Door lock locking and unlocking safety mechanism

Abstract

The invention provides a door lock safety locking and unlocking mechanism which comprises a mechanical safety driving lever, an electric safety gear, a release lever and a pawl release lever, the electric safety gear is arranged beside the mechanical safety driving lever through a first rotating shaft, and the mechanical safety driving lever is arranged beside the electric safety gear through a second rotating shaft. The releasing rod is arranged on the left side of the mechanical safety shifting rod through a fourth rotating shaft, and a safety connecting rod is further arranged on the lower side of the left portion of the mechanical safety shifting rod and arranged on a third rotating shaft. Door lock insurance is carried out through two insurance forms of mechanical insurance and electric insurance, the application range of a door lock is enlarged, meanwhile, the two insurance forms are matched with each other, rapid insurance unlocking in various forms can be achieved, meanwhile, through a special connecting structure, rapid insurance locking and unlocking actions are achieved, locking time consumption is reduced, locking noise is weakened, and the safety of the door lock is improved. And the comfort is improved.

Description

Technical Field

[0001] This invention relates to the field of door lock technology, and in particular to a door lock unlocking mechanism. Background Technology

[0002] Currently, using a safety catch to lock door locks is very common during operation. The safety catch mechanism in a door lock needs to perform both locking and unlocking functions. Currently, this is generally achieved mechanically; that is, the door lock is locked via a mechanical structure, and unlocking will not occur unless the mechanical structure is operated. Alternatively, it can be achieved through an electronic control mechanism, meaning the door lock will not open unless the electronic control mechanism is operated. While these methods of locking door locks are convenient, they cannot meet various operational needs. Furthermore, electric and mechanical safety catches typically operate independently, lacking strong linkage and thus offering limited safety protection. For example, the published patent 201810980745.7 discloses a car door lock unlocking and unlocking mechanism, which achieves locking and unlocking actions through a mechanical structure. However, it still suffers from weak linkage during unlocking and is prone to locking up. Therefore, solving the problems of weak linkage and locking up during unlocking in ordinary vehicle door locks is particularly important. Summary of the Invention

[0003] The purpose of this invention is to provide a door lock unlocking mechanism that uses both mechanical and electric locking mechanisms to secure the door lock, increasing its adaptability. Furthermore, the two locking mechanisms work together to enable rapid unlocking in various situations, solving the problem of weak interoperability and frequent lock-locking issues in ordinary vehicle door locks.

[0004] This invention provides a door lock unlocking mechanism, including a mechanical safety lever, an electric safety gear, a release lever, and a pawl release lever. The electric safety gear is mounted next to the mechanical safety lever via a first rotating shaft. The mechanical safety lever is mounted next to the electric safety gear via a second rotating shaft. The release lever is mounted on the left side of the mechanical safety lever via a fourth rotating shaft. A safety link is also provided on the lower left side of the mechanical safety lever, and the safety link is mounted on a third rotating shaft.

[0005] A further improvement is made in that: an electric safety gear protrusion is provided at the lower part of the electric safety gear, a first safety link protrusion is provided on one side of the safety link, the release rod is in contact with the first safety link protrusion, a second safety link protrusion is provided on the other side of the safety link, and the electric safety gear protrusion is in contact with the second safety link protrusion.

[0006] A further improvement is that a pawl release rod protrusion is provided at the lower end of the pawl release rod, and the pawl release rod protrusion contacts the safety linkage.

[0007] A further improvement is that the mechanical safety lever is provided with a mechanical safety key slot, into which a key is inserted to unlock the mechanism.

[0008] A further improvement is that: the lower end of the mechanical safety lever is provided with a mechanical safety lever U-shaped groove, and the electric safety gear is provided with an electric safety gear boss, which is engaged in the mechanical safety lever U-shaped groove when locked.

[0009] A further improvement is that a return spring is provided on the first, second, and fourth rotating shafts.

[0010] A further improvement is that the electric safety gear rotates through a worm gear and a motor.

[0011] The beneficial effects of this invention are as follows: By using both mechanical and electric locking mechanisms to secure the door lock, the adaptability of the door lock is increased. At the same time, the two locking mechanisms work together to achieve quick unlocking in various situations. Furthermore, through a special connection structure, the locking and unlocking actions are quickly achieved, reducing locking time and locking noise, and improving comfort. Attached Figure Description

[0012] Figure 1 This is a structural diagram of the upper insurance state of the present invention.

[0013] Figure 2 This is a structural diagram of the unlocked state of the present invention.

[0014] Figure 3 This is a schematic diagram of the mechanical safety structure of the present invention.

[0015] Wherein: 1-, 2-Mechanical safety lever, 3-Electric safety gear, 4-Release lever, 5-Pawl release lever, 6-First pivot, 7-Second pivot, 8-Third pivot, 9-Safety linkage, 10-Electric safety gear protrusion, 11-Safety linkage first protrusion, 12-Safety linkage second protrusion, 13-Pawl release lever protrusion, 14-Mechanical safety key slot, 15-Mechanical safety lever - U-shaped groove, 16-Electric safety gear boss, 17-Fourth pivot. Detailed Implementation

[0016] To enhance understanding of the present invention, the present invention will be further described in detail below with reference to embodiments. These embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0017] like Figure 1-3As shown, this embodiment provides a door lock unlocking mechanism, including a mechanical safety lever 1, an electric safety gear 2, a release lever 3, and a pawl release lever 4. The electric safety gear 2 is mounted next to the mechanical safety lever 1 via a first rotating shaft 5. The mechanical safety lever 1 is mounted next to the electric safety gear 2 via a second rotating shaft 6. The release lever 3 is mounted on the left side of the mechanical safety lever 1 via a fourth rotating shaft 16. A safety link 8 is also provided on the lower left side of the mechanical safety lever 1, and the safety link 8 is mounted on a third rotating shaft 7. An electric safety gear protrusion 9 is provided at the lower part of the electric safety gear 2. A first safety link protrusion 10 is provided on one side of the safety link 8, and the release lever 3 contacts the first safety link protrusion 10. A second safety link protrusion 11 is provided on the other side of the safety link 8, and the electric safety gear protrusion 9 contacts the second safety link protrusion 11. A pawl release lever protrusion 12 is provided at the lower end of the pawl release lever 4, and the pawl release lever protrusion 12 contacts the safety link 8. The mechanical safety lever 1 is equipped with a mechanical safety key slot 13, into which a key is inserted to unlock. The lower end of the mechanical safety lever 1 has a U-shaped groove 14, and the electric safety gear 2 has an electric safety gear boss 15. When locked, the electric safety gear boss 15 engages within the U-shaped groove 14. Return springs are installed on the first rotating shaft 5, the second rotating shaft 6, and the fourth rotating shaft 16. The electric safety gear 2 rotates via a worm gear and a motor.

[0018] The principle of insurance: The institution is in a state of uninsurance ( Figure 2 The electric motor worm gear mechanism or mechanical safety lever 1 (in the direction of arrow 1) slides, and the U-shaped groove 14 of the mechanical safety lever pushes the electric safety gear boss 15, causing the electric safety gear 2 to rotate around the first rotating shaft 5 in accordance with arrow 3. The electric safety gear 2 rotates, and the electric safety gear boss 9 pushes the second boss 11 of the safety link. The safety link 8 rotates around its own third rotating shaft 7 in accordance with arrow 5. The rotating shaft of the safety link 8 is assembled in the circular hole feature of the release lever 3. The rotation of the safety link 8 causes the first boss 10 of the safety link to disengage from the pawl release lever boss 12, achieving the engaged state and realizing the engaged safety function.

[0019] The principle of insurance: The institution is in an insured state ( Figure 1The electric motor worm gear mechanism or mechanical safety lever 1 (in the direction of arrow 2) slides, and the U-shaped groove 14 of the mechanical safety lever pushes the electric safety gear boss 15, causing the electric safety gear 2 to rotate around the first rotating shaft 5 in accordance with arrow 4. As the electric safety gear 2 rotates, the electric safety gear boss 9 disengages from the second boss 11 of the safety link. Under the action of the return spring, the safety link 8 rotates around its own third rotating shaft 7 in accordance with arrow 6. The rotating shaft of the safety link 8 is fitted into the circular hole feature of the release lever 3. The rotation of the safety link 8 causes the first boss 10 of the safety link to engage with the pawl release lever boss 12, achieving the unlocked state and realizing the unlocking function.

Claims

1. A door lock unlocking mechanism, characterized in that: It includes a mechanical safety lever (1), an electric safety gear (2), a release lever (3), and a pawl release lever (4). The electric safety gear (2) is located next to the mechanical safety lever (1) via a first rotating shaft (5). The mechanical safety lever (1) is located next to the electric safety gear (2) via a second rotating shaft (6). The release lever (3) is located on the left side of the mechanical safety lever (1) via a fourth rotating shaft (16). A safety link (8) is also provided on the lower left side of the mechanical safety lever (1). The safety link (8) is located on a third rotating shaft (7).

2. The door lock unlocking mechanism as described in claim 1, characterized in that: The electric safety gear (2) is provided with an electric safety gear protrusion (9) at its lower part. The safety link (8) is provided with a first safety link protrusion (10) on one side. The release rod (3) is in contact with the first safety link protrusion (10). The safety link (8) is provided with a second safety link protrusion (11) on the other side. The electric safety gear protrusion (9) is in contact with the second safety link protrusion (11).

3. The door lock unlocking mechanism as described in claim 1, characterized in that: The lower end of the pawl release lever (4) is provided with a pawl release lever protrusion (12), which contacts the safety link (8).

4. The door lock unlocking mechanism as described in claim 1, characterized in that: The mechanical safety lever (1) is provided with a mechanical safety key slot (13), and a key is inserted into the mechanical safety key slot (13) to unlock.

5. A door lock unlocking and locking mechanism as described in claim 1 or 4, characterized in that: The mechanical safety lever (1) has a mechanical safety lever U-shaped groove (14) at its lower end, and the electric safety gear (2) has an electric safety gear boss (15). When locked, the electric safety gear boss (15) is engaged in the mechanical safety lever U-shaped groove (14).

6. The door lock unlocking and locking mechanism as described in claim 1, characterized in that: A return spring is provided on the first rotating shaft (5), the second rotating shaft (6) and the fourth rotating shaft (16).

7. The door lock unlocking mechanism as described in claim 1, characterized in that: The electric safety gear (2) rotates through the cooperation of a worm gear and a motor.

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