CN220639988U - Child's bike - Google Patents

Abstract

The utility model belongs to the field of children riding tools, and provides a children's vehicle, which comprises: the vehicle seat fixing table is arranged on the vehicle frame; the saddle subassembly, saddle subassembly have saddle skeleton, saddle skeleton movable mounting is provided with a pair of joint spare on saddle fixed station on the lower extreme of saddle skeleton, and a pair of joint spare is located saddle fixed station's both sides respectively, and the joint spare has cutting ferrule and joint piece, and the cutting ferrule is connected with saddle skeleton. Compared with the prior art, the child seat has the advantages that a user can hold the holding blocks to pull the pair of clamping blocks at the lower end of the seat framework to move towards the direction away from the seat fixing table, so that the seat framework is separated from the seat fixing table, then the seat framework is rotated 180 degrees and then is mounted on the seat fixing table again, and the clamping blocks at the two sides of the seat framework are clamped with the seat fixing table again, so that parents can observe the state of riding a child in real time face to face when pushing the child, and the parents are more confident.

Description

Child's bike

Technical Field

The utility model belongs to the field of children riding tools, and particularly relates to a children's vehicle.

Background

The baby carrier is a large door class among the toys for children, and comprises four major classes of children's bicycles, children's carts, baby walker and children's tricycles, and different types of baby carrier correspond to different riding ages of children.

The direction of the seat component of the existing baby carrier is fixed, children can only face the front wheel component all the time when sitting on the seat component, and the backrest and the sunshade cover block the sight of parents pushing the baby carrier, so that the parents can not timely observe the state of sitting on the children when pushing the children.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a child car capable of adjusting the position of a seat aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: a child's vehicle is presented, comprising: the vehicle seat fixing table is arranged on the vehicle frame;

the saddle assembly is provided with a saddle framework, the saddle framework is movably mounted on the saddle fixing table, a pair of clamping pieces are arranged at the lower end of the saddle framework, the clamping pieces are respectively positioned on two sides of the saddle fixing table, each clamping piece is provided with a clamping sleeve and a clamping block, the clamping sleeve is connected with the saddle framework, the clamping blocks are movably arranged on the clamping sleeve along the length direction of the saddle framework, and the clamping blocks are movably clamped with the saddle fixing table;

when the saddle framework is installed on the saddle fixing table, the clamping blocks on the clamping sleeves on two sides of the saddle framework are clamped with the saddle fixing table, so that the saddle framework is fixed on the saddle fixing table.

In the above-mentioned child car, the left and right ends of the seat fixing table are provided with first clamping portions, the first clamping portions have first limiting surfaces and second limiting surfaces, the clamping blocks are provided with second clamping portions, and the second clamping portions have third limiting surfaces and fourth limiting surfaces;

when the first clamping part and the second clamping part are movably propped against each other, the third limiting surface is abutted against the first limiting surface, and the fourth limiting surface is abutted against the second limiting surface.

In the child car, the clamping sleeve is provided with the limiting groove and the first spring, the clamping piece is far away from the end portion of the second clamping portion, the connecting column is arranged on the end portion of the second clamping portion, one end of the first spring is arranged in the limiting groove, and the other end of the first spring is connected with the connecting column.

In the child car, the clamping sleeve is provided with the through hole, the lower end of the clamping piece is provided with the holding block, and the holding block moves on the through hole along the length direction of the saddle framework.

In the child car, the seat assembly has a sunshade, and the sunshade on each side is connected with the seat framework on the corresponding side through a limit rotation assembly;

the limiting rotating assembly is provided with a first limiting shell, a limiting ring and a third limiting shell, the first limiting shell is detachably connected to the upper end of the saddle framework, one end of the limiting ring is movably clamped with the first limiting shell, the other end of the limiting ring is movably clamped with the third limiting shell, one bone rod of the sunshade is arranged on the first limiting shell, the other bone rod of the sunshade is arranged on the third limiting shell, and the limiting ring and the third limiting shell can be both far away from the first limiting shell along the length direction of the saddle framework;

when the limiting ring is separated from the first limiting shell in the length direction of the saddle framework and is clamped with the first limiting shell, the sunshade can rotate relative to the saddle framework;

when the third limiting shell is separated from the limiting ring in the length direction of the saddle framework, the sunshade can be folded or unfolded.

In the child car, the first limiting shell is provided with a first end and a second end, the first end is detachably connected with the seat framework, a guide groove is formed in the second end, a guide cover, a second spring and a connecting shaft are arranged on the guide groove, the second spring is located in the guide groove, one end of the second spring abuts against the guide cover, the other end of the second spring abuts against the guide groove, one end of the connecting shaft is connected with the guide cover, and the connecting shaft penetrates through the second spring, the guide groove, the limiting ring and the other end of the connecting shaft are connected with the third limiting shell.

In the child car, the locking piece and the positioning sliding groove are arranged on the seat framework, the sliding block is arranged on the second end portion and is in sliding connection with the positioning sliding groove, the locking opening is arranged on the second end portion, the locking piece is internally provided with a locking block capable of moving along the length direction of the seat framework, and the locking block is inserted into the locking opening.

In the child car, a plurality of first latches are arranged on the inner wall of the first limiting shell, a second latch is arranged at one end of the limiting ring, a third latch is arranged at the other end of the limiting ring, a clamping groove is formed in the inner wall of the third limiting shell, the first latch and the second latch are movably clamped, and the third latch is movably connected with the clamping groove.

In the child car, the seat framework is provided with the cushion part and the backrest part, the lower end face of the cushion part is provided with the positioning grooves, the front end and the rear end of the seat fixing table are symmetrically arranged along the central position of the seat fixing table, the positioning grooves are movably connected with the seat fixing table, and the backrest part is rotatably connected with the cushion part through the limiting assembly.

In the above-mentioned child car, the spacing subassembly includes: first stop collar, second stop collar, third spring, joint ring and button, first stop collar is installed on back portion, be provided with first recess on the first stop collar, the second stop collar sets up on the cushion portion, be provided with the second recess on the second stop collar, the joint ring is located between first stop collar and the second stop collar, and be provided with the lug on the outer wall of joint ring along the length direction of seat, the lug with first recess and the movable joint of second recess, the third spring sets up first stop collar with between the joint ring, the one end and the first stop collar butt of third spring, the other end of third spring with the joint ring butt, the button activity sets up on the cushion portion, and the button passes the second stop collar with the movable butt of joint ring.

Compared with the prior art, the utility model has at least the following beneficial effects:

1. the user can hold the lower extreme a pair of joint piece of holding piece pulling saddle skeleton and remove towards the direction of keeping away from saddle fixed station, makes saddle skeleton break away from saddle fixed station, installs saddle fixed station again after rotating 180 degrees with saddle skeleton afterwards, the joint piece of saddle skeleton both sides and saddle fixed station joint again to make the head of a family can face to face the state of taking children in real time observation when promoting children, let the head of a family more reassurance.

2. The saddle skeleton can fold to the sunshade also can fold, and the user can practice thrift area when depositing children, folding saddle skeleton and sunshade greatly.

Drawings

FIG. 1 is a schematic view of the structure of the present stroller;

FIG. 2 is an enlarged view at A-A;

FIG. 3 is a schematic view of a portion of the structure of the present stroller in a bottom view;

FIG. 4 is a schematic view of the structure of the clip and the seat fixing base;

FIG. 5 is a schematic view of the structure of the seat frame, spacing rotating assembly and sunshade;

FIG. 6 is a schematic view of the positioning chute;

FIG. 7 is a schematic view of a limited rotation assembly;

FIG. 8 is an exploded view of the limit rotation assembly;

FIG. 9 is a schematic view of the structure of the seat cushion portion, the check assembly, and the back portion;

FIG. 10 is an exploded view of the spacing assembly;

fig. 11 is a schematic view of the structure of the reversible seat folded state for the child car.

In the drawing the view of the figure,

1. a frame; 100. a saddle fixing table; 101. a first clamping part; 102. a first limiting surface; 103. the second limiting surface;

2. a saddle assembly; 200. a seat frame; 201. a clamping piece; 202. a cutting sleeve; 203. a clamping block; 204. a second clamping part; 205. a third limiting surface; 206. a fourth limiting surface; 207. a limit groove; 208. a first spring; 209. a via hole; 210. holding blocks; 211. a sunshade cover; 212. a limit rotating assembly; 213. a first limit housing; 214. a limiting ring; 215. a third limit shell; 216. a first end; 217. a second end; 218. a guide groove; 219. a guide cover; 220. a second spring; 221. a connecting shaft; 222. a locking member; 223. positioning a chute; 224. a slide block; 225. a locking port; 226. a locking block; 227. a first latch; 228. a second latch; 229. a third latch; 230. a clamping groove; 231. a cushion section; 232. a backrest part; 233. a positioning groove; 234. a first stop collar; 235. the second limit sleeve; 236. a third spring; 237. a clamping ring; 238. a button; 239. a first groove; 240. a second groove; 241. a bump; 242. a connecting column; 243. and a limiting component.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 11, a child car, comprising: a vehicle frame 1, wherein a vehicle seat fixing table 100 is arranged on the vehicle frame 1; the seat assembly 2, the seat assembly 2 has a seat frame 200, the seat frame 200 is movably mounted on the seat fixing table 100, a pair of clamping pieces 201 are arranged at the lower end of the seat frame 200, the pair of clamping pieces 201 are respectively positioned on two sides of the seat fixing table 100, the clamping pieces 201 are provided with clamping sleeves 202 and clamping blocks 203, the clamping sleeves 202 are connected with the seat frame 200, the clamping blocks 203 are movably arranged on the clamping sleeves 202 along the length direction of the seat frame 200, and the clamping blocks 203 are movably clamped with the seat fixing table 100; when the seat frame 200 is mounted on the seat fixing base 100, the catching blocks 203 on the cutting ferrule 202 at both sides of the seat frame 200 are caught with the seat fixing base 100, so that the seat frame 200 is fixed on the seat fixing base 100.

The frame 1 is the frame 1 of child's bike (not shown in the figure), saddle fixed station 100 passes through the bolt with frame 1 and realizes fixed connection, cutting ferrule 202 passes through bolt fixed mounting on saddle skeleton 200's lower terminal surface, joint piece 203 is along saddle skeleton 200's length direction activity setting on cutting ferrule 202, when the parent is promoting child's bike and needs observing children's state, pull the joint piece 203 that is located saddle skeleton 200 both sides cutting ferrule 202 to keeping away from saddle fixed station 100 direction, make joint piece 203 and saddle fixed station 100 break away from the joint, saddle skeleton 200 then can lift up and separate with saddle fixed station 100, then install saddle skeleton 200 rotatory 180 degrees again and love on saddle fixed station 100, joint piece 203 and saddle fixed station 100 joint again that is located saddle skeleton 200 both sides cutting ferrule 202, and then the parent can face-to-face real-time observation takes children's state, improve child's security of taking.

It should be noted that, the seat frame 200 can be sleeved with different preset surface sleeves according to requirements.

Specifically, the left and right ends of the saddle fixing table 100 are provided with first clamping parts 101, the first clamping parts 101 are provided with first limiting surfaces 102 and second limiting surfaces 103, the clamping blocks 203 are provided with second clamping parts 204, and the second clamping parts 204 are provided with third limiting surfaces 205 and fourth limiting surfaces 206; when the first clamping portion 101 and the second clamping portion 204 are movably abutted, the third limiting surface 205 is abutted against the first limiting surface 102, and the fourth limiting surface 206 is abutted against the second limiting surface 103.

The clamping block 203 is provided with a clamping part with an L-shaped structure, after the clamping block 203 is clamped with the saddle fixing table 100, the third limiting surface 205 is clung to the first limiting surface 102, and the fourth limiting surface 206 is clung to the second limiting surface 103, so that the saddle framework 200 cannot move up and down and left and right on the saddle fixing table 100, and the saddle framework 200 is ensured to be firmly locked on the saddle fixing table 100.

Further, a limiting groove 207 and a first spring 208 are arranged on the clamping sleeve 202, a connecting column 242 is arranged on the end portion, far away from the second clamping portion 204, of the clamping piece 201, one end of the first spring 208 is arranged in the limiting groove 207, and the other end of the first spring 208 is connected with the connecting column 242.

In order to facilitate the clamping piece 201 mounted on the clamping sleeve 202 to apply a clamping force to the saddle fixing table 100, the third limiting surface 205 is abutted against the first limiting surface 102, the fourth limiting surface 206 is abutted against the second limiting surface 103, the connecting column 242 is arranged at the end, far away from the second clamping portion 204, of the clamping piece 201, the limiting groove 207 is also arranged on the clamping sleeve 202, one end of the first spring 208 is sleeved on the connecting column 242, the other end of the first spring 208 is arranged in the limiting groove 207, the limiting groove 207 is matched with the connecting column 242, the first spring 208 can push the clamping piece 201 better, and pressure is applied to the clamping piece 201, so that the clamping piece is clamped on the saddle fixing table 100.

Further, the ferrule 202 is provided with a through hole 209, the lower end of the clamping piece 201 is provided with a holding block 210, and the holding block 210 moves along the length direction of the saddle frame 200 on the through hole 209.

The holding blocks 210 are provided for facilitating manual operation, and the through holes 209 are used for guiding movement of the holding blocks 210, so that a parent can hold the holding blocks 210 on both sides of the seat fixing table 100 with both hands, and move the holding blocks 210 away from the seat fixing table 100, so that the second clamping portion 204 is separated from the first clamping portion 101, and the separation of the seat frame 200 from the seat fixing table 100 is realized.

Specifically, the seat assembly 2 has sunshade covers 211, each side sunshade cover 211 is connected with the seat frame 200 on the corresponding side by a limit rotation assembly 212; the limiting rotation assembly 212 is provided with a first limiting shell 213, a limiting ring 214 and a third limiting shell 215, the first limiting shell 213 is detachably connected to the upper end of the saddle framework 200, one end of the limiting ring 214 is movably clamped with the first limiting shell 213, the other end of the limiting ring 214 is movably clamped with the third limiting shell 215, one bone rod of the sunshade 211 is arranged on the first limiting shell 213, the other bone rod of the sunshade 211 is arranged on the third limiting shell 215, and both the limiting ring 214 and the third limiting shell 215 can be far away from the first limiting shell 213 along the length direction of the saddle framework 200; when the stopper 214 is disengaged from the first stopper housing 213 along the length direction of the seat frame 200, the sunshade 211 can be rotated with respect to the seat frame 200; when the third limiting shell 215 is disengaged from the limiting ring 214 along the length direction of the seat frame 200, the sunshade 211 can be folded or unfolded.

The seat assembly 2 is provided with a pair of limiting rotating assemblies 212, the left side of the seat framework 200 is connected with the left side of the sunshade 211 through the limiting rotating assemblies 212, the right side of the seat framework 200 is connected with the right side of the sunshade 211 through the limiting rotating assemblies 212, when the child car is stored, the limiting rings 214 and the third limiting shells 215 on the two sides of the seat framework 200 can be pulled towards the direction away from the seat framework 200, so that the limiting rings 214 are separated from the first limiting shells 213 and clamped, the limiting rings 214 are matched with the third limiting shells 215 to drive the sunshade 211 to rotate relative to the first limiting shells 213, the position of the sunshade 211 on the seat framework 200 is adjusted, after the limiting rings and the third limiting shells 215 rotate to the preset position, the limiting rings and the third limiting shells 215 are loosened, so that the limiting rings 214 are clamped with the corresponding positions of the first limiting shells 213, the sunshade 211 and the seat framework 200 are fixed again, and then the third limiting shells 215 on the two sides of the seat framework 200 can be pulled towards the direction away from the seat framework 200.

Further, the first limiting shell 213 has a first end 216 and a second end 217, the first end 216 is detachably connected with the seat frame 200, the second end 217 is provided with a guiding slot 218, the guiding slot 218 is provided with a guiding cover 219, a second spring 220 and a connecting shaft 221, the second spring 220 is located in the guiding slot 218, one end of the second spring 220 abuts against the guiding cover 219, the other end of the second spring 220 abuts against the guiding slot 218, one end of the connecting shaft 221 is connected with the guiding cover 219, the connecting shaft 221 penetrates through the second spring 220, the guiding slot 218, the limiting ring 214, and the other end of the connecting shaft 221 is connected with the third limiting shell 215.

After the user pulls the limiting ring 214 to disengage from the first limiting shell 213, the guide cover 219 moves in the guide groove 218 along the direction away from the saddle frame 200, so that the second spring 220 is compressed, after the position of the sun-shading cover 211 relative to the saddle frame 200 is adjusted in a rotating manner, the second spring 220 drives the corresponding positions of the limiting ring 214 and the first limiting shell 213 to be clamped due to the elastic force, the third limiting shell 215 is disengaged from the limiting ring 214, the sun-shading cover 211 is folded or unfolded, and the second spring 220 can also assist the corresponding positions of the third limiting shell 215 and the limiting ring 214 to be clamped.

Further, a locking piece 222 and a positioning sliding groove 223 are arranged on the saddle framework 200, a sliding block 224 is arranged on the second end portion 217, the sliding block 224 is in sliding connection with the positioning sliding groove 223, a locking opening 225 is arranged on the second end portion 217, a locking block 226 capable of moving along the length direction of the saddle framework 200 is arranged in the locking piece 222, and the locking block 226 is inserted into the locking opening 225.

The positioning sliding groove 223 plays a role in guiding the sliding block 224, so that the first limiting shell 213 is positioned on the saddle frame 200 conveniently, an elastic piece, namely a spring, is arranged in the locking piece 222, and the spring can push the locking piece 226 to extend out of the locking piece 222 to be clamped with or separated from the locking opening 225 on the second end 217, so that the sun shade 211 and the limiting rotating assembly 212 are firmly locked on the saddle frame 200, or the sun shade 211 can be removed from the saddle frame 200 when the sun shade 211 is not needed.

Further, a plurality of first latches 227 are disposed on the inner wall of the first limiting shell 213, a second latch 228 is disposed on one end of the limiting ring 214, a third latch 229 is disposed on the other end of the limiting ring 214, a clamping groove 230 is disposed on the inner wall of the third limiting shell 215, the first latches 227 and the second latches 228 are movably clamped, and the third latch 229 is movably connected with the clamping groove 230.

Due to the elastic force of the second spring 220, the first latch 227 and the second latch 228 are firmly clamped together, and the third latch 229 is movably connected with the clamping groove 230, so that the sun shade 211 cannot rotate relative to the seat frame 200, and the sun shade 211 cannot be folded or unfolded.

Specifically, the seat frame 200 has a seat cushion portion 231 and a backrest portion 232, a positioning groove 233 is provided on a lower end surface of the seat cushion portion 231, front and rear ends of the seat fixing base 100 are symmetrically provided along a central position thereof, the positioning groove 233 is movably connected with the seat fixing base 100, and the backrest portion 232 is rotatably connected with the seat cushion portion 231 through a limiting assembly 243.

The positioning groove 233 is used for positioning the seat fixing table 100, so that the seat frame 200 cannot move in the front-back direction and the left-right direction on the seat fixing table 100, the seat frame 200 is ensured to be firmly locked on the seat fixing table 100, and the seat back 232 and the seat cushion 231 are rotationally connected through the limiting assembly 243 to further fold the seat frame 200, so that the occupation of storage space is reduced.

The limiting assembly 243 includes: the seat comprises a first limiting sleeve 234, a second limiting sleeve 235, a third spring 236, a clamping ring 237 and a button 238, wherein the first limiting sleeve 234 is installed on a backrest part 232, a first groove 239 is formed in the first limiting sleeve 234, the second limiting sleeve 235 is arranged on a seat cushion part 231, a second groove 240 is formed in the second limiting sleeve 235, the clamping ring 237 is located between the first limiting sleeve 234 and the second limiting sleeve 235, a protruding block 241 is arranged on the outer wall of the clamping ring 237 along the length direction of the seat, the protruding block 241 is movably clamped with the first groove 239 and the second groove 240, the third spring 236 is arranged between the first limiting sleeve 234 and the clamping ring 237, one end of the third spring 236 abuts against the first limiting sleeve 234, the other end of the third spring 236 abuts against the clamping ring 237, the button 238 is movably arranged on the seat cushion part 231, and the button 238 penetrates through the second limiting sleeve 235 and movably abuts against the clamping ring 237.

In the initial state, due to the elastic force of the third spring 236, the protruding block 241 on the outer side of the clamping ring 237 is clamped with the first groove 239 on the first limiting sleeve 234 and the second groove 240 on the second limiting sleeve 235, so that the backrest 232 and the cushion 231 are clamped together, the backrest 232 cannot rotate relative to the cushion 231, parents can rotate the backrest 232 relative to the cushion 231 to fold the seat frame 200 when the children are needed to be stored, or rotate the backrest 232 relative to the cushion 231 to unfold the seat frame 200 and adjust the backrest angle of the backrest 232 relative to the cushion 231, the buttons 238 on the left side and the right side of the seat frame 200 can be respectively pressed by two hands, the buttons 238 push the clamping ring 237 to move towards the second limiting sleeve 235, the protruding block 241 on the outer side of the clamping ring 237 is disconnected with the first groove 239, the protruding block 241 on the outer side of the clamping ring 237 is clamped together with the second groove 240 on the second limiting sleeve 235 completely, the third spring 236 is compressed, and the clamping ring 236 is pushed by the third spring 236 to rotate relative to the backrest 232 and adjust the backrest 231, and the clamping ring 231 is clamped with the second groove 231 to enable the clamping ring 231 to be clamped with the second groove 231 to rotate relative to the second limiting sleeve 231.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims (10)

1. A child's vehicle, comprising:

the vehicle seat fixing table is arranged on the vehicle frame;

the saddle assembly is provided with a saddle framework, the saddle framework is movably mounted on the saddle fixing table, a pair of clamping pieces are arranged at the lower end of the saddle framework, the clamping pieces are respectively positioned on two sides of the saddle fixing table, each clamping piece is provided with a clamping sleeve and a clamping block, the clamping sleeve is connected with the saddle framework, the clamping blocks are movably arranged on the clamping sleeve along the length direction of the saddle framework, and the clamping blocks are movably clamped with the saddle fixing table;

when the saddle framework is installed on the saddle fixing table, the clamping blocks on the clamping sleeves on two sides of the saddle framework are clamped with the saddle fixing table, so that the saddle framework is fixed on the saddle fixing table.

2. A child car according to claim 1, wherein the left and right ends of the seat fixing base are provided with first clamping parts, the first clamping parts are provided with first limiting surfaces and second limiting surfaces, the clamping blocks are provided with second clamping parts, and the second clamping parts are provided with third limiting surfaces and fourth limiting surfaces;

when the first clamping part and the second clamping part are movably propped against each other, the third limiting surface is abutted against the first limiting surface, and the fourth limiting surface is abutted against the second limiting surface.

3. A child car according to claim 2, wherein the clamping sleeve is provided with a limit groove and a first spring, the end of the clamping piece, which is far away from the second clamping part, is provided with a connecting column, one end of the first spring is arranged in the limit groove, and the other end of the first spring is connected with the connecting column.

4. A child car according to claim 1, wherein the sleeve is provided with a through hole, and the lower end of the clamping member is provided with a holding block, and the holding block moves along the length direction of the saddle frame on the through hole.

5. A child vehicle according to claim 4, wherein the seat assembly has a sun shield, the sun shield on each side being connected to the seat frame on the corresponding side by a limited rotation assembly;

the limiting rotating assembly is provided with a first limiting shell, a limiting ring and a third limiting shell, the first limiting shell is detachably connected to the upper end of the saddle framework, one end of the limiting ring is movably clamped with the first limiting shell, the other end of the limiting ring is movably clamped with the third limiting shell, one bone rod of the sunshade is arranged on the first limiting shell, the other bone rod of the sunshade is arranged on the third limiting shell, and the limiting ring and the third limiting shell can be both far away from the first limiting shell along the length direction of the saddle framework;

when the limiting ring is separated from the first limiting shell in the length direction of the saddle framework and is clamped with the first limiting shell, the sunshade can rotate relative to the saddle framework;

when the third limiting shell is separated from the limiting ring in the length direction of the saddle framework, the sunshade can be folded or unfolded.

6. The child car according to claim 5, wherein the first limiting shell is provided with a first end portion and a second end portion, the first end portion is detachably connected with the seat frame, a guide groove is formed in the second end portion, a guide cover, a second spring and a connecting shaft are arranged on the guide groove, the second spring is located in the guide groove, one end of the second spring abuts against the guide cover, the other end of the second spring abuts against the guide groove, one end of the connecting shaft is connected with the guide cover, and the connecting shaft penetrates through the second spring, the guide groove, the limiting ring and the other end of the connecting shaft is connected with the third limiting shell.

7. A child car according to claim 6, wherein the seat frame is provided with a locking member and a positioning chute, the second end portion is provided with a slider, the slider is slidably connected with the positioning chute, and the second end portion is provided with a locking opening, a locking block movable along the length direction of the seat frame is provided in the locking member, and the locking block is inserted into the locking opening.

8. The child car according to claim 5, wherein a plurality of first latches are arranged on the inner wall of the first limiting shell, a second latch is arranged on one end of the limiting ring, a third latch is arranged on the other end of the limiting ring, a clamping groove is arranged on the inner wall of the third limiting shell, the first latch and the second latch are movably clamped, and the third latch is movably connected with the clamping groove.

9. The child car according to claim 1, wherein the seat frame has a seat cushion portion and a backrest portion, positioning grooves are formed in a lower end face of the seat cushion portion, front and rear ends of the seat fixing base are symmetrically arranged along a central position of the seat fixing base, the positioning grooves are movably connected with the seat fixing base, and the backrest portion is rotatably connected with the seat cushion portion through a limiting assembly.

10. A child car according to claim 9, wherein the stop assembly comprises: first stop collar, second stop collar, third spring, joint ring and button, first stop collar is installed on back portion, be provided with first recess on the first stop collar, the second stop collar sets up on the cushion portion, be provided with the second recess on the second stop collar, the joint ring is located between first stop collar and the second stop collar, and be provided with the lug on the outer wall of joint ring along the length direction of seat, the lug with first recess and the movable joint of second recess, the third spring sets up first stop collar with between the joint ring, the one end and the first stop collar butt of third spring, the other end of third spring with the joint ring butt, the button activity sets up on the cushion portion, and the button passes the second stop collar with the movable butt of joint ring.