CN106390471A - Tracked vehicle - Google Patents
Tracked vehicle Download PDFInfo
- Publication number
- CN106390471A CN106390471A CN201610782188.9A CN201610782188A CN106390471A CN 106390471 A CN106390471 A CN 106390471A CN 201610782188 A CN201610782188 A CN 201610782188A CN 106390471 A CN106390471 A CN 106390471A
- Authority
- CN
- China
- Prior art keywords
- plate
- wheel
- fixedly connected
- hole
- motor
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
- A63H17/262—Chassis; Wheel mountings; Wheels; Axles; Suspensions; Fitting body portions to chassis
Abstract
The invention discloses a tracked vehicle, which comprises a bracket, a motor and wheels, wherein the bracket comprises two parallel wheel plates; an adapter plate is fixedly connected to each of the two wheel plates; the two adapter plates are connected and fixed by virtue of a connecting plate; a plurality of shaft holes are formed in the wheel plates; and a rotating shaft of the motor runs through the shaft hole, so that the wheels are driven. Since the bracket comprises the two parallel wheel plates, one of the adapter plates is fixedly connected to each of the two wheel plates and the two adapter plates are connected and fixed by virtue of the connecting plate, the design of the formed bracket is simplified to the greatest extent, and the tracked vehicle is constituted by a few of parts which are universal parts and can be combined arbitrarily; therefore, the tracked vehicle is especially suitable for children to practice operations, and the tracked vehicle is capable of improving the practical ability and creativity of the children.
Description
Technical field
The present invention relates to robot field, in particular, it is related to a kind of creeper truck.
Background technology
Existing toy car is mainly wheeled and crawler type.Crawler type toy car structure is complicated, poor operability.
Content of the invention
The technical problem to be solved is the creeper truck providing a kind of structure simple operationss strong.
The purpose of the present invention is achieved through the following technical solutions：A kind of creeper truck, including support, motor and car
Wheel, described support includes two parallel wheel plates, two described wheel plates is respectively fixedly connected with a keyset, two institutes
State and be connected by a connecting plate on keyset, described wheel plate is provided with multiple axis holes, the rotating shaft of described motor passes through
Axis hole driving moment.
Further, described wheel plate is uniformly provided with multiple fixing holes, described keyset includes perpendicular to one another first
Side plate and the second side plate, described first side plate and the second side plate are uniformly provided with multiple fixing holes, described connecting plate uniformly set
There are multiple fixing holes, described first side plate is fixed with wheel plate by fixing hole, described second side plate passes through fixing hole and is connected
Plate is fixed.
Further, the fixing hole on described wheel plate is axis hole.
Fixing hole is the same with axis hole, very convenient, strong applicability.
Further, be fixedly connected rack below described connecting plate, described rack include two-layer place plate, described two
Layer is placed and is fixedly connected by multiple fixed columns between plate, and upper strata is placed plate lower surface and is fixedly connected main circuit board, and lower floor places
Plate lower surface is fixedly connected battery case.
It is convenient to place, good fixing effect, can be very good to protect main circuit board and battery case, can adopt many in battery case
Whose power supplied, it would however also be possible to employ lithium battery power supply.
Further, the drive surface of described motor is fixedly connected with motor plate, and described motor plate is fixedly connected with wheel plate,
Described machine shaft passes through axis hole driving moment.
Further, the outer surface of described wheel is gear-like, described wheel is provided with crawler belt, in described crawler belt inside
Between be provided with Access Division with the cooperation of wheel outer surface, described crawler belt is made up of multiple end to end subassemblies.
The outer surface of wheel is gear-like, and crawler belt bosom is provided with the Access Division with the cooperation of wheel outer surface, and wheel can
With the good Access Division driving crawler belt, being engaged crawler belt by the wheel of gear-like, pass by gully during advancing, go up a slope etc.
Can be very good during landform to drive crawler belt, cannot will not advance as common wheel, crawler belt is joined by multiple end to end sons
Part forms, and can be suitable for the wheel of different distance, adaptability is higher.
Further, it is provided with prominent head outwardly in the middle of described subassembly one end, set in the middle of described prominent head
Have first through hole, in the middle of the described subassembly other end, be provided with the central indentation projecting head fits with other subassemblies, described in
Between breach both sides be provided with connection protuberance, be provided with second through hole concentric with first through hole, institute in the middle of described clamping protuberance
State crawler belt and also include the clamping axle through first through hole and the second through hole.
Convenient connection, is together in series with clamping axle.
The present invention includes two parallel wheel plates due to support, two described wheel plates is respectively fixedly connected with one and turns
Fishplate bar, two described keysets are connected by a connecting plate, and the support of formation is the simplest design, and building block is few,
Part is all universal component, can be particularly suitable for child's exercise operation, improve manipulative ability and the wound of child in any combination
Make power.
Brief description
Fig. 1 is a kind of creeper truck schematic diagram of the embodiment of the present invention；
Fig. 2 is a kind of creeper truck support schematic diagram of the embodiment of the present invention；
Fig. 3 is a kind of creeper truck moving parts schematic diagram of the embodiment of the present invention；
Fig. 4 is a kind of creeper truck moving parts side schematic view of the embodiment of the present invention；
Fig. 5 is a kind of another schematic diagram of creeper truck moving parts of the embodiment of the present invention；
Fig. 6 is a kind of creeper truck gripper components schematic diagram of the embodiment of the present invention；
Fig. 7 is a kind of creeper truck rack schematic diagram of the embodiment of the present invention；
Fig. 8 is a kind of creeper truck crawler belt subassembly schematic diagram of the embodiment of the present invention；
Fig. 9 is a kind of creeper truck crawler belt subassembly schematic rear view of the embodiment of the present invention；
Figure 10 is a kind of creeper truck crawler belt schematic diagram of the embodiment of the present invention.
Wherein：1st, support, 11, wheel plate, 111, axis hole, 112, fixing hole, 12, keyset, the 121, first side plate, 122,
Second side plate, 13, connecting plate, 14, rack, 2, wheel, 3, crawler belt, 31, Access Division, 32, subassembly, 321, prominent head,
322nd, central indentation, 323, connect protuberance, 324, clamping axle, 33, running part, 34, spacing block set, 35, intermediate groove, 36,
Walking is raised, and 4, motor, 41, motor plate, 5, mechanical arm, 6, gripper components, 61, crawl motor, 62, clip, 621, upper clamp,
622nd, lower clamp, 63, base disk, 64, drive disk, 65, side position fixed plate, 66, pivot connecting plate, 67, well letter stencil, 7, moving parts,
71st, mobile motor, 72, fixed mount, 721, fixed part, 722, travel mechanism, 723, fixed connecting plate, the 724, first kink,
725th, supporting plate, the 726, second kink, 727, driving plate, 728, connecting shaft, the 73, first carrier wheel, the 74, second mobile tooth
Wheel, 75, strengthen connecting plate, 76, location-plate, 77, planar attachment plate, 78, sub-circuit board.
Specific embodiment
The invention will be further described with preferred embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 10, a kind of creeper truck, including wheel 2, the outer surface of described wheel 2 is gear-like, described car
Wheel 2 on be provided with crawler belt 3, described crawler belt 3 bosom be provided with wheel 2 outer surface cooperation Access Division 31, described crawler belt 3 by
Multiple end to end subassemblies 32 form.
Because the outer surface of wheel 2 is gear-like, crawler belt 3 bosom is provided with the Access Division with the cooperation of wheel 2 outer surface
31, wheel 2 can be very good to drive crawler belt 3, is engaged the Access Division 31 of crawler belt 3 by the wheel 2 of gear-like, during advancing
Pass by gully, can be very good to drive crawler belt 3 during the landform such as go up a slope, cannot will not advance as common wheel 2, crawler belt 3 by
Multiple end to end subassemblies 32 form, and can be suitable for the wheel 2 of different distance, adaptability is higher.
It is provided with prominent head 321 outwardly in the middle of described subassembly 32 one end, be provided with the middle of described prominent head 321
First through hole, is provided with the central indentation projecting head 321 cooperation with other subassemblies 32 in the middle of described subassembly 32 other end
322, described central indentation 322 both sides are provided with connection protuberance 323, are provided with coaxial with first through hole in the middle of described clamping protuberance
Second through hole of the heart, described crawler belt 3 also includes the clamping axle 324 through first through hole and the second through hole.Convenient connection, uses clamping
Axle 324 is together in series.
Described prominent head 321 outer end is arc, and described connection protuberance 323 outer end is arc.Two subassemblies
It is not easy between 32 to disturb.
Described subassembly 32 also includes the running part 33 of centre, and described Access Division 31 is arranged in running part 33 inner surface
Between, described Access Division 31 both sides are additionally provided with the spacing block set 34 of limiting wheel 2.Crawler belt 3 can be limited by spacing block set 34 well
System is in centre.
One end area that described spacing block set 34 is connected with running part 33 is more than outside hanging one end, described spacing block set 34
It is trapezoidal near Access Division 31 one side.Spacing block set 34 bonding strength is big.
Described running part 33 outer surface is provided with multiple walkings raised 36.Strengthen frictional force, walking is more stable.
Described running part 33 outside includes intermediate groove 35, and corresponding intermediate groove 35 both sides of described running part 33 lateral surface set
There are multiple walkings raised 36, in the middle of described intermediate groove 35, be provided with through hole, described walking projection 36 outer ends are hemispherical.Strengthen
Adaptability to ground, preferably passes by gully etc..
Described creeper truck also includes arranging the support 1 of wheel 2, and described support 1 is provided with multiple axis holes 111, described wheel 2
Driven by the motor 4 through axis hole 111.Support 1 is provided with multiple axis holes 111, can arrange front and back wheel 2 not as needed
Same spacing, the larger space of intermediate demand as larger in circuit board, different size of wheel 2, wheel 2 can be selected as needed
Become big, the crawler belt 3 on wheel 2 is also required to more greatly naturally, and the crawler belt 3 being made up of subassembly 32 can be suitable for, very convenient.
Another preferred implementation of the present invention, a kind of creeper truck, including support 1, motor 4 and wheel 2, described support 1
Including two parallel wheel 2 plates 11, two described wheel 2 plates 11 are respectively fixedly connected with a keyset 12, described in two
It is connected by a connecting plate 13 on keyset 12, described wheel 2 plate 11 is provided with multiple axis holes 111, described motor 4
Rotating shaft passes through axis hole 111 driving moment 2.
Because support 1 includes two parallel wheel 2 plates 11, two described wheel 2 plates 11 are respectively fixedly connected with one
Keyset 12, two described keysets 12 are connected by a connecting plate 13, and the support 1 of formation is the simplest design, group
One-tenth part is few, and part is all universal component, can be particularly suitable for child's exercise operation, improve the dynamic of child in any combination
Handss ability and creativity.
It is uniformly provided with multiple fixing holes 112, described keyset 12 includes the first side perpendicular to one another on described wheel 2 plate 11
Plate 121 and the second side plate 122, described first side plate 121 and the second side plate 122 are uniformly provided with multiple fixing holes 112, described company
Multiple fixing holes 112 are uniformly provided with fishplate bar 13, described first side plate 121 passes through fixing hole 112 to be fixed with wheel 2 plate 11, institute
State the second side plate 122 fixing with connecting plate 13 by fixing hole 112.
Fixing hole 112 on described wheel 2 plate 11 is axis hole 111.Fixing hole 112 is the same with axis hole 111, very just
Just, strong applicability.
It is fixedly connected rack 14, described rack 14 includes two-layer and places plate, described two-layer below described connecting plate 13
Place and be fixedly connected by multiple fixed columns between plate, upper strata is placed plate lower surface and is fixedly connected main circuit board, plate is placed by lower floor
Lower surface is fixedly connected battery case.It is convenient to place, good fixing effect, can be very good to protect main circuit board and battery case, battery
Can be powered using multiple batteries in box, it would however also be possible to employ lithium battery power supply.
The drive surface of described motor 4 is fixedly connected with motor plate 41, and described motor plate 41 is fixedly connected with wheel 2 plate 11,
The rotating shaft of described motor 4 passes through axis hole 111 driving moment 2.
The outer surface of described wheel 2 is gear-like, described wheel 2 is provided with crawler belt 3, described crawler belt 3 bosom sets
There is the Access Division 31 with the cooperation of wheel 2 outer surface, described crawler belt 3 is made up of multiple end to end subassemblies 32.Outside wheel 2
Surface is gear-like, and crawler belt 3 bosom is provided with the Access Division 31 with the cooperation of wheel 2 outer surface, and wheel 2 can be very good to drive
Crawler belt 3, is engaged the Access Division 31 of crawler belt 3 by the wheel 2 of gear-like, passes by gully, during the landform such as upward slope during advancing
Can be very good to drive crawler belt 3, cannot will not advance as common wheel 2, crawler belt 3 is by multiple end to end subassemblies 32
Composition, can be suitable for the wheel 2 of different distance, adaptability is higher.
It is provided with prominent head 321 outwardly in the middle of described subassembly 32 one end, be provided with the middle of described prominent head 321
First through hole, is provided with the central indentation projecting head 321 cooperation with other subassemblies 32 in the middle of described subassembly 32 other end
322, described central indentation 322 both sides are provided with connection protuberance 323, are provided with coaxial with first through hole in the middle of described clamping protuberance
Second through hole of the heart, described crawler belt 3 also includes the clamping axle 324 through first through hole and the second through hole.Convenient connection, uses clamping
Axle 324 is together in series.
Another preferred implementation of the present invention, a kind of creeper truck, including main body and mechanical arm 5, described mechanical arm 5 includes
Gripper components 6 and moving parts 7, described gripper components 6 include capturing motor 61 and clip 62, and described crawl motor 61 drives folder
Sub 62 foldings, described moving parts 7 includes mobile motor 71 and fixed mount 72, and described fixed mount 72 includes being fixedly connected with main body
Fixed part 721, described fixed mount 72 also includes the moving machine that moves up and down of driving gripper components 6 with mobile motor 71 cooperation
Structure 722.
Due to moving parts 7 clever structure, convenient realization, driving effect is good, and the parts of moving parts 7 are all standard
Part, can in any combination, replace, be particularly suitable for child's exercise operation, improve the manipulative ability of child and creativity.
Described fixed mount 72 includes the fixed connecting plate 723 being fixedly connected with crawler belt vehicle main body, described fixed connecting plate 723
Both sides are fixedly connected the bottom of the first bending connecting plate 13, and the top of described first bending connecting plate 13 is fixedly connected supporting plate
725, described supporting plate 725 top is fixedly connected the bottom of the second bending connecting plate 13, and described second bends the upper of connecting plate 13
Portion is fixedly connected driving plate 727 upper end, and described driving plate 727 lower end is fixedly connected gripper components 6.
It is provided with connecting shaft 728, described Coupling Shaft is provided with the second carrier wheel 74, institute between symmetrical sub- driving plate 727
State mobile motor 71 and be arranged on fixed mount 72 bottom, the rotary shaft of described mobile motor 71 is provided with the first carrier wheel 73, institute
State the first carrier wheel 73 and pass through belt drive the second carrier wheel 74.
It is provided with reinforcement connecting plate 75 in the middle of symmetrical sub- driving plate 727.
Described supporting plate 725 is provided with keyset 12, and described keyset 12 is provided with multiple fixing holes 112, described movement
The drive surface of motor 71 is fixedly connected with motor plate 41, and described motor plate 41 is fixedly connected with keyset 12.
Described two pieces of driving plates 727 include two pieces of parallel sub- driving plates 727 being respectively provided at both sides, described connecting shaft
728 include the second connecting shaft 728 arranging the first connecting shaft 728 and being arranged on the first connecting shaft 728 top, described driving plate
727 include being fixed by socket in the first driving plate 727 in the first connecting shaft 728 and are fixed by socket in the second connecting shaft 728
Second driving plate 727, described first driving plate 727 and the second driving plate 727 are respectively fixedly connected with location-plate, and about 76 two positions
Put.
Described location-plate 76 both sides pass through planar attachment plate 77 and the first driving plate 727 respectively and the second driving plate 727 is solid
Fixed connection, described location-plate 76 side is provided with fixing hole 112, and described planar attachment plate 77 is fixedly connected with location-plate 76 side.
It is fixedly connected by planar attachment plate 77 is vertical with crawl section in the middle of described location-plate 76, described planar attachment plate 77
Lower end exceeds location-plate 76.
Described first bending connecting plate 13, supporting plate 725, second bend connecting plate 13, driving plate 727, keyset 12, determine
It is uniformly provided with fixing hole 112 on position plate 76 and planar attachment plate 77.
Described supporting plate 725 is provided with sub-circuit board 78.Bluetooth plate, antenna control board etc. can be set, convenient replace and
Install.
Another preferred implementation of the present invention, a kind of creeper truck, including main body and mechanical arm 5, described mechanical arm 5 includes
Gripper components 6 and moving parts 7, described moving parts 7 includes mobile motor 71 and fixed mount 72, described fixed mount 72 include with
The fixed part 721 that main body is fixedly connected, described fixed mount 72 also includes the driving gripper components coordinating with mobile motor 71 about 6
The travel mechanism 722 of movement, described gripper components 6 include capturing motor 61 and clip 62, and described crawl motor 61 drives clip
62 foldings, described clip 62 includes upper clamp 621 and the lower clamp 622 of both sides, and described lower clamp 622 is driven with crawl motor 61
Connect, described upper clamp 621 and lower clamp 622 axle connect.
Due to gripper components 6 clever structure, convenient realization, driving effect is good, and the parts of gripper components 6 are all standard
Part, can in any combination, replace, be particularly suitable for child's exercise operation, improve the manipulative ability of child and creativity.
Described gripper components 6 include base disk 63, drive disk 64, and described base disk 63 is fixedly connected with moving parts 7, institute
State base disk 63 to be fixedly connected by multiple connecting posts with drive disk 64, described crawl motor 61 is arranged in multiple fixed columns
Between, described crawl motor 61 drives lower clamp 622.
Described drive disk 64 both sides are respectively fixedly connected with side position fixed plate 65, and described side position fixed plate 65 connects lower clamp
622, described lower clamp 622 includes being separately positioned on side position fixed plate monosymmetric lower plate about 65, two pieces of lower plates it
Between be provided with pivot connecting plate 66, the pivot connecting plate 66 of both sides is connected by well letter stencil 67, described crawl motor 61 connect well letter stencil 67.
Described side position fixed plate 65 includes the side position breach snapping in drive disk 64, and the side wall of described side position breach both sides sets
There is the fixing hole 112 fixing with drive disk 64.Fixing intensity is big.
Described lower clamp 622 includes being separately positioned on the lower plate of side position fixed plate 65 left and right sides.Double-deck fixing, fixing
Effect is good.
It is provided with crawl burr inside described upper clamp 621 outer end.Increase frictional force, facilitate outer end to capture.On described
It is provided with crawl burr inside clamp 621 inner end.Increase frictional force, facilitate end to capture.Inside described upper clamp 621 centre
For indent arc.Increase contact area, convenient middle crawl.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (7)
1. it is characterised in that including support, motor and wheel, described support includes two parallel wheel plates to a kind of creeper truck,
One keyset is respectively fixedly connected with two described wheel plates, two described keysets passes through a connecting plate and connects admittedly
Fixed, described wheel plate is provided with multiple axis holes, and the rotating shaft of described motor passes through axis hole driving moment.
2. a kind of creeper truck according to claim 1 is it is characterised in that be uniformly provided with multiple fixations on described wheel plate
Hole, described keyset includes the first side plate perpendicular to one another and the second side plate, and described first side plate and the second side plate uniformly set
There are multiple fixing holes, described connecting plate is uniformly provided with multiple fixing holes, it is solid with wheel plate that described first side plate passes through fixing hole
Fixed, described second side plate is fixed with connecting plate by fixing hole.
3. a kind of creeper truck according to claim 2 is it is characterised in that the fixing hole on described wheel plate is axis hole.
4. a kind of creeper truck according to claim 1 is it is characterised in that be fixedly connected rack below described connecting plate,
Described rack includes two-layer and places plate, and described two-layer is placed and is fixedly connected by multiple fixed columns between plate, and plate is placed on upper strata
Lower surface is fixedly connected main circuit board, and lower floor places plate lower surface and is fixedly connected battery case.
5. a kind of creeper truck according to claim 1 is it is characterised in that the drive surface of described motor is fixedly connected with motor
Plate, described motor plate is fixedly connected with wheel plate, and described machine shaft passes through axis hole driving moment.
6. a kind of creeper truck according to claim 1 is it is characterised in that the outer surface of described wheel is gear-like, described
Crawler belt is provided with wheel, described crawler belt bosom is provided with the Access Division with the cooperation of wheel outer surface, and described crawler belt is by multiple
End to end subassembly composition.
7. a kind of creeper truck according to claim 2 is it is characterised in that be provided with outwardly in the middle of described subassembly one end
Prominent head, be provided with first through hole in the middle of described prominent head, be provided with the middle of the described subassembly other end and other subassemblies
The central indentation of prominent head fits, described central indentation both sides are provided with connection protuberance, are provided with the middle of described clamping protuberance
Second through hole concentric with first through hole, described crawler belt also includes the clamping axle through first through hole and the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782188.9A CN106390471A (en) | 2016-08-30 | 2016-08-30 | Tracked vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782188.9A CN106390471A (en) | 2016-08-30 | 2016-08-30 | Tracked vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106390471A true CN106390471A (en) | 2017-02-15 |
Family
ID=58001043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782188.9A Pending CN106390471A (en) | 2016-08-30 | 2016-08-30 | Tracked vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106390471A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018039930A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| WO2018039929A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| WO2018039927A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| WO2018039931A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| CN108499132A (en) * | 2018-03-28 | 2018-09-07 | 吉安螃蟹王国科技有限公司 | Crawler belt for toy car and its application |
-
2016
- 2016-08-30 CN CN201610782188.9A patent/CN106390471A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018039930A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| WO2018039929A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| WO2018039927A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| WO2018039931A1 (en) * | 2016-08-30 | 2018-03-08 | 许琴琴 | Crawler vehicle |
| CN108499132A (en) * | 2018-03-28 | 2018-09-07 | 吉安螃蟹王国科技有限公司 | Crawler belt for toy car and its application |
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Application publication date: 20170215 |