CN1166975C

CN1166975C - Automatically focusing glasses

Info

Publication number: CN1166975C
Application number: CNB011236272A
Authority: CN
Inventors: 林纯益
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-16
Filing date: 2001-08-16
Publication date: 2004-09-15
Anticipated expiration: 2021-08-16
Also published as: CN1356578A

Abstract

The present invention provides a pair of automatically focusing glasses. The present invention is mainly characterized in that a foot seat of a main frame of the glasses is provided with a chute; a slide way end integrated with a glass frame extends in the chute; a stop bulge at the front end of the slide way end can be positioned in an upper stop or a lower stop at both ends of the chute, so that the slide way end moves between free strokes of the upper stop and the lower stop; an adjusting knob can be penetrated through a through hole of the glass frame, and a convex block of the front end of the adjusting knob can be clamped in a cross hole in the middle of the slide way end. Thus, the slide way end moves in the chute of the main frame by the adjustment of the knob; simultaneously, eyeglasses on the glass frame are driven to move in front of the main frame so as to compensate the central deviation of the eyeglasses when a person reads and views nearby by lowering the head, and thus, the centers of the corrected eyeglasses are still on visual lines.

Description

The glasses that automatic distance is adjusted

Technical field

The present invention relates to the glasses that a kind of automatic distance is adjusted.

Background technology

As shown in Figure 1, wearing the glasses of correcting optical mirror slip and seeing when far away, sight line a is via eyeglass 100 centers, with 100 one-tenth 90 degree of eyeglass (as Fig. 3); Read when bowing as shown in Figure 2 or when seeing near thing (about 30cm bows), two intraoculars gather (Convergence), sight line a ' departs from eyeglass 100 centers, with the error (as Fig. 4) of eyeglass 100 formation θ angles, sight line a ' and eyeglass 100 off-centring distance L; Because this angular error and off-centring error, therefore cause the fatigue of seeing eyes when near with uncomfortable, and commercially available glasses at present, can't be near and do the compensation of eyeglass angle according to seeing of wearer.

In United States Patent (USP), have several about case before the United States Patent (USP) of adjustment type glasses, as USA PatNo.5485227, be the explanation one adjustable lay the grain pass the glasses of rate, as USA Pat No.5133595, be a kind of glasses foot rest adjustable in length persons wherein; As USA Pat No.Des308978, illustrate that one can adjust spectacle frame width and foot rest length; As USA Pat No.5987640, the combination of glasses and sunbonnet is described, wherein glasses can be equivalent in sunbonnet or be folded down use.

Summary of the invention

The purpose of this invention is to provide the glasses that a kind of automatic distance of promoting the comfort level of wearing glasses is adjusted, and the center of lens after the rectification still is positioned on the sight line.

Wherein between main frame and cell mount, also can set up the involution shell fragment,, cell mount be automatically returned to original position so that the wearer is come back when facing upward to sight far away by nearly sight.

For achieving the above object, the present invention adopts following technical scheme: the glasses that this automatic distance is adjusted, on the runners of the both sides of glasses main frame, be respectively equipped with a chute, can stretch into for a slideway tip in the chute, this slideway tip system can link with cell mount, and the slideway tip drives cell mount displacement before main frame at the chute intrinsic displacement of main frame, so that bow when reading or closely seeing, the centre deviation of compensation eyeglass still is positioned on the sight line center of lens after the rectification.

The poly-correction and the power resources of eyeglass reach in the center of lens wherein is owing to bow when closely seeing, due to the component of gravity.

Wherein eyeglass reach activity makes it form manual adjustment front and back displacement because of strengthening friction force by its friction force of knob controlling.

Wherein the reach activity of eyeglass can be by its friction force of knob controlling, make it because of the power of reducing friction after, be power according to partical gravity, according to low or come back with displacement before and after the automatic adjustment.

The invention has the advantages that: can lower the phenomenon of center of lens skew and angular error, and then the user is provided comfortable glasses, improve and seen and closely adjust or see quality far away, practicality, result of use is good.

Description of drawings

The invention will be further described below in conjunction with accompanying drawing

Fig. 1 wears glasses to see outside drawing (when looking squarely) when far away

Fig. 2 wears glasses to see outside drawing (bowing when reading) when near

Fig. 3 is a synoptic diagram of seeing eyeglass and sight line when far away

Fig. 4 is a synoptic diagram of seeing eyeglass and sight line when near

Fig. 5 is an outside drawing of the present invention

Fig. 6 is a part exploded view of the present invention

Fig. 7 is the outside drawing of the present invention after correcting

Fig. 8 is the action synoptic diagram of section of the present invention

Fig. 9 sets up the diagrammatic cross-section of involution shell fragment for the present invention

Figure 10 for the present invention sees when far away eyeglass be subjected to the synoptic diagram of gravity

Figure 11 for the present invention sees when far away eyeglass be subjected to another synoptic diagram of gravity

Figure 12 for the present invention sees when near eyeglass be subjected to the synoptic diagram of gravity

Figure 13 for the present invention sees when near eyeglass be subjected to another synoptic diagram of gravity.

Figure 14 is the outside drawing of the embodiment of the invention

Figure 15 is the action outside drawing of the embodiment of the invention

Figure 16 is the part exploded view of the embodiment of the invention

Figure 17 is the part cut-open view of the embodiment of the invention

Figure 18 is another embodiment of the present invention figure

Specific embodiments

At first statement is, the present invention is identical because of the structure of glasses two eyeglasses, so only narrate with the structure of monolateral glasses.

Please cooperate and consult Fig. 5～shown in Figure 8, be to be respectively equipped with a chute 111 on the both sides runners 11 of main frame 1 of the present invention, the two ends of this chute 111 have respectively on one ends 112 and end 113 down, with as the free travel effector, then can dash forward 21 in the chute 111 and stretch into for ending of the slideway tip 2 front ends, this slideway tip 2 is the dowel of a monolateral opening, slightly be bending, its ㄈ shape slotted eye 22 inner edges have a cross bore 23 and can stretch into for the projection 31 of knob 3 front ends, this knob 3 is the through hole 41 that can run through cell mount 4 earlier, then protrudes in the cross bore 23 of the slideway tip 2; Consult shown in Figure 8, when the projection 31 of knob 3 is when being flat on ㄈ shape slotted eye 22 horizontal levels, two of the slideway tip 2 ends prominent 21 and does not outwards open, thereby can end on main frame 1 chute 111 112 with only displacement (as the imaginary line position of Fig. 8) between 113 free travels down, so that adjust cell mount 4 displacement laterally (as shown in Figure 7), end prominent 21 when sliding onto the position that main frame ends in 113 for 1 time when cell mount 4, need only rotary knob 3, with its projection 31 vertically clip in cross bore 23, make ending of cell mount 4 prominent 21 fix ending down in 113 and can't move.

In addition, left side cording in the slideway tip 2 ㄈ shape slotted eyes 22 has a tip hole 24, and a fixing pin 5 can run through another perforation 42 and be fixed in the tip hole 24 of cell mount 4, make the slideway tip 2 and cell mount 4 be combined into one (or fix with the mode that screw screws togather), so that because of the displacement of the slideway tip 2 drives the displacement of cell mount 4 before main frame 1, therefore can make the cell mount 4 that is attached with lens be adjusted to position shown in Figure 7 by Fig. 5 by the variation of knob 3, so that read when writing, reduce compensation (mainly based on the offset angle deviation) to the center of lens skew.

Moreover, in order to cooperate the displacement of cell mount 4 before main frame 1, therefore has a skeleton frame 6 respectively in central sill 12 both sides of main frame 1, this skeleton frame 65 is one to have the chute 61 of monolateral perforate, can stretch into for the slide bar 43 of cell mount 4 sides, slide bar 43 tops are sliding foot 431 in, should can prevent that slide bar 43 broke away from skeleton frames 6 by interior sliding foot 431, as shown in Figure 8, when cell mount 4 as yet not forward during displacement, in sliding foot 431 be the 61 mouthfuls of ends of chute that collude at skeleton frame 6, when cell mount 4 forward during displacement, slide bar 43 can stretch in the chute 61 of skeleton frame 6.

See also shown in Figure 9ly, the present invention sets up an involution shell fragment 8 at main frame 1 and 4 of cell mounts, and this involution shell fragment 8 one ends system is fixed on the apical margin of main frame 1, and the other end of involution shell fragment 8 then stretches in the elongated slot of establishing in addition on cell mount 4 tops 44 and slides; After writing when leaning over a book, desire to return to coming back when looking squarely (long sight), involution shell fragment 8 can automatically just return back to cell mount 4 position original and main frame 1 applying.

Please cooperate and consult Figure 10 and shown in Figure 11, the present invention wears glasses and sees when far away, eyeglass 100 only has gravity W vertically downward, and the component of agravic W, therefore sliding foot 431 outer fix S in: see when wearing glasses when near at framework 6, consult Figure 12 and shown in Figure 13, the strength that eyeglass 100 is born, except gravity W is vertically downward arranged, other has increased the component F of gravity W, thereby force eyeglass 100 to rotate along downward cambered surface, because the guiding of the chute 111 inner slide tips 2 of main frame groove 1, the sliding foot 431 outer fix S by skeleton frame 6 shift to inner side S ' (S → S ') in making.

Again, see also the embodiment shown in Figure 14～17, the present invention also can establish a groove 12 on the both sides of main frame 1 runners 11, also have respectively in the medial and lateral of groove 12 and to end 121 and end 122 (as Figure 17) once on one, and on no frame eyeglass 100 (or framed mirror sheet), system is fixed with a slideway tip 7, and this slideway tip 7 is to link with eyeglass 100 to become one; And the slideway tip 7 is similarly the dowel of a monolateral opening, ending of its front end prominent 71 is can stretch into fixing to end in 121,122 the upper and lower of main frame 1 groove 12, as shown in Figure 9, end prominent 71 and fix last when ending on 121, this glasses system see look squarely when far away used, when the wearer bows reading, only can adjust and prominent 71 fix in only 122 the position of dashing forward down, form as shown in figure 15, can compensate the centre deviation of eyeglass, the center of lens after the rectification still is positioned on the sight line.

See also shown in Figure 180, another embodiment of the present invention figure, the wherein rectification of 1 of eyeglass 100 and main frame also can be solid on eyeglass 100 with 13 hooks of the barb on the main frame 1 merely, with as stroke limiter.

Claims

1, a kind of automatic distance glasses of adjusting, it is characterized in that: on the runners of the both sides of glasses main frame, be respectively equipped with a chute, can stretch into for a slideway tip in the chute, this slideway tip system can link with cell mount, the slideway tip is at the chute intrinsic displacement of main frame and drive cell mount displacement before main frame, when reading or closely seeing so that bow, the centre deviation of compensation eyeglass still is positioned on the sight line center of lens after the rectification.

2, the automatic distance according to claim 1 glasses of adjusting is characterized in that: the poly-correction and the power resources of eyeglass reach in the center of lens wherein is owing to bow when closely seeing, due to the component of gravity.

3, the automatic distance according to claim 1 glasses of adjusting is characterized in that: wherein the reach activity of eyeglass can be by its friction force of knob controlling, make it become displacement before and after the manual adjustment because of strengthening friction force.

4, the automatic distance according to claim 1 glasses of adjusting is characterized in that: wherein the reach activity of eyeglass can be by its friction force of knob controlling, make it because of the power of reducing friction after, be power according to partical gravity, according to low or come back with displacement before and after the automatic adjustment.

5, the automatic distance according to claim 1 glasses of adjusting, it is characterized in that: wherein the two ends of chute have respectively on one and to end and to end down, the slideway tip one end is established to end and is dashed forward, should end prominent can be positioned between upper and lower ending, and has a cross bore in the slotted eye of the monolateral opening of the slideway tip, can stretch into for the projection of a knob front end, the through hole that this knob can run through cell mount protrudes into the cross bore of the slideway tip again, and a fixing pin can run through another perforation of cell mount and be fixed in the tip hole of the slideway tip, and the slideway tip and cell mount are combined into one.

6, the automatic distance according to claim 1 glasses of adjusting, it is characterized in that: wherein the central sill both sides of main frame have a skeleton frame respectively, can stretch into for the slide bar of cell mount one side in the chute of the monolateral opening of skeleton frame, top end of sliding rod has can prevent that slide bar breaks away from the interior sliding foot of main frame, so that slide bar moves in chute with the displacement of cell mount.

7, the automatic distance according to claim 1 glasses of adjusting is characterized in that: wherein also can set up an involution shell fragment between main frame and cell mount, this involution shell fragment one end system is fixed on the main frame, and the other end then stretches in the elongated slot of cell mount and slides.

8, a kind of automatic distance glasses of adjusting, it is characterized in that: on the runners of the both sides of glasses main frame, be respectively equipped with a groove, have respectively in this groove and end on one and once end, be fixed with a slideway tip in addition on eyeglass and can stretch in the groove, the only prominent of this slideway tip front end can fix in upper and lower the ending of groove.

9, the automatic distance according to claim 1 glasses of adjusting is characterized in that: the wherein rectification between eyeglass and main frame, the barb hook on can also main frame is solid on eyeglass, with as stroke limiter.