CN111474738A

CN111474738A - Glasses with adjustable glasses legs and using method thereof

Info

Publication number: CN111474738A
Application number: CN202010400848.9A
Authority: CN
Inventors: 林西西; 季海萍
Original assignee: Wenzhou Mingjing Intelligent Technology Co ltd
Current assignee: Ruian dengdimen Education Technology Co., Ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-07-31
Anticipated expiration: 2040-05-13
Also published as: CN111474738B

Abstract

The invention relates to the field of glasses, in particular to glasses with adjustable glasses legs and a using method thereof. The glasses with the adjustable glasses legs and the using method of the glasses with the adjustable glasses legs achieve width adjustment of the glasses legs, the adjusting process is easy to operate, a wearer can conveniently select the glasses or adjust the glasses under different conditions, the adjusting process can be used for adjusting the inclination angles of the glasses legs and the glasses frame through the angle adjusting mechanism, the adjusting process is easy and convenient to operate, and the wearer can conveniently use different head side faces.

Description

Glasses with adjustable glasses legs and using method thereof

Technical Field

The invention relates to the field of glasses, in particular to glasses with adjustable glasses legs and a using method thereof.

Background

Many people have impaired vision due to irregular life, study, and eyes, and therefore many people wear glasses to meet the eye requirements for normal life, study, and the like, and wear glasses can effectively inhibit the degree from increasing.

The existing glasses are usually of a frame structure and mainly comprise a glasses frame, lenses and glasses legs, and the glasses are usually worn to be selected according to the head size, the myopia degree, the through hole distance and the like of a wearer. Normally, the service life of glasses is longer, current glasses are fixed structure usually, therefore different wearers choose for use comparatively difficultly, and in the life cycle of eyes, because human body changes, for example become fat or thin, can make the mirror foot of glasses be tighter or looser to the centre gripping of head, consequently the centre gripping position of head mirror foot can produce the indentation, lead to wearing uncomfortable, and under the condition of easy perspiring such as hot weather, motion state, sweat makes the mirror foot more smooth, lead to glasses to drop easily, influence the normal use of glasses, in view of this, we propose a glasses and a method of use with adjustable mirror foot.

Disclosure of Invention

The present invention is directed to glasses with adjustable temple and method of using the same to solve the above-mentioned problems. In order to achieve the purpose, the invention provides the following technical scheme:

The utility model provides a glasses with adjustable mirror foot, includes picture frame and mirror foot, the both ends department of picture frame is provided with two the width of mirror foot carries out the width mechanism of adjusting, adjusts and is provided with the angle modulation mechanism that is used for adjusting the contained angle of mirror foot in the width mechanism, and mirror foot dead axle rotates to be connected on angle modulation mechanism, and the middle part nose of picture frame holds in the palm the department and is provided with the solid mechanism of card that is used for adjusting width mechanism locking.

Preferably, transfer wide mechanism and include two regulating box, two regulating box symmetry formula is fixed at the both ends of picture frame, and regulating box is towards one side opening of mirror foot, and has seted up the spout on the inside lateral wall relative with the opening of regulating box, and the trend of spout is parallel with the line of two pupil central points of picture frame, and sliding connection has the slider in the spout, and threaded connection has the lead screw on the slider, and the central axis of lead screw is parallel to each other with the trend of spout, and the both ends of lead screw are fixed axle rotation respectively and are connected on the lateral wall that corresponds in the regulating box.

Preferably, a protective shell is fixed on the side wall, back to the back, of the outer portion of the adjusting box and the mirror frame, a first winding wheel is arranged in the protective shell and can rotate in the protective shell, one end, far away from the mirror frame, of the screw rod penetrates through the side wall of the adjusting box and is located in the protective shell, the screw rod is connected with the side wall of the adjusting box through a coil spring, and one end, located inside the protective shell, of the screw rod is fixedly connected with the center of the first winding wheel.

Preferably, a threading pipe is fixed on the side wall, opposite to the opening, of the outer portion of the adjusting box, the threading pipe is parallel to the direction of the sliding groove, a threading through groove II is formed in the side wall of the protective shell, and the interior of the protective shell is communicated with the interior of the threading pipe through the threading through groove II.

Preferably, transfer wide mechanism still including seting up in the inside cavity of nose support, all seted up the through wires hole on the both sides lateral wall that the cavity is close to the lens, seted up two threading on the frame of picture frame and led to groove one, the both ends that the threading led to groove one are linked together with corresponding through wires hole and threading pipe respectively.

Preferably, the fixed shaft in the cavity is rotatably connected with a rotating shaft, the rotating shaft is perpendicular to the sliding groove, one end of the rotating shaft, which is far away from the face of the wearer, penetrates through the side wall of the nose support and is exposed to the outside of the nose support, a knob is fixed at one end of the rotating shaft, which is located at the outside of the nose support, the clamping mechanism is arranged on the nose support, and the clamping mechanism can be in buckling contact with the rotating shaft.

Preferably, a second winding wheel and a third winding wheel are fixed on the rotating shaft, pull ropes are wound on the second winding wheel and the third winding wheel, the winding directions of the pull ropes on the second winding wheel and the third winding wheel are opposite, one end of the pull rope on the second winding wheel penetrates through one of the threading holes, penetrates through the corresponding first threading through groove, the corresponding threading pipe and the corresponding second threading through groove in sequence and is wound on the corresponding first winding wheel.

Preferably, the clamping mechanism comprises a slide rod, the slide rod is connected to the side wall of the nose support in a sliding mode, the slide rod is perpendicular to the rotating shaft, the slide rod is located above the rotating shaft and penetrates through the side wall of the nose support, a fastening head is fixed to one end, located outside the nose support, of the slide rod, a clamping block is fixed to one end, located inside the cavity, of the slide rod, the clamping block is connected with the side wall of the cavity through a spring, a gear is fixed to the rotating shaft, teeth are formed in one face, opposite to the gear, of the clamping block, and the clamping block can be connected with.

Preferably, the angle adjusting mechanism comprises a support, the length direction of the support is parallel to the direction of the sliding groove, two ends of the length direction of the support are respectively fixed with a first lug, a worm is rotationally connected to the first lugs, a second lug is fixed to the middle of the width direction of the support, the second lug is rotationally connected to a pin shaft, the pin shaft is fixed to a sliding block, a worm wheel is fixed to one side, opposite to the support, of the sliding block, the pin shaft is located at the center of the worm wheel, the worm wheel is meshed with the worm, and the mirror foot fixed shaft is rotationally connected to one side, opposite to the worm, of the support.

In addition, the application also provides a using method of the glasses with the adjustable glasses legs, which comprises the following steps:

The method comprises the following steps: the contact clamping mechanism limits the width adjusting mechanism, and then the width adjusting mechanism adjusts the width of the glasses legs;

Step two: the contact clamping mechanism limits the width adjusting mechanism, and then the width adjusting mechanism adjusts the width of the glasses legs in a narrowing mode;

Step three: the angle of the glasses legs is adjusted through the angle adjusting mechanism.

Compared with the prior art, the invention has the beneficial effects that:

In the invention, the width of the glasses legs is adjusted in opposite directions by the width adjusting mechanism, the width of the glasses legs is synchronously driven to be adjusted in opposite directions, the width of the glasses legs is adjusted, the glasses are conveniently selected or adjusted by a wearer, the width of the glasses legs is adjusted according to the change of a human body, the head is properly clamped by the glasses legs, the wearing comfort is improved, in addition, under the condition of sweating, the width of the glasses legs is adjusted, the clamping force of the glasses legs is increased, the glasses legs are prevented from sliding off, the normal use of the glasses is ensured, in the width adjusting process of the glasses legs, the positions of the lens and the center of the corresponding pupil are unchanged due to the synchronous width adjustment of the glasses legs, the use of the glasses is not influenced, the inclination angles of the glasses legs and the glasses frame are kept unchanged when the width of the glasses legs are adjusted, the glasses are further kept not inclined when being worn, and the inclination angles of the glasses legs and the glasses frame can be adjusted by the angle adjusting mechanism, the adjustment process is simple and convenient to operate, and is convenient for wearers at different head sides to use.

Drawings

FIG. 1 is a schematic cross-sectional view of the final assembly of the present invention;

FIG. 2 is a schematic structural diagram of a width adjusting mechanism according to the present invention;

3 FIG. 3 3 3 is 3 a 3 schematic 3 view 3 of 3 the 3 cross 3- 3 sectional 3 structure 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3

FIG. 4 is a top view of the internal structure of the nose pad of the present invention;

FIG. 5 is a first cross-sectional view of the structure of section B-B in FIG. 4;

Fig. 6 is a schematic view of the cross-sectional structure B-B in fig. 4.

In the figure: 1-a spectacle frame; 2-a temple; 3-a nose pad; 4-width adjusting mechanism; 5-an angle adjusting mechanism; 6-threading through groove I; 7-adjusting the box; 8-a chute; 9-a slide block; 10-a threading tube; 11-a screw rod; 12-a protective shell; 13-a first winding wheel; 14-a pull rope; 15-threading through groove II; 16-coil springs; 17-a scaffold; 18-lug one; 19-lug two; 20-a worm; 21-a turbine; 22-a pin shaft; 23-a chamber; 24-a rotating shaft; 25-a first winding wheel; 26-winding wheel III; 27-a gear; 28-knob; 29-threading hole; 30-a slide bar; 31-a cartridge; 32-a buckle head; 33-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

The utility model provides a glasses with adjustable mirror foot, includes picture frame 1 and mirror foot 2, the both ends department of picture frame 1 is provided with two the width of mirror foot 2 carries out the width of adjusting mechanism 4 of adjusting, adjusts and is provided with angle modulation mechanism 5 that is used for adjusting the contained angle of mirror foot on the

width mechanism

4, and 2 dead axles of mirror foot rotate to be connected on angle modulation mechanism 5, and the middle part nose of picture frame 1 holds in the palm the department and is provided with the card solid mechanism that is used for adjusting 4 lockings of width mechanism.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, width adjusting mechanism 4 includes two adjusting boxes 7, two adjusting boxes 7 are fixed at the both ends of picture frame 1 in a symmetrical manner, adjusting box 7 is towards one side opening of mirror foot 2, and adjusting box 7 has seted up spout 8 on the inside lateral wall relative with the opening, the trend of spout 8 is parallel with the line of the central point of picture frame 1, the central point of picture frame 1 be the position that corresponds the pupil of eyes on the lens of installation on picture frame 1, sliding connection has slider 9 in spout 8, threaded connection has lead screw 11 on slider 9, the central axis of lead screw 11 is parallel to each other with the trend of spout 8, the both ends of lead screw 11 are fixed axis respectively and are rotated and are connected on the lateral wall that corresponds in adjusting box 7.

In this embodiment, as shown in fig. 2, a protective shell 12 is fixed on a side wall of the outside of the adjusting box 7 opposite to the mirror frame 1, a first winding wheel 13 is disposed in the protective shell 12, the first winding wheel 13 can rotate in the protective shell 12, one end of the lead screw 11, which is far away from the mirror frame 1, penetrates through the side wall of the adjusting box 7 and is located in the protective shell 12, the lead screw 11 is connected with the side wall of the adjusting box 7 through a coil spring 16, and one end of the lead screw 11, which is located in the protective shell 12, is fixedly connected with the center of the first winding wheel 13.

In this embodiment, as shown in fig. 2, a threading pipe 10 is fixed on a side wall of the outside of the adjusting box 7 opposite to the opening, the threading pipe 10 is parallel to the sliding groove 8, a threading through groove two 15 is formed on a side wall of the protective shell 12, and the inside of the protective shell 12 is communicated with the inside of the threading pipe 10 through the threading through groove two 15.

In this embodiment, as shown in fig. 1 and 4, the width adjusting mechanism 4 further includes a cavity 23 provided inside the nose pad 3, the side walls of the two sides of the cavity 23 close to the lenses are both provided with threading holes 29, the frame of the spectacle frame 1 is provided with two threading through grooves 6, and two ends of the threading through grooves 6 are respectively communicated with the corresponding threading holes 29 and the threading pipes 10.

In this embodiment, as shown in fig. 4, a rotating shaft 24 is rotatably connected to the cavity 23 in a fixed-axis manner, the rotating shaft 24 and the sliding groove 8 are perpendicular to each other, one end of the rotating shaft 24, which is away from the face of the wearer, penetrates through the side wall of the nose pad 3 and is exposed to the outside of the nose pad 3, a knob 28 is fixed to one end of the rotating shaft 24, which is located outside the nose pad 3, and the fastening mechanism is disposed on the nose pad 3 and can be in abutting contact with the rotating shaft 24.

In this embodiment, as shown in fig. 1 and 4, the second winding wheel 25 and the third winding wheel 26 are fixed on the rotating shaft 24, the pulling rope 14 is wound on both the second winding wheel 25 and the third winding wheel 26, the winding directions of the pulling rope 14 on the second winding wheel 25 and the third winding wheel 26 are opposite, one end of the pulling rope 14 on the second winding wheel 25 passes through one of the threading holes 29, and sequentially passes through the corresponding first threading through groove 6, the threading pipe 10, and the second threading through groove 15 and is wound on the corresponding first winding wheel 13.

In this embodiment, as shown in fig. 5 and 6, the fastening mechanism includes a sliding rod 30, the sliding rod 30 is slidably connected to a side wall of the nose pad 3, the sliding rod 30 is perpendicular to the rotating shaft 24, the sliding rod 30 is located above the rotating shaft 24, the sliding rod 30 penetrates through the side wall of the nose pad 3, a fastening head 32 is fixed at one end of the sliding rod 30 located outside the nose pad 3, a fastening block 31 is fixed at one end of the sliding rod 30 located inside the cavity 23, the fastening block 31 is connected to the side wall of the cavity 23 through a spring 33, a gear 27 is fixed on the rotating shaft 24, teeth are formed on one surface of the fastening block 31 opposite to the gear 27, and the fastening block 31 can be engaged with the gear 27 through the teeth.

In this embodiment, as shown in fig. 2, the angle adjusting mechanism 5 includes a bracket 17, the length direction of the bracket 17 is parallel to the direction of the sliding chute 8, both ends of the length direction of the bracket 17 are fixed with first lugs 18, a worm 20 is connected to the two first lugs 18 in a fixed-axis rotation manner, a second lug 19 is fixed in the middle of the width direction of the bracket 17, the second lug 19 is connected to a pin 22 in a fixed-axis rotation manner, the pin 22 is fixed on the slider 9, a worm wheel 21 is fixed on one side of the slider 9 opposite to the bracket 17, the pin 22 is located at the center of the worm wheel 21, the worm wheel 21 is meshed with the worm 20, and the temple 2 is connected to one side of the bracket 17 opposite to the worm 20 in.

In order to embody the using method and the advantages of the invention, the using method of the glasses with the adjustable glasses legs comprises the following steps:

The method comprises the following steps: the width of the two earpieces 2 is adjusted: as shown in fig. 5 and fig. 6, before the adjustment, the button head 32 is held by the hand, and an upward force is applied, so that the button head 32 moves upward, the upward movement of the button head 32 synchronously drives the slide rod 30 to move upward, and further the slide rod 30 drives the latch 31 to move upward and away from and disengage from the gear 27, the upward movement of the latch 31 compresses the spring 33, so that the spring 33 shortens and obtains a downward restoring force, the restoring force has an effect of tending to move the latch 31 toward the gear 27, after the latch 31 and the gear 27 are away from each other, the latch 31 has no effect on the gear 27, so that the gear 27 is not locked in a limiting manner, after the latch 31 and the gear 27 are away from and do not contact with each other, as shown in fig. 1 and fig. 4, the knob 28 is rotated by the hand, so that the knob 28 drives the rotating shaft 24 to rotate, the rotation of the winding wheel two 25 and the winding wheel three 26 synchronously drives the winding direction of the cord 14 on, and the orientation of the pulling rope 14 is also opposite, so in the process of rotating the rotating shaft 24, the second winding roller 25 and the third winding roller 26 simultaneously tighten and wind the pulling rope 14 wound respectively, in the process of winding the pulling rope 14 by the second winding roller 25 and the third winding roller 26, the pulling rope 14 applies torque to the corresponding first winding roller 13, so that the first winding roller 13 rotates and unwinds the pulling rope 14, the first winding roller 13 rotates and unwinds and drives the lead screw 11 to rotate, the rotation of the lead screw 11 applies torque to the coil spring 16, so that the coil spring 16 deforms and obtains a restoring force, the restoring force has the effect of tending to reversely rotating the lead screw 11, the lead screw 11 drives the sliding block 9 to move towards the direction far away from the spectacle frame 1 along the trend of the sliding chute 8 through the screw thread transmission effect between the lead screw 11 and the sliding block 9, the movement of the sliding block 9 drives the spectacle leg 2 to synchronously move towards the direction far away from the spectacle frame 1 through the angle adjusting mechanism, after the temple 2 moves to a proper width, the rotating shaft 24 is kept still, so that the second winding wheel 25 and the second winding wheel 26 do not wind the pull rope 14, the screw rod 11 is kept still, the temple 2 is in a position with a well-adjusted width, then the buckle head 32 is loosened, the buckle head 32 is free from the action of external force, the fixture block 31 moves downwards to reset under the action of the downward restoring force of the spring 33 and is meshed and connected with the gear 27, so that the fixture block 31 plays a locking role on the gear 27, the gear 27 cannot rotate, the rotating shaft 24 cannot rotate, the second winding wheel 25 and the third winding wheel 26 are ensured not to drive the first winding wheel 13 to apply reverse pulling force to the pull rope 14 due to the restoring force of the coil spring 16, and the temple 2 keeps a stable width so as to be convenient for a wearer to use;

Step two: the widths of the two temples 2 are adjusted to be narrow: as shown in fig. 5 and 6, before the adjustment, the button head 32 is held by a hand, and an upward force is applied, so that the button head 32 moves upwards, the upwards movement of the button head 32 synchronously drives the slide rod 30 to move upwards, and further the slide rod 30 drives the fixture block 31 to move upwards and away from and not engage with the gear 27, the upwards movement of the fixture block 31 compresses the spring 33, so that the spring 33 is shortened and a downward restoring force is obtained, the restoring force has an effect of tending to move the fixture block 31 towards the gear 27, after the fixture block 31 is away from the gear 27, the fixture block 31 has no force on the gear 27, so that the gear 27 is not limited and locked, after the fixture block 31 is away from and does not contact with the gear 27, the contact limits the rotating shaft 24, so that the pull rope 14 is only under the pulling force of the first winding wheel 13, the lead screw 11 rotates reversely under the restoring force of the coil spring 16, and the reverse rotation of the, and the pulling rope 14 is coiled, at the same time, the two first winding wheels 13 apply force to the second winding wheel 25 and the third winding wheel 26 through the pulling rope 14, and the second winding wheel 25 and the third winding wheel 26 rotate reversely and unreel the pulling rope 14, the screw rod 11 rotates reversely and drives the slider 9 to move towards the direction close to the spectacle frame 1 along the trend of the chute 8 through the thread transmission effect between the screw rod 11 and the slider 9, the slider 9 moves to drive the spectacle frame 2 to move towards the direction close to the spectacle frame 1 synchronously through the angle adjusting mechanism 5, after the spectacle frame 2 moves to a proper width, the button head 32 is loosened to enable the button head 32 not to be affected by external force, the clamping block 31 moves downwards to reset under the downward restoring force of the spring 33 and is meshed and connected with the gear 27, so that the clamping block 31 plays a locking effect on the gear 27 to enable the gear 27 not to rotate, thereby enabling the spectacle frame 2 to keep a stable width, to facilitate use by the wearer;

In the width adjusting process of the pair of glasses legs 2 in the first step and the second step, because the second winding wheel 25 and the third winding wheel 26 move synchronously, and the first winding wheel 13, the second winding wheel 25 and the third winding wheel have the same specification, the lead screw 11 synchronously drives the two glasses legs 2 to adjust in opposite directions through the angle adjusting mechanism 5, the width adjustment of the glasses legs 2 is realized, the operation of the adjusting process is simple, so that a wearer can select or adjust glasses conveniently, the width of the glasses legs 2 is adjusted appropriately according to the change of human bodies, the glasses legs 2 clamp the head appropriately, the wearing comfort is improved, in addition, under the condition of sweating, the width of the glasses legs 2 is adjusted to increase the clamping force of the glasses legs 2, the glasses legs 2 are prevented from sliding off, the normal use of the glasses is ensured, in the width adjusting process of the glasses legs 2, the positions of the lenses and the centers of corresponding pupils are unchanged because the width adjustment of the glasses legs 2 is synchronous, therefore, the use of the glasses is not influenced, and the inclination angle between the glasses legs 2 and the glasses frame is kept unchanged when the width of the glasses legs 2 is adjusted, so that the glasses are kept not inclined when being worn;

Step three: adjustment of the tilt angle of the temple 2: as shown in fig. 2 and 3, when the tilt angle of the mirror foot 2 is adjusted, the worm 20 is rotated by a hand or a screwdriver, the rotation of the worm 20 drives the worm 20 to rotate around the center of the worm wheel 21 through the tooth transmission between the worm 20 and the worm wheel 21, and further drives the bracket 17 to rotate around the pin shaft 22 through the worm 20, and the bracket 17 synchronously drives the mirror foot 2 to rotate around the pin shaft 22 while rotating around the pin shaft 22, so that the tilt angle of the mirror foot 2 is adjusted, angle scale marks can be printed on the end surface of the worm wheel 21 along the circumferential direction, so that the tilt angle of the mirror foot 2 can be adjusted according to the scale marks in the process of adjusting the tilt angle, the adjustment is convenient, the angles adjusted on both sides are consistent, and the self-locking characteristic between the worm wheel 21 and the worm 20 can be used for keeping the mirror foot 2 in a stable state after the angle is adjusted, thereby the tilt angle adjustment of the mirror foot, and the structure transmission stability that turbine 21 and worm 21 are constituteed is high, and compact structure need not other fixed establishment, and convenient maintenance can be described angle scale mark on turbine 21, is convenient for make two mirror feet 2's angle of adjustment the same like this, is convenient for adjust according to different wearers ' different head sides to be convenient for different wearers ' use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a glasses with adjustable mirror foot, includes picture frame (1) and mirror foot (2), its characterized in that: the glasses frame comprises a glass frame body (1), and is characterized in that width adjusting mechanisms (4) for adjusting the widths of two glasses legs (2) are arranged at two ends of the glass frame body (1), angle adjusting mechanisms (5) for adjusting included angles of the glasses legs are arranged on the width adjusting mechanisms (4), the glasses legs (2) are rotatably connected to the angle adjusting mechanisms (5) in a fixed shaft mode, and clamping mechanisms for locking the width adjusting mechanisms (4) are arranged at the nose support positions in the middle of the glass frame body (1).

2. The eyeglasses with adjustable temple according to claim 1, wherein: transfer wide mechanism (4) including two regulating box (7), two regulating box (7) symmetry formula is fixed at the both ends of picture frame (1), regulating box (7) are towards one side opening of mirror foot (2), and have seted up spout (8) on regulating box (7) inside lateral wall relative with the opening, the trend of spout (8) is parallel with the line of the central point of picture frame (1), sliding connection has slider (9) in spout (8), threaded connection has lead screw (11) on slider (9), the central axis of lead screw (11) is parallel to each other with the trend of spout (8), the both ends of lead screw (11) are fixed axle respectively and are rotated and connect on the lateral wall that corresponds in regulating box (7).

3. The eyeglasses with adjustable temple according to claim 2, wherein: be fixed with protecting crust (12) on adjusting box (7) outside and picture frame (1) lateral wall that backs on the back mutually, be provided with in protecting crust (12) take-up reel (13), and take-up reel (13) can be at protecting crust (12) internal rotation, the one end that picture frame (1) was kept away from in lead screw (11) runs through the lateral wall of adjusting box (7) and is located protecting crust (12), be connected through wind spring (16) between the lateral wall of lead screw (11) and adjusting box (7), lead screw (11) are located the central fixed connection of the inside one end of protecting crust (12) and take-up reel (13).

4. The eyeglasses with adjustable temple according to claim 3, wherein: the utility model discloses a safety helmet, including adjusting box (7), be fixed with threading pipe (10) on the outside of adjusting box (7) and the relative lateral wall of opening, threading pipe (10) are parallel to each other with the trend of spout (8), the logical groove two (15) of threading have been seted up on the lateral wall of protecting crust (12), and the inside threading pipe (10) that is linked together through logical groove two (15) of threading through in protecting crust (12).

5. The eyeglasses with adjustable temple according to claim 4, wherein: transfer wide mechanism (4) still including seting up cavity (23) in nose support (3) inside, through wires hole (29) have all been seted up on cavity (23) are close to the both sides lateral wall of lens, two threading logical grooves (6) have been seted up on the frame of picture frame (1), the both ends that the threading leads to groove (6) are linked together with corresponding through wires hole (29) and threading pipe (10) respectively.

6. The eyeglasses with adjustable temple according to claim 5, wherein: the fixed shaft in the cavity (23) is rotatably connected with a rotating shaft (24), the rotating shaft (24) is perpendicular to the sliding groove (8), one end, far away from the face of a wearer, of the rotating shaft (24) penetrates through the side wall of the nose support (3) and is exposed to the outside of the nose support (3), a knob (28) is fixed at one end, located outside the nose support (3), of the rotating shaft (24), the clamping mechanism is arranged on the nose support (3), and the clamping mechanism can be in abutting-buckling contact with the rotating shaft (24).

7. The eyeglasses with adjustable temple according to claim 6, wherein: a second winding wheel (25) and a third winding wheel (26) are fixed on the rotating shaft (24), pull ropes (14) are wound on the second winding wheel (25) and the third winding wheel (26), the winding directions of the pull ropes (14) on the second winding wheel (25) and the third winding wheel (26) are opposite, one end of each pull rope (14) on the second winding wheel (25) penetrates through one of the threading holes (29), penetrates through the corresponding first threading through groove (6), the corresponding threading pipe (10) and the corresponding second threading through groove (15) in sequence and is wound on the corresponding first winding wheel (13); the clamping mechanism comprises a sliding rod (30), the sliding rod (30) is connected to the side wall of the nose support (3) in a sliding mode, the sliding rod (30) is perpendicular to the rotating shaft (24), the sliding rod (30) is located above the rotating shaft (24), the sliding rod (30) penetrates through the side wall of the nose support (3), a buckle head (32) is fixed to one end, located outside the nose support (3), of the sliding rod (30), a clamping block (31) is fixed to one end, located inside the cavity (23), of the sliding rod (30), the clamping block (31) is connected with the side wall of the cavity (23) through a spring (33), a gear (27) is fixed to the rotating shaft (24), teeth are formed in the face, opposite to the gear (27), of the clamping block (31), and the clamping block (31) can be connected with the gear (27) in a meshing mode through the teeth.

8. The eyeglasses with adjustable temple according to claim 2, wherein: the angle adjusting mechanism (5) comprises a support (17), the length direction of the support (17) is parallel to the direction of a sliding groove (8), two ends of the length direction of the support (17) are respectively provided with a first lug (18), a worm (20) is rotationally connected to the first lugs (18) in a fixed-shaft mode, a second lug (19) is fixed to the middle of the support (17) in the width direction, the second lug (19) is rotationally connected to a pin shaft (22) in a fixed-shaft mode, the pin shaft (22) is fixed to a sliding block (9), a worm wheel (21) is fixed to one side, opposite to the support (17), of the sliding block (9), the pin shaft (22) is located at the center of the worm wheel (21), the worm wheel (21) is meshed with the worm (20) in a meshed mode, and the mirror foot (2) is rotationally connected to one side, opposite to the worm (20), of the support (17).

9. The method of using eyeglasses with adjustable temple bars according to claim 8, wherein: the method comprises the following steps:

The method comprises the following steps: the contact clamping mechanism limits the width adjusting mechanism (4), and then the width adjusting mechanism adjusts the width of the glasses legs (2);

Step two: the contact clamping mechanism limits the width adjusting mechanism (4), and then the width adjusting mechanism adjusts the width of the glasses legs (2) in a narrow mode;

Step three: the angle of the glasses legs (2) is adjusted through the angle adjusting mechanism (5).

10. The method of using eyeglasses with adjustable temple bars according to claim 9, wherein: in the width adjusting process of the first step, due to the synchronous motion of the second winding wheel and the third winding wheel, and the storage specifications of the first winding wheel, the second winding wheel and the third winding wheel are the same, the lead screw synchronously drives the two glasses legs to adjust in opposite directions through the angle adjusting mechanism, the width of the glasses legs is adjusted, and the clamping force of the glasses legs is increased by adjusting the width of the glasses legs under the sweating condition.