A crawler brush for a floor scrubber that removes a cloth roll via a lever structure

Abstract

The present invention discloses a crawler brush for a floor scrubber that can be disassembled using a lever structure. The brush comprises a floor brush body, a fixing frame, an active roller, a driven roller, a support assembly, and a crawler rag. The support assembly comprises a fixing rod, a first lever, a second lever, a metal spring, and a support frame. A connecting cylinder is provided at the end of the fixing rod. A first connecting portion is provided at one end of the first lever, which is sleeved on the connecting cylinder. A second connecting portion is provided at one end of the second lever, which is sleeved on the connecting cylinder. The metal spring has an arc-shaped cross-section and is clamped to the second connecting portion. One end of the metal spring contacts the first lever, and the other end contacts the second lever. The crawler rag wraps around the active roller and the driven roller. Compared with the prior art, the present invention facilitates the disassembly of the crawler rag, and facilitates the cleaning and replacement of the crawler rag.

Description

Technical Field

[0001] The present invention relates to the technical field of floor scrubbers, and in particular to a floor scrubber crawler brush capable of disassembling a rolling cloth through a lever structure. Background Art

[0002] A household floor scrubber primarily consists of a main unit and a floor brush. The main unit is equipped with a water tank (to supply water to the drum) and a wastewater tank (to collect wastewater). It also features a controller, a spray device, a drum motor for controlling the drum, a suction device, and a main motor for controlling the suction device. The floor brush primarily houses the drum and a drainage channel for cleaning the floor.

[0003] The floor scrubber uses a crawler rag on the floor brush to clean the floor. Because the crawler rag wraps around the active roller and the driven roller to transmit power, the crawler rag is supported by the active roller and the driven roller, making it difficult to remove and inconvenient to clean and replace. Summary of the Invention

[0004] The object of the present invention is to provide a crawler brush for a floor scrubber with a roller cloth that can be disassembled through a lever structure, thereby facilitating the disassembly of the crawler cloth and facilitating the cleaning and replacement of the crawler cloth.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a crawler brush of a floor scrubber that can disassemble a roller cloth through a lever structure, comprising: a floor brush body, a fixing frame, an active roller, a driven roller, a support assembly and a crawler cloth, the fixing frame is detachably mounted on the floor brush body, the active roller is rotatably mounted on the fixing frame, the driven roller is rotatably mounted on the fixing frame, the support assembly comprises a fixing rod, a first lever, a second lever, a metal spring and a support frame, a connecting cylinder is provided at the end of the fixing rod, a first connecting part is provided at one end of the first lever, the first connecting part is sleeved on the connecting cylinder, and a second connecting part is provided at one end of the second lever The second connecting part is sleeved on the connecting cylinder, the cross section of the metal spring is arc-shaped, the metal spring is clamped on the second connecting part, one end of the metal spring contacts the first lever, and the other end contacts the second lever. The support frame is fixedly mounted on the connecting cylinder, the driven roller includes a first roller unit and a second roller unit, the first roller unit is rotatably mounted on the support frame, a first connecting head is provided on the fixed frame, and a second connecting head corresponding to the first connecting head is provided on the support frame, one end of the second roller unit is plugged into the first connecting head, and the other end opposite to it is plugged into the second connecting head, and the crawler rag surrounds the active roller and the driven roller.

[0006] As a further description of the above technical solution:

[0007] A first rotating shaft is provided on the back of the second connecting head, and a first bearing corresponding to the position of the first rotating shaft is provided on the support frame. The first rotating shaft is fixedly mounted on the inner ring of the first bearing, and the end of the first rotating shaft passes through the support frame and is connected to the first roller unit.

[0008] As a further description of the above technical solution:

[0009] A positioning wheel is provided on the floor brush body. The positioning wheel is rotatably mounted on the floor brush body. One end of the first roller unit is plugged into the positioning wheel.

[0010] As a further description of the above technical solution:

[0011] The floor brush body is provided with a motor drive assembly, which is used to drive the active roller.

[0012] As a further description of the above technical solution:

[0013] The cross section of the fixing rod is fan-shaped.

[0014] As a further description of the above technical solution:

[0015] The second connecting portion includes two parallel plates, which are sleeved on the connecting cylinder. The two plates are symmetrically arranged on both sides of the first connecting portion.

[0016] As a further description of the above technical solution:

[0017] A first limit stopper is provided on one side of the first connection portion, and a second limit stopper is provided on the second connection portion at a position corresponding to the first limit stopper.

[0018] As a further description of the above technical solution:

[0019] A first pressing block is further provided on one side of the first connecting portion. The first pressing block is arc-shaped, the arc-shaped side surface of the first pressing block contacts the second connecting portion, and the bottom surface of the first pressing block contacts the metal spring.

[0020] As a further description of the above technical solution:

[0021] A roller is provided at the end of the first shifting rod, and the roller contacts the surface of the active roller.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0023] 1. In the present invention, when removing the crawler rag, first remove the fixing frame from the floor brush body. At this time, the fixing frame and the active roller, driven roller, support assembly, and crawler rag thereon are removed as a whole. Afterwards, the driven roller and the active roller are squeezed in the middle of the driven roller and the middle of the active roller, so that the support frame squeezes the first and second levers. The angle between the first and second levers increases, the metal springs open and deform, and the support assembly no longer uses the support frame to keep the driven roller in an open state. The center distance between the driven roller and the top of the active roller is reduced, so that the crawler rag can be smoothly pulled out and removed. After installing the crawler rag, loosen the driven roller and the active roller. The first and second levers are reset under the action of the metal springs. The support assembly uses the support frame to keep the driven roller in an open state, and the crawler rag remains taut. The crawler brush of the floor scrubber facilitates the removal of the crawler rag, and facilitates the cleaning and replacement of the crawler rag. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 This is a schematic diagram of the structural disassembly of a floor scrubber crawler brush that removes the roller cloth through a lever structure.

[0026] Figure 2 This is a schematic diagram of the disassembly of a crawler-type rag in a floor scrubber crawler brush, which uses a lever structure to disassemble the roller cloth.

[0027] Figure 3 Schematic diagram of the structure of the fixed frame of the crawler brush of a floor scrubber that removes the roller cloth through the lever structure Figure 1 .

[0028] Figure 4 Schematic diagram of the structure of the fixed frame of the crawler brush of a floor scrubber that removes the roller cloth through the lever structure Figure 2 .

[0029] Figure 5 This is a schematic diagram of the structure of the support assembly in the crawler brush of a floor scrubber, which removes the roller cloth through a lever structure.

[0030] Figure 6 This is a schematic diagram of the installation of the first lever in a crawler brush of a floor scrubber that removes the roller cloth through a lever structure.

[0031] Figure 7 This is a schematic diagram of the installation of the second connector in a crawler brush of a floor scrubber that removes the roller cloth through a lever structure.

[0032] Legend:

[0033] 1. Floor brush body; 11. Motor drive assembly; 12. Positioning wheel; 2. Fixed frame; 21. First connecting head; 3. Active roller; 4. Driven roller; 41. First roller unit; 42. Second roller unit; 5. Support assembly; 51. Fixed rod; 511. Connecting cylinder; 52. First shift rod; 521. First connecting part; 522. First limit block; 523. First pressure block; 524. Roller; 53. Second shift rod; 531. Second connecting part; 5311. Plate; 54. Metal shrapnel; 55. Support frame; 551. First bearing; 56. Second connecting head; 561. First rotating shaft; 6. Tracked mop. DETAILED DESCRIPTION

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0036] See also Figure 1-7The present invention provides a technical solution: a crawler brush for a floor scrubber with a roller cloth detachable by a lever structure, comprising: a floor brush body 1, a fixing frame 2, an active roller 3, a driven roller 4, a support assembly 5 and a crawler rag 6, wherein the fixing frame 2 is detachably mounted on the floor brush body 1, the active roller 3 is rotatably mounted on the fixing frame 2, and the driven roller 4 is rotatably mounted on the fixing frame 2, the support assembly 5 comprises a fixing rod 51, a first lever 52, a second lever 53, a metal spring 54 and a support frame 55, a connecting cylinder 511 is provided at the end of the fixing rod 51, a first connecting portion 521 is provided at one end of the first lever 52, and the first connecting portion 521 is sleeved on the connecting cylinder 511, a second connecting portion 531 is provided at one end of the second lever 53, and the second connecting portion 5 31 is sleeved on the connecting cylinder 511, the cross-section of the metal spring 54 is arc-shaped, the metal spring 54 is clamped on the second connecting part 531, one end of the metal spring 54 contacts the first lever 52, and the other end contacts the second lever 53, the support frame 55 is fixedly installed on the connecting cylinder 511, the driven roller 4 includes a first roller unit 41 and a second roller unit 42, the first roller unit 41 is rotatably mounted on the support frame 55, the fixed frame 2 is provided with a first connecting head 21, and the support frame 55 is provided with a second connecting head 56 whose position corresponds to the first connecting head 21, one end of the second roller unit 42 is plugged into the first connecting head 21, and the other end is plugged into the second connecting head 56, and the crawler rag 6 surrounds the active roller 3 and the driven roller 4.

[0037] A first rotating shaft 561 is provided on the back of the second connecting head 56, and a first bearing 551 corresponding to the position of the first rotating shaft 561 is provided on the support frame 55. The first rotating shaft 561 is fixedly mounted on the inner ring of the first bearing 551. The end of the first rotating shaft 561 passes through the support frame 55 and is connected to the first roller unit 41. The installation of the first connecting head 21 is similar to that of the fixing frame 2. The driven roller 4 is rotatably mounted on the fixing frame 2 via a bearing and a metal shaft. The bearing itself has clearance, and the plastic fixing frame 2 can be slightly deformed. When the driven roller 4 is pressed, the deformation of the top (away from the end of the fixing frame 2) is about 9 mm, and the deformation at the corresponding end position is very small. The same is true for the active roller 3. Therefore, squeezing the driven roller 4 and the active roller 3 will not cause damage to the connection.

[0038] A positioning wheel 12 is provided on the floor brush body 1 , and the positioning wheel 12 is rotatably mounted on the floor brush body 1 . One end of the first roller unit 41 is plugged into the positioning wheel 12 , thereby achieving rotatable installation of the first roller unit 41 .

[0039] The floor brush body 1 is provided with a motor drive assembly 11 , which is used to drive the active roller 3 . The motor drive assembly 11 extends into the active roller 3 and drives the active roller 3 to rotate.

[0040] The cross section of the fixing rod 51 is fan-shaped, and the width of the arc surface of the fixing rod 51 facing the driven roller 4 is smaller than the width of the arc surface away from the driven roller 4, which effectively improves the deformation resistance of the fixing rod 51.

[0041] The second connecting portion 531 includes two parallel plates 5311 that are sleeved onto the connecting cylindrical portion 511. The two plates 5311 are symmetrically arranged on either side of the first connecting portion 521. When installing the first and second levers 52 and 53, the first connecting portion 521 of the first lever 52 is first inserted into the second connecting portion 531 to form a single unit. The unit is then sleeved onto the connecting cylindrical portion 511, improving the integrity of the lever assembly and enhancing support.

[0042] A first limit stop 522 is provided on one side of the first connecting portion 521, and a second limit stop 522 is provided on the second connecting portion 531, corresponding in position to the first limit stop 522. These limit the minimum angle between the first and second levers 52, 53 when in the normal support state. In this state, the ends of the first and second levers 52, 53 only contact the active roller 3. This prevents the angle between the first and second levers 52, 53 from being too small under the action of the metal spring 54 during resetting, causing the first and second levers 52, 53 to squeeze the active roller 3 and affect its normal rotation.

[0043] A first pressing block 523 is also provided on one side of the first connecting portion 521. The first pressing block 523 is curved, with its curved side surface contacting the second connecting portion 531 and its bottom surface contacting the metal spring 54. The first pressing block 523 facilitates assembly of the first and second levers 52, 53, and aligns their through-holes. Furthermore, the first pressing block 523 presses the metal spring 54, preventing it from detaching from the first connecting portion 521 along the axis of the connecting cylinder 511.

[0044] A roller 524 is provided at the end of the first lever 52, and the roller 524 contacts the surface of the active roller 3. The same is true for the end of the second lever 53. The roller contacts the surface of the active roller 3 to avoid damage to the surface of the active roller 3, while facilitating the opening of the first lever 52 and the second lever 53.

[0045] Working Principle: To remove the crawler rag 6, first remove the fixing frame 2 from the floor brush body 1. The fixing frame 2, along with the active roller 3, driven roller 4, support assembly 5, and crawler rag 6, is then removed as a whole. Next, the driven roller 4 and active roller 3 are squeezed in the middle of the driven roller 4 and the middle of the active roller 3, causing the support frame 55 to squeeze the first lever 52 and the second lever 53. This increases the angle between the first lever 52 and the second lever 53, causing the metal spring 54 to expand and deform. The support assembly 5 no longer maintains the support frame 55 to hold the driven roller 4 in its open position, reducing the center-to-center distance between the driven roller 4 and the active roller 3, allowing the crawler rag 6 to be smoothly withdrawn and removed. After installing the crawler rag 6, loosen the driven roller 4 and the active roller 3, and the first lever 52 and the second lever 53 are reset under the action of the metal spring 54. The support assembly 5 keeps the driven roller 4 in an extended state through the support frame 55, and the crawler rag 6 remains in a taut state.

[0046] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A crawler brush for a floor scrubber that can be disassembled by a lever structure, characterized in that: include: A floor brush body (1), a fixing frame (2), an active roller (3), a driven roller (4), a support assembly (5) and a crawler rag (6), wherein the fixing frame (2) is detachably mounted on the floor brush body (1), the active roller (3) is rotatably mounted on the fixing frame (2), the driven roller (4) is rotatably mounted on the fixing frame (2), the support assembly (5) comprises a fixing rod (51), a first shifting rod (52), a second shifting rod (53), and a second shifting rod (54). 3), a metal spring (54) and a support frame (55), the end of the fixing rod (51) is provided with a connecting cylinder (511), one end of the first shifting rod (52) is provided with a first connecting portion (521), the first connecting portion (521) is sleeved on the connecting cylinder (511), the one end of the second shifting rod (53) is provided with a second connecting portion (531), the second connecting portion (531) is sleeved on the connecting cylinder (511), the metal spring The cross section of the sheet (54) is in an arc shape. The metal spring sheet (54) is clamped on the second connecting portion (531). One end of the metal spring sheet (54) contacts the first shift rod (52) and the other end contacts the second shift rod (53). The support frame (55) is fixedly mounted on the connecting cylinder (511). The driven roller (4) includes a first roller unit (41) and a second roller unit (42). The first roller unit (41) is rotatably mounted on the support frame (55). The fixed frame (2) is provided with a first connecting head (21). The support frame (55) is provided with a second connecting head (56) whose position corresponds to the first connecting head (21). One end of the second roller unit (42) is plugged into the first connecting head (21) and the other end is plugged into the second connecting head (56). The crawler rag (6) surrounds the active roller (3) and the driven roller (4).

2. The crawler brush of a floor scrubber with a roller cloth disassembled by a lever structure according to claim 1, characterized in that: A first rotating shaft (561) is provided on the back of the second connecting head (56), and a first bearing (551) corresponding to the position of the first rotating shaft (561) is provided on the support frame (55). The first rotating shaft (561) is fixedly mounted on the inner ring of the first bearing (551), and the end of the first rotating shaft (561) passes through the support frame (55) and is connected to the first roller unit (41).

3. The crawler brush of a floor scrubber with a roller cloth disassembled by a lever structure according to claim 1, characterized in that: The floor brush body (1) is provided with a positioning wheel (12), the positioning wheel (12) is rotatably mounted on the floor brush body (1), and one end of the first roller unit (41) is plugged into the positioning wheel (12).

4. The crawler brush of a floor scrubber with a cloth roller disassembled by a lever structure according to claim 1, characterized in that: The floor brush body (1) is provided with a motor drive assembly (11), and the motor drive assembly (11) is used to drive the active roller (3).

5. The crawler brush of a floor scrubber with a roller cloth disassembled by a lever structure according to claim 1, characterized in that: The cross section of the fixing rod (51) is fan-shaped.

6. The crawler brush of a floor scrubber with a roller cloth disassembled by a lever structure according to claim 1, characterized in that: The second connecting portion (531) comprises two parallel plates (5311), the plates (5311) being sleeved on the connecting cylinder (511), and the two plates (5311) being symmetrically arranged on both sides of the first connecting portion (521).

7. The crawler brush of a floor scrubber with a roller cloth disassembled by a lever structure according to claim 6, characterized in that: A first position-limiting block (522) is provided on one side of the first connecting portion (521), and a second position-limiting block corresponding to the position of the first position-limiting block (522) is provided on the second connecting portion (531).

8. The crawler brush of a floor scrubber with a cloth roller disassembled by a lever structure according to claim 7, characterized in that: A first pressing block (523) is further provided on one side of the first connecting portion (521). The first pressing block (523) is arc-shaped, the arc-shaped side surface of the first pressing block (523) contacts the second connecting portion (531), and the bottom surface of the first pressing block (523) contacts the metal spring (54).

9. The crawler brush of a floor scrubber with a cloth roller disassembled by a lever structure according to claim 1, characterized in that: A roller (524) is provided at the end of the first shifting rod (52), and the roller (524) contacts the surface of the active roller (3).

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