CN220790923U - Front cover electric lock - Google Patents
Front cover electric lock Download PDFInfo
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- CN220790923U CN220790923U CN202322109389.0U CN202322109389U CN220790923U CN 220790923 U CN220790923 U CN 220790923U CN 202322109389 U CN202322109389 U CN 202322109389U CN 220790923 U CN220790923 U CN 220790923U
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- lock hook
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- 238000001514 detection method Methods 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile parts, in particular to a front cover electric lock, which comprises a base, a lock hook body, a ratchet body and an electric actuator, wherein the lock hook body is rotatably arranged on the base, a first lock hook, a second lock hook and a travelling arm are sequentially formed on the lock hook body along the rotating direction, a kidney-shaped hole is formed between the first lock hook and the second lock hook for accommodating a lock pin of the front cover, the lock hook body is stabilized on the base through a tension spring, the ratchet body is matched with the lock hook body to enable the front cover to realize full lock, half lock or unlock, the ratchet body is rotatably arranged on the base, a torsion spring is arranged at a rotating position, a pawl and a limiting arm are sequentially formed on the ratchet body along the rotating direction, the pawl is matched with the first lock hook and the second lock hook, the limiting arm is matched with the travelling arm, and the electric actuator drives the ratchet body to rotate through an electric rod which moves axially. The technical problems of complex structure and high assembly difficulty of the front cover lock in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to a front cover electric lock.
Background
The front cover electric lock is used for controlling the locking of the front cover of the automobile/trolley, and is generally provided with two locks so that the front cover of the automobile/trolley is in a full lock state, a half lock state and an unlocking state. Application number CN201721304579.6 discloses a novel patent front cover lock and an automobile. The front cover lock comprises a ratchet wheel and a pawl which are matched with each other to keep the front cover lock locked or unlocked; an opening arm; and a memory lever disposed on the opening arm, the memory lever being in contact with a primary pin when the front cover lock is fully locked, the memory lever being in contact with a secondary pin when the front cover lock is sub-locked. When the front cover lock is fully locked, the unlocking arm is shifted for the first time, and the memory rod drives the primary pin, so that the pawl is driven, and the front cover lock enters a secondary locking state; the opening arm is shifted for the second time, and the memory rod drives the secondary pin, so that the pawl is driven, and the front cover lock is completely unlocked. However, the front cover lock has a complex structure and high assembly difficulty, and in view of the complex structure, the application provides a front cover electric lock.
Disclosure of Invention
In order to solve the technical problem that the structure of a front cover lock in the prior art is complex and the assembly difficulty is high, the application provides a front cover electric lock, and solves the technical problem.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a front cover electric lock, comprising: a base; the lock hook body is rotatably configured on the base, a first lock hook, a second lock hook and a travelling arm are sequentially formed on the lock hook body along the rotation direction, a waist-shaped hole is formed between the first lock hook and the second lock hook to accommodate a lock pin of the front cover, and the lock hook body is stabilized on the base through a tension spring; the ratchet body is matched with the lock hook body to enable the front cover to realize full lock, half lock or unlocking, the ratchet body is rotatably arranged on the base, a torsion spring is arranged at a rotating position, a pawl and a limiting arm are sequentially formed on the ratchet body along the rotating direction, the pawl is matched with the first lock hook and the second lock hook, and the limiting arm is matched with the travelling arm; the electric actuator drives the ratchet body to rotate through an axially moving electric rod.
Further, the device further comprises a double-position detection switch, wherein the double-position detection switch is configured at the rotating position of the lock hook body to be triggered by the lock hook body, and the double-position detection switch comprises a first position switch and a second position switch.
Further, the first position switch and the second position switch are push-type micro switches.
Further, the first position switch is pressed and started by a hook arm of a first lock hook of the lock hook body, and the second position switch is pressed and started by a protrusion formed on the lock hook body.
Further, the ratchet mechanism further comprises a manual actuator, wherein a manual lever of the manual actuator and a driving end of an electric lever of the electric actuator are respectively arranged at two quadrant points farthest from the ratchet body.
Further, the latch hook body is covered with rubber.
Further, one end of the tension spring is connected to the base, and the other end of the tension spring is connected to the lock hook body.
Further, one abutting end of the torsion spring is connected to the base, and the other abutting end of the torsion spring abuts against the ratchet body.
Further, the electric actuator includes: a housing in which a motor is disposed; a motor, wherein a driving gear is configured on a driving shaft of the motor; the screw rod is fixedly provided with a screw rod gear which is meshed with a driving gear of the motor, meanwhile, the electric rod is matched with the screw rod, and the electric rod is limited on the screw rod to axially move; and the spring is sleeved on the screw rod and is arranged between the electric rod and the screw rod gear.
Based on the technical scheme, the utility model has the following technical effects:
according to the front cover electric lock, an operator starts the electric actuator in a vehicle, the electric actuator pushes/pulls the ratchet wheel body, the ratchet wheel body rotates, the positions of the pawl and the limiting arm on the ratchet wheel body are changed, the limit on the latch hook body is relieved, the latch hook body rotates under the action of the tension spring, the first latch hook, the second latch hook and the traveling arm of the latch hook body are changed in the clamping position of the ratchet wheel body, and the ratchet wheel body also rotates under the action of the torsion spring in the process.
When the first position switch and the second position switch are in a state of not being pressed, the vehicle interior shows a full-locking state, and the electric actuator can be started to enable the motor to be electrified and execute an unlocking command; when the first position switch and the second position switch are both in a pressed state, the motor of the electric actuator is in a power-off state, and the unlocking state is displayed in the vehicle; the first position switch is pressed, the second position switch is not pressed, the semi-locking state is displayed in the vehicle, the electric actuator is started again, the motor is powered on, and the unlocking command is executed; the first position switch is not pressed, the second position is pressed, and the vehicle is alarmed, so that the lock function fault is displayed. The front cover electric lock realizes the state linkage of the vehicle and the machine through the two-position detection switch, thereby bringing great convenience to personnel in the vehicle.
Drawings
FIG. 1 is a schematic view of the overall structure of a front cover electric lock of the present utility model;
FIG. 2 is an enlarged view of a portion of the shackle body and ratchet body of the front cover electric lock of the present utility model;
FIG. 3 is a schematic view of an electric actuator of the front cover electric lock of the present utility model;
FIG. 4 is a schematic view of the front cover electric lock of the present utility model in a fully locked state;
FIG. 5 is a schematic view of the front cover electric lock of the present utility model in a first conversion process from full lock to half lock;
FIG. 6 is a schematic diagram of the front cover electric lock of the present utility model in a second conversion process from full lock to half lock;
FIG. 7 is a schematic diagram of the front cover electric lock of the present utility model in a full lock to half lock conversion process three;
FIG. 8 is a schematic view of the front cover electric lock of the present utility model in a half-lock state;
FIG. 9 is a schematic view of the front cover electric lock of the present utility model in a first half-lock to unlock transition;
FIG. 10 is a schematic diagram of a front cover electric lock according to the present utility model in a second conversion process from half-lock to unlock;
fig. 11 is a schematic view of the front cover electric lock in the unlocked state.
Wherein: 1-a base; the device comprises a 2-latch hook body, a 21-first latch hook, a 22-second latch hook, a 23-travelling arm, a 24-kidney-shaped hole, a 25-tension spring and a 26-bulge; 3-locking pins; 4-ratchet wheel body, 41-torsion spring, 42-pawl and 43-limit arm; the device comprises a 5-electric actuator, a 51-electric rod, a 52-shell, a 53-motor, a 531-driving gear, a 54-screw rod, a 541-screw rod gear and a 55-spring; 6-two position detection switch, 61-first position switch, 62-second position switch; 7-manual actuator.
Detailed Description
As shown in fig. 1 to 11, the utility model provides a front cover electric lock, which comprises a base 1, a lock hook body 2, a ratchet body 4 and an electric actuator 5, wherein the lock hook body 2 is rotatably arranged on the base 1, a first lock hook 21, a second lock hook 22 and a travelling arm 23 are sequentially formed on the lock hook body 2 along the rotation direction, a kidney-shaped hole 24 is formed between the first lock hook 21 and the second lock hook 22 to accommodate a lock pin 3 of the front cover, the lock hook body 2 is stabilized on the base 1 through a tension spring 25, the ratchet body 4 is matched with the lock hook body 2 to realize full locking, half locking or unlocking of the front cover, the ratchet body 4 is rotatably arranged on the base 1, a torsion spring 41 is arranged at the rotation position, a pawl 42 and a limiting arm 43 are sequentially formed on the ratchet body 4 along the rotation direction, the pawl 42 is matched with the first lock hook 21 and the second lock hook 22, the limiting arm 43 is matched with the travelling arm 23, and the electric actuator 5 is driven to rotate through an electric actuator 51 which moves axially.
According to the front cover electric lock disclosed by the utility model, an operator starts the electric actuator 5 in a vehicle, the electric actuator 5 pushes/pulls the ratchet wheel body 4, the ratchet wheel body 4 rotates, the positions of the pawl 42 and the limiting arm 43 on the ratchet wheel body 4 are changed, the limit on the lock hook body 2 is released, the lock hook body 2 rotates under the action of the tension spring 25, the clamping positions of the first lock hook 21, the second lock hook 22 and the travelling arm 23 of the lock hook body 2 and the ratchet wheel body 4 are changed, and the ratchet wheel body 4 also rotates under the action of the torsion spring 41 in the process.
As shown in fig. 3, in a specific embodiment of the present application, the electric actuator 5 includes a housing 52, a motor 53, a screw 54, an electric rod 51 and a spring 55, wherein the motor 53 is disposed in the housing 52, a driving gear 531 is disposed on a driving shaft of the motor 53, a screw gear 541 is fixed on the screw 54, the screw gear 541 is meshed with the driving gear 531 of the motor 53, the electric rod 51 is fitted on the screw 54, the electric rod 51 is limited on the screw 54 to perform axial movement, the spring 55 is sleeved on the screw 54, and the spring 55 is disposed between the electric rod 51 and the screw gear 541. When the motor 53 is powered on, the screw rod 54 rotates, the electric rod 51 moves towards the screw rod gear 541, the spring 55 is compressed while moving, and when the motor 53 is powered off, the compressed spring 55 returns to a natural state, and the electric rod 51 is pushed to move back to the screw rod gear 541. The electric lever 51 specifically includes a fitting portion to be fitted with the screw 54 and a thin lever portion movably connected with the ratchet body 4.
In order to cooperate with the electrical control, the front cover electric lock of the present utility model further comprises a two-position detection switch 6, wherein the two-position detection switch 6 is configured at a rotation position of the lock hook body 2 to be triggered by the lock hook body 2, and the two-position detection switch 6 comprises a first position switch 61 and a second position switch 62.
Preferably, the first position switch 61 and the second position switch 62 are push-type micro switches.
Specifically, the first position switch 61 is pressed by the hook arm of the first hook 21 of the hook body 2, and the second position switch 62 is pressed by the projection 26 formed on the hook body 2.
In order to cope with the occurrence of accidents, the front cover electric lock of the present utility model further comprises a manual actuator 7, wherein the manual lever of the manual actuator 7 and the driving end of the electric lever 51 of the electric actuator 5 are respectively arranged at two quadrant points of the ratchet body 4 which are farthest away. The positions of the manual actuator 7 and the electric actuator 5 may be interchanged.
In order to obtain a better silencing effect, the latch hook body 2 is coated with rubber.
In a specific embodiment of the present application, one end of the tension spring 25 is connected to the base 1, and the other end of the tension spring 25 is connected to the latch hook body 2.
In a specific embodiment of the present application, one abutting end of the torsion spring 41 is connected to the base 1, and the other abutting end of the torsion spring 41 abuts against the ratchet body 4.
As shown in fig. 4 to 11, the front cover electric lock of the present utility model is unlocked as follows: as shown in fig. 4, in the fully locked state, the lock pin 3 is limited in the kidney-shaped hole 24, the first position switch 61 and the second position switch 62 are not pressed, in the disconnected state, the first lock hook 21 of the lock hook body 2 is locked by the pawl 42 of the ratchet body 4, the motor 53 of the electric actuator 5 is not powered, and the electric rod 51 is in a state of extending out of the housing 52 of the electric actuator 5 to push the ratchet body 4 to the first limit under the action of the spring 55; as shown in fig. 5, in the first conversion process from full lock to half lock, the first position switch 61 and the second position switch 62 are not pressed, the driver in the vehicle starts the electric actuator 5 for the first time, the motor 53 is powered on, the electric rod 51 retracts into the housing 52 of the electric actuator 5 under the drive of the motor 53 to pull the ratchet body 4 back to the second limit, the first latch hook 21 is disengaged from the pawl 42, and the latch hook body 2 rotates under the action of the tension spring 25; as shown in fig. 6, in the second conversion process from full lock to half lock, the first position switch 61 is not pressed, the latch hook body 2 rotates under the action of the tension spring 25 until the traveling arm 23 of the latch hook body 2 is limited by the limiting arm 43 of the ratchet body 4, and at this time, the protrusion 26 on the latch hook body 2 just presses the second position switch 62; as shown in fig. 7, in the third conversion process from full lock to half lock, the first position switch 61 is not pressed, the second position switch 62 is pressed, the motor 53 is powered off, the electric rod 51 stretches out of the housing 52 of the electric actuator 5 under the action of the spring 55 to push the ratchet body 4 to the first limit, the ratchet body 4 rotates, the limit arm 43 releases the limit on the travelling arm 23, and the latch hook body 2 continues to rotate in the same direction under the action of the tension spring 25; as shown in fig. 8, in the half-lock state, the first position switch 61 is not pressed, the second position switch 62 is pressed, the latch hook body 2 rotates, the second latch hook 22 of the latch hook body 2 rotates to the pawl 42 of the ratchet body 4, and is locked by the pawl 42; as shown in fig. 9, in the first conversion process from half-lock to unlock, the first position switch 61 is not pressed, the second position switch 62 is pressed, the driver in the vehicle starts the electric actuator 5 for the second time, the motor 53 is powered on, the electric rod 51 is retracted into the housing 52 of the electric actuator 5 under the drive of the motor 53 to pull the ratchet body 4 back to the second limit, the second latch hook 22 is disengaged from the pawl 42, and the latch hook body 2 rotates under the action of the tension spring 25; as shown in fig. 10, in the second half-lock-to-unlock conversion process, the second position switch 62 has been pressed, and the latch hook body 2 is rotated until the hook arm of the first latch hook 21 of the latch hook body 2 presses the first position switch 61; as shown in fig. 11, in the unlocked state, the second position switch 62 has been pressed, the first position switch 61 is pressed by the hook arm of the first latch hook 21, the motor 53 is powered off, the electric rod 51 extends out of the housing 52 of the electric actuator 5 under the action of the spring 55 to push the ratchet body 4 to the first limit position, the pawl 42 of the ratchet body 4 rotates to a position contacting the second latch hook 22 and stabilizes, and the lock pin 3 can be released from the kidney-shaped hole 24.
It should be noted that, when the two-position detecting switch 6, the first position switch 61 and the second position switch 62 are both in the state of not being pressed, the vehicle interior displays the fully-locked state, and the electric actuator 5 can be started to power the motor 53 and execute the unlocking command; when both the first position switch 61 and the second position switch 62 are in the pressed state, the motor 53 of the electric actuator 5 is in the power-off state, and the unlocking state is displayed in the vehicle; the first position switch 61 is pressed, the second position switch 62 is not pressed, the semi-locking state is displayed in the vehicle, the electric actuator 5 is started again, the motor 53 is powered on, and an unlocking command is executed; the first position switch 61 is not pressed, the second position is pressed, and the vehicle interior alarms, so that the lock function fault is displayed. The front cover electric lock realizes the state interlocking of the vehicle and the machine through the two-position detection switch 6, thereby bringing great convenience to personnel in the vehicle.
It should be understood that the above-described specific embodiments are only for explaining the present utility model and are not intended to limit the present utility model. Obvious variations or modifications which extend from the spirit of the present utility model are within the scope of the present utility model.
Claims (9)
1. A front cover electric lock, comprising:
a base (1);
the front cover comprises a lock hook body (2), wherein the lock hook body (2) is rotatably arranged on a base (1), a first lock hook (21), a second lock hook (22) and a travelling arm (23) are sequentially formed on the lock hook body (2) along the rotation direction, a waist-shaped hole (24) is formed between the first lock hook (21) and the second lock hook (22) to accommodate a lock pin (3) of the front cover, and the lock hook body (2) is stabilized on the base (1) through a tension spring (25);
the ratchet body (4), the ratchet body (4) cooperates with the latch hook body (2) to enable the front cover to realize full lock, half lock or unlock, the ratchet body (4) is rotatably configured on the base (1), a torsion spring (41) is configured at a rotating position, a pawl (42) and a limiting arm (43) are sequentially formed on the ratchet body (4) along the rotating direction, the pawl (42) cooperates with the first latch hook (21) and the second latch hook (22), and the limiting arm (43) cooperates with the travelling arm (23);
and the electric actuator (5) drives the ratchet body (4) to rotate through an axially moving electric rod (51).
2. The front cover electric lock according to claim 1, further comprising a double position detection switch (6), the double position detection switch (6) being arranged in a rotational position of the shackle body (2) to be triggered by the shackle body (2), the double position detection switch (6) comprising a first position switch (61) and a second position switch (62).
3. The front cover electric lock according to claim 2, characterized in that the first position switch (61) and the second position switch (62) are push-type micro switches.
4. A front cover electric lock according to claim 3, characterized in that the first position switch (61) is activated by a hook arm press of a first hook (21) of the hook body (2), and the second position switch (62) is activated by a projection (26) formed on the hook body (2).
5. The front cover electric lock according to claim 1, further comprising a manual actuator (7), wherein the manual lever of the manual actuator (7) and the driving end of the electric lever (51) of the electric actuator (5) are respectively arranged at two quadrant points farthest from the ratchet body (4).
6. Front cover electric lock according to claim 1, characterized in that the shackle body (2) is covered with rubber.
7. Front cover electric lock according to claim 1, characterized in that one end of the tension spring (25) is connected to the base (1), and the other end of the tension spring (25) is connected to the shackle body (2).
8. Front cover electric lock according to claim 1, characterized in that one abutment end of the torsion spring (41) is connected to the base (1), the other abutment end of the torsion spring (41) being abutted against the ratchet body (4).
9. Front cover electric lock according to claim 1, characterized in that the electric actuator (5) comprises:
a housing (52), wherein a motor (53) is disposed in the housing (52);
a motor (53), wherein a drive gear (531) is arranged on a drive shaft of the motor (53);
the screw rod (54), a screw rod gear (541) is fixed on the screw rod (54), the screw rod gear (541) is meshed with a driving gear (531) of the motor (53), meanwhile, the electric rod (51) is matched with the screw rod (54), and the electric rod (51) is limited on the screw rod (54) to axially move;
and a spring (55), wherein the spring (55) is sleeved on the screw (54) and is arranged between the electric rod (51) and the screw gear (541).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109389.0U CN220790923U (en) | 2023-08-07 | 2023-08-07 | Front cover electric lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322109389.0U CN220790923U (en) | 2023-08-07 | 2023-08-07 | Front cover electric lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220790923U true CN220790923U (en) | 2024-04-16 |
Family
ID=90636733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322109389.0U Active CN220790923U (en) | 2023-08-07 | 2023-08-07 | Front cover electric lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220790923U (en) |
-
2023
- 2023-08-07 CN CN202322109389.0U patent/CN220790923U/en active Active
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