CN211918802U - Baby carriage capable of being transversely folded - Google Patents

Abstract

The utility model relates to a can transversely folding bassinet, include the bicycle frame body and install in the wheel of bicycle frame body, the bicycle frame body includes along transverse distribution and can follow transversely draw in or two collateral branch framves that expand and install between two collateral branch framves and draw in or the folding support that expands in with two collateral branch framves of control, the collateral branch frame includes rear wheel branch, articulates in the front wheel branch that the upper end of rear wheel branch is close to rear wheel branch one end in pushing away a barre and upper portion, the pin joint axis of rear wheel branch and the pin joint axis of front wheel branch set up along transversely. The utility model discloses have the folding effect that highly reduces after accomodating of folding and the bassinet of being convenient for.

Description

Baby carriage capable of being transversely folded

Technical Field

The utility model belongs to the technical field of the technique of bassinet and specifically relates to a bassinet that can transversely fold is related to.

Background

The baby carriage is a tool vehicle designed for providing convenience for outdoor activities of babies, is a favorite walking vehicle for babies, and is an essential product for mothers to go shopping on the street with the babies. With the progress of production and living, the usage scenes of the baby carriage are more and more.

At present, chinese patent publication No. CN 108327771 a discloses a foldable stroller, which comprises a transverse support capable of being folded transversely and a longitudinal support disposed at two sides of the transverse support and capable of being folded longitudinally, wherein the longitudinal support comprises a double-slider five-bar linkage mechanism and a support linkage rod, the double-slider five-bar linkage mechanism comprises a front support rod, a push handle, a rear support rod, a first sliding member and a seat rod, which are connected in sequence, the push handle is slidably sleeved at the upper end of the front support rod, the push handle is hinged with the rear support rod, the first sliding member is slidably held on the rear support rod, the lower ends of the front support rod and the rear support rod are respectively provided with a wheel set, two ends of the support linkage rod are respectively hinged with the rear support rod and the seat rod, the transverse support capable of being folded transversely and the longitudinal support capable of being folded longitudinally are provided, the longitudinal support comprises a double-slider five-bar mechanism and a supporting linkage rod, the quick folding and self-standing are realized through the link transmission of the double-slider five-bar mechanism, and the limiting support after folding is realized through the supporting linkage rod, so that the foldable baby carrier has a one-step folding mode and self-standing placement capability.

The above prior art solutions have the following drawbacks: the folding baby carriage can stand independently after being folded, when the folding baby carriage is folded and placed in an activity place where children are located, the children are difficult to avoid touching due to curiosity, and the baby carriage is easy to force to topple due to high gravity center in a self-standing state, so that certain dangerousness is realized.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a can transversely folding bassinet, its advantage lies in the folding and folding back height reduction of accomodating of the bassinet of being convenient for.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

content of the master right: the utility model provides a but horizontal folding bassinet, includes the bicycle frame body and installs in the wheel of bicycle frame body, the bicycle frame body includes along horizontal distribution and can follow two side supports that transversely draw in or expand and install the folding support that draws in or expand in order to control two side supports between two side supports, the side support includes rear wheel branch, articulates in push handle pole and the upper portion of the upper end of rear wheel branch and articulates in the front wheel branch that push handle pole is close to rear wheel branch one end, the pin joint axis of rear wheel branch and the pin joint axis of front wheel branch set up along transversely.

Through adopting above-mentioned technical scheme, through folding in of support control both sides support, the bassinet draws in when folding in, the upper end of front wheel branch is downward along clockwise towards being close to rear wheel branch direction and is rotated, the upper end of rear wheel branch is downward along anticlockwise towards being close to front wheel branch direction and is rotated, promote pushing away the anticlockwise towards being close to front wheel branch direction of edge of barre simultaneously and rotate 180 degrees, realize direction of height's folding, effectively reduce the focus of this bassinet, and simultaneously, both sides support draws in towards the direction of being close to each other, effectively reduce its volume, from reducing its occupation space.

The present invention may be further configured in a preferred embodiment as: the folding bracket comprises two first connecting rods which are distributed in a crossed manner and a limiting assembly which limits the two side brackets to be folded or unfolded, one end of each first connecting rod is hinged to the lower portion of the corresponding front wheel supporting rod, the other end of each first connecting rod is hinged to the lower portion of the corresponding rear wheel supporting rod, and the crossed portion of the two first connecting rods is hinged through a first rotating shaft.

By adopting the technical scheme, when the baby carriage is folded, the two side supports are pushed to be folded towards the mutual approaching direction simultaneously by releasing the folding and folding limitation of the limiting assembly on the two side supports, one of the first connecting rods is driven to rotate around the axis of the first rotating shaft in the anticlockwise direction, and the other first connecting rod rotates around the axis of the first rotating shaft in the clockwise direction, so that the reduction of the transverse volume of the baby carriage is realized.

The present invention may be further configured in a preferred embodiment as: first rotating shaft sleeve is equipped with and forces the articulated department of two first connecting rods and front wheel branch or the articulated department of two first connecting rods and rear wheel branch towards direction pivoted torsional spring that is close to each other, the both ends of torsional spring fixed connection respectively in two first connecting rod.

Through adopting above-mentioned technical scheme, first rotation axis cover is equipped with the torsional spring, make two first connecting rods have certain tightening force in advance, convenient to use person is when drawing in folding bassinet in, realize automatic folding in the twinkling of an eye through the pivoted of removing spacing subassembly offside support, on the one hand, improve folding efficiency, on the other hand, realize the complete folding of bassinet, thereby prevent that the bassinet from being in under the state of half-open half-close, children's mistake is sat and is sent out the incident, further improve the security of bassinet.

The present invention may be further configured in a preferred embodiment as: the folding support further comprises two second connecting rods which are distributed in a crossed mode, one end of each second connecting rod is hinged to the rear wheel supporting rod, the other end of each second connecting rod is hinged to the push handle rod on the opposite side, and the crossed position of the two second connecting rods is hinged through a second rotating shaft.

Through adopting above-mentioned technical scheme, be provided with the second connecting rod of cross distribution, the both ends of second connecting rod articulate respectively in rear wheel branch and push away the barre, on the one hand, strengthen the structural strength and the reliable and stable nature of this bassinet, on the other hand sets up the second connecting rod and expandes to form the cross and provide the back for children.

The present invention may be further configured in a preferred embodiment as: spacing subassembly includes two first locating parts that are cross distribution, the one end of first locating part articulates in the lower part of second connecting rod, two the intersection of first locating part is articulated through the third rotating shaft, one of them the one end of keeping away from the second connecting rod of first locating part is provided with joint portion, is provided with the joint groove that supplies joint portion to slide the joint on the other one first locating part, the spacing groove has been seted up in the joint groove, joint portion protrusion is provided with the elasticity stopper of scarf joint in the spacing groove, and the stopper is in the expansion state when scarf joint in the spacing groove.

Through adopting above-mentioned technical scheme, during folding, the user applys certain effort to first locating part for elastic limiting block breaks away from the spacing groove on the joint groove in joint portion, thereby removes the limiting action to the both sides support, and one of them first locating part is followed clockwise and is gone up to be close to the side support direction and rotate, and another first locating part is followed anticlockwise and is gone up to be close to the side support direction and rotate.

The present invention may be further configured in a preferred embodiment as: the first limiting part positioned at the rear side is convexly provided with a lifting part which is convenient for a user to take out the hand.

Through adopting above-mentioned technical scheme, be provided with and carry the portion of drawing, the moment of torsion is exerted to the first locating part that is located the rear side to the convenient to use.

The present invention may be further configured in a preferred embodiment as: rear wheel branch is provided with the upper end of restriction front wheel branch and is close to first connecting rod direction pivoted protection component towards, the second locating part of rear wheel branch is located including the cover to the protection component, wears to locate the dwang of second locating part and rear wheel branch and wears to locate the gag lever post of second locating part, the second locating part is right angled triangle's connecting plate and connects in two connecting plates and be located the limiting plate integrated into one piece of connecting plate place swash plate along transverse distribution and cross section by two, the gag lever post is inserted and is located the right angle department of connecting plate, the dwang is worn to locate the connecting plate and is located the below of gag lever post, and the axis of dwang and gag lever post is all along horizontal setting.

By adopting the technical scheme, the limiting rod is abutted against the side wall of the rear wheel supporting rod in the unfolding state of the baby carrier, and when the front wheel supporting rod rotates, the end part of the front wheel supporting rod, which is close to the push handle rod, is abutted against one end of the second limiting part, so that the front wheel supporting rod is limited to continue rotating, and the phenomenon that a user cannot react soon due to too fast folding and hands are pinched is prevented; and rotating the second limiting piece to enable the limiting plate to abut against the side wall of the rear wheel strut, so that the limitation of the second limiting piece on the front wheel strut is removed.

The present invention may be further configured in a preferred embodiment as: the side support further comprises a supporting rod, one end of the supporting rod is hinged to the rear wheel supporting rod, the other end of the supporting rod is hinged to the front wheel supporting rod, the hinged position of the supporting rod and the front wheel supporting rod is located between the hinged position of the first connecting rod and the front wheel supporting rod and the hinged position of the front wheel supporting rod and the push handle rod, and the hinged position of the supporting rod and the rear wheel supporting rod is located between the hinged position of the first connecting rod and the rear wheel supporting rod and the hinged position of the rear wheel supporting rod and the push handle rod.

Through adopting above-mentioned technical scheme, be provided with the bracing piece, the user locates the tip of bracing piece front wheel branch with one side cover of seat cloth, and on the opposite side wore to locate the push handle pole, provides the installation base member for seat support cloth.

The present invention may be further configured in a preferred embodiment as: the push handle rod slides along the axis direction of the push handle rod to form a fastening piece for fixing the folded baby carriage, one side of the fastening piece is provided with a connecting part coaxially sleeved with the push handle rod in a rotating mode, and one side, far away from the connecting part, of the fastening piece is provided with a movable fastening part fastened on the first connecting rod.

Through adopting above-mentioned technical scheme, the cramp is provided with connecting portion and buckling part, and after the bassinet was folded, slide suitable position with the cramp and with buckling part lock joint in first connecting rod to the restriction is pushed away a pole and is taken place relative rotation with front wheel branch, prevents that bassinet after folding from pushing away a pole and front wheel branch and taking place relative rotation in handling, thereby causes inconveniently.

The present invention may be further configured in a preferred embodiment as: buckling part includes that two are the elasticity grip blocks of arc setting, form the clamping part that supplies the first connecting rod of centre gripping between two grip blocks, have between two grip blocks and communicate in the opening that the clamping part came in and go out in order to supply first connecting rod, be located and keep away from connecting portion the protruding piece that is provided with of grip block unloads the power.

Through adopting above-mentioned technical scheme, folding the back of accomplishing, adjust the sliding position of cramp, thereby exert to cramp and force first connecting rod from the opening part lock joint in the clamping part towards the effort that is close to first connecting rod direction to the restriction pushes away handlebar pole and front wheel branch and takes place relative rotation, when needs expand the bassinet, applys the effort towards keeping away from first connecting rod direction to unloading the power piece, and first connecting rod is from the opening part roll-off, thereby removes the restriction to pushing away handlebar pole and front wheel branch.

To sum up, the utility model discloses a following at least one useful technological effect:

the folding supports are used for controlling the folding of the supports on the two sides, when the baby carrier is folded, the upper end of the front wheel supporting rod downwards rotates towards the direction close to the rear wheel supporting rod along the clockwise direction, the upper end of the rear wheel supporting rod downwards rotates towards the direction close to the front wheel supporting rod along the anticlockwise direction, meanwhile, the push handle rod is pushed to rotate 180 degrees towards the direction close to the front wheel supporting rod along the anticlockwise direction, the folding in the height direction is achieved, the gravity center of the baby carrier is effectively reduced, meanwhile, the supports on the two sides are folded towards the mutually close direction, the size of the baby carrier is effectively reduced, and the occupied space;

the two first connecting rods have certain pre-tightening force, so that a user can conveniently and automatically fold the baby carriage at the moment of releasing the rotation of the side support by the limiting component when folding the baby carriage, on one hand, the folding efficiency is improved, and on the other hand, the baby carriage is completely folded, so that the baby carriage is prevented from being in a half-open and half-closed state, children are prevented from mistakenly sitting to send out safety accidents, and the safety of the baby carriage is further improved;

when the baby carriage is unfolded, the limiting rod abuts against the side wall of the rear wheel supporting rod, and when the front wheel supporting rod rotates, the end part, close to the push handle rod, of the front wheel supporting rod abuts against one end of the second limiting part, so that the front wheel supporting rod is limited to continue rotating, and the phenomenon that a user cannot react in time due to too fast folding and hands are pinched is prevented; rotating the second limiting piece to enable the limiting plate to abut against the side wall of the rear wheel strut, so that the limitation of the second limiting piece on the front wheel strut is removed;

the buckle piece is provided with connecting portion and buckling part, and after the bassinet was folded, slide to suitable position with the buckle piece and with buckling part lock joint in first connecting rod to the restriction is pushed away a pole and is taken place relative rotation with front wheel branch, and the bassinet that prevents to fold takes place relative rotation at push away a pole and front wheel branch in handling, thereby causes inconvenience.

Drawings

FIG. 1 is a schematic view of the unfolded state of a stroller that is foldable in a transverse direction in practice;

FIG. 2 is a schematic structural view of a first link in the embodiment;

FIG. 3 is a schematic structural diagram of a position limiting assembly in the embodiment;

FIG. 4 is an exploded view of the first position-limiting member according to an embodiment;

FIG. 5 is a schematic structural view of a shield assembly according to an embodiment;

FIG. 6 is a schematic view of the structure of a fastening member in the embodiment;

fig. 7 is a schematic view showing a folded state of the laterally foldable stroller in the embodiment.

In the figure, 1, a frame body; 11. a side bracket; 111. a front wheel strut; 112. a rear wheel strut; 113. a handle pushing rod; 1131. pushing the handle; 114. a support bar; 12. folding the bracket; 121. a first link; 1211. a first rotating shaft; 1212. a torsion spring; 122. a second link; 1221. a second rotating shaft; 123. a limiting component; 1231. a first limit piece; 1232. a third rotating shaft; 1233. a clamping groove; 1234. a limiting groove; 1235. a clamping part; 1236. a limiting block; 1237. a pulling section; 2. a wheel; 3. a guard assembly; 31. a second limiting member; 311. a connecting plate; 312. a limiting plate; 32. rotating the rod; 33. a limiting rod; 4. fastening pieces; 41. a connecting portion; 42. a buckling part; 421. a clamping block; 43. a clamping portion; 44. and (7) a force unloading block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a baby carriage capable of being transversely folded, including frame body 1 and install in wheel 2 of frame body 1, frame body 1 includes along transverse distribution and can follow transversely draw in or two collateral branch framves 11 that expand and install between two collateral branch framves 11 in order to control two collateral branch framves 11 and draw in or the folding support 12 that expands.

The side bracket 11 includes a rear wheel support rod 112, a push handle rod 113 hinged to the upper end of the rear wheel support rod 112, a front wheel support rod 111 hinged to the push handle rod 113 at its upper portion near one end of the rear wheel support rod 112, and a support rod 114 hinged to the rear wheel support rod 112 at one end and hinged to the front wheel support rod 111 at the other end. The lower end of the front wheel strut 111 and the lower end of the rear wheel strut 112 are respectively connected with a front wheel 2 and a rear wheel 2 in a rotating way, and the axis of a hinge point of the rear wheel strut 112 and the axis of the hinge point of the front wheel strut 111 are transversely arranged. The top end of the push handle bar 113 is provided with a push handle 1131, the hinged position of the support bar 114 and the front wheel support bar 111 is located between the hinged position of the first connecting bar 121 and the front wheel support bar 111 and the hinged position of the front wheel support bar 111 and the push handle bar 113, and the hinged position of the support bar 114 and the rear wheel support bar 112 is located between the hinged position of the first connecting bar 121 and the rear wheel support bar 112 and the hinged position of the rear wheel support bar 112 and the push handle bar 113.

Referring to fig. 1 and 2, the folding bracket 12 includes two first connecting rods 121 distributed crosswise, two second connecting rods 122 distributed crosswise, and a limiting assembly 123 for limiting the folding or unfolding of the two side brackets 11. One end of the first link 121 is hinged to the lower portion of the front wheel strut 111 and the other end is hinged to the lower portion of the opposite side of the rear wheel strut 112, and the intersection of the two first links 121 is hinged by a first rotating shaft 1211. One end of the second link 122 is hinged to the rear wheel strut 112 and the other end is hinged to the opposite push handle bar 113, and the intersection of the two second links 122 is hinged through a second rotating shaft 1221. The first rotating shaft 1211 is sleeved with a torsion spring 1212 for forcing the hinge of the two first connecting rods 121 and the front wheel strut 111 or the hinge of the two first connecting rods 121 and the rear wheel strut 112 to rotate in the direction of approaching each other, and two ends of the torsion spring 1212 are respectively fixedly connected to the two first connecting rods 121.

Referring to fig. 3 and 4, the limiting assembly 123 includes two first limiting members 1231 that are distributed in a cross manner, one end of each first limiting member 1231 is hinged to the lower portion of the second connecting rod 122, the intersection of the two first limiting members 1231 is hinged to the third rotating shaft 1232, one end of one of the first limiting members 1231, which is away from the second connecting rod 122, is provided with a clamping portion 1235, another one of the first limiting members 1231 is provided with a clamping groove 1233 for allowing the clamping portion 1235 to slide and clamp, the clamping groove 1233 is provided with a limiting groove 1234, the clamping portion 1235 protrudes to be provided with an elastic limiting block 1236 that is embedded in the limiting groove 1234, and when the limiting block 1236 is embedded in the limiting groove 1234, the stroller is in an unfolded. The first position-limiting part 1231 at the rear side is convexly provided with a lifting part 1237 which is convenient for a user to take out by hand. The first limiting member 1231 is a plastic member, and a thermoplastic elastomer is added to the plastic member, so that the softness and deformation resistance of the product are improved.

Referring to fig. 1 and 5, the rear wheel strut 112 is provided with a protection component 3 for limiting the upper end of the front wheel strut 111 to rotate towards the direction close to the first connecting rod 121, and the protection component 3 includes a second limiting member 31 sleeved on the rear wheel strut 112, a rotating rod 32 penetrating through the second limiting member 31 and the rear wheel strut 112, and a limiting rod 33 penetrating through the second limiting member 31. The second limiting part 31 is formed by two connecting plates 311 which are transversely distributed and have right-angled triangle cross sections and a limiting plate 312 which is connected to the two connecting plates 311 and is located on an inclined plate where the connecting plate 311 is located, the limiting rod 33 penetrates through the right-angled position of the connecting plate 311, the rotating rod 32 penetrates through the connecting plate 311 and is located below the limiting rod 33, and the axes of the rotating rod 32 and the limiting rod 33 are transversely arranged.

Referring to fig. 6 and 7, the push handle rod 113 is connected with a fastening piece 4 for fixing the folded stroller in a sliding manner along the axial direction of the push handle rod 113, the fastening piece 4 is made of plastic, a connecting portion 41 coaxially sleeved on the push handle rod 113 in a rotating manner is arranged on one side of the fastening piece 4, and a fastening portion 42 movably fastened to the first connecting rod 121 is arranged on one side of the fastening piece 4 away from the connecting portion 41. The buckling part 42 includes two elastic clamping blocks 421 that are arc-shaped, forms the clamping part that supplies the first connecting rod 121 of centre gripping between two clamping blocks 421, has the opening that communicates in the clamping part in order to supply the first connecting rod 121 to come in and go out between two clamping blocks 421, is located and is provided with the piece 44 of unloading of protruding on the clamping block 421 of keeping away from connecting portion 41.

The implementation process of the embodiment is as follows: when the stroller is folded, a user applies upward torque to the first limiting members 1231, so that the elastic limiting members 1236 on the clamping portions 1235 are separated from the limiting grooves 1234 on the clamping grooves 1233, and the limiting effect on the brackets 11 on two sides is removed, wherein one first limiting member 1231 rotates clockwise towards the side bracket 11, and the other first limiting member 1231 rotates counterclockwise towards the side bracket 11; at this time, the two first connecting rods 121 rotate under the action of the pre-tightening force of the torsion spring 1212, so as to drive the side bracket 11 to fold in the transverse direction, the upper end of the front wheel strut 111 rotates downwards in the clockwise direction towards the direction close to the rear wheel strut 112, the upper end of the rear wheel strut 112 rotates downwards in the counterclockwise direction towards the direction close to the front wheel strut 111, and meanwhile, the push handle rod 113 is pushed to rotate in the counterclockwise direction towards the direction close to the front wheel strut 111; when the end of the front wheel strut 111 close to the push handle rod 113 abuts against one end of the second limiting piece 31, the front wheel strut 111 is limited to continue rotating, the phenomenon that the user cannot react due to too fast folding and the hand is pinched is prevented, and at the moment, the hand of the user rotates the second limiting piece 31 to enable the limiting piece 312 to abut against the side wall of the rear wheel strut 112, so that the rotation limitation of the second limiting piece 31 on the front wheel strut 111 is removed, and the fast folding is completed; after the folding is completed, the sliding position of the fastening member 4 is adjusted, and a force is applied to the fastening member 4 in a direction approaching the first link 121 to force the first link 121 to be fastened to the grip portion from the opening, thereby restricting the relative rotation of the push lever 113 and the front wheel strut 111.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A stroller foldable in a transverse direction, characterized in that: including car frame body (1) and install in wheel (2) of car frame body (1), car frame body (1) includes along transverse distribution and can follow two side support (11) that transversely draw in or expand and install folding support (12) that draw in or expand in order to control two side support (11) between two side support (11), side support (11) include rear wheel branch (112), articulate in push handle pole (113) and the upper portion of the upper end of rear wheel branch (112) and articulate in front wheel branch (111) that push handle pole (113) are close to rear wheel branch (112) one end, the pin joint axis of rear wheel branch (112) and the pin joint axis of front wheel branch (111) set up along transversely.

2. A laterally collapsible stroller as defined in claim 1, wherein: the folding bracket (12) comprises two first connecting rods (121) which are distributed in a crossed manner and a limiting assembly (123) for limiting the two side brackets (11) to be folded or unfolded, one end of each first connecting rod (121) is hinged to the lower portion of the corresponding front wheel supporting rod (111), the other end of each first connecting rod is hinged to the lower portion of the corresponding rear wheel supporting rod (112), and the crossed portion of the two first connecting rods (121) is hinged through a first rotating shaft (1211).

3. A laterally collapsible stroller as defined in claim 2, wherein: the first rotating shaft (1211) is sleeved with a torsion spring (1212) which forces the hinged parts of the two first connecting rods (121) and the front wheel supporting rod (111) or the hinged parts of the two first connecting rods (121) and the rear wheel supporting rod (112) to rotate towards the mutual approaching direction, and two ends of the torsion spring (1212) are respectively and fixedly connected with the two first connecting rods (121).

4. A laterally collapsible stroller as defined in claim 2, wherein: the folding support (12) further comprises two second connecting rods (122) which are distributed in a crossed mode, one end of each second connecting rod (122) is hinged to the corresponding rear wheel supporting rod (112), the other end of each second connecting rod is hinged to the corresponding push handle rod (113) on the opposite side, and the crossed position of the two second connecting rods (122) is hinged through a second rotating shaft (1221).

5. A laterally collapsible stroller as defined in claim 4, wherein: spacing subassembly (123) are cross distribution's first locating part (1231) including two, the one end of first locating part (1231) articulates in the lower part of second connecting rod (122), two the junction of first locating part (1231) is articulated through third axis of rotation (1232), one of them the one end of keeping away from second connecting rod (122) of first locating part (1231) is provided with joint portion (1235), is provided with joint groove (1233) that supplies joint portion (1235) joint that slides on another one first locating part (1231), spacing groove (1234) have been seted up in joint groove (1233), joint portion (1235) protrusion is provided with elasticity stopper (1236) of scarf joint in spacing groove (1234), and stopper (1236) are scarf joint when spacing groove (1234), and the bassinet is in the state of expanding.

6. A laterally collapsible stroller as defined in claim 5, wherein: the first limiting piece (1231) positioned at the rear side is convexly provided with a lifting part (1237) which is convenient for a user to take by hand.

7. A laterally collapsible stroller as defined in claim 6, wherein: the rear wheel support rod (112) is provided with a protection component (3) which limits the upper end of the front wheel support rod (111) to rotate towards the direction close to the first connecting rod (121), the protection component (3) comprises a second limiting part (31) sleeved on the rear wheel support rod (112), a rotating rod (32) penetrating through the second limiting part (31) and the rear wheel support rod (112), and a limiting rod (33) penetrating through the second limiting part (31), the second limiting part (31) is integrally formed by two connecting plates (311) which are distributed along the transverse direction and have right-angled triangle cross sections and a limiting plate (312) which is connected with the two connecting plates (311) and is positioned on an inclined plate where the connecting plates (311) are positioned, gag lever post (33) insert the right angle department of locating connecting plate (311), connecting plate (311) and the below that is located gag lever post (33) are worn to locate by dwang (32), and the axis of dwang (32) and gag lever post (33) all sets up along transversely.

8. A laterally collapsible stroller as defined in claim 2, wherein: the side support (11) further comprises a support rod (114) with one end hinged to the rear wheel support rod (112) and the other end hinged to the front wheel support rod (111), the hinged position of the support rod (114) and the front wheel support rod (111) is located between the hinged position of the first connecting rod (121) and the front wheel support rod (111) and the hinged position of the front wheel support rod (111) and the push handle rod (113), and the hinged position of the support rod (114) and the rear wheel support rod (112) is located between the hinged position of the first connecting rod (121) and the rear wheel support rod (112) and the hinged position of the rear wheel support rod (112) and the push handle rod (113).

9. A laterally collapsible stroller as defined in claim 8, wherein: push away handle pole (113) and slide along the axis direction of pushing away handle pole (113) and have buckle spare (4) that the bassinet after folding carries out the fixing, one side of buckle spare (4) is provided with coaxial rotation cover and locates connecting portion (41) of pushing away handle pole (113), one side that connecting portion (41) were kept away from in buckle spare (4) is provided with movable lock joint in buckle portion (42) of first connecting rod (121).

10. A laterally collapsible stroller as defined in claim 9, wherein: buckling part (42) are including two elasticity grip blocks (421) that are the arc setting, two form the grip block that supplies first connecting rod of centre gripping (121) between grip block (421), have between two grip blocks (421) and communicate in the opening of grip block in order to supply first connecting rod (121) to come in and go out, are located and keep away from connecting portion (41) the protruding power piece (44) of unloading that is provided with on grip block (421).

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