Steering device of sweeping machine

Abstract

The utility model discloses a steering device of a sweeping machine. Comprising a base, a fixing cylinder, a rotating cylinder, a first bearing, a gear ring, a transmission mechanism, a support, a screw rod, a first motor, a fixing frame, a rotating shaft, a second bearing, a first bevel gear, a driving mechanism, a second bevel gear, a supporting column, a connecting shaft, a fixing plate, a second motor, a mounting base, a third bevel gear, a sleeve, a transmission shaft, a rolling wheel, a rotating mechanism, a third bearing and a fourth bevel gear. A rotating cylinder is inserted in the middle of the fixed cylinder, first bearings are fixedly connected to the upper end and the lower end of the interior of the fixed cylinder, the rotating cylinder is fixedly inserted in the middles of the first bearings, the upper end of the rotating cylinder is fixedly sleeved with a gear ring, and a transmission mechanism is arranged at the front end of the gear ring. Compared with the prior art, the utility model has the advantages that the steering and rotation related structures of the roller are combined together, so that the steering and rotation speed of the roller are convenient to control, the occupied space is smaller, and the installation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sweeping robots, in particular to a steering device for sweeping machines. Background Art

[0002] A sweeping robot is a type of smart home appliance that can automatically clean the floor in a room with a certain degree of artificial intelligence. It generally uses brushing and vacuuming to absorb debris on the floor into its own garbage storage box, thereby completing the function of floor cleaning. Generally speaking, robots that complete sweeping, vacuuming, and mopping are also collectively classified as sweeping robots. The development direction of sweeping robots will be higher cleaning effects, higher cleaning efficiency, and larger cleaning areas brought about by more advanced artificial intelligence, but the existing technology still has defects:

[0003] The existing sweeping robots usually use motors to control the casters to achieve the steering of the sweeping robots. The direction of the casters cannot be adjusted separately, and the rotation and direction control of the casters cannot be combined together, and the assembly is not convenient enough. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above-mentioned defects and provide a steering device for a sweeping machine.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a steering device of a sweeping machine comprises a base, a fixed cylinder is inserted in the middle of the base, a rotating cylinder is inserted in the middle of the fixed cylinder, the upper and lower ends of the fixed cylinder are fixedly connected with bearing 1, the rotating cylinder is fixedly inserted in the middle of the bearing 1, the upper end of the rotating cylinder is fixedly sleeved with a gear ring, and a transmission mechanism is arranged at the front end of the gear ring, a fixed frame is arranged on one side of the base, a rotating shaft is inserted in the middle of the rotating cylinder, a bearing 2 is fixedly sleeved on the upper end of the rotating shaft, the outer side of the bearing 2 is fixedly connected to the inner side of the rotating cylinder, a bevel gear 1 is fixedly connected to the upper end of the rotating shaft, a driving mechanism is arranged on the bevel gear 1, a mounting seat is fixedly connected to the lower end of the rotating cylinder, a bevel gear 3 is fixedly connected to the lower end of the rotating shaft, and the bevel gear 3 is located at the upper end of the mounting seat, a sleeve is fixedly inserted at one end of the mounting seat, a transmission shaft is inserted in the middle of the sleeve, a roller is fixedly sleeved at one end of the transmission shaft away from the mounting seat, and a rotating mechanism is arranged on the transmission shaft.

[0006] As an improvement, the transmission mechanism includes a bracket fixedly connected to the front end of the base, a screw is inserted in the middle of the bracket, the screw is engaged with the front end of the gear ring, a motor is fixedly connected to one side of the fixed frame, and one end of the motor is fixedly connected to one end of the screw.

[0007] As an improvement, the driving mechanism includes a bevel gear 2 meshed with the upper end of one side of the bevel gear 1, one side of the upper end of the base is fixedly connected to a support column, the side of the bevel gear 2 away from the bevel gear 1 is fixedly plugged with a connecting shaft, the connecting shaft is plugged into the middle of the upper end of the support column, one side of the upper end of the fixing frame is fixedly connected to a fixing plate, one side of the fixing plate is fixedly connected to a motor 2, and one end of the output shaft of the motor 2 is fixedly connected to one end of the connecting shaft.

[0008] As an improvement, the rotating mechanism includes a bearing three fixedly sleeved on one end of the transmission shaft, the bearing three is fixedly connected to the middle of the sleeve, the end of the transmission shaft away from the roller is fixedly connected to a bevel gear four, and the bevel gear four is engaged with the lower end of one side of the bevel gear three.

[0009] The advantages of the utility model compared with the prior art are that the steering and rotation related structures of the roller in the utility model are combined together, which is convenient for controlling the steering and rotation speed of the roller, thereby facilitating the control of the steering of the sweeping machine, and the steering and driving mechanisms of the roller are combined together, occupying less space and being easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of a steering device for a sweeping machine of the utility model. Figure 1 .

[0011] Figure 2 The utility model is a sectional view of a steering device of a sweeping machine.

[0012] Figure 3 yes Figure 2 Magnified view of area A.

[0013] Figure 4 yes Figure 2 Magnified view of area B.

[0014] Figure 5 The utility model is a partial structural schematic diagram of a steering device of a sweeping machine.

[0015] Figure 6 This is a schematic diagram of the structure of a steering device for a sweeping machine of the utility model. Figure 2 .

[0016] As shown in the figure: 1. Base; 2. Fixed cylinder; 3. Rotating cylinder; 4. Bearing 1; 5. Gear ring; 6. Transmission mechanism; 61. Bracket; 62. Screw; 63. Motor 1; 7. Fixed frame; 8. Rotating shaft; 9. Bearing 2; 10. Bevel gear 1; 11. Driving mechanism; 111. Bevel gear 2; 112. Support column; 113. Connecting shaft; 114. Fixed plate; 115. Motor 2; 12. Mounting seat; 13. Bevel gear 3; 14. Sleeve; 15. Transmission shaft; 16. Roller; 17. Rotating mechanism; 171. Bearing 3; 172. Bevel gear 4. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] A steering device for a sweeping machine includes a base 1, a fixed cylinder 2 is inserted in the middle of the base 1, a rotating cylinder 3 is inserted in the middle of the fixed cylinder 2, bearings 4 are fixedly connected to the upper and lower ends of the fixed cylinder 2, the rotating cylinder 3 is fixedly inserted in the middle of the bearing 4, and the rotating cylinder 3 can rotate in the middle of the fixed cylinder 2 through the bearing 4.

[0019] A gear ring 5 is fixedly sleeved on the upper end of the rotating drum 3, a transmission mechanism 6 is arranged at the front end of the gear ring 5, a fixing frame 7 is arranged at one side of the base 1, the transmission mechanism 6 includes a bracket 61 fixedly connected to the front end of the base 1, a screw 62 is inserted in the middle of the bracket 61, the screw 62 is engaged with the front end of the gear ring 5, a motor 63 is fixedly connected to one side of the fixing frame 7, one end of the motor 63 is fixedly connected to one end of the screw 62, the motor 63 drives the screw 62 to rotate, the rotation of the screw 62 drives the gear ring 5 to rotate, and the rotation of the gear ring 5 drives the rotating drum 3 to rotate in the middle of the fixed drum 2.

[0020] A rotating shaft 8 is inserted in the middle of the rotating drum 3 , and a second bearing 9 is fixedly sleeved on the upper end of the rotating shaft 8 . The outer side of the second bearing 9 is fixedly connected to the inner side of the rotating drum 3 , and the rotating shaft 8 rotates in the middle of the rotating drum 3 through the second bearing 9 .

[0021] A bevel gear 10 is fixedly connected to the upper end of the rotating shaft 8, and a driving mechanism 11 is arranged on the bevel gear 10. The driving mechanism 11 includes a bevel gear 2 111 meshed with the upper end of one side of the bevel gear 10. A support column 112 is fixedly connected to one side of the upper end of the base 1. A connecting shaft 113 is fixedly inserted on the side of the bevel gear 2 111 away from the bevel gear 10. The connecting shaft 113 is inserted in the middle of the upper end of the support column 112. A fixing plate 114 is fixedly connected to one side of the upper end of the fixing frame 7. A motor 2 115 is fixedly connected to one side of the fixing plate 114. The output shaft at one end of the motor 2 115 is fixedly connected to one end of the connecting shaft 113. The motor 2 115 drives the connecting shaft 113 to rotate, thereby driving the bevel gear 2 111 to rotate. The rotation of the bevel gear 2 111 drives the bevel gear 10 to rotate. The rotation of the bevel gear 10 drives the rotating shaft 8 to rotate in the middle of the rotating drum 3.

[0022] The lower end of the rotating drum 3 is fixedly connected to a mounting seat 12, and the rotation of the rotating drum 3 can drive the mounting seat 12 to rotate together. The lower end of the rotating shaft 8 is fixedly connected to a bevel gear three 13, and the bevel gear three 13 is located at the upper end inside the mounting seat 12. A sleeve 14 is fixedly inserted at one end of the mounting seat 12, and a transmission shaft 15 is inserted in the middle of the sleeve 14. A roller 16 is fixedly sleeved at one end of the transmission shaft 15 away from the mounting seat 12. When the mounting seat 12 rotates with the rotating drum 3, it drives the roller 16 to rotate for steering.

[0023] A rotating mechanism 17 is provided on the transmission shaft 15, and the rotating mechanism 17 includes a bearing three 171 fixedly sleeved on one end of the transmission shaft 15, and the bearing three 171 is fixedly connected to the middle of the sleeve 14. The transmission shaft 15 rotates in the middle of the sleeve 14 through the bearing three 171, and the end of the transmission shaft 15 away from the roller 16 is fixedly connected with a bevel gear four 172, and the bevel gear four 172 is engaged with the lower end of one side of the bevel gear three 13. The rotation of the rotating shaft 8 drives the bevel gear three 13 to rotate, and the rotation of the bevel gear three 13 drives the bevel gear four 172 to rotate. The rotation of the bevel gear four 172 drives the transmission shaft 15 to rotate, and the rotation of the transmission shaft 15 drives the roller 16 to rotate, thereby driving the sweeping machine to walk and clean.

[0024] When the utility model is implemented, Figure 1-6 As shown, when in use, when the roller 16 needs to rotate to move the sweeping machine to walk, the starting motor 2 115 drives the connecting shaft 113 to rotate, thereby driving the bevel gear 2 111 to rotate, the rotation of the bevel gear 2 111 drives the bevel gear 10 to rotate, the rotation of the bevel gear 10 drives the rotating shaft 8 to rotate in the middle of the rotating drum 3, the rotation of the rotating shaft 8 drives the bevel gear 3 13 to rotate, the rotation of the bevel gear 3 13 drives the bevel gear 4 172 to rotate, the rotation of the bevel gear 4 172 drives the transmission shaft 15 to rotate, the rotation of the transmission shaft 15 drives the roller 16 to rotate, and drives the sweeping machine to walk and clean.

[0025] When the roller 16 needs to turn, the motor 63 drives the screw 62 to rotate, the screw 62 rotates to drive the gear ring 5 to rotate, the gear ring 5 rotates to drive the rotating drum 3 to rotate in the middle of the fixed drum 2, and the mounting seat 12 rotates with the rotating drum 3, driving the roller 16 to rotate for turning.

[0026] The steering and driving mechanisms of the roller 16 are combined together, which is convenient for controlling the steering and rotation speed of the roller 16, thereby facilitating the steering of the sweeping machine. Moreover, the steering and driving mechanisms of the roller 16 are combined together, occupying less space and being convenient for installation.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A sweeping machine steering device, comprising a base (1), characterized in that: A fixed cylinder (2) is inserted in the middle of the base (1), a rotating cylinder (3) is inserted in the middle of the fixed cylinder (2), the upper and lower ends of the fixed cylinder (2) are fixedly connected with a bearing (4), the rotating cylinder (3) is fixedly inserted in the middle of the bearing (4), a gear ring (5) is fixedly sleeved on the upper end of the rotating cylinder (3), a transmission mechanism (6) is arranged at the front end of the gear ring (5), a fixed frame (7) is arranged on one side of the base (1), a rotating shaft (8) is inserted in the middle of the rotating cylinder (3), a bearing (9) is fixedly sleeved on the upper end of the rotating shaft (8), the outer side of the bearing (9) is fixedly connected to the inner side of the rotating cylinder (3), and the rotating cylinder (3) is fixedly sleeved on the upper end of the rotating shaft (8). The upper end of the shaft (8) is fixedly connected with a bevel gear one (10), and a driving mechanism (11) is arranged on the bevel gear one (10). The lower end of the rotating drum (3) is fixedly connected with a mounting seat (12). The lower end of the rotating shaft (8) is fixedly connected with a bevel gear three (13), and the bevel gear three (13) is located at the upper end inside the mounting seat (12). A sleeve (14) is fixedly inserted at one end of the mounting seat (12), and a transmission shaft (15) is inserted in the middle of the sleeve (14). A roller (16) is fixedly sleeved at one end of the transmission shaft (15) away from the mounting seat (12), and a rotating mechanism (17) is arranged on the transmission shaft (15).

2. A sweeping machine steering device according to claim 1, characterized in that: The transmission mechanism (6) comprises a bracket (61) fixedly connected to the front end of the base (1), a screw rod (62) is inserted in the middle of the bracket (61), and the screw rod (62) is meshed with the front end of the gear ring (5); a motor 1 (63) is fixedly connected to one side of the fixing frame (7), and one end of the motor 1 (63) is fixedly connected to one end of the screw rod (62).

3. A sweeping machine steering device according to claim 1, characterized in that: The driving mechanism (11) comprises a bevel gear 2 (111) meshed with the upper end of one side of the bevel gear 1 (10); a support column (112) is fixedly connected to one side of the upper end of the base (1); a connecting shaft (113) is fixedly plugged into the side of the bevel gear 2 (111) away from the bevel gear 1 (10); the connecting shaft (113) is plugged into the middle of the upper end of the support column (112); a fixing plate (114) is fixedly connected to one side of the upper end of the fixing frame (7); a motor 2 (115) is fixedly connected to one side of the fixing plate (114); an output shaft at one end of the motor 2 (115) is fixedly connected to one end of the connecting shaft (113).

4. A sweeping machine steering device according to claim 1, characterized in that: The rotating mechanism (17) comprises a bearing three (171) fixedly sleeved on one end of the transmission shaft (15), the bearing three (171) being fixedly connected to the middle of the sleeve (14), and a bevel gear four (172) being fixedly connected to one end of the transmission shaft (15) away from the roller (16), and the bevel gear four (172) being geared to the lower end of one side of the bevel gear three (13).

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