A toilet brush device with replaceable brush head

Abstract

The present invention relates to a toilet brush device with replaceable brush heads, comprising a brush head storage bucket and a cleaning brush handle, wherein a bucket cover is hingedly connected to an upper end of the brush head storage bucket, a receiving cavity or a placing bucket for the cleaning brush handle is arranged on the side of the brush head storage bucket, a bucket cover opening mechanism with a linkage structure is arranged between the bucket cover, a seat and the receiving cavity or the placing bucket, a control end of the bucket cover opening mechanism is arranged in the receiving cavity of the handle fixing seat, after the cleaning brush handle is placed in the receiving cavity or the placing bucket, the cleaning brush handle squeezes the control end of the bucket cover opening mechanism to close the bucket cover, and the cleaning brush handle When the brush is pulled out from the accommodating cavity or the storage bucket, the bucket cover is automatically opened by the action of the bucket cover opening mechanism; the linkage between the cleaning brush handle and the bucket cover is realized; the replaceable brush heads of the present invention are stacked up and down in a brush head storage bucket, a brush handle fixing seat is provided on the side of the brush head storage bucket, and a linkage mechanism is provided between the brush handle fixing seat and the bucket cover, once the brush handle leaves the brush handle fixing seat, the bucket cover is automatically opened to facilitate the brush handle to grab the brush head, and the brush head of the present invention can be grabbed and thrown away by pulling a button, and the invention has the characteristics of reasonable structure, convenient use, safety and hygiene.

Description

Technical Field

[0001] The invention relates to a sanitary ware, in particular to a toilet brush device with a replaceable brush head. Background Art

[0002] Existing toilet brushes usually include a handle and a brush head. After each use, the brush head needs to be cleaned and then the toilet brush is placed back on the toilet brush base. Sometimes, the base is not cleaned and is directly placed back on the base. Although it is cleaned, a large number of bacteria will still breed on the base and the brush head for a long time, so it is easy to smell and is quite unhygienic.

[0003] In addition, there are toilet brushes with replaceable brush heads. The brush heads are discarded after each use, and the brush handles are reusable. However, the brush heads need to be installed manually each time, which is inconvenient and unhygienic. Summary of the invention

[0004] The object of the present invention is to provide a toilet brush device with replaceable brush heads. The replaceable brush heads are stacked and placed in a brush head storage bucket. A accommodating cavity or a placing bucket for a cleaning brush handle is provided on the side of the bucket body. A linkage mechanism of a bucket cover opening mechanism is provided between the accommodating cavity or the placing bucket of the cleaning brush handle and the bucket cover of the brush head storage bucket. Once the cleaning brush handle leaves the accommodating cavity or the placing bucket, the bucket cover automatically opens to facilitate the cleaning brush handle to grab the brush head. The cleaning brush handle of the present invention can be grabbed and thrown away by pulling a button. The invention has the characteristics of reasonable structure, easy use, safety and hygiene.

[0005] To achieve the above purpose, the following technical solutions are adopted:

[0006] A toilet brush device with a replaceable brush head, characterized in that it includes a cleaning brush handle, a barrel body and / or a base body, a brush head storage barrel and a accommodating chamber or a placement barrel for the cleaning brush handle are provided on the barrel body and / or the base body, a barrel cover is hingedly connected to the upper end of the brush head storage barrel, the barrel cover is connected to a barrel cover opening mechanism, a control end of the barrel cover opening mechanism is provided in the accommodating chamber or the storage barrel, and the barrel cover opening mechanism automatically opens the barrel cover in a natural state without force; the cleaning brush handle is placed in the accommodating chamber or the placement barrel to squeeze the control end of the barrel cover opening mechanism to close the barrel cover, and the end of the cleaning brush handle is provided with a connector connected to the brush head.

[0007] A connecting seat is provided on the top of the seat body, the brush head storage bucket is sleeved on the connecting seat, the accommodating chamber is provided on the top of the seat body and located beside the connecting seat, the barrel cover opening mechanism is provided inside the seat body and the brush head storage bucket, the barrel cover opening mechanism includes a connecting rod and a lifting mechanism, the barrel cover is connected to the lifting mechanism through a connecting rod; the control end of the lifting mechanism is located in the accommodating chamber, and the lifting mechanism lifts the connecting rod in a non-stressed natural state to open the barrel cover.

[0008] The lifting mechanism includes a lifting plate, one end of which is hinged on the seat body, and the free end of the lifting plate is in the accommodating cavity. A tension spring or spring is arranged between the hinge part and the free end of the lifting plate, and the tension spring or spring exerts a force on the lifting plate to rotate upward. The upper end of the connecting rod is connected to the barrel cover, and the lower end of the connecting rod is connected to the lifting plate.

[0009] The brush head storage barrel includes a double-layer structure of an outer barrel and an inner barrel, and a partition is formed between the inner barrel and the outer barrel; the size of the inner barrel matches the size of the brush head, and the connecting rod includes a longitudinal part and a transverse part. The longitudinal part passes through the partition from bottom to bottom, is bent to form a transverse part, and passes through the bottom of the inner barrel to connect with the lifting plate.

[0010] A connecting cavity is arranged on the seat body, and the brush head storage bucket is inserted into the connecting cavity; and the accommodating cavity is located beside the connecting cavity.

[0011] The barrel cover opening mechanism includes a longitudinal connecting rod and a lever mechanism. The middle part of the lever mechanism is pivotally connected to the base body. The two ends of the lever mechanism are respectively a lifting part and a control part. A spring is arranged between the lifting part and the base body. The lifting part is also connected to the lower end of the longitudinal connecting rod. The upper end of the longitudinal connecting rod is connected to the barrel cover. The spring applies a downward force to the lifting part and pulls down the longitudinal connecting rod to automatically open the barrel cover. The control part extends to one side of the accommodating cavity of the base, and the end of the control part extends through the side wall of the accommodating cavity into the accommodating cavity. When the cleaning brush handle is placed in the accommodating cavity, the cleaning brush handle presses down the control part to make the lifting part tilt upward and push up the longitudinal connecting rod to close the barrel cover.

[0012] A collecting bucket, a brush head storage bucket and a cleaning brush handle placement bucket are arranged in the barrel body, and the upper ports of the collecting bucket and the brush head storage bucket are respectively provided with a collecting bucket cover and a bucket cover.

[0013] The barrel body includes a main body and an upper seat, and three ports are opened on the upper seat, and the three ports are respectively connected to the collection barrel, the brush head storage barrel and the placement barrel. The collection barrel cover and the barrel cover are respectively hinged at the corresponding ports of the collection barrel and the brush head storage barrel.

[0014] The barrel cover opening mechanism includes a connecting rod and a pop-up mechanism. The pop-up mechanism applies an automatic opening force to the barrel cover. The upper end of the connecting rod is movably connected to the barrel cover. A transverse rod is provided at the lower end of the connecting rod. A guide groove is provided on the barrel wall at the lower part of the placement barrel. The transverse rod passes through the guide groove. When the cleaning brush handle is placed in the placement barrel, the transverse rod is squeezed to move downward along the guide groove. The transverse rod pulls down the barrel cover through the connecting rod so that the barrel cover compresses the pop-up mechanism to close the brush head storage barrel port.

[0015] A limiting mechanism is arranged between the cleaning brush handle and the inner wall of the accommodating cavity or the placement bucket; the limiting mechanism includes a limiting groove and an elastic convex rib; the limiting groove and the elastic convex rib are respectively arranged on the inner wall of the accommodating cavity or the placement bucket and the surface of the cleaning brush handle, and when the cleaning brush handle is placed in place, the limiting groove and the elastic convex rib cooperate with each other, so that the cleaning brush handle maintains the force on the control end of the bucket cover opening mechanism.

[0016] The cleaning brush handle comprises a handle body and a connecting head, a cavity inside the handle body, and the connecting head is arranged at the lower end of the cavity inside the handle body. A connecting rod is arranged inside the cavity of the handle body, the upper end of the connecting rod is connected to the pull button, and the lower end of the connecting rod is arranged with a connecting sleeve. The connecting head comprises a left clamping plate and a right clamping plate. The middle parts of the left and right clamping plates are hinged to the handle body or hinged to each other. A torsion spring or spring is arranged between the left and right clamping plates. In the initial state, the torsion spring or spring closes the clamping parts at the lower ends of the left and right clamping plates. A driving part is arranged on the upper parts of the left and right clamping plates. The driving part cooperates with the connecting sleeve. The connecting sleeve slides downward to bring the driving part together and open the clamping part.

[0017] The present invention is designed with a accommodating chamber or a placing bucket with a cleaning brush handle and a brush head storage bucket. Replaceable brush heads are stacked up and down in the brush head storage bucket. The accommodating chamber or the placing bucket is used to plug in the cleaning brush handle, and a bucket cover opening mechanism is arranged between the bucket cover of the brush head storage bucket and the accommodating chamber or the placing bucket. The bucket cover opening mechanism is linked with the cleaning brush handle in the accommodating chamber or the placing bucket. When the cleaning brush handle is inserted into the accommodating chamber or the placing bucket, the control end of the bucket cover opening mechanism is pressed down, and the bucket cover opening mechanism drives the bucket cover to close automatically. When the cleaning brush handle is pulled out, the bucket cover is automatically opened under the action of the bucket cover opening mechanism, so that it is convenient for the cleaning brush handle to grab the brush head in the bucket. At the same time, after use, the used brush head can be discarded by pulling the button, and then the cleaning brush handle can be inserted back into the handle fixing seat. During the whole use process of the present invention, the hands do not need to touch the brush head storage bucket and the brush head, which is safer and more hygienic. Therefore, the present invention has the characteristics of reasonable structure, convenient use, safety and hygiene. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of implementation mode 1 of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of Embodiment 1 of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of pulling out the cleaning brush handle in Embodiment 1 of the present invention;

[0021] Figure 4 This is a schematic diagram of the internal structure of the cleaning brush handle when the cleaning brush handle is pulled out in Embodiment 1 of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure of the cleaning brush handle grabbing the brush head in Embodiment 1 of the present invention;

[0023] Figure 6 This is a schematic diagram of the exploded structure of the base and the brush head storage bucket in Embodiment 1 of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the cleaning brush handle of the present invention;

[0025] Figure 8 This is a schematic diagram of the side structure of the cleaning brush handle of the present invention (I);

[0026] Fig. 9 This is a schematic diagram of the side structure of the cleaning brush handle of the present invention (II);

[0027] Fig.10 For the present invention Figure 8 Middle AA section view;

[0028] Fig.11 For the present invention Fig. 9 Middle BB section view;

[0029] Fig.12 This is a schematic diagram of the internal structure of the cleaning brush handle of the present invention;

[0030] Fig.13 This is a schematic diagram of the structure of Embodiment 2 of the present invention (I)

[0031] Fig.14 This is a schematic diagram of the structure of Embodiment 2 of the present invention (II)

[0032] Fig.15 This is a schematic diagram of the coordination between the brush head storage bucket and the cleaning brush handle in Embodiment 2 of the present invention;

[0033] Fig.16 This is a structural schematic diagram of pulling out the cleaning brush handle in Embodiment 2 of the present invention;

[0034] Fig.17 This is a schematic structural diagram of a seat body according to Embodiment 2 of the present invention;

[0035] Fig.18 This is a schematic diagram of the structure of Embodiment 3 of the present invention (I)

[0036] Fig.19 This is a structural schematic diagram of pulling out the cleaning brush handle in Embodiment 3 of the present invention;

[0037] Fig. 20 This is a schematic diagram of the structure of opening the collection bucket cover in Embodiment 3 of the present invention;

[0038] Fig.21 Schematic diagram of the internal structure of implementation mode 3 of the present invention;

[0039] Fig. 22 This is a schematic diagram of the internal structure of the cleaning brush handle when the cleaning brush handle is pulled out in Embodiment 3 of the present invention;

[0040] Fig.23 This is a schematic diagram of the lateral internal structure of the cleaning brush handle when it is pulled out in Embodiment 3 of the present invention (I);

[0041] Fig.24 This is a schematic diagram of the lateral internal structure of the cleaning brush handle when it is pulled out according to embodiment 3 of the present invention (II). DETAILED DESCRIPTION

[0042] Embodiment 1:

[0043] like Figure 1-12 As shown, a toilet brush device with replaceable brush heads comprises a cleaning brush handle 2 and a base body 1, a brush head storage bucket 11 and a accommodating chamber 12 for the cleaning brush handle are arranged on the base body 1, a barrel cover 3 is hinged at the upper end of the brush head storage bucket 11, the barrel cover 3 is connected to a barrel cover opening mechanism, a connecting seat 13 is arranged on the top of the base body 1, the brush head storage bucket 11 is sleeved at the connecting seat 13, the accommodating chamber 12 is arranged on the top of the base body 1 and is located beside the connecting seat 13, the barrel cover opening mechanism is arranged inside the base body 1 and the brush head storage bucket 11, the barrel cover opening mechanism comprises a connecting rod 5 and a lifting mechanism, the control end of the lifting mechanism is located in the accommodating chamber, the barrel cover 3 is connected to the brush head storage bucket through a connecting rod 5 The lifting mechanism at the bottom is connected; the lifting mechanism lifts the connecting rod to open the barrel cover in a non-stressed natural state; the lifting mechanism includes a lifting plate 61, one end of the lifting plate 61 is hinged on the seat body 1, and the free end 62 of the lifting plate 61 is in the accommodating cavity 12. A tension spring 63 is arranged between the hinge part and the free end of the lifting plate 61, and the tension spring 63 applies a force to the lifting plate 61 to rotate upward. The upper end of the connecting rod 5 is connected to the barrel cover, and the lower end of the connecting rod is connected to the lifting plate; the end of the cleaning brush handle 2 is provided with a connecting head 22 connected to the brush head; when the cleaning brush handle 2 is placed in the accommodating cavity 12, the free end 62 is squeezed, and the free end 62 is the control end of the barrel cover opening mechanism, and the barrel cover is closed.

[0044] The brush head storage barrel 11 includes a double-layer structure of an outer barrel 111 and an inner barrel 112, and a partition is formed between the inner barrel 111 and the outer barrel 112; the size of the inner barrel 112 matches the size of the brush head 7, and the connecting rod 5 includes a longitudinal portion 51 and a transverse portion 52. The longitudinal portion 111 passes through the partition from top to bottom, is bent to form the transverse portion 52, and passes through the bottom of the inner barrel 112 to connect with the lifting plate 61.

[0045] The cleaning brush handle 2 comprises a handle body 21 and a connecting head 22. The handle body 21 has an internal cavity, and the connecting head 22 is arranged at the lower end of the internal cavity of the handle body 21. A connecting rod 3 is arranged inside the cavity of the handle body 21. The upper end of the connecting rod 3 is connected to the pull button 24, and a connecting sleeve 25 is arranged at the lower end of the connecting rod 3. The connecting head 22 comprises a left clamping plate 221 and a right clamping plate 222. The middle parts of the left and right clamping plates are pivotally connected to the lower end of the handle body 21. A torsion spring or spring is arranged between the left and right clamping plates. In the initial state, the torsion spring or spring makes the clamping parts 223 at the lower ends of the left and right clamping plates closed. A driving part 224 is arranged on the upper parts of the left and right clamping plates. The driving part 224 cooperates with the connecting sleeve 25. The connecting sleeve 25 slides downward to put the driving part 224 together and open the clamping part 223.

[0046] When the present invention is in use, the cleaning brush handle 2 is pulled out from the accommodating cavity 12. At this time, the pressure applied to the free end 62 of the lifting plate is released, and the lifting plate 61 is lifted upward under the action of the tension spring 63. The lifting plate 61 pushes open the barrel cover 3 through the connecting rod 5. At this time, the cleaning brush handle 2 can be easily inserted into the inner barrel 112, and the connecting head 22 is pressed down with the connecting end of the brush head. The connecting head 22 is automatically opened by the force to clamp the brush head.

[0047] After use, the push button 24 of the pushing mechanism is used, and then the connecting rod 23 is used. The connecting rod 23 cooperates with the driving part 224 of the connecting head 22 through the connecting sleeve 25, and the connecting sleeve 25 moves downward to open the clamping part 223. The brush head automatically falls under the action of gravity, and then the end of the cleaning brush handle 2 is inserted into the accommodating cavity 12. The cleaning brush handle 2 presses down the lifting plate 61, and the connecting rod 5 moves down accordingly, and the barrel cover 3 is closed again; the whole process of taking the cleaning brush handle, grabbing and discarding the brush head, and opening and closing the barrel cover of the present invention only needs to hold the cleaning brush handle to complete, and there is no need to manually install the brush head and open the barrel cover. A disposable disposable brush head is used, which is safer and more hygienic. A number of brush heads are pre-installed in the brush head storage barrel. The barrel cover is linked with the extraction and placement of the cleaning brush handle, which is more convenient to use and can ensure hand hygiene throughout the whole process; the present invention has the characteristics of reasonable structure, easy use, safety and hygiene.

[0048] Implementation 2:

[0049] As shown in FIGS. 13-17 , a toilet brush device with a replaceable brush head includes a cleaning brush handle 2 and a base body 1. A connecting cavity 14 and a containing cavity 12 are provided on the base body 1. A brush head storage bucket 11 is inserted into the connecting cavity 14. The containing cavity 12 is located beside the connecting cavity 14. A barrel cover 3 is hinged at the upper end of the brush head storage bucket 11. The barrel cover 3 is connected to a barrel cover opening mechanism. The barrel cover opening mechanism includes a longitudinal connecting rod 81 and a lever mechanism 82. The middle part of the lever mechanism 82 is pivotally connected to the base body 1. The two ends of the lever mechanism 82 are a lifting part 83 and a control part 84, respectively. A spring 85 is arranged between the lifting part 83 and the base body 1. The lifting part 83 is also connected to the lower end of the longitudinal connecting rod 81. The upper end of the longitudinal connecting rod 81 is connected to the barrel cover 3. The spring 85 applies a downward force to the lifting part 83 and pulls down the longitudinal connecting rod 81 to open the barrel cover 3. The control part 84 extends toward one side of the accommodating cavity 12 of the base 1. The end of the control part 84 extends through the side wall of the accommodating cavity 12 into the accommodating cavity 12. When the cleaning brush handle 2 is placed in the accommodating cavity 12, the cleaning brush handle 2 presses down the control part 84 to make the lifting part 83 tilt upward and push up the longitudinal connecting rod 81 to close the barrel cover 3.

[0050] The structure of the present invention is a simple structure. The volume of the brush head storage bucket 11 and the base body is smaller. The brush head storage bucket 11 can be separated from the base body 1, occupies a small volume, is usually made of plastic material, has a low cost, and is designed for consumers with high cost-effectiveness requirements and small households. The cleaning brush handle 2 is connected and linked to the bucket cover 3 through the lever mechanism 82 and the longitudinal connecting rod 81. The bucket cover automatically opens when the cleaning brush handle 2 is pulled out, and the bucket cover automatically closes when the cleaning brush handle 2 is put back into the accommodating chamber 12. The method of use is the same as that in embodiment 1 and will not be repeated here.

[0051] Implementation 3:

[0052] like Figure 18-24As shown, a toilet brush device with replaceable brush heads comprises a cleaning brush handle 2 and a barrel body 9, wherein a collecting barrel 91, a brush head storage barrel 11 and a placement barrel 92 for the cleaning brush handle 2 are arranged in the barrel body 9, the barrel body 9 comprises a main body and an upper seat 901, and three ports are opened on the upper seat 901, and the three ports are respectively connected to the collecting barrel 91, the brush head storage barrel 11 and the placement barrel 92, and the collecting barrel cover 93 and the barrel cover 3 are respectively hinged at the corresponding ports of the collecting barrel 91 and the brush head storage barrel 11; the barrel cover 3 is connected to a barrel cover opening mechanism, and the barrel cover opening mechanism comprises a linkage rod 95 and The pop-up mechanism 94 is arranged on the brush head storage barrel 11, and the pop-up mechanism 94 applies an automatic opening force to the barrel cover 3. The upper end of the connecting rod 95 is movably connected to the barrel cover 3, and the lower end of the connecting rod 95 is provided with a transverse rod 96. A guide groove 97 is opened on the barrel wall at the lower part of the placement barrel 92. The transverse rod 96 passes through the guide groove 97. When the cleaning brush handle 2 is placed in the placement barrel 92, the transverse rod 96 is squeezed to move downward along the guide groove 97. The transverse rod 96 pulls down the barrel cover 3 through the connecting rod 95 so that the barrel cover 3 compresses the pop-up mechanism 94 to close the port of the brush head storage barrel 11.

[0053] A limiting mechanism is provided between the cleaning brush handle 2 and the inner wall of the placement bucket 92; the limiting mechanism includes a limiting groove 98 and an elastic convex rib 28; the limiting groove 98 and the elastic convex rib 28 are respectively provided on the side wall of the placement bucket 92 and the surface of the cleaning brush handle 2, and when the cleaning brush handle 2 is placed in place, the limiting groove 98 and the elastic convex rib 28 cooperate with each other, so that the cleaning brush handle 2 maintains the force on the transverse rod 96 at the control end of the bucket cover opening mechanism.

[0054] In this embodiment, the collection bucket cover 93 at the upper end of the collection bucket 91 is an induction bucket cover. The hinged part of the collection bucket cover 93 is provided with an electric drive device, and the electric drive device is circuit-connected with the induction probe 90 on the top surface of the collection bucket 91. The electric drive device is powered by a battery, and the battery is arranged in a battery box. The battery box is arranged on the side of the brush head storage bucket 11. When the bucket cover 3 is closed, the cover of the battery box will be covered at the same time.

[0055] In addition, the present invention is provided with an ultraviolet ozone lamp inside the collecting barrel cover 93, and the ultraviolet ozone lamp can sterilize the garbage in the collecting barrel through the grid 99 at the bottom of the collecting barrel cover 93.

[0056] This embodiment combines the brush head storage bucket 11 and the placement bucket 92 with the function of a trash can. The collection bucket 91 is used to collect discarded first-time brush heads, and can also collect other garbage. The sensing bucket lid is opened without contact operation, and the bucket lid 3 and the cleaning brush handle 2 are linked to ensure convenient, safe and hygienic operation during use. A limiting mechanism is set between the cleaning brush handle 2 and the inner wall of the placement bucket 92 mainly to prevent the cleaning brush handle 2 from being too heavy to ensure that the bucket lid is lifted up to overcome the force of the pop-up mechanism 94, thereby ensuring the reliability of the linkage mechanism.

[0057] The barrel cover opening mechanism of the present invention is not limited to the above three embodiments. Other similar structures such as: the barrel cover 3 is opened electrically, the control button of the electric opening mechanism is arranged in the accommodating cavity or the placement barrel, or other linkage mechanisms for realizing the cleaning brush handle 2 and the barrel cover 3 should also fall within the protection scope of the present invention.

Claims

1. A toilet brush device with a replaceable brush head, characterized in that: The cleaning brush comprises a cleaning brush handle (2), a barrel body or a base body, a brush head storage barrel (11) and a storage chamber or a placement barrel for the cleaning brush handle (2) are arranged on the barrel body or the base body, a barrel cover (3) is hingedly connected to the upper end of the brush head storage barrel (11), the barrel cover (3) is connected to a barrel cover opening mechanism, a control end of the barrel cover opening mechanism is arranged in the storage chamber or the storage barrel, and the barrel cover opening mechanism automatically opens the barrel cover when the control end is in a natural state without force; the cleaning brush handle (2) is placed in the storage chamber or the placement barrel to squeeze the control end of the barrel cover opening mechanism to close the barrel cover, and the end of the cleaning brush handle (2) is provided with a connector (22) connected to the brush head; A connecting seat (13) is arranged on the top of the seat body (1), the brush head storage bucket (11) is sleeved on the connecting seat (13), the accommodating chamber (12) is arranged on the top of the seat body (1) and is located beside the connecting seat (13), the bucket cover opening mechanism is arranged inside the seat body (1) and the brush head storage bucket (11), the bucket cover opening mechanism comprises a connecting rod (5) and a lifting mechanism, and the bucket cover is connected to the lifting mechanism via a connecting rod (5); the control end of the lifting mechanism is located in the accommodating chamber (12), and the lifting mechanism lifts the connecting rod (5) in a non-stressed natural state and opens the bucket cover; The lifting mechanism comprises a lifting plate (61), one end of the lifting plate (61) is hinged on the base body, the free end (62) of the lifting plate (61) is located in the accommodating cavity (12), a tension spring (63) or a spring is arranged between the hinged portion and the free end (62) of the lifting plate (61), the tension spring (63) or the spring exerts a force on the lifting plate (61) to rotate upward, the upper end of the connecting rod (5) is connected to the barrel cover (3), and the lower end of the connecting rod (5) is connected to the lifting plate (61); The brush head storage barrel comprises a double-layer structure of an outer barrel (111) and an inner barrel (112), wherein a partition is formed between the inner barrel (112) and the outer barrel (111); the size of the inner barrel (112) matches the size of the brush head (7); the connecting rod (5) comprises a longitudinal portion (51) and a transverse portion (52); the longitudinal portion (51) passes through the partition from top to bottom, is bent to form the transverse portion (52) and passes through from below the inner barrel (112) to be connected to the lifting plate (61); A limiting mechanism is provided between the cleaning brush handle (2) and the inner wall of the accommodating chamber (12) or the placement bucket (92); the limiting mechanism comprises a limiting groove (98) and an elastic convex rib (28); the limiting groove (98) and the elastic convex rib (28) are respectively provided on the side wall of the accommodating chamber (12) or the placement bucket (92) and the surface of the cleaning brush handle (2); when the cleaning brush handle (2) is placed in place, the limiting groove (98) and the elastic convex rib (28) cooperate with each other, so that the cleaning brush handle (2) maintains the force acting on the control end of the opening mechanism of the bucket cover (3).

2. A toilet brush device with a replaceable brush head, characterized in that: The cleaning brush comprises a cleaning brush handle (2), a barrel body or a base body, a brush head storage barrel (11) and a storage chamber or a placement barrel for the cleaning brush handle (2) are arranged on the barrel body or the base body, a barrel cover (3) is hingedly connected to the upper end of the brush head storage barrel (11), the barrel cover (3) is connected to a barrel cover opening mechanism, a control end of the barrel cover opening mechanism is arranged in the storage chamber or the storage barrel, and the barrel cover opening mechanism automatically opens the barrel cover when the control end is in a natural state without force; the cleaning brush handle (2) is placed in the storage chamber or the placement barrel to squeeze the control end of the barrel cover opening mechanism to close the barrel cover, and the end of the cleaning brush handle (2) is provided with a connector (22) connected to the brush head; A collection bucket (91), a brush head storage bucket (11) and a storage bucket (92) for the cleaning brush handle (2) are arranged in the barrel body (9); the upper ports of the collection bucket (91) and the brush head storage bucket (11) are respectively provided with a collection bucket cover (93) and a bucket cover (3); The barrel cover opening mechanism comprises a linkage rod (95) and a spring-opening mechanism (94). The spring-opening mechanism (94) is arranged on the brush head storage barrel (11). The spring-opening mechanism (94) applies a force to automatically open the barrel cover (3). The upper end of the linkage rod (95) is movably connected to the barrel cover (3). The lower end of the linkage rod (95) is provided with a transverse rod (96). A guide groove (97) is provided on the barrel wall at the lower part of the storage barrel. The transverse rod (96) passes through the guide groove (97). When the cleaning brush handle (2) is placed in the storage barrel (92), the transverse rod (96) is pressed to move downward along the guide groove (97). The transverse rod (96) pulls down the barrel cover (3) through the linkage rod (95), so that the barrel cover (3) compresses the spring-opening mechanism (94) to close the port of the brush head storage barrel (11). A limiting mechanism is provided between the cleaning brush handle (2) and the inner wall of the accommodating chamber (12) or the placement bucket (92); the limiting mechanism comprises a limiting groove (98) and an elastic convex rib (28); the limiting groove (98) and the elastic convex rib (28) are respectively provided on the side wall of the accommodating chamber (12) or the placement bucket (92) and the surface of the cleaning brush handle (2); when the cleaning brush handle (2) is placed in place, the limiting groove (98) and the elastic convex rib (28) cooperate with each other, so that the cleaning brush handle (2) maintains the force acting on the control end of the opening mechanism of the bucket cover (3).

3. A toilet brush device with a replaceable brush head as claimed in claim 2, characterized in that: The barrel body (9) comprises a main body and an upper seat (901). Three ports are provided on the upper seat (901), and the three ports are respectively connected to the collection barrel (91), the brush head storage barrel (11) and the placement barrel (92). The collection barrel cover (93) and the barrel cover (3) are respectively hinged at the corresponding ports of the collection barrel (91) and the brush head storage barrel (11).

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