Toilet brush with replaceable brush block

Abstract

The present invention relates to a toilet brush with a replaceable brush block, comprising a brush handle (1) and a brush block (2), characterized in that: a suction cup (3) is provided at the lower end of the brush handle (1), and a film (21) is fixed on the top surface of the brush block (2) for convenient adsorption with the suction cup (3). The toilet brush uses the suction cup provided at the lower end of the brush handle to adsorb the film provided on the top surface of the brush block, and the connection between the brush block and the brush handle is achieved through the adsorption of the suction cup. The structure is simpler and does not require a complex claw structure. At the same time, when disengaging, the brush block and the suction cup can be separated by allowing air to enter the inner cavity of the suction cup again. The brush block is easy to disengage, which is conducive to discarding and replacing the brush block. The provision of the film is conducive to adsorption with the suction cup, and the adsorption is more reliable.

Description

Technical Field

[0001] The invention relates to a toilet cleaning tool, in particular to a toilet brush with a replaceable brush block. Background Art

[0002] A toilet (also called a toilet seat) is an indispensable sanitary ware in people's daily life, and a toilet brush is a commonly used toilet cleaning tool, which is usually used in conjunction with a brush block (also called a brush head). The brush block and the brush handle of the current toilet brushes on the market are fixedly connected, and the brush block is reused, which is not conducive to hygiene.

[0003] After investigation, the Chinese utility model patent with patent number CN201821298381.6 (authorization announcement number CN202665419U) discloses a toilet brush with a replaceable brush head, including a brush head and a brush handle, the brush head includes a brush head body, a connecting rod located in the middle of the back of the brush head, the connecting rod is provided with a clamping part, the brush handle includes a rod body and a sliding sleeve, the end of the rod body has a plurality of elastic arms arranged around the connecting rod, the inner surface of the elastic arm has a bite portion corresponding to the clamping part, the outer surface of the elastic arm has a contact portion extending away from the connecting rod, and the sliding sleeve can move between a locking position and an unlocking position along the axis direction of the rod body. The brush head and the brush handle are connected or separated by the sliding sleeve that can move between the locking position and the unlocking position along the axis direction of the rod body, so that the brush head can be removed without touching the brush head, making the toilet brush more convenient and hygienic to use.

[0004] At present, toilet brushes with quick-change brush blocks all use a claw structure to grab the brush block. The claw structure involves multiple transmission parts, has a complex structure, requires high assembly precision, and is difficult to assemble. In addition, the claw structure is easily damaged, resulting in failure to effectively grab and release the brush block. Therefore, the existing toilet brushes with quick-change brush blocks can be further improved. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a toilet brush with a new brush block grabbing structure that is convenient for replacing the brush block in view of the above-mentioned existing technical status, and the structure is more reasonable and simple, the assembly is convenient, and the cost is low.

[0006] The technical solution adopted by the present invention to solve the above technical problems is: a toilet brush with a replaceable brush block, comprising a brush handle and a brush block, characterized in that a suction cup is provided at the lower end of the brush handle, and a film is fixed on the top surface of the brush block for easy adsorption with the suction cup.

[0007] As a further improvement, a joint is provided at the lower end of the brush handle, the suction cup is fixed on the joint, the suction cup is provided with an exhaust hole connected to the inner cavity of the suction cup, the joint is provided with an exhaust channel connected to the exhaust hole, and also includes a movable plug that can block the exhaust port of the exhaust channel, and the movement of the plug can determine whether it blocks the exhaust port of the exhaust channel. This structural design can quickly replace the brush block. When in use, first move the plug to the position of blocking the exhaust port of the exhaust channel, press the suction cup to the film, and the air in the inner cavity of the suction cup is discharged. Under the action of atmospheric pressure, the suction cup can suck the brush block; after use, the plug moves to the exhaust port position away from the exhaust channel, the inner cavity of the suction cup is connected to the outside world, the suction cup no longer sucks the brush block, and the brush block is separated from the suction cup.

[0008] Preferably, the joint is plugged into the lower port of the brush handle, the plug is disposed in the brush handle and can slide axially, the plug can block the exhaust port of the exhaust channel when it moves axially downward, and the plug can open the exhaust port of the exhaust channel when it moves axially upward. This structure blocks the exhaust port of the exhaust channel by the axial sliding of the plug in the brush handle, which is conducive to the layout and control of the sliding of the plug.

[0009] As an improvement, the upper end of the joint is provided with a concave receiving cavity for inserting the plug, the exhaust port of the exhaust channel is connected to the bottom surface of the receiving cavity, and after the plug enters the receiving cavity, the outer periphery of the plug cooperates with the receiving cavity to form a seal. The provision of the receiving cavity enables the plug to better seal the exhaust port of the exhaust channel, with a better sealing effect and enhanced suction force of the suction cup.

[0010] In order to further enhance the effect of the plug in blocking the exhaust passage, the lower end of the plug is in a pointed cone shape, and the pointed cone portion of the plug can be inserted into the exhaust port of the exhaust passage.

[0011] In order to facilitate the sliding operation of the plug, a pull rod capable of axial sliding is provided in the brush handle. The plug is fixed at the lower end of the pull rod. The pull rod is kept moving downward to block the exhaust port of the exhaust channel by the action of a spring. A handle is provided on the pull rod, which reveals the brush handle for people to operate and pull up the pull rod. In addition, under the action of the spring, the plug keeps blocking the exhaust port of the exhaust channel under normal conditions. The pull rod needs to be operated only when the brush block is to be replaced or discarded. This design is more reasonable.

[0012] As an improvement, the pull rod is constrained in the brush handle by the rib groove limiting structure and can only slide axially, ensuring that the pull rod slides smoothly and is not prone to shaking.

[0013] To facilitate assembly, the brush handle is tubular, the upper opening of the brush handle is provided with a plug for sealing, and the spring is arranged between the pull rod and the plug.

[0014] For easy holding, an extension handle is sleeved on the upper end of the brush handle.

[0015] As an improvement, the plug is provided with an elastic buckle, the upper end of the brush handle is provided with a first bayonet, the extension handle is provided with a second bayonet, and the clamping block of the elastic buckle is clamped into the first bayonet and the second bayonet in sequence, so as to connect the plug, the brush handle and the extension handle together. This structure can connect the three parts together through the plug, has a simple structure and is easy to assemble.

[0016] Compared with the prior art, the advantages of the present invention are: the toilet brush absorbs the film arranged on the top surface of the brush block through the suction cup arranged at the lower end of the brush handle, and the connection between the brush block and the brush handle is realized through the adsorption of the suction cup. The structure is simpler and no complicated claw structure is required. At the same time, when detaching, the brush block and the suction cup can be detached by allowing air to enter the inner cavity of the suction cup again. The brush block is easy to detach, which is conducive to discarding and replacing the brush block. The setting of the film is conducive to adsorption with the suction cup, and the adsorption is more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention (the brush block and the brush handle are connected);

[0018] Figure 2 is a cross-sectional view of an embodiment of the present invention;

[0019] Figure 3 It is a three-dimensional structural diagram of an embodiment of the present invention (brush block detached state);

[0020] Figure 4 It is a three-dimensional exploded view of an embodiment of the present invention. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below with reference to the accompanying drawings.

[0022] like Figures 1 to 4 Shown is a preferred embodiment of the present invention.

[0023] A toilet brush with a replaceable brush block comprises a brush handle 1 and a brush block 2. A suction cup 3 is provided at the lower end of the brush handle 1. The suction cup 3 is a plastic suction cup with a bowl-shaped cross section. A film 21 is fixed on the top surface of the brush block 2 for easy adsorption with the suction cup 3. The film 21 is made of hard plastic. The brush block 2 can be a sponge brush or a brush block made of other materials currently available on the market.

[0024] The brush handle 1 is tubular, and a joint 4 is provided at the lower end of the brush handle 1. The joint 4 can be designed as a universal joint. The joint 4 is plugged into the lower end of the brush handle 1, and the suction cup is embedded in the joint 4. The lower end of the joint 4 is bent to a certain extent. The suction cup 3 is provided with an exhaust hole 31 connected to the suction cup inner cavity 32, and the joint 4 is provided with an exhaust channel 41 connected to the exhaust hole.

[0025] It also includes a movable plug 5 that can block the exhaust port of the exhaust channel 41 . The movement of the plug 5 can determine whether it blocks the exhaust port of the exhaust channel 41 .

[0026] The plug 5 in this embodiment is arranged in the brush handle 1 and can slide axially. The plug 5 can block the exhaust port of the exhaust channel 41 when it moves axially downward, and open the exhaust port of the exhaust channel 41 when it moves axially upward.

[0027] The upper end of the joint 4 is provided with a concave accommodating cavity 42 for inserting the plug, the exhaust port of the exhaust channel 41 is connected to the bottom surface of the accommodating cavity 42, and after the plug 5 enters the accommodating cavity 42, the outer periphery of the plug cooperates with the accommodating cavity 42 to form a seal.

[0028] The lower end of the plug 5 is in a pointed cone shape, and the pointed cone portion of the plug 5 can be inserted into the exhaust port of the exhaust passage 41 .

[0029] A pull rod 6 capable of axial sliding is provided in the brush handle 1. The pull rod 6 is constrained in the brush handle 1 by a rib groove limiting structure and can only slide axially. The plug 5 is a soft rubber plug, which is sleeved and fixed on the lower end of the pull rod 6. The pull rod 6 is kept moving downward to block the exhaust port of the exhaust channel 41 by the action of a spring 7. A handle 61 is provided on the pull rod 6, and the handle 61 exposes the brush handle 1 for a person to operate and pull up the pull rod 6. The upper end opening of the brush handle 1 is sealed with a plug 8, and the spring 7 is provided between the pull rod 6 and the plug 8.

[0030] The upper end of the brush handle 1 is also sleeved with an extension handle 9. The plug 8 is provided with an elastic buckle 81, the upper end of the brush handle 1 is provided with a first bayonet 11, and the extension handle 9 is provided with a second bayonet 91, and the card block of the elastic buckle 81 is sequentially inserted into the first bayonet 11 and the second bayonet 91, thereby connecting the plug 8, the brush handle 1 and the extension handle 9 together.

[0031] Working principle of the toilet brush with replaceable brush block in this embodiment:

[0032] When the toilet brush is needed, the plug 5 always keeps moving down to block the exhaust port of the exhaust channel 41 under the action of the spring 7. Hold the brush handle 1, align the suction cup 3 with the film 21 of the brush block and press down to discharge the air in the suction cup 3. Under the action of atmospheric pressure, the brush block 2 is firmly adsorbed on the suction cup 3. The brush handle 1 and the brush block 2 are assembled into a toilet brush, and the toilet can be cleaned.

[0033] After using the toilet brush, push the handle 61 upward, the pull rod 6 moves axially upward, and the plug 5 moves axially upward with the pull rod to open the exhaust port of the exhaust channel 41, and air enters the suction cup 3. The suction cup 3 no longer absorbs the brush block 2, and the brush block 2 falls off, waiting for the next absorption of a new brush block 2.

[0034] It should be noted that in the description of this embodiment, the terms "front, back", "left, right", "up, down", etc. indicating directions or positional relationships are all based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

Claims

1. A toilet brush with a replaceable brush block, comprising a brush handle (1) and a brush block (2), characterized in that: The lower end of the brush handle (1) is provided with a suction cup (3), and the top surface of the brush block (2) is fixed with a film (21) that is convenient for adsorption with the suction cup (3); The lower end of the brush handle (1) is provided with a joint (4), the suction cup is fixed on the joint (4), the suction cup (3) is provided with an exhaust hole (31) connected to the inner cavity (32) of the suction cup, the joint (4) is provided with an exhaust channel (41) connected to the exhaust hole, and also includes a plug (5) that can be moved to block the exhaust port of the exhaust channel (41), and the movement of the plug (5) can determine whether it blocks the exhaust port of the exhaust channel (41); The connector (4) is plugged into the lower port of the brush handle (1); the plug (5) is arranged in the brush handle (1) and can slide axially; the plug (5) can block the exhaust port of the exhaust channel (41) when it moves axially downward; and the plug (5) can open the exhaust port of the exhaust channel (41) when it moves axially upward; The upper end of the joint (4) is provided with a recessed receiving chamber (42) for inserting a plug, the exhaust port of the exhaust channel (41) is communicated with the bottom surface of the receiving chamber (42), and after the plug (5) enters the receiving chamber (42), the outer periphery of the plug cooperates with the receiving chamber (42) to form a seal; the lower end of the plug (5) is in the shape of a pointed cone, and the pointed cone of the plug (5) can be inserted into the exhaust port of the exhaust channel (41); a pull rod (6) capable of axial sliding is provided in the brush handle (1), the plug (5) is fixed to the lower end of the pull rod (6), and the pull rod (6) is kept in a downward movement by the action of a spring (7) to seal the exhaust port of the exhaust channel (41), and a handle (61) is provided on the pull rod (6), and the handle (61) reveals the brush handle (1) for a person to operate and pull up the pull rod (6).

2. The toilet brush with replaceable brush block according to claim 1, characterized in that: The pull rod (6) is constrained in the brush handle (1) by a rib-groove limiting structure and can only slide axially.

3. The toilet brush with replaceable brush block according to claim 1, characterized in that: The brush handle (1) is tubular, and the upper opening of the brush handle (1) is provided with a plug (8) for sealing, and the spring (7) is arranged between the pull rod (6) and the plug (8).

4. The toilet brush with replaceable brush block according to claim 3, characterized in that: The upper end of the brush handle (1) is also sleeved with an extension handle (9).

5. The toilet brush with replaceable brush block according to claim 4, characterized in that: The plug (8) is provided with an elastic buckle (81), the upper end of the brush handle (1) is provided with a first buckle opening (11), the extension handle (9) is provided with a second buckle opening (91), and the clamping block of the elastic buckle (81) is clamped into the first buckle opening (11) and the second buckle opening (91) in sequence, thereby connecting the plug (8), the brush handle (1) and the extension handle (9) together.

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