CN112471951A

CN112471951A - Electric toilet brush

Info

Publication number: CN112471951A
Application number: CN202011493502.4A
Authority: CN
Inventors: 熊辉
Original assignee: Hangzhou Xiaocangxiong Life Technology Co Ltd
Current assignee: Hangzhou Xiaocangxiong Life Technology Co Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-03-12

Abstract

The invention discloses an electric toilet brush, which comprises a shell, wherein a replaceable brush head is arranged on the shell, a dismounting device capable of dismounting the replaceable brush head is arranged on the shell, the dismounting device comprises a brush head clamping hook arranged in the shell and a rotatable push rod, a top plug is sleeved outside the push rod, a section of threaded part is arranged on the outer circumference of the push rod, and the top plug can be in threaded transmission connection with the threaded part.

Description

Electric toilet brush

Technical Field

The invention relates to the field of household articles, in particular to an electric toilet brush.

Background

The toilet brush is a household article and is often used in daily life, the toilet brush is usually composed of a holding rod for holding and a brush, the brush is usually spherical or rectangular, and the toilet brush is usually driven by manpower, so that an electric toilet brush taking a motor as driving force appears in the market.

The national intellectual property office discloses a patent with the name CN 201720042625.3: the utility model provides an electric toilet brush's utility model patent, this patent is integrated to have motor and washing liquid in toilet brush, when the motor drives toilet brush rotatory, relies on the effect of centrifugal force to scatter the washing liquid evenly on the inner wall of closestool, has both reduced the waste of washing liquid, has improved toilet brush's soil-release ability again.

Although the motor is used for driving the toilet brush to rotate, the disassembly of the brush head is very complicated due to the structural limitation, and the internal structure of the brush head is provided with a capillary pipeline, so that the structure is complicated and is easy to damage.

The national intellectual property office discloses a patent number 201620378093.6 entitled: the utility model relates to a utility model of an electric toilet brush, which comprises a handle, a connecting rod, a universal joint, a brush head and brush hair; one end of the handle is connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with a universal joint, and the other end of the universal joint is connected with the brush head; the handle is internally provided with a hollow cavity, the hollow cavity is internally provided with a power supply, a motor and an eccentric wheel, the power supply is electrically connected with the motor, the eccentric wheel is connected with the motor, the handle is provided with a circuit switch, and the circuit switch is electrically connected with the power supply; the connecting rod is a telescopic rod, the brush head comprises a transparent shell, a fluorescent layer and a waterproof LED lamp, a control switch of the waterproof LED lamp is arranged on the handle, and the control switch is electrically connected with the waterproof LED lamp.

The universal joint and the brush head swing joint of this patent can regularly dismantle the brush head and get off the washing, perhaps change the brush head, though can change the brush head, the dismantlement of brush head is more complicated, and the installation of brush head also needs the people to connect universal joint and brush head by hand, when dismantling, dismantles universal joint and brush head by hand, also wastes time and energy relatively.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the electric toilet brush, the electric toilet brush can automatically disassemble and assemble the brush head, the brush head is very convenient to assemble, the brush head can be assembled only by pressing, the brush head is automatically disassembled by pressing the switch during disassembly, and the electric toilet brush is convenient to use.

In order to solve the above problems, the present invention provides the following technical solutions:

the utility model provides an electronic toilet brush, includes the casing, is provided with on the casing and can replaces the brush head, its characterized in that: the shell is provided with a dismounting device which can dismount the replaceable brush head.

The dismounting device comprises a brush head clamping hook arranged in the shell and a push rod capable of rotating, a top plug is sleeved outside the push rod, a section of threaded part is arranged on the outer circumference of the push rod, and the top plug can be in threaded transmission connection with the threaded part.

When the ejector rod rotates forwards, the thread part of the ejector rod and the threads of the top plug are in a disengaging direction, and the top plug is not stressed and does not rotate.

The brush head clamping hook is of a cylindrical structure and comprises a brush head clamping hook A and a brush head clamping hook B, the brush head clamping hook is buckled together by the brush head clamping hook A and the brush head clamping hook B to form the cylindrical structure, and a transition part is arranged in the brush head clamping hook.

The brush head clamping hook comprises a brush head cavity, a top plug cavity and a push rod spring cavity, the top plug cavity is located between the brush head cavity and the push rod spring cavity, a conical transition part is formed between the top plug cavity and the top plug cavity, and the outer surface of the top plug is adapted to the transition part.

The push rod spring is arranged in the push rod spring cavity, the top plug spring is arranged in the top plug cavity, the top plug spring is located between the inner wall of the top plug cavity and the top plug, and the push rod spring is arranged between the inner wall of the push rod spring cavity and the blocking head.

When the ejector pin is reversed, the threaded part of the push rod drives the ejector plug to move along the ejector pin, the ejector plug is of a circular truncated cone-shaped structure, and the ejector plug extrudes the excessive part under the action of the threads, so that the brush head clamping hook is expanded.

The push rod is provided with a connecting part groove which can accommodate the connecting part at the position close to the replaceable brush head.

The brush head is provided with a connecting part, and the end surface of the connecting part is provided with a tooth-shaped bulge; the connecting part groove is provided with a dent corresponding to the tooth-shaped bulge.

The inside of the brush head clamping hook is provided with three chambers, namely a top plug spring chamber, a push rod spring chamber and a thread chamber, and a conical transition part is formed at the transition part of the thread chamber and the top plug spring chamber; the transition part is adaptive to the shape of the top plug; the top plug spring cavity is internally provided with a top plug spring, the top plug spring is positioned in the top plug spring cavity, the top plug spring is positioned between the top plug and the inner wall of the top plug spring cavity, the push rod spring is positioned in the push rod spring cavity, and the push rod spring is positioned between the inner wall of the push rod spring cavity and the gear head.

Compared with the prior art, the invention has the beneficial effects that: a cleaning switch is arranged on the shell, and the cleaning switch is turned on to enable the motor to rotate forwards to drive the push rod to drive the replaceable brush head to rotate forwards to start cleaning.

At the moment, the thread part of the ejector rod and the thread of the ejector plug are in a disengaging direction, so that the ejector rod is not stressed and does not move; and opening an exit button, wherein the exit button is arranged on the shell, the motor rotates reversely for several circles to drive the push rod to rotate reversely, and the threaded part of the push rod drives the top plug to move backwards.

Make the brush head drop, after the motor reversal number of circles, control panel control motor corotation drove the kicking plug and moves forward, and after the pothook resets the kicking plug and moves anterior extreme state, the screw hole of kicking plug and the screw thread portion of ejector pin throw off, are in the virtual state of joining in marriage by the spring application of kicking plug, and the positive motion of motor no longer influences the kicking plug.

The electric toilet brush can automatically disassemble and assemble the brush head, is very convenient to assemble when the brush head is assembled, can be assembled and assembled only by pressing, and is convenient to use when the brush head is disassembled and automatically disassembled by pressing a switch.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals.

In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view taken along line A-A in example 1 of the present invention;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is a sectional view taken along line A-A in example 2 of the present invention;

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

FIG. 6 is a schematic structural view of the upper handle shell;

FIG. 7 is a schematic view of a replaceable brush head configuration;

fig. 8 is a schematic transmission diagram of the top plug and the guide block.

In the figure:

1. a replaceable brush head; 101. a brush head portion; 102. a connecting portion; 103. a tooth-shaped bulge; 2. a handle upper shell; 201. a motor chamber; 202. a guide block; 3. a handle lower shell; 4. a brush head hook A; 401. the brush head is clamped with a hook; 41. a brush head chamber; 402. a top plug spring chamber; 403. a pushrod spring chamber; 404. a threaded chamber; 405. a transition part; 5. a brush head hook B; 6. a top plug; 61. a top plug threaded hole; 62. a guide groove; 7. a push rod; 71. a threaded portion; 72. a connecting portion groove; 73. recessing; 74. a head stopper portion; 8. a motor; 9. a control panel; 10. a top plug spring; 11. a push rod spring; 12. a housing; 10', a top plug spring; 11 ', pushrod spring, 403 ', pushrod spring chamber, 405 ', transition; 74' and a head stop.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Embodiment 1, as shown in fig. 1, fig. 2 and fig. 3, an electric toilet brush includes a housing 12, a replaceable brush head 1 is disposed on the housing 12, the replaceable brush head 1 includes a soft brush head portion 101 and a connecting portion 102, the brush head portion 101 is disc-shaped, and may be in various other shapes, and the brush head portion may have bristles.

The shell is internally provided with a push rod 7, and the outer circumference of the push rod 7 is provided with a section of threaded part 71 and a stop head part 74.

The push rod 71 is provided with a connecting part groove 72 which is used for accommodating the connecting part 102 at the position close to the replaceable brush head 1; the connecting portion 102 is tapered; the insertion into the connecting portion groove 72 is facilitated.

A motor 8 is arranged in the shell 12, a rotating shaft of the motor 8 is in transmission connection with the push rod 7, and the motor 8 can rotate forward and backward.

The end surface of the connecting part 102 is provided with a tooth-shaped bulge 103; the coupling recess 72 has a recess 73 corresponding to the tooth-shaped protrusion 103.

The push rod 7 is sleeved with a top plug 6, the top plug 6 is of a circular truncated cone-shaped structure, a top plug threaded hole 61 is formed in the top plug 6, and the top plug threaded hole 61 can be in threaded transmission connection with the threaded portion 71.

A brush head clamping hook 401 is arranged outside the push rod 7 and is of a cylindrical structure, the brush head clamping hook consists of a brush head clamping hook 4 and a brush head clamping hook 5, and the brush head clamping hook is buckled by the brush head clamping hook 4 and the brush head clamping hook 5 to form the cylindrical structure; the plug 6 is located within the cylindrical structure.

The brushhead hook 401 has three chambers therein, a top plug spring chamber 402, a push rod spring chamber 403 and a threaded chamber 404.

A top plug spring 10 is arranged in the top plug spring chamber 402, the top plug spring 10 is positioned between the top plug 6 and the inner wall of the top plug spring chamber 402, the push rod spring 403 is positioned in the push rod spring chamber 403, and the push rod spring 403 is positioned between the inner wall of the push rod spring chamber 403 and the stopper head 72.

The transition between the threaded chamber 404 and the top plug spring chamber 402 forms a tapered transition 405; the transition 45 is adapted to the shape of the top plug 6.

The casing includes handle epitheca 2 and handle inferior valve 3, and handle epitheca 2 and 3 lock joints of handle inferior valve are in the same place and are formed tubular structure.

The brush head is characterized in that a motor 8 and a control panel 9 are arranged in the shell 12, a rotating shaft of the motor 8 is in transmission connection with the push rod 7, one end part, far away from the replaceable brush head 1, of the push rod 7 is in transmission connection with the rotating shaft of the motor 8, and the connection mode can be in key connection.

Before use, the brush head 1 can be replaced to be separated from the handle; when the brush is used, the replaceable brush head 1 is inserted into the shell 12, and the replaceable brush head 1 is embedded into the hook part of the brush head, so that the replaceable brush head is fixed and does not fall off.

The end face of the connecting part 102 is provided with a tooth-shaped bulge 103, and the tooth-shaped bulge 103 is conical, so that the guiding and the force applying in the assembling process are facilitated; the coupling recess 72 has a recess 73 corresponding to the tooth-shaped protrusion 103.

The shell 12 is provided with a cleaning switch 13, and the cleaning switch 13 is turned on to enable the motor to rotate forwards to drive the push rod 7 to drive the replaceable brush head 1 to rotate forwards to start cleaning.

At the moment, the thread part of the ejector rod 7 and the ejector plug thread 6 are in a disengaging direction, and are not stressed and do not move; open and withdraw from the button, be provided with on casing 12 and withdraw from button 13, make the motor reversal several circles, drive the reversal of push rod 7, the screw thread portion of push rod drives the top stopper 6, makes top stopper 6 remove to the direction that is close to motor 8, because top stopper 6 is round platform shape structure, top stopper 6 extrudes excess portion 405 under the effect of screw thread to brush head trip 401 rises.

The connecting portion 102 of brush head is owing to lose the constraint of brush head trip 401, can replace the brush head and will make the brush head drop under the effect of gravity, and after the motor reversal number circle, control panel control motor corotation drove the top stopper and move forward, and the pothook resets the top stopper and moves to anterior extreme state after, and the screw hole of top stopper 6 is thrown off with the screw thread portion of ejector pin 7, is in the virtual state of joining in marriage by top stopper spring application of force, and the forward motion of motor no longer influences the top stopper.

As shown in fig. 6, the handle upper shell 2 is provided with a motor chamber 201; the inner wall of the handle upper shell 2 is provided with a long strip-shaped guide block 202.

As shown in fig. 7, the replaceable brush head 1 comprises a brush head part 101 and a connecting part 102, wherein the connecting part 102 is provided with a tooth-shaped protrusion 103.

As shown in fig. 8, an elongated guide block 202 is fixedly arranged on the inner wall of the handle upper shell 2, and the top plug 6 is provided with a guide groove 62 matched with the guide block 202.

The top plug 6 is slidable along the guide block 202 inside the handle upper case 2.

When the toothbrush is used, the toothbrush head is inserted into the handle and is embedded into the hook part of the toothbrush head, so that the toothbrush head is fixed and does not fall off. The top of the brush head is provided with the connecting part 102, the tooth shape of the connecting part 102 is conical, so that the guide and the force application in the assembly process of the clamping hook are convenient, and the brush head can not be inserted to the bottom when the tooth shape is not meshed when the brush head is inserted, and the push rod can move backwards in the axial direction.

When the motor works, the push rod rotates, the gear is meshed by the axial force exerted by the spring to drive the brush head to rotate, the conical gear is matched with the push rod more stably in a matching mode of the head positioning pin, the matching tooth form is a sawtooth type and is more convenient to withdraw, the cleaning switch is opened to enable the motor to rotate forwards, the push rod is driven to drive the brush head to rotate forwards again, cleaning work is started, the withdrawing button is opened to enable the motor to rotate reversely for a plurality of circles, the push rod is driven to rotate reversely, the push rod thread drives the top plug to enable the top plug to move forwards, the clamping hook is propped open, the brush head is enabled to fall off, and at the moment, the push rod thread and the top plug thread are in a.

The upper cover and the lower cover are provided with 2 guide blocks 202, and the top plug is provided with 2 corresponding guide grooves 62, so that the top plug cannot rotate but can axially slide, the torque force of the motor is changed into front and rear thrust force by matching with the threads, and the clamping hook is jacked open; after the top plug moves to the front limit state, the threads of the top plug are separated from the threads of the ejector rod, and the positive movement of the motor does not influence the top plug any more. However, due to the force applied by the spring, the top plug and the push rod thread are in a virtual matching state, and the next motor is enabled to work after being reversed.

The end of the brush head clamping hook 401 is provided with a chamfer, and the arrangement of the chamfer facilitates the insertion of the brush head and plays a role in guiding the brush head.

Embodiment 2, as shown in fig. 4 and 5, in the above embodiment, the brush head hook 401 can be of such a structure that the brush head hook 401 includes a brush head chamber 41 ', a top plug chamber 402' and a push rod spring chamber 403 ', the top plug chamber 402' is located between the brush head chamber 41 'and the push rod spring chamber 403', a tapered transition part 405 'is formed between the top plug chamber 402' and the brush head chamber 41 ', and the outer surface of the top plug 6 is adapted to the transition part 405'.

The top plug chamber 402 'and the pushrod spring chamber 403' are in direct communication.

A push rod spring 11 ' is arranged in the push rod spring chamber 403 ', a top plug spring 10 ' is arranged in the top plug chamber 402 ', the top plug spring 10 ' is positioned between the inner wall of the top plug chamber 402 ' and the top plug 6, and the push rod spring 11 ' is arranged between the inner wall of the push rod spring chamber 403 ' and the stopper head part 74 '.

The push rod 7 has a thread portion 71 and a head portion 74' on the outer circumference.

At the moment, the thread part of the ejector rod 7 and the top plug thread 6 are in a disengaging direction and are not stressed, but are in virtual contact under the action of the top plug spring 10' and are not movable; the withdrawing button is opened, the withdrawing button 13 is arranged on the shell 12, the motor is driven to rotate reversely for several circles, the push rod 7 is driven to rotate reversely, the threaded portion of the push rod drives the top plug 6, the top plug 6 moves towards the direction far away from the motor 8, the top plug 6 is of a circular truncated cone-shaped structure, the top plug 6 extrudes the excessive portion 405' under the action of threads, and therefore the brush head clamping hook 401 is expanded, and the rest structures of the embodiment are the same as those of embodiment 1.

The upper cover and the lower cover are provided with 2 guide blocks 202, and the top plug is provided with 2 corresponding guide grooves 62, so that the top plug cannot rotate but can axially slide, the torque force of the motor is changed into front and rear thrust force by matching with the threads, and the clamping hook is jacked open; after the top plug moves to the front limit state, the threads of the top plug are separated from the threads of the ejector rod, and the positive movement of the motor does not influence the top plug any more. However, due to the force applied by the spring, the top plug and the thread of the push rod are in a virtual matching state, and the next motor is operated after being reversely rotated, and the rest of the structure of the embodiment is the same as that of the embodiment 1.

In embodiment 3 and embodiment 2, the top plug chamber 402 'and the plunger spring chamber 403' can be directly communicated, the plunger spring 11 'can be omitted, and only the top plug spring 10' is reserved, and the rest of the structure of the embodiment is the same as that of embodiment 2.

Claims

1. An electronic toilet brush, includes casing (12), is provided with on casing (12) and can replace brush head (1), its characterized in that: the shell (12) is provided with a dismounting device which can dismount the replaceable brush head (1).

2. An electric toilet brush according to claim 1, characterized in that the dismounting device comprises a brush head hook (401) arranged in the housing and a rotatable push rod (7), a top plug (6) is sleeved outside the push rod (7), a section of thread part (71) is arranged on the outer circumference of the push rod (7), and the top plug (6) can be in thread transmission connection with the thread part (71).

3. An electric toilet brush according to claim 2, characterized in that when the push rod (7) rotates forward, the thread of the push rod (7) is disengaged from the plug thread (6), and the plug (6) is not forced to rotate.

4. An electric toilet brush according to claim 2, wherein the brush head hook (401) is a cylindrical structure, the brush head hook is composed of a brush head hook A (4) and a brush head hook B (5), the brush head hook is formed by buckling the brush head hook A (4) and the brush head hook B (5) together to form a cylindrical structure, and an excess part is arranged in the brush head hook (401).

5. An electric toilet brush according to claim 4, characterized in that the brush head catch (401) comprises therein a brush head chamber (41 '), a plug chamber (402') and a plunger spring chamber (403 '), the plug chamber (402') being located between the brush head chamber (41 ') and the plunger spring chamber (403'), the plug chamber (402 ') and the brush head chamber (41') forming a tapered transition portion (405 '), the outer surface of the plug (6) being adapted to the transition portion (405').

6. An electric toilet brush according to claim 5, characterized in that a push rod spring (11 ') is provided in the push rod spring chamber (403 '), a plug spring (10 ') is provided in the plug chamber (402 '), the plug spring (10 ') is located between the inner wall of the plug chamber (402 ') and the plug (6), and the push rod spring (11 ') is provided between the inner wall of the push rod spring chamber (403 ') and the stopper portion (74 ').

7. An electric toilet brush according to claim 4, characterized in that when the push rod (7) rotates reversely, the thread part of the push rod drives the top plug (6) to move along the push rod (7), the top plug (6) is in a round table structure, the top plug (6) extrudes the excessive part under the action of the thread, thereby expanding the brush head hook (401).

8. An electric toilet brush according to claim 4, characterized in that the push rod (71) near the replaceable brush head (1) has a coupling recess (72) for receiving the coupling (102).

9. An electric toilet brush according to claim 4, characterized in that the brush head (1) has a connecting portion (102), the end face of the connecting portion (102) having a tooth-shaped protrusion (103); the connecting portion groove (72) has a recess (73) corresponding to the tooth-shaped protrusion (103).

10. An electric toilet brush according to claim 4, characterized in that the brush head hook (401) has three chambers therein, a top plug spring chamber (402), a push rod spring chamber (403) and a threaded chamber (404), the transition of the threaded chamber (404) and the top plug spring chamber (402) forms a tapered transition (405); the transition part (405) is adapted to the shape of the top plug (6); the top plug spring (10) is arranged in the top plug spring chamber (402), the top plug spring (10) is located between the top plug (6) and the inner wall of the top plug spring chamber (402), the push rod spring (403) is located in the push rod spring chamber (403), and the push rod spring (403) is located between the inner wall of the push rod spring chamber (403) and the gear head (72).