Chassis structure of cleaning robot
By designing the installation mechanism and moving mechanism in the cleaning robot chassis, the problem of bristles and moving wheels being difficult to replace is solved, and rapid replacement and cleaning is achieved, sewage blockage is avoided, and the cleaning and maintenance of the chassis is simplified.
Patent Information
- Application Number
- CN202421545480.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-02
AI Technical Summary
When the existing cleaning robot chassis is not in use, the bristles and moving wheels are not easy to replace, resulting in sewage blocking the wheel grooves and making it difficult to clean.
A cleaning robot chassis structure is designed, including a mounting mechanism and a moving mechanism. The installation mechanism is connected by a dual-axis motor and threaded connection to achieve rapid installation and disassembly of the bristle plate and the moving wheel. The moving mechanism drives the suction cup and L-shaped plate to move through threaded rods and bevel gears, supporting the chassis and convenient cleaning.
It realizes rapid replacement and cleaning of bristle plates and moving wheels, avoids sewage blockage and simplifies the cleaning and maintenance of the chassis.
Smart Images

Figure CN222777286U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cleaning robots, in particular to a chassis structure of a cleaning robot. Background Art
[0002] A common chassis refers to a combination of four parts on a car, namely the transmission system, running system, steering system and braking system; the chassis of a cleaning robot is similar to the chassis structure of a car, which needs to support the overall structure and be equipped with moving parts; since the cleaning robot is a special robot serving humans, it is mainly engaged in household hygiene cleaning and washing, so the chassis contains components with cleaning functions.
[0003] China Patent Network discloses a cleaning robot chassis structure, with the announcement number: CN216602733U, including a mobile chassis, a lifting groove and a cleaning groove are provided at the bottom of the mobile chassis, a mobile body is slidably connected inside the lifting groove, an adjusting rod is rotatably connected to the top of the mobile chassis, a threaded hole is provided at the top of the mobile body, a threaded rod is fixedly installed at the bottom end of the adjusting rod passing through the lifting groove, and the threaded rod is threadedly connected to the threaded hole, a rotating shaft is rotatably connected to the inner wall on both sides of the cleaning groove, and a cleaning roller is fixedly sleeved on the surface of the rotating shaft. The utility model allows the mobile body to slide in the lifting groove provided in the mobile chassis, and the threaded rod at the bottom end of the adjusting rod is threadedly connected to the threaded hole, so that the mobile body can be installed into the mobile chassis or removed from the mobile chassis; when the mobile body is installed into the mobile chassis, the limiting rod and the limiting groove are used for positioning, so as to facilitate the docking of the threaded rod and the threaded hole.
[0004] The solution also has the following problems: when the cleaning robot is not in use, the bristles and moving wheels on the bottom of the robot are not easy to replace, so when there is sewage on the ground, it is easy to get stuck inside the wheel groove and is difficult to clean.
[0005] Therefore, we proposed a cleaning robot chassis structure to solve this problem. Utility Model Content
[0006] The purpose of the utility model is to provide a cleaning robot chassis structure to solve the problems raised in the above background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cleaning robot chassis structure, comprising a chassis, wherein a mounting mechanism and a moving mechanism are arranged inside the chassis;
[0008] The mounting mechanism comprises a supporting portion and a moving portion, wherein the supporting portion is located on the side of the moving portion;
[0009] The support part includes two dual-axis motors, the top surface of the chassis is provided with two first grooves, the inner walls of the two first grooves are respectively fixedly connected to the bottom surfaces of the two dual-axis motors, the two sides of the chassis are provided with two second through grooves, the inner walls of the two second through grooves are respectively hingedly provided with first support plates through hinged columns, and the sides of the two first support plates are respectively provided with two first screws;
[0010] The moving part includes a plurality of support frames, a plurality of fixing boxes are fixedly arranged on the side surfaces of the plurality of support frames, a plurality of inner sides of the plurality of fixing boxes are provided with threaded grooves, a plurality of inner walls of the threaded grooves are provided with brush plates through threaded connections, and two first bevel gears are fixedly sleeved on the end surfaces of the output rods of the two dual-axis motors.
[0011] A further improvement is that the moving mechanism includes a plurality of second threaded rods, the bottom surfaces of which are rotatably connected to the inner walls of the two first grooves through bearing seats respectively, and the second threaded rods are arranged to better drive the second bevel gear to engage.
[0012] Further improvements are: the outer surfaces of the two first screws are respectively connected to the side surfaces of the two first support plates by threads, the two first screw side surfaces are provided with two movable wheels, the outer surfaces of the two first screws are respectively connected to the inner side surfaces of the two movable wheels by threads, a collecting groove is opened through the top surface of the chassis, a baffle is fixed to the top surface of the chassis by bolts, the bottom surface of the baffle is in contact with the inner side surface of the collecting groove, and the inner groove is cleaned by providing a detachable movable wheel.
[0013] A further improvement is that a first L-shaped plate is threadedly sleeved on the outer surfaces of several second threaded rods, and a plurality of second bevel gears are fixedly sleeved on the lower end surfaces of several second threaded rods, so that the robot chassis is better supported by setting the first L-shaped plate.
[0014] A further improvement is that the side surfaces of a plurality of the second bevel gears are respectively meshed with the side surfaces of the four first bevel gears, and the second bevel gears are arranged to drive the second threaded rod to rotate, thereby moving the first L-shaped plate.
[0015] A further improvement is that the outer surfaces of several of the first L-shaped plates penetrate the inner walls of the two first grooves, the inner top surface of the chassis and extend to the top surface of the chassis from bottom to top, and the top surfaces of several of the first L-shaped plates are fixed with suction cups, so as to better support the robot chassis.
[0016] Compared with the prior art, the utility model has the following beneficial effects: the chassis structure of the cleaning robot can quickly install and disassemble the brush plate and the moving wheel by setting the installation mechanism, so that when cleaning the dust inside the groove, the surface of the brush plate can be effectively cleaned, thereby effectively maintaining the cleaning robot; the moving wheel can be installed by threading the first screw rod, and then during the cleaning process, the moving wheel can be disassembled, and the brush plates on both sides can be disassembled, which is convenient for replacement and cleaning;
[0017] By setting up a moving mechanism, the bottom surface of the chassis is supported, so that when the sweeping robot is not in use, the chassis can be supported to prevent sewage from entering the chassis; by starting the dual-axis motor to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear to engage, and the second bevel gear drives the second threaded rod to rotate, so that the second threaded rod drives the first L-shaped plate and the suction cup to move, thereby supporting the chassis and facilitating cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a partial front sectional view of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a three-dimensional front cross-sectional view of the structure of the utility model;
[0020] Figure 3 It is a three-dimensional partial front view of the structure of the utility model;
[0021] Figure 4 This is a three-dimensional top view of the structure of the utility model;
[0022] Figure 5 It is a schematic diagram of a partially exploded three-dimensional structure of the utility model.
[0023] In the figure: chassis 1, mounting mechanism 2, dual-axis motor 201, first support plate 203, support frame 205, first bevel gear 207, brush plate 206, moving wheel 204, moving mechanism 3, second threaded rod 301, first L-shaped plate 302, second bevel gear 303, suction cup 304. DETAILED DESCRIPTION
[0024] 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.
[0025] Embodiment 1
[0026] See also Figure 1-Figure 5 , the utility model provides a technical solution: a cleaning robot chassis structure, including a chassis 1, the interior of the chassis 1 is provided with a mounting mechanism 2 and a moving mechanism 3;
[0027] The mounting mechanism 2 includes a supporting portion and a moving portion, wherein the supporting portion is located on the side of the moving portion;
[0028] The support part includes two dual-axis motors 201, two first grooves are formed through the top surface of the chassis 1, the inner walls of the two first grooves are respectively fixedly connected to the bottom surfaces of the two dual-axis motors 201, two second through grooves are formed through the sides of the two chassis 1, and first support plates 203 are respectively hingedly provided on the inner walls of the two second through grooves through hinge columns, and two first screws are respectively provided on the sides of the two first support plates 203;
[0029] The moving part includes a plurality of support frames 205, and a plurality of fixing boxes are fixedly arranged on the sides of the plurality of support frames 205 respectively. The inner sides of the plurality of fixing boxes are all provided with threaded grooves, and the inner walls of the plurality of threaded grooves are all provided with brush plates 206 through threaded connections. The end faces of the output rods of the two dual-axis motors 201 are both fixedly sleeved with two first bevel gears 207.
[0030] Furthermore, in this embodiment, the installation mechanism 2 is provided to quickly install and disassemble the bristle plate 206 and the moving wheel 204, so that when cleaning the dust inside the groove, the surface of the bristle plate 206 can be effectively cleaned, thereby effectively maintaining the cleaning robot; the moving wheel 204 is installed by threading the first screw rod, and then during the cleaning process, the moving wheel 204 is disassembled, and the bristle plates 206 on both sides are disassembled, which is convenient for replacement and cleaning;
[0031] Embodiment 2
[0032] See also Figure 1-Figure 5 , and based on Example 1, further obtain:
[0033] The moving mechanism 3 includes a plurality of second threaded rods 301 , and the bottom surfaces of the plurality of second threaded rods 301 are rotatably connected to the inner walls of the two first grooves respectively through bearing seats.
[0034] Furthermore, in this embodiment, the outer surfaces of the two first screws are respectively connected to the side surfaces of the two first support plates 203 by threads, and two moving wheels 204 are provided on the side surfaces of the two first screws. The outer surfaces of the two first screws are respectively connected to the inner side surfaces of the two moving wheels 204 by threads, and a collecting groove is opened through the top surface of the chassis 1. A baffle is fixed on the top surface of the chassis 1 by bolts, and the bottom surface of the baffle is in contact with the inner side surface of the collecting groove.
[0035] Furthermore, in this embodiment, the outer surfaces of the plurality of second threaded rods 301 are all threadedly sleeved with the first L-shaped plates 302 , and the lower end surfaces of the plurality of second threaded rods 301 are fixedly sleeved with a plurality of second bevel gears 303 .
[0036] Furthermore, in this embodiment, the side surfaces of the plurality of second bevel gears 303 are respectively meshed with the side surfaces of the four first bevel gears 207 .
[0037] Furthermore, in this embodiment, the outer surfaces of several first L-shaped plates 302 penetrate the inner walls of the two first grooves, the inner top surface of the chassis 1 and extend to the top surface of the chassis 1 from bottom to top, and the top surfaces of several first L-shaped plates 302 are fixedly provided with suction cups 304.
[0038] Furthermore, this embodiment supports the bottom surface of the chassis 1 by setting up a moving mechanism 3, so that the chassis 1 can be supported when the sweeping robot is not in use, thereby preventing sewage from entering the chassis 1; by starting the dual-axis motor 201 to drive the first bevel gear 207 to rotate, the first bevel gear 207 drives the second bevel gear 303 to engage, and the second bevel gear 303 drives the second threaded rod 301 to rotate, so that the second threaded rod 301 drives the first L-shaped plate 302 and the suction cup 304 to move, thereby supporting the chassis 1 for easy cleaning.
[0039] When in use, the installation mechanism 2 is set to quickly install and disassemble the brush plate 206 and the moving wheel 204, so that when cleaning the dust inside the groove, the surface of the brush plate 206 is cleaned; the moving wheel 204 is installed by threading the first screw rod, and then during the cleaning process, the moving wheel 204 is disassembled, and the brush plates 206 on both sides are disassembled, and the moving mechanism 3 is set to support the bottom surface of the chassis 1, so that when the sweeping robot is not in use, the chassis 1 can be supported, thereby preventing sewage from entering the chassis 1; the dual-axis motor 201 is started to drive the first bevel gear 207 to rotate, so that the first bevel gear 207 drives the second bevel gear 303 to engage, and the second bevel gear 303 drives the second threaded rod 301 to rotate, so that the second threaded rod 301 drives the first L-shaped plate 302 and the suction cup 304 to move, thereby supporting the chassis 1.
[0040] Although the 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 cleaning robot chassis structure, comprising a chassis (1), characterized in that: The chassis (1) is provided with a mounting mechanism (2) and a moving mechanism (3) inside; The mounting mechanism (2) comprises a supporting portion and a moving portion, wherein the supporting portion is located on the side of the moving portion; The support part comprises two dual-axis motors (201); two first grooves are formed through the top surface of the chassis (1); the inner walls of the two first grooves are respectively fixedly connected to the bottom surfaces of the two dual-axis motors (201); two second through grooves are formed through the sides of the two chassis (1); first support plates (203) are respectively hingedly provided on the inner walls of the two second through grooves via hinged columns; and two first screw rods are respectively provided on the sides of the two first support plates (203); The moving part comprises a plurality of support frames (205), a plurality of fixing boxes are fixedly arranged on the side surfaces of the plurality of support frames (205), a plurality of inner side surfaces of the plurality of fixing boxes are provided with thread grooves, a plurality of inner walls of the thread grooves are provided with brush plates (206) through threaded connection, and two first bevel gears (207) are fixedly sleeved on the end surfaces of the output rods of the two dual-axis motors (201).
2. A cleaning robot chassis structure according to claim 1, characterized in that: The moving mechanism (3) comprises a plurality of second threaded rods (301), and the bottom surfaces of the plurality of second threaded rods (301) are rotatably connected to the inner walls of the two first grooves respectively via bearing seats.
3. A cleaning robot chassis structure according to claim 2, characterized in that: The outer surfaces of the two first screws are respectively connected to the side surfaces of the two first support plates (203) by threads, and the side surfaces of the two first screws are provided with two moving wheels (204). The outer surfaces of the two first screws are respectively connected to the inner side surfaces of the two moving wheels (204) by threads. A collecting groove is provided through the top surface of the chassis (1), and a baffle is fixedly provided on the top surface of the chassis (1) by bolts, and the bottom surface of the baffle is provided in contact with the inner side surface of the collecting groove.
4. A cleaning robot chassis structure according to claim 3, characterized in that: The outer surfaces of a plurality of the second threaded rods (301) are all threadedly sleeved with a first L-shaped plate (302), and the lower end surfaces of a plurality of the second threaded rods (301) are fixedly sleeved with a plurality of second bevel gears (303).
5. A cleaning robot chassis structure according to claim 4, characterized in that: The side surfaces of a plurality of the second bevel gears (303) are respectively meshed with the side surfaces of the four first bevel gears (207).
6. A cleaning robot chassis structure according to claim 5, characterized in that: The outer surfaces of the plurality of first L-shaped plates (302) penetrate from bottom to top the inner walls of the two first grooves, the inner top surface of the chassis (1) and extend to the top surface of the chassis (1), and the top surfaces of the plurality of first L-shaped plates (302) are fixedly provided with suction cups (304).
Citation Information
Patent Citations
Chassis structure of cleaning robot
CN216602733U