CN203394988U - Novel friction rotating shaft gemel - Google Patents
Novel friction rotating shaft gemel Download PDFInfo
- Publication number
- CN203394988U CN203394988U CN201320163049.XU CN201320163049U CN203394988U CN 203394988 U CN203394988 U CN 203394988U CN 201320163049 U CN201320163049 U CN 201320163049U CN 203394988 U CN203394988 U CN 203394988U
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- Prior art keywords
- rotating shaft
- friction
- thruster
- hinge
- shaft
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Abstract
The utility model provides a novel friction rotating shaft gemel which comprises a rotating shaft; the rotating shaft is a metal rotating shaft; the gemel is also provided with a rotary support part of the rotating shaft; the rotary support part is provided with a lateral thrust extrusion friction fit elastic structure matched with the rotating shaft. According to the novel friction rotating shaft gemel, the rotating shaft is supported by the rotary support part in a rotating way, and lateral thrust extrusion friction fit is carried out on the rotating shaft by the elastic structure, so that enough constant torque is generated, and the novel friction rotating shaft gemel has a function of 'stopping at any time' capable of resisting 300N. mm rotating torque; furthermore, the novel friction rotating shaft gemel is very convenient to manufacture and firmer in structure.
Description
Technical field
The utility model relates to hinge, relates in particular to and applies to portable type electronic product terminal, such as mobile phone, notebook computer, gaming machine etc.
Background technique
Along with the slimming day by day of the portable type electronic product terminals such as mobile phone, notebook computer, gaming machine, to using the requirement of linkage structure wherein harsher.Such as shaft hinge, not only require it more tiny, and every mechanical index still to meet normal usage requirement.For friction shaft hinge, once that axle is reduced to is very tiny, the frictional force between itself and axle sleeve is difficult to up to standard.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of novel friction shaft hinge, and it is reduced to very thin in the situation that in rotating shaft, still can apply enough frictional force by countershaft.For this reason, the utility model is by the following technical solutions:
Novel friction shaft hinge, comprises rotating shaft, it is characterized in that: described rotating shaft is metal rotating shaft, and described hinge is also provided with the swivel bearing part of rotating shaft, and described swivel bearing part is provided with the elastic structure of the thruster extrusion friction cooperation coordinating with rotating shaft.
Adopting on the basis of technique scheme, the utility model also can adopt following further technological scheme:
Described elastic structure is brake slipper, described brake slipper has the space that holds rotating shaft part side, on described brake slipper in the position of rotating shaft process, along rotating shaft, circumferentially there is a plurality of rotating shaft supports position, wherein at least one support zone is thruster extrusion friction arc surface, the diameter of thruster extrusion friction arc surface is less than the diameter of metal rotating shaft, between described thruster extrusion friction arc surface and metal rotating shaft for thruster extrusion friction coordinates, described thruster extrusion friction arc surface is in elastic base, described brake slipper is provided with rotating shaft support position on the opposite of thruster extrusion friction arc surface.
Described elastic base is the cantilever on brake slipper.
The inner side of described swivel bearing part has the connection part that the main body for being fixed on it is connected, and described brake slipper is connected on described connection part.
Described brake slipper is in the inner side of described rotating shaft.
Described elastic structure comprises the elastic element of friction catch piece and support friction catch piece, and described friction catch piece has the arc surface coordinating with described rotating shaft thruster extrusion friction.
The inner side of described swivel bearing part has the connection part that the main body for being fixed on it is connected, and described elastic structure is in the inner side of described rotating shaft.
Described elastic element is that corrugated spring sheet or other deformed spring sheet are all passable.
Described swivel bearing part is metal injection moulding part (MIM); Described swivel bearing part has the connection part that the main body for being fixed on it is connected the bearing hole at swivel bearing part two ends with described rotating shaft, and described elastic structure is between described two bearing hole.
The diameter of described rotating shaft is between 1.4mm to 2.4mm.
Owing to adopting the technical solution of the utility model, the utility model provides swivel bearing by swivel bearing part countershaft, by elastic structure countershaft, carry out the cooperation of thruster extrusion friction, not only can produce enough constant-torques, have and can resist up to 300 Ns. " stopping at any time " function of millimeter moment of rotation, in addition, manufacture also very conveniently, the structure of shaft hinge is also more firm.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 schematic diagram.
Fig. 2 is the utility model embodiment 1 explosive view.
Fig. 3 is embodiment 1 sectional view.
Fig. 4 is the schematic diagram of the utility model while applying to notebook computer.
Fig. 5 is the utility model embodiment 2 schematic diagram.
Fig. 6 is the utility model embodiment 2 explosive view.
Fig. 7 is embodiment 2 sectional view.
Embodiment
Embodiment 1, with reference to accompanying drawing 1-4.
Novel friction shaft hinge provided by the utility model, comprise rotating shaft 11, described rotating shaft 11 is metal rotating shaft, and described hinge is also provided with the swivel bearing part 12 of rotating shaft 11, and described swivel bearing part 12 is provided with the elastic structure of the thruster extrusion friction cooperation coordinating with rotating shaft 11.
Described elastic structure is brake slipper 13, described brake slipper 13 has the space 130 that holds rotating shaft part side, on described brake slipper 13 in the position of rotating shaft 11 processes, along rotating shaft, circumferentially there is a plurality of rotating shaft supports position, wherein at least one support zone is thruster extrusion friction arc surface 131, the diameter of thruster extrusion friction arc surface is less than the diameter of metal rotating shaft 11, between described thruster extrusion friction arc surface 131 and metal rotating shaft 11 for thruster extrusion friction coordinates, described thruster extrusion friction arc surface 131 is in elastic base, described brake slipper 13 is provided with rotating shaft support position 132 on the opposite of thruster extrusion friction arc surface.
The diameter of rotating shaft 11 is greater than the arc diameter of thruster extrusion friction arc surface 131, when rotating shaft 11 is assembled on swivel bearing part 12, default amount of interference will make thruster extrusion friction arc surface 131 that deformation occurs, elastic structure possesses elastic potential energy because there is deformation, this elastic potential energy feeds back to the form with pressure in rotating shaft 11, by its jam-packed.When rotating shaft 11 is rotated, on the surface of contact of thruster extrusion friction arc surface 131 and rotating shaft 11, produce frictional force, and then convert friction torque to and export with axle.
Adopt this structure, to the requirement of swivel bearing part 12, can be lowered, make swivel bearing part 12 can adopt metal injection moulding part.Like this, whole shaft hinge had both been convenient to produce the complex model that meets designing requirement, controlled cost, and guaranteed again the soundness of structure and had enough frictional force.
Described elastic base can be the cantilever 133 on brake slipper 13.
The inner side of described swivel bearing part 12 has the connection part 121 that the main body for being fixed on it is connected, and such as a shank with attachment hole, described brake slipper 13 is connected on described connection part 121.The bearing hole 122 at swivel bearing Jian12 two ends with described rotating shaft, described brake slipper 13 is between described two bearing hole 122.
Described brake slipper 13 is in the inner side of described rotating shaft 11, and described inner side is that shaft hinge is arranged on after its main body, and that side near main body inner side, like this, can further contribute to reduce the volume of shaft hinge.
The diameter of described rotating shaft 11 is between 1.4mm to 2.4mm, and nonetheless, the utility model still can have enough intensity and enough frictional force is provided, and can resist up to 300 Ns. the moment of rotation of millimeter.
The spacing preiection 111 also in rotating shaft 11 with its rotation angle range of restriction coordinating with swivel bearing part 12.Drawing reference numeral 123 is the restraining groove coordinating with spacing preiection 111.
In Fig. 4, drawing reference numeral 100 is shaft hinge provided by the utility model, the main body that drawing reference numeral 201 is notebook computer, and what drawing reference numeral 202 was notebook computer renovates, and renovates 202 to be connected with metal rotating shaft 11, and main body 201 is connected with swivel bearing part 12.
Embodiment 2, with reference to accompanying drawing 4-7.
Novel friction shaft hinge provided by the utility model, comprise rotating shaft 21, described rotating shaft 21 is metal rotating shaft, and described hinge is also provided with the swivel bearing part 22 of rotating shaft 21, and described swivel bearing part 22 is provided with the elastic structure of the thruster extrusion friction cooperation coordinating with rotating shaft 21.
Described elastic structure comprises the elastic element 232 of friction catch piece 231 and support friction catch piece, and described friction catch piece 231 has the arc surface 233 coordinating with described rotating shaft 21 thruster extrusion frictions.
In the present embodiment, rotating shaft 21 unassembled to swivel bearing part 22 when interior, friction catch piece 231 Side movement under the thrust of elastic element 232, the work arc section center of circle that makes friction catch piece not with the axis coinciding of rotating shaft.After packing rotating shaft into, overcome under external force the thrust of elastic element 232, make the work arc section center of circle of friction catch piece 231 and the axis coinciding of rotating shaft.Friction catch piece fits tightly with rotating shaft under the effect of elastic element 232, and produces very large positive pressure on surface of contact.When rotating shaft is when friction catch piece rotates, positive pressure is converted to friction torque and exports with rotating shaft.
The inner side of described swivel bearing part 22 has the connection part 221 that the main body for being fixed on it is connected, such as a shank with attachment hole, described elastic structure is in the inner side of described rotating shaft 22, described inner side is that shaft hinge is arranged on after its main body, that side near main body inner side, like this, can further contribute to reduce the volume of shaft hinge.
The bearing hole 222 at swivel bearing Jian22 two ends with described rotating shaft 21, described elastic structure is between described two bearing hole 222.
Described elastic element 232 can be corrugated spring sheet.
Adopt this structure, to the requirement of swivel bearing part 22, can be lowered, make swivel bearing part 22 can adopt metal injection moulding part.Like this, whole shaft hinge had both been convenient to produce the complex model that meets designing requirement, controlled cost, and guaranteed again the soundness of structure and had enough frictional force.
The diameter of described rotating shaft 21 is between 1.4mm to 2.4mm, and nonetheless, the utility model still can have enough intensity and enough frictional force is provided, and can resist up to 300 Ns. the moment of rotation of millimeter.
The spacing preiection 211 also in rotating shaft 21 with its rotation angle range of restriction coordinating with swivel bearing part 22.Drawing reference numeral 223 is the restraining groove coordinating with spacing preiection 211.
In Fig. 4, drawing reference numeral 100 is shaft hinge provided by the utility model, the main body that drawing reference numeral 201 is notebook computer, and what drawing reference numeral 202 was notebook computer renovates, and renovates 202 to be connected with metal rotating shaft 21, and main body 201 is connected with swivel bearing part 22.
Claims (10)
1. novel friction shaft hinge, comprises rotating shaft, it is characterized in that: described rotating shaft is metal rotating shaft, and described hinge is also provided with the swivel bearing part of rotating shaft, and described swivel bearing part is provided with the elastic structure of the thruster extrusion friction cooperation coordinating with rotating shaft.
2. novel friction shaft hinge as claimed in claim 1, it is characterized in that: described elastic structure is brake slipper, described brake slipper has the space that holds rotating shaft part side, on described brake slipper in the position of rotating shaft process, along rotating shaft, circumferentially there is a plurality of rotating shaft supports position, wherein at least one support zone is thruster extrusion friction arc surface, the diameter of thruster extrusion friction arc surface is less than the diameter of metal rotating shaft, between described thruster extrusion friction arc surface and metal rotating shaft for thruster extrusion friction coordinates, described thruster extrusion friction arc surface is in elastic base, described brake slipper is provided with rotating shaft support position on the opposite of thruster extrusion friction arc surface.
3. novel friction shaft hinge as claimed in claim 2, is characterized in that: described elastic base is the cantilever on brake slipper.
4. novel friction shaft hinge as claimed in claim 2, is characterized in that: the inner side of described swivel bearing part has the connection part that the main body for being fixed on it is connected, and described brake slipper is connected on described connection part.
5. novel friction shaft hinge as claimed in claim 2, is characterized in that: described brake slipper is in the inner side of described rotating shaft.
6. novel friction shaft hinge as claimed in claim 2, is characterized in that: described elastic structure comprises the elastic element of friction catch piece and support friction catch piece, and described friction catch piece has the arc surface coordinating with described rotating shaft thruster extrusion friction.
7. novel friction shaft hinge as claimed in claim 6, is characterized in that: the inner side of described swivel bearing part has the connection part that the main body for being fixed on it is connected, and described elastic structure is in the inner side of described rotating shaft.
8. novel friction shaft hinge as claimed in claim 6, is characterized in that: described elastic element is corrugated spring sheet.
9. novel friction shaft hinge as claimed in claim 1, is characterized in that: described swivel bearing part is metal injection moulding part; Described swivel bearing part has the connection part that the main body for being fixed on it is connected the bearing hole at swivel bearing part two ends with described rotating shaft, and described elastic structure is between described two bearing hole.
10. the novel friction shaft hinge as described in claim 1,2,3,4,5,6,7,8 or 9, is characterized in that: the diameter of described rotating shaft is between 1.4mm to 2.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320163049.XU CN203394988U (en) | 2013-04-03 | 2013-04-03 | Novel friction rotating shaft gemel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320163049.XU CN203394988U (en) | 2013-04-03 | 2013-04-03 | Novel friction rotating shaft gemel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203394988U true CN203394988U (en) | 2014-01-15 |
Family
ID=49906523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320163049.XU Expired - Lifetime CN203394988U (en) | 2013-04-03 | 2013-04-03 | Novel friction rotating shaft gemel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203394988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821949A (en) * | 2019-11-26 | 2020-02-21 | 武汉虹信通信技术有限责任公司 | Damping rotating shaft |
-
2013
- 2013-04-03 CN CN201320163049.XU patent/CN203394988U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821949A (en) * | 2019-11-26 | 2020-02-21 | 武汉虹信通信技术有限责任公司 | Damping rotating shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |