WO2011054197A1

WO2011054197A1 - Foldable spectacles capable of automatically springing open

Info

Publication number: WO2011054197A1
Application number: PCT/CN2010/072043
Authority: WO
Inventors: 王苏元; 王华杰
Original assignee: 周蓓华
Priority date: 2009-11-09
Filing date: 2010-04-22
Publication date: 2011-05-12

Abstract

Foldable spectacles capable of automatically springing open comprise a first spectacle frame (1) in which a first spectacle lens (2) is provided, a second spectacle frame (3) in which a second spectacle lens (4) is provided, a first spectacle leg (5) and a second spectacle leg (6). The first spectacle frame (1) is elastically connected with the first spectacle leg (5) by a first elastic component (7). The second spectacle frame (3) is elastically connected with the second spectacle leg (6) by a second elastic component (8). A middle beam mechanism (120) is arranged between the first spectacle frame (1) and the second spectacle frame (3), and a lock catch mechanism (10) is equipped between the spectacle legs (5, 6) for maintaining the spectacles in a folded state after completely closing the spectacles. The spectacles can be released into a useable state under the effect of the elastic components by pressing the lock catch mechanism (10) with a single hand by the wearer.

Description

Folding glasses that can be automatically opened

Technical field

The present invention relates to a folding eyeglass, and more particularly to a folding eyeglass that can be opened automatically with only one hand.

Background technique

In some cases, such as driving or going to the bank or the airport, the wearer only has one hand to be idle. In this case, opening the glasses is not very inconvenient. In order to solve this problem, the inventors previously proposed two Chinese patent applications, the application numbers are 200810217846.5 and 200910133429.7, respectively, the invention name is "folding glasses that can be automatically bounced", which uses three elastic members to respectively connect the temples and the frame , as well as the frame and the frame, to achieve a full opening of the folding glasses, but in this practical application, it can not completely smash the two frames of the glasses into a straight line, most of which can only be bounced into one M shape, so there is still a lot of inconvenience in use.

Summary of the invention

SUMMARY OF THE INVENTION The object of the present invention is to overcome the above-mentioned drawbacks and to provide a folding eyeglass which can be easily opened by using only one hand and which can be automatically opened in a straight line between the two frames of the eyeglasses.

Another object of the invention is that the invention does not require an additional lens case.

The present invention can be implemented by the following technical solutions: designing a folding eyeglass that can be automatically bounced, comprising a first frame, a first lens is disposed in the first frame; and a second frame is disposed in the second frame a second lens, a first temple and a second temple, wherein a width of one end of the first temple connected to the first frame is greater than or equal to a width of the first lens, and a shape thereof and a shape of the first lens Consistently; the width of one end of the second temple connected to the second frame is greater than or equal to the width of the second lens, and the shape thereof is consistent with the shape of the second lens; the first frame and the first mirror The legs are elastically coupled by the first elastic member; the second frame and the second temple are elastically coupled by the second elastic member; and further includes a center beam mechanism, the middle beam mechanism is located at the first frame and Between the second frames, it acts as a resilient bridge.

The middle beam mechanism of the present invention can have the following structural forms:

The first one is that the middle beam mechanism includes a first middle beam connecting piece, a second middle beam connecting piece, a first tension spring, a second tension spring and an intermediate piece, the first middle beam connecting piece and the first Two middle beam connecting members are respectively fixed to inner sides of the first frame and the second frame, and respectively have a first middle beam connecting member free end and a second middle beam connecting member free end, the first middle beam connecting member The end faces of the free end and the free end of the second center beam connecting member are both planar; a first lateral groove is disposed on the first middle beam connecting member, and a second lateral groove is disposed on the second middle beam connecting member, a first tension spring is disposed in the first lateral groove, an inner end of the first tension spring is movably connected to the first middle beam connecting member, and the second tension spring is disposed in the second lateral groove An inner end of the second tension spring is movably coupled to the second center beam connector; the intermediate member is located between the first middle beam connector and the second center beam connector; on both sides of the intermediate member Separating a first pivot hole and a second pivot hole perpendicular to the normal of the frame, and providing a first pivot in the first pivot hole a pin, the outer end of the first tension spring is sleeved on the first pivot pin; a second pivot pin is disposed in the second pivot hole, and the outer end of the second tension spring is sleeved The second pivot pin; the two sides of the middle piece are flat, the side adjacent to the two sides of the middle piece is a curved surface; the first pivot hole or the second pivot hole to the corresponding arc a radius of the face is larger than a radius of the first pivot hole or the second pivot hole to a corresponding plane thereof; forming an end surface of the free end of the first center beam connector and the middle piece when the glasses are fully popped open One side of the surface is in surface contact, the first tension spring is in a contracted state; the end surface of the free end of the second center beam connecting member is in surface contact with the other side of the intermediate member, and the second tension spring is a contracted state; when the glasses are completely closed, an end surface of the free end of the first center beam connector is in line contact with a side arc surface of the intermediate member, and the first tension spring is in a stretched state; An end surface of the free end of the second center beam connecting member is in line contact with the arc side of the other side of the intermediate member, the second pulling A spring in tension; temple between the first and the second temple, the symmetric holding glasses each provided with the latch mechanism in a folded state after the eyeglass fully contracted.

In the first type of center beam mechanism, a first slider may be added in the first lateral slot, and a first slider pivot hole is disposed at an outer end of the first slider, in the slider Providing a first lateral through hole, the first tension spring is sleeved on the first pivot pin through the first transverse through hole; and a second slider is disposed in the second lateral groove a second slider pivot hole is disposed at an outer end of the second slider, and a second lateral through hole is disposed on the two sliders, and the second tension spring passes through the second lateral through hole Said on the second pivot pin.

For the improvement of the first middle beam structure, a first nose pad is disposed on the inner side of the first middle beam connector, and the first nose pad covers the first slider and the first tension spring; A second nose pad is disposed on an inner side of the second center beam connector, and the second nose pad covers the second slider and the second tension spring.

The second type is that the middle beam mechanism comprises a first middle beam connecting piece, a second middle beam connecting piece, a first compression spring, a second compression spring and an intermediate piece, and the first middle beam connecting piece comprises the first upper beam a connecting piece and a first lower connecting piece, the first upper connecting piece and the first lower connecting piece are fixed in parallel to the inner side of the first frame at a certain interval, and the first upper connecting piece and the first lower connecting piece are connected a first middle beam connecting member pivoting hole is disposed on the sheet, the first compression spring is disposed between the first upper connecting piece and the first lower connecting piece, and an inner end of the first compression spring is fixed to the first frame The outer end of the first compression spring is provided with a first sliding piece slidable between the first upper connecting piece and the first lower connecting piece; the second middle beam connecting piece comprises a second upper connecting piece and a second lower part a connecting piece, the second upper connecting piece and the second lower connecting piece are fixed in parallel to the inner side of the second frame at a certain interval, and the second upper connecting piece and the second lower connecting piece are provided with a second middle a beam connecting member pivoting hole, the second compression spring being disposed on the second upper connecting piece and Between the two lower connecting pieces, the inner end of the second compression spring is fixed to the second frame, and the outer end of the second compression spring is provided with a second sliding which can slide between the second upper connecting piece and the second lower connecting piece. a middle piece located between the first middle beam connecting piece and the second middle beam connecting piece; a first pivot hole and a first vertical hole perpendicular to the frame normal line are respectively disposed on two sides of the middle piece a second pivoting hole, a first pivoting pin pivotally connecting the first middle beam connecting member and the intermediate member; and a second middle beam connecting member and the second pivoting hole a second pivot pin pivotally connected to the middle member; the two sides of the middle member are flat, and the side adjacent to the two sides is a curved surface; the first pivot hole or the second pivot hole is corresponding to the curved surface a radius greater than a radius of the first pivot hole or the second pivot hole to a corresponding plane thereof; forming the first sliding sheet in surface contact with a side of the middle member when the glasses are fully popped open The first compression spring is in a stretched state; the second sliding piece is in surface contact with the other side of the intermediate piece, the second compression spring a state in which the first sliding piece is in line contact with one side of the arc of the intermediate piece, the first compression spring is in a compressed state; the second sliding piece is in the compressed state; The other side of the middle piece has a line contact, the second compression spring is in a compressed state; and the upper and lower sides of the first temple and the second temple are symmetrically arranged to keep the glasses folded after the glasses are completely folded. Locking mechanism.

In the second middle beam mechanism, a first spherical portion is disposed on a side of the first sliding piece opposite to the intermediate member, and a first concave portion is disposed at a position of the intermediate member relative to the first spherical portion Providing a second spherical defect on a side of the second sliding piece opposite to the intermediate member, and a second recess at a position of the intermediate member opposite to the second spherical portion; when the glasses are fully opened, the The first ball is missing in the first recess and the second ball is in the second recess.

The third type is that the middle beam mechanism comprises a first middle beam connecting piece, a second middle beam connecting piece, a transverse compression spring and an intermediate piece, and the first middle beam connecting piece and the second middle beam connecting piece are respectively fixed Inside the first frame and the second frame, respectively, and having a first middle beam connector free end and a second center beam connector free end; the first middle beam connector free end and the second center beam connection The top end surface of the free end of the piece is flat, and the side surface adjacent to the top end surface is a curved surface, and a first middle beam connecting piece pivot hole perpendicular to the normal line of the frame is provided on the free end of the first middle beam connecting piece, a radius of the first intermediate beam connecting member pivot hole to the corresponding curved surface is greater than a radius to the plane thereof; and a second middle beam perpendicular to the frame normal line is disposed on the free end of the second middle beam connecting member a connecting member pivoting hole, a radius of the second middle beam connecting piece pivoting hole to a corresponding curved surface thereof is larger than a radius to a plane thereof; the intermediate piece is located in the first middle beam connecting piece and the second Between the beam connectors; a transverse groove is provided in the intermediate member, in the transverse groove a transverse compression spring is disposed, and a first sliding piece and a second sliding piece are respectively disposed at two ends of the lateral compression spring, and a first pivot hole and a first vertical hole perpendicular to the normal line of the frame are respectively disposed on both sides of the intermediate piece a second pivoting hole, a first pivoting pin pivotally connecting the middle piece to the first middle beam connecting piece; and a middle middle part and the second middle beam in the second pivoting hole a second pivot pin pivotally connected to the connecting member; forming a plane of the free end of the first center beam connecting member in surface contact with the first sliding piece when the glasses are fully popped, the second middle beam connecting a plane of the free end of the piece is in surface contact with the second sliding piece, the transverse compression spring is in a stretched state; when the eyeglass is completely closed, the curved surface of the free end of the first middle beam connecting piece is opposite to the first sliding The sheet is in line contact, the curved surface of the free end of the second middle beam connecting member is in line contact with the second sliding piece, the transverse compression spring is in a compressed state; in the first temple and the second temple The locking mechanism is configured to keep the glasses folded when the glasses are completely closed.

Similarly, in the third middle beam mechanism, a first spherical portion is disposed on an outer side of the first sliding piece, and a first concave portion is disposed at a position of the first middle beam connecting member with respect to the first spherical portion a second spherical portion is disposed on an outer side of the second sliding piece, and a second concave portion is disposed at a position of the second middle beam connecting member with respect to the second spherical portion; the first ball is when the glasses are fully opened The missing top is within the first recess and the second ball is missing within the second recess.

The glasses having the above three different middle beam mechanisms may adopt the above-mentioned locking mechanism, that is, a hook is respectively extended inward on the upper side and the lower side of the first temple; a hook hole is respectively disposed at a position of the hook corresponding to the hook on the first temple; when the glasses are closed, the hook is hooked in the hook hole, and the outer side of the hook hole is respectively provided with elasticity According to the sheet, a protrusion is provided on the elastic sheet relative to the hook hole, and when the elastic sheet is pressed in the direction of the hook hole, the protrusion presses the hook, and the hook and the hook are The hole is detached; or the locking mechanism is configured to extend a hook inwardly on the upper side and the lower side of the second temple, respectively; on the second temple corresponding to the second temple a hook hole is respectively disposed at a position of the hook; when the glasses are closed, the hook is hooked in the hook hole, and an elastic pressing piece is respectively disposed on the outer side of the hook hole, and the elastic pressing piece is opposite to the hook The hole is provided with a protrusion, and when the elastic piece is pressed in the direction of the hook hole, the protrusion presses the hook, and the From the hook hole.

The present invention also discloses another folding eyeglass that can be automatically popped, comprising a first frame, a first lens in the first frame, a second frame, and a second lens in the second frame a first temple and a second temple, wherein a width of one end of the first temple connected to the first frame is greater than or equal to a width of the first lens, and a shape conforms to a shape of the first lens; The width of one end of the second temple connected to the second frame is greater than or equal to the width of the second lens, and the shape thereof matches the shape of the second lens; between the first frame and the first temple is Elastically coupled by the first elastic member; the second frame and the second temple are elastically coupled by the second elastic member; the first frame and the second frame are hinged and provided on the hinge And a locking mechanism for maintaining the first frame and the second frame in a straight line; and a locking mechanism for keeping the glasses folded after the glasses are completely closed between the first temple and the second temple.

The positioning mechanism is configured such that a spring of the positioning mechanism is disposed in the receiving hole of the hinge side connecting portion, and a ball is disposed on the outer side of the spring, on the other side connecting portion of the hinge, relative to the ball The position is provided with a concave surface. When the first frame and the second frame are in a straight line, the ball is just inside the concave surface under the action of the spring, and the first frame and the second frame are positioned.

The spring and the ball are disposed on a connecting portion connected to the first frame, and the concave surface is disposed on a connecting portion connected to the second frame.

The spring and the ball are disposed on a connecting portion connected to the second frame, and the concave surface is disposed on a connecting portion connected to the first frame.

The positioning mechanism is configured such that a connecting portion of the hinge on one side of the nose pad extends to another connecting portion of the hinge to form an extending plane, and a first magnetic piece or a first iron is disposed inside the extending plane a second magnetic piece having a polarity opposite to that of the first magnetic piece on a plane of the other connecting portion with respect to the extending plane, when the first frame and the second frame are in a straight line, the first The two magnetic sheets are overlapped with the first magnetic piece or the first iron piece to realize positioning of the first frame and the second frame.

An inner surface of the first temple is provided with an inwardly concave first lens protection frame for collecting the first lens; and an inner wall of the second temple is also provided with an inward concave portion for collection. The second lens protection frame of the second lens.

The temple portions corresponding to the first lens protection frame and the second lens protection frame are made of a transparent or translucent material.

The nose bridge of the folding glasses is disposed at an intermediate portion of the inner side of the frame and is elastically coupled to the frame.

The first elastic member includes a first rotating shaft and a first spring, and the first spring sleeve is disposed on the first rotating shaft, and two ends of the first spring are respectively mounted on the inner wall of the first frame and the first temple; The second elastic member includes a second rotating shaft and a second spring. The second spring sleeve is sleeved on the second rotating shaft, and two ends of the second spring are respectively supported on the inner walls of the second frame and the second temple.

The invention adopts an elastic member between the frame and the frame, adopts a middle beam mechanism or a positioning mechanism in the frame and the frame, and is arranged between the first temple and the second temple to keep the glasses folded after the glasses are completely closed. The locking mechanism of the state, therefore, the wearer only needs to press the locking mechanism with one hand, the whole glasses will naturally bounce off under the tension of the elastic member, and the utility model can be used, and the glasses can be omitted. The trouble of taking out the glasses from the spectacle case and opening the glasses with both hands makes the invention more convenient and quick to use. Furthermore, the invention has the advantage that no additional configuration of the mirror box is required.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic exploded view of an embodiment of the present invention.

FIG. 2 is an enlarged schematic exploded view showing another positioning of FIG. 1. FIG.

Figure 3 is a schematic cross-sectional view of Figure 2;

4A is an enlarged, exploded, isometric view of a positioning mechanism of FIG. 1.

4B is a schematic structural view of the combination of FIG. 4A.

4C is an enlarged, exploded, isometric view of another positioning mechanism of FIG. 1.

4D is a cross-sectional structural view of the combination of FIG. 4C.

Fig. 4 is a schematic exploded perspective view showing still another positioning mechanism in the present invention.

FIG. 5 is a schematic view of another perspective structure of FIG. 4. FIG.

Fig. 6 is a schematic exploded perspective view showing still another positioning mechanism in the present invention.

FIG. 7 is a schematic structural view of another perspective of FIG. 6. FIG.

Figure 8 is a schematic view showing the structure of Figure 6 after combination.

Fig. 9 is a schematic exploded perspective view showing still another positioning mechanism in the present invention.

Fig. 10 is a structural schematic view showing the state of use of the positioning mechanism shown in Fig. 9 on the glasses.

Figure 11 is a schematic exploded view showing another embodiment of the present invention.

Figure 12 is a schematic exploded view of another embodiment of the present invention.

Figure 13 is a schematic exploded view of Figure 12;

Figure 14 is a horizontal cross-sectional structural view of the center beam mechanism of Figure 12;

Figure 15 is a longitudinal cross-sectional structural view of the latch mechanism of Figure 12;

16 to 19 are schematic views showing several modified structures of the center beam mechanism of the present invention.

Figure 20 is a schematic exploded view showing a third embodiment of the present invention.

21 is a cross-sectional structural view of the latch mechanism of FIG. 20.

Figure 22 is a cross-sectional structural view showing a modified structure of Figure 21;

Figure 23 is a schematic exploded view showing still another embodiment of the present invention.

Figure 24 is a schematic view showing the structure of the other locking mechanism of Figure 23;

detailed description

Referring to FIG. 1 , FIG. 2 and FIG. 3 , it discloses a folding eyeglass that can be automatically bounced. In this embodiment, the temple and the frame are made of plastic, and the first lens and the second lens may be glass. The lens can also be a highly transparent resin lens. It comprises a first frame 1, a second frame 3, and a first temple 5 and a second temple 6; a first lens 2 is disposed in the first frame 1, and a second lens 3 is disposed in the second frame 3 a second lens 4, a width of one end of the first temple 5 connected to the first lens frame 1 is greater than or equal to a width of the first lens 2, and its shape matches the shape of the first lens 1 to satisfy The first lens 1 can be protected after the glasses are completely folded; the width of one end of the second temple 6 connected to the second frame 3 is greater than or equal to the width of the second lens 4, and the shape thereof and the shape of the second lens 4. Consistently, to satisfy the second lens 4 when the glasses are completely folded; a first elastic member 7 is disposed between the first frame 1 and the first temple 5, the first frame 1 and the first mirror The leg 5 is elastically coupled by the first elastic member 7; a second elastic member 8 is provided between the second frame 3 and the second temple 6, and the second frame 3 and the second leg 6 are Elastically coupled by the second elastic member 8; a hinge 9 is provided between the first frame 1 and the second frame 3, the first frame 1 and the second frame 3 is coupled by a hinge 9 which is connected by a hinge shaft 92, and a positioning mechanism 91 for holding the first frame 1 and the second frame 3 in a straight line is provided on the hinge 9, the structure of the positioning mechanism 91 A spring 911 which is a positioning mechanism is disposed in the receiving hole 913 of the connecting portion 912 of the hinge 9 connected to the first frame 1 (see FIGS. 2 and 3), and a steel ball 914 (the steel ball here) is disposed outside the spring 911 For example, in fact, the steel ball can also be replaced by a copper bead, or a bead made of other hard metal, or even a glass bead can be replaced, the same as below, on the connecting portion 915 of the hinge 9 with the second frame 3. a concave surface 916 is provided at a position relative to the steel ball 914 (the concave surface 916 in FIG. 2 is not visible, where the concave surface 916 is a spherical crown shape), when the first lens frame 1 and the second lens frame 3 are in a straight line. The steel ball 914 is placed in the concave surface 916 under the action of the spring 911, so as to position the first frame 1 and the second frame 3, and keep the first frame 1 and the second frame 3 in a straight line. Such a positioning mechanism 91 composed of a spring 913, a steel ball 914 and a concave surface 916 ( In the embodiment, two sets of spring positioning members are used, in fact, only one set of spring positioning members can be used, the same as below, in addition to having the function of positioning, the utility model also has the function of buffering the glasses to open when the glasses are opened. The speed is because, when the glasses are folded, the steel ball 914 is pressed against the outer wall of the connecting portion 915 of the second lens frame 3 by the spring 913. When the glasses are opened, the connecting portion 915 of the steel ball 914 and the second lens frame 3 is 915. It has a certain friction effect and plays a role in buffering the opening speed of the glasses. When the glasses are completely folded, the ribs 918 on the connecting portion 912 connected to the first frame 1 are located in the grooves 917 on the connecting portion 915 connected to the second frame 3 to ensure that the glasses can be completely folded. . A flat surface 9121 is disposed inside the connecting portion 912 connected to the first lens frame 1, and a flat surface 9151 is disposed inside the connecting portion 915 connected to the second lens frame 3. When the glasses are fully opened, the flat surface 9121 and the flat surface 9151 are pressed against each other. To prevent the spectacle frame from exceeding 180 degrees. In this embodiment, a locking mechanism 10 is provided between the first temple 5 and the second temple 6 to keep the glasses folded after the glasses are completely closed. A pen-type hook is arranged on the outer side of the first temple 5, and the function of the pen-type hook is that when the glasses are completely folded, the glasses can be conveniently hung on the clothes pocket like a pen, in the A pen-shaped groove for embedding a pen is reserved on the second temple 6, and the pen-shaped groove can be embedded in a small pen between the ballpoint pens for the wearer to use. A half frame can be used for the frame in the present invention.

In this embodiment, the locking mechanism 10 includes a hook block 133 and a spring clip 14 . One side of the hook block 133 relative to the elastic clip 14 is a curved surface 134 , and the elastic clip 14 includes a clip 141 at the clip. The front end of the piece 141 is provided with a hook 146. When the folding glasses are folded, the hook 146 is hooked on the hook block 133 by the spring 142. The hook 146 is also opposite to the side of the hook block 133. For the curved surface, one side of the hook block 133 with respect to the elastic clip 14 is a curved surface 134, and the side of the hook 146 with respect to the hook block 133 is also curved, because the design can make the hook The curved surface of 146 reduces friction with the curved surface of the hook block 133 to facilitate rapid interlocking of the two. A lower lug 148 is disposed on each of the two sides of the clip 141. Two positioning seats 144 are respectively located outside the lower lug 148, and the spring 142 is sleeved in the middle of the positioning shaft 143. After the positioning shaft 143 passes through the downward lug 148, the clip 141 is coupled to the first temple 5 in the positioning seat 144. A support member 147 for supporting the front portion of the clip 141 is disposed between the two positioning seats 144, and an opening is formed on each of the corresponding inner side walls of the two positioning seats 144. Inwardly facing the slot 149, the height of the support member 147 is higher than the lower bottom surface of the slot 149, and when the positioning shaft 143 is pushed from the opening into the slot 149, after passing over the top end of the support member 147, The clip is positioned in the rear section of the card slot at the rear of the support member 147. The main function of the support member 147 is that the support member 147 is placed on the inner wall of the hook 146 to prevent the clip 141 from being excessively downward under the action of the spring 142, and cannot be properly hooked on the hook block 133.

In this embodiment, an inner surface of the first temple is provided with an inwardly concave first lens protection frame 131 for collecting the first lens; and an inner wall of the second temple is also provided with an inward direction. The concave second lens protection frame (not visible) for collecting the second lens is designed to prevent the first lens and the second lens upper and lower lenses from being completely covered by the protective frame when the glasses are completely folded, in case The lens is worn.

In the present invention, the nose bridge 100 of the folding glasses is disposed at an intermediate portion of the inner side of the frame and is elastically coupled to the frame. The reason why the nose bridge of the folding glasses is disposed in the middle of the inner side of the frame or the lens is because the structure can make the folding glasses into folded glasses which can be used on both sides, that is, the lenses and mirrors of the folding glasses. The legs are not divided, so you can wear them at will. The bridge of the nose bridge 100 is elastically coupled to the frame so that when the glasses are folded, the bridge 100 can be compressed to reduce the thickness of the folded glasses.

In this embodiment, the temple portions corresponding to the first lens protection frame and the second lens protection frame may be made of a transparent or translucent material.

In the present invention, the first elastic member 7 and the second elastic member 8 are constructed in the same structure, and both of them include a positioning shaft and a spring, and the spring is sleeved on the positioning shaft. The first elastic member 7 includes a first positioning shaft 71 (in practice, the positioning shaft may be a screw, the same structure as the screw used in the existing glasses) and a first spring 72, the first spring 72 is sleeved on On the first positioning shaft 71, the two ends 73, 74 of the first spring 72 are respectively mounted on the inner walls of the first frame 1 and the first temple 5; the top of the first spring 72 is at the first temple 5 One end 74 can be extended into the lens protection frame 131 to form a hanging end 75 for hanging the mirror cloth. The pre-folded cleaning cloth can be stored in the lens protection frame 131 through the hanging end 75. In the embodiment, the first elastic member 7 further includes a mounting piece 76 on the inner bottom surface of the mounting piece 76. Two first lugs 761 are provided, and a second lug 110 corresponding to the first lug 761 is disposed on the first frame 1, and the first positioning shaft 71 is inserted in the first In the lug 761 and the second lug 110, the mounting piece 76 is coupled to the first frame 1, and the first spring is located at the two second protrusions. The positioning axis 71 between the ears 110. This structure facilitates the mounting between the first elastic member 7 and the first temple 5. That is, when assembling the glasses, the first elastic member 7 is first attached in the above-described configuration, and then the mounting piece is attached or affixed to the inner wall of the lens protection frame 131 at the front end of the first temple.

The structure of the second elastic member 8 is the same as that of the first elastic member 7. The second elastic member 8 includes a second positioning shaft and a second spring, the second spring sleeve is disposed on the second positioning shaft, and two ends of the second spring are respectively supported on the second frame and the second temple On the inner wall.

Referring to FIG. 4A and FIG. 4B, FIG. 4A is an enlarged exploded perspective view of a positioning mechanism of FIG. 1. 4B is a schematic structural view of the combination of FIG. 4A. The positioning mechanism 91 in the present invention may be designed to include a positioning spring 930 which is sleeved on the hinge shaft 92 of the hinge 9. In the figure, the positioning spring 930 is disposed at the lower end of the hinge shaft 92 and passes through The nut 931 threadedly coupled to the hinge shaft 92 is pressed. At this time, the positioning spring 930 can press the connecting portion 912 on the side of the hinge 9 with the connecting portion 915 on the other side of the hinge 9, and the connecting portion 912 on the side of the hinge 9 Two pairs of protrusions 932 and concave surfaces 916 are respectively provided on the bottom surface which is in contact with the connection portion 915 on the other side of the hinge 9 (in the present invention, one protrusion 932 and one concave surface 916 are referred to as a pair of protrusions and concave surfaces), The size of the pair of protrusions 932 and the concave surface 916 is not equal to the size of the other pair of protrusions 932 and 916, that is, the curvature of the pair of protrusions 932 and 916 is larger or smaller than the other pair of protrusions 932 and The curved surface of the concave surface 916; thus, when the glasses are fully opened, the corresponding protrusions 932 are just caught in the concave surface 916, so that the first frame 1 and the second frame 3 are kept in a straight line state; and when the glasses are to be gathered Or when folded, the protrusion 932 is rotated relative to the concave surface 916 Since the convex surfaces of the two protrusions 932 are not equal in size, the large protrusions 932 may not fall into the small concave surface 916, and although the small protrusions 932 may fall into the large concave surface 916, The difference in size between the two, in this state, the two can not play the role of locking. In the present embodiment, the principle of the present invention is explained by two pairs of protrusions 932 and concave surfaces 916. However, this embodiment is not intended to limit the present invention. In fact, the protrusions 932 and the concave surface 916 in the present invention may be configured to A structure larger than two pairs can achieve the object of the present invention as long as at least one of the pair of

protrusions

932 and 916 and the other protrusions 932 and the concave surface 916 have unequal dimensions. In order to ensure the bottom surface of the connecting portion 912 on one side of the hinge 9 and the connecting portion 915 on the other side of the hinge 9, after the two pairs of the protrusions 932 and the concave surface 916 are engaged, the two pairs of protrusions 932 and the concave surface are not The arcuate dimensions of the 916 are unequal, and a slope is formed between the two bottom surfaces. A cylinder may be disposed at the rear end of the curved surface of the small protrusion 932 to ensure that the heights of the two protrusions 932 are uniform (of course, when the protrusion is larger than In two cases, the smaller one of the protrusions may be designed to have a cylindrical structure at the rear end of the curved surface of the small protrusion 932 to adjust the height of the small protrusion 932). In addition, in this embodiment, only one positioning spring 930 is used, and is disposed at the lower end of the hinge shaft 92. In fact, when a positioning spring 930 is used, the positioning spring 930 may also be disposed at the upper end of the hinge shaft 92; Or a positioning spring 930 is provided at each of the upper end and the lower end of the hinge shaft 92. It can also play the same role. The nut 931 in this embodiment may be independently provided, or the upper bottom surface or the lower bottom surface of the frame connecting portion 915 may be integrally connected. In this embodiment, if a large protrusion and a small protrusion have a certain height error, the presence of the positioning spring 930 does not affect the normal use.

Referring to FIG. 4C and FIG. 4D, FIG. 4C is an enlarged exploded structural view of another positioning mechanism of FIG. 1. 4D is a cross-sectional structural view of the combination of FIG. 4C. The positioning mechanism 91 shown in FIG. 4C and FIG. 4D has the same general structure as the positioning mechanism 91 described in FIG. 2 and FIG. 3, except that the spring 911 of the positioning mechanism 91 is disposed on the hinge 9 and the second frame. In the longitudinal receiving hole 933 of the 3-phase connecting portion 915, a steel ball 914 is disposed at the lower end of the spring 911 (the steel ball here is only an example, in fact, the steel ball can also be replaced by copper beads, or other hard metal) The bead, even the glass bead can be replaced, the same as below), on the connecting portion 912 of the hinge 9 with the first frame 1, a concave surface 916 is provided at a position relative to the steel ball 914, and the upper end of the spring 911 is blocked. 919 is sealed, when the first frame 1 and the second frame 3 are in a straight line, the steel ball 914 is just inside the concave surface 916 under the action of the spring 911, achieving the first frame 1 and the The two frames 3 are positioned to keep the first frame 1 and the second frame 3 in a straight line; in this embodiment, the spring 911, the steel ball 914 and the concave surface 916 are two sets, one set of the spring 911, the steel ball 914 and The size of the concave surface 916 is not equal to the size of the other sleeve, that is, a pair of protrusions The arcuate dimension of the 932 and the concave surface 916 is larger or smaller than the arcuate dimension of the other pair of the protrusion 932 and the concave surface 916; when the glasses are fully opened, the corresponding steel ball 914 is just caught in the concave surface 916, so that the first frame 1 And the second frame 3 is kept in a straight state; and when the glasses are to be folded or folded, the steel ball 914 is rotated at an angle with respect to the concave surface 916, and since the sizes of the two steel balls 914 are not equal, the large steel ball 914 It is impossible to fall into the small concave surface 916 and it does not function as a lock. In this embodiment, if a large protrusion and a small protrusion have a certain height error, the presence of the positioning spring 930 does not affect the normal use.

Referring to FIG. 4 and FIG. 5, FIG. 4 and FIG. 5 are schematic enlarged structural views of another positioning mechanism in the present invention. FIG. 5 is a schematic diagram of another perspective structure of FIG. 4. In this embodiment, the spring 911 and the steel ball 914 in the positioning mechanism 91 are located in the receiving hole 913 of the connecting portion 915 connected to the second lens frame 3, and the plug 919 is provided at the rear end of the spring 911 to prevent the spring. The 911 and the steel ball 914 are ejected from the accommodating hole 913, and at the same time, the pressure of the spring 911 on the steel ball 914 can be adjusted; and the concave surface 916 is disposed on the connecting portion 912 connected to the second lens frame 1, and similarly, When the first frame 1 and the second frame 3 are in a straight line, the steel ball 914 is just inside the concave surface 916 under the action of the spring 911 (the concave surface 916 here is a vertical groove shape, and more Facing the gap fit between the steel ball and the concave surface 916, positioning of the first frame 1 and the second frame 3 is achieved, and the first frame 1 and the second frame 3 are kept in a straight line.

Please refer to FIG. 6, FIG. 7, and FIG. 8. FIG. 6 to FIG. 8 are enlarged and exploded structural views of still another positioning mechanism in the present invention. FIG. 7 is a schematic structural view of another view of FIG. 6; FIG. 8 is a schematic structural view of FIG. The spring 911 and the steel ball 914 are formed as a unitary structure 920. The unitary structure 920 is slidable relative to the connecting portion 912 of the hinge 9 connected to the first frame through the sliding slot 922 and the slider 923, in the overall structure. A second spring 921 is provided at the rear end of the 920, and a concave surface 916 is provided on the connecting portion 915 of the hinge 9 connected to the second lens frame 3. Obviously, the unitary structure 920 can also be designed to be connected to the connecting portion 915 of the hinge 9 connected to the second frame 3, and the concave surface 916 is disposed on the connecting portion 912 of the hinge 9 connected to the first frame. The structure can have the same effect.

Fig. 9 is a schematic exploded perspective view showing still another positioning mechanism in the present invention. The positioning mechanism 91 shown in FIG. 9 is configured such that a connecting portion 912 of the hinge 9 on the side of the nose pad 100 extends toward the other connecting portion 915 of the hinge 9 to form an extending plane 924. The first magnetic piece 925 is disposed on the inner side of the extending plane 924 (the first magnetic piece 925 can be replaced by a piece of iron), and the first magnetic piece is disposed on the plane 926 of the other connecting portion 915 with respect to the extending plane 924. 925 second magnet 927 of opposite polarity, when the first frame 1 and the second frame 3 are in a straight line, the second magnetic piece 927 is overlapped with the first magnetic piece 925 or the first iron piece Positioning the first frame 1 and the second frame 2 is achieved. It has been experimentally tested that if the first magnetic piece 925 and the second magnetic piece 927 are disposed at the mutual magnetic attraction of the ends of the connecting portion 912 and the connecting portion 915, the

magnetic sheets

925 and 927 are not overlapped as described above. The effect is good, because if the suction point of the magnet is terminated at both ends, the force arm of the eyeglass frame and the leg cannot be blocked at all, and the eyeglass is always M-shaped after being opened. Imagine two long square rods with a magnet at the top, which are terminated and brought together. At this time, pick up any one rod, and the other rod must fall down; if they are connected to each other, the magnetic induction of the magnet Only need to be greater than or equal to 2500 Gauss two frame legs can be mutually agreed, just as two rods are placed near the two ends of the two surface magnets, as long as there is a corresponding magnetic force, you can take a stick to pick up another Baton. In the present invention, the magnetic strength of the first magnetic piece 925 or the second magnetic piece 927 is preferably greater than or equal to 2,500 gauss.

Referring to FIG. 11, FIG. 11 is a schematic exploded view of another embodiment of the present invention. The lens shown in Fig. 11 has a different temple structure, and has a curved portion 112 bent downward inwardly. In order to ensure that the lens does not affect the thickness of the lens when folded, it is preferable to set the curved segment 112 to pass. The elastic member 111 is elastically connected, such that when the glasses are completely folded, the curved segment 112 can be appropriately flared outward; when the glasses are fully opened, the wearing state can be restored by the elastic force. The elastic connection in the present solution can also be designed as a spring-connected structure similar to the structure of the first elastic member.

The nose bridge 100 and the curved section 112 of Figure 11 are elastically connected. This structure is mainly used for prescription glasses and sunglasses because the size of the prescription glasses and the sunglasses is large, and the bridge 100 is not disposed between the frames. The position of the bridge 100 should be the same as that of the common glasses, and the rear end of the temple (ie, the curved section 112) should be bent inward according to the specification. The curved section 112 is necessary to cause the folding glasses to have a wide thickness after being folded, so The nose bridge 100 and the curved section 112 in this embodiment need to be elastically connected. When the glasses are completely folded, the nose bridge 100 and the curved section 112 can be appropriately compressed, and the glasses are completely folded. thickness.

Referring to FIG. 12 and FIG. 13, FIG. 12 and FIG. 13 disclose another folding eyeglass that can be automatically popped, including a first frame 1 in which a first lens 2 is disposed; and a second frame 3, in the second frame 3 is provided with a second lens 4, a first temple 5 and a second temple 6, the width of the end of the first temple 5 connected to the first frame 1 is greater than or equal to The width of the first lens 2 is matched with the shape of the first lens 2; the width of one end of the second temple 6 connected to the second frame 3 is greater than or equal to the width of the second lens 4. a shape matching the shape of the second lens; the first frame 1 and the first temple 5 are elastically coupled by the first elastic member 7 (the structure is the same as described above); the second frame 3 and The second temple 6 is coupled by a second elastic member elastic 8 (the same structure as described above); a middle beam mechanism 120 including a first middle beam connecting member 121 and a second middle beam connecting member a member 122, a first tension spring (not visible), a second tension spring 123, and an intermediate member 124, the first center beam connector 12 1 and the second center beam connecting member 122 are respectively fixed to the inner sides of the first frame 1 and the second frame 3, and have a first center beam connecting member free end 1211 and a second center beam connecting member free end 1221, respectively. The end faces of the first middle beam connecting member free end 1211 and the second middle beam connecting member free end 1221 are all flat; the first middle beam connecting member 121 is provided with a first lateral groove, and the second middle beam The connecting member 122 is provided with a second lateral groove 1222. The first tension spring is disposed in the first lateral groove, and the inner end of the first tension spring is movably connected with the first middle beam connecting member 121, specifically It can be said that a vertical groove can be arranged on the first middle beam connecting member 121, and a positioning pin is arranged on the groove to fit the inner end of the first tension spring on the positioning pin; the second stretching The spring 123 is disposed in the second lateral groove 1222, and the inner end of the second tension spring 123 is movably connected to the second center beam connecting member 122. Specifically, a second intermediate beam connecting member 122 may also be disposed. a vertical groove, a positioning pin is disposed on the groove, and an inner end of the second tension spring 123 is sleeved on the positioning pin; the middle piece 124 is located Between the first middle beam connecting member 121 and the second middle beam connecting member 122; a first pivoting hole 1241 and a second pivoting hole 1242 perpendicular to the frame normal are respectively disposed on two sides of the intermediate member 124 a first pivot pin 1243 is disposed in the first pivot hole 1241. The outer end of the first tension spring is sleeved on the first pivot pin 1243. The second pivot hole 1242 is disposed in the second pivot hole 1242. a second pivot pin 1244, the outer end of the second tension spring 123 is sleeved on the second pivot pin 1244; the two sides of the intermediate member 124 are

planes

1245, 1246, and two of the middle member 124 The side surfaces adjacent to the side surfaces 1245 and 1246 are

curved surfaces

1247 and 1248; the radius 1 R2 of the corresponding curved surface 1248 of the first pivot hole 1241 to the corresponding curved surface 1247 or the second pivot hole 1242 is greater than the first pivot a radius R1 of the corresponding hole 1241 to the corresponding plane 1245 or the second pivot hole 1242 to its corresponding plane 1246; Thus, it can be formed that when the glasses are fully popped, the end face 1211 of the free end 121 of the first center beam connector is in surface contact with the corresponding plane 1245 of the intermediate member 124, the first tension spring In a contracted state; the end surface 1221 of the free end 122 of the second center beam connector is in surface contact with the plane 1246 of the intermediate member 124, and the second tension spring 123 is in a contracted state, that is, a stable state, which is convenient for the glasses to be worn. When the glasses are completely closed, the end surface 1211 of the free end 121 of the first center beam connector is in line contact with the corresponding curved surface 1247 of the intermediate member 124, and the first tension spring is stretched. a state in an unsteady state, in a state of returning to a stable state; an end surface 1221 of the free end 122 of the second center beam connector is in line contact with a corresponding curved surface 1248 of the intermediate member 124, The second tension spring 123 is in a stretched state, is in an unstable state, and is in a state of returning to a stable state (see FIG. 14, the solid line state in FIG. 14 is a steady state, and the broken line state is an unstable state); The first temple 5 6 between the second temple, symmetrical with each latch mechanism holding the glasses in a folded state after the eyeglass 10 fully closes. In this embodiment, a first slider 125 is disposed in the first lateral slot, and a first slider pivot hole is disposed on the first slider outer end 125, and the first slider 125 is disposed on the first slider 125. a first lateral through hole 1251 is disposed, the first tension spring is sleeved on the first pivot pin 1243 through the first lateral through hole 1251, and a second slide is disposed in the second lateral groove 1222. Block 126, a second slider pivot hole 1261 is disposed at an outer end of the second slider 126, and a second lateral through hole 1262 is disposed on the second slider 126, the second tension spring 123 The second pivot pin 1242 is sleeved through the second lateral through hole 1262. a first nose pad 101 is disposed inside the first center beam connector 121, the first nose pad 101 covers the first slider 125 and the first tension spring; in the second A second nose pad 102 is disposed on the inner side of the beam connector 122, and the second nose pad 102 covers the second slider 126 and the second tension spring 123. A pen hook 200 is provided on the second temple.

In addition to the locking mechanism described in FIGS. 1-11, the locking mechanism 10 can be designed as two, one on the upper part of the temple and one on the lower part of the temple. The latching mechanism 10 of the upper portion of the temple is configured to extend a hook 103 inwardly on the upper side of the first temple 5, the hook ear 1031 on the hook 103 is upward; in the second temple 6 Corresponding to the position of the hook 103 on the first temple 5 is respectively provided with a hook hole 104; when the glasses are closed, the hook 103 is just hooked in the hook hole 104, outside the hook hole 104 An elastic pressing piece 105 is disposed, and a protrusion 106 is disposed on the elastic pressing piece 105 with respect to the hook hole 104. When the elastic pressing piece 105 is pressed toward the hook hole 104, the protruding piece 106 presses the protruding piece 106. a hook 103 for detaching the hook 103 from the hook hole 104 (see FIG. 15, the same below); similarly, the structure of the latch mechanism 10 at the lower portion of the temple is similar to that of the first mirror The leg 5 is symmetrically connected to the above-mentioned locking mechanism 10 and additionally provided with a locking mechanism. The structure of the locking mechanism and the structure of the locking mechanism are basically Similarly, it is a hook 103 extending inwardly on the lower side of the first temple 5 on the lower side, the hook ears 1031 on the hook 103 are downward; corresponding to the second temple 6 The hooks 103 on the first temples 5 are respectively provided with a hook hole 104; when the glasses are closed, the hooks 103 are just hooked in the hook holes 104, and elastic hooks are arranged on the outer side of the hook holes 104. The sheet 105 is provided with a protrusion 106 on the elastic sheet 105 relative to the hook hole 104. When the elastic sheet 105 is pressed toward the hook hole 104, the protrusion 106 presses the hook 103, and The hook 103 is disengaged from the hook hole 104.

Obviously, the locking mechanism 10 can also be designed such that the hook 103 is located on the second temple 6, and the hook hole 104 and the resilient tab 105 are located on the first temple 5, and the function is the same. The specific structure is not described here.

Please refer to FIG. 16, which is a schematic diagram of a modified structure of the center beam mechanism 120 in the present invention. The center beam mechanism 120 shown in the drawing includes a first center beam connecting member 121, a second center beam connecting member 122, a first compression spring 127, a second compression spring 128 and an intermediate member 124, and the first center beam connection The member 121 includes a first upper connecting piece 1212 and a first lower connecting piece 1213. The first upper connecting piece 1212 and the first lower connecting piece 1213 are fixed in parallel to the inner side of the first frame 1 at a certain interval. The first upper connecting piece 1212 and the first lower connecting piece 1213 are provided with a first middle beam connecting piece pivot hole 1214, and the first compression spring 127 is disposed on the first upper connecting piece 1212 and the first lower connection Between the pieces 1213, the inner end of the first compression spring 127 is fixed to the first frame 1, and the outer end of the first compression spring 127 is provided to be slidable between the first upper connecting piece 1212 and the first lower connecting piece 1213. a first sliding piece 1215; the second middle connecting piece 122 includes a second upper connecting piece 1222 and a second lower connecting piece 1223, and the second upper connecting piece 1222 and the second lower connecting piece 1223 are parallel to each other at a certain interval Connected to the inner side of the second frame 3, on the second upper connecting piece 1222 and the second lower connecting piece 1223 There is a second center beam connecting member pivot hole 1224, and the second compression spring 128 is disposed between the second upper connecting piece 1222 and the second lower connecting piece 1223, and the inner end and the second end of the second compression spring 128 The frame 3 is fixed, and the outer end of the second compression spring 128 is provided with a second sliding piece 1225 slidable between the second upper connecting piece 1222 and the second lower connecting piece 1223; the intermediate piece 124 is located at the Between the middle beam connector 121 and the second center beam connector 122; a first pivot hole 1241 and a second pivot hole 1242 perpendicular to the frame normal are respectively disposed on two sides of the middle member 124, A first pivot pin 1243 pivotally connecting the first center beam connecting member 121 and the intermediate member 124 is disposed in the first pivot hole 1241; a second center beam connecting member 122 is disposed in the second pivot hole 1242 a second pivot pin 1244 pivotally connected to the middle member 124; the two sides of the intermediate member 124 are planes 1245, 1246, and the sides adjacent to the two sides are curved surfaces 1247, 1248; the first pivot hole 1241 or the second The radius of the pivot hole 1242 to its corresponding curved surface 1247, 1248 is greater than the first pivot hole 1241 or the second pivot hole 1242 to its corresponding plane 1245, 1246 The first sliding piece 1215 is in surface contact with the one side plane 1245 of the middle piece 124 when the glasses are fully popped, the first compression spring 127 is in a stretched state; the second sliding The sheet 1225 is in surface contact with the other side plane 1246 of the intermediate member 124, the second compression spring 128 is in a stretched state, in a stable state; when the glasses are completely folded, the first slider 1215 is One side curved surface 1247 of the intermediate member 124 is in line contact, the first compression spring 127 is in a compressed state; the second sliding piece 1225 is in line contact with the other side curved surface 1248 of the intermediate member 124, The second compression spring 128 is in a compressed state and is in an unstable state; the structure of the locking mechanism 10 is as described above (the same applies hereinafter).

Please refer to FIG. 17, which is another schematic structural view of the center beam mechanism 120 in the present invention. It is basically the same as the structure of the center beam mechanism 120 shown in FIG. 16 except that a first ball missing (not visible) is provided on the side of the first sliding piece 1215 on the middle piece 124. The middle member 124 is provided with a first recess 150 at a position relative to the first ball missing portion; a second ball missing portion 12251 is disposed on a side of the second sliding piece 1225 opposite the intermediate member 124, in the middle a second recess 160 is provided at a position of the member 124 relative to the second ball lack 12251; when the glasses are fully opened, the first ball is missing in the first recess 150, and the second ball missing 12251 is in the In the second recess 160, it is in a stable state, and the unstable state is as described above, and will not be described again.

Referring to Fig. 18, it is a third modified structural view of the center beam mechanism 120 of the present invention. The center beam mechanism 120 includes a first center beam connector 121, a second center beam connector 122, a transverse compression spring 129, and an intermediate member 124. The first center beam connector 121 and the second center beam connector 122 are respectively Securely attached to the inner sides of the first frame 1 and the second frame 3, and respectively have a first center beam connector free end 1214 and a second center beam connector free end 1224; the first center beam connector free end 1214 and the second end of the second beam connecting member free end 1224 are flat, and the side adjacent to the top end surface is a curved surface 170, 180, and the frame method is provided on the free end 1214 of the first middle beam connecting member a first vertical beam connecting member pivoting hole 1241, the radius of the first middle beam connecting piece pivoting hole 1241 to its corresponding curved surface 170 is greater than a radius to a plane thereof; and the second middle beam connecting a second middle beam connecting member pivot hole 1242 perpendicular to the frame normal is disposed on the free end 1221, and the radius of the second middle beam connecting member pivot hole 1242 to the corresponding curved surface 180 is greater than a plane thereof a radius; the intermediate member 124 is located in the first middle beam connecting member 121 and the second middle beam connecting member 122 a transverse groove is disposed in the intermediate piece 124, and a transverse compression spring 129 is disposed in the transverse groove, and a first sliding piece 1215 and a second sliding piece 1225 are respectively disposed at two ends of the lateral compression spring 129. The first pivoting hole 1241 and the second pivoting hole 1242 are perpendicular to the normal of the frame, and the intermediate member 124 and the first center beam are disposed in the first pivoting hole 1241. a first pivot pin 1243 pivotally connected to the connecting member 121; a second pivot pin 1244 pivotally connecting the middle member 124 and the second center beam connecting member 122 is disposed in the second pivoting hole 1242; When fully popped, the plane of the free end 1214 of the first center beam connector is in surface contact with the first sliding piece 1215, the plane of the free end 1224 of the second center beam connecting piece and the second sliding piece 1225 is in surface contact, the transverse compression spring 129 is in a stretched state; when the glasses are completely folded, the curved surface 170 of the free end 1214 of the first middle beam connector is in line contact with the first sliding piece 1215. The curved surface 180 of the free end 1224 of the second center beam connector is in line contact with the second sliding piece 1225, and the lateral compression Spring 129 in a compressed state.

Referring to Figure 19, there is shown a fourth modified structural view of the center beam mechanism 120 of the present invention. Compared with the embodiment shown in FIG. 18, the basic structure is the same, except that a first ball missing 12151 is provided on the outer side of the first sliding piece 1215, and the first middle beam connecting member 121 is opposite. a first recess 150 is disposed at a position of the first ball missing 12151; a second ball missing (not visible) is disposed outside the second sliding plate 1225, and the second middle beam connecting member 122 is opposite to the second The second recess 160 is provided at a position where the ball is missing; when the glasses are fully opened, the first spherical recess 12151 is in the first recess 150, and the second spherical recess is in the second recess 160.

In each of the above embodiments, the inner wall of the first temple may be designed to have an inwardly concave first lens protection frame 131 for collecting the first lens; on the inner wall of the second temple Also provided is an inwardly concave second lens protection frame (not visible) for collecting the second lens, so that the first lens and the second lens upper and lower lenses are completely wrapped when the glasses are fully folded. To prevent lens wear. The temple portions corresponding to the first lens protection frame and the second lens protection frame may be made of a transparent or translucent material.

Referring to FIG. 20, FIG. 20 is a schematic exploded view showing a third embodiment of the present invention. The embodiment shown in Fig. 20 and the embodiment shown in Fig. 12 have the same general structure, except that the locking mechanism is different, and the structure of the locking mechanism in Fig. 20 is simpler. Such a latching mechanism is as shown in FIG. 21, and is configured to extend a hook 103 inwardly on the upper side and the lower side of the second temple 6 (the hook on the lower side of the figure is not visible), The hook ears 1031 of the hook 103 are all outward; a hook groove or a hook hole 104 is respectively disposed on the inner wall of the first temple 5 corresponding to the hook 103 on the second temple 6; when the glasses are closed The hook 103 is just hooked into the hook groove or the hook hole 104. When in use, the side surface of the second temple 6 is directly pressed inward in the direction of the cutting head (the side has a certain elasticity when made of plastic) When the hook ear 1031 is disengaged from the hook groove or the hook hole 104, the purpose of opening the glasses is achieved;

Obviously, the latching mechanism 10 (not shown) may also be designed to extend a hook 103 inwardly on the upper side and the lower side of the first temple 5, respectively, and the hook ears 1031 of the hook 103 are Looking outward; a hook groove or a hook hole 104 is respectively disposed on the inner wall of the second temple 6 corresponding to the hook 103 on the first temple 5; when the glasses are closed, the hook 103 is just hooked When the side surface of the first temple 5 is directly pressed inwardly in the hook groove or the hook hole 104, the hook ear 1031 is detached from the hook groove or the hook hole 104.

Referring to FIG. 22, FIG. 22 is another locking mechanism. The locking mechanism 10 is configured to extend a hook 103 inwardly on the upper side and the lower side of the second temple 6, respectively. The hook ears 1031 of the hooks 103 are all facing inward; a hook groove or a hook hole 104 is respectively disposed on the outer wall of the first temple 5 corresponding to the hooks 103 on the second temple 6; When it is closed, the hook 103 is just hooked into the hook groove or the hook hole 104, and directly presses the side surface of the first temple 5 directly (when the plastic material is made, the side has a certain elasticity), The hook ear 1031 is disengaged from the hook groove or the hook hole 104.

Of course, the latching mechanism 10 (not shown) may also be designed to extend a hook 103 inwardly on the upper side and the lower side of the second temple 6, respectively, the hook ears 1031 of the hook 103 are facing a hook groove or a hook hole 104 is respectively disposed on the outer wall of the first temple 5 corresponding to the hook 103 on the second temple 6; when the glasses are closed, the hook 103 is hooked When the side surface of the second temple 6 is directly pressed inward in the direction of the arrow in the hook groove or the hook hole 104, the hook ear 1031 is disengaged from the hook groove or the hook hole 104.

Referring to FIG. 23 and FIG. 24, FIG. 23 is a schematic exploded view of still another embodiment of the present invention.

Figure 24 is a schematic view showing the structure of the other locking mechanism of Figure 23; The embodiment shown in Fig. 23 has the same general structure as the embodiment shown in Fig. 12, except that the first temple 5 and the second temple 6 are in the form of a sheet (the thickness is preferably 2-4 mm). The latching mechanism 10 is configured to extend a hook 103 inwardly on the upper side and the lower side of the second temple 6, and the hook ears 1031 of the hooks 103 are all facing inward; An outer opening surface of the temple 5 is provided with an opening mechanism 400 for opening the hook 103. The top opening mechanism 400 includes two arcuate levers 410 symmetrically disposed, and an opening portion 420 is formed at one end of the curved lever 410. The other end of the curved lever 410 is a pressing portion 430. A fulcrum 440 is provided in the middle of the curved lever 410, and the curved lever 410 is movably connected to the outer side of the first temple 5 by a pin or a screw at the fulcrum 440. When the glasses are closed, the hook ears 1031 of the hook 103 are hooked on the outer side surface of the first temple 5 and correspond to the top opening portion 420; when the glasses need to be opened, only the curved shape is manually pressed. With the pressing portion 430 of the lever 410, the top opening portion 420 of the curved lever 410 will open the hook 103, and the glasses will automatically pop open. In order to achieve the purpose of automatically resetting the jacking mechanism 400, a tension spring 450 may be disposed between the two curved levers 410 on the side of the top opening portion 420, and the two ends of the tension spring 450 are respectively hooked on the two curved levers 410; Alternatively, a spring (not shown) may be disposed between the two curved levers 410 on the side of the pressing portion 430, and the two ends of the spring are respectively hooked on the two curved levers 410; in order to protect the opening mechanism 400, A cover plate 460 may also be disposed on the outer side of the ejector mechanism 400.

Obviously, the structure of the locking mechanism 10 can also be designed to provide the hook 103 on the first temple 5, and the structure of the top opening mechanism 400 on the second temple 6, the effect is completely the same as the above embodiment. the same.

In the above various embodiments, a hanging hole 300 for hanging glasses is provided at the end of the first temple 5 and the second temple 6, and when sold in a supermarket, in order to not occupy the position, the The hanging hole 300 is hung; when used, people can conveniently hang on the hook in the room as needed.

The above-mentioned examples are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and equivalent changes or modifications made by the features and principles described in the claims of the present invention are included in Within the scope of the patent application of the present invention.

Claims

1. A folding eyeglass that can be automatically bounced, comprising a first frame, a first lens being disposed in the first frame; and a second frame being in the

a second lens is disposed in the second frame, the first temple and the second temple. The width of the end of the first temple connected to the first frame is greater than or equal to the width of the first lens, and the shape and the The shape of one lens is matched; the width of one end of the second temple connected to the second frame is greater than or equal to the width of the second lens, and its shape matches the shape of the second lens; the first frame Between the first temple and the first temple is elastically coupled by the first elastic member; the second frame and the second temple are elastically coupled by the second elastic member; and further comprising a center beam mechanism, The center beam mechanism includes a first center beam connector, a second center beam connector, a first tension spring, a second tension spring, and an intermediate member, the first center beam connector and the second center beam connector And respectively fixed to the inner sides of the first frame and the second frame, and respectively having a first middle beam connector free end and a second center beam connector free end, the first middle beam connector free end and the second The end faces of the free ends of the middle beam connectors are all flat; a first transverse groove is disposed on the middle beam connecting member, and a second lateral groove is disposed on the second middle beam connecting member, wherein the first tension spring is disposed in the first transverse groove, the first tension spring The inner end is movably connected to the first middle beam connecting member, the second tension spring is disposed in the second lateral groove, and the inner end of the second tension spring is movably connected with the second middle beam connecting member; a first pivoting hole and a second pivoting hole perpendicular to the normal of the frame, respectively, are disposed between the first middle beam connecting piece and the second middle beam connecting piece; a first pivot pin is disposed in the first pivot hole, an outer end of the first tension spring is sleeved on the first pivot pin; and a second pivot pin is disposed in the second pivot hole The outer end of the second tension spring is sleeved on the second pivot pin; the two sides of the middle piece are flat, and the side adjacent to the two sides of the middle piece is a curved surface; the first pivotal connection a radius of the hole or the second pivot hole to the corresponding curved surface is greater than a radius of the first pivot hole or the second pivot hole to the corresponding plane; forming when the glasses are fully elastic The end surface of the free end of the first center beam connecting member is in surface contact with a side surface of the intermediate member, the first tension spring is in a contracted state; the end surface of the free end of the second center beam connecting member is The other side of the middle piece is in surface contact, the second tension spring is in a contracted state; when the glasses are completely gathered, the end surface of the free end of the first center beam connecting piece and one side of the middle piece are curved In a line contact, the first tension spring is in a stretched state; an end surface of the free end of the second center beam connecting member is in line contact with the other side arc surface of the intermediate member, and the second tension spring is in a line a tensioning state; a locking mechanism for holding the glasses in a folded state after the glasses are completely closed, respectively, between the upper and lower symmetry between the first temple and the second temple.

2 . The self-bounceable folding glasses according to claim 1 , wherein a first slider is disposed in the first lateral slot, and a first slide is disposed on an outer end of the first slider a first pivoting hole is disposed on the first sliding block, and the first tensioning spring is sleeved on the first pivoting pin through the first lateral through hole; a second slider is disposed in the second lateral slot, a second slider pivot hole is disposed at an outer end of the second slider, and a second lateral through hole is disposed on the second slider, the second The tension spring is sleeved on the second pivot pin through the second lateral through hole.

The self-bounceable folding eyeglasses according to claim 1 or 2, wherein a first nose pad is disposed on an inner side of the first center beam connecting member, and the first nose pad sets the first nose pad a slider and a first tension spring cover are disposed therein; a second nose pad is disposed on an inner side of the second center beam connector, and the second nose pad connects the second slider and the second tension spring cover inside.

The self-bounceable folding eyeglasses according to claim 3, wherein the locking mechanism is configured to extend a hook inwardly on the upper side and the lower side of the first temple; Providing a hook hole at a position of the hook of the second temple corresponding to the first temple; when the glasses are closed, the hook is hooked in the hook hole, and the hook hole is The outer side is respectively provided with an elastic pressing piece, and the elastic pressing piece is provided with a convex piece relative to the hook hole, and when the elastic pressing piece is pressed in the direction of the hook hole, the convex piece presses the hook, and the a hook is detached from the hook hole; or the latch mechanism is configured to extend a hook inwardly on the upper, side or lower side of the second temple; corresponding to the first temple The hooks on the second temple are respectively provided with a hook hole; when the glasses are closed, the hooks are just hooked in the hook holes, and elastic hooks are respectively arranged on the outer sides of the hook holes, and the elastic buttons are respectively a bump is provided on the sheet with respect to the hook hole, and when the elastic sheet is pressed in the direction of the hook hole, the bump presses the hook The hook from the hook hole.

The self-bounceable folding glasses according to claim 3, wherein the locking mechanism is configured to extend a hook inwardly on the upper side and the lower side of the second temple, respectively. The hook ears of the hooks are outwardly facing; a hook groove or a hook hole is respectively disposed on the inner wall of the first temple corresponding to the hook on the second temple; when the glasses are closed, the The hook is hooked into the hook groove or the hook hole, and when the side surface of the second temple is directly pressed inwardly, the hook ear is disengaged from the hook groove or the hook hole; or the structure of the locking mechanism is The upper side and the lower side of the first temple respectively extend inwardly with a hook, the hook ears of the hook are outward; the inner wall of the second temple corresponds to the hook on the first temple Each of the positions is provided with a hook groove or a hook hole; when the glasses are closed, the hook is just hooked into the hook groove or the hook hole, and when the side of the first temple is directly pressed inward, the hook ear and the hook are The groove or hook hole is detached.

The self-bounceable folding glasses according to claim 3, wherein the locking mechanism is configured to extend a hook inwardly on the upper side and the lower side of the second temple, respectively. The hook ears of the hooks are all facing inward; a hook groove or a hook hole is respectively disposed on the outer wall of the first temple corresponding to the hook on the second temple; when the glasses are closed, the The hook is hooked into the hook groove or the hook hole, and when the side surface of the first temple is directly pressed inward, the hook ear is disengaged from the hook groove or the hook hole; or the structure of the locking mechanism is The upper side and the lower side of the second temple respectively extend inwardly with a hook, the hook ears of the hook are facing inward; on the outer wall of the first temple, corresponding to the hook on the second temple Each of the positions is provided with a hook groove or a hook hole; when the glasses are closed, the hook is just hooked into the hook groove or the hook hole, and when the side of the second temple is directly pressed inward, the hook ear and the hook are The groove or hook hole is detached.

The self-bounceable folding eyeglasses according to claim 3, wherein the locking mechanism is configured to extend a hook inwardly on the upper side and the lower side of the second temple, respectively. The hook ears of the hooks are all facing inward; an outer opening mechanism for opening the hooks is disposed on an outer side surface of the first temple, the top opening mechanism includes two arc-shaped levers symmetrically disposed, One end of the curved lever is a top opening portion, and the other end of the curved lever is a pressing portion, and a fulcrum is provided in a middle portion of the curved lever, and the arc lever is movably connected to the first temple at a fulcrum by a pin or a screw On the side, when the glasses are closed, the hooks of the hooks are hooked on the outer side of the first temple and correspond to the top opening; when the glasses need to be opened, only the curved lever is manually pressed. When the pressing portion is opened, the top opening portion of the curved lever is opened with a hook, and the glasses are automatically bounced; a tension spring is arranged between the two curved levers on the side of the top opening portion, and the two ends of the tension spring are respectively hooked on the two arcs a spring is arranged on the lever or on the side of the pressing portion between the two curved levers, and the two ends of the spring are respectively hooked on the two a latching mechanism; or the latching mechanism is configured to extend a hook inwardly on the upper side and the lower side of the first temple, the hook ears of the hook are all facing inward; An outer opening surface of the temple is provided with an opening mechanism for opening the hook, the top opening mechanism comprises two arc-shaped levers arranged symmetrically, and the top end of the curved lever is an open portion, and the other end of the curved lever For the pressing portion, a fulcrum is provided in the middle of the curved lever, and the curved lever is movably connected to the outer side surface of the second temple by a pin or a screw at the fulcrum, and when the glasses are closed, the hook hook of the hook is The outer side of the second temple corresponds to the top opening portion; when it is required to open the glasses, the pressing portion of the curved lever is only required to be manually pressed, and the top opening portion of the curved lever is opened. The glasses will automatically bounce; a tension spring is arranged between the two curved levers on the side of the top opening portion, and the two ends of the tension spring are respectively hooked on the two curved levers or on the side of the pressing portion between the two curved levers A spring is provided, and the two ends of the spring are respectively hooked on the two curved levers.

8. A folding eyeglass that can be automatically bounced, comprising a first frame, wherein a first lens is disposed in the first frame; a second frame, a second lens is disposed in the second frame, the first mirror a leg and a second temple, a width of an end of the first temple connected to the first frame is greater than or equal to a width of the first lens, and a shape conforms to a shape of the first lens; the second mirror The width of one end of the leg connected to the second frame is greater than or equal to the width of the second lens, and the shape thereof matches the shape of the second lens; the first frame and the first leg pass the first elasticity The member is elastically coupled; the second frame and the second temple are elastically coupled by the second elastic member; and further comprising a center beam mechanism, the middle beam mechanism including the first middle beam connector a second center beam connector, a first compression spring, a second compression spring, and an intermediate member, the first center beam connector including a first upper connecting piece and a first lower connecting piece, the first upper connecting piece and The first lower connecting piece is fixed in parallel at a certain interval a first middle beam connecting piece pivot hole is disposed on the first upper connecting piece and the first lower connecting piece, and the first compression spring is disposed on the first upper connecting piece and the first lower side Between the connecting pieces, the inner end of the first compression spring is fixed to the first frame, and the outer end of the first compression spring is provided with a first sliding piece slidable between the first upper connecting piece and the first lower connecting piece; The second center beam connecting member includes a second upper connecting piece and a second lower connecting piece, and the second upper connecting piece and the second lower connecting piece are fixed in parallel at a certain interval on the inner side of the second frame, a second middle beam connecting piece pivot hole is disposed on the second upper connecting piece and the second lower connecting piece, and the second compression spring is disposed between the second upper connecting piece and the second lower connecting piece, The inner end of the second compression spring is fixed to the second frame, and the outer end of the second compression spring is provided with a second sliding piece slidable between the second upper connecting piece and the second lower connecting piece; Between the first middle beam connecting member and the second middle beam connecting member; respectively disposed at two sides of the intermediate member a first pivoting hole and a second pivoting hole perpendicular to the normal line of the frame, and a first pivoting pin pivotally connecting the first middle beam connecting member and the intermediate member in the first pivoting hole; a second pivot pin for pivotally connecting the second middle beam connecting member and the intermediate member; the two sides of the intermediate member are flat, and the side adjacent to the two sides is a curved surface; the first pivot hole or a radius of the second pivot hole to the corresponding curved surface is greater than a radius of the first pivot hole or the second pivot hole to a corresponding plane thereof; forming the first slip when the glasses are fully popped open The sheet is in surface contact with a side surface of the middle member, the first compression spring is in a stretched state; the second sliding sheet is in surface contact with the other side of the intermediate member, and the second compression spring is stretched a state; when the glasses are completely closed, the first sliding piece is in line contact with one side of the arc of the intermediate piece, the first compression spring is in a compressed state; the second sliding piece is in the middle The other side of the piece is in line contact, the second compression spring is in a compressed state; in the first temple and the second temple The upper and lower latch mechanism is provided with a symmetrical each holding a spectacle eyeglass folded state after the fully contracted.

9. The self-bounceable folding eyeglass according to claim 8, wherein a first ball is provided on a side of the first slider opposite to the intermediate member, and the middle member is opposite Providing a first recess at a position where the first ball is missing; a second ball missing on a side of the second slider opposite to the middle member, and a position of the middle member relative to the second ball missing portion There is a second recess; when the glasses are fully open, the first ball is missing in the first recess, and the second ball is in the second recess.

The self-bounceable folding glasses according to claim 8 or 9, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the first temple, respectively. a hook hole; a hook hole is respectively disposed at a position of the hook of the second temple corresponding to the first temple; when the glasses are closed, the hook is hooked in the hook hole at the hook The outer side of the hole is respectively provided with an elastic pressing piece, and the elastic pressing piece is provided with a convex piece relative to the hook hole, and when the elastic pressing piece is pressed in the direction of the hook hole, the convex piece presses the hook, and the The hooking hook is detached from the hook hole; or the latching mechanism is configured to extend a hook inwardly on the upper side and the lower side of the second temple, respectively; corresponding to the first temple A hook hole is respectively disposed at a position of the hook on the second temple; when the glasses are closed, the hook is just hooked in the hook hole, and elastic hooks are respectively arranged on the outer side of the hook hole a protrusion is provided on the sheet relative to the hook hole, and when the elastic sheet is pressed in the direction of the hook hole, the protrusion presses the hook Disengaging the hook from the hook hole.

The self-bounceable folding glasses according to claim 8 or 9, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the second temple, respectively. a hook, the hook ears of the hook are outwardly facing; a hook groove or a hook hole is respectively disposed on the inner wall of the first temple corresponding to the hook on the second temple; when the glasses are closed, the The hook is just hooked into the hook groove or the hook hole, and when the side of the second temple is directly pressed inward, the hook ear is separated from the hook groove or the hook hole; or the structure of the locking mechanism is The upper side and the lower side of the first temple respectively extend a hook inwardly, and the hook ears of the hook are outwardly facing; on the inner wall of the second temple, corresponding to the first temple The hooks are respectively provided with a hook groove or a hook hole; when the glasses are closed, the hook is hooked into the hook groove or the hook hole, and when the side of the first temple is directly pressed inward, the hook ear is Detach from the hook groove or hook hole.

The self-bounceable folding glasses according to claim 8 or 9, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the second temple, respectively. a hook, the hook ears of the hook are all facing inward; a hook groove or a hook hole is respectively arranged on the outer wall of the first temple corresponding to the hook on the second temple; when the glasses are closed, the The hook is just hooked into the hook groove or the hook hole, and when the side of the first temple is directly pressed inward, the hook ear is separated from the hook groove or the hook hole; or the structure of the locking mechanism is The upper side and the lower side of the second temple respectively extend inwardly with a hook, the hook ears of the hooks are all facing inward; on the outer wall of the first temple, corresponding to the second temple The hooks are respectively provided with a hook groove or a hook hole; when the glasses are closed, the hook is hooked in the hook groove or the hook hole, and when the side of the second temple is directly pressed inward, the hook ear is Detach from the hook groove or hook hole.

The self-bounceable folding glasses according to claim 8 or 9, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the second temple, respectively. a hook, the hook ears of the hook are all facing inward; an outer opening mechanism for opening the hook is disposed on an outer side surface of the first temple, and the top opening mechanism comprises two arc-shaped levers symmetrically disposed. At one end of the curved lever is a top opening portion, the other end of the curved lever is a pressing portion, a fulcrum is provided at a middle portion of the curved lever, and the curved lever is movably connected to the first temple at a fulcrum with a pin or a screw On the outer side surface, when the glasses are closed, the hook hook of the hook is hooked on the outer side surface of the first temple and corresponds to the top opening portion; when the glasses need to be opened, only the curved lever is manually pressed The pressing portion of the curved lever is open to the top of the curved lever, and the glasses are automatically bounced; a tension spring is arranged between the two curved levers on the side of the top opening portion, and the two ends of the tension spring are respectively hooked a spring is arranged on the curved lever or between the two curved levers on the side of the pressing portion, and the two ends of the spring are respectively hooked on the two Or the locking mechanism is configured to extend a hook inwardly on the upper side and the lower side of the first temple, the hook ears of the hook are all facing inward; An outer opening surface of the two-legged leg is provided with an opening mechanism for opening the hook, the top opening mechanism comprises two arc-shaped levers arranged symmetrically, and the top end of the curved lever is an open portion, and the curved lever is another One end is a pressing portion, a fulcrum is provided in a middle portion of the curved lever, and a curved lever is movably connected to an outer side surface of the second temple by a pin or a screw at a fulcrum, and the hook hook of the hook is closed when the glasses are closed On the outer side of the second temple, corresponding to the top opening; when the glasses need to be opened, only the pressing portion of the curved lever is manually pressed, and the top opening of the curved lever is opened The glasses will automatically bounce; a tension spring is arranged between the two curved levers on the side of the top opening portion, and the two ends of the tension spring are respectively hooked on the two curved levers or the pressing portion between the two curved levers The spring is arranged on the side, and the two ends of the spring are respectively hooked on the two curved levers.

14. A folding eyeglass that can be automatically bounced, comprising a first frame, wherein a first lens is disposed in the first frame; a second frame, a second lens is disposed in the second frame, the first mirror a leg and a second temple, a width of an end of the first temple connected to the first frame is greater than or equal to a width of the first lens, and a shape conforms to a shape of the first lens; the second mirror The width of one end of the leg connected to the second frame is greater than or equal to the width of the second lens, and the shape thereof matches the shape of the second lens; the first frame and the first leg pass through the first elastic member Elastically coupled; the second frame and the second temple are elastically coupled by the second elastic member; and further comprising a middle beam mechanism, the middle beam mechanism comprising a first middle beam connector, a second center beam connecting member, a first compression spring and an intermediate member, wherein the first middle beam connecting member and the second middle beam connecting member are respectively fixed to inner sides of the first frame and the second frame, and respectively have a first a middle beam connector free end and a second center beam connector from a distal end surface of the free end of the first middle beam connecting piece and the free end of the second middle beam connecting piece are flat, and a side surface adjacent to the top end surface is a curved surface, on the free end of the first middle beam connecting piece Providing a first center beam connector pivot hole perpendicular to the frame normal, the radius of the first center beam connector pivot hole to its corresponding curved surface is greater than a radius to a plane thereof; in the second a second middle beam connecting member pivoting hole perpendicular to the frame normal is disposed on the free end of the beam connecting member, and the radius of the second middle beam connecting member pivoting hole to the corresponding curved surface is greater than a radius to the plane thereof; The intermediate member is located between the first middle beam connecting member and the second middle beam connecting member; a transverse groove is disposed on the intermediate member, and a transverse compression spring is disposed in the transverse groove to compress in the lateral direction A first sliding piece and a second sliding piece are respectively disposed at two ends of the spring, and a first pivot hole and a second pivot hole perpendicular to the normal line of the frame are respectively disposed on two sides of the middle piece, and the first pivot hole is a first pivot pin for pivotally connecting the middle member and the first middle beam connecting member; and a second pivot hole a second pivot pin for pivotally connecting the middle member and the second center beam connecting member; forming a plane of the free end of the first center beam connecting member and the first sliding piece when the glasses are fully popped open In a surface contact, a plane of the free end of the second center beam connecting member is in surface contact with the second sliding piece, the transverse compression spring is in an extended state; and when the glasses are completely folded, the first middle beam connecting piece a curved surface of the free end is in line contact with the first sliding piece, a curved surface of the free end of the second middle beam connecting piece is in line contact with the second sliding piece, and the transverse compression spring is in a compressed state; The locking mechanism of the first temple and the second temple is vertically symmetrically arranged to keep the glasses folded after the glasses are completely closed.

The self-bounceable folding eyeglasses according to claim 14, wherein a first ball missing is provided on an outer side of the first sliding piece, and the first middle beam connecting piece is opposite to the first one. a position of the ball missing is provided with a first recess; a second ball is provided on the outer side of the second sliding piece, and a second recess is provided at a position of the second middle beam connecting piece with respect to the second ball missing; When the glasses are fully open, the first ball is missing in the first recess and the second ball is in the second recess.

The self-bounceable folding eyeglasses according to claim 14 or 15, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the first temple, respectively. a hook hole; a hook hole is respectively disposed at a position of the hook of the second temple corresponding to the first temple; when the glasses are closed, the hook is hooked in the hook hole at the hook The outer side of the hole is respectively provided with an elastic pressing piece, and the elastic pressing piece is provided with a convex piece relative to the hook hole, and when the elastic pressing piece is pressed in the direction of the hook hole, the convex piece presses the hook, and the The hooking hook is detached from the hook hole; or the latching mechanism is configured to extend a hook inwardly on the upper side and the lower side of the second temple, respectively; corresponding to the first temple A hook hole is respectively disposed at a position of the hook on the second temple; when the glasses are closed, the hook is hooked in the hook hole, and an elastic pressing piece is respectively disposed on the outer side of the hook hole, and the elastic pressing is performed a bump is provided on the sheet with respect to the hook hole, and when the elastic sheet is pressed in the direction of the hook hole, the bump presses the hook, The hook disengaged from the hook hole.

The self-bounceable folding glasses according to claim 14 or 15, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the second temple, respectively. a hook, the hook ears of the hook are outwardly facing; a hook groove or a hook hole is respectively disposed on the inner wall of the first temple corresponding to the hook on the second temple; when the glasses are closed, the The hook is just hooked into the hook groove or the hook hole, and when the side of the second temple is directly pressed inward, the hook ear is separated from the hook groove or the hook hole; or the structure of the locking mechanism is The upper side and the lower side of the first temple respectively extend a hook inwardly, and the hook ears of the hook are outwardly facing; on the inner wall of the second temple, corresponding to the first temple The hooks are respectively provided with a hook groove or a hook hole; when the glasses are closed, the hook is hooked into the hook groove or the hook hole, and when the side of the first temple is directly pressed inward, the hook ear is Detach from the hook groove or hook hole.

The self-bounceable folding eyeglasses according to claim 14 or 15, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the second temple, respectively. a hook, the hook ears of the hooks are all facing inward; a hook groove or a hook hole is respectively disposed on the outer wall of the first temple corresponding to the hook on the second leg; when the glasses are closed, the The hook is just hooked into the hook groove or the hook hole, and when the side of the first temple is directly pressed inward, the hook ear is disengaged from the hook groove or the hook hole; or the structure of the locking mechanism is in the a side hook and a lower side of the second temple respectively extend inwardly with a hook, the hook ears of the hook are facing inward; on the outer wall of the first temple, corresponding to the hook on the second temple Each of the positions is provided with a hook groove or a hook hole; when the glasses are closed, the hook is just hooked into the hook groove or the hook hole, and when the side of the second temple is directly pressed inward, the hook ear and the hook are The groove or hook hole is detached.

The self-bounceable folding glasses according to claim 14 or 15, wherein the locking mechanism is configured to extend inwardly on the upper side and the lower side of the second temple, respectively. a hook, the hook ears of the hook are all facing inward; an outer opening mechanism for opening the hook is provided on an outer side surface of the first temple, and the top opening mechanism comprises two arc-shaped levers symmetrically disposed At the end of the curved lever is a top opening portion, the other end of the curved lever is a pressing portion, a fulcrum is provided at a middle portion of the curved lever, and the curved lever is movably connected to the first temple at a fulcrum with a pin or a screw On the outer side surface, when the glasses are closed, the hook hook of the hook is hooked on the outer side surface of the first temple and corresponds to the top opening portion; when the glasses need to be opened, only the curved shape is manually pressed The pressing portion of the lever, the top opening portion of the curved lever is open to the hook, and the glasses are automatically bounced; a tension spring is arranged between the two curved levers on the side of the top opening portion, and the two ends of the tension spring are respectively hooked a spring is arranged on the two curved levers or between the two curved levers on the side of the pressing portion, and the two ends of the spring are respectively hooked a two-arc lever; or the locking mechanism is configured to extend a hook inwardly on the upper side and the lower side of the first temple, the hook ears of the hook are all facing inward; An outer opening surface of the second temple is provided with an opening mechanism for releasing the hook, the top opening mechanism includes two arc-shaped levers symmetrically disposed, and an open portion at one end of the curved lever, the curved lever The other end is a pressing portion, and a fulcrum is provided in a middle portion of the curved lever, and a curved lever is movably connected to an outer side surface of the second temple by a pin or a screw at a fulcrum, and the hook ear of the hook is closed when the glasses are closed Hooking on the outer side of the second temple and corresponding to the top opening; when the glasses need to be opened, only the pressing portion of the curved lever is manually pressed, and the top opening of the curved lever is opened Hook, the glasses will automatically bounce; there is a tension spring between the two curved levers on the side of the top opening, the two ends of the tension spring are respectively hooked on the two curved levers or the pressing portion between the two curved levers A spring is arranged on one side, and the two ends of the spring are respectively hooked on the two curved levers.

20 . A folding eyeglass that can be automatically opened, comprising a first frame, a first lens in the first frame, a second frame, and a second lens in the second frame, the first mirror a leg and a second temple, a width of an end of the first temple connected to the first frame is greater than or equal to a width of the first lens, and a shape conforms to a shape of the first lens; the second mirror The width of one end of the leg connected to the second frame is greater than or equal to the width of the second lens, and the shape thereof matches the shape of the second lens; the first frame and the first leg pass the first elasticity The member is elastically coupled; the second frame and the second temple are elastically coupled by the second elastic member; wherein the first frame and the second frame are hinged and are provided on the hinge And a locking mechanism for maintaining the first frame and the second frame in a straight line; and a locking mechanism for keeping the glasses folded after the glasses are completely closed between the first temple and the second temple.

The self-bounceable folding eyeglasses according to claim 20, wherein the positioning mechanism comprises a positioning spring, and the positioning spring is sleeved on the hinge shaft of the hinge and is pressed by the nut. Two pairs of protrusions and concave surfaces are respectively disposed on the bottom surface of the connection portion on one side of the hinge and the connection portion on the other side of the hinge, wherein the size of the pair of protrusions and the concave surface and the size of the other pair of protrusions and concave surfaces are not Equally, when the glasses are fully opened, the corresponding protrusions of the size are just stuck in the concave surface, so that the first frame and the second frame remain in a straight state; when the glasses are to be folded or folded, the protrusions are opposite to the The concave surface is rotated by a certain angle, and the large convexity cannot fall into the small concave surface. Although the small convexity can fall into the large concave surface, the two cannot function as a lock due to the difference in size between the two.

The self-bounceable folding eyeglasses according to claim 20, wherein the spring of the positioning mechanism is disposed in a longitudinal receiving hole of the connecting portion of the hinge and the second frame, at the lower end of the spring. a steel ball is disposed on the joint portion of the hinge with the first frame, and a concave surface is disposed at a position relative to the steel ball, and the upper end of the spring is sealed by the plug when the first frame and the second frame are in a straight line. The bead is placed in the concave surface under the action of the spring to realize positioning of the first frame and the second frame, keeping the first frame and the second frame in a straight line; the spring, the steel ball and The concave surface is two sets, wherein the size of one set of springs, steel balls and concave surfaces is not equal to the size of the other set. When the glasses are completely opened, the corresponding steel balls are just stuck in the concave surface, so that the first frame and the second frame are The frame is kept in a straight state; when the glasses are to be folded or folded, the steel balls are rotated at a certain angle with respect to the concave surface, and the large steel balls are unlikely to fall into the small concave surface, and the locking effect is not obtained.

The self-bounceable folding eyeglasses according to claim 20, wherein the positioning mechanism has a structure in which a connecting portion of the hinge on one side of the nose pad extends to another connecting portion of the hinge. Forming an extension plane, a first magnet piece or a first iron piece is disposed on an inner side of the extension plane, and a second polarity opposite to the first magnet piece is disposed on a plane of the other connection portion with respect to the extension plane a magnetic sheet, when the first frame and the second frame are in a straight line, the second magnetic piece is overlapped with the first magnetic piece or the first iron piece, and the first frame and the second frame are realized Positioning.

The self-bounceable folding eyeglasses according to any one of claims 20 to 23, wherein an inner concave wall is provided on the inner wall of the first temple for collecting a first lens protection frame of a lens; an inner lens wall of the second temple is also provided with an inwardly concave second lens protection frame for collecting the second lens. When the glasses are fully folded, the first lens and the first lens are The upper and lower lenses of the second lens are completely wrapped by the protective frame to prevent lens wear.