Walking mechanism of scrubber

Abstract

The utility model discloses a walking mechanism of a scrubber, which comprises a scrubber chassis, a bottom plate arranged below the scrubber chassis, and two groups of lifting components symmetrically arranged between the scrubber chassis and the bottom plate and used for lifting the scrubber chassis, the lifting assembly is arranged on the bottom surface of the scrubber chassis, the sliding blocks located on the surface of the scrubber chassis slide towards one side, the distance between the sliding blocks and the connecting blocks is changed, and therefore one ends of the two sets of connecting plates move towards the center at the same time; when the floor scrubber chassis is overhauled, the bottom plate moves downwards, the floor scrubber is jacked, and the ground clearance overhaul of the floor scrubber chassis is improved, so that a worker can overhaul the floor scrubber chassis of the floor scrubber and a device mounted on the surface of the floor scrubber chassis conveniently and quickly.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental cleaning devices, in particular to a walking mechanism of a floor scrubber. Background Art

[0002] Floor scrubbers are common smart home appliances that can automatically clean the floor in the room. Once they came out, they were not only sought after by technology enthusiasts, but also gradually emerged in homes, shopping malls, restaurants, conference halls and other public places.

[0003] According to a Chinese patent with publication number CN216317397U, a floor scrubber is disclosed, including an upper part and a lower part, wherein the lower part includes a power structure and a garbage cleaning structure, and the power structure is arranged on the side of the garbage cleaning structure; the upper part includes a water-containing bracket, and the front side of the water-containing bracket is provided with a clean water area, the rear side is provided with a sewage area, and the side of the clean water area is provided with an electrolysis area. A layered arrangement is adopted, including an upper part and a lower part, and the clean water area, the sewage area, and the electrolysis area are all arranged in the upper layer. The structure can be deepened in the longitudinal direction to increase the water capacity without affecting the structure arranged in the lower layer and the surrounding side, so as to meet the needs of machines equipped with large-capacity sewage, clean water, and even disinfection functions. The position distribution of the sewage area, the clean water area, and the electrolysis area can also achieve balance of the whole machine, avoid partial imbalance, and achieve reasonable structural planning and distribution.

[0004] The above-mentioned floor scrubber has some problems in use. When the floor scrubber chassis and the devices installed on the floor scrubber chassis need to be inspected and repaired, due to the small ground clearance of the floor scrubber, the staff needs to lift the floor scrubber or lie on the ground to observe the floor scrubber chassis, which makes the inspection and repair very inconvenient. Utility Model Content

[0005] The utility model aims to provide a walking mechanism for a floor scrubber to solve the problem in the above background technology that the ground clearance of the floor scrubber is small and it is inconvenient to inspect and repair the chassis of the floor scrubber.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A walking mechanism of a floor scrubber comprises a floor scrubber chassis, a bottom plate is arranged below the floor scrubber chassis, two groups of lifting assemblies for lifting the floor scrubber chassis are arranged symmetrically between the floor scrubber chassis and the bottom plate, and a driving assembly for moving the floor scrubber chassis is arranged on the bottom surface of the floor scrubber chassis.

[0008] The lifting assembly includes two groups of sliding blocks which are respectively slidably connected to the bottom of the floor scrubber chassis and the top surface of the bottom plate. A connecting rod is fixedly installed on one side of the two groups of sliding blocks. A connecting plate is rotatably connected to the surface of the connecting rod. The two groups of connecting plates are arranged to intersect and are rotatably connected together through a pin shaft. A connecting column is rotatably inserted at the other end of the connecting plate. A connecting block is fixedly installed on one side of the connecting column. The two groups of connecting blocks are respectively connected to the surface of the floor scrubber chassis and the bottom plate.

[0009] Preferably, the driving assembly includes a single-chip microcomputer fixed to the surface of the floor washing machine chassis, a steering motor is fixedly installed on the top of one side of the floor washing machine chassis, the output shaft of the steering motor penetrates downwardly through the floor washing machine chassis and is fixedly connected to a steering wheel group, drive motors are fixedly installed on both sides of the bottom of the floor washing machine chassis, wheels are fixedly installed on the output shaft of the drive motor, and several groups of infrared obstacle avoidance sensors are provided on the outer cylindrical surface of the floor washing machine chassis, the signal input ends of the steering motor and the drive motor are connected to the signal output end of the single-chip microcomputer through wires, the output end of the infrared obstacle avoidance sensor is connected to the signal input end of the single-chip microcomputer through wires, and the steering motor and the drive motor are both controlled by the single-chip microcomputer.

[0010] Preferably, two groups of fixing plates are fixedly installed on the bottom surface of the floor scrubber chassis, a lead screw is rotatably connected between the two groups of fixing plates, a sliding seat is threadedly connected to one end surface of the lead screw, fixing rods are fixedly installed on both sides of the sliding seat, both ends of the two groups of fixing rods are respectively fixedly connected to one end surface of the corresponding side connecting rods, and a rotating component for driving the lead screw to rotate is provided on one end surface of the lead screw.

[0011] Preferably, the rotating assembly includes a fixed block fixedly mounted on the bottom surface of the floor scrubber chassis, a worm is rotatably connected between two groups of the fixed blocks, a worm wheel is meshed on the surface of the worm, the worm wheel is fixedly sleeved on the surface of the lead screw, one end of the worm passes through the fixed block and a rotating rod is inserted into the surface.

[0012] Preferably, a blocking block is rotatably sleeved on the surface of the lead screw, and the surface of the blocking block is fixedly connected to the surface of the floor scrubber chassis.

[0013] Preferably, two sets of slide grooves are provided on a side of the floor scrubber chassis opposite to the bottom plate, and a slider is slidably connected to the inner cavity of the slide groove, and the slider is fixedly connected to the surface of the corresponding side sliding block.

[0014] Preferably, a rubber pad is bonded to the bottom of the base plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model sets a lifting assembly to slide the sliding block on the surface of the floor scrubber chassis to one side, and changes the distance between the sliding block and the connecting block, so that one end of the two sets of connecting plates move toward the center at the same time, and then the bottom plate moves downward, the floor scrubber is lifted, and the floor scrubber chassis is raised for maintenance off the ground, so that the staff can easily and quickly inspect the floor scrubber chassis and the device installed on the surface of the floor scrubber chassis.

[0017] 2. The utility model realizes the lifting of the floor scrubber by setting a worm wheel and a worm screw, and rotating the worm screw drives the worm wheel to rotate, thereby driving the lead screw to rotate, and the worm wheel and the worm screw are self-locking, which prevents the lead screw from being affected by external forces and causing the floor scrubber to fall. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a walking mechanism of a floor scrubber according to the utility model;

[0019] Figure 2 It is a structural schematic diagram of another perspective of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the utility model when viewed from above;

[0021] Figure 4 It is a structural schematic diagram of the lifting assembly of the utility model.

[0022] In the figure: 100, floor scrubber chassis; 101, steering motor; 102, wheel; 103, single-chip microcomputer; 104, steering wheel group; 105, drive motor; 106, bottom plate; 107, rubber pad; 200, infrared obstacle avoidance sensor; 300, rotating rod; 302, fixing block; 303, fixing plate; 304, worm; 305, worm wheel; 400, connecting block; 401, slide groove; 402, sliding block; 403, lead screw; 404, blocking block; 405, connecting column; 406, connecting plate; 407, pin shaft; 408, connecting rod; 409, fixing rod; 410, sliding seat; 411, slider. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4The present embodiment provides a walking mechanism of a floor scrubber, including a floor scrubber chassis 100, a bottom plate 106 is arranged below the floor scrubber chassis 100, two groups of lifting components for lifting the floor scrubber chassis 100 are arranged symmetrically between the floor scrubber chassis 100 and the bottom plate 106, and a driving component for moving the floor scrubber chassis 100 is arranged on the bottom surface of the floor scrubber chassis 100.

[0025] The lifting assembly includes two groups of sliding blocks 402 respectively connected to the bottom of the floor scrubber chassis 100 and the top surface of the bottom plate 106. A connecting rod 408 is fixedly installed on one side of the two groups of sliding blocks 402. A connecting plate 406 is rotatably connected to the surface of the connecting rod 408. The two groups of connecting plates 406 are arranged to intersect and are rotatably connected together through a pin 407. A connecting column 405 is rotatably inserted at the other end of the connecting plate 406. A connecting block 400 is fixedly installed on one side of the connecting column 405. The two groups of connecting blocks 400 are respectively connected to the floor scrubber chassis 100 and The surface of the bottom plate 106 is provided with a lifting assembly to slide the sliding block 402 located on the surface of the floor scrubber chassis 100 to one side, thereby changing the distance between the sliding block 402 and the connecting block 400, so that one end of the two sets of connecting plates 406 move toward the center at the same time, and then the bottom plate 106 moves downward to lift the floor scrubber and increase the floor scrubber chassis 100 off the ground for maintenance, thereby facilitating the maintenance of the floor scrubber chassis 100 and the devices installed on the surface of the floor scrubber chassis 100 of the floor scrubber, which is very convenient and quick.

[0026] Furthermore, the driving assembly includes a single-chip computer 103 fixed to the surface of the floor washing machine chassis 100, a steering motor 101 is fixedly installed on the top of one side of the floor washing machine chassis 100, the output shaft of the steering motor 101 passes through the floor washing machine chassis 100 downward and is fixedly connected to a steering wheel set 104, a driving motor 105 is fixedly installed on both sides of the bottom of the floor washing machine chassis 100, and the output shaft of the driving motor 105 is fixedly installed with a wheel 102, and a plurality of groups of infrared obstacle avoidance sensors 200 are arranged on the outer circumference of the floor washing machine chassis 100, and the signal input ends of the steering motor 101 and the driving motor 105 are connected to the single-chip computer 103 through wires. 03, the output end of the infrared obstacle avoidance sensor 200 is connected to the signal input end of the single-chip computer 103 through a wire, the steering motor 101 and the drive motor 105 are both controlled by the single-chip computer 103, wherein the model of the single-chip computer 103 is AT89C51, and the model of the infrared obstacle avoidance sensor 200 is E18-D80NK. Through the setting of the infrared obstacle avoidance sensor 200 and the single-chip computer 103, the infrared obstacle avoidance sensor 200 collects data on the surrounding environment, and transmits it to the single-chip computer 103, and after calculation by the single-chip computer 103, the movement of the steering motor and the drive motor 105 is controlled.

[0027] Furthermore, two groups of fixing plates 303 are fixedly installed on the bottom surface of the chassis 100 of the floor scrubber, and a lead screw 403 is rotatably connected between the two groups of fixing plates 303. A sliding seat 410 is threadedly connected to the surface of one end of the lead screw 403, and fixing rods 409 are fixedly installed on both sides of the sliding seat 410. The two ends of the two groups of fixing rods 409 are respectively fixedly connected to the surface of one end of the corresponding side connecting rod 408, and a rotating component for driving the lead screw 403 to rotate is provided on the surface of one end of the lead screw 403. Through the setting of the lead screw 403, the lead screw 403 is rotated, and the sliding seat 410 converts the rotational force of the lead screw 403 into a linear thrust on the sliding block 402, thereby facilitating the staff to push the sliding block 402 to one side, thereby realizing the jacking of the floor scrubber.

[0028] It is worth mentioning that the rotating assembly includes a fixed block 302 fixedly mounted on the bottom surface of the floor scrubber chassis 100, a worm 304 is rotatably connected between the two sets of fixed blocks 302, a worm wheel 305 is meshed on the surface of the worm 304, and the worm wheel 305 is fixedly sleeved on the surface of the lead screw 403, one end of the worm 304 passes through the fixed block 302 and a rotating rod 300 is inserted on the surface, and one end of the worm 304 extends toward one side of the floor scrubber, so as not to affect the ground clearance at the front and rear ends of the floor scrubber, and to maximize the passability of the floor scrubber, and through the setting of the worm wheel 305 and the worm 304, rotating the worm 304 drives the worm wheel 305 to rotate, thereby driving the lead screw 403 to rotate, thereby realizing the lifting of the floor scrubber, and the worm wheel 305 and the worm 304 are self-locking, which prevents the lead screw 403 from being affected by external force and causing the floor scrubber to fall.

[0029] Preferably, a stop block 404 is rotatably sleeved on the surface of the lead screw 403, and the surface of the stop block 404 is fixedly connected to the surface of the floor scrubber chassis 100. The setting of the stop block 404 limits the sliding seat 410 to prevent the sliding seat 410 from falling off the surface of the lead screw 403 due to excessive rotation.

[0030] Furthermore, two sets of slide grooves 401 are provided on the opposite sides of the floor scrubber chassis 100 and the bottom plate 106, and the inner cavity of the slide groove 401 is slidably connected with a slider 411, and the slider 411 is fixedly connected to the surface of the corresponding side sliding block 402, wherein the slider 411 is T-shaped, and the movement direction of the sliding block 402 is limited by the setting of the slider 411 and the slide groove 401, and the slider 411 is T-shaped to prevent the sliding block 402 from falling off.

[0031] Furthermore, a rubber pad 107 is bonded to the bottom of the bottom plate 106. The rubber pad 107 prevents the bottom plate 106 from directly contacting the ground when the ground is coated with epoxy paint, thereby avoiding damage to the ground.

[0032] Working principle:

[0033] First, park the floor scrubber on a flat ground, then take out the rotating rod 300, and insert the rotating rod 300 into one end of the worm 304. At this time, rotating the rotating rod 300 drives the worm 304 to rotate, thereby driving the meshing worm wheel 305 to rotate, and then driving the lead screw 403 to rotate, so that the sliding seat 410 threadedly connected to the surface of the lead screw 403 slides to one side, and at the same time, through the fixed rod 409, the sliding block 402 at the bottom of the floor scrubber chassis 100 is pushed to one side, thereby changing the distance between the sliding block 402 and the connecting block 400, and then the bottom plate 106 is lifted downward through the connecting plate 406, thereby lifting the floor scrubber, which is convenient for the staff to inspect and repair the floor scrubber chassis 100 of the floor scrubber.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A walking mechanism of a floor scrubber, characterized in that: The invention comprises a floor-cleaning machine chassis (100), a bottom plate (106) being arranged below the floor-cleaning machine chassis (100), two groups of lifting components for lifting the floor-cleaning machine chassis (100) being arranged symmetrically between the floor-cleaning machine chassis (100) and the bottom plate (106), and a driving component for moving the floor-cleaning machine chassis (100) being arranged on the bottom surface of the floor-cleaning machine chassis (100). The lifting assembly comprises two groups of sliding blocks (402) which are respectively slidably connected to the bottom of the floor scrubber chassis (100) and the top surface of the bottom plate (106); a connecting rod (408) is fixedly installed on one side of the two groups of sliding blocks (402); a connecting plate (406) is rotatably connected to the surface of the connecting rod (408); the two groups of connecting plates (406) are arranged to intersect and are rotatably connected together through a pin shaft (407); a connecting column (405) is rotatably inserted at the other end of the connecting plate (406); a connecting block (400) is fixedly installed on one side of the connecting column (405); and the two groups of connecting blocks (400) are respectively connected to the surface of the floor scrubber chassis (100) and the bottom plate (106).

2. The walking mechanism of a floor scrubber according to claim 1, characterized in that; The driving assembly comprises a single chip computer (103) fixed to the surface of a floor scrubber chassis (100); a steering motor (101) is fixedly mounted on the top of one side of the floor scrubber chassis (100); an output shaft of the steering motor (101) passes through the floor scrubber chassis (100) downward and is fixedly connected to a steering wheel set (104); driving motors (105) are fixedly mounted on both sides of the bottom of the floor scrubber chassis (100); and wheels are fixedly mounted on the output shaft of the driving motor (105). (102), a plurality of groups of infrared obstacle avoidance sensors (200) are arranged on the outer circumference of the floor scrubber chassis (100), the signal input ends of the steering motor (101) and the drive motor (105) are connected to the signal output ends of the single chip computer (103) through wires, the output ends of the infrared obstacle avoidance sensors (200) are connected to the signal input ends of the single chip computer (103) through wires, and the steering motor (101) and the drive motor (105) are both controlled by the single chip computer (103).

3. The walking mechanism of a floor scrubber according to claim 2, characterized in that: Two groups of fixing plates (303) are fixedly installed on the bottom surface of the floor scrubber chassis (100), a lead screw (403) is rotatably connected between the two groups of fixing plates (303), one end surface of the lead screw (403) is threadedly connected to a sliding seat (410), and fixing rods (409) are fixedly installed on both sides of the sliding seat (410), and the two ends of the two groups of fixing rods (409) are respectively fixedly connected to one end surface of the corresponding side connecting rod (408), and one end surface of the lead screw (403) is provided with a rotating component for driving the lead screw (403) to rotate.

4. The walking mechanism of a floor scrubber according to claim 3, characterized in that: The rotating assembly comprises a fixed block (302) fixedly mounted on the bottom surface of the floor scrubber chassis (100); a worm (304) is rotatably connected between two groups of the fixed blocks (302); a worm wheel (305) is meshed on the surface of the worm (304); the worm wheel (305) is fixedly sleeved on the surface of the lead screw (403); one end of the worm (304) passes through the fixed block (302) and a rotating rod (300) is inserted on the surface.

5. The walking mechanism of a floor scrubber according to claim 3, characterized in that: A blocking block (404) is rotatably sleeved on the surface of the lead screw (403), and the surface of the blocking block (404) is fixedly connected to the surface of the floor scrubber chassis (100).

6. The walking mechanism of a floor scrubber according to claim 5, characterized in that: Two sets of slide grooves (401) are provided on the side opposite to the bottom plate (106) of the floor scrubber chassis (100), and the inner cavity of the slide groove (401) is slidably connected to a slider (411), and the slider (411) is fixedly connected to the surface of the corresponding side sliding block (402).

7. A walking mechanism of a floor scrubber according to any one of claims 1 to 6, characterized in that: A rubber pad (107) is bonded to the bottom of the bottom plate (106).

Images