Self-adjusting vehicle door lock catch assembly and its mounting method and vehicle
The self-adjusting vehicle door lock catch assembly automatically adjusts the lock catch's position relative to the door, addressing manual adjustment limitations, enhancing door closure quality and production efficiency.
Patent Information
- Application Number
- JP2024572266
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-06-07
- Filing Date
- 2023-05-29
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2043-05-29
AI Technical Summary
The adjustment of vehicle door lock catches is crucial for sound quality when closing the door, but existing methods require manual adjustment on both sides of the vehicle, limiting production efficiency and consistency due to a restricted adjustment range.
A self-adjusting vehicle door lock catch assembly with a floating adjustment piece and position regulating block allows for automatic calibration of the lock catch body's position relative to the vehicle door, enabling precise adjustment in both vertical and horizontal directions without additional equipment.
This assembly improves door closure quality, reduces labor and time costs, ensures product consistency, and enhances production efficiency by allowing for a wide adjustment range without extra tools, ensuring optimal fit and sound quality.
Smart Images

Figure 2025521217000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of interior trims and exterior trims of automobile bodies, and more specifically, to a self-adjusting vehicle door lock catch assembly, a mounting method thereof, and a vehicle.
Background Art
[0002] With the continuous development of the automobile industry, people's requirements for the comfort of automobiles, especially the sound quality when closing the door, are becoming increasingly strict. The medium- and high-frequency parts of the sound when closing the door are the collision sounds between the door lock and the lock cylinder, and the quality of this sound greatly affects the subjective feelings of users. An important factor is the actual relative position between the door lock and the lock cylinder, among which the adjustment of the vehicle door lock catch is very important. If the adjustment of the vehicle door lock catch is not appropriate, it will directly affect the quality of opening and closing the vehicle door.
Summary of the Invention
[0003] The present invention provides a self-adjusting vehicle door lock catch assembly, and the self-adjusting vehicle door lock catch assembly includes a lock catch body including a base and a lock cylinder, wherein a bolt insertion hole is provided in the base, the base has a first surface and a second surface facing each other, the first surface faces the vehicle door, and a slide groove is provided on the first surface, and the lock cylinder is fixedly connected to the first surface of the base, the lock catch body; a floating adjustment piece provided in the slide groove for adjusting the position of the lock catch body, wherein an opening is provided in the floating adjustment piece, and the diameter of the bolt insertion hole is larger than the diameter of the opening of the floating adjustment piece, the floating adjustment piece; a fastener for fixing the base to a sheet metal member on the vehicle side wall, wherein the diameter of the opening of the floating adjustment piece is adapted to the size of the fastener, the fastener; A position regulating block connected to the base, wherein a position regulating groove is provided between the position regulating block and the base, and the position regulating block positions the lock catch body by the position regulating groove.
[0004] Preferably, two slide grooves and two bolt insertion holes are provided on the first surface of the base, each slide groove is arranged concentrically with the corresponding bolt insertion hole, and a sliding space for the floating adjustment piece is provided in advance in the slide groove.
[0005] Preferably, the sliding space includes a lateral sliding space and a longitudinal sliding space. The floating adjustment piece adjusts the position of the lock catch body in the Y direction within the lateral sliding space, and the Y direction coincides with the vehicle body width direction. The floating adjustment piece adjusts the position of the lock catch body in the Z direction within the longitudinal sliding space, and the Z direction coincides with the vehicle body height direction.
[0006] Preferably, the fastener includes a countersunk head bolt.
[0007] Preferably, the self-adjusting vehicle door lock catch assembly further includes a bush provided on the inner wall of the bolt insertion hole.
[0008] Preferably, a spacer is provided between the second surface of the base and the sheet metal member of the vehicle side wall.
[0009] Preferably, the self-adjusting vehicle door lock catch assembly further includes at least one base bracket for supporting the base in the Z direction.
[0010] Preferably, the self-adjusting vehicle door lock catch assembly further includes an exterior trim panel covering the first surface of the base.
[0011] In another aspect, the present invention further provides a method for installing a self-adjusting vehicle door lock catch assembly, the method comprising: temporarily fastening the floating adjustment piece and the fastener formed in the bolt insertion hole to the sheet metal member of the vehicle side wall with a first torque; when the vehicle door is closed at a preset door closing speed until the door lock is in the locked state, adaptively adjusting the position regulating block, the floating adjustment piece, and the fastener so that the lock catch body fits the vehicle door; tightening the fastener with a second torque greater than the first torque; removing the position regulating block and installing an exterior trim panel.
[0012] In another aspect, the present invention further provides a vehicle including the self-adjusting vehicle door lock catch assembly as described above.
[0013] The self-adjusting vehicle door lock catch assembly according to the present invention includes a floating adjustment piece and a position regulating block. After the vehicle door is closed, the relative position between the lock catch body and the vehicle door is automatically calibrated based on the actual position of the vehicle door. The vehicle door and the lock catch body are self-adaptively adjusted to a reasonable state in the vertical direction (Z direction) and the horizontal direction (Y direction). The lock catch assembly has high self-adaptability, a relatively wide adjustment range, and does not require excessive auxiliary adjustment structures or equipment, thus greatly improving the quality of closing the vehicle door, saving labor costs and time costs, ensuring product consistency, and improving production efficiency.
[0014] Other features and advantages of the present invention will be described in detail in the following embodiments for carrying out the invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] To more clearly explain the embodiments of the present invention, the accompanying drawings necessary for the description of the embodiments will be briefly described below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and the same reference numerals generally represent the same members. Those skilled in the art can obtain other accompanying drawings without creative efforts based on these drawings.
[0016]
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Modes for Carrying Out the Invention
[0017] Hereinafter, the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments that can be obtained by those skilled in the art without creative efforts are included in the protection scope of the present invention.
[0018] As used herein, "one embodiment" or "an embodiment" refers to certain features, structures, or characteristics that may be included in at least one embodiment of the present invention. In the specification of the present invention, terms such as "upper", "lower", "top", "bottom", etc. indicate the orientation or positional relationship based on that shown in the accompanying drawings, and are merely for facilitating the description of the present invention and simplifying the explanation, and do not indicate or imply that the recited device or element must be configured and operated in a specific orientation, and thus should not be construed as a limitation of the specification of the present invention. It should also be understood that the terms "first" and "second" are used only for the purpose of description and are not to be construed as indicating or implying relative importance, nor implicitly specifying the number of the recited technical features. Therefore, the features defined by the terms "first" and "second" may possibly include one or more such features explicitly or implicitly. Also, terms such as "first", "second", etc. are used to distinguish similar objects and are not necessarily used to describe a specific order or priority. It should be understood that when used in this way, these terms may be interchanged where appropriate so that the embodiments of the present invention described herein can be implemented in an order other than the order shown or described herein.
[0019] In the adjustment of the conventional vehicle door lock catch, in order to finely adjust the doors of each vehicle to be lined off, one person was required on each of the left and right sides of the vehicle on the production line. Due to the limited adjustment range and the requirements of the production tact, it is difficult to adjust the entire production line of mass-produced vehicle models to the sound quality when closing the desired door.
[0020] Referring to FIG. 1, FIG. 1 is a schematic configuration diagram of a vehicle door lock catch in the prior art. The vehicle door lock catch in the prior art generally includes a base 1, a lock cylinder 2, a spacer 8, etc., and is fixed to the side wall pillar by two dish bolts. It is necessary to manually check whether the relative position between the lock cylinder and the vehicle door is appropriate during installation.
[0021] Referring to FIGS. 2 and 3, an embodiment of the present invention provides a self-adjusting vehicle door lock catch assembly, and the self-adjusting vehicle door lock catch assembly includes a lock catch body including a base 1 and a lock cylinder 2, wherein a bolt insertion hole 3 is provided in the base 1, the base 1 has a first surface and a second surface facing each other, the first surface faces the vehicle door, and a slide groove is provided on the first surface, and the lock cylinder 2 is fixedly connected to the first surface of the base 1, the lock catch body; a floating adjusting piece 4 provided in the slide groove for adjusting the position of the lock catch body, wherein an opening is provided in the floating adjusting piece 4, and the diameter of the bolt insertion hole 3 is larger than the diameter of the opening of the floating adjusting piece 4, the floating adjusting piece 4; a fastener 5 for fixing the base 1 to the sheet metal member of the vehicle side wall, wherein the diameter of the opening of the floating adjusting piece 4 is adapted to the dimension of the fastener 5, the fastener 5; a position regulating block 6 (limit block) connected to the base 1, wherein a position regulating groove (limit groove) is provided between the position regulating block 6 and the base 1, and the position regulating block 6 regulates the position of the lock catch body by the position regulating groove, the position regulating block 6.
[0022] In an embodiment of the present invention, the material of the base 1 may be POM (polyoxymethylene). The lock cylinder 2 is provided at the center of the first surface of the base 1 and faces the vehicle door. In one possible embodiment, two bolt insertion holes 3 are provided on the base 1 above and below the lock cylinder 2 along the height direction of the vehicle body with the lock cylinder 2 as the center line. The fastener 5 passes through the bolt insertion hole 3 to fix the base 1 to the sheet metal member of the vehicle side wall. In one possible embodiment, the fastener 5 includes a countersunk head bolt. The fastener 5 further includes a nut adapted to the countersunk head bolt, and the nut may be attached to, for example, a nut plate inside the inner panel of the vehicle side wall.
[0023] When installing the lock catch assembly, the floating adjustment piece 4 and the fastener 5 drilled in the bolt insertion hole 3 are temporarily tightened to the sheet metal member of the vehicle side wall with a first torque. Then, close the vehicle door at a preset door closing speed until the door lock is in the locked state. At this time, the position regulating block 6, the floating adjustment piece 4, and the fastener 5 are adaptively adjusted so that the lock catch body fits the vehicle door. For example, the position regulating block 6, the floating adjustment piece 4, and the fastener 5 are adjusted to a desired position. Then, tighten the fastener 5 with a second torque greater than the first torque and remove the position regulating block 6. In an embodiment of the present invention, the material of the position regulating block 6 may be PA66 (polyamide 66).
[0024] In one possible embodiment, two slide grooves are provided on the first surface of the base 1. Each slide groove is arranged concentrically with the corresponding bolt insertion hole 3, and a sliding space for the floating adjustment piece 4 is provided in advance in the slide groove. The floating adjustment piece 4 is installed in the corresponding slide groove. The size of the slide groove is larger than the size of the floating adjustment piece 4 to ensure a space for the floating adjustment piece 4 to slide, so that the floating adjustment piece 4 can move up, down, left, and right.
[0025] In one possible embodiment, the sliding space includes a lateral sliding space and a longitudinal sliding space. Referring to the details of the A-A cross-section shown in FIG. 4, the floating shim 4 adjusts the position of the lock catch body in the Y direction within the lateral sliding space, and the Y direction coincides with the vehicle body width direction. Referring to the details of the B-B cross-section shown in FIG. 5, the floating shim 4 adjusts the position of the lock catch body in the Z direction within the longitudinal sliding space, and the Z direction coincides with the vehicle body height direction.
[0026] In one possible embodiment, the self-adjusting vehicle door lock catch assembly further includes a bush 7 provided on the inner wall of the bolt insertion hole 3. Specifically, the bush 7 functions as a seal. When installing the lock catch assembly, the floating shim 4 needs to adjust the position of the lock catch body, and the fastener 5 passes through the floating shim 4 and the bolt insertion hole 3 to fix the lock catch body. The diameter of the bolt insertion hole 3 is larger than the diameter of the opening of the floating shim 4. After the floating shim 4 is adaptively adjusted to an appropriate position, the fastener 5 is tightened. At this time, the bush 7 fastens the fastener 5 and the bolt insertion hole 3 according to the space for the floating shim 4 to move.
[0027] In one possible embodiment, a spacer 8 is provided between the second surface of the base 1 and the sheet metal member of the vehicle side wall. In one possible embodiment, the self-adjusting vehicle door lock catch assembly further includes at least one base bracket 9 for supporting the base 1 in the Z direction. In an embodiment of the present invention, there are two base brackets 9, which are provided at the upper and lower ends of the base 1 along the height direction of the vehicle body to fixedly support the base 1. The material of the base bracket 9 may be POM.
[0028] In one possible embodiment, the self-adjusting vehicle door lock catch assembly further includes an exterior trim panel 10 covering the first surface of the base 1. After tightening the fastener 5 to remove the position restricting block 6, the lock catch assembly becomes more aesthetically pleasing by attaching the exterior trim panel 10.
[0029] On the other hand, referring to FIG. 6, an embodiment of the present invention further provides a method for installing a self-adjusting vehicle door lock catch assembly, the method comprising: Temporarily fastening the floating adjustment piece 4 and the fastener 5 drilled in the bolt insertion hole 3 to the sheet metal member of the vehicle side wall with a first torque (shown in (a) of FIG. 6); When closing the vehicle door at a preset door closing speed until the door lock is in the locked state, adaptively adjusting the position restricting block 6, the floating adjustment piece 4, and the fastener 5 so that the lock catch body fits the vehicle door (shown in (b) of FIG. 6); Tightening the fastener 5 with a second torque greater than the first torque (shown in (c) of FIG. 6); Removing the position restricting block 6 and attaching the exterior trim panel 10 (shown in (d) - (f) of FIG. 6).
[0030] On the other hand, an embodiment of the present invention further provides a vehicle including the self-adjusting vehicle door lock catch assembly as described above.
[0031] Embodiments of the present invention provide a self-adjusting vehicle door lock catch assembly, an installation method thereof, and a vehicle. After the door is closed, based on the actual position of the door, the relative positions of the lock catch body and the vehicle door are automatically calibrated by a position regulating block, a floating adjusting piece, and a fastener. The vehicle door and the lock catch body are self-adaptively adjusted to a reasonable state in the vertical direction (Z direction) and the horizontal direction (Y direction). The lock catch assembly has high self-adaptability, a relatively wide adjustment range, and does not require excessive auxiliary adjustment structures or facilities, thus greatly improving the quality of closing the vehicle door, saving labor costs and time costs, ensuring product consistency, and improving production efficiency.
[0032] The above are only some embodiments of the present invention and do not limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Description of Reference Numerals
[0033] 1 Base 2 Lock Cylinder 3 Bolt Insertion Hole 4 Floating Adjusting Piece 5 Fastener 6 Position Regulating Block 7 Bush 8 Spacer 9 Base Bracket 10 Exterior Trim Panel
Claims
1. A self-adjusting vehicle door lock catch assembly, comprising: A lock catch body including a base (1) and a lock cylinder (2), wherein a bolt insertion hole (3) is provided in the base (1), the base (1) has a first surface and a second surface facing each other, the first surface faces the vehicle door, and a slide groove is provided on the first surface, and the lock cylinder (2) is fixedly connected to the first surface of the base (1); a lock catch body; A floating adjustment piece (4) provided in the slide groove for adjusting the position of the lock catch body, wherein an opening is provided in the floating adjustment piece (4), and the diameter of the bolt insertion hole (3) is larger than the diameter of the opening of the floating adjustment piece (4); a floating adjustment piece (4); A fastener (5) for fixing the base (1) to a sheet metal member of the vehicle side wall, wherein the diameter of the opening of the floating adjustment piece (4) is adapted to the size of the fastener (5); a fastener (5); A position regulating block (6) connected to the base (1), wherein a position regulating groove is provided between the position regulating block (6) and the base (1), and the position regulating block (6) regulates the position of the lock catch body by the position regulating groove; a position regulating block (6), comprising: A self-adjusting vehicle door lock catch assembly, characterized in that.
2. Two slide grooves and two bolt insertion holes (3) are provided on the first surface of the base (1), each slide groove is concentrically arranged with the corresponding bolt insertion hole (3), and a sliding space for the floating adjustment piece (4) is provided in the slide groove in advance. The self-adjusting vehicle door lock catch assembly according to claim 1, characterized in that.
3. The sliding space includes a lateral sliding space and a longitudinal sliding space, The floating adjustment piece (4) adjusts the position of the lock catch body in the Y direction within the lateral sliding space, and the Y direction coincides with the vehicle body width direction. The floating adjustment piece (4) adjusts the position of the lock catch body in the Z direction within the longitudinal sliding space, and the Z direction coincides with the vehicle body height direction. The self-adjusting vehicle door lock catch assembly according to claim 2, characterized in that.
4. The fastener (5) includes a countersunk head bolt. The self - adjusting vehicle door lock catch assembly according to any one of claims 1 to 3, characterized in that...
5. Further comprising a bush (7) provided on the inner wall of the bolt insertion hole (3). The self - adjusting vehicle door lock catch assembly according to any one of claims 1 to 4, characterized in that...
6. A spacer (8) is provided between the second surface of the base (1) and the sheet metal member of the vehicle side wall. The self - adjusting vehicle door lock catch assembly according to any one of claims 1 to 5, characterized in that...
7. Further comprising at least one base bracket (9) for supporting the base (1) in the Z direction. The self - adjusting vehicle door lock catch assembly according to claim 3, characterized in that...
8. Further comprising an exterior trim panel (10) covering the first surface of the base (1). The self - adjusting vehicle door lock catch assembly according to any one of claims 1 to 7, characterized in that...
9. Temporarily fastening the floating adjustment piece (4) and the fastener (5) drilled in the bolt insertion hole (3) to the sheet metal member of the vehicle side wall with a first torque; When the vehicle door is closed at a preset door closing speed until the door lock is in the locked state, adaptively adjusting the position regulating block (6), the floating adjustment piece (4), and the fastener (5) so that the lock catch body fits the vehicle door; Tightening the fastener (5) with a second torque greater than the first torque; Removing the position regulating block (6) and attaching the exterior trim panel (10). The method for installing the self - adjusting vehicle door lock catch assembly according to any one of claims 1 to 8, characterized in that...
10. Including the self - adjusting vehicle door lock catch assembly according to any one of claims 1 to 8. A vehicle, characterized in that...
Citation Information
Patent Citations
Vehicle adjustable striker and method for adjusting adjustable striker
JP2023109723A