CN206384000U - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
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- CN206384000U CN206384000U CN201621369119.7U CN201621369119U CN206384000U CN 206384000 U CN206384000 U CN 206384000U CN 201621369119 U CN201621369119 U CN 201621369119U CN 206384000 U CN206384000 U CN 206384000U
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- bar
- connecting rod
- poppet
- main supporting
- connection
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Abstract
The utility model is related to a kind of children trolley.The vehicle frame of children trolley includes two side stands, the bottom bracing frame for being arranged on two side stand bottoms and the back pole-bracket for being arranged on two side stand rear portions set in left-right direction, side stand includes fore-stock, seat post, after-poppet and push rod, seat post is rotated with fore-stock and is connected, push rod is rotated with fore-stock and after-poppet and is connected, and after-poppet is rotated with seat post and is connected；Bottom bracing frame is rotated with front component and seat post and is connected, and bottom bracing frame can deploy and shrink along the fore-and-aft direction of vehicle frame；Back pole-bracket rotates with two after-poppets be connected respectively, and back pole-bracket can deploy and shrink along the left and right directions of vehicle frame.Vehicle frame mutually draws close folding in left and right directions, above-below direction when children trolley described in the utility model is folded, children trolley small volume after folding, easy to carry and transport, the children trolley Stability Analysis of Structures after expansion, the building block of side stand is few so that vehicle vehicle frame it is simple for structure light and handy.
Description
Technical field
The utility model is related to a kind of children trolley.
Background technology
At present, it is less using the children trolley of three-wheel in children trolley, and existing children trolley folding mode compared with
To be single, the fore-and-aft direction folding along vehicle frame is only capable of mostly.The volume that the left and right directions of children trolley after folding takes is still
It is larger.And three wheel relative positions of the children trolley of existing three-wheel are fixed, folding behaviour so is carried out to children trolley
The volume for making Rear frame in fore-and-aft direction, left and right directions is still larger, perplexs to the carrying conveyer belt of user.
Utility model content
The technical problems to be solved in the utility model is to provide the youngster occupied little space after a kind of light and handy, folding simple for structure
Virgin stroller.
In order to solve the above-mentioned technical problem, a kind of technical scheme of the utility model use is：A kind of children trolley, including
Vehicle frame with deployed condition and folded state, the front component for being arranged on vehicle frame lower front portion, set up separately in vehicle frame lower rear
Two wheel assemblies of the left and right sides.The vehicle frame include set in left-right direction two side stands, be arranged on two it is collateral
The bottom bracing frame of frame bottom and the back pole-bracket for being arranged on two side stand rear portions,
The side stand includes the seat of fore-stock, rear portion and wheel assembly rotation connection that bottom is connected with front component
Bar, after-poppet and push rod, the front portion of the seat post is rotated with fore-stock to be connected, the bottom of the push rod and the top of fore-stock
Connection is rotated, the top of the after-poppet is rotated with push rod to be connected, the bottom of the after-poppet is rotated with seat post to be connected；
The front portion of the bottom bracing frame is rotated with front component to be connected, and the rear portion of the bottom bracing frame is rotated with seat post to be connected,
The bottom bracing frame can deploy and contraction along before and after vehicle frame with left and right directions；
The back pole-bracket, which is located between two after-poppets and rotated respectively with two after-poppets, to be connected, and the back pole-bracket can
Along the left and right directions expansion and contraction of vehicle frame；
When vehicle frame is in deployed condition, the front component and wheel assembly are mutually drawn close along the longitudinal direction, after two
It is located remotely from each other in left-right direction between wheel assembly, the bottom bracing frame shrinks along the longitudinal direction, and the fore-stock and seat post are the bottom of at
Moved upwards under the drive of support, the back pole-bracket deploys in left-right direction, two after-poppets are left in the drive lower edge of back pole-bracket
Right direction is located remotely from each other outside expansion, and the push rod stretches upwards support and stood in above fore-stock and after-poppet；When vehicle frame is in folding
Overlapping state, the front component and wheel assembly are located remotely from each other along the longitudinal direction, phase in left-right direction between two wheel assemblies
Mutually draw close, the bottom bracing frame deploys along the longitudinal direction, the fore-stock and seat post are moved downward under the drive of bottom bracing frame, institute
State back pole-bracket to shrink in left-right direction, two after-poppets are mutually drawn close in left-right direction under the drive of back pole-bracket, the push rod
Rotate forward and drawn close with fore-stock, the after-poppet is rotated forward under the drive of push rod and drawn close with push rod.
Specifically, the bottom bracing frame includes the first bottom bar, the second bottom bar, the 3rd bottom bar and the 4th bottom bar, first bottom
The front portion of bar, the front portion of the second bottom bar and front component three are mutually rotated after connection, first bottom bar by a pivot
Portion is anterior pivotally connected with the 3rd bottom bar, and the rear portion of second bottom bar is anterior pivotally connected with the 4th bottom bar, and described
Three bottom bars and the 4th bottom bar intersect and are hinged in infall, the rear portion of the 3rd bottom bar and the seat post pivot on right side
Axle is connected, and the rear portion of the 4th bottom bar and the seat post in left side are pivotally connected, first bottom bar, the second bottom bar, the 3rd bottom
Bar and the 4th bottom bar constitute quadric chain.
Further, between the 3rd bottom bar and the seat post on right side and between the 4th bottom bar and the seat post in left side
Connected respectively by a connection piece, the L-shaped bending structure of the connector, the upper hem of the seat post and connector is rotated
The lower hem of connection, the bottom bar of the 3rd bottom bar/the 4th and connector, which is rotated, to be connected.
Specifically, the front portion of the fore-stock and front component mutually rotate connection, the fore-stock can not only above and below
Rotate can also opposing front wheels component into vehicle frame/vehicle frame outside rotate.
It is preferred that, the back pole-bracket include main supporting rod, the sliding part being slidably disposed on main supporting rod, first connecting rod,
Second connecting rod, third connecting rod and fourth link, the main supporting rod are parallel to each other with after-poppet, and the sliding part can be along main supporting rod
Bearing of trend slide up and down, the first connecting rod and second connecting rod set up separately in the main supporting rod left and right sides, the first connecting rod
Top and the top of second connecting rod rotate with sliding part be connected respectively, and the third connecting rod and fourth link set up separately on a main supporting rod left side
Right both sides, the top of the third connecting rod and the top of fourth link are connected with the lower rotational of main supporting rod respectively, and described first
The after-poppet of the bottom of connecting rod, the bottom of third connecting rod and left side mutually rotates connection by a pivot, the second connecting rod
The after-poppet of bottom, the bottom of fourth link and right side mutually rotates connection, the first connecting rod, third connecting rod by a pivot
The triangle three-link mechanism with main supporting rod, the second connecting rod, fourth link and main supporting rod also triangle three
Linkage.
Further, the back pole-bracket also includes setting up the 5th connecting rod and six-bar linkage in the main supporting rod left and right sides, institute separately
The top three for stating the top, the top of six-bar linkage and main supporting rod of the 5th connecting rod mutually rotates connection by a pivot, described
The bottom of 5th connecting rod and the after-poppet in left side, which are rotated, to be connected, and the bottom of the six-bar linkage and the after-poppet on right side are rotated and connected
Connect, the third connecting rod, the 5th connecting rod, main supporting rod and the after-poppet in left side constitute the quadric chain of quadrangle, the described 4th
Connecting rod, six-bar linkage, main supporting rod and the after-poppet on right side also constitute the quadric chain of quadrangle.
Specifically, locking mechanism is provided between the sliding part and main supporting rod, when locking mechanism is in the lock state,
The sliding part interfixes with main supporting rod；When locking mechanism is in released state, the sliding part can be on main supporting rod
Slidably.
Specifically, the bottom of the main supporting rod is fixedly installed a pedal part, the pedal part is to rear projection in main supporting rod
On, kick to transport persons or goods by cart upwards and pedal part and can shrink back pole-bracket, back pole-bracket can be deployed by presser feet is pedaled downwards pedaling part.
It is preferred that, the after-poppet includes upper rack posts and lower fulcrum bar, and the top of the upper rack posts is rotated with push rod to be connected, institute
The bottom for stating lower fulcrum bar is connected with seat post rotation, and the top of the lower fulcrum bar has hollow tube chamber, the upper rack posts insertion
It can slide up and down in the tube chamber of lower fulcrum bar and in tube chamber, spring, the top of the spring be also arranged with the upper rack posts
Offseted with upper rack posts, bottom and the lower fulcrum bar of the spring offset, when upper rack posts are slided up and down in the tube chamber of lower fulcrum bar, institute
Spring is stated to stretch with the slip of upper rack posts.
It is preferred that, the vehicle frame also includes the backrest module being arranged between two seat posts, and the backrest module includes
The right back support bar that rotate left back support bar be connected with the seat post in left side, is connected with the seat post rotation on right side, seven-link assembly, the
Eight connecting rods, the 9th connecting rod and the tenth connecting rod, the top of the seven-link assembly rotate with the top of the 9th connecting rod and are connected, and the described 7th
The bottom of connecting rod rotates with left back support bar and is connected, and the top of the 8th connecting rod rotates with the top of the tenth connecting rod and is connected, described
The bottom of 8th connecting rod rotates with right back support bar and is connected, and the 9th connecting rod and the tenth connecting rod intersect and mutual in infall
It is hinged, the bottom of the 9th connecting rod is rotated with right back support bar to be connected, the bottom of the tenth connecting rod is rotated with left back support bar to be connected
Connect.
It is referred to above arrive it is inside and outside up and down all around wait the noun of locality, be to make when the children trolley normal is used
User observe around, above-below direction is defined.
Scope of the present utility model, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, while
Other technical schemes as formed by being combined above-mentioned technical characteristic or its equivalent feature should be covered.Such as features described above
Technical scheme etc. formed by replacement mutually is carried out with the technical characteristic with similar functions disclosed herein.
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：Using can left and right
Expansion and shrink back pole-bracket, two side stands can be driven to deploy and draw in left-right direction, using can before and after expansion and receive
The bottom bracing frame of contracting, can drive two side stands to deploy and draw in left-right direction, push rod, fore-stock, seat post in side stand
Cause vehicle frame in folding process with the bar linkage structure of after-poppet, side stand, fore-stock, seat post and after-poppet relative can turn
It is dynamic to draw close folding.Vehicle frame mutually draws close receipts in left and right directions, above-below direction when children trolley described in the utility model is folded
Folding, the children trolley small volume after folding is easy to carry and transport, the children trolley Stability Analysis of Structures after expansion, side stand
Building block is few so that vehicle vehicle frame it is simple for structure light and handy.
Brief description of the drawings
Fig. 1 is front view when the utility model children trolley is in deployed condition；
Fig. 2 is front view when the utility model children trolley is folded；
Fig. 3 is top view when the utility model children trolley is folded；
Fig. 4 is dimensional structure diagram when the utility model children trolley is folded；
Fig. 5 is the disassembly diagram of the utility model children trolley；
Fig. 6 is front view when the utility model children trolley is in folded state；
Wherein：1st, fore-stock；2 seat posts；3rd, after-poppet；4th, push rod；5th, bottom bracing frame；6th, back pole-bracket；7th, connector；8th, it is left
Back support bar；9th, right back support bar；10th, backrest module；31st, upper rack posts；32nd, lower fulcrum bar；33rd, spring；51st, the first bottom bar；52nd, second
Bottom bar；53rd, the 3rd bottom bar；54th, the 4th bottom bar；61st, main supporting rod；62nd, sliding part；63rd, pedal part；101st, first connecting rod；102、
Second connecting rod；103rd, third connecting rod；104th, fourth link；105th, the 5th connecting rod；106th, six-bar linkage；107th, seven-link assembly；
108th, the 8th connecting rod；109th, the 9th connecting rod；110th, the tenth connecting rod；200th, front component；300th, wheel assembly.
Embodiment
As shown in Figures 1 to 6, a kind of children trolley described in the utility model, including with deployed condition and rugosity
The vehicle frame of state, the front component 200 for being arranged on vehicle frame lower front portion, set up two trailing wheels in the vehicle frame lower rear left and right sides separately
Component 300.Two side stands that the vehicle frame includes setting in left-right direction, it is arranged on the bottom bracing framves 5 of two side stand bottoms
With the back pole-bracket 6 for being arranged on two side stand rear portions.
The side stand includes bottom and rotates the fore-stock 1 being connected, seat post 2, after-poppet 3 with front component 200 and push away
Bar 4.In the present embodiment, the fore-stock 1 can not only rotate upwardly and downwardly can also opposing front wheels component 200 into vehicle frame/vehicle frame
It is outer to rotate.
The seat post 2 is in that the arc bent downwards is shaft-like, and front portion and the fore-stock 1 of the seat post 2 are turned by pivot
Dynamic connection, its rear portion rotates with wheel assembly 300 and is connected.The bottom of the push rod 4 rotates with the top of fore-stock 1 and is connected, institute
The top for stating after-poppet 3 is connected with the rotation of push rod 4, and the bottom of the after-poppet 3 is rotated with seat post 2 to be connected.The fore-stock
1st, seat post 2, after-poppet 3 and push rod 4 constitute quadric chain.Wherein, the after-poppet 3 includes upper rack posts 31 and lower fulcrum bar
32.The top of the upper rack posts 31 is rotated with push rod 4 and is connected, and the bottom of the lower fulcrum bar 32 is rotated with seat post 2 to be connected, described
The top of lower fulcrum bar 32 has a hollow tube chamber, the upper rack posts 31 be inserted in the tube chamber of lower fulcrum bar 32 and can be in tube chamber on
Spring 33 is also arranged with lower slider, the upper rack posts 31, top and the upper rack posts 31 of the spring 33 offset, the spring 33
Bottom offseted with lower fulcrum bar 32, when upper rack posts 31 are slided up and down in the tube chamber of lower fulcrum bar 32, the spring 33 is with upper branch
The slip of bar 31 and stretch.So, after-poppet 3 can form anti-vibration structure so that children trolley shake in use it is small,
Operation is gentle, greatly improves the comfortableness that children are sitting in children trolley.
The front portion of the bottom bracing frame 5 is rotated with front component 200 to be connected, and rear portion and the seat post 2 of the bottom bracing frame 5 are rotated
Connection, the bottom bracing frame 5 can deploy and contraction along before and after vehicle frame with left and right directions.Specifically, the bottom bracing frame 5 includes
First bottom bar 51, the second bottom bar 52, the 3rd bottom bar 53 and the 4th bottom bar 54.The front portion of first bottom bar 51, the second bottom bar 52
Front portion and the three of front component 200 connection is mutually rotated by a pivot, the bottom bar 52 of the first bottom bar 51 and second is only capable of
Direction into vehicle frame and outside vehicle frame is rotated.The rear portion of first bottom bar 51 anterior pivotally connected, institute with the 3rd bottom bar 53
State the rear portion of the second bottom bar 52 and anterior pivotally connected, the 3rd bottom bar 53 and the 4th mutually friendship of bottom bar 54 of the 4th bottom bar 54
Pitch and be hinged in infall, the rear portion of the 3rd bottom bar 53 and the seat post 2 on right side are pivotally connected, the 4th bottom bar
54 rear portion and the seat post 2 in left side are pivotally connected, first bottom bar 51, the second bottom bar 52, the 3rd bottom bar 53 and the 4th bottom
Bar 54 constitutes quadric chain.
In the present embodiment, between the 3rd bottom bar 53 and the seat post 2 on right side and the 4th bottom bar 54 and the seat in left side
Connected respectively by a connection piece 7 between the bar 2 of position.The L-shaped bending structure of the connector 7, the seat post 2 and connector
7 upper hem passes through pivot by pivoting connection, the lower hem of the bottom bar 54 of the 3rd bottom bar 53/ the 4th and connector 7
Rotate connection.
The back pole-bracket 6, which is located between two after-poppets 3 and rotated respectively with two after-poppets 3, to be connected, the back pole-bracket 6
It can deploy and shrink along the left and right directions of vehicle frame.Specifically, the back pole-bracket 6 includes main supporting rod 61, is mounted slidably
Sliding part 62, first connecting rod 101, second connecting rod 102, third connecting rod 103, fourth link the 104, the 5th on main supporting rod 61 connect
Bar 105 and six-bar linkage 106.The main supporting rod 61 is parallel to each other with after-poppet 3, and the sliding part 62 is set on main supporting rod 61
And can be slided up and down along the bearing of trend of main supporting rod 61.The first connecting rod 101 and second connecting rod 102 set up separately in main supporting rod 61
The left and right sides, the top of the first connecting rod 101 and the top of second connecting rod 102 rotate with sliding part 62 be connected respectively.It is described
Third connecting rod 103 and fourth link 104 set up separately in the left and right sides of main supporting rod 61, and the top of the third connecting rod 103 and the 4th connects
Lower rotational of the top of bar 104 respectively with main supporting rod 61 is connected.Under the bottom of the first connecting rod 101, third connecting rod 103
The after-poppet 3 in portion and left side mutually rotates connection by a pivot.Under the bottom of the second connecting rod 102, fourth link 104
The after-poppet 3 on portion and right side mutually rotates connection by a pivot.The first connecting rod 101, third connecting rod 103 and main supporting rod 61
Triangle three-link mechanism, the second connecting rod 102, fourth link 104 and main supporting rod 61 also triangle three
Linkage.The three-link mechanism of triangle ensure that Stability Analysis of Structures of the vehicle frame in expansion and folding.
5th connecting rod 105 and six-bar linkage 106 set up separately in the left and right sides of main supporting rod 61.5th connecting rod 105
The top three on top, the top of six-bar linkage 106 and main supporting rod 61 mutually rotates connection, the 5th connecting rod by a pivot
105 bottom and the after-poppet 3 in left side, which are rotated, to be connected, and the bottom of the six-bar linkage 106 and the after-poppet 3 on right side are rotated and connected
Connect, the third connecting rod 103, the 5th connecting rod 105, main supporting rod 61 and the after-poppet 3 in left side constitute the quadric chain of quadrangle,
The fourth link 104, six-bar linkage 106, main supporting rod 61 and the after-poppet 3 on right side also constitute the quadric chain of quadrangle.
So, two quadric chains ensure that the structural strength and stability of back pole-bracket 6.
Locking mechanism is provided between the sliding part 62 and main supporting rod 61（It is not shown）, when locking mechanism is in locking shape
During state, the sliding part 62 interfixes with main supporting rod 61；When locking mechanism is in released state, the sliding part 62 can
On main supporting rod 61 slidably.Vehicle frame can be locked in deployed condition by the locking mechanism.
The bottom of the main supporting rod 61 is fixedly installed a pedal part 63, and the pedal part 63 is to rear projection in main supporting rod 61
On, kick to transport persons or goods by cart upwards and pedal part 63 and can shrink back pole-bracket 6, presser feet is pedaled downwards pedaling part 63 can deploy back pole-bracket 6.
In addition, the vehicle frame also includes the backrest module 10 being arranged between two seat posts 2.The backrest module 10 is wrapped
Include and rotate the left back support bar 8 being connected with the seat post 2 in left side, rotate the right back support bar the 9, the 7th being connected with the seat post 2 on right side
Connecting rod 107, the 8th connecting rod 108, the 9th connecting rod 109 and the tenth connecting rod 110.The top of the seven-link assembly 107 and the 9th connecting rod
109 top rotates connection, and the bottom of the seven-link assembly 107 rotates with left back support bar 8 and is connected.8th connecting rod 108
Top is rotated with the top of the tenth connecting rod 110 and is connected, and the bottom of the 8th connecting rod 108 is rotated with right back support bar 9 to be connected.It is described
9th connecting rod 109 and the tenth connecting rod 110 intersect and are hinged in infall, bottom and the right side of the 9th connecting rod 109
Back support bar 9 rotates connection, and the bottom of the tenth connecting rod 110 is rotated with left back support bar 8 to be connected.The backrest module 10 being capable of edge
The expansion and gathering of the left and right directions of vehicle frame.
When vehicle frame is in deployed condition, the front component 200 and wheel assembly 300 are close to each other along the longitudinal direction,
It is located remotely from each other in left-right direction between two wheel assemblies 300.The line of front component 200 and two wheel assemblies 300 is in one
Isosceles triangle.The bottom bracing frame 5 shrinks along the longitudinal direction, i.e., the described bottom bar 52 of first bottom bar 51 and second is in herringbone exhibition
Open, the 3rd bottom bar 53 and the 4th bottom bar 54 are driven expansion, the Distance Shortened of the overall fore-and-aft direction of bottom bracing frame 5, left and right
Distance increase.Motion is remote with bottom bracing frame 5 upwards under the drive of bottom bracing frame 5 for the fore-stock 1 and seat post 2.The back brace
Frame 6 deploys in left-right direction, and two after-poppets 3 are located remotely from each other outside expansion in left-right direction under the drive of back pole-bracket 6, described
Locking mechanism is in the lock state, and the push rod 4 stretches upwards support and stands in fore-stock 1 and the top of after-poppet 3.The backrest module
10 also deploy in left-right direction, and left back support bar 8 and right back support bar 9 are tiltedly stood in two seat posts 2.
When vehicle frame is in folded state, the front component 200 and wheel assembly 300 are located remotely from each other along the longitudinal direction, and two
Mutually drawn close in left-right direction between individual wheel assembly 300.The bottom bracing frame 5 deploys along the longitudinal direction, i.e., described first bottom bar
51 and second bottom bar 52 inwardly rotate and mutually draw close, the 3rd bottom bar 53 and the 4th bottom bar 54 are driven rotation and mutually leaned on
Hold together, the distance elongation of the overall fore-and-aft direction of bottom bracing frame 5.The fore-stock 1 and seat post 2 are downward under the drive of bottom bracing frame 5
Motion is drawn close with bottom bracing frame 5.The back pole-bracket 6 shrinks in left-right direction, and two after-poppets 3 are left in the drive lower edge of back pole-bracket 6
Right direction is mutually drawn close, and the push rod 4 rotates drawn close with fore-stock 1 forward, the after-poppet 3 under the drive of push rod 4 forward
Rotation is drawn close with push rod 4.
When children trolley under deployed condition is folded, locking mechanism is unlocked first, kicks to transport persons or goods by cart upwards and pedals part 63, main brace
Bar 61 is moved upwards, and first connecting rod 101 to six-bar linkage 106 is rotated down, and then two after-poppets 3 are pulled and mutually leaned on
Hold together, push rod 4 promoted forward, push rod 4 rotates drawn close with fore-stock 1 forward, fore-stock 1 is rotated down, at the same two fore-stocks 1 to
Interior rotation is drawn close.Seat post 2 is rotated down with fore-stock 1 and drawn close with bottom bracing frame 5, while two seat posts 2 are with two after-poppets 3
Mutually draw close.After-poppet 3 is rotated forward under the drive of push rod 4.The bottom bracing frame 5 is moved under the drive of two seat posts 2,
First bottom bar 51 and the second bottom bar 52 are mutually drawn close, and the 3rd bottom bar 53 and the 4th bottom bar 54 are mutually drawn close, front component 200
Travel forward.Another left back support bar 8 and right back support bar 9 are mutually drawn close under the drive of two seat posts 2.Final bottom bracing frame 5, preceding branch
Frame 1, seat post 2, push rod 4 and after-poppet 3 mutually draw close the side on the ground that lies low, and children trolley completes to fold.
When the children trolley of folded state is opened, push rod 4 is lifted up first, fore-stock 1, seat post 2 are driven
It is rotated up, after-poppet 3, which is also driven, to rotate backward so that side stand deploys.Pedal part 63 is trampled downwards, main supporting rod 61 is downward
Motion, first connecting rod 101 to six-bar linkage 106 is rotated up, and then two after-poppets 3 are pulled before mutual expansion, two
Support 1 is turned out, and two wheel assemblies 300 are located remotely from each other expansion, and front component 200 is moved backward, the 3rd bottom bar 53
With the 4th mutually expansion of bottom bar 54, the first bottom bar 51 and the second bottom bar 52 are driven mutual expansion, another left back support bar 8 and right backrest
Bar 9 is located remotely from each other expansion under the drive of two seat posts 2, and final children trolley completes to open.
In the utility model using can left and right expansion and shrink back pole-bracket 6, two side stands can be driven along right and left
To expansion and draw in, using can before and after expansion and shrink bottom bracing frame 5, can drive two side stands deploy in left-right direction and
Draw in, push rod 4 in side stand, fore-stock 1, the bar linkage structure of seat post 2 and after-poppet 3 cause vehicle frame in folding process, to push away
Bar 4, fore-stock 1, seat post 2 and after-poppet 3, which can be relatively rotated, draws close folding.Children trolley described in the utility model is folded
When vehicle frame mutually draw close folding in left and right directions, above-below direction, the children trolley small volume after folding is easy to carry and transported
Defeated, the children trolley Stability Analysis of Structures after expansion, the building block of side stand is few so that vehicle vehicle frame it is simple for structure light and handy.
As described above, we are illustrated fully according to objective of the present utility model, but the utility model not limits to
In above-described embodiment and implementation.The scope that the practitioner of correlative technology field can permit in technological thought of the present utility model
It is interior to carry out different changes and implementation.
Claims (10)
1. a kind of children trolley, including the vehicle frame with deployed condition and folded state, the front-wheel for being arranged on vehicle frame lower front portion
Component（200）, set up two wheel assemblies in the vehicle frame lower rear left and right sides separately（300）, it is characterised in that：The vehicle frame bag
Include two side stands set in left-right direction, be arranged on the bottom bracing frame of two side stand bottoms（5）It is collateral with being arranged on two
The back pole-bracket at frame rear portion（6）,
The side stand includes bottom and front component（200）The fore-stock of connection（1）, rear portion and wheel assembly（300）Rotate
The seat post of connection（2）, after-poppet（3）And push rod（4）, the seat post（2）Front portion and fore-stock（1）Rotate connection, institute
State push rod（4）Bottom and fore-stock（1）Top rotate connection, the after-poppet（3）Top and push rod（4）The company of rotation
Connect, the after-poppet（3）Bottom and seat post（2）Rotate connection；
The bottom bracing frame（5）Front portion and front component（200）Rotate connection, the bottom bracing frame（5）Rear portion and seat post（2）
Rotate connection, the bottom bracing frame（5）It can deploy along before and after vehicle frame with left and right directions and contraction；
The back pole-bracket（6）Positioned at two after-poppets（3）Between and respectively with two after-poppets（3）Rotate connection, the back brace
Frame（6）It can deploy and shrink along the left and right directions of vehicle frame；
When vehicle frame is in deployed condition, the front component（200）And wheel assembly（300）Mutually draw close along the longitudinal direction,
Two wheel assemblies（300）Between be located remotely from each other in left-right direction, the bottom bracing frame（5）Shrink along the longitudinal direction, the preceding branch
Frame（1）And seat post（2）In bottom bracing frame（5）Drive under move upwards, the back pole-bracket（6）Deploy in left-right direction, two
After-poppet（3）In back pole-bracket（6）Drive under be located remotely from each other outside expansion, the push rod in left-right direction（4）Stretch upwards support
Stand in fore-stock（1）And after-poppet（3）Top；
When vehicle frame is in folded state, the front component（200）And wheel assembly（300）It is located remotely from each other along the longitudinal direction, two
Individual wheel assembly（300）Between mutually draw close in left-right direction, the bottom bracing frame（5）Deploy along the longitudinal direction, the fore-stock
（1）And seat post（2）In bottom bracing frame（5）Drive under move downward, the back pole-bracket（6）Shrink in left-right direction, after two
Support（3）In back pole-bracket（6）Drive under mutually draw close in left-right direction, the push rod（4）Rotate forward and fore-stock（1）Lean on
Hold together, the after-poppet（3）In push rod（4）Drive under forward rotate and push rod（4）Draw close.
2. a kind of children trolley according to claim 1, it is characterised in that：The bottom bracing frame（5）Including the first bottom bar
（51）, the second bottom bar（52）, the 3rd bottom bar（53）With the 4th bottom bar（54）, first bottom bar（51）Front portion, the second bottom bar
（52）Front portion and front component（200）Three mutually rotates connection, first bottom bar by a pivot（51）Rear portion with
3rd bottom bar（53）Anterior pivotally connected, second bottom bar（52）Rear portion and the 4th bottom bar（54）Anterior pivot connect
Connect, the 3rd bottom bar（53）With the 4th bottom bar（54）Intersect and be hinged in infall, the 3rd bottom bar（53）
Rear portion and right side seat post（2）It is pivotally connected, the 4th bottom bar（54）Rear portion and left side seat post（2）Pivot connects
Connect, first bottom bar（51）, the second bottom bar（52）, the 3rd bottom bar（53）With the 4th bottom bar（54）Constitute quadric chain.
3. a kind of children trolley according to claim 2, it is characterised in that：3rd bottom bar（53）With the seat on right side
Bar（2）Between and the 4th bottom bar（54）With the seat post in left side（2）Between pass through a connection piece respectively（7）Connection, the company
Fitting（7）L-shaped bending structure, the seat post（2）With connector（7）Upper hem rotate connection, the 3rd bottom bar
（53）/ the four bottom bar（54）With connector（7）Lower hem rotate connection.
4. a kind of children trolley according to claim 1, it is characterised in that：The fore-stock（1）Front portion and front wheels
Part（200）Mutually rotate connection, the fore-stock（1）Can not only rotate upwardly and downwardly can also opposing front wheels component（200）To car
In frame/vehicle frame outside rotate.
5. a kind of children trolley according to claim 1, it is characterised in that：The back pole-bracket（6）Including main supporting rod（61）、
It is slidably disposed on main supporting rod（61）On sliding part（62）, first connecting rod（101）, second connecting rod（102）, third connecting rod
（103）And fourth link（104）, the main supporting rod（61）With after-poppet（3）It is parallel to each other, the sliding part（62）Can be along master
Strut（61）Bearing of trend slide up and down, the first connecting rod（101）And second connecting rod（102）Set up separately in main supporting rod（61）It is left
Right both sides, the first connecting rod（101）Top and second connecting rod（102）Top respectively with sliding part（62）Rotate connection,
The third connecting rod（103）And fourth link（104）Set up separately in main supporting rod（61）The left and right sides, the third connecting rod（103）'s
Top and fourth link（104）Top respectively with main supporting rod（61）Lower rotational connection, the first connecting rod（101）Under
Portion, third connecting rod（103）Bottom and left side after-poppet（3）Connection, the second connecting rod are mutually rotated by a pivot
（102）Bottom, fourth link（104）Bottom and right side after-poppet（3）Connection, described are mutually rotated by a pivot
One connecting rod（101）, third connecting rod（103）And main supporting rod（61）Triangle three-link mechanism, the second connecting rod
（102）, fourth link（104）And main supporting rod（61）Also triangle three-link mechanism.
6. a kind of children trolley according to claim 5, it is characterised in that：The back pole-bracket（6）Also include setting up separately in master
Strut（61）5th connecting rod of the left and right sides（105）With six-bar linkage（106）, the 5th connecting rod（105）Top, the 6th connect
Bar（106）Top and main supporting rod（61）Top three connection, the 5th connecting rod are mutually rotated by a pivot（105）'s
Bottom and the after-poppet in left side（3）Rotate connection, the six-bar linkage（106）Bottom and right side after-poppet（3）The company of rotation
Connect, the third connecting rod（103）, the 5th connecting rod（105）, main supporting rod（61）With the after-poppet in left side（3）Constitute the four of quadrangle
Linkage, the fourth link（104）, six-bar linkage（106）, main supporting rod（61）With the after-poppet on right side（3）Also four are constituted
The quadric chain of side shape.
7. a kind of children trolley according to claim 5, it is characterised in that：The sliding part（62）With main supporting rod（61）It
Between be provided with locking mechanism, when locking mechanism is in the lock state, the sliding part（62）With main supporting rod（61）Interfix；
When locking mechanism is in released state, the sliding part（62）Can be in main supporting rod（61）On slidably.
8. a kind of children trolley according to claim 5, it is characterised in that：The main supporting rod（61）Bottom be fixedly installed
There is a pedal part（63）, the pedal part（63）To rear projection in main supporting rod（61）On, kick to transport persons or goods by cart upwards and pedal part（63）It can make
Back pole-bracket（6）Shrink, presser feet is pedaled downwards and pedals part（63）Back pole-bracket can be made（6）Expansion.
9. a kind of children trolley according to claim 1, it is characterised in that：The after-poppet（3）Including upper rack posts（31）
And lower fulcrum bar（32）, the upper rack posts（31）Top and push rod（4）Rotate connection, the lower fulcrum bar（32）Bottom and seat
Bar（2）Rotate connection, the lower fulcrum bar（32）Top there is hollow tube chamber, the upper rack posts（31）It is inserted in lower fulcrum bar
（32）Tube chamber in and can be slided up and down in tube chamber, the upper rack posts（31）On be also arranged with spring（33）, the spring
（33）Top and upper rack posts（31）Offset, the spring（33）Bottom and lower fulcrum bar（32）Offset, work as upper rack posts（31）
Lower fulcrum bar（32）Tube chamber in when sliding up and down, the spring（33）With upper rack posts（31）Slip and stretch.
10. a kind of children trolley according to claim 1, it is characterised in that：The vehicle frame also includes being arranged on two seats
Position bar（2）Between backrest module（10）, the backrest module（10）Including the seat post with left side（2）The left side for rotating connection is leaned on
Carry on the back bar（8）And the seat post on right side（2）Rotate the right back support bar of connection（9）, seven-link assembly（107）, the 8th connecting rod（108）,
Nine connecting rods（109）With the tenth connecting rod（110）, the seven-link assembly（107）Top and the 9th connecting rod（109）Top rotate connect
Connect, the seven-link assembly（107）Bottom and left back support bar（8）Rotate connection, the 8th connecting rod（108）Top and the tenth
Connecting rod（110）Top rotate connection, the 8th connecting rod（108）Bottom and right back support bar（9）Rotate connection, the described 9th
Connecting rod（109）With the tenth connecting rod（110）Intersect and be hinged in infall, the 9th connecting rod（109）Bottom with
Right back support bar（9）Rotate connection, the tenth connecting rod（110）Bottom and left back support bar（8）Rotate connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621369119.7U CN206384000U (en) | 2016-12-14 | 2016-12-14 | A kind of children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621369119.7U CN206384000U (en) | 2016-12-14 | 2016-12-14 | A kind of children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206384000U true CN206384000U (en) | 2017-08-08 |
Family
ID=59487972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621369119.7U Withdrawn - After Issue CN206384000U (en) | 2016-12-14 | 2016-12-14 | A kind of children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206384000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515829A (en) * | 2016-12-14 | 2017-03-22 | 好孩子儿童用品有限公司 | Child stroller |
-
2016
- 2016-12-14 CN CN201621369119.7U patent/CN206384000U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515829A (en) * | 2016-12-14 | 2017-03-22 | 好孩子儿童用品有限公司 | Child stroller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170808 Effective date of abandoning: 20200901 |
|
| AV01 | Patent right actively abandoned |