CN108749661B - Fixing structure and fixing method of child safety seat shoulder pad - Google Patents

Fixing structure and fixing method of child safety seat shoulder pad Download PDF

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Publication number
CN108749661B
CN108749661B CN201810503017.7A CN201810503017A CN108749661B CN 108749661 B CN108749661 B CN 108749661B CN 201810503017 A CN201810503017 A CN 201810503017A CN 108749661 B CN108749661 B CN 108749661B
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shoulder pad
belt
fixing
safety
shoulder
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CN201810503017.7A
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CN108749661A (en
Inventor
林浩
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Shanghai Woyoo Electronic Technology Co ltd
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Shanghai Woyoo Electronic Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/265Adaptations for seat belts

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to a fixing structure of a child safety seat shoulder pad and a fixing method thereof, wherein the fixing structure comprises shoulder pad safety belts corresponding to two shoulder safety belts, one end of each shoulder pad safety belt is fixedly provided with a shoulder pad, the other end of each shoulder pad safety belt is provided with a tubular belt, and the shoulder pads are sleeved on the shoulder safety belts; the support is fixedly arranged on the backrest framework, and a belt penetrating space for the shoulder pad safety belts to penetrate through is formed on the support corresponding to the two shoulder pad safety belts respectively; and a row of fixing rods which are fixedly arranged on the support and correspond to the positions below the threading space are horizontally arranged, each shoulder pad safety belt corresponds to a row of fixing rods, the tubular belts of the shoulder pad safety belts are sleeved on the corresponding row of fixing rods, so that the shoulder pad safety belts are fixed, and the tubular belts are sleeved on the corresponding row of different fixing rods, so that the length adjustment of the shoulder pad safety belts is realized.

Description

Fixing structure and fixing method of child safety seat shoulder pad
Technical Field
The invention relates to the technical field of safety belts of child safety seats, in particular to a fixing structure and a fixing method of a shoulder pad of a child safety seat.
Background
In the existing child safety seat, in order to ensure the safety of children, five-point safety belts are generally arranged, and two safety belts are arranged on the shoulder parts of the five-point safety belts. However, the shoulder belt is thin, so that the child feels uncomfortable and is easy to hurt the body of the child when an accident occurs, and therefore, a shoulder pad is usually required to be arranged on the shoulder belt, so that the shoulder pad is directly attached to the body of the child, the contact area of the belt and the child is increased, and the child feels comfortable.
In the prior art, the shoulder pad is usually directly sleeved on the shoulder belt, and the shoulder pad is arranged in such a way that the shoulder pad can easily move up and down along the shoulder belt.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a fixing structure and a fixing method of a shoulder pad of a child safety seat, which can solve the problem that the shoulder pad is easy to move in the existing fixing mode of the shoulder pad.
The technical scheme for achieving the purpose is as follows:
the invention provides a fixing structure of a child safety seat shoulder pad, which comprises the following components:
the shoulder pad safety belts are corresponding to the two shoulder safety belts, one end of each shoulder pad safety belt is fixedly provided with a shoulder pad, the other end of each shoulder pad safety belt is provided with a tubular belt, and the shoulder pads are sleeved on the shoulder safety belts;
the support is fixedly arranged on the backrest framework, and a threading space for the shoulder pad safety belts to pass through is formed on the support corresponding to the two shoulder pad safety belts respectively; and
the shoulder pad safety belt fixing device comprises a support, a shoulder pad safety belt, a fixing rod and a tubular belt sleeve, wherein the fixing rod is fixedly arranged on the support and corresponds to a row of fixing rods below a threading space, each shoulder pad safety belt corresponds to a row of fixing rods, the tubular belt sleeve of the shoulder pad safety belt is arranged on the corresponding row of fixing rods, fixing of the shoulder pad safety belt is achieved, and the fixing rods are sleeved on the corresponding row of different fixing rods through the tubular belt sleeve, so that length adjustment of the shoulder pad safety belt is achieved.
The shoulder pad has the beneficial effects that the shoulder pad is fixed by adopting the shoulder pad safety belt mode, and the other end of the shoulder pad safety belt is fixed by a row of fixing rods on the backrest framework, so that not only can the shoulder pad be prevented from moving, but also the height of the shoulder pad can be adjusted.
The fixing structure of the shoulder pad of the child safety seat is further improved in that a gap is formed between one end of the fixing rod and the backrest framework, and the end part of the shoulder pad safety belt is sleeved on the fixing rod through the gap.
The fixing structure of the shoulder pad of the child safety seat is further improved in that the fixing rod is a U-shaped rod and comprises two horizontal rods and an arc rod connected to the ends of the two horizontal rods, the arc rod and the backrest framework form the gap, and one end, far away from the arc rod, of the horizontal rod is fixedly arranged on the support.
The fixing structure of the shoulder pad of the child safety seat is further improved in that the support comprises a plurality of transverse rods and a plurality of vertical rods which are arranged transversely and longitudinally, and the transverse rods and the vertical rods which are positioned at the upper part of the support are enclosed with the top plate of the backrest framework to form the threading space.
The fixing structure of the shoulder pad of the child safety seat is further improved in that the distance between the vertical rods corresponding to the two sides of the threading space is matched with the width of the shoulder pad safety belt.
The fixing structure of the shoulder pad of the child safety seat is further improved in that the fixing rod is located between the two cross rods, and the end part of the fixing rod is fixed to the vertical rod.
The fixing structure of the shoulder pad of the child safety seat is further improved in that the end of the shoulder pad safety belt is bent and fixedly connected with the shoulder pad safety belt body so as to form the tubular belt at the end of the shoulder pad safety belt.
The fixing structure of the shoulder pad of the child safety seat is further improved in that the fixing structure further comprises a gear shifting piece transversely arranged on the support, the belt penetrating space is divided into an upper belt penetrating space and a lower belt penetrating space through the gear shifting piece, an adjusting gap for the shoulder pad safety belt to pass through is formed between the end portion of the gear shifting piece and the support, and the adjusting gap is communicated with the upper belt penetrating space and the lower belt penetrating space.
The invention also provides a method for fixing the shoulder pad of the child safety seat, which comprises the following steps:
providing two shoulder pad safety belts, wherein the shoulder pad safety belts are in one-to-one correspondence with the shoulder safety belts, one shoulder pad is fixed at one end of the shoulder pad safety belt through sewing, the other end is bent, and the shoulder pad safety belts are fixedly connected with the shoulder pad safety belt body through sewing so as to form a tubular belt;
providing a bracket, welding and fixing the bracket on a backrest framework, wherein a threading space for the shoulder pad safety belts to pass through is formed on the bracket corresponding to the two shoulder pad safety belts respectively;
providing a plurality of fixing rods, horizontally welding and fixing the fixing rods to the support, and arranging the fixing rods in two rows, wherein one row of fixing rods is correspondingly positioned below a threading space and corresponds to a shoulder pad safety belt;
the tubular belt is sleeved on one fixing rod on the corresponding row, so that the shoulder pad safety belt is fixed, and the tubular belt is sleeved on different fixing rods on the corresponding row, so that the length adjustment of the shoulder pad safety belt is realized.
The invention further improves the fixing method of the shoulder pad of the child safety seat, wherein the fixing rod is a U-shaped rod and comprises two horizontal rods and an arc rod connected with the ends of the two horizontal rods, and the fixing rod is horizontally welded and fixed on the bracket, and comprises the following steps:
one end of the horizontal rod, which is far away from the arc rod, is welded and fixed to the support, a gap is reserved between the arc rod and the backrest framework, and the tubular belt is sleeved on the corresponding fixing rod through the gap.
Drawings
FIG. 1 is a schematic front view of a fixing structure of a shoulder pad of a child safety seat according to the present invention.
Fig. 2 and 3 are schematic rear views showing a fixing structure of the shoulder pad of the child safety seat of the present invention.
FIG. 4 is a schematic rear view of the child safety seat shoulder pad of the present invention with a shoulder pad harness omitted.
Fig. 5 and 6 are schematic views of the fixing structure of the shoulder pad of the child safety seat of the present invention provided with a shift member.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Referring to fig. 2, the invention provides a fixing structure of a child safety seat shoulder pad, which adopts a shoulder pad safety belt mode to fix the shoulder pad, and uses a row of fixing rods on a backrest framework to fix the other end of the shoulder pad safety belt, so that not only can the shoulder pad be prevented from moving, but also the height of the shoulder pad can be adjusted, and the problem that the shoulder pad can move in the existing shoulder pad fixing mode is solved. The fixing structure of the shoulder pad for the child safety seat according to the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the child safety seat includes a seat cushion frame and a back frame 90, and two shoulder belts (not shown) are passed through the back of the seat. The fixing structure of the child safety seat shoulder pad of the present invention comprises: the shoulder pad safety belts 20 corresponding to the two shoulder safety belts, the bracket 11 fixedly arranged on the backrest framework 90 and the fixing rod fixedly arranged on the bracket 11.
One end of the shoulder pad safety belt 20 is fixed with a shoulder pad 21 by sewing, the shoulder pad 21 is positioned on the front surface of the backrest, and the end of the other end of the shoulder pad safety belt 20 is bent and fixedly connected with the shoulder pad safety belt 20 body so as to form a tubular belt 22 at the end of the shoulder pad safety belt 20. The shoulder pad 21 is sleeved on the shoulder belt so that the shoulder pad 21 is worn on the shoulder of the child to prevent the shoulder belt from injuring the child. The bracket 11 is provided with a threading space 12 for the shoulder pad belts 20 to pass through, and the two threading spaces 12 are symmetrically arranged with the central axis of the backrest frame 90 as a symmetry axis, and the shoulder pad belts 20 horizontally pass through the threading spaces 12.
The bracket 11 includes a plurality of cross bars 111 and a plurality of vertical bars 112 disposed in a horizontal direction and each end portion of which is fixed to an inner side surface of the back frame 90, so that the bracket 11 is fixed to the back frame 90. The cross bar 111 and the vertical bars 112 at the upper part are enclosed with the top plate of the backrest framework 90 to form the threading space 12, the interval between the vertical bars 112 at the two sides of the threading space 12 is correspondingly matched with the width of the shoulder pad safety belt 20, the shoulder pad safety belt 20 is limited between the two corresponding vertical bars 112 when passing through the threading space 12, the shoulder pad safety belt 20 is prevented from moving, and the shoulder pad safety belt 20 is arranged on the corresponding cross bar 111, so that the cross bar 111 has a limiting effect on the shoulder pad safety belt 20, and the shoulder pad safety belt 20 is prevented from twisting.
As shown in fig. 2 to 4, the fixing rods 13 are divided into two rows, each row of fixing rods 13 is welded and fixed on a vertical rod 112 horizontally and at intervals, the row of fixing rods 13 is correspondingly positioned below a threading space 12 and between two cross rods 111, and one row of fixing rods 13 is correspondingly positioned on a shoulder pad safety belt 20. The shoulder-pad safety belt 20 is fixed by sleeving the tubular belt 22 at the end part of the shoulder-pad safety belt 20 on one fixing rod 13 on the corresponding row, and the length of the shoulder-pad safety belt 20 is adjusted by sleeving the tubular belt 22 on the different fixing rods 13 on the corresponding row. Specifically, one end of the fixing rod 13 is fixed to the vertical rod 112 by welding, and a gap 131 is formed between the other end and the back frame 90. The tubular strap 22 at the end of the shoulder belt 20 is fitted over the corresponding fixing rod 13 through the gap 131, thereby achieving the fixation of the shoulder belt 20. The further the fixing rod 13 of the shoulder pad belt 20 is from the belt threading space 12, the shorter the length of the shoulder pad belt exposed to the front side of the backrest, and the higher the position of the shoulder pad 21.
In a preferred embodiment, the fixing rod 13 is a U-shaped rod, and includes two horizontal rods 132 and an arc rod 133 connected to the ends of the two horizontal rods 132, a gap is formed between the arc rod 133 and the backrest frame 90, and one end of the horizontal rod 132 away from the arc rod 133 is fixedly disposed on the vertical rod 112. The fixing rods 13 are provided with two fixing points distributed along the vertical direction on the vertical rods 112 through the two horizontal rods 132, and because the other ends of the fixing rods 13 are not fixed on the backrest framework 90 and vertical upward pulling force is generated on the fixing rods 13 when the shoulder pad safety belt 20 is pulled, the defect that only one end of the fixing rods 13 is fixed can be well compensated through the two fixing points distributed along the vertical direction, the firmness of the fixing structure is enhanced, the fixing rods 13 are enabled to overcome the pulling force of the shoulder pad safety belt 20 on the fixing rods better, and the fixing rods 13 are prevented from being deformed. The circular arc rod 133 is smooth in surface, so that the tubular belt 22 at the end of the shoulder pad safety belt 20 can be conveniently sleeved into the fixing rod 13.
In a preferred embodiment, as shown in fig. 5 and 6, a shift member 14 is transversely disposed in the threading space 12 on the bracket 11, and the threading space 12 is divided into an upper threading space 121 and a lower threading space 122 by the shift member 14. One end of the shifting member 14 is fixed to the bracket 11, and an adjustment slit 141 through which the shoulder pad belt 20 passes is formed between the other end and the bracket 11, and the adjustment slit 141 communicates with the upper threading space 121 and the lower threading space 122. The shoulder pad safety belt 20 passing through the threading space 12 can be adjusted from the upper threading space 121 to the lower threading space 122 through the adjustment slit 141 or from the lower threading space 122 to the upper threading space 121, so that the user can adjust the position where the shoulder pad safety belt 20 extends out of the child safety seat back as desired. As shown in fig. 5, when the shoulder pad belt 20 passes through the lower threading space 122, the shoulder pad belt 20 is placed on the corresponding cross bar 111; as shown in fig. 6, when the shoulder pad belt 20 passes through the upper threading space 121, the shoulder pad belt 20 is placed on the corresponding shift piece 141. Preferably, the end of the shift member 14 adjacent the adjustment slit 141 is rounded to facilitate passage of the shoulder pad belt 20 through the adjustment slit 141.
The method for fixing the shoulder pad of the child safety seat according to the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the method for fixing the shoulder pad of the child safety seat of the present invention includes:
providing two shoulder pad safety belts 20, wherein the shoulder pad safety belts 20 are in one-to-one correspondence, one shoulder pad 21 is fixed at one end of the shoulder pad safety belt 20 through sewing, the other end is bent, and the shoulder pad safety belt is fixedly connected with a shoulder pad safety belt body through sewing so as to form a tubular belt 22;
providing a bracket 11, welding and fixing the bracket 11 to the backrest framework 90, wherein a threading space 12 for the shoulder pad safety belts 20 to pass through is respectively formed on the bracket 11 corresponding to the two shoulder pad safety belts 20;
providing a plurality of fixing rods 13, horizontally welding and fixing the fixing rods 13 to the bracket 11, and arranging the fixing rods 13 in two rows, wherein one row of the fixing rods 13 is correspondingly positioned below a threading space 12 and corresponds to a shoulder pad safety belt 20;
the tubular belt 22 is sleeved on one fixing rod 13 on the corresponding row, so that the shoulder pad safety belt 20 is fixed, and the tubular belt 22 is sleeved on the different fixing rods 13 on the corresponding row, so that the length adjustment of the shoulder pad safety belt 20 is realized.
In a preferred embodiment, the fixing rod 13 is a U-shaped rod including two horizontal rods 132 and a circular arc rod 133 connected to the ends of the two horizontal rods, and horizontally welding and fixing the fixing rod 13 to the bracket 11 includes:
one end of the horizontal rod 132, which is far away from the arc rod 133, is welded and fixed to the bracket 11, and a gap 131 is left between the arc rod 133 and the back skeleton 90, and the tubular strap 22 is sleeved on the corresponding fixing rod 13 through the gap 131.
The fixing structure and the fixing method of the child safety seat shoulder pad have the beneficial effects that:
the shoulder pad safety belts are fixed by the fixing rods horizontally arranged below the threading space, so that the shoulder pad safety belts do not need to be twisted while being fixed, and each shoulder pad safety belt is fixed on the corresponding fixing rod, so that one shoulder pad safety belt cannot be influenced when being pulled.
The fixing rod is designed into a U-shaped rod, so that on one hand, the defect that only one end of the fixing rod is fixed is overcome, the firmness of a fixing structure is enhanced, the fixing rod can better overcome the tensile force of the shoulder pad safety belt on the fixing rod, and the deformation is prevented; on the other hand, the circular arc rod has smooth surface, so that the end part of the shoulder pad safety belt is convenient to be sleeved into the fixing rod.
In addition, when the shoulder pad is pulled, the tension of the shoulder pad can be uniformly transmitted to the bracket through the shoulder pad safety belt in the shoulder pad fixing mode, and the transverse rod and the longitudinal rod of the bracket are fixed on the backrest framework, so that the force is dispersed and transmitted to the backrest framework of the child safety seat, a stable stress structure is formed, the shoulder pad safety belt is stably and reliably fixed, and a better protection effect is achieved for children.
In addition, the shoulder pad safety belt is limited through the vertical rod, so that the shoulder pad safety belt is prevented from moving.
The present invention has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the invention based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the invention, which is defined by the appended claims.

Claims (5)

1. A child safety seat shoulder pad fixing structure, comprising:
the shoulder pad safety belts are corresponding to the two shoulder safety belts, one end of each shoulder pad safety belt is fixedly provided with a shoulder pad, the other end of each shoulder pad safety belt is provided with a tubular belt, and the shoulder pads are sleeved on the shoulder safety belts;
the support is fixedly arranged on the backrest framework, and a threading space for the shoulder pad safety belts to pass through is formed on the support corresponding to the two shoulder pad safety belts respectively; and
the shoulder pad safety belt comprises a bracket, a shoulder pad safety belt, a fixing rod and a fixing rod, wherein the fixing rod is fixedly arranged on the bracket and corresponds to a row of fixing rods below the threading space;
a gap is formed between one end of the fixing rod and the backrest framework, and the end part of the shoulder pad safety belt is sleeved on the fixing rod through the gap;
the fixing rod is a U-shaped rod and comprises two horizontal rods and an arc rod connected to the ends of the two horizontal rods, the arc rod and the backrest framework form the gap, and one end, far away from the arc rod, of the horizontal rod is fixedly arranged on the bracket;
the belt threading space is divided into an upper belt threading space and a lower belt threading space by the gear shifting piece, an adjusting gap for the shoulder pad safety belt to pass through is formed between the end part of the gear shifting piece and the bracket, and the adjusting gap is communicated with the upper belt threading space and the lower belt threading space;
the support comprises a plurality of transverse rods and a plurality of vertical rods which are arranged transversely and longitudinally, and the transverse rods and the vertical rods which are arranged on the upper portion of the support are enclosed with a top plate of the backrest framework to form the threading space.
2. The fixing structure of a shoulder pad for a child safety seat according to claim 1, wherein a distance between the vertical bars corresponding to both sides of the threading space is adapted to a width of the shoulder pad belt.
3. The fixing structure of a child safety seat shoulder pad according to claim 1, wherein the fixing rod is located between two cross rods, and an end of the fixing rod is fixed to the vertical rod.
4. A child safety seat shoulder pad securement structure as recited in claim 1, wherein an end of said shoulder pad belt is bent and fixedly attached to said shoulder pad belt body to form said tubular strap at an end of said shoulder pad belt.
5. A method of securing a child safety seat shoulder pad, comprising:
providing two shoulder pad safety belts, wherein the shoulder pad safety belts are in one-to-one correspondence with the shoulder safety belts, one shoulder pad is fixed at one end of the shoulder pad safety belt through sewing, the other end is bent, and the shoulder pad safety belts are fixedly connected with the shoulder pad safety belt body through sewing so as to form a tubular belt;
providing a bracket, welding and fixing the bracket on a backrest framework, wherein a threading space for the shoulder pad safety belts to pass through is formed on the bracket corresponding to the two shoulder pad safety belts respectively;
providing a plurality of fixing rods, horizontally welding and fixing the fixing rods to the support, and arranging the fixing rods in two rows, wherein one row of fixing rods is correspondingly positioned below a threading space and corresponds to a shoulder pad safety belt;
the tubular belts are sleeved on one fixing rod on the corresponding row, so that the shoulder pad safety belt is fixed, and the tubular belts are sleeved on different fixing rods on the corresponding row, so that the length adjustment of the shoulder pad safety belt is realized;
the dead lever is the U type pole, including two horizontal poles and one connect in the circular arc pole of two horizontal pole tip, with the dead lever level welded fastening to on the support include:
one end, far away from the arc rod, of the horizontal rod is welded and fixed to the bracket, a gap is reserved between the arc rod and the backrest framework, and the tubular belt is sleeved on the corresponding fixing rod through the gap;
the support is located transversely be provided with a piece of shifting on the threading space, pass through the piece of shifting will threading space is cut apart into and is worn the area space and wear the area space down, one end of shifting is fixed in support, the other end with be formed with one confession between the support shoulder pad safety belt passes through adjust the gap, adjust the gap intercommunication and wear area space and wear the area space down.
CN201810503017.7A 2018-05-23 2018-05-23 Fixing structure and fixing method of child safety seat shoulder pad Active CN108749661B (en)

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CN201810503017.7A CN108749661B (en) 2018-05-23 2018-05-23 Fixing structure and fixing method of child safety seat shoulder pad

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CN201810503017.7A CN108749661B (en) 2018-05-23 2018-05-23 Fixing structure and fixing method of child safety seat shoulder pad

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CN108749661B true CN108749661B (en) 2024-02-06

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000238646A (en) * 1999-02-19 2000-09-05 Kiyoji Suzuki Safety belt for child seat
JP2001047902A (en) * 1999-08-06 2001-02-20 Yoshiyuki Kano Child seat system and its protection member using vehicle seat
JP2001277918A (en) * 2000-03-31 2001-10-10 Riiman Kk Safety belt length adjustment device of child seat
JP2002178812A (en) * 2000-12-15 2002-06-26 Aprica Kassai Inc Automotive child safety seat
CN104369092A (en) * 2014-09-17 2015-02-25 浙江苏尔达洁具有限公司 Adjusting structure of bathtub faucet fixture
CN108045340A (en) * 2018-01-23 2018-05-18 上海沃雨电子科技有限公司 The safety belt gear shifting structure of child safety seat and its making and process for gear
CN208291032U (en) * 2018-05-23 2018-12-28 上海沃雨电子科技有限公司 The fixed structure of child safety seat shoulder pad safety belt

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000238646A (en) * 1999-02-19 2000-09-05 Kiyoji Suzuki Safety belt for child seat
JP2001047902A (en) * 1999-08-06 2001-02-20 Yoshiyuki Kano Child seat system and its protection member using vehicle seat
JP2001277918A (en) * 2000-03-31 2001-10-10 Riiman Kk Safety belt length adjustment device of child seat
JP2002178812A (en) * 2000-12-15 2002-06-26 Aprica Kassai Inc Automotive child safety seat
CN104369092A (en) * 2014-09-17 2015-02-25 浙江苏尔达洁具有限公司 Adjusting structure of bathtub faucet fixture
CN108045340A (en) * 2018-01-23 2018-05-18 上海沃雨电子科技有限公司 The safety belt gear shifting structure of child safety seat and its making and process for gear
CN208291032U (en) * 2018-05-23 2018-12-28 上海沃雨电子科技有限公司 The fixed structure of child safety seat shoulder pad safety belt

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