A kind of automobile door lock release safety mechanism

Abstract

The present invention provides an automobile door lock upper release safety mechanism, comprising: an outer shell, an upper release safety component, a driving unit, an outer locking lever and an inner toggle component, wherein the upper release safety component is rotatably mounted on the outer shell, the upper release safety component is provided with a toggle hole, the edge of which is provided with worm gear teeth and a toggle notch, a first toggle block is provided on the side facing the outer shell, the driving unit comprises a motor mounted on the outer shell, a worm fixed on the motor shaft and meshing with the worm gear teeth, the outer locking lever is rotatably mounted on the outer shell and is located below the upper safety component, one end of the outer locking lever is provided with a second toggle block extending into the toggle hole towards the side of the upper safety component, the inner toggle component comprises a driving component rotatably mounted on the outer shell, a toggle lever fixed on the driving component, and a third toggle block extending into the toggle notch is provided on the toggle lever. The present invention aims to simplify the transmission system, reduce the number of parts, reduce the size of the door lock, improve the transmission efficiency, and ultimately achieve overall cost optimization.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile door locks, and in particular relates to a release safety mechanism for an automobile door lock. Background Art

[0002] With the development of the automobile market and the fierce market competition, major customers have put forward higher requirements for price, miniaturization and perceived quality. In the existing technology, the design system of automobile door locks is not simple enough, the number of parts is relatively large, and the volume is large. In order to further improve the competitiveness and quality level of the product, we carry out a new design of the actuator transmission mechanism in three directions: low cost, miniaturization and quality improvement. Summary of the invention

[0003] The present invention is made to solve the above problems, and aims to provide a car door lock release safety mechanism with a simplified transmission system, a small number of parts, a small door lock volume, high transmission efficiency and low overall cost.

[0004] The present invention provides a release mechanism for a car door lock, characterized in that it comprises: a housing, on which a first rotating shaft, a second rotating shaft and a third rotating shaft are arranged;

[0005] An upper release safety component is rotatably mounted on the first rotating shaft, a worm gear and a toggle notch are arranged on the edge of the upper release safety component, a toggle hole is arranged on the upper release safety component, and a first toggle block is arranged on a side of the upper release safety component facing the housing,

[0006] A driving unit, used for automatically driving the upper release member to apply and release the safety to the safety transition rod, comprising: a motor mounted on the housing and a worm fixed on the motor shaft of the motor and meshing with the worm gear;

[0007] An outer locking lever is used to drive the upper release safety member to secure and release the safety transition rod, is rotatably mounted on the second rotating shaft, and is located below the upper safety member. A second toggle block is disposed on one end of the outer locking lever facing the side of the upper safety member, and the second toggle block extends into the toggle hole.

[0008] The inner toggle member is used to drive the upper release member to put on and release the safety of the safety transition rod, and is rotatably mounted on the third rotating shaft, and includes: a driving member rotatably mounted on the third rotating shaft, and a toggle rod fixed on the driving member, wherein the toggle rod is provided with a third toggle block, and the third toggle block extends into the toggle notch,

[0009] In which, the first toggle block and the safety transition rod are always in contact with each other. When the safety transition rod is in the released safety state, the first toggle block and the safety transition rod are in contact with each other but the first toggle block does not apply force to the safety transition rod. The driving unit or the outer locking toggle rod or the inner toggle member drives the upper safety release member to rotate, and the first toggle block pushes the safety transition rod to move to apply safety. When the safety transition rod is in the released safety state, the driving unit or the outer locking toggle rod or the inner toggle member drives the upper safety release member to rotate in the opposite direction to release the restriction of the upper safety release member on the safety transition rod. The safety transition rod returns to the position of the released safety state under the action of its own restoring force to release the safety.

[0010] Furthermore, in a car door lock release safety mechanism provided by the present invention, it may also have the following characteristics: the car door lock release safety mechanism also includes a buffer and limit component, a second through hole is provided on the release safety component, a mounting shaft is provided on the outer shell, the mounting shaft is located in the second through hole, and the buffer and limit component is installed on the mounting shaft.

[0011] Furthermore, in the automobile door lock release safety mechanism provided by the present invention, it may also have the following feature: the buffer limiting component is made of elastic material.

[0012] Furthermore, in the automobile door lock release safety mechanism provided by the present invention, it can also have the following characteristics: the third shift block is a sphere, and a protrusion is respectively arranged on both sides of the shifting notch that contacts when the third shift block pushes the release safety component to rotate.

[0013] Furthermore, in the automobile door lock release safety mechanism provided by the present invention, it can also have the following characteristics: the toggle notch is "U"-shaped, and the two protrusions are respectively arranged at the two ends of the "U" shape.

[0014] Furthermore, in the automobile door lock release safety mechanism provided by the present invention, it may also have the following feature: the height of the second toggle block extending into the toggle hole does not exceed the side of the release safety component away from the housing.

[0015] Furthermore, in the automobile door lock release mechanism provided by the present invention, it can also have the following characteristics: the inner opening release unit is mounted on the housing, comprising: a pushing member rotatably mounted on the housing, an inner opening release member connected to the pushing member for driving the pushing member to rotate,

[0016] The driving member is provided with a driving surface and a driving groove, and the housing is provided with a first through hole.

[0017] When the safety transition rod is in the released state, the driving groove is just located at the first through hole, and the pushing member contacts the driving surface when rotating, and pushes the driving member to rotate.

[0018] Furthermore, in a car door lock release safety mechanism provided by the present invention, it can also have the following characteristics: the driving member is a cylinder with a fan-shaped cross-section, the driving member is provided with a mounting groove at the central angle, the driving member is sleeved on the third rotating shaft through the mounting groove, the driving surface is a side surface of the cylinder, and the driving groove is provided on the arc side surface of the cylinder.

[0019] The present invention has the following advantages:

[0020] According to a car door lock release safety mechanism involved in the present invention, because the edge of the release safety component is provided with worm gear teeth and a toggle notch, the upper release safety component is provided with a toggle hole, and the upper release safety component is provided with a first toggle block on the side facing the shell, the driving unit is meshed with the worm gear teeth, and the upper release safety component is driven to rotate by the worm gear teeth, and the second toggle block of the outer locking lever extends into the toggle hole, and the rotation of the outer locking lever can drive the upper release safety component to rotate, and the third toggle block of the inner toggle component extends into the toggle notch, and the rotation of the inner toggle component can drive the upper release safety component to rotate. The design of the upper release safety component reasonably combines the driving unit, the outer locking lever, and the inner toggle component, so that the transmission system is simplified, the number of parts is reduced, the volume of the door lock is reduced, the transmission efficiency is improved, and ultimately the overall cost optimization is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a release safety mechanism for a car door lock in an embodiment of the present invention;

[0022] Figure 2 It is a structural schematic diagram of another angle of a release safety mechanism of a car door lock in an embodiment of the present invention;

[0023] Figure 3 yes Figure 2 Enlarged view of part A in the middle;

[0024] Figure 4 It is an exploded schematic diagram of a release safety mechanism of a car door lock in an embodiment of the present invention;

[0025] Figure 5 It is a structural schematic diagram of a release mechanism of a car door lock with the outer shell removed in an embodiment of the present invention;

[0026] Figure 6 is a structural schematic diagram of an upper release safety component in an embodiment of the present invention;

[0027] Figure 7is another structural schematic diagram of the upper release safety component in an embodiment of the present invention;

[0028] Figure 8 is a schematic structural diagram of an inner toggle component in an embodiment of the present invention;

[0029] Fig. 9 is another structural schematic diagram of the inner toggle component in an embodiment of the present invention;

[0030] Fig.10 2 is a schematic structural diagram of an inner and outer locking lever in an embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the following embodiments are combined with the accompanying drawings to specifically explain the release safety mechanism of a car door lock of the present invention.

[0032] like Figure 1 , Figure 4 , Figure 5 As shown, the automobile door lock release safety mechanism 100 includes: a housing 10 , a release safety component 20 , a drive unit 30 , an outer locking lever 40 and an inner driving component 50 .

[0033] like Figure 1 , Figure 2 , Figure 4 As shown, the shape and structure of the housing 10 are designed according to the connection relationship and position relationship between the upper release safety member 20, the drive unit 30, the outer locking lever 40 and the inner toggle member 50, so that the upper release safety member 20, the drive unit 30, the outer locking lever 40 and the inner toggle member 50 can be stably installed and fixed. The housing 10 is provided with a first rotating shaft 11, a second rotating shaft 12, a third rotating shaft 13 and a first through hole 14.

[0034] like Figure 6 , Figure 7 As shown, the upper release safety member 20 is used to apply and release the safety of the safety transition rod 200. The upper release safety member 20 is an irregular cam shape, and the upper release safety member 20 is rotatably mounted on the first rotating shaft 11. Specifically, the upper release safety member 20 is provided with a first mounting hole 25, and the upper release safety member 20 is sleeved on the first rotating shaft 11 through the first mounting hole 25 and rotates around the first rotating shaft 11. The edge of the upper release safety member 20 is provided with a worm gear 21 and a toggle notch 22, the upper release safety member 20 is provided with a toggle hole 23, and the upper release safety member 20 is provided with a first toggle block 24 on the side facing the housing 10.

[0035] The safety transition rod 200 is rotatably mounted on the housing, and an elastic member, such as a torsion spring, is used to limit its rotation. The first toggle block 24 is always in contact with the safety transition rod 200. When the safety transition rod 200 is in the released state, the safety transition rod 200 is in a state of no force. The first toggle block 24 is in contact with the safety transition rod 200 but does not apply force to the safety transition rod 200. When the safety transition rod 200 is in the on-safety state, the first toggle block 24 applies a certain force to the safety transition rod 200, which is offset by the restoring force of the safety transition rod 200 itself, so that the safety transition rod 200 remains in the on-safety position.

[0036] The upper release member 20 rotates, and the first toggle block 24 pushes the safety transition rod 200 to release the safety. Figure 1 From the direction of the upper safety release component 20, the first toggle block 24 pushes the safety transition rod 200 to release the safety. The upper safety release component 20 rotates clockwise, the first toggle block 24 releases the restriction on the safety transition rod 200, and the safety transition rod 200 returns to the position of the safety release state under the action of its own restoring force to release the safety.

[0037] The driving unit 30 is used to automatically drive the upper release member 20 to put on and release the insurance on the insurance transition rod 200. The driving unit 30 includes: a motor 31 and a worm 32. The motor 31 is mounted on the housing 10, and the worm 32 is fixed on the motor shaft of the motor 31 and meshes with the worm gear 21. The rotation of the motor 31 (forward rotation and reverse rotation) drives the worm 32 to rotate, and the rotation of the worm 32 drives the upper release member 20 to rotate, so that the first toggle block 24 pushes the insurance transition rod 200 to put on and release the insurance. Figure 1 Looking from the direction of the lever, turn it clockwise to release the safety and counterclockwise to engage the safety.

[0038] The outer locking lever 40 is used to drive the upper release safety member 20 to secure and release the safety transition rod 200. Figure 1 , Figure 4 , Figure 5 , Fig.10 As shown, the outer locking lever 40 is rotatably mounted on the second rotating shaft 12 and is located below the upper safety member 20. A second toggle block 41 is provided on one end of the outer locking lever 40 facing the upper safety member 20, and the second toggle block 41 extends into the toggle hole 23. Manually rotating the end of the outer locking lever 40 without the second toggle block 41 drives the second toggle block 41 to push the upper release safety member 20 to rotate, thereby realizing the safety transition rod 200 on and off. Figure 1When viewed from the direction of the lock, the end of the outer locking lever 40 without the second toggle block 41 is manually rotated counterclockwise, and the second toggle block 41 pushes the upper release safety component 20 to rotate clockwise to release the safety. When viewed from the direction of the lock, the end of the outer locking lever 40 without the second toggle block 41 is manually rotated clockwise, and the second toggle block 41 pushes the upper release safety component 20 to rotate counterclockwise to apply the safety.

[0039] In this embodiment, the height of the second toggle block 41 extending into the toggle hole 23 does not exceed the side of the upper release safety member 20 away from the housing 10. The optimal height of the second toggle block 41 extending into the toggle hole 23 is equal to the side of the upper release safety member 20 away from the housing 10, that is, Figure 1 and Figure 5 When viewed from the direction of the lever, the height at which the second toggle block 41 extends into the toggle hole 23 is flush with the upper surface of the upper release safety member 20 .

[0040] like Figure 1 , Figure 4 , Figure 5 As shown, the inner toggle member 50 is used to drive the upper release member 20 to put on and release the safety transition rod 200, and the inner toggle member 50 is rotatably mounted on the third rotating shaft 13. Figure 8 , Fig. 9 As shown, the inner toggle member 50 includes: a driving member 51 and a lever 52, wherein the driving member 51 is rotatably mounted on the third rotating shaft 13. The lever 52 is fixed on the driving member 51. A third toggle block 521 is arranged on the lever 52, and the third toggle block 521 extends into the toggle notch 22. The driving member 51 is driven to rotate, and the third toggle block 521 is driven to push the upper release member 20 to rotate, thereby realizing the safety of the safety transition rod 200. Figure 1 From the direction of the driving member 51, the driving member 51 is driven to rotate counterclockwise, driving the third shift block 521 to push the upper release safety member 20 to rotate clockwise to release the safety, and the driving member 51 is driven to rotate clockwise, driving the third shift block 521 to push the upper release safety member 20 to rotate counterclockwise to apply the safety.

[0041] In this embodiment, a driving surface 512 and a driving groove 513 are provided on the driving member 51. The release mechanism 100 on the automobile door lock also includes an inner release unit 60. It is installed on the outer shell 10. The inner release unit 60 is used to drive the inner toggle member 50 to rotate to release the safety transition rod 200. The inner release unit 60 includes an inner release member 62. The pushing member 61 is rotatably installed on the outer shell 10. Specifically, a fourth rotating shaft 16 is provided on the outer shell 10, and a mounting hole is provided on the pushing member 61. The pushing member 61 is sleeved on the fourth rotating shaft 16 through the mounting hole and rotates around the fourth rotating shaft 16. The inner release member 62 is connected to the pushing member 61 and is used to drive the pushing member 61 to rotate. When the inner release member 62 drives the pushing member 61 to rotate, one end of the pushing member 61 contacts the driving surface 512 of the driving member 51 and pushes the driving member 51 to rotate.

[0042] by Figure 1 From the direction of view, the inner release member 62 is pulled upwards, and the inner release member 62 drives the pushing member 61 to rotate clockwise. One end of the driving member 61 pushes the driving surface 512 of the inner toggle member 50, so that the inner toggle member 50 rotates counterclockwise, so that the third toggle block 521 drives the upper safety release member 20 to rotate clockwise to release the safety.

[0043] like Figure 2 , Figure 3 As shown in FIG. 1 , when the safety transition rod 200 is in the released state, the driving groove 513 is just located at the first through hole 14. When the inner toggle member 50 is needed to put the safety on, a key or other part that can be inserted into the driving groove 513 is inserted into the driving groove 513 through the first through hole 14 to toggle the driving member 51 to rotate. Figure 3 As shown in FIG. 1 , the driving member 51 is rotated (in Figure 1 The shifting movement causes the driving member to rotate clockwise, so that the third shifting block 521 shifts the upper release safety member 20 to rotate counterclockwise (in the direction of rotation). Figure 1 ) to apply for insurance.

[0044] In this embodiment, the driving member 51 is a cylinder with a fan-shaped cross-section. The driving member 51 is provided with a mounting groove 511 at the central angle. The driving member 51 is sleeved on the third rotating shaft 13 through the mounting groove 511 and can rotate around the third rotating shaft 13. The driving surface 512 is a side surface of the cylinder, and the driving groove 513 is provided on the arc side surface of the cylinder.

[0045] In this embodiment, the third shift block 521 is a spherical ball, and a protrusion 221 is provided on each side of the shifting notch 22 when the third shift block 521 pushes the upper release safety member 20 to rotate. Specifically, the shifting notch 22 is "U" shaped, and the two protrusions 221 are respectively provided at the two ends of the "U" shape.

[0046] In the present embodiment, the automobile door lock upper release safety mechanism 100 also includes a buffering and limiting component 70. A second through hole 26 is provided on the upper release safety component 20, and a mounting shaft 15 is provided on the outer shell. The mounting shaft 15 is located in the second through hole 26, and the buffering and limiting component 70 is sleeved on the mounting shaft 15. When the driving unit 30 or the outer locking lever 40 or the inner driving component 50 drives the upper release safety component 20 to rotate, the buffering and limiting component 70 limits its rotation angle so that its rotation angle just secures and releases the upper release safety component 20. Specifically, the buffering and limiting component 70 is made of an elastic material, such as rubber. When the side wall of the second through hole 26 on the upper release safety component 20 hits the buffering and limiting component 70, it can play a buffering role.

[0047] Insurance clearance process:

[0048] When the safety transition rod 200 is in the released state, the first toggle block 24 is in contact with the safety transition rod 200 but the first toggle block 24 does not apply force to the safety transition rod 200, and the driving unit 30 or the outer locking lever 40 or the inner toggle member 50 drives the upper release member 20 to rotate (in order to release the safety member 20). Figure 1 When the safety transition rod 200 is in the safety state, the driving unit 30 or the outer locking lever 40 or the inner toggle member 50 drives the upper safety release member 20 to rotate in the opposite direction (in the direction of rotation, the upper safety release member 20 rotates counterclockwise). Figure 1 The upper release safety member 20 rotates clockwise when viewed from the direction, thereby releasing the restriction of the upper release safety member 20 on the safety transition rod 200. The safety transition rod 200 returns to the position of the release safety state under the action of its own restoring force, thereby releasing the safety.

[0049] The above-mentioned embodiments are preferred examples of the present invention and are not intended to limit the protection scope of the present invention.

Claims

1. A car door lock release mechanism, characterized in that: include: A housing, wherein a first rotating shaft, a second rotating shaft and a third rotating shaft are arranged on the housing; An upper release safety component is rotatably mounted on the first rotating shaft, a worm gear and a toggle notch are arranged on the edge of the upper release safety component, a toggle hole is arranged on the upper release safety component, and a first toggle block is arranged on a side of the upper release safety component facing the housing, A driving unit, used for automatically driving the upper release member to apply and release the safety to the safety transition rod, comprising: a motor mounted on the housing and a worm fixed on the motor shaft of the motor and meshing with the worm gear; An outer locking lever is used to drive the upper release safety member to secure and release the safety transition rod, is rotatably mounted on the second rotating shaft, and is located below the upper safety member. A second toggle block is disposed on one end of the outer locking lever facing the side of the upper safety member, and the second toggle block extends into the toggle hole. The inner toggle member is used to drive the upper release member to put on and release the safety of the safety transition rod, and is rotatably mounted on the third rotating shaft, and includes: a driving member rotatably mounted on the third rotating shaft, and a toggle rod fixed on the driving member, wherein the toggle rod is provided with a third toggle block, and the third toggle block extends into the toggle notch, Wherein, the first toggle block is always in contact with the safety transition rod, and when the safety transition rod is in the unfastened state, the first toggle block is in contact with the safety transition rod but the first toggle block does not apply force to the safety transition rod, the driving unit or the outer locking toggle rod or the inner toggle member drives the upper safety release member to rotate, and the first toggle block pushes the safety transition rod to move to apply safety, and when the safety transition rod is in the upper safety release state, the driving unit or the outer locking toggle rod or the inner toggle member drives the upper safety release member to rotate in the opposite direction to release the restriction of the upper safety release member on the safety transition rod, and the safety transition rod returns to the position of the unfastened state under the action of its own restoring force to release the safety; Also includes: An inward-opening release unit is installed on the outer shell, and includes: a pushing member rotatably installed on the outer shell, and an inward-opening release member connected to the pushing member for driving the pushing member to rotate, the driving member is provided with a driving surface and a driving groove, and the outer shell is provided with a first through hole. When the safety transition rod is in the released safety state, the driving groove is just located at the first through hole, and the pushing member contacts the driving surface when rotating, and pushes the driving member to rotate.

2. The automobile door lock release safety mechanism according to claim 1, characterized in that: Also includes: A buffering and limiting component, wherein a second through hole is arranged on the upper release safety component, a mounting shaft is arranged on the housing, the mounting shaft is located in the second through hole, and the buffering and limiting component is mounted on the mounting shaft.

3. The automobile door lock release safety mechanism according to claim 2, characterized in that: The buffer limiting component is made of elastic material.

4. The automobile door lock release safety mechanism according to claim 1, characterized in that: The third shifting block is a spherical ball, and a protrusion is respectively arranged on two sides of the shifting notch that contacts when the third shifting block pushes the upper release safety component to rotate.

5. The automobile door lock release safety mechanism according to claim 4, characterized in that: The toggle notch is in a "U" shape, and the two protrusions are respectively arranged at the two ends of the "U" shape.

6. The automobile door lock release safety mechanism according to claim 1, characterized in that: The height of the second toggle block extending into the toggle hole does not exceed the side of the upper release safety component away from the housing.

7. The automobile door lock release safety mechanism according to claim 1, characterized in that: The driving member is a cylinder with a fan-shaped cross section. The driving member is provided with a mounting groove at the central angle. The driving member is sleeved on the third rotating shaft through the mounting groove. The driving surface is a side surface of the cylinder, and the driving groove is provided on the arc side surface of the cylinder.

Images