CN116220487A - Linear motion type door lock unlocking mechanism - Google Patents
Linear motion type door lock unlocking mechanism Download PDFInfo
- Publication number
- CN116220487A CN116220487A CN202310449756.3A CN202310449756A CN116220487A CN 116220487 A CN116220487 A CN 116220487A CN 202310449756 A CN202310449756 A CN 202310449756A CN 116220487 A CN116220487 A CN 116220487A
- Authority
- CN
- China
- Prior art keywords
- pawl
- shaft
- linkage arm
- ratchet
- door lock
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000013016 damping Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001960 triggered effect Effects 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
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/20—Bolts or detents
- E05B85/24—Bolts rotating about an axis
-
- 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
- E05B85/20—Bolts or detents
- E05B85/24—Bolts rotating about an axis
- E05B85/26—Cooperation between bolts and detents
Abstract
The invention provides a linear motion type door lock opening mechanism, which comprises a ratchet shaft, a pawl shaft and a pawl linkage arm shaft which are sequentially arranged, wherein a ratchet capable of freely rotating is sleeved on the ratchet shaft, a lock bolt clamping groove is formed in the ratchet, a pawl capable of freely rotating is sleeved on the pawl shaft, a pawl linkage arm capable of freely rotating is sleeved on the pawl linkage arm shaft, the upper end of the pawl is in locking engagement with the lower end of the ratchet, and the lower end of the pawl is in locking engagement with the upper end of the pawl linkage arm; the side surface of the lower end of the pawl linkage arm is provided with a pushing rod, and the inner end part of the pushing rod can push the pawl linkage arm to rotate around the pawl linkage arm shaft; ratchet return springs, pawl return springs and pawl linkage arm return springs are respectively sleeved on the ratchet shaft, the pawl shaft and the pawl linkage arm shaft. The linear motion type door lock unlocking mechanism provided by the invention realizes door lock unlocking by using the button to perform linear motion, is simple and convenient to operate, occupies small space, and has the advantages of portability, small size, practicability and the like.
Description
Technical Field
The present disclosure relates to door locks, and particularly to a door lock with a linear motion.
Background
In recent years, new energy automobiles develop rapidly, impact the traditional automobile industry, and also put higher requirements on automobile door lock manufacturers. The traditional door lock opening device is placed on a plane perpendicular to a ratchet wheel and a pawl of a lock and is opened in a rotary transmission mode, so that the door lock is large in size, and is contrary to a new potential vehicle making concept, and the problem that each automobile part provider needs to solve is solved by designing a lock body which is stable in performance and complete in function, but can save cost, lighten an automobile body and is convenient to operate.
Disclosure of Invention
The invention aims to overcome the existing defects, provides a linear motion type door lock unlocking mechanism and solves the problem that the existing rotary transmission type door lock is large in size.
In order to solve the technical problems, the invention provides the following technical scheme:
the linear motion type door lock unlocking mechanism comprises a ratchet shaft, a pawl shaft and a pawl linkage arm shaft which are sequentially arranged, wherein a ratchet capable of freely rotating is sleeved on the ratchet shaft, a lock plunger clamping groove is formed in the ratchet, a pawl capable of freely rotating is sleeved on the pawl shaft, a pawl linkage arm capable of freely rotating is sleeved on the pawl linkage arm shaft, the upper end of the pawl is in locking engagement with the lower end of the ratchet, and the lower end of the pawl is in locking engagement with the upper end of the pawl linkage arm; a pushing rod is arranged on the side surface of the lower end of the pawl connecting arm, and the inner end part of the pushing rod can push the pawl connecting arm to rotate around the pawl connecting arm shaft; ratchet return springs, pawl return springs and pawl linkage arm return springs are respectively sleeved on the ratchet shaft, the pawl shaft and the pawl linkage arm shaft.
Further, the ratchet wheel, the pawl connecting arm and the pushing rod are all located in the inner cavity, a lock bolt inlet and a lock bolt outlet are formed in the position, corresponding to the ratchet wheel, of the shell, and a pressing opening is formed in the position, corresponding to the outer end portion of the pushing rod, of the shell.
Further, a guide sleeve is arranged in the inner cavity at a position corresponding to the pushing rod, the guide sleeve is fixedly connected with the shell and the cover plate respectively, the pushing rod is located in the guide sleeve and can freely slide in the guide sleeve, and the guide sleeve is correspondingly communicated with the pressing opening.
Further, a plurality of riveting shafts are arranged between the shell and the cover plate, and two ends of each riveting shaft are fixedly connected with the shell and the cover plate respectively.
Further, a shock absorption block is arranged at the joint of the riveting shaft and the cover plate.
Further, a micro switch is arranged on the circumferential side face of the pawl in the inner cavity, and the micro switch is connected with an external connector through a wire harness.
Further, the micro switch is fixed on the shell through a connecting component, and the connecting component consists of a cross groove pan head screw, a spring washer and a flat washer.
Further, the lower end of the pawl linkage arm is hinged with the pushing rod through a connecting shaft, and the connecting shaft is parallel to the pawl linkage arm shaft.
Further, one end of the connecting shaft is a limiting end head, and the other end of the connecting shaft is sleeved with a gasket.
The linear motion type door lock unlocking mechanism disclosed by the invention has the advantages of convenience in operation, small occupied space, portability, small size, practicability and the like, and the door lock is unlocked by utilizing the linear motion of the button.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front cross-sectional view of the present invention;
fig. 3 is a schematic diagram of an exploded construction of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
As shown in fig. 1-3, a linear motion type door lock unlocking mechanism comprises a ratchet shaft 1, a pawl shaft 2 and a pawl linkage arm shaft 3 which are sequentially arranged from top to bottom, wherein a ratchet 4 capable of freely rotating is sleeved on the ratchet shaft 1, a lock bolt clamping groove is formed in the ratchet 4, a pawl 5 capable of freely rotating is sleeved on the pawl shaft 2, a pawl linkage arm 6 capable of freely rotating is sleeved on the pawl linkage arm shaft 3, the upper end of the pawl 5 is in locking engagement with the lower end of the ratchet 4, and the lower end of the pawl 5 is in locking engagement with the upper end of the pawl linkage arm 6; a pushing rod 7 is arranged on the side surface of the lower end of the pawl linkage arm 6, the lower end of the pawl linkage arm 6 is hinged with the pushing rod 7 through a connecting shaft 8, the connecting shaft 8 is parallel to the pawl linkage arm shaft 3, and the inner end part of the pushing rod 7 can push the pawl linkage arm 6 to rotate around the pawl linkage arm shaft 3; ratchet wheel return springs 9, pawl return springs 10 and pawl interlock arm return springs 11 are respectively sleeved on the ratchet wheel shaft 1, the pawl shaft 2 and the pawl interlock arm shaft 3.
The ratchet wheel shaft 1, the pawl shaft 2 and the pawl linkage arm shaft 3 are fixedly connected with the shell 12 and the cover plate 13 respectively, the ratchet wheel 4, the pawl 5, the pawl linkage arm 6 and the push rod 7 are all located in the inner cavity, a lock bolt inlet and a lock bolt outlet are formed in the shell 12 corresponding to the ratchet wheel 4, and a pressing opening is formed in the shell 12 corresponding to the outer end portion of the push rod 7.
The position corresponding to the push rod 7 in the inner cavity is provided with a guide sleeve 14, the guide sleeve 14 is fixedly connected with the shell 12 and the cover plate 13 respectively, the push rod 7 is positioned in the guide sleeve 14 and can freely slide in the guide sleeve 14, and the guide sleeve 14 is correspondingly communicated with the pressing opening.
A micro switch 15 is arranged on the circumferential side surface of the pawl 5 in the inner cavity, and the micro switch 15 is connected with an external connector through a wire harness.
Working principle:
when unlocking is required, the push rod 7 is pressed, the pawl linkage arm 6 rotates anticlockwise around the pawl linkage arm shaft 3, the pawl linkage arm 6 toggles the pawl 5 to rotate clockwise around the pawl shaft 2, the locking of the ratchet wheel 4 is released after the pawl 5 rotates, the ratchet wheel 4 rotates clockwise around the ratchet wheel shaft 1 under the action of the ratchet return spring 9, the lock plunger clamping groove is communicated with the lock plunger inlet and outlet, unlocking of the door lock is achieved, and when the pawl 5 rotates, the micro switch 15 is triggered to output an unlocking signal outwards;
after unlocking, the push rod 7 is released, the pawl linkage arm return spring 11 gives the pawl linkage arm 6 a force for enabling the pawl linkage arm 6 to rotate clockwise around the pawl linkage arm shaft 3, the pawl linkage arm 6 releases the poking of the pawl 5, the pawl return spring 10 gives the pawl 5 a force for enabling the pawl 5 to rotate anticlockwise around the pawl arm 2, but because the ratchet wheel 4 is in the unlocking position, the pawl linkage arm 6 and the pawl 5 cannot rotate freely, locking cannot be completed, when locking is carried out, the lock bolt enters the lock bolt clamping groove through the lock bolt inlet and outlet, the ratchet wheel 4 is pushed to rotate anticlockwise around the ratchet wheel shaft 1, and the pawl 5 rotating anticlockwise around the pawl arm 2 is matched, when the lock engagement position is reached, locking is completed, locking is achieved, at the moment, the pawl 5 and the pawl linkage arm 6 are reset, and the push rod 7 is ejected and reset by the pawl linkage arm 6.
Two riveting shafts 16 are arranged between the shell 12 and the cover plate 13, and two ends of each riveting shaft 16 are fixedly connected with the shell 12 and the cover plate 13 respectively, so that the connection strength between the shell 12 and the cover plate 13 is improved.
The joint of the rivet shaft 16 and the cover plate 13 is provided with a damper block 17.
The microswitch 15 is fixed on the housing 12 by a connection assembly 18, the connection assembly 18 consisting of a cross-slot pan head screw, a spring washer and a flat washer.
One end of the connecting shaft 8 is a limiting end, and the other end of the connecting shaft 8 is sleeved with a gasket 19.
The linear motion type door lock unlocking mechanism disclosed by the invention has the advantages of convenience in operation, small occupied space, portability, small size, practicability and the like, and the door lock is unlocked by utilizing the linear motion of the button.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A linear motion type door lock unlocking mechanism is characterized in that: the ratchet shaft is sleeved with a ratchet capable of freely rotating, the ratchet shaft is provided with a lock bolt clamping groove, the ratchet shaft is sleeved with a pawl capable of freely rotating, the pawl linkage arm shaft is sleeved with a pawl linkage arm capable of freely rotating, the upper end of the pawl is in locking engagement with the lower end of the ratchet, and the lower end of the pawl is in locking engagement with the upper end of the pawl linkage arm;
a pushing rod is arranged on the side surface of the lower end of the pawl connecting arm, and the inner end part of the pushing rod can push the pawl connecting arm to rotate around the pawl connecting arm shaft;
ratchet return springs, pawl return springs and pawl linkage arm return springs are respectively sleeved on the ratchet shaft, the pawl shaft and the pawl linkage arm shaft.
2. The linear motion door lock release mechanism of claim 1, wherein: the ratchet wheel, the pawl linkage arm and the pushing rod are all positioned in the inner cavity, a lock bolt inlet and a lock bolt outlet are arranged at positions of the shell corresponding to the ratchet wheel, and a pressing opening is arranged at positions of the shell corresponding to the outer end part of the pushing rod.
3. A linear motion door lock release mechanism as claimed in claim 2, wherein: the position corresponding to the pushing rod in the inner cavity is provided with a guide sleeve, the guide sleeve is fixedly connected with the shell and the cover plate respectively, the pushing rod is positioned in the guide sleeve and can freely slide in the guide sleeve, and the guide sleeve is correspondingly communicated with the pressing opening.
4. A linear motion door lock release mechanism as claimed in claim 2, wherein: a plurality of riveting shafts are arranged between the shell and the cover plate, and two ends of each riveting shaft are fixedly connected with the shell and the cover plate respectively.
5. The linear motion door lock release mechanism of claim 4, wherein: and a damping block is arranged at the joint of the riveting shaft and the cover plate.
6. A linear motion door lock release mechanism as claimed in claim 2, wherein: and a micro switch is arranged on the circumferential side surface of the pawl in the inner cavity, and the micro switch is connected with an external connector through a wire harness.
7. The linear motion door lock release mechanism of claim 6, wherein: the micro-switch is fixed on the shell through a connecting component, and the connecting component consists of a cross groove pan head screw, a spring washer and a flat washer.
8. The linear motion door lock release mechanism of claim 1, wherein: the lower end of the pawl linkage arm is hinged with the pushing rod through a connecting shaft, and the connecting shaft is parallel to the pawl linkage arm shaft.
9. The linear motion door lock release mechanism of claim 8, wherein: one end of the connecting shaft is a limiting end head, and the other end of the connecting shaft is sleeved with a gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310449756.3A CN116220487A (en) | 2023-04-25 | 2023-04-25 | Linear motion type door lock unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310449756.3A CN116220487A (en) | 2023-04-25 | 2023-04-25 | Linear motion type door lock unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116220487A true CN116220487A (en) | 2023-06-06 |
Family
ID=86573435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310449756.3A Pending CN116220487A (en) | 2023-04-25 | 2023-04-25 | Linear motion type door lock unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116220487A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132812A (en) * | 2011-11-26 | 2013-06-05 | 张国网 | Automobile back door lock |
| WO2013163974A2 (en) * | 2012-05-04 | 2013-11-07 | Kiekert Aktiengesellschaft | Lock for a flap or door |
| CN104514449A (en) * | 2013-10-08 | 2015-04-15 | 平和精工株式会社 | Latch apparatus |
| CN107675968A (en) * | 2017-10-31 | 2018-02-09 | 无锡瑞林控制软件有限公司 | Self-priming tail door lock driving mechanism |
| CN207110745U (en) * | 2017-08-08 | 2018-03-16 | 北京车和家信息技术有限公司 | Tail-gate lock, tailgate assembly and vehicle |
| CN108930464A (en) * | 2018-07-04 | 2018-12-04 | 宁波华楷电子科技有限公司 | A kind of single motor self-priming tail-gate lock and working method |
| DE102019103045A1 (en) * | 2018-02-08 | 2019-08-08 | Magna Closures Inc. | Lock-latch arrangement with locking mechanism with a roller-latch arrangement |
| CN110593677A (en) * | 2019-09-28 | 2019-12-20 | 江苏皓日汽车零部件有限公司 | Engine cover lock assembly |
| CN111703333A (en) * | 2020-06-12 | 2020-09-25 | 北京新能源汽车股份有限公司 | Locking mechanism, locking mechanism assembly and electric automobile |
| CN113147496A (en) * | 2021-04-12 | 2021-07-23 | 无锡忻润汽车安全系统有限公司 | Be used for new energy automobile battery to trade lock soon |
| CN214874324U (en) * | 2021-04-12 | 2021-11-26 | 无锡忻润汽车安全系统有限公司 | Be used for new energy automobile battery to trade lock soon |
| CN115649121A (en) * | 2022-11-09 | 2023-01-31 | 无锡忻润汽车安全系统有限公司 | A quick switching mechanism for new energy automobile trades electric installation |
| CN115949308A (en) * | 2022-12-29 | 2023-04-11 | 东风越野车有限公司 | One-way locking system for vehicle and use method |
-
2023
- 2023-04-25 CN CN202310449756.3A patent/CN116220487A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132812A (en) * | 2011-11-26 | 2013-06-05 | 张国网 | Automobile back door lock |
| WO2013163974A2 (en) * | 2012-05-04 | 2013-11-07 | Kiekert Aktiengesellschaft | Lock for a flap or door |
| CN104514449A (en) * | 2013-10-08 | 2015-04-15 | 平和精工株式会社 | Latch apparatus |
| CN207110745U (en) * | 2017-08-08 | 2018-03-16 | 北京车和家信息技术有限公司 | Tail-gate lock, tailgate assembly and vehicle |
| CN107675968A (en) * | 2017-10-31 | 2018-02-09 | 无锡瑞林控制软件有限公司 | Self-priming tail door lock driving mechanism |
| DE102019103045A1 (en) * | 2018-02-08 | 2019-08-08 | Magna Closures Inc. | Lock-latch arrangement with locking mechanism with a roller-latch arrangement |
| CN108930464A (en) * | 2018-07-04 | 2018-12-04 | 宁波华楷电子科技有限公司 | A kind of single motor self-priming tail-gate lock and working method |
| CN110593677A (en) * | 2019-09-28 | 2019-12-20 | 江苏皓日汽车零部件有限公司 | Engine cover lock assembly |
| CN111703333A (en) * | 2020-06-12 | 2020-09-25 | 北京新能源汽车股份有限公司 | Locking mechanism, locking mechanism assembly and electric automobile |
| CN113147496A (en) * | 2021-04-12 | 2021-07-23 | 无锡忻润汽车安全系统有限公司 | Be used for new energy automobile battery to trade lock soon |
| CN214874324U (en) * | 2021-04-12 | 2021-11-26 | 无锡忻润汽车安全系统有限公司 | Be used for new energy automobile battery to trade lock soon |
| CN115649121A (en) * | 2022-11-09 | 2023-01-31 | 无锡忻润汽车安全系统有限公司 | A quick switching mechanism for new energy automobile trades electric installation |
| CN115949308A (en) * | 2022-12-29 | 2023-04-11 | 东风越野车有限公司 | One-way locking system for vehicle and use method |
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