CN107476684B - Locking mechanism of automobile lock - Google Patents
Locking mechanism of automobile lock Download PDFInfo
- Publication number
- CN107476684B CN107476684B CN201710930520.6A CN201710930520A CN107476684B CN 107476684 B CN107476684 B CN 107476684B CN 201710930520 A CN201710930520 A CN 201710930520A CN 107476684 B CN107476684 B CN 107476684B
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- CN
- China
- Prior art keywords
- arm
- opening
- locking
- locking pawl
- rotating shaft
- 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.)
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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
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/36—Noise prevention; Anti-rattling means
Abstract
The invention relates to an automobile locking mechanism, which comprises a rotating clamping plate (1) and a locking pawl (2) which are respectively rotatably arranged on a first rotating shaft (A) and a second rotating shaft (B) and are mutually matched to realize locking and unlocking states, and is characterized in that the outline (21) of the meshing surface of the locking pawl (2) and the rotating clamping plate (1) is an eccentric arc surface, and a component force blocking locking mechanism which slides firstly and then rotates is arranged on the other side of the locking pawl (2). The invention disperses the force by the eccentric design of the meshing part of the locking pawl and further counteracts the acting force by the component force blocking mechanism, thereby effectively reducing the releasing force generated at the moment when the locking pawl is disengaged from the rotating clamping plate, reducing the noise, buffering the vibration, prolonging the service life of the lock body and greatly increasing the comfort of the user operation.
Description
Technical Field
The invention relates to an automobile lock locking mechanism, and belongs to the technical field of automobile lock structures.
Background
At present, the traditional automobile lock structure usually uses the engagement between the snap-gauge and the locking pawl to realize the locking and unlocking functions, when the locking pawl is unlocked, namely the locking pawl is disengaged from the snap-gauge, the acting force of the automobile door on the snap-gauge, namely the door panel force, is released instantly, so as to generate larger noise and give the impression of bad sense of the user; meanwhile, when the bicycle lock is opened, the friction force generated when the locking claw is meshed with the clamping plate is overcome, the friction force can be increased along with the increase of the sealing force of the door, and can also be increased under the influence of dust along with the lapse of the using time, so that the use feeling of the comfort is poor for a user.
Disclosure of Invention
The invention aims to provide an automobile lock locking mechanism, which can reduce the opening force of a door lock, reduce opening noise and greatly improve the use sense organ comfort of a user by eccentrically setting the outline of the meshing part of a locking pawl and a clamping plate and designing a component force blocking locking mechanism which slides firstly and then rotates.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an automobile locking mechanism comprises a rotating clamping plate 1 and a locking pawl 2 which are respectively rotatably mounted on a first rotating shaft A and a second rotating shaft B and are mutually matched to realize locking and unlocking states, and is characterized in that the outline 21 of the meshing surface of the locking pawl 2 and the rotating clamping plate 1 is an eccentric arc surface, and the other side of the locking pawl 2 is provided with a component force blocking locking mechanism which slides firstly and then rotates;
the eccentric cambered surface can decompose the acting force of the rotating clamping plate 1 on the locking pawl 2 in a locking state into a central acting force on a rotating shaft of the locking pawl 2 and a tangential component force perpendicular to the direction of the acting force;
the component force blocking locking mechanism is composed of a blocking arm 4 and a blocking block 5 which are positioned on the outer side of the locking claw 2, and in the rotating opening process of the locking claw 2, the acting force from the rotating clamping plate 1 is firstly transmitted to the blocking arm 4 adjacent to the locking claw, and then the force is finally transmitted to the blocking block 5 on the other side of the locking claw through the blocking arm.
The eccentric arc surface of the profile 21 of the engagement surface of the locking pawl 2 is ensured: the distance from the meshing point of the rotating card 1 and the locking claw 2 to the second rotating shaft B is gradually shortened along with the opening process of the locking claw 2.
An opening arm 3 is rotatably mounted on the second rotating shaft B, one end of the opening arm 3 receives an opening acting force or an external direct acting force from an opening mechanism in the lock body, and the other end of the opening arm 3 is in driving connection with the locking pawl 2, so that the locking pawl 2 is driven to rotate around the second rotating shaft B to generate an unlocking action when the lock body is opened and rotated;
the blocking arm 4 is rotatably mounted on a third rotating shaft C and is pivotally mounted with the opening arm 3 through the third rotating shaft C, a first profile surface 41 contacting with the stopping claw 2 is arranged on one side of the blocking arm 4, and a second profile surface 42 contacting with the blocking block 5 is arranged on the other side of the blocking arm 4;
the second rotating shaft B is provided with a locking pawl torsion spring 6, one end of the locking pawl torsion spring is fixed relative to the space position of the second rotating shaft B, and the other end of the locking pawl torsion spring is abutted against the protruding part 43 of the blocking arm 4, so that the blocking arm 4 generates movement torque around the third rotating shaft C; meanwhile, the blocking arm 4 is pivotally connected with the opening arm 3, so that the acting force of the stop pawl torsion spring 6 on the blocking arm 4 can also enable the blocking arm 4 and the opening arm 3 to generate movement torque around the second rotating shaft B.
The association structure between the opening arm 3 and the latch claw 2 is as follows: the opening arm 3 is provided with a U-shaped opening 31, the locking claw 2 is provided with a U-shaped opening receiving part 23 embedded into the U-shaped opening 31, and the locking claw 2 is in driving connection through the related structure while the opening arm 3 rotates; the U-shaped opening 31 provides a predetermined sliding distance to the U-shaped opening receiving portion 23, so that in the locked state, the U-shaped opening receiving portion 23 abuts against one side 311 of the U-shaped opening 31, and in the process from unlocking to opening, the U-shaped opening receiving portion 23 abuts against the other side 312 of the U-shaped opening 31.
The rotary catch plate 1 has a catch plate engaging surface 12 which engages with the engaging surface profile 21 of the catch 2 in the locked state, and a catch plate abutment surface 11 which abuts against the engaging surface profile 21 of the catch 2 in the unlocked state.
The automobile locking mechanism has the advantages of simple and reasonable structural design, safe and reliable operation, less parts and small space occupation, disperses force by the eccentric design of the meshing part of the locking pawl, further counteracts acting force by the component force blocking mechanism, effectively reduces releasing force generated at the moment when the locking pawl is disengaged from the rotating clamping plate, reduces noise, buffers vibration, prolongs the service life of a lock body, and greatly improves the comfort of user operation.
Drawings
FIG. 1: an axial view of an automotive latch mechanism of the present invention;
FIG. 2: the invention relates to a locking state view of an automobile locking mechanism; (without soleplate 7)
FIG. 3: a lock mechanism for a vehicle of the present invention opens a first stage locking pawl 2 to release a locked state;
(a pawl-free torsion spring 6, a riveting shaft A, a riveting shaft B and a bottom plate 7);
FIG. 4: the invention relates to a locking mechanism of a car lock, which opens the opening state of a second stage locking pawl 2;
(a pawl-free torsion spring 6, a riveting shaft A, a riveting shaft B and a bottom plate 7);
in the figure, a first rotating shaft, B, a second rotating shaft, C, a third rotating shaft, 1, a rotating chuck plate, 11, a chuck plate abutting surface, 12, a chuck plate engaging surface, 2, a locking claw, 21, an engaging surface contour, 22, a transmission surface contour, 23, a U-shaped opening receiving part, 3, an opening arm, 31, a U-shaped opening, 311, one side edge, 312, the other side edge, 4, a blocking arm, 41, a first contour surface, 42, a second contour surface, 43, a protruding part, 5, a blocking block, 6, a locking claw torsion spring, 7 and a bottom plate.
Detailed Description
A vehicle latch locking mechanism according to the present invention is described in further detail below with respect to FIGS. 1-4. The state of the art of the present invention will be explained in more detail with reference to the accompanying drawings, but the embodiments merely show the preferred aspects of the present invention, and the present invention is not limited thereto;
Example 1
A car locks the locking mechanism, including the bottom plate 7 with fore shaft, and the first axis of rotation A, the second axis of rotation B, the third axis of rotation C and stop block 5 laid in the predetermined position of the said bottom plate 7; the rotary clamping plate 1 is installed on the first rotating shaft A through a clamping plate torsion spring, the opening arm 3 and the locking claw 2 are installed on the second rotating shaft B at the same time, the blocking arm 4 is installed on the third rotating shaft C, the blocking arm 4 is located between the locking claw 2 and the blocking block 5, and one end of the locking claw torsion spring 6 is fixed and is abutted to the protruding portion 43 of the blocking arm 4.
In the above arrangement of the present embodiment, the rivet is used as the rotating shaft to rivet on the bottom plate 7, but other methods can be used, and it is not limited to that, and it is characterized in that the rivet shaft and the stopper 5 are fixed on the bottom plate 7 by riveting to form a rigid body with a relatively fixed spatial position.
The structures and functions of the various parts are described below:
rotating the clamping plate 1: has two states of locking and unlocking and can rotate around a first rotating shaft A,
the locking pawl 2: the rotating clamping plate 1 is meshed with the rotating clamping plate to play a role of locking and unlocking together and can rotate around a second rotating shaft B; the outline 21 of the engaging surface of the rotating clamping plate 1 is eccentrically designed: namely, the distance from the meshing point of the rotating clamping plate 1 and the stopping claw 2 to the rotating center of the stopping claw 2 is gradually reduced when the stopping claw 2 is opened: when the rotary clamping plate 1 is in the locking position due to the eccentric setting of the stopping pawl 2, the acting force of the rotary clamping plate 1 on the stopping pawl 2 is decomposed into a force passing through the rotation center of the stopping pawl 2 and a tangential force tangent to the rotation center of the stopping pawl 2 and is finally transmitted to the blocking block 5 through the blocking arm 4; the opening arm 3 is provided with a U-shaped mouth 31, the latch claw 2 is provided with a U-shaped mouth receiving portion 23, the U-shaped mouth receiving portion 23 is set in the U-shaped mouth 31 of the opening arm 3, and in the locked state: is abutted with one side 311 of the U-shaped opening 31; in the process from unlocking to unlocking: is abutted with the other side edge 312 of the U-shaped opening 31; the U-shaped receiving portion 23 used in this embodiment is a riveted projection structure, and other associated structures may be used.
Opening arm 3: receiving the opening acting force or external direct acting force of the opening mechanism in the lock body, playing the opening role, and being capable of rotating around the second rotating shaft B, namely being coaxially set with the locking pawl 2; the opening arm 3 is pivotally mounted together with the blocking arm 4, i.e. the blocking arm 4 can rotate about the second rotation axis B at the same time as it rotates about the third rotation axis C, under the action of the opening arm 3:
dog torsion spring 6: the stopping claw 2, the opening arm 3 and the blocking arm 4 are provided with a resetting function, one end of the stopping claw is fixed, the other end of the stopping claw is abutted against the protruding part 43 of the blocking arm 4, and the acting force of the stopping claw can enable the blocking arm 4 to generate movement torque around the third rotating shaft C; because the blocking arm 4 is connected with the opening arm 3, the acting force of the stop pawl torsion spring 6 on the blocking arm 4 can also make the blocking arm 4 and the opening arm 3 generate the movement torque around the second rotating shaft B; and because the U-shaped mouth accepting part 23 of the locking pawl 2 is abutted against one side 311 of the U-shaped mouth 31 of the opening arm 3 when the locking is carried out, the acting force of the locking pawl torsion spring 6 on the opening arm 3 can also make the blocking arm 4, the opening arm 3 and the locking pawl 2 generate the movement torque around the second rotating shaft B; the acting force of the stop pawl torsion spring 6 on the blocking arm 4 ensures that the contour surface 41 of the blocking arm 4 is always contacted with the contour surface 22 of the stop pawl 2;
The barrier arm 4: the function of transmitting tangential component force caused by the eccentric design of the locking claw 2 is achieved, and the locking claw can rotate around the third rotating shaft C; meanwhile, the rotary shaft can rotate around a second rotating shaft B; and when the opening arm 3 is in the locking position, the second profile surface 42 of the blocking arm 4 is in contact with the blocking tab 5; when the opening arm 3 is positioned at the opening position, the blocking arm 4 is not contacted with the blocking block 5;
a blocking block 5: the space is fixed and plays a role in receiving and blocking component force;
when opening, the opening arm 3 is divided into two stages:
open phase of the latch pawl 2: when the locking is released, the other side 112 of the U-shaped opening 31 of the opening arm 3 abuts on the U-shaped opening receiving part 23 of the latch claw 2, so that when the opening arm 3 continues to rotate, the latch claw 2 is opened, thereby enabling the rotating catch plate 1 to move from the locking state to the opening state:
when the clamping plate 1 is in an opening state, the meshing surface of the locking pawl 2 abuts against the contour surface 11 of the clamping plate 1, so that the locking pawl 2, the opening arm 3 and the blocking arm 4 are always kept at opening positions;
When the clamping plate 1 moves from the opening state to the locking state, the meshing surface of the locking pawl 2 is separated from the clamping plate abutting surface 11 of the rotating clamping plate 1, and the locking pawl 2, the opening arm 3 and the blocking arm 4 are reset to the locking position under the action of the locking pawl torsion spring 6.
In the embodiment, the special setting of the meshing part of the locking claw 2 and the rotating clamping plate 1 enables the bicycle lock to be opened in a labor-saving and low-noise manner, and the component force blocking locking mechanism which slides firstly and then rotates is set, so that the bicycle lock can be used for a door lock or a hood lock.
The above-described working processes of the present invention are examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (6)
1. A locking mechanism of automobile lock comprises a rotary catch plate (1) and a locking pawl (2) which are respectively rotatably arranged on a first rotating shaft (A) and a second rotating shaft (B) and are mutually matched to realize locking and unlocking states, and is characterized in that,
the outline (21) of the engaging surface of the locking pawl (2) and the rotating clamping plate (1) is an eccentric arc surface, and a component force blocking locking mechanism which slides firstly and then rotates is arranged on the other side of the locking pawl (2);
The component force blocking locking mechanism is composed of a blocking arm (4) and a blocking block (5) which are positioned on the outer side of the locking pawl (2), the locking pawl (2) firstly transmits acting force from the rotating clamping plate (1) to the blocking arm (4) adjacent to the locking pawl in the rotating opening process, and then finally transmits force to the blocking block (5) on the other side of the locking pawl through the blocking arm (4);
an opening arm (3) is rotatably mounted on the second rotating shaft (B), one end of the opening arm (3) receives an opening acting force or an external direct acting force from an opening mechanism in the lock body, and the other end of the opening arm (3) is connected with the locking pawl (2) in a driving mode, so that the locking pawl (2) is driven to rotate around the second rotating shaft (B) to generate an unlocking action when the opening and the rotation are carried out;
the utility model discloses a stopper, including stopper arm (4), open arm (3), stop arm (4) and stop dog (5), the stopper arm (4) rotate install in third pivot (C) and through third pivot (C) with open arm (3) pivot installation together, stop arm (4) one side be equipped with the first profile face (41) that holding pawl (2) contacted, the opposite side of stopper arm (4) be equipped with the second profile face (42) that stop dog (5) contacted.
2. A vehicle latch mechanism according to claim 1, characterised in that
The eccentric cambered surface can decompose the acting force of the rotating clamping plate (1) on the locking claw (2) in the locking state into a central acting force on a rotating shaft of the locking claw (2) and a tangential component force perpendicular to the direction of the acting force.
3. A vehicle latch mechanism according to claim 2, characterised in that
The eccentric arc surface of the engagement surface profile (21) of the locking pawl (2) is ensured to be as follows: the distance from the meshing point of the rotating clamping plate (1) and the locking pawl (2) to the second rotating shaft (B) is gradually shortened along with the opening process of the locking pawl (2).
4. A vehicle latch mechanism according to claim 3, characterised in that
An opening arm torsion spring (6) is arranged on the second rotating shaft (B), one end of the opening arm torsion spring is fixed relative to the space position of the second rotating shaft (B), and the other end of the opening arm torsion spring is abutted against the protruding part (43) of the blocking arm (4), so that the blocking arm (4) generates a movement torque around the third rotating shaft (C); meanwhile, the blocking arm (4) is in pivot connection with the opening arm (3), so that the acting force of the stop pawl torsion spring (6) on the blocking arm (4) can enable the blocking arm (4) and the opening arm (3) to generate movement torque around the second rotating shaft (B).
5. A vehicle latch mechanism according to claim 4 characterised in that
The correlation structure between the opening arm (3) and the stopping claw (2) is as follows: the opening arm (3) is provided with a U-shaped opening (31), the locking pawl (2) is provided with a U-shaped opening receiving part (23) embedded into the U-shaped opening (31), and the locking pawl (2) is in driving connection through the related structure while the opening arm (3) rotates; the U-shaped opening (31) provides a preset sliding distance for the U-shaped opening receiving part (23), so that the U-shaped opening receiving part (23) is abutted with one side (311) of the U-shaped opening (31) in a locking state, and the U-shaped opening receiving part (23) is abutted with the other side (312) of the U-shaped opening (31) in the process from unlocking to opening.
6. A vehicle latch mechanism according to claim 5, characterised in that
The rotary catch plate (1) has a catch plate engaging surface (12) which engages with an engaging surface contour (21) of the catch pawl (2) in the locked state, and a catch plate abutment surface (11) which abuts against the engaging surface contour (21) of the catch pawl (2) in the open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710930520.6A CN107476684B (en) | 2017-10-09 | 2017-10-09 | Locking mechanism of automobile lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710930520.6A CN107476684B (en) | 2017-10-09 | 2017-10-09 | Locking mechanism of automobile lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107476684A CN107476684A (en) | 2017-12-15 |
| CN107476684B true CN107476684B (en) | 2022-07-19 |
Family
ID=60605090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710930520.6A Active CN107476684B (en) | 2017-10-09 | 2017-10-09 | Locking mechanism of automobile lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107476684B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188543A (en) * | 2018-11-15 | 2020-05-22 | 开开特股份公司 | Automobile lock |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2632003B2 (en) * | 1987-10-21 | 1993-12-03 | Vachette Sa | IMPROVEMENTS ON LATCHES ASSISTED AT PENE ROTATIF |
| CN1058068C (en) * | 1994-11-10 | 2000-11-01 | 三井金属矿业株式会社 | Vehicle door lock device |
| JP3450640B2 (en) * | 1997-04-03 | 2003-09-29 | シロキ工業株式会社 | Door auto closer |
| JPH10292705A (en) * | 1997-04-17 | 1998-11-04 | Aisin Seiki Co Ltd | Door locking device for vehicle |
| JP2004238841A (en) * | 2003-02-04 | 2004-08-26 | Toyo Seat Co Ltd | Locking device |
| JP2006233456A (en) * | 2005-02-22 | 2006-09-07 | Aisin Seiki Co Ltd | Door lock device |
| JP4444318B2 (en) * | 2007-08-09 | 2010-03-31 | 三井金属鉱業株式会社 | Latch device for vehicle |
| JP5162793B2 (en) * | 2009-08-10 | 2013-03-13 | 三井金属アクト株式会社 | Latch device for vehicle seat |
| US8789861B2 (en) * | 2010-09-03 | 2014-07-29 | Aisin Seiki Kabushiki Kaisha | Vehicle door operating mechanism |
| JP5679882B2 (en) * | 2011-03-31 | 2015-03-04 | 富士機工株式会社 | Sheet fixing device |
| JP6155488B2 (en) * | 2011-10-21 | 2017-07-05 | キーケルト アクツィーエンゲゼルシャフト | Locking device having a claw portion having a plurality of parts |
| JP5546521B2 (en) * | 2011-11-01 | 2014-07-09 | アイシン機工株式会社 | Door lock device |
| EP2881529B1 (en) * | 2012-07-31 | 2018-03-21 | Aisin Seiki Kabushiki Kaisha | Door lock device |
| FR3000125B1 (en) * | 2012-12-20 | 2017-11-10 | Valeo Securite Habitacle | LOCK OF MOTOR VEHICLE |
| JP5681223B2 (en) * | 2013-03-07 | 2015-03-04 | シロキ工業株式会社 | Locking device |
| ITTO20130781A1 (en) * | 2013-09-30 | 2015-03-31 | Magna Closures Spa | LOCK FOR A DOOR OF A MOTOR VEHICLE |
| CN205116998U (en) * | 2015-10-29 | 2016-03-30 | 无锡忻润汽车安全系统有限公司 | Automobile door lock machinery locking mechanism |
| KR101923890B1 (en) * | 2015-11-30 | 2018-11-30 | 현대자동차주식회사 | Improved door latch structure for vehicle |
| CN207377324U (en) * | 2017-10-09 | 2018-05-18 | 烟台三环锁业集团股份有限公司 | A kind of automotive lock locking mechanism |
-
2017
- 2017-10-09 CN CN201710930520.6A patent/CN107476684B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107476684A (en) | 2017-12-15 |
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