Child car safety seat

Abstract

A child car safety seat includes a seat body, a restraint assembly and an airbag assembly. The restraint assembly includes a first connector, a second connector and a third connector, etc. The airbag assembly includes a storage seat and an airbag, etc. The child car safety seat has a first working state and a second working state. In the first working state, the child can freely enter and exit the seating space; in the second working state, the storage seat is connected to the restraint assembly through a connector to fix the child in the seating space. The airbag has a storage state and an inflated state. When the airbag is in the storage state, all the airbags are stored in the storage cavity; when the airbag is in the inflated state, part of the airbag is released from the storage cavity through a release port to cooperate with the storage seat to form effective support and protection for the child's head, shoulders and chest. The child car safety seat can protect the human body to the greatest extent, and the protection range is from the child's head to above the knees.

Description

Technical Field

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

[0002] Child car safety seats are important tools for ensuring the safety of children in cars. In order to further improve their safety performance and prevent sudden dangers, some child car safety seats are also equipped with airbag devices. The airbags can pop out at the moment of a violent collision with the car and cushion the child's body, thereby protecting the child. In the prior art, airbags are mainly set on the seat body and can pop out from one or both sides to form protection, but they fail to provide good protection for the child's chest, head and other important parts. In some designs, although the airbag is larger in size after inflation and can extend in front of the child, the fixing point of the airbag is far away from the child's upper body. Therefore, the airbag cannot provide effective support for the child's head after inflation, and the protective effect on the head and chest is poor. Summary of the invention

[0003] The purpose of the present invention is to provide a child car safety seat which can effectively protect the upper body of a child in view of the problems existing in the prior art.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A child car safety seat comprises a seat body and a restraint assembly, wherein the seat body has a seating space for a child to sit in, the restraint assembly is used to restrain the child in the seating space, the restraint assembly comprises a shoulder strap and a first connecting piece arranged on the shoulder strap, the child car safety seat also comprises an airbag assembly, the airbag assembly comprises a storage seat and an airbag, the storage seat can be arranged on the seat body so as to move relative to each other, the storage seat is detachably connected to the first connecting piece, the storage seat has a hollow storage cavity, the storage cavity has a release port, and at least part of the airbag is arranged in the storage cavity; The seat has a first working state and a second working state. When the child car safety seat is in the first working state, the storage seat is disconnected from the first connecting member; when the child car safety seat is in the second working state, the storage seat is cooperatively connected with the first connecting member, and along the front-to-back direction of the seat body, the storage seat is located in front of the shoulder strap and the first connecting member; the airbag has a storage state and an inflated state. When the airbag is in the storage state, all of the airbags are stored in the storage cavity; when the airbag is in the inflated state, at least part of the airbag is released to the outside of the storage cavity through the release port.

[0006] In some embodiments, when the child car safety seat is in the second working state, the release port is located above the storage seat, and the release port faces the front side of the seating space.

[0007] In some embodiments, the lower end portion of the storage seat is connected to the seat body in a relatively movably manner, and when the child car safety seat is in a first working state, the storage seat is located below the seating space; when the child car safety seat is in a second working state, the first connector is connected to an upper portion of the storage seat.

[0008] In some embodiments, the lower end portion of the storage seat is connected to the seat body so as to be relatively rotatable about a rotation center line, and the rotation center line extends along the width direction of the seat body.

[0009] In some embodiments, the storage seat has a first part and a second part that are fixed to each other. When the child car safety seat is in the second working state, the first part is located above the second part, the first part forms protection for the child's chest, and the second part forms protection for the child's abdomen, and the width of the first part is greater than the width of the second part.

[0010] In some embodiments, when the child car safety seat is in the second working state, the width of the second portion 312 gradually increases from bottom to top.

[0011] In some embodiments, the shoulder strap has two straps respectively arranged on the left and right sides of the seat body, each shoulder strap is provided with a first connector, the two first connectors are detachably connected, the storage seat is detachably connected to one of the first connectors, or the storage seat is detachably connected to both of the first connectors.

[0012] In some embodiments, a latch is fixedly provided on the first connecting member, and a slot is provided on the side of the storage seat facing the seating space, and when the child car safety seat is in the second working state, the latch is inserted into the slot; when the child car safety seat is in the first working state, the latch is disengaged from the slot.

[0013] In some embodiments, the restraint assembly further includes a crotch strap, a second connector and a third connector, the second connector being disposed on the shoulder strap, one end of the crotch strap being relatively movably disposed on the seat body, the other end of the crotch strap being provided with the third connector, the second connector being detachably connected to the third connector; when the child car safety seat is in a first working state, the second connector is disengaged from the third connector; when the child car safety seat is in a second working state, the second connector is coupled to the third connector, the second connector and the third connector are both located below the first connector, and the second connector and the third connector are both located behind the storage seat.

[0014] In some embodiments, a receiving cavity is provided on one side of the storage seat close to the seating space, and when the child car safety seat is in the second working state, at least part of the second connector and / or at least part of the third connector is located in the receiving cavity.

[0015] Due to the application of the above technical solution, in the child car safety seat provided by the present invention, when the child is sitting in the riding space and restrained by the restraint component, the storage seat can be fixedly connected to the child's chest by the first connecting member and form stable protection. At this time, if an emergency occurs and the airbag is converted to an inflated state, the airbag can form good protection for the child's chest and head. The airbag and the storage seat are not easy to tilt forward significantly due to inertia, but can always be closely protected in front of the child's chest, so that the child car safety seat has higher safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0017] Attached Figure 1 It is a three-dimensional schematic diagram of a child car safety seat in a specific embodiment of the present invention;

[0018] Attached Figure 2 for Figure 1 A schematic diagram of a front view of a child car safety seat;

[0019] Attached Figure 3 for Figure 2 Middle AA section view;

[0020] Attached Figure 4 It is a three-dimensional schematic diagram of the child car safety seat in the second working state and the airbag in the storage state in this embodiment;

[0021] Attached Figure 5 for Figure 4A schematic diagram of a front view of a child car safety seat;

[0022] Attached Figure 6 for Figure 5 BB cutaway diagram;

[0023] Attached Figure 7 It is a three-dimensional schematic diagram of the child car safety seat in the second working state and the airbag in the inflated state in this embodiment;

[0024] Attached Figure 8 for Figure 7 A schematic diagram of a front view of a child car safety seat;

[0025] Attached Fig. 9 for Figure 8 Schematic diagram of CC section view.

[0026] Among them: 100, seat body; 110, backrest; 120, seat; 130, headrest; 140, base; 101, riding space;

[0027] 200, restraint assembly; 210, shoulder strap; 211, first connecting member; 220, crotch strap; 221, third connecting member; 230, waist belt;

[0028] 300, airbag assembly; 310, storage seat; 311, first part; 312, second part; 313, release port; 314, accommodating cavity; 315, storage cavity; 320, airbag; 1001, rotation center line; 1, latch; 2, slot; 3, child model. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art.

[0030] See also Figures 1 to 3As shown, a child car safety seat includes a seat body 100 and a restraint assembly 200, wherein the seat body 100 has a seating space 101 for children to sit on, and the restraint assembly 200 is used to restrain the child in the seating space 101. In this embodiment, the seat body 100 specifically includes a backrest 110, a seat 120, a head support 130 and a base 140, wherein the base 140 can be fixedly mounted on the car seat, the backrest 110 and the seat 120 are both arranged on the base 140, and the backrest 110 is arranged behind the seat 120, and the head support 130 is arranged above the backrest 110, and the backrest 110, the seat 120 and the head support 130 together enclose the above-mentioned seating space 101. In this embodiment, the head support 130 can be raised and lowered relative to the backrest 110, suitable for children of different heights to sit on. In this embodiment, a sensor (not shown in the figure) is also provided on the seat body 100, and the sensor can quickly detect and transmit the impact pressure signal received by the seat body 100.

[0031] It should be noted that in this embodiment, each of the drawings uses a child model 3 to demonstrate the riding situation of a real child, and the child model 3 and the real child are not specifically distinguished in the following description. Figure 1 The child safety seat is defined as the orientation as viewed by a child normally seated in the child car safety seat.

[0032] See also Figures 1 to 3 As shown, in this embodiment, the restraint assembly 200 specifically adopts the structure of a five-point safety belt, and the restraint assembly 200 includes a shoulder belt 210, a crotch belt 220, and a waist belt 230. Among them, the shoulder belt 210 has two straps arranged on the left and right sides of the backrest 110, the waist belt 230 has two straps arranged on the left and right sides of the seat 120, and the crotch belt 220 has one strap arranged in the middle of the seat 120. In this way, the five-point safety belt covers the main parts of the child's torso, which can minimize the accumulation of force and avoid greater injuries.

[0033] See also Figures 1 to 3As shown, in this embodiment, the restraint assembly 200 further includes a first connecting member 211, a second connecting member (not shown in the figure) and a third connecting member 221. Among them, there are two first connecting members 211 on the left and right, and each shoulder strap 210 on each side is provided with a first connecting member 211. The two first connecting members 211 are detachably connected to each other, so that the two shoulder straps 210 are relatively fixed, and one of the first connecting members 211 is also fixed with a pin 1 protruding forward. In this embodiment, the shoulder strap 210 and the waist belt 230 on the same side are actually the same safety belt set as one body, and a second connecting member is provided at the junction of the shoulder strap 210 and the waist belt 230 on each side. One end of the crotch belt 220 can be relatively movably arranged on the seat 120, and the other end of the crotch belt 220 is provided with a third connecting member 221. The two second connecting members can be detachably connected to the third connecting member 221, respectively, so as to realize the opening and closing of the five-point safety belt.

[0034] In this embodiment, the child car safety seat has a first working state and a second working state. When the child car safety seat is in the first working state (not shown), the two second connecting members are disconnected from the third connecting member 221, and the two first connecting members 211 are also disconnected. At this time, the seating space 101 is open, and the child can freely enter and exit the seating space 101. Figures 4 to 6 As shown, when the child car safety seat is in the second working state, the two second connecting members are respectively connected with the third connecting member 221, and the two first connecting members 211 are also connected with each other. At this time, the restraint assembly 200 can firmly restrain the child in the seating space 101, and the two first connecting members 211 connected with each other can limit the two shoulder straps 210 to the child's shoulders to prevent the shoulder straps 210 from slipping on the child and losing the protective effect.

[0035] See also Figures 7 to 9 As shown, the child car safety seat also includes an airbag assembly 300, which includes a storage seat 310, an airbag 320 and a gas generating device (not shown in the figure). Among them, the storage seat 310 has a first part 311 and a second part 312 fixed to each other, and the storage seat 310 has a hollow storage cavity 315, and the storage cavity 315 has a release port 313. The gas generating device and at least part of the airbag 320 are arranged in the storage cavity 315. A storage cavity 314 and a slot 2 are provided on one side of the storage seat 310 close to the seating space 101. In this embodiment, the first part 311 and the second part 312 are specifically provided as an integral whole, and the accommodating cavity 314 is provided on the second part 312, and the accommodating cavity 314 penetrates the second part 312 along the thickness direction of the second part 312. When the child car safety seat is in the second working state, the release port 313 and the slot 2 are both located at the upper part of the first part 311, and the release port 313 is located at the front side of the slot 2.

[0036] See also Figure 6 and Fig. 9 As shown, the storage seat 310 is detachably connected to one of the first connectors 211, or the storage seat 310 is detachably connected to both of the first connectors 211. In this embodiment, the storage seat 310 is detachably connected to one of the first connectors 211, specifically, the latch 1 on the first connector 211 can be inserted into the slot 2 of the first part 311 in a shape-fitting manner, so that the upper part of the storage seat 310 is fixed on the chest of the child.

[0037] See also Figure 3 and Figure 6 As shown, the storage seat 310 can be relatively movably arranged on the seat body 100. In this embodiment, specifically, the lower end of the storage seat 310 can be relatively rotatably connected to the seat body 100 around the rotation center line 1001, and the rotation center line 1001 extends along the width direction of the seat body 100. The lower end of the storage seat 310 is specifically connected to the front of the seat 120, and the connection position of the storage seat 310 and the seat 120 and the connection position of the crotch belt 220 and the seat 120 are close to or overlap each other. In this embodiment, the storage seat 310 extends along the width direction of the seat body 100 to a width that does not exceed the seating space 101, and the storage seat 310 and the seat body 100 can be connected by a rigid rod or a flexible belt, and are easy to disassemble and replace.

[0038] See also Figures 4 to 9 As shown, the airbag 320 has a storage state and an inflated state. When the airbag 320 is in the storage state, the airbag 320 is stored in the storage cavity 315 and does not occupy external space; when the airbag 320 is in the inflated state, at least part of the airbag 320 is released to the outside of the storage cavity 315 through the release port 313. In this embodiment, the gas generating device in the storage cavity 315 is connected to the airbag 320 and is connected to the sensor signal on the seat body 100. When the sensor detects that the seat body 100 is subjected to an impact pressure exceeding a preset value, the gas generating device receives an instruction and quickly inflates the airbag 320, so that the airbag 320 is changed from the storage state to the inflated state, providing pressure buffering for children in the riding space 101. In this embodiment, the airbag 320 is released from the release port 313, as shown in FIG. Figure 7 As shown, after the airbag 320 is released, it is located in front of the seating space 101 and above the first portion 311 of the storage seat 310. Furthermore, after the airbag 320 is released, its width is greater than the child's shoulders, and it can cover most or all of the child's head, shoulders and chest, thus providing comprehensive protection. Figures 1 to 3As shown, in this embodiment, when the child car safety seat is in the first working state, the storage seat 310 is disconnected from the first connecting member 211, and the pin 1 is disengaged from the slot 2. At this time, the storage seat 310 is located below the riding space 101 and will not hinder the opening of the riding space 101. The child can freely enter and exit the riding space 101.

[0039] See also Figures 4 to 6 As shown, when the child car safety seat is in the second working state, the latch 1 is inserted into the slot 2 to fix the first connector 211 to the first part 311 of the storage seat 310. At this time, the storage seat 310 is located at the front side of the riding space 101, and the storage seat 310 is located in front of the shoulder strap 210 and the first connector 211, and the release port 313 is located above the storage seat 310 and faces the front side of the riding space 101. In this embodiment, when the child car safety seat is in the second working state, the first part 311 is located above the second part 312, the width of the first part 311 is greater than the width of the second part 312, and the width of the second part 312 gradually increases from bottom to top, and the storage seat 310 is fan-shaped as a whole with smooth edges. At this time, the height of the first part 311 is close to the child's shoulders, and the second part 312 is located in front of the child's abdomen, so that the first part 311 forms a protection for the child's chest, and the second part 312 forms a protection for the child's abdomen.

[0040] See also Figures 4 to 9 As shown, when the child car safety seat is in the second working state, the second connector and the third connector 221 are both located below the first connector 211, and the second connector and the third connector 221 are both located behind the storage seat 310. Further, the second connector and the third connector 221 are located above the waist belt 230. At this time, at least part of the second connector and / or at least part of the third connector 221 are located in the accommodating cavity 314. In this embodiment, when the child car safety seat is in the second working state, the accommodating cavity 314 is located in front of the child's waist and abdomen, and part of the third connector 221 is inserted in the accommodating cavity 314, which not only further forms a limit for the storage seat 310, but also makes the storage seat 310 and the restraint assembly 200 cooperate more closely, so that the storage seat 310 can be fitted and protected in front of the child, and the parent can operate the third connector 221 through the accommodating cavity 314.

[0041] See also Figures 4 to 6 As shown, when the car is driving normally, the child car safety seat is in the second working state and the airbag 320 is in the storage state. At this time, the restraint assembly 200 and the storage seat 310 can effectively fix the child, reduce the impact of the car's inertia on the child, and provide regular protection for the child's chest and abdomen.

[0042] See also Figures 7 to 9As shown, when an emergency situation such as a car collision occurs, the child car safety seat is in the second working state and the airbag 320 is quickly converted to an inflated state. At this time, the airbag 320 can fully protect the key parts of the child such as the head, shoulders and chest, and the first connecting piece 211 can be linked and locked with the storage seat 310 to form a whole, which plays a supporting role when the airbag 320 is deployed, ensuring the protective effect of the airbag 320.

[0043] Due to the application of the above technical solutions, the child car safety seat provided in this embodiment, the restraint assembly 200 and the airbag assembly 300 can be detachably fixed, ensuring that the airbag 320 can provide all-round protection in front of the child after it pops out. Furthermore, the storage seat 310 and the airbag 320 cooperate with each other to effectively support and protect the child's head, shoulders and chest, thereby achieving the purpose of protecting the child's safety to the greatest extent.

[0044] 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 this technology to understand the content of the present invention and implement it. 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 car safety seat, comprising a seat body and a restraint assembly, wherein the seat body has a seating space for a child to sit in, the restraint assembly is used to restrain the child in the seating space, the restraint assembly comprises a shoulder strap and a first connector disposed on the shoulder strap, characterized in that: The child car safety seat further comprises an airbag assembly, the airbag assembly comprising a storage seat and an airbag, the lower end of the storage seat being connected to the seat body so as to be relatively rotatable about a rotation center line, the rotation center line extending along the width direction of the seat body, the storage seat being detachably connected to the first connecting member, the storage seat having a hollow storage cavity, the storage cavity having a release port, and at least a portion of the airbag being disposed in the storage cavity; The child car safety seat has a first working state and a second working state. When the child car safety seat is in the first working state, the storage seat is disconnected from the first connecting member; when the child car safety seat is in the second working state, the storage seat is connected with the first connecting member, and along the front-to-back direction of the seat body, the storage seat is located in front of the shoulder strap and the first connecting member. The airbag has a storage state and an inflated state. When the airbag is in the storage state, all of the airbags are stored in the storage cavity. When the airbag is in the inflated state, at least part of the airbag is released outside the storage cavity through the release port. The lower end of the storage seat is connected to the seat body in a relatively movable manner, and when the child car safety seat is in a first working state, the storage seat is located below the seating space; when the child car safety seat is in a second working state, the first connector is connected to the upper portion of the storage seat; The shoulder straps have two straps disposed on the left and right sides of the seat body, each shoulder strap is provided with a first connector, the two first connectors are detachably connected, the storage seat is detachably connected to one of the first connectors, or the storage seat is detachably connected to both of the first connectors. The restraint assembly further includes a crotch strap, a second connecting member and a third connecting member, wherein the second connecting member is arranged on the shoulder strap, one end of the crotch strap is relatively movably arranged on the seat body, the other end of the crotch strap is provided with the third connecting member, and the second connecting member is detachably connected to the third connecting member; A receiving cavity is provided on one side of the storage seat close to the seating space, and when the child car safety seat is in a first working state, the second connecting member is disengaged from the third connecting member; when the child car safety seat is in a second working state, the second connecting member is connected with the third connecting member, and the second connecting member and the third connecting member are both located below the first connecting member, and at least a portion of the second connecting member and / or at least a portion of the third connecting member is located in the receiving cavity; When a child sits in the seating space and is restrained by the restraint assembly, the storage seat can be fixedly connected to the chest of the child by the first connecting member to form a stable protection.

2. The child car safety seat according to claim 1, characterized in that: When the child car safety seat is in the second working state, the release port is located above the storage seat, and the release port faces the front side of the seating space.

3. The child car safety seat according to claim 1, characterized in that: The storage seat has a first part and a second part which are fixed to each other. When the child car safety seat is in the second working state, the first part is located above the second part. The first part forms protection for the child's chest, and the second part forms protection for the child's abdomen. The width of the first part is greater than the width of the second part.

4. The child car safety seat according to claim 3, characterized in that: When the child car safety seat is in the second working state, the width of the second portion gradually increases from bottom to top.

5. The child car safety seat according to claim 1, characterized in that: A latch is fixedly provided on the first connecting member, and a slot is provided on the side of the storage seat facing the seating space. When the child car safety seat is in the second working state, the latch is inserted into the slot; when the child car safety seat is in the first working state, the latch is disengaged from the slot.

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