CN102262305B - Folding glasses capable of automatically bouncing - Google Patents

Abstract

The invention discloses a pair of folding glasses capable of automatically bouncing, which comprises a first eyeglass frame and a second eyeglass frame provided with lenses, and a first eyeglass leg and a second eyeglass leg, wherein the width of one end where the first eyeglass leg is connected with the first eyeglass frame is more than or equal to that of the first lens and the shape is fitted with that of the first lens; the width of one end where the second eyeglass leg is connected with the second eyeglass frame is more than or equal to that of the second lens and the shape is fitted with that of the second lens; the second eyeglass frame is elastically connected with the second eyeglass leg through a second elastic member; the first eyeglass frame and the second eyeglass frame are hinged; a positioning mechanism for keeping the first eyeglass frame and the second eyeglass frame on the same line is arranged on a hinge; and a locking mechanism for keeping the glasses in a folding state after the glasses are completely folded is arranged between the first eyeglass leg and the second eyeglass leg. The folding glasses have the advantages that: a wearer only needs to press the locking mechanism with one hand, the whole glasses can be naturally loosened and are in an available state under the tension of the elastic member.

Description

Can automatically rebounding open folding glasses

The application is that application number is " 201010162138.3 ", and the applying date is on April 6th, 2010, and denomination of invention is divided an application for " the automatically rebounding open folding glasses of ability ".

Technical field

The present invention relates to a kind of folding glasses, especially hand of a kind of need is with regard to the automatically rebounding open folding glasses of openable ability.

Background technology

Some the time, as driving or handle affairs to bank, airport, often the wearer has only a hand free time, in this case, opens glasses and just seems and be not very inconvenience.For head it off, the inventor had before proposed two parts of one Chinese patent application, and application number is respectively 200810217846.5 and 200910133429.7; Denomination of invention is " the automatically rebounding open folding glasses of ability ", and it adopts three elastic components to connect mirror leg and picture frame respectively, and picture frame and picture frame; Realize that a hand of folding glasses opens fully, still, this glasses; In practical application, it can't play two picture frames of glasses in alignment fully, and major part can only become a M shape by bullet; So, use inconvenience in addition.

Summary of the invention

The present invention seeks to overcome above-mentioned defective, provide hand of a kind of usefulness just can open glasses easily, and make between two picture frames of glasses the automatically rebounding open folding glasses of ability in line.

Another goal of the invention of the present invention is that the present invention does not need the box that gets the right lensses for one's eyeglasses in addition.

The present invention can realize through following technical scheme: design the automatically rebounding open folding glasses of a kind of ability, comprise first picture frame, in said first picture frame, be provided with first eyeglass; Second picture frame is provided with second eyeglass in said second picture frame, the first mirror leg and the second mirror leg, and the width of the end that the said first mirror leg is connected with first picture frame is more than or equal to the width of said first eyeglass, and the shape of its shape and first eyeglass matches; The width of the end that the said second mirror leg is connected with second picture frame is more than or equal to the width of said second eyeglass, and the shape of its shape and second eyeglass matches; Between said first picture frame and the first mirror leg through the first elastic component resilient connection; Between said second picture frame and the second mirror leg through the second elastic component resilient connection; Also comprise a central sill mechanism, the elastic bridge beam action is played by central sill mechanism between first picture frame and second picture frame.

Can there be following several kinds of versions in central sill mechanism among the present invention:

First kind is: said central sill mechanism comprises beam connection in the beam connection in first, second, first extension spring, second extension spring and middleware; In said first in the beam connection and second beam connection be fixed in the inboard of said first picture frame and second picture frame respectively; And have in first beam connection free end in the beam connection free end and second respectively, in said first in the beam connection free end and second the free-ended end face of beam connection be the plane; In said first, be provided with first translot on the beam connection; In second, be provided with second translot on the beam connection; Said first extension spring is arranged in said first translot; Beam connection flexibly connects in the inner of first extension spring and first, and said second extension spring is arranged in said second translot, and beam connection flexibly connects in the inner of second extension spring and second; Said middleware is in said first in the beam connection and second between the beam connection; Be respectively equipped with first pivoted hole vertical with the picture frame normal and second pivoted hole in the both sides of said middleware, in first pivoted hole, be provided with first Pivot, the outer end of said first extension spring is enclosed within on said first Pivot; In second pivoted hole, be provided with second Pivot, the outer end of said second extension spring is enclosed within on said second Pivot; The both sides of said middleware are the plane, and the side adjacent with the two sides of middleware is cambered surface; First pivoted hole or second pivoted hole arrive the radius on its corresponding plane greater than first pivoted hole or second pivoted hole to the radius of its corresponding cambered surface; Form when said glasses flick fully, the free-ended end face of beam connection is face with a side of said middleware and contacts in said first, and said first extension spring is contraction state; The free-ended end face of beam connection is face with the another side of said middleware and contacts in said second, and said second extension spring is contraction state; When said glasses drew in fully, the free-ended end face of beam connection was line with a side cambered surface of said middleware and contacts in said first, and said first extension spring is extended state; The free-ended end face of beam connection is line with the opposite side cambered surface of said middleware and contacts in said second, and said second extension spring is extended state; Upper and lower symmetry respectively is provided with a latching device that makes glasses draw back maintenance glasses folded state fully between the said first mirror leg and the second mirror leg.

In first kind of central sill mechanism; In said first translot, can also increase by first slide block; Be provided with the first slide block pivoted hole in the said first slide block outer end; On a said slide block, be provided with the first horizontal through hole, said first extension spring passes the first horizontal through hole and is enclosed within on said first Pivot; In said second translot, be provided with second slide block, be provided with the second slide block pivoted hole in the said second slide block outer end, on said two slide blocks, be provided with the second horizontal through hole, said second extension spring passes the second horizontal through hole and is enclosed within on said second Pivot.

For the improvement of girder construction in first kind, the first nose holder is established in the inboard of beam connection in said first, and the said first nose holder with said first slide block and first extension spring lid inside; The second nose holder is established in the inboard of beam connection in said second, and the said second nose holder is covered said second slide block and second extension spring inside.

Second kind is: said central sill mechanism comprises beam connection in the beam connection in first, second, first compression spring, second compression spring and middleware; Beam connection comprises brace and first time brace on first in said first; Brace and first time parallel across a certain distance inboard that is fixed in said first picture frame of brace phase on said first; On said first, be provided with beam connection pivoted hole in first on brace and first time brace; Said first compression spring is arranged on said first between brace and the first time brace; The inner of first compression spring and first picture frame are affixed, and the outer end of first compression spring is provided with first slide plate that can between brace on first and first time brace, slide; Beam connection comprises brace and second time brace on second in said second; Brace and second time parallel across a certain distance inboard that is fixed in said second picture frame of brace phase on said second; On said second, be provided with beam connection pivoted hole in second on brace and second time brace; Said second compression spring is arranged on said second between brace and the second time brace; The inner of second compression spring and second picture frame are affixed, and the outer end of second compression spring is provided with second slide plate that can between brace on second and second time brace, slide; Said middleware is in said first in the beam connection and second between the beam connection; Be respectively equipped with first pivoted hole vertical and second pivoted hole in the both sides of said middleware with the picture frame normal, in first pivoted hole, be provided with first in first Pivot that articulates of beam connection and middleware; Second Pivot that beam connection and middleware articulate in second pivoted hole, being provided with second; The both sides of said middleware are the plane, and the side adjacent with two sides is cambered surface; First pivoted hole or second pivoted hole arrive the radius on its corresponding plane greater than first pivoted hole or second pivoted hole to the radius of its corresponding cambered surface; Form when said glasses flick fully, said first slide plate is face with a side of said middleware and contacts, and said first compression spring is stretched condition; Said second slide plate is face with the another side of said middleware and contacts, and said second compression spring is stretched condition; When said glasses drew in fully, said first slide plate was line with a side cambered surface of said middleware and contacts, and said first compression spring is compressive state; Said second slide plate is line with the opposite side cambered surface of said middleware and contacts, and said second compression spring is compressive state; Between the said first mirror leg and the second mirror leg, be arranged with up and down and make glasses draw the latching device that the back keeps the glasses folded state fully in.

In second kind of central sill mechanism, be provided with first segment in the side of leaning on said middleware of said first slide plate, be provided with first depression at said middleware with respect to the position of first segment; Side of leaning on said middleware at said second slide plate is provided with second segment, is provided with second depression at said middleware with respect to the position of second segment; When glasses opened fully, said first segment withstood in said first depression, and said second segment withstands in said second depression.

The third is: said central sill mechanism comprises beam connection in the beam connection in first, second, horizontal compression spring and middleware; In said first in the beam connection and second beam connection be fixed in the inboard of said first picture frame and second picture frame respectively, and have in first beam connection free end in the beam connection free end and second respectively; In said first in the beam connection free end and second the free-ended top end face of beam connection be the plane; The side adjacent with top end face is cambered surface; In said first, be provided with beam connection pivoted hole in vertical with the picture frame normal first on the beam connection free end, in said first the beam connection pivoted hole to the radius of its corresponding cambered surface greater than radius to its plane; In said second, be provided with beam connection pivoted hole in vertical with the picture frame normal second on the beam connection free end, in said second the beam connection pivoted hole to the radius of its corresponding cambered surface greater than radius to its plane; Said middleware is in said first in the beam connection and second between the beam connection; On said middleware, be provided with a transverse groove; In said transverse groove, be provided with the horizontal compression spring; Be respectively equipped with first slide plate and second slide plate at the two ends of horizontal compression spring; Be respectively equipped with first pivoted hole vertical and second pivoted hole in the both sides of said middleware, in first pivoted hole, be provided with first Pivot that beam connection in middleware and first is articulated with the picture frame normal; In second pivoted hole, be provided with second Pivot that beam connection in middleware and second is articulated; Form when said glasses flick fully, the free-ended plane of beam connection is face with said first slide plate and contacts in said first, and the free-ended plane of beam connection is face with said second slide plate and contacts in said second, and said horizontal compression spring is stretched condition; When said glasses drew in fully, the free-ended cambered surface of beam connection was line with said first slide plate and contacts in said first, and the free-ended cambered surface of beam connection is line with said second slide plate and contacts in said second, and said horizontal compression spring is compressive state; Between the said first mirror leg and the second mirror leg, be arranged with up and down and make glasses draw the latching device that the back keeps the glasses folded state fully in.

Likewise, in the third central sill mechanism, be provided with first segment in the outside of said first slide plate, beam connection is provided with first depression with respect to the position of first segment in said first; Be provided with second segment in the outside of said second slide plate, beam connection is provided with second depression with respect to the position of second segment in said second; When glasses opened fully, said first segment withstood in said first depression, and said second segment withstands in said second depression.

Have the glasses of above-mentioned three kinds of different central sill mechanisms, all can adopt following said latching device, promptly extend internally respectively and one have contact with at the upside of the said first mirror leg and downside; The position of having contact with that corresponds on the first mirror leg at the said second mirror leg is respectively equipped with a dog hole; When glasses close up; Said having contact with just in time is hooked in the said dog hole; Be respectively equipped with elasticity by sheet in the outside of said dog hole, be provided with projection with respect to said dog hole on by sheet in elasticity, when elasticity by sheet by when the dog hole direction is pushed; Said projection said having contact with of extruding, said having contact with said dog hole broken away from; Perhaps the structure of said latching device is to extend internally respectively at the upside of the said second mirror leg and downside one to have contact with; The position of having contact with that corresponds on the second mirror leg at the said first mirror leg is respectively equipped with a dog hole; When glasses close up; Said having contact with just in time is hooked in the said dog hole; Be respectively equipped with elasticity by sheet in the outside of said dog hole, be provided with projection with respect to said dog hole on by sheet in elasticity, when elasticity by sheet by when the dog hole direction is pushed; Said projection said having contact with of extruding, said having contact with said dog hole broken away from.

Originally return and disclose the automatically rebounding open folding glasses of other a kind of ability; Comprise first picture frame, in said first picture frame, be provided with first eyeglass, second picture frame; In said second picture frame, be provided with second eyeglass; The first mirror leg and the second mirror leg, the width of the end that the said first mirror leg is connected with first picture frame is more than or equal to the width of said first eyeglass, and the shape of its shape and first eyeglass matches; The width of the end that the said second mirror leg is connected with second picture frame is more than or equal to the width of said second eyeglass, and the shape of its shape and second eyeglass matches; Between said first picture frame and the first mirror leg through the first elastic component resilient connection; Between said second picture frame and the second mirror leg through the second elastic component resilient connection; Hinged between said first picture frame and second picture frame, and on hinge, be provided with and be used to keep said first picture frame and second picture frame to be the detent mechanism of straight line; Between the said first mirror leg and the second mirror leg, be provided with and make glasses draw the latching device that the back keeps the glasses folded state fully in.

The structure of said detent mechanism is that the spring of detent mechanism is arranged in the containing hole of hinge one side connecting portion; Be provided with a ball in the outside of spring; On the opposite side connecting portion of hinge, be provided with a concave surface with respect to the position of said ball, when said first picture frame and second picture frame are straight line; Said ball just in time withstands under the effect of spring in the said concave surface, realizes said first picture frame and second picture frame location.

Said spring is arranged on the connecting portion that is connected with said first picture frame with ball, and said concave surface is arranged on the connecting portion that is connected with said second picture frame.

Said spring is arranged on the connecting portion that is connected with said second picture frame with ball, and said concave surface is arranged on the connecting portion that is connected with said first picture frame.

The structure of said detent mechanism is that the connecting portion that is positioned at nose holder one side of said hinge extends to form an extension plane to another connecting portion of said hinge; Be provided with first magnetic sheet or first iron plate in the inboard on this extension plane; On the plane of another connecting portion, be provided with and opposite polarity second magnetic sheet of first magnetic sheet with respect to said extension plane; When said first picture frame and second picture frame are straight line; Said second magnetic sheet and first magnetic sheet or the adhesive of first iron plate overlap joint realize said first picture frame and second picture frame location.

On the inwall of the said first mirror leg, be provided with first a lens protection frame that is used to collect first eyeglass that concaves; On the inwall of the second mirror leg, be provided with second a lens protection frame that is used to collect second eyeglass that concaves equally.

Said first lens protection frame and the pairing mirror leg portion of the second lens protection frame are processed with transparent or semitransparent material.

The bridge of the nose holder of folding glasses is arranged on the middle part of said picture frame inner side edge, and is connected with said picture frame elasticity.

Said first elastic component comprises first rotating shaft and first spring, and said first spring housing is in said first rotating shaft, and the two ends of first spring withstand on respectively on the inwall of first picture frame and the first mirror leg; Said second elastic component comprises second rotating shaft and second spring, and said second spring housing is in said second rotating shaft, and the two ends of second spring withstand on respectively on the inwall of second picture frame and the second mirror leg.

The present invention is owing to adopted elastic component between picture frame and picture frame; Adopt central sill mechanism or adopt detent mechanism at picture frame and picture frame, be provided with the latching device that can keep the glasses folded state after glasses are drawn in fully between the first mirror leg and the second mirror leg, therefore; The present invention has the wearer only needs one hand to push latching device; Then whole glasses can nature flick and present serviceable condition under the tension force effect of elastic component, can remove from traditionally when wearing spectacles, in spectacle case, taking out glasses; Both hands are opened just spendable trouble of glasses, make the present invention have to use convenient and advantage fast.In addition, the present invention also has the advantage that does not need to dispose in addition mirror case.

Description of drawings

Fig. 1 is the deployed configuration synoptic diagram of an embodiment of the present invention.

Fig. 2 is the amplification decomposition texture synoptic diagram of another location among Fig. 1.

Fig. 3 is the structural representation of Fig. 2 broken section.

Fig. 4 A is the amplification decomposition texture synoptic diagram of a kind of detent mechanism among Fig. 1.

Fig. 4 B is the structural representation after Fig. 4 A combination.

Fig. 4 C is the amplification decomposition texture synoptic diagram of the another kind of detent mechanism among Fig. 1.

Fig. 4 D is the sectional structure synoptic diagram after Fig. 4 C combination.

Fig. 4 is the amplification decomposition texture synoptic diagram of another detent mechanism among the present invention.

Fig. 5 is another visual angle structural representation of Fig. 4.

Fig. 6 is the amplification decomposition texture synoptic diagram of another detent mechanism among the present invention.

Fig. 7 is the structural representation at another visual angle of Fig. 6.

Fig. 8 is the structural representation after Fig. 6 makes up.

Fig. 9 is the amplification decomposition texture synoptic diagram of another detent mechanism among the present invention.

Figure 10 is the user mode structural representation of detent mechanism shown in Figure 9 on glasses.

Figure 11 is the deployed configuration synoptic diagram of another kind of embodiment of the present invention.

Figure 12 is the deployed configuration synoptic diagram of another kind of embodiment of the present invention.

Figure 13 is the decomposition texture synoptic diagram of Figure 12.

Figure 14 is the horizontal sectional structure synoptic diagram of the central sill mechanism among Figure 12.

Figure 15 is vertical sectional structure synoptic diagram of the latching device among Figure 12.

Figure 16-Figure 19 is several kinds of distressed structure synoptic diagram of the central sill mechanism among the present invention.

Figure 20 is the deployed configuration synoptic diagram of figure the third embodiment of the present invention.

Figure 21 is the sectional structure synoptic diagram of a kind of latching device among Figure 20.

Figure 22 is the sectional structure synoptic diagram of a kind of distressed structure of Figure 21.

Figure 23 is the deployed configuration synoptic diagram of another embodiment of the present invention.

Figure 24 is the structural representation of the another latching device among Figure 23.

Embodiment

See also Fig. 1, Fig. 2 and Fig. 3, what it disclosed is the automatically rebounding open folding glasses of a kind of ability, and in the present embodiment, mirror leg and picture frame are used plastic production, and first eyeglass and second eyeglass can be glass mirror, also can be high transparent resin lens.It comprises first picture frame, 1, the second picture frame 3, and the first mirror leg 5 and the second mirror leg 6; In said first picture frame 1, be provided with first eyeglass 2; In said second picture frame 3, be provided with second eyeglass 4; The width of the end that the said first mirror leg 5 is connected with first picture frame 1 is more than or equal to the width of said first eyeglass 2; The shape of its shape and first eyeglass 1 matches, and can protect first eyeglass 1 to satisfy after glasses are folding fully; The width of the end that the said second mirror leg 6 is connected with second picture frame 3 is more than or equal to the width of said second eyeglass 4, and the shape of its shape and second eyeglass 4 matches, and can protect second eyeglass 4 to satisfy after glasses are folding fully; Between said first picture frame 1 and the first mirror leg 5, be provided with first elastic component 7, said first picture frame 1 and the first mirror leg 5 are through these first elastic component, 7 resilient connection; Between said second picture frame 3 and the second mirror leg 6, be provided with second elastic component 8, said second picture frame 3 and the second mirror leg 6 are through second elastic component, 8 resilient connection; Between said first picture frame 1 and second picture frame 3, be provided with hinge 9, said first picture frame 1 and second picture frame 3 connect through hinge 9, and hinge 9 connects through hinge 92; On hinge 9, be provided with and be used to keep said first picture frame 1 and second picture frame 3 to be the detent mechanism 91 of straight line; The structure of said detent mechanism 91 is that the spring 911 of detent mechanism is arranged in the containing hole 913 of the connecting portion 912 that hinge 9 is connected with first picture frame 1 (referring to Fig. 2 and Fig. 3), and be provided with a steel ball 914 (the steel ball here just for example, in fact steel ball also can use the copper pearl to replace in the outside of spring 911; Or the ball made of other hard metal; Even beaded glass all can replace, down with), on hinge 9 and connecting portion 915 second picture frame 3; (concave surface 916 among Fig. 2 is invisible to be provided with a concave surface 916 with respect to the position of said steel ball 914; The concave surface 916 here is spherical), when said first picture frame 1 and second picture frame 3 were straight line, said steel ball 914 just in time withstood under the effect of spring 911 in the said concave surface 916; Realization keeps said first picture frame 1 and second picture frame 3 to be straight line to said first picture frame 1 and second picture frame, 3 location; This detent mechanism 91 that is constituted by spring 913, steel ball 914 and concave surface 916 (used two groups of spring keepers in the present embodiment, in fact also can descend together) only with one group of spring keeper; Except effect with location; Also have at glasses and in open process, play the effect that the buffering glasses open speed, because, when glasses are folding; Steel ball 914 is being to be against on the outer wall of connecting portion 915 of second picture frame 3 under the effect of spring 913; When glasses opened, the connecting portion 915 of the steel ball 914 and second picture frame 3 had certain friction effect, played the effect that certain buffering glasses open speed.When glasses are folding fully, with raised line 918 on the connecting portion 912 that first picture frame 1 is connected just in time be positioned at the connecting portion 915 that is connected with second picture frame 3 on groove 917, to guarantee that glasses can collapse fully.Connecting portion 912 inboards being connected with first picture frame 1 are provided with plane 9121; Connecting portion 915 inboards being connected with second picture frame 3 are provided with plane 9151; When glasses open fully, plane 9121 and plane 9151 just prop up, surpass 180 degree to prevent eye glass frame.In the present embodiment, be provided with the latching device 10 that can keep the glasses folded state after glasses are drawn in fully between the said first mirror leg 5 and the second mirror leg 6.On the said first mirror leg, 5 lateral surfaces, be provided with the pen type hook; The effect of pen type hook is after glasses are folding fully; Can glasses be hung on the pocket easily as hanging pen, on the said second mirror leg 6, be reserved with the form of a stroke or a combination of strokes groove that is used to embed pen; This form of a stroke or a combination of strokes groove can embed small-sized pen between the ball pen, uses to make things convenient for the wearer.Picture frame among the present invention can use half frame picture frame.

In the present embodiment; Said latching device 10 comprises hooked scarf 133 and elasticity folder 14, and said hooked scarf 133 is a curved surface 134 with respect to the one side of elasticity folder 14, and said elasticity folder 14 comprises intermediate plate 141; Front end at said intermediate plate 141 is provided with a hook 146; When folding glasses was drawn in, said hook 146 had been hooked under the effect of spring 142 on the said hooked scarf 133, and said hook 146 also is a curved surface with respect to the one side of said hooked scarf 133; Why said hooked scarf 133 is made as curved surface 134 with respect to the one side of elasticity folder 14; And is curved surface with said hook 146 also with respect to the one side of said hooked scarf 133, is because design can make the curved surface of said hook 146 and the curved surface of said hooked scarf 133 reduce friction like this, is beneficial to both quick interlockings.On the two sides of said intermediate plate 141, be respectively equipped with downward lug 148; Two positioning seats 144 lay respectively at the outside of said downward lug 148; Said spring 142 is enclosed within said locating shaft 143 middle parts; After said locating shaft 143 passes downward lug 148, be stuck in the said positioning seat 144 intermediate plate 141 and the first mirror leg 5 are connected together.On the said first mirror leg 5; Be provided with the support member 147 that supports said intermediate plate 141 front portions between two positioning seats 144, on said two positioning seats, 144 corresponding madial walls, be respectively equipped with the inside draw-in groove of an opening 149, the height of said support member 147 is higher than the bottom surface of said draw-in groove 149; When said locating shaft 143 is advanced in draw-in groove 149 from opening; After crossing said support member 147 tops, be stuck in the draw-in groove back segment at said support member 147 rear portions, realize location intermediate plate.The main effect of said support member 147 is that support member 147 withstands on the inwall of said hook 146, prevents that intermediate plate 141 is excessively downward under spring 142 effects, and can not correctly be hooked on the said hooked scarf 133.

In the present embodiment, on the inwall of the said first mirror leg, be provided with first a lens protection frame 131 that is used to collect first eyeglass that concaves; On the inwall of the second mirror leg, be provided with second a lens protection frame (invisible) that is used to collect second eyeglass that concaves equally; So design; Can realize after complete intact the folding of glasses, eyeglass about first eyeglass and second eyeglass being wrapped up by bearer bar fully, in case the eyeglass wearing and tearing.

The bridge of the nose holder 100 of folding glasses is arranged on the middle part of said picture frame inner side edge among the present invention, and is connected with said picture frame elasticity.Why the bridge of the nose holder of folding glasses is arranged on the middle part of said picture frame or eyeglass inner side edge; Be because this structure can make folding glasses become the folding glasses that the two sides can be used; That is to say, about the eyeglass of folding glasses and mirror leg are regardless of, can arbitrarily get and wear.Said bridge of the nose holder 100 be connected with picture frame elasticity be convenient glasses when folding, bridge of the nose holder 100 can be compressed, and reduces the thickness of folding glasses.

In the present embodiment, said first lens protection frame and the pairing mirror leg portion of the second lens protection frame can be processed with transparent or semitransparent material.

Among the present invention, first elastic component 7 that is adopted is identical with the structure of second elastic component 8, and they all comprise locating shaft and spring, and said spring housing is on said locating shaft.Said first elastic component 7 comprises that (locating shaft described in the practical application can be a screw rod to first locating shaft 71; With the existing used the same structure of screw rod of glasses) and first spring 72; Said first spring 72 is enclosed within on said first locating shaft 71, and the two ends 73,74 of first spring 72 withstand on respectively on the inwall of first picture frame 1 and the first mirror leg 5; An end 74 that withstands on the first mirror leg 5 of said first spring 72 can prolong in lens protection frame 131; Form a dossal end 75 that is used to hang cleaning cloth for glasses; Can the cleaning cloth for glasses that fold in advance be collected in the said lens protection frame 131 through this dossal end 75; When needs use cleaning cloth for glasses, can take from lens protection frame 131 easily; In the present embodiment; Said first elastic component 7 also comprises an installation sheet 76; On said inner bottom surface by load 76, be provided with two first lugs 761, on said first picture frame 1, be provided with and said first lug, 761 corresponding second lugs 110, said first locating shaft 71 interts in said first lug 761 and second lug 110; The installation sheet 76 and first picture frame 1 are linked together, and said first spring is on the locating shaft between two second lugs 110 71.This structure is convenient to the installation between first elastic component 7 and the first mirror leg 5.That is to say, when assembled glasses, earlier install first elastic component 7 by said structure, then, with installation sheet with pasting or alternate manner is fixed on the inwall of lens protection frame 131 of front end of the first mirror leg and gets final product.

The structure of second elastic component 8 is identical with the structure of first elastic component 7.Said second elastic component 8 comprises second locating shaft and second spring, and said second spring housing is on said second locating shaft, and the two ends of second spring withstand on respectively on the inwall of second picture frame and the second mirror leg.

See also Fig. 4 A and Fig. 4 B, Fig. 4 A is the amplification decomposition texture synoptic diagram of a kind of detent mechanism among Fig. 1.Fig. 4 B is the structural representation after Fig. 4 A combination.Said detent mechanism 91 among the present invention can be designed to comprise retainer spring 930; Said retainer spring 930 is enclosed within on the hinge 92 of hinge 9; Among the figure; Said retainer spring 930 is located at the lower end of hinge 92; And compress through the nut 931 that is threaded with hinge 92, at this moment, retainer spring 930 can compress the connecting portion 912 of the hinge 9 one sides connecting portion 915 with hinge 9 opposite sides; On connecting portion 915 bottom face in contact of the connecting portion of hinge 9 one sides 912 and hinge 9 opposite sides, be respectively equipped with two pairs of convexities 932 and concave surface 916 (among the present invention; A convexity 932 and a concave surface 916 are called a pair of convexity and concave surface), wherein a pair of protruding 932 is unequal with the size of concave surface 916 to protruding 932 with the size of concave surface 916 and another, and promptly wherein a pair of protruding 932 are greater than or less than another to protruding 932 and the cambered surface size of concave surface 916 with the cambered surface size of concave surface 916; Like this, when glasses were opened fully, the corresponding convexity 932 of size just in time was stuck in the concave surface 916, makes the maintenance linear state of said first picture frame 1 and second picture frame 3; And when glasses will draw in or be folding, said protruding 932 had rotated certain angle with respect to said concave surface 916, because the cambered surface size of two convexities 932 is unequal; So; Big convexity 932 can not drop in the little concave surface 916, though little convexity 932 can fall in the big concave surface 916 because both size difference; Under this state, both do not have the effect of locking.In the present embodiment; Explain with two pairs of convexities 932 and 916 pairs of principle of the invention of concave surface, still, this embodiment can not be used for limiting the present invention; In fact; Convexity 932 among the present invention can be arranged to the structure greater than two pairs with concave surface 916, as long as wherein have at least a pair of protruding 932 unequally with the cambered surface size of concave surface 916 with other convexity 932 with concave surface 916, promptly can realize the object of the invention.For connecting portion 915 bottom face in contact of the connecting portion that guarantees hinge 9 one sides 912 with hinge 9 opposite sides; After said two pairs of convexities 932 and concave surface 916 engage; Can not wait, and cause between two bottom surfaces gradiently, can establish a right cylinder in the cambered surface rear end of little convexity 932 because of the cambered surface size of two pairs of convexities 932 and concave surface 916; To guarantee that two convexities 932 are highly consistent (certainly; When convexity during greater than two, also can a cylindrical structure be established in the cambered surface rear end of the convexity 932 of wherein less convex design Cheng Zaixiao, adjust the height of little convexity 932).In addition, in the present embodiment, only used a retainer spring 930, and be located at the lower end of hinge 92, in fact, when using a retainer spring 930, retainer spring 930 also can be located at the upper end of hinge 92; Perhaps respectively establish a retainer spring 930 in the top and bottom of hinge 92.Also can play same effect.Nut 931 in the present embodiment can independently be provided with, and upper bottom surface or bottom surface that also can picture frame connecting portion 915 be connected as a single entity.In the present embodiment, if even there are the certain height error in big convexity and little convexity, because the existence of retainer spring 930 can not have influence on normal use yet.

See also Fig. 4 C and Fig. 4 D, Fig. 4 C is the amplification decomposition texture synoptic diagram of the another kind of detent mechanism among Fig. 1.Fig. 4 D is the sectional structure synoptic diagram after Fig. 4 C combination.Detent mechanism 91 shown in Fig. 4 C and Fig. 4 D and Fig. 2 and the described detent mechanism 91 of Fig. 3, its general structure is identical, and different is: the spring 911 of said detent mechanism 91 is arranged in vertical containing hole 933 of the connecting portion 915 that hinge 9 is connected with second picture frame 3; Be provided with a steel ball 914 (the steel ball here just for example in the lower end of spring 911; In fact steel ball also can use the copper pearl to replace, or the ball made of other hard metal, even beaded glass all can replace; Down together); On hinge 9 and connecting portion 912 first picture frame 1, be provided with a concave surface 916 with respect to the position of said steel ball 914, the upper end of spring 911 is sealed by plug 919; When said first picture frame 1 and second picture frame 3 are straight line; Said steel ball 914 just in time withstands under the effect of spring 911 in the said concave surface 916, realizes keeping said first picture frame 1 and second picture frame 3 to be straight line to said first picture frame 1 and second picture frame, 3 location; In the present embodiment; Said spring 911, steel ball 914 and concave surface 916 are two covers; Wherein the size of spring 911, steel ball 914 and the concave surface 916 of a cover is unequal with another set of size, and promptly wherein a pair of protruding 932 are greater than or less than another to protruding 932 and the cambered surface size of concave surface 916 with the cambered surface size of concave surface 916; When glasses were opened fully, the corresponding steel ball 914 of size just in time was stuck in the concave surface 916, makes the maintenance linear state of said first picture frame 1 and second picture frame 3; And when glasses will draw in or be folding, said steel ball 914 had rotated certain angle with respect to said concave surface 916, because the size of two steel balls 914 is unequal, so big steel ball 914 can not drop in the little concave surface 916, does not have the effect of locking.In the present embodiment, if even there are the certain height error in big convexity and little convexity, because the existence of retainer spring 930 can not have influence on normal use yet.

See also Fig. 4 and Fig. 5, Fig. 4 and shown in Figure 5 be the amplification decomposition texture synoptic diagram of the another kind of detent mechanism among the present invention.Wherein, Fig. 5 is another visual angle structural representation of Fig. 4.Among this embodiment; Spring 911 in the said detent mechanism 91 and steel ball 914 are positioned at the containing hole 913 of the connecting portion 915 that is connected with second picture frame 3; Be provided with plug 919 in case spring 911 ejects in containing hole 913 with steel ball 914 in the rear end of spring 911; Simultaneously, also can play the pressure of 911 pairs of steel balls 914 of regulating spring; Said concave surface 916 then is arranged on the connecting portion 912 that is connected with second picture frame 1; Likewise; When said first picture frame 1 and second picture frame 3 were straight line, said steel ball 914 just in time withstood on (the concave surface 916 here is vertical groove shape, helps the clearance fit of steel ball and concave surface 916 more) in the said concave surface 916 under the effect of spring 911; Realization keeps said first picture frame 1 and second picture frame 3 to be straight line to said first picture frame 1 and second picture frame, 3 location.

See also Fig. 6, Fig. 7 and Fig. 8, Fig. 6 to Fig. 8 is the amplification decomposition texture synoptic diagram of another detent mechanism among the present invention.Wherein, Fig. 7 is the structural representation at another visual angle of Fig. 6; Fig. 8 is the structural representation after Fig. 6 makes up.Said spring 911 is made into an one-piece construction 920 with steel ball 914; This one-piece construction 920 can be slided through chute 922 and slide block 923 with respect to the connecting portion that links to each other with first picture frame 912 of hinge 9 relatively; Tail end in said one-piece construction 920 is provided with second spring 921, on hinge 9 and connecting portion 915 that second picture frame 3 links to each other, is provided with concave surface 916.Obviously, this one-piece construction 920 also can be designed to can be with respect on hinge 9 and the connecting portion 915 that second picture frame 3 links to each other, and said concave surface 916 is arranged on the structure on said hinge 9 and the connecting portion 912 that first picture frame links to each other, can play same effect.

Fig. 9 is the amplification decomposition texture synoptic diagram of another detent mechanism among the present invention.The structure of the said detent mechanism 91 shown in Fig. 9 is that the connecting portion 912 that is positioned at nose holder 100 1 sides at said hinge 9 extends to form an extension plane 924 to another connecting portion 915 of said hinge 9; Be provided with first magnetic sheet 925 (this first magnetic sheet 925 can replace with iron plate) in the inboard on this extension plane 924; On the plane 926 of another connecting portion 915, be provided with and first magnetic sheet, 925 opposite polarity second magnetic sheets 927 with respect to said extension plane 924; When said first picture frame 1 and second picture frame 3 are straight line; Said second magnetic sheet 927 and first magnetic sheet 925 or the adhesive of first iron plate overlap joint realize said first picture frame 1 and second picture frame, 2 location.Through test; If first magnetic sheet 925 and second magnetic sheet 927 are arranged on the mutual magnetic effect in termination of said connecting portion 912 and connecting portion 915; Not as the above-mentioned mode magnetic that magnetic sheet 925,927 overlap joint is set effective because, if the suction of magnet point is to lean on the two ends termination; The arm of force that at all can't stop spectacle-frame and leg always is M shape after glasses open.Just imagine, the rod of two rectangles, respectively there is a magnet on the top, and termination is also leaned on together, at this moment picks up any rod, and the another one rod must fall down; Like mode according to mutual overlap joint; It is fixed that the magnetic induction density of magnet only need just can be inhaled mutually more than or equal to two frame legs of 2500 Gausses; Just adorn two face magnet,, just can take a rod suction to hold up an other rod as long as corresponding magnetic force is arranged like place, two nearly two ends of rod.Among the present invention, the magnetic induction density of said first magnetic sheet 925 or second magnetic sheet 927 is preferably more than or equal to 2500 Gausses.

Figure 10 is the user mode structural representation of detent mechanism on glasses shown in Figure 9.

See also Figure 11, Figure 11 is the deployed configuration synoptic diagram of another kind of embodiment of the present invention.Its mirror leg structure of glasses shown in Figure 11 is different; It has one section downward inflexed segmental arc 112, in order to guarantee that glasses when folding, do not influence the thickness of glasses; Preferably segmental arc 112 also is arranged to through elastic component 111 elasticity ways of connecting; Like this, when glasses were collapsed fully, said segmental arc 112 can suitably outwards open; When glasses are opened fully, under the effect of elastic force, can return to the state of wearing again.Elasticity in this programme connects the structure that also can be designed to the spring connection, is similar to the structure of first elastic component.

Bridge of the nose holder 100 in the accompanying drawing 11 and segmental arc 112 are that elasticity connects, and this structure mainly is to be used for prescription glasses and sunglasses, because; The size of prescription glasses and sunglasses is bigger, and bridge of the nose holder 100 is not arranged in the middle of the picture frame, and what the position of bridge of the nose holder 100 should be with common glasses is the same; And the rear end of mirror leg (being segmental arc 112) will fit inwardly curved by standard, and segmental arc 112 certainly will will cause its thickness broad of the folding back of folding glasses, so; Bridge of the nose holder 100 in the present embodiment and segmental arc 112 elasticity of demand connect; When glasses were collapsed fully, bridge of the nose holder 100 and segmental arc 112 all can be by suitable compressions, and reduce glasses by the thickness after collapsing fully.

See also Figure 12 and Figure 13, it is the automatically rebounding open folding glasses of another kind of ability that Figure 12 and Figure 13 disclose, and comprises first picture frame 1, in said first picture frame 1, is provided with first eyeglass 2; Second picture frame 3; In said second picture frame 3, be provided with second eyeglass 4; The first mirror leg 5 and the second mirror leg 6, the width of the end that the said first mirror leg 5 is connected with first picture frame 1 is more than or equal to the width of said first eyeglass 2, and the shape of its shape and first eyeglass 2 matches; The width of the end that the said second mirror leg 6 is connected with second picture frame 3 is more than or equal to the width of said second eyeglass 4, and the shape of its shape and second eyeglass matches; Between said first picture frame 1 and the first mirror leg 5 through first elastic component 7 (structure the is same as described above) resilient connection; Connect through the second elastic component elasticity 8 (structure is same as described above) between said second picture frame 3 and the second mirror leg 6; One central sill mechanism 120; Said central sill mechanism 120 comprises in first beam connection 122, first extension spring (invisible), second extension spring 123 and middleware 124 in the beam connection 121, second; In said first in the beam connection 121 and second beam connection 122 be fixed in the inboard of said first picture frame 1 and second picture frame 3 respectively; And have in first beam connection free end 1221 in the beam connection free end 1211 and second respectively, in said first in the beam connection free end 1211 and second end face of beam connection free end 1221 be the plane; In said first, be provided with first translot on the beam connection 121; In second, be provided with second translot 1222 on the beam connection 122, said first extension spring is arranged in said first translot, and beam connection 121 flexibly connects in the inner of first extension spring and first; Specifically; Can in first, establish a vertical groove on the beam connection 121, establish a register pin, the inner of first extension spring is enclosed within on the said register pin at groove; Said second extension spring 123 is arranged in said second translot 1222; Beam connection 122 flexibly connects in the inner of second extension spring 123 and second; Specifically; Can in second, also establish a vertical groove on the beam connection 122, establish a register pin, the inner of second extension spring 123 is enclosed within on the said register pin at groove; Said middleware 124 is in said first in the beam connection 121 and second between the beam connection 122; Be respectively equipped with first pivoted hole 1241 vertical and second pivoted hole 1242 with the picture frame normal in the both sides of said middleware 124; In first pivoted hole 1241, be provided with first Pivot 1243, the outer end of said first extension spring is enclosed within on said first Pivot 1243; In second pivoted hole 1242, be provided with second Pivot 1244, the outer end of said second extension spring 123 is enclosed within on said second Pivot 1244; The both sides of said middleware 124 are plane 1245,1246, with 1245, the 1246 adjacent sides, two sides of middleware 124 be cambered surface 1247,1248; First pivoted hole 1241 to the radius R 2 of its corresponding cambered surface 1247 or second pivoted hole, 1242 its corresponding cambered surfaces 1248 greater than first pivoted hole 1241 to its corresponding plane 1245 or second pivoted hole 1242 to the radius R 1 on its corresponding plane 1246; Like this, just can form when said glasses flick fully, the end face 1211 of beam connection free end 121 is face with the corresponding plane 1245 of said middleware 124 and contacts in said first, and said first extension spring is contraction state; The end face 1221 of beam connection free end 122 is face with the plane 1246 of said middleware 124 and contacts in said second, and said second extension spring 123 is contraction state, and promptly steady state (SS) is convenient to eyeglasses-wearing; When said glasses draw in fully; The end face 1211 of beam connection free end 121 is line with its corresponding cambered surface 1247 of said middleware 124 and contacts in said first; Said first extension spring is extended state, is in unsteady state, is in the state that will get back to steady state (SS) constantly; The end face 1221 of beam connection free end 122 is line with its corresponding cambered surface 1248 of said middleware 124 and contacts in said second; Said second extension spring 123 is extended state; Be in unsteady state; Constantly be in the state (referring to Figure 14, the solid line state among Figure 14 is a steady state (SS), and the dotted line state is a unsteady state) that to get back to steady state (SS); Upper and lower symmetry respectively is provided with a latching device 10 that makes glasses draw back maintenance glasses folded state fully between the said first mirror leg 5 and the second mirror leg 6.In the present embodiment; In said first translot, be provided with first slide block 125; Be provided with the first slide block pivoted hole in the said first slide block outer end 125; On said first slide block 125, be provided with the first horizontal through hole 1251, said first extension spring passes the first horizontal through hole 1251 and is enclosed within on said first Pivot 1243; In said second translot 1222, be provided with second slide block 126; Be provided with the second slide block pivoted hole 1261 in said second slide block 126 outer ends; On said second slide block 126, be provided with the second horizontal through hole 1262, said second extension spring 123 passes the second horizontal through hole 1262 and is enclosed within on said second Pivot 1244.The first nose holder 101 is established in the inboard of beam connection 121 in said first, and the said first nose holder 101 is covered said first slide block 125 and first extension spring inside; The second nose holder 102 is established in the inboard of beam connection 122 in said second, and the said second nose holder 102 is covered said second slide block 126 and second extension spring 123 inside.On the said second mirror leg, be provided with pen type hook 200.

Said latching device 10 is except that can adopting the latching device described in Fig. 1-Figure 11; Said latching device 10 can be designed to two; A top that is positioned at the mirror leg; A bottom that is positioned at the mirror leg, the structure that is positioned at the latching device 10 on mirror leg top are that the upside at the said first mirror leg 5 extends internally and one has contact with 103, said have contact with on 103 lifting lug 1031 upwards; 103 the position of having contact with that corresponds on the first mirror leg 5 at the said second mirror leg 6 is respectively equipped with a dog hole 104; When glasses close up; Saidly have contact with 103 and just in time be hooked in the said dog hole 104, be provided with elasticity by sheet 105, be provided with projection 106 with respect to said dog hole 104 on by sheet 105 in elasticity in the outside of said dog hole 104; When elasticity by sheet 105 by when dog hole 104 directions are pushed; Extruding is said has contact with 103 for said projection 106, will saidly have contact with 103 and break away from (referring to Figure 15, down together) with said dog hole 104; Likewise; Structure at the latching device 10 that is positioned at mirror leg bottom is similar with it; It is to be symmetrical in above-mentioned latching device 10 at the first mirror leg 5 also to be provided with a latching device in addition; The structure in the structure of this latching device and above-mentioned snap close machine district is basic identical, and it is that upside at the said respectively first mirror leg 5 of downside extends internally and one has contact with 103, and the said lifting lug 1031 that has contact with on 103 is downward; 103 the position of having contact with that corresponds on the first mirror leg 5 at the said second mirror leg 6 is respectively equipped with a dog hole 104; When glasses close up; Saidly have contact with 103 and just in time be hooked in the said dog hole 104; Be provided with elasticity by sheet 105 in the outside of said dog hole 104, be provided with projection 106 with respect to said dog hole 104 on by sheet 105 in elasticity, when elasticity by sheet 105 by when dog hole 104 directions are pushed; Extruding is said has contact with 103 for said projection 106, will saidly have contact with 103 with said dog hole 104 disengagings.

Obviously, said latching device 10 also can be designed to have contact with 103 be positioned at the said second mirror leg 6 on, and dog hole 104 is positioned at the structure on the first mirror leg 5 with elasticity by sheet 105, its effect is the same, concrete structure is here no longer sewed and is stated.

See also Figure 16, it is a kind of distressed structure synoptic diagram of the central sill mechanism 120 among the present invention.Central sill mechanism 120 shown in the figure; Comprise in first in the beam connection 121, second beam connection 122, first compression spring 127, second compression spring 128 and middleware 124; Beam connection 121 comprises brace 1212 and first time brace 1213 on first in said first; Brace 1212 and first time parallel across a certain distance inboard that is fixed in said first picture frame 1 of brace 1213 phases on said first; On said first, be provided with beam connection pivoted hole 1214 in first on brace 1212 and first time brace 1213; Said first compression spring 127 is arranged on said first between brace 1212 and the first time brace 1213; The inner of first compression spring 127 and first picture frame 1 are affixed, and the outer end of first compression spring 127 is provided with first slide plate 1215 that can between brace on first 1212 and first time brace 1213, slide; Beam connection 122 comprises brace 1222 and second time brace 1223 on second in said second; Brace 1222 and second time parallel across a certain distance inboard that is fixed in said second picture frame 3 of brace 1223 phases on said second; On said second, be provided with beam connection pivoted hole 1224 in second on brace 1222 and second time brace 1223; Said second compression spring 128 is arranged on said second between brace 1222 and the second time brace 1223; The inner of second compression spring 128 and second picture frame 3 are affixed, and the outer end of second compression spring 128 is provided with second slide plate 1225 that can between brace on second 1222 and second time brace 1223, slide; Said middleware 124 is in said first in the beam connection 121 and second between the beam connection 122; Be respectively equipped with first pivoted hole 1241 vertical and second pivoted hole 1242 in the both sides of said middleware 124 with the picture frame normal, in first pivoted hole 1241, be provided with first in first Pivot 1243 that articulates of beam connection 121 and middleware 124; Second Pivot 1244 of beam connection 122 and middleware 124 pivot joints in second pivoted hole 1242, being provided with second; The both sides of said middleware 124 are plane 1245,1246, and the side adjacent with two sides is cambered surface 1247,1248; First pivoted hole 1241 or second pivoted hole 1242 arrive the radius on its corresponding plane 1245,1246 greater than first pivoted hole 1241 or second pivoted hole 1242 to the radius of its corresponding cambered surface 1247,1248; Form when said glasses flick fully, said first slide plate 1215 is face with a side plane 1245 of said middleware 124 and contacts, and said first compression spring 127 is stretched condition; Said second slide plate 1225 is face with the opposite side plane 1246 of said middleware 124 and contacts, and said second compression spring 128 is stretched condition, steady state (SS); When said glasses drew in fully, said first slide plate 1215 was line with a side cambered surface 1247 of said middleware 124 and contacts, and said first compression spring 127 is compressive state; Said second slide plate 1225 is line with the opposite side cambered surface 1248 of said middleware 124 and contacts, and said second compression spring 128 is compressive state, unsteady state; The structure of latching device 10 is (down together) as stated.

See also Figure 17, it is the another kind of distressed structure synoptic diagram of the central sill mechanism 120 among the present invention.The structure of it and central sill mechanism 120 shown in Figure 16 is basic identical; Different is is provided with first segment (invisible) in the side of leaning on said middleware 124 of said first slide plate 1215, is provided with first depression 150 at said middleware 124 with respect to the position of first segment; Side of leaning on said middleware 124 at said second slide plate 1225 is provided with second segment 12251, is provided with second depression 160 at said middleware 124 with respect to the position of second segment 12251; When glasses opened fully, said first segment withstood in said first depression 150, and said second segment 12251 withstands in said second depression 160, is in steady state (SS), and unsteady state repeats no more as stated.

See also Figure 18, it is the third distressed structure synoptic diagram of the central sill mechanism 120 among the present invention.Said central sill mechanism 120 comprises in first beam connection 122, horizontal compression spring 129 and middleware 124 in the beam connection 121, second; In said first in the beam connection 121 and second beam connection 122 be fixed in the inboard of said first picture frame 1 and second picture frame 3 respectively, and have in first beam connection free end 1224 in the beam connection free end 1214 and second respectively; In said first in the beam connection free end 1214 and second top end face of beam connection free end 1224 be the plane; The side adjacent with top end face is cambered surface 170,180; In said first, be provided with beam connection pivoted hole 1241 in vertical with the picture frame normal first on the beam connection free end 1214, in said first beam connection pivoted hole 1241 to the radius of its corresponding cambered surface 170 greater than radius to its plane; In said second, be provided with beam connection pivoted hole 1242 in vertical with the picture frame normal second on the beam connection free end 1221, in said second beam connection pivoted hole 1242 to the radius of its corresponding cambered surface 180 greater than radius to its plane; Said middleware 124 is in said first in the beam connection 121 and second between the beam connection 122; On said middleware 124, be provided with a transverse groove; In said transverse groove, be provided with horizontal compression spring 129; Be respectively equipped with first slide plate 1215 and second slide plate 1225 at the two ends of horizontal compression spring 129; Be respectively equipped with first pivoted hole 1241 vertical and second pivoted hole 1242 in the both sides of said middleware 124 with the picture frame normal, in first pivoted hole 1241, be provided with middleware 124 and first in first Pivot 1243 that articulates of beam connection 121; Second Pivot 1244 that beam connection 122 articulates in second pivoted hole 1242, being provided with middleware 124 and second; Form when said glasses flick fully; The plane of beam connection free end 1214 is face with said first slide plate 1215 and contacts in said first; The plane of beam connection free end 1224 is face with said second slide plate 1225 and contacts in said second, and said horizontal compression spring 129 is stretched condition; When said glasses draw in fully; The cambered surface 170 of beam connection free end 1214 is line with said first slide plate 1215 and contacts in said first; The cambered surface 180 of beam connection free end 1224 is line with said second slide plate 1225 and contacts in said second, and said horizontal compression spring 129 is compressive state.

See also Figure 19, it is the 4th a kind of distressed structure synoptic diagram of the central sill mechanism 120 among the present invention.It is compared with embodiment shown in Figure 180, and its basic structure is identical, and different is to be provided with first segment 12151 in the outside of said first slide plate 1215, and beam connection 121 is provided with first depression 150 with respect to the position of first segment 12151 in said first; Be provided with second segment (invisible) in the outside of said second slide plate 1225, beam connection 122 is provided with second depression 160 with respect to the position of second segment in said second; When glasses opened fully, said first segment 12151 withstood in said first depression 150, and said second segment withstands in said second depression 160.

Among above-mentioned each embodiment, on the inwall of the said first mirror leg, all can be designed to, be provided with first a lens protection frame 131 that is used to collect first eyeglass that concaves; On the inwall of the second mirror leg, be provided with second a lens protection frame (invisible) that is used to collect second eyeglass that concaves equally; So design; Can realize after complete intact the folding of glasses, eyeglass about first eyeglass and second eyeglass being wrapped up fully, in case the eyeglass wearing and tearing.Said first lens protection frame and the pairing mirror leg portion of the second lens protection frame can be processed with transparent or semitransparent material.

See also Figure 20, Figure 20 is the deployed configuration synoptic diagram of figure the third embodiment of the present invention.Embodiment illustrated in fig. 20 and embodiment illustrated in fig. 12, its general structure is identical, and different is that latching device is different, and the structure of the latching device among Figure 20 is simpler.This latching device is shown in figure 21, and its structure is to extend internally respectively at the upside of the said second mirror leg 6 and downside and one have contact with 103 in (among the figure downside have contact with invisible), saidly has contact with 103 lifting lug 1031 all outwardly; 103 the position of having contact with corresponding on the inwall of the said first mirror leg 5 on the second mirror leg 6 is respectively equipped with a hook groove or dog hole 104; When glasses close up; Saidly have contact with 103 and just in time be hooked in said hook groove or the dog hole 104; During use, when directly inwardly pushing the side (when using plastic production, there is certain elasticity this side) of the second mirror leg 6 by the haircut direction; Said lifting lug 1031 and hook groove or dog hole 104 are broken away from, reach the purpose of opening glasses;

Obviously, said latching device 10 (draw) also can be designed to be to extend internally respectively at the upside of the said first mirror leg 5 and downside and one have contact with 103, saidly has contact with 103 lifting lug 1031 all outwardly; 103 the position of having contact with corresponding on the inwall of the said second mirror leg 6 on the first mirror leg 5 is respectively equipped with a hook groove or dog hole 104; When glasses close up, saidly have contact with 103 and just in time be hooked in said hook groove or the dog hole 104, when directly inwardly pushing the side of the first mirror leg 5, said lifting lug 1031 and hook groove or dog hole 104 are broken away from.

See also Figure 22, shown in Figure 22 is another kind of latching device, and the structure of this latching device 10 is to extend internally respectively at the upside of the said second mirror leg 6 and downside one to have contact with 103, saidly has contact with 103 lifting lug 1031 all inwardly; 103 the position of having contact with corresponding on the outer wall of the said first mirror leg 5 on the second mirror leg 6 is respectively equipped with a hook groove or dog hole 104; When glasses close up, saidly have contact with 103 and just in time be hooked in said hook groove or the dog hole 104, when directly inwardly pushing the side (when use plastic production, there is certain elasticity this side) of the first mirror leg 5, said lifting lug 1031 and hook groove or dog hole 104 disengagings.

Certainly, said latching device 10 (draw) also can be designed to extend internally respectively at the upside of the said second mirror leg 6 and downside and one have contact with 103, saidly has contact with 103 lifting lug 1031 all inwardly; 103 the position of having contact with corresponding on the outer wall of the said first mirror leg 5 on the second mirror leg 6 is respectively equipped with a hook groove or dog hole 104; When glasses close up, saidly have contact with 103 and just in time be hooked in said hook groove or the dog hole 104, when directly inwardly pushing the side of the second mirror leg 6 in the direction of arrows, said lifting lug 1031 and hook groove or dog hole 104 are broken away from.

See also Figure 23 and Figure 24, Figure 23 is the deployed configuration synoptic diagram of another embodiment of the present invention.

Figure 24 is the structural representation of the another latching device among Figure 23.From embodiment illustrated in fig. 23 and embodiment illustrated in fig. 12 comparing; Its general structure is identical; Different is that the first mirror leg 5 and the second mirror leg 6 are laminar (thickness is preferably 2-4mm); The structure of said latching device 10 one has contact with 103 for extending internally respectively at the upside of the said second mirror leg 6 and downside, saidly has contact with 103 lifting lug 1031 all inwardly; On the lateral surface of the said first mirror leg 5, be provided with back down said have contact with 103 back down mechanism 400; The said mechanism 400 that backs down comprises symmetrically arranged two arc levers 410; For backing down portion 420, the other end of arc lever 410 is press section 430, is provided with fulcrum 440 at the middle part of arc lever 410 at an end of arc lever 410; Arc lever 410 is movably connected on the lateral surface of the first mirror leg 5 at fulcrum 440 places with pin or screw; When glasses closed up, said 103 the lifting lug 1031 of having contact with was hooked on the lateral surface of the said first mirror leg 5, and with said to back down portion 420 corresponding; When needs are opened glasses, the press section 430 that only need manually push arc lever 410, then the portion that backs down 420 of arc lever 410 will back down and have contact with 103, and glasses can automatically spring open.To back down mechanism's 400 automatically reset purposes in order reaching to make, can between two arc levers 410, extension spring 450 to be set, extension spring 450 two ends are hooked in respectively on the two arc levers 410 by backing down portion's 420 1 sides; Perhaps can between two arc levers 410, lean on press section 430 1 sides that spring (not drawing among the figure) is set, both ends of the spring is hooked in respectively on the two arc levers 410; To back down mechanism 400 in order protecting, cover plate 460 can also to be set in the said outside of backing down mechanism 400.

Obviously, the structure of latching device 10 also can be designed to be arranged on the first mirror leg 5 having contact with 103, is arranged on the structure on the second mirror leg 6 and will back down mechanism 400, and its effect and the above embodiments are identical.

Among the above-mentioned various embodiment, establish the hanging hole 300 of convenient suspension glasses, when in the supermarket, selling,, just can hang through this hanging hole 300 in order not occupy at the tail end of the said first mirror leg 5 and the second mirror leg 6; In use, people also can hang on the indoor hook as required and easily.

The instance of the above is a preferred embodiments of the present invention, is not to limit practical range of the present invention, so all equivalences of doing according to described characteristic of claim of the present invention and principle change or modify, includes in claim of the present invention.

Claims (2)

1. automatically rebounding open folding glasses of ability; Comprise first picture frame, in said first picture frame, be provided with first eyeglass, second picture frame; In said second picture frame, be provided with second eyeglass; The first mirror leg and the second mirror leg, the width of the end that the said first mirror leg is connected with first picture frame is more than or equal to the width of said first eyeglass, and the shape of its shape and first eyeglass matches; The width of the end that the said second mirror leg is connected with second picture frame is more than or equal to the width of said second eyeglass, and the shape of its shape and second eyeglass matches; Between said first picture frame and the first mirror leg through the first elastic component resilient connection; Between said second picture frame and the second mirror leg through the second elastic component resilient connection; It is characterized in that, hinged between said first picture frame and second picture frame, and on hinge, be provided with and be used to keep said first picture frame and second picture frame to be the detent mechanism of straight line; Between the said first mirror leg and the second mirror leg, be provided with and make glasses draw the latching device that the back keeps the glasses folded state fully in; The structure of said detent mechanism is to comprise retainer spring; Said retainer spring is enclosed within on the hinge of hinge, and is compressed by nut, on the connecting portion bottom face in contact of the connecting portion of hinge one side and hinge opposite side, is respectively equipped with two pairs of convexities and concave surface; The size of wherein a pair of convexity and concave surface and another size to protruding and concave surface are unequal; When glasses were opened fully, the corresponding convexity of size just in time was stuck in the concave surface, makes the maintenance linear state of said first picture frame and second picture frame; When glasses will draw in or be folding; Said convexity has been rotated certain angle with respect to said concave surface, and big convexity can not drop in the little concave surface, though little convexity can be fallen in the big concave surface; Because both size difference, both do not have the effect of locking.

2. the automatically rebounding open folding glasses of ability according to claim 1 is characterized in that, on the inwall of the said first mirror leg, is provided with first a lens protection frame that is used to collect first eyeglass that concaves; On the inwall of the second mirror leg, be provided with second a lens protection frame that is used to collect second eyeglass that concaves equally, after complete intact the folding of glasses, eyeglass about first eyeglass and second eyeglass wrapped up by bearer bar fully, in case the eyeglass wearing and tearing.

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