CN207449991U - Foldable pushchair - Google Patents

Foldable pushchair Download PDF

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Publication number
CN207449991U
CN207449991U CN201720226742.5U CN201720226742U CN207449991U CN 207449991 U CN207449991 U CN 207449991U CN 201720226742 U CN201720226742 U CN 201720226742U CN 207449991 U CN207449991 U CN 207449991U
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China
Prior art keywords
gear
internal gear
rear joint
rod
external gear
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CN201720226742.5U
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Chinese (zh)
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庄育霖
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Individual
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Individual
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Abstract

A kind of foldable pushchair disclosed in the utility model, including:Front frame, Rear frame;For the draw off gear for when the first front rod and the first back link are mutually stretched or bent, driving perambulator expansion or folding;First lockable mechanism, when perambulator is in expansion or during folded state into line-locked first draw off gear.The application in the front frame being hinged and Rear frame junction by setting the first draw off gear and the second draw off gear, by pressing control button and connect band being pulled to trigger locking system, so as to the front rod of real control draw off gear and back link folding, so as to drive front frame and Rear frame bending or expansion.Lockable mechanism switches different lockup states by controlling between gear engagement with disengaging, reliable and stable.Torsional spring is set between front rail and front rod, and when perambulator is unfolded, torsional spring plays the role of power-assisted, convenient laborsaving convenient for rapid deployment.

Description

Foldable pushchair
Technical field
This application involves mother and baby's product, more particularly, to a kind of foldable pushchair.
Background technology
Existing perambulator is easy to carry, and mostly with folder function, but design is relatively simple, folds and is operated when being unfolded Inconvenience, and easily loosened after folding.Great inconvenience is brought to using.
Utility model content
The application provides a kind of foldable pushchair, it is intended to solve the problems, such as that existing folding of baby is inconvenient.
A kind of foldable pushchair disclosed in the utility model, including:
Front frame, for fixing handle, end is used to fix front-wheel on the front frame top;
Rear frame, the Rear frame top are hinged with the front frame so that the front frame and the Rear frame can be around Hinged place folding;The back support rod end is used to fix trailing wheel;
First draw off gear, first draw off gear include the first front rod and the first back link, connect before described first The head end of bar and both first back links can linking together around coaxial rotating, tail end respectively with first front frame And first Rear frame be hinged, for when first front rod and the first back link head end junction stretch or bend, driving The perambulator expansion folds;
First lockable mechanism, for being locked when the perambulator is in expansion or folded state.
The foldable pushchair, wherein, first lockable mechanism connects before including mutually snap together first Head and the first rear joint, first front connector and the first rear joint can around one through both first rotating shaft rotate, described the The first front rod end is fixed in one front connector, and first rear joint is fixed on the first back link end, described Internal gear before being formed with first inside first front connector, be formed with inside first rear joint with described first before internal gear knot Structure it is identical first after internal gear;The first external gear is equipped between first front connector and the first rear joint, outside described first Gear can be engaged with internal gear after internal gear and first before the first of both sides simultaneously, and first external gear can axially be moved along it It is dynamic, so as to described first before internal gear is one of after internal gear or first departs from.
The foldable pushchair, wherein, first lockable mechanism further includes to promote first external gear Along the first driving means of its axial movement.
The foldable pushchair, wherein, the first driving means are to be arranged on the first front connector surface Button, described button one end are located on the first front connector outer surface, and the other end is extended to inside first front connector simultaneously With the first external gear joint, for when the button is pressed into first front connector, first external gear is promoted It is moved towards first rear joint, so that internal gear departs from before first external gear and described first.
The foldable pushchair, wherein, first lockable mechanism further includes the first elastic component, first elasticity Part is used to provide the restoring force that first external gear moves between first front connector and the first rear joint;Described first Elastic component is arranged between first external gear and first rear joint.
The foldable pushchair, wherein, first external gear include at least one first positioning tooth, described first The tooth of positioning tooth is high and/or the facewidth is different from remaining gear teeth on the first external tooth wheel surface, for working as first external gear Before departing from described first after internal gear, first front connector is after the first rotating shaft rotates by a certain angle, first bullet Property part first external gear is promoted to reset.
The foldable pushchair, wherein, front frame is equipped with front rail, the first front rod tail end and the preceding horizontal stroke Bar is fixedly connected, and can be rotated around the front rail;The Rear frame includes two back support rods, two back support rods it Between be equipped with rear transverse rod, the first back link tail end is fixedly connected with the rear transverse rod, and can be rotated around the rear transverse rod.
The foldable pushchair, wherein, the perambulator further includes the second draw off gear and the second lockable mechanism, Second draw off gear includes the second front rod and the second back link;The tail end of second front rod is fixed on described preceding horizontal It on bar, and can be rotated around the front rail, the tail end of second back link is fixed on the rear transverse rod, and can be after described Cross bar rotates;Second lockable mechanism is included positioned at the second front connector of the second front rod head end and positioned at described the Second rear joint of two back link head ends, second rear joint are faced with first rear joint, second front connector It is mutually fastened with second rear joint, and relative to one second shaft of the two can be passed through to rotate;Inside second front connector Equipped with internal gear before second, internal gear after second rear joint is internally provided with second, internal gear and described the after described second Inner gear structure is identical before two, is additionally provided with the second external gear between second front connector and second rear joint, and described Two external gears can be engaged with internal gear after internal gear and second before described second simultaneously, and the second external tooth wheel surface is described in The one side of first rear joint is equipped with fixed plate, and the fixed plate passes through second rear joint, and the fixed plate tail end passes through one Root connect band is fixedly connected with the first rear joint, and for passing through pulling connect band, traction fixed plate is moved towards connect band direction, So as to drive internal gear after second external gear departs from second vertically.It is equipped with after second between internal gear and the second front connector Second elastic component, after unclamping the connect band, external gear resets after described second.
The foldable pushchair, wherein, it is fixed for hindering the front rod on the front rail to the baby The torsional spring that vehicle folding direction rotates.
The foldable pushchair, wherein, second is equipped with after described second between internal gear and second front connector Elastic component, for after the connect band is unclamped, external gear to reset after described second.
A kind of foldable pushchair given by the utility model, by the front frame and Rear frame junction being hinged First draw off gear and the second draw off gear are set, by pressing control button and connect band being pulled to trigger locking system, so as to The front rod of real control draw off gear and back link folding, so as to drive front frame and Rear frame bending or expansion.Lockable mechanism Switch different lockup states by controlling between gear engagement with disengaging, it is reliable and stable.It is set between front rail and front rod Torsional spring is put, when perambulator is unfolded, torsional spring plays the role of power-assisted, convenient laborsaving convenient for rapid deployment.
Description of the drawings
Fig. 1 is the dimensional structure diagram of foldable pushchair in the embodiment of the present application;
Fig. 2 is the overall structure diagram of draw off gear in the embodiment of the present application;
Fig. 3 is the explosive view of draw off gear in the embodiment of the present application;
Fig. 4 is the explosive view of the first lockable mechanism in the embodiment of the present application;
Fig. 5 is the structure diagram of draw off gear under perambulator unfolded state in the embodiment of the present application
Fig. 6 is the partial sectional view of the first lockable mechanism under perambulator unfolded state in the embodiment of the present application;
Fig. 7 be the embodiment of the present application in, perambulator bending during, the partial sectional view of the first lockable mechanism;
Fig. 8 is the structure diagram of draw off gear under folding of baby state in the embodiment of the present application;
Fig. 9 is the partial sectional view of the first lockable mechanism under folding of baby state in the embodiment of the present application.
Specific embodiment
The application is described in further detail below by specific embodiment combination attached drawing.
The present embodiment provides a kind of foldable pushchair, as shown in Figure 1-Figure 3, front frame 1, Rear frame 2, the first folding and unfolding dress Put 3 and first lockable mechanism 4.Front frame 2 and rear layer frame 2 are hinged, form the frame of perambulator, the first draw off gear 3 respectively at Front frame 1 and Rear frame 2 connect, for folding and unfolding perambulator.First lockable mechanism 4 is in folding of baby and expansion, by front truck Frame 1 and Rear frame 2 lock.Wherein, 1 top of front frame is fixed with handle 5, and end is used to fix front-wheel 61;2 top of Rear frame with Front frame 1 is hinged so that front frame 1 and Rear frame 2 can be around hinged place foldings, so as to be unfolded or folding baby vehicle, 2 bottom of Rear frame Portion is used for fixing trailing wheel 62.Handle 5 is plug-in type, can be stretched.First draw off gear 3 includes the first front rod 31 and first Back link 32, the head end of the first front rod 31 and both the first back links 32 are fixed together, and the two can be around coaxial rotating. Front frame 1 is overall U-shaped, is formed between two sides of U-shaped equipped with front rail 10,31 tail end of the first front rod and front rail 10 One end is fixedly connected, and can be rotated around front rail 10;Rear frame 2 include two respectively with the both sides of front frame 1U shapes it is hinged after Supporting rod is equipped with rear transverse rod 20 between two back support rods, and 32 tail end of the first back link is fixedly connected with rear transverse rod 20, and can be around Rear transverse rod 20 rotates.Gradually increase in this way, working as angle between the first front rod 31 and the first back link 32, until stretching (in 180 Spend angle) when, the first front rod 31 pulls front frame 1 to be gradually spread out with Rear frame 2 with the first back link 32, until perambulator is gradual Expansion the first lockable mechanism 4 of triggering;When angle is gradually reduced between the first front rod 31 and the first back link 32, front frame is pulled 1 with Rear frame 2 when gradually overlapping, and perambulator is gradually folded up, until the first lockable mechanism 4 triggers.
As shown in figure 4, the first lockable mechanism 4 includes the first front connector 41 mutually snapped together and the first rear joint 42, the first front connector 41 and the first rear joint 42 can pass through the first rotating shaft 43 of the two to rotate around one, and the first front connector 41 is fixed In 31 end of the first front rod, the first rear joint 42 is fixed on 32 end of the first back link, and the first front connector 41 and first are followed by Internal gear is each formed with inside first 42, for the ease of narration, internal gear 420 after internal gear 410 and first before being denoted as first respectively. Wherein, the structure of internal gear 420 is identical after internal gear 410 and first before first.First front connector 41 and the first rear joint 42 it Between be equipped with the first external gear 44, the first external gear 44 can simultaneously with the first of both sides before internal gear 420 after internal gear 410 and first Engagement, also, the first external gear 44 can move along its axis, so as to first before after internal gear 410 or the first internal gear 420 its In one disengaging.Behind internal gear 410 or first before the first external gear 44 and first after the one of disengaging of internal gear 420, the One front rod 31 and the first back link 32 can relatively rotate, so as to fold or be unfolded perambulator.In the present embodiment, as Fig. 5- Shown in Fig. 9,410 axial length of internal gear is less than the thickness of the first external gear 44 before first, in this way, the first external gear 44 and first After preceding internal gear 410 engages, the part of internal gear 420 can be engaged with backgear in first 420 simultaneously after direction first.And And first rear joint 42 away from one end of the first front connector 41 leave one section of cavity so that the first external gear 44 can drive first Under the driving of dynamic device, axial along first rotating shaft 43 is moved to the cavity of the first rear joint 42, until the first external gear 44 With first before internal gear 410 depart from.Wherein, first driving means are to be arranged on the button 45 on 41 surface of the first front connector, button 45 one end are located at the surface of the first front connector 41, and the other end passes through 44 joint of the first front connector 41 and the first external gear.In this way, Lower button 45 is pressed from 41 surface of the first front connector, you can is pushed the first external gear 44 at first rear joint 42 to, until with first Preceding internal gear 410 departs from, and can be folded at this time or perambulator is unfolded.
As shown in figure 3, with the rotation of the first front rod 31 and the first back link 32, perambulator be gradually fully opened or Two states are folded, in order to enable under both states, the first external gear 44, which can reset, (returns to the first front connector 41 and the Between one rear joint 42) so as to which the first front rod 31 and the first back link 32 be locked, it is also set at the cavity of the first rear joint 42 It is useful for pushing to the first external gear 44 first elastic element of the first front connector 41, in the present embodiment, the first elastic element is First spring 440.
As shown in figure 3,44 surface of the first external gear is equipped at least one first positioning tooth 441, the tooth of the first positioning tooth 441 The high or facewidth is different from other gear teeth on 44 surface of the first external gear, corresponding, interior after internal gear 410 and first before first It is all corresponding equipped with the interior gear teeth being meshed with the first positioning tooth 441 on gear 420.In this way, after by lower button 45, with the One front connector 41 is relatively rotated with the first rear joint 42, when the first positioning tooth 441 interior gear teeth corresponding with internal gear before first 410 After coincidence, under the promotion of the first spring 440, before the first external gear 44 is just pushed back first in internal gear 410 so that outside first 44 one side of gear is engaged with internal gear before first 410, and opposite side is engaged with internal gear after first 420, in this way, the first front rod 31 It is just locked with the first back link 32.In the present embodiment, 44 surface of the first external gear is set there are two the first positioning tooth 441, two Positioning tooth 441 is set at a distance of half of circumference, in this way, after by lower button 45, is rotated front frame 1 and Rear frame 2, is connected before first After the first back link 32 rotates 180 degree, front frame 1 is bonded to each other or separates with Rear frame 2 bar 31, and perambulator is completed to fold Or expansion.
As shown in figure 3, for so that having better mechanical structure, the present embodiment under front frame 1 and 2 unfolded state of Rear frame In, perambulator is also provided with the second draw off gear 7 and the second lockable mechanism 8.
As shown in Fig. 2, the second draw off gear 7 includes the second front rod 71 and the second back link 72, the second front rod 71 with The head end of both second back links 72 is fixed together, and the two can be around coaxial rotating.First front rod 31 is fixed on preceding horizontal stroke One end of bar 10,71 tail end of the second front rod are fixedly connected with the other end of front rail 10, and can be rotated around front rail 10;Equally , 32 tail end of the first back link is fixedly connected with one end of rear transverse rod 20, and the tail end of the second back link 72 is another with rear transverse rod 20 One end is fixedly connected, and can be rotated around rear transverse rod 20.In this way, it is gradual to work as angle between the first front rod 31 and the first back link 32 During increase, also with rotation, the first front rod 31 is stretched with the first back link 32 (is in for the second front rod 71 and the second back link 72 180 degree angle) when, the second front rod 71 and the second back link 72 are also at straight condition, and perambulator is fully deployed and triggers at this time First lockable mechanism 4 and the second lockable mechanism 8, front frame 1 and Rear frame 2 are locked;Conversely, when the first front rod 31 and first Angle is gradually reduced between back link 32, and when pulling front frame 1 is gradually overlapped with Rear frame 2, perambulator is gradually folded up, directly It is triggered to the first lockable mechanism 4, and perambulator is not at use state at this time, need not bear external impacts, therefore, in this shape Under state, the second lockable mechanism 8 will not trigger locking.
As shown in Fig. 4-Fig. 9, the second lockable mechanism 8 is followed by including the second front connector 71 mutually snapped together and second First 82, and the second rear joint 82 and the first rear joint 42 face setting.Second front connector 81 and the second rear joint 42 can be around one The second shaft 83 through the two rotates, and 71 end of the second front rod is fixed in the second front connector 81, and the second rear joint 82 is fixed In 72 end of the second back link, internal gear is each formed with inside the second front connector 81 and the second rear joint 82, for the ease of describing, Internal gear 820 after internal gear 810 and second before being denoted as second respectively.Wherein, internal gear after internal gear 810 and second before second 820 structure is identical.The second external gear 84 is equipped between second front connector 81 and the second rear joint 82, the second external gear 84 can be same When engaged with internal gear 820 after internal gear before the second of both sides 810 and second, also, the second external gear 84 can along its axially move It is dynamic, so as to second before internal gear 820 is one of after internal gear 810 or the second departs from.Before the second external gear 84 and second After internal gear 810 or the second after the one of disengaging of internal gear 820, the second front rod 71 and the second back link 72 opposite can turn It is dynamic, while button press 45 so that the second front rod 71 rotates together with the second back link 72, so as to fold or be unfolded baby Vehicle.In the present embodiment, 810 axial length of internal gear is less than the thickness of the second external gear 84 before second, in this way, the second external gear 84 After being engaged with internal gear 810 after the thousandth, towards the part of internal gear 820 after second can simultaneously with second in backgear 820 Engagement.Second external gear, 84 surface is equipped with fixed plate 85 towards the one side of the first rear joint 82, and fixed plate 85 is followed by through second First 82 surface.Second rear joint 82 leaves one section of cavity away from one end of the second front connector 81 so that the second external gear 84 can be Under the driving of second driving device, axial along the second shaft 83 is moved to the cavity of the second rear joint 82, until outside second Internal gear 810 departs from before gear 84 and second.Wherein, the second driving device is fixedly connected for one end with 85 tail end of fixed plate, separately The connect band 86 that one end is fixedly connected with the first rear joint 42 in this way, when pulling up connect band 86, will be drawn solid Fixed board 85 is moved towards connect band 86, so as to drive internal gear 820 after the second external gear 84 departs from second vertically, is pressed again at this time Lower button 45 is that can be folded or be unfolded the operation of perambulator.
When perambulator is fully opened, (the second front connector 81 and second is returned in order to which the second external gear 84 is enable to reset Between rear joint 82) so as to which the second front rod 71 and the second back link 72 be locked, make the two in straight condition, it is ensured that baby With enough support forces when vehicle uses.It is additionally provided with to push the second external gear 84 to second at the cavity of second rear joint 82 Second elastic element of front connector 82, wherein, the second elastic element is second spring 840.
Second external gear, 84 surface is equipped at least one second positioning tooth 841, and the tooth of the second positioning tooth 841 is high or the facewidth is equal It is different from other gear teeth on 84 surface of the second external gear, it is corresponding, before second after internal gear 810 and second on internal gear 820 It is all corresponding equipped with the interior gear teeth being meshed with the second positioning tooth 841.In this way, after pull-up connect band 86, the second front connector 81 It can be relatively rotated with 82 state of unlocking of the second rear joint, in the second positioning tooth 841 is corresponding with internal gear before second 810 After the gear teeth overlap, under the promotion of second spring 840, before the second external gear 84 is just pushed back second in internal gear 810 so that the Two external gears, 84 one side is engaged with internal gear before second 810, and opposite side is engaged with internal gear after second 820, in this way, connecting before second 81 and second back link 82 of bar is just locked, it is made to keep straight condition.In the present embodiment, only when the second front rod 71 and When two back links 72 stretch, the second positioning tooth 841 just can the interior gear teeth corresponding in backgear in second 820 overlap, when second When 71 and second back link 72 of front rod is in flexuosity, the second external gear 84 always with second after internal gear 820 manage it is de- From.That is, in the present embodiment, the second lockable mechanism 8 is only triggered when perambulator is unfolded, and when perambulator needs to fold, is pressed Button 45, while pull up connect band 86, and when perambulator needs expansion only needs button press 45 to unlock shape State, without pulling connect band 86.
It is more convenient laborsaving when being unfolded for perambulator, in the present embodiment, torsional spring 9 is further fixed on cross bar 10, is rotated One end of spring 9 is fixed on 10 top of cross bar, and the other end is fixed on the first front rod 31, and the shaft of torsional spring 9 is parallel In the first front rod 31.In this way, when folding of baby, the first front rod 31 is rotated up gradually increasing the shape of torsional spring 9 Variable, the elastic force of torsional spring 9 will become the resistance of resistance value folding of baby, when perambulator is unfolded by folded state, rotation Boosting will be played by turning the elastic force of the storage of spring 9 so that perambulator expansion is convenient and labor-saving.Torsional spring 9 can be with It is each at corresponding second front rod 71, the first back link 32 and the second back link 72 to set one.
A kind of foldable pushchair given by the utility model, by the front frame and Rear frame junction being hinged First draw off gear and the second draw off gear are set, by pressing control button and connect band being pulled to trigger locking system, so as to The front rod of real control draw off gear and back link folding, so as to drive front frame and Rear frame bending or expansion.Lockable mechanism Switch different lockup states by controlling between gear engagement with disengaging, it is reliable and stable.It is set between front rail and front rod Torsional spring is put, when perambulator is unfolded, torsional spring plays the role of power-assisted, convenient laborsaving convenient for rapid deployment.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, it is impossible to assert this Shen Specific implementation please is confined to these explanations.For those of ordinary skill in the art to which this application belongs, do not taking off On the premise of conceiving from the present application, several simple deduction or replace can also be made.

Claims (10)

1. a kind of foldable pushchair, which is characterized in that including:
Front frame, for fixing handle, end is used to fix front-wheel on the front frame top;
Rear frame, the Rear frame top are hinged with the front frame so that the front frame can be around hinged with the Rear frame Locate folding;The back support rod end is used to fix trailing wheel;
First draw off gear, first draw off gear include the first front rod and the first back link, first front rod with The head end of both first back links can linking together around coaxial rotating, tail end respectively with first front frame and One Rear frame is hinged, for when first front rod and the first back link head end junction stretch or bend, described in drive Perambulator is unfolded or folds;
First lockable mechanism, for being locked when the perambulator is in expansion or folded state.
2. foldable pushchair according to claim 1, which is characterized in that first lockable mechanism includes mutually fastening The first front connector together and the first rear joint, first front connector and the first rear joint can be around one through the first of the two Shaft rotates, and the first front rod end is fixed in first front connector, and first rear joint is fixed on described first Back link end, internal gear before being formed with first inside first front connector are formed with inside first rear joint and institute State inner gear structure before first it is identical first after internal gear;It is equipped between first front connector and the first rear joint outside first Gear, first external gear can be engaged with internal gear after internal gear and first before the first of both sides simultaneously, first external tooth Wheel can move along its axis, so as to described first before internal gear is one of after internal gear or first departs from.
3. foldable pushchair according to claim 2, which is characterized in that first lockable mechanism further includes to push away First driving means of dynamic first external gear along its axial movement.
4. foldable pushchair according to claim 3, which is characterized in that the first driving means are described to be arranged on The button on the first front connector surface, described button one end are located on the first front connector outer surface, and the other end extends to described Inside first front connector and with the first external gear joint, for when the button is pressed into first front connector, pushing away It moves first external gear to move towards first rear joint, so that internal tooth before first external gear and described first Wheel departs from.
5. foldable pushchair according to claim 4, which is characterized in that first lockable mechanism further includes the first bullet Property part, first elastic component moves between first front connector and the first rear joint for providing first external gear Restoring force;First elastic component is arranged between first external gear and first rear joint.
6. foldable pushchair according to claim 5, which is characterized in that first external gear includes at least one the One positioning tooth, the tooth of first positioning tooth is high and/or the facewidth is different from remaining gear teeth on the first external tooth wheel surface, is used for After internal gear before first external gear departs from described first, first front connector rotates certain angle around the first rotating shaft After degree, the first external gear described in first resilient element urges resets.
7. foldable pushchair according to claim 6, which is characterized in that front frame is equipped with front rail, before described first Connecting rod tail end is fixedly connected with the front rail, and can be rotated around the front rail;The Rear frame includes two back support rods, Rear transverse rod is equipped between two back support rods, the first back link tail end is fixedly connected with the rear transverse rod, and can be around The rear transverse rod rotates.
8. foldable pushchair according to claim 7, which is characterized in that the perambulator further includes the second draw off gear And second lockable mechanism, second draw off gear include the second front rod and the second back link;Second front rod Tail end is fixed on the front rail, and can be rotated around the front rail, and the tail end of second back link is fixed in the rear On cross bar, and it can be rotated around the rear transverse rod;Second lockable mechanism includes second positioned at the second front rod head end Front connector and the second rear joint positioned at the second back link head end, second rear joint and the first rear joint phase Face, second front connector are mutually fastened with second rear joint, and relative to one second shaft of the two can be passed through to rotate; Internal gear before second front connector is internally provided with second, internal gear after second rear joint is internally provided with second, described Internal gear is identical with inner gear structure before described second after two, is additionally provided between second front connector and second rear joint Second external gear, second external gear can be engaged with internal gear after internal gear and second before described second simultaneously, and described second External tooth wheel surface is equipped with fixed plate towards the one side of first rear joint, and the fixed plate passes through second rear joint, institute It states fixed plate tail end to be fixedly connected with the first rear joint by a connect band, for passing through pulling connect band, draws fixed plate It is moved towards connect band direction, so as to drive internal gear after second external gear departs from second vertically.Internal gear after second The second elastic component is equipped between the second front connector, after unclamping the connect band, external gear resets after described second.
9. foldable pushchair according to claim 8, which is characterized in that be fixed on the front rail described in obstruction The torsional spring that front rod is rotated to the folding of baby direction.
10. foldable pushchair according to claim 8, which is characterized in that internal gear and described second after described second The second elastic component is equipped between front connector, for after the connect band is unclamped, external gear to reset after described second.
CN201720226742.5U 2017-03-09 2017-03-09 Foldable pushchair Active CN207449991U (en)

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Application Number Priority Date Filing Date Title
CN201720226742.5U CN207449991U (en) 2017-03-09 2017-03-09 Foldable pushchair

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Application Number Priority Date Filing Date Title
CN201720226742.5U CN207449991U (en) 2017-03-09 2017-03-09 Foldable pushchair

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Publication Number Publication Date
CN207449991U true CN207449991U (en) 2018-06-05

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CN201720226742.5U Active CN207449991U (en) 2017-03-09 2017-03-09 Foldable pushchair

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113730122A (en) * 2021-09-27 2021-12-03 浙江爱司米电气有限公司 Locking mechanism of foldable wheelchair

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113730122A (en) * 2021-09-27 2021-12-03 浙江爱司米电气有限公司 Locking mechanism of foldable wheelchair
CN113730122B (en) * 2021-09-27 2024-04-09 浙江爱司米电气有限公司 Locking mechanism of foldable wheelchair

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