Rotating shaft structure
By using the flip design of the first bracket, the second bracket and the elastic member in the folding hinge structure, a large torque is provided, and the volume and cost problems in the prior art are solved, and a balance between torque demand and compact structure is achieved.
Patent Information
- Application Number
- CN202422715197.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-07
AI Technical Summary
When existing folding hinge structures require a larger axis diameter or increase the number of hinges when they require a larger torque, resulting in problems such as large overall volume and high manufacturing cost.
By adopting the design of a main body, a first bracket, a second bracket, a pair of first swing arms, a pair of second swing arms, at least one first elastic member and at least one second elastic member, the first bracket and the second bracket are flipped relative to the main body, the elastic member is compressed or stretched, and torque is provided to the swing arms to avoid increasing volume or excessive cost increase.
Provides greater torque while avoiding the overall volume increasing or excessive manufacturing cost increasing, achieving the combination of meeting torque demand and compact structure.
Smart Images
Figure CN223294059U_ABST
Abstract
Description
Technical Field
[0001] This case relates to a rotating shaft structure, and in particular to a rotating shaft structure with an elastic member. Background Art
[0002] Currently, the bearing torque components of a common folding hinge structure include a swing arm, guide rail, torque shaft, friction plate, torque adjustment nut, and gears. If higher torque is required, a larger shaft diameter is required to meet the demand, or the number of hinge components used must be increased. However, this approach results in a larger overall size and significantly increased manufacturing costs. Utility Model Content
[0003] This case provides a rotating shaft structure, including a main body, a first bracket, a second bracket, a pair of first swing arms, a pair of second swing arms, at least one first elastic member and at least one second elastic member. The main body includes a first rotating shaft and a second rotating shaft that are parallel to each other, and a first slot and a second slot that are connected to each other and face opposite directions. The first bracket includes a first rotating part and a first fixed part that are connected, and the first rotating part is movably configured in the first slot. The second bracket includes a second rotating part and a second fixed part that are connected, and the second rotating part is movably configured in the second slot. A pair of first swing arms are located on opposite sides of the first fixed part, and one end of the pair of first swing arms is respectively pivoted to the first rotating shaft. A pair of second swing arms are located on opposite sides of the second fixed part, and one end of the pair of second swing arms is respectively pivoted to the second rotating shaft. At least one first elastic member connects the other end of the pair of first swing arms and the first fixed part. At least one second elastic member connects the other end of the pair of second swing arms and the second fixed part. The first bracket and the second bracket are adapted to be flipped relative to the main body respectively, so that the corresponding at least one first elastic member and at least one second elastic member are compressed or stretched respectively, thereby providing torsion to the corresponding pair of first swing arms and the pair of second swing arms.
[0004] Based on the above, the at least one first elastic member in this embodiment connects the pair of first swing arms and the first fixing portion, and the at least one second elastic member connects the pair of second swing arms and the second fixing portion. The first bracket and the second bracket are adapted to be rotated relative to the main body, causing the corresponding at least one first elastic member and at least one second elastic member to be compressed or stretched, respectively, thereby providing a torque to the corresponding pair of first and second swing arms. This design allows the hinge structure in this embodiment to provide a high torque while avoiding the problems of increased size and manufacturing costs.
[0005] In order to make the above features and advantages of the present invention more clearly understood, embodiments are given below with reference to the accompanying drawings for detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0006] Figure 1A This is a schematic diagram of the appearance of a rotating shaft structure according to one embodiment of the present invention;
[0007] Figure 1B yes Figure 1A Exploded diagram of the shaft structure;
[0008] Figure 1C yes Figure 1A Schematic diagram of the appearance of the main body, the first swing arm and the second swing arm;
[0009] Figure 2 yes Figure 1A A side view of the rotating shaft structure;
[0010] Figure 3 and Figure 4 yes Figure 1A A schematic diagram of the appearance of the shaft structure moving from the unfolded state to the folded state;
[0011] Figure 5 is a schematic diagram of the appearance of a rotating shaft structure according to another embodiment of the present invention;
[0012] Figure 6 yes Figure 5 A schematic diagram of the appearance of the rotating shaft structure in a folded state;
[0013] Figure 7 FIG. 4 is a schematic diagram of the appearance of a rotating shaft structure according to yet another embodiment of the present invention.
[0014] Description of Reference Numerals
[0015] 100, 100a, 100b: rotating shaft structure;
[0016] 110: Subject;
[0017] 111: first rotating shaft;
[0018] 112: second rotating shaft;
[0019] 113: first slot;
[0020] 114: second slot;
[0021] 115: curved slide rail;
[0022] 120: first bracket;
[0023] 121: first rotating part;
[0024] 1211, 1261: curved chute;
[0025] 122: first fixing portion;
[0026] 1221, 133a: first guide rail;
[0027] 125: second bracket;
[0028] 126: second rotating part;
[0029] 127: second fixing portion;
[0030] 1271, 138a: second guide rail;
[0031] 130, 130a: first swing arm;
[0032] 131, 136: one end;
[0033] 132, 137: the other end;
[0034] 135, 135a: second swing arm;
[0035] 140, 140a, 140b: first elastic member;
[0036] 145, 145a, 145b: second elastic member;
[0037] 150b: first connecting member;
[0038] 155b: second connecting member;
[0039] 160: friction plate;
[0040] 165: Torque adjustment nut;
[0041] 170, 170a: guide column;
[0042] L1: first axis;
[0043] L2: second axis;
[0044] L3: Central axis. DETAILED DESCRIPTION
[0045] Figure 1A FIG. 1 is a schematic diagram of the appearance of a rotating shaft structure according to an embodiment of the present invention. Figure 1B yes Figure 1A Exploded diagram of the shaft structure. Figure 1C yes Figure 1A Schematic diagram of the main body, first swing arm and second swing arm. Figure 1A 、 Figure 1B and Figure 1C The hinge structure 100 of this embodiment is suitable for connecting foldable electronic devices such as laptop computers, tablet computers, or smart phones, but the present invention is not limited thereto.
[0046] The hinge structure 100 of this embodiment includes a main body 110, a first bracket 120, and a second bracket 125. The main body 110 includes a first slot 113 and a second slot 114 that are connected and face opposite directions. The first slot 113 and the second slot 114 are independent of each other, giving the main body 110 an S-shaped appearance, for example. The first bracket 120 includes a first rotating portion 121 and a first fixed portion 122 that are connected, and the first rotating portion 121 is movably disposed in the first slot 113. The second bracket 125 includes a second rotating portion 126 and a second fixed portion 127 that are connected, and the second rotating portion 126 is slidably disposed in the second slot 114.
[0047] Please refer to Figure 1B Specifically, the main body 110 includes a plurality of curved rails 115 located in the first slot 113 and the second slot 114. The first rotating portion 121 and the second rotating portion 126 include a plurality of curved grooves 1211 and 1261. The plurality of curved rails 115 are adapted to slide along the plurality of curved grooves 1211 and 1261, thereby allowing the first bracket 120 and the second bracket 125 to slide relative to the main body 110 and flip to expand or fold.
[0048] The hinge structure 100 of this embodiment includes a pair of first swing arms 130 and a pair of second swing arms 135. The pair of first swing arms 130 are located on opposite sides of the first fixing portion 122, and the pair of second swing arms 135 are located on opposite sides of the second fixing portion 127. Furthermore, the main body 110 includes a first rotating shaft 111 and a second rotating shaft 112 disposed parallel to each other. One end 131 of the pair of first swing arms 130 is pivotally connected to the first rotating shaft 111, and one end 136 of the pair of second swing arms 135 is pivotally connected to the second rotating shaft 112.
[0049] The hinge structure 100 of this embodiment further includes at least one first elastic member 140 and at least one second elastic member 145. Specifically, the at least one first elastic member 140 and the at least one second elastic member 145 of this embodiment are a plurality of first elastic members 140 (such as Figure 1B Two are shown) and a plurality of second elastic members 145 (such as Figure 1B (Two are shown in the figure), and the plurality of first elastic members 140 and the plurality of second elastic members 145 are, for example, springs or dampers, but the present invention is not limited thereto. The plurality of first elastic members 140 are located on opposite sides of the first fixing portion 122, and the plurality of first elastic members 140 connect the other ends 132 of the pair of first swing arms 130 and the first fixing portion 122. The plurality of second elastic members 145 are located on opposite sides of the second fixing portion 127, and the plurality of second elastic members 145 connect the other ends 137 of the pair of second swing arms 135 and the second fixing portion 127.
[0050] Furthermore, in this embodiment, the first fixing portion 122 includes a pair of first guide rails 1221 on opposite sides, and the second fixing portion 127 includes a pair of second guide rails 1271 on opposite sides. A plurality of first elastic members 140 are disposed within the first guide rails 1221 on opposite sides of the first fixing portion 122, and a plurality of second elastic members 145 are disposed within the second guide rails 1271 on opposite sides of the second fixing portion 127.
[0051] Furthermore, the other ends 132 of the pair of first swing arms 130 extend through guide posts 170 into the first guide rails 1221 and connect to the plurality of first elastic members 140. The guide posts 170 are adapted to slide along the pair of first guide rails 1221. The other ends 137 of the pair of second swing arms 135 extend through guide posts 170 into the second guide rails 1271 and connect to the plurality of second elastic members 145. The guide posts 170 are adapted to slide along the pair of second guide rails 1271. In other words, the guide posts 170 are adapted to slide along the pair of first guide rails 1221 and the pair of second guide rails 1271, respectively, causing the corresponding plurality of first elastic members 140 and plurality of second elastic members 145 to be compressed or stretched.
[0052] Figure 2 yes Figure 1A Side view of the shaft structure. Figure 3 and Figure 4 yes Figure 1A Schematic diagram of the appearance of the hinge structure moving from the unfolded state to the folded state. Please refer to Figure 2 、 Figure 3 and Figure 4 , the first bracket 120 and the second bracket 125 are adapted to be flipped relative to the main body 110, so that the corresponding plurality of first elastic members 140 and the plurality of second elastic members 145 are compressed or stretched, respectively, to provide a torsional force to the corresponding pair of first swing arms 130 and the pair of second swing arms 135. Specifically, when the first bracket 120 and the second bracket 125 are flipped relative to the main body 110 and move from the unfolded state to the folded state (i.e., the hinge structure 100 is rotated from the unfolded state to the folded state), Figure 1A The status moves to Figure 3 The state then moves to Figure 4 ), the first elastic members 140 and the second elastic members 145 are stretched respectively, and can provide a torsional force to the corresponding pair of first swing arms 130 and the pair of second swing arms 135. On the contrary, when the first bracket 120 and the second bracket 125 are respectively flipped relative to the main body 110 and move from the folded state to the unfolded state (i.e., the hinge structure 100 is moved from the folded state to the unfolded state), the first elastic members 140 and the second elastic members 145 are stretched respectively, and can provide a torsional force to the corresponding pair of first swing arms 130 and the pair of second swing arms 135. Figure 4 The status moves to Figure 3 The state then moves to Figure 1A ), the plurality of first elastic members 140 and the plurality of second elastic members 145 are respectively compressed, and can also provide a torsional force to the corresponding pair of first swing arms 130 and the pair of second swing arms 135.
[0053] For details, please refer to Figure 1C The central axes L3 of the multiple curved slide rails 115 are offset from the first axis L1 of the first rotating shaft 111 and the second axis L2 of the second rotating shaft 112. This means that when the first bracket 120 and the second bracket 125 flip along the central axis L3, the pair of first swing arms 130 and the pair of second swing arms 135 rotate along the first axis L1 and the second axis L2, respectively. During the flipping process, the first bracket 120 and the second bracket 125 move relative to the pair of first swing arms 130 and the pair of second swing arms 135, rather than rotating synchronously. When the first bracket 120 and the second bracket 125 flip relative to the main body 110, the guide posts 170 connected to the pair of first swing arms 130 and the guide posts 170 connected to the pair of second swing arms 135 are affected by the relative movement of the first bracket 120 and the second bracket 125, respectively, causing the corresponding pair of first swing arms 130 and the pair of second swing arms 135 to rotate, thereby compressing or stretching the corresponding plurality of first elastic members 140 and the plurality of second elastic members 145.
[0054] In addition, please refer to Figure 2 The extension directions of the first elastic members 140 and the second elastic members 145 do not pass through the first axis L1 of the first rotating shaft 111 and the second axis L2 of the second rotating shaft 112. Therefore, when the first elastic members 140 and the second elastic members 145 are compressed or stretched, they each generate a pushing or pulling elastic force, further providing a torsional force to the corresponding first swing arm 130 and the second swing arm 135.
[0055] The rotating shaft structure 100 of this embodiment further includes a plurality of friction plates 160 and a plurality of torque adjustment nuts 165. The plurality of friction plates 160 and the plurality of torque adjustment nuts 165 are disposed on the first rotating shaft 111 and the second rotating shaft 112 to further provide torque to the pair of first swing arms 130 and the pair of second swing arms 135.
[0056] As described above, in this embodiment, the plurality of first elastic members 140 connect the pair of first swing arms 130 and the first fixing portion 122, and the plurality of second elastic members 145 connect the pair of second swing arms 135 and the second fixing portion 127. The plurality of central axes L3 of the plurality of arcuate guide rails 115 are offset from the first axis L1 of the first rotating shaft 111 and the second axis L2 of the second rotating shaft 112. Furthermore, the plurality of first elastic members 140 and the plurality of second elastic members 145 extend in directions that do not pass through the first axis L1 of the first rotating shaft 111 and the second axis L2 of the second rotating shaft 112. The first bracket 120 and the second bracket 125 are adapted to be respectively rotated relative to the main body 110, causing the corresponding plurality of first elastic members 140 and the plurality of second elastic members 145 to be compressed or stretched, respectively, thereby applying torque to the corresponding pair of first swing arms 130 and the pair of second swing arms 135. This design allows the hinge structure 100 of this embodiment to provide a high torque while avoiding the problems of increased size and manufacturing costs.
[0057] Figure 5 FIG. 1 is a schematic diagram of the appearance of a rotating shaft structure according to another embodiment of the present invention. Figure 6 yes Figure 5 Schematic diagram of the appearance of the hinge structure in the folded state. Please refer to Figure 5 and Figure 6 The hinge structure 100a of this embodiment is substantially the same as the hinge structure 100 mentioned above. The difference between the two is that the pair of first swing arms 130a of this embodiment includes a pair of first guide rails 133a, and the pair of second swing arms 135a includes a pair of second guide rails 138a. The first fixing portion 122 extends into the pair of first guide rails 133a via a guide post 170a, and the second fixing portion 127 extends into the pair of second guide rails 138a via a guide post 170a. Furthermore, the multiple first elastic members 140a and the multiple second elastic members 145a of this embodiment are not connected to the guide post 170a, nor are they located within the pair of first guide rails 133a and the pair of second guide rails 138a.
[0058] Specifically, the other ends 132 of the pair of first swing arms 130a are connected to the plurality of first elastic members 140a, and the other ends 137 of the pair of second swing arms 135a are connected to the plurality of second elastic members 145a. The first bracket 120 and the second bracket 125 are adapted to be flipped relative to the main body 110, causing the guide posts 170a connecting the first bracket 120 and the second bracket 125 to move along the pair of first guide rails 133a and the pair of second guide rails 138a, respectively, thereby causing the first bracket 120 and the second bracket 125 to move along the corresponding pair of first guide rails 133a and the pair of second guide rails 138a. The first bracket 120 and the second bracket 125 then push the corresponding pair of first swing arms 130a and the pair of second swing arms 135a to rotate along the first rotation axis 111 and the second rotation axis 112, respectively, compressing or stretching the corresponding plurality of first elastic members 140a and the plurality of second elastic members 145a, thereby providing torsional force to the corresponding first swing arms 130a and the second swing arms 135a.
[0059] Figure 7 This is a schematic diagram of the appearance of a rotating shaft structure according to another embodiment of the present invention. Figure 7 The rotating shaft structure 100b of this embodiment is substantially the same as the rotating shaft structure 100. The difference between the two is that the rotating shaft structure 100b of this embodiment further includes a first connecting member 150b and a second connecting member 155b. The first connecting member 150b is connected to the other end 132 of the pair of first swing arms 130, and at least one first elastic member 140b (one is shown) is connected to the center of the first fixed portion 122 and the first connecting member 150b. The second connecting member 155b is connected to the other end 137 of the pair of second swing arms 135, and at least one second elastic member 145b (one is shown) is connected to the center of the second fixed portion 127 and the second connecting member 155b.
[0060] Specifically, the first bracket 120 and the second bracket 125 are adapted to flip relative to the main body 110, causing the corresponding guide posts 170 connected to the pair of first swing arms 130 and the pair of second swing arms 135 to move along the pair of first guide rails 1221 and the pair of second guide rails 1271, respectively. The pair of first swing arms 130 and the pair of second swing arms 135 move along the pair of first guide rails 1221 and the pair of second guide rails 1271, respectively, thereby causing the corresponding first connecting member 150b and the second connecting member 155b to move relative to the first bracket 120 and the second bracket 125, respectively. When the first connecting member 150b and the second connecting member 155b move relative to the first bracket 120 and the second bracket 125, respectively, the first elastic member 140b and the second elastic member 145b are compressed or stretched, respectively, thereby providing a torsional force to the corresponding first swing arm 130 and the second swing arm 135.
[0061] It should be added that although Figures 1A to 4Each first swing arm 130 and each second swing arm 135 are connected to a first elastic member 140 and a second elastic member 145, respectively. Figure 5 and Figure 6 Each first swing arm 130a and each second swing arm 135a is connected to a first elastic member 140a and a second elastic member 145a, respectively, and Figure 7 The first connecting member 150b and the second connecting member 155b are connected to a first elastic member 140b and a second elastic member 145b respectively, but the present invention is not limited thereto. In other words, the number of first elastic members 140, 140a, 140b and a second elastic member 145, 145a, 145b can be adjusted according to the required torque.
[0062] In summary, in the present invention, at least one first elastic member connects a pair of first swing arms and a first fixed portion, and at least one second elastic member connects a pair of second swing arms and a second fixed portion. The multiple center axes of the multiple arc-shaped slide rails are offset from the first axis of the first rotating shaft and the second axis of the second rotating shaft, and the extension directions of the multiple first elastic members and the multiple second elastic members do not pass through the first axis of the first rotating shaft and the second axis of the second rotating shaft. The first bracket and the second bracket are suitable for flipping relative to the main body, respectively, so that the corresponding at least one first elastic member and the at least one second elastic member are compressed or stretched, respectively, to provide torque to the corresponding pair of first swing arms and the pair of second swing arms. Through such a design, the shaft structure of the present invention can provide greater torque while avoiding the problems of increased volume or excessive increase in manufacturing costs.
[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A rotating shaft structure, characterized in that: include: The main body includes a first rotating shaft and a second rotating shaft parallel to each other, and a first slot and a second slot connected to each other and facing in opposite directions; A first bracket includes a first rotating portion and a first fixed portion connected to each other, wherein the first rotating portion is movably disposed in the first slot; a second bracket comprising a second rotating portion and a second fixed portion connected to each other, wherein the second rotating portion is movably disposed in the second slot; a pair of first swing arms, located on opposite sides of the first fixing portion, one end of the pair of first swing arms being pivotally connected to the first rotating shaft respectively; a pair of second swing arms, located on opposite sides of the second fixing portion, one end of the pair of second swing arms being pivotally connected to the second rotating shaft respectively; at least one first elastic member connecting the other ends of the pair of first swing arms and the first fixing portion; and At least one second elastic member connects the other end of the pair of second swing arms and the second fixing portion, wherein The first bracket and the second bracket are adapted to be flipped relative to the main body respectively, so that the corresponding at least one first elastic member and the at least one second elastic member are compressed or stretched respectively, thereby providing a torsional force to the corresponding pair of first swing arms and the pair of second swing arms.
2. The rotating shaft structure according to claim 1, characterized in that: The at least one first elastic member and the at least one second elastic member are a plurality of first elastic members and a plurality of second elastic members, and the plurality of first elastic members are located on the opposite sides of the first fixing portion, and the plurality of second elastic members are located on the opposite sides of the second fixing portion.
3. The rotating shaft structure according to claim 2, characterized in that: The opposite sides of the first fixing portion include a pair of first guide rails, the opposite sides of the second fixing portion include a pair of second guide rails, the other ends of the pair of first swing arms extend into the pair of first guide rails and slide along the pair of first guide rails, and the other ends of the pair of second swing arms extend into the pair of second guide rails and slide along the pair of second guide rails.
4. The rotating shaft structure according to claim 3, characterized in that: The plurality of first elastic members are disposed in the pair of first guide rails, and the plurality of second elastic members are disposed in the pair of second guide rails.
5. The rotating shaft structure according to claim 2, characterized in that: The pair of first swing arms include a pair of first guide rails, the pair of second swing arms include a pair of second guide rails, the first fixing portion extends into the pair of first guide rails, the second fixing portion extends into the pair of second guide rails, and the first bracket and the second bracket are suitable for moving along the pair of first guide rails and the pair of second guide rails respectively.
6. The rotating shaft structure according to claim 2, characterized in that: It also includes a first connecting member and a second connecting member, the first connecting member connects the other end of the pair of first swing arms, the at least one first elastic member connects the center of the first fixed part and the first connecting member, the second connecting member connects the other end of the pair of second swing arms, and the at least one second elastic member connects the center of the second fixed part and the second connecting member.
7. The rotating shaft structure according to claim 1, characterized in that: The at least one first elastic member and the at least one second elastic member are springs or dampers.
8. The rotating shaft structure according to claim 1, characterized in that: It also includes a plurality of friction plates and a plurality of torque adjustment nuts, which are arranged on the first rotating shaft and the second rotating shaft.
9. The rotating shaft structure according to claim 1, characterized in that: The main body includes a plurality of arc-shaped slide rails, the first rotating part and the second rotating part include a plurality of arc-shaped slide grooves, and the plurality of arc-shaped slide rails are suitable for sliding along the plurality of arc-shaped slide grooves.
10. The rotating shaft structure according to claim 9, characterized in that: The central axes of the arc-shaped slide rails are staggered with the first axis of the first rotating shaft and the second axis of the second rotating shaft.