CN219957998U - Rotary mechanism capable of folding glasses legs outwards and rotating glasses frame - Google Patents

Abstract

The utility model discloses a rotating mechanism capable of folding glasses legs outwards and rotating a glasses frame, which comprises a first bracket, wherein a first cam, a second cam, a first elastic piece, a first rotating shaft and a first supporting piece are arranged on the first bracket, the first bracket is used for being connected with a corresponding glasses frame, the first rotating shaft is fixedly connected with the first cam, the first rotating shaft is used for being hinged with a corresponding first glasses leg, the first cam is matched with the second cam under the action of the first elastic piece, the first cam rotates relative to the second cam to enable the first glasses leg to rotate up and down relative to the glasses frame, the first glasses leg can be propped against the first supporting piece to be a fulcrum and rotate outwards around the first rotating shaft, and meanwhile, the first cam moves axially and enables the first elastic piece to deform elastically. The utility model can realize the outward folding of the first glasses leg and the rotation of the glasses frame, is convenient and quick to operate, has better fitting degree and comfort with users, and can better meet the use requirements of different users.

Description

Rotary mechanism capable of folding glasses legs outwards and rotating glasses frame

Technical Field

The present utility model relates to eyeglasses, and more particularly, to a rotatable mechanism capable of folding a temple and rotating a frame.

Background

Glasses are mainly used for improving eyesight, protecting eyes or being used for decoration, such as myopia glasses, hyperopia glasses, presbyopic glasses, astigmatic glasses, plano glasses, goggles, swimming goggles, night glasses, electronic contest glasses, goggles, toy glasses, sunglasses, AR intelligent glasses and the like, and more fields need to use various different types of glasses, and the glasses become one of indispensable tools in work and life of more and more people. However, most of the prior glasses have the defects that the positions of the glasses legs and the glasses frame are generally not adjustable, the angles of the glasses legs relative to the glasses frame cannot be adjusted outwards, the glasses legs can only be forced to be broken outwards, the glasses legs can not rotate relative to the glasses frame, the problems of over-loosening, over-tightening, infirm, shaking, sliding and the like are easy to occur in the wearing process of a user, the degree of fit, the use performance, the comfort and the like of the user are poor, the safety, the stability and the reliability are low, different requirements of different users cannot be met, and the application and the development of products are affected.

Disclosure of Invention

The utility model aims to provide a rotating mechanism capable of folding glasses legs outwards and rotating a glasses frame, which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:

the utility model provides a but external folding mirror leg and rotary mechanism of picture frame, including first support, be provided with first cam on the first support, the second cam, first elastic component, first pivot and first support piece, first support is used for being connected with corresponding picture frame, first pivot and first cam fixed connection, first pivot is used for articulated with corresponding first mirror leg, first mirror leg can cooperate with first support piece, first cam can axial slip and can circumferencial direction rotate, second cam circumferencial direction is fixed, under the effect of first elastic component, first cam and second cam cooperate, first cam rotates and can make first mirror leg rotate about the picture frame for the second cam, the picture frame can rotate promptly, first mirror leg can support and be fulcrum and rotate outward around first pivot on the first support piece, first cam axial displacement and first cam axial displacement make first elastic component elastic deformation promptly, first mirror leg can be external folding.

In some embodiments, the first bracket is provided with a first connecting shaft, the first cam and the second cam are sequentially arranged on the first connecting shaft, the first cam and the circumferential direction of the first connecting shaft can rotate relatively, the second cam and the circumferential direction of the first connecting shaft are fixed, the first cam and the second cam can axially slide along the first connecting shaft, and the first cam and the second cam axially slide to enable the first elastic piece to elastically deform.

In some embodiments, a third stop is provided on the first bracket for limiting the axial sliding distance of the second cam.

In some embodiments, one end of the first connecting shaft is provided with a first limiting member, the other end of the first connecting shaft is provided with a second limiting member, the first bracket is provided with a through hole connected with the first connecting shaft, and the first limiting member and the second limiting member can axially fix the first connecting shaft.

In some embodiments, the first elastic member is a compression spring sleeved on the first connecting shaft, the second cam is located between the first elastic member and the first cam, one end of the first elastic member is pressed against the second cam, and the other end of the first elastic member is pressed against the first bracket.

In some embodiments, the first bracket is provided with a first groove, and the first cam, the second cam and the first elastic member are located in the first groove.

In some embodiments, the first limiting member is a flange integrally formed on the first connecting shaft, the second limiting member is a first circlip, and the first connecting shaft is provided with a first clamping groove matched with the second limiting member.

In some embodiments, the first rotating shaft is hinged to the first connecting arm, the first connecting arm is fixedly connected to the first glasses leg, a first protruding block matched with the first supporting piece is arranged on the first connecting arm, the first protruding block abuts against the first supporting piece to serve as a supporting point, the first connecting arm rotates outwards around the first rotating shaft, and meanwhile the first cam moves axially and enables the first elastic piece to deform elastically.

In some embodiments, the first connecting arm is provided with two fourth limiting parts, the two fourth limiting parts are arranged up and down, the first bracket is provided with two fifth limiting parts which are respectively in one-to-one correspondence with the two fourth limiting parts, and the two fourth limiting parts and the two fifth limiting parts are matched to limit the angle of the first glasses leg relative to the glasses frame.

In some embodiments, the first shaft is welded to the first cam, and the first connecting arm is provided with a first ear plate hinged to the first shaft.

In addition, in the technical scheme of the utility model, the technical scheme can be realized by adopting conventional means in the field without specific description.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a turning mechanism of a rotatable mirror frame and a foldable mirror leg according to an embodiment of the present utility model.

Fig. 2 is an exploded view of an embodiment of the present utility model, a foldable temple and a rotatable frame.

Fig. 3 is a cross-sectional view of a foldable temple and rotatable frame of one embodiment of the present utility model.

Fig. 4 is a schematic structural view of a rotating mechanism of a rotatable mirror frame and a foldable mirror leg according to an embodiment of the present utility model.

Fig. 5 is a sectional view showing an outward folded state of a turning mechanism of a rotatable mirror frame and a foldable mirror leg according to an embodiment of the present utility model.

Fig. 6 is a schematic view showing an upward rotation state of a rotation mechanism of a rotatable frame and a foldable temple according to an embodiment of the present utility model.

In the drawings, reference numerals indicate that the first bracket 1, the first supporting member 11, the first groove body 12, the third limiting member 13, the fifth limiting member 14, the first cam 2, the second cam 3, the first elastic member 4, the first rotating shaft 5, the first connecting shaft 6, the first limiting member 61, the second limiting member 62, the first connecting arm 7, the first protruding block 71, the fourth limiting member 72 and the first lug plate 73.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are illustrative of some, but not all embodiments of the utility model and are not intended to limit the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "two sides", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "superior," "subordinate," "primary," "secondary," and the like are used for descriptive purposes only and may be used simply to more clearly distinguish between different components and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 6, a turning mechanism of an outward folding mirror leg and a rotatable mirror frame according to the present utility model is schematically shown, and includes a first bracket 1, on which a first cam 2, a second cam 3, a first elastic member 4, a first rotating shaft 5, and a first supporting member 11 are disposed, the first bracket 1 is used for connecting with a corresponding mirror frame, for example, by means of a snap connection, a welding connection, or a fastening connection, etc., the first rotating shaft 5 is fixedly connected with the first cam 2, for example, by means of a welding connection, a fastening connection, or an integral molding, etc., the first rotating shaft 5 is used for hinging with a corresponding first mirror leg, the first mirror leg is not shown in the drawing, the first mirror leg can be matched with the first supporting member 11, the first cam 2 is matched with the second cam 3, the first elastic member 4 is matched with the first cam 2 and/or the second cam 3, the first cam 2 can slide axially, the first cam 2 can rotate in a circumferential direction, the second cam 3 can be fixed in a circumferential direction, the second cam 3 can slide axially, and the second cam 3 can slide axially. Under the action of the first elastic element 4, the first cam 2 is matched with the second cam 3, the first cam 2 interacts with the cam surface of the second cam 3, the first elastic element 4 is elastically deformed by the axial movement of the first cam 2, the axial sliding of the first cam 2 at least needs to overcome the axial acting force of the first elastic element 4 on the first cam 2, and the rotation of the first cam 2 at least needs to overcome the friction damping force of the second cam 3 on the first cam 2.

In the use process, the first bracket 1 is connected with a corresponding mirror frame, the first rotating shaft 5 is hinged with a corresponding first mirror leg, and after the first mirror leg is opened relative to the mirror frame, the first mirror leg can be ensured to be stable relative to the mirror frame at the moment under the action of the first elastic piece 4, the first cam 2 and the second cam 3, and the first mirror leg cannot shake outwards or upwards and downwards relative to the mirror frame; when the first glasses leg is required to be folded outwards and expanded, the first glasses leg is rotated outwards, the first glasses leg is abutted against the first supporting piece 11 to serve as a fulcrum, the first glasses leg rotates outwards around the first rotating shaft 5, meanwhile, the first glasses leg drives the first cam 2 to axially move through the first rotating shaft 5, the first cam 2 axially moves to enable the first elastic piece 4 to elastically deform, and after the first glasses leg is loosened, the first elastic piece 4 can drive the first cam 2, the first glasses leg and the like to reset; when needs first mirror leg rotates about for the picture frame (rotatory picture frame promptly), rotate about the relative picture frame of first mirror leg, first cam 2 is rotated through first pivot 5 drive to first mirror leg, first elastic component 4 and second cam 3 can produce friction damping force for the rotation of first cam 2, make first mirror leg rotate about can stop and auto-lock at will, thereby can realize the roll over of first mirror leg and the rotation of picture frame, convenient operation, swiftly, compact structure, stability and reliability are high, can carry out different adjustment respectively according to different users, for example adjust according to the face size of using, specific face shape, nose bridge height etc. the user is difficult for producing too loose, too tight, not firm, rock, slip scheduling problem in wearing the in-process, with the laminating degree of user, performance, comfort etc. better, can satisfy different user's user demand better, the range of application is wide etc.. The angle of the first temple may be 10 °, 15 °, 20 ° or any other suitable angle, and the angle of the first temple that rotates up and down relative to the frame may be 3 °, 5 °, 7 ° or any other suitable angle.

Be provided with first connecting axle 6 on the first support 1, first cam 2 and second cam 3 set gradually on first connecting axle 6, first cam 2 and the relative rotation of first connecting axle 6 circumferencial direction, second cam 3 and first connecting axle 6 circumferencial direction are fixed, first cam 2 and second cam 3 can follow first connecting axle 6 axial sliding, first cam 2 and second cam 3 axial sliding can make first elastic component 4 elastic deformation, first connecting axle 6 and second cam 3 can adopt modes such as flat position structure, key structure, slider and spout structure to make second cam 3 and first connecting axle 6 circumferencial direction fixed. When the first glasses leg rotates outwards, the first glasses leg is propped against the first supporting piece 11 to be a fulcrum, the first glasses leg rotates outwards around the first rotating shaft 5, meanwhile, the first glasses leg drives the first cam 2 and the second cam 3 to move axially together through the first rotating shaft 5, the first cam 2 and the second cam 3 slide axially to enable the first elastic piece 4 to deform elastically, and after the first glasses leg is loosened, the first elastic piece 4 drives the first cam 2, the second gear 3, the first glasses leg and the like to reset, the structure is simple and compact, the operation is convenient, and the device is stable and reliable.

The first bracket 1 is provided with a third limiting piece 13 for limiting the axial sliding distance of the second cam 3, when the first glasses leg rotates outwards, the first glasses leg is propped against the first supporting piece 11 to serve as a fulcrum, the first glasses leg rotates outwards around the first rotating shaft 5, meanwhile, the first glasses leg drives the first cam 2 and the second cam 3 to move together axially through the first rotating shaft 5, the first cam 2 and the second cam 3 slide axially to enable the first elastic piece 4 to deform elastically, and when the second cam 3 is matched with the third limiting piece 13, the second cam 3 cannot slide continuously axially, and further the first glasses leg cannot fold outwards continuously, so that the maximum angle of folding outwards of the first glasses leg is limited, and the method is safer and more reliable. The third limiting piece 13 can be a single part arranged on the first bracket 1, the third limiting piece 13 can also be a limiting plane integrally formed on the first bracket 1, and the shaft end plane of the second cam 2 is pressed against the third limiting piece 13 to limit.

One end of the first connecting shaft 6 is provided with a first limiting piece 61, the other end of the first connecting shaft 6 is provided with a second limiting piece 62, the first bracket 1 is provided with a through hole connected with the first connecting shaft 6, two ends of the first connecting shaft 6 respectively penetrate through the corresponding through holes, and then the two ends of the first connecting shaft 6 are respectively locked by the first limiting piece 61 and the second limiting piece 62, so that the first connecting shaft 6 is axially fixed, the first limiting piece 61 can be an elastic check ring for a shaft, a locking nut and the like, the second limiting piece 62 can be an elastic check ring, a locking nut, a shaft shoulder or a flange and the like, the structure is more stable and reliable, and the operation is more convenient. The first limiting piece 61 is an integrally formed flange on the first connecting shaft 6, the second limiting piece 62 is a first elastic retainer ring, a first clamping groove matched with the first elastic retainer ring is formed in the first connecting shaft 6, the structure is more compact and stable, and the operation is more convenient. The first bracket 1 can be further provided with a groove body matched with the first limiting piece 61, and the first bracket 1 and the first connecting shaft 6 can also adopt flat structures and the like, so that the first connecting shaft 6 can not rotate, and the structure is more stable and reliable.

The first elastic piece 4 is a compression spring sleeved on the first connecting shaft 6, the second cam 3 is positioned between the first elastic piece 4 and the first cam 2, one end of the first elastic piece 4 is pressed against the second cam 3, the other end of the first elastic piece 4 is pressed against the first bracket 1, and the operation is more convenient. The first bracket 1 is provided with the first groove body 12, the first cam 2, the second cam 3 and the first elastic piece 4 are positioned in the first groove body 12, so that the assembly, the disassembly and other operations are convenient, and the weight and the like are reduced.

The first rotating shaft 5 is connected with the first glasses leg through the first connecting arm 7, the first rotating shaft 5 is hinged with the first connecting arm 7, the first connecting arm 7 is fixedly connected with the first glasses leg through the first connecting arm 7, the first connecting arm 7 and the first glasses leg can be connected through fasteners such as screws, the first connecting arm 7 is provided with a first protruding block 71 matched with the first supporting piece 11, the first protruding block 71 is abutted against the first supporting piece 11 to serve as a fulcrum, the first connecting arm 7 rotates outwards around the first rotating shaft 5, meanwhile, the first cam 2 moves axially, and the first cam 2 moves axially to enable the first elastic piece 4 to deform elastically. When the first temple is rotated outward, as shown in fig. 3 and 5, the first projection 71 of the first connecting arm 7 abuts against the first supporting member 11 as a fulcrum, and the first connecting arm 7 is rotated outward about the first rotation shaft 5, while the first connecting arm 7 drives the first cam 2 and the second cam 3 to move together axially by the first rotation shaft 5, and the first cam 2 and the second cam 3 slide axially to elastically deform the first elastic member 4, thereby achieving the outward folding of the first temple. The first connecting arm 7 may be part of the turning mechanism of the present utility model, and the first connecting arm 7 may be part of the first temple.

The first connecting arm 7 is provided with two fourth limiting pieces 72, the two fourth limiting pieces 72 are vertically arranged, the first bracket 1 is provided with two fifth limiting pieces 14 which are respectively in one-to-one correspondence with the two fourth limiting pieces 72, the two fifth limiting pieces 14 are also vertically arranged, when the first mirror leg rotates upwards relative to the mirror frame, as shown in fig. 4 and 6, the first mirror leg rotates up and down relative to the mirror frame, the first connecting arm 7 drives the first cam 2 to rotate through the first rotating shaft 5, the first elastic piece 4 and the second cam 3 can generate friction damping force for the rotation of the first cam 2, the first mirror leg can be randomly stopped and self-locked, when the fourth limiting piece 72 above is matched with the fifth limiting piece 14 above, the first mirror leg cannot continue to rotate upwards (namely, cannot continue to rotate upwards), and the first mirror leg rotates downwards relative to the mirror frame, so that the maximum angle of the first mirror leg rotates up and down relative to the mirror frame is limited, and the first mirror leg is safer and more reliable. The two fifth limiting members 14 are located between the two fourth limiting members 72, and the operation is more convenient. The fourth limiting member 72 may be integrally formed with the first connecting arm 7, the fifth limiting member 14 may be integrally formed with the first bracket 1, and the fifth limiting member 14 and the fourth limiting member 72 may have a planar structure.

The first rotating shaft 5 is welded with the first cam 2, one end, far away from the second cam 3, of the first cam 2 is provided with a connecting part, a hole body connected with the first rotating shaft 5 is arranged on the connecting part, the first rotating shaft 5 is inserted into the hole body and welded, and the structure is more stable and firm.

The first connecting arm 7 is provided with a first lug plate 73 hinged with the first rotating shaft 5, one end of the first rotating shaft 5 is fixedly connected with the first cam 2, and the other end of the first rotating shaft 5 can be locked through a circlip and the like, so that the operation is more convenient. The first lug plates 73 are two symmetrically arranged, the first rotating shafts 5 are also two symmetrically arranged, the first lug plates 73 and the first rotating shafts 5 are in one-to-one correspondence, the first cam 2 is located between the two first rotating shafts 5, the two first rotating shafts 5 are located between the two first lug plates 73, the two first rotating shafts 5 are coaxial, the stress is more uniform, and the structure is more stable and reliable.

Compared with the prior art, the utility model has the advantages that: when the first glasses leg is required to be folded outwards and expanded, the first glasses leg is rotated outwards, the first protruding block 71 of the first connecting arm 7 is abutted against the first supporting piece 11 to serve as a fulcrum, the first connecting arm 7 rotates outwards around the first rotating shaft 5, meanwhile, the first connecting arm 7 drives the first cam 2 and the second cam 3 to axially move together through the first rotating shaft 5, the first cam 2 and the second cam 3 axially move to enable the first elastic piece 4 to elastically deform, and after the first glasses leg is released, the first elastic piece 4 can drive the first cam 2, the second cam 3, the first glasses leg and the like to reset, and the third limiting piece 13 can also limit the maximum angle of the first connecting arm 7 to be folded outwards; when the first glasses leg rotates up and down relative to the glasses frame (namely, the glasses frame is rotated), the first glasses leg rotates up and down relative to the glasses frame, the first connecting arm 7 drives the first cam 2 to rotate through the first rotating shaft 5, the first elastic piece 4 and the second cam 3 can generate friction damping force for the rotation of the first cam 2, the up and down rotation of the first glasses leg can be stopped at will and self-locked, and the fourth limiting piece 72 and the fifth limiting piece 14 are matched to limit the maximum angle of the up and down rotation of the first glasses leg; the glasses frame has the advantages that the structure is simple, compact and stable, the operation is convenient and quick, the folding of the first glasses legs and the rotation of the glasses frame can be realized, the safety, the stability and the reliability are high, different adjustments can be respectively carried out according to different users, for example, the adjustment is carried out according to the size of the face, the specific face shape, the nose bridge height and the like of the user, the problems of over-loosening, over-tightening, infirm, shaking, sliding and the like are not easy to occur in the wearing process of the user, the fit degree, the use performance, the comfort and the like of the user are better, the use requirements of different users can be met better, the glasses frame is convenient to be applied to various different glasses such as myopia glasses, hyperopia glasses, goggles, night glasses, electronic contesting glasses, goggles, sunglasses, AR intelligent glasses and the like, the application range is wide, the product competitiveness is enhanced, and the application and the development of the product are enlarged.

The foregoing description of the embodiments of the present utility model is merely illustrative of the technical solutions of the present utility model and not limiting thereof, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept of the present utility model, and all such modifications and substitutions shall fall within the scope of the appended claims. In this case, all details may be replaced with equivalent elements, and the materials, shapes and sizes may be arbitrary.

Claims (10)

1. But external folding mirror leg and rotary mirror frame's slewing mechanism, a serial communication port, including first support (1), be provided with first cam (2), second cam (3), first elastic component (4), first pivot (5) and first support piece (11) on first support (1), first support (1) are used for being connected with corresponding picture frame, first pivot (5) with first cam (2) fixed connection, first pivot (5) are used for articulated with corresponding first mirror leg, first mirror leg can with first support piece (11) cooperate, first cam (2) can axial slip and can the circumferencial direction rotate, second cam (3) circumferencial direction is fixed under the effect of first elastic component (4), first cam (2) with second cam (3) cooperate, first cam (2) can make first mirror leg can rotate for first cam (2) pivot (2) are rotated for first pivot (4) and can be rotated for first pivot (4) and first pivot (2) is rotated for first pivot (5) and can be rotated to first elastic component (2) simultaneously.

2. The rotating mechanism of the foldable glasses leg and the rotatable glasses frame according to claim 1, wherein a first connecting shaft (6) is arranged on the first bracket (1), the first cam (2) and the second cam (3) are sequentially arranged on the first connecting shaft (6), the first cam (2) and the first connecting shaft (6) can rotate relatively in the circumferential direction, the second cam (3) and the first connecting shaft (6) are fixed in the circumferential direction, the first cam (2) and the second cam (3) can axially slide along the first connecting shaft (6), and the first cam (2) and the second cam (3) axially slide to enable the first elastic piece (4) to elastically deform.

3. The turning mechanism of the foldable temple and the rotatable frame according to claim 2, wherein the first bracket (1) is provided with a third limiting member (13) for limiting the axial sliding distance of the second cam (3).

4. The rotating mechanism of the foldable temple and the rotatable frame according to claim 2, wherein a first limiting member (61) is provided at one end of the first connecting shaft (6), a second limiting member (62) is provided at the other end of the first connecting shaft (6), a through hole connected with the first connecting shaft (6) is provided on the first bracket (1), and the first limiting member (61) and the second limiting member (62) can axially fix the first connecting shaft (6).

5. The rotating mechanism of the foldable temple and the rotatable frame according to claim 4, wherein the first elastic member (4) is a compression spring sleeved on the first connecting shaft (6), the second cam (3) is located between the first elastic member (4) and the first cam (2), one end of the first elastic member (4) is pressed against the second cam (3), and the other end of the first elastic member (4) is pressed against the first bracket (1).

6. The rotating mechanism of the foldable temple and the rotatable frame according to claim 5, wherein the first bracket (1) is provided with a first groove (12), and the first cam (2), the second cam (3) and the first elastic member (4) are located in the first groove (12).

7. The rotating mechanism of the foldable temple and rotatable frame according to claim 4, wherein the first limiting member (61) is a flange integrally formed on the first connecting shaft (6), the second limiting member (62) is a first circlip, and the first connecting shaft (6) is provided with a first clamping groove matched with the second limiting member (62).

8. The turning mechanism of a foldable temple and a rotatable frame according to any one of claims 1 to 7, wherein the first shaft (5) is hinged to a first connecting arm (7), the first connecting arm (7) is fixedly connected to the first temple, a first bump (71) matched with the first supporting member (11) is provided on the first connecting arm (7), the first bump (71) abuts against the first supporting member (11) as a fulcrum, and the first connecting arm (7) turns outwards around the first shaft (5), and at the same time, the first cam (2) moves axially and the first cam (2) moves axially to elastically deform the first elastic member (4).

9. The rotating mechanism of the foldable glasses leg and the rotatable glasses frame according to claim 8, wherein two fourth limiting pieces (72) are arranged on the first connecting arm (7), the two fourth limiting pieces (72) are arranged up and down, two fifth limiting pieces (14) which are respectively in one-to-one correspondence with the two fourth limiting pieces (72) are arranged on the first bracket (1), and the two fourth limiting pieces (72) and the two fifth limiting pieces (14) are matched to limit the angle of the first glasses leg which rotates up and down relative to the glasses frame.

10. The rotating mechanism of the foldable temple and the rotatable frame according to claim 8, wherein the first rotating shaft (5) is welded to the first cam (2), and the first connecting arm (7) is provided with a first ear plate (73) hinged to the first rotating shaft (5).