CN201589904U

CN201589904U - Spring hinge

Info

Publication number: CN201589904U
Application number: CN2009203039455U
Authority: CN
Inventors: 洪建威
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-03
Filing date: 2009-06-03
Publication date: 2010-09-22
Anticipated expiration: 2019-06-03

Abstract

The utility model relates to a spring hinge, which comprises a long shell which is provided with an end-surface opening and a cylindrical cavity that is communicated with the opening, a hinge core body with a long shaft at one end and a flat body at the other end, and a clamp ring sleeve. A spring is sleeved at the long shaft end of the hinge core body, the long shaft end with the spring for the hinge core body and one part of the flat body end for the hinge core body are installed in the long shell; the clamp ring sleeve is sleeved at the long shaft end of the hinge core body and is arranged between the spring and the flat body end of the hinge core body; a clamp groove is arranged at the outer surface of the clamp ring sleeve; a screw hole is arranged on the long shell, and a screw is screwed into the screw hole to push against the clamp groove so as to lock the hinge core body in the long shell. The advantages are as follows: a gasket uses phosphor copper, the acid resistance and the wear resistance are strong; the gasket ensures the smoothness of the end surface and solves the direct friction between the shell end and the glasses leg articulated parts; the ring-shaped sleeve with simple structure is easy to process; the locking way of screw and clamp groove is used, the process is stable and consistent, and the locking effect of the hinge core body is better.

Description

A kind of spring hinge

Technical field

The utility model relates to the glasses parts, particularly is used for a kind of spring hinge that leg of spectacles is connected with picture frame.

Background technology

The spring hinge that connects leg of spectacles and lens frame is the parts of easy damage in the glasses use, common spring hinge all has the housing of a shock mount spare, spring part is fixed in the housing by locking device, and spring part is connected with lens frame with leg of spectacles respectively with housing by articulated elements; In the use between articulated elements and the shell end because the damage that the effect of spring can produce rigid friction acceleration components, " a kind of glasses with pure titanium spring hinge " Chinese patent of notification number CN201060330Y, be that the inventor has added a phosphor-copper pad for overcoming the problems referred to above between shell end and articulated elements, but this patent with pad and spring part locking member as one processing still not too simple, and what the locking of locking member was adopted is the mode of riveting point, it is consistent that this kind riveting point mode quality is not easy control, obscission can occur in the use.

Summary of the invention

The purpose of this utility model is simply to be easy to processing for solving spring hinge structure, solves that locking member easily comes off and a kind of spring hinge for spectacles technical scheme of proposing.

To achieve these goals, the technical solution of the utility model is: a kind of spring hinge, comprise an end face opening and have the elongate housing of the cylindrical cavity that connects with opening, there is a side plane perpendicular to end face in the elongate housing outside, one one end is the hinge core body of flat-shaped body for the major axis other end, a spring housing is contained in the longitudinal end of hinge core body, and the flange that spring is provided with by the longitudinal end end is stuck on the longitudinal end of hinge core body; The some that the hinge core body has the longitudinal end of spring and a flat-shaped body end of hinge core body penetrates from elongate housing end face opening part and is installed in the elongate housing, another of the flat-shaped end of hinge core body partly is arranged on the elongate housing open end outside for hinged end, it is characterized in that, described spring hinge also comprises a snap ring sleeve, the snap ring sleeve has constituted the locking member of hinge core body, described snap ring jacket casing is on the longitudinal end of hinge core body and be arranged between spring and the flat-shaped body of hinge core body, the snap ring sleeve is by the flat-shaped body of hinge core body and spring is spacing blocks, be provided with the draw-in groove of locking axle sleeve snap ring at the outside surface of snap ring sleeve, be provided with screw hole on elongate housing, screw DRIVE SCREWS hole withstands in the draw-in groove of snap ring sleeve the hinge core body is locked in the elongate housing; The end face opening of described elongate housing has a groove that can make the flat-shaped end insertion of hinge core body, the directed guide groove that described groove vertically moves as the hinge core body, the some of the flat-shaped body end of described hinge core body is inserted groove, in described end face groove, be provided with a pad draw-in groove, a pad is close to the end face that is arranged on elongate housing by the pad draw-in groove, has on pad and the consistent opening of described elongate housing end face.

The beneficial effects of the utility model are:

1. adopt annulus to realize the locking of hinge core body, annulus easy processing simple in structure;

2. the utility model uses the lock mode of screw socket draw-in groove, the process stabilizing unanimity, and hinge core body locking effect is better;

3. add a phosphor-copper pad simple in structure at the elongate housing end face, resistance to acid is strong, resistance to abrasion is strong, and pad has guaranteed the planarization of end face, has solved the direct friction of shell end and leg of spectacles articulated elements.

Below in conjunction with drawings and Examples the utility model is done a detailed description.

Description of drawings

Fig. 1 is the utility model STRUCTURE DECOMPOSITION synoptic diagram;

Fig. 2 is the elevational schematic view (not containing pad) of the utility model Fig. 1;

Fig. 3 is the utility model assembling back partial cutaway synoptic diagram;

Fig. 4 is the utility model pad schematic perspective view;

Fig. 5 has the synoptic diagram of articulated elements for the utility model.

Embodiment

Embodiment,

A kind of spring hinge embodiment, referring to Fig. 1 to Fig. 5, the present embodiment spring hinge is to be used for leg of spectacles is fixed on the pair of eyeglasses frame, and wherein the hinge core body of spring hinge is connected with leg of spectacles by articulated elements, and the housing of spring hinge is connected with lens frame; Leg of spectacles can forward the position of wearing glasses to from its rest position, wherein applies reset force by the spring in the spring hinge.

Fig. 1, Fig. 2, Fig. 3, Fig. 4 has illustrated a kind of spring hinge, comprise an end face 1-1 opening 1-2 and have the elongate housing 1 that connects cylindrical cavity 1-7 with opening, elongate housing has a side plane 1-8 perpendicular to end face to be used for and being connected of spectacle-frame or leg of spectacles, one one end is that the major axis 2-1 other end is that cross sectional shape is the hinge core body 2 of rectangular flat-shaped body 2-2, flat-shaped body protrudes from major diameter, a spring 3 is sleeved on the longitudinal end of hinge core body, and the flange 2-4 that spring is provided with by the longitudinal end end is stuck on the longitudinal end of hinge core body; The a part of 2-2-1 that the hinge core body has the longitudinal end of spring and a flat-shaped body end of hinge core body penetrates cylindrical cavity from elongate housing end face opening part and is installed in the elongate housing, another of the flat-shaped body end of hinge core body partly is arranged on the elongate housing open end outside for hinged end 2-2-2, described spring hinge also comprises a snap ring sleeve 4, the snap ring sleeve has constituted the locking member of hinge core body in elongate housing, described snap ring jacket casing is on the longitudinal end of hinge core body and be arranged between spring and the flat-shaped body of hinge core body, the snap ring sleeve is by the flat-shaped body of hinge core body and spring is spacing blocks, the inner headed face 4-1 of described snap ring sleeve vertically moves the spigot surface of major axis for the hinge core body, be provided with the draw-in groove 4-2 of locking axle sleeve snap ring at the outside surface of snap ring sleeve, draw-in groove place at the axle sleeve snap ring on the elongate housing is provided with screw hole 1-3, and screw 5 DRIVE SCREWS hole withstand in the draw-in groove of snap ring sleeve the hinge core body is locked in the elongate housing; The end face opening of described elongate housing is provided with a groove 1-4 that can make the flat-shaped end insertion of hinge core body, the directed guide groove that described groove vertically moves as the hinge core body, the some of the flat-shaped body end of described hinge core body is inserted groove, in described end face groove, be provided with a pad draw-in groove 1-5, a pad 6 is close to the end face that is arranged on elongate housing by the pad draw-in groove, has the opening 6-1 consistent with described elongate housing end face on pad.

Described pad is a phosphor-copper material pad, is characterized in wear-resisting.

The open end of described elongate housing is a plane, and this end face is perpendicular to the cylindrical cavity central axis in the elongate housing.

The flange of hinge core body longitudinal end end is to form by extruding after snap ring sleeve and spring are inserted in major axis, flange makes the hinge core body, snap ring sleeve and spring become a global facility, elongate housing inwardly is drilled with a circular hole from openend and forms cylindrical cavity, the snap ring sleeve by hinge core body longitudinal end band and spring inserts in the circular hole, screw screws in from the screw hole of elongate housing snap ring sleeve draw-in groove present position on the hinge core body and blocks the snap ring sleeve, as shown in Figure 5, the flat-shaped hinged end of the hinge core body outside the elongate housing open end connects an articulated elements 8 by a pivot pin 7, the rotating hinge fitting, the end 8-1 of articulated elements and pivot pin decentraction withstands elongate housing opening part end face drive hinge core body and outwards moves, the hinge core body outwards moves and has pushed the spring that hinge core body longitudinal end band, and spring is given the inside reset force of hinge core body again; After adding the phosphor-copper pad, improved elongate housing opening part end face the wearing quality of elongate housing opening part end face.

Referring to Fig. 2, wherein the pad of Fig. 1 is illustrated by Fig. 4, described pad draw-in groove can be square groove or dovetail groove, the more convenient processing of dovetail groove, described pad draw-in groove 1-5 and elongate housing side plane 1-8 connect, described pad has a flange 6-2 who matches with the pad draw-in groove, and pad snaps in from the side of opening part end face to be installed very conveniently, and the processing of pad is also very convenient.

The end face groove 1-4 of described elongate housing and the side plane 1-8 of elongate housing connect, and make that the processing of groove is very convenient, and two sides that two side 1-4-1 of groove are close to the flat-shaped body of hinge core body form the spigot surface that the hinge core body moves forward and backward.

The flat-shaped body leptoprosopy 2-5 width of described hinge core body and the major diameter size basically identical error of hinge core body are less than ± 0.5 millimeter, and the wide face width degree of flat-shaped body size is 2 to 3 times of major diameter size.

The flat-shaped body of described hinge core body in the elongate housing end face outside partly wide face width 2-2-2 greater than inserting wide face width 2-2-1 of elongate housing end face part, partly form a location step 2-2-3 between wide face width of flat-shaped body greater than wide face width of the flat-shaped body of part and insertion, this positioning step has been stuck on the pad of elongate housing opening part end face.

The described insertion elongate housing open end partly outer face 2-6 of flat-shaped body is consistent plane with elongate housing side plane 1-8 or is lower than this side plane.

Described screw hole is located on the side plane of elongate housing.

On the side plane of described elongate housing, be provided with the soldering projection 1-9 that is connected with leg of spectacles, be provided with groove 1-10 in the both sides of projection, the effect of groove is the unnecessary titanium liquation that the soldering projection fusing produces when depositing leg of spectacles and spring hinge butt welding, and welding is smooth when guaranteeing leg of spectacles and spring hinge butt welding.

The described soldering projection of present embodiment is two, is arranged at along the length position of center line of spring hinge and leg of spectacles joint face.

Soldering projection is higher than between the joint face 0.2-0.5 millimeter, and present embodiment is 0.25 millimeter.

The degree of depth of soldering projection grooves on two sides is between the 0.1-0.5 millimeter, and present embodiment is 0.2 millimeter.

Claims

1. spring hinge, comprise an end face opening and have the elongate housing of the cylindrical cavity that connects with opening, there is a side plane perpendicular to end face in the elongate housing outside, one one end is the hinge core body of flat-shaped body for the major axis other end, a spring housing is contained in the longitudinal end of hinge core body, and the flange that spring is provided with by the longitudinal end end is stuck on the longitudinal end of hinge core body; The some that the hinge core body has the longitudinal end of spring and a flat-shaped body end of hinge core body penetrates from elongate housing end face opening part and is installed in the elongate housing, another of the flat-shaped end of hinge core body partly is arranged on the elongate housing open end outside for hinged end, it is characterized in that, described spring hinge also comprises a snap ring sleeve, described snap ring jacket casing is on the longitudinal end of hinge core body and be arranged between spring and the flat-shaped body of hinge core body, the snap ring sleeve is by the flat-shaped body of hinge core body and spring is spacing blocks, be provided with the draw-in groove of locking axle sleeve snap ring at the outside surface of snap ring sleeve, be provided with screw hole on elongate housing, screw DRIVE SCREWS hole withstands in the draw-in groove of snap ring sleeve the hinge core body is locked in the elongate housing; The end face opening of described elongate housing has a groove that can make the flat-shaped end insertion of hinge core body, the directed guide groove that described groove vertically moves as the hinge core body, the some of the flat-shaped body end of described hinge core body is inserted groove, in described end face groove, be provided with a pad draw-in groove, a pad is close to the end face that is arranged on elongate housing by the pad draw-in groove, has on pad and the consistent opening of described elongate housing end face.

2. a kind of spring hinge according to claim 1 is characterized in that, described pad is a phosphor-copper material pad.

3. a kind of spring hinge according to claim 1 is characterized in that, the open end of described elongate housing is a plane, and this end face is perpendicular to the cylindrical cavity central axis in the elongate housing.

4. a kind of spring hinge according to claim 1 is characterized in that, described pad draw-in groove is square groove or dovetail groove.

5. a kind of spring hinge according to claim 1, it is characterized in that, the end face groove of described elongate housing and the side plane of elongate housing connect, and two sides that the flat-shaped body of hinge core body is close in two sides of groove form the spigot surface that the hinge core body moves forward and backward.

6.

A kind of spring hinge according to claim 1 is characterized in that, the flat-shaped body leptoprosopy width of described hinge core body and the major diameter scale error of hinge core body are less than ± 0.5 millimeter, and the wide face width degree of flat-shaped body size is 2 to 3 times of major diameter size.

7.

A kind of spring hinge according to claim 1, it is characterized in that, the flat-shaped body of described hinge core body in the elongate housing end face outside partly wide face width greater than inserting wide face width of elongate housing end face part, partly form a location step between wide face width of flat-shaped body greater than wide face width of the flat-shaped body of part and insertion, this positioning step has been stuck on the pad of elongate housing opening part end face.

8.

A kind of spring hinge according to claim 1 is characterized in that, the described insertion elongate housing open end partly outer face of flat-shaped body is consistent plane with the elongate housing side plane or is lower than this side plane.

9.

A kind of spring hinge according to claim 1 is characterized in that described screw hole is located on the side plane of elongate housing.