting seat, the torsion spring comprises a first elastic part, the connecting seat is fixedly arranged at the back of the toothbrush head or integrally provided with a bottom plate, the first elastic part of the torsion spring extends out of the connecting seat and is connected with the toothbrush head, and the torsion spring can give the toothbrush head elastic force to the activity close to one side of the bottom plate.

Through adopting the above scheme, the body part location of torsional spring is installed in the connecting seat, elastic deformation can take place for the first elastic part of torsional spring, the toothbrush head direct through first elastic part is connected with the connecting seat, first elastic part not only plays the cushioning effect, still play the joint action of toothbrush head, and the torsional spring can give the toothbrush head to the elastic force of being close to bottom plate one side activity, can support the toothbrush head and establish on the bottom plate, can make the toothbrush head paste bottom plate reciprocating swing like this, the difficult drunkenness that takes place of toothbrush head, the setting of torsional spring still can not produce metal fatigue, can guarantee the long-time steady swing of toothbrush head, moreover, the steam generator is simple in structure, and reasonable design.

The utility model further comprises the following steps: the width of bottom plate is greater than the width of toothbrush head, and toothbrush head is provided with protruding muscle in one side that is close to the bottom plate or the bottom plate is close to one side of toothbrush head, and protruding muscle supports and establishes on bottom plate or toothbrush head.

Through adopting above-mentioned scheme, the width of bottom plate is greater than the width of toothbrush head, and the bottom plate is motionless for the toothbrush head, can prevent that toothbrush head is in the ascending both sides wall of swing direction and tooth contact, protects the tooth, and toothbrush head is provided with protruding muscle in one side that is close to the bottom plate, can reduce the area of contact of toothbrush head and bottom plate, the reciprocal wobbling frictional force of reducible toothbrush head.

The utility model further provides that: first elastic component is provided with two, is located the both sides of transfer line respectively, and the both sides of toothbrush head are provided with the standing groove that supplies first elastic component to place respectively, and the tip of first elastic component is bent towards one side of bottom plate and is set up, is provided with the tip that supplies first elastic component on the lateral wall of standing groove and inserts the jack or the slot of establishing, and first elastic component is pegged graft at jack or slot.

Through adopting above-mentioned scheme, the position reasonable in design of first elastic component, the swing of toothbrush head is more stable, and the connected mode of first elastic component and toothbrush head is simple, the assembly of being convenient for.

The utility model further provides that: the torsion spring further comprises a second elastic part, a groove for the second elastic part to be inserted is formed in the connecting seat, a stop block is fixedly arranged at a position close to the groove or integrally arranged on the connecting seat, and when the second elastic part is inserted into the groove, the stop block abuts against the second elastic part.

Through adopting above-mentioned scheme, backstop piece plays the backstop effect to second elastic component, and second elastic component can't carry out bending deformation like this, in case the toothbrush head takes place the back-and-forth movement under actuating mechanism's drive when, and first elastic component gives the toothbrush head to the elastic force of being close to bottom plate one side activity, plays better cushioning effect, avoids the toothbrush head to strike the surface of tooth, also can restrict the torsional spring simultaneously and take place the drunkenness, and the torsional spring installation is more stable.

The utility model further provides that: the eccentric structure comprises an eccentric shaft which is fixedly or integrally arranged on the transmission rod, the eccentric shaft is arranged to deviate from the central shaft of the transmission rod, a containing cavity for the eccentric shaft to be inserted is formed in the toothbrush head, the transmission rod drives the eccentric shaft to do eccentric motion, and the eccentric shaft abuts against the side wall of the containing cavity to drive the toothbrush head to swing in a reciprocating mode.

Through adopting above-mentioned scheme, the transfer line drives the eccentric shaft and is eccentric motion, thereby the eccentric shaft supports and leans on the lateral wall in holding chamber to drive the reciprocal swing of toothbrush head in certain angle, and the width of the left and right sides in holding chamber and the diameter looks adaptation of eccentric shaft, the length of the front and back both sides in holding chamber is greater than the rotation range of eccentric shaft, the eccentric shaft can only drive toothbrush head horizontal hunting, can not drive toothbrush head back-and-forth movement, the toothbrush head can not beat the surface of tooth like this, only can the surface of directional reciprocal brush tooth, moreover, the steam generator is simple in structure, and the design is reasonable.

The utility model further provides that: the electric motor is fixedly arranged on the handle body, an output shaft of the electric motor is arranged along the length direction of the handle body, the output shaft of the electric motor is connected with the transmission rod through a transmission sleeve, the transmission sleeve and the output shaft of the electric motor are arranged along the same central shaft, the transmission sleeve is synchronously rotated and arranged on the output shaft of the electric motor device, and the transmission sleeve is in circumferential linkage connection with the transmission rod.

Through adopting above-mentioned scheme, the installation space has been saved to the output shaft setting along same center pin of transmission cover and motor, and transmission cover tight fit overcoat is in the output shaft of motor, and the transfer line realizes with the transmission cover that both circumference linkage is connected through the mode of pegging graft, easy dismounting, and the transmission is stable, simple structure, reasonable in design.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a connecting socket according to an embodiment of the present invention;

FIG. 3 is a schematic view of an internal structure of the connecting socket according to the embodiment of the present invention;

FIG. 4 is a schematic view of a stopper block according to an embodiment of the present invention;

figure 5 is a schematic view of the back construction of a toothbrush head of an embodiment of the present invention;

figure 6 is a schematic view of the underside of a toothbrush head of an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a torsion spring according to an embodiment of the present invention;

FIG. 8 is a schematic view of a matching structure of a motor and a transmission rod according to an embodiment of the present invention;

figure 9 is a schematic view showing the direction of oscillation of a toothbrush head in accordance with an embodiment of the present invention.

Detailed Description

As shown in fig. 1-9, a swing type electric toothbrush comprises a handle body 1 and a toothbrush head 2, the toothbrush head 2 is mounted on the handle body 1 through a connecting seat 3, the connecting seat 3 is inserted and sleeved on the handle body 1, the connecting seat 3 can be of a split structure, which is convenient for assembly of parts, the toothbrush head 2 is connected on the connecting seat 3 through an elastic part, the toothbrush head 2 can swing to both sides of the width direction thereof, the swing type electric toothbrush further comprises a driving mechanism for driving the toothbrush head 2 to swing back and forth, the driving mechanism comprises a motor 4 and a transmission rod 5, the motor 4 can have a speed reduction function and can also comprise a motor and a speed reduction structure, the transmission rod 5 is rotatably arranged on the connecting seat 3, the transmission rod 5 is arranged along the length direction of the handle body 1, one end of the transmission rod 5 is connected with an output shaft of the motor 4, the other end of the transmission rod 5 is connected with the toothbrush head 2 through an eccentric structure, the output shaft of the motor 4 drives the transmission rod 5 to rotate, the transmission rod 5 drives the toothbrush head 2 to swing to the two sides in a reciprocating way through an eccentric structure. Wherein the direction of oscillation of the brush head 2 is the direction indicated by a in figure 6.

In this embodiment, the elastic component is torsional spring 6, and in connecting seat 3 was arranged in to torsional spring 6, torsional spring 6 included first elastic part 61, and connecting seat 3 is fixed or integrative being provided with bottom plate 31 in 2 back departments of toothbrush head, and the first elastic part 61 of torsional spring 6 stretches out connecting seat 3 and is connected with toothbrush head 2, and torsional spring 6 can give toothbrush head 2 to being close to the elastic force of bottom plate 31 one side activity. Of course, the elastic element can also be arranged into an elastic metal rod structure, the elastic metal rod is arranged on the connecting seat, and the toothbrush head is directly sleeved on the elastic metal rod. The elastic element can be arranged into other structures as long as the elastic element can play a role in connecting the toothbrush head and can enable the toothbrush head to be abutted against the bottom plate so as to enable the toothbrush head to swing back and forth against the bottom plate.

In this embodiment, the width of the bottom plate 31 is larger than the width of the toothbrush head 2, and the toothbrush head 2 is provided with a rib 21 at a side close to the bottom plate 31, and the rib 21 abuts against the bottom plate 31. Of course, a convex rib can be arranged on one side of the bottom plate close to the toothbrush head and abutted against the toothbrush head.

In this embodiment, the first elastic portion 61 is provided with two, and is located the both sides of transfer line 5 respectively, and the both sides of toothbrush head 2 are provided with respectively and supply the standing groove 22 that first elastic portion 61 placed, and the tip of first elastic portion 61 is bent towards one side of bottom plate 31 and is set up, is provided with on the lateral wall of standing groove 22 and supplies the tip of first elastic portion 61 to insert the jack 23 of establishing, and first elastic portion 61 is pegged graft at jack 23. Certainly, the toothbrush head can also be provided with a slot, and the first elastic part is directly inserted into the slot in a close fit manner.

In this embodiment, the torsion spring 6 further includes a second elastic portion 62, a groove 32 is formed in the connecting seat 3 for the second elastic portion 62 to be inserted into, a stop block 33 is fixed or integrally formed on the connecting seat 3 near the groove 32, and when the second elastic portion 62 is inserted into the groove 32, the stop block 33 abuts against the second elastic portion 62.

In this embodiment, eccentric structure is including fixed or integrative eccentric shaft 51 that sets up on transfer line 5, the eccentric shaft 51 skew transfer line 5's center pin setting, be provided with on toothbrush head 2 and supply eccentric shaft 51 to insert the holding chamber 24 of establishing, transfer line 5 drives eccentric shaft 51 and is eccentric motion, thereby eccentric shaft 51 supports the lateral wall that leans on holding chamber 24 and drives toothbrush head 2 reciprocating swing, the width of the left and right sides in holding chamber 24 and eccentric shaft 51's diameter looks adaptation, the length of the front and back both sides in holding chamber 24 is greater than eccentric shaft 51's rotation range, eccentric shaft 51 can only drive toothbrush head 2 horizontal hunting, can not drive toothbrush head 2 back-and-forth movement, toothbrush head 2 can not beat the surface of tooth like this, only can the surface of directional reciprocal brush tooth. Of course, the eccentric structure can be set into other structures as long as the transmission rod can drive the toothbrush head to swing back and forth when rotating.

In this embodiment, the motor 4 is fixedly arranged on the handle body 1, an output shaft of the motor 4 is arranged along the length direction of the handle body 1, the output shaft of the motor 4 is connected with the transmission rod 5 through the transmission sleeve 7, the transmission sleeve 7 and the output shaft of the motor 4 are arranged along the same central axis, the transmission sleeve 7 is synchronously rotated and arranged on the output shaft of the motor 4 in a tight-fit insertion sleeve mode, and the transmission sleeve 7 and the transmission rod 5 are connected in a circumferential linkage mode through an insertion mode.

The above embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides an electronic toothbrush of oscillating, includes the handle body and toothbrush head, the toothbrush head passes through the connecting seat to be installed on the handle body, its characterized in that: the toothbrush head passes through the elastic component and connects on the connecting seat, and the toothbrush head can still include the reciprocal wobbling actuating mechanism of drive toothbrush head to its width direction's both sides swing, and actuating mechanism includes motor and transfer line, the transfer line rotates and sets up on the connecting seat, and the length direction of handle body is followed to the transfer line and sets up, the one end of transfer line and the output shaft of motor, and the other end of transfer line passes through eccentric structure and is connected with the toothbrush head, and the output shaft of motor drives the transfer line and rotates, and the transfer line passes through eccentric structure and drives the reciprocal swing of toothbrush head to both sides.

2. The oscillating electric toothbrush of claim 1, wherein: the elastic component is a torsion spring, and the torsion spring is arranged in the connecting seat, the torsion spring comprises a first elastic part, the connecting seat is fixedly arranged at the back of the toothbrush head or integrally provided with a bottom plate, the first elastic part of the torsion spring extends out of the connecting seat and is connected with the toothbrush head, and the torsion spring can give the toothbrush head elastic force to the activity close to one side of the bottom plate.

3. The oscillating electric toothbrush of claim 2, wherein: the width of bottom plate is greater than the width of toothbrush head, and toothbrush head is provided with protruding muscle in one side that is close to the bottom plate or the bottom plate is close to one side of toothbrush head, and protruding muscle supports and establishes on bottom plate or toothbrush head.

4. The oscillating electric toothbrush according to claim 2 or 3, wherein: first elastic component is provided with two, is located the both sides of transfer line respectively, and the both sides of toothbrush head are provided with the standing groove that supplies first elastic component to place respectively, and the tip of first elastic component is bent towards one side of bottom plate and is set up, is provided with the tip that supplies first elastic component on the lateral wall of standing groove and inserts the jack or the slot of establishing, and first elastic component is pegged graft at jack or slot.

5. The oscillating electric toothbrush according to claim 2 or 3, wherein: the torsion spring further comprises a second elastic part, a groove for the second elastic part to be inserted is formed in the connecting seat, a stop block is fixedly or integrally arranged at a position close to the groove of the connecting seat, and when the second elastic part is inserted into the groove, the stop block abuts against the second elastic part.

6. The swing type electric toothbrush according to claim 1, 2 or 3, wherein: the eccentric structure comprises an eccentric shaft which is fixedly or integrally arranged on the transmission rod, the eccentric shaft is arranged to deviate from the central shaft of the transmission rod, a containing cavity for the eccentric shaft to be inserted is formed in the toothbrush head, the transmission rod drives the eccentric shaft to do eccentric motion, and the eccentric shaft abuts against the side wall of the containing cavity to drive the toothbrush head to swing in a reciprocating mode.

7. The oscillating electric toothbrush of claim 1, 2 or 3, wherein: the electric motor is fixedly arranged on the handle body, an output shaft of the electric motor is arranged along the length direction of the handle body, the output shaft of the electric motor is connected with the transmission rod through a transmission sleeve, the transmission sleeve and the output shaft of the electric motor are arranged along the same central shaft, the transmission sleeve is synchronously rotated and arranged on the output shaft of the electric motor device, and the transmission sleeve is in circumferential linkage connection with the transmission rod.