A door hinge with limiting function
By designing the limiting mechanism and a stabilizing mechanism in the door hinge, the fatigue fracture and unstable use of the door hinge are solved due to long-term use, and safety and comfort are improved.
Patent Information
- Application Number
- CN202421479318.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-25
AI Technical Summary
During long-term use of existing door hinges, the pins and fixed pages may cause pressure fatigue, which may cause the mechanism to sink or break, causing safety hazards, and the large opening and closing angle and long stroke of the chain will affect safety and comfort.
A door hinge with limiting function is designed, using a limiting mechanism and a stabilizing mechanism. The limiting mechanism realizes the limiting use of the rotation shaft through the cooperation of the rotation shaft and increases its limitability. The stabilization mechanism increases the stability and support of the door hinges through the design of folding plates and buffer plates.
Through the design of the limiting mechanism, the limitability of the door hinge is improved, and the risk of breakage caused by fatigue is reduced; through the design of the stable mechanism, the stability and support of the door hinge are improved, and abnormal noise and discomfort are reduced.
Smart Images
Figure CN222716690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle door hinges, in particular to a vehicle door hinge with a limiting function. Background Art
[0002] Door hinges are an important part of automobile design. Their main function is to connect the door to the car body so that the door can be opened and closed smoothly while maintaining the stability and reliability of the door. Door hinges not only need to have sufficient strength and load-bearing capacity, but also need to meet specific layout requirements and size specifications to ensure the normal operation of the door.
[0003] During the installation and use of existing door hinges by staff, the door will cause pressure fatigue on the pin shaft and the fixed leaf during long-term use, causing the mechanism to sink or even break, creating potential dangerous accidents. The large opening and closing angle of the chain affects safety, and the long stroke causes abnormal noise when opening and closing the door, causing discomfort to the user. Utility Model Content
[0004] The utility model discloses a door hinge with a limit function, aiming to solve the technical problems that, during the installation and use of the existing door hinge by workers, the door forms pressure fatigue on the pin shaft and the fixed leaf during long-term use, causing the mechanism to sink or even break, resulting in hidden dangers of accidents, the opening and closing angle of the chain is large, affecting safety, and the long stroke makes abnormal noise when opening and closing the door, causing discomfort to the user.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A door hinge with a limiting function comprises a fixed block, a mounting plate is installed on one side of the fixed block, a spring plate is rotatably connected to the other side of the fixed block, a connecting plate is installed on the outer side of the spring plate, a fixing cylinder is installed on the upper and lower ends of the fixed block, a mounting rod is rotatably connected to the interior of the fixed cylinder, and also comprises a limiting mechanism: the limiting mechanism comprises a rotating shaft arranged inside the fixed cylinder, a spring block is installed on the outer surface of the rotating shaft, the inner side wall of the fixed cylinder is evenly fixedly connected to the limiting block, and the inner ring of the spring block is installed with a guide assembly for guiding the spring block to flip; a stabilizing mechanism: the stabilizing mechanism is arranged on both sides of the fixed block, and the stabilizing mechanism is used to increase the stability of the door hinge in use.
[0007] By setting a limiting mechanism, the rotating shaft fixedly connected to the bottom end is driven to rotate inside the fixed cylinder during the rotation of the installation rod, so that the rotation of the rotating shaft drives multiple groups of spring blocks installed on the outside to rotate, so that the spring blocks and the limiting blocks fixedly connected to the inside of the fixed cylinder are squeezed, thereby limiting the use of the rotating shaft, which can increase the limiting performance of the rotating shaft.
[0008] In a preferred solution, the stabilizing mechanism includes folding plates arranged on both sides of the fixing block, and buffer plates are rotatably connected to both sides of the spring plate.
[0009] By setting up a stabilizing mechanism, when the vehicle door on one side fixedly connected to the mounting plate is flipped, the spring plate fixedly connected to one end of the mounting plate can be flipped, so that the flipping of the spring plate drives the buffer plates that are rotatably connected on both sides to rotate, and at the same time, the two groups of folding plates that are rotatably connected on both sides of the fixed block are flipped, which can increase the overall stability and supporting force of the vehicle door hinge.
[0010] In a preferred solution, a bearing is installed at the connection between the folding plate and the buffer plate.
[0011] By arranging the bearing, the folding plate and the buffer plate can cooperate with each other to be folded and turned over.
[0012] In a preferred solution, the guide assembly includes a guide block arranged on the inner ring of the rotating shaft, and one end of the guide block is rotatably connected to the spring block.
[0013] By arranging the guide assembly, the guide block and the spring clamp block can be contacted, extruded and turned over.
[0014] The utility model discloses a vehicle door hinge with a limiting function, which has the following beneficial effects.
[0015] First, by setting a limit mechanism, the rotating shaft fixedly connected to the bottom end is driven to rotate inside the fixed cylinder during the rotation of the mounting rod, so that the rotation of the rotating shaft drives the multiple sets of spring blocks installed on the outside to rotate, so that the spring blocks and the limit blocks fixedly connected to the inside of the fixed cylinder are squeezed, thereby limiting the rotation shaft, and the door hinge can be used for limiting the position;
[0016] Secondly, by setting up a stabilizing mechanism, when the door on one side fixedly connected to the mounting plate is flipped, the spring plate fixedly connected to one end of the mounting plate can be flipped, so that the flipping of the spring plate drives the buffer plate rotatably connected on both sides to rotate, and at the same time, the two groups of folding plates rotatably connected on both sides of the fixed block are flipped, which can increase the overall stability and supporting force of the door hinge. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is an axonometric diagram of a vehicle door hinge with a limiting function proposed by the utility model.
[0018] Figure 2 This is another axonometric view of a door hinge with a limiting function proposed by the utility model.
[0019] Figure 3 This is another axonometric view of a door hinge with a limiting function proposed by the utility model.
[0020] Figure 4 This is another axonometric view of a door hinge with a limiting function proposed by the utility model.
[0021] Figure 5 A door hinge with a limiting function proposed by the utility model Figure 4 Enlarged view of point A in the middle.
[0022] In the attached drawings: 1. fixing block; 2. mounting plate; 3. connecting plate; 4. fixing cylinder; 5. mounting rod; 6. spring plate; 7. folding plate; 8. buffer plate; 9. limiting block; 10. spring clamp block; 11. guide block; 12. rotating shaft. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0025] The utility model discloses a door hinge with a limiting function which is mainly applied to existing door hinges. During the process of installation and use by workers, the door will form pressure fatigue on the pin shaft and the fixed leaf during long-term use, causing the mechanism to sink or even break, resulting in potential dangerous accidents. The large opening and closing angle of the chain affects safety, and the long stroke causes abnormal noise when opening and closing the door, causing discomfort to the user.
[0026] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A door hinge with a limiting function comprises a fixed block 1, a mounting plate 2 is installed on one side of the fixed block 1, a spring plate 6 is rotatably connected to the other side of the fixed block 1, a connecting plate 3 is installed on the outer side of the spring plate 6, a fixed cylinder 4 is installed on the upper and lower ends of the fixed block 1, and a mounting rod 5 is rotatably connected to the inside of the fixed cylinder 4, and also comprises a limiting mechanism: the limiting mechanism comprises a rotating shaft 12 arranged inside the fixed cylinder 4, a spring block 10 is installed on the outer surface of the rotating shaft 12, the inner side wall of the fixed cylinder 4 is evenly fixedly connected to the limiting block 9, and the inner ring of the spring block 10 is installed with a guide assembly for guiding the spring block 10 to flip; a stabilizing mechanism: the stabilizing mechanism is arranged on both sides of the fixed block 1, and the stabilizing mechanism is used to increase the stability of the door hinge.
[0027] In this solution, when the staff is using the door hinge, the mounting rod 5 rotates and the rotating shaft 12 fixed at the bottom end is driven to rotate inside the fixed cylinder 4, so that the rotating shaft 12 rotates and drives the multiple groups of spring blocks 10 installed on the outside to rotate. A guide assembly is installed through the inner ring of the rotating shaft 12, and one end of the guide assembly is rotatably connected to the spring block 10, which can make the spring block 10 flip and squeeze the limit block 9 fixedly connected to the inside of the fixed cylinder 4, so as to limit the use of the rotating shaft 12, which can increase the limiting property of the rotating shaft 12. At the same time, by setting a stabilizing mechanism, the overall stability and supporting force of the door hinge can be increased.
[0028] Among them, refer to Figure 1 and Figure 4 In a preferred embodiment, the stabilizing mechanism includes folding plates 7 arranged on both sides of the fixing block 1, and buffer plates 8 are rotatably connected to both sides of the spring plate 6.
[0029] In the present solution, by setting up a stabilizing mechanism, when the vehicle door on one side fixedly connected to the mounting plate 2 is flipped, the spring plate 6 fixedly connected to one end of the mounting plate 2 can be flipped, so that the flipping of the spring plate 6 drives the buffer plate 8 rotatably connected on both sides to rotate, and at the same time, the two groups of folding plates 7 rotatably connected on both sides of the fixed block 1 are flipped, which can increase the overall stability and supporting force of the vehicle door hinge.
[0030] Further, see Figure 1 and Figure 4 In a preferred embodiment, a bearing is installed at the connection between the folding plate 7 and the buffer plate 8. By setting the bearing, the folding plate 7 and the buffer plate 8 can cooperate with each other to be folded and flipped.
[0031] Among them, refer to Figure 1 and Figure 4In a preferred embodiment, the guide assembly includes a guide block 11 arranged on the inner ring of the rotating shaft 12, and one end of the guide block 11 is rotatably connected to the spring block 10. By setting the guide assembly, the guide block 11 and the spring block 10 can be contacted, extruded and flipped.
[0032] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.
Claims
1. A door hinge with a limit function, comprising a fixed block (1), a mounting plate (2) being mounted on one side of the fixed block (1), a spring plate (6) being rotatably connected to the other side of the fixed block (1), a connecting plate (3) being mounted on the outer side of the spring plate (6), a fixing tube (4) being mounted on both upper and lower ends of the fixed block (1), a mounting rod (5) being rotatably connected to the interior of the fixing tube (4), characterized in that: Also includes: The limiting mechanism comprises a rotating shaft (12) arranged inside the fixed cylinder (4), a spring block (10) is installed on the outer surface of the rotating shaft (12), the inner side wall of the fixed cylinder (4) is evenly fixedly connected to the limiting block (9), and the inner ring of the spring block (10) is installed with a guide component for guiding the spring block (10) to flip; Stabilizing mechanism: The stabilizing mechanism is arranged on both sides of the fixing block (1), and is used to increase the stability of the vehicle door hinge.
2. A door hinge with a limiting function according to claim 1, characterized in that: The stabilizing mechanism comprises folding plates (7) arranged on both sides of the fixing block (1), and buffer plates (8) are rotatably connected to both sides of the spring plate (6).
3. A door hinge with a limiting function according to claim 2, characterized in that: A bearing is installed at the connection between the folding plate (7) and the buffer plate (8).
4. A door hinge with a limiting function according to claim 2, characterized in that: The other end of the folding plate (7) is rotatably connected to the two sides of the spring plate (6), and the other end of the buffer plate (8) is rotatably connected to the two sides of the fixed block (1).
5. The door hinge with a limiting function according to claim 1, characterized in that: The guide assembly comprises a guide block (11) arranged on the inner ring of the rotating shaft (12); one end of the guide block (11) is rotatably connected to the spring clamping block (10).
6. The door hinge with a limiting function according to claim 1, characterized in that: The inner wall of the fixed cylinder (4) is evenly provided with limit blocks (9) at the center of the fixed cylinder (4).
7. The door hinge with a limiting function according to claim 1, characterized in that: The limiting block (9) and the spring clamping block (10) are arranged on the same horizontal plane.