Mechanical arm for omni-directional rotatable cleaning service robot

Abstract

The utility model relates to an omni-directional rotatable mechanical arm for a cleaning service robot, which belongs to the technical field of cleaning service robots and comprises a cleaning service robot seat and a cleaning mechanical arm body. According to the omni-directional rotatable mechanical arm for the cleaning service robot, electric push rods on the front side and the rear side are started at the same time to drive supporting blocks on the front side and the rear side to move downwards in fixing grooves in the front side and the rear side at the same time, then the supporting blocks on the front side and the rear side touch the ground, and a cleaning service robot base and a cleaning mechanical arm body can be supported; when the cleaning service robot seat body moves on the ground, the cleaning brush can sweep dust on the lower surface of the cleaning service robot seat body, so that the cleaning service robot seat body is convenient to maintain; and the cleaned dust is pumped into the base body of the cleaning service robot to be collected through no less than two dust collection holes, so that the cleaning range of the cleaning service robot can be expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning service robots, in particular to a mechanical arm for an omnidirectionally rotatable cleaning service robot. Background Art

[0002] The cleaning service robot is a special robot that serves people. It is mainly engaged in floor cleaning and washing. When in use, the cleaning service robot is walking. The cleaning service robot is equipped with a mechanical arm with a cleaning structure to clean the floor.

[0003] For example, Chinese patent CN215272520U discloses a site cleaning service robot, which includes a main body, the main body is rotatably connected to a mopping roller, the main body is fixedly connected to a scraper, the scraper abuts against the mopping roller, the main body is fixedly connected to a water collection box for collecting waste water, and the water collection box is arranged toward the scraper opening, and the application has the effect of improving the cleaning effect of water-logged ground.

[0004] Although the above patent has the effect of improving the cleaning effect of water-logged ground, the bottom end of the cleaning service robot in the patent is used to set the driving structure, which is not convenient for supporting the cleaning service robot, and further not convenient for inspecting and repairing the components at the bottom end of the cleaning service robot. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an all-round rotatable mechanical arm for a cleaning service robot, which has the advantages of being convenient for supporting the cleaning service robot and thus convenient for repairing the components at the bottom of the cleaning service robot. It solves the problem that the bottom of the cleaning service robot is inconvenient for setting up a driving structure, making it inconvenient to support the cleaning service robot and thus inconvenient for repairing the components at the bottom of the cleaning service robot.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical arm for an omnidirectional rotatable cleaning service robot, comprising a cleaning service robot base and a cleaning mechanical arm body, a connecting mechanism is provided on the lower surface of the cleaning service robot base, a fixing ring is provided at the bottom end of the cleaning mechanical arm body, and a rotating mechanism is provided on the lower surface of the fixing ring;

[0007] The connecting mechanism includes a fixing groove opened on the front and rear sides of the bottom end of the cleaning service robot base body, the top wall of the inner cavity of the fixing groove is equipped with an electric push rod, and a support block is arranged on the outer side of the output shaft of the electric push rod. The left and right sides of the upper surface of the support block are fixed with limiting telescopic rods, and the top end of the limiting telescopic rod is fixedly connected to the top wall of the inner cavity of the fixing groove. The support block is located inside the fixing groove, and a connecting component is provided at the bottom end of the cleaning service robot base body.

[0008] Furthermore, the connecting component includes a mounting plate arranged at the bottom end of the cleaning service robot base, a cleaning brush is installed on the lower surface of the mounting plate, a dust suction pipe is arranged at the bottom end of the cleaning service robot base, and no less than two dust suction holes are opened on the lower surface of the dust suction pipe. The left and right sides of the dust suction pipe are connected with connecting pipes, and the opposite sides of the left and right dust suction pipes are connected to the dust suction structure inside the cleaning service robot base.

[0009] Furthermore, the position-limiting telescopic rod comprises a first sliding rod, and a second sliding rod is slidably connected to the outer side of the first sliding rod.

[0010] Furthermore, the rotating mechanism includes a rotating cylinder arranged on the lower surface of the fixing ring, the bottom end of the rotating cylinder is rotatably connected to the upper surface of the cleaning service robot base through a bearing, a motor is assembled on the right side of the upper surface of the cleaning service robot base, a first gear is arranged on the outer side of the motor output shaft, a second gear is meshed on the outer side of the first gear, and the second gear is arranged on the outer side of the rotating cylinder.

[0011] Furthermore, the dust suction holes, which are not less than two in number, are evenly distributed on the lower surface of the dust suction pipe.

[0012] Furthermore, the fixing grooves on the front and rear sides are symmetrically distributed on the front and rear sides of the transverse center axis of the cleaning service robot seat body.

[0013] Furthermore, the rotating cylinder is located on the longitudinal central axis of the cleaning service robot base, and protective frames are provided on both left and right sides of the upper surface of the fixing ring, and the cleaning robot arm body penetrates the right protective frame and extends to the right side.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The omnidirectional rotatable cleaning service robot arm drives the front and rear support blocks to move downward simultaneously inside the front and rear fixed grooves by simultaneously starting the front and rear electric push rods, and then the front and rear support blocks touch the ground, so that the cleaning service robot base and the cleaning robot arm body can be supported, which is convenient for inspecting and repairing the components at the bottom of the cleaning service robot base. When the cleaning service robot base moves on the ground, the cleaning brush can clean the dust on the lower surface of the cleaning service robot base, and then pump the cleaned dust into the interior of the cleaning service robot base through no less than two dust suction holes for collection, which can improve the cleaning range of the cleaning service robot.

[0016] 2. The all-round rotatable cleaning service robot arm can drive the cleaning arm body to rotate by starting the motor. The cleaning arm body is provided with a cleaning structure and a dust suction structure, which can sweep and collect dust on the ground. The motor can drive the cleaning arm body to rotate in all directions, which is convenient for cleaning the ground that is difficult to clean and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a bottom view of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the connection mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the rotating mechanism of the utility model.

[0021] In the figure: 1 cleaning service robot base, 2 cleaning robot arm body, 3 connecting mechanism, 301 fixing slot, 302 electric push rod, 303 supporting block, 304 limiting telescopic rod, 305 mounting plate, 306 cleaning brush, 307 dust suction pipe, 308 dust suction hole, 309 connecting pipe, 4 fixing ring, 5 rotating mechanism, 501 rotating cylinder, 502 motor, 503 first gear, 504 second gear. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1 to 2 In this embodiment, a fully rotatable cleaning service robot robot arm comprises a cleaning service robot base 1 and a cleaning robot arm body 2. A connecting mechanism 3 is provided on the lower surface of the cleaning service robot base 1. The connecting mechanism 3 is convenient for supporting the cleaning service robot, and then convenient for repairing the components at the bottom of the cleaning service robot. A fixing ring 4 is provided at the bottom end of the cleaning robot arm body 2. A rotating mechanism 5 is provided on the lower surface of the fixing ring 4. The rotating mechanism 5 drives the cleaning robot arm body 2 to rotate in all directions, which is convenient for cleaning the ground that is difficult to clean.

[0024] In this embodiment, the floor can be cleaned through the cooperation between the cleaning service robot base 1 and the cleaning robot arm body 2. A cleaning structure is provided at one end of the cleaning robot arm body 2. The cleaning structure is driven by the cleaning robot arm body 2 to clean dust on the floor. At the same time, the cleaning service robot base 1 drives the cleaning robot arm body 2 to move on the floor. The interior of the cleaning robot arm body 2 is provided with a dust suction structure and a dust collection structure.

[0025] See also Figure 3 In order to facilitate the support of the cleaning service robot and to facilitate the maintenance of the components at the bottom of the cleaning service robot, in this embodiment, the connecting mechanism 3 includes a fixing groove 301 opened on the front and rear sides of the bottom end of the cleaning service robot base 1, and the top wall of the inner cavity of the fixing groove 301 is equipped with an electric push rod 302, and a support block 303 is arranged on the outer side of the output shaft of the electric push rod 302. The left and right sides of the upper surface of the support block 303 are fixed with a limiting telescopic rod 304, and the top of the limiting telescopic rod 304 is fixedly connected to the top wall of the inner cavity of the fixing groove 301. The support block 303 is located inside the fixing groove 301, and a connecting component is provided at the bottom end of the cleaning service robot base 1.

[0026] In this embodiment, by simultaneously starting the front and rear electric push rods 302, the front and rear support blocks 303 are driven to move downward simultaneously inside the front and rear fixed grooves 301, and then the front and rear support blocks 303 touch the ground, so that the cleaning service robot base 1 and the cleaning robot arm body 2 can be supported, which is convenient for the inspection and maintenance of the moving wheels on the bottom wall of the cleaning service robot base 1.

[0027] In this embodiment, the connecting component includes a mounting plate 305 arranged at the bottom end of the cleaning service robot base 1, a cleaning brush 306 is installed on the lower surface of the mounting plate 305, a dust suction pipe 307 is arranged at the bottom end of the cleaning service robot base 1, and no less than two dust suction holes 308 are opened on the lower surface of the dust suction pipe 307, and connecting pipes 309 are connected to the left and right sides of the dust suction pipe 307.

[0028] In this embodiment, the opposite sides of the left and right dust suction tubes 307 are connected to the internal dust suction structure of the cleaning service robot base 1, the limiting telescopic rod 304 includes a first slide bar, and the outer side of the first slide bar is slidably connected to the second slide bar, and at least two dust suction holes 308 are evenly distributed on the lower surface of the dust suction tube 307, and the front and rear side fixing grooves 301 are symmetrically distributed on the front and rear sides of the horizontal center axis of the cleaning service robot base 1.

[0029] It should be noted that when the cleaning service robot base 1 moves on the ground, the cleaning brush 306 can clean the dust on the lower surface of the cleaning service robot base 1, and then pump the cleaned dust into the interior of the cleaning service robot base 1 through at least two dust suction holes 308 for collection, which can improve the cleaning range of the cleaning service robot.

[0030] See also Figure 4 In order to drive the cleaning robot arm body 2 to rotate in all directions and facilitate cleaning of floors that are difficult to clean, in this embodiment, the rotating mechanism 5 includes a rotating cylinder 501 arranged on the lower surface of the fixing ring 4, and the bottom end of the rotating cylinder 501 is rotatably connected to the upper surface of the cleaning service robot base 1 through a bearing. A motor 502 is installed on the right side of the upper surface of the cleaning service robot base 1, and a first gear 503 is arranged on the outer side of the output shaft of the motor 502. A second gear 504 is meshed with the outer side of the first gear 503, and the second gear 504 is arranged on the outer side of the rotating cylinder 501.

[0031] In this embodiment, the first gear 503 and the second gear 504 can be driven to rotate by starting the motor 502, and the rotating cylinder 501 and the cleaning robot arm body 2 can be driven to rotate.

[0032] In this embodiment, the rotating cylinder 501 is located on the longitudinal center axis of the cleaning service robot base 1, and protective frames are provided on both sides of the upper surface of the fixing ring 4. The cleaning robot arm body 2 passes through the right protective frame and extends to the right side.

[0033] It should be noted that the cleaning robot arm body 2 is provided with a cleaning structure and a dust suction structure, which can sweep and collect dust on the ground. The motor 502 can drive the cleaning robot arm body 2 to rotate in all directions, which is convenient for cleaning the ground that is difficult to clean and improves practicality.

[0034] The working principle of the above embodiment is:

[0035] (1) By simultaneously starting the front and rear electric push rods 302, the front and rear support blocks 303 are driven to move downward simultaneously inside the front and rear fixed grooves 301, and then the front and rear support blocks 303 touch the ground, the cleaning service robot base 1 and the cleaning robot arm body 2 can be supported, which is convenient for inspecting the moving wheels on the bottom wall of the cleaning service robot base 1. When the cleaning service robot base 1 moves on the ground, the cleaning brush 306 can clean the dust on the lower surface of the cleaning service robot base 1, and then the cleaned dust is sucked into the interior of the cleaning service robot base 1 through at least two dust suction holes 308 for collection, which can improve the cleaning range of the cleaning service robot.

[0036] (2) By starting the motor 502, the first gear 503 and the second gear 504 can be driven to rotate, and the rotating cylinder 501 can be driven to rotate the cleaning robot arm body 2. The cleaning robot arm body 2 is provided with a cleaning structure and a dust suction structure, which can sweep and collect dust on the ground. The motor 502 can drive the cleaning robot arm body 2 to rotate in all directions, which is convenient for cleaning the ground that is difficult to clean, thereby improving practicality.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A mechanical arm for an omnidirectionally rotatable cleaning service robot, comprising a cleaning service robot base (1) and a cleaning mechanical arm body (2), characterized in that: The lower surface of the cleaning service robot base (1) is provided with a connection mechanism (3), the bottom end of the cleaning robot arm body (2) is provided with a fixing ring (4), and the lower surface of the fixing ring (4) is provided with a rotating mechanism (5); The connection mechanism (3) comprises a fixing groove (301) provided at the front and rear sides of the bottom end of the cleaning service robot base (1); the top wall of the inner cavity of the fixing groove (301) is equipped with an electric push rod (302); a support block (303) is provided on the outer side of the output shaft of the electric push rod (302); a limiting telescopic rod (304) is fixed on both the left and right sides of the upper surface of the support block (303); the top end of the limiting telescopic rod (304) is fixedly connected to the top wall of the inner cavity of the fixing groove (301); the support block (303) is located inside the fixing groove (301); and a connection component is provided at the bottom end of the cleaning service robot base (1).

2. The omnidirectional rotatable cleaning service robot mechanical arm according to claim 1, characterized in that: The connection assembly comprises a mounting plate (305) arranged at the bottom end of the cleaning service robot base (1), a cleaning brush (306) being mounted on the lower surface of the mounting plate (305), a dust suction pipe (307) being arranged at the bottom end of the cleaning service robot base (1), a number of dust suction holes (308) being opened on the lower surface of the dust suction pipe (307), connecting pipes (309) being connected to the left and right sides of the dust suction pipe (307), and the opposite sides of the left and right dust suction pipes (307) being connected to the internal dust suction structure of the cleaning service robot base (1).

3. The omnidirectional rotatable cleaning service robot mechanical arm according to claim 1, characterized in that: The position-limiting telescopic rod (304) comprises a first sliding rod, and a second sliding rod is slidably connected to the outer side of the first sliding rod.

4. The omnidirectional rotatable cleaning service robot mechanical arm according to claim 1, characterized in that: The rotating mechanism (5) comprises a rotating cylinder (501) arranged on the lower surface of the fixing ring (4); the bottom end of the rotating cylinder (501) is rotatably connected to the upper surface of the cleaning service robot base (1) via a bearing; a motor (502) is mounted on the right side of the upper surface of the cleaning service robot base (1); a first gear (503) is arranged on the outer side of the output shaft of the motor (502); a second gear (504) is meshed with the outer side of the first gear (503); and the second gear (504) is arranged on the outer side of the rotating cylinder (501).

5. The omnidirectional rotatable cleaning service robot mechanical arm according to claim 2, characterized in that: The dust suction holes (308), the number of which is not less than two, are evenly distributed on the lower surface of the dust suction pipe (307).

6. The omnidirectional rotatable cleaning service robot mechanical arm according to claim 1, characterized in that: The fixing grooves (301) on the front and rear sides are symmetrically distributed on the front and rear sides of the transverse central axis of the cleaning service robot base (1).

7. The omnidirectional rotatable cleaning service robot mechanical arm according to claim 4, characterized in that: The rotating cylinder (501) is located on the longitudinal center axis of the cleaning service robot body (1), and protective frames are provided on both left and right sides of the upper surface of the fixing ring (4), and the cleaning robot arm body (2) passes through the right protective frame and extends to the right side.

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