CN110481621A - Children trolley - Google Patents

Children trolley Download PDF

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Publication number
CN110481621A
CN110481621A CN201910654139.0A CN201910654139A CN110481621A CN 110481621 A CN110481621 A CN 110481621A CN 201910654139 A CN201910654139 A CN 201910654139A CN 110481621 A CN110481621 A CN 110481621A
Authority
CN
China
Prior art keywords
frame
rod
push
axis
stroller
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.)
Pending
Application number
CN201910654139.0A
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Chinese (zh)
Inventor
王俊马
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodbaby Child Products Co Ltd
Original Assignee
Goodbaby Child Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Goodbaby Child Products Co Ltd filed Critical Goodbaby Child Products Co Ltd
Priority to CN201910654139.0A priority Critical patent/CN110481621A/en
Publication of CN110481621A publication Critical patent/CN110481621A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable

Abstract

The invention discloses a kind of children trolleys, its stroller frame includes the fore-stock being mutually rotatablely connected, after-poppet and push-rod frame, it further include supporting pole rack, preceding connection frame, rear connecting frame, front rod and back link, wherein fore-stock includes along its length with respect to the preceding upper bracket of sliding extension and preceding lower bracket, after-poppet, including along its length with respect to the upper rear support of sliding extension and rami posterior inferior frame, during stroller frame folding, the relative rotation folding of preceding connection frame and rear connecting frame, before being driven by front rod and back link between upper bracket and preceding lower bracket, it is shunk along its length respectively between upper rear support and rear time, so that the length of fore-stock and after-poppet reduces, so that the whole height of folded stroller frame significantly reduces, further reduce the folded overall dimensions of stroller frame, for the daily of user It carries and brings convenience with storage.

Description

Children trolley
Technical field
The present invention relates to a kind of children trolleys.
Background technique
Children trolley carries infant's trip for user in daily life and plays an important role, and has become at present Indispensable one of articles for children in virgin developmental process.In the prior art, the structure of children trolley is varied, each rod piece Connection relationship is also different, and the folding mode and folding principle of vehicle frame are also different, and folded form and volume are also each It is not identical.The stroller frame of conventional children trolley includes fore-stock, after-poppet and push-rod frame, when stroller frame folds, preceding branch Frame, after-poppet and the mutual folding of push-rod frame, thus the length of fore-stock, after-poppet fully affects the ruler after vehicle folding It is very little, if but reduce the length of fore-stock and after-poppet in order to reduce the height of folding rear carriage, it will lead to seat on vehicle frame Height reduce, influence take comfort level.
Summary of the invention
The object of the present invention is to provide a kind of novel children trolleys.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of children trolley, including with unfolded state with The stroller frame of folded state, set on the front component of stroller frame bottom front, set on stroller frame bottom rear portion Wheel assembly, and for the locking mechanism by stroller frame locking in the deployed state, the stroller frame includes:
Fore-stock, including along its length with respect to the preceding upper bracket of sliding extension and preceding lower bracket;
After-poppet, including along its length with respect to the upper rear support of sliding extension and rami posterior inferior frame;
Push-rod frame, the upper push-rod frame that the top including lower push-rod frame, lower part and the lower push-rod frame is rotatablely connected, it is described before on In the top of bracket, the top of the upper rear support and this three of the lower part of the lower push-rod frame, wherein both rotation connection and The third party rotationally connect or above-mentioned three is pivotally connected together with one of both aforementioned;
Connection frame component, including the preceding connection frame being respectively arranged along the longitudinal direction and rear connecting frame, the preceding connection frame with it is described Rear connecting frame mutually rotationally connects, and the front of the preceding connection frame is rotationally connected on the preceding upper bracket, connects after described It is connected in the upper rear support with connecing the posterior rotation of frame;
Front rod, the one end of the front rod are rotationally connected on the preceding lower bracket, and the other end rotationally connects In the front of the rear connecting frame;
Back link, the one end of the back link are rotationally connected on the rami posterior inferior frame, and the other end rotationally connects At the rear portion of the preceding connection frame;
Supporting pole rack, the supporting pole rack are rotationally connect with the upper rear support, the top of the supporting pole rack and the upper push-rod frame Lower rotational connection, the lower part of the supporting pole rack can either relatively rotate and can be along the length extension side of the rear connecting frame It is slidably connected on the rear connecting frame to opposite.
Preferably, when the stroller frame is in folded state, the push-rod frame and supporting pole rack overturning are collapsed The rear side of the after-poppet, the preceding connection frame and the rear connecting frame relatively rotate folding, the fore-stock and the rear branch Frame is respectively shortened length and mutually collapses along the longitudinal direction.
Preferably, when the stroller frame folds, the preceding connection frame and the rear connecting frame are relatively rotated and along front and back It mutually collapses in direction, wherein the rear portion of the preceding connection frame moves upwards respectively with the front of the rear connecting frame.
Preferably, the preceding connection frame is rotationally connect with the rear connecting frame by first axle, the front rod and institute Rear connecting frame to be stated rotationally to connect by the second axis, the back link is rotationally connect with the preceding connection frame by third axis, The stroller frame is under unfolded state, the first axle be located at along the longitudinal direction second axis and the third axis it Between.
Preferably, the supporting pole rack is rotationally connected in the upper rear support by the 4th axis, the rear connecting frame Rear portion is rotationally connected in the upper rear support by the 5th axis, and the 4th axis is located at described the in the upper rear support The top of five axis.
Preferably, the top of the upper push-rod frame is rotationally connected on the lower push-rod frame by the 6th axis, the support The top of bridge is connect by the 7th axis with the lower rotational of the lower push-rod frame, and the 6th axis and the 7th axis are axis Two axis that heart line is parallel to each other.
Preferably, the stroller frame further includes the seat frame being arranged along the longitudinal direction, the posterior rotation of the seat frame Ground is connected on the supporting pole rack, the front of the seat frame can along length direction relatively slidably with the lower push-rod Frame connection.
Preferably, the lower part on the top of the preceding upper bracket, the top of the upper rear support and the lower push-rod frame is around same One rotary centerline is pivotally connected together, the locking mechanism include set on the preceding upper bracket top, it is described after on For above being pushed away by the main locking joint of the opposite locking of three, set on described between the top of bracket and the lower part of the lower push-rod frame For by the push rod locking joint of the opposite locking of the two, the main locking joint and the push-rod lock between bridge and lower push-rod frame Determine to be arranged to linkage of unlocking between joint, the unlock for unlocking push rod locking joint is additionally provided on the push-rod frame Operating parts.
Preferably, the front component is set to the bottom of the preceding lower bracket, and the wheel assembly is set to the rami posterior inferior The bottom of frame, when the stroller frame is in folded state, the front component and the wheel assembly are supported in ground jointly, The upper end of the upper push-rod frame is not higher than the top of the fore-stock and the after-poppet.
Further, the stroller frame includes two groups of side stands for being divided into the left and right sides, the side stand of every side Include the fore-stock, after-poppet, push-rod frame and supporting pole rack, the preceding connection frame, rear connecting frame, front rod and after connect Bar setting is between the side stand described in two groups.
Further, the preceding connection frame has two front sides for being divided into the left and right sides and extending along the longitudinal direction Bar, the rear connecting frame have two postero lateral arms for being divided into the left and right sides and extending along the longitudinal direction, the stroller frame Each side in left and right on, the antero-lateral rod is rotationally connect with the postero lateral arm, and the front of the antero-lateral rod is rotationally connected to together On the preceding upper bracket of side, the posterior rotation of the postero lateral arm it is connected in the ipsilateral upper rear support.
Further, the front rod, the back link all have be divided into the left and right sides two groups, the cart vehicle On each side in the left and right of frame, the front rod is rotationally connected between the preceding lower bracket and the front of the postero lateral arm, described Back link is rotationally connected between the rami posterior inferior frame and the rear portion of the antero-lateral rod.
Further, the preceding connection frame, which also has, extends in left-right direction and between the two antero-lateral rod rear portions Front rod, the rear connecting frame also have in left-right direction extend and the rear connection between the two postero lateral arm fronts Bar is provided with front rail between preceding lower bracket described in two sides, is provided with rear transverse rod between the rami posterior inferior frame of two sides, described Front rod is rotatably arranged between the front rail and the rear connecting rod, and the back link is rotatably arranged at described rear horizontal Between bar and the front rod.
Further, the lower part of the supporting pole rack of every side is rotationally connected with a sliding part, the sliding part It can be slidably set on the postero lateral arm along the length extending direction of the postero lateral arm, and the sliding part is in the postero lateral arm The upper rear positioned at the antero-lateral rod and postero lateral arm rotation connection position.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: children of the invention Cart, stroller frame is simple for structure, and folding operation is simple, and fore-stock and after-poppet can be along respective length in folding process Direction synchronously shrinks and reduces length, so that the whole height of folded stroller frame significantly reduces, further subtracts The small folded overall dimensions of stroller frame bring convenience for the daily carrying and storage of user.
Detailed description of the invention
Attached drawing 1 is the perspective view under the children trolley unfolded state of embodiment 1;
Attached drawing 2 is the side view under the children trolley unfolded state of embodiment 1;
Attached drawing 3 is the side view under the children trolley semi-collapsed condition of embodiment 1;
Attached drawing 4 is the side view under the children trolley folded state of embodiment 1;
Attached drawing 5 is the perspective view under the children trolley unfolded state of embodiment 2;
Attached drawing 6 is the side view under the children trolley unfolded state of embodiment 2;
Attached drawing 7 is the side view under the children trolley semi-collapsed condition of embodiment 2;
Attached drawing 8 is the side view under the children trolley folded state of embodiment 2;
Wherein: 1, fore-stock;11, preceding upper bracket;12, preceding lower bracket;100, front rail;
2, after-poppet;21, upper rear support;22, rami posterior inferior frame;200, rear transverse rod;
3, push-rod frame;31, upper push-rod frame;311, upper push-rod;312, pulling handle rod;32, lower push-rod frame;
4, supporting pole rack;5, preceding connection frame;51, front rod;52, antero-lateral rod;6, rear connecting frame;61, rear connecting rod;62, rear side Bar;7, front rod;8, back link;9, sliding part;10, seat frame;20, sliding sleeve;201, sliding sleeve cross bar;30, push rod locks joint; 40, main locking joint;50, operating parts is unlocked;60, front component;70, wheel assembly;A, first axle;B, the second axis;C, third Axis;D, the 4th axis;E, the 5th axis;F, the 6th axis;G, the 7th axis.
Specific embodiment
Technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Embodiment 1
Children trolley referring to FIG. 1 to FIG. 4, including with unfolded state and folded state stroller frame, be set to cart The front component 60 of vehicle frame bottom front, the wheel assembly 70 set on stroller frame bottom rear portion, and for locking stroller frame Locking mechanism in the deployed state.
The stroller frame includes the side stand for being divided into the left and right sides, and the side stand of every side includes fore-stock 1, after-poppet 2, push-rod frame 3, supporting pole rack 4 are additionally provided with connection frame component, front rod 7 and back link 8 between the side stand of two sides.
Wherein, on each side in the left and right of stroller frame, fore-stock 1 is gradually upward from front to back under stroller frame unfolded state Inclination extends comprising along its length with respect to the preceding upper bracket 11 of sliding extension and preceding lower bracket 12, front component 60 is set to The bottom of preceding lower bracket 12;Gradually inclination extends after-poppet 2 upwards from back to front under stroller frame unfolded state comprising edge Length direction is with respect to the upper rear support 21 and rami posterior inferior frame 22 of sliding extension, and wheel assembly 70 is set on the bottom of rami posterior inferior frame 22; Push-rod frame 3 includes the upper push-rod frame 31 that the top of lower push-rod frame 32, lower part and lower push-rod frame 32 rotationally connects, the upper push-rod frame 31 include the upper push-rod 311 and pulling handle rod 312 of opposite sliding extension, and the pulling handle rod 312 of two sides is wholely set U-shaped bar.Cart On each side in the left and right of vehicle frame, in the top of preceding upper bracket 11, the top of upper rear support 21 and this three of the lower part of lower push-rod frame 32, Wherein one of the two rotation connection and the third party and aforementioned the two rotation connection or above-mentioned three are rotationally connected to Together, in the present embodiment specifically: the lower part on the top of preceding upper bracket 11, the top of upper rear support 21 and lower push-rod frame 32 this Three is pivotally connected together around same rotary centerline.
Connection frame component includes the preceding connection frame 5 and rear connecting frame 6 being respectively arranged along the longitudinal direction, and preceding connection frame 5 is with after Connection frame 6 mutually rotationally connects, before the front of preceding connection frame 5 is rotationally connected on upper bracket 11, the rear portion of rear connecting frame 6 It is rotationally connected in upper rear support 21;Before the one end of front rod 7 is connected to turning on lower bracket 12, the other end rotation Ground is connected to the front of rear connecting frame 6;The one end of back link 8 is rotationally connected on rami posterior inferior frame 22, and the other end turns The rear portion of connection frame 5 before being connected to dynamicly.Wherein, preceding connection frame 5 is rotationally connect with rear connecting frame 6 by first axle a, preceding company Bar 7 is rotationally connect with rear connecting frame 6 by the second axis b, and back link 8 is rotationally connect with preceding connection frame 5 by third axis c, When stroller frame is in unfolded state, first axle a is located at along the longitudinal direction between the second axis b and third axis c.
On each side of stroller frame or so, supporting pole rack 4 is rotationally connect with upper rear support 21 by the 4th axis d, the 4th axis d In upper rear support 21 between upper rear support 21 and the rear portion of rear connecting frame 6 the 5th axis e of rotation axis top;Supporting pole rack 4 Top and the lower part of upper push-rod frame 31 rotationally connect by the 7th axis g, the 7th axis g and upper push-rod frame 31 and lower push-rod The 6th axis f of rotation connection axis between frame 32 is two axis that axial line is parallel to each other, and herein, the 6th axis f is in upper push-rod frame 31 The upper top positioned at the 7th axis g;The lower part of supporting pole rack 4 can either relatively rotate and can be along the length extension side of rear connecting frame 6 It is slidably connected on rear connecting frame 6 to opposite.
Specifically, in the present embodiment, front rail 100, the rami posterior inferior frame 22 of two sides are provided with before two sides between lower bracket 12 Between be provided with rear transverse rod 200;Preceding connection frame 5 has two antero-lateral rods for being divided into the left and right sides and extending along the longitudinal direction 52, and the front rod 51 extended between two antero-lateral rods 52 and in left-right direction, herein, front rod 51 and two front sides Bar 52 is wholely set the U-shaped bar facing forward in opening;Rear connecting frame 6, which has, to be divided into the left and right sides and extends along the longitudinal direction Two postero lateral arms 62, and the rear connecting rod 61 extended between two postero lateral arms 62 and in left-right direction.A left side for stroller frame On right each side, antero-lateral rod 52 is rotationally connect with postero lateral arm 62 around first axle a, and the front of antero-lateral rod 52 is connected to ipsilateral with turning On preceding upper bracket 11, the posterior rotation of postero lateral arm 62 it is connected in ipsilateral upper rear support 21.The lower part of the supporting pole rack 4 of every side It is rotationally connected with a sliding part 9, sliding part 9 is sliding sleeve herein, which slides along the length extending direction of postero lateral arm 62 Ground is set on postero lateral arm 62, and the sliding sleeve 9 is located at the rear of first axle a on postero lateral arm 62.
Front rod 7 is rotatably arranged between front rail 100 and rear connecting rod 61, cross after back link 8 is rotatably arranged at Between bar 200 and front rod 51, herein, the both ends of front rod 7 are respectively arranged with annular sleeve portion, make its difference rotationally It is set on front rail 100 and rear connecting rod 61 and directly around the axial line of front rail 100 or the axial line of rear connecting rod 61 Rotation;Similarly, the both ends of back link 8 are also respectively arranged with annulus, it is made rotationally to be set in rear transverse rod 200 respectively It is directly rotated around the axial line of the axial line of rear transverse rod 200 or front rod 51 on front rod 51.
Referring to shown in each attached drawing, which further includes the seat frame 10 being arranged along the longitudinal direction, a left side for stroller frame On right each side, it is connected on supporting pole rack 4 to the posterior rotation of seat frame 10, the front of seat frame 10 can be along length direction It is slidably connect relatively with lower push-rod frame 32, herein, the front of seat frame 10 is slidably arranged with sliding sleeve 20, and the sliding sleeve 20 is fixed Ground is connected on lower push-rod frame 32.
In the stroller frame of the present embodiment, locking mechanism include set on the top of preceding upper bracket 11, upper rear support 21 it is upper For by the main locking joint 40 of the opposite locking of three between portion and the lower part of lower push-rod frame 32, and be set to upper push-rod frame 31 with For the push rod of the opposite locking of the two to be locked joint 30 between lower push-rod frame 32, above-mentioned main locking joint 40 is closed with push rod locking Linkage of unlocking it is arranged between section 30, the unlock operating parts for unlocking push rod locking joint 30 is additionally provided on push-rod frame 3 50, herein, the setting of unlock operating parts 50 is at 3 top of push-rod frame.
When the stroller frame is locked in unfolded state, as shown in Figure 1 and Figure 2, fore-stock 1, after-poppet 2 and push-rod frame 3 are opposite Expansion is in specific elongation state between preceding upper bracket 11 and preceding lower bracket 12;Between upper rear support 21 and rami posterior inferior frame 22 In specific elongation state, preceding connection frame 5 and rear connecting frame 6 are supported on along the longitudinal direction between fore-stock 1 and after-poppet 2, seat The height of frame 10 is in higher position, meets requirement.Stroller frame is simple for structure, stablizes, and has good carrying Ability.
Shown in Figure 3 when needing to get up the stroller frame folding, operation unlock operating parts 50, which locks push rod, to close 30 unlock of section drives main 40 linkage of unlocking of locking joint, and upper push-rod frame 31 itself first shortens length and opposite lower push-rod frame 32 turns over Turn, and entire push-rod frame 30 is rearward overturn, so that supporting pole rack 4 is also turned over around the 4th axis d with respect to upper rear support 21, this Sample, the lower part of supporting pole rack 4 forward and move upwards, so that preceding connection frame 5 and rear connecting frame 6 rotate and gradually edge around first axle a Front-rear direction collapse, wherein the rear portion of preceding connection frame 5 moves upwards respectively with the front of rear connecting frame 6, drive front rod 7 and Back link 8 moves upwards;Then, under the action of front rod 7 and back link 8, preceding upper bracket 11 and preceding lower bracket 12, rami posterior superior Frame 21 is shunk along its length respectively with rami posterior inferior frame 22, and makes fore-stock 1 and after-poppet 2 synchronously shorten length, and preceding Bracket 1 is gradually drawn close along the longitudinal direction with after-poppet 2.
Stroller frame is finally folded as shown in figure 4, fore-stock 1, after-poppet 2, supporting pole rack 4, lower push-rod frame 32 and above pushing away Bridge 31 is mutually drawn close along the longitudinal direction, preceding connection frame 5, rear connecting frame 6, front rod 7 and back link 8 collapse fore-stock 1 with Between after-poppet 2, seat frame 10 is also collapsed between supporting pole rack 4 and lower push-rod frame 32.Close proximity between each rod piece, so that folding The structure of stroller frame is very compact under overlapping state.Under the folded state, front component 60 and wheel assembly 70 support jointly In ground, the upper end of upper push-rod frame 31 is not higher than the top of fore-stock 1 and after-poppet 2, and folded whole height dimension is non- Normal is small, is easy to carry about with one and stores.
Embodiment 2
Referring to Fig. 5 to children trolley shown in Fig. 8, the difference of stroller frame and embodiment 1 is essentially consisted in: in the present embodiment, Preceding connection frame 5 has the two groups of antero-lateral rods 52 for being divided into the left and right sides and extending along the longitudinal direction, and rear connecting frame 6, which has, to be set up separately The two groups of postero lateral arms 62 in the left and right sides and extended along the longitudinal direction, front rod 7 and back link 8, which all have, is divided into left and right two Two groups of side.On each side in the left and right of stroller frame, the middle part of antero-lateral rod 52 and postero lateral arm 62 is rotatablely connected, the front of antero-lateral rod 52 It is rotationally connected on ipsilateral preceding upper bracket 11, is connected to the posterior rotation of postero lateral arm 62 in ipsilateral upper rear support 21. The sliding part 9 of 4 lower part of supporting pole rack is slidably set on postero lateral arm 62.Before front rod 7 is rotationally connected on lower bracket 12 with after Between the front of side lever 62, back link 8 is rotationally connected on rami posterior inferior frame 22 between the rear portion of antero-lateral rod 52.The present embodiment In, it has also been fixedly disposed sliding sleeve cross bar 201 between two sides sliding sleeve 20, the lateral Auxiliary support of seat frame 10 is provided.
The folding principle of the stroller frame is similar with the folding principle of the stroller frame of embodiment 1, and details are not described herein again, folding The stroller frame of poststack is shown in Figure 8, and size is also very small.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (14)

1. a kind of children trolley, including with unfolded state and folded state stroller frame, be set to the stroller frame bottom before The front component in portion, the wheel assembly set on stroller frame bottom rear portion, and for the stroller frame to be locked in exhibition Locking mechanism under open state, it is characterised in that: the stroller frame includes:
Fore-stock, including along its length with respect to the preceding upper bracket of sliding extension and preceding lower bracket;
After-poppet, including along its length with respect to the upper rear support of sliding extension and rami posterior inferior frame;
Push-rod frame, the upper push-rod frame that the top including lower push-rod frame, lower part and the lower push-rod frame is rotatablely connected, it is described before on In the top of bracket, the top of the upper rear support and this three of the lower part of the lower push-rod frame, wherein both rotation connection and The third party rotationally connect or above-mentioned three is pivotally connected together with one of both aforementioned;
Connection frame component, including the preceding connection frame being respectively arranged along the longitudinal direction and rear connecting frame, the preceding connection frame with it is described Rear connecting frame mutually rotationally connects, and the front of the preceding connection frame is rotationally connected on the preceding upper bracket, connects after described It is connected in the upper rear support with connecing the posterior rotation of frame;
Front rod, the one end of the front rod are rotationally connected on the preceding lower bracket, and the other end rotationally connects In the front of the rear connecting frame;
Back link, the one end of the back link are rotationally connected on the rami posterior inferior frame, and the other end rotationally connects At the rear portion of the preceding connection frame;
Supporting pole rack, the supporting pole rack are rotationally connect with the upper rear support, the top of the supporting pole rack and the upper push-rod frame Lower rotational connection, the lower part of the supporting pole rack can either relatively rotate and can be along the length extension side of the rear connecting frame It is slidably connected on the rear connecting frame to opposite.
2. children trolley according to claim 1, it is characterised in that: when the stroller frame is in folded state, institute Push-rod frame and supporting pole rack overturning gathering are stated in the rear side of the after-poppet, the preceding connection frame is opposite with the rear connecting frame Folding is rotated, the fore-stock and the after-poppet are respectively shortened length and mutually collapse along the longitudinal direction.
3. children trolley according to claim 1, it is characterised in that: when the stroller frame folds, the preceding connection frame With the rear connecting frame relatively rotate and along the longitudinal direction mutually gathering, wherein the rear portion of the preceding connection frame with it is described after connect The front for connecing frame moves upwards respectively.
4. children trolley according to claim 1, it is characterised in that: the preceding connection frame and the rear connecting frame pass through the One axis rotationally connects, and the front rod and the rear connecting frame are rotationally connect by the second axis, the back link with it is described Preceding connection frame is rotationally connected by third axis, and the stroller frame is under unfolded state, and the first axle is along the longitudinal direction Between second axis and the third axis.
5. children trolley according to claim 1, it is characterised in that: the supporting pole rack is rotationally connected to by the 4th axis In the upper rear support, the rear portion of the rear connecting frame is rotationally connected in the upper rear support by the 5th axis, and described the Four axis are located at the top of the 5th axis in the upper rear support.
6. children trolley according to claim 1, it is characterised in that: the top of the upper push-rod frame is rotated by the 6th axis Ground is connected on the lower push-rod frame, and the top of the supporting pole rack by the lower rotational of the 7th axis and the lower push-rod frame connects It connects, two axis that the 6th axis and the 7th axis are parallel to each other for axial line.
7. children trolley according to claim 1, it is characterised in that: the stroller frame further includes being arranged along the longitudinal direction Seat frame, be connected on the supporting pole rack to the posterior rotation of the seat frame, the front of the seat frame can be along itself Length direction is slidably connect with the lower push-rod frame relatively.
8. children trolley according to claim 1, it is characterised in that: the top of the preceding upper bracket, the upper rear support Top and the lower part of the lower push-rod frame be pivotally connected together around same rotary centerline, the locking mechanism includes setting For three is opposite between the lower part on the top of the preceding upper bracket, the top of the upper rear support and the lower push-rod frame The main locking joint of locking, between the upper push-rod frame and lower push-rod frame for by the push rod locking pass of the opposite locking of the two Section is arranged to linkage of unlocking between the main locking joint and push rod locking joint, is additionally provided with use on the push-rod frame In the unlock operating parts for unlocking push rod locking joint.
9. children trolley according to claim 1, it is characterised in that: the front component is set to the bottom of the preceding lower bracket Portion, the wheel assembly are set to the bottom of the rami posterior inferior frame, when the stroller frame is in folded state, the front component It is supported in ground jointly with the wheel assembly, the upper end of the upper push-rod frame is not higher than the fore-stock and the after-poppet Top.
10. children trolley according to any one of claims 1 to 9, it is characterised in that: the stroller frame includes being divided into Two groups of side stands of the left and right sides, the side stand of every side include fore-stock, after-poppet, push-rod frame and the strut Frame, the preceding connection frame, rear connecting frame, front rod and back link setting are between the side stand described in two groups.
11. children trolley according to claim 10, it is characterised in that: the preceding connection frame, which has, is divided into the left and right sides And two antero-lateral rods extended along the longitudinal direction, the rear connecting frame, which has, to be divided into the left and right sides and prolongs along the longitudinal direction Two postero lateral arms stretched, on each side in the left and right of the stroller frame, the antero-lateral rod is rotationally connect with the postero lateral arm, described The front of antero-lateral rod is rotationally connected on the ipsilateral preceding upper bracket, is connected to the posterior rotation of the postero lateral arm ipsilateral The upper rear support on.
12. children trolley according to claim 11, it is characterised in that: the front rod, the back link all have point On two groups of the left and right sides, each side in the left and right of the stroller frame, the front rod is rotationally connected to the front lower branch Between frame and the front of the postero lateral arm, the back link is rotationally connected to the rear portion of the rami posterior inferior frame and the antero-lateral rod Between.
13. children trolley according to claim 11, it is characterised in that: the preceding connection frame also has to be prolonged in left-right direction The front rod stretched and be located between the two antero-lateral rod rear portions, the rear connecting frame, which also has, to be extended and is located in left-right direction Rear connecting rod between the two postero lateral arm fronts, is provided with front rail between preceding lower bracket described in two sides, two sides it is described after Rear transverse rod is provided between lower bracket, the front rod is rotatably arranged between the front rail and the rear connecting rod, The back link is rotatably arranged between the rear transverse rod and the front rod.
14. children trolley according to claim 11, it is characterised in that: the lower part of the supporting pole rack of every side is rotationally It is connected with a sliding part, the sliding part can slidably be set to the postero lateral arm along the length extending direction of the postero lateral arm On, and the sliding part is located at the rear of the antero-lateral rod and postero lateral arm rotation connection position on the postero lateral arm.
CN201910654139.0A 2019-07-19 2019-07-19 Children trolley Pending CN110481621A (en)

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CN201910654139.0A CN110481621A (en) 2019-07-19 2019-07-19 Children trolley

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CN201910654139.0A CN110481621A (en) 2019-07-19 2019-07-19 Children trolley

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CN110481621A true CN110481621A (en) 2019-11-22

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CN114104070A (en) * 2021-11-08 2022-03-01 好孩子儿童用品有限公司 Double children's barrow
WO2022121897A1 (en) * 2020-12-11 2022-06-16 好孩子儿童用品有限公司 Foldable cart

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WO2022121897A1 (en) * 2020-12-11 2022-06-16 好孩子儿童用品有限公司 Foldable cart
CN114104070A (en) * 2021-11-08 2022-03-01 好孩子儿童用品有限公司 Double children's barrow
CN114104070B (en) * 2021-11-08 2023-03-03 好孩子儿童用品有限公司 Double children's barrow

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