Mobile robotic trash can

By designing a mobile robotic trash can that moves autonomously and opens and closes automatically, the problem of bedridden people having difficulty disposing of trash has been solved, thus improving the quality of their living environment.

CN224312464UActive Publication Date: 2026-06-02CHONGQING HUISI ROBOT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING HUISI ROBOT CO LTD
Filing Date
2025-06-19
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing smart trash cans cannot move autonomously to the vicinity of people with limited mobility, making it difficult for bedridden people to dispose of their trash, and the odor emitted from the trash cans affects the living environment.

Method used

Design a mobile robot trash can that uses a mobile base and a rotatable bin structure. It can move and open and close autonomously by driving a motor to drive the walking gears and the top cover, and is suitable for the trash disposal needs of bedridden people.

Benefits of technology

The mobile robot trash can has been made autonomously movable and automatically opens and closes its lid, making it convenient for bedridden people to dispose of their trash, preventing odors from emanating from the trash, and improving the quality of their living environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of mobile robot garbage can, including mobile base, the mobile base upper is equipped with barrel, barrel is rotatably connected with mobile base and can rotate around its axis, the lower side of barrel is fixed with annular rack, first motor is equipped on mobile base, the output shaft of first motor is drivingly connected with walking gear, walking gear partially exposes on the upper side of mobile base and is engaged with the annular rack;Walking assembly that can drive itself to move on ground is equipped on the mobile base;The upper end of barrel is equipped with upper cover that can be actively opened and closed.The utility model is used, by mobile base actively moves to the vicinity of user, when upper cover is opened, first motor drives barrel to rotate by walking gear, so that upper cover opening side is opposite user, so that it can be conveniently thrown into barrel for mobile restricted population, and it is suitable for use in medical care scene.
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Description

Technical Field

[0001] This utility model relates to the field of indoor intelligent trash can technology, specifically to a mobile robot trash can. Background Technology

[0002] Indoor trash cans have brought convenience to people's daily lives and improved their indoor living environment. However, trash cans are generally placed in fixed locations. In medical settings, for bedridden or other people who have difficulty moving, if the trash can is not within easy reach, it can be difficult to dispose of trash. This is especially true for some trash cans with lids, which require approaching the can to open and dispose of the trash, making it even more inconvenient for these individuals. Therefore, there is an urgent need to address the problem of bedridden people finding it difficult to dispose of trash properly.

[0003] Recently, some smart trash cans with intelligent sensor-activated lids have appeared on the market. However, these trash cans still cannot move autonomously near people with limited mobility and leave after disposing of trash, thus the problem of difficulty for people with limited mobility to dispose of trash remains. In addition, some trash cans are equipped with casters, but these are mainly large trash cans used for public cleaning and rely primarily on manual pushing or trolley pulling, and cannot move autonomously, thus still not solving the aforementioned problems. Utility Model Content

[0004] To solve at least one of the above technical problems, this utility model provides a mobile robot trash can.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows:

[0006] This utility model provides a mobile robot trash can, including a mobile base, a bin body on top of the mobile base, the bin body being rotatably connected to the mobile base and capable of rotating around its own axis, a ring rack fixed to the lower side of the bin body, a first motor on the mobile base, a walking gear being drivenly connected to the output shaft of the first motor, the walking gear part being exposed on the upper side of the mobile base and meshing with the ring rack; a walking assembly capable of driving itself to move on the ground is provided on the mobile base; and an actively opening and closing top cover is provided at the upper end of the bin body.

[0007] The beneficial effects of this utility model are:

[0008] This invention utilizes a mobile base that actively moves the bin to the user's vicinity. When the lid opens, a first motor drives the bin to rotate via a traveling gear, ensuring the opening of the lid faces the user. This allows people with limited mobility to easily dispose of their trash, making it suitable for use in medical settings. After trash is disposed of, the lid automatically closes, and the mobile base moves the bin away autonomously, preventing odors from emanating from the trash and improving the user's living environment. It also facilitates regular cleaning by sanitation workers. Furthermore, the bin is rotatably connected to the mobile base, which can support the weight of the bin, eliminating the need for the traveling gears to bear the weight, resulting in high reliability and a long service life.

[0009] Based on the above technical solution, the present invention can be further improved as follows.

[0010] Furthermore, the walking assembly includes a walking mechanism and a steering mechanism, with the walking mechanism mounted at one end of the movable base and the steering mechanism mounted at the other end of the movable base.

[0011] It is easy to control the mobile base to move and turn, has good flexibility, and can move a wide range.

[0012] Furthermore, the walking mechanism includes a second motor, which is fixed to the lower part of the movable base. The output shaft of the second motor is driven to a walking wheel, which is rotatably connected to the movable base.

[0013] The second motor drives the walking wheels, which move on the ground. The control is convenient and can be remotely controlled.

[0014] Furthermore, the output shaft of the second motor extends horizontally out of one side of the movable base and is fixedly connected to the walking wheel.

[0015] It has a simple structure and low cost.

[0016] Furthermore, the second motor is provided in two parts and is fixed to the left and right sides of one end of the movable base respectively.

[0017] It facilitates the simultaneous movement of both sides of the movable base, thus ensuring high reliability and sufficient power for its linear motion.

[0018] Furthermore, the steering mechanism includes a third motor and a steering wheel fork. The third motor is fixed inside the movable base, and the steering wheel fork is vertically installed at the other end of the movable base. A caster is installed at the lower end of the steering wheel fork. A steering shaft is fixed at the middle of the upper end of the steering wheel fork. The upper end of the steering shaft extends into the movable base and is fixed with a steering driven wheel. The output shaft of the third motor is connected to the steering driven wheel in a transmission manner.

[0019] The third motor drives the steering driven wheel to rotate, and the steering driven wheel drives the steering wheel fork to rotate through the steering shaft, which realizes turning when the mobile base moves, making operation convenient.

[0020] Furthermore, the steering mechanism also includes a mounting plate, which is rotatably connected to the middle of the steering shaft and fixed to the lower side of the movable base; a thrust bearing is provided between the mounting plate and the steering wheel fork.

[0021] It facilitates the installation of the steering mechanism on the mobile base, making installation convenient; the weight of the mobile base is supported by the thrust bearing, resulting in low rotational resistance of the steering wheel fork and good steering reliability of the mobile base.

[0022] Furthermore, the mounting plate is fixed to the lower side of the movable base with screws; steering wheel forks are installed on both the left and right sides of the other end of the movable base.

[0023] The steering mechanism is easy to disassemble and assemble, and has low maintenance costs; the two steering wheel forks simultaneously support the left and right sides of the other end of the mobile base, improving the stability of the mobile base's movement.

[0024] Furthermore, a vertical rotating shaft is provided in the upper middle part of the movable base, and a mounting boss is provided in the inner bottom of the barrel. The upper end of the vertical rotating shaft extends into the mounting boss and is rotatably connected to the mounting boss.

[0025] It is easy to assemble and disassemble, and the mounting boss increases the connection length at the upper end of the shaft, improving the stability of the barrel rotation.

[0026] Furthermore, the top cover includes a fixed cover and a movable cover, both of which are quarter-sphere in shape. The fixed cover is fixedly connected to the barrel body, and the movable cover is located inside the fixed cover. Horizontal rotating shafts are fixed at both ends of the movable cover and are rotatably connected to the fixed cover. One of the horizontal rotating shafts passes through the fixed cover and is fixed with a sector gear. A fourth motor is fixed on the side wall of the barrel body, and an opening gear is fixed on the output shaft of the fourth motor. The opening gear meshes with the sector gear.

[0027] The fourth motor drives the sector gear to rotate through the cover-opening gear. The sector gear can drive the movable cover to rotate through the horizontal rotating shaft, realizing the opening and closing of the movable cover. It is easy to operate and convenient for remote control. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of this utility model.

[0029] Figure 2 This utility model is based on Figure 1 A schematic diagram of the structure in the rear view direction.

[0030] Figure 3 for Figure 2 Detailed drawing of Part A.

[0031] In the accompanying drawings, the technical features represented by each reference numeral are as follows:

[0032] 1-Moving base; 2-Bucket body; 3-Ring rack; 4-First motor; 5-Traveling gear; 6-Second motor; 7-Traveling wheel; 8-Third motor; 9-Steering wheel fork; 10-Cast wheel; 11-Steering shaft; 12-Steering driven wheel; 13-Steering drive gear; 14-Mounting plate; 15-Thrust bearing; 16-Vertical shaft; 17-Mounting boss; 18-Fixed cover; 19-Moving cover; 20-Horizontal shaft; 21-Sector gear; 22-Fourth motor; 23-Opening gear. Detailed Implementation

[0033] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0034] This utility model refers to Figure 1-3 .

[0035] This utility model provides a mobile robot trash can, including a mobile base 1, a bin body 2 on top of the mobile base 1, the bin body 2 being rotatably connected to the mobile base 1 and capable of rotating around its own axis, a ring rack 3 fixed to the lower side of the bin body 2, a first motor 4 on the mobile base 1, a walking gear 5 being drivenly connected to the output shaft of the first motor 4, the walking gear 5 being partially exposed on the upper side of the mobile base 1 and meshing with the ring rack 3; a walking assembly capable of driving itself to move on the ground is provided on the mobile base 1; and an actively opening and closing top cover is provided at the upper end of the bin body 2.

[0036] The principle of this mobile robot trash can is as follows:

[0037] The mobile base 1 can utilize existing technologies such as remote-controlled car bases or robot bases, which naturally include a walking assembly for easy movement on the ground via remote control or voice control. The first motor 4 is preferably a remote-controlled motor or a smart motor, but a wireless motor controller can also be used to connect to the first motor 4, facilitating rotation of the bin 2 via remote control or voice control. The top cover can adopt any existing smart trash can cover structure.

[0038] In use, the mobile base 1 is moved closer to the user via remote control, and the top cover is opened. The first motor 4 operates, driven by the traveling gear 5 and the ring rack 3, thereby rotating the bin 2 so that the opening of the top cover faces the user, allowing them to dispose of trash. After use or when full, the top cover is closed, and the mobile base 1 is moved away from the user. It can also be moved to a designated area for cleaning staff to handle.

[0039] This invention utilizes a mobile base 1 that actively moves to the vicinity of the user. When the top cover is opened, the first motor 4 drives the bin 2 to rotate via the traveling gear 5, so that the opening side of the top cover faces the user. This allows people with limited mobility to conveniently dispose of trash into the bin, making it suitable for widespread use in medical settings. After trash is disposed of, the top cover can automatically close, and the mobile base 1 can move the bin 2 away autonomously, preventing odors from emanating from the trash inside the bin 2 and improving the user's living environment. It also facilitates regular cleaning by sanitation workers. Furthermore, the bin 2 is rotatably connected to the mobile base 1, which can bear the weight of the bin 2, while the traveling gear 5 does not need to bear the weight of the bin 2, resulting in high reliability and a long service life.

[0040] Furthermore, the walking assembly includes a walking mechanism and a steering mechanism, with the walking mechanism mounted at one end of the movable base 1 and the steering mechanism mounted at the other end of the movable base 1.

[0041] The mobile base 1 is easy to control for walking and turning, offering good flexibility and a wide range of movement.

[0042] Furthermore, such as Figure 1 As shown: The walking mechanism includes a second motor 6, which is fixed to the lower part of the movable base 1. The output shaft of the second motor 6 is driven to a walking wheel 7, which is rotatably connected to the movable base 1.

[0043] Preferably, the second motor 6 is a remote-controlled motor or an intelligent voice-activated motor, facilitating remote control. The output shaft of the second motor 6 can be directly and fixedly connected to the walking wheel 7, or it can be connected to the walking wheel 7 through a gear transmission mechanism.

[0044] The second motor 6 drives the walking wheel 7, which moves on the ground. It is easy to control and can be remotely controlled.

[0045] Furthermore, the output shaft of the second motor 6 extends horizontally out of one side of the movable base 1 and is fixedly connected to the walking wheel 7.

[0046] It has a simple structure and low cost.

[0047] Furthermore, the second motor 6 is provided in two parts and is fixed to the left and right sides of one end of the movable base 1 respectively.

[0048] This facilitates the simultaneous movement of both sides of the movable base 1, thereby ensuring good reliability of its linear motion and sufficient power.

[0049] Furthermore, such as Figure 2-3As shown: The steering mechanism includes a third motor 8 and a steering wheel fork 9. The third motor 8 is fixed inside the movable base 1. The steering wheel fork 9 is vertically installed at the other end of the movable base 1. A caster 10 is installed at the lower end of the steering wheel fork 9. A steering shaft 11 is fixed at the middle of the upper end of the steering wheel fork 9. The upper end of the steering shaft 11 extends into the movable base 1 and is fixed with a steering driven wheel 12. The output shaft of the third motor 8 is connected to the steering driven wheel 12 in a transmission connection.

[0050] Preferably, the driven steering wheel 12 is a gear, and a driving steering gear 13 is fixed on the output shaft of the third motor 8, which meshes with the driven steering wheel 12. The third motor 8 is a remote-controlled motor or an intelligent voice motor, which facilitates remote control.

[0051] The third motor 8 drives the steering driven wheel 12 to rotate, and the steering driven wheel 12 drives the steering wheel fork 9 to rotate through the steering shaft 11, realizing the turning when the mobile base 1 moves, which is convenient to operate.

[0052] Furthermore, the steering mechanism also includes a mounting plate 14, which is rotatably connected to the middle of the steering shaft 11 and fixed to the lower side of the movable base 1; a thrust bearing 15 is provided between the mounting plate 14 and the steering wheel fork 9.

[0053] It facilitates the installation of the steering mechanism on the mobile base 1, making installation convenient; the weight of the mobile base 1 is borne by the thrust bearing 15, resulting in low rotational resistance of the steering wheel fork 9 and good steering reliability of the mobile base 1.

[0054] Furthermore, the mounting plate 14 is fixed to the lower side of the movable base 1 by screws; steering wheel forks 9 are installed on both the left and right sides of the other end of the movable base 1.

[0055] The steering mechanism is easy to disassemble and assemble, and the maintenance cost is low. The two steering wheel forks 9 simultaneously support the left and right sides of the other end of the mobile base 1, which improves the stability of the mobile base 1 when it moves.

[0056] Furthermore, such as Figure 1 As shown: The upper middle part of the movable base 1 is provided with a vertical rotating shaft 16, and the inner bottom of the barrel 2 is provided with a mounting boss 17. The upper end of the vertical rotating shaft 16 extends into the mounting boss 17 and is rotatably connected to the mounting boss 17.

[0057] Note: The vertical pivot 16 can be rotatably connected to the movable base 1, or it can be fixedly connected.

[0058] It is easy to assemble and disassemble, and the installation of boss 17 increases the connection length at the upper end of the shaft, thereby improving the stability of the rotation of barrel 2.

[0059] Furthermore, the upper cover includes a fixed cover 18 and a movable cover 19, both of which are quarter-sphere in shape. The fixed cover 18 is fixedly connected to the barrel body 2, and the movable cover 19 is located inside the fixed cover 18. Horizontal rotating shafts 20 are fixed at both ends of the movable cover 19 and are rotatably connected to the fixed cover 18. One of the horizontal rotating shafts 20 passes through the fixed cover 18 and is fixed with a sector gear 21. A fourth motor 22 is fixed on the side wall of the barrel body 2, and an opening gear 23 is fixed on the output shaft of the fourth motor 22. The opening gear 23 meshes with the sector gear 21.

[0060] Note: The sector gear 21 is a semi-circular or sector-shaped gear. Since the rotation range of the fixed cover 18 is only 90°-180°, the use of the sector gear 21 can save materials and reduce weight.

[0061] Preferably, the fixed cover 18 and the barrel body 2 can be fixedly connected by a buckle, which ensures that the opening gear 23 and the sector gear 21 mesh, while facilitating disassembly and assembly. The fourth motor 22 is a remote control motor or an intelligent voice motor, which facilitates remote control.

[0062] The fourth motor 22 drives the sector gear 21 to rotate through the cover opening gear 23. The sector gear 21 can drive the movable cover 19 to rotate through the horizontal rotating shaft 20, realizing the opening and closing of the movable cover 19. It is easy to operate and convenient for remote control.

[0063] In the description of this utility model, it should be understood that if descriptive terms indicating orientation, direction, or positional relationship appear, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc., the orientation or positional relationship indicated in this specification is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of understanding this utility model and simplifying the description, and does not indicate or imply that the part, element, or whole referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0064] Furthermore, if sequential descriptive terms such as "first," "second," etc., appear, their purpose in this specification is for ease of understanding or simplification. For example, to distinguish multiple technical features of the same type or function, which must be mentioned separately, this specification may use prefixes or suffixes to differentiate them. Therefore, they should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first," "second," etc., may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0065] In this utility model, if descriptive terms describing structural relationships are used, such as "installation," "connection," "joining," and "fixing," they should be interpreted broadly unless otherwise explicitly specified and limited. For example, "installation," "connection," and "joining" can refer to a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two components or the interaction between two components. "Fixing" can refer to an integral fixation or a detachable fixation using fasteners; it can be a direct fixation or a fixation through an intermediate medium. For those skilled in the art, the specific meaning of the above descriptive terms in this utility model can be understood based on the specific circumstances, the context, and the coherence of the preceding and following text.

[0066] In this utility model, if descriptive terms containing subordinate or connecting meanings appear, such as "above" or "below" the second feature, they should not be interpreted restrictively unless otherwise explicitly specified and limited. For example, "above" or "below" can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. For those skilled in the art, the specific meaning of the above descriptive terms in this utility model can be understood according to the specific circumstances, the context, and the coherence of the preceding and following text.

[0067] Furthermore, "above," "on top of," and "above" the first feature in relation to the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0068] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments, examples, and features described in this specification, and such combinations or integrations should all fall within the scope of the present invention.

[0069] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Variations, modifications, substitutions, and modifications made by those skilled in the art to the above embodiments within the scope of information available through public channels and in conjunction with the technical teachings given in this application are still covered within the protection scope of this application.

Claims

1. A mobile robotic trash can, characterized by: The device includes a movable base (1), a barrel (2) on top of the movable base (1), the barrel (2) being rotatably connected to the movable base (1) and capable of rotating around its own axis, a ring rack (3) fixed on the lower side of the barrel (2), a first motor (4) on the movable base (1), a walking gear (5) being drivenly connected to the output shaft of the first motor (4), the walking gear (5) being partially exposed on the upper side of the movable base (1) and meshing with the ring rack (3); a walking assembly capable of driving itself to move on the ground is provided on the movable base (1); and an upper cover that can be actively opened and closed is provided at the upper end of the barrel (2).

2. The mobile robotic trash can of claim 1, wherein: The walking assembly includes a walking mechanism and a steering mechanism. The walking mechanism is installed at one end of the movable base (1), and the steering mechanism is installed at the other end of the movable base (1).

3. The mobile robotic trash can of claim 2, wherein: The walking mechanism includes a second motor (6), which is fixed to the lower part of the movable base (1). The output shaft of the second motor (6) is connected to a walking wheel (7), which is rotatably connected to the movable base (1).

4. The mobile robotic trash can of claim 3, wherein: The output shaft of the second motor (6) extends horizontally out of one side of the movable base (1) and is fixedly connected to the walking wheel (7).

5. The mobile robotic trash can of claim 4, wherein: The second motor (6) is provided in two parts and is fixed to the left and right sides of one end of the movable base (1).

6. The mobile robotic trash can of claim 2, wherein: The steering mechanism includes a third motor (8) and a steering wheel fork (9). The third motor (8) is fixed inside the movable base (1). The steering wheel fork (9) is vertically installed at the other end of the movable base (1). A caster (10) is installed at the lower end of the steering wheel fork (9). A steering shaft (11) is fixed at the middle of the upper end of the steering wheel fork (9). The upper end of the steering shaft (11) extends into the movable base (1) and is fixed with a steering driven wheel (12). The output shaft of the third motor (8) is connected to the steering driven wheel (12) for transmission.

7. The mobile robotic trash can of claim 6, wherein: The steering mechanism also includes a mounting plate (14), which is rotatably connected to the middle of the steering shaft (11). The mounting plate (14) is fixed to the lower side of the movable base (1). A thrust bearing (15) is provided between the mounting plate (14) and the steering wheel fork (9).

8. The mobile robotic trash can of claim 7, wherein: The mounting plate (14) is fixed to the lower side of the movable base (1) by screws; steering wheel forks (9) are installed on both the left and right sides of the other end of the movable base (1).

9. The mobile robotic trash can of claim 1, wherein: The upper middle part of the movable base (1) is provided with a vertical rotating shaft (16), and the inner bottom of the barrel (2) is provided with a mounting boss (17). The upper end of the vertical rotating shaft (16) extends into the mounting boss (17) and is rotatably connected to the mounting boss (17).

10. The mobile robot trash can according to claim 1, characterized in that: The top cover includes a fixed cover (18) and a movable cover (19), both of which are quarter-sphere in shape. The fixed cover (18) is fixedly connected to the barrel body (2). The movable cover (19) is located inside the fixed cover (18). Horizontal rotating shafts (20) are fixed at both ends of the movable cover (19). The horizontal rotating shafts (20) are rotatably connected to the fixed cover (18). One of the horizontal rotating shafts (20) passes through the fixed cover (18) and is fixed with a sector gear (21). A fourth motor (22) is fixed on the side wall of the barrel body (2). An opening gear (23) is fixed on the output shaft of the fourth motor (22). The opening gear (23) meshes with the sector gear (21).