CN208198170U - The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt - Google Patents
The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt Download PDFInfo
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- CN208198170U CN208198170U CN201820685536.5U CN201820685536U CN208198170U CN 208198170 U CN208198170 U CN 208198170U CN 201820685536 U CN201820685536 U CN 201820685536U CN 208198170 U CN208198170 U CN 208198170U
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- mounting base
- headrest
- safety belt
- backrest frames
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Abstract
The utility model relates to a kind of child safety seat and its synchronous regulation structures of headrest and shoulder safety belt, the structure includes: the mounting base for being fixedly arranged on head rest pole bottom and being located in child safety seat backrest frames, is connected with the shift structure passed around for shoulder safety belt in the mounting base；And the regulating mechanism for connecting with the mounting base and being moved up and down for the driving mounting base, the regulating mechanism is installed in the backrest frames, drives the mounting base to move up and down by the regulating mechanism to realize the synchronous adjustment of headrest and shoulder safety belt.The utility model will rest the head on and be fixed together with shoulder safety belt, headrest and shoulder safety belt are adjusted simultaneously by regulating mechanism, so that headrest and shoulder safety belt can be bonded the figure of children completely, also eliminate the need the operating process of user's Dismountable safety belt, while simplifying gear shift operation, maloperation is reduced.
Description
Technical field
The utility model relates to the construction applications of children's seat, refers in particular to a kind of child safety seat and its headrest is pacified with shoulder
The synchronous regulation structure of full band.
Background technique
As the universal and people of automobile are higher and higher to the attention degree of children riding safety, vehicular child safety seat
Chair is increasingly paid attention to, and automobile children safety chair plays an important role to the injures and deaths for reducing children in collision accident.
Child safety seat currently on the market is mostly inconvenient for use, and it is numerous that headrest adjusts inconvenient and shoulder safety belt gear shift
It is trivial and be easy to appear maloperation.When using mistake, child safety seat can not only provide reliable protection, in some instances it may even be possible to make
The injury of Cheng Geng great.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, provide a kind of child safety seat and its headrest with
The synchronous regulation structure of shoulder safety belt solves existing children and pacifies headrest adjusting inconvenience and shoulder safety belt in safety seat
It shifts gears cumbersome and the problem of be easy to appear maloperation and bring more major injury.
Realizing the technical solution of above-mentioned purpose is:
The utility model provides a kind of headrest of child safety seat and the synchronous regulation structure of shoulder safety belt, packet
It includes:
It is fixedly arranged on head rest pole bottom and the mounting base in child safety seat backrest frames, is connected in the mounting base
It is connected to the shift structure passed around for shoulder safety belt；And
It is connect with the mounting base and the regulating mechanism for driving the mounting base to move up and down, the regulating mechanism fills
In the backrest frames, the mounting base is driven to move up and down to realize that headrest and shoulder are pacified by the regulating mechanism
The synchronous adjustment of full band.
The utility model will rest the head on and be fixed together with shoulder safety belt, adjust headrest and shoulder simultaneously by regulating mechanism
Safety belt, so that headrest and shoulder safety belt can be bonded the figure of children completely.Headrest is adjusted simultaneously using regulating mechanism
And shoulder safety belt, the operating process of user's Dismountable safety belt is eliminated, while simplifying gear shift operation, reduces and accidentally grasps
Make.The degree of regulation of regulating mechanism is greater than the degree of regulation of existing shoulder safety belt gear shifting structure, the adjusting of the utility model
Mechanism can be adjusted to any position, more convenient comfortable and hommization.In the case where improving usage experience, further improve
The safety of child safety seat, reliability and comfort.
The further improvement of the synchronous regulation structure of the headrest and shoulder safety belt of the utility model child safety seat exists
In the lead screw that, the regulating mechanism includes the threaded hole being opened in the mounting base and is screwed together with the threaded hole, institute
It states lead screw to be erected in the backrest frames, and the top plate of the backrest frames is stretched out and in the top plate in the top of the lead screw
Place is equipped with a knob, the lead screw is rotated so that the mounting base is along on the lead screw by rotating the knob
Lower mobile adjusting.
The further improvement of the synchronous regulation structure of the headrest and shoulder safety belt of the utility model child safety seat exists
In, corresponded on the bottom plate of the backrest frames lead screw be equipped with for accommodate lead screw end tank.
The further improvement of the synchronous regulation structure of the headrest and shoulder safety belt of the utility model child safety seat exists
In being installed with a sleeve on the bottom plate of the backrest frames, the sleeve inner forms the tank, and the diameter of the sleeve
It is adapted with the diameter of the lead screw bottom.
The further improvement of the synchronous regulation structure of the headrest and shoulder safety belt of the utility model child safety seat exists
In, the regulating mechanism include with mounting base push-rod electric machine connected vertically, pass through the push-rod electric machine and drive the peace
Dress seat moves up and down adjusting.
The further improvement of the synchronous regulation structure of the headrest and shoulder safety belt of the utility model child safety seat exists
In the regulating mechanism further includes the through-hole being opened in the mounting base and the guide rod across the through-hole, the guiding
Bar is erected in the backrest frames, is limited by moving direction of the guide rod to the mounting base.
The further improvement of the synchronous regulation structure of the headrest and shoulder safety belt of the utility model child safety seat exists
In the shift structure includes the U-shaped steel silk for being fixedly arranged on the mounting base.
The utility model has also mentioned a kind of child safety seat, comprising:
Chair framework, including cushion skeleton connected vertically and backrest frames；
The headrest being installed on the backrest frames, the bottom of the headrest are connected with head rest pole, and the head rest pole passes through
Top plate at the top of the backrest frames is placed in the backrest frames；
It is fixedly arranged on head rest pole bottom and the mounting base in child safety seat backrest frames, is connected in the mounting base
It is connected to the shift structure passed around for shoulder safety belt；
Shoulder safety belt, the top of the part in the backrest frames is around the shift structure and from the backrest
It is stretched out in skeleton and forms exposed portion；And
It is connect with the mounting base and the regulating mechanism for driving the mounting base to move up and down, the regulating mechanism fills
In the backrest frames, the mounting base is driven to move up and down to realize that headrest and shoulder are pacified by the regulating mechanism
The synchronous adjustment of full band.
The utility model child safety seat further improvement lies in that, the regulating mechanism include be opened in the installation
Threaded hole on seat and the lead screw being screwed together with the threaded hole, the lead screw are erected in the backrest frames, and described
The top of lead screw stretches out the top plate of the backrest frames and is equipped with a knob at the top plate, is made by rotating the knob
The lead screw rotation is so that the mounting base moves up and down adjusting along the lead screw.
The utility model child safety seat further improvement lies in that, the regulating mechanism include with the mounting base hang down
The direct-connected push-rod electric machine connect drives the mounting base to move up and down adjusting by the push-rod electric machine.
Detailed description of the invention
Fig. 1 is the first reality of the utility model child safety seat and its headrest with the synchronous regulation structure of shoulder safety belt
Apply the structural schematic diagram of example.
Fig. 2 is the first reality of the utility model child safety seat and its headrest with the synchronous regulation structure of shoulder safety belt
Apply the partial enlargement diagram of example.
Fig. 3 is the front view of structure shown in Fig. 2.
Fig. 4 is the second reality of the utility model child safety seat and its headrest with the synchronous regulation structure of shoulder safety belt
Apply the structural schematic diagram of example.
Fig. 5 is the structural schematic diagram that guide rod is added in embodiment illustrated in fig. 4.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Refering to fig. 1, the utility model provides the same step of a kind of child safety seat and its headrest and shoulder safety belt
Section structure, for solving in existing child safety seat headrest, to adjust inconvenient, shoulder safety belt shift cumbersome and easy miss
The problem of operation etc..The utility model will be rested the head on by mounting base and be linked together with the shift structure of shoulder safety belt, so that
The height of headrest and shoulder safety belt can be adjusted simultaneously, can be bonded the figure of children completely, eliminate user's Dismountable peace
The operating process of full band has also subtracted the Probability of maloperation, the case where improving usage experience while simplifying gear shift operation
Under, further increase safety, reliability and the comfort of child safety seat.It is practical new to this with reference to the accompanying drawing
The synchronous regulation structure of type child safety seat and its headrest and shoulder safety belt is illustrated.
Refering to fig. 1, it is shown that the synchronous adjustment knot of the utility model child safety seat and its headrest and shoulder safety belt
The structural schematic diagram of the first embodiment of structure.Referring to Fig.2, showing the utility model child safety seat and its headrest and shoulder
The partial enlargement diagram of the first embodiment of the synchronous regulation structure of safety belt.It is practical new to this below with reference to Fig. 1 and Fig. 2
The headrest of type child safety seat and the synchronous regulation structure of shoulder safety belt are illustrated.
As depicted in figs. 1 and 2, the synchronous adjustment knot of the headrest of the child safety seat of the utility model and shoulder safety belt
Structure 24 includes mounting base 241 and regulating mechanism 242, and mounting base 241 is fixedly arranged on 221 bottom of head rest pole and is located at child safety seat
In the backrest frames 212 of chair 20, it is connected with the shift structure 2411 passed around for shoulder safety belt 23 in mounting base 241, passes through
The shift structure 2411 located the height of shoulder safety belt 23；Regulating mechanism 242 is connect with mounting base 241, is installed for driving
Seat 241 moves up and down, which is installed in backrest frames 212, by 242 drive installation seat 241 of regulating mechanism
Lower movement is to realize the synchronous adjustment of headrest 22 with shoulder safety belt 23.
When 242 drive installation seat 241 of regulating mechanism moves up, mounting base 241 drives head rest pole 221 to move up, and makes
It obtains head rest pole 221 to protrude out to the outside of backrest frames 212, realizes the height-regulating of headrest 22, mounting base 241 moves up but also shelves
The height of bit architecture 2411 is got higher, so that 23 synchronous height adjusting of shoulder safety belt.242 drive installation seat 241 of regulating mechanism to
When lower mobile, mounting base 241 drives head rest pole 221 to move down, so that head rest pole 221 is protruded into the inside of backrest frames 212,
Turning down for headrest 22 is realized, mounting base 241 moves down so that the height of shift structure 2411 is lower, so that shoulder is safe
Band 23, which synchronizes, to be turned down.
The utility model will be rested the head on 22 head rest pole 221 and the shift structure of shoulder safety belt 23 by mounting base 241
2411 are fixed together, so that moving up and down by 242 drive installation seat 241 of regulating mechanism, realize headrest 22 and shoulder
The synchronous adjustment of portion's safety belt 23.
In the first embodiment of the utility model, as shown in Figure 1 to Figure 3, regulating mechanism 242 includes being provided with mounting base
Threaded hole on 241 and the lead screw 2421 being screwed together with threaded hole, which erects in backrest frames 212, and silk
The top of thick stick 2421 stretches out the top plate 2121 of backrest frames 212 and is equipped with a knob 2422 at top plate 2121, should by rotation
Knob 2422 makes the rotation of lead screw 2421 so that mounting base 241 moves up and down adjusting along lead screw 2421.The regulating mechanism
242 adjustment process are as follows: rotate clockwise knob 2422 and lead screw 2421 is driven to rotate clockwise together, mounting base 241 is along silk
Thick stick 2421 moves down, to move downwardly together with headrest 22 and shoulder safety belt 23, adjusting stops operation rotation afterwards in place
Button 2422；Rotation knob 2422 drives the rotation counterclockwise together of lead screw 2421 counterclockwise, and mounting base 241 is along lead screw 2421
It moves up, to move upwardly together with headrest 22 and shoulder safety belt 23, adjusting stops operation knob 2422 afterwards in place
?.Certainly, the adjusting direction of regulating mechanism 242 is not limited thereto, when can also be designed to rotate clockwise lead screw 2421,
Mounting base 241 moves up, and when rotating threaded shaft 2421 counterclockwise, mounting base 241 is moved down.
Screwing togather cooperation and realize the adjusting together of headrest and shoulder safety belt using lead screw and threaded hole, so that adjust essence
Degree is high, and the gear positions in gear adjusting that can headrest and shoulder safety belt be adjusted to any position, and be not limited to make
It is more convenient comfortable and humanized to obtain child safety seat.
Preferably, opening up threaded hole on convex block in the fixed convex block in the back of mounting base 241, lead screw 2421 being worn
The top plate 2121 of backrest frames 212 simultaneously screws togather the threaded hole on the convex block, will behind the setting position that convex block is located at lead screw 2421
The bottom of lead screw 2421 is resisted against on the bottom plate 2122 of backrest frames 212, and lead screw 2421 is freely rotated.
As a better embodiment of the utility model, lead screw 2421 is corresponded on the bottom plate of backrest frames 212 and is equipped with confession
Accommodate the tank of the end of lead screw 2421.The end that lead screw 2421 is accommodated by tank enables lead screw 2421 in tank
It is inside freely rotated, and tank plays the role of limit to lead screw 2421 again.
Preferably, as shown in Figure 1, correspond to the fixed sleeve 2123 of lead screw 2421 on the bottom plate 2122 of backrest frames 212,
Tank is formed with inside the sleeve 2123, the diameter of sleeve 2123 is adapted with the diameter of 2421 bottom of lead screw.In installation lead screw
When 2421, after lead screw 2421 is passed through from top plate 2121 and is screwed with the threaded hole in mounting base 241, by the bottom of lead screw 2421
Portion is inserted into sleeve 2123, so that lead screw 2421 erects between the top plate 2121 and bottom plate 2122 of backrest frames 212.Lead screw
2421 and the cooperation of threaded hole realize the synchronous adjustment to headrest and shoulder safety belt, and the lead screw 2421 also acts guiding
Effect, so that the direction that headrest and shoulder safety belt can only be arranged along lead screw 2421 carries out up and down adjustment.
In the second embodiment of the utility model, as shown in figure 4, regulating mechanism 242 includes connects vertical with mounting base 241
The push-rod electric machine 2423 connect moves up and down adjusting by 2421 drive installation seat 241 of push-rod electric machine.By push-rod electric machine 2423
It is installed on the bottom plate 2122 of backrest frames 212, and the push rod of push-rod electric machine 2423 is vertical with mounting base 241 connect, by pushing away
The driving of bar motor 2423 and drive mounting base 241 to move up and down adjusting.
Preferably, in the fixed convex block in the back of mounting base 241, connect the push rod of push-rod electric machine 2423 is vertical with the convex block
It connects, to realize moving up and down for 2423 drive installation seat 241 of push-rod electric machine.The operation button of push-rod electric machine 2423 is arranged
The surface of seat 20 is installed in children, with user-friendly.
As a better embodiment of the utility model, as shown in figure 5, regulating mechanism 242 further includes being opened in installation
Through-hole on seat 241 and the guide rod 2424 across the through-hole, guide rod 2424 erect in backrest frames 212, pass through guiding
Bar 2424 limits the moving direction of mounting base 241.Preferably, 2424 vertical support of guide rod is in backrest frames 212
Between top plate 2121 and bottom plate 2122, guiding role is played by guide rod 2424, so that headrest and shoulder safety belt can only edges
Guide rod 2424 be arranged direction carry out up and down adjustment.
As another better embodiment of the utility model, as shown in Figures 2 and 3, the shift structure of the utility model
2411 include the U-shaped steel silk being installed in mounting base 241, and the open end of the U-shaped steel silk is installed in the side of mounting base 241, the U
There are the top clearance passed through for shoulder safety belt 23, U-shaped steels between wing bar at the top of shaped steel wire and a partition of mounting base 241
There are the bottom gap passed through for shoulder safety belt 23, shoulder safety between the wing bar of steel wire bottom and the bottom of mounting base 241
The top for being located at the part in backrest frames 212 with 23 is passed through from bottom gap to be passed through from top clearance again, thus U-shaped around this
It is stretched out out of backrest frames 212 after steel wire and forms exposed portion.
The fixed head rest pole 221 in bottom of headrest 22 passed through from the top plate 2121 of backrest frames 212 and with mounting base 241
Top is fixedly connected.
The utility model has also mentioned a kind of child safety seat, is illustrated below to the child safety seat.
As shown in Figure 1, the child safety seat 20 includes chair framework 21, headrest 22, shoulder safety belt 23 and synchronizes
Adjustment structure 24, chair framework 21 include cushion skeleton 211 connected vertically and backrest frames 212；Headrest 22 is installed in backrest
On skeleton 212, the bottom of the headrest 22 is connected with head rest pole 221, which passes through the top plate at 212 top of backrest frames
2121 are placed in backrest frames 212；Synchronous regulation structure 24 includes mounting base 241 and regulating mechanism 242, and mounting base 241 is solid
It is located at the bottom of head rest pole 221, and the mounting base 241 is located in the backrest frames 212 of child safety seat 20, the mounting base
The shift structure 2411 passed around for shoulder safety belt 23 is connected on 241, shoulder safety belt 23 is located at the portion in backrest frames 212
The top divided is stretched out out of backrest frames 211 around the shift structure 2411 and forms exposed portion；Regulating mechanism 242 and mounting base
241 connections, the regulating mechanism 242 move up and down adjusting for drive installation seat 241, which is installed in backrest frames
In 212, move up and down to realize headrest 22 by 242 drive installation seat 241 of regulating mechanism same with shoulder safety belt 23
Step section.
When 242 drive installation seat 241 of regulating mechanism moves up, mounting base 241 drives head rest pole 221 to move up, and makes
It obtains head rest pole 221 to protrude out to the outside of backrest frames 212, realizes the height-regulating of headrest 22, mounting base 241 moves up but also shelves
The height of bit architecture 2411 is got higher, so that 23 synchronous height adjusting of shoulder safety belt.242 drive installation seat 241 of regulating mechanism to
When lower mobile, mounting base 241 drives head rest pole 221 to move down, so that head rest pole 221 is protruded into the inside of backrest frames 212,
Turning down for headrest 22 is realized, mounting base 241 moves down so that the height of shift structure 2411 is lower, so that shoulder is safe
Band 23, which synchronizes, to be turned down.
In the first embodiment, as shown in Figure 1 to Figure 3, regulating mechanism 242 includes the screw thread being provided in mounting base 241
Hole and the lead screw 2421 being screwed together with threaded hole, which erects in backrest frames 212, and the top of lead screw 2421
It stretches out the top plate 2121 of backrest frames 212 and is equipped with a knob 2422 at top plate 2121, made by rotating the knob 2422
Lead screw 2421 rotates so that mounting base 241 moves up and down adjusting along lead screw 2421.
In a second embodiment, as shown in figure 4, regulating mechanism 242 includes and the push-rod electric machine connected vertically of mounting base 241
2423, adjusting is moved up and down by 2421 drive installation seat 241 of push-rod electric machine.Push-rod electric machine 2423 is installed in by spine
On the bottom plate 2122 of frame 212, and the push rod of push-rod electric machine 2423 is vertical with mounting base 241 connect, and passes through push-rod electric machine 2423
It drives and mounting base 241 is driven to move up and down adjusting.
The specific structure of synchronous regulation structure 24 in the utility model child safety seat 20 and above-mentioned children's safety
The headrest of seat is identical as the structure of synchronous regulation structure 24 of shoulder safety belt, specifically can refer to above-mentioned synchronous regulation structure
24 structure description, details are not described herein.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as the protection scope of the utility model.
Claims (10)
1. a kind of headrest of child safety seat and the synchronous regulation structure of shoulder safety belt characterized by comprising
It is fixedly arranged on head rest pole bottom and the mounting base in child safety seat backrest frames, is connected in the mounting base
The shift structure passed around for shoulder safety belt；And
It is connect with the mounting base and the regulating mechanism for driving the mounting base to move up and down, the regulating mechanism is installed in
In the backrest frames, the mounting base is driven to move up and down to realize headrest and shoulder safety belt by the regulating mechanism
Synchronous adjustment.
2. the headrest of child safety seat as described in claim 1 and the synchronous regulation structure of shoulder safety belt, feature exist
In the lead screw that, the regulating mechanism includes the threaded hole being opened in the mounting base and is screwed together with the threaded hole, institute
It states lead screw to be erected in the backrest frames, and the top plate of the backrest frames is stretched out and in the top plate in the top of the lead screw
Place is equipped with a knob, the lead screw is rotated so that the mounting base is along on the lead screw by rotating the knob
Lower mobile adjusting.
3. the headrest of child safety seat as claimed in claim 2 and the synchronous regulation structure of shoulder safety belt, feature exist
In, corresponded on the bottom plate of the backrest frames lead screw be equipped with for accommodate lead screw end tank.
4. the headrest of child safety seat as claimed in claim 3 and the synchronous regulation structure of shoulder safety belt, feature exist
In being installed with a sleeve on the bottom plate of the backrest frames, the sleeve inner forms the tank, and the diameter of the sleeve
It is adapted with the diameter of the lead screw bottom.
5. the headrest of child safety seat as described in claim 1 and the synchronous regulation structure of shoulder safety belt, feature exist
In, the regulating mechanism include with mounting base push-rod electric machine connected vertically, pass through the push-rod electric machine and drive the peace
Dress seat moves up and down adjusting.
6. the headrest of child safety seat as claimed in claim 5 and the synchronous regulation structure of shoulder safety belt, feature exist
In the regulating mechanism further includes the through-hole being opened in the mounting base and the guide rod across the through-hole, the guiding
Bar is erected in the backrest frames, is limited by moving direction of the guide rod to the mounting base.
7. the headrest of child safety seat as described in claim 1 and the synchronous regulation structure of shoulder safety belt, feature exist
In the shift structure includes the U-shaped steel silk for being fixedly arranged on the mounting base.
8. a kind of child safety seat characterized by comprising
Chair framework, including cushion skeleton connected vertically and backrest frames；
The headrest being installed on the backrest frames, the bottom of the headrest are connected with head rest pole, and the head rest pole passes through described
Top plate at the top of backrest frames is placed in the backrest frames；
It is fixedly arranged on head rest pole bottom and the mounting base in child safety seat backrest frames, is connected in the mounting base
The shift structure passed around for shoulder safety belt；
Shoulder safety belt, the top of the part in the backrest frames is around the shift structure and from the backrest frames
Interior stretching forms exposed portion；And
It is connect with the mounting base and the regulating mechanism for driving the mounting base to move up and down, the regulating mechanism is installed in
In the backrest frames, the mounting base is driven to move up and down to realize headrest and shoulder safety belt by the regulating mechanism
Synchronous adjustment.
9. child safety seat as claimed in claim 8, which is characterized in that the regulating mechanism includes being opened in the installation
Threaded hole on seat and the lead screw being screwed together with the threaded hole, the lead screw are erected in the backrest frames, and described
The top of lead screw stretches out the top plate of the backrest frames and is equipped with a knob at the top plate, is made by rotating the knob
The lead screw rotation is so that the mounting base moves up and down adjusting along the lead screw.
10. child safety seat as claimed in claim 8, which is characterized in that the regulating mechanism includes and the mounting base
Push-rod electric machine connected vertically drives the mounting base to move up and down adjusting by the push-rod electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685536.5U CN208198170U (en) | 2018-05-09 | 2018-05-09 | The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685536.5U CN208198170U (en) | 2018-05-09 | 2018-05-09 | The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt |
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| Publication Number | Publication Date |
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| CN208198170U true CN208198170U (en) | 2018-12-07 |
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ID=64520435
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820685536.5U Active CN208198170U (en) | 2018-05-09 | 2018-05-09 | The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt |
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| CN (1) | CN208198170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422903A (en) * | 2018-05-09 | 2018-08-21 | 上海沃雨电子科技有限公司 | The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt |
-
2018
- 2018-05-09 CN CN201820685536.5U patent/CN208198170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422903A (en) * | 2018-05-09 | 2018-08-21 | 上海沃雨电子科技有限公司 | The synchronous regulation structure of child safety seat and its headrest and shoulder safety belt |
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