CN217227618U - Foldable gathering trailer - Google Patents
Foldable gathering trailer Download PDFInfo
- Publication number
- CN217227618U CN217227618U CN202221168593.9U CN202221168593U CN217227618U CN 217227618 U CN217227618 U CN 217227618U CN 202221168593 U CN202221168593 U CN 202221168593U CN 217227618 U CN217227618 U CN 217227618U
- Authority
- CN
- China
- Prior art keywords
- wheel
- trailer
- seat
- brake
- orienting
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000009471 action Effects 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Handcart (AREA)
Abstract
The utility model discloses a foldable and gathered trailer, which comprises a frame main body with an unfolding state and a folding state and a wheel assembly which can be quickly disassembled and installed at the bottom of the frame main body; the frame body comprises a basket body structure consisting of a front surrounding wall, a rear surrounding wall, a left surrounding wall, a right surrounding wall and an underframe, and a pull rod assembly arranged in front of the basket body; the wheel assembly comprises wheel forks, wheels arranged between the wheel forks, a brake mechanism arranged on the wheel forks and an orientation mechanism arranged above the wheel forks; still include lift table and lift sunshade, install in frame main part top. The utility model discloses can conveniently switch fast between packing up the state and expanding the state, the structure is pleasing to the eye, and it is small after folding up, and space occupancy is low, and it is more convenient to carry the transportation and compare the not folding handcart of tradition.
Description
Technical Field
The utility model relates to a trailer technical field, concretely relates to collapsible trailer of gathering together.
Background
Present traditional trailer structure carries out fixed mounting through modes such as welding or screw nut mostly, and is not foldable, dismantles and need utilize the instrument, deposits and all occupies great space, and the assembling process is complicated, and it is inconvenient to use more, also is not favorable to carrying or the production management in places such as workshop.
SUMMERY OF THE UTILITY MODEL
The utility model provides a collapsible trailer that gathers together has solved traditional trailer effectively and can not fold, is unfavorable for carrying the problem of management.
In order to achieve the above object, the utility model adopts the following technical scheme:
a foldable trailer comprises a frame main body with an unfolded state and a folded state and a wheel assembly which can be quickly disassembled and installed at the bottom of the frame main body;
the frame body comprises a basket body structure consisting of a front surrounding wall, a rear surrounding wall, a left surrounding wall, a right surrounding wall and an underframe, and a pull rod assembly arranged in front of the basket body;
the wheel assembly comprises wheel forks, wheels arranged between the wheel forks, a brake mechanism arranged on the wheel forks and an orientation mechanism arranged above the wheel forks.
Preferably, the front wall and the rear wall comprise two vertical pipes, two fork pipes and two front and rear horizontal pipes, the two front and rear horizontal pipes are hinged through a hinged connector, the front and rear horizontal pipes are hinged with the vertical pipes through upper supports, the upper ends of the fork pipes are connected with the front and rear horizontal pipes through fork pipe connectors, and the lower ends of the fork pipes are connected with the vertical pipes through lower supports.
Preferably, the two fork pipe joints are respectively arranged on two sides of the hinged joint and are riveted with the front horizontal pipe and the rear horizontal pipe through rivets.
Preferably, the left surrounding wall and the right surrounding wall both comprise two side horizontal pipes and a plurality of link mechanisms, the upper end of one side of each link mechanism is hinged with the upper support through the side horizontal pipes, and the lower end of each link mechanism is hinged with the lower support.
Preferably, the link mechanism comprises a plurality of link units connected through side pipe joints, each side pipe joint comprises a joint seat, two rotating points are arranged on each joint seat, two ends of each joint seat are provided with limiting blocking points, and each limiting blocking point is an arc-shaped surface matched with the corresponding link.
Preferably, the orienting mechanism comprises an orienting seat, a universal seat and an orienting shaft, an orienting hole is formed in the wheel fork, the wheel fork is connected with the vertical pipe through the universal seat, the orienting seat and the lower support are sleeved on the lower portion of the outer side of the vertical pipe, the lower portion of the orienting seat is connected with the orienting shaft, and the orienting shaft penetrates through the lower support downwards and can be inserted into the orienting hole or separated from the orienting hole under the action of external force.
Preferably, the brake mechanism comprises a brake base slidably mounted on the wheel fork and a brake pin mounted in the brake base, a pedal is arranged outside the brake base, a brake gear is arranged in the center of the wheel, and the brake base can drive the brake pin to move linearly up and down along the wheel fork under the action of external force so as to be separated from a tooth groove of the brake gear or enter the tooth groove of the brake gear.
Preferably, the lifting table plate comprises a table plate assembly and a table cross rod, the table plate assembly is fixed on the table cross rod through a fixing piece, and the table cross rod is installed above the frame main body through a telescopic assembly.
As the optimization of above-mentioned scheme, still include lift sunshade, lift sunshade includes sunshade cloth, sunshade pole setting, and the sunshade cloth is installed on the sunshade pole setting, and the sunshade pole setting passes through flexible subassembly to be installed in frame main part top.
Due to the structure, the beneficial effects of the utility model reside in that:
1. the utility model discloses a trailer can conveniently switch between the state of packing up and expanding fast, and the structure is pleasing to the eye, and is small after folding up, and the space occupancy is low, and it is more convenient to carry the transportation than traditional non-folding handcart, in addition all has good stability under arbitrary state;
2. the steering mechanism has a steering function, and the steering mechanism can lock or unlock the steering shaft and the steering hole by pressing down or lifting up the steering seat, so that the steering state of the front wheel and the universal motion state can be switched, and the steering effect is stable;
3. the brake mechanism has a brake function, and the brake mechanism can drive the brake pin to move linearly up and down in the brake pin sliding groove of the steering wheel fork by pressing or lifting the brake seat, so that the brake pin is separated from the tooth groove of the brake gear or enters the tooth groove of the brake gear, and the trailer can normally move or stop parking, so that the use is safe and reliable;
4. the additional lift table and the lift sunshade for the trailer is more comfortable, convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention in an expanded state;
fig. 2 is a schematic structural view of the present invention in a folded state according to an embodiment of the present invention;
fig. 3 and 4 are schematic structural views of a frame main body according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an open state of a front wall or a rear wall according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a front wall or a rear wall of the present invention in a folded state;
fig. 7 is a schematic structural diagram of an open state of a left enclosure wall or a right enclosure wall according to an embodiment of the present invention;
fig. 8 is a schematic structural view illustrating a folded state of a left leg or a right leg according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a side pipe joint according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a bottom fork base according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a pull rod seat according to an embodiment of the present invention;
FIG. 12 is a schematic view of a positioning mechanism according to an embodiment of the present invention;
FIG. 13 is a schematic view of the orientation mechanism of FIG. 12 with the front riser and orientation cup omitted;
fig. 14 is a schematic structural view of a brake mechanism according to an embodiment of the present invention;
FIG. 15 is a schematic structural view of the brake mechanism of FIG. 14 with the brake holder omitted;
fig. 16 is a schematic structural view of a second embodiment of the present invention;
fig. 17 is a schematic structural view of a second connector according to an embodiment of the present invention;
fig. 18 is a schematic structural diagram of a third embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 15, the present embodiment provides a foldable and collapsible trailer, which includes a frame body having an unfolded state and a folded state, and a wheel assembly detachably mounted on the bottom of the frame body;
the frame body (shown in figure 1) comprises a basket body structure consisting of a front surrounding wall 1, a rear surrounding wall 2, a left surrounding wall 3, a right surrounding wall 4 and an underframe 5, and a pull rod 6 arranged in front of the basket body, wherein a box body is arranged in the basket body structure; the wheel assembly comprises wheel forks 7, wheels 8 arranged between the wheel forks 7, a brake mechanism 9 arranged on the wheel forks 7 and an orientation mechanism 10 arranged above the wheel forks 7.
Wherein:
the front wall 1 and the rear wall 2 (see fig. 3 and 4) both comprise two vertical pipes 11, two fork pipes 12 and two front and rear horizontal pipes 13, the two front and rear horizontal pipes 13 are hinged through a hinged connector 14, the front and rear horizontal pipes 13 are hinged with the vertical pipes 11 through an upper support 15, the upper ends of the fork pipes 12 are connected with the front and rear horizontal pipes 13 through a fork pipe connector 17, and the lower ends of the fork pipes are connected with the vertical pipes 11 through a lower support 16. In this embodiment, two of the fork tube joints 17 are respectively disposed at two sides of the hinged joint 14, and are riveted with the front and rear horizontal tubes 13 by rivets, so that the connection is more firm.
The left surrounding wall 3 and the right surrounding wall 4 (see fig. 3 and 4) both comprise two side horizontal tubes 31 and a plurality of link mechanisms, the upper end of one side of each link mechanism is hinged with the upper support 15 through the side horizontal tube 31, and the lower end of each link mechanism is hinged with the lower support 16. In this embodiment, the link mechanism includes a plurality of link units connected by side tube joints 32, each link unit includes a first link 33 and a second link 34 hinged at their respective midpoints, two adjacent links are connected by side tube joints 32, the side tube joints 32 (see fig. 9) include a joint base 321, two rotation points 322 are provided on the joint base 321, two ends of the joint base 321 are provided with limit stop points 323, the limit stop points 323 are arc-shaped surfaces matched with the links, and the limit stop points 323 can restrict the links to prevent the links from continuing to rotate upward, so that the frame is more stable and reliable after being unfolded.
The chassis 5 includes a bottom fork tube 51 and a bottom fork base 52 (see fig. 10), wherein one end of the bottom fork tube 51 is hinged with the bottom fork base 52, and the other end is hinged with the lower support 16.
The pull rod assembly 6 comprises a pull rod 61 and handle lower tubes 62, wherein the top end of the pull rod 61 is provided with a handle ring, the bottom end of the pull rod 61 is connected with the two handle lower tubes 62 through a pull rod seat 63 (see fig. 11), and the bottom ends of the handle lower tubes 62 are connected with the lower support 16 through a rotating seat 64.
The orientation mechanism 10 (see fig. 12 and 13) includes an orientation base 101, a universal base 102, and an orientation shaft 103, the fork 7 is provided with an orientation hole 71, the fork 7 is connected to the vertical pipe 11 through the universal base 102, the lower portion of the outer side of the vertical pipe 11 is sleeved with the orientation base 101, the lower portion of the orientation base 101 is connected to the orientation shaft 103, and the orientation shaft 103 downwardly penetrates through the lower support 16 and can be inserted into the orientation hole 71 or separated from the orientation hole 71 under the action of an external force. In this embodiment, the orienting seat 101 is externally provided with a pedal and an orienting shaft mounting sleeve. When the front wheel needs to be locked, a pedal outside the orienting seat 101 is stepped by feet, the orienting seat 101 drives the orienting seat 103 to move linearly downwards under the action of external force to enter the orienting hole 71 of the wheel fork 7, and the trailer is in a front wheel orienting state and can move purely linearly; when the front wheel needs to be unlocked, the pedal is lifted upwards by feet, the directional seat 101 drives the directional seat 103 to move linearly upwards under the action of external force to be separated from the directional hole 71 of the fork 7, and the trailer is in a universal state of the front wheel and can move flexibly by combining a straight line and a turning line.
The braking mechanism 9 (see fig. 14 and 15) includes a braking base 91 slidably mounted on the wheel fork 7 and a braking pin 92 mounted in the braking base 91, a pedal is disposed outside the braking base 91, a braking gear 81 is disposed in the center of the wheel 8, and the braking base 91 can drive the braking pin 92 to move linearly up and down along the wheel fork 7 under the action of an external force so as to disengage from a tooth space of the braking gear 81 or enter the tooth space of the braking gear 81. In this embodiment, the brake base 91 is provided with a brake pin mounting hole therein, the brake base is provided with a pedal outside, and the wheel fork 7 is provided with a brake pin sliding groove 72. When the trailer needs to stop parking, a pedal outside the brake seat 91 is stepped by feet, the brake seat 91 drives the brake pin 92 to move linearly downwards along the wheel fork 7 under the action of external force to enter the tooth groove of the brake gear 81, and the trailer is in a parking stop state; when the trailer needs to move, the pedal is lifted by feet, the brake seat 91 drives the brake pin 92 to move linearly upwards along the wheel fork 7 under the action of external force so as to be separated from the tooth groove of the brake gear 81, and the trailer is in a normal moving state.
The folding and unfolding processes of the trailer of this embodiment are as follows:
when the bicycle is folded, the bottom fork seat 52 of the underframe 5 is lifted upwards, the four bottom fork tubes 51 are driven to rotate around the bottom fork seat 52 respectively, so that the lower supports 16 at the four corners are pulled to be folded towards the center together, the upper support 15 connected with the four corners and the wheel assembly are also folded towards the center together, and the two handle lower tubes 62 of the pull rod assembly 6 are also driven by the lower supports 16 to be mutually folded; the second connecting rods 34 of the left and right surrounding walls are pushed to be mutually folded, and the first connecting rods 33 hinged on the left and right surrounding walls are also driven to be mutually folded, so that the side horizontal pipes 31 hinged with the left and right surrounding walls are driven to rotate upwards around the upper support 15 (see fig. 8); at the same time, the two fork tubes 12 of the front and rear enclosing walls are folded and push the front and rear horizontal tubes 13 to rotate upwards around the upper support 15 (see fig. 6), and the state when the folding of the whole vehicle is completed is shown in fig. 2.
When the bicycle is unfolded, the bottom fork seat 52 is pressed downwards, so that the four bottom fork tubes 51 are driven to push the lower supports 16 at the four corners to be unfolded all around, and the upper support 15 connected with the lower support 16, the wheel assembly and the lower handle pipe 62 are driven to move outwards; the second link 34 is pushed and drives the first link 33 hinged thereon to be unfolded outwards, so as to drive the lateral horizontal pipe 31 hinged therewith to rotate downwards around the upper support 15 (see fig. 7), and simultaneously the two fork pipes 12 are mutually stretched outwards and drive the front and rear horizontal pipes 13 to rotate downwards around the upper support 15 (see fig. 5), and the state when the unfolding of the whole vehicle is completed is shown in fig. 1.
Example two:
basically the same as the first embodiment, except that:
as shown in fig. 16, the lifting table 203 is further included, the lifting table 203 includes a table component and a table cross bar 202, the table component is fixed on the table cross bar 202 through a fixing member, the table cross bar 202 is mounted on a telescopic component through a supporting member 204, and the telescopic component is mounted and connected with the frame vertical pipe 11.
In this embodiment, the table subassembly includes two sets of connecting pieces 201 of parallel arrangement and connects the polylith table 203 between two sets of connecting pieces 201, and every connecting piece 201 of group is established ties by a plurality of connectors and is constituted, and connector (see fig. 17) one side is the sleeve structure, and the opposite side is grooved plate body structure, wears to be equipped with flexible rubber rope in the sleeve for it is firm to connect, and table 203 cover is established at the plate body structure of connector.
In this embodiment, the telescopic assembly includes a telescopic tube 21, a telescopic tube cap plug is disposed at the top end of the telescopic tube 21 and connected to the support 204 through the telescopic tube cap plug, a telescopic base is disposed at the bottom end and connected to the vertical tube 11 through the telescopic base, a spring positioning ball is disposed on the telescopic base, and a positioning hole matched with the spring positioning ball is disposed on the vertical tube 11.
Example three:
as shown in fig. 18, basically the same as in the first and/or second embodiments, except that:
the lifting sunshade comprises sunshade cloth 301 and a sunshade upright stanchion 302, the sunshade cloth 301 is installed on the sunshade upright stanchion 302, and the sunshade upright stanchion 302 is directly installed on a supporting piece 204 of the lifting table plate 203 or is installed on a vertical pipe 11 of the frame body through a telescopic component.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A collapsible trailer characterized by: comprises a frame main body with an unfolding state and a folding state and a wheel assembly which can be quickly and detachably arranged at the bottom of the frame main body;
the frame body comprises a basket body structure consisting of a front surrounding wall, a rear surrounding wall, a left surrounding wall, a right surrounding wall and an underframe, and a pull rod assembly arranged in front of the basket body;
the wheel assembly comprises wheel forks, wheels arranged between the wheel forks, a brake mechanism arranged on the wheel forks and an orientation mechanism arranged above the wheel forks.
2. A collapsible gatherable trailer as claimed in claim 1, wherein: the front trunk wall and the rear trunk wall comprise two vertical pipes, two fork pipes and two front and rear horizontal pipes, the two front and rear horizontal pipes are hinged through a hinged connector, the front and rear horizontal pipes are hinged with the vertical pipes through upper supports, the upper ends of the fork pipes are connected with the front and rear horizontal pipes through the fork pipe connectors, and the lower ends of the fork pipes are connected with the vertical pipes through lower supports.
3. A collapsible gathered trailer as claimed in claim 2 wherein: the two fork pipe joints are respectively arranged on two sides of the hinged connector and are riveted with the front horizontal pipe and the rear horizontal pipe through rivets.
4. A collapsible gathered trailer as claimed in claim 1 wherein: the left leg and the right leg both comprise two side horizontal tubes and a plurality of link mechanisms, the upper end of one side of each link mechanism is hinged with the upper support through the side horizontal tubes, and the lower end of each link mechanism is hinged with the lower support.
5. A collapsible gatherable trailer as claimed in claim 4, wherein: the connecting rod mechanism comprises a plurality of connecting rod units connected through side pipe joints, each side pipe joint comprises a joint seat, two rotating points are arranged on each joint seat, two ends of each joint seat are provided with limiting blocking points, and each limiting blocking point is an arc-shaped surface matched with a connecting rod.
6. A collapsible gathered trailer as claimed in claim 1 wherein: the orienting mechanism comprises an orienting seat, a universal seat and an orienting shaft, an orienting hole is formed in the wheel fork, the wheel fork is connected with the vertical pipe through the universal seat, the orienting seat and the lower support are sleeved on the lower portion of the outer side of the vertical pipe, the lower portion of the orienting seat is connected with the orienting shaft, the orienting shaft penetrates through the lower support downwards, and the orienting shaft can be inserted into the orienting hole or separated from the orienting hole under the action of external force.
7. A collapsible gathered trailer as claimed in claim 1 wherein: the brake mechanism comprises a brake seat which is slidably mounted on the wheel fork and a brake pin which is mounted in the brake seat, a pedal is arranged outside the brake seat, a brake gear is arranged at the center of the wheel, and the brake seat can drive the brake pin to move linearly up and down along the wheel fork under the action of external force so as to be separated from a tooth groove of the brake gear or enter the tooth groove of the brake gear.
8. A collapsible gatherable trailer as claimed in claim 1, wherein: still include the lift table, the lift table includes table subassembly, desk horizontal pole, the table subassembly passes through the mounting to be fixed on the desk horizontal pole, and the desk horizontal pole passes through flexible subassembly to be installed in frame main part top.
9. A collapsible gathered trailer as claimed in claim 1 wherein: the lifting sunshade comprises sunshade cloth and a sunshade upright stanchion, wherein the sunshade cloth is arranged on the sunshade upright stanchion, and the sunshade upright stanchion is arranged above the frame main body through a telescopic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221168593.9U CN217227618U (en) | 2022-05-16 | 2022-05-16 | Foldable gathering trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221168593.9U CN217227618U (en) | 2022-05-16 | 2022-05-16 | Foldable gathering trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217227618U true CN217227618U (en) | 2022-08-19 |
Family
ID=82823974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221168593.9U Active CN217227618U (en) | 2022-05-16 | 2022-05-16 | Foldable gathering trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217227618U (en) |
-
2022
- 2022-05-16 CN CN202221168593.9U patent/CN217227618U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3845433B1 (en) | Trolley with no height increase in folded state | |
| US5975559A (en) | Urban and all-terrain stroller | |
| US9090302B2 (en) | Bicycle | |
| CN208198531U (en) | Children trolley | |
| CN217227618U (en) | Foldable gathering trailer | |
| CN111391908B (en) | Children's barrow | |
| CN207984930U (en) | Perambulator | |
| CN203511740U (en) | Reversing foldable stroller | |
| CN216424450U (en) | Folding cart | |
| CN202152087U (en) | Multifunctional four-wheel deformable bicycle | |
| CN210310731U (en) | Folding vehicle standpipe structure | |
| CN212890751U (en) | Foldable portable electric vehicle | |
| CN209683917U (en) | A kind of folding stand and folding two-wheel tricycle | |
| CN209410145U (en) | It is a kind of to fold simple baby stroller | |
| CN208439367U (en) | A kind of vehicle frame and child's tricycle | |
| CN108674550B (en) | Frame and children tricycle | |
| CN221013840U (en) | Linkage folding frame | |
| CN114750818B (en) | Child trailer | |
| CN213323302U (en) | Convenient folding children's tricycle handcart | |
| CN220662608U (en) | Foldable framework for baby carriage | |
| CN212709631U (en) | Portable folding baby carriage | |
| CN216140046U (en) | Children's barrow | |
| CN209553405U (en) | Towing dolly formula folding scooter | |
| CN220500721U (en) | Liftable multi-functional folding shallow that gathers together | |
| CN211995808U (en) | Children's barrow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230824 Address after: 431621 Xinshang Building Materials 1 # Workshop, No. 2, Wenwei Road, Duanxia Village, Chenghuang Town, Hanchuan City, Xiaogan, Hubei Province Patentee after: Hubei Lexing Chuangtai Children's Products Co.,Ltd. Address before: 431699 Qiaotou foreign trade warehouse, Xiannvshan street, Hanchuan City, Xiaogan City, Hubei Province Patentee before: Hubei shanglexing children's products Co.,Ltd. |