CN216508743U

CN216508743U - Child seat folding connection mechanism and child seat

Info

Publication number: CN216508743U
Application number: CN202122721105.4U
Authority: CN
Inventors: 路海贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-13
Anticipated expiration: 2031-11-08

Abstract

The utility model provides a folding connection mechanism of a child seat and the child seat, and the folding connection mechanism of the child seat mainly comprises a mounting part and a connecting part which is pivoted relative to the mounting part, wherein an embedded groove is formed in the connecting part; the connecting piece is characterized by also comprising a rotation control member, wherein the rotation control member comprises a first sliding rod, a second sliding rod and a first elastic piece and a second elastic piece, and the first sliding rod and the second sliding rod can be alternately clamped in the embedded groove so that the connecting piece has a locking state relative to the mounting piece; when the first sliding rod or the second sliding rod clamped in the embedded groove is separated from the embedded groove, the connecting piece has an unlocking state rotating relative to the mounting piece. According to the utility model, the first sliding rod and the second sliding rod are respectively clamped in the embedding grooves, so that the connecting piece can be locked at a certain position relative to the mounting piece, and the structure is novel, and the operation is simple.

Description

Child seat folding connection mechanism and child seat

Technical Field

The utility model relates to the technical field of child seats, in particular to a folding connection mechanism of a child seat, and meanwhile, the utility model also relates to a child seat provided with the folding connection mechanism of the child seat.

Background

Along with the problem of traffic jam is increasingly serious, vehicles such as bicycles, electric vehicles and the like gradually become the first choice of people for short distance travel, especially parents pick up children to learn to use the bicycles and the electric vehicles more frequently, but the bicycles and the electric vehicles do not have seats specially designed for the children, and a vehicle back seat is not very safe for the children, so people invent a front-mounted child seat, which can enable the children to sit in front so as to improve the safety of the traveling process.

At present, the existing front-mounted child seat is relatively simple in structure and mainly comprises a seat, pedals, armrests and a fixed connecting part, the child seat is mainly fixed on an electric vehicle and a bicycle in two modes, one mode is fixed on a pedal in front of the electric vehicle through bolts or binding bands, and the other mode is fixed on a supporting rod below a seat of the electric vehicle or the bicycle through a connecting mechanism. Because of the adoption passes through coupling mechanism with the child's saddle and fixes the mode range of application on the bracing piece wider, and fixed mode is simpler, so receive more consumers' favor.

Most child seat coupling mechanisms at present are relatively simple in structure, relatively few in function, and most of the child seat coupling mechanisms can only be fixed and cannot be folded when the child seat is not needed. When children are not borne on the bicycle or the electric vehicle, or articles need to be placed on pedals of the electric vehicle, the child seat is mounted on the bicycle or the electric vehicle, so that the child seat occupies the space on the bicycle, and finally inconvenience is brought to riding people.

Although some of the existing child seat connection structures can realize folding of the child seat, the operation is often complex and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a folding connection mechanism for a child seat, so as to facilitate folding of the child seat.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a child seat fold connection between a support bar of an electric vehicle seat/bicycle seat and a child seat, the child seat fold connection comprising:

the mounting piece comprises a mounting main body and a mounting part arranged on the mounting main body, and the mounting part can be matched with an external component to fixedly arrange the mounting piece on the supporting rod; the mounting main body comprises two first side plates which are arranged at intervals, shaft holes, first strip-shaped holes and second strip-shaped holes are correspondingly formed in the two first side plates, and the length directions of the first strip-shaped holes and the second strip-shaped holes are arranged in an extending manner along the radial direction of the shaft holes;

the connecting piece is pivoted with the mounting piece, a first pivot shaft forming the pivot centers of the mounting piece and the mounting piece penetrates through the shaft hole, one end of the connecting piece is provided with an embedded groove, a connecting part is arranged at a position close to the other end of the connecting piece, and the connecting part can be matched with an external component to fixedly arrange the child seat on the connecting piece;

the rotation control component comprises a first sliding rod arranged through the first strip-shaped hole, a second sliding rod arranged through the second strip-shaped hole, a first elastic piece connected between the mounting main body and the first sliding rod, and a second elastic piece connected between the mounting main body and the second sliding rod;

the first elastic piece and the second elastic piece can alternately store energy and release energy, so that the first sliding rod and the second sliding rod can be alternately clamped in the embedded groove, and the connecting piece has a locking state relative to the mounting piece; when the first sliding rod or the second sliding rod clamped in the embedded groove is supported by external force and is separated from the embedded groove, the first elastic piece and the second elastic piece both store energy, and the connecting piece can support the external force and has an unlocking state relative to the rotation of the mounting piece.

Furthermore, the cross section of the mounting main body is in an inverted U shape, and the upper ends of the two first side plates are connected with first connecting plates; two being close to of first curb plate the bracing piece position outwards extends respectively and has arranged the mounting panel, the installation department is including offering each through-hole on the mounting panel.

Furthermore, the cross section of the connecting piece is U-shaped and comprises two second side plates which are arranged at intervals, and the lower parts of the two second side plates are connected with a second connecting plate; the first pivot shaft penetrates through the two second side plates, and the embedded grooves are correspondingly formed in the two second side plates.

Furthermore, a folded plate is formed by bending one end, far away from the supporting rod, of the first connecting plate, the folded plate and the first side plate are located on the same side of the first connecting body plate, and the first elastic piece comprises a first spring connected between the folded plate and the first sliding rod.

Furthermore, mounting holes are correspondingly formed in the two first side plates, mounting rods penetrate through the mounting holes, and the second elastic piece comprises second springs connected between the mounting rods and the second sliding rods.

Furthermore, the mounting hole set up in the below in shaft hole, just the installation pole is worn through two the second curb plate sets up, and in set up on the second curb plate have do the hole of stepping down that the installation pole stepped down.

Furthermore, gaps are formed between the folded plate and the two first side plates, and the two second side plates can be respectively inserted into the gaps on the corresponding sides.

Further, the mounting body further comprises reinforcing plates connected to the lower ends of the two first side plates, and the reinforcing plates are arranged close to the supporting rods; and/or the connecting parts are through holes correspondingly arranged on the two second side plates, and the through holes are opened on the second side plates.

Further, first bar hole is seted up in the top in shaft hole, the second bar hole for first bar hole is close to the installation department arranges.

Compared with the prior art, the utility model has the following advantages:

(1) according to the folding connection mechanism for the child seat, the first sliding rod and the second sliding rod are respectively clamped in the embedding grooves, so that the connection piece can be locked at different angles relative to the installation piece. Because the installed part sets firmly on the bracing piece of electric motor car seat/bicycle seat, and set firmly children's seat on the connecting piece, then arrange the inlay groove in through first slide bar and second slide bar card respectively, then can realize the fixing of children's seat at different lifting angles to fold children's seat. First slide bar and second slide bar are accepted the pulling force of first elastic component and second elastic component respectively and are restricted in the inlay groove, when the lifting angle that needs change children's seat, only need exert certain external force, make first slide bar or second slide bar deviate from the inlay groove to rotate the connecting piece and can realize, overall structure is novel, easy operation, and has better practicality.

(2) The cross section of the mounting main body is in an inverted U shape, so that the connecting piece can be lifted and folded; the mounting plate is arranged, the through hole is formed in the mounting plate, the mounting body is matched with an external component to be fixedly arranged on the supporting rod, and the whole weight is light.

(3) The cross section of the connecting piece is U-shaped, the connecting piece can be well matched with the structure of the mounting piece, and the two second side plates are arranged, so that the connecting component can stably rotate relative to the mounting component; all set up the inlay groove on two curb plates for first slide bar and second slide bar are high in the stability of inlaying inslot internal fixation, can promote the fixed stability of connecting piece on the installed part.

(4) A flap is provided to facilitate the arrangement of the first spring.

(5) The mounting holes are formed in the two first side plates, and the mounting rods penetrate through the mounting holes, so that the second springs can be conveniently arranged.

(6) Through set up the hole of stepping down that has for the installation pole stepping down on two second curb plates to can prevent that the installation pole from influencing the rotation of connecting piece for the installed part.

(7) Through all being provided with the clearance between folded plate and two first curb plates to the connecting piece is continuous with the installed part pivot.

(8) The mounting part is provided with the reinforcing plate, so that the structural strength of the mounting part is improved; set up connecting portion into the through-hole that corresponds the setting on two second curb plates, make things convenient for the fixed of children's seat to through setting up the through-hole into setting up a plurality ofly on the second curb plate, so that children's seat is in the fixed of different positions.

(9) Set up first bar hole in the top in shaft hole, can realize the relative installed part of connecting piece in the fixed of horizontal position, and set up second bar hole and be close to the installation department position for first bar hole, can realize the connecting piece for the installed part upwards rotate fixed after the certain angle.

Another object of the present invention is to provide a child seat, wherein the child seat folding connection mechanism is disposed on the child seat.

Compared with the prior art, the child seat provided by the utility model and the folding connection mechanism of the child seat have the same beneficial effects, and the details are not repeated herein.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of a folding attachment mechanism for a child seat according to an embodiment of the present invention;

FIG. 2 is a front view of the folding attachment mechanism of the child seat according to the embodiment of the present invention, wherein the attachment member is in a first state relative to the mounting member;

FIG. 3 is a schematic bottom view of the folding linkage of the child seat according to the embodiment of the present invention, with the linkage in a first position relative to the mounting member;

FIG. 4 is a schematic view of a mounting member of a folding attachment for a child seat according to an embodiment of the present invention;

FIG. 5 is a schematic view of a connection member of a folding connection mechanism for a child seat according to an embodiment of the present invention;

FIG. 6 is a schematic view of the folding attachment mechanism of the child seat according to the embodiment of the utility model in a second state of the attachment relative to the mounting member;

FIG. 7 is a schematic structural view of a connection piece of the folding connection mechanism of a child seat according to an embodiment of the present invention when folded to the lower left corner;

fig. 8 is a partially enlarged view of a in fig. 2.

Description of reference numerals:

1. a support bar; 2. a child seat; 3. a mounting member; 4. a connecting member; 5. clamping a hoop; 6. a first pivot shaft; 7. a first slide bar; 8. a second slide bar; 9. mounting a rod; 10. a first elastic member; 11. a second elastic member; 12. an outer member;

301. a first side plate; 302. a first connecting plate; 303. folding the plate; 304. mounting a plate; 305. an installation part; 306. a shaft hole; 307. a first bar-shaped hole; 308. a second bar-shaped hole; 309. mounting holes; 310. a reinforcing plate;

401. a second side plate; 402. a second connecting plate; 403. a pivot connection hole; 404. embedding a groove; 405. a hole of abdication; 406. a connecting portion.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the "U" shape mentioned in the embodiments of the present invention, and the inverted "U" shape, which means that the opening is directed toward the ground, and the "U" shape, which means that the opening is directed upward relative to the ground, are described based on the application state of the present invention, and the states shown in the drawings are only for clearly showing the structure of the present invention.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The present embodiment relates to a folding connection mechanism for a child seat, which is connected between a support rod 1 of an electric car seat/bicycle seat and a child seat 2, and which mainly comprises a mounting member 3, a connecting member 4 which can rotate relative to the mounting member 3, and a rotation control member which controls whether the connecting member 4 can rotate relative to the mounting member 3.

Based on the above overall structure description, an exemplary structure of the folding connection mechanism of the child seat of the present embodiment is shown in fig. 1 and 2, and the general shapes of the mounting member 3 and the connecting member 4 can be seen from fig. 1 and 2, and the structure of the mounting member 3 will be described in detail with reference to fig. 3 and 4.

The mounting member 3 has a mounting body, and a mounting portion 305 provided on the mounting body. Specifically, the mounting body has an inverted "U" shape in cross section, and is used to connect, on one hand, the connecting member 4 and, on the other hand, the support rod 1 shown in fig. 1, and includes two first side plates 301 arranged at an interval, and further includes a first connecting plate 302 connected to upper ends of the two first side plates 301, and based on the state shown in fig. 4, the first connecting plate 302 is arranged near a right end and is fixedly connected to the two first side plates 301, for example, by welding, or may be formed by a plate through a bending process.

In order to facilitate the arrangement of other parts, a flap 303 deflected toward a second connecting plate 402 described below is fixedly connected to an end of the first connecting plate 302 away from the supporting rod 1, and a gap is formed between the flap 303 and the two first side plates 301, so that the two second side plates 401 described below are respectively inserted into the gaps on the corresponding sides, and the rotation range of the connecting member 4 is relatively large. Further, as shown in fig. 4, the portions of the left sides of the two first side plates 301, which are connected to the link 4, are provided in a circular shape so as to make the rotational range of the link 4 larger.

Based on the state that fig. 4 shows, the right-hand member of installation main part is connected with bracing piece 1, outwards extend respectively in the bracing piece 1 position of being close to of two first curb plates 301 and have arranged mounting panel 304, each mounting panel 304 respectively with correspond the first curb plate 301 welding of side and link to each other, or for a block of plate and adopt the technology shaping of bending, all be formed with the through-hole on each mounting panel 304, so can with the cooperation of clamp 5, through wearing to locate the mounting in this through-hole, for example the bolt links firmly the installation main part on bracing piece 1. In this structure, the through-hole formed in each mounting plate 304 is a mounting portion 305, and the fixing member, the bolt, is the exterior member 12 fitted to the mounting portion 305.

The circular positions on the right side of the two first side plates 301 are correspondingly provided with a shaft hole 306, a first strip-shaped hole 307, a second strip-shaped hole 308 and a mounting hole 309, the first strip-shaped hole 307 is arranged above the shaft hole 306, the second strip-shaped hole 308 is arranged close to the mounting portion 305 relative to the first strip-shaped hole 307, and the mounting hole 309 is arranged below the shaft hole 306.

A first pivot shaft 6 penetrates through the shaft hole 306, a first sliding rod 7 penetrates through the first strip-shaped hole 307, a second sliding rod 8 penetrates through the second strip-shaped hole 308, and an installation rod 9 penetrates through the installation hole 309.

In this embodiment, the first pivot shaft 6, the first sliding rod 7, the second sliding rod 8 and the installation rod 9 are parallel to each other, the first pivot shaft 6, the first sliding rod 7, the second sliding rod 8 and the installation rod 9 are all set as bolts penetrating through the two first side plates 301, caps of the bolts are blocked by one side of the first side plates 301, and studs of the bolts penetrate through the two first side plates 301 and then are matched with nuts, so as to be disposed on the two first side plates 301.

In order to improve the structural strength of the mounting body, the mounting body further comprises a reinforcing plate 310 connecting the lower ends of the two first side plates 301, and the reinforcing plate 310 is arranged close to the supporting rod 1, based on the state shown in fig. 3, the mounting plate 304 is a member for connecting to the supporting rod 1, so that the reinforcing plate 310 is arranged close to the mounting plate 304, and the reinforcing plate 310 can play a role in reinforcing the structural strength of the mounting body.

The structure of the connecting element 4 will be described in connection with fig. 5, the connecting element 4 being intended to be pivotally connected to the mounting element 3 on the one hand and to be fixedly connected to the child seat 2 in fig. 1 on the other hand. The cross section of the connecting member is in a "U" shape, and the connecting member includes two second side plates 401 arranged at intervals, and a second connecting plate 402 connecting lower ends of the two second side plates 401, and the two second side plates 401 can be respectively inserted into gaps of corresponding sides.

Based on the state shown in fig. 5, the second connecting plate 402 is provided at the middle position of the second side plate 401, leaving a certain space on the right side so as not to affect the rotation of the connecting member 4 with respect to the mounting member 3, and also leaving a certain space on the left side so as to accommodate the mounting of the child seat 2 at different angles. The right side of the two second side plates 401 connected to the mounting member 3 is formed in a circular shape, and the size thereof is smaller than that of the circular shape on the left side of the mounting member 3, so that the coupling member 4 is easily assembled with the mounting member 3.

Similarly, in order to facilitate the pivotal connection between the connecting member 4 and the mounting member 3, a pivot connection hole 403 is formed in a left circular portion of each of the two side second side plates 401, the pivot connection hole 306 is corresponding to the shaft hole 306, and the first pivot shaft 6 passes through the pivot connection hole 403 to pivotally connect the connecting member 4 and the mounting member 3.

Further, an elongated insertion groove 404 is provided above the pivot connection hole 403, and the first slide lever 7 and the second slide lever 8 are respectively inserted into the insertion groove 404 due to the rotation of the link 4 with respect to the mounting member 3, so that the link 4 is locked with respect to the mounting member 3.

In order to enable the connecting member 4 to be rotatably connected with the mounting member 3, arc-shaped long circular grooves, namely, the above-mentioned abdicating holes 405 are formed in the two second side plates 401 below the pivot connecting holes 403, the mounting rods 9 are inserted through the abdicating holes 405, and when the connecting member 4 rotates relative to the mounting member 3, the mounting rods 9 can slide in the abdicating holes 405 so as not to hinder the connecting member 4 from rotating relative to the mounting member 3.

In order to connect the child seat 2 conveniently, a connecting portion 406 is formed on the second side plate 401, and the connecting portion 406 is specifically a plurality of through holes correspondingly formed in the two second side plates 401, and the through holes are opened in the second side plate 401, so as to fix the child seat 2 at different positions, and the existing child seat 2 and the connecting member 4 can be fixedly connected together by bolts.

To facilitate the control, the child seat attachment structure of the present invention further includes a rotation control member including a first slide bar 7 disposed through the first strip-shaped hole 307, a second slide bar 8 disposed through the second strip-shaped hole 308, a first elastic member 10 connected between the mounting body and the first slide bar 7, and a second elastic member 11 connected between the mounting body and the second slide bar 8.

When the connecting piece 4 rotates relative to the mounting piece 3, the first elastic piece 10 and the second elastic piece 11 can alternately store energy and release energy, so that the first sliding rod 7 and the second sliding rod 8 can be alternately clamped in the embedded groove 404, and the connecting piece 4 has a locked state relative to the mounting piece 3; when the first slide rod 7 or the second slide rod 8 engaged with the engagement groove 404 is disengaged from the engagement groove 404 by receiving an external force, the first elastic member 10 and the second elastic member 11 are both charged with energy, and the link 4 can have an unlocked state rotated with respect to the attachment 3 by receiving the external force.

The aforementioned first elastic member 10 includes a first spring connected between the flap 303 and the first slide bar 7, and the second elastic member 11 includes a second spring connected between the mounting bar 9 and the second slide bar 8. In this embodiment, the first spring and the second spring are preferably springs with hooks at both ends, and in order to facilitate the connection between the first spring and the folded plate 303, a connection hole may be provided at a corresponding position of the folded plate 303, one hook of the spring is hooked in the connection hole, and the other hook is hooked on the first sliding rod 7. In this structure, the positions of the first spring and the second spring are preferably between the two second side plates 401. In this embodiment, one hook of the first spring may be disposed on the folded plate 303, or may be disposed at other positions of the mounting body according to functional requirements.

In actual use, as shown in fig. 7, when the link 4 does not receive external force, if neither the first slide bar 7 nor the second slide bar 8 is engaged with the engagement groove 404, the link 4 can be folded toward the lower left corner under the restriction of its own weight and the relief groove, and the position of the link 4 with respect to the mounting member 3 is not fixed in this state, and at this time, the link 4 can be rotated with respect to the mounting member 3 while receiving external force.

If the link 4 is rotatable clockwise with respect to the mounting member 3 by an external force, as shown in fig. 2 and 3, when the link 4 is rotated to a position where the second connecting plate 402 is parallel to the first connecting plate 302, the first sliding rod 7 may be positioned in the insertion groove 404 by the elastic force of the first elastic member 10 and cause the link 4 to have a first state of being fixed with respect to the mounting member 3; if the first sliding rod 7 is forced to be out of the limit of the insertion groove 404 by an external force and the link 4 is further rotated clockwise with respect to the mounting member 3, as shown in fig. 6, when the link 4 is rotated to a certain position with respect to the upper right corner of the mounting member 3, the second sliding rod 8 may be positioned in the insertion groove 404 by the elastic force of the second elastic member 11 and the link 4 may have a second state fixed with respect to the mounting member 3.

In the present embodiment, the positions of the first bar hole 307, the second bar hole 308, and the insertion groove 404 are not fixed, but the positions of the first bar hole 307, the second bar hole 308, and the insertion groove 404 may be adjusted so that the connection member 4 is fixed to the mounting member 3 at different positions during actual design.

According to the folding connection mechanism of the child seat, the first sliding rod 7 and the second sliding rod 8 are respectively clamped in the embedded groove 404, so that the connecting piece 4 can be locked at different angles relative to the mounting piece 3.

Because the installed part 3 sets firmly on the bracing piece 1 of electric motor car seat/bicycle seat, and set firmly children's seat 2 on the connecting piece 4, then arrange the inlay groove 404 in through first slide bar 7 and second slide bar 8 card respectively, then can realize the fixed of children's seat 2 in different lifting angles to realize children's seat's horizontal fixation, or upwards and decurrent folding.

The first sliding rod 7 and the second sliding rod 8 are respectively connected with the tension of the first elastic element 10 and the second elastic element 11 and limited in the embedded groove 404, when the lifting angle of the child seat 2 needs to be changed, so that the child seat 2 can be lifted to the horizontal position, the child can conveniently sit, or the child seat 2 can be folded upwards or downwards, the space occupied by the child seat 2 can be saved, only a certain external force needs to be applied, the first sliding rod 7 or the second sliding rod 8 can be separated from the embedded groove 404, and the connecting piece 4 can be rotated.

Meanwhile, the embodiment also relates to a child seat, wherein the child seat folding connection mechanism is configured on the child seat, so that the lifting and folding adjustment operation of the child seat 2 is convenient, and the child seat has better practicability.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. The utility model provides a children's seat folding joint mechanism, connects between bracing piece (1) and children's seat (2) of electric motor car seat/bicycle seat, its characterized in that, children's seat folding joint mechanism includes:

the mounting piece (3) comprises a mounting body and a mounting part (305) arranged on the mounting body, and the mounting part (305) can be matched with an external component (12) to fixedly arrange the mounting piece (3) on the supporting rod (1); the mounting main body comprises two first side plates (301) which are arranged at intervals, shaft holes (306), first strip-shaped holes (307) and second strip-shaped holes (308) are correspondingly formed in the two first side plates (301), and the length directions of the first strip-shaped holes (307) and the second strip-shaped holes (308) are arranged along the radial extension of the shaft holes (306);

the connecting piece (4) is pivotally connected with the mounting piece (3), a first pivot shaft (6) forming pivot centers of the mounting piece and the mounting piece penetrates through the shaft hole (306), one end of the connecting piece (4) is provided with an embedded groove (404), a connecting part (406) is arranged at a position close to the other end of the connecting piece, and the connecting part (406) can be matched with an external component (12) to fixedly arrange the child seat (2) on the connecting piece (4);

a rotation control member including a first sliding rod (7) disposed through the first strip-shaped hole (307), a second sliding rod (8) disposed through the second strip-shaped hole (308), a first elastic piece (10) connected between the mounting body and the first sliding rod (7), and a second elastic piece (11) connected between the mounting body and the second sliding rod (8);

the first elastic part (10) and the second elastic part (11) can be alternately charged and discharged, so that the first sliding rod (7) and the second sliding rod (8) can be alternately clamped in the embedded groove (404), and the connecting piece (4) has a locking state relative to the mounting piece (3); when the first sliding rod (7) or the second sliding rod (8) clamped in the embedded groove (404) is subjected to external force and is separated from the embedded groove (404), the first elastic piece (10) and the second elastic piece (11) are both charged with energy, and the connecting piece (4) can be subjected to the external force and has an unlocking state rotating relative to the mounting piece (3).

2. The child seat fold connection of claim 1, wherein:

the cross section of the mounting main body is inverted U-shaped, and the upper ends of the two first side plates (301) are connected with a first connecting plate (302); the position of the two first side plates (301) close to the support rod (1) is respectively provided with a mounting plate (304) in an outward extending mode, and the mounting part (305) comprises through holes formed in the mounting plates (304).

3. The child seat fold connection of claim 2, wherein:

the cross section of the connecting piece (4) is U-shaped and comprises two second side plates (401) which are arranged at intervals, and the lower parts of the two second side plates (401) are connected with a second connecting plate (402); the first pivot shaft (6) penetrates through the two second side plates (401), and the embedded grooves (404) are correspondingly formed in the two second side plates (401).

4. The child seat fold connection of claim 3, wherein:

one end of the first connecting plate (302) far away from the supporting rod (1) is bent to form a folded plate (303), the folded plate (303) and the first side plate (301) are located on the same side of the first connecting body plate, and the first elastic piece (10) comprises a first spring connected between the folded plate (303) and the first sliding rod (7).

5. The child seat fold connection of claim 3, wherein:

mounting holes (309) are correspondingly formed in the two first side plates (301), mounting rods (9) penetrate through the mounting holes (309), and the second elastic piece (11) comprises second springs connected between the mounting rods (9) and the second sliding rods (8).

6. The child seat fold connection of claim 5, wherein:

the mounting hole (309) is opened in the below of shaft hole (306), just installation pole (9) are worn through two second curb plate (401) set up, and in set up on second curb plate (401) have do installation pole (9) hole of stepping down (405) of stepping down.

7. The child seat fold connection of claim 4, wherein:

gaps are formed between the folded plate (303) and the two first side plates (301), and the two second side plates (401) can be respectively inserted into the gaps on the corresponding sides.

8. The child seat fold connection of claim 3, wherein:

the mounting body further comprises reinforcing plates (310) connected to the lower ends of the two first side plates (301), and the reinforcing plates (310) are arranged close to the support rod (1); and/or the presence of a gas in the gas,

the connecting parts (406) are through holes correspondingly formed in the two second side plates (401), and the through holes are formed in the second side plates (401).

9. The child seat fold connection of any of claims 2-8, wherein:

the first strip-shaped hole (307) is formed in the upper portion of the shaft hole (306), and the second strip-shaped hole (308) is close to the installation portion (305) relative to the first strip-shaped hole (307).

10. A child seat, wherein the child seat is provided with a child seat fold connection according to any one of claims 1 to 9.