CN202472143U

CN202472143U - Elastic spectacle leg

Info

Publication number: CN202472143U
Application number: CN201120564483XU
Authority: CN
Inventors: 高正金
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-29
Filing date: 2011-12-29
Publication date: 2012-10-03
Anticipated expiration: 2021-12-29

Abstract

The utility model provides an elastic spectacle leg, belongs to the technical field of machinery and solves the problems in the prior art that the existing elastic spectacle leg fails to retract automatically and is inconvenient to operate. The elastic spectacle leg comprises a rod-shaped leg body, a connector arranged at the end part of the leg body and a fixed seat fixedly connected to a spectacle frame, wherein a clamp slot is formed on the connector and is in parallel to the leg body, a stop edge is arranged at the edge of the clamp slot, a flexible rope is arranged in the clamp slot, a limiting part is arranged at the inner end of the flexible rope, the outer end of the flexible rope passes through the stop edge and is fixed on the fixed seat, an elastic member is sleeved on the part of the flexible rope which is positioned inside the clamp slot, one end of the elastic member is butted against the limiting part and the other end thereof is butted against the stop edge, a telescopic band is sleeved on the part of the flexible rope which is positioned outside the connector, and one end of the telescopic band is butted against the fixed seat and the other end thereof is butted against the connector. The elastic spectacle leg is advantageous in automatic extension and contraction, so that the spectacles using the elastic spectacle leg are not liable to fall off.

Description

A kind of elastic glasses foot

Technical field

The utility model belongs to the optometric technology field, relates to a kind of earpiece, particularly a kind of elastic glasses foot.

Background technology

Earpiece generally comprises the articulated elements and the articulated elements installation position of installing articulated elements on hinged with picture frame, and articulated elements adopts with the articulated elements installation position and is fixedly connected articulated elements and picture frame hinge.Glasses are to rely on the elasticity of earpiece self to be clipped between two ears because the elasticity of earpiece is generally relatively poor,, need with the crooked earpiece of hand if the width between the earpiece is improper, in order to avoid tension is uncomfortable or get loose, make troubles to the wearer.

For this reason, people have proposed a kind of elastic glasses foot, and this elastic glasses foot is used in glasses widely.In elastic glasses foot, be provided with a spring core between pin body and the hinge, spring is arranged on the spring core, make the pin body certain elasticity arranged with respect to the folding of spectacle frame.The more important thing is, when earpiece is in the position of opening, open and outwards to launch a low-angle again.Like this, wearing of glasses is more convenient, can also clamp wearer's head, and glasses are had on firmly.

Though this traditional elastic glasses foot can hang between wearer's two ears, after the wearer took off glasses, earpiece can not be withdrawn automatically, needed people to pull earpiece, made it be withdrawn into the picture frame place.So obvious inconvenient operation, but also lose time.

Summary of the invention

The purpose of the utility model is to have the problems referred to above to existing technology, has proposed the elastic glasses foot that a kind of earpiece can be withdrawn automatically.

The purpose of the utility model can realize through following technical proposal:

This elastic glasses foot comprises the pin body that is shaft-like, is located at the Connection Block at pin end of body place and is fixed on the holder on the picture frame, and described Connection Block is provided with the draw-in groove that is parallel to each other with the pin body; The edge of said draw-in groove has the retaining edge; It is characterized in that be provided with flexible strand in the described draw-in groove, the inner of said flexible strand has limiting section; The outer end of said flexible strand is passed above-mentioned retaining edge and is fixed on the described holder; Said flexible strand is positioned on the part of draw-in groove and is arranged with elastic component, and an end of said elastic component is resisted against on the limiting section, and its other end is resisted against above-mentioned retaining along last; Said flexible strand is positioned on the part outside the Connection Block and is arranged with telescopic band, and an end of said telescopic band is resisted against on the holder, and its other end is resisted against on the Connection Block.

This elastic glasses foot is when non-working condition; Flexible strand receives the effect of elastic component elastic force inner mobile to draw-in groove, when moving holder is had a pulling force, and holder reacts on flexible strand; The length that flexible strand is positioned at the Connection Block Outboard Sections shortens; The stressed flexural deformation of telescopic band that is to say when not using, and the pin body of earpiece is in contraction state.In the time of need wearing glasses; Outwards pull the pin body with hand, elastic component is compressed gradually in the process that telescopic band stretches, and all the time flexible strand is had elastic force after being compressed; Make the pin body have the trend of inside contraction, so just can firm earpiece be fixed between two ears.

In above-mentioned elastic glasses foot; Described draw-in groove is two and is arranged in parallel; In two draw-in grooves, be respectively equipped with flexible strand, the inner of said flexible strand all has limiting section, and the outer end of said flexible strand is all passed above-mentioned retaining edge and is fixed on the described holder.

In above-mentioned elastic glasses foot, have limited post on the described holder, above-mentioned wherein flexible strand is walked around this limited post and is connected with the end of another root flexible strand, on said limited post, is provided with the gland that can prevent that flexible strand from coming off.

Be provided with like this can flexible strand be understood as and have only one: the two ends of flexible strand are passed the retaining edge and are positioned at two draw-in grooves, and the medium position of this flexible strand is walked around limited post, and are fixing under the effect of gland.Like this mounting structure is simplified, need be respectively fixed to during installation on the holder, only need that limited post is walked around at the middle part of flexible strand and can realize fixing.

In above-mentioned elastic glasses foot; Identical and equal-sized articulated body is in series described telescopic band by some shapes; One side of said articulated body has circular-arc groove; Have the protuberance that is complementary with this arc-shaped groove on its opposite side, the protuberance of said articulated body is positioned at the arc-shaped groove of adjacent articulated body.The telescopic band here is similar to watchband, and under the effect of flexible strand, each articulated body is hinged, and its bending effect is good.

In above-mentioned elastic glasses foot, described articulated body is 3-5.Setting can guarantee can cling on the spectacle-frame when pin body shrinks like this.

In above-mentioned elastic glasses foot, described flexible strand is a wire rope.

In above-mentioned elastic glasses foot, described elastic component is a spring.

In above-mentioned elastic glasses foot, described Connection Block is provided with the cover plate that can cover draw-in groove, and described cover plate passes through screw retention on described Connection Block.

Compared with prior art, this elastic glasses foot has the following advantages: its compact conformation, take up room for a short time, can not only realize the purpose of automatically shrinking; Its pin body produces pressure slightly to brain when wearing glasses; Make the glasses difficult drop-off, and low cost of manufacture, it is easy, easy to assembly to draw materials.

Description of drawings

Fig. 1 is the front elevation of this elastic glasses foot.

Fig. 2 is the vertical view of this elastic glasses foot.

Fig. 3 is the structural representation of the Connection Block that provides of the utility model.

Fig. 4 is the structural representation of the articulated body that provides of the utility model.

Fig. 5 is the cut-open view of the articulated body that provides of the utility model.

Fig. 6 is the stretching figure of the flexible strand that provides of the utility model.

Among the figure, 1, the pin body; 2, Connection Block; 21, draw-in groove; 22, retaining edge; 3, holder; 4, flexible strand; 41, limiting section; 5, elastic component; 6, telescopic band; 7, limited post; 8, articulated body; 81, groove; 82, protuberance.

Embodiment

Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.

As shown in Figure 1 and shown in Figure 2; This elastic glasses foot; Comprise the pin body 1 that is shaft-like, be located at the Connection Block 2 at place, pin body 1 end and be fixed on the holder 3 on the picture frame, on Connection Block 2, be provided with two draw-in grooves 21 that are parallel to each other with pin body 1, have retaining edge 22 at the edge of draw-in groove 21.As shown in Figure 3, in each draw-in groove 21, be respectively equipped with flexible strand 4, the inner of this flexible strand 4 has limiting section 41, and the outer end of flexible strand 4 is passed retaining edge 22 and is fixed on the holder 3.Concrete, as shown in Figure 3, have limited post 7 on the holder 3, wherein flexible strand 4 is walked around this limited post 7 and is connected with the outer end of another root flexible strand 4, on limited post 7, is provided with the gland that can prevent that flexible strand 4 from coming off.That is to say that the flexible strand 4 in the present embodiment has only one: the two ends of flexible strand 4 are passed retaining and are positioned at two draw-in grooves 21 along 22, and the medium position of this flexible strand 4 is walked around limited post 7, under the effect of gland, fixes.Like this mounting structure is simplified, need be respectively fixed to during installation on the holder 3, only need that limited post 7 is walked around at the middle part of flexible strand 4 and can realize fixing.

As shown in Figure 3, flexible strand 4 is positioned on the part of draw-in groove 21 and is arranged with elastic component 5, and an end of elastic component 5 is resisted against on the limiting section 41, and its other end is resisted against retaining along on 22.Flexible strand 4 is positioned on the part in Connection Block 2 outsides and is arranged with telescopic band 6, and an end of telescopic band 6 is resisted against on the holder 3, and its other end is resisted against on the Connection Block 2.

As shown in Figure 1; Identical and equal-sized articulated body 8 is in series telescopic band 6 by some shapes; The shape of articulated body 8 such as Fig. 4 and shown in Figure 5; One side of articulated body 8 has circular-arc groove 81, has the protuberance 82 that is complementary with this arc-shaped groove 81 on its opposite side, and the protuberance 82 of articulated body 8 is positioned at the arc-shaped groove 81 of adjacent articulated body 8.The telescopic band 6 here is similar to watchband, and under the effect of flexible strand 4, each articulated body 8 is hinged, and its bending effect is good.Articulated body 8 in the present embodiment is 3, and setting can guarantee can cling on the spectacle-frame when pin body 1 shrinks like this.

Like Fig. 3 and shown in Figure 6, elastic component 5 is a spring, and the flexible strand 4 in the present embodiment is a wire rope.On Connection Block 2, be provided with the cover plate that can cover draw-in groove 21, cover plate passes through screw retention on Connection Block 2.

This elastic glasses foot is when non-working condition; Wire rope receives the effect of spring force to draw-in groove 21 inner moving, and when moving holder 3 is had a pulling force, and holder 3 reacts on wire rope; The length that wire rope is positioned at Connection Block 2 Outboard Sections shortens; Telescopic band 6 stressed flexural deformations that is to say that when not using the pin body 1 of earpiece is in contraction state.In the time of need wearing glasses; Outwards pull pin body 1 with hand, the process medi-spring that stretches at telescopic band 6 is compressed gradually, all the time wire rope is had elastic force after being compressed; Make pin body 1 have the trend of inside contraction, so just can firm earpiece be fixed between two ears.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.

Although this paper has used 1, the pin body morely; 2, Connection Block; 21, draw-in groove; 22, retaining edge; 3, holder; 4, flexible strand; 41, limiting section; 5, elastic component; 6, telescopic band; 7, limited post; 8, articulated body; 81, groove; 82, term such as protuberance, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.

Claims

1. elastic glasses foot; Comprise the pin body (1) that is shaft-like, be located at the Connection Block (2) at place, pin body (1) end and be fixed on the holder (3) on the picture frame; Described Connection Block (2) is provided with the draw-in groove (21) that is parallel to each other with pin body (1), and the edge of said draw-in groove (21) has retaining along (22), it is characterized in that; Be provided with flexible strand (4) in the described draw-in groove (21); The inner of said flexible strand (4) has limiting section (41), and above-mentioned retaining is passed along (22) and be fixed on the described holder (3) in the outer end of said flexible strand (4), and said flexible strand (4) is positioned on the part of draw-in groove (21) and is arranged with elastic component (5); One end of said elastic component (5) is resisted against on the limiting section (41), and its other end is resisted against above-mentioned retaining along on (22); Said flexible strand (4) is positioned on the part outside the Connection Block (2) and is arranged with telescopic band (6), and an end of said telescopic band (6) is resisted against on the holder (3), and its other end is resisted against on the Connection Block (2).

2. a kind of elastic glasses foot according to claim 1; It is characterized in that; Described draw-in groove (21) is two and is arranged in parallel; In two draw-in grooves (21), be respectively equipped with flexible strand (4), the inner of said flexible strand (4) all has limiting section (41), and the outer end of said flexible strand (4) is all passed above-mentioned retaining edge (22) and is fixed on the described holder (3).

3. a kind of elastic glasses foot according to claim 2; It is characterized in that; Has limited post (7) on the described holder (3); An above-mentioned wherein flexible strand (4) is walked around this limited post (7) and is connected with the end of another root flexible strand (4), on said limited post (7), is provided with the gland that can prevent that flexible strand (4) from coming off.

4. according to claim 1 or 2 or 3 described a kind of elastic glasses foots; It is characterized in that; Identical and equal-sized articulated body (8) is in series described telescopic band (6) by some shapes; One side of said articulated body (8) has circular-arc groove (81), has the protuberance (82) that is complementary with this arc-shaped groove (81) on its opposite side, and the protuberance (82) of said articulated body (8) is positioned at the arc-shaped groove (81) of adjacent articulated body (8).

5. a kind of elastic glasses foot according to claim 4 is characterized in that, described articulated body (8) is 3-5.

6. according to claim 1 or 2 or 3 described a kind of elastic glasses foots, it is characterized in that described flexible strand (4) is a wire rope.

7. according to claim 1 or 2 or 3 described a kind of elastic glasses foots, it is characterized in that described elastic component (5) is a spring.

8. according to claim 1 or 2 or 3 described a kind of elastic glasses foots, it is characterized in that described Connection Block (2) is provided with the cover plate that can cover draw-in groove (21), described cover plate passes through screw retention on described Connection Block (2).