CN211510860U

CN211510860U - Electric cleaning brush

Info

Publication number: CN211510860U
Application number: CN201922420735.0U
Authority: CN
Inventors: 叶隽
Original assignee: Ningbo Borui Dekai International Trade Co ltd
Current assignee: Ningbo Borui Dekai International Trade Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-18
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an electric cleaning brush, including brush head, handle, head seat and extension handle etc., mainly pack into motor and reduction gear box in proper order and form the transmission by the front portion of head seat and connect, push away jointly and seal including by the head lid of fixed connection in head seat front end again, because this kind of head seat adopts an organic whole structure, and push away through the head lid of fixed connection in head seat front end and seal, can guarantee the fixed mounting of motor and reduction gear box in head seat like this, omit the occupation space of screw post again, make the diameter of head seat can accomplish littleer; meanwhile, the plug hole is not designed in the handle, but the plug hole is designed in the joint at the end part of the extension handle to match with the rear end of the handle, so that the limited inner space in the handle is not occupied. Therefore, the compactness of the internal structure layout of the head seat and the handle is effectively ensured by reasonably designing the head seat and the handle, so that the product is smaller in size and more exquisite and attractive in appearance.

Description

Electric cleaning brush

Technical Field

The utility model relates to an electric driving's cleaning brush structure, an electric cleaning brush promptly.

Background

At present, a cleaning brush electrically driven by a battery as a power supply mainly comprises a handle, a head seat, a brush head and the like, wherein the battery, a circuit board and a switch are arranged in the handle, a motor and a reduction gear box are arranged in the head seat, the rear end of the head seat is rotatably connected to the front end of the handle, the brush head is arranged at the front part of the head seat and is driven to rotate by the motor and the reduction gear box, and the battery, the circuit board, the switch and the motor are in conductive connection. The motor and the reduction gear box of the electric cleaning brush are mainly fixed in the head seat through the connection mode of the screws and the screw columns, namely, the head seat is composed of two half shells which are mutually buckled, after the motor and the reduction gear box are buckled in the two half shells, the mounting positions of the motor and the reduction gear box in the head seat are positioned through a plurality of screw columns which are used for connecting and fixing the two half shells, and then the screw columns are connected through the screws, so that the motor and the reduction gear box are fixed in the head seat just along with the connection and fixation between the two half shells; meanwhile, in order to enable the cleaning brush to be used at a high position, an extension handle is required to be arranged at the rear end of the handle, but the extension handle is directly inserted into a jack at the rear end of the handle, so that the plug-in structure is easy to cause connection and drop, and the jack directly arranged in the handle occupies more internal space; therefore, the structure of the head seat and the handle has the defects of not compact internal layout, large volume and the like, and the overall appearance of the cleaning brush is difficult to be small and exquisite, so that the attractiveness of the overall appearance is affected.

Disclosure of Invention

The technical problem to be solved in the utility model is to overcome the defects of the prior art and provide an electric cleaning brush with compact structure, small volume and exquisite and beautiful appearance.

The technical problem of the utility model is realized through following technical scheme:

an electric cleaning brush comprises a handle, a head seat and a brush head; the brush head is arranged at the front part of the head seat and driven to rotate by the motor and the reduction gear box; the battery, the circuit board, the switch and the motor are in conductive connection, the motor and the reduction gear box are sequentially arranged from the front part of the head seat and form transmission connection, and then the motor and the reduction gear box are jointly pushed and sealed by a head cover fixedly connected to the front end of the head seat.

An elliptical surface in a v-shaped contact is arranged between the rear end face of the head seat and the front end face of the handle, a locking assembly adjacent to the elliptical surface is arranged on the handle, and the locking assembly controls the locking or unlocking of the rear end of the head seat relative to the rotation of the front end of the handle.

The head seat rotates relative to the handle, and the axis of the head seat and the axis of the handle are on the same straight line, or the axis of the head seat and the axis of the handle are crossed.

The lock catch assembly comprises a push key which is arranged in the handle and is elastically pushed forwards in the axial direction and a key arranged on the outer surface of the handle, the front end of the push key is provided with a locking block, and a plurality of lock holes are correspondingly arranged on the rear end surface of the head seat; the push key moves forwards in the axial direction to drive the locking block to be assembled in any locking hole, the rotation of the rear end of the head seat relative to the front end of the handle is locked, the push key is pressed inwards to push the push key to move backwards in the axial direction and drive the locking block to be separated from the locking hole, and the rotation of the rear end of the head seat relative to the front end of the handle is unlocked.

The push button is internally provided with a push rod extending inwards, the end part of the push rod is provided with an inclined plane contacting with the push button, and the push button is pressed inwards and pushed by the inclined plane at the end part of the push rod to move backwards in the axial direction.

The front end surface of the handle is provided with a middle connecting column which extends forwards along the axial lead, two sides of the middle connecting column are respectively provided with an arc cover, and the two arc covers are mutually buckled and fixed on the middle connecting column; and a key hole which is split into two halves in the middle is respectively arranged between the two arc covers, and the key is arranged in the key hole.

The rear end face of the head seat is provided with a middle connecting shaft which extends backwards along the axial lead, a connecting hole which penetrates through the middle connecting shaft along the axial lead is arranged in the middle connecting shaft, and the outer circumferential surface of the middle connecting shaft is also provided with a connecting ring groove; the front end of the middle connecting column is provided with a connector extending forwards, the connector is rotatably and hermetically assembled in the connecting hole, and the axial leads of the connector and the connecting hole are overlapped; the front ends of the two arc covers are simultaneously buckled and connected in the connecting ring groove.

The rear end of the handle is provided with an extension handle, and the extension handle comprises an aluminum pipe, and a joint and a grip which are respectively arranged at the two ends of the aluminum pipe; the connector is internally provided with a plug hole which is detachably matched and connected with the rear end of the handle, and an unlocking button which controls the rear end of the handle to be locked or separated from the plug hole is arranged outside the connector.

The outer surface of the joint is provided with a mounting groove, the unlocking button is mounted in the mounting groove in a see-saw structure, and any end of the unlocking button is provided with a locking tooth which penetrates through the mounting groove downwards; one end of the unlocking button is upwarped and drives the locking tooth at the other end to be downwards pressed and assembled in the locking groove, the rear end of the handle is locked by the connection of the insertion hole, one end of the unlocking button is downwards pressed and drives the locking tooth at the other end to be upwarped and separated from the locking groove, and the rear end of the handle is separated from the insertion hole by the connection.

The handle is formed by mutually fastening and fixing two shells at the end part of an aluminum pipe, and a hanging ring is arranged at the rear end of the handle.

Compared with the prior art, the utility model discloses mainly pack into motor and reduction gear box in proper order and form the transmission and connect by the front portion of head seat, push away jointly with motor and reduction gear box by the head lid of fixed connection at head seat front end again and seal including, because this kind of head seat adopts integrative structure, and push away through the head lid of fixed connection at head seat front end and seal, also do not have the screw post structure among the traditional cleaning brush, can guarantee the fixed mounting of motor and reduction gear box in the head seat like this, the occupation space of screw post has been saved again, make the diameter of head seat possible littleer; meanwhile, the rear end of the handle is provided with an extension handle, the extension handle comprises an aluminum pipe, and a connector and a handle which are respectively arranged at two ends of the aluminum pipe, a plug hole which is detachably matched and connected with the rear end of the handle is arranged in the connector, an unlocking button which controls the rear end of the handle to be locked or separated from the plug hole is arranged outside the connector, and the jack is not designed in the handle according to the traditional cleaning brush, so that the limited inner space of the handle is not occupied. Therefore, the compactness of the internal structure layout of the head seat and the handle is effectively ensured by reasonably designing the head seat and the handle, so that the product is smaller in size and more exquisite and attractive in appearance.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is a schematic sectional view of the extension bar of fig. 1.

Fig. 3 is a schematic view of the external structure of fig. 2 (a bent state).

Fig. 4 is a schematic view of the external structure of fig. 2 (in a straightened state).

Fig. 5 is an exploded perspective view of fig. 2.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the drawings.

As shown in fig. 1 to 5, the portable electronic device includes a handle 1, a charging base 10, a battery 11, a battery 12, a circuit board 13, a switch 14, a battery holder 15, an elastic button 16, a locking groove 17, a middle connecting post 18, a connector 19, a charging base plug 2, a head base 2, a motor 21, a speed reduction gear box 22, a head cover 23, a middle connecting shaft 24, a connecting ring groove 25, a brush head 3, an extension handle 4, a connector 41, a connector 42, an aluminum pipe 421, an aluminum pipe insertion hole 422, a mounting groove 43, a handle 431, a housing 432, a hanging ring 44, an unlocking button 441, a locking tooth 5, a locking component 51, a push key 511, a locking block 52, a key 521, a push rod 522, an inclined plane 53, a spring, a 6 arc cover 61 and a key hole.

An electric cleaning brush, as shown in fig. 1 and 2, relates to a cleaning brush using a battery 11 as energy source to electrically drive a brush head 3 to rotate, and the structure of the electric cleaning brush further comprises a handle 1, a head seat 2, an extension handle 4 and the like.

The handle 1 is cylindrical, a battery 11, a circuit board 12 and a switch 13 are arranged in the handle, and the handle is specifically structured as follows: the battery 11 is a rechargeable battery, and is firstly assembled in a cylindrical battery holder 14, then the cylindrical battery holder 14 is inserted into a round hole at the rear end of the handle 1 and then is sealed by a charging plug 19, the switch 13 is arranged at the front part of the battery holder 14 and forms press fit with the elastic button 15 on the top surface of the handle 1, namely the switch 13 can be touched to realize opening and closing by pressing the elastic button 15, and the charging seat 10 and the like are also arranged in the battery holder 14.

The head seat 2 is internally provided with a motor 21 and a reduction gear box 22, the motor 21 is firstly arranged at the front end of the cylindrical head seat 2, then the reduction gear box 22 is arranged to form power transmission fit with the motor 21, then the reduction gear box and the motor 21 are sealed and fixed in the head seat through a head cover 23, a driving shaft of the reduction gear box 22 extends out of the head cover 23 to be provided with a brush head 3, namely the brush head is arranged at the front part of the head seat 2 and is driven to rotate by the motor 21 and the reduction gear box 22. Thus, an electrically conductive connection will be made between the battery 11, the circuit board 12, the switch 13 and the motor 21.

Head seat 2 rear end rotate to be connected at 1 front end of handle, concrete structure is: the front end face of the handle 1 is provided with a middle connecting column 17 extending forwards along the axis, two sides of the middle connecting column are respectively provided with arc covers 6, the two arc covers 6 are mutually buckled and fixed on the middle connecting column 17, the rear end face of the head seat 2 is provided with a middle connecting shaft 24 extending backwards along the axis, the outer circumferential surface of the middle connecting shaft is provided with a connecting ring groove 25, and the front ends of the two arc covers 6 are also buckled and connected in the connecting ring groove 25.

Meanwhile, the front end of the middle connecting column 17 is provided with a connector 18 extending forwards, the connector is a conical shaft with a small outside and a large inside, a connecting hole penetrating along the axis is arranged in the middle connecting shaft 24, the connecting hole is a conical hole with a large outside and a small inside, the connector 18 is assembled in the connecting hole through a double-channel O-shaped ring in a rotating and sealing mode, and the axis of the connector 18 is overlapped with the axis of the connecting hole.

Thus, through the special elliptical surface in the shape of "/", when the head base 2 rotates relative to the handle 1, the axis of the head base 2 and the axis of the handle 1 are on the same straight line, i.e. in a straight state as shown in fig. 4, or the axis of the head base 2 and the axis of the handle 1 are crossed, i.e. the brush head 3 is in a bent state relative to the handle 1 as shown in fig. 3, which is convenient for use in some special working occasions.

Handle 1 on be equipped with the hasp subassembly 5 of adjacent ellipsoid, the concrete position is on handle 1 bottom surface, this hasp subassembly 5 is used for controlling the locking or the unblock of 2 rear ends of head seat to handle 1 front end pivoted, its structure is: the locking assembly 5 comprises a push key 51 arranged in the handle 1 and elastically pushed forwards by a spring 53 in the axial direction, and a key 52 arranged on the outer surface of the handle 1, the key is arranged in a key hole 61 which is respectively divided into two halves in a centering way between the two arc covers 6, a push rod 521 extending inwards is arranged in the key hole, and the end part of the push rod is provided with an inclined surface 522 contacting the push key 51; the front end of the push key 51 is provided with a locking block 511, and a plurality of locking holes are correspondingly arranged on the rear end surface of the head seat 2; the push key 51 is normally pushed forwards by the spring 53 in the axial direction to move so as to drive the lock block 511 to be assembled in any lock hole, and then the rotation of the rear end of the head seat 2 relative to the front end of the handle 1 is locked; when the key 52 is pressed inward, the inclined surface 522 at the end of the push rod 521 pushes the push key 51 to move backward against the elastic force of the spring 53, so as to drive the locking block 511 to disengage from the locking hole, and the rotation of the rear end of the head base 2 relative to the front end of the handle 1 is unlocked.

In addition, because the handle 1 is designed to have a length which can only be used at a low position after being held but cannot be used at a high position, the rear end of the handle 1 is also provided with an extension handle 4 which comprises an aluminum pipe 41, and a joint 42 and a grip 43 which are respectively arranged at two ends of the aluminum pipe; connect 42 in be equipped with removable grafting hole 421 of joining in marriage the grafting of inserting the connection handle 1 rear end, connect 42 and be equipped with the release button 44 that the rear end of control handle 1 and grafting hole 421 constitution locking or break away from outward, concrete structure is: the outer surface of the joint 42 is provided with a mounting groove 422, the unlocking button 44 is mounted in the mounting groove 422 in a seesaw type structure, one end of the unlocking button 44 is provided with a locking tooth 441 which penetrates through the mounting groove 422 downwards, and a return spring which pushes upwards is arranged between the other end of the unlocking button 44 and the mounting groove 422. One end of the unlocking button 44 in a normal state is pressed and assembled in the locking groove 16 of the handle 1 by driving the locking tooth 441 at the other end to be pressed and assembled through the upward tilting of the return spring, and the connection between the rear end of the handle 1 and the insertion hole 421 forms locking, so that the handle 1 and the extension handle 4 are prevented from falling off after insertion; when one end of the unlocking button 44 is pressed down against the elastic force of the return spring to drive the locking tooth 441 at the other end to tilt up and separate from the locking groove 16, the connection between the rear end of the handle 1 and the insertion hole 421 is separated, and the handle 4 can be pulled out from the insertion hole 421.

The handle 43 is fixed at the end of the aluminum pipe 41 by the mutual buckling of the two shells 431, and the rear end of the handle 43 is provided with a rubber suspension ring 432 for facilitating the suspension and storage of the cleaning brush.

The utility model discloses no longer according to traditional cleaning brush adopt two half shells to fix motor 21 and reduction gear box 22 lock in head seat 2 through a plurality of screw posts, but adopt an organic whole structure with head seat 2, and push away through head lid 23 of fixed connection in the front end of head seat 2 and close, can guarantee the fixed mounting of motor 21 and reduction gear box 22 in head seat 2 like this, can omit the occupation space of screw post again, make the diameter of head seat 2 can accomplish littleer; meanwhile, the insertion hole 421 is designed in the joint 42 at the end of the extension handle 4 instead of the insertion hole designed in the handle 1, so that the limited inner space in the handle 1 is not occupied. Therefore, the compactness of the internal structure layout of the head seat and the handle is effectively ensured by reasonably designing the head seat and the handle, so that the product is smaller in size and more exquisite and attractive in appearance.

The above description is only an embodiment of the present invention, and it should be understood by those skilled in the art that any structural design equivalent to this embodiment is included in the scope of the present invention.

Claims

1. An electric cleaning brush comprises a handle (1), a head seat (2) and a brush head (3); the toothbrush is characterized in that a battery (11), a circuit board (12) and a switch (13) are installed in the handle (1), a motor (21) and a reduction gear box (22) are installed in the head seat (2), the rear end of the head seat (2) is rotatably connected to the front end of the handle (1), and the toothbrush head (3) is installed at the front part of the head seat (2) and is driven to rotate by the motor (21) and the reduction gear box (22); the electric connection between the battery (11), the circuit board (12), the switch (13) and the motor (21) is characterized in that the motor (21) and the reduction gear box (22) are sequentially arranged from the front part of the head seat (2) to form transmission connection, and then the motor (21) and the reduction gear box (22) are jointly pushed and sealed by a head cover (23) fixedly connected to the front end of the head seat (2).

2. The electric cleaning brush as claimed in claim 1, wherein an elliptical surface in "/" shaped contact is provided between the rear end surface of the head base (2) and the front end surface of the handle (1), and the handle (1) is provided with a locking assembly (5) adjacent to the elliptical surface, the locking assembly controlling the locking or unlocking of the rear end of the head base (2) to the rotation of the front end of the handle (1).

3. An electric cleaning brush according to claim 2, characterized in that the head holder (2) is rotatable relative to the handle (1), the axis of the head holder (2) being collinear with the axis of the handle (1), or the axis of the head holder (2) intersecting the axis of the handle (1).

4. The electric cleaning brush as claimed in claim 2, wherein the locking assembly (5) comprises a push key (51) disposed in the handle (1) and elastically pushed forward in the axial direction and a push button (52) disposed on the outer surface of the handle (1), the front end of the push key (51) is provided with a locking block (511), and correspondingly, the rear end surface of the head seat (2) is provided with a plurality of locking holes; the push key (51) moves forwards in the axial direction to drive the lock block (511) to be assembled in any lock hole, the rotation of the rear end of the head seat (2) to the front end of the handle (1) is locked, the push key (52) presses inwards to push the push key (51) to move backwards in the axial direction and drive the lock block (511) to be separated from the lock hole, and the rotation of the rear end of the head seat (2) to the front end of the handle (1) is unlocked.

5. An electric cleaning brush as claimed in claim 4, characterized in that the push rod (521) is provided with a push rod (521) extending inwards in the push button (52), the end of the push rod is provided with a slope (522) contacting the push button (51), and the push button (51) is pushed to move axially backwards by the slope (522) at the end of the push rod (521) pressed inwards by the push button (52).

6. The electric cleaning brush according to claim 4, characterized in that the front end surface of the handle (1) is provided with a central connecting column (17) extending forwards along the axis, the two sides of the central connecting column are respectively provided with an arc cover (6), and the two arc covers are mutually buckled and fixed on the central connecting column (17); a key hole (61) which is split into two halves is respectively arranged between the two arc covers (6), and the key (52) is arranged in the key hole (61).

7. The electric cleaning brush according to claim 6, wherein the rear end face of the head base (2) is provided with a middle connecting shaft (24) extending backward along the axis, the middle connecting shaft (24) is provided with a connecting hole penetrating along the axis, and the outer circumferential surface of the middle connecting shaft (24) is further provided with a connecting ring groove (25); the front end of the middle connecting column (17) is provided with a connector (18) extending forwards, the connector (18) is rotatably and hermetically assembled in the connecting hole, and the axial leads of the connector (18) and the connecting hole are overlapped; the front ends of the two arc covers (6) are simultaneously buckled and connected in the connecting ring groove (25).

8. An electric cleaning brush as defined in claim 1, wherein said handle (1) is provided at a rear end thereof with an extension handle (4) comprising an aluminum pipe (41), and a joint (42) and a grip (43) respectively mounted at both ends of the aluminum pipe; the connector (42) is internally provided with a plug hole (421) which is detachably matched and connected with the rear end of the handle (1), and the connector (42) is externally provided with an unlocking button (44) which controls the rear end of the handle (1) and the plug hole (421) to form locking or separation.

9. An electric cleaning brush according to claim 8, wherein the joint (42) is provided at an outer surface thereof with a mounting groove (422), the release button (44) is mounted in the mounting groove (422) in a see-saw type structure, and at either end of the release button (44), there is provided a locking tooth (441) downwardly penetrating the mounting groove (422); unlock button (44) one end upwarp and drive lock tooth (441) of the other end and push down the assembly in locked groove (16), the lock is constituted with being connected of spliced eye (421) to this handle (1) rear end, unlock button (44) one end push down and drive lock tooth (441) of the other end upwarp and break away from locked groove (16), this handle (1) rear end constitutes with being connected of spliced eye (421) and breaks away from.

10. An electric cleaning brush as claimed in claim 8, characterized in that the handle (43) is fixed to the end of the aluminum tube (41) by two housings (431) which are engaged with each other, and a hanging ring (432) is provided at the rear end of the handle (43).