CN203460733U

CN203460733U - LATCH (Lower Anchors and Tethers for Children) system fixing device

Info

Publication number: CN203460733U
Application number: CN201320584991.3U
Authority: CN
Inventors: 曹旸
Original assignee: JIANGSU LUCKY BABY SAFETY SYSTEM Manufacturing Co Ltd
Current assignee: JIANGSU LUCKY BABY SAFETY SYSTEM Manufacturing Co Ltd
Priority date: 2013-09-23
Filing date: 2013-09-23
Publication date: 2014-03-05
Anticipated expiration: 2023-09-23

Abstract

The utility model relates to a LATCH (Lower Anchors and Tethers for Children) system fixing device which comprises a main frame, a housing, a fixed hook and a push button, wherein the housing is arranged on the main frame; an opening is formed in the front end of the housing, and an anchor position shaft can be clamped in the opening; the middle of the fixed hook is connected onto the main frame of the housing via a fixed hook shaft; the push button is arranged at the rear end of the housing; a front hook and a rear hook which are corresponding to the opening and the push button are respectively arranged at the front part and the rear part of the fixed hook; a slide block which is supported in the main frame in a sliding manner is arranged in the housing; the fixed hook is connected with the slide block via a clamping spring which staggers the fixed hook shaft in the telescopic direction; a bayonet for clamping the anchor position shaft is formed between the front part of the slide block and the front hook of the fixed hook; a propping groove is formed in the slide block in the front and the rear positions; the push button is connected with the slide block through a propping shaft penetrating the propping groove; the propping shaft is connected with the slide block via a propping spring; the propping shaft is propped against the bottom end of the rear hook of the fixed hook; the upper end and/or the rear end of the rear hook of the fixed hook smoothly transit/transits opposite to the push button, and are/is propped against the push button. The LATCH system fixing device is simple in structure, convenient to use, stable, safe, long in service life, and suitable for the LATCH system.

Description

A kind of LATCH system fixing device

Technical field

The utility model relates to a kind of child restraint system fixing device, is a kind of child restrainnt system LATCH system fixing device specifically.

Background technology

LATCH is the abbreviation of " Lower Anchors and Tethers for Children ", translator of Chinese is " the lower fastener that children use and fasten band ", since on September 1st, 2002, the U.S. just car of regulation almost all kinds must provide the child safety seat fixed form of LATCH system.The difference of LATCH and the ISOFIX fixed form maximum of European standard is hook attachment point than ISOFIX many, LATCH and ISO two cover systems have two lower interfaces, LATCH interface is interface on above back seat many one, and LATCH interface is to fix by three hooks and safety strap.

The existing patent No. is the connecting device of 200920121196.4 disclosed a kind of child safety constrained systems, adopt buckle clamping automobile attachment point with bayonet, buckle is realized respectively locking and the disengagement with automobile attachment point under the effect of ejection piece and torsion spring, its weak point is: buckle not during locking ejector member by spring, pushed against on buckle, when buckle locking, ejector member is pushed against by spring in buckle upper notch, spring is all the time in compressive state, elastic compression changes the original form of spring for a long time, spring easily lost efficacy, connecting device is short service life, and for example the patent No. is the connecting device on 201110308038.1 disclosed ISOFIX interfaces, adopts with the ratchet of draw-in groove and under the effect of torsion spring and pull bar, realizes respectively locking and the disengagement with automobile interface.The upper connecting device using of above-mentioned two kinds of ISOFIX, all throws off clamping by pulling ejection piece or pull bar to realize, and must overcome the antagonistic force of spring or torsion spring, pulls effort, operation inconvenience.As while being used in LATCH system, at the non-interface end safety harness of connecting device housing, non-interface end has ejection piece or pull bar to stretch out, affect connecting device structure use and attractive in appearance, as safety harness on ejection piece or pull bar, during belt pull, easy and automobile attachment point disengagement locking, is not all suitable for the fixedly use of LATCH system.

Summary of the invention

For above-mentioned deficiency, it is a kind of simple in structure, compact, easy to operate, laborsaving that the utility model provides, and uses stable, safety, life-span long, and applicable safety strap and automobile attachment point articulate the LATCH system fixing device of use.

The technical solution adopted in the utility model is: a kind of LATCH system fixing device, comprise body frame, shell, stay hook and push button, shell is arranged on body frame, shell front end is provided with the opening that can snap in anchor position axle, on the body frame that stay hook middle part is coupling in shell through stay hook, push button is arranged at outer casing back, before stay hook, rear portion be respectively equipped with corresponding opening and push button before, rear hook, its technical characterstic is in described shell, to be provided with the slide block of a sliding bearing on body frame, between stay hook and slide block, through the stagger clamping spring of stay hook axle of flexible direction, be connected, before slide block front portion and stay hook, between hook, form the bayonet socket of a clamping anchor position axle, slide block is provided with before shell, rear to hold out against groove, push button holds out against groove connection sliding block through lifting axe cross-under, between lifting axe and slide block, through holding out against spring, be connected, lifting axe holds out against hook bottom after stay hook, hook upper end and/or rear end push button rounding off and push against push button dorsad after stay hook.

Further, movable or be fixedly connected with a push shaft that is parallel to lifting axe on described push button, push shaft pushes against hook upper end and/or rear end after stay hook.

Further, the slide block connection that holds out against that described lifting axe is arranged on body frame or slide block through a slip holds out against spring.

Again further, on the body frame of described outer casing back, arrange safety with holes.

During connecting device front opening clamping riveting position axle, before riveting position axle promotes stay hook, hook is around stay hook axle Unscrew opening, after stay hook, hook holds out against spring through lifting axe along holding out against groove compression around the rotation of stay hook axle simultaneously, riveting position axle is entered in bayonet socket by opening, hold out against spring reaction power hook hook spinning reduction sealing opening before the rotation of stay hook axle makes stay hook after lifting axe drives stay hook, complete riveting position axle and be connected with the locking of connecting device, now riveting position axle pushes against through clamping spring with slip front in bayonet socket; When connecting device front opening is thrown off riveting position axle, press push button, push button drive lifting axe along hold out against groove compression hold out against spring make lifting axe throw off with stay hook after the holding out against of hook bottom, after after the push shaft of push button drive simultaneously promotion stay hook, the rounding off of hook upper end drives stay hook, hook is rotated down around stay hook axle, before stay hook, hook is opened opening around stay hook axle, clamping spring reaction power ejects bayonet socket through slip front by riveting position axle, completes the disengagement of riveting position axle and connecting device.

Adopt above technical scheme, the beneficial effects of the utility model are: when anchor fitting is fixedly connected with automobile, riveting position axle is connected in bayonet socket, and by front hook and slip front elastic restraint, clamping is stable, firm; Anchor fitting is thrown off automobile fixedly time, and lifting axe is thrown off and held out against rear hook, and the stay hook of push shaft promotion simultaneously Unscrew opening, throws off easy to operate, laborsaving; Clamping spring with hold out against spring and only at anchor fitting, be fixedly connected with state in deformation state, avoid the original form always causing in deformation state to change, can effectively extend anchor fitting service life; Body frame, through safety safety harness with holes, is not connected with safety strap with disengaged part with the fixedly locking in shell at body frame, can further improve in-use performance and the service life of anchor fitting, is applicable to LATCH system and uses.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

In figure: riveting position axle 1, body frame 2, shell 3, opening 31, stay hook 4, front hook 41, rear hook 42, bayonet socket 43, stay hook axle 5, slide block 6, clamping spring 7, holds out against groove 8, and lifting axe 9 holds out against spring 10, holds out against slide block 11, push button 12, push shaft 13, safety with holes 14.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Shown in Fig. 1, a kind of LATCH system fixing device comprises body frame 2, shell 3, stay hook 4, stay hook axle 5, slide block 6, clamping spring 7, hold out against groove 8, lifting axe 9, hold out against spring 10, hold out against slide block 11, push button 12 and push shaft 13, shell 3 is arranged on body frame 2, and shell 3 front ends are provided with the opening 31 that can snap in anchor position axle 1, safety with holes 14 is set on the body frame 2 of outer casing back, stay hook 4 middle parts are pinned on the body frame in shell through stay hook axle 5, and push button 12 is arranged at outer casing back, before stay hook, rear portion be respectively equipped with corresponding opening and push button before,

rear hook

41, 42, in shell 3, be provided with the slide block 6 of a sliding bearing on body frame 2, between stay hook 4 and slide block 6, through the stagger clamping spring 7 of stay hook axle of flexible direction, is connected, forms the bayonet socket 43 of a clamping anchor position axle 1 between the anterior and front hook 41 of stay hook of slide block 6, slide block 6 is provided with before shell 3, rear to hold out against groove 8, push button 12 holds out against groove 8 connection sliding blocks 6 through lifting axe 9 cross-under, between lifting axe 9 and slide block 6 through holding out against spring 10 and holding out against slide block 11 and be connected, lifting axe 9 holds out against hook 42 bottoms after stay hook, hook 42 upper ends and/or rear end push button rounding off dorsad after stay hook, movable or be fixedly connected with a push shaft 13 that is parallel to lifting axe on push button 12, push shaft 13 pushes against hook 42 upper ends and/or rear end after stay hook.

Claims

1. a LATCH system fixing device, comprise body frame, shell, stay hook and push button, shell is arranged on body frame, shell front end is provided with the opening that can snap in anchor position axle, on the body frame that stay hook middle part is coupling in shell through stay hook, push button is arranged at outer casing back, before stay hook, rear portion be respectively equipped with corresponding opening and push button before, rear hook, it is characterized in that: in described shell, be provided with the slide block of a sliding bearing on body frame, between stay hook and slide block, through the stagger clamping spring of stay hook axle of flexible direction, be connected, before slide block front portion and stay hook, between hook, form the bayonet socket of a clamping anchor position axle, slide block is provided with before shell, rear to hold out against groove, push button holds out against groove connection sliding block through lifting axe cross-under, between lifting axe and slide block, through holding out against spring, be connected, lifting axe holds out against hook bottom after stay hook, hook upper end and/or rear end push button rounding off and push against push button dorsad after stay hook.

2. a kind of LATCH system fixing device according to claim 1, is characterized in that: movable or be fixedly connected with a push shaft that is parallel to lifting axe on described push button, push shaft pushes against hook upper end and/or rear end after stay hook.

3. a kind of LATCH system fixing device according to claim 1, is characterized in that: the slide block connection that holds out against that described lifting axe is arranged on body frame or slide block through a slip holds out against spring.

4. a kind of LATCH system fixing device according to claim 1, is characterized in that: safety is set with holes on the body frame of described outer casing back.