A child safety seat

Abstract

The present invention discloses a child safety seat, which comprises a base and a backrest, wherein the base comprises a base and a seat cushion that can be folded and rotated relative to the base, wherein the base has a through slot that runs through its left and right side walls, and the seat cushion has two states of opening and closing relative to the base, wherein when the seat cushion is closed, the seat cushion cover is arranged on the through slot, which is assembled with the base, and the through slot is closed on the circumference that runs through the other directions in the left and right directions, and when the seat cushion is opened, the seat cushion flips away from the base, and the through slot is opened above and in the left and right directions to allow the car safety belt to enter the through slot. The present invention utilizes a seat cushion that has two states of opening and closing, so that the notch on the circumference of the through slot can be opened and closed, which is convenient for the fastening of the safety belt, and does not require the operator to fasten the safety belt in a narrow and circumferentially closed space.

Description

Technical Field

[0001] The invention belongs to the technical field of children's products, and in particular relates to a child safety seat. Background Art

[0002] Child safety seats ensure the safety of children when riding in a car. Usually, for children who are younger or whose height is shorter than the required value, the child safety seat can only face backward when installed on the car seat, that is, in the reverse installation state; and when the child is older or his height reaches the required value, the child safety seat can be installed on the car seat with the seat facing forward, that is, in the forward installation state.

[0003] In order to adapt to the forward and reverse installation states, corresponding binding grooves need to be set on the seat respectively, which increases the processing difficulty; and the existing binding grooves are usually set between the base and the seat cushion, and the base and the seat cushion are relatively fixed and the space between the two is small. When fastening the seat belt, the seat belt needs to be passed through a small space, which makes the operation difficult. Summary of the invention

[0004] The object of the present invention is to provide a child safety seat with a stable connection and convenient safety belt connection.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a child safety seat, comprising a base and a backrest connected in sequence from bottom to top, the base comprising a base and a seat cushion that can be folded and rotated relative to the base, the base having a through slot running through its left and right side walls, the seat cushion having two states of open and closed relative to the base, when the seat cushion is closed, the seat cushion cover is arranged on the through slot, which is spliced ​​with the base, the through slot is closed on the circumferential surface that runs through the remaining directions in the left and right directions, when the seat cushion is opened, the seat cushion flips over and leaves the base, and the through slot is opened above and in the left and right directions to allow the car safety belt to enter the through slot.

[0006] Optimized, the front side of the backrest is installed in a forward installation state when it is facing forward, and in a reverse installation state otherwise, the base includes a rear support platform, a front support platform and a middle connecting plate connected between the rear support platform and the front support platform, the opposite surfaces of the rear support platform and the front support platform are respectively the front side surface of the rear support platform and the rear side surface of the front support platform, the front side surface of the rear support platform, the rear side surface of the front support platform and the upper end surface of the middle connecting plate form the through groove, when in the forward installation state, the car safety belt is pressed on the front side surface of the rear support platform, and when in the reverse installation state, the car safety belt is pressed on the upper end surface of the middle connecting plate and / or the rear side surface of the front support platform.

[0007] Furthermore, the rear support platform, the front support platform and the middle connecting plate are integrally formed.

[0008] Furthermore, the seat cushion includes a rear seat body that can be folded and rotatably arranged on the base and a front seat body that can be folded and rotatably arranged on the rear seat body, the front seat body has two states: folded and unfolded, when the front seat body is unfolded, the upper surfaces of the front seat body and the rear seat body are coplanar, the seat cushion cover is arranged on the base and spans the through slot, and when the front seat body is folded, the front seat body is folded downward and stored in the through slot.

[0009] Furthermore, the folding angle of the front seat body is greater than 90°.

[0010] Furthermore, the backrest can be folded forward and backward and rotated on the base, and outer guard plates extending forward are provided on both sides of the backrest. Outer clearance grooves for accommodating the outer guard plates are opened on the front support platform. When the backrest is folded downward, the two outer guard plates are respectively inserted into the two outer clearance grooves.

[0011] Furthermore, the child safety seat also includes a head support which can be slid up and down on the backrest, and inner guard plates extending forward are provided on both sides of the head support. Inner clearance grooves for accommodating the inner guard plates are opened on the front support platform. When the head support is retracted and the backrest is folded downward, the two inner guard plates are respectively inserted into the two inner clearance grooves.

[0012] Furthermore, the child safety seat includes the forward installation state, the reverse installation state and the folded state. When the child safety seat is in the folded state, the head support is flipped downward and its upper end surface is in a vertical state and flush with the front end surface of the base. The backrest is flipped and retracted into the rear seat body. Its rear end surface is now in a horizontal state and flush with the upper end surfaces of the guard plates extending upward on the left and right sides of the rear seat body, and at the same time flush with the upper end surface of the rear support platform. The maximum width of the backrest in the left and right directions is the same as the maximum width of the base in the left and right directions.

[0013] Optimized, the base also includes an auxiliary support plate pivotally connected to the base, at least two main support surfaces are formed on the base, wherein the two main support surfaces are respectively a first main support surface and a second main support surface, and at least two secondary support surfaces are formed on the auxiliary support plate, wherein the two secondary support surfaces are respectively a first secondary support surface and a second secondary support surface; the auxiliary support plate has at least two working states, folding and unfolding, when the auxiliary support plate is folded, the first main support surface and the first secondary support surface constitute a first support surface, and the first support surface is used to support on a car seat, and the safety seat is in a forward installation state; when the auxiliary support plate is opened, the second main support surface and the second secondary support surface constitute a second support surface, and the second support surface is used to support on a car seat, and the safety seat is in a reverse installation state.

[0014] Furthermore, the lower end surface of the base is the first main supporting surface, and a first transition surface inclined to both the lower end surface and the rear end surface is formed between the first transition surface and the second main supporting surface. The first transition surface is the second main supporting surface. A flip groove is provided on the lower end surface of the base, and the auxiliary support plate is rotatably connected to the flip groove. When the auxiliary support plate is folded, the first main supporting surface and the first secondary supporting surface are coplanar and form a first supporting surface. When the auxiliary support plate is unfolded, the second main supporting surface and the second secondary supporting surface are coplanar and form a second supporting surface.

[0015] The beneficial effects of the present invention are as follows: the present invention utilizes a seat cushion with two states, open and closed, so that the notches on the circumferential surface formed by the through groove can be opened and closed, which is convenient for fastening the safety belt and does not require the operator to fasten the safety belt in a narrow and circumferentially closed space, especially when providing for the two-point safety belt to be tied, which is easier to operate; the two main supporting surfaces on the base and the two secondary supporting surfaces on the auxiliary supporting plate form two first supporting surfaces and a second supporting surface for the forward installation state and the reverse installation state respectively, which not only has a simple structure and is easy to adjust, but also after the installation is completed, regardless of the vehicle condition, the connection stability of the safety seat is very high, and the sitting posture can be guaranteed to be comfortable, and at the same time, the folding of the front end of the seat cushion can make folding space for the backrest and the head support, so that the safety seat occupies very little space after being folded. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 This is a cross-sectional view of the safety seat when it is installed in the forward direction;

[0017] Attached Figure 2 This is a three-dimensional view of the safety seat when it is installed in the forward direction;

[0018] Attached Figure 3 This is a three-dimensional view of the safety seat when it is installed in reverse;

[0019] Attached Figure 4 For attachment Figure 2 A partial view of

[0020] Attached Figure 5 This is a schematic diagram of the safety belt fastening position when the safety seat is installed in the forward direction;

[0021] Attached Figure 6 This is a schematic diagram of the safety belt fastening position when the safety seat is installed in reverse;

[0022] Attached Figure 7 A three-dimensional view of the safety seat in a folded state;

[0023] Attached Figure 8 It is a schematic diagram of adjusting the safety seat from a reverse installation state to a forward installation state and then to a folded state.

[0024] In the accompanying drawings: 0, car safety belt; 1, base; 11, base; 12, auxiliary support plate; 13, first main support surface; 14, second main support surface; 15, first secondary support surface; 16, second secondary support surface; 17, flip groove; 18, rear support platform; 19, front support platform; 10, seat cushion; 110, rear side surface of front support platform; 111, upper end surface of middle connecting plate; 112, front side surface of rear support platform; 113, through groove; 114, middle connecting plate; 115, rear seat body; 116, front seat body; 117, grip groove; 118, outer clearance groove; 119, inner clearance groove; 1151, guard plate; 2, backrest; 21, outer guard plate; 22, backrest body; 23, backrest cover; 24, plug-in groove; 25, convex ridge; 3, head support; 31, inner guard plate. DETAILED DESCRIPTION

[0025] The present invention is described in detail below in conjunction with the embodiments shown in the accompanying drawings:

[0026] like Figure 1-5 As shown, the child safety seat includes a base 1, a backrest 2 and a head support 3 connected in sequence from bottom to top, the backrest 2 can be folded and rotated forward and backward and is arranged on the base 1, the head support 3 can be slidably arranged on the upper part of the backrest 2 up and down, the surface of the backrest 2 that contacts the user is the front side surface, and the surface opposite to the front side surface is the rear side surface. When the front side surface is installed towards the direction of travel, it is a forward installation state, and vice versa.

[0027] The base 1 includes a base 11, an auxiliary support plate 12 pivotally connected to the base 11, and a seat cushion 10 that can be folded and rotated relative to the base 11. The base 11 has a through slot 113 that passes through the left and right side walls thereof, and the left and right directions are the axial directions of the through slot 113. Figure 1For example, the left and right direction is the direction perpendicular to the paper surface, and the seat cushion 10 has two states: open and closed. When the seat cushion 10 is closed, the seat cushion 10 is covered on the through groove 113, which is spliced ​​with the base 11, and the through groove 113 forms a through hole with a closed circumference and axial penetration. When the seat cushion 10 is opened, the seat cushion 10 flips away from the base 11, and the notch on the circumference of the through groove 113 forms an entry channel for the car seat belt 0 to enter the through groove 113.

[0028] Specifically, the base 11 includes a rear support platform 18, a front support platform 19 and a middle connecting plate 114 connected between the rear support platform 18 and the front support platform 19, and the three are formed in one piece. The opposite surfaces of the rear support platform 18 and the front support platform 19 are respectively the front side surface 112 of the rear support platform 18 and the rear side surface 110 of the front support platform 19. The front side surface 112 of the rear support platform 18, the rear side surface 110 of the front support platform 19 and the upper end surface 111 of the middle connecting plate 114 form a through groove 113. When in the forward installation state, the car safety belt 0 is pressed on the front side surface 112 of the rear support platform 18. When in the reverse installation state, the car safety belt 0 is pressed on the upper end surface 111 of the middle connecting plate 114 and / or the rear side surface 110 of the front support platform 19. It is best that the car safety belt 0 is pressed on the upper end surface 111 of the middle connecting plate 114.

[0029] At least two main support surfaces are formed on the base 11, wherein the two main support surfaces are respectively a first main support surface 13 and a second main support surface 14; at least two secondary support surfaces are formed on the auxiliary support plate 12, wherein the two secondary support surfaces are respectively a first secondary support surface 15 and a second secondary support surface 16; the auxiliary support plate 12 has at least two working states, folding and unfolding; when the auxiliary support plate 12 is folded, the first main support surface 13 and the first secondary support surface 15 constitute a first support surface, and the first support surface is used to support the car seat, and the safety seat is in a forward installation state; when the auxiliary support plate 12 is unfolded, the second main support surface 14 and the second secondary support surface 16 constitute a second support surface, and the second support surface is used to support the car seat, and the safety seat is in a reverse installation state.

[0030] Specifically, the lower end surface of the base 11 is the first main supporting surface 13, and a first transition surface inclined to both the lower end surface and the rear end surface is formed between the lower end surface and the rear end surface, and the first transition surface is the second main supporting surface 14. A flip groove 17 is provided on the lower end surface of the base 11, and the auxiliary support plate 12 is rotatably connected in the flip groove 17. When the auxiliary support plate 12 is folded, the first main supporting surface 13 and the first secondary supporting surface 15 are coplanar and form a first supporting surface. When the auxiliary support plate 12 is unfolded, the second main supporting surface 14 and the second secondary supporting surface 16 are coplanar and form a second supporting surface.

[0031] The seat cushion 10 includes a rear seat body 115 which can be folded and rotatably arranged on the base 11 and a front seat body 116 which can be folded and rotatably arranged on the rear seat body 115. A gripping groove 117 is provided on the upper end surface of the rear seat body 115 for facilitating the overall lifting of the seat cushion 10. The front seat body 116 has two states: folded and unfolded. When the seat cushion 10 is unfolded, the front seat body 116 is placed on the front support platform 19 and its upper surface is coplanar with the upper surface of the rear seat body 115. When the seat cushion 10 is folded, the front seat body 116 is folded downward and stored in the through groove 113. The folding angle of the front seat body 116 is greater than 90°, and the best angle is 180°.

[0032] The backrest 2 is rotatably arranged on the base 11, and is provided with outer guard plates 21 extending forward on both sides of the backrest 2. The front support platform 19 is provided with outer clearance grooves 118 for accommodating the outer guard plates 21. When the backrest 2 is folded down, the two outer guard plates 21 are respectively inserted into the two outer clearance grooves 118. The headrest 3 is slidably arranged on the upper part of the backrest 2, and is provided with inner guard plates 31 extending forward on both sides of the headrest 3. The front support platform 19 is provided with inner clearance grooves 119 for accommodating the inner guard plates 31. When the headrest 3 is retracted and the backrest 2 is folded down, the two inner guard plates 31 are respectively inserted into the two inner clearance grooves 119. The backrest 2 includes a backrest body 22 with a groove, a backrest cover 23 arranged in the groove and forming an insertion groove 24 with the groove, and the lower end surface of the headrest 3 is inserted into the insertion groove 24. The backrest cover plate 23 is provided with a ridge 25 for increasing the friction between the backrest 2 and the headrest 3 so as to fix the headrest 3 at a desired height. The ridge is provided on the side of the backrest cover plate 23 opposite to the backrest body 22 .

[0033] In summary, when the child safety seat is in the forward installation state, the auxiliary support plate 12 is flipped and folded around the first rotation axis 4 and stored in the flip groove 17, the first secondary support surface 15 of the auxiliary support plate 12 is set downward, the first main support surface 13 and the first secondary support surface 15 are coplanar, forming a first support surface, the first support surface is supported on the car seat, the car safety belt 0 passes through the through groove 113 and is pressed against the third transition surface 112 to fix the safety seat; when it is in the reverse installation state, the auxiliary support plate 12 is flipped out of the flip groove 17, the second secondary support surface 16 of the auxiliary support plate 12 is set downward, the auxiliary support plate 12 lifts the front end of the child safety seat, the second main support surface 14 and the second secondary support surface 16 are coplanar, forming a second support surface, the second support surface is supported on the car seat, the car safety belt 0 passes through the through groove 113 and is pressed against the second transition surface 111 It plays the role of fixing the safety seat; when the child safety seat needs to be folded up for storage, if the child safety seat is installed in reverse, the auxiliary support plate 12 needs to be folded and put into the flip groove 17 first, and the remaining steps are the same for the forward installation state and the reverse installation state. First, hold the grip groove 117 to flip the seat cushion 10 upward around the second rotation axis 5, and at the same time, flip the front seat body 116 downward around the third rotation axis 6, and then flip the seat cushion 10 downward, and store the front seat body 116 in the through groove 113. At this time, the front seat body 116 is flipped about 180° relative to the rear seat body 115, and then the head support 3 is moved down to the lowest point, and then the backrest 2 is flipped forward around the second rotation axis 5. The head support 3 is flipped and folded together with the backrest 2 until the inner guard plate 31 and the outer guard plate 21 are respectively inserted into the inner make way groove 119 and the outer make way groove 118 to complete the folding. Figure 7 As shown, when the child safety seat is folded, the head support 3 is flipped downward and its upper end face is in a vertical state and flush with the front end face of the base 1, and the backrest 2 is flipped and retracted into the rear seat body 115, and its rear end face is in a horizontal state and flush with the upper end faces of the guard plates 1151 extending upward on the left and right sides of the rear seat body 115, and is also flush with the upper end face of the rear support platform 18, and the maximum width of the backrest in the left and right directions is the same as the maximum width of the base 1 in the left and right directions, and the auxiliary support plate 12 is folded and retracted into the flip groove 17, and the folded child safety seat is roughly in a rectangular shape. To unfold, the reverse operation is sufficient.

[0034] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A child safety seat, comprising a base and a backrest connected in sequence from bottom to top, characterized in that: The base comprises a base and a seat cushion that can be folded and rotated relative to the base, the base has a through slot that runs through its left and right side walls, and the seat cushion has two states relative to the base: open and closed. When the seat cushion is closed, the seat cushion cover is arranged on the through slot, which is spliced ​​with the base, and the through slot is closed on the circumferential surface that runs through the other directions in the left and right directions. When the seat cushion is opened, the seat cushion flips away from the base, and the through slot is opened above and in the left and right directions to allow the car safety belt to enter the through slot; when the front side of the backrest is installed facing forward, it is in the forward installation state, and vice versa, it is in the reverse installation state. , the base includes a rear support platform, a front support platform and a middle connecting plate connected between the rear support platform and the front support platform, the surfaces opposite to the rear support platform and the front support platform are respectively the front side surface of the rear support platform and the rear side surface of the front support platform, the front side surface of the rear support platform, the rear side surface of the front support platform and the upper end surface of the middle connecting plate form the through groove, when in the forward installation state, the car safety belt is pressed on the front side surface of the rear support platform, and when in the reverse installation state, the car safety belt is pressed on the upper end surface of the middle connecting plate and / or the rear side surface of the front support platform; The seat cushion comprises a rear seat body which is foldable and rotatable on the base and a front seat body which is foldable and rotatable on the rear seat body, the front seat body having two states: folded and unfolded, when the front seat body is unfolded, the upper surfaces of the front seat body and the rear seat body are coplanar, the seat cushion cover is arranged on the base and straddles the through slot, when the front seat body is folded, the front seat body is folded downward and stored in the through slot; the folding angle of the front seat body is greater than 90°; The base also includes an auxiliary support plate pivotally connected to the base, at least two main support surfaces are formed on the base, wherein the two main support surfaces are respectively a first main support surface and a second main support surface, and at least two secondary support surfaces are formed on the auxiliary support plate, wherein the two secondary support surfaces are respectively a first secondary support surface and a second secondary support surface; the auxiliary support plate has at least two working states, folding and unfolding, when the auxiliary support plate is folded, the first main support surface and the first secondary support surface constitute a first support surface, and the first support surface is used to support on a car seat, and the safety seat is in a forward installation state; when the auxiliary support plate is opened, the second main support surface and the second secondary support surface constitute a second support surface, and the second support surface is used to support on a car seat, and the safety seat is in a reverse installation state.

2. The child safety seat according to claim 1, characterized in that: The rear support platform, the front support platform and the middle connecting plate are integrally formed.

3. The child safety seat according to claim 1, characterized in that: The backrest can be folded forward and backward and rotated on the base. Outer guard plates extending forward are provided on both sides of the backrest. Outer clearance grooves for accommodating the outer guard plates are opened on the front support platform. When the backrest is folded downward, the two outer guard plates are respectively inserted into the two outer clearance grooves.

4. The child safety seat according to claim 3, characterized in that: The child safety seat also includes a headrest slidably arranged on the backrest up and down, inner guard plates extending forward are provided on both sides of the headrest, and inner clearance grooves for accommodating the inner guard plates are opened on the front support platform. When the headrest is retracted and the backrest is folded down, the two inner guard plates are respectively inserted into the two inner clearance grooves.

5. The child safety seat according to claim 4, characterized in that: The child safety seat includes the forward installation state, the reverse installation state and the folded state. When the child safety seat is in the folded state, the head support is flipped downward and its upper end surface is in a vertical state and flush with the front end surface of the base. The backrest is flipped and retracted into the rear seat body. Its rear end surface is now in a horizontal state and flush with the upper end surfaces of the guard plates extending upward on the left and right sides of the rear seat body. At the same time, its rear end surface is flush with the upper end surface of the rear support platform. The maximum width of the backrest in the left and right directions is the same as the maximum width of the base in the left and right directions.

6. The child safety seat according to claim 1, characterized in that: The lower end surface of the base is the first main supporting surface, and a first transition surface inclined to both the lower end surface and the rear end surface is formed between the base, and the first transition surface is the second main supporting surface. A flip groove is provided on the lower end surface of the base, and the auxiliary support plate is rotatably connected to the flip groove. When the auxiliary support plate is folded, the first main supporting surface and the first secondary supporting surface are coplanar and form a first supporting surface. When the auxiliary support plate is unfolded, the second main supporting surface and the second secondary supporting surface are coplanar and form a second supporting surface.

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