CN207697388U - Wheel with variable diameter - Google Patents
Wheel with variable diameter Download PDFInfo
- Publication number
- CN207697388U CN207697388U CN201721806054.2U CN201721806054U CN207697388U CN 207697388 U CN207697388 U CN 207697388U CN 201721806054 U CN201721806054 U CN 201721806054U CN 207697388 U CN207697388 U CN 207697388U
- Authority
- CN
- China
- Prior art keywords
- lead screw
- wheel
- slide unit
- panel
- variable diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of wheel with variable diameter, including rack, it is provided with sun gear in the middle part of the rack, the side of the sun gear is engaged with several planetary gears, each planetary gear is correspondingly arranged on lead screw slipway mechanism, scissors mechanism and wheel panel, each planetary gear is successively through corresponding lead screw slipway mechanism, scissors mechanism is connected with wheel panel, the lead screw slipway mechanism includes lead screw, guide rod and the slide unit being set in the two, the planetary gear drives lead screw rotation, the lead screw rotation drives slide unit along lead screw axially reciprocating, the slide unit is transported along lead screw axial reciprocating drives scissors mechanism folding, the wheel panel is diametrically reciprocated with the folding of scissors mechanism.The utility model structure design is simple and reliable, realizes the diameter change of wheel, greatly improves vehicle or the obstacle climbing ability of mobile robot, has broad application prospects.
Description
Technical field
The utility model is related to a kind of wheel with variable diameter.
Background technology
Existing wheel generally determines diameter vehicle wheels, for special occasion, such as Post disaster relief, survey of deep space, movement
The fields such as robot, special vehicle, determining diameter vehicle wheels has certain limitation.The car wheel structure that existing diameter can change
It designs unreasonable, it is difficult to use.
Utility model content
In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a kind of wheel with variable diameter,
It is not only reasonable in design but also efficiently convenient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of wheel with variable diameter, including rack,
Sun gear is provided in the middle part of the rack, the side of the sun gear is engaged with several planetary gears, each planetary gear
It is correspondingly arranged on lead screw slipway mechanism, scissors mechanism and wheel panel, each planetary gear is successively through corresponding silk
Bar slipway mechanism, scissors mechanism are connected with wheel panel, and the lead screw slipway mechanism is comprising lead screw, guide rod and is set in the two
On slide unit, the planetary gear drives lead screw rotation, and the lead screw rotation drives slide unit along lead screw axially reciprocating, described
Slide unit is transported along lead screw axial reciprocating drives scissors mechanism folding, and the wheel panel is with the radial reciprocal fortune of the folding of scissors mechanism
It is dynamic.
Further, the scissors mechanism includes at least a pair of hinged connecting rod that intersects, wherein being slided near lead screw
The head end of a connecting rod in a pair of links of platform mechanism is hinged with rack, wherein a pair near lead screw slipway mechanism connects
The head end of another connecting rod in bar is hinged with slide unit；The madial wall of the wheel panel is provided with sliding slot along its axial direction, wherein
The end of a connecting rod in a pair of links of wheel panel is matched with sliding slot, wherein connecting near a pair of of wheel panel
The end of another connecting rod in bar is hinged with wheel panel.
Further, the sun gear, planetary gear and lead screw slipway mechanism are arranged in parallel.
Further, a complete circle is formed after several described wheel panels fold completely.
Further, the lateral wall of each wheel panel is both provided with the decorative pattern of broken line type.
Further, the sun gear is driven by motor.
Compared with prior art, the utility model has the advantages that：The utility model structure design is simple and reliable,
The diameter change for realizing wheel, greatly improves vehicle or the obstacle climbing ability of mobile robot, before having wide application
Scape.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the organigram of the utility model embodiment.
Fig. 2 is the organigram of the utility model embodiment.
In figure：1- racks, 2- sun gears, 3- planetary gears, 4- lead screw slipway mechanisms, 401- lead screws, 402- guide rods, 403- are slided
Platform, 5- scissors mechanisms, 501- connecting rods, 6- take turns panel, 7- sliding slots.
Specific implementation mode
For allow the utility model features described above and advantage can be clearer and more comprehensible, special embodiment below, and coordinate attached drawing,
It is described in detail below.
As shown in Figure 1 and 2, the middle part of a kind of wheel with variable diameter, including rack 1, the rack 1 is provided with sun gear 2, institute
The side for stating sun gear 2 is engaged with several planetary gears 3, each planetary gear 3 be correspondingly arranged on lead screw slipway mechanism 4,
Scissors mechanism 5 and wheel panel 6, each planetary gear 3 successively through corresponding lead screw slipway mechanism 4, scissors mechanism 5 with
Wheel panel 6 is connected, and the lead screw slipway mechanism 4 includes lead screw 401, guide rod 402 and the slide unit 403 being set in the two,
The planetary gear 3 drives lead screw 401 to rotate, and the rotation of the lead screw 401 drives slide unit 403 along 401 axially reciprocating of lead screw,
The slide unit 403 is transported along 401 axial reciprocating of lead screw drives scissors mechanism 5 to open and close, and the wheel panel 6 is with scissors mechanism 5
Folding diametrically reciprocates；The scissors mechanism 5 is equivalent to the spoke of wheel, that is to say, that the utility model is to pass through change
The straight length of spoke is to realize the diameter change of wheel；The slide unit 403 is threadedly coupled with lead screw 401, the slide unit 403
It is slidably matched with guide rod 402, certain lead screw slipway mechanism 4 can select 401 mechanism of ball screw, according to actual conditions
It is fixed, it is not limited to this；Wheel panel 6 described above referred to as the folding of scissors mechanism 5 diametrically reciprocates wheel panel 6 with
Movement separate or close to sun gear 2 is done in the folding for scissors mechanism 5.
In the utility model embodiment, the scissors mechanism 5 includes at least a pair of connecting rod 501 for intersecting hinged,
The head end of a connecting rod 501 wherein in a pair of links 501 of lead screw slipway mechanism 4 is hinged with rack 1, wherein most
The head end of another connecting rod 501 in a pair of links 501 of lead screw slipway mechanism 4 is hinged with slide unit 403；The wheel face
The madial wall of plate 6 is provided with sliding slot 7 along its axial direction, wherein a connecting rod 501 in a pair of links 501 of wheel panel 6
End matched with sliding slot 7, wherein near wheel panel 6 a pair of links 501 in another connecting rod 501 end and wheel
Panel 6 is hinged；When the scissors mechanism 5 intersects hinged connecting rod 501 comprising a pair, the head end of a connecting rod 501
It is hinged with rack 1, head end and the slide unit 403 of another connecting rod 501 are hinged；The madial wall of the wheel panel 6 is along its axial direction
It is provided with sliding slot 7, the end of a connecting rod 501 is matched with sliding slot 7, end and wheel 6 phase of the panel hinge of another connecting rod 501
It connects.
In the utility model embodiment, the sun gear 2, planetary gear 3 and lead screw slipway mechanism 4 are mutually parallel and set
It sets.
In the utility model embodiment, several described wheel panels 6 form a complete circle after folding completely.
In the utility model embodiment, the lateral wall of each wheel panel 6 is both provided with the decorative pattern of broken line type.
In the utility model embodiment, the sun gear 2 is driven by motor.
The specific works method of the utility model, comprises the steps of：Sun gear 2, which rotates forward, drives all planetary gears 3
It rotates backward, planetary gear 3, which rotates backward, drives lead screw 401 to rotate backward, and lead screw 401, which rotates backward, drives slide unit 403 along silk
The axial positive sliding of bar 401, the slide unit 403 drive scissors mechanism 5 to pack up along the axial positive sliding of lead screw 401, the wheel
Panel 6 is radially unfolded with packing up for scissors mechanism 5, and the diameter of wheel with variable diameter becomes larger；Sun gear 2, which rotates backward, drives institute
There is planetary gear 3 to rotate forward, planetary gear 3, which rotates forward, drives lead screw 401 to rotate forward, and lead screw 401 rotates forward drive slide unit
403 drive scissors mechanism 5 to beat along the axial reverse slide of lead screw 401, the slide unit 403 along the axial reverse slide of lead screw 401
It opens, the wheel panel 6 is radial with the opening of scissors mechanism 5 to be packed up, and the diameter of wheel with variable diameter becomes smaller.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Go out other various forms of wheel with variable diameter.All equivalent changes and modifications done according to present utility model application the scope of the claims, all
The covering scope of the utility model should be belonged to.
Claims (6)
1. a kind of wheel with variable diameter, it is characterised in that：Including rack, sun gear, the sun are provided in the middle part of the rack
The side of wheel is engaged with several planetary gears, each planetary gear be correspondingly arranged on lead screw slipway mechanism, scissors mechanism with
And wheel panel, each planetary gear are connected through corresponding lead screw slipway mechanism, scissors mechanism with wheel panel successively, institute
It includes lead screw, guide rod and the slide unit being set in the two to state lead screw slipway mechanism, and the planetary gear drives lead screw rotation, described
Lead screw rotation drives slide unit along lead screw axially reciprocating, and the slide unit is transported along lead screw axial reciprocating drives scissors mechanism to open
It closes, the wheel panel is diametrically reciprocated with the folding of scissors mechanism.
2. wheel with variable diameter according to claim 1, it is characterised in that：The scissors mechanism includes at least a pair of mutually friendship
Hinged connecting rod is pitched, wherein the head end of in a pair of links of lead screw slipway mechanism a connecting rod is hinged with rack,
The head end of another connecting rod wherein in a pair of links of lead screw slipway mechanism is hinged with slide unit；The wheel panel
Madial wall is provided with sliding slot along its axial direction, wherein the end of a connecting rod in a pair of links of wheel panel and sliding slot phase
Cooperation, wherein the end of another connecting rod in a pair of links of wheel panel is hinged with wheel panel.
3. wheel with variable diameter according to claim 1, it is characterised in that：The sun gear, planetary gear and lead screw slide unit
Mechanism is arranged in parallel.
4. wheel with variable diameter according to claim 1, it is characterised in that：Several described wheel panels are formed after folding completely
One complete round.
5. wheel with variable diameter according to claim 1, it is characterised in that：The lateral wall of each wheel panel is both provided with
The decorative pattern of broken line type.
6. wheel with variable diameter according to claim 1, it is characterised in that：The sun gear is driven by motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806054.2U CN207697388U (en) | 2017-12-21 | 2017-12-21 | Wheel with variable diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721806054.2U CN207697388U (en) | 2017-12-21 | 2017-12-21 | Wheel with variable diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207697388U true CN207697388U (en) | 2018-08-07 |
Family
ID=63027648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721806054.2U Expired - Fee Related CN207697388U (en) | 2017-12-21 | 2017-12-21 | Wheel with variable diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207697388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032678A (en) * | 2017-12-21 | 2018-05-15 | 福建农林大学 | Wheel with variable diameter and its straighten routing method |
| CN110200556A (en) * | 2019-05-28 | 2019-09-06 | 广州科语机器人有限公司 | Obstacle detouring driving wheel and mobile device |
-
2017
- 2017-12-21 CN CN201721806054.2U patent/CN207697388U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032678A (en) * | 2017-12-21 | 2018-05-15 | 福建农林大学 | Wheel with variable diameter and its straighten routing method |
| CN110200556A (en) * | 2019-05-28 | 2019-09-06 | 广州科语机器人有限公司 | Obstacle detouring driving wheel and mobile device |
| CN110200556B (en) * | 2019-05-28 | 2022-04-19 | 广州科语机器人有限公司 | Obstacle-crossing driving wheel and mobile equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20191221 |