CN212472965U - Magnetic wheel structure capable of being quickly disassembled and assembled - Google Patents
Magnetic wheel structure capable of being quickly disassembled and assembled Download PDFInfo
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- CN212472965U CN212472965U CN202021665720.7U CN202021665720U CN212472965U CN 212472965 U CN212472965 U CN 212472965U CN 202021665720 U CN202021665720 U CN 202021665720U CN 212472965 U CN212472965 U CN 212472965U
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Abstract
The utility model provides a but quick assembly disassembly's magnetism wheel structure, including wheel hub, permanent magnet and key connecting mechanism. The utility model discloses a permanent magnet does not need extra energy consumption as the source of adsorption affinity, safe and reliable, can select the magnet of different magnetic forces and quantity in a flexible way according to the size of load, is applicable to all kinds of small-size climbing robots, for example reconnaissance robot etc. and the application scene is various. And in order to realize the quick assembly disassembly of wheel, the utility model discloses a key connecting mechanism has greatly reduced the installation degree of difficulty of wheel, only needs to press the button of mechanism, wears the wheel epaxial, makes the adjustment slightly and can accomplish the equipment, also only needs to press the button during the dismantlement, extracts the wheel can. By adopting the structure, the time for assembling the robot can be greatly reduced, and the robot is suitable for the robot needing to be assembled and deployed quickly.
Description
Technical Field
The utility model relates to a robot equipment technical field especially relates to a but climbing metal surface and quick assembly disassembly's robot magnetism wheel structure.
Background
In the field of robots, a variety of moving mechanisms have been developed, and the moving mechanisms are in the form of wheels, crawler belts, leg-foot type, and the like, as far as planar movement is concerned. Various moving mechanisms can be different in autumn, different requirements of various working environments are met, but the wheel type moving mechanism is particularly prominent. Its advantages are many: the device can stably move at high speed, has high energy utilization rate, simple mechanism and convenient control, can use increasingly perfect automobile technology and experience for reference, and has the defect that the moving place is limited to a plane.
It is necessary to realize a robot that can be attached to a wall surface and can move to perform work, and this is also a project that is being developed at present. The objects of the requirements are as follows: the robot is used for removing pollutants on the core inner wall of a nuclear power station, the wall surface mobile robot is used for detecting welding seams of a radioactive waste liquid storage tank, the robot is used for automatically detecting welding seams of a large gas spherical tank, the wall surface mobile robot is used for fire-fighting emergency treatment, the diagnosis robot is used for detecting the adhesion state of tiles on the outer wall of a building, and the robot is used for reconnaissance robots of anti-terrorism actions, outer wall spraying robots and the like. These wall-moving robots must have two basic functions: suction function and moving function on the wall surface. Adsorption modes generally fall into two broad categories: vacuum adsorption and magnetic adsorption. In addition, in the field of reconnaissance robots, the robots are also required to be quickly disassembled and assembled, so that the deployment time of the robots is shortened, and therefore, corresponding wheels have the characteristic of being quickly disassembled and assembled.
Disclosure of Invention
To the above-mentioned demand, the utility model provides a but quick assembly disassembly's magnetism wheel structure, the wheel leans on magnetic adsorption's mode to realize the wall climbing function, adopts the elastic key connection structure simultaneously, makes the wheel can realize rapid Assembly under the condition that does not use extra instrument, is particularly useful for small-size reconnaissance class robot.
The technical scheme of the utility model is that:
the magnetic wheel structure capable of being quickly disassembled and assembled comprises a wheel hub, a permanent magnet and a key connection mechanism;
the hub is of a cylindrical structure, and a circle of permanent magnet is fixedly arranged on the outer circular surface along the circumferential direction;
the end face of the hub is provided with an axial through hole for penetrating through an external wheel shaft;
the end face of the hub is also provided with a mounting groove for mounting a key connection mechanism, and the mounting groove is communicated with a through hole which is used for penetrating through an external wheel shaft and arranged on the end face of the hub;
the key connecting mechanism is provided with a key button with a key and an elastic driving mechanism; the driving force of the elastic driving mechanism acts on the key button; after the key connection mechanism is installed in the installation groove of the end face of the hub, the elastic driving mechanism can drive the key of the key button to be located in the through hole of the end face of the hub, wherein the through hole is used for penetrating through the external wheel shaft, and the key can be matched with the key groove in the external wheel shaft.
Furthermore, the permanent magnet is of a fan ring structure, and the permanent magnets are fixed on the outer circular surface of the hub.
Furthermore, a plurality of radial mounting holes are uniformly distributed on the outer circular surface of the hub along the circumferential direction; the permanent magnet is provided with a radial counter bore, and the permanent magnet is fixed on the outer circular surface of the hub by passing a screw through the radial counter bore in the permanent magnet and a radial mounting hole on the outer circular surface of the hub.
Furthermore, one side end face of the hub is provided with a bearing mounting blind hole for mounting a sliding bearing, and the sliding bearing is fixed in the bearing mounting blind hole in an interference fit manner.
Further, the end face of the other side of the hub is provided with a mounting groove for mounting a key connection mechanism; and the side end face is also fixed with a side cover, the side cover is provided with an operation hole, and the key button can be pressed through the operation hole to separate the key of the key button from the key groove on the external wheel shaft.
Further, the key connecting mechanism comprises a shell, an elastic driving mechanism and a key button with a key; the shell is provided with a deep groove for mounting the key button, and the shell is also provided with a through hole for passing through the external axle, and the through hole for passing through the external axle in the shell is communicated with the deep groove; the key button is arranged in the deep groove, an elastic driving mechanism is arranged at the bottom of the deep groove, and the elastic driving mechanism can drive the key button to slide in the deep groove; the key button is provided with a through hole, and the position of the through hole on the key button is overlapped with the position of the through hole in the shell for penetrating through the external wheel shaft; the inner side surface of the through hole on the key button is provided with a key, and the pointing direction of the key is along the outward sliding direction of the key button in the deep groove.
Further, the key button is matched with the shell through a pin shaft, wherein the pin shaft is fixedly matched with one structure of the key button and the shell, the pin shaft is matched with the other structure through a long hole, and the direction of the long hole is parallel to the direction of the key.
Further, the elastic driving mechanism is a compression spring.
Furthermore, the shell is rectangular and matched with the mounting groove on the end face of the hub in shape.
Advantageous effects
The utility model provides a but quick assembly disassembly's magnetism wheel structure adopts the permanent magnet as the source of adsorption affinity, and safe and reliable does not need extra energy consumption, can select the magnet of different magnetic forces and quantity according to the size of load is nimble, is applicable to all kinds of small-size climbing robots, for example reconnaissance robot etc. and the application scene is various.
And in order to realize the quick assembly disassembly of wheel, the utility model discloses a key connecting mechanism has greatly reduced the installation degree of difficulty of wheel, only needs to press the button of mechanism, wears the wheel epaxial, makes the adjustment slightly and can accomplish the equipment, also only needs to press the button during the dismantlement, extracts the wheel can. By adopting the structure, the time for assembling the robot can be greatly reduced, and the robot is suitable for the robot needing to be assembled and deployed quickly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a wheel assembly
FIG. 2 is a view showing the outer shape of a wheel
FIG. 3 is a schematic view of a key connection mechanism
FIG. 4 is a schematic view of the hub
Wherein: 1. a sliding bearing; 2. a hub; 3. a permanent magnet; 4. a screw; 5. a key connection mechanism; 6. a side cover; 7. a pin shaft; 8. a housing; 9. a compression spring; 10. a key button; 11. mounting grooves; 12. and blind holes are formed in the bearing.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The magnetic wheel structure capable of being quickly disassembled and assembled in the embodiment basically comprises a hub 2, a permanent magnet 3 and a key connection mechanism 5.
The hub 2 is of a cylindrical structure, and a circle of permanent magnet 3 is fixedly arranged on the outer circular surface along the circumferential direction; as shown in fig. 1 and fig. 2, in the embodiment, the permanent magnet 3 is a sector ring structure, and a circle of permanent magnets is formed by a plurality of sector ring permanent magnets and fixed on the outer circumferential surface of the hub. The fixing mode in this embodiment is screw fixation: a plurality of radial mounting holes are uniformly distributed on the outer circular surface of the hub 2 along the circumferential direction; the permanent magnet is provided with a radial counter bore, and the permanent magnet is fixed on the outer circular surface of the hub by passing a screw 4 through the radial counter bore in the permanent magnet and a radial mounting hole on the outer circular surface of the hub.
The end face of the hub 2 is provided with an axial through hole for penetrating through an external axle; as shown in fig. 1 and 4, in this embodiment, the end surface of one side of the hub 2 is provided with a blind bearing installation hole 12 for installing a sliding bearing, the sliding bearing 1 is fixed in the blind bearing installation hole 12 in an interference fit manner, the sliding bearing can ensure the coaxiality between a wheel and an output shaft of the robot, and the condition of shaking along the shaft does not occur, so that the movement precision of the robot is higher. The other side end face of the hub 2 is provided with a mounting groove 11 for mounting a key connecting mechanism, the mounting groove 11 is communicated with a through hole of the hub end face for penetrating through an external wheel shaft, the side end face is further fixed with a side cover 6 through a screw, the side cover is provided with an operation hole, and an operator can press a key button 10 on the key connecting mechanism by penetrating through the operation hole with fingers to separate a key on the key button from a key groove on the external wheel shaft.
The key connecting mechanism is provided with a key button 10 with a key and an elastic driving mechanism; the driving force of the elastic driving mechanism acts on the key button; after the key connection mechanism is installed in the installation groove of the end face of the hub, the elastic driving mechanism can drive the key of the key button to be located in the through hole of the end face of the hub, wherein the through hole is used for penetrating through the external wheel shaft, and the key can be matched with the key groove in the external wheel shaft.
In the present embodiment in particular, the key connection mechanism is shown in fig. 3 and comprises a housing 8, an elastic drive mechanism and a keyed key button 10. The shell 8 is rectangular and matched with the mounting groove on the end face of the hub in shape. The housing 8 has a deep groove for mounting the key button, and the housing 8 also has a through hole therein for passing an external axle, the through hole in the housing 8 for passing the external axle communicating with the deep groove; the key button 10 is installed in the deep groove, and an elastic driving mechanism is arranged at the bottom of the deep groove and can drive the key button to slide in the deep groove, in the embodiment, the elastic driving mechanism adopts two compression springs 9 which are parallel to each other; the key button 10 is provided with a through hole, and the position of the through hole on the key button 10 is overlapped with the position of the through hole in the shell 8 for penetrating through the external wheel axle; the inner side surface of the through hole in the key button 10 is provided with a key, and the key points to the direction along the outward sliding direction of the key button 10 in the deep groove, so that when the compression spring drives the key button to slide outward in the deep groove, the key in the through hole of the key button can extend into the key groove in the external wheel shaft, and the matching installation of the wheel and the wheel shaft is realized.
In this embodiment, in order to ensure that the position of the key button 10 in the housing 8 is controlled, the key button is further engaged with the housing through the pin 7, wherein the pin 7 is fixedly engaged with one of the key button and the housing and engaged with the other of the key button and the housing through the elongated hole, and the direction of the elongated hole is parallel to the direction of the key, that is, the sliding direction of the key button in the deep groove, so that the key button can only slide along the deep groove without moving in other directions, and the sliding distance is also controlled.
When the wheel is installed on the robot body, only the key button needs to be pressed down, the key in the key button can be contracted, then the wheel is penetrated on the wheel shaft, the key button is released, the position of the wheel is slightly adjusted, the key is aligned with the key groove in the wheel shaft, under the action of the spring 9, the key is automatically installed in the key groove, and a click sound is emitted to represent that the wheel is installed completely. If the wheel needs to be removed, the key button is pressed, and the wheel is taken out from the wheel shaft.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (9)
1. The utility model provides a but quick assembly disassembly's magnetism wheel structure which characterized in that: comprises a hub, a permanent magnet and a key connection mechanism;
the hub is of a cylindrical structure, and a circle of permanent magnet is fixedly arranged on the outer circular surface along the circumferential direction;
the end face of the hub is provided with an axial through hole for penetrating through an external wheel shaft;
the end face of the hub is also provided with a mounting groove for mounting a key connection mechanism, and the mounting groove is communicated with a through hole which is used for penetrating through an external wheel shaft and arranged on the end face of the hub;
the key connecting mechanism is provided with a key button with a key and an elastic driving mechanism; the driving force of the elastic driving mechanism acts on the key button; after the key connection mechanism is installed in the installation groove of the end face of the hub, the elastic driving mechanism can drive the key of the key button to be located in the through hole of the end face of the hub, wherein the through hole is used for penetrating through the external wheel shaft, and the key can be matched with the key groove in the external wheel shaft.
2. A quick-release magnetic wheel structure as claimed in claim 1, wherein: the permanent magnet is of a fan ring structure, and the permanent magnets are fixed on the outer circular surface of the hub.
3. A quick-release magnetic wheel structure according to claim 2, wherein: a plurality of radial mounting holes are uniformly distributed on the outer circular surface of the hub along the circumferential direction; the permanent magnet is provided with a radial counter bore, and the permanent magnet is fixed on the outer circular surface of the hub by passing a screw through the radial counter bore in the permanent magnet and a radial mounting hole on the outer circular surface of the hub.
4. A quick-release magnetic wheel structure as claimed in claim 1, wherein: the hub is characterized in that one side end face of the hub is provided with a bearing mounting blind hole for mounting a sliding bearing, and the sliding bearing is fixed in the bearing mounting blind hole in an interference fit manner.
5. The magnetic wheel structure capable of being disassembled and assembled quickly as claimed in claim 4, wherein: the end face of the other side of the hub is provided with a mounting groove for mounting a key connection mechanism; and the side end face is also fixed with a side cover, the side cover is provided with an operation hole, and the key button can be pressed through the operation hole to separate the key of the key button from the key groove on the external wheel shaft.
6. A quick-release magnetic wheel structure as claimed in claim 1, wherein: the key connecting mechanism comprises a shell, an elastic driving mechanism and a key button with a key; the shell is provided with a deep groove for mounting the key button, and the shell is also provided with a through hole for passing through the external axle, and the through hole for passing through the external axle in the shell is communicated with the deep groove; the key button is arranged in the deep groove, an elastic driving mechanism is arranged at the bottom of the deep groove, and the elastic driving mechanism can drive the key button to slide in the deep groove; the key button is provided with a through hole, and the position of the through hole on the key button is overlapped with the position of the through hole in the shell for penetrating through the external wheel shaft; the inner side surface of the through hole on the key button is provided with a key, and the pointing direction of the key is along the outward sliding direction of the key button in the deep groove.
7. The magnetic wheel structure capable of being disassembled and assembled quickly as claimed in claim 6, wherein: the key button is matched with the shell through a pin shaft, wherein the pin shaft is fixedly matched with one structure of the key button and the shell and is matched with the other structure through a strip hole, and the direction of the strip hole is parallel to the direction of the key.
8. A quick-release magnetic wheel structure according to claim 6 or 7, wherein: the elastic driving mechanism is a compression spring.
9. The magnetic wheel structure capable of being disassembled and assembled quickly as claimed in claim 6, wherein: the shell is rectangular and is matched with the mounting groove on the end face of the hub in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021665720.7U CN212472965U (en) | 2020-08-12 | 2020-08-12 | Magnetic wheel structure capable of being quickly disassembled and assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021665720.7U CN212472965U (en) | 2020-08-12 | 2020-08-12 | Magnetic wheel structure capable of being quickly disassembled and assembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212472965U true CN212472965U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021665720.7U Active CN212472965U (en) | 2020-08-12 | 2020-08-12 | Magnetic wheel structure capable of being quickly disassembled and assembled |
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| Country | Link |
|---|---|
| CN (1) | CN212472965U (en) |
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- 2020-08-12 CN CN202021665720.7U patent/CN212472965U/en active Active
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