Child safety seat

Abstract

The utility model discloses a child safety seat which comprises a base, a first gear is arranged in the center of the base, the first gear is meshed with a worm through a second gear, and one end of the worm is connected with a driving motor. A fixing frame is arranged in the base, and a plurality of fixing points are arranged in the fixing frame and used for keeping the relative positions of the first gear, the second gear and the worm fixed; the adjusting structure is arranged above the base and is rotatably connected with the base; the seat main body is arranged above the adjusting structure, and the seat main body is in sliding connection with the adjusting structure, so that the angle of the seat main body is adjusted. Compared with the prior art that only straight gear transmission is adopted, through the cooperation of the first gear, the second gear and the worm, the structure is simpler, and the occupied space is smaller. And the rotating point positions of the first gear, the second gear and the worm are fixed through the fixing frame, and the meshing stability can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety seat, specifically relates to a children safety seat. BACKGROUND

[0002] Children safety seat is a kind of car seat specially designed for children, plays a vital role for guaranteeing children to travel safely, and the death rate of children in car accident events can be effectively reduced by 70% by using children safety seat correctly.The safety seat in the related art generally has the function of seat rotation, that is, the forward and reverse directions can be adjusted to adapt to children of different ages and weights.

[0003] In the related art, the seat rotation function is mainly realized by straight gear transmission or belt transmission, but the above two transmission modes have the problems of complex transmission and poor stability of meshing. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of children safety seats to solve above-mentioned problems.

[0005] The utility model discloses the following technical solutions to achieve the above-mentioned purposes specifically:

[0006] A children safety seat, comprising a base, a first gear is arranged at the center of the base, the first gear is meshed with a worm through a second gear, one end of the worm is connected with a driving motor;

[0007] A fixing frame is arranged in the base, a plurality of fixing points are arranged in the fixing frame, for keeping the relative positions of the first gear, the second gear and the worm fixed;

[0008] An adjusting structure is arranged above the base and rotatably connected with the base.

[0009] A seat body is arranged above the adjusting structure, and the seat body is slidably connected with the adjusting structure, so that the seat body can be adjusted in angle.

[0010] As a further description of the above technical solutions, a first connecting part is arranged on the first gear.

[0011] As a further description of the above technical solutions, a sliding connecting piece is arranged on the adjusting structure, a signal contact piece is arranged at the bottom of the adjusting structure, a second connecting part is arranged at the center of the bottom of the adjusting structure, a second rotation limiting part is arranged at the edge of the adjusting structure, and a plurality of angle locking holes are arranged on the sliding connecting piece.

[0012] As a further description of the above technical solution, the first connecting part is connected with the second connecting part, so that the adjusting structure can rotate synchronously with the first gear.

[0013] As a further description of the above technical solution, the bottom of the seat body is provided with a plurality of sliding grooves, and the sliding grooves are connected with the sliding connecting pieces.

[0014] As a further description of the above technical solution, the angle adjusting seat corresponds to the position of the angle locking hole.

[0015] As a further description of the above technical solution, the fixing frame is provided with a first rotation point for fixing the first gear, a second rotation point for fixing the second gear, and a third rotation point for fixing the worm.

[0016] As a further description of the above technical solution, the base is provided with a first rotation limiting part, the bottom of the base is provided with a signal switch and an electric control module, and the surface of the base is provided with a power interface.

[0017] As a further description of the above technical solution, the first rotation limiting part is sleeved with the second rotation limiting part, so as to limit the rotation position of the adjusting structure.

[0018] As a further description of the above technical solution, the driving motor is electrically connected with the electric control module, and the signal switch corresponds to the position of the signal contact piece.

[0019] The beneficial effects of the present application are as follows:

[0020] The present application can make the seat body rotate forward and reverse on the base, and the seat can also be angle-adjusted on the adjusting structure. Compared with the existing straight gear transmission, the structure is simpler and occupies less space through the cooperation of the first gear, the second gear and the worm. The rotation points of the first gear, the second gear and the worm are fixed by the fixing frame, which can effectively improve the stability of meshing.

[0021] In order to more clearly illustrate the structural features and effects of the present application, the present application will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic view of the child safety seat provided by the present application;

[0023] Figure 2is a perspective view of the base of the utility model;

[0024] Figure 3 is a plan view of the base of the utility model;

[0025] Figure 4 is a plan view of another embodiment of the base of the utility model;

[0026] Figure 5 is a bottom perspective view of the base of the utility model;

[0027] Figure 6 is a schematic view of the gear, worm and fixing frame cooperation of the utility model;

[0028] Figure 7 is an exploded schematic view of the gear, worm and fixing frame cooperation of the utility model;

[0029] Figure 8 is a perspective view of the adjusting structure of the utility model;

[0030] Figure 9 is a bottom view of the adjusting structure of the utility model;

[0031] Figure 10 is a partial sectional view of the adjusting structure and base cooperation of the utility model;

[0032] Figure 11 is a perspective view of the seat main body of the utility model;

[0033] Figure 12 is a perspective view of the back of the seat main body of the utility model.

[0034] Reference signs:

[0035] 1, base;101, first gear;101-1, first connecting part;102, second gear;103, worm;104, driving motor;105, fixing frame;105-1, first rotation point;105-2, second rotation point;105-3, third rotation point;106, signal switch;107, first rotation limiting part;108, electric control module;109, power supply interface;

[0036] 2, adjusting structure;201, sliding connecting piece;202, signal touching piece;203, second connecting part;204, second rotation limiting part;205, angle locking hole;

[0037] 3, seat main body;301, sliding groove;302, angle adjusting seat;302-1, angle locking pin. DETAILED DESCRIPTION

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0039] like Figures 1-12 As shown, in one embodiment, a child safety seat includes a base 1, with a first gear 101 disposed at the center of the base 1. The first gear 101 meshes with a worm gear 103 through a second gear 102, and one end of the worm gear 103 is connected to a drive motor 104.

[0040] The base 1 is provided with a fixing frame 105, and the fixing frame 105 is provided with multiple fixing points to keep the relative positions of the first gear 101, the second gear 102 and the worm gear 103 fixed.

[0041] Adjustment structure 2, which is disposed above the base 1 and is rotatably connected to the base 1;

[0042] The seat body 3 is disposed above the adjustment structure 2 and is slidably connected to the adjustment structure 2 so that the seat body 3 can be angled.

[0043] The base 1, the adjustment structure 2, and the seat body 3 are stacked in the vertical direction.

[0044] Through the above technical solution, the seat body 3 can rotate forward and backward on the base 1, and the seat angle can also be adjusted on the adjustment structure 2. Furthermore, the cooperation of the first gear 101, the second gear 102, and the worm gear 103 results in a simpler structure and smaller space occupation compared to existing transmissions that only use spur gears. Moreover, the fixing bracket 105 effectively improves the stability of the meshing by fixing the rotation points of the first gear 101, the second gear 102, and the worm gear 103.

[0045] Optionally, a first connecting portion 101-1 is provided on the first gear 101. Specifically, the first connecting portion 101-1 is provided at the center of the first gear 101. Figure 2 The first connecting part 101-1 is a square protruding structure with a hollow shape and multiple sets of reinforcing ribs in the middle, which can improve the strength of the first connecting part 101-1.

[0046] Optionally, refer to Figures 4-5In the base 1, a first rotation limiting part 107 is further arranged, the bottom of the base 1 is provided with a signal switch 106 and an electric control module 108, the electric drive group is connected with the signal switch 106 through electric wires, and is connected with a power supply and a system mainboard, under the action of the electric signal, the electric drive motor 104 can rotate in positive or reverse direction to drive the seat group to rotate in positive or reverse direction. The surface of the base 1 is provided with a power interface 109, which can realize charging or connecting external power supply. The first rotation limiting part 107 is sleeved with the second rotation limiting part 204 to limit the rotation position of the adjusting structure 2, for details, please refer to Figure 12 The edge of the first rotation limiting part 107 is clamped with the edge of the second rotation limiting part 204, so that when the first gear 101 drives the adjusting structure 2 to rotate, the adjusting structure 2 will not deviate from the position.

[0047] Optionally, the position of rotation is determined by the touch of the signal switch 106 and the signal touch piece 202 to the electric control module 108.

[0048] Optionally, referring to Figures 8-9 The adjusting structure 2 is provided with a sliding connecting piece 201, specifically, the sliding connecting piece 201 includes supports arranged on both sides, horizontal rods crossing the supports are arranged at both ends of the supports, the sliding connecting piece 201 is matched with a sliding groove 301 on the seat body 3, a plurality of angle locking holes 205 are arranged on the supports of the sliding connecting piece 201, and a locking pin is inserted into different holes to adjust the seat body 3 to different angles. A signal touch piece 202 is arranged at the bottom of the adjusting mechanism, a second connecting part 203 is arranged at the bottom of the adjusting structure 2, the second connecting part 203 is a groove, the shape of the groove corresponds to the shape of the first connecting part 101-1, the first connecting part 101-1 can be inserted into the second connecting part 203, so that the first gear 101 can drive the adjusting structure 2 and the seat body 3 above to rotate synchronously.

[0049] Optionally, referring to Figures 10-12 The bottom of the seat body 3 is provided with a plurality of sliding grooves 301, and the sliding grooves 301 are connected with the sliding connecting piece 201, the bottom of the seat body 3 is provided with an angle adjusting seat 302, and an angle locking pin is fixed in the angle adjusting seat 302, wherein the position of the angle adjusting seat 302 corresponds to the position of the angle locking hole 205, after the sliding groove 301 of the seat body 3 and the sliding connecting piece 201 of the adjusting structure 2 are correspondingly assembled, the position of the angle adjusting seat 302 corresponds to the position of the angle locking hole 205, and when it is needed to adjust to a preset angle, the angle locking pin is inserted into the corresponding angle locking hole 205 and the opening of the angle adjusting seat 302.

[0050] Optionally, referring to Figures 6-7The first rotation point 105-1 for fixing the first gear 101 is arranged on the fixing frame 105, the second rotation point 105-2 for fixing the second gear 102 is arranged on the fixing frame 105, the third rotation point 105-3 for fixing the worm 103 is arranged on the fixing frame 105, the center of the first gear 101 is correspondingly fixed in the first rotation point 105-1, the center of the second gear 102 is correspondingly fixed in the second rotation point 105-2, and the two ends of the worm 103 are correspondingly fixed in the third rotation point 105-3, so that the positions of the first gear 101, the second gear 102 and the worm 103 are fixed, and the stability during meshing transmission is improved.

[0051] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0052] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A child safety seat, characterized in that, Including the base (1), the center of the base (1) is provided with a first gear (101), the first gear (101) is engaged with the worm (103) through the second gear (102), one end of the worm (103) is connected with the driving motor (104); The base (1) is provided with a fixing frame (105), a plurality of fixing points are arranged in the fixing frame (105), which are used for keeping the relative position of the first gear (101), the second gear (102) and the worm (103) fixed; Adjusting structure (2), the adjusting structure (2) is arranged above the base (1), and is rotatably connected with the base (1); The seat body (3) is arranged above the adjusting structure (2), and the seat body (3) is slidably connected with the adjusting structure (2), so that the seat body (3) is angle adjusted.

2. The child safety seat of claim 1, wherein, The first gear (101) is provided with a first connecting part (101-1).

3. The child safety seat of claim 2, wherein, The adjusting structure (2) is provided with a sliding connecting piece (201), the bottom of the adjusting structure (2) is provided with a signal touch piece (202), the bottom center of the adjusting structure (2) is provided with a second connecting part (203), the edge of the adjusting structure (2) is provided with a second rotation limiting part (204), a plurality of angle locking holes (205) are formed in the sliding connecting piece (201).

4. The child safety seat of claim 3, wherein, The first connecting part (101-1) is connected with the second connecting part (203), so that the adjusting structure (2) can rotate synchronously with the first gear (101).

5. The child safety seat of claim 4, wherein, The bottom of the seat body (3) is provided with a plurality of sliding grooves (301), and the sliding grooves (301) are connected with the sliding connecting piece (201), the bottom of the seat body (3) is provided with an angle adjusting seat (302), and the angle adjusting seat (302) is fixedly provided with an angle locking pin (302-1).

6. The child safety seat of claim 5, wherein, The angle adjusting seat (302) corresponds to the position of the angle locking hole (205).

7. The child safety seat of claim 1, wherein, The fixing frame (105) is provided with a first rotation point (105-1) for fixing the first gear (101), the fixing frame (105) is provided with a second rotation point (105-2) for fixing the second gear (102), and the fixing frame (105) is provided with a third rotation point (105-3) for fixing the worm (103).

8. The child safety seat of claim 3, wherein, The base (1) is provided with a first rotation limiting part (107), the bottom of the base (1) is provided with a signal switch (106) and an electric control module (108), and the surface of the base (1) is provided with a power interface (109).

9. The child safety seat of claim 8, wherein, The first rotation limiting part (107) is sleeved with the second rotation limiting part (204), so as to limit the rotation position of the adjusting structure (2).

10. The child safety seat of claim 8, wherein, The driving motor (104) is electrically connected with the electric control module (108), and the signal switch (106) corresponds to the position of the signal touch piece (202).

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