CN104691372B

CN104691372B - A kind of LATCH

Info

Publication number: CN104691372B
Application number: CN201510067248.4A
Authority: CN
Inventors: 郭壁蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-02-09
Filing date: 2015-02-09
Publication date: 2017-08-08
Anticipated expiration: 2035-02-09
Also published as: CN104691372A

Abstract

The present invention relates to infant seat for automobiles, more particularly, to the LATCH that infant seat for automobiles is fixed on to automotive seat.A kind of LATCH, including two block frame plates be arrangeding in parallel, and the hook being folded between two block frame plates, hook is articulated on two block frame plates by bearing pin, it can rotate, the front end of hook has a hook part, and the rear portion of hook is abutted against with a compression spring, the elastic force of compression spring is to being to make hook part tend to close up, it is characterised in that：Also include a pull-button, pull-button has a sliding surface, and the rear portion of hook also has a sliding surface, and pull-button sliding surface is abutted against with hook sliding surface, and when pull-button is slided backward, withstanding effect makes the hook part of hook tend to open.The present invention LATCH, opening coupler body is pulled back by pull-button, takes advantage of a situation and takes out LATCH immediately rearward, operation and for convenience.

Description

A kind of LATCH

Technical field

The present invention relates to infant seat for automobiles, more particularly, to the LATCH that infant seat for automobiles is fixed on to automotive seat.

Background technology

LATCH has become standard appellation in the industry, such as Chinese patent literature CN103507679A, current by automobile baby Seat is fixed on the LATCH of automotive seat, and such as Chinese patent literature CN203460733U is disclosed, and a kind of LATCH systems fix dress Put, including body frame, shell, stay hook and push button, shell is arranged on body frame, case nose is provided with can be caught in opening for anchor position axle Mouthful, it is connected in the middle part of stay hook through stay hook axle on the body frame in shell, push button is arranged at outer casing back, the front and rear portions of stay hook It is respectively equipped with slidably supported in the sliding block on body frame, stay hook provided with one in the forward and backward hook of corresponding opening and push button, the shell Be connected between sliding block through the stagger clamping spring of stay hook axle of telescopic direction, sliding block is anterior and stay hook before form one between hook The bayonet socket of clamping anchor position axle, sliding block is provided with the groove that holds out against along shell front and rear direction, and push button is worn to connect through lifting axe holds out against groove connection Sliding block, through holding out against spring connection between lifting axe and sliding block, lifting axe holds out against hook upper end after hook bottom after stay hook, stay hook And/or rear end dorsad push button rounding off and push against push button.

However, it is still not succinct enough for existing LATCH structures, baby seat and LATCH are removed by push button, operated On it is also inconvenient because the thrust of push button and taking out LATCH pulling force contrast, could be completed with very big finger power, no It is convenient also laborious.

The content of the invention

A kind of LATCH simple for structure is provided it is an object of the invention to overcome above-mentioned the deficiencies in the prior art part； The present invention also aims to provide a kind of easy to operate LATCH；The present invention also aims to provide a kind of school low cost LATCH.

The purpose of the present invention can be achieved through the following technical solutions.

A kind of LATCH, including two block frame plates be arrangeding in parallel, and the hook being folded between two block frame plates, hook pass through Bearing pin is articulated on two block frame plates, can be rotated, and the front end of hook has a hook part, and the rear portion of hook offsets with a compression spring Connect, the elastic force of compression spring is to being to make hook part tend to close up, it is characterised in that：Also include a pull-button, pull-button has a sliding surface, The rear portion of hook also has a sliding surface, and pull-button sliding surface is abutted against with hook sliding surface, when pull-button is slided backward, withstanding effect The hook part of hook is set to tend to open.

The purpose of the present invention can also be achieved through the following technical solutions.

A kind of LATCH, it is characterised in that：The two block frames front edge of board has opening, when the hook part of hook closes up, hook part position Intraoral in open-shelf plate, when the hook part of hook is opened, the frame plate opening is left in hook part.

A kind of LATCH, it is characterised in that：The bearing pin is the rivet being riveted on two block frame plates.

A kind of LATCH, it is characterised in that：Two pieces are fixed by rivet interlacement.

A kind of LATCH, it is characterised in that：Also include housing, housing is arranged on outside frame plate, and housing forward end has opening, When the hook part of hook closes up, positioned at opening, housing is intraoral for hook part, and when the hook part of hook is opened, the shell nozzle is left in hook part.

A kind of LATCH, it is characterised in that：The pull-button is arranged on the slideway that the frame plate is surrounded jointly with the housing It is interior.

A kind of LATCH, it is characterised in that：The rear also has elongated hole, and the pull-button has a drawing portion, drawing portion It is exposed to by the elongated hole outside housing.

A kind of LATCH, it is characterised in that：One of frame plate rear end is arranged in outside housing, and this one end is also set Ribbon square hole.

A kind of LATCH, it is characterised in that：Also include housing, housing is arranged on outside frame plate, and housing forward end has opening, When the hook part of hook closes up, positioned at opening, housing is intraoral for hook part, and when the hook part of hook is opened, the shell nozzle is left in hook part；Institute Pull-button is stated to be arranged in the slideway that the frame plate is surrounded jointly with the housing；The rear also has elongated hole, the pull-button With a drawing portion, drawing portion is exposed to outside housing by the elongated hole；One of frame plate rear end be arranged in housing it Outside, this one end also sets ribbon square hole.

A kind of LATCH, it is characterised in that：Also include housing, housing is arranged on outside frame plate, the two block frames plate and housing Front end there is opening, when the hook part of hook closes up, hook part is located in opening, when the hook part of hook is opened, and hook part is left described Opening；The bearing pin is the rivet being riveted on two block frame plates；Two block frame plates are fixed by rivet interlacement.

The present invention LATCH, opening coupler body is pulled back by pull-button, takes advantage of a situation and takes out LATCH immediately rearward, operation and For convenience；Compared with prior art, structure is more succinct, and processing cost is low.

Brief description of the drawings

Fig. 1 is the appearance schematic diagram of first embodiment of the invention.

Fig. 2 is the schematic diagram of the unilateral housing of removing of first embodiment of the invention.

Fig. 3 is the hook part closed configuration schematic diagram that first embodiment of the invention removes unilateral housing and a block frame plate.

Fig. 4 is the hook part open mode schematic diagram that first embodiment of the invention removes unilateral housing and a block frame plate.

Embodiment

Below in conjunction with accompanying drawing, the invention will be further described.

With reference to Fig. 1-4, first embodiment of the invention is a kind of LATCH, including two block frame plates 102/ be arrangeding in parallel 103, and the hook 101 being folded between two block frame plates 102/103, link up with 101 and two block frame plates 102/ are articulated in by bearing pin 107 It on 103, can rotate, with reference to Fig. 4, in order to not block other parts, the position of bearing pin 107 is simply shown, bearing pin is not shown 107, the front end of hook 101 has a hook part 1011, and the rear portion of hook 101 is abutted against with a compression spring 105, compression spring 105 elastic force is to being to make hook part 1011 tend to close up, in addition to a pull-button 104, and pull-button 104 has a sliding surface 1041, hook 101 rear portion also has a sliding surface 1012, and pull-button sliding surface 1041 is abutted against with hook sliding surface 1012, and pull-button 104 is backward During slip, withstanding effect makes the hook part 1011 of hook 101 tend to open.A kind of LATCH also includes housing 106, and housing 106 is set Outside frame plate 102/103, the front end of the two block frames plate 102/103 and housing 106 has opening 108, shows with reference to Fig. 2, Fig. 4 Go out opening 108, when the hook part 1011 of hook 101 closes up, hook part 1011 is located in opening 108, and the hook part 1011 of hook 101 is opened When, the opening 108 is left in hook part 1011；The housing 106 is plastic parts, is made two, installs frame plate 102/103 and frame In plate after part, two housings are combined as a whole by ultrasonic fusing, the bearing pin 107 is to be riveted on two block frame plates 102/ Rivet on 103；Two block frame plates are fixed by other rivet interlacements.The pull-button 104 is arranged on the frame plate 102/103 and institute State in the slideway that the body of shell 106 is surrounded jointly；There is elongated hole at the rear portion of housing 106, and the pull-button 104 has a drawing portion 1042, drawing portion 1042 is exposed to outside the 106 of housing by the elongated hole；One of them rear end of frame plate 102 of the frame plate 102/103 It is arranged in outside housing 106, this one end 1021 also sets ribbon square hole 1022.The LATCH of the present embodiment, passes through pull-button 104 Opening coupler body 101 is pulled back, takes advantage of a situation and takes out LATCH immediately rearward, than the one hand scheme that pushes away but also draws not only, operation and to be square Just.

Claims

1. a kind of LATCH, including two block frame plates be arrangeding in parallel, and the hook being folded between two block frame plates, hook pass through pin Axle is articulated on two block frame plates, can be rotated, and the front end of hook has a hook part, and the rear portion of hook offsets with a compression spring Connect, the elastic force of compression spring is to being hook part is tended to the rotation direction closed up, it is characterised in that：Also include a pull-button, pull-button tool There is a sliding surface, the rear portion of hook also has a sliding surface, and pull-button sliding surface is abutted against with hook sliding surface, and pull-button is slided backward When, withstanding effect makes the hook part of hook tend to open；Also include housing, housing is arranged on outside frame plate, housing forward end, which has, to be opened Mouthful, when the hook part of hook closes up, hook part is located in shell nozzle, and when the hook part of hook is opened, the shell nozzle is left in hook part.

2. a kind of LATCH according to claim 1, it is characterised in that：The two block frames front edge of board has opening, hook When hook part closes up, hook part is located in frame plate opening, and when the hook part of hook is opened, the frame plate opening is left in hook part.

3. a kind of LATCH according to claim 1, it is characterised in that：The bearing pin is the riveting being riveted on two block frame plates Nail.

4. a kind of LATCH according to claim 1, it is characterised in that：Two block frame plates are fixed by rivet interlacement.

5. a kind of LATCH according to claim 1, it is characterised in that：The pull-button is arranged on the frame plate and the shell In the slideway that body is surrounded jointly.

6. a kind of LATCH according to claim 1, it is characterised in that：The rear also has elongated hole, the pull-button tool There is a drawing portion, drawing portion is exposed to outside housing by the elongated hole.

7. a kind of LATCH according to claim 1, it is characterised in that：One of frame plate rear end is arranged in housing Outside, this one end also sets ribbon square hole.

8. a kind of LATCH according to claim 1, it is characterised in that：The pull-button is arranged on the frame plate and the shell In the slideway that body is surrounded jointly；The rear also has elongated hole, and the pull-button has a drawing portion, and drawing portion passes through the length Hole is exposed to outside housing；One of frame plate rear end is arranged in outside housing, and this one end also sets ribbon square hole.