CN109884806B

CN109884806B - Piece formula equipment glasses

Info

Publication number: CN109884806B
Application number: CN201910266854.7A
Authority: CN
Inventors: 李慧; 朱圣旭; 韦伟
Original assignee: Zhejiang Yaxon Glasses Technology Co ltd
Current assignee: ZHEJIANG YAXON GLASSES TECHNOLOGY Co.,Ltd.
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-10-30
Anticipated expiration: 2039-04-03
Also published as: CN109884806A

Abstract

The invention belongs to the technical field of glasses, and particularly relates to a piece type assembled glasses, which comprises lenses, a connecting frame and a frame; the two lenses are connected through a connecting frame, the two lenses are connected with the picture frame through a first mounting groove and a second mounting groove, and mounting holes penetrating through the first mounting groove are formed in the lenses; the spectacle frame comprises an arc-shaped elastic sheet, spectacle legs and bolts; a first convex block and a second convex block are arranged on the arc-shaped elastic sheet corresponding to the first mounting groove; a through hole is formed in the first bump corresponding to the mounting hole; the glasses legs are connected to the arc-shaped elastic sheets; the bolt is used for connecting the arc-shaped elastic piece and the lens; the invention makes the frame suitable for mounting lenses with various thicknesses by the frame consisting of the arc-shaped elastic pieces, the glasses legs and the bolts, improves the application range of the frame, is convenient to mount and dismount, and avoids the damage of the lenses or the frame, the waste of working hours and materials caused by the strong mounting of the lenses into the frame.

Description

Piece formula equipment glasses

Technical Field

The invention belongs to the technical field of glasses, and particularly relates to a piece type assembled glasses.

Background

With the development of science and technology, people have higher and higher requirements on articles for daily use, particularly some personal articles next to the skin, such as glasses and spectacles become part of auxiliary life, such as presbyopic glasses, myopia glasses, sunglasses and the like are indispensable tools for assisting people in improving visual effect, however, the lenses of the current glasses, particularly presbyopic glasses, are thicker, and cannot be detached, so that the size is larger, and the glasses are inconvenient to carry and use.

Corrugated container board for the packing has also appeared among the prior art, has disclosed being a piece formula equipment glasses like chinese patent application No. 200910308451, including second spectacle-frame and two lenses, the equal swing joint in both ends of second spectacle-frame has the earpiece, one side that the earpiece was kept away from to the second spectacle-frame is equipped with first spectacle-frame, two the lens is located between first spectacle-frame and the second spectacle-frame, and rectangular board, four are all installed to the below of two lenses the mounting groove of installation is all seted up with the lens matching on the surface that rectangular board is close to the lens, two a plurality of through-holes have been seted up to the side of rectangular board, be equipped with the spring in the through-hole, and the both ends of spring contact with first spectacle-frame and second spectacle-frame respectively.

The existing spectacle lens and the spectacle frame are connected in an embedding mode, when the spectacle lens is installed in the spectacle frame, the spectacle lens needs to be squeezed forcibly, if the spectacle frame or the spectacle lens is carelessly damaged, the material waste and the work burden are caused.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the piece type assembled glasses, which are mainly used for solving the problem that materials are wasted due to the fact that when the lenses of the existing glasses are installed in the glasses frame, the glasses frame or the lenses of the glasses are easily damaged due to the fact that the existing glasses need to be squeezed forcibly.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a piece type assembled glasses, which comprises lenses, a connecting frame and a glasses frame; the two lenses are connected through a connecting frame, the two lenses are connected with the picture frame through a first mounting groove and a second mounting groove, and mounting holes penetrating through the first mounting groove are formed in the lenses; the glasses frame comprises an arc-shaped elastic sheet, glasses legs and bolts; a first convex block and a second convex block are arranged on the arc-shaped elastic sheet corresponding to the first mounting groove; the first bump is provided with a through hole corresponding to the mounting hole; the glasses legs are connected to the arc-shaped elastic pieces; the bolt is used for connecting the arc-shaped elastic piece and the lens; when the glasses frame is in work, the glasses frame is composed of the arc-shaped elastic pieces, the glasses legs and the bolts, so that the glasses frame is suitable for mounting lenses with various thicknesses, the application range of the glasses frame is improved, meanwhile, the glasses frame is convenient to mount and dismount, and the situation that the lenses or the glasses frame are damaged and the working hours and materials are wasted due to the fact that the lenses are mounted into the glasses frame in a powerful mode is avoided; a lug on the arc flexure strip passes through bolted connection behind the mounting groove, No. two lugs are because the elasticity of arc flexure strip is crooked to the lens direction, No. two lugs insert in No. two mounting grooves that correspond, make the installation of arc flexure strip more stable, and simultaneously, when the glasses leg atress, elasticity through the arc flexure strip makes the picture frame can not take place plastic deformation, the back of wearing for a long time has been avoided, take place plastic deformation because of the picture frame atress and lead to and the lens between the clamping-force reduce, lead to the lens to drop easily, influence the use of glasses.

Preferably, the glasses legs are connected and supported by an elastic metal rod and a rubber rod, the elastic metal rod is connected with the middle part of the rubber rod in a sliding manner, one end of the elastic metal rod is fixedly connected with the arc-shaped elastic sheet, the rubber rod is connected in a sliding groove formed in the arc-shaped elastic sheet in a sliding manner, a supporting rod is arranged between the elastic metal rod and one side, close to the arc-shaped elastic sheet, of the rubber rod, and a gap is formed in the side, connected with the rubber rod, of the elastic metal rod; the supporting rod is an elastic metal sheet, two ends of the supporting rod are respectively hinged to the elastic metal rod and the rubber rod, and a groove and a connecting block which are matched with each other are arranged at the bending position of the supporting rod; when the glasses are in a working state, in order to prevent the eyes from falling off, the rubber rod part in the glasses leg slides downwards along the sliding groove arranged on the arc elastic sheet so as to stretch the rubber rod; on the other hand, the middle parts of the elastic metal rod and the rubber rod are in sliding connection, so that the elastic metal rod and the rubber rod are kept in contact in the stretching process of the rubber rod, and the problem that the tail end of the glasses leg cannot be bent into a hook shape due to the fact that the elastic metal rod is separated from the rubber rod to be in contact with the rubber rod after the tail end of the elastic metal rod is bent into the hook shape is avoided, and the stability of the glasses in use is influenced.

Preferably, the lower part of the bolt is of a forked structure, two forked ends of the lower part of the bolt are bent inwards and then are contacted with each other, and a cavity structure is formed in the middle of the lower part of the bolt; a rubber gasket is filled between the first mounting groove and the first lug, and a connecting hole is also formed in the rubber gasket corresponding to the mounting hole; a round-chamfered corner structure is arranged at the through hole of the first bump; when the glasses are in work, the bolts with the fork-shaped structures are conveniently inserted into the first connecting hole and the through hole in sequence, and the problem that the use stability of the glasses is influenced due to the fact that the bolts are separated in the use process of the glasses is avoided; the rubber gasket is filled between the first mounting groove and the first lug, so that the mirror frame is deformed by extruding the rubber gasket after being stressed, thereby playing a role in buffering, and avoiding the damage of the mirror frame and lenses; simultaneously, through the arc structure that the two ends incurving of bolt lower part forked formed, with the clearance position that forms between the fillet that the rubber gasket extrusion got into the through-hole and the bolt to increase bolted connection's stability, and then increase the stability in use of glasses.

Preferably, a plurality of cutting grooves are formed in the connecting hole of the rubber gasket along the circumferential direction; a circular ring is sleeved on the upper part of the bolt; the during operation is through setting up a plurality of cut grooves on rubber gasket's connecting hole position for rubber gasket's connecting hole position is out of shape more easily, thereby when the ring extrusion on the upper portion of bolt was on rubber gasket, the rubber gasket of being convenient for was extruded and is got into the clearance position that forms between the fillet of through-hole and the bolt, has further increased the stability that increases bolted connection, and then increased glasses's stability in use.

Preferably, the connecting frame is connected in the corresponding slide ways arranged on the lens through arc structures at two ends, and the connecting frame is provided with square through holes; the square through hole is internally connected with a positioning block; the positioning block is of a T-shaped structure, the lower part of the positioning block is an arc section, the end part of the positioning block is welded with a convex point, the convex point is connected in a limiting groove correspondingly arranged on the lens, the upper part of the T-shaped positioning block is of an arc structure, and two ends of the upper part of the T-shaped positioning block are in contact connection with the lens; when the glasses are in work, the two lenses are connected together through the arc structures at the two ends of the connecting frame and in the slide ways correspondingly arranged on the lenses, and the freedom degree between the lenses and the connecting frame is limited through the T-shaped positioning blocks, so that the lenses and the connecting frame are prevented from shaking, and the use stability of the glasses is improved; after the locating piece passed the square perforation on the link, the bump of locating piece lower part was connected and is corresponded the spacing inslot that sets up on the lens for the locating piece is restricted the upper and lower slip of link, and the both ends of the circular arc structure on rethread T shape locating piece upper portion support the lens, make the locating piece restrict the rotation of link, thereby improved the stability of being connected between link and the lens, further guaranteed the stability that glasses used.

Preferably, a first clamping groove is formed in the square through hole, and a U-shaped limiting clamping ring is connected in the first clamping groove; two ends of the U-shaped limiting clamp ring are arranged in a second clamping groove formed in the upper part of the T-shaped positioning block; during operation, through the spacing snap ring of U-shaped of card income in a card inslot in square perforation, avoid the locating piece to slide in square perforation, again through with the upper portion both ends card of the spacing snap ring of U-shaped in No. two draw-in grooves that the upper portion of T shape locating piece was seted up, avoid the spacing snap ring of U-shaped to drop to improved the stability of being connected between locating piece and the link, further improved the stability of being connected between link and the lens, and then guaranteed the stability that glasses used.

The invention has the following beneficial effects:

1. the invention makes the frame suitable for mounting lenses with various thicknesses by the frame consisting of the arc-shaped elastic pieces, the glasses legs and the bolts, improves the application range of the frame, is convenient to mount and dismount, and avoids the damage of the lenses or the frame, the waste of working hours and materials caused by the strong mounting of the lenses into the frame.

2. After the first lug on the arc-shaped elastic piece is connected with the first mounting groove through the bolt, the second lug is bent towards the lens direction due to the elasticity of the arc-shaped elastic piece, and the second lug is inserted into the corresponding second mounting groove, so that the arc-shaped elastic piece is more stably mounted.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 2 at D;

FIG. 6 is a view in the direction E of FIG. 1;

FIG. 7 is a schematic view of the construction of a rubber gasket;

in the figure: the glasses comprise a lens 1, a connecting frame 2, a glasses frame 3, a first mounting groove 4, a second mounting groove 5, a mounting hole 6, an elastic sheet 31, glasses legs 32, bolts 33, a first bump 34, a second bump 35, through holes 36, an elastic metal rod 321, a rubber rod 322, a sliding groove 323, a supporting rod 324, a groove 325, a connecting block 326, a rubber gasket 7, a connecting hole 8, a cutting groove 9, a circular ring 10, a square through hole 11, a positioning block 12, a convex point 13, a limiting groove 14, a first clamping groove 15, a U-shaped limiting clamping ring 16, a second clamping groove 17 and a sliding way 18.

Detailed Description

A piece of assembled eyeglasses according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.

As shown in fig. 1, 2 and 4, the assembled glasses of the invention comprises a lens 1, a connecting frame 2 and a frame 3; the two lenses 1 are connected through a connecting frame 2, the two lenses 1 are connected with a picture frame 3 through a first mounting groove 4 and a second mounting groove 5, and the lenses 1 are provided with mounting holes 6 penetrating through the first mounting groove 4; the spectacle frame 3 comprises an arc-shaped elastic piece 31, spectacle legs 32 and bolts 33; a first convex block 34 and a second convex block 35 are arranged on the arc-shaped elastic piece 31 corresponding to the first mounting groove 4; a through hole 36 is formed in the first bump 34 corresponding to the mounting hole 6; the glasses legs 32 are connected to the arc-shaped elastic pieces 31; the bolt 33 is used for connecting the arc-shaped elastic piece 31 with the lens 1; when the glasses frame is in work, the glasses frame 3 is composed of the arc-shaped elastic pieces 31, the glasses legs 32 and the bolts 33, so that the glasses frame 3 is suitable for mounting lenses 1 with various thicknesses, the application range of the glasses frame 3 is improved, meanwhile, the glasses frame is convenient to mount and dismount, and the damage to the lenses 1 or the glasses frame 3 and the waste of working hours and materials caused by the fact that the lenses 1 are strongly mounted in the glasses frame 3 are avoided; no. 4 back at a mounting groove are connected through bolt 33 to a lug 34 on arc flexure strip 31, No. two lugs 35 are crooked to lens 1 direction because arc flexure strip 31's elasticity, No. two lugs 35 insert in No. two mounting grooves 5 that correspond, make arc flexure strip 31's installation more stable, and simultaneously, when glasses leg 32 atress, elasticity through arc flexure strip 31 makes picture frame 3 can not take place plastic deformation, the long-time back of wearing has been avoided, take place plastic deformation because of picture frame 3 atress and lead to and the lens 1 between the clamping-force reduce, lead to lens 1 to drop easily, influence the use of glasses.

As shown in fig. 2 and 5, the temple 32 is connected and supported by an elastic metal rod 321 and a rubber rod 322, the elastic metal rod 321 is slidably connected with the middle of the rubber rod 322, one end of the elastic metal rod 321 is fixedly connected with the arc-shaped elastic piece 31, the rubber rod 322 is slidably connected in a sliding groove 323 arranged on the arc-shaped elastic piece 31, a support rod 324 is arranged between the elastic metal rod 321 and one side of the rubber rod 322 close to the arc-shaped elastic piece 31, and a gap is arranged between the elastic metal rod 321 and one side of the rubber rod 322 connected; the supporting rod 324 is an elastic metal sheet, two ends of the supporting rod 324 are respectively hinged to the elastic metal rod 321 and the rubber rod 322, and a groove 325 and a connecting block 326 which are matched with each other are arranged at the bending part of the supporting rod 324; in operation, when a user is in a motion state, in order to prevent eyes from falling off, the rubber rod 322 is stretched by sliding the part of the rubber rod 322 in the glasses leg 32 downwards along the sliding groove 323 arranged on the arc-shaped elastic piece 31, on one hand, the tail end of the rubber rod 322 stretching the rubber rod 322 is provided with the elastic metal rod 321 to be bent and deformed, so that the tail end of the glasses leg 32 is bent into a hook shape, the contact area between the glasses leg 32 and ears is increased, glasses are prevented from falling off to break, and the practicability of the glasses is improved; on the other hand, the elastic metal rod 321 is slidably connected with the middle part of the rubber rod 322, so that the elastic metal rod 321 is in contact with the rubber rod 322 in the stretching process of the rubber rod 322, and the problem that the tail end of the glasses leg 32 cannot be bent into a hook shape due to the fact that the elastic metal rod 321 is separated from the rubber rod 322 to be in contact with the rubber rod 322 after the tail end of the elastic metal rod 321 is bent into the hook shape is avoided, and the stability of the glasses in use is affected.

As shown in fig. 4, the lower part of the bolt 33 is of a bifurcated structure, and two bifurcated ends of the lower part of the bolt 33 are bent inwards and then contacted with each other, and a cavity structure is formed in the middle of the lower part of the bolt 33; a rubber gasket 7 is filled between the first mounting groove 4 and the first bump 34, and a connecting hole 8 is also formed in the rubber gasket 7 corresponding to the mounting hole 6; a fillet structure is formed at the through hole 36 of the first bump 34; when the glasses are in work, the bolts 33 of the forked structure are convenient to be sequentially inserted into the first connecting hole 8 and the through hole 36, and the problem that the use stability of the glasses is affected due to the fact that the bolts 33 are separated in the use process of the glasses is avoided; the rubber gasket 7 is filled between the first mounting groove 4 and the first bump 34, so that the rubber gasket 7 is extruded to deform after the spectacle frame 3 is stressed, a buffering effect is achieved, and the spectacle frame 3 and the lenses 1 are prevented from being damaged; meanwhile, through the arc-shaped structure formed by inwards bending the two ends of the lower fork of the bolt 33, the rubber gasket 7 is extruded into the gap between the fillet of the through hole 36 and the bolt 33, so that the connection stability of the bolt 33 is improved, and the use stability of the glasses is further improved.

As shown in fig. 4 and 7, a plurality of cutting grooves 9 are formed in the connecting hole 8 of the rubber gasket 7 along the circumferential direction; the upper part of the bolt 33 is sleeved with a circular ring 10; during operation, through set up a plurality of cut grooves 9 on the connecting hole 8 position at rubber gasket 7 for 8 positions at rubber gasket 7 are out of shape more easily, thereby when the ring 10 extrusion on the upper portion of bolt 33 was on rubber gasket 7, the clearance position that is convenient for rubber gasket 7 to be extruded and forms between fillet and the bolt 33 that gets into through-hole 36 has further increased the stability that increases bolt 33 and connects, and then increased the stability in use of glasses.

As shown in fig. 1, 3 and 6, the connecting frame 2 is connected in the slide ways 18 correspondingly arranged on the lens 1 through the arc structures at the two ends, and the connecting frame 2 is provided with a square through hole 11; a positioning block 12 is connected in the square through hole 11; the positioning block 12 is of a T-shaped structure, the lower part of the positioning block 12 is an arc section, the end part of the positioning block is welded with a convex point 13, the convex point 13 is connected in a limiting groove 14 correspondingly arranged on the lens 1, the upper part of the T-shaped positioning block 12 is of an arc structure, and two ends of the upper part of the T-shaped positioning block 12 are in contact connection with the lens 1; when the glasses are in work, the two lenses 1 are connected together through the arc structures at the two ends of the connecting frame 2 and connected into the corresponding slide ways 18 arranged on the lenses 1, and the freedom degree between the lenses 1 and the connecting frame 2 is limited through the T-shaped positioning blocks 12, so that the lenses 1 and the connecting frame 2 are prevented from shaking, and the use stability of the glasses is improved; after the locating piece 12 passes square through hole 11 on link 2, bump 13 of locating piece 12 lower part is connected in the spacing groove 14 that corresponds the setting on lens 1, make locating piece 12 restrict link 2's upper and lower slip, the both ends of the circular arc structure on rethread T shape locating piece 12 upper portion support lens 1, make locating piece 12 restrict link 2's rotation, thereby improved the stability of being connected between link 2 and the lens 1, further guarantee the stability that glasses used.

As shown in fig. 3 and 6, a first clamping groove 15 is formed in the square through hole 11, and a U-shaped limiting snap ring 16 is connected in the first clamping groove 15; two ends of the U-shaped limiting clamp ring 16 are arranged in a second clamping groove 17 formed in the upper part of the T-shaped positioning block 12; during operation, through block into U-shaped spacing snap ring 16 in a draw-in groove 15 in square perforation 11, avoid locating piece 12 to slide in square perforation 11, again through with the upper portion both ends card of U-shaped spacing snap ring 16 in No. two draw-in grooves 17 that the upper portion of T shape locating piece 12 was seted up, avoid U-shaped spacing snap ring 16 to drop, thereby the stability of being connected between locating piece 12 and link 2 has been improved, the stability of being connected between link 2 and the lens 1 has further been improved, and then guarantee the stability that glasses used.

The specific working mode is as follows:

when the glasses frame is in work, the glasses frame 3 is composed of the arc-shaped elastic pieces 31, the glasses legs 32 and the bolts 33, so that the glasses frame 3 is suitable for mounting lenses 1 with various thicknesses, the application range of the glasses frame 3 is improved, meanwhile, the glasses frame is convenient to mount and dismount, and the damage to the lenses 1 or the glasses frame 3 and the waste of working hours and materials caused by the fact that the lenses 1 are strongly mounted in the glasses frame 3 are avoided; no. 4 back at a mounting groove are connected through bolt 33 to a lug 34 on arc flexure strip 31, No. two lugs 35 are crooked to lens 1 direction because arc flexure strip 31's elasticity, No. two lugs 35 insert in No. two mounting grooves 5 that correspond, make arc flexure strip 31's installation more stable, and simultaneously, when glasses leg 32 atress, elasticity through arc flexure strip 31 makes picture frame 3 can not take place plastic deformation, the long-time back of wearing has been avoided, take place plastic deformation because of picture frame 3 atress and lead to and the lens 1 between the clamping-force reduce, lead to lens 1 to drop easily, influence the use of glasses.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a piece formula equipment glasses, includes lens (1), link (2) and picture frame (3), its characterized in that: the two lenses (1) are connected through a connecting frame (2), the two lenses (1) are connected with the picture frame (3) through a first mounting groove (4) and a second mounting groove (5), and mounting holes (6) penetrating through the first mounting groove (4) are formed in the lenses (1); the spectacle frame (3) comprises an arc-shaped elastic piece (31), spectacle legs (32) and bolts (33); a first convex block (34) and a second convex block (35) are arranged on the arc-shaped elastic piece (31) corresponding to the first mounting groove (4); a through hole (36) is formed in the first bump (34) corresponding to the mounting hole (6); the glasses legs (32) are connected to the arc-shaped elastic pieces (31); the bolt (33) is used for connecting the arc-shaped elastic piece (31) with the lens (1);

the glasses legs (32) are connected and supported by an elastic metal rod (321) and a rubber rod (322), the middle parts of the elastic metal rod (321) and the rubber rod (322) are connected in a sliding mode, one end of the elastic metal rod (321) is fixedly connected with the arc-shaped elastic piece (31), the rubber rod (322) is connected in a sliding groove (323) formed in the arc-shaped elastic piece (31) in a sliding mode, a supporting rod (324) is arranged between the elastic metal rod (321) and one side, close to the arc-shaped elastic piece (31), of the rubber rod (322), and a gap is formed in one side, connected with the rubber rod (322), of the elastic metal rod (321); the supporting rod (324) is an elastic metal sheet, two ends of the supporting rod (324) are respectively hinged to the elastic metal rod (321) and the rubber rod (322), and a groove (325) and a connecting block (326) which are matched with each other are arranged at the bending position of the supporting rod (324).

2. A piece of assembled eyeglasses according to claim 1, wherein: the lower part of the bolt (33) is of a forked structure, two forked ends of the lower part of the bolt (33) are bent inwards and then are contacted with each other, and a cavity structure is formed in the middle of the lower part of the bolt (33); a rubber gasket (7) is filled between the first mounting groove (4) and the first bump (34), and a connecting hole (8) is also formed in the rubber gasket (7) corresponding to the mounting hole (6); and the through hole (36) of the first bump (34) is in a round-cornered structure.

3. A piece of assembled eyeglasses according to claim 2, wherein: a plurality of cutting grooves (9) are formed in the connecting hole (8) of the rubber gasket (7) along the circumferential direction; the upper part of the bolt (33) is sleeved with a circular ring (10).

4. A piece of assembled eyeglasses according to claim 1, wherein: the connecting frame (2) is connected in a slide way (18) correspondingly arranged on the lens (1) through arc structures at two ends, and a square through hole (11) is arranged on the connecting frame (2); a positioning block (12) is connected in the square through hole (11); the positioning block (12) is of a T-shaped structure, the lower portion of the positioning block (12) is an arc section, a protruding point (13) is welded at the end of the arc section, the protruding point (13) is connected in a limiting groove (14) correspondingly arranged on the lens (1), the upper portion of the T-shaped positioning block (12) is of an arc structure, and two ends of the upper portion of the T-shaped positioning block (12) are in contact connection with the lens (1).

5. A piece of assembled spectacles according to claim 4, wherein: a first clamping groove (15) is formed in the square through hole (11), and a U-shaped limiting clamping ring (16) is connected in the first clamping groove (15); two ends of the U-shaped limiting snap ring (16) are arranged in a second clamping groove (17) formed in the upper portion of the T-shaped positioning block (12).