CN220081918U - Torsional spring damping type rotating shaft - Google Patents
Torsional spring damping type rotating shaft Download PDFInfo
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- CN220081918U CN220081918U CN202321238696.2U CN202321238696U CN220081918U CN 220081918 U CN220081918 U CN 220081918U CN 202321238696 U CN202321238696 U CN 202321238696U CN 220081918 U CN220081918 U CN 220081918U
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- 238000013016 damping Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of keyboard rotating shafts of tablet computers, in particular to a torsion spring damping type rotating shaft, which comprises a mandrel, an elastic power assisting component, a rotating component and a tensioning adjusting component, wherein the elastic power assisting component, the rotating component and the tensioning adjusting component are in transmission connection with the mandrel; one end of dabber runs through elasticity helping hand subassembly and rotating assembly in proper order and with tensioning adjustment subassembly fixed connection, makes this torsional spring damping formula pivot be integral type structure, has avoided elasticity helping hand subassembly to break away from the dabber easily, more is favorable to this torsional spring damping formula pivot whole transportation, has also avoided additionally using the setting element and has increased processing cost and the equipment degree of difficulty, is favorable to improving the packaging efficiency of later stage keyboard pivot.
Description
Technical Field
The utility model relates to the technical field of keyboard rotating shafts of tablet computers, in particular to a torsion spring damping type rotating shaft.
Background
The tablet personal computer is also called a portable computer (TabletPersonalComputer, tabletPC), is a small and portable personal computer, and uses a touch screen as a basic input device. It has a touch screen (also known as digitizer technology) that allows a user to work with a stylus or digital pen rather than a conventional keyboard or mouse. The user may enter through built-in handwriting recognition, an on-screen soft keyboard, voice recognition, or a real keyboard if the model is equipped.
The existing keyboard rotating shaft for the tablet personal computer mostly adopts concave-convex wheels to cooperate with damping, however, the structure can enable the tablet personal computer to stably keep the position state after being turned over so as to prevent the tablet personal computer from being turned over under the action of gravity, but the tablet personal computer can be turned over by using larger force with two hands in the process of opening the tablet personal computer, and the tablet personal computer is not beneficial to users. Although a keyboard rotating shaft of the prior patent CN202121821409.1 can solve the above problems, the limiting rotating shaft assembly adopts a rotating shaft, and a resistance connecting assembly, an elastic power assisting assembly and a positioning member which are abutted in sequence; for the independent spacing pivot subassembly, elasticity helping hand subassembly and setting element are all not fixed with the axis of rotation, need be with the help of the cooperation relation that fixed hinge was located to resistance coupling assembling and setting element all card, just avoid elasticity helping hand subassembly not hard up and can give full play to its helping hand effect, the setting element that increases still need additionally open the spacing groove at the lateral wall, the processing degree of difficulty is big, with high costs, spacing pivot subassembly needs again with elasticity helping hand subassembly and setting element equipment fixed when assembling with fixed hinge and movable hinge moreover, be unfavorable for the transportation of spacing pivot subassembly, also increased the equipment degree of difficulty of later stage keyboard pivot, the packaging efficiency has been reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a torsion spring damping type rotating shaft.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a torsional spring damping formula pivot, includes dabber, and all with dabber transmission connection's elasticity helping hand subassembly, rotating assembly and tensioning adjustment subassembly, the one end of dabber runs through elasticity helping hand subassembly and rotating assembly in proper order and with tensioning adjustment subassembly fixed connection.
Preferably, the elastic power assisting component comprises a first torsion spring connecting piece, a torsion spring and a second torsion spring connecting piece which are sequentially sleeved on the mandrel, two ends of the torsion spring are fixedly connected with the first torsion spring connecting piece and the second torsion spring connecting piece respectively, the first torsion spring connecting piece is connected with the mandrel in a transmission mode, and the second torsion spring connecting piece is connected with the rotating component in a transmission mode.
Preferably, the outer side wall of the first torsion spring connecting piece is provided with a first inserting part in a protruding mode, and the first inserting part is provided with a first inserting hole; the outer side wall of the second torsion spring connecting piece is provided with a second inserting part in a protruding mode, and the second inserting part is provided with a second inserting hole; the two ends of the torsion spring are respectively inserted into the first jack and the second jack.
Preferably, the rotating assembly comprises a limiting cam and a linkage sleeve which are sequentially sleeved on the mandrel, the limiting cam is used for limiting the rotation angle of the mandrel, and the linkage sleeve is fixedly connected with the limiting cam.
Preferably, a first clamping groove is formed in one end, close to the limit cam, of the linkage sleeve, and a first clamping protrusion matched with the first clamping groove in a clamping manner is protruded from the outer side wall of the limit cam; the lateral wall of linkage cover is provided with first anti-skidding line.
Preferably, the rotating assembly further comprises a concave wheel and a first cam which are sequentially sleeved on the mandrel, the first cam is in transmission connection with the mandrel, the first cam and the concave wheel are matched to increase the rotating resistance of the mandrel, and the linkage sleeve is fixedly connected with the concave wheel.
Preferably, a second clamping groove is formed in one end, close to the concave wheel, of the linkage sleeve, and a second clamping protrusion matched with the second clamping groove in a clamping manner protrudes out of the outer side wall of the concave wheel.
Preferably, the tensioning adjusting assembly comprises a spring plate assembly, a flat plate gasket and a nut which are sequentially sleeved on the mandrel, and the tail end of the mandrel is provided with a screw thread matched with the nut in a threaded manner.
Preferably, the mandrel comprises a long shaft end, a fixed shaft end and a damping disc arranged between the fixed shaft end and the long shaft end, and the long shaft end sequentially penetrates through the elastic power assisting component and the rotating component and is fixedly connected with the tensioning adjusting component.
Preferably, the outer side wall of the fixed shaft end is provided with second anti-skid patterns.
The utility model has the beneficial effects that: according to the torsional spring damping type rotating shaft, one end of the mandrel sequentially penetrates through the elastic power assisting component and the rotating component and is fixedly connected with the tensioning adjusting component, so that the torsional spring damping type rotating shaft is of an integrated structure, the elastic power assisting component is prevented from being easily separated from the mandrel, the whole transportation of the torsional spring damping type rotating shaft is facilitated, the additional use of a locating piece is avoided, the processing cost and the assembly difficulty are increased, and the assembly efficiency of the later-stage keyboard rotating shaft is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded schematic view of the present utility model;
the reference numerals are: 1. a first anti-skid pattern; 2. an elastic power assisting component; 21. a first torsion spring connector; 22. a torsion spring; 23. a second torsion spring connector; 3. a rotating assembly; 31. a limit cam; 32. a linkage sleeve; 33. a concave wheel; 34. a first cam; 4. a tension adjustment assembly; 41. a spring assembly; 42. a flat gasket; 43. a nut; 5. a mandrel; 51. a long shaft end; 52. fixing the shaft end; 53. damping discs; 6. a first plug-in connection; 7. a first jack; 8. a second plug-in connection; 9. a second jack; 10. a first clamping groove; 11. the first clamping protrusion; 12. a second clamping groove; 13. the second clamping protrusion; 14. screw threads; 15. and second anti-skid lines.
Detailed Description
The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
As shown in fig. 1-2, a torsion spring damping type rotating shaft comprises a mandrel 5, and an elastic power assisting component 2, a rotating component 3 and a tensioning adjusting component 4 which are in transmission connection with the mandrel 5, wherein one end of the mandrel 5 sequentially penetrates through the elastic power assisting component 2 and the rotating component 3 and is fixedly connected with the tensioning adjusting component 4.
This torsional spring damping formula pivot, the one end of dabber 5 runs through elasticity helping hand subassembly 2 and rotating assembly 3 in proper order and with tensioning adjustment subassembly 4 fixed connection, makes this torsional spring damping formula pivot be integrated into one piece structure, has avoided elasticity helping hand subassembly 2 to break away from dabber 5 easily, more is favorable to this torsional spring damping formula pivot whole transportation, has also avoided additionally using the setting element and has increased processing cost and equipment degree of difficulty, is favorable to improving the packaging efficiency of later stage keyboard pivot. When the keyboard pivot in-service installation is used, the lateral wall of rotating assembly 3 supports with the inside wall of the fixed hinge of keyboard pivot and leans against, and the one end that tensioning adjustment assembly 4 was kept away from to dabber 5 is with the movable hinge joint of keyboard pivot.
Further, the elastic power assisting component 2 comprises a first torsion spring connecting piece 21, a torsion spring 22 and a second torsion spring connecting piece 23 which are sequentially sleeved on the mandrel 5, two ends of the torsion spring 22 are fixedly connected with the first torsion spring connecting piece 21 and the second torsion spring connecting piece 23 respectively, the first torsion spring connecting piece 21 is in transmission connection with the mandrel 5, and the second torsion spring connecting piece 23 is in transmission connection with the rotating component 3. Utilize torsion spring 22's torsional force, but the torsion size of torsion spring 22 is so adjusted to the adjustable tensioning adjustment subassembly 4 in the installation, can torsion spring 22 realize helping hand dabber 5's rotation when opening movable hinge to reduce the resistance of opening movable hinge, also can increase the resistance of closing movable hinge, when this torsional spring damping formula pivot was applied to the keyboard pivot of panel computer, avoided needing both hands to use great power in order to overturn panel computer at opening panel computer in-process, more be convenient for the user to use, also avoided closing panel computer in-process merging speed too fast and collision strength too big leads to damaging.
Further, a first inserting portion 6 protrudes from the outer side wall of the first torsion spring connecting piece 21, and a first inserting hole 7 is formed in the first inserting portion 6; the outer side wall of the second torsion spring connecting piece 23 is provided with a second inserting part 8 in a protruding mode, and the second inserting part 8 is provided with a second inserting hole 9; the two ends of the torsion spring 22 are respectively inserted into the first insertion hole 7 and the second insertion hole 9, so that the installation efficiency and the connection stability of the torsion spring 22 are improved.
Further, the rotating assembly 3 comprises a limiting cam 31 and a linkage sleeve 32 which are sequentially sleeved on the mandrel 5, the limiting cam 31 is used for limiting the rotation angle of the mandrel 5, and the linkage sleeve 32 is fixedly connected with the limiting cam 31. In practical application, the outer side wall of the linkage sleeve 32 is abutted against the inner side wall of the fixed hinge of the keyboard rotating shaft.
Further, a first clamping groove 10 is formed in one end, close to the limit cam 31, of the linkage sleeve 32, and a first clamping protrusion 11 in clamping fit with the first clamping groove 10 protrudes from the outer side wall of the limit cam 31; the outer side wall of the linkage sleeve 32 is provided with first anti-skid patterns 1. The first clamping convex 11 is matched with the first clamping groove 10 in a clamping way, so that the connection stability of the linkage sleeve 32 and the limit cam 31 is improved. The first anti-skid stripes 1 are more beneficial to improving the connection tightness of the linkage sleeve 32 and the fixed hinge when the keyboard rotating shaft is assembled, and the tight fit effect is improved.
Further, the rotating assembly 3 further comprises a concave wheel 33 and a first cam 34 which are sequentially sleeved on the mandrel 5, the first cam 34 is in transmission connection with the mandrel 5, the first cam 34 and the concave wheel 33 are matched to increase the rotating resistance of the mandrel 5, and the linkage sleeve 32 is fixedly connected with the concave wheel 33. The mandrel 5 rotates to drive the first cam 34 to rotate.
Further, the second clamping groove 12 is formed in one end, close to the concave wheel 33, of the linkage sleeve 32, and the second clamping protrusion 13 matched with the second clamping groove 12 in a clamping manner protrudes from the outer side wall of the concave wheel 33, so that the connection stability and the transmission stability of the linkage sleeve 32 and the concave wheel 33 are improved.
Further, the tensioning adjustment assembly 4 comprises a spring plate assembly 41, a flat plate gasket 42 and a nut 43 which are sequentially sleeved on the mandrel 5, a thread 14 which is in threaded fit with the nut 43 is arranged at the tail end of the mandrel 5, and the tensioning force among the elastic power assisting assembly 2, the rotating assembly 3, the spring plate assembly 41, the flat plate gasket 42 and the nut 43 can be adjusted by screwing the nut 43.
Further, the mandrel 5 includes a long shaft end 51, a fixed shaft end 52, and a damping disc 53 disposed between the fixed shaft end 52 and the long shaft end 51, where the long shaft end 51 sequentially penetrates through the elastic booster component 2 and the rotating component 3 and is fixedly connected with the tensioning adjustment component 4.
Further, the second anti-slip patterns 15 are arranged on the outer side wall of the fixed shaft end 52, so that connection tightness between the fixed shaft end 52 and the movable hinge is improved when the keyboard rotating shaft is assembled, and a tight fit effect is improved.
The above embodiments are preferred embodiments of the present utility model, and besides, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.
Claims (7)
1. The utility model provides a torsional spring damping formula pivot which characterized in that: the device comprises a mandrel, and an elastic power-assisted assembly, a rotating assembly and a tensioning adjusting assembly which are all in transmission connection with the mandrel, wherein one end of the mandrel sequentially penetrates through the elastic power-assisted assembly and the rotating assembly and is fixedly connected with the tensioning adjusting assembly;
the elastic power assisting component comprises a first torsion spring connecting piece, a torsion spring and a second torsion spring connecting piece which are sequentially sleeved on the mandrel, two ends of the torsion spring are fixedly connected with the first torsion spring connecting piece and the second torsion spring connecting piece respectively, the first torsion spring connecting piece is in transmission connection with the mandrel, and the second torsion spring connecting piece is in transmission connection with the rotating component;
the rotating assembly comprises a limiting cam and a linkage sleeve which are sequentially sleeved on the mandrel, the limiting cam is used for limiting the rotation angle of the mandrel, and the linkage sleeve is fixedly connected with the limiting cam;
the tensioning adjusting assembly comprises a spring plate assembly, a flat plate gasket and a nut which are sequentially sleeved on the mandrel, and the tail end of the mandrel is provided with threads matched with the threads of the nut.
2. The torsion spring damping type rotary shaft according to claim 1, wherein: the outer side wall of the first torsion spring connecting piece is provided with a first inserting part in a protruding mode, and the first inserting part is provided with a first inserting hole; the outer side wall of the second torsion spring connecting piece is provided with a second inserting part in a protruding mode, and the second inserting part is provided with a second inserting hole; the two ends of the torsion spring are respectively inserted into the first jack and the second jack.
3. The torsion spring damping type rotary shaft according to claim 1, wherein: a first clamping groove is formed in one end, close to the limiting cam, of the linkage sleeve, and a first clamping protrusion matched with the first clamping groove in a clamping manner protrudes from the outer side wall of the limiting cam; the lateral wall of linkage cover is provided with first anti-skidding line.
4. The torsion spring damping type rotary shaft according to claim 1, wherein: the rotating assembly further comprises a concave wheel and a first cam which are sequentially sleeved on the mandrel, the first cam is in transmission connection with the mandrel, the first cam and the concave wheel are matched to increase the rotating resistance of the mandrel, and the linkage sleeve is fixedly connected with the concave wheel.
5. The torsion spring damping type rotary shaft according to claim 4, wherein: the second clamping groove is formed in one end, close to the concave wheel, of the linkage sleeve, and a second clamping protrusion matched with the second clamping groove in a clamping manner protrudes out of the outer side wall of the concave wheel.
6. The torsion spring damping type rotary shaft according to claim 1, wherein: the mandrel comprises a long shaft end, a fixed shaft end and a damping disc arranged between the fixed shaft end and the long shaft end, and the long shaft end sequentially penetrates through the elastic power assisting component and the rotating component and is fixedly connected with the tensioning adjusting component.
7. The torsion spring damping type rotary shaft according to claim 6, wherein: the outer side wall of the fixed shaft end is provided with second anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238696.2U CN220081918U (en) | 2023-05-19 | 2023-05-19 | Torsional spring damping type rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238696.2U CN220081918U (en) | 2023-05-19 | 2023-05-19 | Torsional spring damping type rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081918U true CN220081918U (en) | 2023-11-24 |
Family
ID=88814459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238696.2U Active CN220081918U (en) | 2023-05-19 | 2023-05-19 | Torsional spring damping type rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081918U (en) |
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2023
- 2023-05-19 CN CN202321238696.2U patent/CN220081918U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |