CN207292100U - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN207292100U CN207292100U CN201720874775.0U CN201720874775U CN207292100U CN 207292100 U CN207292100 U CN 207292100U CN 201720874775 U CN201720874775 U CN 201720874775U CN 207292100 U CN207292100 U CN 207292100U
- Authority
- CN
- China
- Prior art keywords
- rail rods
- trailing wheel
- children trolley
- rear support
- support leg
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model embodiment discloses a kind of children trolley, including rear support leg and rail rods, the rear support leg and rail rods rotation connection, a sliding block is slidably connected in the rail rods, the first rotating bar is rotatably connected on the sliding block, one end of the remote sliding block of first rotating bar and rear support leg rotation connection, the bottom of the rear support leg is hinged with trailing wheel mounting rod, the bottom of the trailing wheel mounting rod is provided with trailing wheel, trailing wheel lifting rod is rotatably connected on the trailing wheel mounting rod, one end of the remote trailing wheel mounting rod of the trailing wheel lifting rod and the bottom rotation connection of the rail rods.Trailing wheel is lifted upwards in folding, makes the front wheels and rear wheels of the children trolley after folding not in sustained height, is all located at the foldable structure of sustained height compared to traditional front and back wheel, the children trolley of the present embodiment fold after space smaller, it is more portable.
Description
Technical field
It the utility model is related to children trolley technical field, more particularly to a kind of children trolley.
Background technology
Existing folding children's barrow, it generally all includes folding stroller frame, under stroller frame
Stroller frame, is locked in the locking mechanism of open mode, the seat pocket in stroller frame by the front vehicle wheel and rear wheel of side
Etc. mechanism.
Although the folding mode of existing folding stroller frame has a variety of, but children trolley substantially after folding one
As be all front and back wheel in sustained height position because the wheel of stroller is larger, four wheels put together so that perambulator folding
The occupied space of poststack is larger, is not easy to be carried.
Utility model content
A kind of children trolley that the utility model embodiment provides, including rear support leg and rail rods, the rear support leg and institute
State rail rods rotation connection；
A sliding block is slidably connected in the rail rods；The first rotating bar is rotatably connected on the sliding block；Described first
One end of the remote sliding block of rotating bar and rear support leg rotation connection；
The bottom of the rear support leg is hinged with trailing wheel mounting rod, and the bottom of the trailing wheel mounting rod is provided with trailing wheel；It is described
Trailing wheel lifting rod is rotatably connected on trailing wheel mounting rod；One end of the remote trailing wheel mounting rod of the trailing wheel lifting rod and institute
State the bottom rotation connection of rail rods；
When folding children trolley, the rail rods is had lock articulation around described, drive the sliding block along the track
Bar slides；The trailing wheel lifting rod drives the trailing wheel mounting rod to be rotated around the rear support leg, the trailing wheel is lifted upwards
Folding.
Preferably, also it is rotatably connected to seat tube on the sliding block；
One end of the remote sliding block of the seat tube is rotatably connected to the second rotating bar, second rotating bar it is remote
It is rotatablely connected from one end of the seat tube and the rail rods；
Wherein, one end of the remote seat tube of second rotating bar is connected to the sliding block and the rail rods
Between bottom.
Preferably, the children trolley further includes handspike, and the handspike includes handle and is symmetrically connected to described
Two connecting rods at hand both ends；
The bottom of the connecting rod, which is connected with one, lock joint；It is described to there is lock joint and the top of the rail rods to rotate and connect
Connect；
It is described to there is lock is intra-articular to be provided with lockable mechanism, for pinning the rail rods to prevent the rail rods from rotating；
When needing to fold children trolley, the lockable mechanism is unlocked by the connecting rod, makes the rail rods can be around institute
Lock articulation is stated.
Preferably, the children trolley further includes front leg strut, support joint and front-wheel mounting rod；
The front leg strut has lock articulation to connect with described；
The support joint is fixedly connected with the rear support leg；It is described support joint be also rotatablely connected front leg strut bottom and
The top of the front-wheel mounting rod；The front leg strut and the front-wheel mounting rod are arranged on the rear support leg opposite sides；
The bottom of the rail rods is also rotatably connected to front-wheel connecting rod；The one of the remote rail rods of the front-wheel connecting rod
End and front-wheel mounting rod rotation connection.
Preferably, the bottom of the rail rods is fixed with a lifting joint；
The lifting joint is rotatablely connected with the front-wheel connecting rod and the trailing wheel lifting rod respectively.
Preferably, it is described have be further fixed on having the intra-articular connecting sleeve of lock described in connection on lock joint；
The connecting sleeve is socketed in the connecting rod, and the connecting rod can stretch along the connecting sleeve inner wall.
Preferably, the rear support leg is equipped with rail rods connecting shaft；
The rear support leg, the second rotating bar and rail rods connect axis connection by the rail rods.
Trailing wheel synchronizing bar is connected between two trailing wheels；
Lifting synchronizing bar is connected between the two front-wheel connecting rods；
Front-wheel synchronizing bar is connected between the two front-wheel mounting rods.
Preferably, the slide block set is arranged in the rail rods, and can be slided along the rail rods.
Preferably, two connecting rods are arranged in parallel.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages：Trailing wheel in folding by
Upper lifting, makes the front wheels and rear wheels of the children trolley after folding be all located at together compared to traditional front and back wheel not in sustained height
The foldable structure of one height, the space smaller after the children trolley folding of the present embodiment are more portable.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the integral frame structure figure for the children trolley that the utility model embodiment provides.
Fig. 2 is the structure chart of a state of the children trolley of the utility model embodiment offer during folding.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is that the children trolley that the utility model embodiment provides is regarded in the structure side that will fold the state before finishing
Figure.
Fig. 5 is that the children trolley that the utility model embodiment provides folds the structural side view finished.
In figure：10th, handspike；11st, handle；12nd, connecting rod；20th, there is lock joint；21st, connecting sleeve；22nd, first rotating shaft；
23rd, the second shaft；30th, front leg strut；40th, joint is supported；50th, rear support leg；51st, the first rotating bar connecting shaft；52nd, rail rods connect
Axis；60th, front-wheel mounting rod；70th, rail rods；71st, the second shaft connecting hole；80th, sliding block；90th, seat tube；91st, sliding block connecting portion；
92nd, the second rotating bar connecting shaft；100th, the first rotating bar；110th, the second rotating bar；111st, rail rods connecting shaft hole；120th, front-wheel
Connecting rod；130th, joint is lifted；131st, front-wheel lifting shaft；132nd, trailing wheel lifting shaft；140th, trailing wheel lifting rod；150th, front-wheel is same
Walk bar；160th, synchronizing bar is lifted；170th, trailing wheel mounting rod；171st, position is bent；172nd, rotation axis；173rd, trailing wheel lifting rod connects
Axis；180th, trailing wheel；190th, trailing wheel synchronizing bar；200th, front-wheel.
Embodiment
Purpose of utility model, feature, advantage to enable the utility model is more obvious and understandable, below will knot
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this reality
With the embodiment in new, those of ordinary skill in the art are obtained all other without making creative work
Embodiment, shall fall within the protection scope of the present invention.
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
, it is necessary to explanation, the finger such as term " on ", " under ", "left", "right", " top ", " bottom " in the description of the utility model
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the fixture or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that limitation to the utility model.
Referring to Fig. 1, the utility model embodiment provides a kind of children trolley, which includes handspike 10, hand
Push rod 10 includes handle 11 and connects two connecting rods 12 at the both ends of handle 11；As a kind of preferably embodiment, handle 11
It is structure as a whole with connecting rod 12, and two connecting rods 12 are arranged in parallel.
It is understood that each connecting rod 12 is connected to a foldable assembly；Two foldable assemblies are symmetrical arranged, and
Action when realizing expansion by lifting synchronizing bar 160, front-wheel synchronizing bar 150 and trailing wheel synchronizing bar 190 or fold is synchronous, matches somebody with somebody
Close the expansion for completing children trolley or fold.In the present embodiment, the structure of two foldable assemblies is identical or convergence is identical.
Specifically, the bottom of connecting rod 12 is connected with lock joint 20, there is lock joint 20 to include being socketed in connecting rod 12
Connecting sleeve 21, connecting rod 12 is telescopic to be active in connecting sleeve 21.
Specifically, it be in " L " shape to have lock joint 20, it include surrounding the first side of angle (being located at one side on the upside of Fig. 1) and
Second side, in the present embodiment, which is 90 degree, i.e., first while and second while be arranged in a mutually vertical manner, but it is understood that, should
Angle has been adjusted according to actual body construction, can also be other angles, not to the restriction to the utility model；First
While away from second while one end be equipped with first rotating shaft 22, second while remote first while one end be equipped with the second shaft 23.
Further, lock joint 20 is rotatably connected to a rail rods 70 by first rotating shaft 22；Slided in rail rods 70
It is connected with a sliding block 80；It is sheathed in rail rods 70, and can be slided along rail rods 70 as one kind preferably embodiment, sliding block 80
It is dynamic.It is understood that sliding block 80 can also be the mode for being sticked in and being slided in rail rods 70, should all be in the protection of the utility model
In the range of.
90 and first rotating bar 100 of seat tube is rotatably connected on sliding block 80.
Specifically, 90 one end of seat tube is equipped with sliding block connecting portion 91,90 other end of seat tube is connected equipped with the second rotating bar
Axis 92；Wherein, sliding block connecting portion 91 and sliding block 80 are rotatablely connected；90 other end of seat tube passes through 92 turns of the second rotating bar connecting shaft
It is dynamic to be connected with the second rotating bar 110.
More specifically, the one end of the second rotating bar 110 away from the second rotating bar connecting shaft 92 offers rail rods connecting shaft
Hole 111.Second rotating bar 110 and rail rods 70 are rotatablely connected.
Further, children trolley includes front leg strut 30, support joint 40, rear support leg 50, front-wheel mounting rod 60 and trailing wheel
Mounting rod 170.
Specifically, support joint 40 is fixedly connected with rear support leg 50, support joint 40 is also rotatablely connected the bottom of front leg strut 30
Hold (lower end of front leg strut 30 in Fig. 1) and the top (upper end of front-wheel mounting rod 60 in Fig. 1) of front-wheel mounting rod 60；Front leg strut 30
50 opposite sides of rear support leg is arranged on front-wheel mounting rod 60.
There is the top (upper end of front leg strut 30 in Fig. 1) that lock joint 20 is rotatablely connected front leg strut 30 by the second shaft 23；
The bottom (lower end of front-wheel mounting rod 60 in Fig. 1) of front-wheel mounting rod 60 is connected with front-wheel 200.
The first rotating bar connecting shaft 51 and rail rods connecting shaft 52 are respectively equipped with rear support leg 50.Rear support leg 50 passes through rail
Road bar connecting shaft 52 is rotatablely connected rail rods 70.In the present embodiment, as a kind of preferable real-time mode, rear support leg 50, second
Rotating bar 110 and rail rods 70 are connected by rail rods connecting shaft 52.
Specifically, the top (upper end of the first rotating bar 100 in Fig. 1) of the first rotating bar 100 and sliding block 80 are rotatablely connected,
The bottom (lower end of the first rotating bar 100 in Fig. 1) of first rotating bar 100 and rear support leg 50 are rotatablely connected.
The bottom (lower end of Fig. 1 middle orbits bar 70) of rail rods 70 is connected with a lifting joint 130.Lifting joint 130 is divided
Trailing wheel lifting rod 140 and front-wheel connecting rod 120 are not rotatably connected to, wherein, trailing wheel lifting rod 140 and front-wheel connecting rod 120 are located at rail
70 opposite sides of road bar.
Further, the bottom of rear support leg 50 is hinged with trailing wheel mounting rod 170, and the bottom of trailing wheel mounting rod 170 is provided with
Trailing wheel 180.
Specifically, the bottom of trailing wheel mounting rod 170 and trailing wheel lifting rod 140 (lower end of trailing wheel lifting rod 140 in Fig. 1) turns
Dynamic connection.
The one end in the remote lifting joint 130 of front-wheel connecting rod 120 and front-wheel mounting rod 60 are rotatablely connected.
In the present embodiment, children trolley to fold process specific as follows：
Please continue to refer to Fig. 1-Fig. 5, it is preferred that have in lock joint 20 and be additionally provided with lockable mechanism, in children trolley
Front leg strut 30 and rail rods 70, its front leg strut 30 and rail rods 70 are pinned during expansion to be rotated.
When step S1, needing to fold children trolley, need first by the gradual retraction connecting sleeve 21 of connecting rod 12, make connection
Bar 12 contradicts the lockable mechanism and is unlocked, and after lockable mechanism unlock, can be wound with lock by front leg strut 30 and rail rods 70 and close
Section 20 rotates, and then can realize the folding of children trolley.
Step S2, after lockable mechanism unlock, continue to push handle 11, in terms of Fig. 3 (right view of children trolley) direction, rail
Road bar 70 and front leg strut 30 rotate counterclockwise, sliding block 80 along rail rods 70 towards have lock 20 direction of joint slide.
Step S3, sliding block 80 while completes seat tube along rail rods 70 towards having in lock 20 direction sliding process of joint
90 folding, upward the lifting folding and the folding of front component of trailing wheel 180.Specific design sketch please refers to Fig.4.Step S3 has
Body includes：
First, sliding block 80 drives the first rotating bar 100 along rail rods 70 towards having in lock 20 direction sliding process of joint
Rotation, rail rods 70 rotate the folding completed by the second rotating bar 110 to seat tube 90.
Second, sliding block 80 is drawn along rail rods 70 towards having in lock 20 direction sliding process of joint to 200 direction of front-wheel
Trailing wheel lifting rod 140 is pulled, itself and rear support leg 50 is broken at bending position 171 from trailing wheel lifting rod 140 is set around bending position 171
The rotation axis 172 at place rotates, and makes upward lifting folding of the trailing wheel 180 towards 50 direction of rear support leg.
Third, sliding block 80, along rail rods 70 towards having in lock 20 direction sliding process of joint, front-wheel connecting rod 120 is to trailing wheel
Front-wheel mounting rod 60 is pullled in 180 directions, completes the folding of front component.Wherein, front component includes front-wheel mounting rod 60 with before
Wheel 200.
In the present embodiment, trailing wheel synchronizing bar 190 is connected between two trailing wheels 180, is connected with and carries between two front-wheel connecting rods 120
Synchronized bar 160 is drawn, front-wheel synchronizing bar 150 is connected between two front-wheel mounting rods 60.Such structure, can make children trolley exist
The foldable assembly action consistency of arranged on left and right sides and make the frame of children trolley after deployment more stable when folding or being unfolded.
Step S4, after the foldable assembly being folded into the structure such as Fig. 4, at this time, sliding block 80 has contradicted lock joint 20,
Handspike 10 is pushed towards foldable assembly direction, completes the folding of handspike 10.So far, children trolley folding is completed, and folding is completed
Effect afterwards refer to Fig. 5.
The expansion process of children trolley is the inverse process for the process that folds, and principle and step are it is foreseeable that so it will not be repeated.
In the present embodiment, it was found from the design sketch after the completion of folding, trailing wheel 180 is lifted to the top of front-wheel 200, therefore
The foldable structure of sustained height, the space after the children trolley folding of the present embodiment are all located at compared to traditional front and back wheel
Smaller, is more easy to portable.
For ease of understanding, axis pin can be selected in axis used by all rotation connections in the present embodiment, it is to be understood that
, for those of ordinary skill in the art, on the basis of the design of the utility model is learnt, it is easy to expect using other
The rotating connector of equivalents substitutes axis pin to implement this embodiment scheme, and Gu Qijun should be in the protection model of the utility model
In enclosing.
The above, above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution described in foregoing embodiments, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical solution
Spirit and scope.
Claims (10)
- A kind of 1. children trolley, it is characterised in that including rear support leg (50) and rail rods (70), the rear support leg (50) and described Rail rods (70) are rotatablely connected；The bottom of the rear support leg (50) is hinged with trailing wheel mounting rod (170), and the bottom of the trailing wheel mounting rod (170) is provided with Trailing wheel (180)；Trailing wheel lifting rod (140) is rotatably connected on the trailing wheel mounting rod (170)；The trailing wheel lifting rod (140) The remote trailing wheel mounting rod (170) one end and the rail rods (70) bottom rotation connection；When folding children trolley, the bottom of the rail rods (70) is moved towards the direction away from the trailing wheel (180), by pullling The trailing wheel lifting rod (140), drives the trailing wheel mounting rod (170) to be rotated around the bottom of the rear support leg (50), makes described Trailing wheel (180) is lifted folding upwards.
- 2. children trolley according to claim 1, it is characterised in that slidably connect a sliding block on the rail rods (70) (80)；The first rotating bar (100) is rotatably connected on the sliding block (80)；The remote cunning of first rotating bar (100) One end of block (80) and the rear support leg (50) rotation connection；Seat tube (90) is also rotatably connected on the sliding block (80)；The one of the remote sliding block (80) of the seat tube (90) End is rotatably connected to the second rotating bar (110), one end of the remote seat tube (90) of second rotating bar (110) and institute State rail rods (70) rotation connection；Wherein, one end of the remote seat tube (90) of second rotating bar (110) is connected to Between the bottom of the sliding block (80) and the rail rods (70).
- 3. children trolley according to claim 2, it is characterised in that further include handspike (10), the handspike (10) It is connected to including handle (11) and symmetrically two connecting rods (12) at the handle (11) both ends；The bottom of the connecting rod (12), which is connected with one, lock joint (20)；It is described to have lock joint (20) and the rail rods (70) Top rotation connection；It is described to there is lock joint (20) is interior to be provided with lockable mechanism, for pinning the rail rods (70), to prevent the rail rods (70) rotated when the children trolley is in unfolded state；When needing to fold children trolley, the lockable mechanism is unlocked by the connecting rod (12), makes the rail rods (70) can There is lock joint (20) rotation around described.
- 4. children trolley according to claim 3, it is characterised in that further include front leg strut (30), support joint (40) and Front-wheel mounting rod (60)；The front leg strut (30) and it is described have lock joint (20) rotation connection；Support joint (40) is fixedly connected with the rear support leg (50)；Support joint (40) is also rotatablely connected front leg strut (30) bottom and the top of the front-wheel mounting rod (60)；The front leg strut (30) and the front-wheel mounting rod (60) are arranged on institute State rear support leg (50) opposite sides；The bottom of the rail rods (70) is also rotatably connected to front-wheel connecting rod (120)；The front-wheel connecting rod (120) away from described One end of rail rods (70) and the front-wheel mounting rod (60) rotation connection.
- 5. children trolley according to claim 4, it is characterised in that the bottom of the rail rods (70) is fixed with a lifting Joint (130)；Lifting joint (130) is rotatablely connected with the front-wheel connecting rod (120) and the trailing wheel lifting rod (140) respectively.
- 6. children trolley according to claim 3, it is characterised in that it is described have be further fixed on lock joint (20) connection institute State the connecting sleeve (21) in lock joint (20)；The connecting sleeve (21) is socketed in the connecting rod (12), and the connecting rod (12) can be along the connecting sleeve (21) inner wall stretches.
- 7. children trolley according to claim 2, it is characterised in that the rear support leg (50) is equipped with rail rods connecting shaft (52)；The rear support leg (50), the second rotating bar (110) and rail rods (70) are connected by the rail rods connecting shaft (52).
- 8. children trolley according to claim 4, it is characterised in that it is same to be connected with trailing wheel between two trailing wheels (180) Walk bar (190)；Lifting synchronizing bar (160) is connected between the two front-wheel connecting rods (120)；Front-wheel synchronizing bar (150) is connected between the two front-wheel mounting rods (60).
- 9. children trolley according to claim 2, it is characterised in that the sliding block (80) is sheathed on the rail rods (70) On, and can be slided along the rail rods (70).
- 10. children trolley according to claim 3, it is characterised in that two connecting rods (12) are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874775.0U CN207292100U (en) | 2017-07-18 | 2017-07-18 | A kind of children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874775.0U CN207292100U (en) | 2017-07-18 | 2017-07-18 | A kind of children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207292100U true CN207292100U (en) | 2018-05-01 |
Family
ID=62450852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720874775.0U Withdrawn - After Issue CN207292100U (en) | 2017-07-18 | 2017-07-18 | A kind of children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207292100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140002A (en) * | 2017-07-18 | 2017-09-08 | 英属维京群岛商贯新企业股份有限公司 | A kind of children trolley |
| CN112956867A (en) * | 2021-04-10 | 2021-06-15 | 中山市泽泰日用制品有限公司 | Baby bed frame, baby bed and folding method of baby bed |
-
2017
- 2017-07-18 CN CN201720874775.0U patent/CN207292100U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140002A (en) * | 2017-07-18 | 2017-09-08 | 英属维京群岛商贯新企业股份有限公司 | A kind of children trolley |
| CN107140002B (en) * | 2017-07-18 | 2019-07-05 | 英属维京群岛商贯新企业股份有限公司 | A kind of children trolley |
| CN112956867A (en) * | 2021-04-10 | 2021-06-15 | 中山市泽泰日用制品有限公司 | Baby bed frame, baby bed and folding method of baby bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20190705 |
|
| AV01 | Patent right actively abandoned |