Child safety seat and synchronous adjustment structure of headrest and shoulder safety belt thereof

Abstract

The present invention relates to a child safety seat and a synchronous adjustment structure of a headrest and a shoulder safety belt thereof, the structure comprising: a mounting seat fixedly arranged at the bottom of a headrest rod and located in a backrest frame of the child safety seat, the mounting seat being connected to a gear structure for the shoulder safety belt to pass through; and an adjustment mechanism connected to the mounting seat and for driving the mounting seat to move up and down, the adjustment mechanism being arranged in the backrest frame, and the mounting seat being driven to move up and down by the adjustment mechanism to achieve synchronous adjustment of the headrest and the shoulder safety belt. The present invention fixes the headrest and the shoulder safety belt together, and adjusts the headrest and the shoulder safety belt simultaneously through the adjustment mechanism, so that the headrest and the shoulder safety belt can fully fit the child's body shape, and also eliminates the operation process of users disassembling and assembling the safety belt by themselves, simplifies the shifting operation, and reduces misoperation.

Description

Technical Field

[0001] The invention relates to the structural field of child seats, in particular to a child safety seat and a synchronous adjustment structure of a headrest and a shoulder safety belt thereof. Background Art

[0002] With the popularization of cars and people paying more and more attention to the safety of children in cars, car child safety seats are getting more and more attention. Car child safety seats play an important role in reducing the casualties of children in collision accidents.

[0003] Most of the child safety seats on the market are inconvenient to use, the headrest is difficult to adjust, and the shoulder belt is cumbersome to change and prone to misoperation. When used incorrectly, the child safety seat not only fails to provide reliable protection, but may even cause greater harm. Summary of the invention

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a child safety seat and a synchronous adjustment structure of the headrest and shoulder belt thereof, so as to solve the problems that the headrest in the existing child safety seat is inconvenient to adjust and the shoulder belt is cumbersome to shift and prone to misoperation, which may cause greater harm.

[0005] The technical solution to achieve the above purpose is:

[0006] The present invention provides a synchronous adjustment structure of a headrest and a shoulder safety belt of a child safety seat, comprising:

[0007] A mounting seat fixedly mounted at the bottom of the headrest rod and located in the backrest frame of the child safety seat, the mounting seat being connected to a stop structure for the shoulder safety belt to pass through; and

[0008] An adjusting mechanism connected to the mounting seat and used for driving the mounting seat to move up and down, the adjusting mechanism is installed in the backrest frame, and the mounting seat is driven to move up and down by the adjusting mechanism to achieve synchronous adjustment of the headrest and the shoulder safety belt.

[0009] The present invention fixes the headrest and the shoulder safety belt together, and adjusts the headrest and the shoulder safety belt simultaneously through an adjustment mechanism, so that the headrest and the shoulder safety belt can completely fit the child's body shape. The use of the adjustment mechanism to adjust the headrest and the shoulder safety belt at the same time eliminates the user's need to disassemble and install the safety belt by themselves, simplifies the shifting operation, and reduces misoperation. The adjustment accuracy of the adjustment mechanism is greater than the adjustment accuracy of the existing shoulder safety belt shifting structure. The adjustment mechanism of the present invention can be adjusted to any position, which is more convenient, comfortable and user-friendly. While improving the user experience, the safety, reliability and comfort of the child safety seat are further improved.

[0010] A further improvement of the synchronous adjustment structure of the headrest and shoulder belt of the child safety seat of the present invention is that the adjustment mechanism includes a threaded hole opened on the mounting seat and a screw threadedly connected to the threaded hole, the screw is vertically arranged in the backrest frame, and the top of the screw extends out of the top plate of the backrest frame and a knob is provided on the top plate, and the screw is rotated by rotating the knob to make the mounting seat move up and down along the screw for adjustment.

[0011] A further improvement of the synchronous adjustment structure of the headrest and shoulder belt of the child safety seat of the present invention is that a groove for accommodating the end of the lead screw is provided on the bottom plate of the backrest frame corresponding to the lead screw.

[0012] A further improvement of the synchronous adjustment structure of the headrest and shoulder belt of the child safety seat of the present invention is that a sleeve is fixedly provided on the bottom plate of the backrest frame, the receiving groove is formed inside the sleeve, and the diameter of the sleeve is matched with the diameter of the bottom of the screw.

[0013] A further improvement of the synchronous adjustment structure of the headrest and shoulder belt of the child safety seat of the present invention is that the adjustment mechanism includes a push rod motor vertically connected to the mounting seat, and the mounting seat is driven to move up and down for adjustment by the push rod motor.

[0014] A further improvement of the synchronous adjustment structure of the headrest and shoulder belt of the child safety seat of the present invention is that the adjustment mechanism also includes a through hole opened on the mounting seat and a guide rod passing through the through hole, and the guide rod is vertically arranged in the backrest frame, and the moving direction of the mounting seat is limited by the guide rod.

[0015] A further improvement of the synchronous adjustment structure of the headrest and the shoulder safety belt of the child safety seat of the present invention lies in that the shift structure comprises a U-shaped steel wire fixedly arranged on the mounting seat.

[0016] The present invention also provides a child safety seat, comprising:

[0017] A seat frame, including a seat cushion frame and a backrest frame connected vertically;

[0018] A headrest mounted on the backrest frame, wherein the bottom of the headrest is connected to a headrest rod, and the headrest rod passes through a top plate at the top of the backrest frame and is placed inside the backrest frame;

[0019] A mounting seat fixedly arranged at the bottom of the headrest rod and located in the backrest frame of the child safety seat, wherein the mounting seat is connected to a stop structure for the shoulder safety belt to pass through;

[0020] A shoulder safety belt, the top of which is located inside the backrest frame and bypasses the stop structure to extend out of the backrest frame to form an exposed portion; and

[0021] An adjusting mechanism connected to the mounting seat and used for driving the mounting seat to move up and down, the adjusting mechanism is installed in the backrest frame, and the mounting seat is driven to move up and down by the adjusting mechanism to achieve synchronous adjustment of the headrest and the shoulder safety belt.

[0022] A further improvement of the child safety seat of the present invention is that the adjustment mechanism includes a threaded hole opened on the mounting seat and a screw threadedly connected to the threaded hole, the screw is vertically arranged in the backrest frame, and the top of the screw extends out of the top plate of the backrest frame and a knob is provided on the top plate, and the screw is rotated by rotating the knob, thereby causing the mounting seat to move up and down along the screw for adjustment.

[0023] A further improvement of the child safety seat of the present invention is that the adjustment mechanism includes a push rod motor vertically connected to the mounting seat, and the mounting seat is driven to move up and down for adjustment by the push rod motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of a first embodiment of a child safety seat and a synchronous adjustment structure of a headrest and a shoulder safety belt thereof according to the present invention.

[0025] Figure 2 It is a partially enlarged schematic diagram of a first embodiment of a child safety seat and a synchronous adjustment structure of a headrest and a shoulder safety belt thereof according to the present invention.

[0026] Figure 3 for Figure 2 Front view of the structure shown.

[0027] Figure 4 It is a structural schematic diagram of a second embodiment of a child safety seat and a synchronous adjustment structure of a headrest and a shoulder safety belt thereof according to the present invention.

[0028] Figure 5 for Figure 4 A schematic diagram of the structure in which a guide rod is added in the embodiment shown. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] See also Figure 1The present invention provides a child safety seat and a synchronous adjustment structure of its headrest and shoulder belt, which are used to solve the problems of inconvenient adjustment of the headrest, cumbersome shifting of the shoulder belt and easy misoperation in the existing child safety seats. The present invention connects the gear structure of the headrest and the shoulder belt through a mounting seat, so that the height of the headrest and the shoulder belt can be adjusted at the same time, which can fully fit the child's body shape, eliminating the user's operation process of disassembling and installing the seat belt by themselves, simplifying the shifting operation, and reducing the probability of misoperation. While improving the user experience, the safety, reliability and comfort of the child safety seat are further improved. The child safety seat and the synchronous adjustment structure of its headrest and shoulder belt of the present invention are described below in conjunction with the accompanying drawings.

[0031] See also Figure 1 , showing a schematic structural diagram of a first embodiment of a child safety seat and a synchronous adjustment structure of a headrest and a shoulder safety belt of the present invention. Figure 2 , showing a partial enlarged schematic diagram of a first embodiment of the synchronous adjustment structure of the child safety seat and the headrest and shoulder safety belt of the present invention. Figure 1 and Figure 2 , the synchronous adjustment structure of the headrest and the shoulder belt of the child safety seat of the present invention is described.

[0032] like Figure 1 and Figure 2 As shown, the synchronous adjustment structure 24 of the headrest and shoulder belt of the child safety seat of the present invention includes a mounting seat 241 and an adjustment mechanism 242. The mounting seat 241 is fixedly arranged at the bottom of the headrest rod 221 and is located in the backrest frame 212 of the child safety seat 20. A stop structure 2411 for the shoulder belt 23 to pass through is connected to the mounting seat 241, and the height of the shoulder belt 23 is positioned by the stop structure 2411; the adjustment mechanism 242 is connected to the mounting seat 241 to drive the mounting seat 241 to move up and down. The adjustment mechanism 242 is installed in the backrest frame 212, and the mounting seat 241 is driven to move up and down by the adjustment mechanism 242, thereby realizing the synchronous adjustment of the headrest 22 and the shoulder belt 23.

[0033] When the adjustment mechanism 242 drives the mounting seat 241 to move upward, the mounting seat 241 drives the headrest rod 221 to move upward, so that the headrest rod 221 protrudes toward the outside of the backrest frame 212, thereby achieving the height adjustment of the headrest 22. The upward movement of the mounting seat 241 also increases the height of the stop structure 2411, thereby causing the shoulder safety belt 23 to be synchronously raised. When the adjustment mechanism 242 drives the mounting seat 241 to move downward, the mounting seat 241 drives the headrest rod 221 to move downward, so that the headrest rod 221 extends into the inside of the backrest frame 212, thereby achieving the lowering of the headrest 22. The downward movement of the mounting seat 241 causes the height of the stop structure 2411 to be lowered, thereby causing the shoulder safety belt 23 to be synchronously lowered.

[0034] The present invention fixes the headrest rod 221 of the headrest 22 and the shift structure 2411 of the shoulder safety belt 23 together through the mounting seat 241, so that the mounting seat 241 is driven to move up and down by the adjustment mechanism 242, thereby realizing synchronous adjustment of the headrest 22 and the shoulder safety belt 23.

[0035] In the first embodiment of the present invention, Figures 1 to 3 As shown, the adjustment mechanism 242 includes a threaded hole opened on the mounting seat 241 and a screw 2421 screwed with the threaded hole. The screw 2421 is vertically arranged in the backrest frame 212, and the top of the screw 2421 extends out of the top plate 2121 of the backrest frame 212 and a knob 2422 is provided on the top plate 2121. By rotating the knob 2422, the screw 2421 is rotated, and the mounting seat 241 is moved up and down along the screw 2421 for adjustment. The adjustment process of the adjustment mechanism 242 is as follows: rotating the knob 2422 clockwise drives the lead screw 2421 to rotate clockwise together, and the mounting seat 241 moves downward along the lead screw 2421, thereby moving the headrest 22 and the shoulder safety belt 23 downward together, and stopping the operation of the knob 2422 after the adjustment is in place; rotating the knob 2422 counterclockwise drives the lead screw 2421 to rotate counterclockwise together, and the mounting seat 241 moves upward along the lead screw 2421, thereby moving the headrest 22 and the shoulder safety belt 23 upward together, and stopping the operation of the knob 2422 after the adjustment is in place. Of course, the adjustment direction of the adjustment mechanism 242 is not limited to this, and it can also be designed that when the lead screw 2421 is rotated clockwise, the mounting seat 241 moves upward, and when the lead screw 2421 is rotated counterclockwise, the mounting seat 241 moves downward.

[0036] The screw connection of the lead screw and the threaded hole is used to realize the simultaneous adjustment of the headrest and the shoulder belt, so that the adjustment accuracy is high. The headrest and the shoulder belt can be adjusted to any position without being limited to the gear position in the gear adjustment, making the child safety seat more convenient, comfortable and humane.

[0037] Preferably, a protrusion is fixed on the back of the mounting seat 241, and a threaded hole is opened on the protrusion. The screw 2421 passes through the top plate 2121 of the backrest frame 212 and is screwed into the threaded hole on the protrusion. After the protrusion is located at the set position of the screw 2421, the bottom of the screw 2421 is abutted against the bottom plate 2122 of the backrest frame 212, so that the screw 2421 can rotate freely.

[0038] As a preferred embodiment of the present invention, a groove for accommodating the end of the lead screw 2421 is provided on the bottom plate of the backrest frame 212 corresponding to the lead screw 2421. The end of the lead screw 2421 is accommodated by the groove, so that the lead screw 2421 can rotate freely in the groove, and the groove also serves as a limit for the lead screw 2421.

[0039] Preferably, if Figure 1 As shown, a sleeve 2123 is fixedly arranged on the bottom plate 2122 of the backrest frame 212 corresponding to the lead screw 2421, and a groove is formed inside the sleeve 2123, and the diameter of the sleeve 2123 is adapted to the diameter of the bottom of the lead screw 2421. When installing the lead screw 2421, after the lead screw 2421 passes through the top plate 2121 and is screwed into the threaded hole on the mounting seat 241, the bottom of the lead screw 2421 is inserted into the sleeve 2123, so that the lead screw 2421 is vertically arranged between the top plate 2121 and the bottom plate 2122 of the backrest frame 212. The cooperation between the lead screw 2421 and the threaded hole realizes the synchronous adjustment of the headrest and the shoulder safety belt, and the lead screw 2421 also plays a guiding role, so that the headrest and the shoulder safety belt can only be adjusted up and down along the direction in which the lead screw 2421 is set.

[0040] In a second embodiment of the present invention, Figure 4 As shown, the adjustment mechanism 242 includes a push rod motor 2423 vertically connected to the mounting seat 241, and the push rod motor 2421 drives the mounting seat 241 to move up and down. The push rod motor 2423 is fixed on the bottom plate 2122 of the backrest frame 212, and the push rod of the push rod motor 2423 is vertically connected to the mounting seat 241, and the mounting seat 241 is driven to move up and down by the push rod motor 2423.

[0041] Preferably, a convex block is fixed on the back of the mounting seat 241, and the push rod of the push rod motor 2423 is vertically connected to the convex block, so that the push rod motor 2423 drives the mounting seat 241 to move up and down. The operation button of the push rod motor 2423 is set on the surface of the child mounting seat 20 to facilitate user operation.

[0042] As a preferred embodiment of the present invention, Figure 5As shown, the adjustment mechanism 242 also includes a through hole opened on the mounting seat 241 and a guide rod 2424 passing through the through hole, and the guide rod 2424 is vertically arranged in the backrest frame 212, and the moving direction of the mounting seat 241 is limited by the guide rod 2424. Preferably, the guide rod 2424 is vertically supported between the top plate 2121 and the bottom plate 2122 of the backrest frame 212, and the guide rod 2424 plays a guiding role, so that the headrest and the shoulder safety belt can only be adjusted up and down along the direction set by the guide rod 2424.

[0043] As another preferred embodiment of the present invention, Figure 2 and Figure 3 As shown, the shifting structure 2411 of the present invention includes a U-shaped steel wire fixed on the mounting seat 241, the open end of the U-shaped steel wire is fixed to the side of the mounting seat 241, a top gap for the shoulder safety belt 23 to pass through is reserved between the wing rod at the top of the U-shaped steel wire and a partition of the mounting seat 241, a bottom gap for the shoulder safety belt 23 to pass through is reserved between the wing rod at the bottom of the U-shaped steel wire and the bottom of the mounting seat 241, the top of the portion of the shoulder safety belt 23 located in the backrest frame 212 passes through the bottom gap and then through the top gap, thereby bypassing the U-shaped steel wire and extending out from the backrest frame 212 to form an exposed portion.

[0044] The headrest rod 221 fixed at the bottom of the headrest 22 passes through the top plate 2121 of the backrest frame 212 and is fixedly connected to the top of the mounting seat 241 .

[0045] The present invention also provides a child safety seat, which is described below.

[0046] like Figure 1As shown, the child safety seat 20 includes a seat frame 21, a headrest 22, a shoulder safety belt 23, and a synchronous adjustment structure 24. The seat frame 21 includes a cushion frame 211 and a backrest frame 212 that are vertically connected; the headrest 22 is mounted on the backrest frame 212, and the bottom of the headrest 22 is connected to a headrest rod 221, which passes through a top plate 2121 on the top of the backrest frame 212 and is placed in the backrest frame 212; the synchronous adjustment structure 24 includes a mounting seat 241 and an adjustment mechanism 242, the mounting seat 241 is fixed at the bottom of the headrest rod 221, and the mounting seat 241 is located at the child safety seat 20. Inside the backrest frame 212 of the full seat 20, the mounting seat 241 is connected to a shift structure 2411 for the shoulder belt 23 to pass through, and the top of the shoulder belt 23 located inside the backrest frame 212 bypasses the shift structure 2411 and extends out from the backrest frame 211 to form an exposed portion; an adjustment mechanism 242 is connected to the mounting seat 241, and the adjustment mechanism 242 is used to drive the mounting seat 241 to move up and down for adjustment. The adjustment mechanism 242 is installed in the backrest frame 212, and the mounting seat 241 is driven to move up and down by the adjustment mechanism 242, thereby realizing synchronous adjustment of the headrest 22 and the shoulder belt 23.

[0047] When the adjustment mechanism 242 drives the mounting seat 241 to move upward, the mounting seat 241 drives the headrest rod 221 to move upward, so that the headrest rod 221 protrudes toward the outside of the backrest frame 212, thereby achieving the height adjustment of the headrest 22. The upward movement of the mounting seat 241 also increases the height of the stop structure 2411, thereby causing the shoulder safety belt 23 to be synchronously raised. When the adjustment mechanism 242 drives the mounting seat 241 to move downward, the mounting seat 241 drives the headrest rod 221 to move downward, so that the headrest rod 221 extends into the inside of the backrest frame 212, thereby achieving the lowering of the headrest 22. The downward movement of the mounting seat 241 causes the height of the stop structure 2411 to be lowered, thereby causing the shoulder safety belt 23 to be synchronously lowered.

[0048] In the first embodiment, if Figures 1 to 3 As shown, the adjustment mechanism 242 includes a threaded hole opened on the mounting seat 241 and a screw 2421 screwed with the threaded hole. The screw 2421 is vertically arranged in the backrest frame 212, and the top of the screw 2421 extends out of the top plate 2121 of the backrest frame 212 and a knob 2422 is provided on the top plate 2121. By rotating the knob 2422, the screw 2421 is rotated, and the mounting seat 241 is moved up and down along the screw 2421 for adjustment.

[0049] In the second embodiment, if Figure 4As shown, the adjustment mechanism 242 includes a push rod motor 2423 vertically connected to the mounting seat 241, and the push rod motor 2421 drives the mounting seat 241 to move up and down. The push rod motor 2423 is fixed on the bottom plate 2122 of the backrest frame 212, and the push rod of the push rod motor 2423 is vertically connected to the mounting seat 241, and the mounting seat 241 is driven to move up and down by the push rod motor 2423.

[0050] The specific structure of the synchronous adjustment structure 24 in the child safety seat 20 of the present invention is the same as the structure of the synchronous adjustment structure 24 of the headrest and shoulder belt of the child safety seat mentioned above. The specific structure of the synchronous adjustment structure 24 mentioned above can be referred to, and it will not be repeated here.

[0051] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A synchronous adjustment structure of a headrest and a shoulder belt of a child safety seat, characterized in that: include: A mounting seat fixedly arranged at the bottom of the headrest rod and located in the backrest frame of the child safety seat, wherein the mounting seat is connected to a stop structure for the shoulder safety belt to pass through; as well as An adjustment mechanism connected to the mounting seat and used to drive the mounting seat to move up and down, the adjustment mechanism is installed in the backrest frame, and the mounting seat is driven to move up and down by the adjustment mechanism to achieve synchronous adjustment of the headrest and the shoulder safety belt; A headrest rod fixed at the bottom of the headrest passes through the top plate of the backrest frame and is fixedly connected to the top of the mounting seat; The mounting seat is arranged between the top plate and the bottom plate of the backrest frame; a convex block is fixedly arranged on the back of the mounting seat, and the adjustment mechanism is connected with the convex block to drive the convex block to move up and down; The shift structure includes a U-shaped steel wire fixed to the mounting seat, the open end of the U-shaped steel wire is fixed to the side of the mounting seat, a top gap for the shoulder safety belt to pass through is reserved between the wing rod at the top of the U-shaped steel wire and the partition of the mounting seat, a bottom gap for the shoulder safety belt to pass through is reserved between the wing rod at the bottom of the U-shaped steel wire and the bottom of the mounting seat, the top of the shoulder safety belt located in the backrest frame passes through the bottom gap and then passes through the top gap, thereby bypassing the U-shaped steel wire and extending out of the backrest frame to form an exposed portion; The adjustment mechanism includes a threaded hole opened on the mounting seat and a lead screw threadedly connected to the threaded hole. The lead screw is vertically arranged in the backrest frame, and the top of the lead screw extends out of the top plate of the backrest frame and a knob is provided on the top plate. By rotating the knob, the lead screw rotates and the mounting seat is moved up and down along the lead screw for adjustment.

2. The synchronous adjustment structure of the headrest and shoulder belt of the child safety seat as claimed in claim 1, characterized in that: A receiving groove for accommodating the end of the lead screw is provided on the bottom plate of the backrest frame corresponding to the lead screw.

3. The synchronous adjustment structure of the headrest and shoulder belt of the child safety seat as claimed in claim 2, characterized in that: A sleeve is fixedly arranged on the bottom plate of the backrest frame, the receiving groove is formed inside the sleeve, and the diameter of the sleeve is matched with the diameter of the bottom of the lead screw.

4. The synchronous adjustment structure of the headrest and shoulder belt of the child safety seat as claimed in claim 1, characterized in that: The adjustment mechanism comprises a push rod motor vertically connected to the mounting seat, and the push rod motor drives the mounting seat to move up and down for adjustment.

5. The synchronous adjustment structure of the headrest and shoulder belt of the child safety seat as claimed in claim 4, characterized in that: The adjustment mechanism also includes a through hole formed on the mounting seat and a guide rod passing through the through hole. The guide rod is vertically arranged in the backrest frame, and the moving direction of the mounting seat is limited by the guide rod.

6. A child safety seat, characterized in that: include: A seat frame, including a seat cushion frame and a backrest frame connected vertically; A headrest mounted on the backrest frame, wherein the bottom of the headrest is connected to a headrest rod, and the headrest rod passes through a top plate at the top of the backrest frame and is placed inside the backrest frame; A mounting seat fixedly arranged at the bottom of the headrest rod and located in the backrest frame of the child safety seat, wherein the mounting seat is connected to a stop structure for the shoulder safety belt to pass through; The top of the shoulder safety belt located in the backrest frame bypasses the stop structure and extends out of the backrest frame to form an exposed portion; as well as An adjustment mechanism connected to the mounting seat and used to drive the mounting seat to move up and down, the adjustment mechanism is installed in the backrest frame, and the mounting seat is driven to move up and down by the adjustment mechanism to achieve synchronous adjustment of the headrest and the shoulder safety belt; The adjustment mechanism includes a threaded hole opened on the mounting seat and a lead screw threadedly connected to the threaded hole, the lead screw is vertically arranged in the backrest frame, and the top of the lead screw extends out of the top plate of the backrest frame and a knob is arranged on the top plate, and the lead screw is rotated by rotating the knob, thereby causing the mounting seat to move up and down along the lead screw for adjustment; The mounting seat is arranged between the top plate and the bottom plate of the backrest frame; a convex block is fixedly arranged on the back of the mounting seat, and the adjustment mechanism is connected with the convex block to drive the convex block to move up and down; The shift structure includes a U-shaped steel wire fixed to the mounting seat, the open end of the U-shaped steel wire is fixed to the side of the mounting seat, a top gap for the shoulder safety belt to pass through is reserved between the wing rod at the top of the U-shaped steel wire and the partition of the mounting seat, a bottom gap for the shoulder safety belt to pass through is reserved between the wing rod at the bottom of the U-shaped steel wire and the bottom of the mounting seat, the top of the part of the shoulder safety belt located in the backrest frame passes through the bottom gap and then passes through the top gap, thereby bypassing the U-shaped steel wire and extending out from the backrest frame to form an exposed portion.

7. The child safety seat according to claim 6, characterized in that: The adjustment mechanism comprises a push rod motor vertically connected to the mounting seat, and the push rod motor drives the mounting seat to move up and down for adjustment.

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