Electric child lock of automobile sliding door

Abstract

The utility model relates to the technical field of vehicles, and particularly discloses an electric child lock of an automobile sliding door, which is characterized in that a positioning pin is arranged at one end of a second connecting rod and is arranged in a strip groove, a first slotted hole is formed in one end of an inward opening connecting rod, and a second slotted hole is formed in the other end of the second connecting rod; the linkage pin is arranged in the first slotted hole and the second slotted hole at the same time, and the electric child protection actuator is in transmission connection with the first connecting rod and can drive the first connecting rod to rotate, so that the first connecting rod drives the positioning pin to move and has an opening position capable of unlocking the locking mechanism and a child protection position capable of locking the locking mechanism. The electric child protection actuator drives the positioning pin to move to a child protection position by electrically driving the first connecting rod, so that the positioning pin cannot drive the inward opening connecting rod to rotate through the second connecting rod and the linkage pin, namely, the unlocking assembly cannot be pulled to trigger the locking mechanism to unlock, an inward opening unlocking chain is interrupted, and an inward release door opening fails. And the operation convenience and practicability of the electric child lock of the automobile sliding door are improved.

Description

Technical Field

[0001] This utility model relates to the field of vehicle technology, and in particular to an electric child lock for a car sliding door. Background Technology

[0002] To eliminate the safety hazard of children opening car doors while the vehicle is in motion, car child lock mechanisms are usually installed on the rear door locks of vehicles. The child lock locks the rear door, and the user cannot open the door from the inside of the car until the child lock is unlocked. The door can only be opened normally after the child lock is released.

[0003] Sliding door child locks typically use mechanical locks, which have only two states: open and closed. When closed, the door cannot be opened, while when open, the door can be opened manually. Both opening and closing of mechanical locks require manual adjustment. In existing MPV models, the child lock function that locks the door from the inside and releases it after locking the vehicle requires manual operation. This requires opening the corresponding door and operating the child safety window on the side of the door to lock or unlock it. The overall operation process is very inconvenient and impractical.

[0004] Therefore, there is an urgent need for an electric child lock for car sliding doors to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide an electric child lock for car sliding doors, which can effectively improve the convenience and practicality of operating the electric child lock for car sliding doors.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] This utility model provides an electric child lock for a car sliding door, comprising:

[0008] A child health care institution, comprising a first connecting rod, an inner opening connecting rod, a second connecting rod, a positioning pin, and a linkage pin, wherein the inner opening connecting rod and the second connecting rod are hinged, the first connecting rod has an elongated groove, the positioning pin is disposed at one end of the second connecting rod and is placed in the elongated groove, one end of the inner opening connecting rod has a first slot, the other end of the second connecting rod has a second slot, and the linkage pin is placed in both the first slot and the second slot.

[0009] The unlocking component and the locking mechanism are provided. The locking mechanism is used to lock the rear door to the vehicle body. The unlocking component is connected between the other end of the inward opening link and the locking mechanism and can trigger the locking mechanism to unlock.

[0010] An electric child safety actuator is driven to the first link and can drive the first link to rotate, so that the first link drives the positioning pin to move and has an open position that can unlock the locking mechanism and a child safety position that can lock the locking mechanism.

[0011] As a preferred technical solution for the aforementioned electric child lock for a sliding car door, the electric child safety actuator includes a drive component, a worm gear, and a worm. The drive component is transversely connected to the worm and can drive the worm to rotate. The worm gear is meshed with the worm and connected to the first connecting rod.

[0012] As a preferred technical solution for the aforementioned electric child lock for automotive sliding doors, the driving component is a motor.

[0013] As a preferred technical solution for the aforementioned electric child lock for a car sliding door, the child safety mechanism further includes a first elastic element, which is configured to limit the rotation angle of the first link.

[0014] As a preferred technical solution for the aforementioned electric child lock for a car sliding door, the first elastic element is a torsion spring.

[0015] As a preferred technical solution for the aforementioned electric child lock for a sliding car door, the child safety mechanism further includes a third link, wherein the inward opening link, the second link, and the third link are hinged together, and the third link can abut against the positioning pin.

[0016] As a preferred technical solution for the aforementioned electric child lock for sliding car doors, the child safety mechanism further includes a pull rod and an inward-opening handle. The third connecting rod has a sliding groove, one end of the pull rod slides into the sliding groove, and can drive the end of the third connecting rod near the inward-opening handle to abut against the positioning pin. The other end of the pull rod is connected to the inward-opening handle.

[0017] As a preferred technical solution for the aforementioned electric child lock for a car sliding door, the child safety mechanism further includes a second elastic element, which is connected between the third link and the hinge point of the inward-opening link, the second link, and the third link.

[0018] As a preferred technical solution for the aforementioned electric child lock for a car sliding door, the unlocking component includes a first unlocking cable, the locking mechanism includes a rear door front lock, one end of the first unlocking cable is connected to the inward opening linkage, and the other end of the first unlocking cable is connected to the rear door front lock and can trigger the rear door front lock to unlock.

[0019] As a preferred technical solution for the aforementioned electric child lock for sliding car doors, the unlocking component further includes a second unlocking cable, and the locking mechanism further includes a rear door lock. One end of the second unlocking cable is connected to the inward opening linkage, and the other end of the second unlocking cable is connected to the rear door lock, and can trigger the rear door lock to unlock.

[0020] The beneficial effects of this utility model are as follows:

[0021] This utility model provides an electric child lock for a car sliding door. The electric child lock for a car sliding door includes: a child safety mechanism, an unlocking component, a locking mechanism, and an electric child safety actuator. The child safety mechanism includes a first connecting rod, an inward opening connecting rod, a second connecting rod, a positioning pin, and a linkage pin. The inward opening connecting rod and the second connecting rod are hinged together. The first connecting rod has an elongated groove. The positioning pin is located at one end of the second connecting rod and is placed in the elongated groove. One end of the inward opening connecting rod has a first slot, and the other end of the second connecting rod has a second slot. The linkage pin is placed in both the first and second slots. The locking mechanism is used to lock the rear door to the vehicle body. The unlocking component is connected between the other end of the inward opening connecting rod and the locking mechanism and can trigger the locking mechanism to unlock. The electric child safety actuator is driven by the first connecting rod and can drive the first connecting rod to rotate, so that the first connecting rod drives the positioning pin to move and has an open position that can unlock the locking mechanism and a child safety position that locks the locking mechanism. With this configuration, the electric child safety actuator can drive the first linkage to move the positioning pin to the child safety position, thus preventing the positioning pin from driving the inner opening linkage to rotate through the second linkage and the linkage pin in sequence. In other words, it cannot pull the unlocking component to trigger the locking mechanism to unlock, causing the inner unlocking connection to be interrupted and the inner release to open the door to become ineffective, thereby improving the convenience and practicality of operating the electric child lock on the car sliding door. Attached Figure Description

[0022] Figure 1 A partial structural schematic diagram of the electric child lock for a car sliding door provided by this utility model;

[0023] Figure 2 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 1 ;

[0024] Figure 3 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 2 ;

[0025] Figure 4 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 3 ;

[0026] Figure 5 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 4 ;

[0027] Figure 6 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 5 ;

[0028] Figure 7 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 6 ;

[0029] Figure 8 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 7 ;

[0030] Figure 9 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 8 ;

[0031] Figure 10 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 9 ;

[0032] Figure 11 Schematic diagram of the child care mechanism and electric child care actuator provided by this utility model Figure 10 .

[0033] in:

[0034] 1. First connecting rod; 101. Long groove;

[0035] 2. Inwardly opening connecting rod; 201. First slot hole;

[0036] 3. Second connecting rod; 301. Second slot;

[0037] 4. Positioning pin; 5. Linkage pin;

[0038] 6. Electric child safety actuator; 61. Drive unit; 62. Worm gear; 63. Worm;

[0039] 7. First elastic element;

[0040] 8. Third link; 801. Slide groove;

[0041] 9. Pull rod; 10. Inward-opening handle; 11. Second elastic element; 12. First connecting end; 13. Second connecting end; 14. Third connecting end. Detailed Implementation

[0042] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0043] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0044] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and connections within two components or interactions between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] Unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of a second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0046] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0047] like Figures 1 to 11As shown, this embodiment provides an electric child lock for a car sliding door. The electric child lock includes a child safety mechanism, an unlocking component, a locking mechanism, and an electric child safety actuator 6. The child safety mechanism includes a first connecting rod 1, an inward-opening connecting rod 2, a second connecting rod 3, a positioning pin 4, and a linkage pin 5. The inward-opening connecting rod 2 and the second connecting rod 3 are hinged. The first connecting rod 1 has an elongated groove 101. The positioning pin 4 is located at one end of the second connecting rod 3 and is placed within the elongated groove 101. One end of the inward-opening connecting rod 2 has a first slot 201. The other end of the two-link 3 has a second slot 301. The linkage pin 5 is placed in both the first slot 201 and the second slot 301. The locking mechanism is used to lock the rear door to the vehicle body. The unlocking component is connected between the other end of the inner opening link 2 and the locking mechanism, and can trigger the locking mechanism to unlock. The electric child safety actuator 6 is driven by the first link 1 and can drive the first link 1 to rotate, so that the first link 1 drives the positioning pin 4 to move and has an open position that can unlock the locking mechanism and a child safety position that locks the locking mechanism. With this configuration, the electric child safety actuator 6 can drive the positioning pin 4 to move to the child safety position by electrically driving the first link 1, so that the positioning pin 4 cannot drive the inner opening link 2 to rotate through the second link 3 and the linkage pin 5 in sequence, that is, it cannot pull the unlocking component to trigger the locking mechanism to unlock, so that the inner unlocking connection is interrupted, the inner release door opening is ineffective, and the convenience and practicality of the electric child lock operation of the car sliding door is improved.

[0048] Alternatively, please refer to Figures 4 to 5 , Figures 8 to 9 As shown, the electric child safety actuator 6 includes a drive unit 61, a worm gear 62, and a worm 63. The drive unit 61 is connected to the worm 63 and can drive the worm 63 to rotate. The worm gear 62 is meshed with the worm 63 and is connected to the first connecting rod 1. Specifically, the drive unit 61 is a motor. With this configuration, the drive unit 61 starts and drives the worm 63 to rotate the worm gear 62, which in turn drives the first connecting rod 1 to rotate clockwise or counterclockwise. This rotation of the first connecting rod 1 pushes the positioning pin 4 to the child safety position where the locking mechanism is locked, or lowers the positioning pin 4 to the open position where the locking mechanism is unlocked.

[0049] Optionally, to ensure the stability and reliability of the positioning pin 4 when it is in the open or child-protective position, the child-protective mechanism further includes a first elastic element 7, which is configured to limit the rotation angle of the first link 1. Specifically, the first elastic element 7 is a torsion spring.

[0050] Alternatively, please refer to Figures 6 to 7 , Figures 10 to 11As shown, the child safety mechanism also includes a third link 8, a pull rod 9, and an inward-opening handle 10. The inward-opening link 2, the second link 3, and the third link 8 are hinged. The third link 8 has a sliding groove 801. One end of the pull rod 9 slides in the sliding groove 801 and can drive the end of the third link 8 near the inward-opening handle 10 to abut against the positioning pin 4. The other end of the pull rod 9 is connected to the inward-opening handle 10. With this configuration, when the positioning pin 4 is in the open position where the locking mechanism is unlocked, the positioning pin 4 falls onto the rotation path of the third link 8, that is, the two can abut against each other, giving the inward-opening handle 10 a horizontal rightward force to drive the pull rod 9 to move. The pull rod 9 will drive the third link 8 to rotate clockwise. At this time, the third link 8 abuts against the positioning pin 4, causing the positioning pin 4 to drive the second link 3 to rotate clockwise. The second link 3 will cause the linkage pin 5 to drive the inward-opening link 2 to rotate clockwise, thereby causing the inward-opening link 2 to pull the unlocking component and trigger the locking mechanism to unlock and open the door.

[0051] When the positioning pin 4 is in the child-safe position where the locking mechanism is locked, the positioning pin 4 is pushed to the rotation path of the third link 8, meaning that the two cannot come into contact. The inner opening handle 10 is given a horizontal rightward force to drive the pull rod 9 to move. The pull rod 9 will drive the third link 8 to rotate clockwise. At this time, the third link 8 cannot come into contact with the positioning pin 4, and the two disengage. That is, the third link 8 cannot continue to drive the positioning pin 4 and subsequent structural components to move. The inner opening unlocking connection is interrupted, so the inner opening link 2 cannot pull the unlocking component to trigger the locking mechanism to unlock, and the inner release door opening fails.

[0052] Optionally, to ensure the rotation range of the third link 8, the child protection mechanism further includes a second elastic element 11, which is connected between the hinge point of the third link 8 and the inner opening link 2, the second link 3, and the third link 8. Specifically, the second elastic element 11 is a torsion spring.

[0053] In this embodiment, the unlocking component includes a first unlocking cable, a second unlocking cable, and a third unlocking cable. The locking mechanism includes a rear door front lock, a rear door rear lock, and a limit lock. One end of the first unlocking cable is connected to the inward opening linkage 2, and the other end of the first unlocking cable is connected to the rear door front lock, and can trigger the rear door front lock to unlock. One end of the second unlocking cable is connected to the inward opening linkage 2, and the other end of the second unlocking cable is connected to the rear door rear lock, and can trigger the rear door rear lock to unlock. One end of the third unlocking cable is connected to the inward opening handle 10, and the other end of the third unlocking cable is connected to the limit lock, and can trigger the limit lock to unlock.

[0054] In this embodiment, please refer to Figure 1 and Figure 2 As shown, the first connecting end 12, the second connecting end 13 and the third connecting end 14 are respectively used to connect the first unlocking pull wire, the second unlocking pull wire and the third unlocking pull wire.

[0055] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An electric child lock for a car sliding door, characterized in that, include: A child care institution, comprising a first connecting rod (1), an inner opening connecting rod (2), a second connecting rod (3), a positioning pin (4), and a linkage pin (5). The inner opening connecting rod (2) and the second connecting rod (3) are hinged together. The first connecting rod (1) has an elongated groove (101). The positioning pin (4) is located at one end of the second connecting rod (3) and is placed in the elongated groove (101). One end of the inner opening connecting rod (2) has a first slot (201), and the other end of the second connecting rod (3) has a second slot (301). The linkage pin (5) is placed in both the first slot (201) and the second slot (301). The unlocking component and the locking mechanism are used to lock the rear door to the vehicle body. The unlocking component is connected between the other end of the inner opening link (2) and the locking mechanism and can trigger the locking mechanism to unlock. An electric child safety actuator (6) is connected to the first link (1) and can drive the first link (1) to rotate so that the first link (1) drives the positioning pin (4) to move and has an open position that can unlock the locking mechanism and a child safety position that can lock the locking mechanism.

2. The automotive sliding door child lock according to claim 1, wherein The electric child care actuator (6) includes a drive member (61), a worm gear (62) and a worm (63). The drive member (61) is connected to the worm (63) and can drive the worm (63) to rotate. The worm gear (62) is meshed with the worm (63) and is connected to the first connecting rod (1).

3. The motorized child lock for an automotive sliding door of claim 2, wherein, The driving component (61) is a motor.

4. The automotive sliding door child lock of claim 1, wherein The child protection mechanism further includes a first elastic element (7) configured to limit the rotation angle of the first link (1).

5. The motorized child lock for an automotive sliding door of claim 4, wherein, The first elastic element (7) is a torsion spring.

6. The motorized child lock for a sliding door of a vehicle according to any one of claims 1-5, wherein The child care mechanism also includes a third link (8), the inner opening link (2), the second link (3) are hinged to the third link (8), and the third link (8) can abut against the positioning pin (4).

7. The electric child lock for a sliding car door according to claim 6, characterized in that, The child care mechanism also includes a pull rod (9) and an inward-opening handle (10). The third connecting rod (8) has a sliding groove (801). One end of the pull rod (9) slides in the sliding groove (801) and can drive the end of the third connecting rod (8) close to the inward-opening handle (10) to abut against the positioning pin (4). The other end of the pull rod (9) is connected to the inward-opening handle (10).

8. The motorized child lock for an automotive sliding door of claim 7, wherein, The child care mechanism also includes a second elastic element (11), which is connected between the third link (8) and the hinge point of the inner link (2), the second link (3) and the third link (8).

9. The motorized child lock for a sliding door of a vehicle according to any one of claims 1-5, wherein, The unlocking component includes a first unlocking cable, and the locking mechanism includes a rear door front lock. One end of the first unlocking cable is connected to the inward opening linkage (2), and the other end of the first unlocking cable is connected to the rear door front lock and can trigger the rear door front lock to unlock.

10. The automotive sliding door child lock of claim 9, wherein, The unlocking component also includes a second unlocking cable, and the locking mechanism also includes a rear door lock. One end of the second unlocking cable is connected to the inward opening linkage (2), and the other end of the second unlocking cable is connected to the rear door lock and can trigger the rear door lock to unlock.

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