CN218991230U - Electric front cover lock of automobile engine - Google Patents
Electric front cover lock of automobile engine Download PDFInfo
- Publication number
- CN218991230U CN218991230U CN202220369973.2U CN202220369973U CN218991230U CN 218991230 U CN218991230 U CN 218991230U CN 202220369973 U CN202220369973 U CN 202220369973U CN 218991230 U CN218991230 U CN 218991230U
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- lock
- pawl
- push rod
- front cover
- ratchet hook
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Abstract
The utility model discloses an electric front cover lock of an automobile engine, which relates to the technical field of automobile parts and comprises a lock body mechanism assembly and an actuating mechanism assembly, wherein the lock body mechanism assembly comprises a bottom plate, a cover plate, a ratchet hook, a pawl, a ratchet hook spring, a pawl spring and a bouncing mechanism, the ratchet hook and the pawl are assembled between the bottom plate and the cover plate, a meshing part is arranged on the pawl, and a first meshing part and a second meshing part are arranged on the ratchet hook; the actuating mechanism assembly comprises a main body, a main body upper cover, a motor assembly, a bevel gear, a push rod fixing seat, a push rod and a reset spring, wherein the output end of the motor assembly is in transmission connection with the bevel gear, the push rod fixing seat is movably connected with the bevel gear, the push rod fixing seat is fixedly provided with a push rod, the reset spring is sleeved outside the push rod fixing seat, and the driving end of the push rod is connected with a pawl. The utility model realizes the full-automatic full-locking and half-locking state conversion of the front cover lock to the unlocking state through the mutual matching of the lock body mechanism component and the executing mechanism component, and has the effects of simple and compact structure and stable performance.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to an electric front cover lock of an automobile engine.
Background
The automobile front cover locking system is an important part in an automobile body mechanism, and is a locking mechanism which is arranged on an automobile water tank cross beam and used for locking a front cover.
For example, chinese patent publication No. CN206319741U discloses a novel automobile engine hood lock, and belongs to the technical field of automobile parts. The novel automobile engine cover lock comprises a lower cover plate, a lock hook spring, a lock hook rivet, a pawl spring and a pawl rivet; the latch hook rivet and the pawl rivet penetrate through the latch hook and the pawl respectively and assemble the latch hook and the pawl on the lower cover plate; the lock hook spring is sleeved on the lock hook rivet, and two ends of the lock hook spring are respectively assembled on the lock hook and the lower cover plate; the pawl spring is sleeved on the pawl rivet, and two ends of the pawl spring are respectively assembled on the pawl and the lower cover plate. The utility model realizes the function of opening the engine cover by pulling the tail part of the pawl twice.
However, in this technical solution, the opening of the hood needs to be achieved by pulling the pawl, but the driving force of the pulling pawl does not give a specific technical solution in this patent, and the hood cannot achieve full-automatic opening, and is low in automation degree and intelligent degree.
Based on the problems, the utility model designs an improved electric front cover lock of an automobile engine to solve the problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an electric front cover lock of an automobile engine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an electronic protecgulum lock of automobile engine, includes lock body mechanism subassembly and the actuating mechanism subassembly that can dismantle the connection setting, lock body mechanism subassembly cooperates with the actuating mechanism subassembly in order to realize lock body function, wherein:
the lock body mechanism assembly comprises a bottom plate, a cover plate, a ratchet hook, a pawl, two rivets, a ratchet hook spring, a pawl spring and a bouncing mechanism, wherein the two rivets penetrate through the ratchet hook and the pawl respectively, the ratchet hook and the pawl are assembled between the bottom plate and the cover plate, the ratchet hook spring is sleeved on the rivet penetrating through the ratchet hook, two ends of the spring are assembled on the ratchet hook and the bottom plate respectively, the pawl spring is sleeved on the rivet penetrating through the pawl, two ends of the spring are assembled on the pawl and the bottom plate respectively, the pawl is provided with a meshing part, the ratchet hook is provided with a first meshing part and a second meshing part, and the bouncing mechanism is arranged between the bottom plate and the cover plate;
the actuating mechanism assembly comprises a main body, a main body upper cover, a motor assembly, a bevel gear, a push rod fixing seat, a push rod, a reset spring and a motor connector, wherein the bevel gear and the motor assembly are arranged between the main body and the main body upper cover, the output end of the motor assembly is in transmission connection with the bevel gear, the motor assembly is in electric connection with the motor connector, the push rod fixing seat is movably connected with the bevel gear, the push rod fixing seat is fixedly provided with the push rod, the reset spring is sleeved outside the push rod fixing seat, and the driving end of the push rod is connected with a pawl.
Further, the front cover lock is in three states of full lock, half lock and unlocking;
when the front cover lock is in a full lock state, the meshing part of the pawl is meshed with the first meshing part of the ratchet hook;
the push rod drives the pawl, the meshing part of the pawl is separated from the first meshing part of the ratchet hook, so that the meshing part of the pawl is meshed with the second meshing part of the ratchet hook, and the front cover lock is in a half-locking state at the moment;
when the front cover lock is in an unlocked state, the pawl is out of contact with the ratchet hook.
Further, the device also comprises a micro-switch cover and a micro-switch, wherein the micro-switch cover is arranged between the bottom plate and the cover plate, and the micro-switch is arranged in the micro-switch cover;
when the front cover lock is in a full lock state, the micro switch is in a conducting state;
when the front hood lock is in the half-lock or unlocking state, the micro switch is in the off state and transmits a signal to remind a driver that the engine hood lock is in the half-lock or unlocking state.
Further, the helical gear comprises a gear plate and a screw rod connected with the center of one end of the gear plate;
the driving end of the motor assembly is connected with a driving wheel, and the rotating wheel is in meshed connection with the gear disc;
the screw rod penetrates through the push rod fixing seat, and the push rod fixing seat is connected with a screw rod nut pair between the screw rod and the screw rod;
the reset spring is sleeved at one end, far away from the gear disc, of the push rod fixing seat.
Further, the lock body mechanism component and the actuating mechanism component are detachably connected through screws.
Further, a jack-up spring is arranged in the jack-up mechanism.
Further, when the front cover lock is in an unlocked state, the bouncing mechanism ejects the engine cover through an internal spring.
Further, a sealing gasket is arranged on the upper cover of the main body.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the locking mechanism assembly and the actuating mechanism assembly are arranged, and the actuating mechanism assembly provides unlocking driving force for the locking mechanism assembly, so that the locking mechanism assembly is automatically switched from the full lock state to the half lock state to the unlocking state, the whole front cover lock realizes automatic unlocking, and the whole lock body is simple in structure, light in weight, stable in performance, low in cost and strong in market popularization.
Drawings
FIG. 1 is a schematic view of the overall structure of an electric front cover lock of the present utility model;
FIG. 2 is an exploded view of the motorized front cover lock assembly of the present utility model;
FIG. 3 is an exploded view of the lock body mechanism assembly of the electric front cover lock of the present utility model;
fig. 4 is an exploded view of the actuator assembly of the motorized front cover lock of the present utility model.
In the figure: 1. a lock mechanism assembly; 2. an actuator assembly; 3. a screw; 4. a bottom plate; 5. a cover plate; 6. a ratchet hook; 7. a pawl; 8. a rivet; 9. a ratchet hook spring; 10. a pawl spring; 11. a micro-switch cover; 12. a micro-switch; 13. a pop-up mechanism assembly; 14. a main body; 15. a main body upper cover; 16. a motor assembly; 17. bevel gear; 18. a push rod fixing seat; 19. a push rod; 20. a return spring; 21. a motor connector; 22. and a sealing sheet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
As shown in fig. 1, an electric front cover lock for an automobile engine comprises a lock body mechanism assembly 1 and an actuating mechanism assembly 2, wherein the lock body mechanism assembly 1 and the actuating mechanism assembly 2 are mutually matched to realize a lock body function.
Specifically:
as shown in fig. 2 and 3, the lock body mechanism assembly 1 includes a base plate 4, a cover plate 5, a ratchet hook 6, a pawl 7, two rivets 8, a ratchet hook spring 9, a pawl spring 10 and a spring mechanism, through holes are formed in the ratchet hook 6 and the pawl, and the two rivets 8 penetrate through the ratchet hook 6 and the pawl respectively through the through holes, so that the ratchet hook 6 and the pawl are assembled between the base plate 4 and the cover plate 5.
The ratchet hook spring 9 and the pawl spring 10 are torsion springs, wherein two ends of the ratchet hook spring 9 are vertically arranged, the ratchet hook spring 9 is sleeved on a rivet 8 penetrating through the ratchet hook 6, and two ends of the ratchet hook spring 9 are respectively assembled on the ratchet hook 6 and the bottom plate 4; the two ends of the pawl spring 10 are arranged in parallel, the pawl spring 10 is sleeved on the rivet 8 penetrating through the pawl, and the two ends of the pawl spring are respectively assembled on the pawl and the bottom plate 4.
The pawl is provided with an engagement portion, and the ratchet hook 6 is provided with a first engagement portion and a second engagement portion. The meshing part corresponds to the first meshing part, and the meshing part and the first meshing part are matched with each other so that the front cover lock realizes full locking; the position of the engagement portion also corresponds to the position of the second engagement portion, which cooperate to achieve the previously achieved semi-locked condition.
The bouncing mechanism is mounted between the bottom plate 4 and the cover plate 5. A jack spring is arranged in the jack mechanism.
When the lock body mechanism assembly 1 works, the front cover lock comprises three states of full lock, half lock and unlocking:
when the front cover lock is in the full lock state, the meshing part of the pawl is meshed with the first meshing part of the ratchet hook 6;
the push rod 19 drives the pawl, the engagement part of the pawl is disengaged from the first engagement part of the ratchet hook 6, so that the engagement part of the pawl is engaged with the second engagement part of the ratchet hook 6, and the front cover lock is in a half-locking state at the moment;
when the front cover lock is in the unlocked state, the pawl is out of contact with the ratchet hook 6.
When the front cover lock is in an unlocking state, the engine cover is pushed open by the spring in the spring mechanism, and the engine cover is opened to finish unlocking.
The driving force of the lock body mechanism assembly 1 is provided by the actuator assembly 2. The actuating mechanism component 2 is detachably connected with the lock body mechanism component 1.
As shown in fig. 2 and 4, the actuator assembly 2 includes a main body 14, a main body upper cover 15, a motor assembly 16, a bevel gear 17, a push rod fixing seat 18, a push rod 19, a return spring 20 and a motor connector 21, wherein the bevel gear 17 and the motor assembly 16 are installed between the main body 14 and the main body upper cover 15, an output end of the motor assembly 16 is in transmission connection with the bevel gear 17, the motor assembly 16 is electrically connected with the motor connector 21, the push rod fixing seat 18 is movably connected with the bevel gear 17, the push rod 19 is fixed on the push rod fixing seat 18, the push rod fixing seat 18 is sleeved with the return spring 20, and a driving end of the push rod 19 is connected with a pawl. The main body upper cover 15 is externally provided with a sealing gasket.
Wherein the motor connector 21 is mounted on the main body 14, and the motor assembly 16 is powered by the motor connector 21.
More specifically, the helical gear 17 includes a gear plate and a screw connecting the center of one end face of the gear plate; the motor assembly 16 is arranged along the length direction of the bevel gear 17, the driving end of the motor assembly 16 is connected with a driving wheel, and the rotating wheel is meshed with the gear disc; the push rod fixing seat 18 is internally provided with inner spiral teeth along the length direction thereof, the screw rod penetrates through the push rod fixing seat 18, and the screw rod and the push rod 19 are mutually matched through the inner spiral teeth and the outer spiral teeth, so that screw rod nut pair connection between the push rod fixing seat 18 and the screw rod is realized, and the push rod fixing seat 18 can move back and forth along the length direction of the screw rod.
The return spring 20 is sleeved on one end of the push rod fixing seat 18 far away from the gear disc. The other end of the return spring 20 abuts against the inner side wall of the main body 14.
The push rod 19 is spirally connected to the push rod fixing seat 18. The push rod 19 and the return spring 20 are arranged in parallel along the length direction thereof.
The motor assembly 16 is energized to drive the bevel gear 17 and is transferred to the push rod mount 18, push rod 19, pawl to provide an unlocking force for the locking mechanism assembly.
When the actuator assembly 2 works, the whole lock is in a half-lock state: the motor assembly 16 obtains electric energy through the motor connector 21 and transmits power to the push rod fixing seat 18 through the bevel gear 17, so that the push rod 19 is driven to drive the pawl, the engagement portion of the pawl is separated from the first engagement portion of the ratchet hook 6, and the state that the engagement portion of the pawl is engaged with the second engagement portion of the ratchet hook 6 is obtained, namely, the state is switched from the full-lock state to the half-lock state. During this process, the return spring 20 is compressed.
Unlocking state: at this time, the motor is cut off by the power supply, the bevel gear 17 loses the power of driving the push rod fixing seat 18, and the reset spring 20 compressed by the push rod fixing seat 18 can drive the push rod fixing seat 18 to restore to the initial movement position, so that the first unlocking is completed.
Full lock, half lock, cycle of unlocked state: when the motor assembly 16 is electrified again, the bevel gear 17 transmits power to the push rod fixing seat 18 again, so that the push rod 19 is driven to drive the pawl, the meshing part of the pawl and the second meshing part of the mechanism are meshed and separated, and the state that the pawl is separated from the ratchet hook 6 is obtained; at this time, the motor is cut off, and the bevel gear 17 loses the driving force for driving the push rod fixing seat 18; the return spring 20 which is compressed by the fixing of the push rod can drive the fixing seat to return to the initial movement position again, so that the actuator assembly 2 completely executes the action from full locking to unlocking of the automobile engine front cover lock once.
The lock body mechanism assembly 1 is detachably connected with the actuating mechanism assembly 2 through a screw 3. Specifically, a first mounting hole is formed in the cover plate 5 of the lock body mechanism assembly 1, and corresponding second mounting holes are formed in the main body 14 and the main body upper cover 15 respectively, and the first mounting hole and the second mounting hole are penetrated by the screw 3 so as to lock the lock body mechanism assembly 1 and the actuating mechanism assembly 2.
The front cover lock further comprises a micro-switch cover 11 and a micro-switch 12, wherein the micro-switch cover 11 is arranged between the bottom plate 4 and the cover plate 5, and the micro-switch 12 is arranged in the micro-switch cover 11.
The micro switch 12 is electrically connected with the PLC control circuit board and further comprises an alarm device, and the PLC control circuit board is electrically connected with the alarm device. The microswitch 12 transmits a signal to the PLC control circuit board, which transmits the signal to the alarm device.
Specifically, the operating states of the micro switch 12 are:
when the front cover lock is in the full lock state, the micro switch 12 is in the on state, and the alarm device can not alarm at the moment;
when the front hood lock is in the semi-locked or unlocked state, the micro switch 12 is in the off state and transmits a signal to the PLC control circuit board, the control circuit board transmits the signal to the alarm device, and the alarm device triggers an alarm to remind a driver that the engine hood lock is in the semi-locked or unlocked state.
The specific implementation principle of the utility model is as follows: in the utility model, the actuating mechanism component 2 is matched with the lock body mechanism component 1, the actuating mechanism component 2 provides unlocking driving force for the lock body mechanism component 1, so that the full-automatic unlocking of the lock body mechanism component 1 is realized, and the lock body mechanism component has a compact structure and strong stability.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides an electronic protecgulum lock of automobile engine, its characterized in that, including lock body mechanism subassembly (1) and actuating mechanism subassembly (2) that can dismantle the connection setting, lock body mechanism subassembly (1) cooperate with actuating mechanism subassembly in order to realize lock body function, wherein:
the lock body mechanism assembly (1) comprises a bottom plate (4), a cover plate (5), a ratchet hook (6), a pawl (7), two rivets (8), a ratchet hook spring (9), a pawl spring (10) and a bouncing mechanism, wherein the two rivets (8) penetrate through the ratchet hook (6) and the pawl (7) respectively, the ratchet hook (6) and the pawl (7) are assembled between the bottom plate (4) and the cover plate (5), the ratchet hook spring (9) is sleeved on the rivet (8) penetrating through the ratchet hook (6) and the bottom plate (4) respectively, two ends of the ratchet hook spring are sleeved on the rivet (8) penetrating through the pawl (7), two ends of the pawl spring are assembled on the pawl (7) and the bottom plate (4) respectively, the pawl (7) is provided with a meshing part, the ratchet hook (6) is provided with a first meshing part and a second meshing part, and the bouncing mechanism is installed between the bottom plate (4) and the cover plate (5);
the actuating mechanism assembly (2) comprises a main body (14), a main body upper cover (15), a motor assembly (16), a bevel gear (17), a push rod fixing seat (18), a push rod (19), a reset spring (20) and a motor connector (21), wherein the bevel gear (17) and the motor assembly (16) are installed between the main body (14) and the main body upper cover (15), an output end of the motor assembly (16) is in transmission connection with the bevel gear (17), the motor assembly (16) is in electric connection with the motor connector (21), the push rod fixing seat (18) is movably connected with the bevel gear (17), the push rod fixing seat (18) is fixedly provided with the push rod (19), a reset spring (20) is sleeved outside the push rod fixing seat (18), and a driving end of the push rod (19) is connected with the pawl (7).
2. The electric front cover lock of an automobile engine according to claim 1, wherein the front cover lock is in three states of full lock, half lock and unlock;
when the front cover lock is in a full-lock state, the meshing part of the pawl (7) is meshed with the first meshing part of the ratchet hook (6);
the push rod (19) drives the pawl (7), the meshing part of the pawl (7) is separated from the first meshing part of the ratchet hook (6), so that the meshing part of the pawl (7) is meshed with the second meshing part of the ratchet hook (6), and the front cover lock is in a half-locking state at the moment;
when the front cover lock is in an unlocking state, the pawl (7) is out of contact with the ratchet hook (6).
3. The electric front cover lock of the automobile engine according to claim 2, further comprising a micro switch cover (11) and a micro switch (12), wherein the micro switch cover (11) is installed between the bottom plate (4) and the cover plate (5), and the micro switch (12) is installed in the micro switch cover (11);
when the front cover lock is in a full lock state, the micro switch (12) is in a conducting state;
when the front bonnet lock is in a half-lock or unlock state, the micro switch (12) is in an off state and transmits a signal to remind a driver that the bonnet lock is in the half-lock or unlock state.
4. An electric front cover lock for an automobile engine according to claim 1, wherein the helical gear (17) comprises a gear plate and a screw rod connected to the center of one end of the gear plate;
the driving end of the motor assembly (16) is connected with a driving wheel which is meshed with the gear disc;
the screw rod penetrates through the push rod fixing seat (18), and the push rod fixing seat (18) is connected with a screw rod nut pair between the screw rod and the screw rod;
the reset spring (20) is sleeved at one end, far away from the gear disc, of the push rod fixing seat (18).
5. An electric front cover lock for an automobile engine according to any one of claims 1-4, characterized in that the lock body mechanism assembly (1) and the actuator assembly (2) are detachably connected by means of screws (3).
6. The electric front cover lock of an automobile engine of claim 5, wherein a jack spring is provided in the jack mechanism.
7. The motor vehicle bonnet lock as defined in claim 6, wherein the pop-up mechanism pushes the bonnet open by an internal spring when the bonnet lock is in an unlocked state.
8. An electric front cover lock for an automobile engine according to claim 7, characterized in that said main body upper cover (15) is provided with a gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220369973.2U CN218991230U (en) | 2022-02-23 | 2022-02-23 | Electric front cover lock of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220369973.2U CN218991230U (en) | 2022-02-23 | 2022-02-23 | Electric front cover lock of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218991230U true CN218991230U (en) | 2023-05-09 |
Family
ID=86223441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220369973.2U Active CN218991230U (en) | 2022-02-23 | 2022-02-23 | Electric front cover lock of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218991230U (en) |
-
2022
- 2022-02-23 CN CN202220369973.2U patent/CN218991230U/en active Active
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