CN2445349Y - Conduit with pad function on spring hinge of glasses - Google Patents

Abstract

The utility model relates to a guide sleeve with spacer functions for spring hinges of a pair of glasses. The guide sleeve is a cylinder; the inside part of the cylinder has a central hole; each of shaft cores of movable cores of the spring hinges of the glasses can pass through the central hole; one end of the outer diameter of central hole has a cervical groove, and a guiding slot is cut open from the center on the other end; the tail ends on both sides of the guiding slot are respectively connected with a shim. The guide sleeve provided by the utility model is made of smooth materials with low friction coefficient and is a structure for preventing the spring hinges of the glasses from being abraded easily; the abrasion on the stress point of the spring hinge made of titanium alloy materials can be reduced; positioning lantern rings of the utility model and guiding and supporting functions for assisting the movable cores of the spring hinges can improve the stability of the movable core of the spring hinges as shifting, so that the service life of a product of the glasses can be prolonged.

Description

The guide pin bushing that the pad function is arranged of spring hinge for spectacles

The utility model relates to spectacle frame, refers to Spetacle frame spring hinge especially, particularly the guide pin bushing of Spetacle frame spring hinge.

Because the development in science and technology in modern age is quick, no matter people absorb information or amusement and recreation all need to use eyes, so glasses are also just more and more indispensable for the modern.Because glasses are to utilize nose and ear as the strong point; so if the overweight meeting of glasses causes the burden of nose or ear; so prior art just is used in the employed titanium alloy of space science and technology on the glasses; the weight of glasses and the intensity of increase mirror holder have significantly been alleviated; yet titanium alloy has the shortcoming of easy wearing and tearing; at the spring hinge for spectacles place; the phenomenon that rubs between regular meeting's generation titanium alloy and move and have some setbacks or wear and tear, taking place for fear of the phenomenon of wearing and tearing then is problem to be solved in the utility model.

In view of this, the purpose of this utility model provides a kind of guide pin bushing that the pad function is arranged of spring hinge for spectacles, uses the structure that the protective spectacles spring hinge easily weares and teares, and increases glasses serviceable life, reduces titanium alloy spring hinge for spectacles accessory manufacturing cost.

The purpose of this utility model is achieved in that a kind of guide pin bushing that the pad function is arranged of spring hinge for spectacles, it is characterized in that this guide pin bushing is a right cylinder, one center pit is arranged in the right cylinder, the axle stamen of the movable stamen of the spring hinge of glasses passes this center pit, external diameter one end has a neck ditch, the other end is then cut a gathering sill open from the center, the both sides tail end of the gathering sill shim liner of respectively ining succession; But the right cylinder external diameter is the position of the movable stamen of correcting spring hinge then, and the side supplemental support during as the movable stamen displacement of spring hinge; This neck ditch is used for fixing guide pin bushing; Gathering sill plays the movable stamen of correcting spring hinge; Respectively in succession a shim liner as the abrasion that reduce titanium alloy spring hinge material at gathering sill both sides tail end, and pad is a  shape shim liner, and it can strengthen the structure of guide pin bushing, guide pin bushing aldary material, stainless steel or engineering plastic manufacturing.

Guide pin bushing smooth and that the low-friction coefficient material is made provided by the utility model is to have the structure that the protective spectacles spring hinge easily weares and teares; can effectively reduce the wearing and tearing of titanium alloy material spring hinge stress point; and the smooth and easy sensation when increasing the spring hinge folding; the guiding support function of the movable stamen of its positioning ring and auxiliary spring hinge; effectively increase the stability when the movable stamen of spring hinge is shifted, prolonged the serviceable life of eyewear products.

The utility model further specifies the utility model below in conjunction with drawings and Examples.

Fig. 1 is the profile stereographic map of the utility model first embodiment.

Fig. 2 is the three-dimensional exploded view of the spring hinge related elements of the utility model first embodiment.

Fig. 3 is the movable stamen group of the spring hinge constitutional diagram of the utility model first embodiment.

Fig. 4 is earpiece and the movable stamen combination of the spring hinge constitutional diagram of the utility model first embodiment.

Fig. 5 is the combination stereogram of the complete spring hinge of the utility model first embodiment.

Fig. 6 is the position profile figure of the spring hinge of the utility model first embodiment in the spring stress maximum.

Position profile figure when Fig. 7 spends for the centre drawer hinge bending 90 of the utility model first embodiment.

Fig. 8 is the stereographic map of the utility model second embodiment.

Fig. 9 is the three-dimensional exploded view of the spring hinge related elements of the utility model second embodiment.

Figure 10 is movable stamen and the part accessory combination stereogram of the utility model second embodiment.

Figure 11 is the sectional view of the movable stamen group of the utility model second embodiment.

Figure 12 is movable stamen group and the hinge box assembling section of the utility model second embodiment.

Figure 13 is the sectional view of the earpiece welding hinge box of the utility model second embodiment.

Figure 14 is the stereographic map of the earpiece welding hinge box of the utility model second embodiment.

Figure 15 is the spring hinge welding spectacle-frame of the utility model second embodiment and the combination section of earpiece.

Figure 16 is the position profile figure of the spring hinge of the utility model second embodiment in the spring stress maximum.

Figure 17 is the position profile figure of spring hinge after bending of the utility model second embodiment.

Figure 18 is folded to the sectional view of spring stress when maximum for the earpiece of the utility model second embodiment.

Figure 19 is the position profile figure after the earpiece folding of the utility model second embodiment.

Please referring to Figure 1 shows that guide pin bushing of the present utility model, it includes pad 201, right cylinder 202, neck ditch 203, center pit 204 and gathering sill 205 and forms.

Please referring to shown in Fig. 2,3,4,5, when packing into the guide pin bushing 20 of pad function and spring 30 and back-up ring 40 by movable stamen 10, i.e. 10 combinations (as shown in Figure 3) of formation activity stamen; After the cylindric tail end of movable stamen 10 flattened with mould, form function, can prevent that spring and other accessories from getting loose (as shown in Figure 3) as locking plate 101; Movable stamen 10 is assembled in the slotted hole 501 of earpiece 50 (as shown in Figure 4), makes a call to a concave point 502 in the appearance appropriate location of earpiece 50 then, this concave point blocks the neck ditch 203 of guide pin bushing 20, as the positioning function of 10 groups of movable stamens; At last centre drawer hinge 70 and screw 60 are loaded onto the earpiece that 10 groups of movable stamens are housed, promptly can form complete spring hinge combination (as shown in Figure 5).

Please referring to shown in Figure 6, centre drawer hinge 70 is in outwards (refer to hinge and earpiece are open direction) when rotating, summit 701 withstands on the pad 201 of guide pin bushing 20, movable stamen 10 is outwards pulled out, because concave point 502 blocks neck ditch 203 and locking plate 101 blocks spring 30 and back-up ring 40, the strength of spring 30 promptly forms the friction force on summit 701; Because the summit 701 of titanium alloy material easily wears away, therefore adopt the pad 201 of low-friction coefficient, can reduce the abrasion on summit, prolong the life-span of spring hinge.

Please referring to shown in Figure 7, after centre drawer hinge 70 inside (referring to that hinge and earpiece are closing direction) rotated to peak, spring 30 retracted original position with movable stamen 10, formed the position of centre drawer hinge 70 bendings 90 degree; When gathering sill 205 packs into the flat profile of movable stamen 10, the function that movable stamen 10 is promptly had guiding, and when guide pin bushing 20 being put in the slotted hole 501 of earpieces 50, the right cylinder 202 of guide pin bushing 20 is subject to slotted hole 501 internal diameters, and gathering sill 205 promptly forms the effect that movable stamen 10 flat sidewalls is had support, has effectively increased stability when spring hinge is movable to be shifted.

Please referring to shown in Figure 8, guide pin bushing 20 by pad 20a, right cylinder 20b, neck ditch 20c, center pit 20d, and guide slot 20e formed.

Please, wherein include movable stamen 10, guide pin bushing 20, spring 30, hinge box 80, earpiece 50, screw 60 and centre drawer hinge 70 and form referring to shown in Figure 9;

Please referring to Fig. 9,10,11, shown in 12, the axle stamen 10a of movable stamen 10 is pierced in the center pit 20d of guide pin bushing 20, and the orientation back of the body 10b of movable stamen 10 is contained in the guide slot 20e of guide pin bushing 20, load onto spring 30 then and form assembly (as shown in figure 10), tail end riveting with axle stamen 10a becomes scotch 10c again, formation activity stamen 10 and accessory combination (as shown in figure 11), movable stamen 10 is put in the deep hole 80a of hinge box 80 with the accessory combination, make a call to a concave point 80b in the appropriate position of hinge box 80 appearances then, this concave point 80b blocks the neck ditch 20c of guide pin bushing 20, as the positioning function (as shown in figure 12) of whole group activity stamen.

Please,, earpiece 50 is stretched out little by little block guide pin bushing 20, and earpiece 50 is welded in the bottom surface of hinge box 80 in order to prevent guide pin bushing 20 and movable stamen 10 groups of off normal or rotations in hinge box 80 referring to shown in Figure 13,14.

Please, centre drawer hinge 70 is welded on the frame 90, and loads onto movable stamen 10 combinations, lock with screw 60 then referring to shown in Figure 15.

Please referring to shown in Figure 16,17,18,19, earpiece 50 and hinge box 80 are when rotated, the summit 70a of titanium alloy material centre drawer hinge 70 and the pad 20a of guide pin bushing 20 friction, because copper-nickel alloy material or stainless steel manufacturing that guide pin bushing 20 uses than low-friction coefficient, effectively reduce the abrasion of titanium alloy centre drawer hinge summit 70a, increased the serviceable life of product.

Please referring to shown in Figure 8, the guide pin bushing 20 of the utility model second embodiment is only monolateral to be milled with a guide slot 20e, so the structural strength of guide pin bushing 20 circumference is better than the guide pin bushing 20 of first embodiment again, guide pin bushing 20 and pad 20a be crushed the distortion chance less.Improve the first embodiment guide pin bushing 20 and cut open the shortcoming that gathering sill 205 back formation opening shapes cause the not good distortion that easily is crushed of round garden structural strength.And need not process gathering sill 205 (gathering sill 205 needs drilling deep hole) owing to cooperate the hinge box 80 of guide pin bushing 20 to make, therefore reducing manufacturing procedure has reduced manufacturing cost, and because earpiece 50 and hinge box 80 can separately be made, forming the spring hinge group can produce in a large number in standardization, form the standardization external member, after mixing the earpiece 50 of various styles and spectacle-frame 90 welding, promptly can change and also spend more sample and have spring hinge functional eyeglasses product.

In sum, after describing preferred embodiment of the present utility model in detail, be familiar with this technology personage and can clearly understand, do not breaking away under the technical solution of the utility model scope and the spirit, can carry out various variations and change, and not be subject to the embodiment of the embodiment of instructions.

Claims (3)

1, a kind of guide pin bushing that the pad function is arranged of spring hinge for spectacles, it is characterized in that this guide pin bushing is a right cylinder, one center pit is arranged in this right cylinder, the axle stamen of the movable stamen of the spring hinge of glasses passes this center pit, external diameter one end has a neck ditch, the other end is then cut a gathering sill open from the center, the both sides tail end of the gathering sill shim liner of respectively ining succession.

2. the guide pin bushing that the pad function is arranged of spring hinge for spectacles according to claim 1 is characterized in that pad is a  shape shim liner.

3. the guide pin bushing that the pad function is arranged of spring hinge for spectacles according to claim 1 is characterized in that guide pin bushing is aldary material, stainless steel or engineering plastic manufacturing.

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