CN204623534U - Children trolley - Google Patents
Children trolley Download PDFInfo
- Publication number
- CN204623534U CN204623534U CN201520224456.6U CN201520224456U CN204623534U CN 204623534 U CN204623534 U CN 204623534U CN 201520224456 U CN201520224456 U CN 201520224456U CN 204623534 U CN204623534 U CN 204623534U
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- rod
- push
- wheel support
- elastic component
- stroller frame
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- 230000000712 assembly Effects 0.000 claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 20
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- 230000000694 effects Effects 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a kind of children trolley, wherein stroller frame comprises front-wheel support, the rear wheel support that top is connected with the top phase pivot of front-wheel support, the slide assemblies be located on front-wheel support can be slided up and down to, front portion is pivotally connected on slide assemblies and back pivot is connected to the seat bar assembly on rear wheel support, the push-rod assembly that can slide up and down along the length bearing of trend of front-wheel support, front-wheel support is provided with the first elastic component for providing elastic-restoring force needed for push-rod assembly upward sliding, for providing the second elastic component of elastic-restoring force needed for slide assemblies slide downward, when stroller frame is in deployed condition, first elastic component opens and the second elastic component is compressed, when stroller frame is in folded state, second elastic component opens and the first elastic component is compressed, this children trolley also comprise for by stroller frame locking the first lockout mechanism in the deployed state, be used for stroller frame locking the second lockout mechanism in a folded configuration.
Description
Technical field
the utility model relates to a kind of children trolley.
Background technology
children trolley of the prior art, comprise there is deployed condition and folded state stroller frame, be located at wheel assembly bottom stroller frame, for by stroller frame locking lockout mechanism in the deployed state.Existing children trolley is of a great variety, and the number of stroller frame rod member is different, and the connection location between each rod member is also different, thus folding principle and folding mode are also different.At present, most go-cart all needs operator manually to go when folding or launch, and operation is inconvenience comparatively.
Summary of the invention
the purpose of this utility model is to provide a kind of folding and expansion children trolley all very easily.
for achieving the above object, the technical solution adopted in the utility model is: a kind of children trolley, comprise the stroller frame with deployed condition and folded state, be located at the wheel assembly bottom described stroller frame, described stroller frame comprises front-wheel support, the rear wheel support that top is connected with the top phase pivot of described front-wheel support, can slide up and down to be located at the slide assemblies on described front-wheel support, front portion is pivotally connected on described slide assemblies and back pivot is connected to the seat bar assembly on described rear wheel support, the push-rod assembly that can slide up and down along the length bearing of trend of described front-wheel support, described front-wheel support is provided with for providing described push-rod assembly along the first elastic component of elastic-restoring force needed for described front-wheel support upward sliding, for providing described slide assemblies along the second elastic component of elastic-restoring force needed for described front-wheel support slide downward, when described stroller frame is in deployed condition, described first elastic component opens and described second elastic component is compressed, when described stroller frame is in folded state, described second elastic component opens and described first elastic component is compressed, described children trolley also comprise for by described stroller frame locking the first lockout mechanism in the deployed state, be used for described stroller frame locking the second lockout mechanism in a folded configuration.
preferably, described front-wheel support comprises from front to back the front support rod of updip gradually, the lower end of described push-rod assembly is plugged in the bar chamber of described front support rod slidably, described first elastic component is the first spring be located in the bar chamber of described front support rod, conflicts in the lower end of described push-rod assembly in the upper end of described first spring.
further, described front-wheel support also comprises the pipe link being fixed on described front support rod top, and described second elastic component is the second spring be located in the bar chamber of described pipe link, and the lower end of described second spring is kept out on described slide assemblies.
further, the length bearing of trend of described pipe link and the length bearing of trend of described front support rod are parallel to each other.
further, described slide assemblies is be set in the slide bushing assembly on described front-wheel support, described slide bushing assembly comprises the first sliding sleeve be set on described front support rod, the second sliding sleeve be set on described pipe link, and described first sliding sleeve and the second sliding sleeve are wholely set.
further, described first lockout mechanism comprises the first locking piece be located at for both being locked between described slide bushing assembly and described push-rod assembly, described first locking piece comprises the lock pin be located on described first sliding sleeve, described front support rod offers and extends and the guide groove that can be slidably inserted into for described lock pin along its length direction, described push-rod assembly is provided with the position limiting structure glided along described push-rod assembly for limiting described lock pin.
as a kind of concrete embodiment, described push-rod assembly offers the position-limited trough that can insert for described lock pin, the lower groove face of described position-limited trough forms described position limiting structure.
preferably, described push-rod assembly comprises lower push-rod, the upper push-rod that can be arranged in slidably along the length bearing of trend of described lower push-rod in described lower push-rod bar chamber, be provided with the 3rd spring for providing elastic-restoring force needed for described upper push-rod upward sliding in the bar chamber of described lower push-rod, the upper end of described 3rd spring is kept out in the lower end of described upper push-rod.
preferably, described second lockout mechanism comprises the second locking piece be located at for both being locked between described push-rod assembly and described front-wheel support.
preferably, the rigidity of described first elastic component is greater than the rigidity of described second elastic component.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: children trolley of the present utility model, and wherein stroller frame only needs unlocked by the first lockout mechanism and press down the semi-automatic folding that push-rod assembly can realize stroller frame in the deployed state; Under stroller frame folded state, only need the second lockout mechanism to be unlocked the full automaticity that can realize stroller frame launch.This children trolley structure is simple, and folding and expansion operates all very convenient.
Accompanying drawing explanation
accompanying drawing 1 is the STRUCTURE DECOMPOSITION schematic diagram of children trolley of the present utility model;
accompanying drawing 2 is the front elevation under children trolley of the present utility model is in deployed condition;
accompanying drawing 3 is along A-A in Fig. 2 to sectional structure schematic diagram;
accompanying drawing 4 is along B-B in accompanying drawing 3 to sectional structure schematic diagram;
accompanying drawing 5 is C portion enlarged diagram in Fig. 4;
accompanying drawing 6 is the front elevation under children trolley of the present utility model is in semi-collapsed condition;
accompanying drawing 7 is along D-D in Fig. 6 to sectional structure schematic diagram;
accompanying drawing 8 is the front elevation under children trolley of the present utility model is in folded state;
accompanying drawing 9 is along E-E in Fig. 8 to sectional structure schematic diagram;
accompanying drawing 10 is along F-F in accompanying drawing 9 to sectional structure schematic diagram;
accompanying drawing 11 is G portion enlarged diagram in Figure 10;
wherein: 1, front-wheel support; 11, front support rod; 12, pipe link; 13, guide groove; 2, rear wheel support; 3, slide assemblies (slide bushing assembly); 31, the first sliding sleeve; 32, the second sliding sleeve; 4, seat bar assembly; 5, push-rod assembly; 51, lower push-rod; 52, upper push-rod; 53, position-limited trough; 54, position limiting structure; 6, the first elastic component (the first spring); 7, the second elastic component (the second spring); 8, the 3rd spring; 9, dead bolt; 20, front component; 30, wheel assembly.
Detailed description of the invention
below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further elaborated.
see shown in Fig. 1 to 11, a kind of children trolley, comprise there is deployed condition and folded state stroller frame, be located at wheel assembly bottom stroller frame.This stroller frame comprises front-wheel support 1, rear wheel support 2, slide assemblies 3, seat bar assembly 4 and push-rod assembly 5.Wheel assembly comprises the front component 20 be located at bottom front-wheel support 1 and the wheel assembly 30 be located at bottom rear wheel support 2.
the top of rear wheel support 2 is connected with the top phase pivot of front-wheel support 1, slide assemblies 3 can slide up and down to be located on front-wheel support 1, the front portion of seat bar assembly 4 is pivotally connected on slide assemblies 3, its rear portion is pivotally connected on rear wheel support 2, and push-rod assembly 5 can slide up and down to arrange along the length bearing of trend of front-wheel support 1.Front-wheel support 1 is provided with for providing push-rod assembly 5 along the first elastic component 6 of elastic-restoring force needed for front-wheel support 1 upward sliding, for providing slide assemblies 3 along the second elastic component 7 of elastic-restoring force needed for front-wheel support 1 slide downward.When stroller frame is in deployed condition, the first elastic component 6 opens and the second elastic component 7 is compressed; When stroller frame is in folded state, the second elastic component 7 opens and the first elastic component 6 is compressed.This children trolley also comprises for stroller frame being locked the first lockout mechanism in the deployed state and being used for stroller frame locking the second lockout mechanism in a folded configuration.
shown in each accompanying drawing, in the present embodiment, front-wheel support 1 comprises from front to back the front support rod 11 of updip gradually and is fixed on the pipe link 12 on front support rod 11 top, the top of pipe link 12 and the top of front support rod 11 fix setting, the length bearing of trend of this pipe link 12 and the length bearing of trend of front support rod 11 are parallel to each other, and namely the top of rear wheel support 2 be pivotally connected in the top of pipe link 12.The lower end of push-rod assembly 5 is plugged in the bar chamber of front support rod 11 slidably, and the first elastic component 6 is for being located at the first spring 6 in the bar chamber of front support rod 11, conflicts in the lower end of push-rod assembly 5 in the upper end of this first spring 6.Second elastic component 7 is for being located at the second spring 7 in the bar chamber of pipe link 12, and the lower end of this second spring 7 is kept out on slide assemblies 3.Here, slide assemblies 3 is for being set in the slide bushing assembly 3 on front-wheel support 1, this slide bushing assembly 3 comprises the first sliding sleeve 31 be set in slidably on front support rod 11 and the second sliding sleeve 32, first sliding sleeve 31 be set in slidably on pipe link 12 and the second sliding sleeve 32 and is wholely set.
shown in each accompanying drawing, push-rod assembly 5 comprises lower push-rod 51, the upper push-rod 52 that can be arranged in slidably along the length bearing of trend of lower push-rod 51 in lower push-rod 51 bar chamber, the upper end being provided with the 3rd spring the 8, three spring 8 for providing elastic-restoring force needed for upper push-rod 52 upward sliding in the bar chamber of lower push-rod 51 is kept out in the lower end of upper push-rod 52.Under stroller frame deployed condition, upper push-rod 52 relative lower push-rod 51 under the effect of the 3rd spring 8 launches; And when stroller frame folds, pressing push rod 52 downwards makes its elastic acting force overcoming the 3rd spring 8 and compress the 3rd spring 8, the relative lower push-rod 51 of upper push-rod 52 can be made to shrink and realize the folding of push-rod assembly 5 self.
in the present embodiment, first lockout mechanism comprises the first locking piece be located at for both being locked between slide bushing assembly 3 and push-rod assembly 5, this first locking piece comprises the lock pin 9 be located on the first sliding sleeve 31, front support rod 11 offers along its length bearing of trend and the guide groove 13 that can be slidably inserted into for lock pin 9, push-rod assembly 5 is provided with the position limiting structure 54 glided along push-rod assembly 5 for limiting lock pin 9.When push-rod assembly 5 opposing front wheels support 1 upward sliding, lock pin 9 is kept out on position limiting structure 54, can make to drive slide bushing assembly 3 upward sliding together during push-rod assembly 5 upward sliding.Here, shown in Fig. 4 and Fig. 5, push-rod assembly 5 offers the position-limited trough 53 that can insert for lock pin 9, namely the lower groove face of this position-limited trough 53 forms above-mentioned position limiting structure 54.
second lockout mechanism comprises the second locking piece (not shown) be located at for both being locked between push-rod assembly 5 and front-wheel support 1, this second locking piece can be set to lock in a folded configuration by push-rod assembly 5 simultaneously, namely makes front-wheel support 1, upper push-rod 52 and lower push-rod 51 lock together.
in above-mentioned cart structure, when arranging, the rigidity of the first elastic component 6 should be made to be greater than the rigidity of the second elastic component 7, that is the rigidity of the first spring 6 is greater than the rigidity of the second spring 7.
when stroller frame is in deployed condition, see shown in Fig. 2 to Fig. 5, first spring 6 is in deployed condition, make sliding on push-rod assembly 5 opposing front wheels support 1 and launch, make slide bushing assembly 3 overcome the elastic acting force of the second spring 7 and be compressed by the second spring 7 simultaneously, slide bushing assembly 3 is positioned at the top of front-wheel support 1, and seat bar assembly 4 and rear wheel support 2 all relatively front-wheel support 1 launch; 3rd spring 8 is in open configuration and makes that upper push-rod 52 is relative with lower push-rod 51 to launch, and the lock pin 9 on the first locking piece is kept out on the position limiting structure 54 of push-rod assembly 5 and can not glide, under stroller frame is in stable deployed condition.
when stroller frame is folded up by needs, first first lockout mechanism unlocks by operator, that is make the lock pin 9 on the first locking piece depart from position limiting structure 54, at the elastic acting force low sleeve assembly 3 of the second spring 7 along front-wheel support 1 automatically slide downward, slide bushing assembly 3 downslide drives the rotation of seat bar assembly 4 and rear wheel support 2 and opposing front wheels support 1 is little by little drawn close, and makes stroller frame realize half-lap.Then, operator presses push rod 52 downwards again, make upper push-rod 52 overcome the 3rd spring 8 elastic force and relatively lower push-rod 51 glide, simultaneously upper push-rod 52 compresses the first spring 6 and along front-wheel support 1 slide downward together with lower push-rod 51, this makes push-rod assembly 5 self realize the folding of folding and push-rod assembly 5 opposing front wheels support 1, the whole height of stroller frame significantly reduces, until the second locking piece locking of the second lockout mechanism, front-wheel support 1, upper push-rod 52 and lower push-rod 51 are fixed mutually, first spring 6 and the 3rd spring 8 are all compressed, under stroller frame is stably in folded state, stroller frame after folding is as shown in Fig. 8 to Figure 10.
and when stroller frame is launched to use by needs, first the second lockout mechanism is unlocked, under the elastic acting force of the first spring 6, push-rod assembly 5 opposing front wheels support 1 upward sliding, simultaneously under the elastic acting force of the 3rd spring 8, the relative lower push-rod 51 of upper push-rod 52 is slided and push-rod assembly 5 is launched gradually; In process sliding on push-rod assembly 5, lock pin 9 falls into the position-limited trough 53 of push-rod assembly 5 and keeps out on position limiting structure 54, slide bushing assembly 3 is driven to overcome the elastic acting force of the second spring 7 and synchronously above slide when making sliding on push-rod assembly 5, then make a bar assembly 4 and rear wheel support 2 respectively opposing front wheels support 1 launch gradually, under stroller frame returns back to deployed condition, only need the second lockout mechanism to unlock in this expansion process can realize full automaticity expansion.
to sum up, children trolley of the present utility model, wherein stroller frame can realize semi-automatic folding and full automaticity launches, operation convenience very.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a children trolley, comprise the stroller frame with deployed condition and folded state, be located at the wheel assembly bottom described stroller frame, it is characterized in that: described stroller frame comprises front-wheel support, the rear wheel support that top is connected with the top phase pivot of described front-wheel support, can slide up and down to be located at the slide assemblies on described front-wheel support, front portion is pivotally connected on described slide assemblies and back pivot is connected to the seat bar assembly on described rear wheel support, the push-rod assembly that can slide up and down along the length bearing of trend of described front-wheel support, described front-wheel support is provided with for providing described push-rod assembly along the first elastic component of elastic-restoring force needed for described front-wheel support upward sliding, for providing described slide assemblies along the second elastic component of elastic-restoring force needed for described front-wheel support slide downward, when described stroller frame is in deployed condition, described first elastic component opens and described second elastic component is compressed, when described stroller frame is in folded state, described second elastic component opens and described first elastic component is compressed, described children trolley also comprise for by described stroller frame locking the first lockout mechanism in the deployed state, be used for described stroller frame locking the second lockout mechanism in a folded configuration.
2. children trolley according to claim 1, it is characterized in that: described front-wheel support comprises from front to back the front support rod of updip gradually, the lower end of described push-rod assembly is plugged in the bar chamber of described front support rod slidably, described first elastic component is the first spring be located in the bar chamber of described front support rod, conflicts in the lower end of described push-rod assembly in the upper end of described first spring.
3. children trolley according to claim 2, it is characterized in that: described front-wheel support also comprises the pipe link being fixed on described front support rod top, described second elastic component is the second spring be located in the bar chamber of described pipe link, and the lower end of described second spring is kept out on described slide assemblies.
4. children trolley according to claim 3, is characterized in that: the length bearing of trend of described pipe link and the length bearing of trend of described front support rod are parallel to each other.
5. children trolley according to claim 3, it is characterized in that: described slide assemblies is be set in the slide bushing assembly on described front-wheel support, described slide bushing assembly comprises the first sliding sleeve be set on described front support rod, the second sliding sleeve be set on described pipe link, and described first sliding sleeve and the second sliding sleeve are wholely set.
6. children trolley according to claim 5, it is characterized in that: described first lockout mechanism comprises the first locking piece be located at for both being locked between described slide bushing assembly and described push-rod assembly, described first locking piece comprises the lock pin be located on described first sliding sleeve, described front support rod offers and extends and the guide groove that can be slidably inserted into for described lock pin along its length direction, described push-rod assembly is provided with the position limiting structure glided along described push-rod assembly for limiting described lock pin.
7. children trolley according to claim 6, is characterized in that: described push-rod assembly offers the position-limited trough that can insert for described lock pin, the lower groove face of described position-limited trough forms described position limiting structure.
8. children trolley according to claim 1, it is characterized in that: described push-rod assembly comprises lower push-rod, the upper push-rod that can be arranged in slidably along the length bearing of trend of described lower push-rod in described lower push-rod bar chamber, be provided with the 3rd spring for providing elastic-restoring force needed for described upper push-rod upward sliding in the bar chamber of described lower push-rod, the upper end of described 3rd spring is kept out in the lower end of described upper push-rod.
9. children trolley according to claim 1, is characterized in that: described second lockout mechanism comprises the second locking piece be located at for both being locked between described push-rod assembly and described front-wheel support.
10., according to the arbitrary described children trolley of claim 1 to 9, it is characterized in that: the rigidity of described first elastic component is greater than the rigidity of described second elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224456.6U CN204623534U (en) | 2015-04-15 | 2015-04-15 | Children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520224456.6U CN204623534U (en) | 2015-04-15 | 2015-04-15 | Children trolley |
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| Publication Number | Publication Date |
|---|---|
| CN204623534U true CN204623534U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520224456.6U Active CN204623534U (en) | 2015-04-15 | 2015-04-15 | Children trolley |
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| CN (1) | CN204623534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346586A (en) * | 2015-11-27 | 2016-02-24 | 好孩子儿童用品有限公司 | Stroller |
| CN106985891A (en) * | 2017-04-05 | 2017-07-28 | 好孩子儿童用品有限公司 | A kind of children trolley |
-
2015
- 2015-04-15 CN CN201520224456.6U patent/CN204623534U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346586A (en) * | 2015-11-27 | 2016-02-24 | 好孩子儿童用品有限公司 | Stroller |
| CN105346586B (en) * | 2015-11-27 | 2018-01-02 | 好孩子儿童用品有限公司 | Children trolley |
| CN106985891A (en) * | 2017-04-05 | 2017-07-28 | 好孩子儿童用品有限公司 | A kind of children trolley |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |