C1022 rear door lock assembly

Abstract

The invention provides a C1022 rear door lock assembly which comprises a rear base, the front face of the rear base is provided with a base child protection connecting hole, and the inner side face of the rear base is provided with a child protection block and base clamping position; the rear child protection block is arranged on the inner side face of the child protection connecting hole of the base, a left rear child protection transmission arm is arranged on the side face of the rear child protection block, a left inward opening transmission arm is arranged on the side face of the left rear child protection transmission arm, and a rear opening arm is arranged on the side face of the left inward opening transmission arm. According to the C1022 rear door lock assembly, a lock column of a child protection transmission arm and a special-shaped groove of a conversion arm are omitted, an original clamping groove type structure is changed into a gear type structure, the clamping stagnation phenomenon between the special-shaped groove of the conversion arm and the lock column of the child protection transmission arm is avoided, the reliability of the function of a child protection lock is effectively improved, and the safety of the child protection lock is improved. When the child protection lock is opened, a child in the automobile cannot open the automobile door by mistake, and the risk of accidents caused by accidental door opening of the child is reduced.

Description

Technical Field

[0001] The present invention relates to the field of automotive door locks, and particularly to a C1022 rear door lock assembly. Background Art

[0002] Automotive door locks are designed to improve the convenience and safety of vehicle use. When the child protection lock function of the automotive door lock is turned on, children cannot open the door from inside the vehicle and can only operate the outside door handle from outside the vehicle to open the door, thus protecting children and preventing accidents caused by children accidentally opening the door.

[0003] The existing child protection lock function has a slot-type structure. When the child protection lock function of the door lock is turned on, the child protection block inside the lock body drives the child protection transmission arm, and the lock post of the child protection transmission arm contacts the slot of the inner-opening conversion arm, driving the conversion arm so that the inner-opening handle inside the vehicle cannot be pulled normally, thereby protecting against incorrect operations by children inside the vehicle. However, there is a risk of jamming between the special-shaped slot of the inner-opening conversion arm inside the lock body and the lock post of the child protection transmission arm, resulting in the failure of the child protection function.

[0004] Therefore, it is necessary to provide a C1022 rear door lock assembly to solve the above technical problems. Summary of the Invention

[0005] The present invention provides a C1022 rear door lock assembly, which solves the problem of the risk of jamming between the special-shaped slot of the inner-opening conversion arm and the lock post of the child protection transmission arm, resulting in the failure of the child protection function.

[0006] To solve the above technical problems, a C1022 rear door lock assembly provided by the present invention includes:

[0007] A rear base, on the front surface of which there is a base child protection connection hole, and on the inner side surface of which there is a connection place between the child protection block and the base;

[0008] A rear child protection block, which is arranged on the inner side surface of the base child protection connection hole. On the side surface of the rear child protection block, there is a left rear child protection transmission arm. On the side surface of the left rear child protection transmission arm, there is a left inner-opening transmission arm. On the side surface of the left inner-opening transmission arm, there is a rear opening arm. On the side surface of the rear opening arm, there is a left rear inner-opening arm.

[0009] Preferably, on the inner side surface of the rear base, there is also a cooperation place between the left inner-opening transmission arm and the left rear inner-opening arm.

[0010] Preferably, on the surface of the left rear child protection transmission arm, there is a rear child protection transmission arm baffle, and on the surface of the rear child protection transmission arm, there are also two rear child protection transmission arm clamping holes.

[0011] Preferably, two post-child protection block clamping columns are connected to the surface of the post-child protection block, and the two post-child protection block clamping columns are adapted to the two post-child protection drive arm clamping holes.

[0012] Preferably, a left inboard opening drive arm baffle, a rear opening connecting arm connecting column, and a left inboard opening drive arm connecting column are provided on the surface of the left inboard opening drive arm.

[0013] Preferably, a rear opening arm clamping hole is formed on the surface of the rear opening arm, and a rear opening arm clamping hole is provided on the surface of the left rear inboard opening arm.

[0014] Preferably, an installation groove is formed on the outer side surface of the post-child protection block, and a blocking ring is sleeved on the surface of the installation groove.

[0015] Compared with the related art, a C1022 rear door lock assembly provided by the present invention has the following beneficial effects:

[0016] The present invention provides a C1022 rear door lock assembly. By canceling the lock column of the child protection drive arm and the special-shaped groove of the conversion arm, and changing the original card slot structure to a gear position structure, the jamming phenomenon between the special-shaped groove of the inboard opening conversion arm and the lock column of the child protection drive arm is avoided, effectively improving the reliability of the child protection lock function, ensuring that when the child protection lock is opened, children in the vehicle cannot accidentally operate to open the door, and reducing the risk of accidents caused by children accidentally opening the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a first embodiment of a C1022 rear door lock assembly provided by the present invention;

[0018] Figure 2 is Figure 1 a schematic structural diagram of the back surface of the base shown in

[0019] Figure 3 is Figure 1 a schematic structural diagram of the post-child protection block shown in

[0020] Figure 4 is Figure 1 a schematic exploded structural diagram shown in

[0021] Figure 5 is a schematic structural diagram of a second embodiment of a C1022 rear door lock assembly provided by the present invention.

[0022] Reference numerals in the figure: 1, rear child protection block; 2, left rear child protection drive arm; 3, left inner opening drive arm; 4, rear opening arm; 5, left rear inner opening arm; 6, rear base; 7, connection point between the child protection block and the base; 8, mating point between the left inner opening drive arm and the left rear inner opening arm; 11, child protection connection hole on the base; 12, clamping hole on the rear child protection drive arm; 13, baffle on the rear child protection drive arm; 14, clamping post on the rear child protection block; 15, baffle on the left inner opening drive arm; 16, connection post of the rear opening connecting arm; 17, clamping hole on the rear opening arm; 18, clamping hole on the rear opening arm; 19, connection post of the left inner opening drive arm; 20, installation groove, 21, blocking ring. Detailed implementation mode

[0023] The present invention will be further described below in conjunction with the accompanying drawings and the implementation mode.

[0024] First embodiment

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , where Figure 1 is a schematic structural diagram of the first embodiment of a C1022 rear door lock assembly provided by the present invention; Figure 2 is Figure 1 the schematic structural diagram of the back surface of the base shown; Figure 3 is Figure 1 the schematic structural diagram of the rear child protection block shown; Figure 4 is Figure 1 the schematic exploded view shown. A C1022 rear door lock assembly includes: a rear base 6, a child protection connection hole 11 is provided on the front surface of the rear base 6, and a connection point 7 between the child protection block and the base is provided on the inner side surface of the rear base 6;

[0026] A rear child protection block 1, the rear child protection block 1 is arranged on the inner side surface of the child protection connection hole 11 of the base, a left rear child protection drive arm 2 is arranged on the side surface of the rear child protection block 1, a left inner opening drive arm 3 is arranged on the side surface of the left rear child protection drive arm 2, a rear opening arm 4 is arranged on the side surface of the left inner opening drive arm 3, and a left rear inner opening arm 5 is arranged on the side surface of the rear opening arm 4.

[0027] A mating point 8 between the left inner opening drive arm and the left rear inner opening arm is further provided on the inner side surface of the rear base 6.

[0028] A baffle 13 on the rear child protection drive arm is arranged on the surface of the left rear child protection drive arm 2, and two clamping holes 12 on the rear child protection drive arm are further provided on the surface of the rear child protection drive arm 2.

[0029] Two clamping posts 14 on the rear child protection block are connected to the surface of the rear child protection block 1, and the two clamping posts 14 on the rear child protection block are adapted to the two clamping holes 12 on the rear child protection drive arm.

[0030] On the surface of the left inward-opening drive arm 3, there are a left inward-opening drive arm baffle 15, a rear-opening connecting arm connecting column 16, and a left inward-opening drive arm connecting column 19.

[0031] On the surface of the rear-opening arm 4, there is a rear-opening arm clamping hole 17, and on the surface of the left rear inward-opening arm 5, there is a rear-opening arm clamping hole 18.

[0032] The working principle of a C1022 rear door lock assembly provided by the present invention is as follows:

[0033] There is a child protection connection hole 11 on the side of the rear base 6. After installing the child protection block 1 in this hole, rotating it left and right by 10 realizes the child protection function;

[0034] There are 2 rear child protection block clamping columns 14 on the rear child protection block 1, which are connected to the clamping hole 12 of the rear child protection drive arm 2. When the child protection block 1 rotates left and right, it will drive the rear child protection drive arm 2, and the rear child protection drive arm baffle 13 will also swing left and right accordingly. The rear child protection drive arm baffle 13 is connected to the left inward-opening drive arm baffle 15;

[0035] The rear-opening connecting arm connecting column is connected to the rear-opening arm clamping hole 18. When the child protection function is closed, the inward-opening arm 5 is connected to the rear-opening connecting arm 3 at 8. When the inner handle opens the door lock in the inward-opening direction 9, the door can be opened smoothly; when the child protection is opened, the rear child protection block 1 rotates to the right, driving the child protection drive arm 2, causing the rear child protection drive arm baffle 13 to also move to the right and drive the left inward-opening drive arm baffle 15. The rear-opening connecting arm connecting column 16 rotates to the right with the combination of the left inward-opening drive arm connecting column 19 and the rear-opening arm clamping hole 17 of the rear rear-opening arm as the origin. At this time, when the inner handle opens the door lock in the inward-opening direction 11, the connection between the left inward-opening drive arm and the left rear inward-opening arm at 8 is separated, and the inward-opening arm 5 cannot drive the rear-opening arm 4, resulting in the failure to open the door lock inward;

[0036] At the clamping position 7 of the child protection block and the base, when the rear child protection block 1 rotates left and right, it contacts the rear base 6 and produces a gear feeling.

[0037] Compared with the related technology, a C1022 rear door lock assembly provided by the present invention has the following beneficial effects:

[0038] By canceling the locking post of the child protection drive arm and the special-shaped groove of the conversion arm, and changing the original card slot structure to a gear structure, the jamming phenomenon between the special-shaped groove of the inward-opening conversion arm and the locking post of the child protection drive arm is avoided, effectively improving the reliability of the child protection lock function, ensuring that when the child protection lock is opened, children in the car cannot accidentally operate to open the door, and reducing the risk of accidents caused by children accidentally opening the door.

[0039] Second Embodiment

[0040] Please refer toFigure 5 , based on a C1022 rear door lock assembly provided by the first embodiment of the present application, another C1022 rear door lock assembly is proposed in the second embodiment of the present application. The second embodiment is only a preferred manner of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0041] Specifically, the difference of a C1022 rear door lock assembly provided by the second embodiment of the present application is that, for a C1022 rear door lock assembly, an installation groove 20 is formed on the outer side surface of the rear child protection block 1, and a blocking ring 21 is sleeved on the surface of the installation groove 20.

[0042] The working principle of a C1022 rear door lock assembly provided by the present invention is as follows:

[0043] When in use, the blocking ring 21 is sleeved on the outer side surface of the installation groove 20, and the blocking ring 21 is located on the inner side surface of the base child protection connection hole 11, and the outer side surface of the blocking ring 21 is in contact with the inner side surface of the base child protection connection hole 11.

[0044] Compared with the related art, a C1022 rear door lock assembly provided by the present invention has the following beneficial effects:

[0045] By forming the installation groove 20 on the outer side surface of the rear child protection block 1 and installing the blocking ring 21 on the inner side surface of the installation groove 20, when in use, the outer side surface of the blocking ring 21 is in contact with the inner side surface of the base child protection connection hole 11, so as to fill the gap between the base child protection connection hole 11 and the rear child protection block 1, and reduce the dust from entering the inner side surface of the rear base 6.

[0046] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A C1022 rear door lock assembly, characterized in that: include: A rear base, wherein a base child protection connection hole is provided on the front of the rear base, and a child protection block and a base clamping portion are provided on the inner side of the rear base; A rear child protection block, the rear child protection block is arranged on the inner side of the child protection connecting hole of the base, the side of the rear child protection block is provided with a left rear child protection transmission arm, the side of the left rear child protection transmission arm is provided with a left inner opening transmission arm, the side of the left inner opening transmission arm is provided with a rear opening arm, and the side of the rear opening arm is provided with a left rear inner opening arm.

2. A C1022 rear door lock assembly according to claim 1, characterized in that: The inner side surface of the rear base is also provided with a matching position of a left inner opening transmission arm and a left rear inner opening arm.

3. The C1022 rear door lock assembly according to claim 1, characterized in that: The surface of the left rear child protection transmission arm is provided with a rear child protection transmission arm baffle, and the surface of the rear child protection transmission arm is also provided with two rear child protection transmission arm clamping holes.

4. A C1022 rear door lock assembly according to claim 3, characterized in that: The surface of the rear child protection block is connected with two rear child protection block clamping posts, and the two rear child protection block clamping posts are matched with the two rear child protection transmission arm clamping holes.

5. The C1022 rear door lock assembly according to claim 1, characterized in that: The surface of the left inner opening transmission arm is provided with a left inner opening transmission arm baffle, a rear opening connecting arm connecting column and a left inner opening transmission arm connecting column.

6. The C1022 rear door lock assembly according to claim 1, characterized in that: A rear opening arm clamping hole is provided on the surface of the rear opening arm, and a rear opening arm clamping hole is provided on the surface of the left rear inner opening arm.

7. The C1022 rear door lock assembly according to claim 1, characterized in that: An installation groove is arranged on the outer side surface of the rear child protection block, and a blocking ring is sleeved on the surface of the installation groove.

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