CN1981231B - Compact elastic hinge element for a spectacle frame - Google Patents
Compact elastic hinge element for a spectacle frame Download PDFInfo
- Publication number
- CN1981231B CN1981231B CN2005800185153A CN200580018515A CN1981231B CN 1981231 B CN1981231 B CN 1981231B CN 2005800185153 A CN2005800185153 A CN 2005800185153A CN 200580018515 A CN200580018515 A CN 200580018515A CN 1981231 B CN1981231 B CN 1981231B
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- CN
- China
- Prior art keywords
- slide block
- hinge element
- elastic hinge
- guide portion
- recess
- 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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Links
- 239000011796 hollow space material Substances 0.000 claims description 29
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000013519 translation Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 abstract 2
- 230000014616 translation Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- G02C5/22—Hinges
- G02C5/2218—Resilient hinges
- G02C5/2236—Resilient hinges comprising a sliding hinge member and a coil spring
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
- G02C2200/30—Piston
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Pivots And Pivotal Connections (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Eyeglasses (AREA)
Abstract
The invention relates to an elastic hinge element for a spectacle frame, comprising a body consisting of a housing comprising a guiding area and at least one cavity comprising a retaining partition, a slide fitted in the housing and comprising a guided part, a center part and a rod fitted with the guiding area, wherein the center part and the rod of the slide are formed by the same rod; a spring for returning the slide to a rest position, mounted around the rod, and a bushing forming a front stop for the spring. According to the invention, the cavity comprising the retaining partition is located in the guiding area and opens toward the guiding area, and the guided part of the slide comprises at least one guiding surface comprising a recess into which part of an elastic tab of the slide extends when the slide is in the rest position. The invention has advantage of creation of a short-length hinge element.
Description
Technical field
The present invention relates to glasses and picture frame articulated elements field, particularly to the improvement of elastic hinge element of the picture frame of type as described in application WO00/68730.
Background technology
Therefore the present invention relates to the elastic hinge element of picture frame, comprise a housing, it includes the vertical hollow space that comprises the boot section and comprises the cavity of retaining wall with at least one, one slide block, be located at hollow space according to the longitudinal translation axis, comprise and extend to the outer teat of hollow space, one guide portion is with the boot section, middle part and bar cooperate, and one makes slide block get back to the spring of rest position, the compression unit of one spring, be connected to form not-go-end behind the spring with bar, a lining forms not-go-end before the spring, comprise the main body of installing around the middle part of slide block and at least one according to the flexure strip of the angle of determining towards the bending of hollow space front side, its end is pressed on the retaining wall.
As prompting, this traditional hinge element is shown in Figure 1A.Hinge element comprises housing 1, and hollow space 2 is opened in wherein, and slide block 3 is located at hollow space 2.Hollow space 2 comprises the boot section 2-1 according to longitudinal translation axle T guide shoe 3, and opens the preceding hole of formation in the hinge element front side.Slide block 3 is also represented in Figure 1B, comprises the terminal 3-1 that forms hinge joint and extend towards hollow space 2 outsides, and guide portion 3-2 cooperates with boot section 2-1, middle part 3-3 and bar 3-4.Spring 4 distaff 3-4 are installed between the compression unit 3-5 of lining 5 and connecting link 3-4 end.Lining 5 comprises the main body 5-1 that distaff 3-4 installs slidably, two flexure strip 5-2, and 5-3 is according to respect to definite angle of translated axis line forward.In the rest position shown in Figure 1A, each flexure strip 5-2, the end of 5-3 enter cavity 6,7 arrival and are pressed in the retaining wall 6-1 that is basically perpendicular to translation shaft, on the 7-1.Therefore when promoting slide block forward, translation sealing lining 5 and compression spring between the stationary body 5-1 of movably compression unit 3-5 and lining 5.
Only long some millimeters of this hinge element and through being usually used in eyewear industry.It is usually by on the welding and the mirror pin 8 of the exemplary expression in Figure 1A that is adhesively fixed.Usually with the hinge element of fitting piece 3-1 and connecting frame for example joggle be connected, hinged with acquisition mirror pin.
Although this hinge element is small-sized, also need reduces its length and produce the ultra-compact hinge of create an aesthetic feeling more.
The length that reduces hinge element relates to the length that reduces slide block.This length depends on the length of four useful part of slide block, just forms part, guide portion 3-2, middle part 3-3 and the bearing spring of fitting piece 3-1 and the bar 3-4 of lining main body 5-1.
At present, surpass on the guide portion 3-2 length predetermined minimum length reduce hinge element is too died down because this part must bear power and the pressure that applies on the direction perpendicular to translated axis line.Be the good resistance of load outside guaranteeing when reducing the length of guide portion axle, can consider by increase by 2 guiding of induction element in slips end, for example with compression unit as additional induction element.Yet, utilize slips end that the axle of slide block will be died down, because the latter will be through by bending.And, the element that compression unit is normally cheap, it is made substantially and makes the bulge acquisition that translation sealing spring occurs by the end that for example beats bar 3-4.Therefore, it is unfavorable providing induction element in slips end.
Secondly, the length of slide block middle part 3-3 is made of the length of lining 5, and it is similar to lining main body 5-1 and flexure strip 5-2, the length summation of 5-3.When the slide block that is equipped with lining and spring passed preceding hole and enters hollow space, middle part 3-3 really made the flexure strip withdrawal.Now, the length of the flexure strip of lining also stands certain technostress, can not reduce too much.
At last, the length of bar 3-4 self can not be reduced to and be lower than and the corresponding minimum spring length of the minimum rollback power of target, increases the modal length that lining is arranged on it.
Summary of the invention
Therefore, the objective of the invention is to reduce the slide block length of the hinge element of the above-mentioned type, and do not reduce the length or the size of the necessary element of hinge, the just length of guide portion, the length of lining and the length of spring.
According to the present invention, by providing elastic hinge element to achieve the above object for picture frame, comprise housing, it includes the vertical hollow space that comprises the boot section and comprises the cavity of retaining wall with at least one, slide block, be located at hollow space according to the longitudinal translation axis, comprise and extend to the outer teat of hollow space, the guide portion that cooperates with the boot section, the middle part of slide block and bar, the middle part of slide block and bar are formed by same bar, make slide block get back to the spring of rest position, the compression unit of compression spring is connected to form not-go-end behind the spring with bar, lining, form the preceding not-go-end of spring, comprise that the main body of installing around the middle part of slide block forms the flexure strip of determining angle towards the bending of hollow space front side with relative slide block with at least one, its end is pressed on the retaining wall.Be positioned at the boot section and to the boot section opening, the guide portion of slide block comprises that at least one comprises the guiding surface of recess comprising the cavity of retaining wall, when slide block during in rest position, the part of flexure strip stretches into this recess;
The width of recess is less than the width of guiding surface, is positioned at the recess edge and is two leading edges of shaped like narrow so that the guiding surface of slide block comprises;
And wherein regardless of the position of the guide portion in the boot section, all match with the boot section in the whole surface of every leading edge.
According to an embodiment, the size of recess is enough to when lining passes the boot section and enters hollow space, guarantees that flexure strip withdraws fully.
According to an embodiment, be connected with the main body of lining and the nearly portion of the flexure strip that closes on extends in the boot section fully, the main body of lining is near the guide portion of slide block.
According to an embodiment, cavity is open, and comprises the retaining wall that extends to hull outside.
According to an embodiment, lining has two flexure strips, and the guide portion of slide block has two first guiding surfaces, and two second guiding surfaces, these two second guiding surfaces comprise two recesses that receive flexure strip and are positioned at along the leading edge at recess edge.
According to an embodiment, the xsect of guide portion is " H " shape substantially, has the intermediate interdigitated place of " H ".
According to an embodiment, recess is formed at two leptoprosopy of the guide portion of slide block.
According to an embodiment, recess is formed at two the wideest of guide portion of slide block.
According to an embodiment, the middle part of slide block is the prolongation of the bar of bearing spring.
The present invention also relates to a kind of picture frame, comprise according to elastic hinge element of the present invention.
The invention still further relates to a kind of mirror pin, comprise according to elastic hinge element of the present invention.
Description of drawings
Above-mentioned and other purposes of the present invention, feature and advantage will be below to describing in detail in the explanation according to elastic hinge of the present invention, with reference to but be not limited to following accompanying drawing, wherein:
Above-mentioned Figure 1A is the sectional view of traditional elastic hinge element,
Above-mentioned Figure 1B is the side view of the hinge element shown in Figure 1A when sliding,
Fig. 2 is the skeleton view according to the partial cross section of hinge element of the present invention,
Fig. 3 is the sectional view of the housing of hinge element shown in Figure 2,
Fig. 4 is the skeleton view of the slide block of hinge element shown in Figure 2,
Fig. 5 is the skeleton view of the lining of hinge element shown in Figure 2, and
Fig. 6 is the skeleton view of slide block according to another embodiment of the present invention.
Embodiment
Fig. 2 is according to the overview of elastic hinge element 60 of the present invention, is illustrated in rest position.Element 60 comprises the housing of representing with the cross section 10 traditionally, slide block 20, and lining 30, volute spring 40 and compression spring form the compression unit 50 of the back not-go-end of spring.
In addition, cavity 13,14 for example obtains by crossing housing 10, and the feasible cavity corresponding with entering of perforating tool is the outer openings of cavity 14 at housing at this.
After having assembled lining 30, spring 40 and compression unit 50, slide block 20 passes preceding hole and enters hollow space 11, and when its slide block passed boot section 12, flexure strip 32,33 was towards the slide block bending.In case operation is finished, flexure strip just unclamps, and its end enters cavity 13,14.
According to the present invention, cavity 13,14 is made in boot section 12 self, and 12 openings in the boot section and the situation of the prior art of getting along well the same (referring to Figure 1A) are at the hollow space 11 regional opening corresponding with the middle part 23 of sliding.According to the present invention, the guide portion 22 of slide block has two recesses 220,221 again, and each all is used for receiving one nearly portion 320,330 in the flexure strip 32,33.Like this, spring 40 promotes the guide portion 22 of the main body 31 opposing slide blocks of linings, and spring compresses or substantially near compression when being preferably in slide block and being positioned at rest position.
When slide block 20 inserts hollow spaces 11, particularly when lining passes boot section 12, flexure strip 32, the 33 indentation recesses 220,221 of lining.When reaching rest position shown in Figure 2, they extend in boot section 12, and the same with the situation of prior art extension in the 23 corresponding zones, middle part of hollow space 11 and slide block.More particularly, the nearly portion 320,330 of flexure strip extends in recess 220,221, and the distal part 321,331 of flexure strip extends in cavity 13,14, and the end of flexure strip is relative with retaining wall 15,16.
When slide block is drawn forward, because of spring 40 compressions promote flexure strip opposing retaining wall 15,16.Therefore the latter blocks lining 30 translations, and spring 40 compresses between compression unit 50 and lining 30 then, and guarantees that slide block gets back to rest position.
In aforesaid hinge element structure, the length that equals flexure strip on mathematics multiply by the flexure strip 32 of the cosine of angle " A ", 33 longitudinal extension is not taken into account when the total length at the middle part 23 of determining slide block, determines that therefore the total length of slide block is also not take into account.The length at slide block middle part 23 only depends on the length of lining main body 31.As shown in Figure 5, the lining main body is a kind of square cross section ring at this, and it is for example formed by bending metals band otch, is shaped as to have two π shapes that form the vertical projections of flexure strip.
In addition, as can be seen from Figure 4, the guide portion 22 of slide block has left 22-1 and right 22-2 side surface, its provide right and the left side side directed, and go up 22-3 and following 22-4 side surface, it provides upper and lower side directed.Recess 220,221 is positioned at surperficial 22-3 and 22-4 at this, crosses the guide portion 22 length extension of half nearly.
According to the present invention, flexure strip 32,33 and recess 220,221 at this specific surface 22-3,22-4 is narrow, is advantageously located at the edge of recess 220,221, remaining narrow limit (Fig. 4, surface 22-3, limit 22-5 22-6) forms a kind of guide rail or guiding wall, it also provides the upper and lower side directed of slide block, the cross section that therefore rear portion of guide portion 22 has basic H shape.
Like this, guide portion 22 has the front portion that does not have recess, and it is at four complementary direction support slide blocks perpendicular to translated axis line, and the rear portion that has recess 220 and 221, and it also advantageously supports slide block at four direction.
Various embodiments of the present invention can be provided by the person of ordinary skill in the field.In an embodiment shown in Figure 6, recess 220 ' is manufactured in the left 22-1 and the right 22-2 side surface of the guide portion of slide block, and the height of its width and slide block is suitable, and is bigger than the width on the upper and lower surface of guide portion.
In a further embodiment, the guide portion of slide block can have circle, avette or polygonal cross-section.The recess that receives the nearly portion of flexure strip can have multiple shape, for example, when it can have the assembling hinge element with the corresponding inclined bottom of flexure strip withdrawal angle.It also can be a through hole and until the rear portion of gib, and its cross section is " H " shape that does not have the center of " H " to intersect substantially in the present embodiment.In addition, lining can comprise three or even four flexure strips, and provide the recess of respective number in the guide portion of slide block.Though symmetrical syndeton is more suitable for distributing the spring confining force in preferably, lining also can only comprise a flexure strip.Secondly, though being preferably in the recess, the nearly portion of flexure strip extends fully, making the guide portion of main body contact slipper of lining, and make the length minimum at slide block middle part, is within the scope of the invention but provide a kind of middle embodiment between prior art and the embodiment that described just now.In this embodiment, the cross section at slide block middle part 23 has to face in the lining main body and connects the expansion section that guide portion (referring to the embodiment of Figure 1B) stops the lining main body before.Therefore flexure strip comprises the nearly portion of extending along the slide block middle part, according to the middle part of recess extension of the present invention and the distal part that extends in comprising the cavity of retaining wall.Therefore, no matter which embodiment of the present invention, the cavity 13,14 with retaining wall is arranged at boot section 12, because according to recess of the present invention, the end of flexure strip 32,33 extends upwardly to the boot section.Therefore the invention enables the lining main body to move to guide portion near slide block as required, the entire length of hinge element thereby be reduced has considered to be subjected to the spring of technostress and the minimum length of guide portion simultaneously, and the fastness requirement of hinge element.
At last, though the above formation recess according to the present invention of having narrated makes that flexure strip is withdrawn fully when slide block enters the hollow space of housing, only entering housing by this way at slide block just needs this feature.
Various configurations that can hinge element manufactured according to the present invention.Though in general hinge element is fixed on the mirror pin, this hinge element also can be installed in the edge of frame, perhaps the fixed mirror foot at connecting frame edge.
Claims (11)
1. the elastic hinge element of a picture frame comprises
Housing includes the vertical hollow space that comprises the boot section and comprises the cavity of retaining wall with at least one,
Slide block is located at hollow space according to the longitudinal translation axis, comprises extending to the outer teat of hollow space, and the guide portion that cooperates with the boot section, the middle part of slide block and bar, the middle part of slide block and bar are formed by same bar,
Make slide block get back to the spring of rest position,
The compression unit of compression spring is connected to form not-go-end behind the spring with bar, and
Lining forms the preceding not-go-end of spring, comprises that the main body of installing around the middle part of slide block forms the flexure strip of determining angle towards the bending of hollow space front side with relative slide block with at least one, and its end is pressed on the retaining wall,
The cavity that it is characterized in that comprising retaining wall is positioned at the boot section and to the boot section opening,
The guide portion of slide block comprises that at least one comprises the guiding surface of recess, and slide block is when rest position, and the part of flexure strip stretches into this recess;
The width of recess is less than the width of guiding surface, is positioned at the recess edge and is two leading edges of shaped like narrow so that the guiding surface of slide block comprises;
And wherein, regardless of the position of the guide portion in the boot section, all match with the boot section in the whole surface of every leading edge.
2. elastic hinge element according to claim 1, the size that it is characterized in that recess are enough to when lining passes the boot section and enters hollow space, guarantee that flexure strip withdraws fully.
3. elastic hinge element according to claim 1 is characterized in that being connected with the main body of lining and the nearly portion of the flexure strip that closes on extends in the boot section fully, and the main body of lining is near the guide portion of slide block.
4. elastic hinge element according to claim 3 is characterized in that cavity is open, and comprises the retaining wall that extends to hull outside.
5. elastic hinge element according to claim 1, it is characterized in that lining has two flexure strips, the guide portion of slide block has two first guiding surfaces, and two second guiding surfaces, these two second guiding surfaces comprise two recesses that receive flexure strip and are positioned at along the leading edge at recess edge.
6. elastic hinge element according to claim 1 is characterized in that the xsect of guide portion is " H " shape substantially, has the intermediate interdigitated place of " H ".
7. elastic hinge element according to claim 5 is characterized in that recess is formed at two leptoprosopy of the guide portion of slide block.
8. elastic hinge element according to claim 5 is characterized in that recess is formed at two the wideest of guide portion of slide block.
9. elastic hinge element according to claim 1, the middle part that it is characterized in that slide block are the prolongations of the bar of bearing spring.
10. a picture frame comprises as each described elastic hinge element in the claim 1 to 9.
11. a mirror pin comprises as each described elastic hinge element in the claim 1 to 9.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0404911A FR2870010B1 (en) | 2004-05-06 | 2004-05-06 | COMPACT ELASTIC HINGE ELEMENT FOR EYEGLASS MOUNT |
| FR0404911 | 2004-05-06 | ||
| FR0405711 | 2004-05-27 | ||
| FR0405711A FR2870011B3 (en) | 2004-05-06 | 2004-05-27 | COMPACT ELASTIC HINGE ELEMENT FOR EYEGLASS MOUNT |
| PCT/FR2005/000820 WO2005121873A1 (en) | 2004-05-06 | 2005-04-05 | Compact elastic hinge element for a spectacle frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1981231A CN1981231A (en) | 2007-06-13 |
| CN1981231B true CN1981231B (en) | 2011-06-15 |
Family
ID=34945483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800185153A Active CN1981231B (en) | 2004-05-06 | 2005-04-05 | Compact elastic hinge element for a spectacle frame |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1981231B (en) |
| FR (1) | FR2870010B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVE20060015A1 (en) * | 2006-03-21 | 2007-09-22 | Visottica Ind Spa | REFINED ELASTIC HINGE FOR GLASSES. |
| IT1399200B1 (en) * | 2010-03-30 | 2013-04-11 | Comotec S A | FLEXIBLE HINGE FOR GLASSES |
| ITMI20111504A1 (en) * | 2011-08-05 | 2013-02-06 | Visottica Ind Spa | ELASTIC CLIP FOR FORK TROLLEYS IN ELASTIC HINGES. |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991258A (en) * | 1989-11-04 | 1991-02-12 | Obe-Werk Ohnmacht & Baumgartner Gmbh & Co. Kg | Eyeglass spring hinges |
| CN2109584U (en) * | 1992-03-03 | 1992-07-08 | 黄圃通商贸易股份有限公司 | Glasses frame |
| FR2739197B1 (en) * | 1995-09-25 | 1999-03-19 | Chevassus | ELASTIC HINGE OF SLIDING GLASSES |
| FR2793323B1 (en) * | 1999-05-06 | 2001-08-17 | Veuve Henri Chevassus Soc | ELASTIC ARTICULATION COMPONENT FOR OPTICAL MOUNT |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6505933B2 (en) * | 1992-07-27 | 2003-01-14 | Obe Ohnmacht & Baumgartner Gmbh & Co. Kg | Spring hinge for eyewear |
| CH688666A5 (en) * | 1993-06-09 | 1997-12-31 | Nationale Sa | eyeglass hinge. |
| IT1279281B1 (en) * | 1995-03-17 | 1997-12-09 | Ideal Srl | PERFECTED ARMS PARTICULARLY FOR GLASSES FRAMES AND RELATED ELASTICIZATION DEVICE |
| DE10204821A1 (en) * | 2002-02-01 | 2003-08-14 | Obe Ohnmacht & Baumgaertner | spring hinge |
-
2004
- 2004-05-06 FR FR0404911A patent/FR2870010B1/en not_active Expired - Fee Related
-
2005
- 2005-04-05 CN CN2005800185153A patent/CN1981231B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991258A (en) * | 1989-11-04 | 1991-02-12 | Obe-Werk Ohnmacht & Baumgartner Gmbh & Co. Kg | Eyeglass spring hinges |
| CN2109584U (en) * | 1992-03-03 | 1992-07-08 | 黄圃通商贸易股份有限公司 | Glasses frame |
| FR2739197B1 (en) * | 1995-09-25 | 1999-03-19 | Chevassus | ELASTIC HINGE OF SLIDING GLASSES |
| FR2793323B1 (en) * | 1999-05-06 | 2001-08-17 | Veuve Henri Chevassus Soc | ELASTIC ARTICULATION COMPONENT FOR OPTICAL MOUNT |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1981231A (en) | 2007-06-13 |
| FR2870010B1 (en) | 2006-06-16 |
| FR2870010A1 (en) | 2005-11-11 |
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