CN102372019B - Child seat and child stroller - Google Patents

Abstract

The invention discloses a child seat which is suitable for being installed on a child stroller and comprises a seat frame body, a cloth sleeve, a support frame, a backrest plate, a seat plate and a leg backup plate, wherein the support frame is installed in the middle of the seat frame body, the cloth sleeve is sleeved on the seat frame body and is sequentially connected with the backrest plate, the seat plate and the leg backup plate, one end of the backrest plate is detachably installed at the upper end of the seat frame body, the other end of the backrest plate is pivoted to one end of the seat plate, the pivoting position of the backrest plate is installed on the support frame, the other end of the seat plate is pivoted to one end of the leg backup plate, the pivoting position of the seat plate is detachably installed on the seat frame body, and the other. The child seat is simple to operate, stable and firm, and can enable a child to lie on the seat more comfortably.

Description

Child seats and strollers

technical field

The present invention relates to children's products, and more particularly relates to a child seat.

Background technique

For parents with children, it has become a common and convenient practice to use a stroller as an auxiliary care tool when taking their children out. Therefore, the safety requirements for children riding in strollers are often one of the important design indicators. Therefore, the relevant competent authorities have established relevant regulations and safety standards to regulate, so as to ensure the safety of children when using strollers. Safety. In addition, with the widespread use of strollers, people have higher and higher functional requirements for strollers. Not only do they hope that strollers can make children safe while riding, but they also hope that strollers can Children sitting in it can ride comfortably, and adults also hope that the stroller will be more convenient to operate and use.

Commonly used children's strollers now generally include a vehicle frame main body, several wheels and a seat. ride. In addition, usually in order to protect children, a foldable car seat can be installed on the main body of the vehicle frame, so as to shield the baby from sunlight or a small amount of wind and rain; Moreover, a storage basket can also be set at the rear and lower part of the seat to hold articles and provide convenience for travel. In order to allow children to sit and lie in the stroller more comfortably, the seats in most strollers on the market can generally be adjusted to two positions, which allow the child to sit in the stroller and lie down. Lie down in a stroller. The backrest of the seat in the existing stroller is pivotally connected to the seat panel, so that the backrest can be placed down so that the angle between the backrest and the seat panel becomes larger, so that the child can lie down in the stroller. But based on the inherent defect of this design, the angle of 180 degrees cannot be formed between the backrest and the seat plate, so that the child cannot lie comfortably in the stroller.

Therefore, there is an urgent need for a child seat that is simple to operate, stable and reliable, and has strong applicability to overcome the above-mentioned defects.

Contents of the invention

The object of the present invention is to provide a child seat, which is not only easy to operate, stable and reliable, but also enables the child to lie on the seat more comfortably.

The object of the present invention is to provide a baby stroller, which includes a child seat, the child seat is not only easy to operate, stable and reliable, but also enables the child to lie on the seat more comfortably.

In order to achieve the above object, the present invention provides a child seat, which is suitable for being installed on a child stroller, and the child seat includes a seat frame, a cloth cover, a back board, a seat board, and a leg board, The cloth cover is connected to the seat frame and connected to the backrest board, the seat board, and the leg board in turn, and one end of the backrest board is detachably connected and borders on the The upper end of the seat frame, the other end of the back board is pivotally connected to one end of the seat board, the other end of the seat board is pivotally connected to one end of the leg board, and the pivot joint can be It is disassembled and installed on the seat frame.

Compared with the prior art, the cloth cover in the child seat is sleeved on the seat frame and sequentially connected to the back board, the seat board and the leg board, that is, the cloth cover The cover connects the seat frame, the backrest, the seat and the legrests together. When the child sits in the child seat, the child seat connects one end of the backrest plate to the seat frame body, and installs the pivot joint between the seat plate and the leg rest plate on the seat frame body , so that the child can sit comfortably on the child seat; when the child needs to lie down, it is only necessary to disassemble the connection between the backrest and the seat frame, and the connection between the seat and the legrest, Because the cloth cover connects the seat frame body, the backrest board, the seat board and the leg boarder together, the seat frame body, the backboard board, the seat board and the leg boarder are roughly on the same plane at this time, thus Children can lie comfortably in it.

Preferably, one end of the leg rest is detachably connected and adjoins the lower end of the seat frame.

Preferably, a connection assembly is provided at the pivot joint between the seat board and the leg rest board, an assembly is mounted on the seat frame, and the connection assembly is detachably mounted on the assembly.

Preferably, the connection assembly includes a connecting rod, an elastic member and installation heads located at both ends of the connecting rod, the installation head is slidably connected to the connecting rod through the elastic member, and the installation A head is removably mounted on the fitting.

Preferably, the elastic member is a spring, and the two installation heads are provided with cavities, and the two springs are respectively accommodated in the two cavities, and one end of each spring is in contact with the connection. One end of the rod and the other end of each spring are in contact with the respective corresponding cavities.

Preferably, the child seat further includes a first tape, the cloth cover is connected between one end of the backrest board and the upper end of the seat frame, and the two ends of the first tape They are respectively connected to the cloth cover and the back board, and when the two ends of the first tape are connected, one end of the back board borders on the upper end of the seat frame.

Preferably, the first tape sticker includes fur straps arranged at both ends and hook straps connected to the fur straps, and the fur straps can be bonded to the hook straps.

Preferably, the middle position of the first strap close to the upper end of the seat frame is correspondingly arranged.

Preferably, the child seat further includes a support frame, the support frame is in an inverted U shape, and both ends of the support frame are installed on the seat frame body.

Preferably, the child seat further includes a fixing part, and the fixing part fixes the backrest board on the support frame.

Preferably, the child seat further includes a second tape, the cloth cover is connected between one end of the leg rest and the lower end of the seat frame, and the two ends of the second tape They are respectively connected to the cloth cover and the leg rest board. When the two ends of the second tape are connected, one end of the leg rest board borders on the lower end of the seat frame.

Preferably, the child seat further includes an assembly, the assembly is arranged on the seat frame, and the assembly is suitable for detachably installing the child seat on the stroller superior.

In order to achieve the above object, the present invention also provides a child stroller, which includes a child frame and a child seat arranged on the child frame, and the child seat can be positioned between a lying state and a seat state. The child seat includes a seat frame, a cloth cover, a backrest, a seat plate, and a leg rest, and the cloth cover is connected to the seat frame and connected with the backrest in turn. , the seat board, and the leg board are connected, one end of the back board is detachably connected and bordered on the upper end of the seat frame, and the other end of the back board is pivotally connected to the One end of the seat plate, the other end of the seat plate is pivotally connected to one end of the leg rest plate and its pivot joint is detachably mounted on the seat frame; when the child seat is in the In the lying state, the backrest, the seat and the legrest are located on the same plane, and form a lying space with the cloth cover. When the child seat is in the seat state , the back board is connected to the seat board in a bent state, and the seat board is connected to the leg board in a bent state.

Preferably, the other end of the seat board is pivotally connected to one end of the leg rest board, and the other end of the leg rest board is detachably bordered on the lower end of the seat frame, so that the leg rest board Located on the same plane as the lower end of the seat frame.

Preferably, the stroller further includes a first tape sticker, and the two ends of the first tape sticker are respectively connected to the cloth cover and the backrest board, when the two ends of the first tape sticker are connected , one end of the backrest board borders on the upper end of the seat frame.

Preferably, the pivot joint between the seat board and the leg rest board is detachably mounted on the seat frame, and the seat board, the leg rest board and the cloth cover together form a footrest space.

Preferably, a connection assembly is provided at the pivot joint between the seat board and the leg rest board, an assembly is mounted on the seat frame, and the connection assembly is detachably mounted on the assembly.

Preferably, the connection assembly includes a connecting rod, an elastic member and installation heads located at both ends of the connecting rod, the installation head is slidably connected to the connecting rod through the elastic member, and the installation A head is removably mounted on the fitting.

Preferably, the stroller further includes a second tape sticker, and the two ends of the second tape sticker are respectively connected to the cloth cover and the leg rest board, when the two ends of the second tape sticker When connected, one end of the leg rest board borders on the lower end of the seat frame.

Preferably, the seat frame body includes a backrest part located above, and a seat part connected below the backrest part, the backrest board is located at a position corresponding to the backrest part, the seat board and A legrest is located at a position corresponding to the seat portion.

Preferably, both ends of the support frame are installed on the seat frame and located behind the backrest board.

The present invention will become clearer through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a side view of a state of the child seat of the present invention.

Fig. 2 is a side view of another state of the child seat of the present invention.

Fig. 3 is a partial structure diagram of the child seat of the present invention.

Fig. 4 is a bottom view of the child seat of the present invention.

Fig. 5 is an enlarged structural schematic diagram of an angle of the child seat of the present invention.

Fig. 6 is an enlarged view of the connecting rod and the seat frame in the child seat of the present invention.

Fig. 7 is an exploded view of the connecting rod and the seat frame shown in Fig. 6 .

Fig. 8 is a structural schematic diagram of another state of the child seat of the present invention.

Fig. 9 is a structural schematic diagram of another state of the child seat of the present invention.

Fig. 10 is a schematic structural view of the children's stroller of the present invention.

Fig. 11 is a partially exploded view of the stroller shown in Fig. 10 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. The invention provides a child seat, which is not only easy to operate, stable and reliable, but also enables children to lie on the seat more comfortably.

Referring to FIGS. 1-11 , the child seat 10 of the present invention is suitable for being installed on a child stroller 20 , and the child stroller 20 includes a front foot frame 21 , a rear foot frame 22 pivotally connected to the front foot frame 21 , and a support member 23 . In this embodiment, the support member 23 is a horizontal support rod, the front end of the support member 23 is pivotally connected to the rear foot frame 22 , and the rear end of the support member 23 is pivotally connected to the front foot frame 21 . The child seat 10 is detachably installed on the support member 23 on the child stroller 20 . The child seat 10 can be adjusted into two states, which can be suitable for children to sit or lie down. The child seat 10 includes a seat frame body 11 , a cloth cover 12 , a support frame 13 , a backrest board 14 , a seat board 15 , and a leg board 16 . The seat frame body 11 includes a backrest portion 112 located above, and a seat portion 113 connected below the backrest portion 112. The support frame 13 is in an inverted U shape, and its two ends are installed on the seat frame body 11. And it is located at the rear of the backrest board 14 . The support frame 13 is installed in the middle of the seat frame body 11 . The cloth cover 12 is sheathed and fixed on the seat frame 11 , and the cloth cover 12 is connected to the backrest 14 , the seat 15 , and the leg rest 16 . Specifically, the cloth cover 12 has a surrounding area 122 and a bottom area 123, the upper side of the surrounding area 122 is fixed on the seat frame body 11, and the lower side is connected to the bottom area 123, and the surrounding area 122 and the bottom area 123 of the cloth cover 12 form a A space for children to sit or lie down. The bottom area 123 has a first part, a second part, and a third part that are sequentially connected, and the first part, the second part, and the third part respectively have a placement space to accommodate the back board respectively 14. Seat board 15 and leg board 16, so that back board 14, seat board 15, and leg board 16 are isolated from each other and are pivoted together by cloth cover 12, so that back board 14, seat The board 15 and the leg rest board 16 do not overlap and can be on the same plane in a certain state. When the back board 14, the seat board 15, and the leg board 16 are on the same plane, as shown in Figure 2, both sides of the back board 14, the seat board 15, and the leg board 16 pass through The fabric 12 is connected to the seat frame 11 such that the seat frame 11 is substantially parallel to the plane formed by the backrest 14 , the seat 15 , and the legrest 16 . Optionally, in other embodiments, the back board 14 , the seat board 15 , and the leg board 16 may not be in a plane. Or the cloth 12 can omit the bottom area 122, and only the surrounding area 123 of the cloth 12 is connected with the back board 14, the seat board 15, and the leg board 16, and the back board 14, the seat board 15, and the leg board 16 They are pivotally connected by mutual pivotal joints.

Referring to FIGS. 1-5 , one end of the backrest plate 14 in the child seat 10 is located at a position corresponding to the backrest portion 112 of the seat frame 11 , and a cloth is connected between the upper end of the seat frame 11 . The upper end of the surrounding area 122 of the cover 12, the upper end of the surrounding area 122 of the cloth cover 12 has a first through groove (not shown in the figure) in the middle, and a first belt sticker 121 is worn in the first through groove. Both ends of the tape sticker 121 are respectively connected to the surrounding area 122 and part of the bottom area 123 of the cloth cover 12 . The first tape sticker 121 includes a fur strip 1211 at an upper end and a hook strip 1212 at a lower end. When the first tape sticker 121 is installed in the first groove, the wool tape 1211 is located at the upper end of the surrounding area 122 of the cloth cover 12 close to the backrest portion 112 of the seat frame 11, and the hook belt 1212 is located at the bottom area of the cloth cover 12 The first part of 123. When the fur strip 1211 of the first tape sticker 121 is bonded to the hook belt 1212, one end of the backrest board 14 is pulled by the first tape sticker 121 and is close to the backrest portion of the seat frame body 11. ; when the fur strip 1211 of the first tape sticker 121 and the hook strip 1212 are separated from each other, the surrounding area 122 of the cloth cover 12 arranged between one end of the backrest board 14 and the upper end of the seat frame body 11 exposed, and keep a certain distance between one end of the backrest board 14 and the upper end of the seat frame 11 . The other end of the backrest board 14 away from the upper end of the seat frame body 11 is connected to the seat board 15 through the cloth cover 12 and borders on one end of the seat board 15 , and the backrest board 14 can rotate relative to the seat board 15 . Preferably, the surrounding area 122 of the cloth cover 12 is located at the opening above the first slot where the hair strap 1211 passes through. There is a ring buckle (not shown in the figure). Pass through the ring buckle and stick to the hook belt 1212, so that the wool belt 1211 and the hook belt 1212 stick together more firmly. In this embodiment, the first tape sticker 121 is set corresponding to the middle position of the upper end of the seat frame body 11. In other embodiments, the first tape sticker 121 can be provided or two parallel They are respectively arranged on both sides of the upper end of the seat frame, and the connection method of the first tape is not limited to the above-mentioned embodiment. In detail, the child seat 10 further includes a buckle 131 located at the lower end of the first part of the bottom of the cloth cover 12 to fix the support 13 on the backrest 14 near the seat 15 . Preferably, the buckle 131 is disposed at a middle position relative to the support frame 13 , and in other embodiments, the buckle 131 may also be disposed relative to both sides of the support frame 13 , depending on specific circumstances.

Referring to FIGS. 1-7 , the end of the seat board 15 away from the back board 14 is connected to the leg board 16 through the cloth cover 12 , and the seat board 15 can be rotated relative to the back board 14 . Preferably, a connection assembly 18 is provided at the pivot joint between the seat plate 15 and the leg rest plate 16, and fittings 111 are installed on both sides of the seat part 113 of the seat frame 11, so that The assembly parts 111 can be detachably installed on the two sides of the seat frame body 11 , or can be fixedly connected to the two sides of the seat part 113 . The connection assembly 18 includes a connecting rod 181 , a spring 182 and a mounting head 183 . There are two mounting heads 183 in the child seat 10 and they are respectively arranged corresponding to two ends of the connecting rod 181 . The two mounting heads 183 are provided with cavities 1831, and the two springs 182 are accommodated in the two cavities 1831 respectively, and one end of each spring 182 is in contact with one end of the connecting rod 181, The other end of each spring 182 is in contact with the cavity 1831 of the corresponding installation head 183 . The installation head 183 is sleeved on both ends of the connecting rod 181 , and the connecting rod 181 is detachably mounted on the assembly part 111 through the installation head 183 . In detail, the assembly part 111 is provided with a groove 1111 for accommodating the installation head 183; the connecting rod 181 is connected to the cloth cover 12 through passing through, and the installation head 183 is slidably installed on the connecting rod 181, and can be Its locked position is defined by spring 182 . Push the mounting head 183 to slide towards the middle of the connecting rod 181 relative to the connecting rod 181, then the mounting head 183 is accommodated in the groove of the fitting 111, the spring 182 returns to normal state, and the mounting head 183 snaps into the groove of the fitting 111 In the slot, the connection assembly 18 is connected to the seat frame 11 through the cooperation of the installation head 183 and the spring 182 .

Referring to FIGS. 1-11 , the child seat 10 further includes a second tape sticker 171 , and two ends of the second tape sticker 171 are respectively connected to the lower end of the surrounding area 122 of the cloth cover 12 near the seat portion 113 . The lower end of the leg rest 16 is detachably mounted on the lower end of the seat frame 11 through the second tape 171 . In detail, as shown in FIG. 8 , the second tape sticker 171 can be similar to the first tape sticker 121 , that is, its two ends have wool tape and hook tape respectively. When the lower end of the leg rest board 16 is connected to the lower end of the seat frame body 11 through the combination of the wool strap and the hook strap of the second tape sticker 171, the leg rest board 16 of the child seat 10 is roughly arranged with the lower edge of the seat portion. On the same plane, when a larger child is seated in the child seat 10 of the present invention, its lower legs can lean on the longer leg rest, which improves the child's comfort. Preferably, the child seat 10 further includes an assembly 19, the assembly 19 is arranged on the seat frame 11, in this embodiment, the assembly 19 is suitable for using the child seat 10 It is detachably installed on the stroller 20 for children.

Referring to FIGS. 1-11 , the use process of the child seat 10 of the present invention will be described in detail below.

As shown in Figure 2, when the child seat 10 is installed on the child stroller 20 by the assembly part 19, and when the child seat 10 is in the lying state, the backrest board 14, seat board 15, and The leg rests 16 are arranged on the same plane, and this plane can be arranged substantially parallel to the plane where the seat frame 10 is located. At this time, the surrounding area 122 and the bottom area 123 of 12 (that is, the corresponding areas of the backrest 14 , the seat 15 , and the leg rest 16 ) form a lying space, and children can lie down in the child seat 10 .

When the child seat 10 is converted into a seat state for a child to sit on, when the hair strap 1211 of the first strap sticker 121 is bonded to the hook strap 1212, one end of the backrest board 14 is The pull borders on the upper end of the backrest portion 112 of the seat frame 11 . The connecting assembly 18 is moved upwards to cooperate with the fitting part 111 of the seat frame 10 . By sliding the installation head 183 toward the middle of the connecting rod 181 toward an unlocking position, the installation head 183 can be installed in the groove of the fitting 111, and the installation head 183 is pushed toward the locking position by the spring 182 to be assembled on the fitting 111 grooves 1111 . Now, due to the upward movement of the connecting assembly 18, the backrest board 14 and the seat board 15 are connected in a bent state, and form a seating space together with the surrounding area 122 of the cloth 12, while the leg board 16 is connected with the cloth 12. The surrounding area 122 of the fabric 12 is connected in a bent state, and together with the surrounding area 122 of the fabric 12, a foot space is formed. At this moment, the child seat 10 is in the state of a seat for the child to ride, and the child's feet can be placed in the footrest space. At this time, the support frame 13 is connected to the bottom lower end of the backboard 14 through the buckle 131, so as to prevent the bottom from being stressed, and the child pulls out the child seat 10. When the child seat 10 is used by a larger child, or when the child's feet cannot be placed in the footrest space, the wool straps at the two ends of the second strap 171 can be combined with the hook straps to make the lower end of the leg rest 16 The lower end of the seat frame body 11 is close to the lower end of the seat frame body 11 through the combination of the fur belt and the hook belt of the second tape sticker 171. At this time, the leg rest plate 16 of the child seat 10 and the lower edge of the seat part are generally located on the same plane, for The older children place the legs.

When the child seat 10 is intended to be converted into a reclining state, the backrest 14, the seat 15, and the leg rest 16 are arranged on the same plane, and the plane can be arranged to be aligned with the seat frame 10. The planes are roughly parallel. Specifically, the wool strip 1211 of the first tape sticker 121 and the hook strip 1212 are separated from each other, and the surrounding area of the cloth cover 12 provided between one end of the backrest board 14 and the upper end of the seat frame 11 is 122 is exposed, and a certain distance is kept between one end of the backrest board 14 and the upper end of the seat frame body 11 . At the same time, the mounting head 183 is pushed to slide towards the middle of the connecting rod 181 relative to the connecting rod 181, thereby compressing the spring 182, and the part of the mounting head 183 accommodated in the groove of the assembly part 111 retreats from the groove, and the connection Assembly 18 is disengaged from seat frame 10 . The wool of the second tape sticker 171 and the hook wool need to be released from each other, so that the surrounding area of the cloth cover 12 is exposed, so that the seat plate 15 and the leg rest plate 16 of the child seat 10 are arranged on the same plane. Because there is cloth cover 12 to be connected between described backrest board 14, seat board 15 and leg boarder 16 and seat frame body 11, so by the surrounding area of 12 and bottom (being backrest board 14, seat board) 15, and leg rest board 16) form a lying space, make the child in the child seat 10 can be in the state of lying down.

In the child seat of the present invention, the cloth cover is set on the seat frame and sequentially connected to the backrest, the seat board, and the leg rest, that is, the cloth cover wraps the seat frame , back board, seat board, and leg board are all connected together. When the child sits in the child seat, the child seat connects one end of the backrest plate to the seat frame body, and installs the pivot joint between the seat plate and the leg rest plate on the seat frame body , so that the child can sit comfortably on the child seat; when the child needs to lie down, it is only necessary to disassemble the connection between the backrest and the seat frame, and the connection between the seat and the legrest, Since the cloth cover connects the seat frame, the backrest, the seat board, the leg board and the feet together, the seat frame, the back board, the seat board and the leg board are roughly on the same plane. so that children can lie comfortably in it.

The present invention has been described above in conjunction with the best embodiments, but the present invention is not limited to the above-disclosed embodiments, but should cover various modifications and equivalent combinations made according to the essence of the present invention.

Claims (21)

1. A child seat, which is suitable for being installed on a child stroller, is characterized in that the child seat comprises a seat frame, a cloth cover, a backrest, a seat plate, and a leg rest, and the cloth The cover is connected to the seat frame body and connected with the back board, the seat board, and the leg board in turn, and one end of the back board is detachably connected and bordered on the seat The upper end of the chair frame body, the other end of the back board is pivotally connected to one end of the seat board, the other end of the seat board is pivotally connected to one end of the leg board, and the pivot joint is detachably installed on the seat frame. 2 . The child seat according to claim 1 , wherein one end of the leg rest is detachably connected to and borders on the lower end of the seat frame. 3 . 3. The child seat according to claim 1, wherein a connecting assembly is provided at the pivotal joint between the seat board and the leg rest board, an assembly is installed on the seat frame, and the The connecting component is detachably installed on the fitting. 4. The child seat according to claim 3, wherein the connection assembly comprises a connecting rod, an elastic member, and installation heads located at both ends of the connecting rod, and the installation head slides through the elastic member It is connected to the connecting rod, and enables the installation head to be detachably installed on the fitting. 5. The child seat according to claim 4, wherein the elastic member is a spring, and the two installation heads are provided with cavities, and the two springs are respectively accommodated in the two cavities One end of each of the springs is in contact with one end of the connecting rod, and the other end of each of the springs is in contact with the corresponding cavity. 6. The child seat according to claim 2, further comprising a first tape, the cloth cover is connected between one end of the backrest board and the upper end of the seat frame, so that The two ends of the first tape are respectively connected to the cloth cover and the back board, when the two ends of the first tape are connected, one end of the back board is connected to the seat The upper ends of the frames are connected to each other. 7. The child seat according to claim 6, characterized in that, the first straps include fur straps arranged at both ends and hook straps connected to the fur straps, and the fur straps are connected to the hooks. Tapes can be glued together. 8. The child seat according to claim 6, characterized in that, the middle position of the first strap close to the upper end of the seat frame is correspondingly arranged. 9. The child seat according to claim 1, further comprising a support frame, the support frame is in an inverted U shape, and two ends of the support frame are installed on the seat frame. 10 . The child seat according to claim 9 , further comprising a fixing piece, the fixing piece fixes the backrest board on the support frame. 11 . 11. The child seat according to claim 2, further comprising a second tape, the cloth cover is connected between one end of the leg rest and the lower end of the seat frame, so that The two ends of the second tape stickers are respectively connected to the cloth cover and the leg rest board. When the two ends of the second tape stickers are connected, one end of the leg rest board is connected to the seat frame. The lower end of the body is bordered. 12. The child seat according to claim 1, further comprising an assembly, the assembly is arranged on the seat frame, and the assembly is suitable for dismounting the child seat installed on the baby stroller. 13. A child stroller, comprising a child frame and a child seat arranged on the child frame, the child seat can be switched between a lying state and a seat state, characterized in that the The child seat includes a seat frame, a cloth cover, a backrest, a seat plate, and a leg rest. The cloth cover is connected to the seat frame and is connected with the backrest, the seat , and the leg board is connected, one end of the back board is detachably connected to the upper end of the seat frame, and the other end of the back board is pivotally connected to one end of the seat board , the other end of the seat board is pivotally connected to one end of the leg rest board and the pivot joint is detachably mounted on the seat frame; when the child seat is in the lying state, The backrest board, the seat board and the leg rest board are located on the same plane, and form a lying space with the cloth cover. When the child seat is in the seat state, the backrest The board is connected to the seat board in a bent state, and the seat board is connected to the leg rest board in a bent state. 14. The stroller according to claim 13, wherein the other end of the seat plate is pivotally connected to one end of the leg rest plate, and the other end of the leg rest plate is detachably bordered on the leg rest plate. The lower end of the above-mentioned seat frame body, so that the lower end of the leg rest board and the seat frame body is located on the same plane. 15. The children's stroller according to claim 13, further comprising a first tape, the two ends of the first tape are respectively connected to the cloth cover and the backrest board, when the second When the two ends of the tape are connected, one end of the backrest board borders on the upper end of the seat frame. 16. The stroller according to claim 13, characterized in that, the pivot joint between the seat board and the leg rest board is detachably mounted on the seat frame, and the seat board, the The leg rest board and the cloth cover together form a footrest space. 17. The children's stroller according to claim 16, wherein a connection assembly is provided at the pivotal joint between the seat board and the leg rest board, an assembly is installed on the seat frame, and the The connecting component is detachably installed on the fitting. 18. The children's stroller according to claim 17, wherein the connection assembly comprises a connecting rod, an elastic member, and installation heads located at both ends of the connecting rod, and the installation head slides through the elastic member It is connected to the connecting rod, and enables the installation head to be detachably installed on the fitting. 19. The children's stroller according to claim 14, further comprising a second tape sticker, the two ends of the second tape sticker are respectively connected to the cloth cover and the leg rest board, when the When the two ends of the second tape are connected, one end of the leg rest board borders on the lower end of the seat frame. 20. The baby stroller according to claim 13, wherein the seat frame comprises a backrest portion located above, and a seat portion connected below the backrest portion, and the backrest plate is located at the corresponding The position of the backrest part, the seat board and the leg rest board are located at positions corresponding to the seat part. 21. The stroller for children according to claim 13 or 14, further comprising a support frame, the two ends of the support frame are installed on the seat frame and located behind the backrest board.

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