CN110388142A - Automobile door lock - Google Patents
Automobile door lock Download PDFInfo
- Publication number
- CN110388142A CN110388142A CN201810353522.8A CN201810353522A CN110388142A CN 110388142 A CN110388142 A CN 110388142A CN 201810353522 A CN201810353522 A CN 201810353522A CN 110388142 A CN110388142 A CN 110388142A
- Authority
- CN
- China
- Prior art keywords
- ladder
- worm gear
- door lock
- automobile door
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/02—Mounting of vehicle locks or parts thereof
- E05B79/08—Mounting of individual lock elements in the lock, e.g. levers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
- E05B81/32—Details of the actuator transmission
Abstract
Subject of the present invention is a kind of automobile door lock (1), with by rotation claw and at least one pawl, the locking mechanism that locking unit for locking mechanism is constituted, the worm gear (14 for including worm screw (5) at least one and being engaged with the worm screw (5), 21) electric drive mechanism (3), the wherein worm gear (14, 21) shell (2 of automobile door lock (1) can be mounted on, 22, 25) in, and the worm gear (14, 21) ladder pin (6 can be mounted on, 20) on, it herein can be in the ladder pin (6, 20) the first ladder (7, 23) radial directed is obtained on, in the second ladder (8, 24) it is obtained on axially directed.
Description
Technical field
The present invention relates to automobile door locks, have by rotation claw, at least one pawl and for the locking list of locking mechanism
The locking mechanism that member is constituted, having at least one includes the electric drive mechanism of worm screw and the worm gear that can be engaged with worm screw, wherein should
Worm gear is mountable in automobile door lock shell.
Background technique
It is known that many functions can be executed under electronic auxiliary in current automobile.Such as rearview mirror can be made electric
Turn is dynamic or packs up, and can make roof sliding is electronic to open or close.In addition, also carry out automobile closing and opening, i.e., by
Automotive lock is locked and is unlocked by electric drive mechanism.Here, the operation system for releasing automotive lock locking mechanism is disengaged.
In other words, operator can not open automobile by operation door outer handle, because at " door outer handle " and " in engaging with locking mechanism
Release lever " between mechanical attachment disconnected.It is this operation system disconnect at this time by be set to automotive lock in motor into
Row, motor pass through pinion gear mostly and work in coordination with a gear.
In order to guarantee the operability of electric operating component in automobile at any time, to the branch of driving mechanism
It holds, toothing and member supporting propose strict demand.Especially, it is manufactured under the influence of temperature influence, humidity and with regard to lockset
When distortion inaccuracy for, it is also necessary to guarantee operation.In order to support the operating stick, it is aware of various solution party from the prior art
Case.
20 2,007 007 077 U1 of DE discloses a kind of lockset, and with support and rotating member, which can be around axis
The same axis that line rotationally utilizes retention mechanism installation on the support or the retention mechanism and the rotating member have position fixed
Line simultaneously forms bayonet latching connector, and being designed to the rotating member can turn round in two sides around axis.At this point, the retention mechanism relative to
Rotating member is rotated, and makes the rotation in the circumferential of cross section expansion section.Whereby, cross section expansion section is moved outside stretching, extension straight line,
To prevent from moving back.It forms so-called bayonet latching connector.
20 2,012 010 242 U1 of DE discloses a kind of supporting structure for operating linkage in automobile.It is mounted on locked groove
Support core in box has multiple ladders at this time, wherein operation linkage can be supported in support core.Because with ladder pin-shaped formula shape
There is following possibility at fulcrum post, can be Specifically so to support with the different component parts of support operational linkage, Ji Kebao
Card operating stick is reliably supported on ladder pin.So accomplish that operating stick reliably plays a role, that is, has been mounted on adding on ladder pin
Strong part can keep being spaced by the ladder and operating stick.If operation linkage and reinforcer are riveted on ladder pin now
And can get inseparable connection, then operation linkage can be made reliably to play a role by using ladder pin.
The prior art all can not allow people to convince in all respects.On the one hand, which involves high structure and wants
On the other hand ample clearance when summation assembly can only conditionally guarantee the axial bearing of operating stick.The present invention is herein
Hand.
Summary of the invention
The task of the present invention is provide a kind of improved automobile door lock.Task of the invention is provided in particular in operation linkage
Axially and radially bearing, which ensure that high functional reliability, even if automobile door lock is operated under extreme conditions.In addition, this
The task of invention is to provide a kind of solution that the structure for automobile door lock bearing is simple and inexpensive.
The task is completed by the feature of independent claims 1.Specifying in the dependent claims of the invention has
Sharp embodiment.It is noted that embodiment described below is not limiting, on the contrary, in specification and appurtenance
Any possible modification of feature described in it is required that is all possible.
According to claim 1, task of the invention is so completed, that is, a kind of automobile door lock is provided, with locking mechanism,
The locking mechanism is made of rotation claw, at least one pawl and locking unit for the locking mechanism, the car door lockset
Having at least one includes the electric drive mechanism of worm screw and the worm gear engaged with worm screw, wherein the worm gear is mountable in automobile door lock
In shell, and the worm gear is mountable on ladder pin, wherein radial directed is carried out on the first ladder of ladder pin, in rank
It is carried out on second ladder of ladder pin axially directed.By that will be divided into herein in the bearing of the operating stick of worm gear shape in ladder pin
The first radial directed on first ladder and the worm gear on the second ladder of ladder pin are axially directed, can permit at each moment
Perhaps operating stick reliably plays a role.So carry out the division of operating stick bearing at this time: the radial directed of operating stick can pass through behaviour
Make the specified gap between worm and wheel to adjust.Therefore, the first ladder of ladder pin only supports the worm gear radially.Thus
Prevent worm gear stuck, because allowing the axial movement of worm gear by the first ladder.Therefore, the first ladder is formed in ladder pin shaft
Upwards to the guidance of worm gear.
The second ladder and worm gear of ladder pin form the axial lock of worm gear highly relevantly.Therefore, the second ladder is opposite
The axial guide mechanism for operating parts or operating stick is formed in the worm gear.Here, worm gear axial height is with the journey of axial gap
Degree is less than the second ladder height of ladder pin.If present worm gear is for example installed on ladder pin by another housing section,
The housing section being placed on ladder pin reclines the second ladder of ladder pin.Worm gear has the height for reducing axial gap now,
To which worm gear shaft can be realized to guidance.
From " radial clearance on the first ladder for forming worm gear radial support " with " by can scheduled axial gap
It is axially directed " mutual cooperation in, worm gear is axially and radially guided, thus can function be securely retained at automobile door lock
In.So prevent worm gear stuck at this time, it can only to provide radial directed on the first ladder, and only provide on the second ladder
It is axially directed.By this mutual cooperation, (vapour can also be entered in severe temperature fluctuations, moisture or pollution in extreme cases
When in lock) guarantee high functional reliability.
If mentioning automobile door lock related to the present inventionly, refer to whereby side door lock, sliding door lock, the cover lock and after
It locks in standby compartment.All automotive locks for being likely encountered extreme loads (such as occurring in significant temperature fluctuation) in this way are both involved.
Present invention is preferably related to automobile door locks, have rotation claw and at least one pawl, they pacify with being mutually twisted
On same fixed plate, that is, substantially flat composition bottom plate.The rotation claw and at least one pawl form locking mechanism,
The locking mechanism and lock or lockweight cooperate.According to the present invention, lock on the one hand can in the form of the lock that hoop is constituted,
And, for example, in pin-shaped lockweight.Two kinds of configurations all by comprising.Here, lock may be mounted on vehicle body, automotive lock is for example
It is mounted on side door.But correspondingly opposite installation is also possible.It rotates claw and pawl forms locking mechanism and one
A be parallel in the plane of fixed plate is rockably mounted in fixed plate and can be interconnected.
When automotive lock is opened, the introducing port for rotating claw is opposed with lock, thus should in automobile door lock locking
Lock can be engaged with the introducing port of rotation claw, so that lock can make to rotate claw rotation or swing and be transferred to locked position of coupler.
On locked position of coupler, which engages with rotation claw, herein, can obtain pre-locked position and/or the master of locking mechanism
Latched position.
Locking unit so works at this time, i.e. the operation of such as door outer handle does not result in the unlock of locking mechanism.At this point,
Such as the mechanical attachment between door outer handle and the release lever that can be engaged with locking mechanism is disconnected.This can for example pass through company
Extension bar carries out.Electric drive mechanism by gearing in gear wheel segment or the gear wheel segment in operating stick for example may be used at this time
So that the fastener between outer operating handle is disengaged.It is also envisaged that can directly make by worm gear release lever be detached from
The engagement of outer operation leverage.Therefore locking unit includes at least one electric drive mechanism, drive gear such as worm screw.Worm screw again with
Worm gear engagement, or in an alternate embodiments, the gear on the driven shaft of driving mechanism can be nibbled with another gear
It closes.Worm gear as operating stick is installed on ladder pin and can be driven by electric drive mechanism.Electric drive mechanism for example may be used
To be driven and controlled by beeper and by the control device in automobile.
In an embodiment of the invention, worm gear has the opening of at least two with the cooperation of ladder pin, thus worm gear
It can be sleeved on ladder pin.Here, worm gear set provides simple and reliable installation of the worm gear on ladder pin on ladder pin
Possibility.Especially, the worm gear inner opening with the cooperation of the first ladder of ladder pin can be thusly-formed, it can make a reservation for a diameter
To gap, thus radial directed may be implemented.Second be opened on be for for ladder pin pass through worm gear, thus worm gear it is mountable
In lock.
If the ladder pin has coherent opening, especially hole, the hole is matched at least one worm gear fixing component herein
It closes, then obtains another Advantageous variants embodiment of the invention.Worm gear fixing component is preferably cap, can be placed in ladder
On pin.If being equipped with the opening of cooperation in ladder pin and cap now, cap can pass through the opening and/or be open
Inside it is fixed.It is thereby achieved that simple and reliable installation of the worm gear in automobile door lock.Opening in ladder pin is preferably
Constituted, but can also be formed in ladder pin in the form of blind hole, herein, blind hole or blind hole mouth and fixation in the form of coherent opening
Opening cooperation in component.Fastener then may pass through fixing component and be inserted into blind hole mouth and can couple with ladder pin.It is described
Fixing component and especially cap can inseparably couple at this time with ladder pin.
According to advantageous manner, which can be fixed by shell and by pass through the rivet of shell.Rivet is penetrated into rank
The opening of ladder pin simultaneously can provide the possibility mode of cheap and simple so that worm gear is fixed in the housing across worm gear fixing component.
At this point, worm gear fixing component and ladder pin it is inseparable couple can permit reliably abide by predetermined gap, particularly axially between
Gap.
In another embodiment variant of the invention, the diameter of the first ladder of the ladder pin is than with ladder pin
The diameter of the opening of one ladder cooperation is smaller, especially small 0.1mm to 0.3mm.By relative to radial dimension (i.e. with ladder pin
First ladder cooperation worm gear in opening) by ladder pin diameter design at smaller, it is ensured that radial directed.Especially by
In accordance with the gap relative to opening diameter or the 0.1mm to 0.3mm of ladder pin diameter, limiting temperature or temperature can be encountered in worm gear
Also assurance function reliability when degree fluctuation.Therefore, it on the one hand can guarantee for the extraneous functional reliability influenced, on the other hand may be used
Guarantee to engage between worm gear and worm screw at any time reliably to play a role.Especially radially gap is meaningful at this time, because
For thus, it is possible to influence to engage situation between worm gear and worm screw.By abide by error according to the present invention or can scheduled gap,
With assurance function reliability and the reliable driving of the worm gear can be allowed.
In yet another embodiment of the present invention, the height with the worm gear portion of the second ladder of ladder pin cooperation is than the
Two ladder pins height are smaller, especially small 0.1mm to 0.3mm.The summary of the worm gear portion cooperated with the second ladder of ladder pin
Low height allows to provide a gap at this time, to ensure that worm gear is reliably supported and is engaged in worm screw, while considering pass
In the deformation of the axial riveting pressure in riveting process.Here, rivet intrusion can for example be matched according to material to be had
The depth of 0.04mm.It is matched about material, can specify that difference in height or the gap of 0.15mm in the case.Obviously, rivet pressure
Enter i.e. component pressing be related to material pairing, therefore can scheduled gap can be matched with material pairing.
If the ladder pin can be integrally formed with lock housing cover, another embodiment variant of the invention is obtained.The rank
Ladder pin can for example be formed in the form of including the plastic injection piece of shell and especially clamshell.This forms an advantageous embodiment party
Formula, because it is possible thereby to having realized the cheap manufacture of ladder pin in shell manufacturing process.Especially, it also can manufacture
Opening is added in the ladder pin when lock housing, so as to realize the installation of worm gear by advantageous manner.In an advantageous manner,
Ladder pin and lock housing cover can be integrally manufactured by unified material, especially manufactured by plastic injection material.
The worm gear or operating parts or operating stick can only be partially with toothings.Worm gear in order to the lock locking and unlock only
Pendulum motion need to be completed, so that worm gear also can only be partially with toothing.Worm gear be preferably provided with 180 °, preferably less than
The toothing of 145 ° and preferably less than 100 ° of local area.Therefore the cheap manufacture of worm gear can be realized, and in automotive lock
The space requirement of interior worm gear is reduced to minimum level.
In an advantageous embodiment variant, which has at least one damping mechanism.The worm gear is in the circumferential
At least partially with toothing, which can engage with the gear of electric drive mechanism side or worm screw.In addition, the worm gear can have
There are damping mechanism, especially spring part, can be integrally formed in an advantageous manner with the worm gear.Especially, the worm gear energy conduct
Plastic injection piece manufactures, and herein, which can be formed on worm gear in the form of elastic elongation portion.
In addition, the worm gear can have cylindricality extension, wherein the cylindricality extension can be engaged with release lever.Have herein
In the embodiment variant of benefit, which can be guided to move along circular trace, thus on the one hand can be with well-tuned
The path that can be limited out, and according to the position of cylindricality extension, adjustable power is prolonged in driving mechanism, worm screw, worm gear and cylindricality
Release lever is advantageously transmitted between long portion.Therefore, while can having high functional reliability in automotive lock, guarantee can be abutted against
It closes.
Detailed description of the invention
Hereinafter, the present invention is described in detail referring to attached drawing and in conjunction with preferred embodiment.But it is applicable in principle, reality of the invention
Example is applied to be not limiting, and it is merely meant that advantageous embodiment.Shown in feature can be individually or other with specification
Feature and claims are individually illustrated in combination or union declaration.Wherein:
Fig. 1 is the position for including motor and the automobile door lock and ladder pin of the worm screw that are mounted on motor relative to worm screw
The three-dimensional view set,
Fig. 2 shows the automobile door locks according to Fig. 1 for including the worm gear being mounted on ladder pin, and
Fig. 3 is the schematic cross-sectional view of the automobile door lock in the ladder area in which the goods are in great demand domain with worm gear and the cap for closing lock housing.
Specific embodiment
Fig. 1 is to see that the visual angle to lock housing cover 2 shows the three-dimensional view of automobile door lock 1, wherein motor 3 is matched with shape
Conjunction mode is placed into lock housing cover 2, and worm screw 5 is mounted on output shaft 4.Ladder pin 6 in this embodiment with lock housing cover 2
It is integrally formed.It can see that ladder pin 6 has the first ladder 7 and the second ladder 8.Furthermore ladder pin 6 has through-hole 9, which prolongs
Extend through ladder pin 6 and lock housing 2.
In addition, automobile door lock 1 has the tank 10 for such as micro switch and is also equipped with the bar 11 of swingable installation.In snail
The axial end 12 of bar 5, worm screw 5 are accommodated in the fulcrum bearing 13 of shell 2.Therefore worm screw 5 is supported by output shaft 4 and fulcrum bearing 13
In lock housing cover 2.
Fig. 2 shows automobile door lock 1 again with solid, and herein, worm gear 14 is mounted on ladder pin 6.Worm gear 14 exists
Partially with toothing 15, wherein the toothing 15 is engaged with worm screw 5.Worm gear 14 also has damping piece 16,17, when worm gear 14
When being rocked to its final position, the damping piece and backstop 18 cooperate.In addition, worm gear 14 has cylindricality extension, worm gear 14 is for example
It can be engaged with cylindricality extension with unshowned pawl or locking rod.
Worm gear 14 is directed radially by the first ladder 7 of ladder pin 6.The height of second ladder 8 is designed in this way, that is, rank
Terraced pin 6 is slightly beyond worm gear 14.
The schematic cross-sectional view of worm gear 21 that Fig. 3 shows automobile door lock, being especially mounted on ladder pin 20.Here,
Ladder pin 20 is integrally formed with lock housing cover 22.At this point, ladder pin 20 has the first ladder 23 and the second ladder 24.In order to fix snail
Wheel 21, cap be placed on the second ladder 24 and by rivet or bolt 26 with lock housing cover 22 is inseparable couples.Rivet or
Bolt 26 can also be made of as shell 2,22 plastics at this time, herein, the both ends of rivet or bolt 26 such as hot pressing
At.Rivet or bolt 26 extend across the opening 28 in clamshell 22, ladder pin 20 and cap 25 along axis 27.
For radial support, radial clearance S is equipped between worm gear 21 and the first ladder 23 of ladder pinR.In worm gear 21
The axial gap S of topAWorm gear 21 is reliably reliably supported on ladder pin 20 by gap needed for providing so as to function.It therefore can
To guarantee the reliable guidance of the worm gear 21 in automobile door lock.
Reference signs list
1 automobile door lock
2,22 lock housing cover
3 motor
4 output shafts
5 worm screws
6,20 ladder pin
7,23 first ladder
8,24 second ladder
9,28 through-hole
10 tanks
11 bars
12 axial ends
13 fulcrum bearings
14,21 worm gear
15 toothings
16,17 damping piece
18 backstops
19 cylindricality extensions
25 caps
26 rivets or bolt
27 axis
SRRadial clearance
SAAxial gap.
Claims (10)
1. a kind of automobile door lock (1), with locking mechanism, the locking mechanism is by rotation claw, at least one pawl and use
It is constituted in the locking unit of the locking mechanism,
It includes the electric drive mechanism (3) of worm screw (5) and the worm gear (14,21) engaged with the worm screw (5) that it, which has at least one,
Wherein, which can be mounted in the shell (2,22,25) of the automobile door lock (1),
It is characterized in that
The worm gear (14,21) can be mounted on ladder pin (6,20), wherein can be in the first ladder of the ladder pin (6,20)
Radial directed is obtained on (7,23), and can be obtained on the second ladder (8,24) of the ladder pin axially directed.
2. automobile door lock (1) according to claim 1, characterized in that the worm gear (14,21) has at least two to correspond to
The opening of the ladder pin (6,20) is attached on the ladder pin (6,20) so that the worm gear (14,21) can cover.
3. automobile door lock (1) according to claim 1 or 2, characterized in that the ladder pin (6,20) has coherent opening
(9,28), especially hole, wherein the hole cooperates with the component (25) for fixing the worm gear (14,21).
4. according to claim 1 to automobile door lock described in one of 3 (1), characterized in that the worm gear (14,21) can be by the shell
Body (2,22,25) is simultaneously fixed by the rivet or bolt (26) for extending through the shell (2,22,25).
5. according to claim 1 to automobile door lock described in one of 4 (1), characterized in that the first ladder of the ladder pin (6,20)
The diameter for the opening that the first ladder (7,23) of the diameter ratio of (7,23) and the ladder pin (6,20) cooperates is smaller, especially small
0.1mm to 0.3mm.
6. automobile door lock (1) according to one of claims 1 to 5, characterized in that the second-order with the ladder pin (6,20)
The height of worm gear (14,21) part of terraced (8,24) cooperation is more smaller than the height of the second ladder (8,24), especially small 0.1mm
To 0.3mm.
7. automobile door lock (1) according to one of claims 1 to 6, characterized in that the ladder pin (6,20) can be with lock housing cover
(2,22) are integrally formed.
8. according to claim 1 to automobile door lock described in one of 7 (1), characterized in that the worm gear (14,21) is only in local tool
There are toothing (15).
9. according to claim 1 to automobile door lock described in one of 8 (1), characterized in that the worm gear (14,21) has at least one
A damping mechanism (16,17).
10. according to claim 1 to automobile door lock described in one of 9 (1), characterized in that the worm gear (14,21) prolongs with cylindricality
Long portion (19), wherein the cylindricality extension (19) can especially engaged with locking rod or pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810353522.8A CN110388142A (en) | 2018-04-19 | 2018-04-19 | Automobile door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810353522.8A CN110388142A (en) | 2018-04-19 | 2018-04-19 | Automobile door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110388142A true CN110388142A (en) | 2019-10-29 |
Family
ID=68283840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810353522.8A Pending CN110388142A (en) | 2018-04-19 | 2018-04-19 | Automobile door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110388142A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587748A (en) * | 2012-03-01 | 2012-07-18 | 上海大学 | High-reliability burglary-preventive control mechanism for automobile door lock |
| CN103597156A (en) * | 2011-04-09 | 2014-02-19 | 开开特股份公司 | Locking system |
| CN103851093A (en) * | 2012-11-29 | 2014-06-11 | 天津埃柯特测控技术有限公司 | Worm gear transmission device |
| CN203796005U (en) * | 2014-04-03 | 2014-08-27 | 河南北方星光机电有限责任公司 | Quick electric unlocking and locking mechanism of automobile door lock |
| GB2536721A (en) * | 2015-03-27 | 2016-09-28 | Johnson Electric Sa | Integrated door lock sub-assembly |
-
2018
- 2018-04-19 CN CN201810353522.8A patent/CN110388142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597156A (en) * | 2011-04-09 | 2014-02-19 | 开开特股份公司 | Locking system |
| CN102587748A (en) * | 2012-03-01 | 2012-07-18 | 上海大学 | High-reliability burglary-preventive control mechanism for automobile door lock |
| CN103851093A (en) * | 2012-11-29 | 2014-06-11 | 天津埃柯特测控技术有限公司 | Worm gear transmission device |
| CN203796005U (en) * | 2014-04-03 | 2014-08-27 | 河南北方星光机电有限责任公司 | Quick electric unlocking and locking mechanism of automobile door lock |
| GB2536721A (en) * | 2015-03-27 | 2016-09-28 | Johnson Electric Sa | Integrated door lock sub-assembly |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191029 |