CN216823309U - Universal wheel mechanism and sweeping robot - Google Patents
Universal wheel mechanism and sweeping robot Download PDFInfo
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- CN216823309U CN216823309U CN202220258388.5U CN202220258388U CN216823309U CN 216823309 U CN216823309 U CN 216823309U CN 202220258388 U CN202220258388 U CN 202220258388U CN 216823309 U CN216823309 U CN 216823309U
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Abstract
The utility model discloses a universal wheel mechanism, which comprises a bracket, and a roller component and a rotating component which are arranged on the bracket, wherein the rotating component comprises a rotating block with a hollow inner cavity, and a first limiting bulge is arranged on the hollow inner cavity of the rotating block; the bracket comprises a bracket main body and a rotating shaft which is arranged on the bracket main body and is used for being inserted into a hollow inner cavity of the rotating block, wherein the peripheral surface of the rotating shaft is provided with a first annular groove; when the rotating shaft is inserted into the hollow inner cavity of the rotating block until the first groove is clamped with the first limiting protrusion, the rotating shaft can rotate 360 degrees in the circumferential direction of the first groove, and therefore universal adjustment of the roller assembly is achieved. The utility model discloses an universal wheel mechanism adopts the runner assembly to replace traditional bearing assembly, simple structure not only, and easy to assemble and dismantlement, and the processing cost is low, has great spreading value.
Description
Technical Field
The utility model relates to a robot technical field, concretely relates to universal wheel mechanism and robot of sweeping floor.
Background
At present, with the continuous improvement of the living standard of people, intelligent cleaning equipment such as a sweeping robot is increasingly applied to daily cleaning activities of modern families. The front side below the sweeping robot is generally provided with a universal wheel device, and when the robot touches an obstacle, the motion direction of the sweeping robot can be changed through the universal wheel device, so that the robot can repeatedly run indoors to clean the bottom surface.
Most of the existing universal wheel devices adopt a bearing structure to realize steering adjustment of the roller, the structure is not only complex, but also troublesome in installation and disassembly, high in processing cost and relatively poor in practicability.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an universal wheel mechanism and a floor sweeping robot. The universal wheel mechanism adopts the rotating assembly to replace the traditional bearing assembly, has a simple structure, is convenient to install and disassemble, is low in processing cost, and has a great popularization value.
The utility model discloses a solve the technical scheme that its problem adopted and be:
a universal wheel mechanism comprising a support and a roller assembly and a turning assembly mounted on the support, wherein:
the rotating assembly comprises a rotating block with a hollow inner cavity, and a first limiting bulge is arranged on the hollow inner cavity of the rotating block;
the bracket comprises a bracket main body and a rotating shaft which is arranged on the bracket main body and is used for being inserted into the hollow inner cavity of the rotating block, and the outer peripheral surface of the rotating shaft is provided with a first annular groove;
the pivot is inserted turning block cavity inner chamber until first recess with when first spacing protruding looks joint, the pivot can be followed 360 degrees rotations of the circumferencial direction of first recess, and then realizes the universal regulation of wheel components.
Therefore, when the rotating shaft on the support is inserted into the hollow inner cavity of the rotating block until the first groove is clamped with the first limiting protrusion, the rotating shaft can rotate 360 degrees along the circumferential direction of the first groove, and therefore universal adjustment of the roller assembly is achieved. The utility model discloses an universal wheel mechanism adopts the runner assembly to replace traditional bearing assembly, simple structure not only, and easy to assemble and dismantlement, and the processing cost is low, has great spreading value.
Furthermore, the rotating assembly further comprises an elastic sheet, and the elastic sheet comprises an installation part for being sleeved on the rotating block, a bending part bent towards the inside of the rotating block and connecting parts respectively connected with the installation part and the bending part;
the side wall of the rotating block is provided with a through hole communicated with the hollow inner cavity of the rotating block, and the bent part penetrates through the through hole and forms the first limiting protrusion.
Therefore, when the bending part on the elastic sheet is clamped with the first groove, the elastic sheet can rotate along the circumferential direction of the first groove, and 360-degree adjustment of the rotating block is achieved.
Furthermore, the installation part, the connecting part and the bending part of the elastic sheet are integrally formed.
Therefore, the mounting part, the connecting part and the bent part of the elastic sheet are integrally formed, so that the supporting strength of the elastic sheet is improved.
Furthermore, the roller assembly comprises a roller and a roller penetrating through the roller, a containing groove for containing the roller is formed in the support body, and the roller is installed in the containing groove through the roller.
Furthermore, both sides of the accommodating groove are provided with limiting grooves matched with both ends of the rolling shaft, and the limiting grooves are provided with convex ribs; the two ends of the rolling shaft are respectively arranged on the two limiting grooves and form interference fit with the convex ribs.
From this, through the interference fit between roller bearing and the protruding muscle to can dismantle the wheel components and be connected to in the storage tank, it is comparatively simple and convenient.
Further, the convex ribs are provided with a plurality of convex ribs which are vertically arranged.
Furthermore, an installation groove for the rolling shaft to pass through is formed in the roller, and a second limiting bulge is arranged in the installation groove;
the outer peripheral surface of the roller is provided with a second groove which is annular, the roller penetrates through the mounting groove and enables the second limiting protrusion to be clamped with the second groove, and therefore the roller is connected with the roller.
Therefore, the roller and the roller are detachably connected by clamping the second groove on the roller and the second limiting bulge in the roller mounting groove; in addition, the second limiting protrusion of the roller can rotate along the circumferential direction of the second groove, so that the roller can rotate on the roller.
Furthermore, the rotating block is cylindrical, lugs are arranged on two sides of the rotating block, and mounting holes are formed in the lugs.
Furthermore, a plurality of reinforcing grooves are formed in the support main body.
Additionally, the utility model also provides a robot of sweeping floor, include the quick-witted main part of sweeping floor and install universal wheel mechanism in the quick-witted main part of sweeping floor.
To sum up, the utility model discloses an universal wheel mechanism and robot of sweeping floor has following beneficial effect:
(1) the utility model discloses an universal wheel mechanism, when the pivot on the support inserted the cavity inner chamber of turning block until first recess and first spacing protruding looks joint, this pivot can carry out 360 degrees rotations along the circumferencial direction of first recess to realize wheel components's universal regulation. The universal wheel mechanism adopts the rotating assembly to replace a traditional bearing assembly, is simple in structure, convenient to mount and dismount, low in processing cost and high in popularization value.
(2) The utility model discloses an universal wheel mechanism through the interference fit between roller bearing and the protruding muscle to can dismantle the wheel components and be connected to in the storage tank, comparatively simple and convenient.
(3) The universal wheel mechanism of the utility model is clamped with the second limiting bulge in the roller mounting groove through the second groove on the roller, thereby realizing the detachable connection between the roller and the roller; in addition, the second limiting protrusion of the roller can rotate along the circumferential direction of the second groove, so that the roller can rotate on the roller.
Drawings
FIG. 1 is an exploded view of the universal wheel mechanism of the present invention;
FIG. 2 is an exploded view of the rotating assembly of the universal wheel mechanism of the present invention;
FIG. 3 is an exploded view of the roller assembly of the universal wheel mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a roller of the roller assembly of the present invention;
fig. 5 is a schematic structural view of the bracket of the present invention;
fig. 6 is a schematic structural view of the bracket main body of the present invention;
fig. 7 is a schematic structural diagram of the universal wheel mechanism of the present invention.
Wherein the reference numerals have the following meanings:
1. a universal wheel mechanism; 11. a support; 111. a stent body; 1111. a containing groove; 1112. a limiting groove; 1113. a rib is protruded; 1114. reinforcing the grooves; 112. a rotating shaft; 1121. a first groove; 12. a roller assembly; 121. a roller; 1211. a second groove; 122. a roller; 1221. mounting grooves; 1222. a second limit bulge; 13. a rotating assembly; 131. rotating the block; 1311. a through hole; 1312. a lug; 13121. mounting holes; 132. a spring plate; 1321. an installation part; 1322. a connecting portion; 1323. a bending part.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 6, the present invention provides a universal wheel mechanism 1, including a bracket 11, a roller assembly 12 and a rotating assembly 13 mounted on the bracket 11, wherein the bracket 11 includes a bracket main body 111 and a rotating shaft 112 disposed in the middle of the bracket main body 111, the bracket main body 111 is provided with a receiving groove 1111 for receiving the roller assembly 12, and the bracket main body 111 is provided with a plurality of reinforcing grooves 1114 except the receiving groove 1111; the roller assembly 12 includes a roller 122 and a roller 121 disposed on the roller 122, and the roller 122 is installed in the accommodating groove 1111 through the roller 121.
Specifically, both sides of the accommodating groove 1111 are provided with limiting grooves 1112 matched with both ends of the roller 121, and the limiting grooves 1112 are provided with convex ribs 1113; the two ends of the roller 121 are respectively installed in the two limiting grooves 1112 and form an interference fit with the rib 1113. From this, through the interference fit between this roller bearing 121 and the protruding muscle 1113, can realize dismantling roller components 12 and connect in storage tank 1111, it is comparatively simple and convenient.
In this embodiment, the ribs 1113 are provided in plural and are arranged vertically.
Specifically, a through mounting groove 1221 through which the roller 121 can pass is formed in the roller 122, and a second annular limiting protrusion 1222 is formed in the mounting groove 1221; a second groove 1211, which is matched with the second limiting protrusion 1222 and is also circular-shaped, is formed on the outer circumferential surface of the middle portion of the roller 121. Therefore, when the roller 121 passes through the mounting groove 1221 until the second groove 1211 is engaged with the second position-limiting protrusion 1222, the roller 122 and the roller 121 can be detachably connected.
Therefore, the second groove 1211 on the roller 121 is engaged with the second limit protrusion 1222 in the mounting groove 1221 of the roller 122, so that the roller 121 and the roller 122 can be detachably connected. In addition, the second position-limiting protrusion 1222 of the roller 122 can rotate along the circumferential direction of the second groove 1211, so that 360 degrees of rotation of the roller 122 on the roller shaft 121 can be realized.
Referring to fig. 1-6, the rotating assembly 13 includes a cylindrical rotating block 131 having a hollow inner cavity, and a first limiting protrusion is disposed on the hollow inner cavity of the rotating block 131; the outer peripheral surface of the rotating shaft 112 of the bracket 11 is provided with a first annular groove 1121. When the rotating shaft 112 is inserted into the hollow inner cavity of the rotating block 131 until the first recess 1121 is engaged with the first limiting protrusion, the rotating shaft 112 can rotate 360 degrees along the circumferential direction of the first recess 1121, thereby achieving universal adjustment of the roller assembly 12.
Therefore, when the rotating shaft 112 on the bracket 11 is inserted into the hollow inner cavity of the rotating block 131 until the first groove 1121 is engaged with the first limiting protrusion, the rotating shaft 112 can rotate 360 degrees along the circumferential direction of the first groove 1121, thereby realizing universal adjustment of the roller assembly 12. In addition, the universal wheel mechanism 1 adopts the rotating component 13 to replace the traditional bearing component, so that the structure is simple, the installation and the disassembly are convenient, the processing cost is low, and the popularization value is high.
Specifically, the rotating assembly 13 further includes a spring 132 mounted on the rotating block 131, and the spring 132 includes a mounting portion 1321 for being sleeved on the rotating block 131, a bending portion 1323 bent toward the inside of the rotating block 131, and a connecting portion 1322 for respectively connecting the mounting portion 1321 and the bending portion 1323; the side wall of the rotating block 131 is opened with a through hole 1311 communicating with the hollow cavity thereof, and the bending portion 1323 passes through the through hole 1311 and forms a first limiting protrusion. Therefore, when the bending portion 1323 of the resilient tab 132 is engaged with the first recess 1121, the resilient tab 132 can rotate 360 degrees along the circumferential direction of the first recess 1121.
In this embodiment, the elastic sheet 132 is made of metal material; the mounting portion 1321 of the elastic sheet 132 has a circular ring structure with an opening on a side portion, the bending portion 1323 has an approximate V-shaped structure, and the connecting portion 1322 has a flat plate structure; the mounting portion 1321, the connecting portion 1322, and the bent portion 1323 of the resilient piece 132 are integrally formed.
In addition, two sides of the rotating block 131 in the universal wheel mechanism 1 are also provided with lugs 1312, and the lugs 1312 are provided with mounting holes 13121; the universal wheel mechanism 1 can be mounted on the cleaning main body through the mounting hole 13121.
Additionally, the utility model provides a robot of sweeping floor, including sweeper main part and above-mentioned universal wheel mechanism 1, set up the mounting groove with this turning block 131 both sides lug 1312 and turning block 131 top shape looks adaptation on the bottom of this sweeper main part, and set up the screw corresponding with lug 1312 mounting hole 13121 on this mounting groove.
The utility model discloses an installation of universal wheel mechanism 1 as follows:
firstly, the roller 121 is connected with the roller 122 when the roller 121 passes through the mounting groove 1221 of the roller 122 until the second groove 1211 on the roller 121 is clamped with the second limit protrusion 1222 in the mounting groove 1221, thereby completing the mounting of the roller assembly 12; subsequently, the roller assembly 12 is aligned to the accommodating groove 1111 of the bracket main body 111, and the rotating shaft 112 of the roller assembly 12 is aligned to the limiting grooves 1112 at the two ends of the accommodating groove 1111 and is clamped, so that the two ends of the rotating shaft 112 and the convex ribs 1113 on the limiting grooves 1112 form interference fit, thereby fixing the rotating shaft 112 and further completing the installation between the roller assembly 12 and the bracket 11; then, the mounting portion 1321 of the elastic sheet 132 is sleeved on the bottom of the rotating block 131, and the bent portion 1323 of the elastic sheet 132 extends into the through hole 1311 of the rotating block 131, so that the rotating assembly 13 is mounted; subsequently, when the rotating shaft 112 on the bracket 11 is inserted into the hollow inner cavity of the rotating block 131 until the first groove 1121 is engaged with the bending portion 1323 on the elastic sheet 132, the bracket 11 and the rotating assembly 13 can be mounted, and at this time, the assembly of the universal wheel mechanism 1 is completed. Finally, the rotating block 131 on the universal wheel mechanism 1 is clamped into the mounting groove of the sweeper body, and a screw penetrates through the mounting hole 13121 and is in threaded connection with the screw hole, so that the universal wheel mechanism 1 is mounted on the sweeper body.
To sum up, the utility model discloses an universal wheel mechanism 1 and robot of sweeping floor has following beneficial effect:
the utility model discloses a universal wheel mechanism 1, when the pivot 112 on the support 11 inserted the cavity inner chamber of turning block 131 until first recess 1121 with first spacing protruding looks joint, this pivot 112 can carry out 360 degrees rotations along the circumferencial direction of first recess 1121 to realize the universal regulation of wheel components 12. In addition, the universal wheel mechanism 1 adopts the rotating component 13 to replace the traditional bearing component, so that the structure is simple, the installation and the disassembly are convenient, the processing cost is low, and the popularization value is high.
(II) the utility model discloses an universal wheel mechanism 1 is through the interference fit between roller bearing 121 and the protruding muscle 1113 to can dismantle wheel components 12 and be connected to in the storage tank 1111, it is comparatively simple and convenient.
Third, the universal wheel mechanism 1 of the present invention is connected to the second limiting protrusion 1222 inside the mounting groove 1221 of the roller 122 through the second groove 1211 on the roller 121, so as to achieve the detachable connection between the roller 121 and the roller 122; in addition, the second stopper protrusion 1222 of the roller 122 is rotatable in the circumferential direction of the second groove 1211, thereby achieving the rotation of the roller 122 on the roller shaft 121.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship relative to one another as illustrated in the figures, which is meant only to facilitate describing the invention and to simplify the description, and are not meant to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In addition, in the description of the present invention, "a plurality" or "a plurality" means two or more unless specifically limited otherwise.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by combining the above technical features at will. It should be noted that modifications and embellishments may be made by those skilled in the art without departing from the principles of the present invention and are considered within the scope of the invention.
Claims (10)
1. The universal wheel mechanism is characterized by comprising a bracket, a roller assembly and a rotating assembly, wherein the roller assembly and the rotating assembly are arranged on the bracket, and the universal wheel mechanism comprises:
the rotating assembly comprises a rotating block with a hollow inner cavity, and a first limiting bulge is arranged on the hollow inner cavity of the rotating block;
the bracket comprises a bracket main body and a rotating shaft which is arranged on the bracket main body and is used for being inserted into the hollow inner cavity of the rotating block, and the outer peripheral surface of the rotating shaft is provided with a first annular groove;
the pivot inserts the cavity inner chamber of turning block until first recess with during first spacing protruding looks joint, the pivot can be followed 360 degrees rotations of the circumferencial direction of first recess, and then realizes the universal regulation of wheel components.
2. The universal wheel mechanism according to claim 1, wherein the rotating assembly further comprises an elastic sheet, the elastic sheet comprises a mounting portion for being sleeved on the rotating block, a bending portion bending towards the inside of the rotating block, and connecting portions respectively connecting the mounting portion and the bending portion;
the side wall of the rotating block is provided with a through hole communicated with the hollow inner cavity of the rotating block, and the bent part penetrates through the through hole and forms the first limiting protrusion.
3. The universal wheel mechanism according to claim 2, wherein the mounting portion, the connecting portion and the bending portion of the resilient plate are integrally formed.
4. The universal wheel mechanism according to any one of claims 1 to 3, wherein the roller assembly comprises a roller and a roller penetrating the roller, a receiving groove for receiving the roller is formed in the bracket body, and the roller is mounted in the receiving groove through the roller.
5. The universal wheel mechanism according to claim 4, wherein both sides of the accommodating groove are provided with limiting grooves matched with both ends of the rolling shaft, and the limiting grooves are provided with convex ribs; the two ends of the rolling shaft are respectively arranged on the two limiting grooves and form interference fit with the convex ribs.
6. The universal wheel mechanism according to claim 5, wherein the ribs are provided in a plurality and are arranged vertically.
7. The universal wheel mechanism according to claim 4, wherein an installation groove for the rolling shaft to pass through is formed in the roller, and a second limiting protrusion is arranged in the installation groove;
the outer peripheral surface of the roller is provided with a second groove which is annular, the roller penetrates through the mounting groove and enables the second limiting protrusion to be clamped with the second groove, and therefore the roller is connected with the roller.
8. The universal wheel mechanism according to claim 1, wherein the rotating block is cylindrical, and two sides of the rotating block are provided with lugs, and the lugs are provided with mounting holes.
9. The universal wheel mechanism according to claim 1, wherein the frame body has a plurality of reinforcing grooves formed therein.
10. A sweeping robot, characterized by comprising a sweeper body and the universal wheel mechanism of any one of claims 1-9 mounted on the sweeper body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258388.5U CN216823309U (en) | 2022-02-08 | 2022-02-08 | Universal wheel mechanism and sweeping robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258388.5U CN216823309U (en) | 2022-02-08 | 2022-02-08 | Universal wheel mechanism and sweeping robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216823309U true CN216823309U (en) | 2022-06-28 |
Family
ID=82089466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220258388.5U Active CN216823309U (en) | 2022-02-08 | 2022-02-08 | Universal wheel mechanism and sweeping robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216823309U (en) |
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2022
- 2022-02-08 CN CN202220258388.5U patent/CN216823309U/en active Active
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