CN205819296U - The stroller shank tube of adjustable-length and infant car seat and stroller - Google Patents
The stroller shank tube of adjustable-length and infant car seat and stroller Download PDFInfo
- Publication number
- CN205819296U CN205819296U CN201620707937.7U CN201620707937U CN205819296U CN 205819296 U CN205819296 U CN 205819296U CN 201620707937 U CN201620707937 U CN 201620707937U CN 205819296 U CN205819296 U CN 205819296U
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- CN
- China
- Prior art keywords
- tube
- stroller
- length
- shank
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses the stroller shank tube of a kind of adjustable-length, outer tube and inner tube including activity grafting, its middle external tube has two opposite sides being connected to seat, said inner tube is U-shaped, including inserting two straight-bars of outer tube and being connected to the cross bar between two straight-bars, under folding state, two straight-bars stretch in outer tube；It is separately installed with locking mechanism at the position, termination of described two straight-bars, outer tube is placed with at least two lockhole coordinated with described locking mechanism.This utility model also provides for a kind of infant car seat and stroller, all with described stroller shank tube.Stroller shank tube of the present utility model can realize length adjustment, it is simple to reduces the length after vehicle frame folding, it is simple to receive and carry.
Description
Technical field
This utility model relates to stroller technical field, particularly relates to the shank tube in infant car seat and with this
Plant seat and the stroller of shank tube.
Background technology
Shank tube is usually a part for seat, and its effect is to make baby can be relaxed by shank when taking stroller trip
Suitable carrying out against.The employing fixed form that the shank tube of prior art has, some employings are rotatable or folding mode.
Stroller generally comprises front foot lever, rear foot lever and pushing hands bar, adds that auxiliary connecting rod may be constructed multi-connecting-rod mechanism,
Reached the purpose folding or launching by the deformation of multi-connecting-rod mechanism when returning the vehicle to the garage and knock off.Also have part prior art be front foot lever and after
The top of foot lever and the mutually adjacent connection in bottom of pushing hands bar, can be rotatably assorted around a linkage, when returning the vehicle to the garage and knock off before foot lever,
Rear foot lever and pushing hands bar relatively rotate around linkage, it is achieved return the vehicle to the garage and knock off.The length of gaskin tube of returning the vehicle to the garage and knock off may affect
The volume of unitized frame.
In prior art, when shank tube uses fixed form, after vehicle frame folding, in order to reduce volume or length, need
The length of regulation shank tube, but prior art is difficult to meet demand.
Utility model content
This utility model provides the stroller shank tube of a kind of adjustable-length can realize length adjustment, it is simple to reduce vehicle frame
Length after folding, it is simple to receive and carry.
The stroller shank tube of a kind of adjustable-length, including outer tube and the inner tube of activity grafting, its middle external tube has two
Being connected to the opposite sides of seat, said inner tube is U-shaped, including insert outer tube two straight-bars and be connected to two straight-bars it
Between cross bar, under folding state, two straight-bars stretch in outer tube；It is separately installed with locking mechanism at the position, termination of described two straight-bars,
At least two lockhole coordinated with described locking mechanism it is placed with on outer tube.
In this utility model, the entire length of shank tube can be regulated by locking mechanism and the lockhole that matches,
And positioned by different lockholes.For the ease of regulation, as preferably, the transverse part of said inner tube is with button, in inner tube
It is provided with linkage hauling rope between locking mechanism and button.
By button drive hauling rope can complete the locking between locking mechanism and lockhole and release the lock, about hauling rope with
Can use between button and be joined directly together, or be indirectly connected to by drive disk assembly, its interaction relation can also use prior art.
Described locking mechanism includes:
It is fixed on the end socket of inner pipe end；
The slide block being slidably mounted in end socket, described hauling rope is connected with this slide block；
It is arranged on the interior shell fragment by described ram extrusion deformation of end socket；
It is fixed on shell fragment the flexible plunger matched with the lockhole on described outer tube.
Hauling rope can band movable slider and then extrusion elastic so that flexible plunger evolution, i.e. enters or exits lockhole.
As preferably, it is provided with the guide groove for housing slide block in described end socket, compresses between described slide block and guide groove inwall
Slide block back-moving spring, described shell fragment is had to be arranged in guide groove.
Guide groove can limit the motion path of slide block, and guide groove sidewall is with through hole, and hauling rope passes and slide block from through hole
It is connected.
Flexible plunger enters lockhole can be by the natural resiliency of shell fragment, in order to ensure that ordering about flexible plunger enters lockhole,
As preferably, being provided with driving spring between bottom land and the shell fragment of guide groove, described flexible plunger is in shell fragment driving spring dorsad
Side, the tube wall of said inner tube is provided with and stretches that plunger position is corresponding dodges through hole.
Can ensure that flexible plunger enters after dodging through hole and is maintained in lockhole by driving spring.
Multiple model of action can be used between slide block and shell fragment, for example with inclined-plane unidirectional driving, this utility model in order to
Dodging driving spring, as preferably, described slide block is provided with bar hole, and the bottom land of described shell fragment one end and guide groove is fixed, another
End is through described bar hole and is provided with described flexible plunger, and the middle part of described shell fragment is the bending section offseted with slide block.
As preferably, described end socket is in by being clasped the position-limited hoop that slide block is peripheral, position-limited hoop be provided with
Flexible plunger position dodges hole accordingly.Position-limited hoop can deviate from guide groove by anti-limited slip block during installing and using.
This utility model also provides for a kind of infant car seat, including the back support bar being mutually butted and shank tube, Yi Jilian
Being connected on the bar of docking site, described shank tube is the stroller shank tube of adjustable-length described in the utility model.
Described back support bar and shank tube are U-shaped, and are mutually butted at U-shaped opening, and described bar is connected across
At two docking sites.
This utility model also provides for a kind of stroller, including front foot lever, rear foot lever and pushing hands bar, forward foot in a step masthead end, after
Foot lever top and pushing hands bar bottom three, by a hinged cooperation of transverse axis, described transverse axis are provided with and are relatively fixed with pushing hands bar
Stacker, described stacker is inserted with baby seat described in the utility model, described front foot lever, rear foot lever and pushing hands
The folding state that bar has with transverse axis as center of rotation and mutually reclines.
In order to realize the overall location of vehicle frame and stablize, i.e. keep deployed condition, it is possible to use prior art is for the forward foot in a step
Carry out between bar, rear foot lever and pushing hands bar and transverse axis rotating location, such as and entered by controlled flexible dead bolt between transverse axis
Row location, or add linkage between front foot lever, rear foot lever and pushing hands bar three.
Can also is that and install two location gears on transverse axis, one of them is nibbled altogether with forward foot in a step masthead end and rear foot masthead end
Closing, another engages altogether with rear foot masthead end and pushing hands bar bottom, and location gear all can slide axially, and is in common engagement
Time, it is lock-in state, slides axially when being disengaged from state with one of them, i.e. release the lock state.
Forward foot in a step masthead end, rear foot masthead end and pushing hands bar bottom be equipped with position gear coordinate and around transverse axis distribution
Internal tooth, and position sliding axially of gear and directly can be driven by button, or by modes such as hauling rope drivings.
As preferably, described back support bar and the coplanar setting of shank tube and close with pushing hands bar under folding state.Backrest
Bar and shank tube is coplanar arranges the thickness that can reduce folding state as far as possible.
Due under folding state, back support bar and the coplanar setting of shank tube and close with pushing hands bar, if back support bar and little
Lower limb tube total length is much larger than pushing hands pole length, folding gaskin tube part can be caused substantially to highlight, be unfavorable for entire length
Reduction, therefore this utility model uses adjustable length shank tube, reduces further the entire length after folding.
Foot lever before this utility model stroller, rear foot lever and pushing hands bar have with transverse axis to be center of rotation and mutually reclines
Folding state.Folding volume can be reduced, additionally the back support bar in seat and the coplanar setting of shank tube and at folding state
The close thickness reducing folding state as far as possible of lower and pushing hands bar.Use adjustable length shank tube, reduce folding further
After entire length.
Accompanying drawing explanation
Fig. 1 is the perspective view of this utility model stroller；
View when pushing hands bar and rear foot lever recline when Fig. 2 is this utility model baby card folding；
View when foot lever and front foot lever recline after when Fig. 3 is this utility model baby card folding；
View after shank tube shortens in seat when Fig. 4 is this utility model baby card folding；
Fig. 5 is the explosive view of locking mechanism part in this utility model shank tube；
Fig. 6 is end socket and the view of another angle of slide block position in Fig. 5；
Fig. 7 is the schematic diagram of inner tube in this utility model shank tube, and button part uses explosive view mode to illustrate.
Detailed description of the invention
Seeing Fig. 1 the present embodiment one stroller, its vehicle frame includes front foot lever 1, rear foot lever 2 and pushing hands bar 3, front foot lever
1, it is respectively provided with wheel bottom rear foot lever 2.
Forward foot in a step masthead end, rear foot masthead end and pushing hands bar bottom three pass through a hinged cooperation of transverse axis 9, and seat 4 passes through
Stacker 8 is plugged on vehicle frame.Stacker 8 is relatively fixed with pushing hands bar 3.
In order to realize front foot lever 1, the rotation location of rear foot lever 2 and pushing hands bar 3 three, two can be installed on transverse axis 9
Individual location gear (omits in figure), and one of them engages altogether with forward foot in a step masthead end and rear foot masthead end, another and rear foot masthead
End and pushing hands bar bottom are engaged altogether, and location gear all can slide axially, and when being in common engagement, is lock-in state, axially
When slip is disengaged from state with one of them, i.e. release the lock state.
Forward foot in a step masthead end, rear foot masthead end and pushing hands bar bottom be equipped with position gear coordinate and around transverse axis distribution
Internal tooth, and position sliding axially of gear and driven by hauling rope.
Seat 4 includes back support bar 10 and the shank tube being mutually butted, and is connected to the bar 11 of docking site, leans on
Back of the body bar 10 and shank tube are U-shaped, and are mutually butted at U-shaped opening, and bar 11 is connected across at two docking sites.
Back support bar 10 and the coplanar setting of shank tube and close with pushing hands bar 3 under folding state.Shank tube includes activity grafting
Outer tube 6 and inner tube 5, its middle external tube 6 has two to dock with back support bar 10 respectively, and inner tube is U-shaped, including two straight-bars inserting outer tube
And it is connected to the cross bar between two straight-bars, during two straight-bars stretch into outer tube 6 under folding state.In order to improve intensity, two straight-bars it
Between can be provided with reinforcement connecting rod.
Outer tube 6 is with lockhole, and two positions, straight-bar termination are provided with flexible plunger, and the transverse part of inner tube is with button 7, in inner tube
It is provided with linkage hauling rope between flexible plunger and button 7.
See Fig. 2～4, this utility model stroller when returning the vehicle to the garage and knock off, by location gear release before foot lever 1, rear foot lever 2 with
And behind the location of pushing hands bar 3 three, first fold pushing hands bar 3 so that it is foot lever 2 after reclining, more front foot lever 1 folded against and the rear foot
Bar 2 makes both recline, and finally regulation inner tube 5 makes it stretch in outer tube 6 as far as possible, reduces the length of shank tube, makes after folding
Volume is less is easy to carry.
Seeing Fig. 5, Fig. 6, Fig. 7, the locking mechanism in inner tube 5 includes the end socket 13 being positioned at inner tube 5 end, the one of end socket 13
Side is with resilient key 22, and the sidewall of inner tube 5, with the hole, location 21 matched with resilient key 22, can prevent end socket 13 from deviating from inner tube
5。
Being provided with guide groove in end socket 13, guide groove is used for being equipped with slide block 18, and hauling rope 23 is connected with slide block 18, slide block 18 with lead
Slide block back-moving spring 34 has been compressed between groove inwall.
Shell fragment 14 is arranged in guide groove, and slide block 18 is provided with bar hole 19, and the bottom land of shell fragment 14 one end and guide groove is fixed, separately
One end is through bar hole 19 and is provided with flexible plunger 20, and the middle part of shell fragment 14 is the bending section offseted with slide block 18.
Being provided with driving spring 15 between bottom land and the shell fragment 14 of guide groove, the tube wall of inner tube is provided with and plunger 20 position phase of stretching
That answers dodges through hole 12.
Being combined with by buckle 16 on end socket 13 and be in the position-limited hoop 17 that slide block is peripheral, position-limited hoop 17 is provided with and telescopic pin
20 positions dodge hole accordingly.
Hauling rope 23 has wedge 24 away from one end connection of end socket, with driving inclined-plane 25 and wedge 24 on button 7
Coordinate.
When button is pressed for 7 times, driving inclined-plane 25 and wedge 24 phase separation, pull hauling rope 23, slide block 18 compression is sliding then
Block reset spring 34, the bending section of extrusion elastic 14 at bar hole 19 inner edge, driving spring 15 is compressed, and flexible plunger 20 exits
The lockhole of outer tube.
If release button 7, slide block back-moving spring 34 promotes slide block 18 to reset, and shell fragment 14 stretches under driving spring 15 acts on
Corresponding lockhole.
Claims (10)
1. the stroller shank tube of an adjustable-length, it is characterised in that include outer tube and the inner tube of activity grafting, its China and foreign countries
Pipe has two opposite sides being connected to seat, and said inner tube is U-shaped, including inserting two straight-bars of outer tube and being connected to
Cross bar between two straight-bars, under folding state, two straight-bars stretch in outer tube；It is separately installed with at the position, termination of described two straight-bars
Locking mechanism, outer tube is placed with at least two lockhole coordinated with described locking mechanism.
2. the stroller shank tube of adjustable-length as claimed in claim 1, it is characterised in that the transverse part of said inner tube with
Button, is provided with linkage hauling rope between locking mechanism and button in inner tube.
3. the stroller shank tube of adjustable-length as claimed in claim 2, it is characterised in that described locking mechanism includes:
It is fixed on the end socket of inner pipe end；
The slide block being slidably mounted in end socket, described hauling rope is connected with this slide block；
It is arranged on the interior shell fragment by described ram extrusion deformation of end socket；
It is fixed on shell fragment the flexible plunger matched with the lockhole on described outer tube.
4. the stroller shank tube of adjustable-length as claimed in claim 3, it is characterised in that be provided with in described end socket for
The guide groove of accommodating slide block, has compressed slide block back-moving spring between described slide block and guide groove inwall, described shell fragment is arranged in guide groove.
5. the stroller shank tube of adjustable-length as claimed in claim 4, it is characterised in that the bottom land of guide groove and shell fragment it
Between be provided with driving spring, described flexible plunger is in the side of shell fragment driving spring dorsad, and the tube wall of said inner tube is provided with and stretches
Contracting plunger position dodges through hole accordingly.
6. the stroller shank tube of adjustable-length as claimed in claim 5, it is characterised in that described slide block is provided with bar shaped
Hole, the bottom land of described shell fragment one end and guide groove fixes, and the other end is through described bar hole and is provided with described flexible plunger, described
The middle part of shell fragment is the bending section offseted with slide block.
7. the stroller shank tube of adjustable-length as claimed in claim 6, it is characterised in that pass through buckle on described end socket
Being combined with and be in the position-limited hoop that slide block is peripheral, position-limited hoop is provided with and stretches that plunger position is corresponding dodges hole.
8. an infant car seat, including the back support bar being mutually butted and shank tube, and is connected to the handrail of docking site
Bar, it is characterised in that described shank tube is the stroller shank tube of the adjustable-length described in any one of claim 1～7.
9. infant car seat as claimed in claim 8, it is characterised in that described back support bar and shank tube are U-shaped, and
U-shaped opening is mutually butted, and described bar is connected across at two docking sites.
10. a stroller, including front foot lever, rear foot lever and pushing hands bar, forward foot in a step masthead end, rear foot masthead end and pushing hands bar
Bottom three passes through a hinged cooperation of transverse axis, and described transverse axis is provided with stacker relatively-stationary with pushing hands bar, and its feature exists
In, described stacker is inserted with baby seat as claimed in claim 9, described front foot lever, rear foot lever and pushing hands bar tool
The folding state having with transverse axis as center of rotation and mutually recline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707937.7U CN205819296U (en) | 2016-06-30 | 2016-06-30 | The stroller shank tube of adjustable-length and infant car seat and stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707937.7U CN205819296U (en) | 2016-06-30 | 2016-06-30 | The stroller shank tube of adjustable-length and infant car seat and stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205819296U true CN205819296U (en) | 2016-12-21 |
Family
ID=57564124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620707937.7U Expired - Fee Related CN205819296U (en) | 2016-06-30 | 2016-06-30 | The stroller shank tube of adjustable-length and infant car seat and stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205819296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532994A (en) * | 2018-11-09 | 2019-03-29 | 广东省拉迪达科技有限公司 | A kind of auxiliary device applied to perambulator |
-
2016
- 2016-06-30 CN CN201620707937.7U patent/CN205819296U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532994A (en) * | 2018-11-09 | 2019-03-29 | 广东省拉迪达科技有限公司 | A kind of auxiliary device applied to perambulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20210630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |