CN109430230A - A kind of environment-friendly type afforestation control of weeds multi-function operation facility - Google Patents
A kind of environment-friendly type afforestation control of weeds multi-function operation facility Download PDFInfo
- Publication number
- CN109430230A CN109430230A CN201811080717.6A CN201811080717A CN109430230A CN 109430230 A CN109430230 A CN 109430230A CN 201811080717 A CN201811080717 A CN 201811080717A CN 109430230 A CN109430230 A CN 109430230A
- Authority
- CN
- China
- Prior art keywords
- gear
- crank
- vehicle frame
- door body
- axle
- 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
Links
- 241000196324 Embryophyta Species 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
- A01M21/04—Apparatus for destruction by steam, chemicals, burning, or electricity
- A01M21/043—Apparatus for destruction by steam, chemicals, burning, or electricity by chemicals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F17/004—Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F2017/008—Special devices for shifting a plurality of wings operated simultaneously for swinging wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Insects & Arthropods (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of environment-friendly type afforestation control of weeds multi-function operation facilities, carriage body including vehicle frame and on vehicle frame, the vehicle frame is equipped with front axle and rear axle, rotation is equipped with front-wheel on the front axle, rotation is equipped with rear-wheel on the rear axle, it is characterized in that, the rear-wheel two sides are respectively equipped with one group of pedal-driven mechanism, the pedal-driven mechanism includes the first gear that rotation is set on rear axle, the first gear is fixed on rear-wheel side, second gear is rotatably connected to by first rotating shaft on the vehicle frame, the first gear engages second gear, the vehicle frame is also rotatably connected to the first crank, first crank includes the first crank axle portion and the first crank bar portion, the first crank axle portion is rotationally connected on vehicle frame.Pedal-driven mechanism structure of the invention is novel in design, eliminates traditional reel chain, and structure is simplified, and topology layout is reasonable, has practicability.
Description
Technical field
The present invention relates to field of garden technology, particularly relates to a kind of environment-friendly type afforestation control of weeds multi-function operation and set
It applies.
Background technique
The driving method unreasonable structural design of existing machinery device, chain type transmission mechanism limitation are big, it is difficult to break through knot
Structure limitation, long chain are easy to fall off damage.The car door opening mode of existing carriage body is not smart enough, and open-close ways are unreasonable,
It needs to improve.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of environment-friendly type afforestation control of weeds multi-function operations to set
It applies, to solve the driving method unreasonable structural design of mechanical device in the prior art, chain type transmission mechanism limitation is big, it is difficult to
Structure limitation is broken through, long chain is easy to fall off damage and the car door opening mode of existing carriage body is not smart enough, folding side
Formula is unreasonable, needs the technical issues of improving.
In order to solve the above technical problems, to provide a kind of environment-friendly type afforestation control of weeds multi-functional for the embodiment of the present invention
Operation facility, the carriage body including vehicle frame and on vehicle frame, the vehicle frame are equipped with front axle and rear axle, rotate and set on the front axle
There is front-wheel, rotation is equipped with rear-wheel on the rear axle, and the rear-wheel two sides are respectively equipped with one group of pedal-driven mechanism, and the pedal drives
Motivation structure includes the first gear that rotation is set on rear axle, and the first gear is fixed on rear-wheel side, passes through on the vehicle frame
First rotating shaft is rotatably connected to second gear, and the first gear engages second gear, and the vehicle frame is also rotatably connected to first
Crank, first crank include the first crank axle portion and the first crank bar portion, and the first crank axle portion is rotationally connected with vehicle
On frame, third gear is fixedly connected in the first crank axle portion, the second gear engages third gear, and described first is bent
The 4th gear is also arranged in arbor portion, the 4th gear is fixed on vehicle frame, and the first crank bar portion passes through the 5th turn
Axis is rotatably connected to the 5th gear, and the 4th gear engages the 5th gear, and the first crank bar portion is also rotatablely connected second
Crank, second crank include the second crank axle portion and the second crank bar portion, and the second crank axle portion is rotationally connected with the
In one crank bar portion, the 6th gear is fixed in the second crank axle portion, the 5th gear engages the 6th gear, described
The outer end of second crank bar portion, which rotates, is equipped with foot pedal, and the number of teeth of the 4th gear and the 6th gear is identical, and two groups of pedals drive
The angle of rotation of the first crank bar portion in motivation structure differs 180 °, the second crank bar portion in Liang Zu pedal-driven mechanism in the same direction and
It is horizontally disposed；
The vehicle frame is made of stainless steel, and the stainless steel contains by percentage to the quality, C:0.05%, Si:
3%, S:0.03%, P:0.002%, N:0.006%, Cr:3.6%, Ni:3.2-3.5%, Mo:2.5%, Mn:2.3%, Zn:
0.1%, Nb:0.15%, Al:0.05%, Ti:0.05%, Co:0.05%, Rh:0.025%, the iron of surplus and inevitably
Impurity.
The carriage body is equipped with door opener, and the door opener includes door body and the guide rail set on door body side, described
Guide rail is vertically arranged, and the guide rail upper end is rotatably equipped with the first partial gear, and first partial gear is fixedly connected
There are the first door body mounting plate, the first partial gear engagement second partial gear of connection, second partial gear
It is fixedly connected with first connecting rod, the first connecting rod is rotatablely connected second connecting rod, and one end of the second connecting rod is fixed with third
Partial gear, the guide rail are equipped with vertically arranged guide runner, successively slide and be provided with from top to bottom in the guide runner
First sliding block and the second sliding block, the third partial gear rotate on the first sliding block, and the third partial gear is also solid
Surely the second door body mounting plate is connected, also rotation is equipped with the 4th partial gear, the incomplete tooth of third on first sliding block
Wheel is engaged in the 4th partial gear, and the 4th partial gear is fixedly connected with third connecting rod, the outer end of the third connecting rod
It is rotatablely connected fourth link, one end of the fourth link is rotationally connected on the second sliding block, and one end of the fourth link is also
It is fixed with third door body mounting plate, is mounted on a door body on the first, second, third door body mounting plate, three
The door body is horizontally disposed, and first, second, third, fourth connecting rod is located at the side of guide runner, and described first, second, the
Three door body mounting plates are located at the other side of guide runner.
The advantageous effects of the above technical solutions of the present invention are as follows:
Door opener of the invention is reasonable in design, folding angle it is big, may also function as after unlatching keep off the rain, the function of sunshade
Effect has practicability.Pedal-driven mechanism structure of the invention is novel in design, eliminates traditional reel chain, structure obtains essence
Letter, topology layout is reasonable, has practicability.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the planar structure schematic diagram of pedal-driven mechanism of the invention.
Fig. 3 is the schematic perspective view of pedal-driven mechanism of the invention.
Fig. 4 is the partial perspective view of pedal-driven mechanism of the invention.
Fig. 5 is the part isometric exploded view of pedal-driven mechanism of the invention.
Fig. 6 is the movement locus schematic diagram of pedal-driven mechanism of the invention.
Fig. 7 is the perspective view of door opener of the invention.
Fig. 8 is the part isometric structure chart one of door opener of the invention.
Fig. 9 is the part isometric structure chart two of door opener of the invention.
Figure 10 is the part isometric structure chart three of door opener of the invention.
Figure 11 is the state change map of door opener of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
For convenience of description and explanation, right direction in Fig. 1 be entire mechanism before, front end, front, direction of advance, Fig. 1
In left direction be the rear of entire mechanism, rear end, rear portion, direction of retreat.
As shown in Figures 1 to 6, the embodiment of the present invention provides a kind of environment-friendly type afforestation control of weeds multi-function operation and sets
It applies, the carriage body 110 including vehicle frame 100 and on vehicle frame 100, the vehicle frame 100 is equipped with front axle 11 and rear axle 12, before described
Rotation is equipped with front-wheel 13 on axis 11, and rotation is equipped with rear-wheel 14 on the rear axle 12, and the bottom of the carriage body 110 can be according to practical need
Increase auxiliary wheel, 14 two sides of rear-wheel are respectively equipped with one group of pedal-driven mechanism 10, and the pedal-driven mechanism 10 includes
Rotation is set to the first gear 15 on rear axle 12, and the first gear 15 is fixed on 14 side of rear-wheel, passes through on the vehicle frame 100
First rotating shaft 16 is rotatably connected to second gear 17, and the first gear 15 engages second gear 17, and the vehicle frame 100 also rotates
It is connected with the first crank, first crank includes the first crank axle portion 18 and the first crank bar portion 19, first crank axle
Portion 18 is rotationally connected on vehicle frame 100, is fixedly connected with third gear 20, the second gear in the first crank axle portion 18
17 engage third gears 20, are also arranged with the 4th gear 21 in the first crank axle portion 18, the 4th gear 21 is fixed on
On vehicle frame 100, the first crank bar portion 19 is rotatably connected to the 5th gear 23, the 4th gear 21 by the 5th shaft 22
The 5th gear 23 is engaged, the first crank bar portion 19 is also rotatablely connected the second crank, and second crank includes the second crank
Axle portion 24 and the second crank bar portion 25, the second crank axle portion 24 are rotationally connected in the first crank bar portion 19, and described second
The 6th gear 26 is fixed in crank axle portion 24, the 5th gear 23 engages the 6th gear 26, the second crank bar portion
25 outer end rotation is equipped with foot pedal 27, and the 4th gear 21 is identical with the number of teeth of the 6th gear 26, two groups of pedal-driven machines
The angle of rotation of the first crank bar portion in structure 10 differs 180 °, the second crank bar portion in Liang Zu pedal-driven mechanism 10 in the same direction and
It is horizontally disposed.Since the number of teeth of the 4th gear and the 6th gear is identical, the second crank bar portion can keep initial always
State is horizontally disposed with.As shown in fig. 6, in the pedal-driven mechanism the first crank bar portion outer end motion profile such as circle a,
The running track of pedal such as circle b, therefore manpower pushes pedals can drive vehicle wheel rotation.
As shown in Fig. 1, Fig. 7 to Figure 11, the carriage body 110 is equipped with door opener 30, and the door opener 30 includes door
Body 46 and guide rail 31 set on 46 side of door body, the guide rail 31 is vertically arranged, and 31 upper end of guide rail is rotatably equipped with first
Partial gear 32, first partial gear 32 are fixedly connected with the first door body mounting plate 33, the first incomplete tooth
31 engagement the second partial gears 34 of connection of wheel, second partial gear 34 are fixedly connected with first connecting rod 35, and described first
Connecting rod 35 is rotatablely connected second connecting rod 36, and one end of the second connecting rod 36 is fixed with third partial gear 37, described to lead
Rail 31 is equipped with vertically arranged guide runner 38, successively slides from top to bottom in the guide runner 38 and is provided with 39 He of the first sliding block
Second sliding block 40, the third partial gear 37 rotate on the first sliding block 39, and the third partial gear 37 is also fixed
The second door body mounting plate 41 is connected, also rotation is equipped with the 4th partial gear 42 on first sliding block 39, and the third is endless
All gear 37 is engaged in the 4th partial gear 42, and the 4th partial gear 42 is fixedly connected with third connecting rod 43, and described
The outer end of three-link 43 is rotatablely connected fourth link 44, and one end of the fourth link 44 is rotationally connected on the second sliding block 40,
One end of the fourth link 44 is also fixed with third door body mounting plate 45, on the first, second, third door body mounting plate
It is mounted on a door body 46, three door body 46 are horizontally disposed, and first, second, third, fourth connecting rod, which is located at, leads
The side of sliding slot 38, the first, second, third door body mounting plate are located at the other side of guide runner 38, described first, second,
The gear teeth of third partial gear are all identical.When the second sliding block is located below position, three door body are located at vertical direction
On, entire carriage body is in close state, when needing to open, by drive the second sliding block upward sliding, first, second, third
Door body mounting plate synchronizes outside fold, drives the movement of three door body respectively, second, third door body mounting plate also simultaneously with sliding block to
Upper movement, last three door body are brought to the top of carriage body, and turn down outward, the similar rain-proof shed structure of formation, and carriage body
The open area that opens the door is big, and the structure of three door body designs and do not need to occupy big space when so that turning down, and facilitates operation.The compartment
Control of weeds power tool, such as device for administration of drugs can be equipped in body.
The vehicle frame 100 is made of stainless steel, and the stainless steel contains by percentage to the quality, C:0.05%, Si:
3%, S:0.03%, P:0.002%, N:0.006%, Cr:3.6%, Ni:3.2-3.5%, Mo:2.5%, Mn:2.3%, Zn:
0.1%, Nb:0.15%, Al:0.05%, Ti:0.05%, Co:0.05%, Rh:0.025%, the iron of surplus and inevitably
Impurity.By reasonably controlling the type and content of element in stainless steel, the appearance of local corrosion is prevented, has solved corruption
The problem of losing cracking, spot corrosion, intercrystalline corrosion, corrosion fatigue and crevice corrosion, obtained stainless steel can be with resistance to high acid
Caustic corrosion.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of environment-friendly type afforestation control of weeds multi-function operation facility, the carriage body including vehicle frame and on vehicle frame, institute
It states vehicle frame and is equipped with front axle and rear axle, rotation is equipped with front-wheel on the front axle, and rotation is equipped with rear-wheel on the rear axle, and feature exists
In the rear-wheel two sides are respectively equipped with one group of pedal-driven mechanism, and the pedal-driven mechanism includes that rotation is set on rear axle
First gear, the first gear are fixed on rear-wheel side, are rotatably connected to second gear by first rotating shaft on the vehicle frame,
The first gear engages second gear, and the vehicle frame is also rotatably connected to the first crank, and first crank includes first bent
Arbor portion and the first crank bar portion, the first crank axle portion are rotationally connected on vehicle frame, fixed in the first crank axle portion
It is connected with third gear, the second gear engages third gear, is also arranged with the 4th gear, institute in the first crank axle portion
The 4th gear to be stated to be fixed on vehicle frame, the first crank bar portion is rotatably connected to the 5th gear by the 5th shaft, and described
Four gears engage the 5th gear, and the first crank bar portion is also rotatablely connected the second crank, and second crank includes second bent
Arbor portion and the second crank bar portion, the second crank axle portion are rotationally connected in the first crank bar portion, second crank axle
The 6th gear is fixed in portion, the 5th gear engages the 6th gear, and the outer end rotation of the second crank bar portion is equipped with
The number of teeth of foot pedal, the 4th gear and the 6th gear is identical, and the first crank bar portion in Liang Zu pedal-driven mechanism turns
Dynamic angle differs 180 °, and the second crank bar portion in Liang Zu pedal-driven mechanism is in the same direction and horizontally disposed；
The vehicle frame is made of stainless steel, and the stainless steel contains by percentage to the quality, C:0.05%, Si:3%, S:
0.03%, P:0.002%, N:0.006%, Cr:3.6%, Ni:3.2-3.5%, Mo:2.5%, Mn:2.3%, Zn:0.1%,
Nb:0.15%, Al:0.05%, Ti:0.05%, Co:0.05%, Rh:0.025%, the iron of surplus and inevitable impurity.
2. carriage body according to claim 1, which is characterized in that the carriage body is equipped with door opener, the door opener
Guide rail including door body and set on door body side, the guide rail is vertically arranged, and it is endless that the guide rail upper end is rotatably equipped with first
All gear, first partial gear are fixedly connected with the first door body mounting plate, the first partial gear engagement connection
Second partial gear, second partial gear are fixedly connected with first connecting rod, and the first connecting rod rotation connection second connects
Bar, one end of the second connecting rod are fixed with third partial gear, and the guide rail is equipped with vertically arranged guide runner, institute
State in guide runner from top to bottom that successively sliding is provided with the first sliding block and the second sliding block, the third partial gear rotates in the
On one sliding block, the third partial gear is also fixedly connected with the second door body mounting plate, and also rotation is equipped on first sliding block
4th partial gear, the third partial gear are engaged in the 4th partial gear, and the 4th partial gear is fixed
Third connecting rod is connected, the outer end of the third connecting rod is rotatablely connected fourth link, and one end of the fourth link is rotationally connected with
On second sliding block, one end of the fourth link is also fixed with third door body mounting plate, first, second, third door body
A door body is mounted on mounting plate, three door body are horizontally disposed, first, second, third, fourth connecting rod position
In the side of guide runner, the first, second, third door body mounting plate is located at the other side of guide runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080717.6A CN109430230A (en) | 2018-09-17 | 2018-09-17 | A kind of environment-friendly type afforestation control of weeds multi-function operation facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080717.6A CN109430230A (en) | 2018-09-17 | 2018-09-17 | A kind of environment-friendly type afforestation control of weeds multi-function operation facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109430230A true CN109430230A (en) | 2019-03-08 |
Family
ID=65530304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080717.6A Pending CN109430230A (en) | 2018-09-17 | 2018-09-17 | A kind of environment-friendly type afforestation control of weeds multi-function operation facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109430230A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87105731A (en) * | 1987-08-19 | 1988-03-09 | 王兆兴 | Tooth bar pedal type before driving bicycle |
| US5002296A (en) * | 1990-04-23 | 1991-03-26 | Chiu Ying Tung | Driving device for bicycle |
| CN2792923Y (en) * | 2005-05-31 | 2006-07-05 | 王保跃 | Bicycle |
| CN200992940Y (en) * | 2006-12-28 | 2007-12-19 | 从华山 | Multifunctional liftable safety anti-theft shutter |
| CN203361830U (en) * | 2013-07-02 | 2013-12-25 | 特威盾门业(苏州)有限公司 | Lifting folding door or window convenient to open and close |
| CN204316909U (en) * | 2015-01-27 | 2015-05-06 | 浙江东明电气有限公司 | Streetlight control box |
| CN205998092U (en) * | 2016-08-31 | 2017-03-08 | 张亮 | One kind no chain drive axle-free bicycle |
| CN207305406U (en) * | 2017-10-27 | 2018-05-04 | 姜萌 | A kind of new city bicycles formula weeder |
-
2018
- 2018-09-17 CN CN201811080717.6A patent/CN109430230A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87105731A (en) * | 1987-08-19 | 1988-03-09 | 王兆兴 | Tooth bar pedal type before driving bicycle |
| US5002296A (en) * | 1990-04-23 | 1991-03-26 | Chiu Ying Tung | Driving device for bicycle |
| CN2792923Y (en) * | 2005-05-31 | 2006-07-05 | 王保跃 | Bicycle |
| CN200992940Y (en) * | 2006-12-28 | 2007-12-19 | 从华山 | Multifunctional liftable safety anti-theft shutter |
| CN203361830U (en) * | 2013-07-02 | 2013-12-25 | 特威盾门业(苏州)有限公司 | Lifting folding door or window convenient to open and close |
| CN204316909U (en) * | 2015-01-27 | 2015-05-06 | 浙江东明电气有限公司 | Streetlight control box |
| CN205998092U (en) * | 2016-08-31 | 2017-03-08 | 张亮 | One kind no chain drive axle-free bicycle |
| CN207305406U (en) * | 2017-10-27 | 2018-05-04 | 姜萌 | A kind of new city bicycles formula weeder |
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