Hinge structure convenient to assemble
By introducing interference design of gear shaft, shrapnel assembly and torsion plate set into the hinge structure, the existing hinge structure is solved, with high processing difficulty and poor stability, and higher rotational fluency and manufacturing simplicity are achieved.
Patent Information
- Application Number
- CN202421686170.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-16
AI Technical Summary
The existing hinge automatic locking function has complex structure, difficult manufacturing and processing, poor stability, and affects the rotational fluency.
A hinge structure that is easy to assemble is designed to generate torque through interference between the gear shaft, the shrapnel assembly and the torque plate set, optimize the overall structure and improve the rotational fluency.
It achieves a compact structure and reasonable design, and generates torque through interference between the gear shaft and the torque plate set, improves rotational fluency, simplifies manufacturing and reduces production costs.
Smart Images

Figure CN222811069U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hinges, in particular to a hinge structure which is easy to assemble. Background Art
[0002] Hinge, also known as damping shaft, is a connecting element that can provide mutual rotation. It has been widely used in various digital products and electronic devices, such as laptops. The hinge is set on the screen and the host respectively through two rotating connected movable parts. The two movable parts mainly use a gear transmission structure to achieve the rotation connection between the two movable parts. The existing hinge automatic locking function is to form torque through the interference between the connection between the cam and the concave wheel plate. The structure is complex, the manufacturing and processing are difficult, and the structural stability is poor, which easily leads to the rotation of the hinge being restricted, affecting the smoothness of the rotation. Utility Model Content
[0003] The purpose of the utility model is to address the deficiencies of the prior art and provide a hinge structure that is easy to assemble, has a compact structure and a reasonable design, optimizes the overall structure, generates torque through interference between the gear shaft and the spring assembly and the torque plate group, and improves the smoothness of rotation.
[0004] To achieve the above-mentioned purpose, the utility model provides a hinge structure that is easy to assemble, including a frame, a spring plate assembly arranged on the frame, a torque plate group used in conjunction with the spring plate assembly, and a gear shaft rotatably arranged between the spring plate assembly and the torque plate group, the gear shaft including a first straight portion and a first arc portion arranged on both sides of the first straight portion, the torque plate group including a plurality of torque plate pieces stacked up and down, the torque plate pieces including two outer elastic arms, an adjustment gap arranged between the two outer elastic arms, a second straight portion arranged on the outer elastic arms, and second arc portions arranged on both sides of the second straight portion, the gear shaft passes through the spring plate assembly to connect the torque plate group, so that the first straight portion abuts against the second straight portion and the first arc portion abuts against the second arc portion.
[0005] Preferably, the spring clip assembly includes a first stop block, a second stop block spaced apart from the first stop block, a plurality of spring clips disposed between the first stop block and the second stop block, and an adjusting nut disposed on the first stop block, the second stop block being abutted against the frame, the adjusting nut being threadedly sleeved on the outside of the gear shaft, and the adjusting nut being used to adjust the compression amount of the plurality of spring clips to adjust the torque of the gear shaft.
[0006] Preferably, a first idler wheel and a second idler wheel meshingly connected to the first idler wheel are provided on one side of the frame body close to the torsion plate group, and the gear shaft is provided with a transmission wheel meshingly connected to the first idler wheel.
[0007] Preferably, two spring element assemblies and two gear shafts are respectively provided, and the two gear shafts pass through the two spring element assemblies respectively, so that the transmission wheels of the two gear shafts are respectively meshed and connected with the first idler wheel and the second idler wheel.
[0008] Preferably, a connecting frame is provided at one end of the gear shaft away from the first straight portion.
[0009] The beneficial effects of the utility model are as follows: the structure is compact and the design is reasonable, the overall structure is optimized, torque is generated through the interference between the gear shaft and the torque plate group, and the rotation smoothness is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of the utility model.
[0011] Figure 2 It is a schematic diagram of the exploded structure of the utility model.
[0012] Figure 3 It is a schematic diagram of the structure of the torsion piece of the utility model.
[0013] Figure 4 This is a schematic diagram of the gear shaft structure of the utility model.
[0014] Reference numerals include:
[0015] 1——Frame
[0016] 2——spring piece assembly 21——first stop block 22——second stop block
[0017] 23——spring 24——adjusting nut
[0018] 3——Torsion plate group 31——Torsion plate 311——External elastic arm
[0019] 312——adjusting gap 313——second straight portion 314——second arc portion
[0020] 4——Gear shaft 41——First straight portion 42——First arc portion
[0021] 43——Transmission wheel 44——Connecting frame
[0022] 5——First idler wheel 6——Second idler wheel. DETAILED DESCRIPTION
[0023] The utility model is described in detail below with reference to the accompanying drawings.
[0024] like Figures 1 to 4As shown, the utility model is a hinge structure that is easy to assemble, including a frame 1, a spring assembly 2 arranged on the frame 1, a torsion plate group 3 used in conjunction with the spring assembly 2, and a gear shaft 4 rotatably arranged between the spring assembly 2 and the torsion plate group 3, the gear shaft 4 including a first straight portion 41 and a first arc portion 42 arranged on both sides of the first straight portion 41, the torsion plate group 3 including a plurality of torsion plate members 31 stacked up and down, the torsion plate member 31 including two outer elastic arms 311, an adjustment gap 312 arranged between the two outer elastic arms 311, a second straight portion 313 arranged on the outer elastic arms 311, and second arc portions 314 arranged on both sides of the second straight portion 313, the gear shaft 4 passes through the spring assembly 2 to connect with the torsion plate group 3, so that the first straight portion 41 abuts against the second straight portion 313 and the first arc portion 42 abuts against the second arc portion 314.
[0025] When in use, the gear shaft 4 is rotatably arranged between the spring assembly 2 and the torque plate group 3, and the spring assembly 2 further increases the torque of the gear shaft 4 to meet the application requirements of the use scenario. Multiple torque pieces 31 stacked up and down are stably sleeved on the outside of the gear shaft 4, and are placed neatly and orderly. The adjustment gap 312 arranged between the two outer elastic arms 311 can automatically expand and contract according to the gear shaft 4 of different outer diameters to ensure that the first straight portion 41 is in contact with the second straight portion 313, and the first arc portion 42 is in contact with the second arc portion 314, so that the gear shaft 4 and the multiple torque pieces 31 are interfered to form a stable and effective torque, which not only increases the contact area, but also is simple and convenient to manufacture and process, saving production costs. The utility model has a compact structure and a reasonable design, optimizes the overall structure, generates torque through the interference between the gear shaft 4 and the spring assembly 2 and the torque plate group 3, and improves the smoothness of rotation.
[0026] The spring element assembly 2 of the present embodiment includes a first stop block 21, a second stop block 22 spaced apart from the first stop block 21, a plurality of spring elements 23 disposed between the first stop block 21 and the second stop block 22, and an adjusting nut 24 disposed on the first stop block 21. The second stop block 22 is abutted against the frame body 1, and the adjusting nut 24 is threadedly sleeved on the outer side of the gear shaft 4. The adjusting nut 24 is used to adjust the compression amount of the plurality of spring elements 23 to adjust the torque of the gear shaft 4. Specifically, multiple spring pieces 23 serve as the main source of torque. Multiple spring pieces 23 are located between the first stop block 21 and the second stop block 22. An adjusting nut 24 is provided on the outer side of the first stop block 21. The second stop block 22 is abutted against the frame 1 to increase the contact friction between the second stop block 22 and the frame 1, and is not easy to slip and shift. The adjusting nut 24 is threadedly sleeved on the outer side of the gear shaft 4. In actual use, the adjusting nut 24 can be rotated and screwed onto the gear shaft 4 by tools such as a wrench, so that the compression amount of multiple spring pieces 23 can be adjusted by using the adjusting nut 24 to adjust the torque of the gear shaft 4, so as to achieve the purpose of increasing or reducing the torque, and the adjustment is flexible and convenient.
[0027] The frame 1 of this embodiment is provided with a first idler wheel 5 and a second idler wheel 6 meshingly connected with the first idler wheel 5 on one side close to the torsion plate group 3, and the gear shaft 4 is provided with a transmission wheel 43 meshingly connected with the first idler wheel 5. Specifically, as a preference, two gear shafts 4 are provided, and the two gear shafts 4 are respectively located on the outside of the first idler wheel 5 and the outside of the second idler wheel 6, the transmission wheel 43 of one gear shaft 4 meshes with the first idler wheel 5, the first idler wheel 5 meshes with the second idler wheel 6, and the second idler wheel 6 meshes with the transmission wheel 43 of the other gear shaft 4, thereby realizing the transmission connection between the two gear shafts 4, the first idler wheel 5, and the second idler wheel 6, so as to meet the requirement of rotating one gear shaft 4, and driving the rotation of the other gear shaft 4 through the meshing transmission between the first idler wheel 5 and the second idler wheel 6, and the linkage matching degree is high.
[0028] In this embodiment, two spring assembly assemblies 2 and two gear shafts 4 are respectively provided, and the two gear shafts 4 pass through the two spring assembly assemblies 2, so that the transmission wheels 43 of the two gear shafts 4 are respectively meshed and connected with the first idler wheel 5 and the second idler wheel 6. Specifically, the two gear shafts 4 pass through the two spring assembly assemblies 2, so that the transmission wheels 43 of the two gear shafts 4 are respectively meshed and connected with the first idler wheel 5 and the second idler wheel 6, forming a stable transmission structure.
[0029] The gear shaft 4 of this embodiment is provided with a connecting frame 44 at one end away from the first straight portion 41. Specifically, one gear shaft 4 is connected to an external screen through the connecting frame 44, and the other gear shaft 4 is connected to an external host through the connecting frame 44, and the connection is stable and reliable, which is convenient for practical use.
[0030] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.
Claims
1. A hinge structure that is easy to assemble, characterized in that: It includes a frame, a spring sheet assembly arranged on the frame, a torque sheet group used in conjunction with the spring sheet assembly, and a gear shaft rotatably arranged between the spring sheet assembly and the torque sheet group, the gear shaft includes a first straight portion and a first arc portion arranged on both sides of the first straight portion, the torque sheet group includes a plurality of torque sheet pieces stacked up and down, the torque sheet pieces include two outer elastic arms, an adjustment gap arranged between the two outer elastic arms, a second straight portion arranged on the outer elastic arms, and second arc portions arranged on both sides of the second straight portion, the gear shaft passes through the spring sheet assembly to connect the torque sheet group, so that the first straight portion abuts against the second straight portion and the first arc portion abuts against the second arc portion.
2. The hinge structure that is easy to assemble according to claim 1, characterized in that: The spring clip assembly includes a first stop block, a second stop block spaced apart from the first stop block, a plurality of spring clips disposed between the first stop block and the second stop block, and an adjusting nut disposed on the first stop block, the second stop block being abutted against the frame, the adjusting nut being threadedly sleeved on the outer side of the gear shaft, and the adjusting nut being used to adjust the compression amount of the plurality of spring clips to adjust the torque of the gear shaft.
3. The hinge structure that is easy to assemble according to claim 1, characterized in that: A first idler wheel and a second idler wheel meshingly connected to the first idler wheel are arranged on one side of the frame body close to the torsion plate group, and a transmission wheel meshingly connected to the first idler wheel is arranged on the gear shaft.
4. The hinge structure that is easy to assemble according to claim 3, characterized in that: The spring assembly and the gear shaft are respectively provided with two spring assemblies, and the two gear shafts pass through the two spring assemblies respectively, so that the transmission wheels of the two gear shafts are respectively meshed and connected with the first idler wheel and the second idler wheel.
5. The hinge structure that is easy to assemble according to claim 1, characterized in that: A connecting frame is arranged at one end of the gear shaft away from the first straight portion.