CN105034879A

CN105034879A - ISOFIX interface connector

Info

Publication number: CN105034879A
Application number: CN201510537293.1A
Authority: CN
Inventors: 曹旸
Original assignee: 江苏百佳斯特汽车制品有限公司
Priority date: 2015-08-27
Filing date: 2015-08-27
Publication date: 2015-11-11
Also published as: CN105034879B

Abstract

The invention relates to an ISOFIX interface connector. The ISOFIX interface connector comprises a housing, a clamp hook piece, an insertion piece, a torsional spring and a spring, wherein a bayonet, a concave opening and a gap are formed in the clamp hook piece, and the clamp hook piece is sleeved with the torsional spring through the gap and is rotatably connected to the front end of a front section of the housing. The insertion piece comprises a front slide block and a rear release rod, wherein the rear release rod extends out of a rear section of the housing. Two ends of the spring are respectively connected to the inner wall of the housing and one end of the front slide block, and the other end of the front slide block is in pre-tightening connection with the clamp hook piece under the pre-tightening force of the spring. Two pairs of symmetrical protrusion structures are arranged on two sides of the front slide block in the axial direction and are first protrusion structures located at the front end of the front section of the housing and second protrusion structures located at the tail end of the front section of the housing respectively. Long slide grooves corresponding to the first protrusion structures and the second protrusion structures are formed in the side wall of the housing. One release structure for release is added based on an existing ISOFIX interface for accident prevention.

Description

A kind of ISOFIX interface connector

Technical field

The invention belongs to child's safety seat for vehicle field, particularly a kind of ISOFIX interface connector.

Background technology

ISOFIX interface is a kind of international child safety seat standard interface, and the child safety seat being furnished with ISOFIX interface connector can be connected with the automotive seat of band the corresponding interface the child safety seat that is locked.

A kind of ISOFIX joint connecting structure is disclosed in the patent of invention " a kind of child safety seat IOSFIX connecting device " of the first patent No. 201220211314.2, it comprises shell and establishes latch hook, slide block, connecting element and rear portion trigger bar in the inner and the parts such as spring, torsion spring, and its housing is spliced by two blocks of side plates are involutory.During use, latch hook overcomes the rotation of torsion spring pulling force, on latch hook recess with latch hook rotate and slip front male cooperation realize lock, pull rear portion trigger bar band movable slider to retreat when unlocking and make aforementioned projection depart from recess, torsion spring reset promotes latch hook and goes back to original position.Although this connecting device can realize can providing stable with comparatively simple structure, firmly ISOFIX interface connects, the installing component quantity of this connecting device is too much, and assembling complexity, have impact on assembling speed and production efficiency further.

Existing ISOFIX interface as shown in Figure 1, inner inserted sheet is provided with symmetrical protruding near one end of hooking clip, on left side plate, corresponding described symmetrical projection is provided with microscler breach, the object of this microscler breach and symmetrical male cooperation is in order to FIX chuck anti-shock strength needs, plays the effect strengthening FIX chuck anti-shock strength further;

When automobile collides, child safety seat is arranged on automobile, now, FIX chuck is in the lock state, and the power of bearing due to FIX chuck during collision is very large, has the possibility destroying normal release FIX chuck connection structure, now, can stir above-mentioned symmetrical protruding with sharp weapon, the symmetry of stirring above-mentioned indentation, there to release FIX direction is protruding, can unlock FIX chuck; The i.e. above-mentioned symmetrical protruding additional function that simultaneously can also play emergency release;

But, when chuck is arranged on automotive seat, outside can put FIX plastic jacket, above-mentioned symmetrical projection is covered, and after FIX chuck locks on automotive seat, this symmetrical projection is often inner at automotive seat, cannot touch, now, if be in an emergency, when normal method for releasing lost efficacy, FIX chuck then cannot discharge, or release is the devil.

Summary of the invention

The technical problem to be solved in the present invention overcomes the technical matters existed in first patent, provides a kind of structure simple ISOFIX interface structure, and when losing efficacy when normal method for releasing, one can be provided to remedy releasing structure, prevent unexpected generation.

In order to solve the problems of the technologies described above, the present invention by the following technical solutions:

A kind of ISOFIX interface connector, comprises shell, hooking clip, inserted sheet, torsion spring and spring, and wherein, described shell comprises the shell back segment be connected with seat body and to save and the shell leading portion that stretches out seat body outside saves;

Hooking clip is provided with bayonet socket, recess and breach, hooking clip has torsion spring by described breach cover and is rotationally connected with shell leading portion joint front end;

Described inserted sheet comprises anterior slide block and rear portion trigger bar, and rear portion trigger bar stretches out from described shell back segment joint; The two ends of spring are connected with outer casing inwall and anterior slide block one end respectively, the anterior slide block other end under the predetermincd tension of described spring with the pre-stressed joint of described hooking clip; It is characterized in that, the both sides of described anterior slide block are provided with two bulge-structures to symmetry vertically, are be positioned at the first bulge-structure of shell leading portion joint front end and be positioned at the second bulge-structure of shell leading portion joint tail end respectively; On side wall of outer shell, corresponding described first bulge-structure and the second bulge-structure is provided with microscler chute.

Further, described shell is spliced by left and right two blocks of side plates are involutory.

Further, the inside, front end of described shell leading portion joint is provided with the first registration mast, sheathed described hooking clip and torsion spring on the first registration mast, and the upper end torque arm of torsion spring withstands on left side plate inwall, and lower end torque arm hooks at hooking clip down gap place.

Further, the overcoat that is socketed in described left and right side plate outside is also comprised.

Further, described outer putting corresponding described left and right side plate opens microscler chute place is provided with openable window structure.

Further, the second bulge-structure place on described inserted sheet is provided with the groove structure conveniently stirring inserted sheet.

Further, be provided with two guideposts in described shell, described two guideposts are used for leading to described inserted sheet.

Further, described overcoat is Plastic Parts.

The beneficial effect of a kind of ISOFIX interface connector of the present invention is:

The basis of existing ISOFIX interface adds a releasing structure for discharging, specifically newly increase a bulge-structure at ISOFIX interface connector shell leading portion joint tail end, and the window structure that can open or close is offered in the position newly increasing bulge-structure on the plastic wrapper of shell described in correspondence, when emergency situation, normal released mode lost efficacy, then start emergency treatment scheme, the plastic sheet at window structure place on FIX plastic jacket is broken down, use sharp weapon again, such as key or other hardware stir inserted sheet to release direction, realize the release of FIX chuck.

Accompanying drawing explanation

Fig. 1 is the exploded view of existing ISOFIX interface structure;

Wherein, 3 ' is existing ISOFIX interface plate-inserting structure, and 321 ' is the symmetry projection on existing ISOFIX interface inserted sheet;

Fig. 2 is the exploded view of ISOFIX interface structure of the present invention;

Wherein, 1 is left and right two blocks of side plates, and 2 is hooking clip, and 3 is inserted sheet, and 4 is torsion spring, and 5 is spring, and 6 is the first registration mast, and 7 is two guideposts, and 11 is shell leading portion joint, and 12 is shell back segment joint, and 13 is microscler chute, and 21 is bayonet socket, and 22 is recess, and 23 is breach;

Fig. 3 is the assembly drawing of ISOFIX interface structure of the present invention;

Wherein, 8 is housing, and 81 is window structure

Fig. 4 is insert mechanism schematic diagram;

Wherein, 31 is rear portion trigger bar, and 32 is anterior slide block, and 321 is the first bulge-structure, and 322 is the second bulge-structure.

Detailed description of the invention

Illustrate that the present invention is described further with detailed description of the invention below in conjunction with accompanying drawing.

As shown in Figure 2, a kind of ISOFIX interface connector, comprises shell, hooking clip 2, inserted sheet 3, torsion spring 4 and spring 5, wherein, described shell comprise the shell back segment be connected with seat body save 12 and the shell leading portion that stretches out seat body outside save 11;

Hooking clip 2 is provided with bayonet socket 21, recess 22 and breach 23, hooking clip 2 is had torsion spring 4 by described breach 23 cover and is rotationally connected with shell leading portion and saves 11 front ends;

Described inserted sheet 3 comprises anterior slide block 32 and rear portion trigger bar 31, and rear portion trigger bar 31 stretches out from described shell back segment joint 12; Connected with outer casing inwall and anterior slide block 32 one end respectively, two ends of spring 5, anterior slide block 32 other end is the pre-stressed joint with described hooking clip 2 under the predetermincd tension of described spring 5;

As shown in Figure 4, the both sides of described anterior slide block 32 are provided with two bulge-structures to symmetry vertically, are be positioned at the first bulge-structure 321 of shell leading portion joint front end and be positioned at the second bulge-structure 322 of shell leading portion joint tail end respectively; On side wall of outer shell, corresponding described first bulge-structure 321 and the second bulge-structure 322 is provided with microscler chute 13.

When FIX chuck is in release position, inserted sheet 3 is under the predetermincd tension effect of spring 5, all the time hooking clip 2 is withstood near hooking clip 2 one end, torsion spring 4 is equipped with in hooking clip 2 both sides, torsion spring 4 upper end withstands on left and right side plate 1 inwall, lower end hooks at hooking clip 2 down gap 23 place, and torsion spring 4 provides predetermincd tension for hooking clip 2 resets.

When FIX chuck is in locking state, the stressed rotation of snap fit sheet 2, torsion spring 4 moment increases, and when to a certain extent, inserted sheet 3 withstands on hooking clip 2 one end and puts in hooking clip 2 recess 22 under the effect of spring 5 predetermincd tension, then FIX chuck locking; When moving inserted sheet 3 to release direction, insert hooking clip 2 one end and depart from hooking clip 2 recess 22, hooking clip 2 resilience under torsion spring 4 predetermincd tension, replys original releasing position.

Further, the overcoat that is socketed in described left and right side plate outside is also comprised.Described outer putting corresponding described left and right side plate opens microscler chute place is provided with openable window structure.

As shown in Figure 3, when FIX chuck is arranged on automotive seat, described first bulge-structure 321 mainly plays the effect strengthening FIX chuck anti-shock strength further in this scheme;

Upon occurrence of an emergency situation, normal released mode lost efficacy, and outer put window structure by described and break down, then use sharp weapon, such as key or other hardware stir inserted sheet to release direction, realize the release of FIX chuck.

Claims

1. an ISOFIX interface connector, comprises shell, hooking clip, inserted sheet, torsion spring and spring, and wherein, described shell comprises the shell back segment be connected with seat body and to save and the shell leading portion that stretches out seat body outside saves;

2. ISOFIX interface connector according to claim 1, is characterized in that, described shell is spliced by left and right two blocks of side plates are involutory, and on left and right side plate, corresponding described first bulge-structure and the second bulge-structure is provided with microscler chute.

3. ISOFIX interface connector according to claim 1, it is characterized in that, the inside, front end of described shell leading portion joint is provided with the first registration mast, sheathed described hooking clip and torsion spring on first registration mast, the upper end torque arm of torsion spring withstands on left side plate inwall, and lower end torque arm hooks at hooking clip down gap place.

4. the ISOFIX interface connector according to claim, is characterized in that, also comprises the overcoat that is socketed in described left and right side plate outside.

5. ISOFIX interface connector according to claim 4, is characterized in that, described outer putting on corresponding described left and right side plate opens the window structure that microscler chute place is provided with convenient unlatching.

6. ISOFIX interface connector according to claim 1, is characterized in that, the second bulge-structure place on described inserted sheet is provided with the groove structure conveniently stirring inserted sheet.

7. ISOFIX interface connector according to claim 1, is characterized in that, is provided with two guideposts in described shell, and described two guideposts are used for leading to described inserted sheet.

8. the ISOFIX interface connector according to claim 4 or 5, is characterized in that, described overcoat is Plastic Parts.