CN105109371A - ISOFIX chuck and length adjustment mechanism thereof - Google Patents
ISOFIX chuck and length adjustment mechanism thereof Download PDFInfo
- Publication number
- CN105109371A CN105109371A CN201510537412.3A CN201510537412A CN105109371A CN 105109371 A CN105109371 A CN 105109371A CN 201510537412 A CN201510537412 A CN 201510537412A CN 105109371 A CN105109371 A CN 105109371A
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- isofix
- chuck
- tooth
- positive stop
- stop strip
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Abstract
The invention belongs to the technical field of car seats, and especially relates to an ISOFIX chuck and a length adjustment mechanism thereof. The ISOFIX chuck comprises a shell formed by approximating and splicing two side plates, and the inner part of the shell is provided with a lock hook main body, a position limiting strip, an insert slice, a lock tension spring, a position limiting tension spring and a release press button. The length adjustment mechanism of the ISOFIX chuck is arranged on the outer part of the ISOFIX chuck and comprises an FIX connection pipe for connecting with a car seat main body; two sliding racks which are symmetrically fixed on the two ends of the FIX connection pipe, and one ISOFIX chuck is slideably arranged in each sliding rack. The ISOFIX chuck is locked through an ISOFIX interface, the external length adjustment mechanism and an inner gear linkage mechanism, the length of the chuck is adjustable, and moreover the structure is simple, the operation process is convenient and the ISOFIX chuck and the length adjustment mechanism are stable and safe.
Description
Technical field
The present invention relates to child seat field, especially relate to a kind of ISOFIX chuck and length adjustment mechanism thereof.
Background technology
Present society is more and more paid attention to child safety seat, also in universal use, more and more higher to the requirement of child safety seat, in order to traveling comfort and the safety of children's ride-on, it is also proposed higher requirement to our design.Child safety seat is that one lies on automobile, for children's ride-on, has the device of constraint function guarantee children safety.Along with the swift and violent increase of automobile pollution, although people take technology and the measure of all advanced persons, children's injures and deaths that traffic accident at present causes still will far away higher than the unexpected injury that other any reasons cause children.Therefore, correctly choose and use automobile children safety chair to be considered to one of method of most available protecting children riding safety.
ISOFIX interface on existing child safety seat is all generally that dead bolt torsional spring resets, and causes ISOFIX very thick, and the regulating tooth that ISOFIX chieftain is connected with seat main body is all fixing in addition; Safety performance is inadequate, and Applicable scope is wide not.
Summary of the invention
The object of the invention is for above-mentioned technical matters, a kind of ISOFIX chuck for automobile children safety chair and length adjustment mechanism thereof are provided.
In order to realize above-mentioned technical purpose, the concrete technical scheme that the present invention adopts is:
A kind of ISOFIX chuck, comprise by two pieces of involutory housings be spliced into of side plate, enclosure interior is provided with latch hook main body, positive stop strip, inserted sheet, locking extension spring, spacing extension spring and release-push; Wherein, latch hook main body described in the rotary setting of enclosure interior front end, described latch hook main body comprises fore shaft, convex teeth portion and recess, the rear portion that enclosure interior is positioned at described latch hook main body is provided with positive stop strip and inserted sheet, described positive stop strip is provided with tooth-strip part intermeshing with described convex teeth portion, described locking extension spring one end is fixedly connected in inner walls, the other end is connected with described inserted sheet, described inserted sheet is conflicted with described latch hook main body and is connected under the predetermincd tension of locking extension spring, and the other end of inserted sheet is fixedly connected with described release-push;
Described spacing extension spring one end is fixedly connected in inner walls, and the other end is connected with described positive stop strip.
Further, described positive stop strip is arranged at below enclosure interior, and described inserted sheet is arranged at above enclosure interior, and described enclosure interior is also respectively equipped with for guiding described positive stop strip and inserted sheet at first limited post, second limited post of described housing inner diameter to movement.
Further, described positive stop strip is provided with the first gib head for connecting described spacing extension spring, and described inserted sheet is provided with the second gib head for connecting described locking extension spring.
The invention also discloses a kind of length adjustment mechanism of described ISOFIX chuck, comprising: FIX connection pipe, for being connected with seat body;
Symmetry is fixed on two balladeur trains at described FIX connection pipe two ends, slide respectively in each described balladeur train and be provided with a described ISOFIX chuck, the sidewall of two balladeur trains has profile of tooth chute, after the two ends of a chuck connection pipe are each passed through two described profile of tooth chutes, ISOFIX chuck described with two is connected respectively;
Each described ISOFIX collet interior is equipped with a locking piece matched with described profile of tooth chute, described locking piece is a connecting rod, one end of described connecting rod is rotatably connected on ISOFIX chuck inwall, and the other end has the bending part stretching out described ISOFIX collet envelope; The top of described bending part is connected with ISOFIX chuck inwall by a stage clip, conflicting with described positive stop strip below of bending part is connected, described positive stop strip is provided with the contact surface that two have diff-H, the first contact surface and the second contact surface respectively, when described bending part contacts with described first contact surface below, described bending part is plugged in described profile of tooth chute simultaneously; When bending part contacts with described second contact surface, described bending part leaves described profile of tooth chute.
5, the length adjustment mechanism of ISOFIX chuck according to claim 4, it is characterized in that, the bottom and upper segment of described bending part is arranged with two projections, is projection and lower convexity respectively, described projection is socketed described stage clip, and described lower convexity is fastened on the outer wall of described profile of tooth chute.
6, the length adjustment mechanism of ISOFIX chuck according to claim 4, it is characterized in that, described profile of tooth chute comprises a multiple pointed tooth portion of row, each described pointed tooth portion is formed by the second hypotenuse of the first hypotenuse and opposite side that are positioned at side, pointed tooth portion, form angle a between described first hypotenuse and horizontal surface, form angle b between described second hypotenuse and horizontal surface, wherein, the angular range of described angle a is: 0 ~ 45 degree, and the angular range of described angle b is: 45 ~ 90 degree.
7, the length adjustment mechanism of ISOFIX chuck according to claim 4, it is characterized in that, same one end of described two balladeur trains is respectively equipped with for carrying out spacing baffle plate to described chuck connection pipe, described chuck connection pipe is provided with fixed support, one regulates one end of extension spring to be connected with described baffle plate, and the other end is connected with described fixed support.
8, the length adjustment mechanism of ISOFIX chuck according to claim 4, is characterized in that, the adapter plate that described balladeur train is comprised tooth plate and combined with described tooth plate by fastener, and described tooth plate offers described profile of tooth chute vertically.
The invention has the beneficial effects as follows:
The present invention achieves ISOFIX adjustable length by ISOFIX interface outer length regulating mechanism and internal gear interlinked mechanism, and structure is simple, easy to operate, stability and safety.
Accompanying drawing explanation
Structural representation when Fig. 1 is ISOFIX chuck of the present invention release;
Structural representation when Fig. 2 is ISOFIX chuck of the present invention locking;
Wherein, 21, release-push; 22, locking piece; 23, inserted sheet; 24, locking extension spring; 25, latch hook main body; 26, positive stop strip; 27, spacing extension spring; 29, stage clip; 265, the first gib head; 232, the second gib head;
Fig. 3 is the structural representation of latch hook main body;
Wherein, 251, fore shaft; 252, convex teeth portion; 253, recess;
Fig. 4 is the assembly drawing of ISOFIX chuck of the present invention and length adjustment mechanism thereof;
Wherein, 16, FIX connection pipe; 17, tooth plate; 18, ISOFIX chuck; 20, adapter plate; 28, chuck connection pipe; 30, extension spring is regulated; 31, baffle plate; 281, fixed support;
Fig. 5 is the structural representation of positive stop strip;
Wherein, the 262, first contact surface; 263, the second contact surface; 264, tooth-strip part;
Fig. 6 is collet interior structural representation;
Wherein, the 231, second limited post; 261, the first limited post;
Fig. 7 is the connection structure front view of locking piece and profile of tooth chute;
Fig. 8 is the block diagram of Fig. 7;
Wherein, 221, bending part; 222, projection; 223, lower convexity;
Fig. 9 is the structural representation of tooth plate;
Wherein, the 171, first hypotenuse; 172, the second hypotenuse.
Detailed description of the invention
Below in conjunction with Figure of description, a kind of ISOFIX chuck of the present invention and length adjustment mechanism thereof are described in further detail, to enable inspector understanding the present invention program clearly.
As shown in Figure 1, Figure 2 and Figure 3, a kind of ISOFIX chuck, comprises by two pieces of involutory housings be spliced into of side plate, is arranged on the latch hook main body 25 in housing, positive stop strip 26, inserted sheet 23, locking extension spring 24, spacing extension spring 27 and release-push 21; Wherein, latch hook main body 25 is rotationally connected with housing forward end, described latch hook main body comprises fore shaft 251, convex teeth portion 252 and recess 253, the rear portion that enclosure interior is positioned at described latch hook main body 25 is respectively equipped with positive stop strip 26 and inserted sheet 23, and positive stop strip 26 is provided with the intermeshing tooth-strip part 264 with described convex teeth portion;
Described locking extension spring 24 one end is fixedly connected in inner walls, and the other end is connected with described inserted sheet 23, and described inserted sheet is conflicted with described latch hook main body 25 and is connected under the predetermincd tension of locking extension spring 24, and the other end of inserted sheet 23 is fixedly connected with described release-push 21;
Described spacing extension spring 27 one end is fixedly connected in inner walls, and the other end is connected with described positive stop strip 26.
Described positive stop strip 26 is arranged at below enclosure interior, described inserted sheet 23 is arranged at above enclosure interior, and described enclosure interior is also respectively equipped with for guiding described positive stop strip 26 and inserted sheet 23 at first limited post 261, second limited post 231 of described housing inner diameter to movement.
The inside locking process of ISOFIX chuck of the present invention is:
When the fore shaft of latch hook main body 25 be in load ISOFIX anchor point corresponding to automobile time pressurized, latch hook main body 25 rotates, latch hook main body 25 epirelief teeth portion drives described positive stop strip 26 to be moved to the left by engaging with positive stop strip 26 upper rack portion 264, inserted sheet 23 is by the pulling force of locking extension spring 24 simultaneously, and reset in the recess 253 of insertion latch hook main body 25, reset followed by release-push 21, realize green display, thus, realize latch functions, now ISOFIX chuck locking.
ISOFIX chuck ISOFIX dispose procedure of the present invention:
Pulled back by release-push 21, drive inserted sheet 23, inserted sheet 23 is exited from the recess 253 latch hook main body 25, the reset strength due to spacing extension spring 27 makes positive stop strip 26 produce thrust, and latch hook main body 25 left-hand revolution is opened.
As shown in Fig. 4 ~ Fig. 9, the present invention further discloses a kind of ISOFIX chuck length adjustment mechanism, is arranged on ISOFIX chuck outside, comprises:
FIX connection pipe 16, for being connected with seat body;
Symmetry is fixed on two balladeur trains at described FIX connection pipe 16 two ends, slide respectively in each described balladeur train and be provided with a described ISOFIX chuck 18, the sidewall of two balladeur trains has profile of tooth chute, the two ends of a chuck connection pipe 28 through after described profile of tooth chute respectively ISOFIX chuck 18 described with two be connected;
Each described ISOFIX collet interior is equipped with a locking piece matched with described profile of tooth chute, described locking piece is a connecting rod, one end of described connecting rod is rotatably connected on ISOFIX chuck inwall, and the other end has the bending part 221 stretching out described ISOFIX collet envelope; The top of bending part 221 is connected with one end of a stage clip 29, stage clip 29 other end is connected with ISOFIX chuck inwall, described positive stop strip 26 is provided with the contact surface that two have diff-H, the first contact surface 262 and the second contact surface 263 respectively, when described bending part 221 contacts with described first contact surface 262, described bending part 262 is plugged in the profile of tooth chute on described carriage side wall, when bending part 221 contacts with described second contact surface 263, described bending part 221 leaves the profile of tooth chute on described carriage side wall.
Further, the bottom and upper segment of described bending part 221 is arranged with two projections, and be projection 222 and lower convexity 223 respectively, described projection 222 is socketed described stage clip 29, described lower convexity 223 is fastened on the lateral wall of described profile of tooth chute.
Further, described profile of tooth chute comprises a multiple pointed tooth portion of row, and second hypotenuse by the first hypotenuse and opposite side that are positioned at side, pointed tooth portion in each described pointed tooth portion is formed.
After ISOFIX chuck locking of the present invention, length adjustment principle is:
As shown in Figure 7, when after ISOFIX locking, positive stop strip 26 moves, and under the predetermincd tension effect of stage clip 29, locking piece 22 acts on due to stage clip 29, downwards, bending part 221 coordinates locked in tooth plate tooth-shape structure with the profile of tooth chute on balladeur train, when being moved toward X-direction by tooth plate, due to the elastic compression effect of stage clip 29, first hypotenuse 171 relative motion, i.e. the ISOFIX chuck contraction in length of locking piece bending part 221 below and in profile of tooth chute;
When tooth plate is moved toward y direction, now, tooth plate second hypotenuse 172 withstands with the back side of locking piece 22, under the predetermincd tension effect of stage clip 29, locking piece 22 is subject to the downward power of Z-direction all the time, and locking piece 22 relatively tooth plate 17 Impact direction is downward all the time, so tooth plate 17 is locked, part 22 withstands and cannot move, namely when after body IOSFIX chuck locking, ISOFIX chuck is not extending.
As the further preferred version of the present invention, angle a is formed between described first hypotenuse and horizontal surface, angle b is formed between described second hypotenuse and horizontal surface, to withstand with the back side of locking piece 22 in order to ensure tooth plate second hypotenuse 172 and relative motion does not occur, wherein, the angular range of described angle a is: 0 ~ 45 degree, and the angular range of described angle b is: 45 ~ 90 degree.
When after ISOFIX chuck release of the present invention, pull back by release-push 21, drive inserted sheet 23, inserted sheet 23 is exited from the recess 253 latch hook main body 25, the reset strength due to spacing extension spring 27 makes positive stop strip 26 produce thrust, and latch hook main body 25 left-hand revolution is opened.Simultaneously, the second contact surface on positive stop strip 26 contacts with the bending part on locking piece 22, locking piece 22 is elevated, the bending part of described locking piece 22 is made to leave profile of tooth chute on described tooth plate 17, can relative movement between ISOFIX chuck and balladeur train, and now ISOFIX chuck can two-wayly arbitrarily move forward backward.
Further, as prioritization scheme of the present invention, one end of described balladeur train is provided with baffle plate, and described chuck connection pipe is provided with fixed support, and one regulates one end of extension spring to be connected with described baffle plate, and the other end is connected with described fixed support.Under the pulling force regulating extension spring, chuck connection pipe is pulled and is fixed on described baffle plate, and now, chuck is in the longest position.
Claims (8)
1. an ISOFIX chuck, is characterized in that, comprise by two pieces of involutory housings be spliced into of side plate, enclosure interior is provided with latch hook main body, positive stop strip, inserted sheet, locking extension spring, spacing extension spring and release-push; Wherein, latch hook main body described in the rotary setting of enclosure interior front end, described latch hook main body comprises fore shaft, convex teeth portion and recess, the rear portion that enclosure interior is positioned at described latch hook main body is provided with positive stop strip and inserted sheet, described positive stop strip is provided with tooth-strip part intermeshing with described convex teeth portion, described locking extension spring one end is fixedly connected in inner walls, the other end is connected with described inserted sheet, described inserted sheet is conflicted with described latch hook main body and is connected under the predetermincd tension of locking extension spring, and the other end of inserted sheet is fixedly connected with described release-push;
Described spacing extension spring one end is fixedly connected in inner walls, and the other end is connected with described positive stop strip.
2. ISOFIX chuck according to claim 1, it is characterized in that, described positive stop strip is arranged at below enclosure interior, described inserted sheet is arranged at above enclosure interior, and described enclosure interior is also respectively equipped with for guiding described positive stop strip and inserted sheet at first limited post, second limited post of described housing inner diameter to movement.
3. ISOFIX chuck according to claim 1, it is characterized in that, described positive stop strip is provided with the first gib head for connecting described spacing extension spring, and described inserted sheet is provided with the second gib head for connecting described locking extension spring.
4. a length adjustment mechanism for ISOFIX chuck as claimed in claim 1, is characterized in that, comprising: FIX connection pipe, for being connected with seat body;
Symmetry is fixed on two balladeur trains at described FIX connection pipe two ends, slide respectively in each described balladeur train and be provided with a described ISOFIX chuck, the sidewall of two balladeur trains has profile of tooth chute, after the two ends of a chuck connection pipe are each passed through two described profile of tooth chutes, ISOFIX chuck described with two is connected respectively;
Each described ISOFIX collet interior is equipped with a locking piece matched with described profile of tooth chute, described locking piece is a connecting rod, one end of described connecting rod is rotatably connected on ISOFIX chuck inwall, and the other end has the bending part stretching out described ISOFIX collet envelope; The top of described bending part is connected with ISOFIX chuck inwall by a stage clip, conflicting with described positive stop strip below of bending part is connected, described positive stop strip is provided with the contact surface that two have diff-H, the first contact surface and the second contact surface respectively, when described bending part contacts with described first contact surface below, described bending part is plugged in described profile of tooth chute simultaneously; When bending part contacts with described second contact surface, described bending part leaves described profile of tooth chute.
5. the length adjustment mechanism of ISOFIX chuck according to claim 4, it is characterized in that, the bottom and upper segment of described bending part is arranged with two projections, is projection and lower convexity respectively, described projection is socketed described stage clip, and described lower convexity is fastened on the outer wall of described profile of tooth chute.
6. the length adjustment mechanism of ISOFIX chuck according to claim 4, it is characterized in that, described profile of tooth chute comprises a multiple pointed tooth portion of row, each described pointed tooth portion is formed by the second hypotenuse of the first hypotenuse and opposite side that are positioned at side, pointed tooth portion, form angle a between described first hypotenuse and horizontal surface, form angle b between described second hypotenuse and horizontal surface, wherein, the angular range of described angle a is: 0 ~ 45 degree, and the angular range of described angle b is: 45 ~ 90 degree.
7. the length adjustment mechanism of ISOFIX chuck according to claim 4, it is characterized in that, same one end of described two balladeur trains is respectively equipped with for carrying out spacing baffle plate to described chuck connection pipe, described chuck connection pipe is provided with fixed support, one regulates one end of extension spring to be connected with described baffle plate, and the other end is connected with described fixed support.
8. the length adjustment mechanism of ISOFIX chuck according to claim 4, is characterized in that, the adapter plate that described balladeur train is comprised tooth plate and combined with described tooth plate by fastener, and described tooth plate offers described profile of tooth chute vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510537412.3A CN105109371B (en) | 2015-08-27 | 2015-08-27 | A kind of ISOFIX chucks and its length adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510537412.3A CN105109371B (en) | 2015-08-27 | 2015-08-27 | A kind of ISOFIX chucks and its length adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105109371A true CN105109371A (en) | 2015-12-02 |
| CN105109371B CN105109371B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510537412.3A Active CN105109371B (en) | 2015-08-27 | 2015-08-27 | A kind of ISOFIX chucks and its length adjustment mechanism |
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| CN (1) | CN105109371B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105644397A (en) * | 2016-04-07 | 2016-06-08 | 宁波永驰婴童用品有限公司 | ISOFIX (International Standards Organization FIX) assembly of child safety seat |
| CN108312913A (en) * | 2018-02-13 | 2018-07-24 | 谭伟 | A kind of ISOFIX connectors that improved child safety seat uses |
| CN108407682A (en) * | 2018-05-15 | 2018-08-17 | 上海沃雨电子科技有限公司 | ISOFIX electric unlocking mechanisms |
| CN108790971A (en) * | 2018-06-20 | 2018-11-13 | 北京奇宝科技有限公司 | Child safety seat |
| CN109526177A (en) * | 2018-12-06 | 2019-03-26 | 蚌埠泰欣电子科技有限公司 | A kind of side control installation base plate for operating cabinet |
| EP4344943A1 (en) * | 2022-09-29 | 2024-04-03 | Ningbo Baby First Baby Products Co., Ltd. | Isofix telescopic mechanism and safety seat |
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| CN205022400U (en) * | 2015-08-27 | 2016-02-10 | 江苏百佳斯特汽车制品有限公司 | ISOFIX chuck and length adjustment mechanism thereof |
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| JP2007253941A (en) * | 2006-03-23 | 2007-10-04 | Sabelt Spa | Snap adaptation type adjustment device between reciprocally mobile support and structure |
| CN101314332A (en) * | 2007-05-30 | 2008-12-03 | 高田株式会社 | Child seat |
| CN103042955A (en) * | 2011-10-11 | 2013-04-17 | 常州博万达汽车安全设备有限公司 | Connection device for fixing child seat on international standards organization fix (ISOFIX) interface |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644397A (en) * | 2016-04-07 | 2016-06-08 | 宁波永驰婴童用品有限公司 | ISOFIX (International Standards Organization FIX) assembly of child safety seat |
| CN108312913A (en) * | 2018-02-13 | 2018-07-24 | 谭伟 | A kind of ISOFIX connectors that improved child safety seat uses |
| CN108407682A (en) * | 2018-05-15 | 2018-08-17 | 上海沃雨电子科技有限公司 | ISOFIX electric unlocking mechanisms |
| CN108407682B (en) * | 2018-05-15 | 2023-05-12 | 上海沃雨电子科技有限公司 | ISOFIX electric unlocking mechanism |
| CN108790971A (en) * | 2018-06-20 | 2018-11-13 | 北京奇宝科技有限公司 | Child safety seat |
| CN108790971B (en) * | 2018-06-20 | 2024-05-14 | 北京奇宝科技有限公司 | Child safety seat |
| CN109526177A (en) * | 2018-12-06 | 2019-03-26 | 蚌埠泰欣电子科技有限公司 | A kind of side control installation base plate for operating cabinet |
| EP4344943A1 (en) * | 2022-09-29 | 2024-04-03 | Ningbo Baby First Baby Products Co., Ltd. | Isofix telescopic mechanism and safety seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105109371B (en) | 2017-07-11 |
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Address after: No. 18, Yangzi River Road, new area of Zhenjiang, Jiangsu Province Patentee after: Jiangsu safety seat Technology Co., Ltd. Address before: 212028 168 Rui Shan Road, Dantu New District, Zhenjiang, Jiangsu Patentee before: Jiangsu Best Baby Car Seat MFG. Co., Ltd. |
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