CN102566083B

CN102566083B - Spectacle arm

Info

Publication number: CN102566083B
Application number: CN201210035038.3A
Authority: CN
Inventors: 叶兰相
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-16
Filing date: 2012-02-16
Publication date: 2015-02-25
Anticipated expiration: 2032-02-16
Also published as: CN102566083A

Abstract

The invention provides a spectacle arm, which belongs to the technical field of machinery, and solves the problems of high probability of swing and low comfort existing in the conventional spectacle arm as service time increases. The spectacle arm comprises an arm tail, a slingshot shell and a spring core, wherein the slingshot shell is fixedly connected inside the arm tail; the spring core is arranged in the slingshot shell and comprises a chip and a spring; the chip is strip-shaped; the inner end of the chip is positioned in the slingshot shell; the outer end of the chip extends out of a port of the slingshot shell; under the elastic action of the spring, the outer end of the chip is pressed against the port of the slingshot shell; and an anti-swing structure which is in tight fit in a concave convex mode to prevent the chip from rotating in the axial direction of the chip relative to the slingshot shell is arranged between the port of the slingshot shell and the outer end of the chip. The spectacle arm has the advantages of low probability of swing, high comfort and the like.

Description

A kind of earpiece

Technical field

The invention belongs to field of mechanical technique, relate to a kind of earpiece.

Background technology

Elastic glasses foot is widely used in glasses.In elastic glasses foot, earpiece comprises pin head and pin tail, be connected by hinged seat between pin head with pin tail, pin tail is connected by the spring core be installed in slingshot shell with between hinged seat, and spring core is equipped with spring, make relative to spectacle frame, to there is certain elasticity during the folding of pin tail, in addition, outwards can also launch a low-angle when earpiece is opened, so make wearing of glasses more convenient, the head of wearer can also be clamped, glasses are worn securely.

The spring core of the earpiece pin tail of most of glasses in the market is all loaded in slingshot shell, and spring core end is stretched out slingshot shell port and is connected with hinged seat.Glass spring earpiece device [the publication number: CN2375975 improved disclosed in Chinese patent; Application number: CN99200956.1], it comprises pivot joint block, holder, flexible member, bolt and mirror foot, wherein mirror foot cover is connected on holder, its front end side wall is provided with a baffle plate, capacity groove is provided with in leading section, holder surface circular row latch, this holder is packed in the capacity groove of mirror foot, and the capacity groove inwall wringing fit of the latch of holder and mirror foot.

In the Glass spring earpiece device of this improvement, spring core outer end and slingshot shell port phase-contact surface are plane, and this coordinates easily makes spring core axially produce rotation relative to slingshot shell along it.Meanwhile, after glasses use a period of time, the connection between pin tail and hinged seat becomes loosening, causes pin tail to be opened at glasses, closes or certain amplitude unnecessary swing occurs in folding process, have impact on comfortableness during eyeglasses-wearing.

Other adopt the glasses of slingshot shell and spring core flat surface contact manner also all to there is problems.

Summary of the invention

The object of the invention is the problems referred to above existed for prior art, propose a kind ofly not easily to swing, comfort level is high when wearing earpiece.

Object of the present invention realizes by following technical proposal: a kind of earpiece, comprise pin tail, the spring core being fixed on the slingshot shell inside pin tail and being arranged in slingshot shell, spring core comprises chip and spring, chip is strip, chip the inner is positioned at slingshot shell, slingshot shell port is stretched out in chip outer end, it is characterized in that, under the elastic force effect of above-mentioned spring, chip outer end is resisted against slingshot shell port, have between described slingshot shell port and chip outer end and to be closely cooperated the anti-sway structure preventing chip from axially rotating relative to slingshot shell along it by concavo-convex manner.

The inner linking springs of chip is installed on slingshot shell inside, and under the elastic force effect of spring, chip outer end is stretched out slingshot shell and is resisted against the port of slingshot shell, and now both cooperatively interact.

Anti-sway structure between slingshot shell with spring core adopts concavo-convex manner to coordinate, and makes coordinating more closely between slingshot shell with spring core, decreases spring core and axially produces rotation relative to slingshot shell along it, make cooperation between the two more stable.

In above-mentioned a kind of earpiece, it is characterized in that, described anti-sway structure comprises the lug boss being arranged at slingshot shell port, and is arranged at the recess that chip cooperatively interacts with lug boss.

In above-mentioned a kind of earpiece, it is characterized in that, described anti-sway structure comprises the recess being arranged at slingshot shell port, and is arranged at the lug boss that chip cooperatively interacts with recess.The mode adopting lug boss and recess to cooperatively interact, makes slingshot shell tightr with coordinating of spring core.

In above-mentioned a kind of earpiece, it is characterized in that, described chip comprises head, middle part and afterbody, and described recess is arranged at the head of chip.

In above-mentioned a kind of earpiece, it is characterized in that, described chip comprises head, middle part and afterbody, and described lug boss is arranged at the head of chip.

In above-mentioned a kind of earpiece, it is characterized in that, described chip head is provided with hinge hole, and the hinge hole at chip head place is connected with a hinged seat.Earpiece pin tail is connected with hinged seat by chip head hinge hole, thus earpiece pin tail is connected with earpiece pin head.

In above-mentioned a kind of earpiece, it is characterized in that, the lug boss of described slingshot shell port stretches in hinged seat, the both sides of described lug boss and the inner side of hinged seat inconsistent.

When glasses are in and open or close state, due to the lug boss at slingshot shell place be positioned at all the time hinged seat mutually to closely cooperate with the recess of chip head and the lug boss both sides of slingshot shell port all the time with hinged seat inside inconsistent, earpiece pin tail not easily swings after glasses open or close, and in folding process, unnecessary swing can not occur.

In above-mentioned a kind of earpiece, it is characterized in that, the lug boss of described chip head stretches out hinged seat from chip head, the both sides of the lug boss of described chip head and the both sides of slingshot shell recess inconsistent.

In above-mentioned a kind of earpiece, it is characterized in that, described slingshot shell adopts copper-nickel alloy material to make.

Compared with prior art, slingshot shell and the spring core of this earpiece pin tail adopt concavo-convex manner to coordinate, make coordinating more tight between slingshot shell with spring core, decrease the rotation along its axis of spring core that common spectacles pin adopts flat surface contact manner and produce due to slingshot shell and spring core.Make earpiece pin tail not easily swing after glasses open or close making earpiece pin tail simultaneously, and in folding process, unnecessary swing can not occur, more comfortable during eyeglasses-wearing, applicability is higher.

Accompanying drawing explanation

Fig. 1 is the folding schematic diagram of this earpiece pin head and pin tail junction.

Fig. 2 is the structural representation of spring core in this earpiece.

Fig. 3 is the stretching, extension schematic diagram of this earpiece pin head and pin tail junction.

In figure, 1, slingshot shell; 2, chip; 3, spring; 4, lug boss; 5, recess; 6, head; 7, middle part; 8, afterbody; 9, hinge hole; 10, hinged seat.

Embodiment

Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.

Embodiment one

As shown in Figure 1, Figure 2 and Figure 3, a kind of earpiece, the spring core comprising pin tail, be fixed on the slingshot shell 1 inside pin tail and be arranged in slingshot shell 1.Spring core comprises chip 2 in strip and spring 3, chip 2 the inner is positioned at slingshot shell 1, chip 2 outer end stretches out slingshot shell 1 port and chip 2 outer end is resisted against slingshot shell 1 port under the elastic force effect of spring 3, has and closely cooperated the anti-sway structure preventing chip 2 from axially rotating relative to slingshot shell 1 along it by concavo-convex manner between slingshot shell 1 port and chip 2 outer end.

Anti-sway structure comprises the lug boss 4 being arranged at slingshot shell 1 port, and is arranged at the recess 5 that chip 2 cooperatively interacts with lug boss 4.Chip 2 comprises head 6, middle part 7 and afterbody 8, and in the present embodiment, recess 5 is positioned at the head 6 of chip 2, and the afterbody 8 of chip 2 is connected with spring 3.The head 6 of chip 2 is provided with hinge hole 9, the head 6 of chip 2 is connected with a hinged seat 10 by this hinge hole 9, the lug boss 4 of slingshot shell 1 port cooperatively interacts with the recess 5 of the head 6 being positioned at chip 2, and this lug boss 4 stretches in hinged seat 10, now inconsistent inside the both sides of lug boss 4 and hinged seat 10.

Glasses in use for some time, connection between spring core and hinged seat 10 there will be to a certain degree loosen, now loosen because connecting and easily make earpiece pin tail produce the swing of certain amplitude, in addition due to slingshot shell 1 in most of glasses with adopt the mode of plane contact easily to make spring core axially produce relative to slingshot shell 1 along it between spring core to rotate.By the mode of male-female engagement between this earpiece pin tail place slingshot shell 1 and spring core, decrease the axial rotation of spring core, make slingshot shell 1 and coordinating more closely and stablizing between spring core.

After spring core is interconnected with hinged seat 10 by the hinge hole 9 being positioned at chip 2 head 6, the lug boss 4 being positioned at slingshot shell 1 port stretches into hinged seat 10 all the time.Because lug boss 4 is positioned at hinged seat 10 and the inner side of the both sides of lug boss 4 and hinged seat 10 is inconsistent all the time, earpiece pin tail is not easily swung after glasses open or close, and unnecessary swing can not be there is in folding process, improve comfortableness during eyeglasses-wearing.

In addition, according to actual conditions, anti-sway structure also can adopt and arrange a recess in slingshot shell 1 port, and arrange lug boss at chip 2 head 6 of spring core, and this lug boss stretches out hinged seat 10 and the recess of slingshot shell 1 port from chip 2 head 6 cooperatively interacts the effect reaching and prevent from swinging.

Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims

1. an earpiece, comprise pin tail, the spring core being fixed on the slingshot shell (1) inside pin tail and being arranged in slingshot shell (1), spring core comprises chip (2) and spring (3), chip (2) is in strip, chip (2) the inner is positioned at slingshot shell (1), slingshot shell (1) port is stretched out in chip (2) outer end, it is characterized in that, under the elastic force effect of above-mentioned spring (3), chip (2) outer end is resisted against slingshot shell (1) port, have between described slingshot shell (1) port and chip (2) outer end and to be closely cooperated the anti-sway structure preventing chip (2) from axially rotating relative to slingshot shell (1) along it by concavo-convex manner, described anti-sway structure comprises the lug boss (4) being arranged at slingshot shell (1) port, and be arranged at the recess (5) that chip (2) is gone up and lug boss (4) cooperatively interacts, described chip (2) comprises head (6), middle part (7) and afterbody (8), described recess (5) is arranged at the head (6) of chip (2).

2. a kind of earpiece according to claim 1, it is characterized in that, the head (6) of described chip (2) is provided with hinge hole (9), and the hinge hole (9) at chip (2) head (6) place is connected with a hinged seat (10).

3. a kind of earpiece according to claim 2, it is characterized in that, the lug boss (4) of described slingshot shell (1) port stretches in hinged seat (10), the both sides of described lug boss (4) and the inner side of hinged seat (10) inconsistent.

4. a kind of earpiece according to claim 1, is characterized in that, described slingshot shell (1) adopts copper-nickel alloy material to make.

5. an earpiece, comprise pin tail, the spring core being fixed on the slingshot shell (1) inside pin tail and being arranged in slingshot shell (1), spring core comprises chip (2) and spring (3), chip (2) is in strip, chip (2) the inner is positioned at slingshot shell (1), slingshot shell (1) port is stretched out in chip (2) outer end, it is characterized in that, under the elastic force effect of above-mentioned spring (3), chip (2) outer end is resisted against slingshot shell (1) port, have between described slingshot shell (1) port and chip (2) outer end and to be closely cooperated the anti-sway structure preventing chip (2) from axially rotating relative to slingshot shell (1) along it by concavo-convex manner, described anti-sway structure comprises the recess being arranged at slingshot shell (1) port, and be arranged at the lug boss that chip (2) is gone up and recess cooperatively interacts, described chip (2) comprises head (6), middle part (7) and afterbody (8), described lug boss is arranged at the head (6) of chip (2).

6. a kind of earpiece according to claim 5, it is characterized in that, the head (6) of described chip (2) is provided with hinge hole (9), and the hinge hole (9) at chip (2) head (6) place is connected with a hinged seat (10).

7. a kind of earpiece according to claim 6, it is characterized in that, the lug boss of described chip (2) head (6) stretches out hinged seat (10) from chip (2) head (6), the both sides of the lug boss of described chip (2) head (6) and the both sides of slingshot shell (1) recess inconsistent.

8. a kind of earpiece according to claim 5, is characterized in that, described slingshot shell (1) adopts copper-nickel alloy material to make.