CN220046133U - Brush head torque structure of electric toothbrush - Google Patents

Abstract

The utility model discloses a brush head torque structure of an electric toothbrush, which comprises a brush head shell of the electric toothbrush, wherein a long cylindrical fixing shell is fixedly connected to the side wall of the brush head shell, a rotating column is rotationally connected to the fixing shell, one end of the rotating column extends into the brush head shell and is fixedly connected with a first bevel gear, the first bevel gear is in meshed connection with a second bevel gear, a rotating shaft is fixedly connected to the side wall of the second bevel gear, one end of the rotating shaft, deviating from the second bevel gear, is rotationally connected to the inner side wall of the brush head shell, a lug is fixedly connected to the circumferential side wall of the second bevel gear, and two through sliding ports are formed in the side wall of the brush head shell. The utility model has reasonable design and ingenious conception, can sweep the tooth surface up and down through the reciprocating structure, is beneficial to cleaning the tooth gaps and has high practicability.

Description

Brush head torque structure of electric toothbrush

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to a brush head torque structure of an electric toothbrush.

Background

The electric toothbrush is characterized in that the brush head generates high-frequency vibration through the rapid rotation or vibration of the motor core, toothpaste is instantaneously decomposed into fine foam to deeply clean the gaps between teeth, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massaging effect on gum tissues.

The patent with application publication number CN110584816A in the prior art discloses an electric toothbrush, which is formed by connecting a toothbrush main machine and a toothbrush head, wherein in the toothbrush main machine, a battery is connected with a switch, the switch is connected with a motor, a brush with soft bristles is arranged in the toothbrush head, a staggered transmission mechanism is arranged in the toothbrush head, the motor drives the brush on the toothbrush head to rotate through the staggered transmission mechanism, the motor continuously rotates in one direction, the brush continuously rotates in one direction along with the motor, the brush continuously rotates in one direction, the problem that the soft bristles lose the rotating action amplitude due to large bending is solved, and the soft bristles can also effectively relieve uncomfortable feeling.

The torque transmission structure of the electric toothbrush adopts the scheme that the brush is in a rotary type, but the rotary type structure is used for rotationally brushing the tooth surfaces, and is not beneficial to cleaning the tooth gaps.

Disclosure of Invention

The present utility model provides a brush head torque structure of an electric toothbrush to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a brush head torque structure of electric toothbrush, includes electric toothbrush's brush head shell, fixedly connected with is long cylindric fixed shell on the lateral wall of brush head shell, fixed shell internal rotation is connected with the spliced pole, the one end of spliced pole extends into the inside of brush head shell and fixedly connected with first helical gear, first helical gear meshing is connected with the second helical gear, fixedly connected with axis of rotation on the lateral wall of second helical gear, the one end that the axis of rotation deviates from the second helical gear rotates to be connected on the inside wall of brush head shell, fixedly connected with lug on the circumference lateral wall of second helical gear, set up two sliding mouthfuls that run through on the lateral wall of brush head shell, every sliding connection has the sliding plate in the sliding mouthful, two sliding plate passes through stop sliding device sliding connection in the brush head shell, two on the circumference lateral wall of one end lateral wall of sliding plate supports the second both sides respectively, two the other end of sliding plate is connected with the brush hair seat through fixing device, be equipped with the brush hair on the lateral wall of brush hair seat.

As a further improvement scheme of the technical scheme: the limiting sliding device comprises a fixed rod, the fixed rod is fixedly connected to two side walls of the inside of the brush head shell, the two sliding plates are slidably connected to the side walls of the fixed rod, reset springs are sleeved at two ends of the fixed rod, and two ends of each reset spring are fixedly connected to the sliding plates and the inner side walls of the brush head shell respectively.

As a further improvement scheme of the technical scheme: the fixing device comprises two slots and two bolts, the two bolts are respectively connected to the two side walls of the hairbrush seat in a threaded mode, one end of each bolt extends into each slot, the shape of each slot is matched with the shape of one end of each sliding plate, the side wall of each sliding plate is provided with a slot, and one end of each bolt is inserted into each slot.

As a further improvement scheme of the technical scheme: one end of the first bevel gear, which is deviated from the rotating column, is driven to rotate through a motor.

As a further improvement scheme of the technical scheme: the first bevel gear and the second bevel gear are made of stainless steel.

As a further improvement scheme of the technical scheme: the convex blocks are arranged in a semicircular plate shape.

As a further improvement scheme of the technical scheme: the bristles are made of a plurality of bristles.

Compared with the prior art, the utility model has the beneficial effects that:

the device reasonable in design, the design is ingenious, can sweep the tooth surface from top to bottom through reciprocating type structure, is favorable to the cleanness to the tooth gap, and the practicality is high.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic cross-sectional front view of a torque structure of a brush head of an electric toothbrush according to the present utility model;

FIG. 2 is a schematic view showing a structure in which a first helical gear and a second helical gear are connected to each other in the present utility model;

FIG. 3 is a schematic top view of a torque structure of a brush head of an electric toothbrush according to the present utility model;

FIG. 4 is a schematic view of the back side structure of the brush holder of the present utility model;

fig. 5 is a schematic view of a partial enlarged structure of a in fig. 3.

In the drawings, the list of components represented by the various numbers is as follows:

1. a brush holder; 2. a sliding plate; 3. a bolt; 4. a fixed rod; 5. brushing hair; 6. a bump; 7. a second helical gear; 8. a rotating shaft; 9. a sliding port; 10. a first helical gear; 11. a brush head housing; 12. rotating the column; 13. a fixed case; 14. a return spring; 15. a slot.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, in an embodiment of the present utility model, a brush head torque structure of an electric toothbrush includes a brush head housing 11 of the electric toothbrush, a fixed housing 13 in a long tubular shape is fixedly connected to a side wall of the brush head housing 11, a rotating column 12 is rotatably connected to the fixed housing 13, one end of the rotating column 12 extends into the brush head housing 11 and is fixedly connected to a first bevel gear 10, one end of the first bevel gear 10 facing away from the rotating column 12 is driven to rotate by a motor, the first bevel gear 10 is engaged with and connected to a second bevel gear 7, the first bevel gear 10 and the second bevel gear 7 are made of stainless steel materials, one end of the rotating shaft 8 deviating from the second bevel gear 7 is rotatably connected to an inner side wall of the brush head housing 11, a bump 6 is fixedly connected to a circumferential side wall of the second bevel gear 7, the bump 6 is in a semicircular plate shape, two sliding ports 9 penetrating through the side wall of the brush head housing 11 are formed, each sliding plate 2 is slidably connected to the sliding plate 2, the two sliding plates 2 are slidably connected to the two side walls of the brush head housing 11 through a limiting sliding device, the two side walls are respectively provided with bristle bases 1, and the bristle bases are respectively connected to the bristle bases 1, and the bristle bases are respectively provided on the two side walls 1.

Specifically, the limiting sliding device comprises a fixed rod 4, the fixed rod 4 is fixedly connected to two inner side walls of a brush head shell 11, two sliding plates 2 are slidably connected to the side walls of the fixed rod 4, two ends of the fixed rod 4 are sleeved with reset springs 14, two ends of each reset spring 14 are fixedly connected to the sliding plates 2 and the inner side walls of the brush head shell 11 respectively, when the second bevel gear 7 rotates, protruding blocks 6 on the side walls of the second bevel gear 7 can sequentially squeeze the sliding plates 2 on two sides, and the sliding plates 2 on two sides can move back and forth on the fixed rod 4.

Specifically, fixing device includes two slot 15 and two bolts 3, two bolts 3 respectively threaded connection is on the both sides wall of brush seat 1 and the one end of every bolt 3 extends into slot 15 in, the shape of every slot 15 and the one end shape looks adaptation of every sliding plate 2 have been seted up the jack on the lateral wall of every sliding plate 2, the one end of every bolt 3 alternates in every jack, when needs change and take down brush seat 1, at first rotate two bolts 3 for the jack on the sliding plate 2 is left to the one end of bolt 3, later can take down brush seat 1 from two sliding plates 2.

The working principle of the utility model is as follows:

when the motor drives the rotation column 12 to rotate, the rotation column 12 can drive the first bevel gear 10 to rotate, the first bevel gear 10 can drive the second bevel gear 7 to rotate, and when the second bevel gear 7 rotates, the convex blocks 6 on the side wall of the second bevel gear 7 can sequentially squeeze the sliding plates 2 on two sides, so that the sliding plates 2 on two sides can move back and forth on the fixed rod 4, and the two sliding plates 2 can move back and forth to drive the brush holder 1 to move back and forth, so that the hairbrush 5 can move in a reciprocating mode.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims (7)

1. The utility model provides a brush head torque structure of electric toothbrush, includes brush head shell (11) of electric toothbrush, its characterized in that, fixedly connected with is long cylindric fixed shell (13) on the lateral wall of brush head shell (11), fixed shell (13) internal rotation is connected with rotation post (12), the one end of rotation post (12) extends into the inside of brush head shell (11) and fixedly connected with first helical gear (10), first helical gear (10) meshing is connected with second helical gear (7), fixedly connected with axis of rotation (8) on the lateral wall of second helical gear (7), the one end pivoted connection of axis of rotation (8) deviating from second helical gear (7) is on the inside wall of brush head shell (11), fixedly connected with lug (6) on the circumference lateral wall of second helical gear (7), set up two sliding ports (9) that are running through the setting on the lateral wall of brush head shell (11), every sliding connection has sliding plate (2), two sliding plate (2) pass through slider and connect on the lateral wall of two lateral wall (2) of two slider plates (1) respectively through the slider seat on the lateral wall of two lateral walls (1), the side wall of the brush seat (1) is provided with brush hairs (5).

2. The brush head torque structure of an electric toothbrush according to claim 1, wherein the limit sliding device comprises a fixed rod (4), the fixed rod (4) is fixedly connected to two inner side walls of the brush head shell (11), the two sliding plates (2) are slidably connected to the side walls of the fixed rod (4), two ends of the fixed rod (4) are respectively sleeved with a reset spring (14), and two ends of each reset spring (14) are respectively fixedly connected to the sliding plates (2) and the inner side walls of the brush head shell (11).

3. The brush head torque structure of an electric toothbrush according to claim 1, wherein the fixing device comprises two slots (15) and two bolts (3), the two bolts (3) are respectively connected to two side walls of the brush seat (1) in a threaded manner, one end of each bolt (3) extends into the slot (15), the shape of each slot (15) is matched with the shape of one end of each sliding plate (2), the side wall of each sliding plate (2) is provided with the slot (15), and one end of each bolt (3) is inserted into each slot (15).

4. A brush head torque structure of an electric toothbrush according to claim 1, characterized in that the end of the rotating post (12) facing away from the first bevel gear (10) is driven in rotation by a motor.

5. A brush head torque structure of an electric toothbrush according to claim 1, characterized in that the first bevel gear (10) and the second bevel gear (7) are both made of stainless steel.

6. A brush head torque structure of an electric toothbrush according to claim 1, characterized in that the projections (6) are arranged in a semicircular plate shape.

7. A brush head torque structure of an electric toothbrush according to claim 1, characterized in that the bristles (5) are made of a plurality of bristles.