CN211115280U - Electric unlocking mechanism - Google Patents
Electric unlocking mechanism Download PDFInfo
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- CN211115280U CN211115280U CN201921825617.1U CN201921825617U CN211115280U CN 211115280 U CN211115280 U CN 211115280U CN 201921825617 U CN201921825617 U CN 201921825617U CN 211115280 U CN211115280 U CN 211115280U
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- release arm
- ratchet wheel
- worm
- pawl
- switch
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Abstract
An electric unlocking mechanism comprises a motor and a worm connected with the motor, wherein the worm is meshed with a worm wheel, a first shaft sleeve is arranged in the middle of the front face of the worm wheel, the worm wheel is rotatably arranged on a first riveting shaft through the first shaft sleeve, and a cam is arranged on the first shaft sleeve; an auxiliary release arm is arranged on one side of the cam, a pawl is arranged below the auxiliary release arm, the lower end of the pawl is rotatably arranged on the second riveting shaft, and a ratchet wheel is arranged on the left side of the pawl; the ratchet wheel is rotatably arranged on the third riveting shaft, the right lower side of the ratchet wheel is connected with a spring, a first switch is arranged on the left upper side of the ratchet wheel, and a second switch is arranged on the left side of the auxiliary release arm. The utility model designs a one-level transmission unlocking mechanism, which has compact structure, small occupied space, wide applicable vehicle types, small failure probability and low cost; adopt electronic and two kinds of manual modes of unblanking, convenient and practical unblanks efficiently, the good reliability.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, concretely relates to electronic unlocking mechanism.
Background
At present, the electric lock is basically standard in the aspect of automobile application, and the unlocking mode is many. The split type design is adopted at first, and the executor is connected through cable and lock body and is unblanked, but this kind of mode installation is troublesome, and is efficient, and occupation space position is big moreover. Later, in order to improve the installation efficiency and reduce the production rhythm, the integrated installation design of the actuator and the lock body becomes the mainstream; the integrated design of the lock-opening mode is also diversified, the actuator is connected with the lock body through a guy cable, the actuator is connected with the lock body through mechanical transmission, the actuator is connected with the lock body through a flexible part, and the like; no matter which kind of design generally only carry out the lock body installation just can, saved the time, improved efficiency, improve the reliability of unblanking. Aiming at the mode that the actuator is unlocked through mechanical transmission, the motor worm and gear transmission mode is adopted, and the motor worm and gear transmission mode is adopted, however, the more the number of the transmission stages of the worm and gear transmission is, the higher the precision requirement is, and the higher the failure probability is.
In order to better develop the electric unlocking mechanism in the field, a primary worm gear and worm transmission electric unlocking mechanism is designed, the failure probability is relatively small, the reliability is high, the primary transmission structure occupies relatively small space, and the electric unlocking mechanism is applicable to wider vehicle types.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide an electric unlocking mechanism.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: an electric unlocking mechanism comprises a motor and a worm connected with the motor, wherein the worm is meshed with a worm wheel, a first shaft sleeve is arranged in the middle of the front face of the worm wheel, the worm wheel is rotatably arranged on a first riveting shaft through the first shaft sleeve, and a cam is arranged on the first shaft sleeve; an auxiliary release arm is arranged on one side of the cam, a pawl is arranged below the auxiliary release arm, the lower end of the pawl is rotatably arranged on the second riveting shaft, and a ratchet wheel is arranged on the left side of the pawl; the ratchet wheel is rotationally arranged on the third riveting shaft, the right lower part of the ratchet wheel is connected with a spring, a first switch is arranged on the left upper part of the ratchet wheel, and a second switch is arranged on the left side of the auxiliary release arm; in a locking state, the auxiliary release arm and the second switch are arranged in a pressing mode, the ratchet wheel and the first switch are arranged in a pressing mode, the pawl and the ratchet wheel are arranged in a meshed mode, and the spring is in a stretching state; when the lock is unlocked, the auxiliary release arm and the second switch are not arranged in a collision mode, the ratchet wheel and the first switch are not arranged in a collision mode, the pawl and the ratchet wheel are not meshed, and the spring is in a reset state.
The preferable technical scheme is as follows: the back of the worm wheel is provided with a manual release arm, the manual release arm is rotatably arranged on the first riveting shaft and provided with a handle, the lower end of the auxiliary release arm is provided with a boss, and the lower end of the manual release arm is located on one side of the boss.
The preferable technical scheme is as follows: the upper portion of supplementary release arm includes left point portion and right point portion, left side point portion is located the left side of first axle sleeve, right side point portion is located the right side of first axle sleeve.
The preferable technical scheme is as follows: the cam is of an annular structure with a hollow middle part.
Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:
the utility model designs a one-level transmission unlocking mechanism, which has compact structure, small occupied space, wide applicable vehicle types, small failure probability and low cost; adopt electronic and two kinds of manual modes of unblanking, convenient and practical unblanks efficiently, the good reliability.
Drawings
Fig. 1 is a schematic front view of a locked state (without a manual unlocking structure).
Fig. 2 is a front view of the unlocked state (without the manual unlocking mechanism).
Fig. 3 is a schematic view of an auxiliary release arm.
Fig. 4 is a schematic view of a worm gear.
Fig. 5 is a rear view of the locked state (including the manual unlocking mechanism).
Fig. 6 is a schematic view of a manual release arm.
Fig. 7 is a front view of the locked state (including the manual unlocking configuration).
In the above figures, the motor 1, the worm 2, the worm wheel 3, the first bushing 301, the cam 302, the auxiliary release arm 4, the left tip 401, the right tip 402, the boss 403, the pawl 5, the ratchet 6, the first switch 7, the second switch 8, the first riveting shaft 9, the second riveting shaft 10, the manual release arm 11, the handle 1101, and the third riveting shaft 12.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 7. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example (b): as shown in fig. 1, 2 and 4, an electric unlocking mechanism comprises a motor 1 and a worm 2 connected with the motor 1, wherein the worm 2 is meshed with a worm wheel 3, a first shaft sleeve 301 is arranged in the middle of the front surface of the worm wheel 3, the worm wheel 3 is rotatably arranged on a first riveting shaft 9 through the first shaft sleeve 301, and a cam 302 is arranged on the first shaft sleeve 301; an auxiliary release arm 4 is arranged on one side of the cam 302, a pawl 5 is arranged below the auxiliary release arm 4, the lower end of the pawl 5 is rotatably arranged on the second riveting shaft 10, and a ratchet wheel 6 is arranged on the left side of the pawl 5; the ratchet wheel 6 is rotationally arranged on the third riveting shaft 12, the right lower part of the ratchet wheel 6 is connected with a spring, the left upper part of the ratchet wheel 6 is provided with a first switch 7, and the left side of the auxiliary release arm 4 is provided with a second switch 8; in a locking state, the auxiliary release arm 4 and the second switch 8 are arranged in a pressing mode, the ratchet wheel 6 and the first switch 7 are arranged in a pressing mode, the pawl 5 and the ratchet wheel 6 are arranged in a meshed mode, and the spring is in a stretching state; when the lock is unlocked, the auxiliary release arm 4 is not in contact with the second switch 8, the ratchet 6 is not in contact with the first switch 7, the pawl 5 is not meshed with the ratchet 6, and the spring is in a reset state.
The principle is as follows: as shown in fig. 1, the electric unlocking mechanism is in a locked state, at this time, the pawl 5 and the ratchet 6 are in an engaged state, the ratchet 6 presses down the first switch 7, the upper end of the auxiliary release arm 4 presses down the second switch 8, and the worm 2 and the worm wheel 3 are both in initial positions; when the motor 1 receives an unlocking signal from the ECU, the motor 1 drives the worm 2 to rotate, the worm 2 drives the worm wheel 3 to rotate anticlockwise along the first riveting shaft 9, the cam 302 pushes the auxiliary release arm 4 to drive the pawl 5 to rotate together (note: the auxiliary release arm 4 and the pawl 5 are designed coaxially), so that the pawl 5 and the ratchet wheel 6 are disengaged, the ratchet wheel 6 rotates clockwise under the action of the spring to unlock (as shown in fig. 2), and then the motor 1 drives the worm wheel 3 and the worm 2 to return to the initial position to complete the unlocking action.
The preferred embodiment is: as shown in fig. 5 and 6, a manual release arm 11 is provided on the back surface of the worm wheel 3, the manual release arm 11 is rotatably provided on the first rivet shaft 9, the manual release arm 11 is provided with a handle 1101, the lower end of the auxiliary release arm 4 is provided with a boss 403, and the lower end of the manual release arm 11 is located on one side of the boss 403. The manual release arm 11 rotates clockwise along the first rivet shaft 9 under the action of a cable connected with the handle 1101, and the lower end of the manual release arm 11 pushes the boss 403 of the auxiliary release arm 4 to enable the auxiliary release arm 4 to drive the pawl 5 to rotate anticlockwise along the third rivet shaft 12 to disengage from the ratchet 6, so that unlocking is realized.
The preferred embodiment is: as shown in fig. 3, the upper portion of the auxiliary release arm 4 includes a left tip 401 and a right tip 402, the left tip 401 being located on the left side of the first hub 301, and the right tip 402 being located on the right side of the first hub 301. The left tip part 401 is used for pressing the second switch 8, and the right tip part 402 is used for following, so that the occupied space is small.
The preferred embodiment is: as shown in fig. 4, the cam 302 is a hollow ring structure. The weight is reduced, and the rotation is convenient and flexible.
The utility model designs a one-level transmission unlocking mechanism, which has compact structure, small occupied space, wide applicable vehicle types, small failure probability and low cost; adopt electronic and two kinds of manual modes of unblanking, convenient and practical unblanks efficiently, the good reliability.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. The utility model provides an electronic unlocking mechanism, includes the motor, its characterized in that: the riveting device is characterized by further comprising a worm connected with the motor, the worm is meshed with a worm wheel, a first shaft sleeve is arranged in the middle of the front face of the worm wheel, the worm wheel is rotatably arranged on a first riveting shaft through the first shaft sleeve, and a cam is arranged on the first shaft sleeve; an auxiliary release arm is arranged on one side of the cam, a pawl is arranged below the auxiliary release arm, the lower end of the pawl is rotatably arranged on the second riveting shaft, and a ratchet wheel is arranged on the left side of the pawl; the ratchet wheel is rotationally arranged on the third riveting shaft, the right lower part of the ratchet wheel is connected with a spring, a first switch is arranged on the left upper part of the ratchet wheel, and a second switch is arranged on the left side of the auxiliary release arm;
in a locking state, the auxiliary release arm and the second switch are arranged in a pressing mode, the ratchet wheel and the first switch are arranged in a pressing mode, the pawl and the ratchet wheel are arranged in a meshed mode, and the spring is in a stretching state; when the lock is unlocked, the auxiliary release arm and the second switch are not arranged in a collision mode, the ratchet wheel and the first switch are not arranged in a collision mode, the pawl and the ratchet wheel are not meshed, and the spring is in a reset state.
2. An electric lock opening mechanism according to claim 1, characterized in that: the back of the worm wheel is provided with a manual release arm, the manual release arm is rotatably arranged on the first riveting shaft and provided with a handle, the lower end of the auxiliary release arm is provided with a boss, and the lower end of the manual release arm is located on one side of the boss.
3. An electric lock opening mechanism according to claim 2, characterized in that: the upper portion of supplementary release arm includes left point portion and right point portion, left side point portion is located the left side of first axle sleeve, right side point portion is located the right side of first axle sleeve.
4. An electric lock opening mechanism according to claim 3, characterized in that: the cam is of an annular structure with a hollow middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825617.1U CN211115280U (en) | 2019-10-28 | 2019-10-28 | Electric unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825617.1U CN211115280U (en) | 2019-10-28 | 2019-10-28 | Electric unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115280U true CN211115280U (en) | 2020-07-28 |
Family
ID=71690607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921825617.1U Active CN211115280U (en) | 2019-10-28 | 2019-10-28 | Electric unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047706A (en) * | 2021-03-29 | 2021-06-29 | 江苏皓月汽车科技有限公司 | Automobile front middle door lock |
-
2019
- 2019-10-28 CN CN201921825617.1U patent/CN211115280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047706A (en) * | 2021-03-29 | 2021-06-29 | 江苏皓月汽车科技有限公司 | Automobile front middle door lock |
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