CN113280037A - Rotating shaft and electronic equipment - Google Patents
Rotating shaft and electronic equipment Download PDFInfo
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- CN113280037A CN113280037A CN202110738486.9A CN202110738486A CN113280037A CN 113280037 A CN113280037 A CN 113280037A CN 202110738486 A CN202110738486 A CN 202110738486A CN 113280037 A CN113280037 A CN 113280037A
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- transition
- stable position
- track
- damping
- rotating shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The embodiment of the invention relates to the field of rotating shafts, and discloses a rotating shaft and electronic equipment. The rotating shaft of the present invention comprises: the cam, the concave wheel and the rebound structural member are coaxially and rotatably connected through the rebound structural member, the rebound structural member provides a supporting force for the concave wheel, the concave wheel comprises an inner ring track and an outer ring track which are concentrically fixed, the track surface of the inner ring track at least comprises a first transition surface and a first stable position surface, the track surface of the outer ring track at least comprises a second transition surface and a second stable position surface, the cam comprises a first contact element and a second contact element which are mutually fixed and synchronously rotate, and when the first contact element is positioned on the first transition surface or the first stable position surface, the second contact element is respectively and correspondingly positioned on the second transition surface or the second stable position surface; the first contact piece rotates to the first stable position surface along the first transition surface under the action of the abutting force of the resilience structural member, and the second contact piece rotates to the second stable position surface along the second transition surface under the action of the abutting force so as to realize the resilience effect.
Description
Technical Field
The embodiment of the invention relates to the field of rotating shafts, in particular to a rotating shaft and electronic equipment.
Background
At present, electronic equipment generally comprises a rotating shaft structure, and the rotating shaft structure is used for changing the angle between components in the electronic equipment, so that the electronic equipment is easier to operate by a user. The rotating shaft in the electronic device can usually achieve the rebound effect, and the design of the conventional rotating shaft with respect to the rebound angle usually achieves the rebound effect of 90 degrees under the condition that the rotating shaft can rotate 180 degrees, that is, the rotating shaft can rebound to the position of 0 degree within the range of 90 degrees.
The inventors found that at least the following problems exist in the related art: when a single rotating shaft is arranged in the electronic equipment to realize the rebound effect, the structure of the rotating shaft can only support the rebound effect within the range of 90 degrees at present, the rotating angle of the rotating shaft is also controlled to be about 180 degrees, and the limitation of 180 degrees cannot be broken away.
Disclosure of Invention
The embodiment of the invention aims to provide a rotating shaft and electronic equipment, which are used for getting rid of the limitation of rotation within 180 degrees of a single rotating shaft and realizing specific rebound angle under the condition of non-180 degrees only through one rotating shaft.
To solve the above technical problem, an embodiment of the present invention provides a spindle, including: the cam is connected with the concave wheel in a coaxial rotating mode through the rebound structural member, the rebound structural member provides a supporting force for the concave wheel, the concave wheel comprises an inner ring track and an outer ring track which are fixedly arranged concentrically, the track surface of the inner ring track at least comprises a first transition surface and a first stable position surface connected with the first transition surface, the track surface of the outer ring track at least comprises a second transition surface and a second stable position surface connected with the second transition surface, the cam comprises a first contact element and a second contact element which are fixed with each other and rotate synchronously, the first contact element rotates along the track surface of the inner ring track, the second contact element rotates along the track surface of the outer ring track, and when the first contact element is positioned on the first transition surface or the first stable position surface, the second contact element is respectively positioned on the second transition surface or the second stable position surface; the first contact piece can not stay on the first transition surface under the effect of the supporting force of the resilience structural member, and the first contact piece rotates to the first stable position surface along the first transition surface, and the second contact piece can not stay on the second transition surface under the effect of the supporting force, and the second contact piece rotates to the second stable position surface along the second transition surface.
An embodiment of the present invention further provides an electronic device, including: at least one of the rotating shafts.
Compared with the prior art, the concave wheel comprises an inner ring track and an outer ring track which are concentrically and fixedly arranged, the track surface of the inner ring track at least comprises a first transition surface and a first stable position surface connected with the first transition surface, the track surface of the outer ring track at least comprises a second transition surface and a second stable position surface connected with the second transition surface, because the resilience structural member of the rotating shaft provides a holding force for the concave wheel, and the first contact member rotating on the track surface of the inner ring track under the action of the holding force cannot be retained on the first transition surface, the first contact member can rotate to the first stable position surface along the first transition surface, meanwhile, the second contact piece rotating on the outer ring track surface under the action of the abutting force cannot stay on the second transition surface, and the second contact piece can rotate to the second stable position surface along the second transition surface, so that the rebound effect is realized. The rebound angle of the rotating shaft can be flexibly adjusted by changing the arrangement positions of the first stable position surface and the first transition surface on the track surface of the inner ring track and changing the arrangement positions of the second stable position surface and the second transition surface on the track surface of the outer ring track, so that the limitation of rotation within a 180-degree range of a single rotating shaft is eliminated, and the specific rebound angle under the condition of non-180 degrees is realized only by one rotating shaft.
In addition, the orbital track surface of inner circle still includes, with the first damping face of holding power direction looks vertically, first damping face and first stable position face are connected respectively in the both ends of first transition face, the orbital track surface of outer lane still includes: the second damping surface is vertical to the direction of the abutting force, and the second damping surface and the second stable position surface are respectively connected to two ends of the second transition surface; and when the first contact piece is positioned on the first damping surface, the second contact piece is positioned on the second damping surface. To provide a damping effect with the shaft.
In addition, the first damping surface and the second damping surface are both planes, and the first damping surface and the second damping surface are both vertical to the axis direction of the rotating shaft.
In addition, the first damping surface has a coefficient of friction greater than the coefficient of friction of the first transition surface, and the second damping surface has a coefficient of friction greater than the coefficient of friction of the second transition surface.
In addition, the plane of the first damping surface and the plane of the second damping surface are the same plane, and the plane of the first stable position surface and the plane of the second stable position surface are the same plane.
In addition, the joint of the first damping surface and the first transition surface and the joint of the first transition surface and the first stable position surface are in smooth transition; the joint of the second damping surface and the second transition surface and the joint of the second transition surface and the second stable position surface are in smooth transition.
In addition, during the rotation process of the first contact piece and the second contact piece, the cam and the concave wheel are far away from or close to each other in the action direction of the abutting force.
In addition, a first fixing piece is arranged on the side wall of the outer ring track facing the inner ring track, a second fixing piece is arranged on the side wall of the inner ring track facing the outer ring track, and the first fixing piece and the second fixing piece are mutually abutted in the rotating direction of the rotating shaft to concentrically fix the outer ring track and the inner ring track.
In addition, the pivot still includes: the casing, cam, concave wheel all set up the inside at the casing.
In addition, the cam also comprises two hanging platforms which are oppositely arranged, and the hanging platforms are fixed with the shell so as to drive the shell and the cam to synchronously rotate.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a construction of a concave wheel according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a cam and a pocket wheel according to an embodiment of the present invention;
fig. 4 is a schematic view of the entire structure of the rotating shaft according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.
Embodiments of the present invention relate to a spindle, as shown in fig. 1, including: a cam 1, a concave wheel 2 and a resilient structural member 3, wherein the cam 1 and the concave wheel 2 are coaxially and rotatably connected through the resilient structural member 3, and the resilient structural member 3 provides a holding force for the concave wheel 2, as shown in fig. 2, the concave wheel 2 comprises an inner ring track 21 and an outer ring track 22 which are concentrically and fixedly arranged, the track surface of the inner ring track 21 at least comprises a first transition surface 212, a first stable position surface 213 connected with the first transition surface 212, the track surface of the outer ring track 22 at least comprises a second transition surface 222, and a second stable position surface 223 connected with the second transition surface 222, the cam 1 comprises a first contact member 11 and a second contact member 12 which are mutually fixed and synchronously rotate, the first track contact member 11 rotates along the track surface of the inner ring track 21, and the second contact member 12 rotates along the track surface of the outer ring track 22, wherein when the first contact member 11 is located at the first transition surface 212 or the first stable position surface 213, the second contact member 12 is correspondingly located on the second transition surface 222 or the second stable position surface 223; the first contact member 11 does not stay on the first transition surface 212 under the biasing force of the resilient structural member 3, the first contact member 11 rotates to the first stable position surface 213 along the first transition surface 212, the second contact member 12 does not stay on the second transition surface 222 under the biasing force, and the second contact member 12 rotates to the second stable position surface 223 along the second transition surface 222.
Compared with the prior art, the concave wheel comprises an inner ring track and an outer ring track which are concentrically and fixedly arranged, the track surface of the inner ring track at least comprises a first transition surface and a first stable position surface connected with the first transition surface, the track surface of the outer ring track at least comprises a second transition surface and a second stable position surface connected with the second transition surface, because the resilience structural member of the rotating shaft provides a holding force for the concave wheel, and the first contact member rotating on the track surface of the inner ring track under the action of the holding force cannot be retained on the first transition surface, the first contact member can rotate to the first stable position surface along the first transition surface, meanwhile, the second contact piece rotating on the outer ring track surface under the action of the abutting force cannot stay on the second transition surface, and the second contact piece can rotate to the second stable position surface along the second transition surface, so that the rebound effect is realized. The rebound angle of the rotating shaft can be flexibly adjusted by changing the setting positions of the first stable position surface and the first transition surface on the track surface of the inner ring track and changing the setting positions of the second stable position surface and the second transition surface on the track surface of the outer ring track, so that the limitation of rotation within 180 degrees of the single rotating shaft is eliminated, and the specific rebound angle under the condition of non-180 degrees is realized.
As shown in fig. 2, the track surface of the inner track 21 further includes a first damping surface 211 perpendicular to the holding force direction, the first damping surface 211 and the first stable position surface 213 are connected to both ends of the first transition surface 212, and the track surface of the outer track 22 further includes: the second damping surface 221 is perpendicular to the direction of the abutting force, and the second damping surface 221 and the second stable position surface 223 are respectively connected to two ends of the second transition surface 222; when the first contact 11 is on the first damping surface 211, the second contact 12 is on the second damping surface 221. When the first contact piece rotates to the first damping surface, the second contact piece synchronously rotates to the second damping surface, the first contact piece can stably stay on the first damping surface under the action of no external force, and the second contact piece can stably stay on the second damping surface, so that the damping effect can be provided by utilizing the rotating shaft.
In addition, as shown in fig. 2, the first damping surface 211 and the second damping surface 221 are both planar surfaces, and the first damping surface 211 and the second damping surface 221 are both perpendicular to the axial direction of the rotating shaft. Since the first damping surface 211 and the second damping surface 221 are perpendicular to the axial direction, when the first contact 11 is on the first damping surface 211 and the second contact 12 is on the second damping surface 221, the contact can stay on the damping surface, and the distance between the cam and the sheave does not change.
In addition, the angle by which the first contact 11 can be rotated on the first damping surface 211 is larger than the angle by which the first contact 11 can be rotated on the first stable position surface 213. Similarly, the angle by which the second contact member 12 can rotate on the second damping surface 221 is larger than the angle by which the second contact member 12 can rotate on the second stable position surface 223.
In addition, the first damping surface 211 has a friction coefficient larger than that of the first transition surface 212, and the second damping surface 221 has a friction coefficient larger than that of the second transition surface 222. When the first contact member 11 rotates on the first damping surface 211, a damping effect is provided to the rotating shaft by a frictional force, for example, when the rotating shaft rotates between 90 degrees and 133 degrees, the first contact member 11 rotates on the first damping surface 211 and the second contact member 22 rotates on the second damping surface 221, the rotating shaft can be approximately regarded as a damping rotating shaft, and has no rebound effect. According to different arrangement modes of the track surface, the rotating angle range of the rotating shaft can be adjusted when the damping rotating shaft effect is realized.
In addition, the plane of the first damping surface 211 and the plane of the second damping surface 221 are the same plane, and the plane of the first stable position surface 213 and the plane of the second stable position surface 223 are the same plane. In the rotating process of the rotating shaft, the change value of the distance between the cam and the concave wheel is the same, namely, the two end surfaces of the cam far away from the concave wheel are always kept parallel.
In addition, the connection between the first damping surface 211 and the first transition surface 212 and the connection between the first transition surface 212 and the first stable position surface 213 are all in smooth transition; the junction between the second damping surface 221 and the second transition surface 222 and the junction between the second transition surface 222 and the second stable position surface 223 are all in smooth transition. Thereby being convenient for the rotation of the rotating shaft and avoiding the jamming condition.
In addition, during the rotation of the first contact member 11 and the second contact member 12, the cam 1 and the concave wheel 2 move away from or close to each other in the direction of the action of the abutting force.
In addition, a first fixing member is disposed on a side wall of the outer ring track 22 facing the inner ring track 21, a second fixing member is disposed on a side wall of the inner ring track 21 facing the outer ring track 22, and the first fixing member and the second fixing member abut against each other in a rotation direction of the rotating shaft to concentrically fix the outer ring track and the inner ring track. Alternatively, the outer ring track 22 and the inner ring track 21 may be fixed concentrically by an adhesive, or may be fixed by a fixing structure such as a screw.
In addition, the resilience structure piece comprises a spring, a pin and a clamping piece, wherein the spring is abutted against the concave wheel, the pin sequentially penetrates through the cam, the concave wheel and the spring, and finally the pin is clamped with the clamping piece, so that the cam, the concave wheel and the spring are clamped between the pin and the clamping piece.
In addition, as shown in fig. 4, the rotation shaft further includes: the shell 4, the cam and the concave wheel are all arranged inside the shell 4. The spring is also provided inside the housing 4, and the pin 31 penetrates the cam, and the spring outside the housing 4 and engages with an engaging piece 33 on the other side of the housing 4.
In addition, as shown in fig. 2, the cam 1 further includes two hanging platforms 13 oppositely disposed, and the hanging platforms 13 are fixed to the housing to drive the housing and the cam to rotate synchronously.
In addition, the first transition surface can be set to be a combination of a plurality of planes with different slopes, the second transition surface and the first transition surface are correspondingly set with the same number of planes according to the same rule, the planes with different slopes provide different rebound effects for the rotating shaft, wherein the rebound speed is higher when the slope is larger, and the rebound speed is lower when the slope is smaller.
The following description is made of the turning process of the rotating shaft as a whole by an example:
assuming that the rotation axis is at 0 degrees, the contact is in a stable position plane. When the pivot rotated at 0 degree to 90 degrees, the contact rotated on the transition face, provided the resilience effect for the pivot, when the pivot rotated at any angle between 0 degree to 90 degrees, the pivot all rebounded to 0 degree. When the rotating shaft rotates at 90-133 degrees, the contact piece is positioned on the damping surface, and the rotating shaft is similar to a damping rotating shaft at the moment, so that the damping effect is realized. When the rotating shaft rotates at 133 degrees to 223 degrees, the contact piece is positioned on the other transition surface, and the rebound effect is also provided for the rotating shaft.
In addition, the number of the damping surfaces, the transition surfaces and the stable position surfaces can be changed according to the actual requirement.
An embodiment of the present invention relates to an electronic device, including: at least one of the rotating shafts. The electronic device may be an in-vehicle device or the like.
Compared with the related art, the electronic device provided by the embodiment of the invention is provided with the rotating shaft provided by the embodiment, so that the electronic device also has the technical effects provided by the embodiment, and further description is omitted.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. A spindle, comprising: the cam and the concave wheel are coaxially and rotatably connected through the rebound structural member, the rebound structural member provides a supporting force for the concave wheel,
the concave wheel comprises an inner ring track and an outer ring track which are concentrically and fixedly arranged, the track surface of the inner ring track at least comprises a first transition surface and a first stable position surface connected with the first transition surface, the track surface of the outer ring track at least comprises a second transition surface and a second stable position surface connected with the second transition surface,
the cam comprises a first contact element and a second contact element which are fixed with each other and rotate synchronously, the first contact element rotates along the track surface of the inner ring track, and the second contact element rotates along the track surface of the outer ring track, wherein when the first contact element is positioned on the first transition surface or the first stable position surface, the second contact element is correspondingly positioned on the second transition surface or the second stable position surface respectively;
the first contact piece cannot be retained on the first transition surface under the action of the abutting force of the resilient structural member, the first contact piece rotates to the first stable position surface along the first transition surface, the second contact piece cannot be retained on the second transition surface under the action of the abutting force, and the second contact piece rotates to the second stable position surface along the second transition surface.
2. The rotating shaft according to claim 1, wherein the track surface of the inner race track further includes a first damping surface perpendicular to the abutting force direction, the first damping surface and the first stable position surface are respectively connected to both ends of the first transition surface, and the track surface of the outer race track further includes: the second damping surface is perpendicular to the direction of the abutting force, and the second damping surface and the second stable position surface are respectively connected to two ends of the second transition surface; wherein the first contact member is at the first damping surface and the second contact member is at the second damping surface.
3. A spindle according to claim 2, characterised in that the first damping surface has a coefficient of friction which is greater than the coefficient of friction of the first transition surface and the second damping surface has a coefficient of friction which is greater than the coefficient of friction of the second transition surface.
4. The rotating shaft according to claim 2, wherein the plane of the first damping surface and the plane of the second damping surface are the same plane, and the plane of the first stable position surface and the plane of the second stable position surface are the same plane.
5. A rotating shaft according to any one of claims 2 to 4, wherein the junction of the first damping surface and the first transition surface and the junction of the first transition surface and the first stable position surface are all in smooth transition;
and the joint of the second damping surface and the second transition surface and the joint of the second transition surface and the second stable position surface are in smooth transition.
6. The rotating shaft according to any one of claims 1 to 4, wherein the cam and the concave wheel move away from or close to each other in the direction of the action of the abutting force during the rotation of the first contact member and the second contact member.
7. The rotating shaft according to claim 1, wherein a first fixing member is disposed on a side wall of the outer ring track facing the inner ring track, and a second fixing member is disposed on a side wall of the inner ring track facing the outer ring track, and the first fixing member and the second fixing member abut against each other in a rotation direction of the rotating shaft to concentrically fix the outer ring track and the inner ring track.
8. A hinge according to any one of claims 1 to 3, further comprising: the shell, cam, concave wheel all set up the inside of shell.
9. The hinge of claim 8, wherein the cam further comprises two hanging platforms oppositely disposed, and the hanging platforms are fixed to the housing to drive the housing and the cam to rotate synchronously.
10. An electronic device, comprising: a spindle as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110738486.9A CN113280037B (en) | 2021-06-30 | 2021-06-30 | Rotating shaft and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110738486.9A CN113280037B (en) | 2021-06-30 | 2021-06-30 | Rotating shaft and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113280037A true CN113280037A (en) | 2021-08-20 |
| CN113280037B CN113280037B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110738486.9A Active CN113280037B (en) | 2021-06-30 | 2021-06-30 | Rotating shaft and electronic equipment |
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| CN (1) | CN113280037B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992230A (en) * | 2021-12-30 | 2022-09-02 | 荣耀终端有限公司 | Foldable electronic equipment |
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| CN113280037B (en) | 2022-08-19 |
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