Automobile door handle tolerance adjuster

Abstract

The automobile door handle tolerance adjuster effectively solves the problem that the automobile door handle is inconvenient to install with the car plate; the automobile door handle tolerance adjuster comprises an upper and lower axial base, a plurality of elastic buckles are arranged at the lower end of the base, a plurality of wedge-shaped blocks corresponding to the elastic buckles are arranged at the lower end of the base, a first inner hexagonal screw is detachably connected in the base, a rotation prevention nut located below the base and capable of cooperating with the wedge-shaped blocks is detachably connected below the first inner hexagonal screw, a handle locking nut located above the first inner hexagonal screw is threadedly connected in the base, and a second inner hexagonal screw is detachably connected in the handle locking nut; the structure is simple, novel in design, convenient to use and high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of automotive assembly technology, and in particular to an automotive door handle tolerance adjuster. Background Technology

[0002] In the automotive manufacturing industry, especially for components like concealed door handles that precisely fit with the door panel, the assembly quality directly affects the product's appearance, functionality, durability, and safety. As large individual components, door handles and door panels inevitably have dimensional tolerances during manufacturing. When they are connected via mounting holes, the cumulative tolerances make it difficult to precisely guarantee the parallelism between the mounting holes. Strictly adhering to theoretical dimensions would significantly increase processing precision requirements and manufacturing costs, and the results might not even be ideal.

[0003] Without any compensatory measures, assembly workers often have to forcibly align and tighten bolts to connect the door handle to the door panel. This forced assembly causes the two components to be under continuous internal stress at the connection point. This assembly stress has serious negative effects: 1. Reduced vibration resistance: Continuous vibration during vehicle operation accelerates fatigue at stress concentration points, potentially leading to loose connections, abnormal noises, or even breakage. 2. Affected durability: Long-term stress accelerates material aging, deformation, or failure, shortening the lifespan of the door handle system. 3. Damaged flatness: Stress may cause unnatural protrusions, dents, or gaps between the door handle and the door panel, affecting appearance and user experience. Therefore, there is an urgent need for an automotive door handle tolerance adjuster to solve the above problems. Utility Model Content

[0004] In view of the above situation and in order to make up for the shortcomings of the existing technology, the purpose of this utility model is to provide an automotive door handle tolerance adjuster, which effectively solves the problem of inconvenient installation of automotive door handles and vehicle panels.

[0005] The technical solution is as follows: This utility model includes a base with an upper and lower axial direction. The lower end of the base is provided with multiple elastic buckles and multiple wedge blocks that correspond one-to-one with the elastic buckles. A first internal hexagon screw is detachably connected inside the base. An anti-rotation nut located below the base and capable of cooperating with the wedge blocks is detachably connected to the lower side of the first internal hexagon screw. A handle locking nut located above the first internal hexagon screw is threaded into the base. A second internal hexagon screw is detachably connected to the handle locking nut.

[0006] Preferably, the first internal hexagonal screw and the anti-rotation nut are interference-fitted by an insert.

[0007] Preferably, the mating surfaces of the anti-rotation nut and the wedge block are designed as complementary inclined surfaces, so that when the anti-rotation nut is pulled upward by the first internal hex screw, it can generate radial displacement along the inclined surface of the wedge block and eventually get stuck in the wedge block.

[0008] Preferably, the lower end of the base is provided with a slot, the anti-rotation nut is provided with a locking block, and the base is provided with an elastic protrusion that restricts the initial rotation position of the locking block. When the anti-rotation nut is subjected to tightening force and disengages from the elastic protrusion, its outer edge interferes with the slot wall to achieve locking.

[0009] Preferably, the handle locking nut is threadedly connected to the second internal hexagon screw.

[0010] Preferably, the upper end of the hand-locking nut is provided with multiple anti-slip protrusions.

[0011] Compared with the prior art, the beneficial effects of this utility model are: it enables the elastic buckle to quickly pre-position with the door panel hole, and combined with the anti-rotation nut's self-locking mechanism after disengaging from the elastic protrusion, i.e., the wedge block and complementary inclined surface forcibly radially lock, the base fixing process is simplified from the traditional multi-step operation to a single tightening of the first internal hex screw to complete the firm positioning, which greatly shortens the installation time and reduces the skill requirements of workers. At the same time, by rotating the second internal hex screw, the accumulated tolerance between the door panel and the handle is accurately compensated, ensuring that the components are in a natural state after assembly, avoiding the internal stress caused by traditional forced installation, and fundamentally improving the product's fatigue resistance and service life. Attached Figure Description

[0012] Figure 1 This is the main view axonometric drawing of this utility model.

[0013] Figure 2 This is a full-section main view axonometric drawing of this utility model.

[0014] Figure 3 This is a full-section top-view axonometric drawing of this utility model.

[0015] Figure 4 This is an isometric view of the base and anti-rotation nut in this utility model.

[0016] Figure 5 This is a diagram showing the installation and assembly of this utility model with a car door panel and a car door handle.

[0017] Figure 6 This is an isometric view of the present invention after it has been locked.

[0018] Figure label:

[0019] 1. Base; 2. Elastic buckle; 3. Wedge block; 4. First hex socket screw; 5. Anti-rotation nut; 6. Handle tightening nut; 7. Second hex socket screw; 8. Insert; 9. Slot; 10. Locking block; 11. Elastic protrusion; 12. Anti-slip protrusion. Detailed Implementation

[0020] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the implementations of the base model disclosed below.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0023] Depend on Figures 1 to 6 The system includes a base 1 with vertical axial direction, a plurality of elastic buckles 2 at the lower end of the base 1, a plurality of wedge blocks 3 corresponding one-to-one with the elastic buckles 2 at the lower end of the base 1, a first hexagon socket screw 4 detachably connected inside the base 1, an anti-rotation nut 5 located below the base 1 and capable of engaging with the wedge blocks 3 detachably connected to the lower side of the first hexagon socket screw 4, a handle locking nut 6 located above the first hexagon socket screw 4 being threaded into the base 1, and a second hexagon socket screw 7 detachably connected to the handle locking nut 6.

[0024] To enable the first hex socket screw 4 to be disassembled and connected to the anti-rotation nut 5, the first hex socket screw 4 and the anti-rotation nut 5 are interference-fitted by the insert 8.

[0025] For ease of use, the mating surfaces of the anti-rotation nut 5 and the wedge block 3 are designed as complementary inclined surfaces, so that when the anti-rotation nut 5 is pulled upward by the first internal hex screw 4, it can generate radial displacement along the inclined surface of the wedge block 3 and eventually get stuck in the wedge block 3.

[0026] To facilitate initial positioning, a slot 9 is provided at the lower end of the base 1, and a locking block 10 is provided on the anti-rotation nut 5. An elastic protrusion 11 is provided inside the base 1 to limit the initial rotation position of the locking block 10. When the anti-rotation nut 5 is subjected to tightening force and disengages from the elastic protrusion 11, its outer edge interferes with the wall of the slot 9 to achieve locking.

[0027] For ease of use, the handle locking nut 6 is threadedly connected to the second internal hex screw 7.

[0028] To facilitate anti-slip, the upper end of the hand-locking nut is provided with multiple anti-slip protrusions 12.

[0029] In use and installation, this utility model is first installed by aligning the multiple elastic clips 2 at the lower end of the base 1 with the pre-set mounting holes on the car door panel. The elastic deformation of the clips 2 completes the initial positioning. At this time, a gap is maintained between the wedge-shaped block 3 at the lower end of the base 1 and the surface of the car door panel. The first internal hex screw 4 is then passed through the central hole of the base 1, with its lower end connected to the anti-rotation nut 5 via an interference fit with the insert 8. Initially, the locking block 10 on the side of the anti-rotation nut 5 is limited by the elastic protrusion 11 in the slot 9 of the base 1. The first internal hex screw 4 is then tightened with a tool. The axial tension generated by the first internal hex screw 4 drives the anti-rotation nut 5 to move upward. As the tightening force increases, the locking block 10 of the anti-rotation nut 5 disengages from the elastic protrusion 11. At the same time, the complementary inclined surface of the inner wall of the anti-rotation nut 5 slides along the inclined surface of the wedge block 3 at the lower end of the base 1, forcing the anti-rotation nut 5 to produce radial displacement until its outer edge forms rigid interference with the wall of the slot 9 of the base 1, thus achieving self-locking. At this time, the base 1 is firmly fixed to the door panel through the wedge-shaped fit between the anti-rotation nut 5 and the wedge block 3, completing the rigid installation of the tolerance adjuster base 1.

[0030] Place the car door handle on the upper part of the base 1, aligning the handle mounting hole with the center of the base 1. Pass the second hexagon socket screw 7 through the door handle mounting hole and screw it into the internal thread of the handle locking nut 6 (the handle locking nut 6 is pre-installed in the upper part of the inner cavity of the base 1 and is threadedly engaged with the base 1). When the second hexagon socket screw 7 is turned clockwise, it causes the handle locking nut 6 to rotate. Due to the screw-screw engagement between the external thread of the handle locking nut 6 and the internal thread of the base 1, the rotational motion is converted into axial displacement—the handle locking nut 6 is positioned relative to the stationary base 1. Move upwards, pushing the door handle to rise synchronously, and continuously tighten the second internal hex screw 7. The multiple anti-slip protrusions 12 on the top of the handle locking nut 6 gradually press into the bottom material of the door handle mounting hole, while continuing to extend until the assembly gap between the door handle and the door panel is completely eliminated. When the door handle reaches a flat and stress-free state, continue to increase the torque to tighten the second internal hex screw 7. At this time, the anti-slip protrusions 12 are embedded in the handle hole wall to form a mechanical interlock. At the same time, the screw thread pair achieves self-locking under the action of preload, and finally completes the rigid fixation and gap adjustment of the door handle in a stress-free state.

[0031] Compared with the prior art, the beneficial effects of this utility model are as follows: the anti-rotation nut, base, and first internal hexagon screw can enable the elastic buckle to quickly pre-position with the door panel hole. Combined with the inclined self-locking mechanism after the anti-rotation nut disengages from the elastic protrusion, i.e., the wedge block and complementary inclined surface force radial locking, the base fixing process is simplified from the traditional multi-step operation to a single tightening of the first internal hexagon screw to complete the firm positioning, which greatly shortens the installation time and reduces the skill requirements of workers. At the same time, by rotating the second internal hexagon screw, the accumulated tolerance between the door panel and the handle is accurately compensated, ensuring that the components are in a natural state after assembly, avoiding the internal stress caused by traditional forced installation, and fundamentally improving the fatigue resistance and service life of the product. This structure is simple, novel in concept, easy to use, and highly practical.

[0032] It should be noted that, depending on the implementation needs, the various components described in the embodiments of this utility model can be split into more components, or two or more components or parts of components can be combined into new components to achieve the purpose of the embodiments of this utility model.

[0033] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A car door handle tolerance adjuster, comprising a base (1) for vertical axis, characterized in that, The base (1) has multiple elastic buckles (2) at its lower end and multiple wedge blocks (3) corresponding to the elastic buckles (2) at its lower end. A first internal hexagon screw (4) is detachably connected inside the base (1). An anti-rotation nut (5) located below the base (1) and capable of engaging with the wedge block (3) is detachably connected to the lower side of the first internal hexagon screw (4). A handle locking nut (6) located above the first internal hexagon screw (4) is threaded inside the base (1). A second internal hexagon screw (7) is detachably connected to the handle locking nut (6).

2. The automotive door handle tolerance adjuster according to claim 1, characterized in that, The first internal hex screw (4) and the anti-rotation nut (5) are interference-fitted by insert (8).

3. The automotive door handle tolerance adjuster according to claim 1, characterized in that, The mating surfaces of the anti-rotation nut (5) and the wedge block (3) are designed as complementary inclined surfaces, so that when the anti-rotation nut (5) is pulled upward by the first internal hexagon screw (4), it can generate radial displacement along the inclined surface of the wedge block (3) and eventually get stuck in the wedge block (3).

4. The automotive door handle tolerance adjuster according to claim 1, characterized in that, The base (1) has a slot (9) at its lower end and a locking block (10) on the anti-rotation nut (5). The base (1) has an elastic protrusion (11) that restricts the initial rotation position of the locking block (10). When the anti-rotation nut (5) is subjected to tightening force and disengages from the elastic protrusion (11), its outer edge interferes with the wall of the slot (9) to achieve locking.

5. The automotive door handle tolerance adjuster according to claim 1, characterized in that, The handle locking nut (6) is threadedly connected to the second internal hex screw (7).

6. The automotive door handle tolerance adjuster according to claim 1, characterized in that, The upper end of the handle locking nut (6) is provided with multiple anti-slip protrusions (12).

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