CN208439270U - A kind of portable folding trailer - Google Patents
A kind of portable folding trailer Download PDFInfo
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- CN208439270U CN208439270U CN201820485446.1U CN201820485446U CN208439270U CN 208439270 U CN208439270 U CN 208439270U CN 201820485446 U CN201820485446 U CN 201820485446U CN 208439270 U CN208439270 U CN 208439270U
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- seated
- rotation connection
- scissor
- scissor mechanism
- portable folding
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Abstract
The utility model discloses a kind of portable folding trailers, including towing carriage, the towing carriage includes folding stand and wheel, the folding stand includes four scissor mechanisms enclosed in rectangle, the scissor mechanism includes at least one scissors unit, it is rotatably connected per adjacent two scissor mechanism upper end by upper connecting socket, lower end is rotatably connected by lower seated；The lower seated is connected with support rod, which passes through lower seated and lower end is connected with the wheel, which is rotatably connected to sliding connector, which slips on the scissors unit of scissor mechanism.It has the following advantages: prolonging the service life；Reduce materials cost；Improve usage safety performance.
Description
Technical field
The utility model relates to a kind of Portable tow truck more particularly to a kind of portable folding trailers.
Background technique
Existing portable folding trailer, such as CN201210293571.X, CN201210572499.4, US9073564B2,
Including towing carriage, which includes folding stand and wheel.The folding stand include four enclose in rectangle scissor mechanism and
Four telescoping tubes.The scissor mechanism includes at least one scissors unit, is turned per adjacent two scissor mechanism upper end by upper connecting socket
Dynamic to link together, lower end is rotatably connected by lower seated；The affixed upper connecting socket in telescoping tube upper end, lower end fixation are worn
Seated is crossed down, which is mounted in telescoping tube lower end.Existing portable folding trailer has the following deficiencies: first, folded bicycle
Telescoping tube in frame remains at vertical state, exhibition receive and trailer walking process in, telescoping tube by torque, folding stand by
Torque effect will lead to reduced service life；Second, telescoping tube includes two pipe fittings, increase materials cost；Third, opening procedure
Middle telescoping tube may clamp hand, usage safety performance is to be improved.
Utility model content
The utility model provides a kind of portable folding trailer, and which overcome portable folding trailer institutes in background technique
Existing deficiency.
The technical solution adopted by the utility model to solve the technical problem is that:
A kind of portable folding trailer, including towing carriage, the towing carriage include folding stand and wheel, the folding stand packet
Four scissor mechanisms enclosed in rectangle are included, which includes at least one scissors unit, per adjacent two scissor mechanism upper end
Portion is rotatably connected by upper connecting socket, and lower end is rotatably connected by lower seated；The lower seated is rotatably connected to
Support rod, the lower seated are equipped with through hole, and the through hole upper peripheral edge of the lower seated is upwardly extended in the wall passed through for support rod,
The support rod lower end passes through wall and through hole and lower end is connected with the wheel, which, which is rotatably connected to, is slidably connected
Part, the sliding connector slip on the scissors unit of scissor mechanism.
Among one embodiment: the scissors unit includes the connecting rod that two middle parts are rotatably connected；Four scissor mechanisms
It is divided into second scissor mechanism of two or so spaced apart first scissor mechanisms and two time intervals arrangement, first scissors
Slip above-mentioned sliding connector in the top that mechanism corresponds to the connecting rod of the scissors unit of rectangle corner.
Among one embodiment: the upper connecting socket includes the two upper rotation connection positions at right angles arranged, this is rotatablely connected position on two
It is rotatablely connected a small end portion of the first scissor mechanism and a small end portion of the second scissor mechanism respectively；The lower seated packet
Two the first lower rotation connection positions at right angles arranged are included, which is rotatablely connected the first scissor mechanism respectively
A connecting rod lower end and the second scissor mechanism a connecting rod lower end.
Among one embodiment: the supporting bar top is installed with solid seat, which is equipped with lug, the lug and is slidably connected
Part rotation connection, the upper connecting socket and solid seat top when which is located on solid seat top surface and folding stand is in unfolded state
It is spaced between face.
Among one embodiment: first scissor mechanism includes at least two scissors unit along front and back to arrangement, this second
Scissor mechanism includes at least one scissors unit.
Among one embodiment: each adjacent two scissors unit lower end of first scissor mechanism passes through seated in first and turns
Dynamic connection, upper end pass through seated rotation connection in second；The folding stand further includes chassis, which includes and the first scissors
Scissors unit number of mechanism etc. counts and along front and back to the radiation mechanism of arrangement, which includes a centre mount and four energy
It is rotatably connected on the bottom bar of centre mount, seated or lower seated in the bottom bar end rotation connection corresponding first of the radiation mechanism.
Among one embodiment: this in first seated connect simultaneously front and back adjacent two radiation mechanism a bottom bar end.
Among one embodiment: this in first seated include being rotatablely connected in two second affixed lower rotation connection positions and two
Position, the two second lower rotation connection positions are rotatablely connected connecting rod lower end for two neighboring scissors unit respectively, this is rotated in two
Connection position is rotatablely connected the end of a bottom bar of front and back adjacent two radiation mechanism respectively.
Among one embodiment: the two second lower rotation connection position or so arranged for interval, this in two rotation connection position be installed in
The side of rotation connection position and arrangement are in splayed under one second.
Among one embodiment: further including case portion made of flexible material, which is installed in folding stand and is supported by
On chassis, and the centre mount of the case portion and all radiation mechanisms links together.
Among one embodiment: further including drag link mechanism, which includes a scissors unit, this two second are cut
Two connecting rods of the scissors unit of second scissor mechanism in formula mechanism are linked together by positioning seat, are set on the positioning seat
There is the first locating slot；The drag link mechanism includes the first pull rod, the second pull rod and the second locating slot for being rotatably connected on the first pull rod,
First pull rod is rotatably connected on positioning seat, and second pull rod and the first locating slot, the second locating slot are all adapted to.
Among one embodiment: the drag link mechanism include two the first pull rods, second pull rod and an assembling stand, this two
First pull rod arranged for interval and one end are all rotatablely connected positioning seat, and the other end is affixed by assembling stand；Second pull rod rotation connects
It connects in the assembling stand, and second locating slot is located on the assembling stand.
The technical program compared with the background art, it has the following advantages:
Lower seated is equipped with through hole, and support rod passes through the through hole, and support rod is also rotatablely connected the lower seated,
Lower seated is rotatably connected to support rod, and support rod lower end passes through wall and through hole and lower end is connected with the wheel,
Post upper rotation is slipped on the scissors unit of scissor mechanism by sliding connector, therefore can generate following technology effect
Fruit: first, post upper is connected on scissors unit by sliding connector, the flexible connection between support rod and scissors unit
The torque that support rod generates during expansion or folding, in walking process can be absorbed or be partially absorbed, is prolonged the service life；Its
Two, post upper is connected on scissors unit by sliding connector, convenient for opening or folding, opens or folding firmly saves；
Third, reducing materials cost using support rod；Fourth, open or folding during will not clamp hand, improve usage safety performance；
Fifth, it is compact-sized, it is convenient for assembly, increase the bonding strength of support rod and lower seated.
Folding stand further includes chassis, chassis include with the numbers such as the scissors unit number of the first scissor mechanism and along front and back to
The radiation mechanism of arrangement, radiation mechanism includes that a centre mount and four are able to rotate the bottom bar for being connected to centre mount, radiates mechanism
Bottom bar end is rotatablely connected seated or lower seated in corresponding first, and attachment base is connected with radiation mechanism in each first, keeps away
Exempt to swing in the middle part of the first scissor mechanism, enhances bottom firm supporting.
Seated connects the end of a bottom bar of front and back adjacent two radiation mechanism simultaneously in first, simplifies structure, enhancing is secured
Property.
Seated includes rotating connection position in two second affixed lower rotation connection positions and two in first, simplifies structure, enhancing
Fastness.
Drag link mechanism includes the first pull rod, the second pull rod and the second locating slot for being rotatably connected on the first pull rod, and first draws
Bar is rotatably connected on positioning seat, and the second pull rod and the first locating slot, the second locating slot are all adapted to, compact-sized after folding, occupies
It is small in size.
Drag link mechanism includes two the first pull rods, second pull rod and an assembling stand, this two the first pull rod interval cloth
It sets and one end is all rotatablely connected positioning seat, the other end is affixed by assembling stand；Second pull rod is rotatably connected on the assembling stand, and
Second locating slot is located on the assembling stand, firm and reliable connection.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is one of the stereoscopic schematic diagram of the portable folding trailer of present embodiment.
Fig. 2 is one of the stereoscopic schematic diagram of the portable folding trailer of present embodiment.
Fig. 3 is that the towing carriage of present embodiment is in the stereoscopic schematic diagram of unfolded state.
Fig. 4 is that the towing carriage of present embodiment is in one of the stereoscopic schematic diagram of half folding.
Fig. 5 is that the towing carriage of present embodiment is in the two of the stereoscopic schematic diagram of half folding.
Fig. 6 is that the towing carriage of present embodiment is in the stereoscopic schematic diagram of folding state.
Fig. 7 is the stereoscopic schematic diagram of the towing carriage of present embodiment, and drag link mechanism is in use state at this time.
Fig. 8 is the stereoscopic schematic diagram of the towing carriage of present embodiment, and drag link mechanism is in folding state at this time.
Fig. 9 is the perspective exploded view of the drag link mechanism of present embodiment.
Figure 10 is enlarged diagram at the A of Fig. 4.
Specific embodiment
A kind of portable folding trailer please refers to Fig. 1 to Figure 10, including towing carriage A, and towing carriage A includes folding stand
A1, wheel 20 and drag link mechanism 30.
Folding stand A1 includes four scissor mechanisms and a chassis enclosed in rectangle, and folding stand A1 can be opened or be received
Folding is to be in unfolded state or folding state.
Four scissor mechanisms are divided into two or so spaced apart first scissor mechanisms 11 and two time interval arrangements
The second scissor mechanism 12, first scissor mechanism 11 include two along front and back to the scissors unit of arrangement, the second scissors machine
Structure 12 include a scissors unit, but the number of the scissors unit of the first scissor mechanism 11, the second scissor mechanism 12 not more than
The number stated is limited.It is rotatably connected per adjacent two scissor mechanism upper end by upper connecting socket 13, lower end passes through lower company
Seat 14 is rotatably connected, to be in top view as the set shape frame of rectangle.The scissors unit includes that two middle parts are rotatably connected on
Connecting rod 15 together.
In one specific structure: the upper connecting socket 13 includes the two upper rotation connection positions at right angles arranged, this is rotatablely connected on two
Position is rotatablely connected 15 upper end of a connecting rod of the first scissor mechanism 11 and 15 upper end of a connecting rod of the second scissor mechanism 12 respectively；
The lower seated 14 includes two the first lower rotation connection positions at right angles arranged, which is rotatablely connected respectively
15 lower end of a connecting rod of first scissor mechanism 11 and 15 lower end of a connecting rod of the second scissor mechanism 11；First scissor mechanism
15 lower end of connecting rod of 11 each adjacent two scissors unit passes through seated 181 in first and is rotatablely connected, and upper end passes through second
Middle seated 182 is rotatablely connected.
Support rod 16 is all connected on every seated 14 once；16 lower end of support rod passes through lower seated 14 and lower end connects
There is the wheel 20, which is rotatably connected to sliding connector 17, which slips first cuts at this
On the connecting rod 15 of the scissors unit of formula mechanism 11.
In one specific structure: the lower seated 14 is equipped with through hole, which upwardly extends in wall 141, should
Support rod 16 passes through the wall 141 and through hole, and the another pivot that is arranged passes through wall 141 and support rod 16 to be rotatablely connected support rod
16 and lower seated 14；The 16 lower end attaching of support rod has wheel carrier 21, which is installed in the wheel carrier 21；This is slidably connected
First lug 171 is convexly equipped on part 17；16 top of support rod is installed with solid seat 161, which, which is equipped with, tilts upward cloth
The first lug of the second lug 162 set, second lug 162 and sliding connector 17 is rotatablely connected, second lug 162 top
When end is located on solid 161 top surface of seat and folding stand be in unfolded state the upper connecting socket 13 and consolidate between 161 top surface of seat there are
Every A2, so that user hand is placed in it, convenient for opening or folding, clamp hand is avoided；The sliding connector 17 slips the first scissors machine
The top of the connecting rod 15 of the scissors unit of the corresponding rectangle corner of structure 11；The upper connecting socket 13 constitutes the sliding connector upward sliding
Position-limit mechanism, 17 contact of sliding connector folding stand in upper connecting socket 13 are in unfolded state.
The chassis includes the radiation mechanism with numbers such as the scissors unit numbers of the first scissor mechanism 11 and along front and back to arrangement
19, which includes that a centre mount 191 and four are able to rotate the bottom bar 192 for being connected to centre mount 191, the radiation mechanism
Seated 181 or lower seated 14 in 19 192 end of bottom bar rotation connection corresponding first.In one specific structure: this connects in first
Seat 181 connects the end of a bottom bar 192 of front and back adjacent two radiation mechanism 19 simultaneously；Two bottom bars 192 of the one radiation mechanism 19
The lower seated 14 of rotation connection two respectively, two bottom bars 192 of another radiation mechanism 19 are rotatablely connected other two lower seateds 14 respectively, should
Radiate seated 181 in remaining bottom bar 192 rotation connection first of mechanism 19；This in first seated 181 include affixed two second
Connection position 183 is rotated in lower rotation connection position and two, which is rotatablely connected two neighboring scissors respectively
15 lower end of a connecting rod of unit, this in two rotation connection position 183 be rotatablely connected front and back adjacent two respectively and radiates the one of mechanism 19
The end of bottom bar 192；Moreover, the two second lower rotation connection position or so arranged for interval, this in two rotation connection position be installed in one
The side of rotation connection position and arrangement are in splayed under second.
The portable folding trailer further includes case portion 40 made of flexible material, which is installed in folding stand.
In one specific structure: peripheral wall made of the case portion 40 includes bottom wall and upwardly extended as bottom wall periphery, the peripheral wall are socketed in scissors
In mechanism, preferably, which is connected to upper connecting socket 13, further, is also attached to seated 182 in second；Preferably, case portion 40
Bottom wall be supported by chassis.The bottom wall of the case portion 40 and the centre mount 191 of all radiation mechanisms 19 link together, so that
The bottom wall of case portion 40 must be lifted, the activity upwards of centre mount 191 can be driven, drive radiation 19 folding of mechanism, convenient folding simultaneously should
A little radiation mechanisms 19, Foldable vehicle frame folding；Preferably, one is equipped on the bottom wall of the case portion 40 pull portion, a hand
Drawing portion is located at the center of bottom wall, user pull this pull portion can folding folding stand.
It is fixed that two connecting rods 15 of the scissors unit of second scissor mechanism 12 in this two the second scissor mechanisms 12 pass through
Position seat 151 links together；
The drag link mechanism 30 include two the first pull rods, 31, second pull rods 32 and an assembling stand 33, this two first
31 arranged for interval of pull rod and one end are all rotatablely connected positioning seat 151, and the other end is affixed by assembling stand 33；31 turns of second pull rod
Dynamic to be connected to the assembling stand 33 and be between two first pull rods 31, which is equipped with the first locating slot 152, should
Assembling stand 33 is equipped with the second locating slot 331.It is rotated by the second pull rod 32 relative to the first pull rod 31, so that at drag link mechanism 30
In use state or folding state, first pull rod 31 can be connected in the second locating slot 331 to keep when in use state
In use state, first pull rod 31 is connected in the first locating slot 152 to be maintained at folding state when in folding state.
The above, only the utility model preferred embodiment, therefore, it cannot be limited according to, and the utility model is implemented
It is practical new to should still belong to this for range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual
In the range of type covers.
Claims (12)
1. a kind of portable folding trailer, including towing carriage, which includes folding stand and wheel, which includes
Four scissor mechanisms enclosed in rectangle, the scissor mechanism include at least one scissors unit, per adjacent two scissor mechanism upper end
It is rotatably connected by upper connecting socket, lower end is rotatably connected by lower seated；It is characterized by: the lower seated turns
Dynamic to be connected with support rod, which is equipped with through hole, and it is in wear for support rod that the through hole upper peripheral edge of the lower seated, which upwardly extends,
The wall crossed, which passes through wall and through hole and lower end is connected with the wheel, post upper rotation connection
There is sliding connector, which slips on the scissors unit of scissor mechanism.
2. a kind of portable folding trailer according to claim 1, it is characterised in that: the scissors unit includes that two middle parts turn
The dynamic connecting rod to link together；Four scissor mechanisms are divided into two or so spaced apart first scissor mechanisms and two front and backs
Spaced apart second scissor mechanism, the top which corresponds to the connecting rod of the scissors unit of rectangle corner are slipped
The sliding connector stated.
3. a kind of portable folding trailer according to claim 2, it is characterised in that: the upper connecting socket includes two rectangular cloth
The upper rotation connection position set, this is rotatablely connected the small end portion and second of the first scissor mechanism in rotation connection position on two respectively
One small end portion of scissor mechanism；The lower seated include two at right angles arrange first it is lower be rotatablely connected positions, this is under two first
Rotation connection position is rotatablely connected a connecting rod lower end of the first scissor mechanism and a connecting rod lower end of the second scissor mechanism respectively.
4. a kind of portable folding trailer according to claim 1, it is characterised in that: the supporting bar top is installed with
Seat, the solid seat are equipped with lug, the lug and sliding connector rotation connection, which is located on solid seat top surface and rolls over
It is spaced between the upper connecting socket and solid seat top surface when folded vehicle frame is in unfolded state.
5. a kind of portable folding trailer according to claim 2, it is characterised in that: first scissor mechanism includes at least
Two along front and back to the scissors unit of arrangement, which includes at least one scissors unit.
6. a kind of portable folding trailer according to claim 5, it is characterised in that: first scissor mechanism per adjacent
Two scissors unit lower ends pass through seated rotation connection in first, and upper end passes through seated rotation connection in second；The folding
Vehicle frame further includes chassis, which includes the radiation with numbers such as the scissors unit numbers of the first scissor mechanism and along front and back to arrangement
Mechanism, the radiation mechanism include that a centre mount and four are able to rotate the bottom bar for being connected to centre mount, the bottom bar end of the radiation mechanism
Seated or lower seated in end rotation connection corresponding first.
7. a kind of portable folding trailer according to claim 6, it is characterised in that: this is before seated connects simultaneously in first
The end of a bottom bar of adjacent two radiation mechanism afterwards.
8. a kind of portable folding trailer according to claim 7, it is characterised in that: this in first seated include affixed
Connection position is rotated in two second lower rotation connection positions and two, which is rotatablely connected two neighboring cut respectively
One connecting rod lower end of formula unit, this in two rotation connection position be rotatablely connected the bottom bar that mechanism is radiated in front and back adjacent two respectively
End.
9. a kind of portable folding trailer according to claim 8, it is characterised in that: the two second lower rotation connection position is left
Right septum arrangement, the side that rotation connection position is installed in one second lower rotation connection position in two and arrangement is in splayed.
10. a kind of portable folding trailer according to claim 6, it is characterised in that: further include made of flexible material
Case portion, the case portion are installed in folding stand and are supported by chassis, and the centre mount of the case portion and all radiation mechanisms connects
It is connected together.
11. a kind of portable folding trailer according to claim 2, it is characterised in that: further include drag link mechanism, this second
Scissor mechanism includes a scissors unit, two companies of the scissors unit of second scissor mechanism in two second scissor mechanisms
Bar is linked together by positioning seat, which is equipped with the first locating slot；The drag link mechanism includes the first pull rod, rotation company
The second pull rod and the second locating slot in the first pull rod are connect, which is rotatably connected on positioning seat, second pull rod and
A positioning groove, the second locating slot are all adapted to.
12. a kind of portable folding trailer according to claim 11, it is characterised in that: the drag link mechanism includes two the
One pull rod, second pull rod and an assembling stand, this two the first pull rod arranged for interval and one end is all rotatablely connected positioning seat, separately
One end is affixed by assembling stand；Second pull rod is rotatably connected on the assembling stand, and second locating slot is located on the assembling stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485446.1U CN208439270U (en) | 2018-04-08 | 2018-04-08 | A kind of portable folding trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485446.1U CN208439270U (en) | 2018-04-08 | 2018-04-08 | A kind of portable folding trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208439270U true CN208439270U (en) | 2019-01-29 |
Family
ID=65094186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820485446.1U Active CN208439270U (en) | 2018-04-08 | 2018-04-08 | A kind of portable folding trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208439270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725533A (en) * | 2018-04-08 | 2018-11-02 | 鹭谱达（厦门）户外用品有限公司 | Portable folding trailer |
| KR102404438B1 (en) * | 2021-02-24 | 2022-06-02 | 서울대학교산학협력단 | Multimodal foldable moving device |
-
2018
- 2018-04-08 CN CN201820485446.1U patent/CN208439270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725533A (en) * | 2018-04-08 | 2018-11-02 | 鹭谱达（厦门）户外用品有限公司 | Portable folding trailer |
| CN108725533B (en) * | 2018-04-08 | 2024-06-18 | 鹭谱达（厦门）户外用品有限公司 | Portable Folding Trailer |
| KR102404438B1 (en) * | 2021-02-24 | 2022-06-02 | 서울대학교산학협력단 | Multimodal foldable moving device |
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