A flip-top shaft

By adopting a combined structure of fixing frame, connecting shaft and tight adjustment components in the flip product, multi-angle flip is achieved and the problem of jamming is avoided, which meets the sensory needs of consumers, and improves the stability of flip through torque regulation. .

CN112814994BActive Publication Date: 2024-12-27DONGGUAN YIYANG PRECISION TECH CO LTD
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Patent Information

Application Number
CN202110169213.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-07
Publication Date
2024-12-27
Estimated Expiration
2041-02-07

AI Technical Summary

Technical Problem

The shaft design of existing flip products causes the gap between the upper cover and the lower cover to be too large, which cannot meet the consumer's sensory needs, resulting in the edges of the lower cover and the upper cover stuck after flipping a certain angle, limiting the flip angle.

Method used

The structure adopts a structure including a fixing frame, a first connecting shaft, a rotary connector, a first tensioning adjustment assembly, a second connecting shaft and a movable frame, and the rotary connector is slidably matched along the guide groove through the first connecting shaft to flip the rotary connector, and the second connecting shaft is The sliding fits the movable frame to achieve multi-angle flip and adjust the torque by tight adjustment components to ensure sufficient space for the lower cover and upper cover edges to avoid jamming.

Benefits of technology

Achieves multi-angle flip of 0°-115°, ensuring that the lower cover and upper cover are closely abutted when closed, avoiding jamming during flip, meeting consumers' sensory needs, and improving the stability of flip through torque regulation. sex.

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Abstract

The present invention relates to the field of hinge shaft technology, and specifically to a flip-top type shaft, which adopts a fixed frame, a first connecting shaft, a rotating connecting piece, a first tensioning adjustment component, a second connecting shaft, a movable frame and a second tensioning adjustment component to cooperate with each other, and the first connecting shaft sequentially penetrates a first guide groove and a first through hole and is connected to the first tensioning adjustment component, and the second connecting shaft sequentially penetrates a second through hole and a second guide groove and is connected to the second tensioning adjustment component; in actual operation, the relative positions of the fixed frame and the rotating connecting piece, as well as the relative positions of the rotating connecting piece and the movable frame are changed to realize multi-angle flipping of the movable frame; when the flip-top type shaft is applied to flip-top products, the double-axis linkage structure of the flip-top type shaft can obtain a certain gap between the edges of the lower cover and the upper cover, thereby avoiding the edges of the lower cover and the upper cover from being stuck and limiting the flipping angle after flipping to a certain angle, and better meeting the sensory needs of consumers.
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Description

Technical Field

[0001] The invention relates to the technical field of hinge shafts, and in particular to a flip-type shaft. Background Art

[0002] Most flip products, such as tablet computer stands and laptop computers, require a hinge to flip the upper and lower covers of the flip products relative to each other. In order to prevent the edges of the lower and upper covers from getting stuck and limiting the flip angle after flipping to a certain angle, most existing hinges are arranged between the edges of the upper and lower covers and exposed outside the flip products, thereby ensuring that a certain gap is left between the upper and lower covers to avoid contact between the two and limiting the flip angle. However, this design results in a large gap between the upper and lower covers, which is insufficient to meet the sensory needs of consumers. Summary of the invention

[0003] In order to overcome the shortcomings and deficiencies in the prior art, an object of the present invention is to provide a flip-type rotating shaft.

[0004] The objective of the present invention is achieved through the following technical scheme: a flip-type rotating shaft comprises a fixed frame, a first connecting shaft, a rotating connecting piece, a first tensioning adjustment assembly, a second connecting shaft, a movable frame and a second tensioning adjustment assembly, the rotating connecting piece is arranged between the fixed frame and the movable frame, the fixed frame is provided with a first guide groove, the rotating connecting piece is provided with a first through hole and a second through hole, the movable frame is provided with a second guide groove, the first connecting shaft sequentially passes through the first guide groove and the first through hole and is connected to the first tensioning adjustment assembly, the second connecting shaft sequentially passes through the second through hole and the second guide groove and is connected to the second tensioning adjustment assembly; when the movable frame is flipped over, the first connecting shaft slides along the first guide groove to cooperate with the flipping of the rotating connecting piece, and the second connecting shaft slides along the second guide groove to cooperate with the rotation of the movable frame.

[0005] Preferably, a first guide block is provided on a surface of the fixing frame close to the rotating connecting member, and the rotating connecting member is provided with a second guide block which is slidably matched with the first guide block.

[0006] Preferably, a third guide block is provided on a side of the rotating connecting member close to the movable frame, and the movable frame is provided with a fourth guide block that is slidably matched with the third guide block.

[0007] Preferably, a first screw thread is provided at one end of the first connecting shaft connected to the first tensioning adjustment assembly, and the first tensioning adjustment assembly includes a first spring assembly, a first flat gasket and a first nut which abut against each other in sequence, and the first connecting shaft passes through the first through hole, the first spring assembly and the first flat gasket in sequence and is threadedly connected to the first nut.

[0008] Preferably, the first spring sheet assembly is formed by stacking a plurality of first spring washers.

[0009] Preferably, a second screw thread is provided at one end of the second connecting shaft connected to the second tensioning adjustment assembly, and the second tensioning adjustment assembly includes a second flat gasket, a second spring assembly and a second nut which abut against each other in sequence, and the second connecting shaft passes through the second through hole, the second flat gasket and the second spring assembly in sequence and is threadedly connected to the second nut.

[0010] Preferably, the second spring sheet assembly is formed by stacking a plurality of second spring washers.

[0011] Preferably, the flip-type shaft also includes a locking member and a protective shell covering the rotating connection member, the protective shell is connected to the rotating connection member through the locking member, and the first tensioning adjustment component and the second tensioning adjustment component are both accommodated in the protective shell.

[0012] Preferably, the rotary connector is extended with a connecting portion, the connecting portion is provided with a screw hole, the protective shell is provided with a clearance hole, the locking member is a screw, the screw passes through the clearance hole and is threadedly connected to the screw hole.

[0013] Preferably, the protective shell is provided with a card slot, and the connecting portion extends with a card block that is engaged with the card slot.

[0014] The beneficial effects of the present invention are as follows: the flip-top rotating shaft of the present invention adopts the mutual cooperation of the fixed frame, the first connecting shaft, the rotating connecting piece, the first tensioning adjustment component, the second connecting shaft, the movable frame and the second tensioning adjustment component, and the first connecting shaft sequentially passes through the first guide groove and the first through hole and is connected to the first tensioning adjustment component, and the second connecting shaft sequentially passes through the second through hole and the second guide groove and is connected to the second tensioning adjustment component; during the actual operation of the flip-top rotating shaft, the first connecting shaft slides along the first guide groove to cooperate with the rotating connecting piece to flip, and the second connecting shaft and the second guide groove are connected. The sliding cooperation of the groove enables the movable frame to rotate, and in this process, the relative positions of the fixed frame and the rotating connecting piece, as well as the relative positions of the rotating connecting piece and the movable frame are changed, thereby realizing multi-angle flipping of the movable frame. When the flip-top type shaft is applied to flip-top products, even if the lower cover and the upper cover of the flip-top product are tightly abutted when closed, when flipping, the double-axis linkage structure of the flip-top type shaft can allow the edges of the lower cover and the upper cover to have a certain gap, so as to avoid the edges of the lower cover and the upper cover being stuck after flipping to a certain angle and limiting the flip angle, thereby better meeting the sensory needs of consumers.

[0015] In addition, the flip-top rotating shaft of the present invention can achieve the effect of adjustable torque on both the first connecting shaft and the second connecting shaft by cooperating the first tension adjustment component with the first connecting shaft and the second tension adjustment component with the second connecting shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the initial state of the present invention;

[0017] Figure 2 It is an exploded schematic diagram of the present invention;

[0018] Figure 3 It is an exploded schematic diagram of another viewing angle of the present invention;

[0019] Figure 4 It is a schematic diagram of the flipping process of the present invention;

[0020] Figure 5 It is a schematic diagram of the fully flipped state of the present invention.

[0021] The accompanying drawings are marked as follows: 1. fixed frame; 2. first connecting shaft; 3. rotating connecting piece; 4. first tensioning adjustment assembly; 41. first spring assembly; 42. first flat gasket; 43. first nut; 5. second connecting shaft; 6. movable frame; 7. second tensioning adjustment assembly; 71. second flat gasket; 72. second spring assembly; 73. second nut; 8. first guide groove; 9. first through hole; 10. second through hole; 11. second guide groove; 12. first guide block; 13. second guide block; 14. third guide block; 15. fourth guide block; 16. first screw thread; 17. second screw thread; 18. locking piece; 19. protective shell; 20. connecting part; 21. screw hole; 22. clearance hole; 23. slot; 24. block. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0023] like Figure 1-5As shown, a flip-type rotating shaft includes a fixed frame 1, a first connecting shaft 2, a rotating connecting member 3, a first tensioning adjustment component 4, a second connecting shaft 5, a movable frame 6 and a second tensioning adjustment component 7, the rotating connecting member 3 is arranged between the fixed frame 1 and the movable frame 6, the fixed frame 1 is provided with a first guide groove 8, the rotating connecting member 3 is provided with a first through hole 9 and a second through hole 10, the movable frame 6 is provided with a second guide groove 11, the first connecting shaft 2 sequentially passes through the first guide groove 8 and the first through hole 9 and is connected to the first tensioning adjustment component 4, the second connecting shaft 5 sequentially passes through the second through hole 10 and the second guide groove 11 and is connected to the second tensioning adjustment component 7; when the movable frame 6 is flipped, the first connecting shaft 2 slides along the first guide groove 8 to cooperate with the flipping of the rotating connecting member 3, and the second connecting shaft 5 slides along the second guide groove 11 to cooperate with the rotation of the movable frame 6.

[0024] The flip-top rotating shaft adopts the mutual cooperation of the fixed frame 1, the first connecting shaft 2, the rotating connecting member 3, the first tensioning adjustment component 4, the second connecting shaft 5, the movable frame 6 and the second tensioning adjustment component 7, and the first connecting shaft 2 sequentially passes through the first guide groove 8 and the first through hole 9 and is connected to the first tensioning adjustment component 4, and the second connecting shaft 5 sequentially passes through the second through hole 10 and the second guide groove 11 and is connected to the second tensioning adjustment component 7; during the actual operation of the flip-top rotating shaft, the first connecting shaft 2 slides along the first guide groove 8 to cooperate with the rotating connecting member 3 to flip (such as Figure 4 As shown), and the second connecting shaft 5 and the second guide groove 11 slide together to make the movable frame 6 rotate (as shown Figure 5 As shown), and in this process, the relative positions of the fixed frame 1 and the rotating connector 3, and the relative positions of the rotating connector 3 and the movable frame 6 are changed, so as to realize the multi-angle flipping of the movable frame 6 of 0°-115°. When the flip-top rotating shaft is applied to the flip-top product, even if the lower cover and the upper cover of the flip-top product are tightly against each other when closed, the edges of the lower cover and the upper cover can obtain a certain gap when flipping by virtue of the double-axis linkage structure of the flip-top rotating shaft, so as to avoid the edges of the lower cover and the upper cover being stuck after flipping to a certain angle and limiting the flip angle, which can better meet the sensory needs of consumers. Further, the first guide groove 8 and the second guide groove 11 are both arc-shaped.

[0025] In addition, the flip-top shaft of the present invention can achieve the effect of adjustable torque on both the first connecting shaft 2 and the second connecting shaft 5 by cooperating the first tensioning adjustment component 4 with the first connecting shaft 2 and the second tensioning adjustment component 7 with the second connecting shaft 5 .

[0026] In this embodiment, a first guide block 12 is disposed on a surface of the fixing frame 1 close to the rotating connector 3 , and the rotating connector 3 is provided with a second guide block 13 that is slidably matched with the first guide block 12 .

[0027] By adopting the above technical solution, the first guide block 12 and the second guide block 13 are slidably matched, and the first connecting shaft 2 and the first guide groove 8 are slidably matched. The two work together to promote the relative position of the fixed frame 1 and the rotating connecting member 3 to change along their sliding trajectory, which is more conducive to the rotating connecting member 3 to complete the flipping.

[0028] In this embodiment, a third guide block 14 is provided on a surface of the rotary connector 3 close to the movable frame 6 , and the movable frame 6 is provided with a fourth guide block 15 slidably matched with the third guide block 14 .

[0029] By adopting the above technical solution, the third guide block 14 and the fourth guide block 15 are slidably matched, and the second connecting shaft 5 and the second guide groove 11 are slidably matched. The two work together to promote the relative position of the rotating connecting member 3 and the movable frame 6 to change along its sliding trajectory, which is more conducive to the flipping of the movable frame 6.

[0030] In this embodiment, a first screw thread 16 is provided at one end of the first connecting shaft 2 connected to the first tensioning adjustment component 4, and the first tensioning adjustment component 4 includes a first spring assembly 41, a first flat gasket 42 and a first nut 43 abutting against each other in sequence, and the first connecting shaft 2 passes through the first through hole 9, the first spring assembly 41 and the first flat gasket 42 in sequence and is threadedly connected to the first nut 43.

[0031] By adopting the above technical solution, the torque of the first connecting shaft 2 can be adjusted in a limited space. The first flat plate washer 42 is arranged to abut against the first nut 43 to increase the friction force, which is more conducive to improving its torque stability.

[0032] In this embodiment, the first spring sheet assembly 41 is formed by stacking a plurality of first spring washers.

[0033] The above technical solution is adopted to provide torque for the first connecting shaft 2; preferably, the number of the first spring washers is four.

[0034] In this embodiment, a second screw thread 17 is provided at one end of the second connecting shaft 5 connected to the second tensioning adjustment assembly 7. The second tensioning adjustment assembly 7 includes a second flat gasket 71, a second spring assembly 72 and a second nut 73 that abut against each other in sequence. The second connecting shaft 5 passes through the second through hole 10, the second flat gasket 71 and the second spring assembly 72 in sequence and is threadedly connected to the second nut 73.

[0035] By adopting the above technical solution, the torque of the second connecting shaft 5 can be adjusted in a limited space. The second flat plate gasket 71 is arranged to abut against the movable frame 6 to increase the friction force, which is more conducive to improving its torque stability.

[0036] In this embodiment, the second elastic sheet assembly 72 is formed by stacking a plurality of second spring washers.

[0037] The above technical solution is adopted to provide torque for the second connecting shaft 5; preferably, the number of the second spring washers is three.

[0038] In this embodiment, the flip-type shaft also includes a locking member 18 and a protective shell 19 covering the rotating connection member 3. The protective shell 19 is connected to the rotating connection member 3 through the locking member 18, and the first tensioning adjustment component 4 and the second tensioning adjustment component 7 are both accommodated in the protective shell 19.

[0039] The above technical solution is helpful to protect some parts of the flip-type shaft from being damaged by touch on the one hand, and hides some parts of the flip-type shaft on the other hand, which is more visually appealing.

[0040] In this embodiment, the rotating connector 3 extends with a connecting portion 20, the connecting portion 20 has a screw hole 21, the protective shell 19 has a clearance hole 22, and the locking member 18 is a screw that passes through the clearance hole 22 and is threadedly connected to the screw hole 21.

[0041] By adopting the above technical solution, the rotatable connector 3 is fixedly connected to the protective shell 19 through the locking member 18, thereby improving the connection stability and assembly convenience of the protective shell 19.

[0042] In this embodiment, the protective shell 19 is provided with a card slot 23 , and the connecting portion 20 is extended with a card block 24 that is engaged with the card slot 23 .

[0043] The above technical solution makes it easier to assemble the protective shell 19 on the rotating connector 3. Moreover, the block 24 is engaged with the slot 23, and the screw passes through the clearance hole 22 and is threadedly connected with the screw hole 21. The two work together to further improve the connection stability of the protective shell 19 and prevent the protective shell 19 from loosening and affecting the use effect.

[0044] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention may also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the protection scope of the present invention.

Claims

1. A flip-cover type rotating shaft, characterized in that: The invention comprises a fixed frame, a first connecting shaft, a rotating connecting piece, a first tensioning adjustment assembly, a second connecting shaft, a movable frame and a second tensioning adjustment assembly, wherein the rotating connecting piece is arranged between the fixed frame and the movable frame, the fixed frame is provided with a first guide groove, the rotating connecting piece is provided with a first through hole and a second through hole, the movable frame is provided with a second guide groove, the first connecting shaft sequentially passes through the first guide groove and the first through hole and is connected to the first tensioning adjustment assembly, the second connecting shaft sequentially passes through the second through hole and the second guide groove and is connected to the second tensioning adjustment assembly; when the movable frame is flipped, the first connecting shaft slides along the first guide groove to cooperate with the flipping of the rotating connecting piece, and the second connecting shaft slides along the second guide groove to cooperate with the rotation of the movable frame.

2. The flip-type rotating shaft according to claim 1, characterized in that: A first guide block is disposed on a surface of the fixing frame close to the rotating connecting member, and the rotating connecting member is provided with a second guide block that is slidably matched with the first guide block.

3. The flip-top shaft according to claim 1, characterized in that: A third guide block is arranged on a side of the rotating connecting member close to the movable frame, and the movable frame is provided with a fourth guide block which is slidably matched with the third guide block.

4. The flip-top shaft according to claim 1, characterized in that: A first screw thread is provided at one end of the first connecting shaft connected to the first tensioning adjustment assembly. The first tensioning adjustment assembly includes a first spring assembly, a first flat gasket and a first nut that abut against each other in sequence. The first connecting shaft passes through the first through hole, the first spring assembly and the first flat gasket in sequence and is threadedly connected to the first nut.

5. The flip-type rotating shaft according to claim 4, characterized in that: The first spring sheet assembly is formed by stacking a plurality of first spring washers.

6. The flip-top shaft according to claim 1, characterized in that: A second screw thread is provided at one end of the second connecting shaft connected to the second tensioning adjustment assembly. The second tensioning adjustment assembly includes a second flat plate gasket, a second spring assembly and a second nut which abut against each other in sequence. The second connecting shaft passes through the second through hole, the second flat plate gasket and the second spring assembly in sequence and is threadedly connected to the second nut.

7. The flip-top shaft according to claim 6, characterized in that: The second spring sheet assembly is formed by stacking a plurality of second spring washers.

8. The flip-top rotating shaft according to claim 1, characterized in that: The flip-top shaft also includes a locking member and a protective shell covering the rotating connection member, the protective shell is connected to the rotating connection member through the locking member, and the first tensioning adjustment component and the second tensioning adjustment component are both accommodated in the protective shell.

9. The flip-type rotating shaft according to claim 8, characterized in that: The rotary connector extends to have a connecting portion, the connecting portion is provided with a screw hole, the protective shell is provided with a clearance hole, the locking member is a screw, the screw passes through the clearance hole and is threadedly connected with the screw hole.

10. The flip-type rotating shaft according to claim 9, characterized in that: The protective shell is provided with a card slot, and the connecting portion is extended with a card block that is card-engaged with the card slot.