CN209556653U - A kind of noise reduction motor vehicle door lock - Google Patents
A kind of noise reduction motor vehicle door lock Download PDFInfo
- Publication number
- CN209556653U CN209556653U CN201821741601.8U CN201821741601U CN209556653U CN 209556653 U CN209556653 U CN 209556653U CN 201821741601 U CN201821741601 U CN 201821741601U CN 209556653 U CN209556653 U CN 209556653U
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- China
- Prior art keywords
- contact part
- lock tongue
- lock
- motor vehicle
- noise reduction
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Abstract
The utility model discloses a kind of noise reduction motor vehicle door locks, with the locking mechanism for including at least lock tongue and lockup arm, the lock tongue is equipped with the first elastic contact part, the second elastic contact part, during locking mechanism is from full-gear to semi-locked state, the first elastic contact part is slided against lockup arm into locking area；In locking mechanism during from semi-locked state to full lock status, first locking surface of first elastic contact part against locking area is detached from lockup arm, second elastic contact part is slided against lockup arm into locking area, and when full lock status, the second elastic contact part offsets with the first locking surface.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
Technical field
The utility model belongs to auto parts field, more particularly, to a kind of noise reduction 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
Noise reduction motor vehicle door lock.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of noise reduction motor vehicle door lock, has extremely
It less include the locking mechanism of lock tongue and lockup arm, the lock tongue is equipped with the first elastic contact part, the second elastic contact part, Yu Suo
During determining mechanism from full-gear to semi-locked state, the first elastic contact part is slided against lockup arm into locking area；In
During from semi-locked state to full lock status, first locking surface of first elastic contact part against locking area is detached from locking mechanism
Lockup arm, the second elastic contact part is slided into locking area against lockup arm, when full lock status, the second elastic contact part and the
One locking surface offsets.The position that the utility model can be in contact on lock tongue with lockup arm is all provided with the knot of elastic buffer
Structure, so that lock tongue and lockup arm collide, and during rotation, the noise of generation is reduced, and buffering effect is good, to lock
The damage of tongue, lockup arm minimizes.
Further, first elastic contact part by least one cavity body on lock tongue and is used to form described
The clad of cavity body forms, and the clad is made of elastic material.
Further, cavity body structure in long strip, fitting lock tongue outer wall extend.Cavity body structure in a strip shape,
First is that very big deformation is generated after avoiding the first elastic contact part from being knocked, second is that its length for extending entire lock tongue edge as far as possible
Good buffer function is all played in direction in entire cushion stroke.
Further, the cavity body has arcuate structure.Cavity body is arc-shaped, and an effect is to agree with lock tongue shape side
Edge shape, second effect are the contacts area for reducing itself and lockup arm within the unit time, reduce frictional resistance.
Further, the cavity body runs through the thickness direction of lock tongue.Perforative cavity body processing is more convenient, saves system
Make cost.
Further, second elastic contact part by least one chamber on lock tongue and is used to form the chamber
The elastomeric overmold floor of room forms.
Further, the chamber is from lock tongue outer wall outwardly convex.Not only elastic material of elastomeric overmold layer itself can be with
Deformation is provided and increases buffering, the shape of chamber outwardly convex, which also cooperates, provides biggish deformation space to increase buffering, and reduction is hit
Hit the noise of generation.
Further, first locking surface is equipped with elastic buffer portion comprising at least one cavity and is used to form
The elastic layer of the cavity forms.
Further, the locking mechanism further includes lock ring, and locking mechanism is during from full-gear to full lock status,
From after being in contact with lock tongue, the buffering suface against lock tongue slides lock ring, to drive lock tongue to rotate, 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 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；The elastic buffer set includes
The two or more cavity that self-locking tongue side is laid towards interval, the cavity pass through the dowel made of elastic material point
It is cut into individual cavities.A plurality of cavities are opened up on the cushion collar made of elastic material, the arragement direction of cavity is self-locking tongue side
Face is largely increased along width direction, cushion performance, and the energy after shock is transmitted by a plurality of cavities and absorbed, to lock tongue
Damage minimize.
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 schematic view of the front view one of the utility model lock tongue.
Fig. 2 is the schematic view of the front view of the utility model lockup arm.
Fig. 3 is the fit structure rough schematic of the lock tongue of the utility model, lockup arm and lock ring.
Fig. 4 is the schematic view of the front view two of the utility model lock tongue.
Fig. 5 is schematic enlarged-scale view at the A in Fig. 4.
Fig. 6 is the schematic view of the front view three of the utility model lock tongue.
Fig. 7 is the schematic perspective view one of the utility model lock tongue.
Fig. 8 is the schematic perspective view two of the utility model lock tongue.
Fig. 9 is the full-gear rough schematic of the locking mechanism of the utility model.
Figure 10 is the semi-locked state rough schematic of the locking mechanism of the utility model.
Figure 11 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 1-8, a kind of noise reduction 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 the outer surface most areas of lock tongue 2 coat matcoveredn 5, protective layer 5 is made of elastic material.
The first elastic contact part 25 and the second bullet are respectively formed in the end position that protective layer 5 is located at access portal two sides
Property contact portion 26；First elastic contact part 25 is by least one cavity body 251 and the clad for being coated on 251 periphery of cavity body
252 compositions, clad 252 are made of elastic material, and clad 252 can also only coat three side walls of cavity body 251, another
Side wall is provided by lock tongue 2.The structure in long strip of cavity body 251, and there is radian, one arc outer wall and the outer wall of lock tongue 2 are tight
Closely connected conjunction setting, i.e., the two is apart from very little, and radian is identical, and two relatively short side walls are also almost bonded with 2 outer wall of lock tongue, i.e.,
The holding tank of one with 251 size of cavity body, shape adaptation, 251 outer wall of cavity body and receiving channel opening two sides are formed on lock tongue 2
Form the arcuate structure to smoothly transit.Cavity body 251 runs through the thickness direction of lock tongue 2, i.e., cavity body 251 is in 5 outside of protective layer
It can see that.
In this present embodiment, the quantity of cavity body is one, and certainly in other embodiments, the quantity of cavity body is unlimited,
It can be multiple parallel individual cavities bodies, divide to be formed by clad between adjacent cavity body.Cavity body 251 is set
It sets so that the entire stroke slided that offsets after first end and lockup arm 3 collision of lock tongue 2 has buffer function, buffering suface is larger,
It avoids generating biggish impact noise.
Second elastic contact part 26 is by least one chamber 261 and is coated on 262 groups of elastomeric overmold layer of 261 periphery of chamber
At elastomeric overmold layer 262 is made of elastic material.Elastomeric overmold layer 262 can also only coat three side walls of chamber 261, another
One side wall is provided by lock tongue 2.Chamber 261 is in nearly ellipsoidal structure, and the outer wall of one arc outer wall and lock tongue 2, which fits closely, to be set
It sets, i.e., the two is apart from very little, and radian is identical, and a relatively short side wall is also almost bonded with 2 outer wall of lock tongue, i.e., on lock tongue 2
Form the holding tank of one with the part size of chamber 261, shape adaptation, 261 outer wall of chamber is from 2 end outer wall convex of lock tongue
It rises.Chamber 261 runs through the thickness direction of lock tongue 2, i.e. chamber 261 can see that on the outside of protective layer 5.
In this present embodiment, the quantity of chamber is one, and certainly in other embodiments, the quantity of chamber is unlimited, can
To be multiple parallel separate chambers, divide to be formed by elastomeric overmold layer between adjacent chamber.The setting of chamber 261 so that
The entire stroke slided that offsets after second end and lockup arm 3 collision of lock tongue 2 has buffer function, and buffering suface is larger, avoids producing
Raw biggish impact noise.
Certain above-mentioned first elastic contact part 25 and the second elastic contact part 26, which can also independently adhere to, is connected to lock tongue 2
On.
During locking mechanism is from full-gear to semi-locked state, the first elastic contact part 25 is slided against lockup arm 3
Locking area 31 is entered, locking area 31 includes the first locking surface 311 and the second locking surface 314 with it in angle, the first locking
Elastic buffer portion also is provided on face 311 comprising at least one cavity 312 and be coated on outside cavity 312 313 groups of elastic layer
At elastic layer 313 is made of elastic material, and cavity 312 is in nearly ellipsoidal structure, extends the almost whole of the first locking surface 311
A length direction.When in semi-locked state, the first elastic contact part 25 and the first locking surface 311 of lock tongue 2 are abutted against, lock tongue 2
Also offset with the second locking surface 314.
Lock ring 4 continues that lock tongue 2 is driven to rotate, and locking mechanism is during from semi-locked state to full lock status, the first elasticity
Contact portion 25 is detached from the locking area 31 of lockup arm 3 against the first locking surface 311, and the second elastic contact part 26 enters locking area 31,
When reaching full lock status, the second elastic contact part 26 is abutted against with the first locking surface 311, on lock tongue 2 with the second elastic contact part
26 adjacent sides offset with the second locking surface 314.
Protective layer 5 be located at the region in channel be formed with elastic buffer set 23, the elastic buffer set 23 one side with
The side of lock tongue 2 fits, and other side outer wall forms buffering suface 21.Channel includes buffering suface 21, matches with buffering suface 21 face
Conjunction face 24, the card slot 22 positioned at end, when lock ring 4 will enter in channel, lock ring 4 is against buffering suface 21, close fit face
24, it slides forward.
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
It is formed the buffering suface 21 to channel center's direction protrusion；I.e. the circular arc direction of the buffering suface 21 of arcuate structure with card slot 22
Circular arc in 21 side of buffering suface is contrary, and the two is not rounding off, specifically, the circular arc center of circle of buffering suface 21 is located at card
The lower right position in the center of circle where the circular arc of slot 22.Certainly in other embodiments, a plurality of the first parallel sky also can be set
The combination of chamber 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 figure 9, 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 10, 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 11, lock tongue 2 is in full lock status at this time, and 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 (10)
1. a kind of noise reduction motor vehicle door lock has the locking mechanism including at least lock tongue (2) and lockup arm (3), it is characterised in that:
The lock tongue (2) be equipped with the first elastic contact part (25), the second elastic contact part (26), in locking mechanism from full-gear to
During semi-locked state, the first elastic contact part (25) is slided against lockup arm (3) into locking area (31)；In locking mechanism
During from semi-locked state to full lock status, the first elastic contact part (25) is pressed against first locking surface of locking area (31)
(311) lockup arm (3) are detached from, the second elastic contact part (26) is slided against lockup arm (3) into locking area (31), Yu Quansuo shape
When state, the second elastic contact part (26) offsets with the first locking surface (311).
2. noise reduction motor vehicle door lock according to claim 1, it is characterised in that: first elastic contact part (25) is by setting
It is formed at least one cavity body (251) on lock tongue (2) and the clad (252) for being used to form the cavity body (251), institute
Clad (252) is stated to be made of elastic material.
3. noise reduction motor vehicle door lock according to claim 2, it is characterised in that: the cavity body (251) knot in long strip
Structure, fitting lock tongue (2) outer wall extend.
4. noise reduction motor vehicle door lock according to claim 3, it is characterised in that: the cavity body (251) has arc knot
Structure.
5. noise reduction motor vehicle door lock according to claim 2, it is characterised in that: the cavity body (251) runs through lock tongue (2)
Thickness direction.
6. noise reduction motor vehicle door lock according to claim 1, it is characterised in that: second elastic contact part (26) is by setting
It is formed at least one chamber (261) on lock tongue (2) and the elastomeric overmold layer (262) for being used to form the chamber (261).
7. noise reduction motor vehicle door lock according to claim 6, it is characterised in that: the chamber (261) is from lock tongue (2) outer wall
Outwardly convex.
8. noise reduction motor vehicle door lock according to claim 1, it is characterised in that: first locking surface (311) is equipped with
Elastic buffer portion comprising at least one cavity (312) and elastic layer (313) composition for being used to form the cavity (312).
9. noise reduction motor vehicle door lock according to claim 1, it is characterised in that: the locking mechanism further includes lock ring (4),
Locking mechanism is during from full-gear to full lock status, and lock ring (4) with lock tongue (2) from after being in contact, against lock tongue (2)
Buffering suface (21) slides, to drive lock tongue (2) to rotate, until lock ring (4) are fallen into card slot (22)；The buffering suface (21) has
Arcuate structure, it is contrary close to the circular arc of buffering suface (21) side with card slot (22).
10. noise reduction motor vehicle door lock according to claim 9, it is characterised in that: the buffering suface (21) is locked by being arranged in
Elastic buffer set (23) on tongue (2) provides；The elastic buffer set (23) includes laying from lock tongue (2) side to interval
More than two cavitys, the cavity are divided into individual cavities the dowel made of elastic material (233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741601.8U CN209556653U (en) | 2018-10-26 | 2018-10-26 | A kind of noise reduction motor vehicle door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741601.8U CN209556653U (en) | 2018-10-26 | 2018-10-26 | A kind of noise reduction motor vehicle door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209556653U true CN209556653U (en) | 2019-10-29 |
Family
ID=68298297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821741601.8U Active CN209556653U (en) | 2018-10-26 | 2018-10-26 | A kind of noise reduction motor vehicle door lock |
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| Country | Link |
|---|---|
| CN (1) | CN209556653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991597A (en) * | 2022-05-10 | 2022-09-02 | 浙江信格科技有限公司 | High-performance vehicle door lock |
-
2018
- 2018-10-26 CN CN201821741601.8U patent/CN209556653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991597A (en) * | 2022-05-10 | 2022-09-02 | 浙江信格科技有限公司 | High-performance vehicle door lock |
| CN114991597B (en) * | 2022-05-10 | 2024-02-13 | 浙江信格科技有限公司 | High-performance door lock |
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