CN219302791U - Glasses with adjustable glasses frame spacing - Google Patents

Abstract

The utility model relates to the technical field of glasses, in particular to glasses with adjustable glasses frame spacing. The technical scheme of the utility model is as follows: the utility model provides an adjustable glasses of picture frame interval, includes two picture frames and mirror leg, and the mirror leg sets up in the both sides of picture frame, is equipped with adjustable coupling mechanism between two picture frames, and coupling mechanism is used for adjusting the distance between two picture frames, and the distance between the mirror leg is along with the distance variation between the picture frame and synchronous variation, and the size and the direction of the variation of two are the same. According to the utility model, the adjustable connecting mechanism is arranged between the two glasses frames, so that the glasses frames and the glasses legs synchronously move, the distance between the two glasses frames and the distance between the two glasses legs are adjusted, a wearer can adjust the distance between the two glasses frames according to the situation, so that the two glasses legs are just clamped on two sides of the face, and for a person with myopia or hyperopia, good visual experience can be obtained by only selecting glasses with proper degrees and adjusting the distance between the glasses frames to enable the glasses frames to be matched with the interpupillary distance of the eyes.

Description

Glasses with adjustable glasses frame spacing

Technical Field

The utility model relates to the technical field of glasses, in particular to glasses with adjustable glasses frame spacing.

Background

In special industries such as medical staff, design research staff, etc., it is often necessary to wear glasses to operate. At present, most of the used glasses are not adjustable, and even if part of the glasses change the nose support into the adjustable glasses, the glasses can only adapt to different nose bridges and cannot adjust the distance between the two glasses legs. But different faces and glasses of the same specification, some people wear just two glasses legs clamped on two sides of the face, and some people are too loose or too tight. For this reason, the same type of glasses but with a plurality of different sizes of glasses are provided, but a certain gradient exists between different sizes, and the situation that the large size is too loose to wear and the small size is too tight can occur. For a person with myopia or hyperopia, the distance between the lenses is matched with the interpupillary distance of the eyes, the interpupillary distances of the eyes of different persons are different, and the correct vision after wearing the glasses can be influenced due to the fact that the interpupillary distance is not matched with the distance between the lenses even if the lenses are proper in degree.

Disclosure of Invention

The utility model aims to provide glasses with adjustable glasses frame spacing so as to solve the problem that the glasses frames are not adjustable.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides an adjustable glasses of picture frame interval, includes two picture frames and mirror leg, and the mirror leg sets up in the both sides of picture frame, is equipped with adjustable coupling mechanism between two picture frames to the direction of picture frame is left and right sides direction, and the picture frame direction of height is the direction about, with about with the direction and the direction that the direction is perpendicular about be the fore-and-aft direction, coupling mechanism is used for adjusting the distance of left and right directions between two picture frames, and the distance between the mirror leg increases or reduces and synchronous increase or reduce along with the distance between the picture frame.

According to the utility model, the adjustable connecting mechanism is arranged between the two glasses frames, so that the glasses frames and the glasses legs synchronously move, the distance between the two glasses frames and the distance between the two glasses legs are adjusted, a wearer can adjust the distance between the two glasses frames according to the situation, so that the two glasses legs are just clamped on two sides of the face, and for a person with myopia or hyperopia, good visual experience can be obtained by only selecting glasses with proper degrees and adjusting the distance between the glasses frames to enable the glasses frames to be matched with the interpupillary distance of the eyes.

In one embodiment, the connecting mechanism comprises a gear and a rack which are meshed with each other, and a fixing piece, wherein the gear or the rack is connected with the fixing piece, the rack is relatively fixed with at least one mirror frame, and the gear rotates to enable the center of the gear to relatively move with the rack in the left-right direction, so that the two mirror frames are close to or far away from each other.

The distance between the two mirror frames is adjusted through the gear rack structure, so that the distance between the two mirror frames can be adjusted at will on the premise of keeping the meshing of the gear racks, and the distance between the mirror frames is free of gradient relative to the existing modes of different sizes, so that the situation that the large size is too loose and the small size is too tight can be avoided, and the device is suitable for most people.

In one embodiment, the gear is connected with the fixing member, and the gear is fixed on the fixing member in a manner of rotating around the center thereof, the rack moves in the left-right direction relative to the fixing member when the gear rotates, the fixing member is fixed relative to one of the lens frames, the rack is fixed relative to the other lens frame, and the rotating gear makes the two lens frames approach or separate from each other.

When the gear rotates, the mirror frame fixed relative to the fixing piece is fixed, and the other mirror frame moves along with the rack to be far away from or close to the fixing piece, so that the two mirror frames are mutually close to or far away from each other, and the structure is simple.

In one embodiment, the rack is fixedly connected with the fixing piece, the gear moves relative to the fixing piece in the left-right direction when the gear rotates, the rack is relatively fixed with one of the lens frames, and the center of the gear is relatively fixed with the other lens frame, so that the two lens frames are mutually close to or far away from each other.

When the gear rotates, the rack and the mirror frame fixed relative to the rack are fixed, and the center of the gear moves left and right with the other mirror frame, so that the two mirror frames are mutually close to or far away from each other, and the structure is simple.

In one embodiment, the connecting mechanism comprises two racks respectively arranged on adjacent sides of the two glasses frames, a gear meshed with the racks, and a fixing piece, wherein the gear is fixed on the fixing piece in a manner of rotating around the central axis, each rack is respectively fixed relative to the adjacent glasses frames, the two racks are oppositely arranged, the gear is respectively meshed with the two racks, and accordingly the two glasses frames are mutually close to or far away from each other due to rotation of the gear.

Two racks are arranged to enable the two glasses frames to move simultaneously, so that the distance between the two glasses frames is changed, and the efficiency of adjusting the distance between the glasses frames is improved.

In one embodiment, the connecting mechanism is further provided with a connecting part arranged between the glasses frame and the racks, the connecting part is relatively fixed with the glasses frame, a long-strip-shaped limiting hole is formed in the connecting part, a limiting piece penetrating through the limiting hole is arranged in the limiting hole, and when the limiting piece moves from one end of the limiting hole to the other end of the limiting hole relative to the limiting hole, the racks and the gears keep in an engaged state.

Along with the change of the distance between the glasses frames, the limiting piece moves in the limiting hole, the length of the limiting hole in the left-right direction is the maximum distance of adjustment of a single glasses frame, and the limiting hole and the limiting piece can limit the limit of movement of the glasses frame, so that the gear rack is prevented from being disengaged due to excessive adjustment.

In one embodiment, the limiting piece comprises a limiting post and a bolt, wherein the limiting post is protruded on the fixing piece, a threaded hole is formed in the limiting post, the bolt is used for connecting the limiting hole with the limiting post, and a nut of the bolt is pressed on a connecting part on the side face of the limiting hole through the elastic piece.

The setting bolt is convenient for be connected spacing hole and locating part to be connected picture frame and mounting, simple structure installs swiftly, and the bolt can be certain degree not hard up after long-term use, makes up the not hard up between picture frame and the mounting that the bolt is not hard up brings through the elastic component, avoids the picture frame not hard up after long-time use.

In one embodiment, the elastic piece is a cylindrical rubber sealing ring with a through hole in the center, the two ends of the outer side face of the sealing ring are provided with steps higher than the middle, the steps at the two ends are respectively arranged on the connecting parts at the two sides of the limiting hole, the nut is pressed on the connecting parts through the steps of the sealing ring, the middle of the outer side face of the sealing ring is contacted with the side face of the limiting hole, and the central through hole is sleeved on the limiting piece.

The sealing ring can maintain the relative positions of the limiting holes and the fixing rods in the front-back direction and the upper-lower direction, so that the shaking of the glasses frame in the two directions is limited.

In one embodiment, the gear central shaft is provided with an adjusting piece, the adjusting piece is fixed relative to the gear, one end of the adjusting piece is provided with an adjusting part, and the adjusting part is used for enabling a wearer to rotate the adjusting piece through the adjusting part, so that the gear is rotated.

Through the regulating part, the wearer can rotate the gear, thereby regulating the distance between the two glasses frames, and the regulating operation is convenient and the structure is simple.

In one embodiment, the connecting mechanism is further provided with a fixed cover matched with the fixed piece, the fixed cover is covered on the fixed piece to form a cavity, and the gear, the rack, the limiting hole and the elastic piece are all arranged in the cavity formed by the fixed cover and the fixed piece.

Because each part of the connecting mechanism has a certain size in the front-back direction, and the sizes are not completely the same, a wearer can feel uncomfortable when wearing the glasses, and the fixing cover is arranged to cover each part, so that the wearer contacts with the flat fixing cover when wearing the glasses, and wearing comfort is improved.

The utility model has the following beneficial effects: through setting up adjustable coupling mechanism between two picture frames, adjust the distance between two picture frames, and then can adjust the interval between mirror leg, lens and the nose holds in the palm, can adapt to different people's face and nose wing for wear the utility model more comfortable, more stable, can also adapt to different interpupillary distances simultaneously, to near-sighted or far-sighted bad crowd, can obtain better visual experience. The distance between the two mirror frames is adjusted in a gear-rack mode, so that the adjusted distance is finer, and the operation is simple.

Drawings

FIG. 1 is a perspective view of one embodiment of the present utility model;

FIG. 2 is a perspective view of one embodiment of the present utility model (without a stationary cover);

FIG. 3 is a front view of one embodiment of the present utility model;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a front view of the utility model with minimal frame spacing (without a fixed cover);

fig. 6 is a front view of the utility model with the largest frame spacing (without the fixed cover);

FIG. 7 is a perspective view of the mount;

FIG. 8 is a front view (without a stationary cover) of another embodiment of the utility model;

wherein: 1 a frame, 11 connecting parts, 111 limiting holes, 2 connecting mechanisms, 21 fixing parts, 211 limiting parts, 22 gears, 221 bosses, 23 racks, 24 bolts, 241 nuts, 25 elastic parts, 26 adjusting parts, 27 fixing covers, 3 lenses, L left and right directions, H up and down directions and W front and back directions.

Detailed Description

For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.

Referring to fig. 1 to 6, as an embodiment of the present utility model, there is provided glasses with an adjustable lens frame interval, which includes two lens frames 1 arranged side by side, a connection mechanism 2 for adjusting the interval between the two lens frames 1, and two lens legs (not shown) respectively arranged at one side of the lens frames 1. The direction of the lens frame is the left-right direction L, the height direction of the lens frame is the up-down direction H, and the direction perpendicular to the left-right direction L and the up-down direction H is the front-back direction W. The connection mechanism 2 includes a fixing member 21, a gear 22, and a rack 23, the gear 22 is rotatably fixed to the fixing member 21 about its center axis, specifically, a center axis of the gear 22 is fixed to the fixing member 21, and the gear 22 is rotatable on the fixing member 21 about a center axis of the gear 22. The rack 23 is engaged with the gear 22, the rack 23 is fixed to the mirror frame 1, and the gear 22 rotates to move the rack 23 and the mirror frame 1 in the left-right direction L, thereby adjusting the distance between the two mirror frames 1.

Referring to fig. 5 and 6, a connecting portion 11 is disposed between the frame 1 and the rack 23, the connecting portion 11, and the frame 1 are integrally formed. The adjacent sides of the two glasses frames 1 are respectively provided with a connecting part 11 extending towards each other, the connecting part 11 is provided with racks 23, the two racks 23 are respectively arranged on the upper side and the lower side of a gear 22 and meshed with the gear 22, and the gear 22 rotates to enable the two racks 23 to move towards opposite directions, so that the two glasses frames 1 are driven to be close to or far away from each other.

Referring to fig. 8, in other embodiments, only one side of one of the rims 1 is provided with a connection portion 11 and a rack 23 fixed to the rim 1, and the connection portion 11 and the rack 23 are disposed on a side close to the other rim. The other frame 1 is fixed to the fixing member 21, and the gear 22 is fixed to the fixing member 21 so as to be rotatable around its center axis. When the gear 22 rotates, the mirror frame 1 fixed to the fixing member 21 is fixed, and the mirror frame 1 fixed to the rack 23 moves along with the movement of the rack 23, so that the two mirror frames 1 are moved closer to or further away from each other.

In other embodiments different from the two embodiments, the rack is fixedly connected with the fixing member, the gear is meshed with the rack, the rack and the fixing member are relatively fixed with one of the mirror frames, the gear is connected with the other mirror frame in a manner of rotating around the center of the gear, and the center of the gear is relatively fixed with the mirror frame. When the gear rotates, the center of the gear moves along the length direction of the rack, so that the two mirror frames are close to or far away from each other.

Referring to fig. 5, 6 and 8, the connecting portion 11 is provided with a rectangular limiting hole 111, the fixing member 21 is provided with a limiting member fixed relative to the connecting portion, the limiting member penetrates through the limiting hole 111, and the length of the limiting hole 111 is greater than that of the limiting member in the left-right direction L, so that the limiting hole 111 and the limiting member 211 can move relatively in the moving process of the mirror frame 1. In the left-right direction L, the value obtained by subtracting the length of the limiting member from the length of the limiting hole 111 is the maximum distance moved by the single lens frame 1, when one lens frame 1 is connected with the rack 23 and the other lens frame is connected with the gear 22, the maximum distance moved by the single lens frame 1 is the maximum distance adjustable by the two lens frames 1, when both lens frames are connected with the rack 23, the maximum distance adjustable by the two lens frames 1 is twice the maximum distance moved by the single lens frame 1, thereby the distance between the lens frames 1 can be set so that the glasses of the utility model can be suitable for most people.

Because the spacing between the lens frames 1 has upper and lower limits, the length of the rack 23 is limited in the left-right direction L, and the length of the rack 23, the distance between the central axis of the gear 22 and the central axis of the limiting member, and the length of the limiting hole 111 should be matched, so that the gear 22 and the rack 23 always maintain the meshed state when the limiting member moves in the left-right direction relative to the limiting hole 111. The calculation of the specific numerical values of the length of the rack 23, the distance between the central axis of the gear 22 and the central axis of the limiting member, and the limiting hole 111 belongs to the conventional technology, and can be obtained by a person skilled in the art through calculation, and will not be described here again.

Referring to fig. 4 to 7, the limiting member includes a protruding limiting post 211 and a bolt 24 on the fixing member 21, where the limiting post 211 may be a cube with a rectangular cross section, or may be a cylinder, the limiting hole 111 may be a rectangular hole, two ends of the limiting hole may be an arc matched with the limiting post 211, or may be a rectangle, the limiting post 211 in this example is a cylinder, and the limiting hole 111 is a racetrack type rectangular hole with two ends of the arc. The limiting post 211 is internally provided with a threaded hole, the bolt 24 is connected with the limiting post 211, and a nut 241 at the end of the bolt 24 presses the connecting part 11 outside the limiting hole 111 on the fixing piece 21, so that the limiting hole 111 and the limiting post 211 are relatively fixed in the axial direction of the bolt 24. After long-term use, the bolt 24 will loosen to a certain extent, the gap between the limiting hole 111 and the limiting post 211 is enlarged, and the glasses frame 1 is loosened, therefore, an elastic piece 25 is arranged in the limiting hole 111, the elastic piece 25 is a round rubber sealing ring with high ends and low middle, the center is a through hole, the outer side is a cylindrical surface, the two ends of the cylindrical surface are provided with steps higher than the middle, the steps at the two ends are respectively arranged at the two sides of the limiting hole 111, the lower middle part is matched with the upper side surface and the lower side surface of the limiting hole 111, the central through hole of the rubber sealing ring is sleeved on the limiting post 211, the nut 241 is pressed on the connecting part 11 through the pressing elastic piece 25, and when the bolt 24 loosens, the steps at the two ends of the rubber ring are sprung to maintain the relative positions of the fixing piece 21 and the connecting part 11 in the front-back direction W, so that the shaking of the glasses frame 1 in the depth direction is avoided. The cylindrical surface in the middle of the rubber ring can keep the relative position between the limiting hole 111 and the limiting column 211 in the up-down direction H, so that the lens frame 1 is prevented from shaking up and down.

In other embodiments, the limiting member comprises a bolt penetrating through the fixing member and a nut connected with the bolt, the fixing member is provided with a through hole, the bolt penetrates through the through hole of the fixing member from one side of the fixing member and then is connected with the nut on the other side, and the nut of the bolt presses the connecting portion on the fixing member, so that the connecting portion is connected and fixed with the fixing member.

Referring to fig. 2 and 7, the fixing member 21 has a limiting portion 212 protruding forward on the upper and lower sides, and the inner side surface of the limiting portion 212 contacts the upper and lower outer side surfaces of the connecting portion 11, so as to limit the movement of the connecting portion 11 in the up and down direction, and further prevent the lens frame from shaking up and down.

Referring to fig. 1 to 3, an adjusting member 26 fixed to the gear 22 is provided at a central axis of the gear 22, and an adjusting portion is provided at one end thereof, the adjusting portion is a cylinder (the anti-slip protrusion is not shown) having an anti-slip protrusion at an outer side, and a wearer can rotate the adjusting portion by hand to rotate the adjusting member 26 and the gear 22. A rectangular boss 221 is arranged on the end face of the gear 22, and a rectangular groove matched with the rectangular boss is arranged at one end of the adjusting piece 26, so that the adjusting piece 26 and the gear 22 can synchronously rotate, and the adjusting piece 26 is fixed on the gear 22, so that the adjusting piece 26 can be operated at any time to adjust the distance between the frames 1. In other embodiments, the adjusting portion may be a groove formed at an end of the adjusting member, and the groove may be cross-shaped, straight-shaped, or shaped, and the wearer may insert a tool such as a screwdriver or a coin into the groove to rotate the adjusting member 26 and the gear 22. The adjusting member 26 may also be detachably fixed to the gear 22, and when the frame is adjusted in place, the adjusting member 26 is removed to reduce the overall thickness of the connection mechanism 2, and the adjusting member 26 may be designed to be relatively large for easy adjustment.

Referring to fig. 1 and 4, the connecting mechanism 2 further comprises a fixing cover 27 matched with the fixing piece 21, the fixing cover 27 covers the fixing piece 21 to form a cavity, and the gear 22, the rack 23, the limiting hole 111 and the elastic piece 25 are all arranged in the cavity formed by the fixing cover 27 and the fixing piece 21. Since the parts of the connecting mechanism 2 have certain sizes in the front-rear direction W and the sizes are not completely the same, the wearer can feel uncomfortable when wearing the glasses, and the fixing cover 27 is provided to cover the parts, so that the wearer contacts with the flat fixing cover when wearing the glasses, and wearing comfort is improved. Only the adjusting portion of the adjusting member 26 is disposed outside the cavity formed by the fixing cover 27 and the fixing member 21, so that the distance between the frames 1 can be adjusted. The fixing cover 27 is provided with a fixing hole through which the bolt 24 passes to be connected with the fixing column 211, and one end of the fixing hole is provided with a step for accommodating a nut 241 of the bolt 24, thereby preventing the bolt 24 from protruding out of the surface of the fixing cover 27. The nut 241 of the bolt 24 is pressed against the step of the fixing hole, so that the nut 241 is indirectly pressed against the connection portion 11 through the fixing hole, fixing the fixing cover 27, the connection portion 11, and the fixing piece 21 in the front-rear direction. The nut 241 is provided on the fixing cover 27, and when the distance between the lens frames 1 is to be adjusted, the bolt 24 can be rotated without opening the fixing cover 27, so that the connecting portion 11 is slightly loosened from the fixing member 21 and the fixing cover 27, thereby making it easier to adjust the distance between the lens frames 1.

Because two picture frames 1 are connected with a mirror leg respectively, and the mirror leg is the one side that sets up at picture frame 1, when consequently the interval of two picture frames 1 changes, the distance between two mirror legs changes correspondingly, can adapt to different faces of different wearers. A nose pad (not shown) is further provided on one side of each of the frames 1, so that when the distance between the two frames 1 is changed, the distance between the two nose pads is correspondingly changed, and the nose pad can adapt to different nose bridges of different wearers. For people with vision defects such as myopia or hyperopia, which need to wear glasses for correction, the daily glasses cannot meet the requirements of special industries, so that special glasses need to be worn. According to the utility model, as the distance between the lens frames 1 is adjustable, the distance between the lenses 3 fixed on the lens frames 1 can be correspondingly adjusted, and the utility model can adapt to different interpupillary distances of different wearers, so that the wearer can obtain good visual experience only by selecting lenses with proper correction degrees. The positions and fixing modes of the nose support, the glasses leg and the glasses lens and the glasses frame 1 are all conventional in the art, and are not included in the utility model, and are not repeated here.

The operation process of the utility model is as follows: referring to fig. 5, the distance between the two rims 1 is at a minimum value, and the limiting member is located at one end of the limiting hole 111 near the rims 1, and one end of the rack 23 near the rims 1 is meshed with the gear 22; referring to fig. 6 or 8, the adjusting member 26 is rotated to rotate the gear 22, and the rack 23 moves until the limiting member 211 is located at an end of the limiting hole 111 away from the frame 1. During this adjustment, the adjustment member 26 can be stopped at any time to match the glasses to the wearer. The reverse rotation of the adjusting member 26 reduces the distance between the two frames 1. If the resistance during adjustment is large, the bolt 24 can be loosened slightly, so that the distance between the connecting part 11 and the fixing piece 21 and the fixing cover 27 can be adjusted more easily, but the bolt 24 should be screwed in time after the adjustment is completed, so that the fixing cover 27, the connecting part 11 and the fixing piece 21 are fixed in the front-rear direction, and the loose of the lens frame is avoided.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides an adjustable glasses of picture frame interval, includes two picture frames and mirror leg, and the mirror leg sets up in the both sides of picture frame, its characterized in that, be equipped with adjustable coupling mechanism between two picture frames to the width direction of picture frame is left and right directions, uses the picture frame direction of height as the direction of going up and down, uses the direction that is perpendicular with left and right directions and upper and lower direction as the fore-and-aft direction, coupling mechanism is used for adjusting the distance of left and right directions between two picture frames, and the distance between the mirror leg increases or reduces and synchronous increase or reduces along with the distance between the picture frame.

2. An adjustable frame spacing eyeglass according to claim 1, wherein the connecting means comprises a gear and a rack which are engaged with each other, and a fixing member, the gear or the rack being connected to the fixing member, the rack being fixed with respect to at least one of the frames, rotation of the gear moving the center of the gear with respect to the rack in a left-right direction so that the two frames approach or separate from each other.

3. The pair of spectacles with adjustable lens frame spacing according to claim 2, wherein the gear is connected to the fixing member, and the gear is rotatably fixed to the fixing member about its center axis, the rack moves in a left-right direction relative to the fixing member when the gear rotates, the fixing member is fixed relative to one of the lens frames, the rack is fixed relative to the other lens frame, and the rotating gear moves the two lens frames toward or away from each other.

4. The pair of spectacles with adjustable spacing between the rims according to claim 2, wherein the rack is fixedly connected to the fixing member, the gear moves in a left-right direction with respect to the fixing member when the gear rotates, the rack is relatively fixed to one of the rims, and the center of the gear is relatively fixed to the other rim, so that the two rims are moved closer to or farther from each other.

5. The pair of spectacles of claim 1, wherein the connection mechanism comprises two racks respectively disposed on adjacent sides of the two spectacles frames, a gear engaged with the racks, and a fixing member, the gear being rotatably fixed to the fixing member about its center axis, each of the racks being respectively fixed to the adjacent spectacles frames, the two racks being disposed opposite to each other, the gear being respectively engaged with the two racks, such that the rotation of the gear brings the two spectacles frames closer to or farther from each other.

6. The pair of spectacles with adjustable spacing between the frames according to any one of claims 3 to 5, wherein the connecting mechanism further comprises a connecting part arranged between the frame and the rack, the connecting part is relatively fixed to the frame, the connecting part is provided with a strip-shaped limiting hole, a limiting piece penetrating the limiting hole is arranged in the limiting hole, and the rack and pinion is kept in an engaged state when the limiting piece moves from one end of the limiting hole to the other end of the limiting hole relative to the limiting hole.

7. The pair of glasses with adjustable spacing between glasses frames according to claim 6, wherein the limiting member comprises a limiting post and a bolt, the limiting post is protruded on the fixing member, a threaded hole is formed in the limiting post, the bolt is used for connecting the limiting hole with the limiting post, and a nut of the bolt is pressed on a connecting portion on the side face of the limiting hole through the elastic member.

8. The pair of glasses with adjustable spacing between glasses frames according to claim 7, wherein the elastic member is a cylindrical rubber sealing ring with a through hole in the center, two ends of the outer side surface of the sealing ring are provided with steps higher than the middle, the steps at the two ends are respectively arranged on the connecting parts at two sides of the limiting hole, the screw cap is pressed on the connecting parts through the steps of the sealing ring, the middle of the outer side surface of the sealing ring is contacted with the side surface of the limiting hole, and the central through hole is sleeved on the limiting member.

9. The pair of spectacles of claim 7, wherein the connecting mechanism further comprises a fixing cover matched with the fixing member, the fixing cover is covered on the fixing member to form a cavity, and the gear, the rack, the limiting hole and the elastic member are all arranged in the cavity formed by the fixing cover and the fixing member.

10. An adjustable frame spacing eyeglass according to any one of claims 3 to 5 wherein the gear central axis is provided with an adjustment member which is fixed relative to the gear, one end of the adjustment member having an adjustment portion for a user to rotate the adjustment member via the adjustment portion and thereby rotate the gear.

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