CN207747919U - A kind of semi-automatic portable four-wheel linkage folding trailer - Google Patents
A kind of semi-automatic portable four-wheel linkage folding trailer Download PDFInfo
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- CN207747919U CN207747919U CN201721871138.4U CN201721871138U CN207747919U CN 207747919 U CN207747919 U CN 207747919U CN 201721871138 U CN201721871138 U CN 201721871138U CN 207747919 U CN207747919 U CN 207747919U
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- 238000010586 diagram Methods 0.000 description 7
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- 206010015856 Extrasystoles Diseases 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model is related to a kind of folded bicycles,More particularly to a kind of semi-automatic portable four-wheel linkage folding trailer,Including rod assembly,It folds control frame assembly and folds pocket,It includes control frame ontology and bottom plate to fold control frame assembly,Control frame body bottom portion both sides are arranged with a foot wheel unit,The both ends of two foot wheel units are fixedly connected by a baffle plate frame structure,Baffle plate frame structure includes baffle plate frame and is arranged support base in baffle plate frame bottom,Wherein,The surface of the first connecting tube on foot wheel unit is arranged in the second connecting tube on foot wheel unit,Second connecting tube one end is arranged with engagement with cams pipe and clutch pipe sleeve successively,Engagement with cams pipe engages connection by a retaining mechanism with the clutch pipe sleeve,Linkage retracting structure is additionally provided between support base and the second connecting tube to be allowed to rotate and be inwardly folded flat to fold,The utility model, which provides semi-automatic portable four-wheel linkage folding trailer, has folding and expanding easy to operate,Nimble performance is good,The advantages that convenient and efficient.
Description
Technical field
The utility model is related to a kind of small handcarts, and in particular to a kind of semi-automatic portable four-wheel linkage folding trailer.
Background technology
People save strength when article is carried in shopping usually using a kind of four-wheel trailer is arrived, and are deposited on the market at present
Folding trailer its unfolded trivial operations, dragging turn to difficult and nimble poor performance the shortcomings of.
Utility model content
In view of this, the main purpose of the utility model is to provide, a kind of folding and expanding is easy to operate, nimble performance is good, makes
It is existing in the prior art above-mentioned to solve with convenient and efficient, cost-effective semi-automatic portable four-wheel linkage folding trailer
Problem.
The utility model for solve the technical solution that uses of its technical problem for：
A kind of semi-automatic portable four-wheel linkage folding trailer comprising rod assembly folds control frame assembly and folding
Laying up pocket, it includes control frame ontology and bottom plate to fold control frame assembly, and control frame body bottom portion both sides are arranged with a foot wheel
Unit, foot wheel unit include the first connecting tube, the second connecting tube, universal caster wheel and direction-caster, the first connection bottom of the tube one
End is rotatablely connected with universal caster wheel, and the other end is fixedly connected with direction-caster, and the second connecting tube is arranged in the first connecting tube
Surface, the second connecting tube are arranged with engagement with cams pipe and clutch pipe sleeve successively, the other end be arranged with successively locating wheel pipe and
Positioning pipe sleeve, engagement with cams pipe one end are equipped with evagination cluster gear, and clutch pipe sleeve one end is equipped with the convex engaged with evagination cluster gear
Cluster gear, engagement with cams pipe are fixedly connected on first connecting tube one end and engage connection with clutch pipe sleeve by a retaining mechanism,
Positioning pipe sleeve is fixedly connected on first connecting tube one end, bottom plate be arranged on control frame ontology and on the foot wheel unit of both sides
Second connecting tube is fixedly connected, and the both ends of two foot wheel units are fixedly connected by a baffle plate frame structure, baffle plate frame structure packet
It includes baffle plate frame and the support base in baffle plate frame bottom is set, linkage is additionally provided between support base and second connecting tube and is received
Close structure, support base and the second connecting tube are folded flat rotatably and inwardly and fold under the action of link retracting structure, folding pocket
It is fixedly connected on bottom plate, both sides are radially provided with groove, and groove top is vertically equipped with buckling groove, and buckling groove is set in baffle plate frame
On, bottom portion of groove is equipped with pedestal, and pedestal inside bottom is fixedly connected with bottom base plate, and rod assembly includes telescopic lever and handle
Hand, handle are fixedly connected at the top of telescopic lever, and telescopic lever bottom is equipped with the connection being fixedly connected with control frame ontology side
End, connecting pin both sides are provided with limited block, and limited block is radially arranged on support base；
Further, which includes control frame, fixed block, fixed zipper head group, the first linkage block and the
Two linkage blocks, the first linkage block are respectively fixedly connected at the both ends of support base, and the first linkage block is equipped with accommodating cavity, the second linkage block
The second connecting tube left and right ends are separately fixed at, fixed block is arranged in accommodating cavity and is fixedly connected with the second linkage block, manipulated
There is bending part, its underpart to be flexibly connected with the first linkage block by a connecting shaft on frame top, and fixed zipper head group setting is being held
It sets intracavitary one end to be fixedly connected with connecting shaft, the other end is fixedly connected with retaining mechanism, presses bending part, the lower part of control frame
It is rotated along the junction of itself and the first linkage block and the fixation zipper head group being fixed in connecting shaft is driven to rotate, fixed zipper head
Group applies a pulling force to retaining mechanism.
Further, which includes slide post, spring, fixed column, drawing article, the first straight pin and the second cylinder
Pin, spring one end are fixedly connected with slide post, and the other end is fixedly connected with fixed column, and the second connecting tube is equipped with sliding slot and pin
Hole, the first straight pin sequentially pass through clutch pipe sleeve, sliding slot and slide post by slide post be slidably connected at second take in, second circle
Pin sequentially pass through clutch cover, pin hole and fixed column fixed column be fixedly connected on second take in, drawing article one end be equipped with pull head,
Pull head is fixedly connected on sliding column wall, and the other end sequentially passes through slide post, spring, fixed column and plastic cement fixed block and is in
It is parallel to the first connecting tube to be fixedly connected in fixed zipper head group, fixed zipper head group makes drawing article to fixed zipper when rotating
Head group direction pulls and slide post is driven to be moved to fixed zipper head group direction along sliding slot, makes engagement with cams pipe and clutch pipe sleeve point
From.
Further, the upper outside of first linkage block is equipped with the first linkage tooth, and the second linkage block upper outside is equipped with
Second linkage tooth, the first linkage tooth are connect perpendicular to the second linkage tooth and with the second linkage tooth engagement, when the first linkage tooth rotation
When drive the second linkage gear rotate, first linkage tooth rotation direction perpendicular to second linkage tooth rotation direction.
Further, it is additionally provided with a drawing corresponding with telescopic lever on semi-automatic portable four-wheel linkage folding trailer
Bar cramp, pull rod folder are fixedly connected on the side at the top of baffle plate frame, and telescopic lever can be fastened on pull rod folder.
Further, it is additionally provided with a drawing corresponding with telescopic lever on semi-automatic portable four-wheel linkage folding trailer
Bar cramp, pull rod folder are fixedly connected on the side at the top of baffle plate frame, and telescopic lever is fastened on pull rod folder.
Further, a lap buckle is additionally provided on semi-automatic portable four-wheel linkage folding trailer, lap buckle is in hook
Shape and the underface for being fixedly connected on telescopic lever.
Further, which is drawing article or drawstring or pull rod.
Further, the spacing block set is in plate-like.
The beneficial technique effect of the utility model：
1, semi-automatic portable four-wheel linkage folding trailer provided by the utility model can fold knot by linkage
Structure, locking device, the first linkage block, the second linkage block, the first linkage block outside are equipped with the first linkage tooth, the second linkage block top
Outside sets the second linkage tooth, the first linkage tooth connect perpendicular to the first linkage tooth and with the second linkage tooth engagement between organic association
New two step of putting into effect, which is completed to fold, folds towing dolly, while driving baffle plate frame, the first connecting tube, universal caster wheel and direction-caster inside
It is folded flat and folds, achieve the purpose that fast folding towing dolly, use that easy to operate, nimble performance is good, convenient to use, property
Valence is than high.
2, the utility model is used using universal wheel and directional wheel collocation, the structure tolerable injury level 360 degree rotation of universal wheel,
The dragging steering behaviour that semi-automatic portable four-wheel linkage folding trailer can be improved, when folding dragging turn to more convenient fast
It is prompt.
To keep the technical solution of the utility model and technique effect clearer, clear, below in conjunction with Figure of description and
Specific implementation mode elaborates to semi-automatic portable four-wheel disclosed by the utility model linkage folding trailer.
Description of the drawings
Fig. 1：The utility model semi-automatic portable four-wheel linkage folding trailer structural schematic diagram；
Fig. 2：It is folded in Fig. 1 and manipulates frame assembly structure fractionation schematic diagram；
Fig. 3：The structure of foot wheel unit splits schematic diagram in Fig. 1；
Fig. 4：The position relationship close-up schematic view of zipper head group, the first linkage block and control frame is fixed in Fig. 1；
Fig. 5：The enlarged diagram of A in Fig. 2；
Fig. 6：The enlarged diagram of B in Fig. 1；
Fig. 7：The enlarged diagram of C in Fig. 1；
Fig. 8：Positive structure schematic after Fig. 1 semi-automatic portable four-wheels linkage folding trailer folds；
Fig. 9：Structure schematic diagram after Fig. 1 semi-automatic portable four-wheels linkage folding trailer folds；
Indicate explanation：
1- baffle plate frames, 2- universal caster wheels 2,3- telescopic levers, 4- fold pocket, 5- direction-casters, 6- handles, 7- bottom plates,
8- control frames, 9- grooves, 10- lap buckles；
The first linkage blocks of 11-, 12- engagement with cams pipe, 13- clutches pipe sleeve, 14- positioning pipe sleeves, 15- locating wheel pipes；
The first connecting tubes of 21-, the second connecting tubes of 22-, 23- fixed blocks, the second linkage blocks of 24-, 25- slide posts, 26- bullets
Spring, 27- positioning columns, 29- pull heads, 30- drawing articles, the first straight pins of 31-, the second straight pins of 32-, 33- connecting shafts, 32- bendings
Portion, 34- support bases, 35- sliding slots, 36- pin holes；
The linkages of 103- second tooth, the linkages of 104- first tooth, 105- evaginations cluster gear, 106- convexes cluster gear, 201- connections
End, 202- lap buckles；
1001- pull rods folder, 1002- limited blocks, 1003- fix zipper head group；
Specific implementation mode
Please refer to Fig.1 to Fig. 9, this application involves a kind of semi-automatic portable four-wheel link folding trailer comprising
Rod assembly folds control frame assembly and folds pocket 4.
Please see Fig. 2 to Fig. 4, it includes control frame 8 and bottom plate 7 to fold control frame assembly, and 8 two bottom sides of control frame are symmetrically set
There is a foot wheel unit, specifically, foot wheel unit includes the first connecting tube 21, the second connecting tube 22, universal caster wheel 2 and determines
To castor 5, the first connecting tube 21 is square tubular body, and 21 bottom end of the first connecting tube is rotatablely connected with universal caster wheel 2, another
One end is fixedly connected with direction-caster 5, and the structure of universal caster wheel 2 allows 360 degree rotation, directional wheel not to rotate in the present embodiment
Structure cannot rotate, and be provided that two universal wheels close to telescopic lever one end, can move, greatly improve with any direction
The manipulation of semi-automatic portable four-wheel linkage folding trailer folds the service efficiency be either unfolded or pushed, the second connection
22 rounded tubular body of pipe, the second connecting tube 22 are fixedly connected on the top of the first connecting tube 21,22 one end of the second connecting tube (this
Embodiment middle finger is close to 2 one end of universal caster wheel) it is arranged with engagement with cams pipe 12 and clutch pipe sleeve 13, the other end (this reality successively
A middle finger is applied close to 5 one end of direction-caster) it is arranged with locating wheel pipe 15 and positioning pipe sleeve 14 successively, 12 one end of engagement with cams pipe is set
There are evagination cluster gear 105, clutch pipe sleeve 13 to be flexibly connected with the second connecting tube 22, the both ends of two foot wheel units pass through one respectively
Baffle plate frame structure is fixedly connected, as shown in figure 5, baffle plate frame structure includes baffle plate frame 1 and is arranged support in 1 bottom of baffle plate frame
Seat, support base are equipped with the convex cluster gear 106 engaged with evagination cluster gear 105, engagement with cams pipe with 22 one end of the second connecting tube
12 are fixedly connected on 21 one end of the first connecting tube and engage connection with clutch pipe sleeve 13 by a retaining mechanism, and positioning pipe sleeve 14 is solid
Surely it is connected to the other end of the first connecting tube 21, positioning pipe sleeve 14 is fixedly connected with locating wheel pipe 15, and bottom plate 7 is arranged in control frame
Linkage retracting structure is additionally provided on 8 bodies and between the foot wheel list of both sides, support base is folded with the second connecting tube 22 in linkage
It is rotatable under the action of structure simultaneously to drive baffle plate frame 1, the first connecting tube 21, universal caster wheel 2 and direction-caster 5 to be inwardly folded flat simultaneously
It folds, realizes that the fast folding of semi-automatic portable four-wheel linkage folding trailer folds, it is specific as follows：
Linkage retracting mechanism disclosed in the present application includes control frame 8, fixed block 23, fixed zipper head group 1003, first
Motion block 11 and the second linkage block 24, the first linkage block 11 are respectively fixedly connected at the both ends of support base, and the first linkage block 11 is equipped with
Accommodating cavity, the second linkage block 24 are separately fixed on 22 both ends of the second connecting tube, and fixed block 23 is arranged in accommodating cavity and with the
Two linkage blocks 24 are fixedly connected, and 8 top of control frame has bending part, and 8 lower part of control frame passes through a connecting shaft and the first linkage block
11 flexible connections, fixed zipper head group 1003 are arranged in accommodating cavity one end and are fixedly connected with connecting shaft, and the other end passes through lock
Tight mechanism is fixedly connected with fixed block, presses bending part, and the lower part of control frame rotates simultaneously along the junction of itself and the first linkage block
The fixation zipper head group 1003 being fixed in connecting shaft is driven to rotate, fixed zipper head group 1003 applies one to retaining mechanism and draws
Power, specifically：
As shown in figure 3, it includes slide post 25, spring 26, fixed column 27, drawing article 30, that the application, which discloses locking device,
One straight pin 31 and the second straight pin 32, drawing article 30 can be to draw steel lock or drawstring or pull rod, 26 one end of spring in the present embodiment
It is fixedly connected with slide post 25, the other end is fixedly connected with fixed column 27, and the second connecting tube 22 is equipped with elongated cunning
Slot 35 and pin hole 36, the first straight pin 31, which sequentially passes through clutch pipe sleeve 13, sliding slot 35 and slide post 25 and slides slide post 25, to be connected
Be connected on second take in, the second straight pin 32, which sequentially passes through pin hole 36 and fixed column 27 fixed column is fixedly connected on second, to be taken over
Interior, 30 one end of drawing article is equipped with pull head 29, and pull head 29 is fixedly connected on 25 inner wall of slide post, and the other end sequentially passes through sliding
Column 25, spring 26 fix 27 columns and fixed block 23 and are fixedly connected on fixed zipper head group in the first connecting tube 21 is parallel to
On 1003, i.e., fixed 1003 rotation of zipper head group applies a pulling force to drawing article 30 so that slide post 25 is along the past positioning of sliding slot 35
14 direction of pipe sleeve is moved, and clutch pipe sleeve 13 is pulled away from engagement with cams pipe 12, is allowed to that connection can not be engaged, is preferably, as Fig. 5,
Shown in Fig. 6 and Fig. 7, a 11 external upper lateral part of the first linkage block is equipped with the first linkage tooth 104, and 24 upper outside of the second linkage block is set
There are the second linkage tooth 103, the first linkage tooth 104 to engage connection perpendicular to the second linkage tooth 103 and with the second linkage tooth 103, when
First linkage tooth 104 drives the second linkage wheel rotation of tooth 103 when rotating when, the direction that the first linkage tooth 104 rotates is perpendicular to the
The folding control frame assembly operation logic of the rotation direction of bigeminy moving teeth 103, the application is as follows：
Fixed zipper head group 1003 is rotated applies a pulling force to drawing article 30 so that slide post 25 is along sliding slot 35 toward positioning pipe
The movement of 14 directions is covered, clutch pipe sleeve 13 is pulled away from engagement with cams pipe 12, is allowed to can not to engage connection, first links tooth 104 to Y-axis
When direction rotates and the second linkage tooth 103 is driven to take turns to X-direction rotation, i.e. the first connecting tube is around the second connecting tube along X-axis side
To inside folding, at this point, at this moment arbitrarily pushing baffle plate frame Unit 1 of foot wheel unit both ends any one end, 8 body bottom of control frame
The first connecting tube 21, universal caster wheel 2, direction-caster 5 in the foot wheel unit that both sides are arranged with is rotating around the second connecting tube
22, which turn to the inside and fold, packs up, in the baffle plate frame structure of both sides baffle plate frame 1 and bearing turned folding to the inside of control frame 8
It packs up, it is last real newly such as Fig. 8 to folded state shown in Fig. 9.
Folding pocket 4 disclosed in the present application is folding folding pocket 4, folds pocket 4 and is fixedly connected on bottom plate 7,
Its both sides is radially provided with groove 9, and 9 top of groove is equipped with buckling groove, and buckling groove is set in baffle plate frame 1, and baffle plate frame 1 is oppositely arranged
Side offset with 9 inner bottom surface of groove.
It includes telescopic lever 3 and handle 6 that the application, which discloses rod assembly, and handle 6 is fixedly connected on 3 top of telescopic lever,
3 bottom of telescopic lever is equipped with the connecting pin being fixedly connected with 8 body side of control frame, and connecting pin both sides are provided in plate-like limit
Block 1002, limited block 1002 are radially arranged on support base 34, and the transition when pulling of telescopic rod 3 is prevented to be biased to left or right both ends,
The stability for influencing folding frame body is preferably that it is in hook-shaped lap buckle 10 that the underface of telescopic lever 3, which is fixedly connected with one,
The lap buckle 10 is fixedly connected on 8 body of control frame, by changing lap buckle 10, the semi-automatic portable four-wheel of folding can be made to join
Dynamic folding trailer or the semi-automatic portable four-wheel of expansion linkage folding trailer quick suspension and other walking-replacing tools
On dragged, easy to carry, easy to use, use scope is wider；
It is drawn with flexible referring to Fig. 1, being additionally provided with one on semi-automatic portable four-wheel linkage folding trailer in the present embodiment
3 corresponding pull rod of bar folder 1001, pull rod folder 1001 are fixedly connected on the side at 1 top of baffle plate frame, specifically, pull rod folder 1001
Equipped with mounting hole, screw passes through mounting hole that the assembly that pull rod presss from both sides 1001 can be realized, and telescopic lever 3 is bonded simultaneously with pocket 4 is folded
It is fastened on pull rod folder 1001.
In summary, the utility model offer semi-automatic portable four-wheel linkage folding trailer, which has, uses operation
Simply, nimble performance is good, folding convenient is quick, cost-effective.
The preferred embodiment of the utility model is elaborated above in association with Figure of description, it should explanation
It is that the scope of protection of the utility model includes but not limited to above-described embodiment；Concrete structure disclosed in Figure of description also only
It is the preferred embodiment of the utility model, the technical staff in the field can also develop other embodiment on this basis,
Any simple deformation or equivalent replacement for not departing from the utility model innovative idea, is covered by the utility model, belongs to this reality
With novel protection domain.
Claims (8)
- The folding trailer 1. a kind of semi-automatic portable four-wheel links, it is characterised in that：It is total including rod assembly, folding control frame At with fold pocket；The folding control frame assembly includes control frame ontology and bottom plate, and control frame body bottom portion both sides are arranged with a band Caster units, the foot wheel unit include the first connecting tube, the second connecting tube, universal caster wheel and direction-caster, described first Connecting tube bottom end is rotatablely connected with the universal caster wheel, and the other end is fixedly connected with the direction-caster, and described second Connecting tube is arranged in the surface of first connecting tube, second connecting tube one end be arranged with successively engagement with cams pipe and from Pipe sleeve is closed, the other end is arranged with locating wheel pipe and positioning pipe sleeve successively, and engagement with cams pipe one end is equipped with evagination cluster gear, Clutch pipe sleeve one end is equipped with the convex cluster gear engaged with the evagination cluster gear, and the engagement with cams pipe is fixedly connected on First connecting tube one end simultaneously engages connection with the clutch pipe sleeve by a retaining mechanism, and the positioning pipe sleeve is fixedly connected on One connecting tube one end, the bottom plate are arranged on the control frame ontology and consolidate with the second connecting tube on the foot wheel unit of both sides Fixed connection, the both ends of two foot wheel units are fixedly connected by a baffle plate frame structure, and the baffle plate frame structure includes gear Grillage and support base in the baffle plate frame bottom is set, connection is additionally provided between the support base and second connecting tube Dynamic retracting structure, the support base and second connecting tube are under the action of the linkage retracting structure rotatably and to infolding It is flat to fold；The folding pocket is fixedly connected on bottom plate, and both sides are radially provided with groove, and the groove top is vertically equipped with clamping Slot, the buckling groove are set in the baffle plate frame, and the bottom portion of groove is equipped with pedestal, the pedestal inside bottom and the bottom Board bottom portion is fixedly connected；The rod assembly includes telescopic lever and handle, and the handle is fixedly connected at the top of the telescopic lever, described to stretch Contracting pull rod bottom is equipped with the connecting pin being fixedly connected with control frame ontology side, and the connecting pin both sides are provided with limit Block, the limited block are radially arranged on the support base；
- The folding trailer 2. a kind of semi-automatic portable four-wheel according to claim 1 links, it is characterised in that：It is described Dynamic retracting mechanism includes control frame, fixed block, fixed zipper head group, the first linkage block and the second linkage block, first linkage Block is respectively fixedly connected at the both ends of the support base, and first linkage block is equipped with accommodating cavity, the second linkage block difference The second connecting tube left and right ends are fixed on, the fixed block is arranged in the accommodating cavity and is fixedly connected with the second linkage block, There is bending part, its underpart to be flexibly connected with first linkage block by a connecting shaft on the control frame top, the fixation Zipper head group is arranged in accommodating cavity one end and is fixedly connected with the connecting shaft, and the other end is fixed with the retaining mechanism to be connected It connects, presses the bending part, the lower part of the control frame rotates along the junction of itself and the first linkage block and drives the company of being fixed on Fixation zipper head group rotation in spindle, fixed zipper head group apply a pulling force to retaining mechanism.
- The folding trailer 3. a kind of semi-automatic portable four-wheel according to claim 2 links, it is characterised in that：The lock Tight device includes slide post, spring, fixed column, drawing article, the first straight pin and the second straight pin, the spring one end with it is described Slide post is fixedly connected, and the other end is fixedly connected with the fixed column, and second connecting tube is equipped with sliding slot 35 and pin hole, First straight pin sequentially passes through clutch pipe sleeve, sliding slot and slide post and the slide post is slidably connected at second connection In pipe, second straight pin sequentially passes through clutch cover, pin hole and fixed column and the fixed column is fixedly connected on described second In connecting tube, described drawing article one end is equipped with pull head, and the pull head is fixedly connected on the sliding column wall, the other end according to It is secondary to pass through slide post, spring, fixed column and fixed block and be fixedly connected in fixed zipper head group in the first connecting tube is parallel to, So that the drawing article is pulled to fixed zipper head group direction when the fixed zipper head group rotation and drive slide post along sliding slot to The movement of fixed zipper head group direction makes the engagement with cams pipe and the clutch pipe sleeve detach.
- The folding trailer 4. a kind of semi-automatic portable four-wheel according to claim 2 links, it is characterised in that：Described The upper outside of one linkage block is equipped with the first linkage tooth, and the second linkage block upper outside is equipped with the second linkage tooth, and described the One linkage tooth is connect perpendicular to the second linkage tooth and with the second linkage tooth engagement, is driven when the first linkage tooth rotation Second linkage gear rotates, rotation direction of the direction that the first linkage tooth rotates perpendicular to the second linkage tooth.
- 5. according to a kind of semi-automatic portable four-wheel linkage folding trailer according to claim 1, it is characterised in that：Institute It states and is additionally provided with a pull rod folder corresponding with the telescopic lever, the pull rod on semi-automatic portable four-wheel linkage folding trailer Folder is fixedly connected on the side at the top of the baffle plate frame, and the telescopic lever is fastened on the pull rod folder.
- The folding trailer 6. a kind of semi-automatic portable four-wheel according to claim 1 links, it is characterised in that：Described half A lap buckle is additionally provided on Portable automatic four-wheel linkage folding trailer, the lap buckle is in hook-shaped and is fixedly connected on described The underface of telescopic lever.
- The folding trailer 7. a kind of semi-automatic portable four-wheel according to claim 3 links, it is characterised in that：The drawing Moving part is drawing article or drawstring or pull rod.
- The folding trailer 8. a kind of semi-automatic portable four-wheel according to claim 1 links, it is characterised in that：The limit Position convex block is in plate-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871138.4U CN207747919U (en) | 2017-12-28 | 2017-12-28 | A kind of semi-automatic portable four-wheel linkage folding trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871138.4U CN207747919U (en) | 2017-12-28 | 2017-12-28 | A kind of semi-automatic portable four-wheel linkage folding trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207747919U true CN207747919U (en) | 2018-08-21 |
Family
ID=63150906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721871138.4U Withdrawn - After Issue CN207747919U (en) | 2017-12-28 | 2017-12-28 | A kind of semi-automatic portable four-wheel linkage folding trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207747919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969237A (en) * | 2017-12-28 | 2019-07-05 | 东莞市全乐电动科技有限公司 | A kind of semi-automatic portable four-wheel linkage folding trailer |
| CN114620111A (en) * | 2022-02-15 | 2022-06-14 | 好孩子儿童用品有限公司 | Folding trailer |
-
2017
- 2017-12-28 CN CN201721871138.4U patent/CN207747919U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969237A (en) * | 2017-12-28 | 2019-07-05 | 东莞市全乐电动科技有限公司 | A kind of semi-automatic portable four-wheel linkage folding trailer |
| CN109969237B (en) * | 2017-12-28 | 2023-12-29 | 东莞市全乐电动科技有限公司 | Semi-automatic portable four-wheel linkage folding small trailer |
| CN114620111A (en) * | 2022-02-15 | 2022-06-14 | 好孩子儿童用品有限公司 | Folding trailer |
| CN114620111B (en) * | 2022-02-15 | 2024-04-05 | 好孩子儿童用品有限公司 | Folding trailer |
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