Child safety seat supporting mechanism and child safety seat

Abstract

The utility model discloses a telescopic child safety seat supporting mechanism and a child safety seat. According to the technical scheme, the supporting leg comprises a supporting leg body and a telescopic guide rail, the telescopic guide rail comprises an outer rail and an inner rail, the supporting leg body is rotatably connected to the front end of the inner rail, a lock knob is arranged on the inner rail, and a lock pin part and an unlocking part are arranged at the top end of the lock knob. An outer sheath is arranged on the inner rail, a group of mounting columns embedded into the outer sheath are arranged on the outer sheath, the lock knob is connected to the mounting columns through lug hole plates at the two ends, a protecting cover is further arranged on each mounting column, a reset spring is arranged between each protecting cover and the lock knob, and a group of screw rods are arranged at the upper end of the outer rail.

Description

Technical Field

[0001] The utility model belongs to the field of child safety seats, and particularly relates to a child safety seat. Background Art

[0002] A child safety seat is a seat installed in a vehicle that can effectively improve the safety of children when riding. Its structure includes: a base, a seat cushion provided on the base, a backrest integrally formed at the upper end of the seat cushion, and a headrest provided at the upper end of the backrest. A support mechanism is usually also installed on the base. The structure of the traditional support mechanism is as shown in the Chinese utility model patent with the patent number "202220887619.9" and the name "A support seat for a child safety seat". Its support legs are fixed to the base through a "Y"-shaped support rod at the top. Since it does not have a telescopic function, after being stored, it occupies a large space, bringing inconvenience to packaging and storage. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a telescopic support mechanism for a child safety seat and a child safety seat.

[0004] To solve the above problems, the technical solutions adopted by the utility model include: a support leg and a telescopic guide rail. The telescopic guide rail includes an outer rail and an inner rail. The support leg is rotatably connected to the front end of the inner rail, and a locking button is provided on the inner rail. The top end of the locking button has a locking pin portion and an unlocking portion. An outer sheath is provided on the inner rail, and a set of mounting posts embedded in the outer sheath are provided on the outer sheath. The locking button is connected to the mounting posts through ear hole plates at both ends. A protective cover is also provided on the mounting posts, and a return spring is provided between the protective cover and the locking button. A set of screw rods is provided at the upper end of the outer rail.

[0005] The child safety seat support mechanism is characterized in that: the support leg is rotatably connected to the front end of the inner rail through a "U"-shaped frame and a connecting shaft. The support leg is welded to the inner side of the "U"-shaped frame, and the connecting shaft passes through the "U"-shaped frame and the protective cover and then is connected to the inner rail.

[0006] The child safety seat support mechanism is characterized in that: an inner sheath is provided on the "U"-shaped frame, a positioning hook is provided on the inner sheath, and a positioning slot matching with the positioning hook is provided on the outer sheath.

[0007] The child safety seat support mechanism is characterized in that: the inner rail is slidably matched with the "U"-shaped guide rail grooves on both sides of the outer rail through "L"-shaped guide rails on both sides, and positioning pieces are provided on the "U"-shaped guide rail grooves close to the "L"-shaped guide rails at the front end.

[0008] The described child safety seat support mechanism is characterized in that: a positioning pin is provided on the inner track, and sliding grooves adapted to the positioning pin are provided on both sides of the outer track.

[0009] The described child safety seat support mechanism is characterized in that: a gasket adapted to the "U"-shaped frame is provided on the support leg.

[0010] The described child safety seat support mechanism is characterized in that: support ribs supporting the inner track are provided on both sides of the outer sheath.

[0011] A child safety seat includes a base, and is characterized in that: the above-mentioned child safety seat support mechanism according to any one of the above is installed on the base, and a lock groove adapted to the lock pin portion is provided.

[0012] The advantages of the child safety seat support mechanism and the child safety seat of the present utility model are as follows: when being stored, the support leg can be retracted into the base of the child safety seat, occupying a small space and being convenient for packaging and storage.

[0013] The present utility model will be further described below in conjunction with the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural view of the child safety seat support mechanism of the present utility model;

[0015] Figure 2 is an exploded view of the child safety seat support mechanism of the present utility model;

[0016] Figure 3 is a sectional view of the child safety seat support mechanism of the present utility model;

[0017] Figure 4 is a schematic partial structural view of the child safety seat support mechanism of the present utility model;

[0018] Figure 5 is a schematic structural view of the outer sheath of the present utility model;

[0019] Figure 6 is a schematic structural view of the lock button of the present utility model;

[0020] Figure 7 is a schematic structural view of the child safety seat of the present utility model;

[0021] Figure 8 is a schematic structural view of the base of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS Embodiment 1:

[0022] Refer to Figures 1-6As shown in the figure, the support mechanism of the children's safety seat of the present utility model includes a support leg 1 and a telescopic guide rail 2. The telescopic guide rail 2 includes an outer rail 3 and an inner rail 4 that is telescopically arranged within the outer rail 3. The support leg 1 is rotatably connected to the front end of the inner rail 4, and a locking button 5 is provided on the inner rail 4. The top end of the locking button 5 has a locking pin portion 6 and an unlocking portion 7. An outer sheath 8 is provided on the inner rail 4, and four mounting posts 9 that are embedded in the outer sheath 8 are provided on the outer sheath 8. The locking button 5 is movably connected to the mounting posts 9 through ear hole plates 10 at both ends. A protective cover 11 is also provided on the mounting posts 9 and is fixed by screws or other means. A return spring 12 is provided between the protective cover 11 and the locking button 5 so that the locking button 5 can be reset after being pressed. Four screw rods 13 are provided at the upper end of the outer rail 3. The outer rail 3 is fixed to the base of the children's safety seat through the screw rods 13. In the above solution, the telescopic guide rail 2 is usually a metal part to ensure strength. The locking button 5 and the outer sheath 8 are usually plastic parts.

[0023] Preferably, the support leg 1 is rotatably connected to the front end of the inner rail 4 through a "U" - shaped bracket 14 and a connecting shaft 15. The support leg 1 is welded to the inner side of the "U" - shaped bracket 14. The connecting shaft 15 passes through the "U" - shaped bracket 14 and the protective cover 11 and then is connected to the inner rail 4. Through the above structure, it is ensured that the support leg 1 is more stably connected to the telescopic guide rail 2.

[0024] Preferably, an inner sheath 16 is provided on the "U" - shaped bracket 14, a positioning hook 17 is provided on the inner sheath 16, and a positioning slot 18 that cooperates with the positioning hook 17 is provided on the outer sheath 8. Through the positioning cooperation of the positioning hook 17 and the positioning slot 18, the positioning of the support leg 1 after folding in place is realized.

[0025] Preferably, the inner rail 4 is in sliding fit with the "U" - shaped guide rail grooves 20 on both sides of the outer rail 3 through "L" - shaped guide rails 19 on both sides, and positioning pieces 21 whose front ends are close to the "L" - shaped guide rails 19 are provided on both sides of the "U" - shaped guide rail grooves 20. The positioning pieces 21 are usually riveted or welded to both sides of the "U" - shaped guide rail grooves 20 to ensure the stability of the front - and - back sliding of the inner rail 4.

[0026] Preferably, a positioning pin 22 is provided on the inner rail 4, and sliding grooves 23 that cooperate with the positioning pin 22 are provided on both sides of the outer rail 3. To further ensure the stability of the front - and - back sliding of the inner rail 4.

[0027] Preferably, a gasket 24 that is adapted to the "U" - shaped bracket 14 is provided on the support leg 1, and the gasket 24 is connected to the support leg 1 through rotating shafts on both sides. To improve the stability of the connection between the support leg 1 and the "U" - shaped bracket 14.

[0028] Preferably, support ribs 25 that support on the inner track 4 are provided on both sides of the outer sheath 8 to improve the connection stability of the outer sheath 8. Embodiment 2:

[0029] Refer to Figures 7-8 As shown, the child safety seat of the present invention includes a base 26. The child safety seat support mechanism a described in Embodiment 1 is installed on the base 26, and a lock groove 27 that cooperates with the lock pin portion 6 is provided at the bottom of the base 26. When the support leg 1 extends out of the base 26 in place, the lock pin portion 6 of the lock button 5 is inserted into the lock groove 27 for locking. When unlocking, it can be done by pressing the unlocking portion 7.

[0030] As mentioned above, there is no any formal restriction on the present invention. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, within the scope of the technical solution of the present invention, can make some changes or modifications to the above-disclosed structure and technical content to be equivalent alternative embodiments. However, as long as it does not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A child safety seat support mechanism, characterized in that: It includes a support leg (1) and a telescopic guide rail (2). The telescopic guide rail (2) includes an outer rail (3) and an inner rail (4). The support leg (1) is rotatably connected to the front end of the inner rail (4), and a locking button (5) is provided on the inner rail (4). The top end of the locking button (5) has a locking pin portion (6) and an unlocking portion (7). An outer sheath (8) is provided on the inner rail (4), and a set of mounting posts (9) embedded in the outer sheath (8) are provided on the outer sheath (8). The locking button (5) is connected to the mounting posts (9) through ear hole plates (10) at both ends. A protective cover (11) is further provided on the mounting posts (9), and a return spring (12) is provided between the protective cover (11) and the locking button (5). A set of screw rods (13) are provided at the upper end of the outer rail (3).

2. The child safety seat support mechanism according to claim 1, wherein: The support leg (1) is rotatably connected to the front end of the inner rail (4) through a "U" - shaped frame (14) and a connecting shaft (15). The support leg (1) is welded to the inner side of the "U" - shaped frame (14). The connecting shaft (15) passes through the "U" - shaped frame (14) and the protective cover (11) and then is connected to the inner rail (4).

3. The child safety seat support mechanism according to claim 2, wherein: An inner sheath (16) is provided on the "U" - shaped frame (14), and a positioning hook (17) is provided on the inner sheath (16). A positioning slot (18) that cooperates with the positioning hook (17) is provided on the outer sheath (8).

4. The child safety seat support mechanism according to claim 1, characterized in that: The inner rail (4) is in sliding fit with the "U" - shaped guide rail grooves (20) on both sides of the outer rail (3) through "L" - shaped guide rails (19) on both sides, and positioning pieces (21) whose front ends are close to the "L" - shaped guide rails (19) are provided on the "U" - shaped guide rail grooves (20).

5. The child safety seat support mechanism according to claim 4, wherein: A positioning pin (22) is provided on the inner rail (4), and chutes (23) that cooperate with the positioning pin (22) are provided on both sides of the outer rail (3).

6. The child safety seat support mechanism according to claim 2, wherein: A gasket (24) adapted to the "U" - shaped frame (14) is provided on the support leg (1).

7. The child safety seat support mechanism according to claim 1, characterized in that: Support ribs (25) that support the inner rail (4) are provided on both sides of the outer sheath (8).

8. A child safety seat, comprising a base (26), characterized in that: The child safety seat support mechanism (a) according to any one of claims 1 - 7 is installed on the base (26), and a locking groove (27) that cooperates with the locking pin portion (6) is provided.

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