Gearless folding screen hinge
Through the design of the support plate module and the damping module, and the extrusion reset mechanism of the guide structure and the damping module, the existing folding screen hinge problems are solved, and the simplified structure and low-cost effect are achieved without gear linkage.
Patent Information
- Application Number
- CN202422283149.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The existing folding screen hinges are complex in structure and high in manufacturing costs due to gear linkage.
The design of the support plate module and the damping module is adopted, and the gearless linkage is achieved through the guide structure, combining the extrusion reset mechanism of the damping module and the spring, simplifying the structure and reducing costs.
The folding screen hinge structure without gear linkage is realized, reducing manufacturing costs, while ensuring the stability and service life of the hinge.
Smart Images

Figure CN223177967U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of folding screen hinges, and particularly to a gearless folding screen hinge. Background Art
[0002] The hinge is the key to supporting a folding screen mobile phone, and its design requirements are very high. First of all, the hinge should have sufficient strength and stiffness to withstand the folding and stretching of the mobile phone; secondly, the hinge also requires high-precision processing and installation requirements to ensure the stability and smoothness of the hinge; finally, the hinge also needs to be able to withstand the fatigue damage caused by long-term use to ensure that the mobile phone can be used for a long time.
[0003] The folding screen hinges of the prior art generally include a plurality of support plates arranged in parallel, and the support plates are used to connect the two main parts of the folding screen. The support plates are linked through gears. At present, due to the use of gear linkage in the folding screen hinge, its structure is complex and the manufacturing cost is high. Summary of the Utility Model
[0004] The purpose of the present utility model is to provide a technology of a folding screen hinge that can effectively reduce the cost of the hinge, avoiding the deficiencies in the prior art.
[0005] The purpose of the present utility model is achieved through the following technical solutions:
[0006] A gearless folding screen hinge includes: a support plate module and a damping module; the support plate module includes a base plate, secondary support plates respectively arranged on both sides of the base plate, and outer support plates respectively arranged on both outer sides of the support plate module; one side of the secondary support plate is cooperatively connected with the base plate, and the other side is cooperatively connected with the outer support plate and is linked through corresponding guiding structures; the damping module is installed on the base plate; the damping module includes a number of damping modules; corresponding wing plates are respectively arranged on both sides of the damping module, one end of the wing plate is hinged to the damping module, and the other end is slidably connected to the outer support plate.
[0007] Specifically, the outer support plate includes a number of first arc-shaped grooves; the secondary support plate includes a number of first arc-shaped guiding strips and second arc-shaped guiding strips; the base plate includes a number of second arc-shaped grooves; the first arc-shaped grooves are cooperatively connected with the first arc-shaped guiding strips, and the second arc-shaped guiding strips are cooperatively connected with the second arc-shaped grooves to form a guiding structure.
[0008] Furthermore, the outer support plate includes a number of support platforms, and corresponding first sliding grooves are respectively arranged between adjacent support platforms; the damping module further includes a damping seat; one side of the wing plate is provided with a slider, and the other side is provided with a connecting portion; the slider is slidably connected to the first sliding groove; the connecting portion is hinged to the damping module and abuts against the damping seat.
[0009] Further, the damping module further includes a spring; one side of the damping seat abuts against the spring, and the other side is provided with a damping protrusion; the side shape of the connecting portion is matched with the damping protrusion.
[0010] Furthermore, the damping module further includes two connecting shafts arranged in parallel; mounting plates are provided at both ends of the connecting shafts; the connecting portion is hinged to the connecting shafts; the spring is sleeved on the connecting shafts, one end abuts against the damping seat, and the other end abuts against the mounting plate on one side.
[0011] In another specific example, the damping module further includes a plurality of fixing blocks, and corresponding damping modules are respectively provided between adjacent fixing blocks.
[0012] In another specific example, it further includes a cover plate module; the cover plate module includes a plurality of cover plates hinged together, the cover plate module is arranged above the damping module, and is slidably connected to the outer support plate.
[0013] Further, the cover plate includes a connecting cover plate, and two outer cover plates respectively hinged to both sides of the connecting cover plate.
[0014] Furthermore, the outer support plate is further provided with a plurality of second chutes; the outer cover plate is further provided with a plurality of slide rails corresponding to the second chutes for sliding connection with the second chutes.
[0015] Furthermore, baffles are respectively provided at both ends of the connecting cover plate.
[0016] The beneficial effects achieved by the present utility model: A gearless folding screen hinge includes: a support plate module and a damping module; the support plate module includes a seat plate, secondary support plates respectively arranged on both sides of the seat plate, and outer support plates respectively arranged on both outer sides of the support plate module; one side of the secondary support plate is hinged to the seat plate, the other side is hinged to the outer support plate, and is linked through corresponding guiding structures; the damping module is installed on the seat plate; the damping module includes a plurality of damping modules; corresponding wing plates are respectively provided on both sides of the damping module, one end of the wing plate is hinged to the damping module, and the other end is slidably connected to the outer support plate; this hinge has a simple structure, can achieve gearless linkage, and has a low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is a three-dimensional structural schematic diagram of a gearless folding screen hinge according to an embodiment of the present application;
[0019] Figure 2It is a schematic three - dimensional structure diagram of a gearless folding screen hinge (separating the cover plate module) according to an embodiment of the present application;
[0020] Figure 3 It is an exploded structure diagram of a support plate module of a gearless folding screen hinge according to an embodiment of the present application;
[0021] Figure 4 It is a schematic three - dimensional structure diagram of a damping module group of a gearless folding screen hinge according to an embodiment of the present application;
[0022] Figure 5 It is a schematic three - dimensional structure diagram of a damping module of a gearless folding screen hinge according to an embodiment of the present application;
[0023] Among them, Figures 1 to 5 includes:
[0024] 1. Outer support plate; 11. Support platform; 12. First sliding groove; 13. Second sliding groove; 14. First arc groove;
[0025] 2. Secondary support plate; 21. First arc guide bar; 22. Second arc guide bar;
[0026] 3. Base plate; 31. Second arc groove; 32. Module mounting seat;
[0027] 4. Damping module group; 41. Fixed block; 411. Clearance groove; 42. Damping module; 421. Wing plate; 4211. Connection part;
[0028] 4212. Slide block; 423. Damping seat; 424. Spring; 425. Connection shaft; 426. Mounting plate;
[0029] 5. Cover plate module; 51. Connecting cover plate; 52. Outer cover plate; 521. Slide rail;
[0030] 6. Baffle. Detailed implementation manners
[0031] To make the objectives, technical solutions, and advantages of the present application clearer, the following will refer to the accompanying drawings in the embodiments of the present application and clearly and completely describe the technical solutions of the present application through implementation manners. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts belong to the scope of protection of the present application.
[0032] Embodiment 1
[0033] One of the implementation methods of a gearless folding screen hinge of the present application is as Figures 1 to 5As shown in the figure, it includes a support plate module and a damping module 4; the support plate module includes several support plates, which are hinged between adjacent support plates and are linked through a guiding structure.
[0034] In this embodiment, the support plate includes a seat plate 3, secondary support plates 2 arranged on both sides of the seat plate 3, and outer support plates 1 arranged on both outer sides of the support plate module respectively.
[0035] One side of the secondary support plate 2 is cooperatively connected with the seat plate 3, and the other side is cooperatively connected with the outer support plate 1. The outer support plate 1 includes several first arc grooves 14; the secondary support plate 2 includes several first arc guiding strips 21 and second arc guiding strips 22; the seat plate 3 includes several second arc grooves 31; the first arc grooves 14 are cooperatively connected with the first arc guiding strips 21, and the second arc guiding strips 22 are cooperatively connected with the second arc grooves 31 to form the above-mentioned guiding structure. When the folding screen is folded, the first arc guiding strip 22 can be received in the first arc groove 14, and at the same time, the second arc guiding strip 22 can be received in the second arc groove 31.
[0036] The damping module 4 is fixedly installed on the seat plate 3; the damping module 4 includes several damping modules 42; corresponding wing plates 421 are respectively arranged on both sides of the damping module 42, one end of the wing plate 421 is hinged to the damping module 42, and the other end is slidably connected to the outer support plate 1.
[0037] Specifically, the outer support plate 1 includes several support platforms 11, and corresponding first sliding grooves 12 are respectively arranged between adjacent support platforms 11; one side of the wing plate 421 is provided with a slider 4212 for slidably connecting with the corresponding first sliding groove 12.
[0038] When folding, the outer support plates 1 on both sides drive the secondary support plates 2 to turn inwards through the guiding structure, realizing the folding of the folding screen hinge. The folding screen hinge does not require gear linkage, has a simple structure, and a low manufacturing cost.
[0039] More specifically, the damping module 42 includes two connecting shafts 425 arranged in parallel; both ends of the connecting shafts 425 are respectively arranged on corresponding mounting plates 426; the other side of the wing plate 421 is provided with a connecting portion 4211, and is hinged on the connecting shaft 425 through the connecting portion 4211. The connecting shaft 425 is also provided with a damping seat 423 and a spring 424. One side of the damping seat 423 abuts against one side of the connecting portion 4211, and a damping protrusion is provided on the abutting side. A clamping groove is provided at the abutting portion of the connecting portion 4211, and the shape of the clamping groove matches the shape of the damping protrusion. The spring 424 is sleeved on the connecting shaft 425, and one end abuts against the damping seat 423, and the other end abuts against one side of the mounting plate 426. When the wing plate 421 rotates along the central position of the connecting portion 4211, it squeezes the damping seat 423, and at the same time the spring 424 is squeezed and contracted; as the wing plate 421 rotates, when the damping protrusion is embedded into the next clamping groove, the damping seat 423 is reset under the push of the spring 424 and fixes the wing plate 421. At this time, the spring 424 returns to the extended state.
[0040] More specifically, the damping module group 4 further includes a plurality of fixing blocks 41, and corresponding damping modules 42 are respectively arranged between adjacent fixing blocks 41. The fixing blocks 41 are also provided with clearance grooves 411 for avoiding the first arc-shaped groove 14 during folding.
[0041] Furthermore, the gearless folding screen hinge further includes a cover plate module 5; the cover plate module 5 includes a plurality of hinged cover plates, the cover plate module 5 is arranged above the damping module group 4, and is slidably connected with the outer support plate 1. The cover plate module 5 is used to hide the structure of the damping module group 4, block magazines and dust, and improve the appearance beauty degree.
[0042] In this embodiment, the cover plate includes a connecting cover plate 51, and two outer cover plates 52 respectively hinged on both sides of the connecting cover plate 51. The outer support plate 1 is also provided with a plurality of second sliding grooves 13; the outer cover plates 52 are also provided with a plurality of slide rails 521 corresponding to the second sliding grooves 13 for sliding connection with the second sliding grooves 13. When the outer support plate 1 is turned inward, the outer cover plates 52 can be driven to turn inward at the same time.
[0043] Even further, baffles 6 are respectively provided at both ends of the connecting cover plate 51, and the baffles 6 and the cover plate module 5 jointly hide the structure of the damping module group 4.
[0044] Note that the above is only a preferred embodiment of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments. Without departing from the concept of the present application, more other equivalent embodiments can be included, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A gearless folding screen hinge, characterized in that, Comprising: A support plate module and a damping module (4); The support plate module includes a base plate (3), secondary support plates (2) respectively arranged on both sides of the base plate (3), and outer support plates (1) respectively arranged on both outer sides of the support plate module; One side of the secondary support plate (2) is cooperatively connected with the base plate (3), and the other side is cooperatively connected with the outer support plate (1) and is linked through corresponding guiding structures; The damping module (4) is installed on the base plate (3); The damping module (4) includes a plurality of damping modules (42); Corresponding wing plates (421) are respectively arranged on both sides of the damping module (42), one end of the wing plate (421) is hinged to the damping module (42), and the other end is slidably connected to the outer support plate (1).
2. The gearless folding screen hinge according to claim 1, characterized in that: The outer support plate (1) includes a plurality of first arc-shaped grooves (14); The secondary support plate (2) includes a plurality of first arc-shaped guiding strips (21) and second arc-shaped guiding strips (22); The base plate (3) includes a plurality of second arc-shaped grooves (31); The first arc-shaped groove (14) is cooperatively connected with the first arc-shaped guiding strip (21), and the second arc-shaped guiding strip (22) is cooperatively connected with the second arc-shaped groove (31) to form the guiding structure.
3. The gearless folding screen hinge according to claim 1 or 2, characterized in that: The outer support plate (1) includes a plurality of support platforms (11), and corresponding first sliding grooves (12) are respectively arranged between adjacent support platforms (11); The damping module (42) further includes a damping seat (423); One side of the wing plate (421) is provided with a slider (4212), and the other side is provided with a connecting portion (4211); The slider (4212) is slidably connected to the first sliding groove (12); The connecting portion (4211) is hinged to the damping module (42) and abuts against the damping seat (423).
4. The gearless folding screen hinge according to claim 3, characterized in that: The damping module (42) further includes a spring (424); One side of the damping seat (423) abuts against the spring (424), and the other side is provided with a damping protrusion; The side shape of the connecting portion (4211) is matched with the damping protrusion.
5. The gearless folding screen hinge according to claim 4, characterized in that: The damping module (42) further includes two juxtaposed connecting shafts (425); Installation plates (426) are arranged at both ends of the connecting shaft (425); The connecting portion (4211) is hinged to the connecting shaft (425); The spring (424) is sleeved on the connecting shaft (425), one end abuts against the damping seat (423), and the other end abuts against the installation plate (426) on one side.
6. The gearless folding screen hinge according to claim 3, characterized in that: The damping module (4) further includes a plurality of fixing blocks (41), and the corresponding damping modules (42) are respectively arranged between adjacent fixing blocks (41).
7. The gearless folding screen hinge according to claim 3, wherein: It further includes a cover plate module (5); The cover plate module (5) includes a plurality of cover plates hingedly connected. The cover plate module (5) is disposed above the damping module (4) and is slidably connected to the outer support plate (1).
8. The gearless folding screen hinge according to claim 7, wherein: The cover plate includes a connecting cover plate (51), and two outer cover plates (52) respectively hinged to both sides of the connecting cover plate (51).
9. The gearless folding screen hinge according to claim 8, wherein: The outer support plate (1) is further provided with a plurality of second chutes (13); The outer cover plate (52) is further provided with a plurality of slide rails (521) corresponding to the second chutes (13) for slidably connecting with the second chutes (13).
10. The gearless folding screen hinge according to claim 9, wherein: Both ends of the connecting cover plate (51) are respectively provided with baffles (6).