Robot chassis structure with protection mechanism
By designing a robot chassis structure with a protective mechanism, using components such as annular sleeve, protective pad and limit rod, the problem of chassis being susceptible to collision and damage during movement is solved, and effective protection and adjustment functions are achieved.
Patent Information
- Application Number
- CN202421617749.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The robot chassis is prone to bumps and violent impacts during movement, resulting in structural damage and robot overturning and falling, and lacks effective protection measures.
A robot chassis structure with a protective mechanism is designed, including a chassis body and an annular sleeve. The outer part of the annular sleeve is provided with a protective pad and a limiting rod to achieve protection by engaging the connected bolts and springs.
It effectively protects the surroundings of the chassis, limits the rotation of the turntable, adjusts the orientation of the casters, and uses protective pads and springs to reduce the impact force during impact, avoiding chassis damage and robot overturning.
Smart Images

Figure CN222682564U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of robot chassis, in particular to a robot chassis structure with a protection mechanism. Background Art
[0002] The robot base is the carrier for the robot to walk on. Casters are installed at the bottom. After the command is input, it can quickly receive and analyze it, and then move to the destination to perform a series of processing auxiliary operations. The chassis and the robot are detachable and installable, and the two are not firmly inseparable.
[0003] During the movement, the chassis will inevitably collide with surrounding objects. Severe instantaneous collisions will not only damage the chassis structure, but also cause the robot to overturn or fall, resulting in a series of injuries and accidents. In order to ensure the safety of the robot while walking, protective operations should be added.
[0004] Now, a new robot chassis structure with a protective mechanism is proposed to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a robot chassis structure with a protection mechanism to solve the problem of lack of protection of the chassis mentioned in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a robot chassis structure with a protective mechanism, comprising a chassis body and an annular sleeve, the annular sleeve is sleeved around the outside of the chassis body, and the four corners of the top of the annular sleeve are movably connected with clamping plates, and bolts are meshed and connected in the clamping plates. The surface of the top of the chassis body is provided with four groups of grooves, eight groups of protective pads are provided around the side of the annular sleeve, and two groups of limiting rods are fixed on the inner side of the protective pads, sixteen groups of slots are provided around the surface of the annular sleeve, and springs are laterally fixed between the protective pads and the slots.
[0007] Preferably, the limiting rod is embedded in the slot, and the spring is sleeved on the outside of the limiting rod.
[0008] Preferably, the clamping plate can be swung in situ at the top of the annular sleeve, and the clamping plate can be clamped in the groove.
[0009] Preferably, a circular groove is horizontally arranged above the interior of the chassis body, and a toothed disc is movably connected between the top and bottom ends of the circular groove, movable chambers are arranged on both sides of the circular groove, a rotating disc is fixed on the top of the toothed disc, a first motor is installed at the center of the interior of the chassis body, a transverse groove is arranged below the inner side of the chassis body, and a screw rod is movably connected between the insides of the transverse grooves, a third motor is installed at the lower left corner of the interior of the chassis body, sleeve blocks are sleeved on both sides of the outside of the screw rod, and a connecting rod is welded on the top of the sleeve block, and through grooves are arranged on both sides between the movable chamber and the circular groove.
[0010] Preferably, the connecting rod is embedded in the through groove, and the connecting rod can be laterally inserted into the gaps on both sides of the toothed disc.
[0011] Preferably, the output shaft of the first motor is fixedly connected to the bottom of the gear disc, and the output shaft of the third motor is fixedly connected to the left side of the screw rod.
[0012] Preferably, a shell is installed at the center of the bottom of the chassis body, and a main gear is movably connected to the center of the inner side of the shell, side gears are movably connected to both sides of the inside of the shell, mounting seats are movably connected to both sides of the bottom of the shell, and an electric wheel is installed at the bottom of the mounting seat, and a second motor is installed at the center of the lower part of the outside of the shell.
[0013] Preferably, the output shaft of the second motor is fixedly connected to the main gear, and the side gears are symmetrically clamped on both sides of the main gear.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the robot chassis structure with the protection mechanism not only protects the surroundings of the chassis and limits the rotation of the turntable, but also adjusts the orientation of the casters;
[0015] (1) An annular sleeve is sleeved around the outside of the chassis body, and the annular sleeve is clamped on the chassis body from the bottom, and then the four sets of hinged clamping plates on the top are turned over, and the clamping plates are locked in the grooves by engaging the bolts to prevent the annular sleeve from being dislocated. The side protective pads are inserted into the slots by means of limit rods, and springs are also installed in the gaps between the protective pads and the annular sleeves. Washers are installed at the notches of the slots to reduce the impact force. During the translation of the chassis body, the protective pads on all sides can be used as bearing tools to prevent the chassis from being damaged by impact;
[0016] (2) A rotating disk is fixed on the top of the toothed disk, and the third motor is started. The sleeve blocks on both sides are tightened by the rotation of the screw rod in the transverse groove, and then the connecting rod is squeezed into the circular groove along the movable chamber and through the through groove, forcing the connecting rod to be embedded in the tooth grooves on both sides of the toothed disk, thereby avoiding unnecessary rotation and shaking when the first motor stops controlling the rotation of the toothed disk and the rotating disk;
[0017] (3) By installing a shell at the center of the bottom of the chassis body, if the walking direction of the robot is to be changed, the second motor is turned on. When the main gear engages with the symmetrical side gear, the mounting seat connected to the bottom of the side gear can be controlled to turn, and the left and right rotation angles are constant. The route of the chassis body can be quickly changed, and then the electric wheels can be started for transportation. The walking direction of the product can be freely adjusted. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0019] Figure 2 For the utility model Figure 1 A partial cross-section at the center is an enlarged structural diagram;
[0020] Figure 3 This is a schematic diagram of the top view of the annular sleeve of the utility model;
[0021] Figure 4 This is a schematic diagram of the front cross-sectional structure of the chassis body of the utility model;
[0022] Figure 5 It is a schematic diagram of the front cross-sectional structure of the shell of the present utility model.
[0023] In the figure: 1. chassis body; 2. transverse groove; 3. annular sleeve; 4. protective pad; 5. turntable; 6. movable chamber; 7. circular groove; 8. gear plate; 9. first motor; 10. connecting rod; 11. sleeve block; 12. screw rod; 13. electric wheel; 14. housing; 15. second motor; 16. through groove; 17. third motor; 18. spring; 19. limit rod; 20. slot; 21. clamping plate; 22. groove; 23. bolt; 24. mounting seat; 25. side gear; 26. main gear. 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] Example 1: Please refer to Figure 1-5A robot chassis structure with a protective mechanism includes a chassis body 1 and an annular sleeve 3, the annular sleeve 3 is sleeved around the outside of the chassis body 1, and the four corners of the top of the annular sleeve 3 are movably connected with a clamping plate 21, and the clamping plate 21 is meshed with a bolt 23, the surface of the top of the chassis body 1 is provided with four groups of grooves 22, eight groups of protective pads 4 are provided around the side of the annular sleeve 3, and two groups of limiting rods 19 are fixed to the inner side of the protective pad 4, sixteen groups of slots 20 are provided around the surface of the annular sleeve 3, and a spring 18 is transversely fixed between the protective pad 4 and the slot 20;
[0026] The limiting rod 19 is embedded in the slot 20, the spring 18 is sleeved on the outside of the limiting rod 19, the clamping plate 21 can swing in situ on the top of the annular sleeve 3, and the clamping plate 21 can be clamped in the groove 22;
[0027] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, the annular sleeve 3 is clamped onto the chassis body 1 from the bottom, and then the four sets of hinged clamping plates 21 on the top are turned over, and the clamping plates 21 are locked in the grooves 22 by the engaged bolts 23 to prevent the annular sleeve 3 from being dislocated. The side protective pads 4 are inserted into the slots 20 by means of the limit rods 19, and the springs 18 are also installed in the gaps between the protective pads 4 and the annular sleeve 3, and washers are installed at the notches of the slots 20 to reduce the impact force. During the translation of the chassis body 1, the protective pads 4 supported on all sides can be used as bearing tools for protection.
[0028] Embodiment 2: A circular groove 7 is horizontally arranged on the upper part of the inside of the chassis body 1, and a toothed disc 8 is movably connected between the top and bottom of the circular groove 7, and movable chambers 6 are arranged on both sides of the circular groove 7. A rotating disc 5 is fixed on the top of the toothed disc 8. A first motor 9 is installed at the center of the inside of the chassis body 1, and a transverse groove 2 is arranged at the lower part of the inside of the chassis body 1, and a screw rod 12 is movably connected between the inside of the transverse groove 2. A third motor 17 is installed at the lower left corner of the inside of the chassis body 1, and sleeve blocks 11 are sleeved on both sides of the outside of the screw rod 12, and a connecting rod 10 is welded on the top of the sleeve block 11, and through grooves 16 are arranged on both sides between the movable chamber 6 and the circular groove 7;
[0029] The connecting rod 10 is embedded in the through groove 16, and the connecting rod 10 can be laterally inserted into the gaps on both sides of the gear plate 8. The output shaft of the first motor 9 is fixedly connected to the bottom of the gear plate 8, and the output shaft of the third motor 17 is fixedly connected to the left side of the screw rod 12;
[0030] Specifically, Figure 1 and Figure 4As shown, the third motor 17 is started, and the sleeve blocks 11 on both sides are tightened by the rotation of the screw rod 12 in the transverse groove 2, and then the connecting rod 10 is squeezed into the circular groove 7 along the movable chamber 6 and through the through groove 16, forcing the connecting rod 10 to be embedded in the tooth grooves on both sides of the toothed disc 8 to avoid the first motor 9 stopping the control of the toothed disc 8 and the rotating disc 5 to rotate.
[0031] Embodiment 3: A housing 14 is installed at the center of the bottom of the chassis body 1, and a main gear 26 is movably connected at the center of the inner side of the housing 14, side gears 25 are movably connected to both sides of the interior of the housing 14, mounting seats 24 are movably connected to both sides of the bottom of the housing 14, and the bottom of the mounting seat 24 is equipped with an electric wheel 13, and a second motor 15 is installed at the center of the lower outside of the housing 14, the output shaft of the second motor 15 is fixedly connected to the main gear 26, and the side gears 25 are symmetrically clamped on both sides of the main gear 26;
[0032] Specifically, Figure 1 and Figure 5 As shown, if the walking direction of the robot is to be changed, the second motor 15 is turned on. When the main gear 26 engages with the symmetrical side gear 25, the mounting base 24 connected to the bottom of the side gear 25 can be controlled to turn, and the left and right rotation angle is constant, which can quickly change the route of the chassis body 1, and then start the electric wheel 13 for transportation.
[0033] Working principle: When the utility model is used, first, the annular sleeve 3 is clamped on the chassis body 1 from the bottom, and then the four groups of hinged clamps 21 on the top are turned over, and the clamps 21 are locked in the grooves 22 by the meshing bolts 23 to prevent the annular sleeve 3 from being dislocated. The side protection pads 4 are inserted into the slots 20 by means of the limit rods 19. The gap between the protection pads 4 and the annular sleeve 3 is also equipped with springs 18, and the notches of the slots 20 are equipped with washers to reduce the impact force. In the process of the translation of the chassis body 1, the protection pads 4 supported by the surroundings can be used as a bearing tool to start the third motor 17, and the screw rod 12 is used to move horizontally. The rotation in the groove 2 is used to tighten the sleeve blocks 11 on both sides, and then the connecting rod 10 is squeezed into the circular groove 7 along the active chamber 6 and through the through groove 16, forcing the connecting rod 10 to be embedded in the tooth grooves on both sides of the toothed disc 8, avoiding unnecessary rotation and shaking when the first motor 9 stops controlling the rotation of the toothed disc 8 and the rotating disc 5. If the walking direction of the robot is to be changed, the second motor 15 is turned on. When the main gear 26 engages the symmetrical side gear 25, the mounting seat 24 connected to the bottom of the side gear 25 can be controlled to turn, and the left and right rotation angles are constant, which can quickly change the route of the chassis body 1, and then start the electric wheel 13 for transportation.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A robot chassis structure with a protective mechanism, comprising a chassis body (1) and an annular sleeve (3), characterized in that: An annular sleeve (3) is sleeved around the outside of the chassis body (1), and the four corners of the top of the annular sleeve (3) are movably connected with a clamping plate (21), and the clamping plate (21) is meshed with a bolt (23). The surface of the top of the chassis body (1) is provided with four groups of grooves (22), and eight groups of protective pads (4) are provided around the side of the annular sleeve (3), and two groups of limiting rods (19) are fixed on the inner side of the protective pad (4). Sixteen groups of slots (20) are provided around the surface of the annular sleeve (3), and a spring (18) is transversely fixed between the protective pad (4) and the slot (20).
2. The robot chassis structure with a protective mechanism according to claim 1, characterized in that: The limiting rod (19) is embedded in the slot (20), and the spring (18) is sleeved on the outside of the limiting rod (19).
3. The robot chassis structure with a protective mechanism according to claim 1, characterized in that: The clamping plate (21) can swing in situ on the top of the annular sleeve (3), and the clamping plate (21) can be clamped in the groove (22).
4. The robot chassis structure with a protective mechanism according to claim 1, characterized in that: A circular groove (7) is transversely arranged above the inside of the chassis body (1), and a toothed disc (8) is movably connected between the top and bottom ends of the circular groove (7), and movable chambers (6) are arranged on both sides of the circular groove (7), and a rotating disc (5) is fixed on the top of the toothed disc (8). A first motor (9) is installed at the center of the inside of the chassis body (1), and a transverse groove (2) is arranged below the inside of the chassis body (1), and a screw rod (12) is movably connected between the inside of the transverse groove (2), and a third motor (17) is installed at the lower left corner of the inside of the chassis body (1), and sleeve blocks (11) are sleeved on both sides of the outside of the screw rod (12), and a connecting rod (10) is welded on the top of the sleeve block (11), and through grooves (16) are arranged on both sides between the movable chamber (6) and the circular groove (7).
5. The robot chassis structure with a protection mechanism according to claim 4, characterized in that: The connecting rod (10) is embedded in the through groove (16), and the connecting rod (10) can be laterally inserted into the gaps on both sides of the toothed disc (8).
6. The robot chassis structure with a protection mechanism according to claim 4, characterized in that: The output shaft of the first motor (9) is fixedly connected to the bottom of the gear disc (8), and the output shaft of the third motor (17) is fixedly connected to the left side of the screw rod (12).
7. The robot chassis structure with a protection mechanism according to claim 1, characterized in that: A shell (14) is installed at the center of the bottom of the chassis body (1), and a main gear (26) is movably connected at the center of the inner side of the shell (14), side gears (25) are movably connected on both sides of the inside of the shell (14), a mounting seat (24) is movably connected on both sides of the bottom of the shell (14), and an electric wheel (13) is installed at the bottom of the mounting seat (24), and a second motor (15) is installed at the center of the lower part of the outside of the shell (14).
8. The robot chassis structure with a protection mechanism according to claim 7, characterized in that: The output shaft of the second motor (15) is fixedly connected to the main gear (26), and the side gears (25) are symmetrically clamped on both sides of the main gear (26).