Door panel hinge screw hole structure

By using a conical plate embedded in the mounting post and a drive mechanism in the hinge screw holes of the door panel, the bolt holding force is enhanced, solving the loosening problem caused by screw hole wear and deformation, and improving the service life and user experience of the door panel.

CN224326164UActive Publication Date: 2026-06-05HEFEI ZHIBANG HOME FURNISHING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEFEI ZHIBANG HOME FURNISHING CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing door panel hinge screw hole structure is prone to wear, tearing or deformation when subjected to repeated opening and closing of the door, which can cause the screws to loosen, affecting the service life and user experience.

Method used

The system employs an embedded conical plate and a drive mechanism within the mounting column. The conical plate is driven into the interior of the door panel for fixation, and rubber blocks and irregularly shaped blocks are used to enhance bolt grip and prevent loosening.

Benefits of technology

It effectively prevents screw hole wear and deformation, avoids screw loosening, improves service life and user experience, and prevents door panels from falling off.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224326164U_ABST
    Figure CN224326164U_ABST
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Abstract

The utility model relates to door panel screw hole technical field, and disclose a door panel hinge screw hole structure, including door panel body, the one end bolt joint of door panel body has hinge body, and the surface of door panel body is provided with the mounting hole for installing hinge body, and the inside embedding of mounting hole has the mounting post, and the inside of mounting post is provided with the thread for fixed, and the surface rotationally connected of mounting post has the several taper plate of in -depth door panel body inside, and the inside of mounting post is provided with the drive mechanism of drive several taper plate removal, and the equipment even if door panel body bears tension, torque and vibration impact in frequent opening and closing, and the bolt is also difficult to take out the mounting post, effectively avoided the screw loose problem that the material around the screw hole wore, tore, deformed led to, thereby solved the problem that the door panel body sway abnormal sound, screw hole accelerated damage, door panel drop and other influence service life's difficult problem, guaranteed good use experience.
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Description

Technical Field

[0001] This utility model relates to the field of door panel screw hole technology, specifically a door panel hinge screw hole structure. Background Technology

[0002] The door panel hinge is mainly used to achieve a movable connection function. Through the rotation or opening and closing characteristics of the hinge, the door panel can rotate freely around a fixed axis, thereby meeting the needs of opening and closing the door. The door panel hinge screw holes are the connection holes used to fix the hinge to the door panel.

[0003] The screw hole structure of door panel hinges is usually a recessed countersunk hole or a through hole design. The countersunk hole can make the screw head flush with the door panel surface to ensure aesthetics, while the through hole makes it easy for the screw to be inserted and fixed from the back. The holes are mostly symmetrically distributed and precisely spaced to match the screw holes of the hinge mounting plate.

[0004] However, the screw holes of existing door panel hinges still have the following shortcomings. Since door panels are generally made of wood, plastic or composite materials, their strength and hardness are limited. After these materials are subjected to the tension, torque and vibration impact generated when opening and closing the door repeatedly, the material around the screw holes is prone to wear, tearing or deformation, which reduces the engagement between the screw and the hole wall, and thus causes the screw to loosen. Once the screw loosens, it will not only cause the door panel to shake and make abnormal noise when opening and closing, affecting the user experience, but also accelerate the damage to the screw holes, and even cause the door panel to fall off, greatly shortening the service life of the door panel and hinge.

[0005] Therefore, we propose a door panel hinge screw hole structure to solve the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a door panel hinge screw hole structure to solve the problem mentioned in the background art of screw hole damage caused by long-term use, which may even cause the door panel to fall off and greatly shorten the service life of the door panel and hinge.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0008] A door panel hinge screw hole structure includes a door panel body, a hinge body bolted to one end of the door panel body, an installation hole for installing the hinge body on the surface of the door panel body, an installation post embedded inside the installation hole, a thread for fixing inside the installation post, a plurality of conical plates rotatably connected to the surface of the installation post and extending into the interior of the door panel body, and a drive mechanism for driving the plurality of conical plates to move inside the installation post.

[0009] The mounting hole is fitted with a rubber block to enhance the grip of the bolt, and the rubber block is located at one end of the mounting post.

[0010] One end of the mounting post is fixedly connected to a shaped block that facilitates embedding into the mounting hole.

[0011] The driving mechanism includes a switch rod rotatably connected inside the mounting column. One end of the switch rod is rotatably connected to a connecting rod, and one end of the connecting rod is rotatably connected to a driving rod. One end of a cone plate is rotatably connected to the surface of the driving rod. The switch rod, connecting rod, and driving rod are all slidably connected inside the mounting column.

[0012] The mounting column has a sliding plate inside that drives the switch rod to rotate, with one end of the sliding plate contacting one end of the switch rod.

[0013] One end of the switch rod is fixedly connected to a spring, and one end of the spring is fixedly connected inside the mounting post.

[0014] The surface of the mounting post is fixedly connected with several triangular plates to facilitate the insertion of the mounting post into the mounting hole.

[0015] The rubber block has a sealing ring fixedly connected inside for easy sealing.

[0016] One end of the drive rod is fixedly connected to a locking sensor rod, which is slidably connected inside the mounting column.

[0017] An elastic steel ring is fixedly connected inside the rubber block to stabilize it.

[0018] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0019] By placing the mounting post into the mounting hole and simultaneously inserting the irregularly shaped block, then placing the adhesive block into the opening of the mounting hole, and aligning the fixing hole of the hinge body with the mounting hole of the door panel body, the hinge body is fixed to the door panel body by connecting the threads in the mounting hole with bolts. When the bolt contacts the drive mechanism in the mounting hole, the drive mechanism drives several cone plates to move, causing the cone plates to penetrate into the interior of the door panel body, allowing the mounting post to hook into the interior of the door panel body, thus completing the fixation of the mounting post. Even if the door panel body is subjected to tension, torque, and vibration impact during frequent opening and closing, this design makes it difficult for the bolts to pull out the mounting post, effectively avoiding the problem of screw loosening caused by wear, tearing, and deformation of the material around the screw holes. This solves the problems of door panel shaking and abnormal noise, accelerated damage to screw holes, and door panel falling off, which affect the service life, and ensures a good user experience.

[0020] When the bolt contacts the moving plate, the moving plate causes one end of the switch rod to flip, simultaneously compressing the first spring. The other end of the switch rod then moves the connecting rod, causing the other end of the connecting rod to slide the drive rod inside the mounting column. This causes the drive rod to flip the cone plate, which then embeds itself inside the door panel. During disassembly, the bolt is loosened, the first spring resets the switch rod, and the switch rod also resets the cone plate. The mounting column can then be disassembled for easy recycling.

[0021] When the bolt reaches the top, the drive rod moves the sensing rod to contact the rubber block, preventing the bolt from rotating and stopping the tightening process to prevent over-tightening and damage to the threads. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of the mounting hole of this utility model;

[0024] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0025] Figure 4 This is a schematic diagram of a partial structure inside the mounting column of this utility model.

[0026] The components include: 1. Door panel body; 2. Hinge body; 3. Mounting hole; 4. Mounting post; 5. Thread; 6. Conical plate; 7. Adhesive block; 8. Irregular block; 9. Switch rod; 10. Connecting rod; 11. Drive rod; 12. Moving plate; 13. Spring 1; 14. Triangular plate; 15. Sealing ring; 16. Sensing rod; 17. Elastic steel ring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-4 This utility model provides a technical solution:

[0029] like Figures 1-4As shown, a door panel hinge screw hole structure includes a door panel body 1, a hinge body 2 bolted to one end of the door panel body 1, a mounting hole 3 for mounting the hinge body 2 on the surface of the door panel body 1, a mounting post 4 embedded inside the mounting hole 3, a thread 5 for fixing inside the mounting post 4, a plurality of conical plates 6 rotatably connected to the surface of the mounting post 4 and extending into the interior of the door panel body 1, a driving mechanism for moving the plurality of conical plates 6 is provided inside the mounting post 4, a rubber block 7 for strengthening the bolt gripping force is embedded inside the mounting hole 3, the rubber block 7 is located at one end of the mounting post 4, and a special-shaped block 8 for easy embedding into the mounting hole 3 is fixedly connected to one end of the mounting post 4.

[0030] like Figures 1-4 As shown, by placing the mounting post 4 into the mounting hole 3, simultaneously inserting the irregular block 8, and then placing the adhesive block 7 into the opening of the mounting hole 3, the fixing hole of the hinge body 2 is aligned with the mounting hole 3 of the door panel body 1. The hinge body 2 is fixed to the door panel body 1 by connecting the thread 5 in the mounting hole 3 with bolts. When the bolt contacts the drive mechanism in the mounting hole 3, the drive mechanism drives several cone plates 6 to move, causing several cone plates 6 to penetrate into the door panel body 1, so that the mounting post 4 can hook into the inside of the door panel body 1, thus completing the fixation of the mounting post 4, improving the strength of the mounting post 4, and ensuring that the bolt will not pull the mounting post 4 out when the door panel body 1 is opened and closed multiple times.

[0031] Among them, the thread 5 inside the mounting column 4 is made of high-strength material.

[0032] Furthermore, such as Figure 2 , Figure 3 and Figure 4 As shown, the driving mechanism includes a switch rod 9 rotatably connected inside the mounting column 4. One end of the switch rod 9 is rotatably connected to a connecting rod 10, and one end of the connecting rod 10 is rotatably connected to a driving rod 11. One end of the driving rod 11 is rotatably connected to a cone plate 6. The switch rod 9, the connecting rod 10, and the driving rod 11 are all slidably connected inside the mounting column 4. A moving plate 12 that drives the switch rod 9 to rotate is slidably connected inside the mounting column 4. One end of the moving plate 12 contacts one end of the switch rod 9. One end of the switch rod 9 is fixedly connected to a spring 13. One end of the spring 13 is fixedly connected inside the mounting column 4. One end of the driving rod 11 is fixedly connected to a locking sensor rod 16. The sensor rod 16 is slidably connected inside the mounting column 4.

[0033] When the bolt contacts the moving plate 12, the moving plate 12 causes one end of the switch rod 9 to flip, while simultaneously compressing the spring 13. The other end of the switch rod 9 then moves the connecting rod 10, causing the other end of the connecting rod 10 to drive the drive rod 11 to slide inside the mounting post 4. This causes the drive rod 11 to flip the cone plate 6, which then embeds itself inside the door panel body 1. During disassembly, the bolt is loosened, the spring 13 resets the switch rod 9, and the switch rod 9 also resets the cone plate 6. The mounting post 4 can then be disassembled, which is convenient and quick. When the bolt reaches the top, the drive rod 11 causes the sensing rod 16 to contact the rubber block 7, preventing the bolt from rotating. This stops the tightening process and prevents over-tightening, which could damage the threads 5.

[0034] Furthermore, such as Figure 2 and Figure 3 As shown, the surface of the mounting post 4 is fixedly connected with several triangular plates 14 to facilitate the insertion of the mounting post 4 into the mounting hole 3, the inside of the rubber block 7 is fixedly connected with a sealing ring 15 for easy sealing, and the inside of the rubber block 7 is fixedly connected with an elastic steel ring 17 to stabilize the rubber block 7.

[0035] Several triangular plates 14 facilitate the insertion of the mounting post 4 into the mounting hole 3, while also increasing the strength of the mounting post 4. The sealing ring 15 inside the rubber block 7 contacts the bolt, preventing moisture from entering the thread 5 and causing the thread 5 and bolt to rust. The elastic steel ring 17 inside the rubber block 7 strengthens the rubber block 7 and prevents it from being cracked by the bolt.

[0036] The working principle of the hinge screw hole structure in this door panel is as follows:

[0037] By placing the mounting post 4 into the mounting hole 3, simultaneously inserting the irregular block 8, and then placing the adhesive block 7 into the opening of the mounting hole 3, and then aligning the fixing hole of the hinge body 2 with the mounting hole 3 of the door panel body 1, the hinge body 2 and the door panel body 1 are fixed by connecting the thread 5 in the mounting hole 3 with bolts. When the bolt contacts the drive mechanism in the mounting hole 3, the drive mechanism drives several cone plates 6 to move, causing the cone plates 6 to penetrate into the interior of the door panel body 1, so that the mounting post 4 can hook into the interior of the door panel body 1, thus completing the fixation of the mounting post 4. Even if the door panel body 1 is subjected to tension, torque and vibration impact during frequent opening and closing, the bolt is unlikely to pull the mounting post 4 out, effectively avoiding the problem of screw loosening caused by wear, tearing and deformation of the material around the screw hole. This solves the problems of door panel body 1 shaking and abnormal noise, accelerated damage to screw holes, and door panel falling off, which affect the service life, and ensures a good user experience.

[0038] When the bolt contacts the movable plate 12, the movable plate 12 causes one end of the switch rod 9 to flip, while simultaneously compressing the spring 13. The other end of the switch rod 9 then moves the connecting rod 10, causing the other end of the connecting rod 10 to drive the drive rod 11 to slide inside the mounting post 4. This causes the drive rod 11 to flip the cone plate 6, which then embeds itself inside the door plate body 1. During disassembly, the bolt is loosened, the spring 13 resets the switch rod 9, and the switch rod 9 also resets the cone plate 6. The mounting post 4 can then be disassembled for easy recycling.

[0039] When the bolt reaches the top, the drive rod 11 drives the sensing rod 16 to contact the rubber block 7, preventing the bolt from rotating. This stops the tightening process and prevents over-tightening, which could damage the thread 5.

[0040] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these specific embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A door panel hinge screw hole structure, comprising a door panel body (1), characterized in that, The door panel body (1) is bolted to one end with a hinge body (2). The door panel body (1) has a mounting hole (3) for mounting the hinge body (2). The mounting hole (3) is embedded with a mounting post (4). The mounting post (4) has a thread (5) for fixing. The mounting post (4) is rotatably connected to several cone plates (6) that penetrate into the door panel body (1). The mounting post (4) has a drive mechanism for driving the cone plates (6) to move inside.

2. The door panel hinge screw hole structure according to claim 1, characterized in that: The mounting hole (3) is internally fitted with a rubber block (7) to enhance the grip of the bolt, and the rubber block (7) is located at one end of the mounting post (4).

3. The door panel hinge screw hole structure according to claim 1, characterized in that: One end of the mounting post (4) is fixedly connected to a shaped block (8) that is easy to be embedded in the mounting hole (3).

4. The door panel hinge screw hole structure according to claim 1, characterized in that: The driving mechanism includes a switch rod (9) rotatably connected inside the mounting column (4), a connecting rod (10) rotatably connected to one end of the switch rod (9), a driving rod (11) rotatably connected to one end of the connecting rod (10), and a cone plate (6) rotatably connected to the surface of the driving rod (11). The switch rod (9), the connecting rod (10) and the driving rod (11) are all slidably connected inside the mounting column (4).

5. The door panel hinge screw hole structure according to claim 4, characterized in that: The mounting column (4) is internally connected to a movable plate (12) that drives the switch rod (9) to rotate. One end of the movable plate (12) contacts one end of the switch rod (9).

6. The door panel hinge screw hole structure according to claim 5, characterized in that: One end of the switch rod (9) is fixedly connected to a spring (13), and the other end of the spring (13) is fixedly connected inside the mounting post (4).

7. The door panel hinge screw hole structure according to claim 1, characterized in that: The mounting post (4) has several triangular plates (14) fixedly connected to its surface to facilitate the insertion of the mounting post (4) into the mounting hole (3).

8. The door panel hinge screw hole structure according to claim 2, characterized in that: The rubber block (7) has a sealing ring (15) fixedly connected inside for easy sealing.

9. The door panel hinge screw hole structure according to claim 6, characterized in that: One end of the drive rod (11) is fixedly connected to a sensing rod (16) that indicates locking, and the sensing rod (16) is slidably connected inside the mounting column (4).

10. A door panel hinge screw hole structure according to claim 8, characterized in that: The rubber block (7) is internally fixedly connected with an elastic steel ring (17) for stabilizing the rubber block (7).