CN202443197U

CN202443197U - Glass arm

Info

Publication number: CN202443197U
Application number: CN2012200499834U
Authority: CN
Inventors: 叶兰相
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-16
Filing date: 2012-02-16
Publication date: 2012-09-19
Anticipated expiration: 2022-02-16
Also published as: BR202012030541U2

Abstract

The utility model provides a glass arm and belongs to the technical field of machines. The glass arm solves the problems that existing glass arms are easy to swing with the increase of usage time and uncomfortable. The glass arm comprises an arm tail, an elastic bow case and a spring core, wherein the elastic bow case is fixedly connected on the inner side of the arm tail, the spring core is arranged inside the elastic bow case and comprises a chip and a spring, the chip is in a stripe shape, the inner end of the spring core is located inside the elastic bow case, the outer end of the spring core extends out of an end port of the elastic bow case, the outer end of the chip abuts against the end port of the elastic bow case, and an anti-swing structure which is tightly matched with the elastic bow case and the chip through a concave-convex mode and prevents the chip from rotating relative to the elastic bow case along an axial direction of the chip is arranged between the end port of the elastic bow case and the outer end of the chip. The glass arm has the advantages of being comfortable and not easy to swing.

Description

A kind of earpiece

Technical field

The utility model belongs to field of mechanical technique, relates 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, is connected through hinged seat between pin head and the pin tail; Link to each other through the spring core that is installed in the catapult shell between pin tail and the hinged seat, spring is housed on the spring core, have certain elasticity with respect to spectacle frame when making the folding of pin tail; In addition, when earpiece is opened, can also outwards launch a low-angle, make that so wearing of glasses is more convenient; Can also clamp wearer's head, glasses can be worn securely.

The spring core of the earpiece pin tail of most of glasses in the market all is loaded in the catapult shell, and the spring core end is stretched out catapult shell port and is connected with hinged seat.Glass spring earpiece device [publication number: CN2375975 like the disclosed improvement of Chinese patent; Application number: CN99200956.1]; It comprises pivot joint block, holder, flexible member, bolt and mirror foot, and wherein the mirror foot is socketed on the holder, and its front end side wall is provided with a baffle plate; Be provided with the capacity groove at 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.

The Glass spring earpiece device medi-spring fuse outer end of this improvement and catapult shell port phase-contact surface are the plane, and this cooperation is prone to make spring core axially to rotate with respect to the catapult shell along it.Simultaneously because after glasses used a period of time, the connection between pin tail and the hinged seat became loosening, cause the pin tail open at glasses, close or folding process in the unnecessary swing of certain amplitude takes place, the comfortableness when having influenced eyeglasses-wearing.

Other adopt the glasses of catapult shell and spring core plane contact mode also all to have this type of problem.

Summary of the invention

The purpose of the utility model is the problems referred to above that exist to prior art, has proposed a kind of difficult swing, the high earpiece of comfort level when wearing.

The purpose of the utility model can realize through following technical proposal: a kind of earpiece; Comprise the pin tail, be fixed on the inboard catapult shell of pin tail and be arranged at the spring core in the catapult shell, spring core comprises chip and spring, and chip is strip; Chip the inner is positioned at the catapult shell; Catapult shell port is stretched out in the chip outer end, it is characterized in that, under the elastic force effect of above-mentioned spring; The chip outer end is resisted against catapult shell port, and having between described catapult shell port and the chip outer end closely cooperates through concavo-convex mode prevents that chip is along its anti-pendulum structure of axially rotating with respect to the catapult shell.

The inner spring that connects of chip is installed on catapult shell inside, and under the elastic force effect of spring, the chip outer end is stretched out the catapult shell and is resisted against the port of catapult shell, and this moment, both cooperatively interacted.

The catapult shell adopts concavo-convex mode to cooperate with anti-pendulum structure between the spring core, makes to cooperate closelyr between catapult shell and the spring core, has reduced spring core and has axially rotated with respect to the catapult shell along it, makes that cooperation between the two is more stable.

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

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

In above-mentioned a kind of earpiece, it is characterized in that described chip comprises head, middle part and afterbody, 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, 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, the hinge hole at chip head place is connected with a hinged seat.Earpiece pin tail is connected with hinged seat through chip head hinge hole, thereby makes earpiece pin tail be connected with earpiece pin head.

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

Glasses are in when opening or closing state; The recess of hinged seat and chip head closely cooperates each other and the lug boss both sides of catapult shell port are inconsistent with the hinged seat inboard all the time because the lug boss at catapult shell place is positioned at all the time; Earpiece pin tail opens or closes the back at glasses and is difficult for swing, and in folding process, unnecessary swing can not take place.

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

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

Compared with prior art; The catapult shell of this earpiece pin tail adopts concavo-convex mode to cooperate with spring core; Make to cooperate closelyr between catapult shell and the spring core, reduced the common spectacles pin owing to catapult shell and spring core adopt spring core that the plane contact mode produces along its axial rotation.Make earpiece pin tail make earpiece pin tail open or close the difficult swing in back at glasses simultaneously, and in folding process, unnecessary swing can not take place, more comfortable during eyeglasses-wearing, applicability is higher.

Description of drawings

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

Fig. 2 is the structural representation of this earpiece medi-spring fuse.

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

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

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.

Embodiment one

Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of earpiece comprises the pin tail, is fixed on the inboard catapult shell 1 of pin tail and is arranged at the spring core in the catapult shell 1.Spring core comprises the chip 2 and spring 3 that is strip; Chip 2 the inners are positioned at catapult shell 1; Chip 2 outer ends stretch out catapult shell 1 port and under the elastic force effect of spring 3 chip 2 outer ends be resisted against catapult shell 1 port, having between catapult shell 1 port and chip 2 outer ends closely cooperates through concavo-convex mode prevents that chip 2 is along its anti-pendulum structure of axially rotating with respect to catapult shell 1.

Anti-pendulum structure comprises the lug boss 4 that is arranged at catapult shell 1 port, and is arranged at the recess 5 that cooperatively interacts with lug boss 4 on the chip 2.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 through this hinge hole 9; The lug boss 4 of catapult shell 1 port cooperatively interacts with the recess 5 that is positioned at the head 6 of chip 2; And this lug boss 4 stretches in the hinged seat 10, and this moment, the both sides and the hinged seat 10 of lug boss 4 were inboard inconsistent.

Glasses in use for some time; To a certain degree loosening can appear being connected between spring core and the hinged seat 10; Be prone to make that because of connecting to become flexible earpiece pin tail produces the swing of certain amplitude this moment, rotates along its axially relative catapult shell 1 owing to the mode that adopts plane contact between catapult shell 1 in most of glasses and the spring core is prone to make spring core in addition.Through the concavo-convex mode that cooperates, reduced the axial rotation of spring core between this earpiece pin tail place catapult shell 1 and the spring core, made cooperating between catapult shell 1 and the spring core more closely with stable.

After spring core interconnected with hinged seat 10 through the hinge hole 9 that is positioned at chip 2 heads 6, the lug boss 4 that is positioned at catapult shell 1 port stretched into hinged seat 10 all the time.Because lug boss 4 is positioned at both sides and hinged seat 10 inboard inconsistent of hinged seat 10 and lug boss 4 all the time; Make earpiece pin tail open or close the back and be difficult for swing at glasses; And unnecessary swing can not take place, the comfortableness when having improved eyeglasses-wearing in folding process.

In addition; According to actual conditions; Anti-pendulum structure also can be employed in catapult shell 1 port one recess is set; And at chip 2 heads 6 of spring core lug boss is set, and this lug boss recess of stretching out hinged seat 10 and catapult shell 1 port from chip 2 heads 6 cooperatively interacts to reach and prevents the effect of swinging.

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.

Claims

1. earpiece; Comprise the pin tail, be fixed on the inboard catapult shell (1) of pin tail and be arranged at spring (3) fuse in the catapult shell (1), spring (3) fuse comprises chip (2) and spring (3), and chip (2) is strip; Chip (2) the inner is positioned at catapult shell (1); Catapult 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 catapult shell (1) port, and having between described catapult shell (1) port and chip (2) outer end closely cooperates through concavo-convex mode prevents that chip (2) is along its anti-pendulum structure of axially rotating with respect to catapult shell (1).

2. a kind of earpiece according to claim 1 is characterized in that, described anti-pendulum structure comprises the lug boss (4) that is arranged at catapult shell (1) port, and is arranged at the recess (5) that chip (2) is gone up and lug boss (4) cooperatively interacts.

3. a kind of earpiece according to claim 1 is characterized in that, described anti-pendulum structure comprises the recess that is arranged at catapult shell (1) port, and is arranged at the lug boss that chip (2) is gone up and recess cooperatively interacts.

4. a kind of earpiece according to claim 2 is characterized in that, described chip (2) comprises head (6), middle part (7) and afterbody (8), and described recess (5) is arranged at the head (6) of chip (2).

5. a kind of earpiece according to claim 3 is characterized in that, described chip (2) comprises head (6), middle part (7) and afterbody (8), and described lug boss is arranged at the head (6) of chip (2).

6. according to claim 1 or 2 or 3 or 4 or 5 described a kind of earpieces, it is characterized in that the head (6) of described chip (2) is provided with hinge hole (9), the hinge hole (9) that chip (2) head (6) is located is connected with a hinged seat (10).

7. a kind of earpiece according to claim 6 is characterized in that, the lug boss (4) of described catapult shell (1) port stretches in the hinged seat (10), the both sides of described lug boss (4) and hinged seat (10) inboard inconsistent.

8. 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), and the both sides of the both sides of the lug boss of described chip (2) head (6) and catapult shell (1) recess are inconsistent.

9. according to claim 1 or 2 or 3 or 4 or 5 described a kind of earpieces, it is characterized in that described catapult shell (1) adopts the copper-nickel alloy material to process.