Hovering and lifting mechanism for cloth dragging roller

Abstract

The utility model relates to the technical field of mopping vehicle parts, in particular to a hovering and lifting mechanism for a mop roller. Comprising a rack, a cloth dragging roller, a lifting limiting mechanism and a lifting driving device, the rack comprises a first rack body and a second rack body, the middle of the first rack body is rotationally connected with one end of the second rack body, the cloth dragging roller is rotationally connected to one end of the first rack body, and one end of the lifting driving device is rotationally connected to the second rack body; the output end of the lifting driving device is rotationally connected to the other end of the first rack, the lifting limiting mechanism is arranged on the second rack, and the position of the lifting limiting mechanism corresponds to the position of the other end of the first rack. According to the design of the lever principle, enough space can be reserved in the direction of the cloth dragging roller so that other devices can be placed in the space. Meanwhile, the structural design based on the lever principle is adopted, so that the longer adjusting height of the cloth dragging roller can be replaced by the shorter driving distance of the lifting driving device.

Description

Technical Field

[0001] This utility model relates to the technical field of mop roller components, specifically to a suspension and lifting mechanism for a mop roller. Background Technology

[0002] Mop rollers are commonly found on floor cleaning vehicles such as sweepers and mops. They consist of a roller shaft and a detachable mop. For example, in a mopping assembly and cleaning robot disclosed in Chinese Patent Application Publication No. CN119791528A on April 11, 2025, the mopping assembly includes a mopping bracket and a mop. The mopping bracket includes a first bracket, a second bracket, and an intermediate shaft. The first and second brackets are respectively fixed relative to each other by the intermediate shaft based on mounting parts on them. The first and / or second brackets can rotate around the intermediate shaft to give the mopping bracket a flat state and a folded state. The first and second brackets are respectively provided with a first roller and a second roller. The first roller is parallel to the second roller, and the first and second rollers can rotate around the central axis of the rollers. The mop is wrapped around the surface of the mopping bracket and abuts against the first and second rollers. The mop rotates under the drive of the first and / or second rollers and acts on the working surface.

[0003] In practice, these mop rollers lack a mechanism to adjust their height relative to the ground, resulting in poor cleaning ability when the existing structure faces uneven ground. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is:

[0005] 1. A suspension lifting mechanism for a mop roller is provided, which enables the adjustment of its height relative to the ground surface to adapt to uneven ground.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a suspension and lifting mechanism for a drag roller, comprising a frame, a drag roller, a lifting limiting mechanism, and a lifting drive device. The frame includes a first frame and a second frame. The middle part of the first frame is rotatably connected to one end of the second frame. The drag roller is rotatably connected to one end of the first frame. One end of the lifting drive device is rotatably connected to the second frame. The output end of the lifting drive device is rotatably connected to the other end of the first frame. The lifting limiting mechanism is disposed on the second frame, and the position of the lifting limiting mechanism corresponds to the position of the other end of the first frame.

[0007] This design utilizes a lever structure comprised of a first frame and a second frame. When the output end of the drive lifting device extends, the first frame rotates around the rotational connection point between the first and second frames, causing the mop roller to move upwards, raising it to avoid contact with the ground or ensuring the distance between its surface and the ground meets operational requirements. When the output end of the drive lifting device retracts, the first frame and the mop roller fall back under gravity, at which point the mop roller either contacts the ground or falls completely to the ground. A lifting limit mechanism on the second frame is used to manually limit the downward movement of the mop roller. The lever principle design allows for sufficient space in the direction of the mop roller to accommodate other devices. Simultaneously, the lever principle structure allows for a shorter drive distance for the lifting device, resulting in a longer adjustment height for the mop roller.

[0008] Optionally, the second frame includes a bracket and a limiting frame, both of which are fixedly installed on the sweeper. The lifting limiting mechanism includes a threaded limiting rod and an adjusting handle. The threaded limiting rod is installed on the limiting frame and is threadedly engaged with the limiting frame. The adjusting handle is fixedly connected to one end of the threaded limiting rod, and the other end of the threaded limiting rod passes through the limiting frame and engages with the other end of the first frame.

[0009] Before use, the threaded limit rod can be driven by adjusting the handle to adjust the length of the lower end of the threaded limit rod extending out of the limit frame, thereby limiting the extreme position of the downward movement of the mop roller.

[0010] Optionally, the lifting drive device is a servo electric cylinder, which is rotatably connected to the second frame, and the output end of the servo electric cylinder is rotatably connected to the other end of the first frame.

[0011] Optionally, the mop roller includes an electric roller, a mop fixing rubber tube, a mop pressure strip, and a mop. Both ends of the electric roller are rotatably connected to one end of the first frame. The mop fixing rubber tube is disposed on the outside of the electric roller. The mop fixing rubber tube is provided with a limiting groove for fixing the mop. The shape of the mop pressure strip corresponds to the limiting groove.

[0012] Unlike existing designs where the roller remains stationary and the mop is moved relative to it by other devices, this design uses a mop pressure strip and a limiting groove to fix the mop to the mop fixing sleeve, making the structure of the mop roller more streamlined.

[0013] Optionally, a laser ranging device is also provided at one end of the first frame for feeding back the distance between the mop roller and the ground surface to adjust the height of the mop roller relative to the ground surface.

[0014] The beneficial technical effects of this utility model are: the lever principle design allows for sufficient space in the direction of the mop roller to accommodate other devices. Simultaneously, the lever principle structure design also enables a shorter driving distance for the lifting drive device to achieve a longer adjustment height for the mop roller. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective;

[0017] Figure 3 This is a side view of the present invention.

[0018] Reference numerals: 1-mop roller, 2-first frame, 3-support, 4-servo cylinder, 5-laser rangefinder, 6-limiting frame, 7-threaded limit rod, 8-adjusting handle, 9-electric roller, 10-mop fixing rubber sleeve, 11-mop pressure strip, 12-mop. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0020] Reference Figure 1-3 As shown, a suspension and lifting mechanism for a mop roller includes a first frame 2 and a second frame. The middle of the first frame 2 is rotatably connected to one end of the second frame. A mop roller 1 is rotatably connected to one end of the first frame 2. The lifting drive device is a servo cylinder 4, which is rotatably connected to a support 3 on the second frame. The output end of the servo cylinder 4 is rotatably connected to the other end of the first frame 2. A laser rangefinder 5 is also provided on one end of the first frame 2 to provide feedback on the distance between the mop roller 1 and the ground surface to adjust the height of the mop roller 1 relative to the ground surface.

[0021] The second frame includes a bracket 3 and a limiting frame 6, both of which are fixedly installed on the sweeper.

[0022] The lifting limit mechanism includes a threaded limit rod 7 and an adjusting handle 8. The threaded limit rod 7 is installed on the limit frame 6 and is threadedly engaged with the limit frame 6. The adjusting handle 8 is fixedly connected to one end of the threaded limit rod 7, and the other end of the threaded limit rod 7 passes through the limit frame 6 and engages with the other end of the first frame 2.

[0023] The mop roller 1 includes an electric roller 9, a mop fixing rubber tube 10, a mop pressure strip 11, and a mop 12. Both ends of the electric roller 9 are rotatably connected to one end of the first frame 2. The mop fixing rubber tube 10 is located on the outside of the electric roller 9. The mop fixing rubber tube 10 is provided with a limiting groove for fixing the mop 12. The shape of the mop pressure strip 11 corresponds to the limiting groove.

[0024] This solution utilizes a lever structure comprised of a first frame 2 and a second frame. When the output end of the drive lifting device extends, the first frame 2 rotates around the rotational connection point between the first frame 2 and the second frame, causing the mop roller 1 to move upward, raising it so that it does not contact the ground surface or that the distance between its surface and the ground surface meets the operational requirements. When the output end of the drive lifting device retracts, the first frame 2 and the mop roller 1 fall back under the influence of gravity, at which point the mop roller 1 contacts the ground surface or falls completely to the ground surface. A lifting limit mechanism on the second frame is used to manually limit the downward movement range of the mop roller 1. The lever principle design allows for sufficient space to be reserved in the direction of the mop roller 1 to accommodate other devices. Simultaneously, the lever principle structural design allows for a shorter driving distance of the lifting drive device in exchange for a longer adjustment height of the mop roller 1. After adding a laser rangefinder 5, the laser rangefinder 5 can measure the relative height of the mop roller 1 to the ground surface in real time, and the data is fed back to the processor. The processor compares this with a preset height and drives the servo cylinder 4 to make corresponding adjustments.

[0025] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A suspension and lifting mechanism for a drag roller, characterized in that: The device includes a frame, a cloth roller, a lifting and limiting mechanism, and a lifting drive device. The frame includes a first frame and a second frame. The middle part of the first frame is rotatably connected to one end of the second frame. The cloth roller is rotatably connected to one end of the first frame. One end of the lifting drive device is rotatably connected to the second frame, and the output end of the lifting drive device is rotatably connected to the other end of the first frame. The lifting and limiting mechanism is disposed on the second frame, and the position of the lifting and limiting mechanism corresponds to the position of the other end of the first frame.

2. A hover-lift mechanism for a mop roller as defined in claim 1, wherein: The second frame includes a support and a limiting frame, both of which are fixedly installed on the sweeper. The lifting limiting mechanism includes a threaded limiting rod and an adjusting handle. The threaded limiting rod is installed on the limiting frame and is threadedly engaged with the limiting frame. The adjusting handle is fixedly connected to one end of the threaded limiting rod, and the other end of the threaded limiting rod passes through the limiting frame and engages with the other end of the first frame.

3. A hover-lift mechanism for a mop roller as defined in claim 2, wherein: The lifting drive device is a servo electric cylinder, which is rotatably connected to the second frame, and the output end of the servo electric cylinder is rotatably connected to the other end of the first frame.

4. A hover-lift mechanism for a mop roller as defined in claim 1, wherein: The mop roller includes an electric roller, a mop fixing rubber tube, a mop pressure strip, and a mop. Both ends of the electric roller are rotatably connected to one end of the first frame. The mop fixing rubber tube is disposed on the outside of the electric roller and is provided with a limiting groove for fixing the mop. The shape of the mop pressure strip corresponds to the limiting groove.

5. A hover-lift mechanism for a mop roller according to any one of claims 1-4, characterized in that: A laser ranging device is also provided at one end of the first frame to provide feedback on the distance between the mop roller and the ground surface in order to adjust the height of the mop roller relative to the ground surface.

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