CN210598530U - Automobile front engine compartment cover lock with two-stage unlocking - Google Patents
Automobile front engine compartment cover lock with two-stage unlocking Download PDFInfo
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- CN210598530U CN210598530U CN201921202502.7U CN201921202502U CN210598530U CN 210598530 U CN210598530 U CN 210598530U CN 201921202502 U CN201921202502 U CN 201921202502U CN 210598530 U CN210598530 U CN 210598530U
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- engine compartment
- cover
- torsion spring
- front engine
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Abstract
The utility model provides a two-stage unlocking automobile front engine compartment cover lock, which comprises a rear cover, a front cover, an upper cover, a hollow shaft, a rotating shaft, a first torsion spring, a second torsion spring, a third torsion spring, a latch hook, a shifting piece and a microswitch; the hollow shaft and the rotating shafts are arranged in mounting holes of the rear cover, and are respectively provided with 2 parts, namely a first hollow shaft, a second hollow shaft, a first rotating shaft and a second rotating shaft, the first hollow shaft is sleeved with a first torsion spring and an upper cover, the first rotating shaft is sleeved with a second torsion spring and a locking hook, the second rotating shaft is sleeved with a third torsion spring and a shifting piece, and the second torsion spring and the third torsion spring are limited and fixed through the second hollow shaft; the micro switch is fixed on the rear cover and arranged below the lock hook, and the front cover is fixed on the rear cover through riveting of a hollow shaft and a rotating shaft and is used for clamping and fixing the upper cover. The utility model discloses compact structure, low cost, high strength, noise are little, and one-level unblock and second grade unblock all are controlled by the driver's cabin.
Description
Technical Field
The utility model relates to an automobile front engine compartment lid lock field specifically relates to an automobile front engine compartment lid lock of second grade unblock.
Background
At present, most automobile front engine hatch covers in the market have a secondary locking structure, the automobile front engine hatch cover lock with the secondary locking structure can prevent the front engine hatch cover from being locked by the secondary locking structure when the primary lock is accidentally opened in the driving process, and traffic accidents caused by the fact that the front engine hatch cover is suddenly opened to block the sight of a driver can be effectively avoided.
The automobile front engine compartment cover lock with secondary unlocking can be divided into two forms according to the unlocking mode: one form is that both the primary and secondary unlocking are controlled by the cab; the other form is that the primary unlocking is controlled by a cab, and the secondary unlocking is manually started before a passenger arrives at the vehicle body.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a motor hatch cover lock before car of second grade unblock, the utility model provides a compact structure, low cost, high strength, noise are little, and engine hatch cover lock before car that one-level unblock and second grade unblock all are controlled by the driver's cabin.
According to one aspect of the utility model, a two-stage unlocking automobile front engine compartment cover lock is provided, which comprises a rear cover (1), a front cover (2), an upper cover (3), a hollow shaft (4), a rotating shaft (5), a first torsion spring (7), a second torsion spring (8), a third torsion spring (9), a lock hook (11), a shifting piece (12) and a microswitch (13); the hollow shaft (4) and the rotating shaft (5) are arranged in mounting holes of the rear cover (1) and are respectively provided with 2 first hollow shafts (41) and second hollow shafts (42), first rotating shafts (51) and second rotating shafts (52), the first hollow shafts (41) are sleeved with the first torsion springs (7) and the upper cover (3), the first rotating shafts (51) are sleeved with the second torsion springs (8) and the locking hooks (11), the second rotating shafts (52) are sleeved with the third torsion springs (9) and the shifting pieces (12), and the second torsion springs (8) and the third torsion springs (9) are limited through the second hollow shafts (42); micro-gap switch (13) are fixed on back lid (1), and set up the below at latch hook (11), protecgulum (2) are through hollow shaft (4) and pivot (5) riveting fixed on back lid (1), press from both sides tight fixed upper cover (3) simultaneously.
Preferably, the hollow shaft (4) and the rotating shaft (5) are mounted on the rear cover (1) in a riveting mode.
Preferably, the top of the first rotating shaft (51) and the top of the second rotating shaft (52) are sleeved with limit blocks (6) which respectively limit the lock hook (11) and the plectrum (12). The limiting block limits the lock hook and the shifting piece to prevent the lock hook and the shifting piece from sliding forwards and backwards.
Preferably, the second rotating shaft (52) is sleeved with a buffer block (10). The buffer block reduces the differential vibration and friction when the lock hook is engaged with the shifting piece, reduces the noise, improves the wear resistance and prolongs the service life.
Preferably, the microswitch (13) is connected with a warning lamp for indicating that the engine cover in the automobile instrument panel is not closed through a wire harness, when the engine compartment cover lock is unlocked and the lock hook (11) rotationally touches the microswitch (13), the warning lamp for indicating that the engine cover on the instrument panel is not closed is in a lighting state. When the lock hook (11) rotationally touches the microswitch (13), the unlocking of the front engine compartment cover lock is indicated, and the warning lamp is turned on to play a role in reminding a driver.
Preferably, the microswitch (13) is mounted on the rear cover (1) in a riveting manner.
Preferably, 2 latches are arranged on one side of the bottom of the pull piece (12) facing the lock hook (11), the latch is a first latch (121) and a second latch (122), the other side of the bottom of the pull piece is provided with a fixing column (123) connected with the zipper, and the top of the pull piece (12) is provided with a first limiting tooth (124). The front engine compartment cover switch is connected with the zipper controller through a wire harness, and the front engine compartment cover switch is buckled to control the zipper to be pulled.
Preferably, one side of the lock hook (11) facing the plectrum (12) is provided with a second limit tooth (111) meshed with the first latch tooth (121) or the second latch tooth (122) and a third limit tooth (112) matched with the first limit tooth (124) for limiting, the other side is provided with a lock groove (113) locked with the lock catch (14), and the bottom end is provided with a protrusion (114) touching the micro switch (13).
Preferably, the front engine compartment cover lock is mounted on the front end module of the front engine compartment of the vehicle by means of a hollow shaft (4).
The automobile front engine compartment cover lock comprises the following 5 working states:
when the engine compartment cover is in a locked state (as shown in fig. 3), the second limit tooth (111) of the lock hook (11) is meshed with the second latch tooth (122) of the pull tab (12), and the lock hook (11) is locked and fixed on the lock catch (14) on the front engine compartment cover under the action of the third torsion spring (9) and the pull tab (12).
When the zipper is in an unlocking state (as shown in fig. 4), the fixing column (123) of the pull plate (12) is fixedly connected with the zipper, when the front engine compartment cover in the cab is buckled to be opened or closed, the zipper is automatically pulled, the pull plate (12) rotates anticlockwise, the second limiting tooth (111) of the lock hook (11) is separated from the second latch tooth (122) of the pull plate (12), and the lock hook (11) rotates under the action of the second torsion spring (8) until the third limiting tooth (112) of the lock hook (11) is meshed with the first limiting tooth (124) of the pull plate (12) for limiting, so that the lock hook (11) is prevented from continuously rotating, and the lock catch is prevented from being separated once.
And thirdly, when the front engine compartment cover is in a first-stage unlocking state (as shown in fig. 5), a switch of the front engine compartment cover in the cab is loosened, the zipper is automatically loosened, the plectrum (12) is restored to the original position under the action of the force of the third torsion spring (9), the second limiting tooth (111) of the lock hook (11) is meshed with the first latch tooth (121) of the plectrum (12), and at the moment, the lock catch drives the whole front engine compartment cover to move upwards for a section under the action of the force of the first torsion spring (7) to complete first-stage unlocking.
And fourthly, when the automobile front engine compartment cover is in a secondary unlocking state, namely when the lock catch is in a disengagement state (as shown in fig. 6), the front engine compartment cover switch in the cab is buckled again, the control zipper is automatically pulled, the second limiting tooth (111) of the lock hook (11) is disengaged from the first latch tooth (121) of the pull plate (12), the lock hook (11) rotates under the action of the force of the second torsion spring (8) until the second torsion spring (8) touches the second hollow shaft (42), the lock hook (11) is completely disengaged from the pull plate (12) at the moment, secondary unlocking is completed, and the automobile front engine compartment cover bounces under the action of the force of the first torsion spring (7).
And fifthly, during locking, the lock catch on the front engine compartment cover overcomes the resistance of the first torsion spring (7) and the second torsion spring (8) to fall under the action of external force, the lock hook (11) is driven to rotate anticlockwise, and the second limiting tooth (111) of the lock hook (11) pushes the first latch (121) and the second latch (122) of the pull piece (12) to enable the pull piece (12) to rotate anticlockwise until the front engine compartment cover is locked to be restored to the locking state.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model relates to a two-stage unlocking automobile front engine compartment cover lock, which has to be unlocked twice, the front cover can be opened, when the first-stage lock is opened accidentally, the second-stage lock can still lock the engine cover, thus preventing the front engine compartment cover from being suddenly opened to block the sight of the driver and causing traffic accidents;
(2) the utility model relates to a two-stage unlocking automobile front engine compartment cover lock, the one-stage unlocking and the two-stage unlocking are controlled by a cab, so that the operation steps of passengers are reduced;
(3) the utility model relates to a two-stage unlocking automobile front engine compartment cover lock, which reasonably arranges the buffer block, reduces the differential vibration and friction when the lock hook is meshed with the shifting piece, lightens the noise, improves the wear resistance and prolongs the service life;
(4) the utility model relates to a two-stage unlocking automobile front engine compartment cover lock, which has simple and compact structure, ingenious design and obvious effect;
(5) the utility model relates to a two-stage unlocking automobile front engine compartment cover lock, which is provided with a micro switch connected with a warning light, can effectively remind a driver that the front engine compartment cover lock is unlocked;
(6) the utility model relates to a two-stage unlocking automobile front engine compartment cover lock, which is provided with two-stage unlocking, improves the safety performance, has strong practicability, and can effectively avoid traffic accidents caused by the fact that the front engine compartment cover is suddenly opened to shield the sight of a driver;
(7) the utility model relates to an automobile front engine compartment lid lock of second grade unblock, long service life easily processes and assembles, and is with low costs, and high strength is fit for promoting on a large scale.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is an exploded view of a two-stage unlocked automotive front engine compartment cover lock;
FIG. 2 is a schematic cross-sectional view of an automotive front engine compartment cover lock with secondary unlocking;
FIG. 3 is a schematic view of the front engine compartment cover lock in a locked state;
FIG. 4 is a schematic view of the front engine compartment cover latch in a state where the zippers remain unzipped;
FIG. 5 is a schematic view of the front engine compartment cover lock in a first stage unlocked state;
FIG. 6 is a schematic view of the front engine compartment cover lock in a secondary unlocked state.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
The embodiment provides a two-stage unlocking automobile front engine compartment cover lock, the structure of which is detailed in the accompanying figures 1-6: the device comprises a rear cover 1, a front cover 2, an upper cover 3, a hollow shaft 4, a rotating shaft 5, a first torsion spring 7, a second torsion spring 8, a third torsion spring 9, a locking hook 11, a shifting piece 12 and a microswitch 13; the hollow shaft 4 and the rotating shaft 5 are both arranged in mounting holes of the rear cover 1, and are respectively provided with 2 parts, namely a first hollow shaft 41, a second hollow shaft 42, a first rotating shaft 51 and a second rotating shaft 52, the first hollow shaft 41 is sleeved with the first torsion spring 7 and the upper cover 3, the first rotating shaft 51 is sleeved with the second torsion spring 8 and the locking hook 11, the second rotating shaft 52 is sleeved with the third torsion spring 9 and the shifting piece 12, and the second torsion spring 8 and the third torsion spring 9 are limited by the second hollow shaft 42; the microswitch 13 is fixed on the rear cover 1 and is arranged below the lock hook 11, and the front cover 2 is riveted and fixed on the rear cover 1 through the hollow shaft 4 and the rotating shaft 5 and simultaneously clamps and fixes the upper cover 3.
Preferably, the hollow shaft 4 and the rotating shaft 5 are mounted on the rear cover 1 by riveting.
Preferably, the top of the first rotating shaft 51 and the top of the second rotating shaft 52 are sleeved with a limiting block 6 for limiting the locking hook 11 and the pick 12 respectively. The limiting block limits the lock hook and the shifting piece to prevent the lock hook and the shifting piece from sliding forwards and backwards.
Preferably, the second rotating shaft 52 is sleeved with a buffer block 10. The buffer block reduces the differential vibration and friction when the lock hook is engaged with the shifting piece, reduces the noise, improves the wear resistance and prolongs the service life.
Preferably, the microswitch 13 is connected with a warning lamp for not closing the engine hood in the automobile instrument panel through a wire harness, when the engine hood lock is unlocked and the lock hook 11 rotationally touches the microswitch 13, the warning lamp for not closing the engine hood on the instrument is in a lighting state. When the lock hook 11 rotationally touches the micro switch 13, the unlocking of the front engine compartment cover lock is indicated, and the warning lamp is turned on to play a role in reminding a driver.
Preferably, the microswitch 13 is mounted on the rear cover 1 by riveting.
Preferably, 2 latch teeth, namely a first latch tooth 121 and a second latch tooth 122, are arranged on one side of the bottom of the pick 12 facing the latch hook 11, a fixing column 123 connected with the zipper is arranged on the other side of the bottom of the pick 12, and a first limit tooth 124 is arranged at the top of the pick 12. The front engine compartment cover switch is connected with the zipper controller through a wire harness, and the front engine compartment cover switch is buckled to control the zipper to be pulled.
Preferably, a second limit tooth 111 meshed with the first latch 121 or the second latch 122 and a third limit tooth 112 matched with the first limit tooth 124 for limiting are arranged on one side of the lock hook 11 facing the dial 12, a lock groove 113 locked with the lock catch 14 is arranged on the other side, and a protrusion 114 touching the micro switch 13 is arranged at the bottom end.
Preferably, the front engine compartment cover lock is mounted on the front end module of the automotive front engine compartment by means of a hollow shaft 4.
The automobile front engine compartment cover lock comprises the following 5 working states:
first, in a locked state (as shown in fig. 3), the second limit tooth 111 of the lock hook 11 is engaged with the second latch tooth 122 of the paddle 12, and the lock hook 11 locks the latch 14 fixed on the front engine compartment cover under the action of the third torsion spring 9 and the paddle 12.
Secondly, when the zipper is kept in an open state (as shown in fig. 4), the fixing column 123 of the pull tab 12 is connected and fixed with the zipper, when a switch of a front engine compartment cover in a cab is buckled, the zipper is automatically pulled, the pull tab 12 rotates counterclockwise, the second limit tooth 111 of the lock hook 11 is separated from the second latch tooth 122 of the pull tab 12, and the lock hook 11 rotates under the force of the second torsion spring 8 until the third limit tooth 112 of the lock hook 11 is meshed with the first limit tooth 124 of the pull tab 12 for limiting, so that the lock hook 11 is prevented from rotating continuously, and the lock catch is prevented from being disengaged once.
And thirdly, when the front engine compartment cover in the cab is unlocked in the first-stage state (as shown in fig. 5), the zipper is automatically released, the pull piece 12 is restored to the original position under the action of the force of the third torsion spring 9, the second limiting tooth 111 of the lock hook 11 is meshed with the first latch 121 of the pull piece 12, and at the moment, the lock catch drives the whole front engine compartment cover to move upwards for a section under the action of the force of the first torsion spring 7, so that the first-stage unlocking is completed.
And fourthly, when the automobile front engine hood is in a secondary unlocking state, namely when the lock catch is in a disengagement state (as shown in fig. 6), the front engine hood switch in the cab is buckled again, the control zipper is automatically pulled, the second limiting tooth 111 of the lock hook 11 is disengaged from the first latch tooth 121 of the pull piece 12, the lock hook 11 rotates under the action of the force of the second torsion spring 8 until the second torsion spring 8 touches the second hollow shaft 42, at the moment, the lock catch 11 is completely disengaged from the pull piece 12, secondary unlocking is completed, and the automobile front engine hood bounces under the action of the force of the first torsion spring 7.
And fifthly, during locking, the lock catch on the front engine compartment cover overcomes the resistance of the first torsion spring 7 and the second torsion spring 8 to fall under the action of external force, the lock hook 11 is driven to rotate anticlockwise, and the second limiting tooth 111 of the lock hook 11 pushes the first latch 121 and the second latch 122 of the pull piece 12 to enable the pull piece 12 to rotate anticlockwise until the front engine compartment cover is locked to be restored to the locking state.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (9)
1. A two-stage unlocking automobile front engine compartment cover lock is characterized by comprising a rear cover (1), a front cover (2), an upper cover (3), a hollow shaft (4), a rotating shaft (5), a first torsion spring (7), a second torsion spring (8), a third torsion spring (9), a lock hook (11), a shifting piece (12) and a microswitch (13); the hollow shaft (4) and the rotating shaft (5) are arranged in mounting holes of the rear cover (1) and are respectively provided with 2 first hollow shafts (41) and second hollow shafts (42), first rotating shafts (51) and second rotating shafts (52), the first hollow shafts (41) are sleeved with the first torsion springs (7) and the upper cover (3), the first rotating shafts (51) are sleeved with the second torsion springs (8) and the locking hooks (11), the second rotating shafts (52) are sleeved with the third torsion springs (9) and the shifting pieces (12), and the second torsion springs (8) and the third torsion springs (9) are limited through the second hollow shafts (42); micro-gap switch (13) are fixed on back lid (1), and set up the below at latch hook (11), protecgulum (2) are through hollow shaft (4) and pivot (5) riveting fixed on back lid (1), press from both sides tight fixed upper cover (3) simultaneously.
2. The secondary unlocking vehicle front bonnet lock as claimed in claim 1, wherein the hollow shaft (4) and the rotary shaft (5) are mounted on the rear bonnet (1) by riveting.
3. The secondary unlocking automobile front engine compartment cover lock according to claim 1, wherein the top of the first rotating shaft (51) and the second rotating shaft (52) are sleeved with limit blocks (6) which respectively limit the lock hook (11) and the pull piece (12).
4. The secondary unlocked automotive front hood lock according to claim 1, characterized in that said second shaft (52) is sleeved with a bumper (10).
5. The secondary unlocking front hood lock of an automobile according to claim 1, wherein the microswitch (13) is connected to a hood unclosed warning lamp in an instrument panel of the automobile through a wire harness, and when the front hood lock is unlocked and the lock hook (11) is in rotary contact with the microswitch (13), the hood unclosed warning lamp on the instrument is in a light-up state.
6. The secondary unlocking automotive front engine compartment cover lock according to claim 1, characterized in that the microswitch (13) is mounted on the rear cover (1) by riveting.
7. The automobile front engine compartment cover lock with the secondary unlocking function according to claim 1, wherein 2 latch teeth, namely a first latch tooth (121) and a second latch tooth (122), are arranged on one side, facing the lock hook (11), of the bottom of the pull tab (12), a fixing column (123) connected with a zipper is arranged on the other side, and a first limiting tooth (124) is arranged at the top of the pull tab (12).
8. The automobile front engine compartment cover lock with the secondary unlocking function according to claim 7 is characterized in that a second limiting tooth (111) meshed with the first clamping tooth (121) or the second clamping tooth (122) and a third limiting tooth (112) matched with the first limiting tooth (124) for limiting are arranged on one side, facing the pull plate (12), of the lock hook (11), a lock groove (113) locked with the lock catch (14) is formed in the other side, and a protrusion (114) touching the micro switch (13) is arranged at the bottom end of the lock hook.
9. The secondary unlocked automotive front hood lock according to claim 1, characterized in that the front hood lock is mounted on the front end module of the automotive front hood through a hollow shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202502.7U CN210598530U (en) | 2019-07-29 | 2019-07-29 | Automobile front engine compartment cover lock with two-stage unlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202502.7U CN210598530U (en) | 2019-07-29 | 2019-07-29 | Automobile front engine compartment cover lock with two-stage unlocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210598530U true CN210598530U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921202502.7U Active CN210598530U (en) | 2019-07-29 | 2019-07-29 | Automobile front engine compartment cover lock with two-stage unlocking |
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| Country | Link |
|---|---|
| CN (1) | CN210598530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306233A (en) * | 2022-07-19 | 2022-11-08 | 重庆长安汽车股份有限公司 | Two zip of front shroud and car |
-
2019
- 2019-07-29 CN CN201921202502.7U patent/CN210598530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306233A (en) * | 2022-07-19 | 2022-11-08 | 重庆长安汽车股份有限公司 | Two zip of front shroud and car |
| CN115306233B (en) * | 2022-07-19 | 2023-06-09 | 重庆长安汽车股份有限公司 | Front cover double-zipper and automobile |
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