CN208344303U

CN208344303U - Bi-directional foldable stroller

Info

Publication number: CN208344303U
Application number: CN201820665129.8U
Authority: CN
Inventors: 李丰
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2018-05-07
Filing date: 2018-05-07
Publication date: 2019-01-08
Anticipated expiration: 2028-05-07

Abstract

The utility model discloses a kind of Bi-directional foldable strollers, its stroller frame includes the side stand for being divided into the left and right sides and the stull component between the side stand of two sides, the side stand of every side includes bottom bar, front rod, rear pole, hound, push rod and seat bar assembly, wherein, bottom bar includes respectively extending along the longitudinal direction and along the longitudinal direction with respect to the front bar of sliding extension and rear bar.Rotating push-rod is only needed when folding the stroller frame, bottom bar can be driven, front rod, rear pole, hound, between push rod and seat bar assembly relative motion folding and makes two sides side stand while gradually collapsing in left-right direction, realize stroller frame in the gathering in three directions in upper and lower, front and back and left and right, its is simple and reliable for structure, it is easy to operate, folding can be rapidly completed, cart body product is compact after folding, convenient for storage, carries.

Description

Bi-directional foldable stroller

Technical field

The utility model relates to a kind of Bi-directional foldable strollers.

Background technique

The most of folding volumes of existing cart are all bigger currently on the market, are unfavorable for storage and transport, even if having few The small cart of number folding volume, folding operation are also comparatively laborious, it usually needs pass through many more manipulations, can be only achieved complete folding. Therefore we need a kind of folding volume small and the cart of folding convenient.

Summary of the invention

Facilitate the purpose of the utility model is to provide a kind of folding operation and folded configuration is flat, small volume two-way Folding trolley.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of Bi-directional foldable stroller, including has exhibition Open state and the stroller frame of folded state, the wheel assembly set on the stroller frame bottom, and be used for the cart vehicle The locking mechanism of frame locking in the deployed state, the stroller frame include being divided into two side stands and the setting of the left and right sides Between the side stand described in two sides and it is capable of the stull component of transversely folding, the side stand of every side includes bottom bar, preceding Connecting rod, rear pole, hound, push rod and seat bar assembly,

The bottom bar includes respectively extending along the longitudinal direction and along the longitudinal direction with respect to the front bar of sliding extension and rear bar, institute Stating front rod, updip extends from front to back, and the lower part of the front rod and the front of the front bar are connected by first axle phase pivot It connects, the top of the front rod is connect with the lower part of the push rod by the second axis phase pivot；The rear pole is along the vertical direction Extend, the lower part of the rear pole is pivotally connected in the rear bar by third axis, and the top of the rear pole passes through the 4th Axis is connect with the lower part phase pivot of the push rod, and the axial line of second axis and the 4th axis is set in parallel to each other；It is described oblique Strut extends along the longitudinal direction, and the front of the hound is pivotally connected in lower part or the pivot of the front rod by the 5th axis Axis connection is on the front of the front bar, and the rear portion of the hound is pivotally connected on the rear pole by the 6th axis, institute The axial line for stating first axle and the 5th axis is parallel to each other or collinearly extends, and the seat bar assembly includes the seat extended along the longitudinal direction Bar and the sliding part being pivotally connected on the rear pole, the front of the seat bar is pivotally connected on the front rod, described Sliding part is slidably set on the seat bar along the extending direction of the seat bar；The stull component includes being set to described in two sides Bottom bracing bar assembly between bottom bar, and the upper strut between the lower part of front rod described in two sides and the rear portion of the seat bar Component.

Preferably, the bottom bracing bar assembly include intersect setting and infall phase pivot connection two foundation struts, The bottom supporting rod extends along the longitudinal direction, and the front of the bottom supporting rod is rotationally connected on the front of rear bar described in side and should It is connected on the rear portion of front bar described in the other side to the posterior rotation of the bottom supporting rod.

Preferably, the upper strut component includes intersect setting and two upper supports in the connection of infall phase pivot Bar, updip extends ground setting to the upper strut from front to back, and the front of the upper strut connects before being rotationally connected to described in side It is connected to seat bar described in the other side to the posterior rotation of the lower part of bar or the lower part of the hound and the upper strut Rear portion.

It is further preferred that there is front connector in the front of the upper strut by the pivot connection of preceding connecting shaft, connect before described Fitting is connect by the first axle/the 5th axis with the front rod or the hound phase pivot, the first axle and institute The axial line for stating the 5th axis is collinearly arranged, and the axial line of the preceding connecting shaft and the axial line of the first axle are mutual vertically Setting.

As a kind of specific embodiment, after the rear portion of the upper strut is connected to the seat bar by rear connectors Portion, the rear connectors are located at the rear of the sliding part on the seat bar.

Preferably, it offers and extends along its length and downward opening sliding slot in the rear bar, after the front bar Portion is plugged in the sliding slot with being slidably matched.

Preferably, the front of the seat bar is pivotally connected on the front rod by the 7th axis, and the sliding part passes through 8th axis is pivotally connected on the rear pole, the 7th axis be located on the front rod first axle and the second axis it Between, the 8th axis is on the rear pole between the 4th axis and the 6th axis.

Preferably, the wheel assembly has two groups for being divided into the left and right sides, and wheel assembly described in every group includes being set to institute The front component of front bar bottom front and the wheel assembly set on rear bar bottom rear portion are stated, when the stroller frame is in rugosity When state, front component described in two groups and wheel assembly are supported in ground jointly.

Preferably, the push rod includes along its length with respect to the upper push-rod of folding and lower push-rod, and for will be described The push rod locking piece that upper push-rod and the lower push-rod are locked, the lower push-rod are connected with the front rod and the rear pole It connects.

It is further preferred that the locking mechanism include set on the front rod top and the lower push-rod lower part it Between for the locking joint that lock the two, the relatively described lower push-rod folding of the upper push-rod after the push rod locking piece unlocks Joint is locked described in linkage of unlocking in the process.

Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art The Bi-directional foldable stroller of type, when folding, only need rotating push-rod, can drive bottom bar, front rod, rear pole, hound, push rod and Relative motion folding and make two sides side stand between seat bar assembly while gradually collapsing in left-right direction, realization stroller frame exists Up and down, the gathering in three directions in front and back and left and right, it is simple and reliable for structure, it is easy to operate, folding can be rapidly completed, roll over Poststack cart volume compact convenient for storage, carries.

Detailed description of the invention

Attached drawing 1 is that the Folding trolley of the utility model is in the perspective view one under unfolded state；

Attached drawing 2 is that the Folding trolley of the utility model is in the perspective view two under unfolded state；

Attached drawing 3 is that the Folding trolley of the utility model is in the side view under unfolded state；

Attached drawing 4 is the use state schematic side view after the Folding trolley placed seat diaper set of the utility model；

Attached drawing 5 is the folded side view of Folding trolley upper push-rod of the utility model；

Attached drawing 6 is that the Folding trolley of the utility model is in the side view under semi-collapsed condition；

Attached drawing 7 is that the Folding trolley of the utility model is in the axis surveys view under semi-collapsed condition；

Attached drawing 8 is that the Folding trolley of the utility model is in the side view under folded state；

Attached drawing 9 is that the Folding trolley of the utility model is in the top view under folded state；

Wherein: 10, side stand；20, front component；30, wheel assembly；40, seat diaper set；

1, bottom bar；11, front bar；12, rear bar；2, front rod；3, rear pole；4, hound；5, push rod；51, lower push-rod； 52, upper push-rod；53, push rod locking piece；6, seat bar assembly；61, seat bar；62, sliding part (sliding sleeve)；7, bottom bracing bar assembly；71, bottom Strut；8, upper strut component；81, upper strut；82, preceding connecting shaft；83, front connector；84, rear connectors；9, joint is locked；

101, first axle；102, the second axis, 103, third axis；104, the 4th axis；105, the 5th axis；106, the 6th axis； 107, the 7th axis；108, the 8th axis.

Specific embodiment

The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.

Referring to Fig. 1 to Bi-directional foldable stroller shown in Fig. 9, including with unfolded state and folded state stroller frame, Wheel assembly set on stroller frame bottom, and for the locking mechanism by stroller frame locking in the deployed state, wherein it pushes away Vehicle carriage includes two side stands 10 for being divided into the left and right sides, and is arranged between two sides side stand 10 and can be transversely The stull component of folding.

Referring to FIG. 1 to FIG. 4, the side stand 10 of every side includes bottom bar 1, front rod 2, rear pole 3, hound 4, pushes away Bar 5 and seat bar assembly 6.Bottom bar 1 includes respective extension along the longitudinal direction and can be along the longitudinal direction with respect to the front bar of sliding extension 11 with rear bar 12, herein, specifically, offered in rear bar 12 along its length extend and downward opening sliding slot, front bar 11 Rear portion be plugged in being slidably matched in above-mentioned sliding slot.

Updip extends front rod 2 from front to back, and the lower part of front rod 2 passes through 101 phase pivot of first axle with the front of front bar 11 The top of axis connection, front rod 2 is connect with the lower part of push rod 5 by 102 phase pivot of the second axis；The lower part of rear pole 3 passes through the Three axis 103 are pivotally connected in rear bar 12, and the top of rear pole 3 is connect by the 4th axis 104 with the lower part phase pivot of push rod 5, The axial line of above-mentioned 4th axis 104 and the second axis 102 is set in parallel to each other；The front of hound 4 passes through 105 pivot of the 5th axis It is connected to the lower part of front rod 2 or is pivotally connected on the front of front bar 11, the rear portion of hound 4 passes through 106 pivot of the 6th axis Axis connection is on rear pole 3, and the axial line of above-mentioned first axle 101 and the 5th axis 105 is parallel to each other or collinearly extends, in this implementation In example, the setting coaxial with the 5th axis 105 of first axle 101.

Seat bar assembly 6 includes the seat bar 61 extended along the longitudinal direction and the sliding part 62 being pivotally connected on rear pole 3, seat The front of bar 61 is pivotally connected on front rod 2 by the 7th axis 107, sliding part 62 use herein be slidably be arranged it is present Sliding sleeve on bar 61, the sliding sleeve 62 is by 108 pivot two of the 8th axis and on rear pole 3, and above-mentioned 7th axis 107 is in front rod On 2 between first axle 101 and the second axis 102, the 8th axis 108 is located at the 4th axis 104 and the 6th axis 106 on rear pole 3 Between.Settable seat diaper set 40 between the top and two sides push rod 5 of present bar 61, so that this diaper set 40 and seat bar assembly 6 are collectively formed for the seat mechanism of children's sitting in stroller frame, as shown in Figure 4.

Referring to FIG. 1 to FIG. 4, in the present embodiment, push rod 5 include along its length with respect to the lower push-rod of folding 51 with it is upper Push rod 52, and the push rod locking piece 53 for being locked upper push-rod 52 and lower push-rod 51, push rod 5 are divided by lower push-rod 51 It is not pivotally connected with front rod 2 and rear pole 3.In other examples, can also by push rod 5 be arranged such as sliding extension its His foldable mode.

In this way, on each side side stand 10 of the stroller frame of the present embodiment, front rod 2, lower push-rod 51, rear pole 3 and tiltedly Four-bar mechanism is constituted between strut 4, constitutes slider-crank mechanism, seat between front bar 11, rear bar 12, hound 4 and rear pole 3 A slider-crank mechanism is also constituted between bar 61, sliding sleeve 62, lower push-rod 51 and front rod 2.Locking mechanism packet in stroller frame Include the locking joint 9 between the top of front rod 2 and the lower part of lower push-rod 51 for locking the two, the locking joint 9 When locking, above-mentioned four-bar mechanism and two slider-crank mechanisms are locked.It, can be by the locking joint 9 and push rod when setting Linkage of unlocking it is arranged between locking joint 53, specifically, upper push-rod 52 is with respect to lower push-rod 51 after the unlock of push rod locking piece 53 Linkage of unlocking locks joint 9 during overturning folding, this makes the more smoothly convenience of the folding operation of vehicle frame, simplifies vehicle frame folding The operating process of user in folded process.

Referring to shown in Fig. 1, Fig. 2, stull component includes bottom bracing bar assembly 7 between two sides bottom bar 1 and is set to two sides Upper strut component 8 between 61 rear portion of lower part and seat bar of front rod 2.In the present embodiment, bottom bracing bar assembly 7 and upper strut component 8 to be all made of be cross support component.

Specifically, bottom bracing bar assembly 7 include intersect setting and infall phase pivot connection two foundation struts 71, two Foundation strut 71 respectively extends along the longitudinal direction, and every foundation strut 71 is realized as follows with the bottom bar 1 of two sides and connected: The front of bottom supporting rod 71 be rotationally connected on the front of side rear bar 12 and the posterior rotation of the bottom supporting rod 71 be connected to it is another On the rear portion of side front bar 11.While two bottom supporting rods 71 are relatively rotated and are collapsed in left-right direction, front bar 11 on two sides bottom bar 1 With the relative telescopic along the longitudinal direction of rear bar 12.

Upper strut component 8 includes intersecting and in two upper struts 81 of infall phase pivot connection, two upper struts 81 updip extensions from front to back respectively, every upper strut 81 are realized as follows with the side stand 10 of two sides and are connected: on The front of strut 81 is rotationally connected to the lower part of side front rod 2 or the lower part of hound 4, and rear portion of strut 81 turns on this It is connected on the rear portion of other side seat bar 61 dynamicly.In the present embodiment, the front of upper strut 81 passes through preceding 82 pivot of connecting shaft It is connected with front connector 83, which passes through aforementioned the 5th axis 105 of first axle 101/ and front rod 2 and hound 4 Phase pivot connection, the axial line of preceding connecting shaft 82 are arranged mutual vertically with the axial line of first axle 101；The rear portion of upper strut 81 The rear portion of present bar 61 is rotationally connected by rear connectors 84, which is present on bar 61 after sliding sleeve 62 Side.

Wheel assembly has two groups for being divided into the left and right sides, and every group of wheel assembly includes the front wheels set on 11 bottom front of front bar Part 20 and wheel assembly 30 set on 12 bottom rear portion of rear bar.When stroller frame is in unfolded state, referring to attached Fig. 1 to Fig. 4 institute Show, the side stand 10 of two sides respectively self-deploys, and bottom bracing bar assembly 7 is unfolded respectively with upper strut component 8 and is supported in left-right direction Between the side stand 10 of two sides, two groups of front components 20 and wheel assembly 30 are supported in ground jointly.On each side side stand 10, bottom Between bar 1, front rod 2 and rear pole 3 constitute triangle stable support structure so that vehicle frame have in the deployed state it is good Rigidity.

When needing to fold up stroller frame, after unlocking push rod locking piece 53, driven according to the direction A in such as Fig. 3 Upper push-rod 52 is set to overturn folding with respect to lower push-rod 51, until upper push-rod 52 overturns the rear side for collapsing to lower push-rod 51, such as Fig. 5 institute Show, at this point, locking joint 9 is unlocked；Continue according to the direction B in such as Fig. 5 to overturn 5 entirety of push rod forward, this makes each side side It is relatively rotated between 10 insole lever 1 of bracket, front rod 2, rear pole 3, hound 4, seat bar assembly 6 and push rod 5 and gradually along upper Lower direction is collapsed, and the rear bar 12 in bottom bar 1 with respect to front bar 11 gradually along the direction C forward slip so that 30 direction of wheel assembly Approach front component 20 moves forward, as shown in Figure 6, Figure 7.At the same time, divide between strut 81 between two bottom supporting rods 71, on two It does not relatively rotate and gradually gradually collapses in left-right direction, be further driven between each rod piece in each side stand 100 vertically It gradually collapses in direction.Finally, stroller frame folds state as shown in Figure 8, Figure 9, and front bar 11 and rear bar 12 are along front and back in bottom bar 1 Shorten to sliding, front rod 2, rear pole 3, hound 4, seat bar 61 and push rod 5 are close along the vertical direction to be collapsed, and bottom supporting rod group Part 7 collapses in left-right direction with upper strut component 8 and two side stands 10 is transversely collapsed, and stroller frame is by front component 20 It is supported in ground jointly with wheel assembly 30.The size of folded vehicle frame in all directions, which has, significantly to be reduced, each bar Part arrangement is compact, and very smooth structure is presented, and convenient for storage and transports.

When needing for the stroller frame to be unfolded to make its with respect to lower push-rod 51 in use, only need to pull up upper push-rod 52 Overturning open after, and by lower push-rod 51 drive front rod 2 top and rear pole 3 top uplink after, each side side stand 10 In each rod piece just relative motion and gradually opened along the longitudinal direction with up and down direction, two bottom supporting rods 71 of bottom bracing bar assembly 7 it Between, upper strut component 8 two on relatively rotate and be gradually opened in left-right direction respectively between strut 81 so that stroller frame edge Left and right directions is gradually spread out.Until locking and respectively being locked at joint 9 and push rod locking piece 53, pushed away after stroller frame is fully deployed Vehicle carriage is steadily locked under unfolded state.

To sum up, the Bi-directional foldable stroller of the utility model, vehicle frame folding principle is simple and reliable, is able to achieve cart preceding Afterwards, left and right, up and down direction folds and unfolds, easy to carry, easy to operate, practical.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims

1. A two-way foldable cart, comprising a cart frame having an unfolded state and a folded state, a wheel assembly disposed at the bottom of the cart frame, and a wheel assembly for locking the cart frame in the unfolded state A locking mechanism, the cart frame includes two side brackets arranged on the left and right sides respectively, and a cross brace assembly arranged between the side brackets on both sides and capable of being folded in the transverse direction. The side brackets all include a bottom rod, a front link, a rear strut, a diagonal strut, a push rod and a seat post assembly,

The bottom rod includes a front rod and a rear rod that respectively extend in the front-rear direction and are relatively sliding and telescopic in the front-rear direction. The upper part of the front link is pivotally connected to the lower part of the push rod through the second shaft; the rear strut extends in the up-down direction, and the lower part of the rear It is pivotally connected to the rear rod through a third shaft, the upper part of the rear strut is pivotally connected to the lower part of the push rod through a fourth shaft, and the second shaft and the axis line of the fourth shaft are arranged parallel to each other; the diagonal struts extend in the front-rear direction, and the front part of the diagonal strut is pivotally connected to the lower part of the front link through the fifth axis or is pivotally connected to the front part of the front rod , the rear part of the diagonal strut is pivotally connected to the rear strut through a sixth axis, the axis lines of the first axis and the fifth axis extend parallel or collinear with each other, and the seat post assembly Including a seat post extending in the front-rear direction and a sliding member pivotally connected to the rear stay, the front portion of the seat post is pivotally connected to the front link, and the sliding member is along the seat post. The extension direction is slidably arranged on the seat post;

The cross brace assembly includes a bottom brace rod assembly disposed between the bottom rods on both sides, and an upper brace rod assembly disposed between the lower part of the front link on both sides and the rear part of the seat post .

2 . The two-way foldable cart according to claim 1 , wherein the bottom support rod assembly comprises two bottom support rods arranged in an intersection and pivotally connected at the intersection, and the bottom support rods are in the front-rear direction. 3 . By extension, the front part of the bottom stay rod is rotatably connected to the front part of the rear rod on one side and the rear part of the bottom stay rod is rotatably connected to the rear part of the front rod on the other side.

3. The two-way foldable cart according to claim 1, wherein the upper strut assembly comprises two upper struts which are arranged to intersect with each other and are pivotally connected at the intersection, and the upper struts run from front to rear The front part of the upper strut is rotatably connected to the lower part of the front link on one side or the lower part of the diagonal strut, and the rear part of the upper strut is rotatably connected to the other. The rear of the seatpost on one side.

4 . The bidirectional folding cart according to claim 3 , wherein the front part of the upper strut is pivotally connected with a front connecting piece through a front connecting shaft, and the front connecting piece passes through the first shaft. 5 . / The fifth shaft is pivotally connected to the front link or the diagonal strut, the first shaft and the axis of the fifth shaft are arranged collinearly, and the axis of the front connecting shaft is It is arranged perpendicular to the axis line of the first shaft.

5 . The two-way folding cart according to claim 3 , wherein the rear part of the upper stay is connected to the rear part of the seat post through a rear connector, and the rear connector is connected to the seat post. 6 . is located behind the slider.

6 . The two-way foldable cart according to claim 1 , wherein the rear rod is provided with a chute extending along its length direction with the opening facing downward, and the rear part of the front rod is inserted in a sliding fit. 7 . in the chute.

7 . The two-way folding cart according to claim 1 , wherein the front part of the seat post is connected to the front link through a seventh axis pivot, and the sliding member is connected through an eighth axis pivot. 8 . Connected to the rear strut, the seventh shaft is positioned between the first shaft and the second shaft on the front link, and the eighth shaft is positioned on the rear strut between the first shaft and the second shaft. between the fourth axis and the sixth axis.

8 . The bidirectional foldable cart according to claim 1 , wherein the wheel assemblies have two groups arranged on the left and right sides, and each group of the wheel assemblies includes a pair of wheels arranged at the front of the front pole bottom. 9 . A front wheel assembly and a rear wheel assembly disposed at the rear of the rear pole bottom, when the cart frame is in a folded state, the two groups of the front wheel assemblies and the rear wheel assemblies are jointly supported on the ground.

9 . The bidirectional folding cart according to claim 1 , wherein the push rod comprises an upper push rod and a lower push rod that are folded relative to each other along the length direction, and a push rod for connecting the upper push rod and the A push rod locking piece for locking the lower push rod, the lower push rod is connected with the front link and the rear strut.

10 . The bi-folding cart according to claim 9 , wherein the locking mechanism comprises a locking mechanism disposed between the upper portion of the front link and the lower portion of the lower push rod for locking the two. 11 . After the push rod locking member is unlocked, the upper push rod is folded relative to the lower push rod to unlock the locking joint in linkage.