Three-section type middle plate module of folding hinge
Through the three-stage mid-plate module design and the adjustment of the connection adjustment slot, the problem of insufficient production accuracy of the existing folding hinge mid-plate module is solved, and higher production accuracy and flexibility are achieved, and production costs are reduced.
Patent Information
- Application Number
- CN202422017006.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The production accuracy of the existing folding hinges is insufficient, and the manufacturing process and production equipment requirements are high, resulting in limited production flexibility and high cost.
The three-stage mid-plate module design is adopted to adjust the spacing of the connection adjustment grooves to adjust the length of the mid-plate module to improve production accuracy, and enhance the connection firmness through the design of welding grooves and through-plate grooves.
It improves the production accuracy and flexibility of the medium plate module, reduces the requirements of manufacturing processes and production equipment, and reduces the production costs of enterprises.
Smart Images
Figure CN222954040U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of folding hinges, in particular to a three-section middle plate module of a folding hinge. Background Art
[0002] The folding hinge connects the two screen parts of the folding phone and provides the necessary support to keep the phone stable in both the unfolded and folded states. The precision of the folding hinge is crucial to the performance and user experience of the folding phone. The high-precision hinge design can ensure that the phone remains smooth and stable during the folding and unfolding process, and extend its service life.
[0003] The folding hinge includes a middle plate, a cover plate, a torque module, a rotating arm and a connecting seat. The cover plate is fixed to the middle plate, and the torque module, the rotating arm and the connecting seat are connected between the middle plate and the cover plate. The middle plate module of the existing folding hinge is generally formed in one piece. Although it can reduce the connection points and splicing parts, thereby improving the stability and strength of the entire hinge structure and reducing the risk of loosening and displacement, it has high requirements for the manufacturing process and production equipment, which limits the flexibility of production. Therefore, it is necessary to make improvements. Utility Model Content
[0004] The purpose of the utility model is to address the deficiencies in the prior art and provide a three-section middle plate module with a folding hinge. The length of the middle plate module can be adjusted by adjusting the connecting adjustment groove, so that the production accuracy of the middle plate module is more controllable, thereby reducing the requirements for manufacturing processes and production equipment and reducing the production costs of the enterprise.
[0005] To achieve the above-mentioned purpose, the utility model provides a three-section middle plate module of a folding hinge, comprising a middle plate A and a middle plate B.
[0006] Both ends of the middle plate A are provided with a first connection part, the middle plate B is provided with a second connection part, the first connection part is provided with a sinking groove and a first bevel, and the second connection part is provided with an extension edge and a second bevel.
[0007] There are two middle plates B, and the two middle plates B are respectively connected to the first connecting parts at both ends of the middle plate A through the second connecting parts. The sinking groove and the extended edge abut against each other, and the distance between the first connecting part and the second connecting part forms a connection adjustment groove, and the first beveled edge and the second beveled edge form a welding groove.
[0008] Preferably, the middle plate A and the middle plate B are both provided with a through connecting groove, and the through connecting groove is arranged along the axis of the middle plate A and the middle plate B. The second bevel is penetrated by a connecting hole, and the second bevel is connected with the through connecting groove through the connecting hole, so that the connecting adjustment groove, the welding groove and the through connecting groove are all connected.
[0009] Preferably, the middle plate A and the middle plate B are both provided with countersunk holes communicating with the through-connecting grooves.
[0010] Preferably, the middle plate B is provided with a sunken groove for contacting with the torsion module of the folding hinge, and the sunken groove is provided with an avoidance position and a limiting protrusion, the avoidance position is provided in the middle of the sunken groove, and the limiting protrusion is provided at both ends of the sunken groove.
[0011] Preferably, the middle plate A and the middle plate B are both provided with a guide groove for guiding the rotation of the rotating arm of the folding hinge, a through hole is provided on one side of the guide groove, and an abutment block for abutting with the rotating arm of the folding hinge is provided in the through hole.
[0012] Preferably, grooves are provided on both sides of the middle plate A, a boss is provided between the two grooves, and recessed parts are provided around the boss.
[0013] Preferably, the middle plate A is provided with fixing columns for fixing the outer cover of the rotating arm, the number of the fixing columns is at least 2, and a fixing screw hole is provided between the two fixing columns.
[0014] Preferably, the middle plate B is provided with at least two fixing grooves, and the torsion module of the folding hinge is limited between the two fixing grooves.
[0015] Preferably, an abutment sheet is provided at the end of the middle plate B, and the abutment sheet is used to abut against the rotating arm of the connecting seat.
[0016] The beneficial effects of the utility model are as follows: the utility model can adjust the length of the middle plate module by adjusting the connection adjustment groove, so that the production accuracy of the middle plate module is more controllable, thereby reducing the requirements for manufacturing process and production equipment and reducing the production cost of the enterprise.
[0017] The middle plate module is modular, and the size of flexible screens of different specifications can be adapted by adjusting the length of the middle plate module. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the utility model.
[0019] Figure 2 It is a schematic structural diagram of the connection state of the first connecting part and the second connecting part of the utility model.
[0020] Figure 3 This is a schematic structural diagram of the separation state of the first connecting part and the second connecting part of the utility model from another perspective.
[0021] Figure 4 This is a structural schematic diagram of the middle plate A of the present utility model.
[0022] Figure 5 It is a structural schematic diagram of the middle plate B of the present utility model.
[0023] Reference numerals include:
[0024] 1. Middle plate A; 11. First connecting part; 12. Matching groove; 13. First bevel; 14. Guide groove; 15. Through hole; 151. Abutment block; 16. Groove; 17. Boss; 171. Recessed part; 18. Fixing column; 19. Fixing screw hole; 2. Middle plate B; 21. Second connecting part; 22. Extended edge; 23. Second bevel; 24. Connecting hole; 25. Sunken groove; 26. Avoidance position; 27. Limiting protrusion; 28. Fixing groove; 29. Abutment sheet; 3. Connection adjustment groove; 4. Welding groove; 5. Through-connecting groove; 51. Countersunk hole. DETAILED DESCRIPTION
[0025] The utility model is described in detail below with reference to the accompanying drawings.
[0026] See also Figures 1 to 5 As shown, a three-section middle plate module of a folding hinge of the utility model comprises a middle plate A1 and a middle plate B2.
[0027] Both ends of the middle plate A1 are provided with a first connection part 11, and the middle plate B2 is provided with a second connection part 21. The middle plate A1 and the middle plate B2 are spliced and fixed by welding through the connection of the first connection part 11 and the second connection part 21.
[0028] Specifically, the first connection portion 11 is a concave or convex structure, and the second connection portion 21 is a concave or convex structure. In this embodiment, the first connection portion 11 is a convex structure, and the second connection portion 21 is a concave structure.
[0029] The first connection part 11 is provided with a matching groove 12 and a first bevel 13, and the second connection part 21 is provided with an extension edge 22 and a second bevel 23. By dividing the middle plate module into three sections, the processing and production of the middle plate module is more flexible.
[0030] When in use, there are two middle plates B2, and the two middle plates B2 are respectively connected to the first connection parts 11 at both ends of the middle plate A1 through the second connection parts 21. The matching grooves 12 and the extension edges 22 abut against each other, and the spacing between the first connection parts 11 and the second connection parts 21 forms a connection adjustment groove 3. The length of the middle plate module can be adjusted by adjusting the spacing of the connection adjustment groove 3. The first bevel 13 and the second bevel 23 form a welding groove 4. On the one hand, the welding groove 4 facilitates the welding of the middle plate A1 and the middle plate B2. On the other hand, the solder enters the connection adjustment groove 3 through the welding groove 4 so that the middle plate A1 and the middle plate B2 are fully connected with the solder, so that the middle plate A1 and the middle plate B2 are firmly connected when used.
[0031] Specifically, the welding groove 4 is located at the open end of the connection adjustment groove 3 to facilitate the solder to enter the connection adjustment groove 3 from the welding groove 4 .
[0032] The length of the middle plate module can be adjusted by adjusting the connection adjustment groove 3, so that the production accuracy of the middle plate module is more controllable, thereby reducing the requirements for manufacturing process and production equipment and reducing the production cost of the enterprise.
[0033] See also Figure 2 and Figure 3 As shown, the middle plate A1 and the middle plate B2 of this embodiment are both provided with a through-connecting groove 5 , which is arranged along the axis of the middle plate A1 and the middle plate B2 , and the through-connecting groove 5 increases the torsional strength of the middle plate A1 and the middle plate B2 .
[0034] A connecting hole 24 is provided through the second oblique side 23 , and the second oblique side 23 is connected with the through connecting groove 5 through the connecting hole 24 , so that the connection adjustment groove 3 , the welding groove 4 and the through connecting groove 5 are all connected.
[0035] By connecting the adjustment groove 3, the welding groove 4 and the through-connection groove 5, the solder is contained in the adjustment groove 3, the welding groove 4 and the through-connection groove 5, so that the connection between the middle plate A1 and the middle plate B2 is more firmly established.
[0036] See also Figure 3 As shown, the middle plate A1 and the middle plate B2 of this embodiment are both provided with countersunk holes 51 communicating with the through-connecting groove 5, and the countersunk holes 51 facilitate the connection between the middle plate module and other components of the folding hinge.
[0037] See also Figure 5 As shown, the middle plate B2 of this embodiment is provided with a sinking groove 25 for contacting with the torque module of the folding hinge. The sinking groove 25 is provided with an avoidance position 26 and a limiting protrusion 27. The avoidance position 26 is provided in the middle of the sinking groove 25, and the gear arm of the torque module is conveniently rotated through the avoidance position 26. The limiting protrusion 27 is provided at both ends of the sinking groove 25, and the torque module is limited by the limiting protrusion 27.
[0038] See also Figure 4 As shown, the middle plate A1 and the middle plate B2 of this embodiment are both provided with a guide groove 14 for guiding the rotation of the rotating arm of the folding hinge, and the rotating arm can rotate more smoothly through the guide groove 14. A through hole 15 is provided on one side of the guide groove 14, and an abutment block 151 for abutting against the rotating arm of the folding hinge is provided in the through hole 15, and the abutment block 151 is used to limit the rotation range of the rotating arm.
[0039] See also Figure 4As shown, grooves 16 are provided on both sides of the middle plate A1 of this embodiment, and the connection area between the middle plate A1 and the cover plate is increased by the grooves 16. A boss 17 is provided between the two grooves 16, and the middle plate A1 is extended into the inner side of the cover plate by the boss 17. Concave portions 171 are provided around the boss 17, and a structure cooperating with the boss 17 and the concave portion 171 is provided in the cover plate, and the boss 17 is conveniently connected to the cover plate by the concave portion 171 to prevent the cover plate from rotating.
[0040] See also Figure 4 As shown, the middle plate A1 of this embodiment is provided with a fixing column 18 for fixing the outer cover of the rotating arm. The number of the fixing columns 18 is set to at least two, and a fixing screw hole 19 is set between the two fixing columns 18. A clamping hole is opened in the outer cover of the rotating arm, and the fixing column 18 is connected to the clamping hole to facilitate the connection between the middle plate A1 and the rotating arm. The bolts pass through the outer cover of the rotating arm and are screwed to the fixing screw holes 19 to fix the middle plate A1 to the rotating arm.
[0041] See also Figure 5 As shown, the middle plate B2 of this embodiment is provided with at least two fixing grooves 28, and the torsion module of the folding hinge is confined between the two fixing grooves 28, so that the torsion module can be easily fixed to the middle plate B2.
[0042] See also Figure 5 As shown, an abutment sheet 29 is provided at the end of the middle plate B2 of this embodiment. The abutment sheet 29 is used to abut against the rotating arm of the connecting seat. The abutment sheet 29 limits the rotation range of the connecting seat, making the connecting seat work more stably.
[0043] 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 three-section middle plate module with a folding hinge, characterized in that: Including middle plate A(1) and middle plate B(2), Both ends of the middle plate A (1) are provided with a first connecting portion (11), the middle plate B (2) is provided with a second connecting portion (21), the first connecting portion (11) is provided with a matching groove (12) and a first oblique edge (13), the second connecting portion (21) is provided with an extended edge (22) and a second oblique edge (23), The number of the middle plates B (2) is two, and the two middle plates B (2) are respectively connected to the first connecting parts (11) at both ends of the middle plate A (1) through the second connecting parts (21), the matching groove (12) and the extended edge (22) are in contact with each other, and the distance between the first connecting part (11) and the second connecting part (21) forms a connection adjustment groove (3), and the first oblique edge (13) and the second oblique edge (23) form a welding groove (4).
2. A three-section middle plate module of a folding hinge according to claim 1, characterized in that: The middle plate A (1) and the middle plate B (2) are both provided with a through-connecting groove (5), and the through-connecting groove (5) is arranged along the axis of the middle plate A (1) and the middle plate B (2); the second bevel (23) is provided with a connecting hole (24), and the second bevel (23) is connected to the through-connecting groove (5) through the connecting hole (24), so that the connection adjustment groove (3), the welding groove (4) and the through-connecting groove (5) are all connected.
3. A three-section middle plate module of a folding hinge according to claim 2, characterized in that: The middle plate A (1) and the middle plate B (2) are both provided with a countersunk hole (51) communicating with the through-connecting groove (5).
4. A three-section middle plate module of a folding hinge according to claim 1 or 2, characterized in that: The middle plate B (2) is provided with a sinking groove (25) for contacting with the torsion module of the folding hinge, and the sinking groove (25) is provided with an avoidance position (26) and a limiting protrusion (27), wherein the avoidance position (26) is provided in the middle of the sinking groove (25), and the limiting protrusion (27) is provided at both ends of the sinking groove (25).
5. A three-section middle plate module of a folding hinge according to claim 1 or 2, characterized in that: The middle plate A (1) and the middle plate B (2) are both provided with a guide groove (14) for guiding the rotation of the rotating arm of the folding hinge, a through hole (15) is provided on one side of the guide groove (14), and an abutment block (151) for abutting against the rotating arm of the folding hinge is provided in the through hole (15).
6. A three-section middle plate module of a folding hinge according to claim 1 or 2, characterized in that: Grooves (16) are provided on both sides of the middle plate A (1), a boss (17) is provided between the two grooves (16), and recessed portions (171) are provided around the boss (17).
7. A three-section middle plate module of a folding hinge according to claim 1 or 2, characterized in that: The middle plate A (1) is provided with a fixing column (18) for fixing the outer cover of the rotating arm, the number of the fixing columns (18) is at least two, and a fixing screw hole (19) is provided between the two fixing columns (18).
8. A three-section middle plate module of a folding hinge according to claim 1 or 2, characterized in that: The middle plate B (2) is provided with at least two fixing grooves (28), and the torsion module of the folding hinge is limited between the two fixing grooves (28).
9. A three-section middle plate module of a folding hinge according to claim 1 or 2, characterized in that: The end of the middle plate B (2) is provided with an abutment sheet (29), and the abutment sheet (29) is used to abut against the rotating arm of the connecting seat.