CN102913546A - Rotating shaft with stress distribution function - Google Patents
Rotating shaft with stress distribution function Download PDFInfo
- Publication number
- CN102913546A CN102913546A CN2011102222154A CN201110222215A CN102913546A CN 102913546 A CN102913546 A CN 102913546A CN 2011102222154 A CN2011102222154 A CN 2011102222154A CN 201110222215 A CN201110222215 A CN 201110222215A CN 102913546 A CN102913546 A CN 102913546A
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- CN
- China
- Prior art keywords
- base portion
- pressure section
- rotating shaft
- beam barrel
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a rotating shaft with a stress distribution function. The rotating shaft is provided with a shaft barrel and a mandrel. The shaft barrel is provided with a base part. A pressing part is bent on one side of the base plate, and is positioned above the base part. An accommodation space is formed between the base part and the pressing part. A slot is formed between the base part and the tail end of the pressing part. A first side edge and a second side edge are arranged on the two sides of the pressing part respectively, so that the width of the pressing part is gradually increased from the tail end to a part close to the base part. The mandrel is accommodated in the accommodation space of the shaft barrel. A positioning part is arranged on the edge of the mandrel, is used for positioning the base part of the shaft barrel, and can drive the displacement of the pressing part of the shaft barrel towards a part away from the base part when rotating to release the positioning of the base part, and the pressing part with the gradually increased width can share stress generated by the displacement deformation.
Description
Technical field
A kind of rotating shaft of tool stress distribution espespecially can prolong the rotating shaft of the tool stress distribution of rotating shaft whole service life.
Background technique
There are many article all to use turning gear in the life, such as notebook computer, electronic dictionary, personal digital electronic secretary (PDA) and pair of pages formula electronic product etc., all must reach by turning gear the function of the switch of throwing, yet, some article more needs the turning gear of tool " positioning closing " effect could be fit to install and use, therefore the creator of this case is through constantly studying and studying, then develop the turning gear with " positioning closing ", see also Fig. 9 to shown in Figure 11, by finding out among the figure, the turning gear of known technology is for having beam barrel A and axle B, beam barrel A is for having base portion A1, base portion A1 one lateral buckling has extension part A2, extension part A2 end is bent with the pressure section A3 of tool radian, pressure section A3 is for being positioned at base portion A1 upper side, and axle B is for being arranged in beam barrel A, axle B one side is to have the locating face B1 that can form with base portion A1 the location, and when axle B rotation, when making locating face B1 break away from base portion A1, axle B forms resiliently deformable for promoting pressure section A3, because pressure section A3 end is in all equating near the width between extension part A2 two ends, therefore when axle B upper limb promotes pressure section A3, the tangent line place of pressure section A3 and axle B upper limb, side near extension part A2 can produce resiliently deformable, and the stress that resiliently deformable produces can concentrate on pressure section A3 connection extension part A2 place, and when long use turning gear, cause easily the pressure section A3 of beam barrel A to connect the generation fracture of extension part A2 place.
Therefore, how to solve above-mentioned known problem and disappearance, be the problem of being engaged in research and development that this relevant dealer desires most ardently.
Summary of the invention
Main purpose of the present invention is, the pressure section that is formed width flaring shape by beam barrel when disperseing to make the pressure section of beam barrel produce resiliently deformable because of the axle turn, the stress of the pressure section that concentrates on.
For reaching above-mentioned purpose, this rotating shaft is provided with beam barrel and axle, this beam barrel has base portion, base portion one lateral buckling has pressure section, make pressure section be positioned at the top of base portion, and be formed with containing space between base portion and the pressure section, and be formed with short slot between base portion and the pressure section end, and pressure section two sides have respectively first side and second side, make pressure section form width flaring shape by end towards close base portion place, this axle is to be placed in the containing space of beam barrel, and the outer rim of axle is provided with the positioning part, and the positioning part is to form the location in order to the base portion with beam barrel, and rotate when breaking away from base portion releasing location the positioning part, the pressure section that promotes beam barrel for meeting is towards away from the displacement of base portion place, because the width flaring shape of pressure section makes pressure section can share the stress that produces because of displacement deformation.
The useful technique effect that the present invention reaches is: can share the stress that pressure section produces when resiliently deformable, avoid stress to concentrate on the joint of pressure section and extension part, cause this to be in the disappearance that easily produces the fracture situation under the long-term use, to allow rotating shaft prolong whole working life.
Description of drawings
Fig. 1 is the unfolded drawing of first embodiment of the invention beam barrel.
Fig. 2 is the stereo appearance figure of first embodiment of the invention.
Fig. 3 is the stereo appearance figure of another side of first embodiment of the invention.
Fig. 4 is the stereo appearance figure that the first embodiment of the invention axle is placed in beam barrel.
Fig. 5 is the schematic side view () of the enforcement state of first embodiment of the invention.
Fig. 6 is the schematic side view (two) of the enforcement state of first embodiment of the invention.
Fig. 7 is the stereo appearance figure of second embodiment of the invention.
Fig. 8 is the stereo appearance figure of third embodiment of the invention.
Fig. 9 is the unfolded drawing of known beam barrel.
Figure 10 is the schematic side view () that known turning gear is implemented state.
Figure 11 is the schematic side view (two) that known turning gear is implemented state.
Description of reference numerals
1,4,5-beam barrel; 11,41,51-base portion; 111,411,511-extension part; 12,42,52-pressure section; 121,421,521-first side; 122,422,522-second side; 13,43,53-containing space; 14,44,54-short slot; The 2-axle; The 21-positioning part; The 3-lamellar body; The A-beam barrel; The A1-base portion; The A2-extension part; The A3-pressure section; The B-axle; The B1-locating face; The 10-rotating shaft
Embodiment
See also Fig. 1 to shown in Figure 4, find out that by knowing among the figure this rotating shaft 10 is provided with beam barrel 1 and axle 2, wherein:
This beam barrel 1 is formed by a lamellar body 3 bendings, the beam barrel 1 that is shaped is for having base portion 11, be bent with extension part 111 on these base portion 11 1 side direction, extension part 111 terminal bendings are extended with pressure section 12, make pressure section 12 be positioned at the top of base portion 11, and be formed with containing space 13 between base portion 11 and the pressure section 12, and be formed with short slot 14 between base portion 11 and pressure section 12 ends, and pressure section 12 2 sides have respectively first side 121 and second side 122, and this first side 121 makes pressure section 12 form width flaring shape by end towards close base portion 11 places for taking the form of inclined plane.
This axle 2 is for to be placed in the containing space 13 of beam barrel 1, and the outer rim of axle 2 is provided with positioning part 21, and this positioning part 21 is to form the location in order to the base portion 11 with beam barrel 1.
See also Fig. 5 and shown in Figure 6, find out when beam barrel 1 and axle 2 are positioning states by knowing among the figure, the positioning part 21 of axle 2 is for being held in the base portion 11 of beam barrel 1, otherwise, make positioning part 21 rotate disengaging base portions 11 when axle 2 generation turns and remove when locating, positioning part 21 is to break away from base portion 11, to allow axle 2 upper limbs promotion pressure section 12, make pressure section 12 courts away from base portion 11 side displacements, and then remove the positioning states of axle 2 and beam barrel 1; Because the pressure section 12 of beam barrel 1 forms width flaring shape by end towards close extension part 111 places, therefore rotating when axle 2 makes positioning part 21 break away from base portion 11, when making axle 2 upper limbs promote pressure section 12 formation resiliently deformable, has larger elastic deformability owing to pressure section 12 terminal width are narrower, pressure section 12 front end wider width and have less elastic deformability, therefore when axle 2 promotion pressure sections 12 upwards produce displacement, make pressure section 12 produce the extension resiliently deformable near extension part 111 places, and allow pressure section 12 to top offset, and has larger elastic deformability by pressure section 12 ends, front end has less elastic deformability's configuration, but allow the distortion of pressure section 12 integral, flexibles be held in axle 2 surfaces, and can share pressure section 12 because of the stress that displacement deformation produces, avoid stress to concentrate on pressure section 12 and extension part 111 joints.
See also Fig. 2 and shown in Figure 7, find out by knowing among the figure, first embodiment of the invention and the second embodiment, the difference of the two is, the first embodiment's first side 121 is for taking the form of inclined plane, and second side 122 is straight line shape, and the second embodiment's first side 421 is straight line shape, second side 422 is for taking the form of inclined plane, and the two equally all can make pressure section 12,42 form width flaring shape by end towards close base portion 11 places.
See also Fig. 2 and shown in Figure 8, find out by knowing among the figure, first embodiment of the invention and the second embodiment, the difference of the two is, the first embodiment's first side 121 is for taking the form of inclined plane, second side 122 is straight line shape, and the second embodiment's first side 521 all takes the form of inclined plane with second side 522, and the two equally all can make pressure section 12,52 form width flaring shape by end towards close base portion 11 places.
Therefore, the present invention is for solving deficiency and the disappearance of known technology, its key technology is, the present invention is for utilizing pressure section 12,42, the width of 52 2 ends is different, make pressure section 12,42,52 by end towards forming width flaring shape near base portion 11 places, and when axle 2 push shaft cylinders 1,4,5 pressure section 12,42, during 52 displacement, pressure section 12,42,52 integral body all can produce resiliently deformable, to share pressure section 12,42,52 stress that when resiliently deformable, produce, avoid stress to concentrate on pressure section 12,42,52 with extension part 111,411,511 joint, cause this to be in the disappearance that easily produces the fracture situation under the long-term use, to allow rotating shaft 10 prolong whole working life.
The above description of this invention is illustrative, and nonrestrictive, and those skilled in the art is understood, and the spirit and the interior of scope that limit in claim can carry out many modifications, variation or equivalence to it, but they all will fall within the scope of protection of the present invention.
Claims (5)
1. the rotating shaft of a tool stress distribution, this rotating shaft is provided with beam barrel and axle, it is characterized in that:
This beam barrel has base portion, base portion one lateral buckling has pressure section, make pressure section be positioned at the top of base portion, and be formed with containing space between base portion and the pressure section, and be formed with short slot between base portion and the pressure section end, and pressure section two sides have respectively first side and second side, make pressure section form width flaring shape by end towards close base portion place;
This axle is to be placed in the containing space of beam barrel, and the outer rim of axle is provided with the positioning part, the positioning part is in order to forming the location with the base portion of beam barrel, and the positioning part rotates and break away from base portion when removing the location, and the pressure section that promotes beam barrel for meeting is towards away from the displacement of base portion place.
2. have as claimed in claim 1 a rotating shaft of stress distribution, it is characterized in that this first side is for taking the form of inclined plane.
3. have as claimed in claim 1 a rotating shaft of stress distribution, it is characterized in that this second side is for taking the form of inclined plane.
4. have as claimed in claim 1 a rotating shaft of stress distribution, it is characterized in that this first side and second side are for taking the form of inclined plane.
5. have as claimed in claim 1 a rotating shaft of stress distribution, it is characterized in that, be bent with extension part on this base portion one side direction, and pressure section is for being bent the top in base portion by the extension part end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102222154A CN102913546A (en) | 2011-08-04 | 2011-08-04 | Rotating shaft with stress distribution function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102222154A CN102913546A (en) | 2011-08-04 | 2011-08-04 | Rotating shaft with stress distribution function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102913546A true CN102913546A (en) | 2013-02-06 |
Family
ID=47612055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102222154A Pending CN102913546A (en) | 2011-08-04 | 2011-08-04 | Rotating shaft with stress distribution function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102913546A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060272128A1 (en) * | 2005-06-04 | 2006-12-07 | Torqmaster, Inc. | Friction hinge with angularly dependent torque |
| TWM320285U (en) * | 2006-12-15 | 2007-10-01 | Protorsion Hinge Corp Ltd Comp | Improvement female axis cylinder structure for pivotal shaft |
| CN201047390Y (en) * | 2007-05-11 | 2008-04-16 | 大典轴业股份有限公司 | Female axis barrel of pivot shaft |
| CN201568444U (en) * | 2009-10-30 | 2010-09-01 | 新日兴股份有限公司 | Pivot device |
| CN201651026U (en) * | 2009-12-04 | 2010-11-24 | 新日兴股份有限公司 | Pivot device |
| TWM400528U (en) * | 2010-09-10 | 2011-03-21 | Yuan Deng Metals Ind Co Ltd | Rotating shaft device having positioning function |
-
2011
- 2011-08-04 CN CN2011102222154A patent/CN102913546A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060272128A1 (en) * | 2005-06-04 | 2006-12-07 | Torqmaster, Inc. | Friction hinge with angularly dependent torque |
| TWM320285U (en) * | 2006-12-15 | 2007-10-01 | Protorsion Hinge Corp Ltd Comp | Improvement female axis cylinder structure for pivotal shaft |
| CN201047390Y (en) * | 2007-05-11 | 2008-04-16 | 大典轴业股份有限公司 | Female axis barrel of pivot shaft |
| CN201568444U (en) * | 2009-10-30 | 2010-09-01 | 新日兴股份有限公司 | Pivot device |
| CN201651026U (en) * | 2009-12-04 | 2010-11-24 | 新日兴股份有限公司 | Pivot device |
| TWM400528U (en) * | 2010-09-10 | 2011-03-21 | Yuan Deng Metals Ind Co Ltd | Rotating shaft device having positioning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130206 |