CN114872775B - Folding device based on transportation - Google Patents
Folding device based on transportation Download PDFInfo
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- CN114872775B CN114872775B CN202210461250.XA CN202210461250A CN114872775B CN 114872775 B CN114872775 B CN 114872775B CN 202210461250 A CN202210461250 A CN 202210461250A CN 114872775 B CN114872775 B CN 114872775B
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- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 230000008878 coupling Effects 0.000 abstract description 13
- 238000010168 coupling process Methods 0.000 abstract description 13
- 238000005859 coupling reaction Methods 0.000 abstract description 13
- 230000009194 climbing Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The utility model relates to a folding device based on transportation, include, first coupling assembling, runner assembly and second coupling assembling, first coupling assembling rotates with the runner assembly to be connected, second coupling assembling is connected with the runner assembly, be connected with the connecting plate through first coupling assembling, the connecting plate rotates with slewing mechanism to be connected, handle and slewing mechanism flexonics, the connecting plate is located between slewing mechanism and the handle, and the handle is used for beginning to rotate between control connection plate and the slewing mechanism and finishes rotating, so that the connecting plate drives first coupling assembling and rotates the target angle around slewing mechanism, thereby realized that the expansion and the rigidity that handling tool can adjust arbitrary angle, and carry out angle regulation's the problem of expansion size according to user's height or the climbing condition, provide very big convenience for the user.
Description
Technical Field
The application relates to the field of transportation equipment, in particular to a folding device based on transportation.
Background
At present, in fields such as commodity circulation transport, emergency rescue and individual soldier equipment, all need carry corresponding material, and the instrument of carrying material is wooden handcart, trailer etc. usually, and when the material of transport was in rugged and complicated topography such as dense woods, mountain region, the instrument such as wooden handcart, trailer is difficult to pass through these areas, and these instrument overall structure are the rigidity, occupy great space, and unable folding accomodating has brought very big inconvenience for carrying the material. Therefore, the folding scheme that has appeared transport such as folding car and folding mechanism is mostly the rigidity folding locking, divide into and expand and lock two fixed positions, realizes through modes such as hasp, round pin axle that expand and folding rigidity is fixed, but these folding handling tool can not adjust the expansion and the rigidity of arbitrary angle, lead to being difficult to carry out angle regulation's expansion size according to user's height or climbing condition.
Disclosure of Invention
The application provides a folding device based on transportation to solve the expansion and the rigidity that handling tool can not adjust arbitrary angle, lead to being difficult to carry out angle regulation's the problem of expansion size according to user's height or climbing condition.
The application provides a folding device based on transportation includes: the device comprises a first connecting assembly, a rotating assembly and a second connecting assembly, wherein the first connecting assembly is rotatably connected with the rotating assembly, and the second connecting assembly is connected with the rotating assembly;
the rotating assembly comprises a connecting plate, a rotating mechanism and a handle, the first connecting assembly is connected with the connecting plate, the connecting plate is rotatably connected with the rotating mechanism, the handle is flexibly connected with the rotating mechanism, the connecting plate is located between the rotating mechanism and the handle, and the handle is used for controlling the connecting plate and the rotating mechanism to start rotating and finish rotating so that the connecting plate drives the first connecting assembly to rotate around the rotating mechanism by a target angle.
Optionally, the rotating mechanism comprises a housing and a locking unit, the locking unit being disposed in the housing;
the locking unit includes axis of rotation, first retaining member and second retaining member, the both ends of axis of rotation rotate the setting respectively first retaining member with the second retaining member, the connecting plate respectively with first retaining member with the second retaining member is connected, the pivot is passed the connecting plate with the handle is connected.
Optionally, the locking unit takes a center line perpendicular to the axial direction of the rotating shaft as a symmetry axis.
Optionally, the locking unit still includes first otic placode and first mounting, be equipped with first holding tank on the first otic placode, first retaining member rotate set up in the first holding tank, first mounting set up in on the first retaining member, the connecting plate is fixed in on the first mounting, the axis of rotation passes first holding tank first retaining member and the connecting plate and with the handle is connected, rotates the handle orders about first retaining member with first holding tank unblock, so that the connecting plate with first retaining member rotates.
Optionally, the rotating mechanism further comprises a first buffering mechanism and a second buffering mechanism, and the first buffering mechanism and the second buffering mechanism are arranged between the first locking member and the second locking member at intervals.
Optionally, the first buffer mechanism includes a base, a base shaft and a first buffer block, the base and the first buffer block are disposed at two ends of the base shaft, and two ends of the base shaft are respectively connected to the first locking member and the second locking member.
Optionally, the second buffer mechanism comprises a second buffer block and a buffer shaft, the second buffer block is arranged on the buffer shaft, and the buffer shaft is arranged between the first locking member and the second locking member.
Optionally, the first connecting assembly includes a plurality of first connecting rods, a first connecting mechanism, and a first fixing member, the plurality of first connecting rods are disposed between the first connecting mechanism and the first fixing member, and the first fixing member is connected to the connecting plate.
Optionally, the first connecting mechanism includes a connecting block, a first fixing plate and a second fixing plate, the connecting block is disposed in a central region of the first fixing plate, the first fixing plate and the second fixing plate are disposed at an interval, a plurality of fixing holes are disposed in edge regions of the first fixing plate and the second fixing plate, and the plurality of first connecting rods pass through the plurality of fixing holes of the second fixing plate and are fixed to the plurality of fixing holes of the first fixing plate.
Optionally, the second connecting assembly includes a plurality of second connecting rods and a plurality of second fixing pieces, the plurality of second fixing pieces are disposed at two ends of the plurality of second connecting rods, wherein one end of the plurality of second connecting rods is connected to the rotating mechanism via the plurality of second fixing pieces.
This application passes through first connecting element with the connecting plate is connected, the connecting plate with slewing mechanism rotates to be connected, the handle with slewing mechanism flexible connection, the connecting plate is located slewing mechanism with between the handle, just the handle is used for control the connecting plate with begin to rotate between the slewing mechanism and end the rotation, so that the connecting plate drives first connecting element centers on slewing mechanism rotation target angle to realized that the vehicle can adjust the expansion and the rigidity of arbitrary angle, and carried out angle regulation's the problem of expansion size according to user's height or the climbing condition, provided very big convenience for the user.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic view of a transportation-based folding apparatus provided in an embodiment of the present application;
fig. 2 is a schematic folding view of a transportation-based folding device according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of the rotating assembly in a transport-based folding apparatus as provided in FIG. 2;
FIG. 4 is a detailed schematic view of a rotating assembly of a transport-based folding apparatus according to an embodiment of the present disclosure;
fig. 5 is a detailed view of another angle of a rotating assembly of a transportation-based folding device according to an embodiment of the present disclosure.
The names and designations of the major components are as follows:
the first connecting assembly 10, the first connecting rod 11, the first connecting mechanism 12, the first connecting piece 13, the connecting block 123, the first fixing plate 121 and the second fixing plate 122;
the rotating assembly 20, the connecting plate 21, the rotating mechanism 22, the handle 23, the housing 221, the locking unit 222, the rotating shaft 2221, the first locking member 2222, the third locking member 2223, the first ear plate 2224, the first fixing member 2224, the first receiving groove 2226, the first buffering mechanism 223, the second buffering mechanism 224, the base 2231, the base shaft 2232, the first buffering block 2233, the second buffering block 2241, and the buffering shaft 2242;
a second connecting assembly 30, a second connecting rod 31 and a second fixing member 32.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and fig. 2, the folding device based on transportation that this application provided includes, first coupling assembling 10, runner assembly 20 and second coupling assembling 30, first coupling assembling 10 with runner assembly 20 rotates to be connected, second coupling assembling 30 with runner assembly 20 connects, runner assembly 20 includes connecting plate 21, slewing mechanism 22 and handle 23, first coupling assembling 10 with connecting plate 21 is connected, connecting plate 21 with slewing mechanism 22 rotates to be connected, handle 23 with slewing mechanism 22 flexible coupling, connecting plate 21 is located slewing mechanism 22 with between the handle 23, just handle 23 is used for control connecting plate 21 with begin to rotate between slewing mechanism 22 and end to rotate, so that connecting plate 21 drives first coupling assembling 10 centers on slewing mechanism 22 rotates the target angle. Thereby realized that handling tool can adjust the expansion and the rigidity of arbitrary angle, and carried out angle regulation's the problem of expansion size according to user's height or climbing condition, provided very big convenience for the user.
It should be noted that, when the device needs to be folded, the first connecting assembly 10 is controlled to rotate around the rotating assembly 20 and face the second connecting assembly 30, that is, the handle 23 needs to be rotated, so that the connecting plate 21 starts to rotate around the rotating mechanism 22 and drives the first connecting assembly 10, and the angle between the second connecting assembly 30 and the first connecting assembly 10 is adjusted at will, when the handle 23 is stopped from rotating, the connecting plate 21 is fixed on the rotating mechanism 22, and the connecting plate 21 cannot rotate around the rotating mechanism 22, so that the angle between the second connecting assembly 30 and the first connecting assembly 10 cannot be changed, that is, the folding, unfolding, rotating and locking functions between the second connecting assembly 30 and the first connecting assembly 10 are realized, and the device is convenient to transport anywhere. The connecting plate 21 is in a C shape, the whole connecting plate 21 is formed by bending metal, the inner walls of two sides of the connecting plate 21 are rotatably connected with two sides of the rotating mechanism 22, the handles 23 are mounted on the outer walls of two sides of the connecting plate 21, and the rotating direction prompt of the handles 23 is printed on the handles 23.
As shown in fig. 3 to 5, in one embodiment, the rotating mechanism 22 includes a housing 221 and a locking unit 222, the locking unit 222 is disposed in the housing 221, the locking unit 222 includes a rotating shaft 2221, a first locking member 2222 and a third locking member 2223, two ends of the rotating shaft 2221 are respectively rotatably disposed on the first locking member 2222 and the third locking member 2223, the connecting plates 21 are respectively connected to the first locking member 2222 and the third locking member 2223, and the rotating shaft passes through the connecting plates 21 and is connected to the handle 23. Alternatively, the locking unit 222 has a center line perpendicular to the axial direction of the rotating shaft 2221 as a symmetry axis. Alternatively, the first locking member 2222 and the third locking member 2223 have the same structure as each other, with a center line perpendicular to the axial direction of the rotating shaft 2221 as a symmetry axis. Specifically, the rotation of the rotating shaft 2221 is controlled by the handle, so that the first locking member 2222 and the third locking member 2223 are driven to rotate from the locking state to the unlocking state, the connecting plate 21 is driven to rotate, the first connecting assembly 10 is driven to rotate, the angle adjusting function is realized, when the handle is stopped to rotate, the rotating shaft 2221 stops rotating, the first locking member 2222 and the third locking member 2223 are restored to the original positions, the first locking member 2222 and the third locking member 2223 are driven to rotate from the unlocking state to the locking state, the folding between the second connecting assembly 30 and the first connecting assembly 10 is kept unchanged, and the locking function is realized.
In one embodiment, the locking unit 222 further includes a first ear plate 2224 and a first fixing member 2224, the first ear plate 2224 is provided with a first receiving groove 2226, the first locking member 2222 is rotatably disposed in the first receiving groove 2226, the first fixing member 2224 is disposed on the first locking member 2222, the connecting plate 21 is fixed on the first fixing member 2224, the rotating shaft 2221 passes through the first receiving groove 2226, the first locking member 2222, the first fixing member 2224 and the connecting plate 21 and is connected to the handle 23, and rotating the handle 23 unlocks the first locking member 2222 from the first receiving groove 2226, so that the connecting plate 21 and the first locking member 2222 rotate. The rotating shaft 2221 is controlled to rotate by the handle so as to drive the first locking member 2222 and the third locking member 2223 to be converted from the locking state to the unlocking state, that is, the handle 23 actuates the first locking member 2222 to be unlocked from the first receiving groove 2226, so that the connecting plate 21 and the first locking member 2222 rotate, when the handle stops rotating, the position between the first locking member 2222 and the third locking member 2223 is restored to the original position, and the position between the first locking member 2222 and the third locking member 2223 is converted from the unlocking state to the locking state, that is, the first locking member 2222 is locked in the first receiving groove 2226.
Optionally, the first locking member 2222 and the third locking member 2223 are internally provided with a gear structure, and the rotating shaft 2221 of the handle 23 drives the inner ring to rotate and unlock, so that the protruding surface of the locking unit 222 and the spring surface can rotate relatively, that is, the first ear plate 2224 and the first fixing member 2224 can rotate relatively, and further the C-shaped connecting plate 21 and the housing 221 can rotate relatively, and finally the first connecting assembly 10 and the second connecting assembly 30 can rotate relatively, so that the folding mechanism has a folding function; after the handle 23 stops rotating, the spring outside the locking unit 222 drives the internal gear to reset, so that the boss surface and the spring surface are matched and clamped, and the folding mechanism is locked.
In one embodiment, the rotating mechanism 22 further includes a first buffering mechanism 223 and a second buffering mechanism 224, and the first buffering mechanism 223 and the second buffering mechanism 224 are spaced between the first locking member 2222 and the third locking member 2223. The first connecting assembly 10 rotates around the rotating assembly 20 through the first buffer mechanism 223 and the second buffer mechanism 224 and has the functions of shock absorption and buffer in the working state facing the second connecting assembly 30, and the comfort level can be obviously improved when a person uses the connecting assembly.
As shown in fig. 5, in one embodiment, the first buffering mechanism 223 includes a base 2231, a base shaft 2232, and a first buffering block 2233, wherein the base 2231 and the first buffering block 2233 are disposed at two ends of the base shaft 2232, and two ends of the base shaft 2232 are connected to the first locking member 2222 and the third locking member 2223, respectively. Optionally, the second buffering mechanism 224 includes a second buffering block 2241 and a buffering shaft 2242, the second buffering block 2241 is disposed on the buffering shaft 2242, the buffering shaft 2242 is disposed between the first locking member 2222 and the third locking member 2223. Through setting up first buffer gear 223 and second buffer gear 224 in casing 221, base 2231 is equipped with the screw hole, it is fixed with casing 221 through the screw, base 2231 is arranged along base axle 2232 symmetry, first buffer block 2233 is elasticity combined material, but the atress produces deformation, external force has cushioning effect, base axle 2232 is the step shaft, first buffer block 2233 has been strikeed on the base axle 2232, first buffer block 2233 one side and first retaining member 2222 fixed connection, the both sides of second buffer block 2241 and third retaining member 2223's both sides fixed connection.
As shown in fig. 1 and 2, in one embodiment, the first connecting assembly 10 includes a plurality of first connecting rods 11, a first connecting mechanism 12, and a first connecting member 13, the plurality of first connecting rods 11 are disposed between the first connecting mechanism 12 and the first connecting member 13, and the first connecting member 13 is connected to the connecting plate 21. Optionally, the first connecting mechanism 12 includes a connecting block 123, a first fixing plate 121 and a second fixing plate 122, the connecting block 123 is disposed in a central region of the first fixing plate 121, the first fixing plate 121 and the second fixing plate 122 are disposed at intervals, a plurality of fixing holes corresponding to one another are disposed in edge regions of the first fixing plate 121 and the second fixing plate 122, and the plurality of first connecting rods 11 pass through the plurality of fixing holes of the second fixing plate 122 and are fixed to the plurality of fixing holes of the first fixing plate 121. Specifically, one end of the first connecting assembly 10 is connected to the load transportation equipment or the person traction part, the other end of the first connecting assembly 10 is connected to the connecting plate 21, the plurality of first connecting rods 11 are hollow pipes which are bent in space and form a space structure, wires can be routed inside the hollow pipes, the first fixing plate 121 and the second fixing plate 122 are formed by welding two hollow pipes, the first fixing plate and the second fixing plate have high stability, through holes are formed in the two ends of the hollow pipes, power and signal wires can pass through the through holes, mounting holes are formed in the upper ends of the hollow pipes, an electric connector plug and socket can be mounted, and the connecting block 123 can be connected to the transportation equipment or the person traction part.
In one embodiment, the second connecting assembly 30 includes a plurality of second connecting rods 31 and a plurality of second fixing members 32, the plurality of second fixing members 32 are disposed at two ends of the plurality of second connecting rods 31, wherein one end of the plurality of second connecting rods 31 is connected to the plurality of second fixing members 32 and the rotating mechanism 22. The hollow pipes of the second connecting rods 31 are formed into a space curved surface by three pipes, are pocket-shaped, enlarge the bearing surface, can place objects, are convenient for wiring in the hollow part, are provided with holes at the other ends of the second fixing parts 32, can be fixed with a rear vehicle body or other devices, and can meet the structural appearance of the second connecting rods 31 when the whole body is folded, so that the first connecting component 10 is folded downwards to be identical with the second connecting rods 31, the space is saved, and the storage is convenient.
It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A transport-based folding device, comprising: the device comprises a first connecting assembly, a rotating assembly and a second connecting assembly, wherein the first connecting assembly is rotatably connected with the rotating assembly, and the second connecting assembly is connected with the rotating assembly;
the rotating assembly comprises a connecting plate, a rotating mechanism and a handle, the first connecting assembly is connected with the connecting plate, the connecting plate is rotatably connected with the rotating mechanism, the handle is flexibly connected with the rotating mechanism, the connecting plate is located between the rotating mechanism and the handle, and the handle is used for controlling the connecting plate and the rotating mechanism to start rotating and finish rotating so that the connecting plate drives the first connecting assembly to rotate around the rotating mechanism for a target angle.
2. The transport-based folding device of claim 1, wherein said rotating mechanism includes a housing and a locking unit, said locking unit disposed within said housing;
the locking unit includes axis of rotation, first retaining member and second retaining member, the both ends of axis of rotation rotate the setting respectively first retaining member with the second retaining member, the connecting plate respectively with first retaining member with the second retaining member is connected, the axis of rotation passes the connecting plate with the handle is connected.
3. The transportation-based folding apparatus of claim 2, wherein the locking unit has a center line perpendicular to an axial direction of the rotation shaft as a symmetry axis.
4. The transportation-based folding device of claim 3, wherein the locking unit further comprises a first ear plate and a first fixing member, the first ear plate has a first receiving slot, the first locking member is rotatably disposed in the first receiving slot, the first fixing member is disposed on the first locking member, the connecting plate is fixed on the first fixing member, the rotating shaft passes through the first receiving slot, the first locking member, the first fixing member and the connecting plate and is connected to the handle, and rotating the handle causes the first locking member to be unlocked from the first receiving slot, so that the connecting plate rotates with the first locking member.
5. The transport-based folding device of claim 2 wherein said rotating mechanism further comprises a first cushioning mechanism and a second cushioning mechanism, said first cushioning mechanism and said second cushioning mechanism being spaced between said first retaining member and said second retaining member.
6. The transport-based folding device of claim 5, wherein said first buffer mechanism comprises a base, a base shaft, and a first buffer block, said base and said first buffer block being disposed at both ends of said base shaft, and both ends of said base shaft being connected to said first locking member and said second locking member, respectively.
7. The transport-based folding device of claim 5 wherein said second buffer mechanism includes a second buffer block and a buffer shaft, said second buffer block disposed on said buffer shaft, said buffer shaft disposed between said first retaining member and said second retaining member.
8. The transport-based folding device of claim 1, wherein the first linkage assembly includes a plurality of first linkage rods disposed between the first linkage mechanisms and first fixtures, the first fixtures connecting the linkage plates.
9. The folding apparatus based on transportation of claim 8, wherein the first connecting mechanism comprises a connecting block, a first fixing plate and a second fixing plate, the connecting block is disposed at a central region of the first fixing plate, the first fixing plate and the second fixing plate are spaced apart, a plurality of fixing holes are disposed at edge regions of the first fixing plate and the second fixing plate in a one-to-one correspondence, and the plurality of first connecting rods pass through the plurality of fixing holes of the second fixing plate and are fixed at the plurality of fixing holes of the first fixing plate.
10. The transport-based folding apparatus of claim 1, wherein the second connection assembly comprises a plurality of second connection bars and a plurality of second fasteners disposed on both ends of the plurality of second connection bars, wherein one end of the plurality of second connection bars is connected to the rotating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210461250.XA CN114872775B (en) | 2022-04-28 | 2022-04-28 | Folding device based on transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210461250.XA CN114872775B (en) | 2022-04-28 | 2022-04-28 | Folding device based on transportation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114872775A CN114872775A (en) | 2022-08-09 |
| CN114872775B true CN114872775B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210461250.XA Active CN114872775B (en) | 2022-04-28 | 2022-04-28 | Folding device based on transportation |
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| CN (1) | CN114872775B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107428356A (en) * | 2015-02-10 | 2017-12-01 | 奥斯特伦宝贝公司 | Perambulator with the second vehicle seat |
| US20180186424A1 (en) * | 2017-01-05 | 2018-07-05 | EcoReco Global Corporation | Folding lock mechanism |
| CN208779089U (en) * | 2018-09-18 | 2019-04-23 | 智卓（深圳）电子科技有限公司 | Hand-held holder |
| CN113734249A (en) * | 2021-09-30 | 2021-12-03 | 浙江师范大学 | Dual-purpose trailer for standing and prone positions |
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2022
- 2022-04-28 CN CN202210461250.XA patent/CN114872775B/en active Active
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| CN114872775A (en) | 2022-08-09 |
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