CN213910647U - Toothbrush handle and electric toothbrush - Google Patents

Abstract

The utility model discloses a toothbrush handle and electric toothbrush relates to electric toothbrush technical field. The toothbrush handle comprises a shell, a first support, a motor assembly, a second support and a control assembly. The motor component is arranged on the first support and is used for being connected with the brush head so as to drive the brush head to vibrate. The control assembly is arranged on the second support and is electrically connected with the motor assembly so as to drive the motor assembly to work. The shell is internally provided with an installation space, the two ends of the first support are respectively a first connecting end and a second connecting end, and the two ends of the second support are respectively a third connecting end and a fourth connecting end. The second connecting end is in butt joint with the third connecting end, and the first connecting end and the fourth connecting end are respectively connected with the inner wall of the installation space, so that the second connecting end and the third connecting end are compressed. The toothbrush handle and the electric toothbrush have the characteristic of being convenient and fast to assemble.

Description

Toothbrush handle and electric toothbrush

Technical Field

The utility model relates to an electric toothbrush technical field particularly, relates to a toothbrush handle and electric toothbrush.

Background

The existing electric toothbrush generally comprises a motor and a battery, the motor and the battery are generally installed in a shell body step by step through bolts in an assembling mode, the assembling is complex, and the production efficiency is influenced.

In view of the above, it is important to develop a toothbrush handle and an electric toothbrush that can solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a toothbrush handle, it has the more convenient characteristics of assembly.

Another object of the present invention is to provide an electric toothbrush, which is also convenient and fast to assemble.

The utility model provides a technical scheme:

in a first aspect, an embodiment of the present invention provides a toothbrush handle, including a housing, a first bracket, a motor assembly, a second bracket, and a control assembly; the motor assembly is arranged on the first support and is used for being connected with the brush head so as to drive the brush head to vibrate; the control assembly is arranged on the second bracket and is electrically connected with the motor assembly so as to drive the motor assembly to work; an installation space is arranged in the shell, a first connecting end and a second connecting end are respectively arranged at two ends of the first support, and a third connecting end and a fourth connecting end are respectively arranged at two ends of the second support; the second connecting end is in butt joint with the third connecting end, and the first connecting end and the fourth connecting end are respectively connected with the inner wall of the installation space so as to compress the second connecting end and the third connecting end.

With reference to the first aspect, in a first implementation manner of the first aspect, the third connection end is provided with a butt joint piece, the second connection end is provided with a butt joint hole, and the butt joint piece is inserted into the butt joint hole, so that the third connection end is butt jointed with the second connection end.

With reference to the first aspect and the foregoing implementation manner, in a second implementation manner of the first aspect, a third docking portion is disposed on the docking piece, a second docking portion is disposed on an inner wall of the docking hole, and the third docking portion is matched with the second docking portion to circumferentially fix the docking piece in the docking hole.

With reference to the first aspect and the foregoing implementation manner, in a third implementation manner of the first aspect, the third abutting portion is a protrusion protruding from a side surface of the abutting piece, the second abutting portion is a groove opened on an inner wall of the abutting hole, and when the abutting piece is inserted into the abutting hole, the third abutting portion is located in the second abutting portion.

With reference to the first aspect and the foregoing implementation manner, in a fourth implementation manner of the first aspect, the third docking portion is a strip-shaped protrusion, the second docking portion is a strip-shaped groove, and the third docking portion can slide in the second docking portion when the docking piece is inserted into the docking hole.

With reference to the first aspect and the foregoing implementation manner, in a fifth implementation manner of the first aspect, an end surface of the third butt joint portion, which is far away from the third connection end, is a first guide end surface, the first guide end surface is provided with a first guide inclined surface, and the first guide inclined surface extends along an edge of the first guide end surface and is deviated to a center of the first guide end surface.

With reference to the first aspect and the foregoing implementation manner, in a sixth implementation manner of the first aspect, a second guiding inclined plane is disposed on the butt joint piece, an end face, far away from the third connection end, of the butt joint piece is a second guiding end face, and the second guiding inclined plane extends along an edge of the second guiding end face and is offset to a center of the second guiding end face.

With reference to the first aspect and the foregoing implementation manner, in a seventh implementation manner of the first aspect, the first bracket and the second bracket are both strip-shaped, a first positioning portion is disposed on a side surface of the first bracket, a second positioning portion is disposed on a side surface of the second bracket, and a third positioning portion is disposed on an inner wall of the installation space; the first positioning portion and the second positioning portion are matched with the third positioning portion to circumferentially fix the first support and the second support in the installation space.

With reference to the first aspect and the foregoing implementation manner, in an eighth implementation manner of the first aspect, the first positioning portion is a strip-shaped protrusion and extends along a length direction of the first bracket, the second positioning portion is a strip-shaped protrusion and extends along a length direction of the second bracket, and the third positioning portion is a strip-shaped groove extending along an inner wall of the installation space; the first positioning portion is slidable within the third positioning portion when the first bracket is inserted into the installation space, and the second positioning portion is slidable within the third positioning portion when the second bracket is inserted into the installation space.

In a second aspect, the present invention further provides an electric toothbrush, which includes a brush head and the toothbrush handle. The toothbrush handle comprises a shell, a first bracket, a motor assembly, a second bracket and a control assembly; the motor assembly is arranged on the first bracket and is connected with the brush head so as to drive the brush head to vibrate; the control assembly is arranged on the second bracket and is electrically connected with the motor assembly so as to drive the motor assembly to work; an installation space is arranged in the shell, a first connecting end and a second connecting end are respectively arranged at two ends of the first support, and a third connecting end and a fourth connecting end are respectively arranged at two ends of the second support; the second connecting end is in butt joint with the third connecting end, and the first connecting end and the fourth connecting end are respectively connected with the inner wall of the installation space, so that the second connecting end and the third connecting end are compressed.

Compared with the prior art, the embodiment of the utility model provides a toothbrush handle includes for prior art's beneficial effect:

the toothbrush handle comprises a shell, a first support, a motor assembly, a second support and a control assembly, wherein the motor assembly is installed on the first support and used for being connected with the toothbrush head so as to drive the toothbrush head to vibrate. The control assembly is arranged on the second support and is electrically connected with the motor assembly so as to drive the motor assembly to work. And the shell is internally provided with an installation space, the two ends of the first support are respectively a first connecting end and a second connecting end, the two ends of the second support are respectively a third connecting end and a fourth connecting end, the first connecting end and the fourth connecting end are respectively connected with the inner wall of the installation space so as to enable the second connecting end to be in butt joint with the third connecting end, the second connecting end is in butt joint with the third connecting end through the second connecting end, the first connecting end and the fourth connecting end are respectively connected with the inner wall of the installation space to compress the second connecting end and the third connecting end so as to keep the second connecting end to be in butt joint with the third connecting end, so that the toothbrush handle is assembled, and the assembly is convenient.

The embodiment of the present invention provides an electric toothbrush which has the same advantages as the toothbrush handle described above with respect to the prior art, and is not described herein again.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural view of a toothbrush handle applied to an electric toothbrush according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a toothbrush handle according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a-a in fig. 2.

Fig. 4 is an exploded view of the toothbrush handle according to the embodiment of the present invention.

Fig. 5 is a schematic perspective view of a second bracket of a toothbrush handle provided by an embodiment of the present invention when a control assembly is assembled.

Fig. 6 is an exploded view of the first bracket and the motor assembly of the toothbrush handle according to the embodiment of the present invention.

Icon: 100-an electric toothbrush; 20-a brush head; 10-toothbrush handle; 11-a first support; 111-a first connection end; 112-a second connection end; 113-a first positioning portion; 115-docking holes; 1152-a second docking portion; 1157-a seventh interface; 12-a second scaffold; 123-a third connection end; 124-a fourth connection end; 121-a clip; 122-a second positioning section; 125-a docking piece; 126-a first guiding end face; 127-a second guiding end face; 1253-a third interface; 1251-first guide ramp; 1258-eighth dock; 1252-a second guide ramp; 1259-mounting groove; 13-a motor assembly; 131-a stator; 132-a rotor; 133-a rotating shaft; 135-a bearing; 136-a sealing ring; 15-a housing; 151-installation space; 152-a mounting opening; 153-a third location portion; 16-a control component; 161-a battery; 162-circuit board.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally used to place the products of the present invention, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes in detail embodiments of the present invention with reference to the accompanying drawings.

Example (b):

referring to fig. 1, fig. 1 is a schematic structural view illustrating a toothbrush handle 10 applied to an electric toothbrush 100 according to an embodiment of the present invention.

The embodiment of the utility model provides a toothbrush handle 10, this toothbrush handle 10 have the more convenient characteristics of assembly. The toothbrush handle 10 and the toothbrush head 20 can jointly form the electric toothbrush 100, and the toothbrush handle 10 can drive the toothbrush head 20 to vibrate, so that the tooth brushing action is completed. Since the electric toothbrush 100 uses the toothbrush handle 10 according to the embodiment of the present invention, the electric toothbrush 100 also has a feature of convenient assembly.

The structure, operation and advantages of the toothbrush handle 10 according to the embodiment of the present invention will be described in detail below.

Referring to fig. 2, 3 and 4, fig. 2 is a schematic structural view of a toothbrush handle 10 according to an embodiment of the present invention. Fig. 3 is an enlarged schematic view of the structure at a-a in fig. 2. Fig. 4 is an exploded view of the toothbrush handle 10 according to the embodiment of the present invention. And in fig. 4, the housing 15 is partially cut away for ease of illustration.

The toothbrush handle 10 comprises a shell 15, a first bracket 11, a motor component 13, a second bracket 12 and a control component 16, wherein the motor component 13 is installed on the first bracket 11 and is used for being connected with a toothbrush head 20 so as to drive the toothbrush head 20 to vibrate. The control assembly 16 is mounted on the second bracket 12 and electrically connected to the motor assembly 13 for driving the motor assembly 13 to operate. And the housing 15 is provided therein with an installation space 151, two ends of the first bracket 11 are respectively a first connection end 111 and a second connection end 112, two ends of the second bracket 12 are respectively a third connection end 123 and a fourth connection end 124, the first connection end 111 and the fourth connection end 124 are respectively connected with an inner wall of the installation space 151, so that the second connection end 112 is in butt joint with the third connection end 123, in other words, the second connection end 112 is in butt joint with the third connection end 123, and the second connection end 112 and the third connection end 123 are compressed by respectively connecting the first connection end 111 and the fourth connection end 124 with the inner wall of the installation space 151, so that the second connection end 112 is in butt joint with the third connection end 123, thereby completing the assembly of the toothbrush handle 10, and the assembly is convenient.

It should be noted that the first connecting end 111 abuts against the inner wall of the installation space 151, and the fourth connecting end 124 is provided with a clamping member 121 to abut against the inner wall of the installation space 151, so as to press the second connecting end 112 and the third connecting end 123 together, so as to maintain the butt joint state of the second connecting end 112 and the third connecting end 123; in addition, the housing 15 may be provided with an installation opening 152 communicated with the installation space 151, when the toothbrush handle 10 is assembled, the first bracket 11 first provided with the motor assembly 13 may be inserted into the installation space 151 from the installation opening 152, so that the first connection end 111 abuts against the inner wall of the installation space 151, and then the second bracket 12 provided with the control assembly 16 is inserted into the housing, so that the third connection end 123 abuts against the second connection end 112, and the clamping member 121 is clamped with the inner wall of the installation space 151, thereby completing the assembly of the toothbrush handle 10.

Further, both the first bracket 11 and the second bracket 12 may be disposed in a strip shape, a first positioning portion 113 is disposed on a side surface of the first bracket 11, a second positioning portion 122 is disposed on a side surface of the second bracket 12, a third positioning portion 153 is disposed on an inner wall of the mounting space 151, and both the first positioning portion 113 and the second positioning portion 122 are engaged with the third positioning portion 153 to circumferentially fix the first bracket 11 and the second bracket 12 in the mounting space 151, in other words, the first bracket 11 and the second bracket 12 are restricted from rotating in the mounting space 151 along the circumferential direction by the engagement of the first positioning portion 113 and the second positioning portion 122, so as to improve the stability of the first bracket 11 and the second bracket 12 after being assembled.

It should be noted that, in this embodiment, the first positioning portion 113 is a strip-shaped protrusion and extends along the length direction of the first bracket 11, the second positioning portion 122 is also a strip-shaped protrusion and extends along the length direction of the second bracket 12, the third positioning portion 153 is a strip-shaped groove extending along the inner wall of the mounting space 151, when the first bracket 11 is inserted into the mounting space 151, the first positioning portion 113 can slide in the third positioning portion 153, and when the second bracket 12 is inserted into the mounting space 151, the second positioning portion 122 can slide in the third positioning portion 153, so that the third positioning portion 153 limits the rotation of the first bracket 11 and the second bracket 12 in the process of being installed into the housing 15, thereby further improving the assembly accuracy and the convenience. In addition, in the present embodiment, the third positioning portion 153 is a groove formed between two protruding strips, and in other embodiments, the third positioning portion 153 may also be a groove directly opened on the inner wall of the mounting space 151.

Referring to fig. 3, 4 and 5, fig. 5 is a schematic perspective view of the toothbrush handle 10 according to the embodiment of the present invention when the control assembly 16 is assembled to the second bracket 12.

The third connection end 123 may be provided with a docking member 125, the second connection end 112 may be provided with a docking hole 115, and the docking member 125 is inserted into the docking hole 115, so as to dock the third connection end 123 with the second connection end 112.

It is understood that in other embodiments, the docking member 125 may be disposed at the second connection end 112, the docking hole 115 may be disposed at the third connection end 123, and the third connection end 123 is docked with the second connection end 112 by inserting the docking member 125 at the second connection end 112 into the docking hole 115 at the third connection end 123. Of course, the second connection end 112 and the third connection end 123 can be connected in other ways, such as a protrusion and a groove.

In addition, in the present embodiment, the control assembly 16 may include a battery 161 and a circuit board 162 electrically connected to each other, and the circuit board 162 is electrically connected to the motor assembly 13 to drive the motor assembly 13 to operate.

Further, a third docking portion 1253 may be disposed on the docking member 125, and a second docking portion 1152 may be disposed on an inner wall of the docking hole 115, wherein the third docking portion 1253 and the second docking portion 1152 cooperate to circumferentially fix the docking member 125 in the docking hole 115. Thereby limiting the rotation of the docking member 125 in the docking hole 115 around its circumferential direction, so as to improve the docking accuracy of the first bracket 11 and the second bracket 12.

It should be noted that the third abutting portion 1253 is a protrusion protruding from the side surface of the abutting element 125, the second abutting portion 1152 is a groove opened on the inner wall of the abutting hole 115, and when the abutting element 125 is inserted into the abutting hole 115, the third abutting portion 1253 is located in the second abutting portion 1152, so as to limit the rotation of the abutting element 125 in the abutting hole 115.

Moreover, the third abutting portion 1253 may be a strip-shaped protrusion, the second abutting portion 1152 may be a strip-shaped groove, and the third abutting portion 1253 may slide in the second abutting portion 1152 during the process of inserting the abutting piece 125 into the abutting hole 115, in other words, the third abutting portion 1253 may slide along the second abutting portion 1152 during the process of inserting the abutting piece 125 into the abutting hole 115, so as to ensure the abutting angle between the abutting piece 125 and the abutting hole 115, and further improve the assembling precision and convenience of assembling the toothbrush handle 10.

In addition, an eighth docking portion 1258 may be disposed on the docking member 125, and a seventh docking portion 1157 may be disposed on an inner wall of the docking hole 115, wherein the eighth docking portion 1258 and the seventh docking portion 1157 are both flat surfaces, and when the docking member 125 is inserted into the docking hole 115, the third docking portion 1253 corresponds to the second docking portion 1152. To further improve the accuracy of assembly of the toothbrush handle 10. In this embodiment, the abutting element 125 is a protrusion protruding from the end surface of the third connecting end 123, and has a waist-shaped cross section. And the cross-section of the docking hole 115 is also kidney-shaped to facilitate accurate docking of the docking member 125 with the docking hole 115.

Further, an end surface of the third docking portion 1253 away from the third connection end 123 is a first guide end surface 126, and a first guide inclined surface 1251 is provided on the first guide end surface 126, and the first guide inclined surface 1251 extends along an edge of the first guide end surface 126 and is disposed to be offset to a center of the first guide end surface 126, so that when the docking member 125 is inserted into the docking hole 115 and the first guide inclined surface 1251 contacts an inner wall of the second docking portion 1152, the first guide inclined surface 1251 guides the second docking portion 1152 to be offset to the center of the first guide end surface 126, so as to insert the third docking portion 1253 into the second docking portion 1152.

Furthermore, the abutting piece 125 may be provided with a second guiding inclined surface 1252, the end surface of the abutting piece 125 far away from the third connecting end 123 is the second guiding end surface 127, and the second guiding inclined surface 1252 extends along the edge of the second guiding end surface 127 and is disposed offset to the center of the second guiding end surface 127. Thus, when the second guiding inclined surface 1252 contacts with the inner wall of the docking hole 115 when the docking member 125 is inserted into the docking hole 115, the second guiding inclined surface 1252 guides the docking member 125 to be shifted toward the center of the second guiding end surface 127, i.e., toward the center of the docking hole 115, so as to insert the docking member 125 into the docking hole 115.

Referring to fig. 3, 4, 5 and 6, fig. 6 is an exploded view of the first bracket 11 and the motor assembly 13 of the toothbrush handle 10 according to the embodiment of the present invention.

The motor assembly 13 includes a stator 131, a rotor 132 and a sealing ring 136, the stator 131 and the rotor 132 are disposed opposite to each other, a bearing 135 is sleeved on the rotating shaft 133 of the rotor 132, when the motor assembly 13 is assembled, the stator 131 can be assembled on the first bracket 11 first, then the rotor 132 is inserted into the first bracket 11 from the butt joint hole 115, so that the bearing 135 is clamped on the first bracket 11, and then the sealing ring 136 is sleeved on the rotating shaft 133 and one end of the first bracket 11 away from the butt joint hole 115; when the butt joint member 125 is inserted into the butt joint hole 115 to butt joint the first bracket 11 and the second bracket 12, the other bearing 135 of the rotating shaft 133, which is far from the sealing ring 136, is clamped in the mounting groove 1259 on the end surface of the butt joint member 125, which is far from the third connection end 123, so as to complete the assembly of the motor assembly 13, and the motor assembly 13 is mounted by using the first bracket 11 and the second bracket 12, which has fewer parts and can improve the torque of the motor assembly 13 with the same volume.

The embodiment of the present invention provides a working principle of a toothbrush handle 10:

toothbrush handle 10 includes casing 15, first support 11, motor element 13, second support 12 and control assembly 16, and motor element 13 installs in first support 11, and is used for being connected with brush head 20 to drive brush head 20 vibration. The control assembly 16 is mounted on the second bracket 12 and electrically connected to the motor assembly 13 for driving the motor assembly 13 to operate. And the housing 15 is provided therein with an installation space 151, two ends of the first bracket 11 are respectively a first connection end 111 and a second connection end 112, two ends of the second bracket 12 are respectively a third connection end 123 and a fourth connection end 124, the first connection end 111 and the fourth connection end 124 are respectively connected with an inner wall of the installation space 151, so that the second connection end 112 is in butt joint with the third connection end 123, and is in butt joint with the third connection end 123 through the second connection end 112, and the first connection end 111 and the fourth connection end 124 are respectively connected with the inner wall of the installation space 151 to compress the second connection end 112 and the third connection end 123, thereby keeping the second connection end 112 in butt joint with the third connection end 123, thereby completing the assembly of the toothbrush handle 10, and the assembly is convenient.

In summary, the following steps:

the embodiment of the utility model provides a toothbrush handle 10, it has the more convenient characteristics of assembly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that the features in the above embodiments may be combined with each other without conflict, and various modifications and variations of the present invention are possible. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A toothbrush handle is characterized by comprising a shell (15), a first bracket (11), a motor component (13), a second bracket (12) and a control component (16);

the motor assembly (13) is arranged on the first bracket (11) and is used for being connected with the brush head (20) so as to drive the brush head (20) to vibrate; the control assembly (16) is mounted on the second bracket (12) and is electrically connected with the motor assembly (13) for driving the motor assembly (13) to work;

an installation space (151) is arranged in the shell (15), two ends of the first support (11) are respectively a first connecting end (111) and a second connecting end (112), and two ends of the second support (12) are respectively a third connecting end (123) and a fourth connecting end (124); the second connection end (112) is butted with the third connection end (123), and the first connection end (111) and the fourth connection end (124) are respectively connected with the inner wall of the installation space (151), so that the second connection end (112) and the third connection end (123) are compressed.

2. The toothbrush handle according to claim 1, wherein the third connecting end (123) is provided with an abutment (125), the second connecting end (112) is provided with an abutment hole (115), and the abutment (125) is inserted into the abutment hole (115) so as to abut the third connecting end (123) with the second connecting end (112).

3. The toothbrush handle according to claim 2, wherein the docking member (125) is provided with a third docking portion (1253), the inner wall of the docking hole (115) is provided with a second docking portion (1152), and the third docking portion (1253) is engaged with the second docking portion (1152) to circumferentially fix the docking member (125) in the docking hole (115).

4. A toothbrush handle as claimed in claim 3, wherein the third abutment portion (1253) is a protrusion protruding from the side of the abutment (125), the second abutment portion (1152) is a recess opening into the inner wall of the abutment hole (115), and the third abutment portion (1253) is located within the second abutment portion (1152) when the abutment (125) is inserted into the abutment hole (115).

5. The toothbrush handle according to claim 4, wherein the third docking portion (1253) is a bar-shaped protrusion, the second docking portion (1152) is a bar-shaped groove, and the third docking portion (1253) is slidable within the second docking portion (1152) during insertion of the docking member (125) into the docking hole (115).

6. A toothbrush handle as claimed in claim 5, wherein an end face of the third abutting portion (1253) remote from the third connecting end (123) is a first guiding end face (126), a first guiding inclined face (1251) is provided on the first guiding end face (126), the first guiding inclined face (1251) extends along an edge of the first guiding end face (126) and is disposed offset to a center of the first guiding end face (126).

7. A toothbrush handle as claimed in claim 2, wherein the abutment member (125) is provided with a second guiding chamfer (1252), the end of the abutment member (125) remote from the third connecting end (123) being a second guiding end surface (127), the second guiding chamfer (1252) extending along an edge of the second guiding end surface (127) and being disposed offset towards the centre of the second guiding end surface (127).

8. The toothbrush handle according to any one of claims 1 to 7, wherein the first bracket (11) and the second bracket (12) are each in the shape of a bar, a side surface of the first bracket (11) is provided with a first positioning portion (113), a side surface of the second bracket (12) is provided with a second positioning portion (122), and an inner wall of the installation space (151) is provided with a third positioning portion (153);

the first positioning portion (113) and the second positioning portion (122) are both engaged with the third positioning portion (153) to circumferentially fix the first bracket (11) and the second bracket (12) in the installation space (151).

9. The toothbrush handle according to claim 8, wherein the first positioning portion (113) is a bar-shaped protrusion and extends in a length direction of the first bracket (11), the second positioning portion (122) is a bar-shaped protrusion and extends in a length direction of the second bracket (12), and the third positioning portion (153) is a bar-shaped groove extending along an inner wall of the mounting space (151);

the first positioning portion (113) is slidable within the third positioning portion (153) when the first holder (11) is inserted into the mounting space (151), and the second positioning portion (122) is slidable within the third positioning portion (153) when the second holder (12) is inserted into the mounting space (151).

10. An electric toothbrush, characterized in that it comprises a brush head (20) and a toothbrush handle according to any one of claims 1-9, said brush head (20) being connected to said motor assembly (13).

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