CN109910980A - A kind of stroller frame - Google Patents
A kind of stroller frame Download PDFInfo
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- CN109910980A CN109910980A CN201910225040.9A CN201910225040A CN109910980A CN 109910980 A CN109910980 A CN 109910980A CN 201910225040 A CN201910225040 A CN 201910225040A CN 109910980 A CN109910980 A CN 109910980A
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- foot lever
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- push rod
- stroller frame
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- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
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Abstract
The invention discloses a kind of stroller frames, using novel linkage structure, including the preceding interlocking bar hinged with preceding foot lever, the hinged rear interlocking bar with rear foot lever, preceding linkage rod rear end and rear interlocking bar front end are hinged, locking mechanism may be provided at as needed push rod lower end, preceding foot lever upper end, rear foot lever upper end it is any between the two；Since folding drawstring upper end is prejudicially connect with push rod lower end, when push rod is turned over downwards, folding drawstring lower end then lifts preceding linkage rod rear end and rear interlocking bar front end upwards, so that preceding foot lever and rear foot lever draw close folding relatively；And in stroller frame expansion, the front of interlocking bar before the lower end of the mandril on preceding foot lever then presses, interlocking bar rotation before limiting；By being used cooperatively for folding drawstring flexible and mandril, both fast and easy, swimmingly folding stroller frame, were also ensured stable, reliable when stroller frame expansion uses.
Description
[technical field]
The present invention relates to infant's vehicle frame, especially a kind of stroller frame.
[background technique]
There are many existing baby stroller body frame structure for automotive, for the ease of folding, collect or go out to carry to facilitate to place, it is desirable that
Baby stroller vehicle frame has the function of corresponding folding.In order to realize folding, connection is correspondingly provided between preceding foot lever and rear foot lever
Dynamic folding structure.But different clients and standard has different requirements to the structure of linkage folding.
One kind is researched and proposed to meet customer requirement and be directed to deficiency of the prior art to push away for child
The novel linkage structure of vehicle carriage.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of stroller frames, using novel linkage structure, including with it is preceding
The hinged preceding STATEMENT OF FEDERALLY SPONSORED of foot lever, the hinged rear STATEMENT OF FEDERALLY SPONSORED with rear foot lever, preceding STATEMENT OF FEDERALLY SPONSORED rear end and rear STATEMENT OF FEDERALLY SPONSORED front end are hinged, locking
Mechanism may be provided at as needed push rod lower end, preceding foot lever upper end, rear foot lever upper end it is any between the two.Due to folding drawstring
Upper end is prejudicially connect with push rod lower end, when push rod is turned over downwards, STATEMENT OF FEDERALLY SPONSORED rear end before folding drawstring lower end then lifts upwards
With rear STATEMENT OF FEDERALLY SPONSORED front end so that preceding foot lever and rear foot lever are opposite to draw close folding；And in stroller frame expansion, it is located at front foot
The front of STATEMENT OF FEDERALLY SPONSORED before the lower end of mandril on bar then presses, STATEMENT OF FEDERALLY SPONSORED rotation before limiting；Pass through folding drawstring flexible and top
Bar is used cooperatively, both fast and easy, swimmingly folding stroller frame, also ensure when stroller frame expansion uses it is stable, can
It leans on.
In order to solve the above technical problems, a kind of stroller frame of the present invention, including it is preceding foot lever 1, rear foot lever 2, push rod 3, preceding
Moving part 4, rear STATEMENT OF FEDERALLY SPONSORED 5 and folding drawstring 6.
1 lower end of preceding foot lever is equipped with front component 11, and rear 2 lower end of foot lever is equipped with wheel assembly 21.
It is described after 2 upper end of foot lever rotationally connect with preceding 1 upper end of foot lever, 3 lower end of push rod rotationally with the rear foot
The connection of 2 upper end of bar, preceding 4 front end of STATEMENT OF FEDERALLY SPONSORED and preceding foot lever 1 are hinged, and preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED and rear 5 front end of STATEMENT OF FEDERALLY SPONSORED are cut with scissors
It connects, rear 5 rear end of STATEMENT OF FEDERALLY SPONSORED and rear foot lever 2 are hinged.
6 upper end of folding drawstring is connected to 3 lower end of push rod and is eccentric in the shaft that push rod 3 is connect with rear foot lever 2, described
6 lower end of folding drawstring is connected to preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED, or is connected to rear 5 front end of STATEMENT OF FEDERALLY SPONSORED, or is connected to preceding STATEMENT OF FEDERALLY SPONSORED 4 with after
The articulated shaft of STATEMENT OF FEDERALLY SPONSORED 5, when so that push rod 3 being turned over downwards, folding drawstring 6 then pulls preceding STATEMENT OF FEDERALLY SPONSORED 4 and makes with rear STATEMENT OF FEDERALLY SPONSORED 5
Preceding foot lever 1 and rear foot lever 2 draw close folding relatively.
Mandril 7 is slidably connected on the preceding foot lever 1, when stroller frame expansion, 7 upper end of mandril is by under push rod 3
End limitation is withstood, and 7 lower end of the mandril presses preceding 4 front of STATEMENT OF FEDERALLY SPONSORED then to limit preceding 4 front end of STATEMENT OF FEDERALLY SPONSORED around itself and preceding foot lever 1
Articulated shaft rotation.
3 lower end of push rod, 1 upper end of preceding foot lever, 2 upper end of rear foot lever any locking mechanism 8 that is equipped between the two to lock
Determine state when stroller frame expansion.
A kind of stroller frame as described above, the preceding foot lever 1 are equipped with guide sleeve 71, and the mandril 7 slideably connects
It is connected to guide sleeve 71.
A kind of stroller frame as described above, 7 lower end of mandril is articulated with preceding 4 front of STATEMENT OF FEDERALLY SPONSORED.
A kind of stroller frame as described above, 3 lower end of push rod is connected with overturning seat 31, the overturning seat relatively fixedly
31 are equipped with therewith with dynamic mounting attachment base 32, and the overturning seat 31 and rear 2 upper end of foot lever are hinged, set on the overturning seat 31
There is the top pressure face 311 for pressing 7 upper end of mandril.
A kind of stroller frame as described above, further includes handlebar stem 33, the 33 lower end Telescopic sliding of handlebar stem with push away
Bar 3 connects.
A kind of stroller frame as described above, the locking mechanism 8 are set between 1 upper end of 3 lower end of push rod and preceding foot lever, and
When handlebar stem 33 is with respect to 3 slide downward of push rod, locking mechanism 8 is triggered then to release the locking to push rod 3 in 33 lower end of handlebar stem
State, so that push rod 3 can foot lever 2 be turned over downwards afterwards relatively.
A kind of stroller frame as described above, the locking mechanism 8 include the lockhole 81 for being directly or indirectly located at 3 lower end of push rod
Be located at before 1 upper end of foot lever and can elastic telescopic lock tongue 82, when stroller frame expansion when, the lock tongue 82 is elastically inserted into lock
Hole 81 and limit push rod 3 relatively after foot lever 2 be turned over downwards；When 33 slide downward of handlebar stem retracts in push rod 3, handlebar stem 33
The ejection lockhole 81 of lock tongue 82 is then directly or indirectly released the lock state of push rod 3 by lower end, so that push rod 3 can turn over downwards
Folding.
A kind of stroller frame as described above, further includes elastic component 10, and the elastic component 10 is compressed spring and is located at front foot
On bar 1, elastic top is pressed on mandril 7 and preceding foot lever 4 to 10 upper and lower side of elastic component respectively；Or the elastic component 10 is torsional spring and sets
In the hinged place of preceding foot lever 1 and preceding STATEMENT OF FEDERALLY SPONSORED 4；Or the elastic component 10 is torsional spring and the hinge for being located at rear foot lever 2 and rear STATEMENT OF FEDERALLY SPONSORED 5
Meet place；Or the elastic component 10 is torsional spring and the hinged place for being located at preceding STATEMENT OF FEDERALLY SPONSORED 4 and rear STATEMENT OF FEDERALLY SPONSORED 5.
The present invention also provides a kind of stroller frames, including preceding foot lever 1, rear foot lever 2, push rod 3, preceding STATEMENT OF FEDERALLY SPONSORED 4, rear STATEMENT OF FEDERALLY SPONSORED
5, mandril 7 and elastic component 10.
1 lower end of preceding foot lever is equipped with front component 11, and rear 2 lower end of foot lever is equipped with wheel assembly 21.
It is described after 2 upper end of foot lever rotationally connect with preceding 1 upper end of foot lever, 3 lower end of push rod rotationally with the rear foot
The connection of 2 upper end of bar, preceding 4 front end of STATEMENT OF FEDERALLY SPONSORED and preceding foot lever 1 are hinged, and preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED and rear 5 front end of STATEMENT OF FEDERALLY SPONSORED are cut with scissors
It connects, rear 5 rear end of STATEMENT OF FEDERALLY SPONSORED and rear foot lever 2 are hinged.
Have on foot lever 1 before the mandril 7 is slidably connected at, when stroller frame expansion, 7 upper end of mandril is by push rod 3
Lower end limitation is withstood, and 7 lower end of the mandril presses preceding 4 front of STATEMENT OF FEDERALLY SPONSORED then to limit preceding 4 front end of STATEMENT OF FEDERALLY SPONSORED around itself and front foot
The rotation of 1 articulated shaft of bar.
Before the elastic component 10 is compressed spring and is located on foot lever 1,10 upper and lower side of elastic component elasticity press respectively
In mandril 7 and preceding foot lever 1；Or the elastic component 10 is torsional spring and the hinged place for being located at preceding foot lever 1 and preceding STATEMENT OF FEDERALLY SPONSORED 4；Or it is described
Elastic component 10 is torsional spring and the hinged place for being located at rear foot lever 2 and rear STATEMENT OF FEDERALLY SPONSORED 5；Or the elastic component 10 is torsional spring and is located at preceding
The hinged place of moving part 4 and rear STATEMENT OF FEDERALLY SPONSORED 5.
3 lower end of push rod, 1 upper end of preceding foot lever, 2 upper end of rear foot lever any locking mechanism 8 that is equipped between the two to lock
Determine state when stroller frame expansion.
Compared with prior art, a kind of stroller frame of the present invention has as follows a little:
1, use folding drawstring flexible to lift preceding STATEMENT OF FEDERALLY SPONSORED and rear STATEMENT OF FEDERALLY SPONSORED, so that the preceding foot lever of stroller frame is with after
Foot lever is opposite to draw close folding.
2, mandril is slidably set using on preceding foot lever, using stroller frame in unfolded state, the upper and lower side of mandril
The front for pressing against push rod lower end and preceding STATEMENT OF FEDERALLY SPONSORED respectively, STATEMENT OF FEDERALLY SPONSORED foot lever rotation before before effectively limiting, and then really
Stroller frame expansion has been protected to stablize, is reliable.
3, being used cooperatively by folding drawstring flexible and mandril has the characteristics that design succinct, ingenious, receipts flexible
Drawstring fast and easy, swimmingly folding stroller frame are rolled over, mandril then ensures stable, reliable when stroller frame expansion uses.
4, the present invention may make stroller frame Automatic-expanding or folding using the elastic force of elastic component by using elastic component,
Further increase the convenience used.
[Detailed description of the invention]
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is a kind of one of schematic perspective view of stroller frame of the present invention.
Fig. 2 is the two of a kind of schematic perspective view of stroller frame of the present invention.
Fig. 3 is a kind of side view of stroller frame of the present invention.
Fig. 4 is a kind of one of folding state perspective view of stroller frame of the present invention.
Fig. 5 is the two of a kind of folding state perspective view of stroller frame of the present invention.
Fig. 6 is the front view that rear foot lever, preceding foot lever are connected with push rod in a kind of stroller frame of the present invention.
Fig. 7 is cross-sectional view of the Fig. 6 along the direction A-A.
Fig. 8 is the enlarged view that Fig. 3 marks B.
Fig. 9 is the front view of preceding STATEMENT OF FEDERALLY SPONSORED in a kind of stroller frame of the present invention.
Figure 10 is the structural schematic diagram that torsional spring and folding drawstring are used in a kind of stroller frame of the present invention.
Figure 11 is the structural schematic diagram that compressed spring and folding drawstring are used in a kind of stroller frame of the present invention.
Figure 12 is one of the structural schematic diagram in a kind of stroller frame of the present invention not using folding drawstring only with elastic component.
Figure 13 is the second structural representation in a kind of stroller frame of the present invention not using folding drawstring only with elastic component.
[specific embodiment]
It elaborates with reference to the accompanying drawing to embodiments of the present invention.
As the first specific embodiment of the invention, as shown in figs. 1-11, a kind of stroller frame of the present invention, including front foot
Bar 1, rear foot lever 2, push rod 3, preceding STATEMENT OF FEDERALLY SPONSORED 4, rear STATEMENT OF FEDERALLY SPONSORED 5 and folding drawstring 6；In the present embodiment, the preceding foot lever 1 is equipped with one
Branch, the rear foot lever 2 are equipped with two, and 6 flexible rope of folding drawstring can only provide pulling force and cannot press, can be glue
Band, steel cable or other ropes, mounting can be connected to push rod lower part relatively fixedly.
1 lower end of preceding foot lever is equipped with support, and support both ends are connected with two front wheels component 11, in order to the infant taken
Foot support is provided, relatively fixedly equipped with foot pedal on preceding foot lever.Each rear 2 lower end of foot lever is equipped with wheel assembly
21, brake lever is connected between two wheel assemblies 21.
As shown in Figure 1, two it is described after foot lever tops connect U-shaped structures, two it is described after 2 upper ends of foot lever rotationally with it is preceding
The connection of 1 upper end of foot lever, 3 lower end of push rod are rotationally connect with rear 2 upper end of foot lever, as Figure 2-3, the preceding STATEMENT OF FEDERALLY SPONSORED
4 front ends and preceding foot lever 1 are hinged, and preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED and rear 5 front end of STATEMENT OF FEDERALLY SPONSORED are hinged, and rear 5 rear end of STATEMENT OF FEDERALLY SPONSORED is with after
Foot lever 2 is hinged, and 6 upper end of folding drawstring is connected to 3 lower end of push rod and is eccentric in the shaft that push rod 3 is connect with rear foot lever 2, institute
State 4 rear end of STATEMENT OF FEDERALLY SPONSORED before 6 lower end of folding drawstring is connected to, or be connected to rear 5 front end of STATEMENT OF FEDERALLY SPONSORED, or before being connected to STATEMENT OF FEDERALLY SPONSORED 4 with
The articulated shaft of STATEMENT OF FEDERALLY SPONSORED 5 afterwards, when so that push rod 3 being turned over downwards, folding drawstring 6 then pulls preceding STATEMENT OF FEDERALLY SPONSORED 4 to be made with rear STATEMENT OF FEDERALLY SPONSORED 5
It obtains preceding foot lever 1 and rear foot lever 2 draws close folding relatively；When carrying out folding, since folding drawstring upper end prejudicially connects with push rod lower end
It connects, when push rod is turned over downwards, folding drawstring lower end then lifts preceding STATEMENT OF FEDERALLY SPONSORED rear end and rear STATEMENT OF FEDERALLY SPONSORED front end upwards, so that
Preceding foot lever and rear foot lever draw close folding relatively, therefore can fast and easy, swimmingly folding stroller frame by folding drawstring flexible.
As shown in Fig. 2,4,5,7, mandril 7 is slidably connected on the preceding foot lever 1, when stroller frame expansion, the top
7 upper end of bar is withstood by the limitation of 3 lower end of push rod, and 7 lower end of the mandril presses preceding 4 front of STATEMENT OF FEDERALLY SPONSORED then to limit preceding STATEMENT OF FEDERALLY SPONSORED 4
Front end is rotated around it with preceding 1 articulated shaft of foot lever；When stroller frame is unfolded in use, the lower end for the mandril being located on preceding foot lever is then pushed up
The front of STATEMENT OF FEDERALLY SPONSORED before pressing, STATEMENT OF FEDERALLY SPONSORED rotation before limiting, so that preceding foot lever, mandril, preceding STATEMENT OF FEDERALLY SPONSORED, rear STATEMENT OF FEDERALLY SPONSORED, rear foot lever are then
Form stable triangular structure, it is ensured that stroller frame expansion is stable, reliable when using.
3 lower end of push rod, 1 upper end of preceding foot lever, 2 upper end of rear foot lever any locking mechanism 8 that is equipped between the two to lock
Determine state when stroller frame expansion, when locking mechanism 8 unlocks, stroller frame can then carry out folding.
For the reliability and stability for improving mandril, guide sleeve 71, the top are equipped in preceding 1 upper inner of foot lever
Bar 7 is slidably connected to guide sleeve 71.
Further, the front of STATEMENT OF FEDERALLY SPONSORED before capable of reliably being pressed always for mandril lower end when stroller frame is unfolded,
4 front of STATEMENT OF FEDERALLY SPONSORED before then 7 lower end of mandril is articulated with.In the present embodiment, as shown in figure 9, preceding STATEMENT OF FEDERALLY SPONSORED is in J-type structure,
Retention bead 41 and bending segment 42 including front bottom side is arranged in.The free end of the bending segment and preceding foot lever are hinged, mandril 7
The bending part of STATEMENT OF FEDERALLY SPONSORED 4 before lower end is then articulated with, as shown in figure 8, retention bead 41 can be then resisted against when stroller frame expansion
On front foot bar side wall, is rotated around the articulated shaft of itself and preceding foot lever downwards with limiting preceding STATEMENT OF FEDERALLY SPONSORED, further ensure that stroller frame exhibition
Using reliable, stable when opening.
As shown in Fig. 2,7,3 lower end of push rod is connected with overturning seat 31 relatively fixedly, and the overturning seat 31 is equipped with
Therewith with dynamic mounting attachment base 32, the overturning seat 31 and rear 2 upper end of foot lever are hinged, and the overturning seat 31 is equipped with for pushing up
Bear down on one the top pressure face 311 of 7 upper end of bar.
A kind of stroller frame of the present invention, further includes handlebar stem 33, the 33 lower end Telescopic sliding of handlebar stem with push rod 3
Connection, handlebar stem 33 can be by playing beans and the adjustable connection of push rod 3, to improve comforts of use and adjustability.
In the present embodiment, as shown in figs. 4-7, the locking mechanism 8 is set between 1 upper end of 3 lower end of push rod and preceding foot lever,
And when handlebar stem 33 is with respect to 3 slide downward of push rod, locking mechanism 8 is triggered then to release the lock to push rod 3 in 33 lower end of handlebar stem
State is determined, so that push rod 3 can foot lever 2 be turned over downwards afterwards relatively.
The locking mechanism 8 includes directly or indirectly being located at the lockhole 81 of 3 lower end of push rod and 1 upper end of foot lever and can before being located at
The lock tongue 82 of elastic telescopic, when stroller frame expansion, the lock tongue 82 be elastically inserted into lockhole 81 and after limiting push rod 3 relatively
Foot lever 2 is turned over downwards；When 33 slide downward of handlebar stem retracts in push rod 3,33 lower end of handlebar stem then directly or indirectly will
Lock tongue 82 ejects lockhole 81 and releases the lock state of push rod 3, so that push rod 3 can be turned over downwards.
In the present embodiment, 3 lower end of push rod is fixedly connected on overturning seat 31, after which passes through shaft and two
Foot lever upper end is rotatably connected, and the front on overturning seat 31 is then arranged in the lockhole.
As shown in fig. 7, being equipped with the locking elastic part 84 of elasticity press lock tongue, 84 upper end of locking elastic part in preceding foot lever top
Positive stop lug boss on the inside of elasticity press lock tongue and lower end elasticity press front foot bar, therefore foot lever before may make lock tongue that elasticity is kept to stretch out
Upper end.It is smooth in order to unlock, press block 83 is slidably equipped in the lower end of push rod, when handlebar stem 33 retracts downwards push rod, when
33 lower end of handlebar stem will be located at the lock tongue in lockhole by press block 83 indirectly and eject, and then complete unlocking motion.In addition, top
It is correspondingly provided with guide chute on briquetting 83 and lock tongue 82, to press block 83 by pin shaft and lock tongue 82 is accordingly slidably connected
In push rod lower end and preceding foot lever upper end.
It as shown in figs. 10-11, further include elasticity to improve the present invention in the convenience of use process, above-described embodiment
Part 10.But elastic component 10 can be arranged in different positions as needed:
When the elastic component 10 is compressed spring and is located on preceding foot lever 1,10 upper and lower side of elastic component is elastic respectively
The lower end for pressing the compressed spring in mandril 7 and preceding foot lever 1, the present invention is pressed in the guide sleeve 71 on preceding foot lever；Elasticity
Part 10 then can auxiliary trammer vehicle frame carry out folding, i.e., when push rod lower end no longer press mandril upper end, elastic component 10 then upwards pushes up
Bear down on one bar 7 and slides, STATEMENT OF FEDERALLY SPONSORED 4 before the lower end of mandril 7 then lifts upwards, preceding STATEMENT OF FEDERALLY SPONSORED 4 also STATEMENT OF FEDERALLY SPONSORED after respective action, in turn
So that preceding foot lever and rear foot lever draw close folding relatively.
Before the elastic component 10 is torsional spring and is located at when the hinged place of foot lever 1 and preceding STATEMENT OF FEDERALLY SPONSORED 4, the both ends difference of torsional spring
Foot lever 1 is in preceding STATEMENT OF FEDERALLY SPONSORED 4 before being resisted against, so that preceding STATEMENT OF FEDERALLY SPONSORED 4 is by a torsion, preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED is around itself and preceding foot lever 1
Articulated shaft there is the trend rotated down always, therefore when stroller frame is unfolded, should by the torsion of the torque spring and
Pulling-pushing rod lower end under folding drawstring and make stroller frame Automatic-expanding.
When the elastic component 10 is torsional spring and is located at rear foot lever 2 and the hinged place of rear STATEMENT OF FEDERALLY SPONSORED 5, the both ends difference of torsional spring
It is resisted against rear foot lever 2 and rear STATEMENT OF FEDERALLY SPONSORED 5, so that rear STATEMENT OF FEDERALLY SPONSORED 5 is by a torsion, the front end of rear STATEMENT OF FEDERALLY SPONSORED is around itself and rear foot lever 1
Articulated shaft there is the trend rotated down always, therefore when stroller frame is unfolded, similarly, the torsion of the torque spring should be passed through
Pulling-pushing rod lower end under power and folding drawstring and make stroller frame Automatic-expanding.
When the elastic component 10 is torsional spring and is located at the hinged place of preceding STATEMENT OF FEDERALLY SPONSORED 4 and rear STATEMENT OF FEDERALLY SPONSORED 5, the both ends point of torsional spring
It is not resisted against preceding STATEMENT OF FEDERALLY SPONSORED 4 and rear STATEMENT OF FEDERALLY SPONSORED 5, so that preceding STATEMENT OF FEDERALLY SPONSORED 4 and rear STATEMENT OF FEDERALLY SPONSORED 5 be by a torsion, after preceding STATEMENT OF FEDERALLY SPONSORED 4
End and the front end of rear STATEMENT OF FEDERALLY SPONSORED have the trend rotated down around its articulated shaft always, therefore when stroller frame is unfolded, similarly,
Pulling-pushing rod lower end makes stroller frame Automatic-expanding under the torsion and folding drawstring by the torque spring.
As another embodiment of the invention, compared with above-described embodiment, the present embodiment does not use folding drawstring, such as
Shown in Figure 12-13, the present embodiment concrete scheme is as follows: including preceding foot lever 1, rear foot lever 2, push rod 3, preceding STATEMENT OF FEDERALLY SPONSORED 4, rear STATEMENT OF FEDERALLY SPONSORED
5, mandril 7 and elastic component 10.1 lower end of preceding foot lever is equipped with front component 11, and rear 2 lower end of foot lever is equipped with wheel assembly
21.2 upper end of foot lever is rotationally connect with preceding 1 upper end of foot lever after described, and 3 lower end of push rod is rotationally and on rear foot lever 2
End connection, preceding 4 front end of STATEMENT OF FEDERALLY SPONSORED and preceding foot lever 1 are hinged, and preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED and rear 5 front end of STATEMENT OF FEDERALLY SPONSORED are hinged, institute
It states rear 5 rear end of STATEMENT OF FEDERALLY SPONSORED and rear foot lever 2 is hinged.Have on foot lever 1 before the mandril 7 is slidably connected at, when stroller frame expansion,
7 upper end of mandril is withstood by the limitation of 3 lower end of push rod, and then press preceding 4 front of STATEMENT OF FEDERALLY SPONSORED preceding to limit for 7 lower end of the mandril
4 front end of moving part is rotated around it with preceding 1 articulated shaft of foot lever, 3 lower end of push rod, 1 upper end of preceding foot lever, 2 upper end of rear foot lever it is any
It is equipped with locking mechanism 8 between the two to lock state when stroller frame expansion.
Before the elastic component 10 is compressed spring and is located on foot lever 1,10 upper and lower side of elastic component distinguishes elastic top
It is pressed on mandril 7 and preceding foot lever 1；When push rod lower end no longer presses mandril upper end, elastic component 10 then presses mandril 7 upwards and slides
It is dynamic, STATEMENT OF FEDERALLY SPONSORED 4 before the lower end of mandril 7 then lifts upwards, preceding STATEMENT OF FEDERALLY SPONSORED 4 also STATEMENT OF FEDERALLY SPONSORED after respective action, so that preceding foot lever
It is opposite with rear foot lever to draw close folding.
Before the elastic component 10 is torsional spring and is located at when the hinged place of foot lever 1 and preceding STATEMENT OF FEDERALLY SPONSORED 4, the both ends difference of torsional spring
Foot lever 1 is in preceding STATEMENT OF FEDERALLY SPONSORED 4 before being resisted against, so that preceding STATEMENT OF FEDERALLY SPONSORED 4 is by a torsion, preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED is around itself and preceding foot lever 1
Articulated shaft there is the trend being rotated up always, therefore after stroller frame unlocks, the torsion of the torque spring should be passed through
May make preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED to flip up automatically, and the front end of rear STATEMENT OF FEDERALLY SPONSORED also flipped up, so accordingly pull before
Foot lever and rear foot lever are drawn close relatively, realize stroller frame automatic folding.
When the elastic component 10 is torsional spring and is located at rear foot lever 2 and the hinged place of rear STATEMENT OF FEDERALLY SPONSORED 5, the both ends difference of torsional spring
Rear foot lever 2 is resisted against in rear STATEMENT OF FEDERALLY SPONSORED 5, so that rear STATEMENT OF FEDERALLY SPONSORED 4 is by a torsion, rear STATEMENT OF FEDERALLY SPONSORED front end is around itself and rear foot lever
Articulated shaft has the trend being rotated up always, therefore after stroller frame unlocks, the torsion that should pass through the torque spring can
So that rear STATEMENT OF FEDERALLY SPONSORED front end flips up automatically, and the rear end of preceding STATEMENT OF FEDERALLY SPONSORED is also flipped up, and then accordingly pull front foot
Bar and rear foot lever are drawn close relatively, realize stroller frame automatic folding.
When the elastic component 10 is torsional spring and is located at the hinged place of preceding STATEMENT OF FEDERALLY SPONSORED 4 and rear STATEMENT OF FEDERALLY SPONSORED 5, due to the two of torsional spring
End is respectively acting on preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED and rear 5 front end of STATEMENT OF FEDERALLY SPONSORED, so that preceding STATEMENT OF FEDERALLY SPONSORED 4 and rear STATEMENT OF FEDERALLY SPONSORED 5 are made by torsion
With, rear STATEMENT OF FEDERALLY SPONSORED front end and preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED have the trend flipped up always, therefore after stroller frame unlocks,
The torsion by the torque spring may make rear STATEMENT OF FEDERALLY SPONSORED front end to flip up automatically with preceding 4 rear end of STATEMENT OF FEDERALLY SPONSORED, and then corresponding
It pulls preceding foot lever and rear foot lever to draw close relatively, realizes stroller frame automatic folding.
Claims (9)
1. a kind of stroller frame, it is characterised in that including preceding foot lever (1), rear foot lever (2), push rod (3), preceding STATEMENT OF FEDERALLY SPONSORED (4), rear connection
Moving part (5), folding drawstring (6) and mandril (7)；
Preceding foot lever (1) lower end is equipped with front component (11), and rear foot lever (2) lower end is equipped with wheel assembly (21)；
It is described after foot lever (2) upper end rotationally connect with preceding foot lever (1) upper end, push rod (3) lower end rotationally with it is rear
The connection of foot lever (2) upper end, hingedly, preceding STATEMENT OF FEDERALLY SPONSORED (4) rear end joins with rear for preceding STATEMENT OF FEDERALLY SPONSORED (4) front end and preceding foot lever (1)
Moving part (5) front end is hinged, and rear STATEMENT OF FEDERALLY SPONSORED (5) rear end and rear foot lever (2) are hinged；
Folding drawstring (6) upper end is connected to push rod (3) lower end and is eccentric in the shaft that push rod (3) is connect with rear foot lever (2),
Folding drawstring (6) lower end is connected to preceding STATEMENT OF FEDERALLY SPONSORED (4) rear end, or is connected to rear STATEMENT OF FEDERALLY SPONSORED (5) front end, or be connected to preceding
The articulated shaft of moving part (4) and rear STATEMENT OF FEDERALLY SPONSORED (5), when so that push rod (3) being turned over downwards, folding drawstring (6) then pulls preceding STATEMENT OF FEDERALLY SPONSORED
(4) with rear STATEMENT OF FEDERALLY SPONSORED (5) and make preceding foot lever (1) and rear foot lever (2) with respect to drawing close folding；
The mandril (7), which is slidably connected on preceding foot lever (1), to be had, and when stroller frame expansion, mandril (7) upper end is by push rod
(3) lower end limitation is withstood, and the mandril (7) lower end then press preceding STATEMENT OF FEDERALLY SPONSORED (4) front with limit preceding STATEMENT OF FEDERALLY SPONSORED (4) front end around
It is rotated with preceding foot lever (1) articulated shaft；
Push rod (3) lower end, preceding foot lever (1) upper end, any of rear foot lever (2) upper end are equipped with locking mechanism (8) between the two
To lock state when stroller frame expansion.
2. a kind of stroller frame according to claim 1, it is characterised in that the preceding foot lever (1) is equipped with guide sleeve
(71), the mandril (7) is slidably connected to guide sleeve (71).
3. a kind of stroller frame according to claim 1 or claim 2, it is characterised in that mandril (7) lower end is articulated with preceding linkage
Part (4) front.
4. a kind of stroller frame according to claim 1 relatively fixedly, it is characterised in that push rod (3) lower end is connected with
Overturning seat (31), the overturning seat (31) are equipped with therewith with dynamic mounting attachment base (32), the overturning seat (31) and the rear foot
Bar (2) upper end is hinged, and the overturning seat (31) is equipped with the top pressure face (311) for pressing mandril (7) upper end.
5. according to claim 1 or a kind of 4 stroller frames, it is characterised in that further include handlebar stem (33), the handlebar stem
(33) it is connect with push rod (3) to lower end Telescopic sliding.
6. a kind of stroller frame according to claim 5, it is characterised in that the locking mechanism (8) is set under push rod (3)
Between end and preceding foot lever (1) upper end, and when handlebar stem (33) are with respect to push rod (3) slide downward, handlebar stem (33) lower end is then touched
Locking mechanism (8) are sent out to release lock state to push rod (3), so that push rod (3) can foot lever (2) turns over downwards afterwards relatively
Folding.
7. a kind of stroller frame according to claim 6, it is characterised in that the locking mechanism (8) includes directly or indirectly setting
Push rod (3) lower end lockhole (81) and be located at preceding foot lever (1) upper end and can elastic telescopic lock tongue (82), when stroller frame exhibition
When opening, the lock tongue (82) is elastically inserted into lockhole (81) and limits the relatively rear foot lever (2) of push rod (3) and be turned over downwards；Work as handle
Bar (33) slide downward and retract push rod (3) it is interior when, handlebar stem (33) lower end then directly or indirectly by lock tongue (82) eject lock
Hole (81) and the lock state for releasing push rod (3), so that push rod (3) can be turned over downwards.
8. a kind of according to claim 1 or 2 or 4 or 6 or 7 stroller frames, it is characterised in that further include elastic component (10), institute
It states elastic component (10) and is compressed spring and is located on preceding foot lever (1) that elastic top is pressed on top to elastic component (10) upper and lower side respectively
Bar (7) and preceding foot lever (1)；
Or the elastic component (10) is torsional spring and the hinged place for being located at preceding foot lever (1) Yu preceding STATEMENT OF FEDERALLY SPONSORED (4)；
Or the elastic component (10) is torsional spring and the hinged place for being located at rear foot lever (2) Yu rear STATEMENT OF FEDERALLY SPONSORED (5)；
Or the elastic component (10) is torsional spring and the hinged place for being located at preceding STATEMENT OF FEDERALLY SPONSORED (4) Yu rear STATEMENT OF FEDERALLY SPONSORED (5).
9. a kind of stroller frame, it is characterised in that including preceding foot lever (1), rear foot lever (2), push rod (3), preceding STATEMENT OF FEDERALLY SPONSORED (4), rear connection
Moving part (5), mandril (7) and elastic component (10)；
Preceding foot lever (1) lower end is equipped with front component (11), and rear foot lever (2) lower end is equipped with wheel assembly (21)；
It is described after foot lever (2) upper end rotationally connect with preceding foot lever (1) upper end, push rod (3) lower end rotationally with it is rear
The connection of foot lever (2) upper end, hingedly, preceding STATEMENT OF FEDERALLY SPONSORED (4) rear end joins with rear for preceding STATEMENT OF FEDERALLY SPONSORED (4) front end and preceding foot lever (1)
Moving part (5) front end is hinged, and rear STATEMENT OF FEDERALLY SPONSORED (5) rear end and rear foot lever (2) are hinged；
The mandril (7), which is slidably connected on preceding foot lever (1), to be had, and when stroller frame expansion, mandril (7) upper end is by push rod
(3) lower end limitation is withstood, and the mandril (7) lower end then press preceding STATEMENT OF FEDERALLY SPONSORED (4) front with limit preceding STATEMENT OF FEDERALLY SPONSORED (4) front end around
It is rotated with preceding foot lever (1) articulated shaft；
The elastic component (10) is compressed spring and is located on preceding foot lever (1) that elastic component (10) upper and lower side distinguishes elastic top
It is pressed on mandril (7) and preceding STATEMENT OF FEDERALLY SPONSORED (4)；Or the elastic component (10) is torsional spring and is located at preceding foot lever (1) and preceding STATEMENT OF FEDERALLY SPONSORED (4)
Hinged place；Or the elastic component (10) is torsional spring and the hinged place for being located at rear foot lever (2) Yu rear STATEMENT OF FEDERALLY SPONSORED (5)；Or the elasticity
Part (10) is torsional spring and the hinged place for being located at preceding STATEMENT OF FEDERALLY SPONSORED (4) Yu rear STATEMENT OF FEDERALLY SPONSORED (5)；
Push rod (3) lower end, preceding foot lever (1) upper end, any of rear foot lever (2) upper end are equipped with locking mechanism (8) between the two
To lock state when stroller frame expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225040.9A CN109910980B (en) | 2019-03-25 | 2019-03-25 | Trolley frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225040.9A CN109910980B (en) | 2019-03-25 | 2019-03-25 | Trolley frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109910980A true CN109910980A (en) | 2019-06-21 |
| CN109910980B CN109910980B (en) | 2024-07-02 |
Family
ID=66966405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910225040.9A Active CN109910980B (en) | 2019-03-25 | 2019-03-25 | Trolley frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109910980B (en) |
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| Publication number | Publication date |
|---|---|
| CN109910980B (en) | 2024-07-02 |
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