CN112177453A - Lock mechanism for triggering process of door opening signal - Google Patents
Lock mechanism for triggering process of door opening signal Download PDFInfo
- Publication number
- CN112177453A CN112177453A CN202011169720.2A CN202011169720A CN112177453A CN 112177453 A CN112177453 A CN 112177453A CN 202011169720 A CN202011169720 A CN 202011169720A CN 112177453 A CN112177453 A CN 112177453A
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- China
- Prior art keywords
- pawl
- switch
- signal
- push rod
- bolt
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Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
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- Lock And Its Accessories (AREA)
Abstract
The invention provides a lock mechanism for a door opening signal triggering process, which comprises the following components: the lock comprises a shell, a pawl resetting component, a bolt resetting component, a switch, a pawl release lever, a signal push rod, a signal resetting component and a cam, wherein the pawl, the pawl resetting component, the bolt and the bolt resetting component realize the opening, half locking and full locking of the lock, the pawl release lever is arranged on the pawl, the signal push rod is rotationally arranged on the shell, when the lock tongue is in a half locking or opening position, the spring plate of the switch is pressed, the cam is arranged on the lock tongue, the cam is provided with a pushing component, the lock tongue pushes the signal push rod to rotate in the process from half locking to full locking, the signal push rod releases the switch before the lock tongue reaches the full locking position, and the pawl release rod compresses the switch before the signal push rod releases the switch, so that the condition that the switch signal is not reversed before the lock tongue reaches the full locking position is ensured.
Description
Technical Field
The invention belongs to the technical field of automobile locks, and particularly relates to a lock mechanism in a triggering process of a door opening signal.
Background
With the development of science and technology, the requirements of automobiles on automation are higher, and the automation of the movement of part mechanisms is improved by various parts, so that the requirements of people on operability, comfort, rapidness and convenience are met. The existing design is that a ratchet wheel and a pawl are half-opened and are provided with independent switches for feeding back the position of the ratchet wheel and the pawl, each switch is provided with 2 leads led out from the switch and connected to an electronic system of a vehicle body, and the electronic circuit of a lock body is complicated and the process difficulty is increased; inaccuracy in the feedback of the position of the ratchet and pawl from the switch is caused by the independence of the switch control and the discontinuity in the movement of the parts.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a lock mechanism capable of accurately and reliably feeding back whether or not an automobile door is in a fully closed state, in a process of triggering a door opening signal.
The invention provides a lock mechanism for a door opening signal triggering process, which is characterized by comprising the following components:
a housing;
the pawl is rotatably arranged on the shell;
a pawl return member cooperating with said pawl for rotational return of said pawl;
the lock tongue is rotatably arranged on the shell and comprises first meshing teeth and second meshing teeth, and the lock tongue is matched with the pawl to realize the opening, full locking and half locking of the lock tongue;
the bolt resetting component is matched with the bolt and is used for the rotation resetting of the bolt;
the switch is arranged on the shell and connected with the automobile body controller, the switch is a normally open switch, the switch comprises an elastic sheet, and the switch is closed by pressing the elastic sheet;
the pawl release lever is arranged on the pawl and used for opening the bolt and pressing the elastic sheet in the process that the bolt is locked from half to full to prevent the open/close state of the switch from changing, and the shape of the pawl release lever and the position relation of the pawl release lever and the elastic sheet meet the following requirements: when the bolt is positioned at the opening, half locking and full locking positions, the pawl release lever is not in contact with the elastic sheet, and in the process that the bolt rotates from the half locking position to the full locking position, the pawl release lever can compress the elastic sheet to close the switch;
the signal push rod is rotatably arranged on the shell, and presses the elastic sheet of the switch when the lock tongue is in a half locking or opening position, and is separated from the elastic sheet of the switch when the lock tongue is in a full locking position;
the signal resetting component is matched with the signal push rod and is used for resetting after the signal push rod rotates; and
the cam is installed on the lock tongue, a pushing component is arranged on the cam, and the position relation between the pushing component and the signal push rod meets the following requirements: in the process that the lock tongue is locked from half to full, the pushing component pushes the signal push rod to rotate, and the pushing component pushes the signal push rod to rotate by an angle, so that the signal push rod is separated from the elastic sheet of the switch before the lock tongue is locked fully.
Further, in the lock mechanism for triggering the door opening signal provided by the invention, the following characteristics can be provided: the casing includes base plate and apron, be provided with first pivot, second pivot on the base plate, the pawl rotates to be installed in the first pivot, the spring bolt rotates to be installed in the second pivot, the signal push rod rotates to be installed on the apron.
Further, in the lock mechanism for triggering the door opening signal provided by the invention, the following characteristics can be provided: the pawl reset component is a torsion spring, a spring coil of the torsion spring is sleeved on the first rotating shaft, one end of the torsion spring is installed on the base plate, and the other end of the torsion spring is installed on the pawl.
Further, in the lock mechanism for triggering the door opening signal provided by the invention, the following characteristics can be provided: the signal reset component and the spring bolt reset component are double springs, each double spring comprises two sections of spring coils which are different in turning direction, each double spring is provided with two fixing feet at two ends and a middle fixing foot which is connected with the two sections of spring coils which are different in turning direction, one fixing foot at two ends is arranged on the spring bolt, the other fixing foot is arranged on the signal push rod, the middle fixing foot is arranged on the shell, and the spring coils of the double springs are sleeved on the second rotating shaft.
Further, in the lock mechanism for triggering the door opening signal provided by the invention, the following characteristics can be provided: the cover plate is provided with a stop block, when the lock tongue is positioned at a half locking or opening position, the stop block is contacted with the signal push rod, and the stop block is matched with the double springs and used for limiting the position of the signal push rod when the lock tongue is positioned at a half locking or opening position.
The invention has the following advantages:
the lock mechanism in the triggering process of the door opening signal can accurately feed back the accuracy of the lock tongue and the pawl at the full locking position.
Drawings
FIG. 1 is a schematic structural view of a lock mechanism during activation of a door open signal in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram between a deadbolt signal and a signal push rod in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a dual spring configuration in an embodiment of the present invention;
FIG. 4 is a structural schematic view of the opening of the lock mechanism during the triggering of a door open signal in an embodiment of the present invention;
FIG. 5 is a schematic view of the configuration of the half-latching of the lock mechanism during activation of the door open signal in an embodiment of the present invention;
fig. 6 is a schematic view of the full latching of the lock mechanism during activation of the door open signal in an embodiment of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, the following embodiments specifically describe the lock mechanism of the triggering process of the door opening signal in the present invention with reference to the attached drawings.
A latch mechanism 100 for triggering a door open signal is mounted to an automobile door. As shown in fig. 1, the lock mechanism 100 for the triggering process of the door open signal includes: housing, pawl 11, pawl return member 12, deadbolt 20, deadbolt return member, switch 30, pawl release lever 40, signal push rod 50, signal return member, cam 60.
The housing includes a base plate (not shown) and a cover plate 91.
The pawl 11 is rotatably mounted on the base plate. Specifically, a first rotating shaft 13 is mounted on the base plate, and the pawl 11 is rotatably mounted on the first rotating shaft 13.
A pawl return member 12 cooperates with the pawl 11 for rotational return of the pawl 11. In this embodiment, the pawl return member 12 is a torsion spring, the coil of which is fitted over the first rotation shaft 13, one end of which is mounted on the base plate and the other end of which is mounted on the pawl 11.
Locking bolt 20 is rotatably mounted to the base plate. Specifically, a second rotating shaft 21 is mounted on the base plate, and the latch bolt 20 is rotatably mounted on the second rotating shaft 21. Locking bolt 20 includes a first engagement tooth 22 and a second engagement tooth 23. The locking tongue 20 is matched with the pawl 11 to realize the opening, full locking and half locking of the locking tongue 20. When the first engaging tooth 22 of the latch bolt 20 is engaged with the pawl 11, the latch bolt 20 is in a half-lock state, and when the second engaging tooth 23 of the latch bolt 20 is engaged with the pawl 11, the latch bolt 20 is in a full-lock state.
A deadbolt reset member cooperates with deadbolt 20 for rotational reset of deadbolt 20.
The pawl 11, the pawl resetting component 12, the bolt 20 and the bolt resetting component are matched, so that the bolt 20 is always contacted with the pawl 11 in the rotation process from opening to full locking of the bolt 20; or the bolt 20 is contacted with the pawl 11 from the opening to the position before half locking and then contacted with the pawl 11 all the time when rotating to the position of full locking.
The switch 30 is mounted on the housing and connected to the body controller. The switch 30 is a normally open switch, and the switch 30 includes a spring plate 31, and the switch is closed by pressing the spring plate 31. Whether the vehicle door is fully locked or not is fed back through the closing and the opening of the switch. When the switch 30 is closed, the switch displayed by the vehicle body controller is in a switch-on state, and the door lock is opened or semi-locked; when the switch 30 is turned on, the switch displayed by the vehicle body controller is in an off state, and the door lock is fully locked.
A pawl release lever 40 is mounted on the pawl 11. The functions of the pawl release lever 40 include: 1. when the locking bolt 20 is fully locked or semi-locked, the pawl release lever 40 is pushed to enable the locking bolt 20 to be disengaged from the pawl 11, so that unlocking is performed; 2. during the process from half-locking to full-locking of the latch tongue 20, the pawl release lever 40 presses the resilient piece 31, preventing the open/close state of the switch 30 from being changed. The shape of the pawl release lever 40 and the position relationship between the pawl release lever 40 and the spring plate 31 of the switch 30 satisfy: when the latch bolt 20 is located at the open, half-locked and full-locked positions, the pawl release lever 40 is not in contact with the elastic sheet 31, and in the process that the latch bolt 20 rotates from the half-locked position to the full-locked position, the pawl release lever 40 can compress the elastic sheet 31 of the switch 30, so that the switch 30 is closed.
The signal push rod 50 is rotatably mounted on the cover plate 91, when the lock tongue 20 is in a half-locking or opening position, the signal push rod 50 presses the elastic sheet 31 of the switch 30, when the lock tongue 20 is in a full-locking position, the signal push rod 50 is separated from the elastic sheet 31 of the switch, the switch 30 is opened, and the change of a signal state is realized.
The signal reset component is matched with the signal push rod 50 and used for resetting after the signal push rod 50 rotates.
In this embodiment, the signal returning member and the latch returning member are a double spring 80, as shown in fig. 3, the double spring 80 includes two sections of coils 81 and 82 with different turning directions, the double spring has two end fixing legs 83 and 84 and a middle fixing leg 85 connecting the two sections of coils with different turning directions, the two end fixing legs 83 and 83 are installed on the latch 20, the fixing leg 84 is installed on the signal push rod 50, the middle fixing leg 85 is installed on the housing, and the coils of the double spring 80 are sleeved on the second rotating shaft 21. Specifically, as shown in fig. 2, a protrusion 51 is provided on a side of the signal push rod 50 facing the latch bolt 20, the fixing leg 84 is limited by the protrusion 51, the housing further includes a limiting plate 92, and the middle fixing leg 85 is limited by the limiting plate 92.
In this embodiment, as shown in fig. 2, a stopper 911 is disposed on the cover plate 91, when the latch 20 is located at the half-locking or opening position, the stopper 911 is in contact with the signal push rod 50, and the stopper 911 cooperates with the double spring 80 to limit the position of the signal push rod 50 when the latch 20 is located at the half-locking or opening position, where the position enables the signal push rod 50 to press the elastic sheet 31 of the switch 30, so that the switch 30 is closed.
The cam 60 is mounted on the bolt 20, the cam 60 is provided with a pushing member 61, and the position relationship between the pushing member 61 and the signal push rod 50 satisfies the following conditions: the pushing member 61 does not contact the signal push rod 50 in the process that the locking tongue 20 rotates from the open state to the half-locking state, the pushing member 61 contacts the signal push rod 50 and pushes the signal push rod 50 to rotate in the process that the locking tongue 20 rotates from the half-locking state to the full-locking state, and the pushing member 61 pushes the signal push rod 50 to rotate by an angle that the signal push rod 50 is separated from the elastic sheet 31 of the switch 30 before the locking tongue 20 rotates to the full-locking state, so that the compression on the elastic sheet 31 of the switch 30 is released, the switch 30 is disconnected, specifically, the signal push rod 50 and the elastic sheet 31 can be in contact without compression or a certain gap exists between the signal push rod 50 and the elastic sheet 31. In this embodiment, when the locking tongue 20 is located at the full locking position, a certain gap exists between the signal push rod 50 and the elastic sheet 31.
The working principle or process is as follows:
as shown in fig. 4 and 5, when the latch tongue 20 is located at the open and half-latched positions, the pawl release lever 40 does not contact the elastic piece 31 of the switch 30, the signal push rod 50 presses the elastic piece 31 of the switch 30, and the switch 30 is turned on. When the latch bolt 20 rotates from the half-locking state to the full-locking state, as seen in the direction of fig. 5, after rotating a certain angle, the pushing member 61 on the cam 60 contacts the signal push rod 50 and pushes the signal push rod 50 to rotate counterclockwise, the compression amount of the signal push rod 50 on the elastic sheet 31 of the switch 30 becomes smaller and smaller, and before the second engaging tooth 23 of the latch bolt 20 engages with the pawl 11, the signal push rod 50 is disengaged from the elastic sheet 31 and keeps a certain gap with the elastic sheet 31; during the process of rotating the latch bolt 20 from the half-locking state to the full-locking state, due to the cooperation of the latch bolt 20 and the pawl 11, the pawl 11 rotates clockwise to drive the pawl release lever 40 to rotate clockwise, the clockwise rotation of the pawl release lever 40 causes the pawl release lever 40 to approach the elastic sheet 31 of the switch 30 gradually, before the compression of the signal push rod 50 on the elastic sheet 31 can not close the switch 30, the pawl release lever 40 presses the elastic sheet 31, so that the switch 30 is kept closed, and the signal state of the switch 30 is not changed. After the second engaging tooth 23 of the latch bolt 20 is engaged with the pawl 11, the pawl 11 rotates counterclockwise under the torque force of the pawl resetting member 12, the pawl 11 rotates counterclockwise to drive the pawl releasing lever 40 to rotate counterclockwise, the pawl releasing lever 40 rotates counterclockwise to cause the pawl releasing lever 40 to move away from the elastic sheet 31 of the switch 30, so that the compression on the elastic sheet 31 is released, the switch 30 is opened, the signal state changes, and the door lock is fed back to the vehicle body controller to be completely locked. This process ensures that switch 30 is always closed before bolt 20 reaches the fully latched position.
As shown in fig. 6, when unlocking, the locking bolt 20 rotates from full locking to half locking, an external force pulls the pawl release lever 40 to rotate clockwise, the second engaging tooth 23 of the locking bolt 20 is disengaged from the pawl 11, the locking bolt 20 rotates clockwise under the torsion of the double spring 80 to reach the half locking position, the locking bolt 20 rotates clockwise to drive the cam 60 to rotate clockwise, and the signal push rod 50 rotates clockwise under the torsion of the double spring 80 to reset.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (5)
1. A lock mechanism for triggering a door opening signal, comprising:
a housing;
the pawl is rotatably arranged on the shell;
a pawl return member cooperating with said pawl for rotational return of said pawl;
the lock tongue is rotatably arranged on the shell and comprises first meshing teeth and second meshing teeth, and the lock tongue is matched with the pawl to realize the opening, full locking and half locking of the lock tongue;
the bolt resetting component is matched with the bolt and is used for the rotation resetting of the bolt;
the switch is arranged on the shell and connected with the automobile body controller, the switch is a normally open switch, the switch comprises an elastic sheet, and the switch is closed by pressing the elastic sheet;
the pawl release lever is arranged on the pawl and used for opening the bolt and pressing the elastic sheet in the process that the bolt is locked from half to full to prevent the open/close state of the switch from changing, and the shape of the pawl release lever and the position relation of the pawl release lever and the elastic sheet meet the following requirements: when the bolt is positioned at the opening, half locking and full locking positions, the pawl release lever is not in contact with the elastic sheet, and in the process that the bolt rotates from the half locking position to the full locking position, the pawl release lever can compress the elastic sheet to close the switch;
the signal push rod is rotatably arranged on the shell, and presses the elastic sheet of the switch when the lock tongue is in a half locking or opening position, and is separated from the elastic sheet of the switch when the lock tongue is in a full locking position;
the signal resetting component is matched with the signal push rod and is used for resetting after the signal push rod rotates; and
the cam is installed on the lock tongue, a pushing component is arranged on the cam, and the position relation between the pushing component and the signal push rod meets the following requirements: in the process that the lock tongue is locked from half to full, the pushing component pushes the signal push rod to rotate, and the pushing component pushes the signal push rod to rotate by an angle, so that the signal push rod is separated from the elastic sheet of the switch before the lock tongue is locked fully.
2. The emergency release mechanism of a self-priming door lock as recited in claim 1, wherein:
the casing includes base plate and apron, be provided with first pivot, second pivot on the base plate, the pawl rotates to be installed in the first pivot, the spring bolt rotates to be installed in the second pivot, the signal push rod rotates to be installed on the apron.
3. The door opening signal trigger process lock mechanism of claim 2, wherein:
the pawl reset component is a torsion spring, a spring coil of the torsion spring is sleeved on the first rotating shaft, one end of the torsion spring is installed on the base plate, and the other end of the torsion spring is installed on the pawl.
4. The door opening signal trigger process lock mechanism of claim 2, wherein:
the signal reset component and the spring bolt reset component are double springs, each double spring comprises two sections of spring coils which are different in turning direction, each double spring is provided with two fixing feet at two ends and a middle fixing foot which is connected with the two sections of spring coils which are different in turning direction, one fixing foot at two ends is arranged on the spring bolt, the other fixing foot is arranged on the signal push rod, the middle fixing foot is arranged on the shell, and the spring coils of the double springs are sleeved on the second rotating shaft.
5. The door opening signal trigger process lock mechanism of claim 2, wherein:
the cover plate is provided with a stop block, when the lock tongue is positioned at a half locking or opening position, the stop block is contacted with the signal push rod, and the stop block is matched with the double springs and used for limiting the position of the signal push rod when the lock tongue is positioned at a half locking or opening position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169720.2A CN112177453B (en) | 2020-10-28 | 2020-10-28 | Lock mechanism for triggering process of door opening signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169720.2A CN112177453B (en) | 2020-10-28 | 2020-10-28 | Lock mechanism for triggering process of door opening signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112177453A true CN112177453A (en) | 2021-01-05 |
| CN112177453B CN112177453B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011169720.2A Active CN112177453B (en) | 2020-10-28 | 2020-10-28 | Lock mechanism for triggering process of door opening signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112177453B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434584A (en) * | 2022-10-10 | 2022-12-06 | 上海恩井汽车科技有限公司 | Motor vehicle lock signal trigger device, motor vehicle lock and motor vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315008A (en) * | 2008-06-26 | 2008-12-03 | 宁波信泰机械有限公司 | Door lock for luggage case for automobile |
| CN202299753U (en) * | 2011-10-25 | 2012-07-04 | 昆山麦格纳汽车系统有限公司 | Slide block type switch of automobile luggage case door lock |
| CN203835082U (en) * | 2014-04-22 | 2014-09-17 | 伟速达（中国）汽车安全系统有限公司 | Automobile front cover lock double opening mechanism |
| CN214786730U (en) * | 2020-10-28 | 2021-11-19 | 上海恩坦华汽车门系统有限公司 | Lock mechanism for triggering process of door opening signal |
-
2020
- 2020-10-28 CN CN202011169720.2A patent/CN112177453B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315008A (en) * | 2008-06-26 | 2008-12-03 | 宁波信泰机械有限公司 | Door lock for luggage case for automobile |
| CN202299753U (en) * | 2011-10-25 | 2012-07-04 | 昆山麦格纳汽车系统有限公司 | Slide block type switch of automobile luggage case door lock |
| CN203835082U (en) * | 2014-04-22 | 2014-09-17 | 伟速达（中国）汽车安全系统有限公司 | Automobile front cover lock double opening mechanism |
| CN214786730U (en) * | 2020-10-28 | 2021-11-19 | 上海恩坦华汽车门系统有限公司 | Lock mechanism for triggering process of door opening signal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434584A (en) * | 2022-10-10 | 2022-12-06 | 上海恩井汽车科技有限公司 | Motor vehicle lock signal trigger device, motor vehicle lock and motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112177453B (en) | 2024-05-28 |
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