CN207875744U - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN207875744U CN207875744U CN201721930353.7U CN201721930353U CN207875744U CN 207875744 U CN207875744 U CN 207875744U CN 201721930353 U CN201721930353 U CN 201721930353U CN 207875744 U CN207875744 U CN 207875744U
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- China
- Prior art keywords
- seat frame
- installation position
- frame
- pivot part
- pivotal axis
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- 238000009434 installation Methods 0.000 claims abstract description 81
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
Abstract
A kind of children trolley, including stroller frame, front component, wheel assembly and the seat frame being set in stroller frame, stroller frame includes front-wheel support, rear wheel support, push rod and pivot part, the upper end of front-wheel support and/or the upper end of rear wheel support are connected to pivot part, the lower end of push rod is connected to pivot part, pivotal axis is provided on pivot part, the crank mechanism of pivot axis can be driven by being provided in stroller frame, seat frame is installed on pivot part and with can be around the first installation position of pivot axis and can not be around the second installation position of pivot axis, when seat frame is in the first installation position, seat frame can be around pivotal axis swing, when seat frame is in the second installation position, seat frame is fixed in stroller frame, and it can be rotated synchronously with the folding of stroller frame.Children trolley function using the above structure is more abundant, and convenient folding, reliability are high.
Description
Technical field
The present invention relates to a kind of children trolleys.
Background technology
Children trolley function in the prior art is more single, and installation site of the usual seat frame in stroller frame is not
Adjustable, the installation site of part stroller seat frame can be adjusted but folding is also more inconvenient.
Invention content
It is an object of the present invention to provide a kind of children trolleys.
The present invention is achieved by the following technical solutions：
A kind of children trolley, including stroller frame, front component, wheel assembly and the seat being set in the stroller frame
Position frame, the stroller frame includes front-wheel support, rear wheel support, push rod and pivot part, the upper end of the front-wheel support and/or institute
The upper end for stating rear wheel support is connected to pivot part, and the lower end of the push rod is connected to pivot part, pivot is provided on the pivot part
Shaft, the crank mechanism that can drive the pivot axis is provided in the stroller frame, and the seat frame is installed on described
On pivot part and with can around the first installation position of the pivot axis and can not around the pivot axis second installation
Position, when the seat frame is in the first installation position, the seat frame can be around the pivotal axis swing, when the seat frame
When in the second installation position, the seat frame is fixed in the stroller frame, and can be synchronized with the folding of the stroller frame
Rotation.
As the preferred embodiment of the present invention, further it is limited to：When the seat frame be in can not be around the pivot
When the second installation position of shaft rotation, when stroller frame folding, the seat frame was rotated synchronously with the rotation of push rod.
As the preferred embodiment of the present invention, further it is limited to：The upper end of the front-wheel support is connected to pivot
The lower end in portion, the push rod is connected to pivot part, and the maximum rotation angle of the push rod is more than when the seat frame is in first
Around the full swing angle of the pivotal axis when installation position.
As the preferred embodiment of the present invention, further it is limited to：The seat frame can be relative to the pivot
Portion moves up and down, and corresponding fit structure is provided between the seat frame and the pivot part, when seat frame relative to
The pivot part moves up and down to form the first installation position and the second installation position.
As the preferred embodiment of the present invention, further it is limited to：When the seat frame is in the first installation position,
Clamping matching structure is additionally provided between the pivotal axis and the seat frame keeps the seat frame same with the rotation of the pivotal axis
Step is swung, and when the seat frame is in the second installation position, the relative position of the seat frame and the pivot part is fixed.
As the preferred embodiment of the present invention, further it is limited to：The pivot part is additionally provided with moving block, the seat
Position sets up and is equipped with mounting bracket, offers mounting groove on the mounting bracket, the moving block be fixed on the pivotal axis and with institute
Pivotal axis synchronous rotation is stated, the moving block is connected on the mounting groove when the seat frame is in the first installation position.
As the preferred embodiment of the present invention, further it is limited to：The seat frame is provided with mounting bracket, the pivot
It is provided with pivot caps on transfer part, installation cavity is offered in the pivot caps, the seat frame is installed on institute by the mounting bracket
It states in installation cavity and can move up and down in the installation cavity to form the first installation position and the second installation position.
As the preferred embodiment of the present invention, further it is limited to：The mounting groove is equipped with the first screens portion, the
Two screens portions, when the seat frame is in the second installation position described in the second screens portion and the pivotal axis be clamped, and pass through limit
Position mechanism makes the seat frame and the pivot part secure fit, the moving block be detached from the mounting groove.
As the preferred embodiment of the present invention, further it is limited to：The moving block is equipped with clamping portion, and described
Clamping portion is combined into interference fit with matching for the mounting groove.
As the preferred embodiment of the present invention, further it is limited to：The position-limit mechanism is to be arranged in the pivot
Limit projection in portion and the screens projection being arranged on the mounting bracket, when the seat frame is in the second installation position described in
Screens projection is between the limit projection.
As the preferred embodiment of the present invention, further it is limited to：The pivot caps, which are equipped with, supplies the mounting bracket
On the hollow slots that move up and down of screens projection.
As the preferred embodiment of the present invention, further it is limited to：The seat frame at the first installation position with ground
The distance in face than the seat frame at the second installation position at a distance from ground it is small.
Compared with prior art, the present invention has the following advantages：
A kind of children trolley of the present invention, seat frame, which is installed on, to be had on pivot part and can be installed around the first of pivot axis
Position and can not be around the second installation position of pivot axis, when seat frame is in the first installation position, seat frame can be before and after pivotal axis
It swings, at this moment cart can make rocking chair use, and when seat frame is in the second installation position, seat frame is fixed in stroller frame, this
When cart normal use, and seat frame can be rotated synchronously with the rotation of push rod in stroller frame folding, be convenient for the receipts of cart
Folding.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the present invention.
Fig. 2 is the parts explosive view of the present invention.
Fig. 3 is the enlarged diagram in the pivot part region of the present invention.
Fig. 4 is the enlarged diagram in the seat frame region of the present invention.
Specific implementation mode
1 to Fig. 4 the invention will be further described below in conjunction with the accompanying drawings：
A kind of children trolley, including stroller frame 1, front component 2, wheel assembly 3 and the seat being set in stroller frame
Position frame 4, stroller frame 1 include front-wheel support 11, rear wheel support 12, push rod 13 and pivot part 14, the upper end of front-wheel support 11 and
The upper end of rear wheel support 12 is connected to pivot part 14, and the lower end of push rod 13 is connected to pivot part 14, and the folding of stroller frame 1 is similar
In design in the prior art, when needing cart folding, folding switch is pressed, push rod 13 can be around the connection of itself and pivot part 14
Position turns to folding position, and the folding mode of front-wheel support 11 and/or rear wheel support 12 is similar, and pivotal axis is provided on pivot part 14
141, the crank mechanism that pivotal axis 141 can be driven to rotate is provided in stroller frame 1, crank mechanism can be driven by electro-motor,
I.e. pivotal axis 141 is driven by crank mechanism by electro-motor, by the indirect drive of crank mechanism compared with by electro-motor
The realization of direct-drive overall structure is also more prone to.
It is provided with pivot caps 142 on pivot part 14, installation cavity is offered in pivot caps 142, pivot caps 142 are provided with axis hole
It is fixedly connected with pivotal axis 141, seat frame 4 is provided with mounting bracket 41, and mounting groove 411, mounting bracket 41 are offered on mounting bracket 41
Coordinated by mounting groove 411 and pivotal axis 141, seat frame 4 is installed in installation cavity by mounting bracket 41 and can be in installation cavity
It moves up and down to form the first installation position and the second installation position, by the setting of the first installation position and the second installation position, enriches
The height selection of seat position, at the same when this structure design makes seat frame 4 move up and down more meet body mechanics, operation is lighter
Pine, and terminal with compact integral structure and it is compact, art technology person is appreciated that mounting means of the mounting bracket 41 on vehicle frame 1 has
It is a variety of, it also can similarly realize that seat frame 4 moves up and down, if seat frame 4 is equipped with installation cavity, vehicle frame 1 is equipped with matched
Holder, or be provided on pivotal axis 141 mounting bracket 41 of mounting groove and seat frame 4 and coordinate.
Further, mounting groove 411 is equipped with the first screens portion 412, the second screens portion 413, when seat frame 4 is in first
The first screens portion 412 is clamped with pivotal axis 141 when installation position, when seat frame 4 be in the second installation position the second screens portion 413 and
Pivotal axis 141 is clamped, and by the cooperation of pivotal axis 141 and mounting bracket 41, pivotal axis 141 provides support and positions seat frame 4
Effect so that seat frame 4 can be rotated at the first installation position or the second installation position on pivotal axis.
When seat frame 4 is in the first installation position, seat frame 4 is coordinated with pivotal axis 141 by snap-in structure so that seat
With the rotation synchronous hunting of pivotal axis 141, pivotal axis 141 driven by crank mechanism by electro-motor frame 4, and at this moment children push away
Vehicle can be used as rocking chair and play for children.
There are many forms for the snap-in structure of above-mentioned seat frame 4 and pivotal axis 141, including are directly clamped or are clamped indirectly,
In order to improve the cart reliability that seat frame rotates at the first installation position, it is preferred that pivot part 14 is additionally provided with moving block 145,
Moving block 145 is fixed on pivotal axis 141 and is rotated synchronously with pivotal axis 141, and the mounting portion 41 of seat frame 4 can pass through installation cavity
Match with moving block 145 and merge synchronous rotation, there are many fit forms of mounting portion 41 and moving block 145, it is preferred that works as seat frame
4 be in the first installation position when moving block 145 be connected on mounting groove 411 drive seat frame 4 around pivotal axis 141 with pivotal axis 141
Rotation synchronous hunting, mounting groove 411 leaves mouth, and to get over distant place width smaller, correspondingly rotates and is provided on block 145 and mounting groove
Compatible clamping portion 146 so that the clamping portion 146 on moving block 145 is combined into interference fit with matching for mounting groove 411, so that
Proper seat frame swings sensitiveer at the first installation position, and moving block 145, clamping portion 146 may be alternatively provided as rectangle or pros
The other shapes such as shape.
When seat frame 4 is in the second installation position, seat frame 4 is fixed in stroller frame 1, at this time seat frame 4 and pivot
Portion 14 is fixed by retaining structure secure fit, i.e. seat frame 4 and the relative position of pivot part 14, when 1 folding of stroller frame
Seat frame 4 is rotated synchronously with stroller frame 1, and design improves the convenience of cart folding through this structure, while making cart
There are many forms for the retaining structure secure fit of the volume smaller in folding state, seat frame 4 and pivot part 14, such as at seat
Installation cavity is set on frame 4, mounting bracket is set on pivot part 14, so that seat frame 4 is installed on pivot part 14, or
Above-mentioned mounting groove 411 is designed as mounting hole with pivot part 14 to coordinate, it is preferred that pivot part 14 is equipped with limit projection 143,
Mounting bracket 41 is equipped with screens projection 414, and when seat frame 4 is in the second installation position, screens projection 414 is in limit projection 143
Between, so that when folding stroller frame 1, drive the connection position of itself and pivot part 14 to rotate by rotating push-rod 13, to
Seat frame 4 is driven to be rotated synchronously with the rotation of push rod 13, i.e., seat frame 4 is also rotated synchronously and arrived when push rod 13 turns to folding position
Folding position improves the convenience of folding.
Art technology person will readily appreciate that, screens projection 414 and limit projection when seat frame 4 is in the first installation position
143 is non-interference, does not interfere with seat frame 4 and is swung around pivotal axis 141, additionally, due to pivotal axis 141 is passed by crank mechanism
Dynamic, when seat frame 4 is in the first installation position, seat frame 4 can not be by rotating folding, setting by the second installation position at this time
Meter, after seat frame 4 has been moved upwards up to the second installation position, if seat frame 4 and pivotal axis 141 at the first installation position by turning
Motion block 145 engage, then the clamping portion 146 of moving block 145 is detached from mounting groove 411 at this time, do not interfere with seat frame 4 rotation thus
Seat frame 4 is set smoothly to move to folding position.
When seat frame 4 is in the first installation position, presses seat switch 42 and drive the first screens portion 412, the second screens portion
413 are rotated away from mounting groove 411, to discharging when seat frame 4, to liter promotion 4 certain altitude of seat frame after press seat again
Bit switch 42 resets the first screens portion 412, the second screens portion 413 and rotates back into mounting groove 411, at this time the second screens portion 413 with
Pivotal axis 141 is clamped, seat frame 4 to the second installation position.
When seat frame 4 is in the second installation position, presses seat switch 42 and drive the first screens portion 412, the second screens portion
413 are rotated away from mounting groove 411, and seat frame 4 discharges, and move down seat frame 4, it is deeper that pivotal axis 141 sticks into mounting groove 411
Position, presses seat switch 42 and resets the first screens portion 412, the second screens portion 413 and rotate back into mounting groove 411, and at this time first
Screens portion 412 is clamped with pivotal axis 141, seat frame 4 to the first installation position.Seat frame 4 is set to move by moving down seat frame 4
It moves to the first installation position and is used to which cart can be used as rocking chair, seat frame 4 is from the ground closer to, seat frame 4 and pivotal axis 141 at this time
Cooperation it is more secured, to substantially increase reliability when cart is used as rocking chair.
Further, for the ease of the installation of seat frame 4, pivot caps 142 are equipped in the screens projection on mounting bracket
The hollow slots 144 of lower movement.
Further, the upper end of front-wheel support 11 is connected to pivot part 14, and the lower end of push rod 13 is connected to pivot part 14, pushes away
The maximum rotation angle of bar 13 is more than when seat frame 4 is in the first installation position around the full swing angle of pivotal axis 141, improves
Security reliability when cart is used as rocking chair.
Claims (12)
1. a kind of children trolley, including stroller frame (1), front component (2), wheel assembly (3) and it is set to the cart vehicle
Seat frame (4) on frame, the stroller frame (1) include front-wheel support (11), rear wheel support (12), push rod (13) and pivot part
(14), the upper end of the front-wheel support (11) and the upper end of the rear wheel support (12) are connected to pivot part (14), the push rod
(13) lower end is connected to pivot part (14), and pivotal axis (141), the stroller frame (1) are provided on the pivot part (14)
On be provided with can drive the pivotal axis (141) rotate crank mechanism, it is characterised in that：The seat frame (4) is installed on institute
It states on pivot part (14) and there is the first installation position and the second installation position, when the seat frame (4) is in the first installation position when institute
State seat frame (4) can with the rotation synchronous hunting of the pivotal axis (141), when the seat frame (4) is in the second installation position,
The seat frame (4) is fixed in the stroller frame (1), and can be rotated synchronously with the folding of the stroller frame (1).
2. a kind of children trolley according to claim 1, it is characterised in that：When the seat frame (4) is in the second installation
When position, when stroller frame (1) folding, the seat frame (4) rotated synchronously with the rotation of push rod (13).
3. a kind of children trolley according to claim 2, it is characterised in that：The upper end of the front-wheel support (11) is connected to
The lower end of pivot part (14), the push rod (13) is connected to pivot part (14), and the maximum rotation angle of the push rod (13) is more than
When the seat frame (4) is in the first installation position around the full swing angle of the pivotal axis (141).
4. a kind of children trolley according to claim 2, it is characterised in that：The seat frame (4) can be relative to described
Pivot part (14) moves up and down, and is provided with corresponding fit structure between the seat frame (4) and the pivot part (14),
When seat frame (4) is moved up and down relative to the pivot part (14) to the first installation position of formation and the second installation position.
5. a kind of children trolley according to claim 4, it is characterised in that：When the seat frame (4) is in the first installation
When position, clamping matching structure is additionally provided between the pivotal axis (141) and the seat frame (4) makes the seat frame (4) with institute
The rotation synchronous hunting for stating pivotal axis (141), when the seat frame (4) is in the second installation position, the seat frame (4) and institute
The relative position for stating pivot part (14) is fixed.
6. a kind of children trolley according to claim 5, it is characterised in that：The pivot part (14) is additionally provided with moving block
(145), the seat frame (4) is provided with mounting bracket (41), offers mounting groove (411) on the mounting bracket (41), described turn
Motion block (145) is fixed on the pivotal axis (141) and is rotated synchronously with the pivotal axis (141), at the seat frame (4)
The moving block (145) is connected on the mounting groove (411) when the first installation position.
7. a kind of children trolley according to claim 5, it is characterised in that：The seat frame (4) is provided with mounting bracket
(41), it is provided with pivot caps (142) on the pivot part (14), installation cavity, the seat are offered on the pivot caps (142)
Frame (4) is installed on by the mounting bracket (41) in the installation cavity and can move up and down to be formed the in the installation cavity
One installation position and the second installation position.
8. a kind of children trolley according to claim 6, it is characterised in that：The mounting groove (411) is equipped with the first card
Position portion (412), the second screens portion (413), when the seat frame (4) is in the second installation position described in the second screens portion (413)
It is clamped with the pivotal axis (141), and the seat frame (4) and the pivot part (14) secure fit is made by position-limit mechanism,
The moving block (145) is detached from the mounting groove (411).
9. a kind of children trolley according to claim 6, it is characterised in that：The moving block (145) is equipped with clamping portion
(146), and the clamping portion (146) are combined into interference fit with matching for the mounting groove (411).
10. a kind of children trolley according to claim 8, it is characterised in that：The position-limit mechanism is to be arranged in the pivot
The screens projection (414) of limit projection (143) and setting on the mounting bracket (41) on transfer part (14), when the seat frame
(4) the screens projection (414) is between the limit projection (143) when being in the second installation position.
11. a kind of children trolley according to claim 8, it is characterised in that：The pivot caps (142) are equipped with described in confession
The hollow slots (144) that screens projection (414) on mounting bracket moves up and down.
12. a kind of children trolley according to any one of claims 1 to 11, it is characterised in that：The seat frame (4) is first
It is smaller at a distance from ground at the second installation position than the seat frame (4) at a distance from ground when installation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721930353.7U CN207875744U (en) | 2017-12-10 | 2017-12-10 | A kind of children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721930353.7U CN207875744U (en) | 2017-12-10 | 2017-12-10 | A kind of children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207875744U true CN207875744U (en) | 2018-09-18 |
Family
ID=63505533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721930353.7U Expired - Fee Related CN207875744U (en) | 2017-12-10 | 2017-12-10 | A kind of children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207875744U (en) |
-
2017
- 2017-12-10 CN CN201721930353.7U patent/CN207875744U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |