CN106763142A - Single-freedom and flexible hinge with auto-lock function - Google Patents
Single-freedom and flexible hinge with auto-lock function Download PDFInfo
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- CN106763142A CN106763142A CN201710117095.9A CN201710117095A CN106763142A CN 106763142 A CN106763142 A CN 106763142A CN 201710117095 A CN201710117095 A CN 201710117095A CN 106763142 A CN106763142 A CN 106763142A
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- groove
- shaped groove
- pedestal
- flexible hinge
- auto
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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
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Casings For Electric Apparatus (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a kind of single-freedom and flexible hinge with auto-lock function, including pedestal, the one side of the pedestal is provided with the locating shaft for installing flexible hinge.The pedestal sets the groove through the positive back side; groove includes upper transverse groove, step trough, side Z-shaped groove and lower transverse groove, pedestal is had the hanging arm of elasticity, the recessed groove in side of the hanging arm of the elasticity by groove; groove constitutes free hinge displacement input, and side Z-shaped groove constitutes portable protective gaps；The displacement input of free hinge makes elastic hanging arm deform and be converted into angle, and the angle is exported by exporting response portion.It has the following advantages that：Elastic hanging arm is located at base interior, and locating shaft is located on pedestal outer surface, and input displacement will not produce influence to hinge fixed installation when hinge works；If portable protective gaps, prevent flexible hinge from locally producing expendable plastic deformation, produced because displacement is excessive and tumbled；It is linear between output response portion output angle and the input displacement of displacement input.
Description
Technical field
The present invention relates to flexible hinge design field, more particularly to a kind of single-freedom and flexible hinge with auto-lock function
Chain.
Background technology
Micromachine, semiconductor lithography, accurate measurement, Ultra-precision Turning, it is miniature match somebody with somebody, biological cell manipulate and nanometer
The fields such as technology are, it is necessary to high performance Ultra Precision Stages are used as technical support.The positioning accurate of Ultra Precision Stages
Degree (output displacement) often reaches sub-micrometer scale, therefore to have the driver part of corresponding precision, the design of driver part, manufacture
Cost all limits the use of Ultra Precision Stages.Flexible hinge as a kind of displacement linear scale mechanism, can be by
Input displacement equal proportion is zoomed in or out.Because flexible hinge happens is that elastic deformation, therefore zoom in or out the line of ratio
Property degree it is good, can be used on positioning table, it is possible to the driver part of lower accuracy, contracted by displacement equal proportion
It is small, obtain control accuracy higher.Flexible hinge structure is compact simultaneously, small volume, can accomplish mechanical friction, gapless,
With displacement resolution higher, such as patent CN102705661A, CN102490021A, CN101837586A,
The disclosed technology such as CN101770182A, CN1669744, is directed to use the micro-displacement work table of flexible hinge, and public
The different displacement drive mode such as mechanical, piezoelectric ceramic type and its control feedback system are opened.
But the performance requirement in being disclosed patented technology to flexible hinge is not high, seldom concern flexible hinge connection is right
The influence of its design performance, the not plastic deformation failure to flexible hinge proposes effective method for limiting.
The content of the invention
The invention provides a kind of single-freedom and flexible hinge with auto-lock function, which overcome in background technology it is single from
Deficiency as existing for degree flexible hinge.
The present invention solve its technical problem the technical scheme for being used be：
Single-freedom and flexible hinge with auto-lock function, including pedestal 10, are installed with the one side 11 of the pedestal 10
Boss 12, is installed with the locating shaft 13 for installing flexible hinge on the boss 12；The pedestal 10 sets the groove through the positive back side
20, the groove 20 includes that transverse groove 21 on, a upper end connect the lateral middle of transverse groove 21 and up-small and down-big step trough 22,
Side Z-shaped groove 23 and a two ends are respectively turned on the lower transverse groove 24 of the lower end of step trough 22 and side ZZi Cao23 lower ends, are made by groove 20
Pedestal 10 has one to be located at the hanging arm 30 of the elasticity in groove 20, and the side towards step trough 22 of the hanging arm 30 of the elasticity is recessed
Groove 31, the groove 31 constitutes free hinge displacement input, and side Z-shaped groove 23 is construed as limiting the elastic hanging maximum distortion of arm 30
To play the portable protective gaps of auto-lock function；The top surface of pedestal 10 is provided with output response portion 40；The displacement input of the free hinge makes bullet
Property hanging arm 30 deform and be converted into angle, by export response portion 40 export the angle, make the output angle of output response portion 40
It is linear between degree and the input displacement of displacement input.
Among one embodiment：Side Z-shaped groove 23 and step trough 22 are arranged in the left and right sides of elastic hanging arm 30；Should
Groove 20 also includes side W-shaped groove 26 and one first translot 27 of the opening towards the left opening of side V-shaped groove 25, towards the right side, the side V-arrangement
The upper right-hand member of transverse groove 21 is connected in the lower end of groove 25, and the left end of the first translot 27 connects side W-shaped groove 26, the right-hand member of the first translot 27 and side
V-shaped groove 25 is spaced, and first translot 27 is located at interval on transverse groove 21.
Among one embodiment：The left end of first translot 27 connects the middle part of side W-shaped groove 26.
Among one embodiment：The groove 20 also includes side L-shaped groove 28, side L-shaped groove 28 be located under side W-shaped groove 26 and
Positioned at a left side for side Z-shaped groove 23.
Among one embodiment：Side L-shaped groove 28 and side W-shaped groove 26 are spaced, and side L-shaped groove 28 and side Z-shaped groove 23 are spaced.
Among one embodiment：The following lateral arrangement of the side W-shaped groove 26；Two parallel edges of side Z-shaped groove 23 are vertically arranged.
Among one embodiment：The one side for being provided with boss 12 is the left surface of pedestal 10.
Among one embodiment：The pedestal 10 is formed using 60Si2CrA steel makings；The width of the portable protective gaps is 30 μm.
Compared with background technology, it has the following advantages that the technical program：
Install flexible hinge locating shaft be located on the boss of the side of pedestal, groove include upper transverse groove, step trough,
Side Z-shaped groove and lower transverse groove, make pedestal have the hanging arm of elasticity by groove, and the hanging arm of elasticity sets position towards the side of step trough
Input is moved, therefore：A, the inside that the pedestal of hinge is arranged on because of elastic hanging arm, locating shaft are located at the side of pedestal outer surface
Boss on, therefore when hinge works input displacement on connection (hinge fixed installation) position will not produce influence；B, set protection
Gap, prevents the reasons such as operational error and triggers flexible hinge locally to produce expendable plastic deformation, or positioned work
What part was produced because displacement is excessive tumbles；C, the displacement input of free hinge make elastic hanging arm deform and be converted into one compared with
Small angle, the angle is exported by exporting response portion, makes the input bit of the output response portion output angle and displacement input
It is linear between shifting.
Groove also includes side V-shaped groove, side W-shaped groove and the first translot, and upper transverse groove right-hand member, first are connected in side V-shaped groove lower end
Translot left end connects side W-shaped groove, and the first translot right-hand member and side V-shaped groove are spaced, and the first translot is located at interval on transverse groove, enters
Input displacement produces change to connection when one step avoids hinge from working, and improves the accuracy of linear relationship.
Groove also includes side L-shaped groove, and input displacement produces change to connection when further avoiding hinge from working, and improves linear
The accuracy of relation.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic front view of single-freedom and flexible hinge.
Fig. 2 is the left view schematic diagram of single-freedom and flexible hinge.
Fig. 3 is the schematic top plan view of single-freedom and flexible hinge.
Fig. 4 is the schematic diagram of hinge output angle and the relation of input displacement.
Specific embodiment
Fig. 1, Fig. 2 and Fig. 3 are refer to, the single-freedom and flexible hinge with auto-lock function, including pedestal 10, it is used
60Si2CrA steel makings are formed.
Boss 12 is installed with the one side 11 of the pedestal 10, is installed with for installing determining for flexible hinge on the boss 12
Position axle 13, flexible hinge is fixedly mounted by locating shaft 13.The one side for being provided with boss 12 is the left surface of pedestal 10.This is soft
The change of property hinge input displacement will not cause the change of the position of locating shaft 13, will not deform, can guarantee that hinge in itself
Position inconvenience.
The pedestal 10 sets the groove 20 through the positive back side, and the groove 20 includes that transverse groove 21 on, a upper end are connected laterally
The lateral middle of groove 21 and up-small and down-big step trough 22, side Z-shaped groove 23 and a two ends are respectively turned on the lower end of step trough 22 and side Z
The lower transverse groove 24 of the lower end of word groove 23, makes pedestal 10 have one to be located at the hanging arm 30 of the elasticity in groove 20 by groove 20, should
Side Z-shaped groove 23 and step trough 22 are arranged in the left and right sides of elastic hanging arm 30.The hanging arm 30 of the elasticity towards ladder
The recessed groove 31 in side of groove 22, the groove 31 constitutes free hinge displacement input, and side Z-shaped groove 23 is construed as limiting elastic suspended
With the portable protective gaps of an auto-lock function, it can prevent the reasons such as operational error and trigger flexible hinge part the maximum distortion of empty arm 30
Produce expendable plastic deformation, or tumbling of being produced because displacement is excessive of positioned workpiece.
The top surface of pedestal 10 is provided with output response portion 40；The displacement input of the free hinge makes elastic hanging arm 30 deform simultaneously
A less angle is converted into, the angle is exported by exporting response portion 40, make the output angle of output response portion 40 and position
It is linear between the input displacement of shifting input.
The groove 20 also includes side W-shaped groove 26, one first translot of the opening towards the left opening of side V-shaped groove 25, towards the right side
27 and side L-shaped groove 28.The upper right-hand member of transverse groove 21 is connected in the lower end of side V-shaped groove 25.The left end of first translot 27 turns on side W shapes
The middle part of groove 26, the right-hand member of the first translot 27 and side V-shaped groove 25 are spaced, and first translot 27 is located at interval on transverse groove 21.
Side L-shaped groove 28 is located under side W-shaped groove 26 and positioned at a left side for side Z-shaped groove 23.Side L-shaped groove 28 and side W-shaped groove 26 are spaced, should
Side L-shaped groove 28 and side Z-shaped groove 23 are spaced.The following lateral arrangement of the side W-shaped groove 26；Two parallel edges of side Z-shaped groove 23 are vertical
Arrangement.
The maximum carrying displacement of the hinge is also related to the material yield strength that hinge is used, and is with 60Si2CrA steel
Example, its elastic modelling quantity is 206GPa, and using the analysis of ANSYS simulation softwares, the input and output for drawing are as shown in Figure 4.This is specific
In implementation method, such as using four summits of the output response portion 40 of the top surface of pedestal 10 as the foundation for calculating output angle, this is soft
Property hinge output be input into than 6.516E-4 °/μm, its linearity error is within 0.1%.And, from the stress of ANSYS emulation
As can be seen that hinge operationally meets with stresses lower edge of the maximum position in boss 12 in cloud atlas, ensureing maximum herein
On the premise of stress is no more than Materials Yield Limit, maximum input displacement can be controlled no more than 30 μm, therefore portable protective gaps are to set
It is calculated as 30 μm.
The above, only present pre-ferred embodiments, therefore can not according to this limit the scope of present invention implementation, i.e., according to
Equivalence changes that the scope of the claims of the present invention and description are made and modification, all should still belong in the range of the present invention covers.
Claims (8)
1. the single-freedom and flexible hinge with auto-lock function, including pedestal (10), it is characterised in that：The side of the pedestal (10)
Boss (12) is installed with face (11), the locating shaft (13) for installing flexible hinge is installed with the boss (12)；The pedestal
(10) groove (20) through the positive back side is set, the groove (20) connects transverse groove (21) including transverse groove (21), a upper end on one
Lateral middle and up-small and down-big step trough (22), side Z-shaped groove (23) and a two ends be respectively turned on step trough (22) lower end and
The lower transverse groove (24) of side Z-shaped groove (23) lower end, pedestal (10) is made with a bullet in groove (20) by groove (20)
Property hanging arm (30), the recessed groove in the side (31) towards step trough (22) of the hanging arm (30) of the elasticity, groove (31) structure
Into free hinge displacement input, side Z-shaped groove (23) is construed as limiting elastic hanging arm (30) maximum distortion to play auto-lock function
Portable protective gaps；Pedestal (10) top surface is provided with output response portion (40)；The displacement input of the free hinge makes elastic hanging arm
(30) deform and be converted into angle, the angle is exported by exporting response portion (40), make output response portion (40) output angle
It is linear and the input displacement of displacement input between.
2. the single-freedom and flexible hinge with auto-lock function according to claim 1, it is characterised in that：The side Z-shaped groove
And step trough (22) is arranged in the left and right sides of elastic hanging arm (30) (23)；The groove (20) also includes an opening a towards left side
Side V-shaped groove (25), an opening towards right side W-shaped groove (26) and one first translot (27), in the connection of side V-shaped groove (25) lower end
Transverse groove (21) right-hand member, the first translot (27) left end connects side W-shaped groove (26), the first translot (27) right-hand member and side V-shaped groove
(25) it is spaced, first translot (27) is located at interval on transverse groove (21).
3. the single-freedom and flexible hinge with auto-lock function according to claim 2, it is characterised in that：First translot
(27) left end connects side W-shaped groove (26) middle part.
4. the single-freedom and flexible hinge with auto-lock function according to claim 2, it is characterised in that：The groove (20)
Also include side L-shaped groove (28), side L-shaped groove (28) is under side W-shaped groove (26) and positioned at a left side for side Z-shaped groove (23).
5. the single-freedom and flexible hinge with auto-lock function according to claim 4, it is characterised in that：The side L-shaped groove
(28) it is spaced with side W-shaped groove (26), side L-shaped groove (28) and side Z-shaped groove (23) are spaced.
6. the single-freedom and flexible hinge with auto-lock function according to claim 4, it is characterised in that：The side W-shaped groove
(26) following lateral arrangement；Two parallel edges of side Z-shaped groove (23) are vertically arranged.
7. the single-freedom and flexible hinge with auto-lock function according to Claims 2 or 3 or 4 or 5 or 6, its feature exists
In：The one side for being provided with boss (12) is the left surface of pedestal (10).
8. the single-freedom and flexible hinge with auto-lock function according to Claims 2 or 3 or 4 or 5 or 6, its feature exists
In：The pedestal (10) is formed using 60Si2CrA steel makings；The width of the portable protective gaps is 30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710117095.9A CN106763142B (en) | 2017-03-01 | 2017-03-01 | Single-degree-of-freedom flexible hinge with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710117095.9A CN106763142B (en) | 2017-03-01 | 2017-03-01 | Single-degree-of-freedom flexible hinge with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763142A true CN106763142A (en) | 2017-05-31 |
| CN106763142B CN106763142B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710117095.9A Active CN106763142B (en) | 2017-03-01 | 2017-03-01 | Single-degree-of-freedom flexible hinge with self-locking function |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001349323A (en) * | 2000-06-02 | 2001-12-21 | Sumitomo Heavy Ind Ltd | Elastic hinge |
| CN102501227A (en) * | 2011-12-01 | 2012-06-20 | 哈尔滨工业大学 | Flexible hinge positioning device based on differential motion lever principle |
| CN103036474A (en) * | 2012-12-03 | 2013-04-10 | 河北工业大学 | Two degrees of freedom flexible micro operator in parallel connection |
| CN105643592A (en) * | 2016-03-15 | 2016-06-08 | 河北工业大学 | Symmetrical decoupling and single degree of freedom flexible operation mechanism |
| CN105690358A (en) * | 2016-04-18 | 2016-06-22 | 河北工业大学 | Flexible inching operation mechanism |
| CN106113022A (en) * | 2016-08-24 | 2016-11-16 | 广东工业大学 | A kind of single-freedom and flexible mini positioning platform |
| CN206555277U (en) * | 2017-03-01 | 2017-10-13 | 华侨大学 | A kind of single-freedom and flexible hinge with auto-lock function |
-
2017
- 2017-03-01 CN CN201710117095.9A patent/CN106763142B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001349323A (en) * | 2000-06-02 | 2001-12-21 | Sumitomo Heavy Ind Ltd | Elastic hinge |
| CN102501227A (en) * | 2011-12-01 | 2012-06-20 | 哈尔滨工业大学 | Flexible hinge positioning device based on differential motion lever principle |
| CN103036474A (en) * | 2012-12-03 | 2013-04-10 | 河北工业大学 | Two degrees of freedom flexible micro operator in parallel connection |
| CN105643592A (en) * | 2016-03-15 | 2016-06-08 | 河北工业大学 | Symmetrical decoupling and single degree of freedom flexible operation mechanism |
| CN105690358A (en) * | 2016-04-18 | 2016-06-22 | 河北工业大学 | Flexible inching operation mechanism |
| CN106113022A (en) * | 2016-08-24 | 2016-11-16 | 广东工业大学 | A kind of single-freedom and flexible mini positioning platform |
| CN206555277U (en) * | 2017-03-01 | 2017-10-13 | 华侨大学 | A kind of single-freedom and flexible hinge with auto-lock function |
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| Publication number | Publication date |
|---|---|
| CN106763142B (en) | 2023-06-20 |
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