CN210882282U

CN210882282U - Folding baby stroller

Info

Publication number: CN210882282U
Application number: CN201920690432.8U
Authority: CN
Inventors: 张红涛
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-06-30
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a folding children cart, the seat pocket comprises a seat board and a backrest which is rotationally connected with the seat board, the seat board is rotationally connected with the frame, a locking mechanism which limits the relative rotation relationship between the seat board and the frame and can be unlocked through the rotation of the backrest is arranged between the seat board and the frame, when the backrest is opened relative to the seat board, the locking mechanism is in a locking state, and the relative rotation relationship between the seat board and the frame is locked; when the backrest is closed relative to the seat plate, the locking mechanism is in an unlocked state, and the relative rotation relationship between the seat plate and the frame is released. Through the rotation between the back of seat pocket and the bedplate, unblock between messenger's bedplate and the frame to can fold the seat pocket, then folding frame has realized that the seat pocket can carry out whole car folding under the condition of installing in the frame, no longer need pull down the seat pocket earlier and carry out whole car folding again.

Description

Folding baby stroller

Technical Field

The utility model relates to a folding children's shallow.

Background

A baby stroller is a very common tool for children to ride instead of walk, and comprises a foldable and openable frame, a seat pocket arranged on the frame, wheels arranged at the bottom of the frame and a locking mechanism for keeping the frame in an open state. When not in use, the folding type portable umbrella is folded so as to be convenient to store and carry. In order to facilitate the use and enhance the functionality of the stroller, the seat pocket of the stroller can be installed in the forward and reverse directions, when the seat pocket is installed on the frame in the forward direction, the backrest of the seat pocket is located at the rear side of the stroller, the child seated in the seat pocket faces forward, i.e., faces the normal traveling direction of the stroller, when the seat pocket is installed on the frame in the reverse direction, the backrest of the seat pocket is located at the front side of the stroller, and the child seated in the seat pocket faces rearward, i.e., faces away from the normal traveling direction of the stroller. In order to realize the installation of positive and negative two to, be detachable connection structure between seat pocket and the frame, because this can dismantle coupling mechanism's restriction, lead to unable setting up synchronous folding mechanism, make the frame drive the seat pocket synchronous folding when folding, among the prior art, what adopt usually is, before the frame is folding, pull down the seat pocket earlier, folding frame again, very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, an object of the present invention is to provide a foldable stroller.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a foldable baby carriage comprises a frame capable of being opened and folded, and a seat pocket capable of being mounted on the frame in a forward direction and a reverse direction, wherein the seat pocket comprises a seat board and a backrest which is rotatably connected with the seat board and can be opened and closed relative to the seat board, the seat board is rotatably connected with the frame when the seat pocket is mounted on the frame in the forward direction or in the reverse direction, a locking mechanism which limits the relative rotation relationship between the seat board and the frame and can be unlocked through the rotation of the backrest is arranged between the seat board and the frame,

when the backrest is opened relative to the seat plate, the locking mechanism is in a locking state, and the relative rotation relationship between the seat plate and the frame is locked; when the backrest is closed relative to the seat plate, the locking mechanism is in an unlocked state, and the relative rotation relationship between the seat plate and the frame is released.

Further, the locking mechanism comprises a sliding lock piece capable of sliding relative to the seat plate, the sliding lock piece has a locking position, a first unlocking position and a second unlocking position through relative sliding between the sliding lock piece and the seat plate, and when the sliding lock piece is in the locking position, the locking mechanism is locked; when the seat pocket is installed in the forward direction and the sliding lock piece is located at the first unlocking position, the locking mechanism is unlocked; when the seat pocket is reversely installed and the sliding lock piece is located at the second unlocking position, the locking mechanism is unlocked.

Furthermore, the locking mechanism also comprises two locking grooves arranged on the frame and two sliding grooves communicated with the two locking grooves, and when the sliding locking piece is in a locking position, the two convex blocks are respectively positioned in the two locking grooves; when the sliding lock piece is located at the first unlocking position or the second unlocking position, the two convex blocks are separated from the two lock grooves respectively and are located in the two sliding grooves in a sliding mode respectively. Specifically, when the slide lock is in the first unlocked position, one projection is slidably positioned in one of the runners and the other projection is slidably positioned in the other runner; the one projection is slidably positioned in the other slide channel and the other projection is slidably positioned in the one slide channel when the slide lock is in the second unlocked position.

Further, the locked position is between the first unlocked position and the second unlocked position. The two lugs are symmetrically arranged by taking the rotation axis between the seat board and the frame as a center, the two locking grooves are symmetrically arranged by taking the rotation axis as a center, one end of each locking groove close to the rotation axis is an inner end, one end of each locking groove far away from the rotation axis is an outer end, the two sliding grooves are arc-shaped or circular rings with different radiuses, the circle centers of the arc-shaped or circular rings are on the rotation axis, one sliding groove is connected with the outer ends of the two locking grooves, and the other sliding groove is connected with the inner ends of the two locking grooves. Preferably, the two sliding grooves are both arc-shaped, and the two sliding grooves are respectively positioned above and below the locking groove.

Furthermore, the sliding locking piece is provided with an unlocking column, the backrest is provided with an unlocking boss which is detachably abutted with the unlocking column, when the backrest is opened relative to the seat plate, the unlocking boss is separated from the unlocking column, and the sliding locking piece is in a locking position; when the seat pocket is installed in the forward direction and the backrest is closed relative to the seat plate, the unlocking boss is abutted against the unlocking column and pushes the unlocking column to enable the sliding lock piece to be located at a first unlocking position; when the seat pocket is reversely installed and the backrest is closed relative to the seat plate, the unlocking boss is abutted to the unlocking column and pushes the unlocking column to enable the sliding lock piece to be located at a second unlocking position.

Furthermore, the frame is connected with the mount pad in a rotating mode, the seat board of the seat pocket is detachably connected with the mount pad in a forward and reverse mode, the sliding locking piece is arranged on the mount pad in a sliding mode, the mount pad is provided with a limiting groove, the unlocking column is arranged in the limiting groove in a penetrating mode in a sliding mode, when the sliding locking piece is located at a first unlocking position, the unlocking column is located at one end of the limiting groove, and when the sliding locking piece is located at a second unlocking position, the unlocking column is located at the other end of the limiting groove.

Further, the seat plate is provided with a guide groove in which the unlocking boss slides.

Further, the locking device further comprises two elastic members capable of sliding the sliding lock from the first unlocked position and the second unlocked position to the locked position, respectively.

Due to the adoption of the technical scheme, the utility model discloses folding children's shallow, the unable and synchronous folding problem of frame of seat pocket of having solved detachable construction makes the unblock between bedplate and the frame through the rotation between the back of seat pocket and the bedplate to can fold the seat pocket, then folding frame has realized that the seat pocket can be folded in order the car under the condition of installing in the frame, no longer need pull down the seat pocket earlier and fold in order the car again. And this folding children's shallow has realized seat pocket forward installation and reverse installation, and the seat pocket all can be folded and expand on the frame, no matter what kind of installation state of seat pocket, need not pull down the seat pocket when whole car is folding.

Drawings

Fig. 1 is a schematic structural view of the foldable stroller of the embodiment of the present invention when it is unfolded, wherein the seat pocket is installed in the forward direction;

FIG. 2 is a schematic structural view of the foldable stroller shown in FIG. 1 with the seat pockets mounted in a reverse orientation;

FIG. 3 is a schematic view of the folding stroller shown in FIG. 1 with the frame open;

FIG. 4 is a schematic view of the folding stroller shown in FIG. 1 in a folded configuration;

FIG. 5 is a schematic view of the folding stroller shown in FIG. 1 with the frame folded;

FIG. 6 is a schematic view of the folding stroller shown in FIG. 2 in a folded configuration;

FIG. 7 is a schematic view of the folding stroller shown in FIG. 2 with the frame folded;

FIG. 8 is a schematic structural view of the locking mechanism of the folding stroller shown in FIG. 1, in a locked position;

FIG. 9 is a schematic illustration of a disassembled structure of the locking mechanism shown in FIG. 8;

FIG. 10 is a schematic view of the locking mechanism of FIG. 8 shown in an alternate perspective, disassembled configuration;

FIG. 11 is a schematic view of the seat pocket of the foldable stroller shown in FIG. 1 with the backrest unfolded relative to the seat plate;

FIG. 12 is a schematic view of a portion of the structure of FIG. 11;

FIG. 13 is a schematic view of the seat pocket of FIG. 11 with the backrest closed relative to the seat pan;

FIG. 14 is a schematic view of a portion of the structure of FIG. 13;

FIG. 15 is a schematic perspective view of the locking mechanism of FIG. 8 in a locked condition;

FIG. 16 is a view from the opposite of FIG. 15;

FIG. 17 is a schematic structural view of the locking mechanism shown in FIG. 8 in an unlocked state with the seat pocket installed in a forward direction;

FIG. 18 is a view from the opposite of FIG. 17;

FIG. 19 is a schematic perspective view of the structure of FIG. 17;

FIG. 20 is a schematic view of the locking mechanism shown in FIG. 19 after the seat plate and the frame are rotated relative to each other;

FIG. 21 is a schematic view of the locking mechanism of FIG. 8 in an unlocked position with the seat pocket installed in an inverted orientation;

FIG. 22 is a view opposite that of FIG. 21;

FIG. 23 is a schematic perspective view of the structure of FIG. 21;

FIG. 24 is a schematic structural view of the locking mechanism after relative rotation between the seat plate and the frame based on the state shown in FIG. 23;

FIG. 25 is a schematic view of the lock slot and the slide slot of the locking mechanism shown in FIG. 8;

fig. 26 is a schematic structural view of a lock groove and a slide groove in another embodiment.

The reference numbers in the figures are:

100. a frame; 110. a mounting seat; 111. a socket; 112. a limiting groove; 113. a connecting shaft; 114. accommodating grooves; 120. a fixed seat;

200. a seat pocket; 210. a seat plate; 211. a guide groove; 212. inserting a block; 220. a backrest;

310. a sliding lock; 311. a bump; 312. unlocking the column; 313. an avoidance groove; 320. locking the groove; 330a to 330b, a chute, 340 and an elastic piece; 350. and unlocking the boss.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the present invention.

In the present application, "forward" means that the seat pocket is mounted on the frame in a state in which the backrest of the seat pocket is located at the rear side of the stroller, and the child seated in the seat pocket faces forward, i.e., faces the normal traveling direction of the stroller, and "reverse" means that the seat pocket is mounted on the frame in a state in which the backrest of the seat pocket is located at the front side of the stroller, and the child seated in the seat pocket faces rearward, i.e., faces away from the normal traveling direction of the stroller.

As can be seen from the schematic structural views of fig. 1 to 26, the foldable stroller in this embodiment includes a frame 100 that can be unfolded and folded, and a seat pocket 200 that can be installed on the frame 100 in both a forward direction and a reverse direction, the seat pocket 200 includes a seat plate 210 and a backrest 220 that is rotatably connected to the seat plate 210 and can be opened and closed with respect to the seat plate 210, and the seat plate 210 is rotatably connected to the frame 100 when the seat pocket 200 is installed on the frame 100 in either the forward direction or the reverse direction. Specifically, the frame 100 has a fixing base 120, the fixing base 120 is rotatably connected with a mounting base 110, the mounting base 110 is rotatably connected with the fixing base 120 through a connecting shaft 113, a seat plate 210 of the seat pocket 200 is detachably connected with the mounting base 110 in a forward and reverse direction, more specifically, the mounting base 110 is provided with a socket 111, the seat plate 210 of the seat pocket 200 is provided with an insertion block 212 which is connected with the socket 111 in a pluggable manner, when the seat pocket 200 needs to be installed in a reversed manner, the seat pocket 200 is lifted upwards, the insertion block 212 is pulled out from the socket 111, the direction of the seat pocket 200 is adjusted, and then the insertion block 212 is inserted into the socket 111 again.

A locking mechanism is provided between the seat plate 210 and the frame 100 to restrict the relative rotational relationship of the seat plate 210 and the frame 100 and to be unlocked by the rotation of the backrest 220. When the backrest 220 is opened relative to the seat plate 210, the locking mechanism is in a locked state, and the relative rotational relationship between the seat plate 210 and the vehicle frame 100 is locked; when the backrest 220 is drawn together relative to the seat plate 210, the locking mechanism is in an unlocked state and the relative rotational relationship between the seat plate 210 and the vehicle frame 100 is released.

Specifically, the locking mechanism includes a sliding lock 310 capable of sliding relative to the seat plate 210, and the sliding lock 310 has a locking position, a first unlocking position, and a second unlocking position by sliding relative to the seat plate 210. When the sliding lock 310 is in the locked position, the locking mechanism locks; when the seat pocket 200 is installed in the forward direction and the sliding lock 310 is in the first unlocking position, the locking mechanism is unlocked; when the seat pocket 200 is reversely installed and the sliding lock 310 is in the second unlocking position, the locking mechanism is unlocked. More specifically, the sliding locking member 310 is slidably disposed on the mounting seat 110, and the inner side of the mounting seat 110, i.e. the side facing the fixing seat 120, has a receiving groove 114 for the sliding locking member 310 to be slidably disposed therein. The sliding lock 310 has an escape groove 313, and the connecting shaft 113 is disposed in the escape groove 313.

The sliding of the sliding lock 310 is driven by the rotation of the backrest 220, and as shown in fig. 11-14, the sliding lock 310 is provided with an unlocking post 312, the backrest 220 is provided with an unlocking boss 350 detachably abutting against the unlocking post 312, when the backrest 220 is opened relative to the seat plate 210, the unlocking boss 350 is separated from the unlocking post 312, and the sliding lock 310 is in a locking position; when the seat pocket 200 is installed in the forward direction and the backrest 220 is closed with respect to the seat plate 210, the unlocking protrusion 350 abuts against the unlocking post 312 and pushes the unlocking post 312 so that the sliding lock 310 is located at the first unlocking position; when the seat pocket 200 is installed in the reverse direction and the backrest 220 is drawn close to the seat plate 210, the unlocking protrusion 350 abuts against the unlocking post 312 and pushes the unlocking post 312 so that the slide locker 310 is in the second unlocking position.

In a more preferred embodiment, the mounting seat 110 has a limiting groove 112, the unlocking post 312 is located on a side of the sliding lock 310 facing the mounting seat 110, the unlocking post 312 slidably penetrates the limiting groove 112, and one end of the unlocking post 312 extends out of the limiting groove 112 so as to abut against the unlocking boss 350. When the sliding lock 310 is in the first unlocking position, the unlocking post 312 is at one end of the limiting groove 112, when the sliding lock 310 is in the second unlocking position, the unlocking post 312 is at the other end of the limiting groove 112, and when the sliding lock 310 is in the locking position, the unlocking post 312 is at the middle of the limiting groove 112.

In a more preferred embodiment, the seat plate 210 is provided with a guide groove 211 in which the unlocking protrusion 350 slides, and specifically, the guide groove 211 has an arc shape, and the center of the arc shape is disposed on the rotational axis between the backrest 220 and the seat plate 110.

The locking mechanism further includes two locking slots 320 disposed on the frame 100 and two sliding slots communicated with the two locking slots 320, and the two locking slots 320 and the two sliding

slots

330a, 330b are disposed on the fixing base 120. When the sliding lock 310 is in the locking position, the two protrusions 311 are respectively located in the two locking grooves 320; when the sliding lock 310 is in the first unlocking position or the second unlocking position, the two protrusions 311 are disengaged from the two lock slots 320, respectively, and slidably located in the two sliding

slots

330a, 330b, respectively. More specifically, when the slide lock 310 is in the first unlocked position, one tab 311 is slidably positioned in one slide slot 330a and the other tab 311 is slidably positioned in the other slide slot 330 b; when the slide lock 310 is in the second unlocked position, the one tab 311 is slidably positioned in the other runner 330b and the other tab 311 is slidably positioned in the one runner 330 a.

In order to enable the locking mechanism to be simultaneously suitable for the forward installation and the reverse installation of the seat pocket 200, the locking position is arranged at the midpoint between the first unlocking position and the second unlocking position, the two protrusions 311 are symmetrically arranged by taking the rotation axis between the seat plate 210 and the frame 100 as the center, the two locking grooves 320 are symmetrically arranged by taking the rotation axis as the center, one end of each locking groove 320 close to the rotation axis is an inner end, one end far away from the rotation axis is an outer end, the two sliding

grooves

330a and 330b are circular arcs or circular rings with different radiuses, the centers of the circular arcs and the circular rings are on the rotation axis, one sliding groove 330a is connected with the outer ends of the two locking grooves 320, and the other sliding groove 330b is connected with the inner ends of the two locking grooves 320.

In this embodiment, as shown in fig. 25, the two sliding

grooves

330a and 330b are both arc-shaped, and one sliding groove 330a and the other sliding groove 330b are respectively located above and below the lock groove 320. Fig. 26 shows another embodiment, two

chutes

330a and 330b are circular.

The locking device further comprises two elastic members 340 capable of sliding the sliding lock 310 from the first unlocked position and the second unlocked position to the locked position, respectively. Two elastic members 340 are also disposed in the receiving groove 114 of the mount 110, and the two elastic members 340 are symmetrically disposed at both ends of the sliding lock 310. The elastic member 340 is preferably a compression spring.

The fixing seat 120 and the mounting seat 110 in this embodiment are preferably disposed at the joint where the two rods are rotatably connected in the frame 100, the specific structure of the frame 100 is not limited, and a suitable structure in the prior art may be adopted, and fig. 1 to 7 show one structure as an example.

The working principle is as follows:

in the state that the frame 100 and the seat pocket 200 are both opened, the locking mechanism is in the locked state, the relative position between the mounting seat 110 and the fixed seat 120 is fixed and non-rotatable, that is, the seat plate 210 and the frame 100 are relatively fixed, under the action of the two elastic members 340, the sliding lock 310 is in the locked position and keeps balance, as shown in fig. 15 and 16, the two protrusions 311 on the sliding lock 310 are respectively located in the two

lock slots

330a and 330b on the fixed seat 120. When the seat pocket 200 is mounted on the vehicle frame 100 in the forward direction and the stroller needs to be folded, the backrest 220 is rotated to be close to the seat plate 210, the unlocking bosses 350 on the backrest 220 rotate along with the backrest 220, the unlocking bosses 350 push the unlocking posts 312 after contacting the unlocking posts 312 on the sliding locks 310, so that the sliding locks 310 move, when the backrest 220 and the seat plate 210 are close to each other, the sliding locks 310 are pushed to a first unlocking position, as shown in fig. 17-19, one of the protrusions 311 is disengaged from the locking groove 320 and enters the sliding groove 330a, the other protrusion 311 is disengaged from the locking groove 320 and enters the sliding groove 330b, at this time, the locking mechanism is unlocked, the mounting seat 110 and the fixing seat 120 can rotate relative to each other (as shown in fig. 20), the seat plate 210 and the backrest 220 can automatically rotate downward under the action of gravity, and then the stroller frame 100 is folded completely. Under the condition that the seat pocket 200 is reversely installed on the frame 100, when the stroller needs to be folded, the operation is the same as that of the forward installation, the backrest 220 is rotated to be close to the seat plate 210, the unlocking boss on the backrest 220 contacts and pushes the unlocking column 312 to move the sliding locking piece 310, when the backrest 220 and the seat plate 210 are close to each other, the sliding locking piece 310 is pushed to the second unlocking position, as shown in fig. 21-23, one of the convex blocks 311 is separated from the locking groove 320 and enters the sliding groove 330b, the other convex block 311 is separated from the locking groove 320 and enters the sliding groove 330a, at the moment, the locking mechanism is unlocked, the installation seat 110 and the fixed seat 120 can rotate relatively (as shown in fig. 24), the seat plate 210 and the backrest 220 can automatically rotate downwards under the action of gravity, and then the frame 100 is folded completely.

This folding children's shallow, the unable and synchronous folding problem of frame of seat pocket of having solved detachable construction, rotation between the back and the bedplate through the seat pocket makes the unblock between bedplate and the frame to can fold the seat pocket, then folding frame has realized that the seat pocket can be folded in whole car under the condition of installing in the frame, no longer need pull down the seat pocket earlier and fold in whole car again. And this folding children's shallow has realized seat pocket forward installation and reverse installation, and the seat pocket all can be folded and expand on the frame, no matter what kind of installation state of seat pocket, need not pull down the seat pocket when whole car is folding.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a folding children's shallow, including can open with folding frame (100), can reach forward again can install in backward seat pocket (200) on frame (100), seat pocket (200) include bedplate (210), with bedplate (210) rotate mutually to be connected and can be relative backrest (220) that bedplate (210) were opened and were drawn close seat pocket (200) forward installation or reverse installation in when on frame (100), bedplate (210) all with frame (100) rotationally are connected its characterized in that: a locking mechanism which limits the relative rotation relationship between the seat plate (210) and the frame (100) and can be unlocked through the rotation of the backrest (220) is arranged between the seat plate (210) and the frame (100),

when the backrest (220) is opened relative to the seat plate (210), the locking mechanism is in a locking state, and the relative rotation relationship between the seat plate and the backrest and the relative rotation relationship between the seat plate (210) and the frame (100) are locked; when the backrest (220) is close to the seat plate (210), the backrest rotates to enable the locking mechanism to be in an unlocked state, and the relative rotation relation between the seat plate (210) and the frame (100) is released.

2. The folding stroller of claim 1, wherein: the locking mechanism comprises a sliding lock (310) capable of sliding relative to the seat plate (210), the sliding lock (310) has a locking position, a first unlocking position and a second unlocking position through relative sliding with the seat plate (210), and when the sliding lock (310) is in the locking position, the locking mechanism is locked; when the seat pocket (200) is installed in the forward direction and the sliding lock (310) is in a first unlocking position, the locking mechanism is unlocked; when the seat pocket (200) is reversely installed and the slide lock (310) is in the second unlocking position, the locking mechanism is unlocked.

3. A folding stroller in accordance with claim 2, in which: the locking mechanism further comprises two locking grooves (320) arranged on the frame (100) and two sliding grooves communicated with the two locking grooves (320), two convex blocks (311) are arranged on the sliding locking piece (310), and when the sliding locking piece (310) is in a locking position, the two convex blocks (311) are respectively positioned in the two locking grooves (320); when the sliding lock (310) is in the first unlocking position or the second unlocking position, the two lugs (311) are respectively separated from the two lock grooves (320) and are respectively and slidably positioned in the two sliding grooves.

4. A folding stroller according to claim 3, wherein: when the slide lock (310) is in the first unlocked position, one tab (311) is slidably positioned in one runner and the other tab (311) is slidably positioned in the other runner; when the slide lock (310) is in the second unlocked position, the one tab (311) is slidably located in the other slide channel, and the other tab (311) is slidably located in the one slide channel.

5. A folding stroller according to claim 3, wherein: the locking position is between the first unlocking position and the second unlocking position, the two lugs (311) are symmetrically arranged by taking a rotating axis between the seat plate (210) and the frame (100) as a center, the two locking grooves (320) are symmetrically arranged by taking the rotating axis as a center, one end, close to the rotating axis, of each locking groove (320) is an inner end, one end, far away from the rotating axis, of each locking groove is an outer end, the two sliding grooves are circular arcs or circular rings with different radiuses, the centers of the circular arcs and the circular rings are located on the rotating axis, one sliding groove is connected with the outer ends of the two locking grooves (320), and the other sliding groove is connected with the inner ends of the two locking grooves (320).

6. A folding stroller according to claim 5, wherein: the two sliding grooves are both arc-shaped and are respectively positioned above and below the locking groove (320).

7. A folding stroller in accordance with claim 2, in which: the sliding lock piece (310) is provided with an unlocking column (312), the backrest (220) is provided with an unlocking boss (350) which can be detachably abutted against the unlocking column (312), when the backrest (220) is opened relative to the seat plate (210), the unlocking boss (350) is separated from the unlocking column (312), and the sliding lock piece (310) is in the locking position; when the seat pocket (200) is installed in the forward direction and the backrest (220) is closed relative to the seat plate (210), the unlocking boss (350) is abutted to the unlocking column (312) and pushes the unlocking column (312) to enable the sliding lock piece (310) to be located at the first unlocking position; when the seat pocket (200) is reversely installed and the backrest (220) is closed relative to the seat plate (210), the unlocking boss (350) is abutted to the unlocking column (312) and pushes the unlocking column (312) to enable the sliding lock piece (310) to be located at the second unlocking position.

8. The folding stroller of claim 7, wherein: frame (100) on rotate and be connected with mount pad (110), bedplate (210) of seat pocket (200) with this mount pad (110) detachably and both can be connected forward and can reverse, slip latch fitting (310) slidable set up on mount pad (110), mount pad (110) on have spacing groove (112), unlock post (312) wear to establish slidable in spacing groove (112), when slip latch fitting (310) are in first unblock position, unlock post (312) are in the one end of spacing groove (112), when slip latch fitting (310) are in the second unblock position, unlock post (312) are in the other end of spacing groove (112).

9. The folding stroller of claim 7, wherein: the seat plate (210) is provided with a guide groove (211) for the unlocking boss (350) to slide in.

10. A folding stroller in accordance with claim 2, in which: the locking mechanism further comprises two elastic members (340) which enable the sliding lock (310) to slide from a first unlocking position and a second unlocking position to a locking position respectively.