CN212965673U - Novel eye position compensation prism for preventing and controlling myopia - Google Patents

Abstract

The utility model discloses a novel eye position compensation prism of prevention and control myopia belongs to protective eyewear technical field, including the mirror holder, the picture frame, connecting block and two battery of lens and two prisms, two battery of lens symmetries are fixed on the mirror holder, two prisms are located the top of two battery of lens and symmetry fixed connection on the picture frame, two fixed blocks of the upper end symmetry fixedly connected with of mirror holder, two fixed blocks all cup joint the bolt through the through-hole, the both sides that the connecting block is relative are run through and have seted up the round hole, the cylinder has been cup jointed in the round hole, the threaded hole has all been seted up at cylindrical both ends, bolt on two fixed blocks all pass the through-hole and respectively with two. The utility model discloses, can adjust the interval between the optical lens piece, clean the optical lens piece with the glasses cloth when the user of being convenient for uses daily, avoid the dust to influence the user and use glasses, the user of also being convenient for simultaneously disassembles degree of depth cleanness and nursing optical lens piece.

Description

Novel eye position compensation prism for preventing and controlling myopia

Technical Field

The utility model relates to a protective eyewear technical field especially relates to a novel eye position compensating prism of prevention and control myopia.

Background

The theory of accommodation and near compensation holds that myopia occurs mainly due to the excessive accommodation and convergence of the eyeball during long-term near-distance use, according to the principle, a low-degree lens group and a base inward triangular prism combination are adopted to develop a prism type light quantum lens, can well improve the visual environment when the eyes are used at a short distance, the light rays which are scattered and enter the eyes when the eyes are seen are changed into parallel light rays through the optical zooming of the reading and writing glasses, the eye-entering angle of the light rays is changed from the oblique eye-entering at the nose side to the vertical eye-entering at the front side, thereby reducing or eliminating accommodation and aggregation generated when eyes are used at a short distance, avoiding the occurrence of accommodation spasm and asthenopia, cutting off the root cause of myopia, at present, a lens group is arranged on a lens frame, then the lens frame of the prism is arranged on the lens bracket, and the reading and writing lens for preventing and controlling myopia, which consists of the prism and the lens group, can be arranged after the distance is adjusted.

Among the prior art, the picture frame of prism and the mirror holder of installation lens group are through fixing bolt fixed connection, and this connection is more firm, but the gap between prism and the lens group is less to difficult split behind the prism installation leads to the difficult clearance of cleaning of adhesion dust on the optical lens, can influence the user when the dust is more and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art gap between prism and the battery of lens less to the difficult split behind the prism installation leads to the difficult clearance of cleaning of adhesion dust on the optical lens piece, can influence the problem that the user used when the dust is more, and the novel eye position compensating prism of prevention and control myopia that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel eye position compensation prism of prevention and control myopia, includes mirror holder, picture frame, connecting block and two battery of lens and two prisms, two the battery of lens symmetry is fixed on the mirror holder, two the prism is located the top and the symmetry fixed connection of two battery of lens on the picture frame, two fixed blocks of the upper end symmetry fixed connection of mirror holder, two the fixed block all has cup jointed the bolt through the through-hole, the both sides that the connecting block is relative run through and has seted up the round hole, the cylinder has been cup jointed in the round hole, the threaded hole is all seted up at the cylindrical both ends, two bolt on the fixed block all pass the through-hole and respectively with two screw hole threaded connection on the cylinder, the front side of connecting block is connected with coupling mechanism through two blind holes, the connecting block passes. The utility model discloses, can adjust the interval between the optical lens piece, clean the optical lens piece with the glasses cloth when the user of being convenient for uses daily, avoid the dust to influence the user and use glasses, the user of also being convenient for simultaneously disassembles degree of depth cleanness and nursing optical lens piece.

Preferably, the connecting mechanism comprises positioning rods which are sleeved in the two blind holes in a sliding manner, one ends of the positioning rods are fixedly connected with the lower end of the mirror frame, rectangular through holes are formed in two opposite sides of the connecting block and are respectively communicated with one sides of the two blind holes, an elastic sheet is fixedly connected to one side of each rectangular through hole, a convex block of an arc-shaped structure is fixedly connected to one side of each elastic sheet, and positioning grooves matched with the convex blocks are formed in the rod walls of the positioning rods.

Preferably, the front end of connecting block is gone up the side angle department and is seted up jaggedly, the bolt has been cup jointed in the breach slip, the rear side center department fixedly connected with connecting rod of picture frame, the pole wall of connecting rod and the one end fixed connection of bolt, the both sides that the breach is relative all through rectangular channel fixedly connected with block rubber, two the one end that the block rubber is relative all with the lateral wall sliding connection of bolt.

Preferably, the side wall of the cylinder is fixedly connected with a rubber sleeve, and the pipe wall of the rubber sleeve is in sliding connection with the side wall of the round hole.

Compared with the prior art, the utility model provides a novel eye position compensating prism of prevention and control myopia possesses following beneficial effect:

1. this prevent and control novel eye position compensation prism of myopia, when clearing up battery of lens and prism through needs, with the hand pulling picture frame drive connecting rod messenger connecting block atress, around cylinder at round hole internal rotation swing during the connecting block atress, and then can make the interval increase between prism and the battery of lens on the mirror holder, and then the user of being convenient for uses glasses cloth to clean optical lens, avoids the dust to influence the user and uses glasses, clean accomplish after with the hand promotion picture frame reset can.

2. This prevent and control novel eye position compensation prism of myopia, locating lever through being equipped with, it slides in the blind hole to drive the locating lever with the hand pulling picture frame, the extrusion lug makes the flexure strip atress emergence change when the locating lever slides, and then can make locating lever and connecting block separation, it makes the bolt removal to drive the connecting rod when picture frame atress removes simultaneously, extrude intraoral block rubber when bolt removes, block rubber atress warp back bolt and breach separation, and then can make prism and picture frame quick and mirror holder split, the user of being convenient for carries out the degree of depth cleanness and nursing to optical lens.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can adjust the interval between the optical lens piece, clean optical lens piece with glasses cloth when the user of being convenient for daily uses, avoid the dust to influence the user and use glasses, the user of also being convenient for simultaneously disassembles degree of depth cleanness and nursing optical lens piece.

Drawings

Fig. 1 is a schematic structural view of a novel eye position compensating prism for preventing and controlling myopia according to the present invention;

fig. 2 is a top view of a frame, a prism and a lens set in the novel eye position compensation prism for preventing and controlling myopia according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a right side view of the novel eye position compensating prism for preventing and controlling myopia provided by the utility model.

In the figure: the lens comprises a lens frame 1, a positioning rod 2, a lens frame 3, a prism 4, a lens group 5, a fixing block 6, a bolt 7, a connecting block 8, a cylinder 9, a rubber sleeve 10, a connecting rod 11, a rubber block 12, a bolt 13, an elastic sheet 14 and a lug 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 construed as limiting the present invention.

Referring to fig. 1-4, a novel myopia prevention and control eye position compensating prism comprises a frame 1, a frame 3, a connecting block 8, two lens sets 5 and two prisms 4, wherein the two lens sets 5 are symmetrically fixed on the frame 1, the two prisms 4 are positioned above the two lens sets 5 and are symmetrically and fixedly connected to the frame 3, the upper end of the frame 1 is symmetrically and fixedly connected with two fixing blocks 6, the two fixing blocks 6 are both sleeved with bolts 7 through holes, round holes are formed through opposite sides of the connecting block 8, a cylinder 9 is slidably sleeved in the round holes, the side wall of the cylinder 9 is fixedly connected with a rubber sleeve 10, the wall of the rubber sleeve 10 is slidably connected with the side wall of the round hole, the rubber sleeve 10 can increase the friction between the cylinder 9 and the round holes, so that the prism 4 is not easy to displace under the action of external force, threaded holes are formed at both ends of the cylinder 9, the bolts 7 on the two fixing blocks 6, the front side of the connecting block 8 is connected with a connecting mechanism through two blind holes, and the connecting block 8 is connected with the center of the lower end of the mirror frame 3 through the connecting mechanism.

Coupling mechanism cup joints locating lever 2 in two blind holes including sliding, the one end of two locating levers 2 all with the lower extreme fixed connection of picture frame 3, the rectangle through-hole has all been seted up to the both sides that connecting block 8 is relative, two rectangle through-holes communicate with one side of two blind holes respectively, one side fixedly connected with flexure strip 14 of rectangle through-hole, one side fixedly connected with arc structure's of flexure strip 14 lug 15, seted up on locating lever 2's the pole wall with lug 15 matched with constant head tank, side angle department sets up jaggedly on connecting block 8's the front end, bolt 13 has been cup jointed in the breach slip, fixedly connected with connecting rod 11 is located at the rear side center of picture frame 3, the pole wall of connecting rod 11 and the one end fixed connection of bolt 13, the both sides that the breach is relative all through rectangular channel fixedly connected with block rubber 12, the one end that two block rubber 12 are.

In the utility model, when the lens group 5 and the prism 4 need to be cleaned, the lens frame 3 is pulled by hand to drive the connecting rod 11 to stress the connecting block 8, the connecting block 8 rotates and swings around the cylinder 9 in the round hole when stressed, thereby increasing the distance between the prism 4 on the lens frame 3 and the lens group 5, further facilitating the user to use the glasses cloth to clean the optical lens, avoiding the dust to influence the user to use the glasses, the lens frame 3 is pushed by hand to reset after the cleaning is completed, when the optical lens needs to be cleaned deeply, the lens frame 3 is pulled by hand to drive the positioning rod 2 to slide in the blind hole, the elastic piece 14 is stressed and changed by extruding the lug 15 when the positioning rod 2 slides, thereby separating the positioning rod 2 from the connecting block 8, meanwhile, the connecting rod 11 is driven to move the bolt 13 when the bolt 13 moves, the rubber block 12 in the notch is extruded when the bolt 13 moves, the bolt, and then can make prism 4 and picture frame 3 quick with mirror holder 1 split, the user of being convenient for carries out degree of depth cleanness and nursing to optical lens.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. A novel eye position compensation prism for preventing and controlling myopia comprises a mirror bracket (1), a mirror frame (3), a connecting block (8), two lens groups (5) and two prisms (4), and is characterized in that the two lens groups (5) are symmetrically fixed on the mirror bracket (1), the two prisms (4) are positioned above the two lens groups (5) and are symmetrically and fixedly connected onto the mirror frame (3), the upper end of the mirror bracket (1) is symmetrically and fixedly connected with two fixing blocks (6), the two fixing blocks (6) are both sleeved with bolts (7) through holes, round holes are formed in two opposite sides of the connecting block (8) in a penetrating manner, a cylinder (9) is sleeved in the round holes in a sliding manner, threaded holes are formed in two ends of the cylinder (9), the two bolts (7) on the fixing blocks (6) all penetrate through the through holes and are respectively in threaded connection with two threaded holes in the cylinder (9), the front side of the connecting block (8) is connected with a connecting mechanism through two blind holes, and the connecting block (8) is connected with the center of the lower end of the mirror frame (3) through the connecting mechanism.

2. The novel eye position compensating prism for preventing and controlling myopia according to claim 1, wherein the connecting mechanism comprises two positioning rods (2) slidably sleeved in two blind holes, one ends of the two positioning rods (2) are fixedly connected with the lower end of the mirror frame (3), rectangular through holes are formed in two opposite sides of the connecting block (8), the two rectangular through holes are respectively communicated with one sides of the two blind holes, an elastic sheet (14) is fixedly connected to one side of each rectangular through hole, a convex block (15) of an arc-shaped structure is fixedly connected to one side of each elastic sheet (14), and positioning grooves matched with the convex blocks (15) are formed in the rod walls of the positioning rods (2).

3. The novel eye position compensating prism for preventing and controlling myopia according to claim 1, wherein a notch is formed in an upper side corner of the front end of the connecting block (8), a bolt (13) is slidably sleeved in the notch, a connecting rod (11) is fixedly connected to the center of the rear side of the mirror frame (3), a rod wall of the connecting rod (11) is fixedly connected with one end of the bolt (13), two opposite sides of the notch are fixedly connected with rubber blocks (12) through rectangular grooves, and two opposite ends of the rubber blocks (12) are slidably connected with side walls of the bolt (13).

4. The novel eye position compensating prism for preventing and controlling myopia according to claim 1, wherein a rubber sleeve (10) is fixedly connected to the side wall of the cylinder (9), and the wall of the rubber sleeve (10) is slidably connected with the side wall of the circular hole.

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