CN209556654U

CN209556654U - A kind of mute motor vehicle door lock

Info

Publication number: CN209556654U
Application number: CN201821741744.9U
Authority: CN
Inventors: 陆冰; 韩立民; 赵青松
Original assignee: Shangyu Shaoxing Yongsheng Automobile Parts Co Ltd
Current assignee: Shangyu Shaoxing Yongsheng Automobile Parts Co Ltd
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2019-10-29
Anticipated expiration: 2028-10-26

Abstract

The utility model discloses a kind of mute motor vehicle door locks, with locking mechanism, it mainly includes lock housing, lock tongue, lockup arm and lock ring, the locking mechanism is during from full-gear to full lock status, lock ring with lock tongue from after being in contact, buffering suface against lock tongue slides, to drive first connecting pin rotation of the lock tongue in lock housing, until lock ring is fallen into card slot；The buffering suface has arcuate structure, and the circular arc with card slot close to buffering suface side is contrary.The utility model is simple in sturcture, ingenious in design, significantly reduces the noise that generates when door lock is hit, long service life, and user experience is good.

Description

A kind of mute motor vehicle door lock

Technical field

The utility model belongs to auto parts field, more particularly, to a kind of mute motor vehicle door lock.

Background technique

With the raising of production level, automobile gradually becomes most walking-replacing tool of going on a journey, and people use body to automobile It tests and requires the larger impact noise also higher and higher, usual automobile is generated in the collision of door lock at closing time, can be brought not to user Suitable sense, influences user experience.And clash also and will increase for a long time, the loss of components shortens the working life.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides that a kind of impact noise is small, structure is simple, stabilized structure Mute motor vehicle door lock.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of mute motor vehicle door lock, has lock Determine mechanism, mainly includes lock housing, lock tongue, lockup arm and lock ring, the locking mechanism is from full-gear to the mistake of full lock status Cheng Zhong, from after being in contact with lock tongue, the buffering suface against lock tongue slides lock ring, to drive first connection of the lock tongue in lock housing Pin rotation, until lock ring is fallen into card slot；The buffering suface has arcuate structure, with card slot close to the circular arc of buffering suface side It is contrary.

The contact surface abutted against on traditional lock tongue with lock ring is usually rounding off, i.e., the circular arc of entire contact surface to card slot Direction be all it is identical, the utility model breaches Traditional Thinking, buffering suface is raised upward, i.e., the circular arc direction of buffering suface with The circular arc of card slot is contrary, to increase the length of buffering suface, and then enters card slot after increasing lock ring and lock tongue shock Stroke, both increase the buffer time after hitting, and increase the distance between buffering suface and lock tongue rigid element, it is slow More preferably, buffering effect is more preferable for elasticity provided by impulse face, when lock ring and lock tongue shock, will not issue biggish noise.

Further, the buffering suface is provided by the elastic buffer set being arranged on lock tongue.

Further, the elastic buffer set includes more than two cavitys that self-locking tongue side is laid towards interval, institute It states more than two cavitys and independent cavity is divided into the dowel made of elastic material.Made of elastic material A plurality of cavities are opened up on cushion collar, the arragement direction of cavity is self-locking tongue side face along width direction, and cushion performance obtains substantially It improves, and the energy after shock is transmitted by a plurality of cavities and absorbed, and is minimized to the damage of lock tongue.

Further, cavity structure in long strip.Cavity structure in a strip shape, first is that elastic buffer set is avoided to be knocked Very big deformation is generated afterwards, second is that its length direction for extending entire buffering suface as far as possible, is all played good in entire cushion stroke Good buffer function.

Further, the quantity of the cavity is two comprising the first cavity and the second cavity.Not only elastic material sheet Body can provide deformation and increase buffering, and the first cavity and the second cavity also cooperate the biggish deformation space of offer to increase buffering, Reduce the noise for hitting and generating.

Further, the outer wall of the first cavity fitting lock tongue extends, the first side wall and first of second cavity The extending direction of cavity is parallel, and second sidewall and the first side wall are symmetrical arranged.In lock ring and elastic buffer set knockout process, The second bigger cavity of width can provide biggish deformation, absorb Impact energy with prestissimo, reduce and hit making an uproar for generation Sound, the first side wall of the second cavity is parallel with the first cavity, while providing big buffer function, increases integrally-built steady Solidity；First cavity fitting lock tongue outer wall then avoids the thickness of entire elastic buffer set excessive, will not influence whole assembly knot Structure.

Further, the cavity runs through the thickness direction of elastic buffer set.Perforative cavity processing is more convenient, saves Cost of manufacture.

Further, the protective layer of cladding lock tongue overwhelming majority outer surface, the elastic buffer are connected on the lock tongue Set is the part of protective layer, and outer wall forms the buffering suface.It coats in the outer surface of lock tongue and is protected made of elastic material Layer avoids lock tongue made of rigid and each components from generating more shock and friction, also plays protection to lock tongue and makees With.

Further, the lock tongue is equipped with the mating surface with buffering suface face, the lock ring fitting buffering suface and cooperation Face is mobile.Lock ring marches to card slot under the clamping of buffering suface and mating surface, and the stability of molar behavior is good.

The beneficial effects of the utility model are: simple in sturcture, ingenious in design, significantly reduce and generate when door lock is hit Noise, long service life, user experience are good.

Detailed description of the invention

Fig. 1 is the fit structure rough schematic of the lock tongue of the utility model, lockup arm and lock ring.

Fig. 2 is the schematic view of the front view one of the utility model lock tongue.

Fig. 3 is schematic enlarged-scale view at the A in Fig. 2.

Fig. 4 is the schematic view of the front view two of the utility model lock tongue.

Fig. 5 is the schematic perspective view one of the utility model lock tongue.

Fig. 6 is the schematic perspective view two of the utility model lock tongue.

Fig. 7 is the full-gear rough schematic of the locking mechanism of the utility model.

Fig. 8 is the semi-locked state rough schematic of the locking mechanism of the utility model.

Fig. 9 is the full lock status rough schematic of the locking mechanism of the utility model.

Specific embodiment

In order to make those skilled in the art better understand the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, the technical solutions in the embodiments of the present invention are clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered When the range for belonging to the utility model protection.

As shown in figures 1 to 6, a kind of mute motor vehicle door lock, including locking mechanism, locking mechanism mainly include lock housing 1, lead to The lock crossing lock tongue 2 that the first connecting pin 11 is rotatably connected in lock housing 1, being rotatably connected on by the second connecting pin 12 in lock housing 1 Only arm 3, lock ring 4, lock tongue 2 and lockup arm 3 are cooperatively connected, and the channel passed in and out for lock ring 4 are formed on lock tongue 2, by rigid system At lock tongue 2 outer surface most areas coat matcoveredn 5, protective layer 5 is made of elastic material, at protective layer 5 It is formed with elastic buffer set 23 in the region in channel, the side of the one side and lock tongue 2 of elastic buffer set 23 fits, separately Side outer wall forms buffering suface 21.

Channel includes the mating surface 24 of buffering suface 21 and 21 face of buffering suface, the card slot 22 positioned at end, when lock ring 4 is wanted When in into channel, lock ring 4 is slided forward against buffering suface 21, close fit face 24.

Elastic buffer set 23 is laid with a plurality of cavities towards channel center, interval, direction from the side being bonded with lock tongue 2, empty Chamber structure in long strip, in this present embodiment, the quantity of cavity are two, including comparable first cavity 231 and second of length Cavity 232；The first side of first cavity 231 is almost bonded with lock tongue 2, i.e., for the two apart from very little, radian is identical, and circle Arc direction is to be recessed to the direction far from channel；The second side of first cavity 231 is almost parallel with first side, and with second The first side wall 234 of cavity 232 is parallel to each other, and the second sidewall 235 and the first side wall 234 of the second cavity 232 are symmetrical arranged, I.e. its circular arc direction is to the direction protrusion close to channel, thus elastic buffer set 23 and second sidewall 235 almost parallel side Face is formed the buffering suface 21 to channel center's direction protrusion；That is the circular arc direction of the buffering suface 21 of arcuate structure and card slot 22 Circular arc positioned at 21 side of buffering suface is contrary, and the two is not rounding off, specifically, by taking Fig. 7 as an example, the circle of buffering suface 21 The lower right position in the center of circle where the arc center of circle is located at the circular arc of card slot 22.Certainly it in other embodiments, also can be set a plurality of The combination of parallel the first cavity and the second cavity, particular number are unrestricted.

It is connected between adjacent cavity the dowel 233 made of elastic material, the first cavity 231 and the second cavity 232 length almost extends entire buffering suface 21, the head end infinite approach buffering suface 21 of the first cavity 231 and the second cavity 232 Second end of the tail end and buffering suface 21 of first end far from card slot 22, the first cavity 231 and the second cavity 232 close to card slot 22 There are also a certain distance, which is filled by dowel 233.First cavity 231 and the second cavity 232 are through elastic buffer set 23 Thickness direction, i.e. the first cavity 231 and the second cavity 232 can see that on the outside of protective layer 5.

As shown in fig. 7, lock tongue 2 is shown in a fully open operation at this time, when lock ring 4 and lock tongue 2 generate shock, lock ring 4 first with The head end of first end in contact of buffering suface 21, the first cavity 231 and the second cavity 232 provides biggish snubber elastomeric, avoids producing Raw biggish impact noise；

As shown in figure 8, lock tongue 2 is in semi-locked state, buffering suface 21 of the lock ring 4 against protrusion, close fit face 24 at this time It is moved along channel, drives lock tongue 2 around the first connecting pin 11, while circumferentially rotated counterclockwise against lockup arm 3, the first cavity 231 and second cavity 232 biggish cushion performance is provided, whole process will not generate biggish impact noise；

As shown in figure 9, lock tongue 2 is in full lock status at this time, lock ring 4 enters in card slot 22, and buffering suface 21 also acts one Fixed position-limiting action；Entire 2 buffering suface 21 of lock ring inertial impaction lock tongue executes block action until lock tongue 2 is driven to rotate, and generates Strike note be all reduced.

Above-mentioned specific embodiment is used to illustrate the utility model, rather than limits the utility model, In In the spirit and scope of protection of the claims of the utility model, to any modifications and changes that the utility model is made, all fall Enter the protection scope of the utility model.

Claims

It mainly include lock housing (1), lock tongue (2), lockup arm (3) and lock 1. a kind of mute motor vehicle door lock has locking mechanism Ring (4), it is characterised in that: the locking mechanism is during from full-gear to full lock status, lock ring (4) from lock tongue (2) After being in contact, the buffering suface (21) against lock tongue (2) is slided, to drive first connecting pin of the lock tongue (2) on lock housing (1) (11) it rotates, until lock ring (4) are fallen into card slot (22)；The buffering suface (21) has arcuate structure, leans on card slot (22) The circular arc of nearly buffering suface (21) side is contrary.
2. mute motor vehicle door lock according to claim 1, it is characterised in that: the buffering suface (21) is by being arranged in lock tongue (2) the elastic buffer set (23) on provides.
3. mute motor vehicle door lock according to claim 2, it is characterised in that: the elastic buffer set (23) includes self-locking More than two cavitys that tongue (2) side is laid to interval, described two above cavitys pass through made of elastic material Dowel (233) is divided into independent cavity.
4. mute motor vehicle door lock according to claim 3, it is characterised in that: the cavity structure in long strip.
5. mute motor vehicle door lock according to claim 3, it is characterised in that: the quantity of the cavity is two, packet Include the first cavity (231) and the second cavity (232).
6. mute motor vehicle door lock according to claim 5, it is characterised in that: first cavity (231) is bonded lock tongue (2) outer wall extends, and the first side wall (234) of second cavity (232) is parallel with the extending direction of the first cavity (231), Its second sidewall (235) and the first side wall (234) are symmetrical arranged.
7. mute motor vehicle door lock according to claim 3, it is characterised in that: the cavity runs through elastic buffer set (23) Thickness direction.
8. mute motor vehicle door lock according to claim 2, it is characterised in that: be connected with cladding lock on the lock tongue (2) The protective layer (5) of tongue (2) overwhelming majority outer surface, the elastic buffer set (23) are the part of protective layer (5), outer wall shape At the buffering suface (21).
9. mute motor vehicle door lock according to claim 1, it is characterised in that: the lock tongue (2) is equipped with and buffering suface (21) mating surface (24) of face, lock ring (4) fitting buffering suface (21) and mating surface (24) are mobile.