An electric child safety structure sharing a motor with a central control

Abstract

The present application relates to a kind of electric child safety structure with central control share motor, belong to the technical field of automobile door lock, including bottom plate and central control lock stop lever, the bottom plate is provided with central control lock stop kinematic chain and electric child safety kinematic chain, the central control lock stop kinematic chain includes first connecting rod, the electric child safety kinematic chain includes second connecting rod, the first connecting rod and second connecting rod are all elastically hinged on the bottom plate, and are respectively used to control the opening and closing of central control lock and child safety lock, the shaft end of the first connecting rod and second connecting rod is parallel with the bottom plate.The present application is by being provided with the central control lock stop kinematic chain and electric child safety kinematic chain that can be used mutually on the bottom plate, only need a drive motor to make lock drive connecting rod rotate to realize the locking of central control and the locking of child safety lock, in the clockwise / counterclockwise rotation process of lock drive connecting rod, can respectively let central control lock body lock and unlock, and driving structure is directly acted on central control lock body, without too many parts cooperation.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile door lock, and particularly relates to an electric child safety lock structure sharing a motor with a central control. BACKGROUND

[0002] The automobile child safety lock is a kind of active safety device for ensuring the safety of children in a vehicle, which prevents the danger caused by the child opening the door by mistake in the vehicle during driving. In the locked state of the child safety lock, even if the central control lock is electrically unlocked, the child safety device is still in the locked state, and the door can only be opened from the outside, and the door handle in the vehicle temporarily loses the function of opening the door.

[0003] The prior art discloses a central control integrated platform type self-suction after door lock, which comprises a subassembly B and a subassembly C. The subassembly A is connected with the subassembly B to form a combined body, the subassembly C is connected with the combined body through a flower-shaped disc head self-tapping screw C and a flower-shaped disc head self-tapping screw B, the subassembly A comprises a lock body, the lock body is connected with a cover plate, and an open slot is arranged on the upper portion of the cover plate. A support block and an inner opening rocker shaft are sequentially arranged on the inner side vertical plate of the lock body from top to bottom. An inner opening rocker is arranged on the inner opening rocker shaft. An outer opening return spring fixing column, a pawl shaft, an outer opening rocker shaft, a safety linkage arm shaft and a ratchet wheel shaft are sequentially arranged on the inner side bottom plate of the lock body from top to bottom.

[0004] The above scheme is convenient and flexible to operate, has good quality, realizes the functions of inner opening and strong opening, central control super lock, electronic child lock, vehicle door tensioning auxiliary protection from half lock to full lock, and electronic anti-mislock, and has good economic and social benefits.

[0005] However, in the above-mentioned technology, the central control lock and the child safety lock are driven by independent motors respectively, so that the space of the whole door lock body is excessive, and the assembly and line arrangement are inconvenient. SUMMARY

[0006] Technical problems solved

[0007] In view of the above-mentioned defects in the prior art, the application provides an electric child safety lock structure sharing a motor with a central control, which can effectively solve the problem that the central control lock and the child safety lock are driven by independent motors respectively in the prior art, causing the space in the door to be crowded and excessive.

[0008] Technical scheme

[0009] To achieve the above object, the application is implemented by the following technical scheme:

[0010] The application provides an electric child safety structure with a central control shared motor, which comprises a bottom plate and a central control locking rod, a central control locking movement chain and an electric child safety movement chain are arranged on the bottom plate, the central control locking movement chain comprises a first connecting rod, the electric child safety movement chain comprises a second connecting rod, the first connecting rod and the second connecting rod are elastically hinged on the bottom plate, and are respectively used for controlling a central control lock and a child safety lock, and the shaft end of the first connecting rod and the second connecting rod is parallel to the bottom plate;

[0011] The central control locking rod is movably arranged on the bottom plate and can reciprocate along the length direction of the bottom plate, a slot is formed on the side of the first connecting rod facing the central control locking rod, a first protrusion is arranged on the end of the central control locking rod facing the first connecting rod, the first protrusion extends into the slot and can push the first connecting rod to rotate when the central control locking rod moves on the bottom plate;

[0012] The side of the central control locking rod away from the first connecting rod is provided with a notch, a rotatable locking drive connecting rod is arranged on the bottom plate, one end of the locking drive connecting rod can swing in the notch and push the central control locking rod to move on the bottom plate.

[0013] Further, a release coupling rod is further arranged, and the release coupling rod is rotatably arranged on the front end of the bottom plate.

[0014] Further, an electric child safety locking coupling connecting rod is rotatably arranged on the bottom plate, a hinged shaft is arranged on the electric child safety locking coupling connecting rod, an electric child safety locking rod which can reciprocate along the length direction of the bottom plate is further arranged on the bottom plate, the electric child safety locking rod is hingedly arranged at one end of the hinged shaft and can drive the electric child safety locking coupling connecting rod to rotate through the hinged shaft when the electric child safety locking rod moves on the bottom plate.

[0015] Further, one end of the electric child safety locking coupling connecting rod abuts against the end of the release coupling rod facing the bottom plate.

[0016] Further, an arc block is vertically arranged at the end of the electric child safety locking rod facing the central control locking rod, a guide groove is formed in the length direction of the central control locking rod at the end of the central control locking rod facing the electric child safety locking rod, the arc block vertically extends into the guide groove, and the bottom end of the arc block is always attached to the guide groove;

[0017] The side of the guide groove away from the locking drive connecting rod is provided with a convex arch, when the arc block is separated from the peak of the convex arch and contacts the guide groove, the side of the electric child safety locking rod facing the locking drive connecting rod is on the rotating path of the locking drive connecting rod.

[0018] Further, a central control locking coupling connecting rod is arranged on the central control locking rod, the central control locking coupling connecting rod is parallel to the electric child safety locking rod, and is on the rotating path of the locking drive connecting rod.

[0019] Further, when the lock driving link rotates towards the side of the central control lock rod, the central control lock coupling link contacts the lock driving link before the child safety lock rod.

[0020] Further, the lower end of the child safety lock rod is arc-shaped.

[0021] Further, the concave surface of the notch is arranged towards the lock driving link and is located on the rotation path of the lock driving link in the clockwise direction.

[0022] Advantages

[0023] Compared with the known prior art, the technical scheme provided by the present application has the following advantages:

[0024] The present application sets the central control lock movement chain and the electric child safety lock movement chain on the base plate, which can be used in cooperation. Only one driving motor is needed to rotate the lock driving link to realize the locking of the central control lock and the child safety lock. During the clockwise / anticlockwise rotation of the lock driving link, the central control lock can be locked and unlocked, respectively. The driving structure directly acts on the central control lock, without the need for too many parts to cooperate.

[0025] Meanwhile, the release coupling rod for controlling the opening and closing of the child safety lock is controlled by the left and right pushing of the child safety lock rod, and the child safety lock rod is also driven by the lock driving link. That is, the two kinds of locks are integrated on one base plate, and only one driving structure is needed to realize the opening and closing of the two locks. The overall station is simple to set, and the number of driving structures is reduced.

[0026] Through the cooperation between the arc block on the child safety lock rod and the guide groove, after the central control lock is unlocked, the child safety lock rod naturally swings and is located on the rotation path of the lock driving link. At this time, the lock driving link is rotated, the child safety lock rod pushes the release coupling rod and executes the locking of the child safety lock. The opening and closing processes of different locks are efficient and have short response time. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0028] Figure 1 It is an overall structure diagram in the embodiments of the present application.

[0029] Figure 2 It is a front view structure diagram of the central control lock rod in the embodiments of the present application.

[0030] Figure 3 (a) Figure 3 (b) is a schematic view of the cooperation between the guide groove and the arc block in the embodiment of the present application (front view);

[0031] Figure 4 (b) is a schematic view of the cooperation between the guide groove and the arc block in the embodiment of the present application (front view);

[0032] Figure 5 (b) is a schematic view of the cooperation between the guide groove and the arc block in the embodiment of the present application (front view);

[0033] Figure 6 (b) is a schematic view of the cooperation between the guide groove and the arc block in the embodiment of the present application (front view);

[0034] Figure 7 (a) is a schematic view of the bottom plate structure (without the child safety lock coupling connecting rod) in the embodiment of the present application;

[0035] Figure 7 (b) is a schematic view of the bottom plate structure (with the child safety lock coupling connecting rod) in the embodiment of the present application;

[0036] Figure 8 (b) is a schematic view of the cooperation between the guide groove and the arc block in the embodiment of the present application (front view);

[0037] Figure 9 (b) is a schematic view of the cooperation between the guide groove and the arc block in the embodiment of the present application (front view);

[0038] Figure 10 (b) is a schematic view of the cooperation between the guide groove and the arc block in the embodiment of the present application (front view);

[0039] Reference signs: 1, bottom plate; 11, first connecting rod; 111, insertion slot; 12, second connecting rod; 13, locking driving connecting rod; 2, central control locking rod; 21, first protrusion; 22, notch; 23, guide groove; 231, convex arch; 24, central control locking coupling connecting rod; 3, release coupling rod; 31, child safety locking rod; 311, arc block; 4, child safety locking coupling connecting rod; 41, hinged shaft. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0041] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0043] In the description of the present embodiment, the terms "up", "down", "left", "right", and other orientation or position relationships are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0044] The present application will be further described below in conjunction with the embodiments.

[0045] The existing automobile door lock mostly advocates two aspects, one is to reduce the mass of the automobile door to achieve the requirement of energy saving and emission reduction, and the other is to reduce the use of materials and reduce the manufacturing cost of the door lock, which is ultimately a lightweight design of the door lock, and the result of opening and closing the door lock is to realize the cooperation between the connecting rod and the ratchet.

[0046] The existing automobile door lock is very cumbersome in the process of rotating the connecting rod to achieve opening and closing the lock, and the driving structure needs to be cooperated by multiple components to achieve it. Once a component is not smooth, it will cause the failure of the entire lock body.

[0047] Specifically, the present scheme is described in detail by the following embodiments.

[0048] Embodiment:

[0049] Referring to the drawings Figures 1-10The electric child safety structure of the application shares a motor with a central control, mainly comprising a bottom plate 1 and a central control locking rod 2. The front end of the bottom plate 1 is elastically hinged with a first connecting rod 11 and a second connecting rod 12 from left to right for controlling a central control lock and a child safety lock. The shaft end of the first connecting rod 11 and the second connecting rod 12 is parallel to the bottom plate 1. The central control locking rod 2 is movably installed on the bottom plate 1 and can reciprocally move along the length direction of the bottom plate 1. A slot 111 is formed on the side of the first connecting rod 11 facing the central control locking rod 2. A first protrusion 21 is arranged on the end of the central control locking rod 2 facing the first connecting rod 11. The first protrusion 21 extends into the slot 111 and can push the first connecting rod 11 to rotate when the central control locking rod 2 moves on the bottom plate 1.

[0050] A notch 22 is arranged on the side of the central control locking rod 2 away from the first connecting rod 11. A rotatable locking drive connecting rod 13 is arranged on the bottom plate 1. One end of the locking drive connecting rod 13 can swing in the notch 22 and push the central control locking rod 2 to move on the bottom plate 1.

[0051] First, refer to the attached Figures 1-10 The central control lock opening and closing lock in the electric child safety structure of the application shares a motor with a central control, which has the following working states:

[0052] The central control locking state, that is, the first connecting rod 11 is in the locking position. At this time, the central control lock has been locked. The central control locking coupling connecting rod 24 is on the counterclockwise rotation path of the locking drive connecting rod 13. The central control locking rod 2 moves to the left side in two cases, one is to control the rotation of the first connecting rod 11 artificially, and the other is to rotate the first connecting rod 11 by pushing the locking drive connecting rod 13. The structure of the connecting rod rotation control door lock is a known technology, and this case does not have too much redundancy.

[0053] The central control unlocking state, first, rotate the locking drive connecting rod 13 counterclockwise. When the locking drive connecting rod 13 abuts against the central control locking coupling connecting rod 24 and applies a pushing force to the central control locking coupling connecting rod 24 (the left side in the figure), the central control locking rod 2 will move to the left side through the central control locking coupling connecting rod 24. The first connecting rod 11 is rotated by the movement of the central control locking rod 2. The first protrusion 21 and the slot 111 are matched to achieve unlocking.

[0054] The central control lock changes from the central control unlocking state to the central control locking state, that is, the first connecting rod 11 is rotated to the locking position again. Rotate the locking drive connecting rod 13 clockwise. Since the rotation path of the locking drive connecting rod 13 intersects with the notch 22 formed on the central control locking rod 2, when the locking drive connecting rod 13 rotates clockwise, the locking drive connecting rod 13 will abut against the inner wall of the notch 22 (the right side in the figure) and continuously apply a pushing force to the notch 22, so that the entire central control locking rod 2 moves to the right side in the figure, achieving locking.

[0055] That is, the whole process only needs to lock the driving link 13 clockwise and counterclockwise rotation can directly act on the central control lock rod 2, and then let the first connecting rod 11 through the clockwise and counterclockwise rotation alternately realize the opening and closing change of the lock body, the whole station is simple and convenient to set, and the switching direction is efficient.

[0056] And in the case, the child safety lock function is matched with the central control lock rod 2. The child safety lock can only be opened by rotating the handle outside the door, but in the prior art, the driving structure for controlling the child safety lock and the central control lock is mostly independent control. When the central control is in the locked state, the passenger rotates the handle in the car to cause the central control to be unlocked. The central control lock controls four doors. Once the central control lock is unlocked, all doors can be opened. At present, many vehicles can open the door by pulling the handle twice. If a child operates it, it is dangerous. When the central control is in the locked state, the child safety lock button is pressed, and the driving mechanism for rotating the lock driving link 13 sends an A signal. When the passenger rotates the handle, the central control will be unlocked, but the A signal is still in the closed state at this time. At this time, the lock driving link 13 rotates and can lock the child safety lock when the central control lock is in the locked or closed state.

[0057] Specifically, the release coupling rod 3 in the scheme is rotatably installed at the front end of the bottom plate 1, and a child safety lock coupling connecting rod 4 is rotatably installed on the bottom plate 1. The child safety lock coupling connecting rod 4 is provided with a hinge shaft 41. A child safety lock rod 31 that can reciprocate along the length direction of the bottom plate 1 is also installed on the bottom plate 1. The child safety lock rod 31 is hinged at one end of the hinge shaft 41 and can drive the child safety lock coupling connecting rod 4 to rotate through the hinge shaft 41 when it moves on the bottom plate 1.

[0058] When the central control lock is in the locked state, once the door is triggered for the first time, in a very short time, when the A signal is still in the starting state, the lock driving link 13 will start to rotate and push the child safety lock rod 31 to move to the left side in the drawing, so that the child safety lock coupling connecting rod 4 starts to rotate. When the child safety lock coupling connecting rod 4 rotates, one end of the child safety lock coupling connecting rod 4 abuts against the end of the release coupling rod 3 towards the bottom plate 1. When the child safety lock coupling connecting rod 4 starts to rotate, it can rotate to a certain position and limit the rotation of the second connecting rod 12. The second connecting rod 12 cannot rotate, that is, the child safety lock is locked, and the door cannot be opened.

[0059] When the central control lock needs to be unlocked, only need to let the lock driving link 13 rotate in the clockwise direction in the drawing. After the central control lock rod 2 moves to the right side, it will drive the child safety lock rod 31 to move to the right side synchronously, and then the child safety lock coupling connecting rod 4 resets and rotates, no longer limits the second connecting rod 12. The whole child safety lock is in the unlocked state.

[0060] More specifically, in the case, the child safety lock rod 31 is vertically provided with an arc block 311 at one end of the central control lock rod 2, the central control lock rod 2 is provided with a guide groove 23 along the length direction of the central control lock rod 2 at one end of the child safety lock rod 31, the arc block 311 vertically extends into the guide groove 23 and the bottom end of the arc block 311 is always attached to the guide groove 23, and the end of the guide groove 23 is arc-shaped and is smooth processed, so that the arc block 311 can smoothly slide in the guide groove 23 and can slide to the wave crest of the convex arch 231, and the side of the guide groove 23 away from the lock driving link 13 is provided with a convex arch 231, when the arc block 311 is separated from the wave crest of the convex arch 231 and is contacted at the guide groove 23, the child safety lock rod 31 is at the rotating path of the lock driving link 13 at one side of the lock driving link 13.

[0061] In the case, when the lock driving link 13 rotates to one side of the central control lock rod 2, the central control lock coupling link 24 is contacted with the lock driving link 13 earlier than the child safety lock rod 31, that is, when the central control lock rod 2 moves to the left side, the arc block 311 will move from the wave crest to the wave trough, so that the child safety lock rod 31 will rotate downward, and the side of the rotated child safety lock rod 31 will just fall into the rotating path of the lock driving link 13, at this time, the counterclockwise rotation of the lock driving link 13 will push the child safety lock rod 31 to move to the left side, and then the rotation of the child safety lock coupling link 4 will limit the rotation of the second link 12.

[0062] When the child safety lock needs to be unlocked, the lock driving link 13 moves to the right and synchronously drives the central control lock rod 2 to move to the right, at this time, the arc block 311 will be contacted at the wave crest of the convex arch 231 in the guide groove 23, and the arc block 311 will be contacted at the left side of the convex arch 231, the movement of the central control lock rod 2 synchronously drives the child safety lock rod 31 to move to the right, and then the child safety lock coupling link 4 no longer limits the second link 12, the child safety lock is released, and the door can be opened.

[0063] And in the process that the lock driving link 13 pushes the central control lock coupling link 24 to move to the left side, the child safety lock rod 31 will synchronously move with the central control lock rod 2 for a distance and then will start to rotate, in order to ensure the smooth rotation, the lower end of the child safety lock rod 31 is arc-shaped, so that the child safety lock rod 31 can flexibly rotate to the rotating path of the lock driving link 13.

[0064] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. An electrically powered child restraint structure sharing a motor with a central control, characterized by, It includes: The bottom plate (1) is provided with a central control lock movement chain and an electric child safety movement chain, the central control lock movement chain includes a first connecting rod (11), the electric child safety movement chain includes a second connecting rod (12), the first connecting rod (11) and the second connecting rod (12) are elastically hinged on the bottom plate (1), and are respectively used for controlling the opening and closing of the central control lock and the child safety lock, the shaft end of the first connecting rod (11) and the second connecting rod (12) is parallel to the bottom plate (1); The central control lock stop rod (2) is movably mounted on the bottom plate (1) and can reciprocate along the length direction of the bottom plate (1), one side of the first connecting rod (11) towards the central control lock stop rod (2) is provided with a slot (111), one end of the central control lock stop rod (2) towards the first connecting rod (11) is provided with a first protrusion (21), the first protrusion (21) extends into the slot (111) and can push the first connecting rod (11) to rotate when moving on the bottom plate (1); Wherein, one side of the central control lock stop rod (2) away from the first connecting rod (11) is provided with a notch (22), the bottom plate (1) is provided with a rotatable lock driving connecting rod (13), one end of the lock driving connecting rod (13) can swing in the notch (22) and push the central control lock stop rod (2) to move on the bottom plate (1); The bottom plate (1) is rotatably mounted with a child safety lock stop coupling connecting rod (4), the child safety lock stop coupling connecting rod (4) is provided with a hinged shaft (41), a child safety lock stop rod (31) which can reciprocate along the length direction of the bottom plate (1) is also mounted on the bottom plate (1), the child safety lock stop rod (31) is ball-hinged at one end of the hinged shaft (41) and can drive the child safety lock stop coupling connecting rod (4) to rotate through the hinged shaft (41) when moving on the bottom plate (1); One end of the child safety lock stop rod (31) towards the central control lock stop rod (2) is vertically provided with an arc block (311), one end of the central control lock stop rod (2) towards the child safety lock stop rod (31) is provided with a guide groove (23) along the length direction of the central control lock stop rod (2), the arc block (311) vertically extends into the guide groove (23) and the bottom end of the arc block (311) is always attached to the guide groove (23); Wherein, one side of the guide groove (23) away from the lock driving connecting rod (13) is provided with a convex arch (231), when the arc block (311) is contacted at the guide groove (23) away from the convex arch (231), one side of the child safety lock stop rod (31) towards the lock driving connecting rod (13) is in the rotating path of the lock driving connecting rod (13).

2. The electric child safety structure sharing a motor with a central controller according to claim 1, characterized in that, It also includes: The release coupling rod (3) is rotatably mounted at the front end of the bottom plate (1).

3. The electric child safety structure sharing a motor with a central controller according to claim 2, characterized in that, One end of the child safety lock stop coupling connecting rod (4) is abutted against one end of the release coupling rod (3) towards the bottom plate (1).

4. The child safety seat of claim 1, wherein the seat back is pivotally coupled to the seat bottom. The central control lock stop coupling connecting rod (24) is installed on the central control lock stop rod (2), the central control lock stop coupling connecting rod (24) is parallel to the child safety lock stop rod (31) and is in the rotating path of the lock driving connecting rod (13).

5. The child safety seat of claim 4, wherein the motor is shared with the head control. When the lock driving link (13) rotates towards the side of the central lock rod (2), the central lock coupling link (24) contacts the lock driving link (13) prior to the child lock rod (31).

6. The child safety seat of claim 5, wherein the motor is shared with the head control. The lower end of the child lock rod (31) is arc-shaped.

7. The child safety seat of claim 5, wherein the seat back is pivotally coupled to the seat bottom. The concave surface of the notch (22) is arranged towards the lock driving link (13) and is located on the rotation path of the lock driving link (13) in the clockwise direction.

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