CN215874554U

CN215874554U - Cleaning brush cleaning tool capable of realizing automatic cover turning

Info

Publication number: CN215874554U
Application number: CN202022893436.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Ningbo Deruntang Intelligent Technology Co Ltd
Current assignee: Ningbo Deruntang Intelligent Technology Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2022-02-22
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a cleaning tool of a cleaning brush capable of realizing automatic cover turning, which comprises a brush handle and a brush block barrel for accommodating a brush block, wherein the brush block can be detachably connected with the lower end of the brush handle to form the cleaning brush, and a barrel cover is hinged to the upper port of the brush block barrel; the method is characterized in that: the barrel cover is connected with a driving structure, and a control end of the driving structure is exposed out of the brush block barrel (3); the driving structure automatically opens the barrel cover under the natural state that the control end is not subjected to external force; under the state that the middle part of the brush holder is connected to the control end, the brush holder triggers the control end of the driving structure under the action of self gravity to close the barrel cover. The control end is exposed out of the brush block barrel, the setting is simpler, the brush handle can trigger the barrel cover more easily to close, even if failure occurs, the brush handle cannot be polluted by dirty water dropping from the lower end of the brush handle, and the brush block barrel can be triggered manually.

Description

Cleaning brush cleaning tool capable of realizing automatic cover turning

Technical Field

The utility model relates to a cleaning tool for kitchens and toilets, in particular to a cleaning tool for cleaning brushes, which can realize automatic turnover and is based on a cleaning brush with a replaceable brush block.

Background

A toilet brush or a pot brush, which may be collectively referred to as a cleaning brush, is a common scraping and brushing cleaning tool, and is generally used in combination with a brush block (also called a brush head). The toilet brush is used for cleaning a toilet, the pan brush is used for cleaning a pan, the integral structure of the toilet brush and the pan brush is similar, and the materials of the brush blocks are generally different. At present, most cleaning brushes on the market have brush blocks fixedly connected with brush holders, and the brush blocks are repeatedly used and are not beneficial to sanitation.

For example, a chinese utility model patent with CN201821298381.6 (No. CN202665419U) discloses a toilet brush with replaceable brush head. Also, for example, in the 'detachable pan brush' of the chinese utility model with patent No. ZL201921884137.2 (publication No. CN211066487U), although the brush block and the brush holder can be detached, the connection structure between the brush block and the brush holder is complicated.

The existing cleaning brush (taking a toilet brush as an example) needs to be matched with a placing seat for use, the placing seat is provided with a brush block storage barrel and a containing cavity for inserting a brush handle, and the upper port of the brush block storage barrel is hinged with a barrel cover. When the brush block is installed each time, the barrel cover needs to be opened by hands, and the operation is inconvenient and unhygienic.

For this reason, a placing seat capable of realizing automatic cover turning is invented by people, for example, a structure disclosed in a chinese patent invention 'a toilet brush device with replaceable brush head' with patent number ZL202010270762.9 (application number CN111714019A), which comprises a barrel body and a cleaning brush handle, wherein a barrel cover is hinged to an upper port of the barrel body, a handle fixing seat is arranged at the lower part of the outer side of the barrel body, a lifting mechanism is arranged inside the handle fixing seat and the bottom of the barrel body, a control end of the lifting mechanism is arranged in a containing cavity of the handle fixing seat, and the hinged part of the barrel cover is connected with the lifting mechanism at the bottom of the barrel body through a connecting rod; the control end of the lifting mechanism is linked with the barrel cover; the replaceable brush heads are stacked up and down in the barrel body, the brush handle fixing seats are arranged on the side portion of the barrel body, the linkage mechanism is arranged between the brush handle fixing seats and the barrel cover, once the brush handles are separated from the brush handle fixing seats, the barrel cover is automatically opened, the brush heads can be conveniently grabbed by the brush handles, the brush heads can be grabbed and lost by pulling the button, and the replaceable brush head holder has the advantages of being reasonable in structure, convenient to use, safe and sanitary.

However, the control end of the lifting mechanism is arranged in the accommodating cavity of the handle fixing seat, so that the assembly of parts is inconvenient, and the triggering of the lower end of the handle of the cleaning brush and the control end is insensitive after the cleaning brush is used for a long time; the lower extreme of cleaning brush handle only relies on the holding chamber restraint of handle fixing base and keeps the trend of standing, and the cleaning brush handle is easily emptyd.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a cleaning tool of a cleaning brush with a more reasonable structure and capable of realizing automatic cover turning aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a cleaning brush cleaning tool capable of realizing automatic cover turning comprises a brush handle and a brush block barrel for containing brush blocks, wherein the brush blocks can be detachably connected with the lower end of the brush handle to form a cleaning brush, and a barrel cover is hinged to the upper end opening of the brush block barrel; the method is characterized in that: the barrel cover is connected with the driving structure, and the control end of the driving structure is exposed out of the brush block barrel; the driving structure automatically opens the barrel cover under the natural state that the control end is not subjected to external force; under the state that the middle part of the brush holder is connected to the control end, the brush holder triggers the control end of the driving structure under the action of self gravity to close the barrel cover.

In order to facilitate production, manufacture and assembly, the brush block barrel comprises a base and a barrel body provided with a placing cavity for accommodating the brush block, the base is provided with an inserting cavity for inserting and positioning the barrel body, and the brush holder socket is arranged on the base and positioned beside the inserting cavity. The staving can be roughly tubulose, and both ends are penetrating, and convenient shaping, the base insert the bottom surface that joins in marriage the chamber and constitute the brush piece bucket, and the staving can adopt the buckle mode to assemble to inserting and join in marriage the intracavity moreover, is the platykurtic because of the base is basic, so will insert and join in marriage the design that the chamber set up also made things convenient for the mould on the base.

Preferably, the driving structure is disposed in the brush block barrel, and a control end side of the driving structure is exposed out of a side wall of the brush block barrel. Locate the inside effect that plays the protection drive structure of brush piece bucket with drive structure, also make whole appearance more pleasing to the eye unhappiness simultaneously. Of course, the driving structure can also be arranged outside the brush block barrel.

As an improvement, the driving structure is a driving part which is restricted in the brush block barrel and can slide up and down, the driving part directly or indirectly keeps moving upwards under the action of an elastic part, the upper end of the driving part is in transmission connection with the barrel cover through a transmission structure, a convex triggering block is arranged on the driving part, and the triggering block is exposed out of the side wall of the barrel body to form the control end; when the trigger block is in a natural state without being subjected to external force, the driving piece moves upwards under the action of the elastic piece and drives the barrel cover to be turned upwards and opened through the transmission structure; under the state that the middle part of the brush handle is clamped on the trigger block, the trigger block drives the driving piece to overcome the elasticity of the elastic piece to move downwards under the action of the gravity of the brush handle, and the driving piece moving downwards drives the barrel cover to turn downwards and close through the transmission structure. The driving structure takes the driving piece as a main body piece, and the triggering block directly formed or fixed on the driving piece forms a control end, so the driving structure has the advantage of simple structure.

Preferably, the elastic member is a spring arranged below the elastic member to keep the upward movement tendency of the elastic member, or a torsion spring arranged at the hinge position of the barrel cover to keep the upward turning tendency of the barrel cover.

As an improvement, the rear part of the barrel cover is provided with two mounting lugs arranged at intervals from front to back, the mounting lugs are hinged on the brush block barrel through a pivot, the transmission structure comprises a driving shaft and a linkage groove, the driving shaft is arranged on one of the mounting lugs and the driving piece, and the linkage groove is arranged on the other one of the mounting lugs and the driving piece. The transmission structure does not need a complex connecting rod structure and is convenient to assemble.

As an improvement, the rear part of the brush block barrel is provided with a mounting hole for placing the driving piece, a notch with a downward opening is arranged on the side wall of the mounting hole so that the trigger block can be exposed, and a rib groove guide structure is arranged between the driving piece and the hole wall of the mounting hole. The structure ensures that the driving piece can only slide up and down, so that the sliding of the driving piece can open or close the barrel cover better.

Further, the trigger block is provided with a through hole for the lower end of the brush handle to penetrate through, an inner convex shoulder blade is arranged on the inner circumferential wall of the through hole, a convex outer blocking shoulder is arranged on the circumferential wall of the lower end of the brush handle, and the inner shoulder blade is in contact with the outer blocking shoulder when the brush handle penetrates through the through hole, so that the gravity of the brush handle can drive the driving piece to move downwards along with the trigger block. This structure makes the trigger block play the constraint effect to the brush holder, and the brush holder can better keep upright, is difficult for empting, can better drive the driving piece and move down along with the trigger block under the action of gravity of brush holder.

As a preferred structure of the brush handle, the lower end of the brush handle is fixed with a positioning piece made of soft rubber, the positioning piece is provided with a bayonet, the top surface of the brush block is fixed with a rubber sheet, the rubber sheet is provided with a convex insertion part, the head of the insertion part is provided with a chuck with an increased area, the bayonet is expanded by the chuck in the process that the insertion part passes through the bayonet until the chuck passes through the bayonet, the bayonet is contracted and reset under the self elastic action, the chuck is constrained above the bayonet, and the brush block is relatively positioned with the positioning piece through the chuck on the insertion part; the brush handle is provided with a trigger part capable of sliding axially, the trigger part directly pushes the clamping head or the rubber sheet or the brush block, and the clamping opening is directly extruded and expanded by the clamping head, so that the clamping head downwards passes through the clamping opening and then is separated from the positioning piece.

The clamping head on the inserting part is aligned with the bayonet on the positioning part and inserted, the bayonet is expanded by the clamping head through the deformation of the positioning part in the process that the inserting part passes through the bayonet, the aperture of the bayonet is restored to be reduced under the self elastic action of the bayonet until the clamping head passes through the bayonet, the clamping head is restrained above the bayonet, the brush block and the positioning part are relatively positioned, the structure is simpler, and a complex clamping jaw structure is not needed; when breaking away from, directly promote dop or film or brush piece through the trigger part that the axial slided, the bayonet socket is directly propped greatly by the dop extrusion for the dop breaks away from with the setting element after downwards passing through the bayonet socket, and the brush piece breaks away from the convenience, does benefit to abandon and changes the brush piece.

The brush holder is not limited to the above structure, and the structure of the brush holder in the background patent can be adopted, and the structure can be similar.

As the preferred scheme of the trigger part, the improvement is further provided, the trigger part is a push rod which is arranged in the brush handle and can axially slide, the downward movement of the push rod can push the chuck to move downward and make the chuck downwards pass through the bayonet and then separate from the positioning piece, the push rod is provided with a push button, and the push button is exposed out of the brush handle to be operated and pushed by people. When the brush head is separated, the push rod is pushed, the downward movement of the push rod pushes the clamping head downwards to enable the positioning piece to deform, the clamping head passes through the bayonet, the brush block is separated, and the operation is more convenient and rapid. In order to improve the operation hand feeling of the push rod, a return spring which enables the push rod to keep moving upwards is arranged in the brush handle.

Compared with the prior art, the utility model has the advantages that: the barrel cover is opened through linkage operation formed by insertion of the driving structure and the brush handle, when the middle part of the brush handle is fastened on the control end of the brush block barrel exposed outside, the control end of the driving structure is triggered by the brush handle under the action of self gravity to close the barrel cover, when the brush handle is separated from the control end, the control end is in a natural state without external force, the driving structure automatically opens the barrel cover, so that the brush handle can conveniently extend into the brush block barrel to grab the brush block, the brush block is separated from the brush handle after use and discarded, the barrel cover does not need to be touched in the whole using process, and the use is convenient, safe and sanitary. Importantly, the control end of the driving structure is exposed out of the brush block barrel, the setting is simpler, the barrel cover can be closed by being triggered by the brush handle more easily, and the brush can be triggered manually without being polluted by dirty water dripping from the lower end of the brush handle even if failure occurs.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention (with the handle inserted);

FIG. 2 is a cross-sectional view of an embodiment of the present invention (with the handle inserted);

FIG. 3 is a schematic perspective view of an embodiment of the present invention (with the handle pulled out);

FIG. 4 is a cross-sectional view of a brush block barrel portion (with the barrel cover open) in an embodiment of the utility model;

FIG. 5 is a schematic perspective view of an embodiment of the present invention (brush block picking status of the brush holder);

FIG. 6 is an exploded perspective view of a brush block barrel portion according to an embodiment of the present invention;

figure 7 is a cross-sectional view of a handle with a brush block attached in accordance with an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, a preferred embodiment of the present invention is shown.

The utility model provides a can realize automatic flip's cleaning brush burnisher, includes brush holder 1 and brush piece bucket 3 that is used for holding brush piece 2, brush piece 2 can with the lower extreme detachably of brush holder 1 is connected in order to assemble into the cleaning brush, and the last port of brush piece bucket 3 articulates there is bung 5.

The main improvement point of the utility model is that the barrel cover 5 is connected with a driving structure, and the control end of the driving structure is exposed out of the brush block barrel 3; the driving structure automatically opens the barrel cover 5 under the natural state that the control end is not subjected to external force; under the state that the middle part of the brush holder 1 is connected to the control end, the brush holder 1 triggers the control end of the driving structure under the action of self gravity to close the barrel cover 5.

As shown in FIG. 7, the brush barrel 3 comprises a base 31 and a barrel 32 having a cavity for accommodating the brush 2, the back of the barrel 32 is provided with a hanging hole for hanging on a wall, and the base 31 is provided with an inserting cavity 311 for inserting and positioning the barrel 32.

The drive structure is arranged in the brush block barrel 3, and the side wall of the brush block barrel 3 is exposed out of the control end side of the drive structure.

The driving structure is a driving part 6 which is restricted in the barrel body 32 of the brush block barrel 3 and can slide up and down, the driving part 6 directly or indirectly keeps moving upwards under the action of an elastic part 10, and the elastic part 10 is a spring which is arranged below the elastic part and keeps moving upwards or a torsion spring which is arranged at the hinged position of the barrel cover 5 and keeps turning upwards. The upper end of the driving part 6 is in transmission connection with the barrel cover 5 through a transmission structure, a convex trigger block 61 is arranged on the driving part 6, and the trigger block 61 is exposed out of the side wall of the barrel body to form the control end; when the trigger block 61 is in a natural state without external force, the driving element 6 moves upwards under the action of the elastic element 10 and drives the barrel cover 5 to turn upwards and open through the transmission structure; under the state that the middle part of the brush holder 1 is clamped on the trigger block 61, the trigger block 61 drives the driving piece 6 to move downwards under the action of gravity of the brush holder 1 and overcome the elasticity of the elastic piece 10, and the driving piece 6 moving downwards drives the barrel cover 5 to be turned downwards and closed through a transmission structure.

The rear part of the barrel body 32 of the brush block barrel 3 is provided with a mounting hole 33 for placing the driving part 6, a notch 331 with a downward opening is arranged on the side wall of the mounting hole 33 so as to expose the trigger block 61, and a rib groove guide structure is arranged between the driving part 6 and the hole wall of the mounting hole 33.

The rear part of the barrel cover 5 is provided with two mounting lugs 51 which are arranged at intervals from front to back, the mounting lugs 51 are hinged on the barrel body 32 of the brush block barrel 3 through a pivot 13, the transmission structure comprises a driving shaft 511 and a linkage groove 62, the driving shaft 511 is arranged on the mounting lugs 51, and the linkage groove 62 is arranged on the driving part 6.

The trigger block 61 is provided with a through hole 611 for the lower end of the brush holder 1 to pass through, the inner peripheral wall of the through hole 611 is provided with an inner convex shoulder blade 612, the peripheral wall of the lower end of the brush holder 1 is provided with a convex outer blocking shoulder 11, and the inner shoulder blade 612 is in contact with the outer blocking shoulder 11 in the state that the brush holder 1 passes through the through hole 611, so that the gravity of the brush holder 1 can drive the driving member 6 to move downwards along with the trigger block 61.

The specific structure of the brush holder in this embodiment is as follows:

the lower end of the brush handle 1 is fixed with a positioning piece 7 made of soft rubber material, the positioning piece 7 is provided with a bayonet 71, the bayonet 71 in the embodiment is in a hole shape, and certainly can be a breathing sheet opening (similar to an extrusion water outlet structure on a farmer spring mineral beverage bottle cover). The film 8 is fixed on the brush block 2, the film 8 is made of hard plastic, the film 8 is provided with a convex insertion part 81, the head part of the insertion part 81 is provided with a clamping head 82 with an increased area, in the process that the insertion part 81 passes through the clamping opening 71, the clamping opening 71 is supported by the clamping head 82 to be larger until the clamping head 82 passes through the clamping opening 71, the clamping opening 71 contracts and resets under the self elastic action, the clamping head 82 is restrained above the clamping opening 71, and the brush block 2 is relatively positioned with the positioning part 7 through the clamping head 82 on the insertion part 81; the brush holder 1 is provided with a trigger part capable of sliding axially, the trigger part directly pushes the chuck 82, and the bayonet 71 is directly extruded and expanded by the chuck 82, so that the chuck 82 downwards passes through the bayonet 71 and then is separated from the positioning part 7.

The trigger part is a push rod 9 which is arranged in the brush handle 1 and can axially slide, the downward movement of the push rod 9 directly pushes the chuck 82 to move downward, a push button 91 is arranged on the push rod 9, and the push button 91 exposes out of the brush handle 1 for a person to operate and push the push rod 9; a return spring 4 which keeps the push rod 9 moving upwards is also arranged in the brush holder 1.

The brush handle is not limited to the above structure, and can be a cleaning brush structure with various detachable brush blocks.

This cleaning means's use:

the opening of the barrel cover 5 and the insertion of the brush handle 1 form linkage operation through a driving structure.

As shown in fig. 1 and 2, in the state that the brush handle 1 passes through the through hole 611 on the trigger block 61, the inner shoulder 612 contacts the outer shoulder 11 so that the gravity of the brush handle 1 can drive the driving member 6 to move down along with the trigger block 61. In the process that the driving part 6 moves downwards, the linkage groove 62 moves downwards to drive the driving shaft 511 to move downwards, so as to drive the lower part of the barrel cover 5 to close the opening of the barrel body 1 of the brush block barrel 3, and the barrel cover 5 is kept at the closing position because the driving part 6 is kept at the downward moving position.

As shown in Figs. 3 and 4, when the brush handle 1 is pulled out from the through hole 611 of the trigger block 61 and is separated from the through hole 611 of the trigger block 61, the inner shoulder blade 612 and the outer shoulder 11 are no longer in contact with each other, and the driving member 6 moves upward under the action of the elastic member 10. During the upward movement of the driving member 6, the linkage groove 62 moves upward to drive the driving shaft 511 to move upward, so that the lid 5 is opened and kept at the opened position.

As shown in fig. 5 and 6, the control end is in a natural state without external force, the driving structure is automatically configured, so that the brush holder 1 can extend into the barrel body 1 of the brush holder barrel 3 to grab the brush block 2, the chuck 82 on the insertion part 81 is aligned with the bayonet 71 and inserted, the bayonet 71 is expanded by the chuck 82 in the process that the insertion part 81 passes through the bayonet 71 until the chuck 82 passes through the bayonet 71, the bayonet 71 is reset under the self elastic action, the aperture of the bayonet 71 is reduced, the chuck 82 is constrained above the bayonet 71, the brush block 2 is relatively positioned with the positioning piece 7 through the chuck 82 on the insertion part 81, the brush holder 1 and the brush block 2 are assembled into a cleaning brush, and the cleaning operation can be performed. After the cleaning brush is used, the push rod 9 is pushed downwards, the downward movement of the push rod 9 pushes the chuck 82 downwards to promote the deformation of the positioning piece 7, so that the chuck 82 reversely (downwards) passes through the bayonet 71 to realize the separation of the brush block 2, and the operation is more convenient and rapid.

The utility model does not need to touch the barrel cover in the whole using process, and is convenient to use, safe and sanitary.

Outside the control end (trigger block 61) of drive structure exposed brush piece bucket, set up more simply, changeing and being triggered and close bung 5 by brush holder 1, just having the malfunctioning condition to take place, because of the lateral wall that brush piece bucket 3 was exposed out to control end (trigger block 61), can not polluted by the dirty water that the brush holder 1 lower extreme drips, can manually trigger.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims

1. A cleaning brush cleaning tool capable of realizing automatic cover turning comprises a brush handle (1) and a brush block barrel (3) used for accommodating a brush block (2), wherein the brush block (2) can be detachably connected with the lower end of the brush handle (1) to form a cleaning brush, and a barrel cover (5) is hinged to the upper end opening of the brush block barrel (3); the method is characterized in that: the barrel cover (5) is connected with a driving structure, and a control end of the driving structure is exposed out of the brush block barrel (3); the driving structure automatically opens the barrel cover (5) under the natural state that the control end is not subjected to external force; under the state that the middle part of the brush holder (1) is connected to the control end, the brush holder (1) triggers the control end of the driving structure under the action of self gravity to close the barrel cover (5).

2. The cleaning tool of the washing brush capable of implementing the automatic lid turning according to claim 1, wherein: the brush block barrel (3) comprises a base (31) and a barrel body (32) provided with a placing cavity (321) for accommodating the brush block (2), wherein the base (31) is provided with an inserting and matching cavity (311) for the barrel body (32) to insert and position.

3. The cleaning tool of the washing brush capable of implementing the automatic lid turning according to claim 1, wherein: the drive structure is arranged in the brush block barrel (3), and the side wall of the brush block barrel (3) is exposed out of the control end side of the drive structure.

4. The cleaning tool of the washing brush capable of realizing the automatic lid turning according to claim 3, wherein: the driving structure is a driving piece (6) which is constrained in the brush block barrel (3) and can slide up and down, the driving piece (6) directly or indirectly keeps moving upwards under the action of an elastic piece (10), the upper end of the driving piece (6) is in transmission connection with the barrel cover (5) through a transmission structure, a convex trigger block (61) is arranged on the driving piece (6), and the trigger block (61) is exposed out of the side wall of the barrel body to form the control end; when the trigger block (61) is in a natural state without external force, the driving piece (6) moves upwards under the action of the elastic piece (10) and drives the barrel cover (5) to turn upwards and open through the transmission structure; the middle of the brush handle (1) is clamped on the trigger block (61), the trigger block (61) drives the driving piece (6) to overcome the elasticity of the elastic piece (10) to move downwards under the action of gravity of the brush handle (1), and the driving piece (6) moving downwards drives the barrel cover (5) to turn downwards to be closed through the transmission structure.

5. The cleaning tool of the washing brush capable of realizing the automatic lid turning according to claim 4, wherein: the elastic piece (10) is a spring which is arranged below the elastic piece and keeps the upward moving trend of the elastic piece, or a torsion spring which is arranged at the hinged position of the barrel cover (5) and keeps the upward turning trend of the barrel cover.

6. The cleaning tool of the washing brush capable of realizing the automatic lid turning according to claim 4, wherein: the rear part of the barrel cover (5) is provided with two mounting lugs (51) which are arranged at intervals from front to back, the mounting lugs (51) are hinged on the brush block barrel (3) through a pivot (13), the transmission structure comprises a driving shaft (511) and a linkage groove (62), the driving shaft (511) is arranged on one of the mounting lugs (51) and the driving piece (6), and the linkage groove (62) is arranged on the other one of the mounting lugs (51) and the driving piece (6).

7. The cleaning tool of the washing brush capable of realizing the automatic lid turning according to claim 4, wherein: the rear portion of brush piece bucket (3) has the confession mounting hole (33) that driving piece (6) were put into, is equipped with breach (331) that the opening is down on the lateral wall of mounting hole (33) for trigger piece (61) reveals, be equipped with muscle groove guide structure between the pore wall of driving piece (6) and mounting hole (33).

8. The cleaning tool of the washing brush capable of realizing the automatic lid turning according to claim 4, wherein: the brush holder is characterized in that a through hole (611) for the lower end of the brush holder (1) to penetrate through is formed in the trigger block (61), an inner convex inner shoulder blade (612) is arranged on the inner peripheral wall of the through hole (611), a convex outer retaining shoulder (11) is arranged on the peripheral wall of the lower end of the brush holder (1), and the inner shoulder blade (612) is in contact with the outer retaining shoulder (11) under the condition that the brush holder (1) penetrates through the through hole (611), so that the gravity of the brush holder (1) can drive the driving piece (6) to move downwards along with the trigger block (61).

9. The cleaning tool of the washing brush capable of implementing the automatic lid turning according to claim 1, wherein: the lower end of the brush handle (1) is fixed with a positioning piece (7) made of a soft rubber material, a bayonet (71) is formed in the positioning piece (7), a rubber sheet (8) is fixed on the brush block (2), a convex insertion part (81) is arranged on the rubber sheet (8), the head of the insertion part (81) is provided with a clamping head (82) with an increased area, the clamping head (82) is expanded by the clamping head (82) in the process that the insertion part (81) passes through the bayonet (71), the bayonet (71) is expanded until the clamping head (82) passes through the bayonet (71), the bayonet (71) is contracted and reset under the elastic action of the clamping head (82), the clamping head (82) is constrained above the bayonet (71), and the brush block (2) is relatively positioned with the positioning piece (7) through the clamping head (82) on the insertion part (81); be equipped with the trigger part that can axial glide on brush holder (1), trigger part directly promotes dop (82) or film (8) or brush piece (2), bayonet socket (71) are directly pushed by dop (82) and are propped greatly for dop (82) pass through downwards behind bayonet socket (71) with setting element (7) break away from.

10. The cleaning tool of the washing brush capable of implementing the automatic lid turning according to claim 9, wherein: the trigger part is a push rod (9) which is arranged in the brush handle (1) and can axially slide, the downward movement of the push rod (9) directly pushes the chuck (82) to move downward, a push button (91) is arranged on the push rod (9), and the push button (91) is exposed out of the brush handle (1) for a person to operate and push the push rod (9); and a return spring (4) which enables the push rod (9) to keep moving upwards is also arranged in the brush handle (1).