The eyeglasses temple arm structure of band spring assembly
[technical field]
The utility model relates to glasses, particularly relates to a kind of eyeglasses temple arm structure with spring assembly.
[background technology]
Glasses are the important daily necessitiess of people, and according to different purposes, glasses can be divided into near-sighted glasses, sunglasses etc. again.Just as known, traditional eyewear comprises eyeglass, picture frame, mirror leg, nose holder, and described picture frame is rotatably connected by connector and the mirror leg through its outside.Because the mirror leg of traditional eyewear upon deployment, the connecting portion bit position relative fixed of the connector of itself and picture frame can only inwardly or outwards be broken connector off with the fingers and thumb by manual, or the crooked radian of manual adjustment mirror leg, adapting to wearer's shape of face, thereby make troubles for the user.
[summary of the invention]
The purpose of this utility model is to provide between a kind of connector of picture frame and the mirror leg and can relatively rotates, and makes the mirror leg can adapt to the eyeglasses temple arm structure of band spring assembly of wearer's shape of face automatically.
For achieving the above object, the utility model provides a kind of eyeglasses temple arm structure with spring assembly, comprise the mirror leg and be located at the connector in the picture frame outside, it is characterized in that, the link of described mirror leg is provided with first connecting portion, the link of described connector and mirror leg is provided with and corresponding second connecting portion of the first connecting portion shape, and described second connecting portion and connector are hinged, and is being connected with spring assembly between mirror leg outside first connecting portion and second connecting portion and connector.
Described second connecting portion is a blocks, its two ends respectively are provided with first connecting hole and second connecting hole, and first connecting hole by two ends and second connecting hole respectively with connector and mirror leg on first connecting portion be hinged, be provided with first slot in described second connecting portion outside, be respectively equipped with first through hole on two walls of this first slot, its inside is provided with first limited step.
Described first connecting portion is integrally formed at mirror leg end, the other end of this first connecting portion is provided with the 3rd connecting hole, described first connecting portion outside is provided with second slot, establishes on two walls of this second slot and is respectively equipped with second through hole, and its inside is provided with second limited step.
Described spring assembly comprises first spring base, spring and second spring base, and described spring is connected in the middle of first spring base and second spring base, make the mirror leg can first connecting portion and the pin joint of second connecting portion be that fulcrum rotates.
Described first spring base is a rhabodoid, which is provided with Plug Division, first limiting section and the 3rd connecting portion, this first spring base is provided with axial jack, described the 3rd connecting portion is the rectangular block shape body that is positioned at the first spring base end, the 3rd connecting portion is provided with third through-hole, described first limiting section is made of first spacing preiection and second spacing preiection of the ring-type that is provided with at interval, and described first spring base is fixed in first slot of described first connecting portion by pin.
Described second spring base is a rhabodoid, which is provided with the 4th connecting portion, second limiting section and shank, described the 4th connecting portion is the rectangular block shape body that is positioned at the second spring base end, the 4th connecting portion is provided with fourth hole, described second limiting section is provided with the 3rd spacing preiection of ring-type, and described second spring base is fixed in second slot of described mirror leg by pin.
Described spring housing is located between the 3rd spacing preiection of second spacing preiection of first spring base and second spring base.
Good effect of the present utility model is, owing between the connector of picture frame and mirror leg, be provided with spring assembly, make not only can relatively rotate between connector and the mirror leg, and regulate the amplitude of its rotation by spring, make the mirror leg can adapt to wearer's shape of face and comfortable wearing automatically.Characteristics such as the utility model also has easy assembling and replacing, and is easy to use, with low cost.
[description of drawings]
Fig. 1 is an one-piece construction synoptic diagram of the present utility model, and wherein Figure 1A is a vertical view, and Figure 1B is a right view.
Fig. 2 is a mirror leg structural representation of the present utility model, and wherein, Fig. 2 A is the connection diagram of mirror leg and spring assembly, and Fig. 2 B is the decomposing schematic representation of Fig. 2 A, and Fig. 2 C is another decomposing schematic representation of Fig. 2 A.
[embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
Consult Figure 1A, 1B, the eyeglasses temple arm structure of band spring assembly of the present utility model comprises the connector 20 of mirror leg 10, picture frame, spring assembly 30.As Figure 1A, 2A, 2B, the link of described mirror leg 10 is provided with first connecting portion 11, described connector 20 is provided with and corresponding second connecting portion 21 of the first connecting portion shape with the link of mirror leg, described second connecting portion 21 is hinged with connector 20, is being connected with spring assembly 30 between the mirror leg 10 in first connecting portion 11 and second connecting portion, 21 outsides and connector 21.
As Fig. 2 A~2C, described second connecting portion 21 is the deltiod blocks, its two ends respectively are provided with one first connecting hole 213 and second connecting hole 214, described second connecting portion 21 outsides are provided with first slot vertically, this first slot 211 extends to the other end by an end of second connecting portion, be provided with first limited step 2111 in first slot 211, this first limited step 2111 is positioned at described first slot 211 middle parts.Described first slot 211 is provided with corresponding first through hole 212 near two walls of an end of first connecting hole 213.One end of described second connecting portion 21 is hinged by screw and mirror leg 10, and its other end is hinged by screw and connector 20, makes the two ends of second connecting portion 21 to rotate around two pin joints respectively.Described first connecting portion 11 is the deltiod blocks, be integrally formed in the link of mirror leg 10, one end of this first connecting portion 11 is provided with second connecting hole 113, make the mirror leg be hinged by this second connecting hole 113 and second connecting portion 21, and can first connecting portion 11 and second connecting portion, 21 pin joints be that fulcrum rotates.Described first connecting portion 11 outsides are provided with second slot 111 vertically, this second slot 111 extends to the other end by an end of first connecting portion, be provided with second limited step 1111 in described second slot 111, this second limited step 1111 is positioned at the middle part of second slot 111.Described second slot 111 is provided with corresponding second through hole 121 near two walls of mirror leg one end.
As Fig. 2 C, described spring assembly 30 comprises first spring base 31, spring 32 and second spring base 33.Described first spring base 31 comprises the 3rd connecting portion 313, first limiting section 312 and Plug Division 311, described the 3rd connecting portion 313 is the rectangular block shape bodies that are positioned at first spring base, 31 1 ends, which is provided with that but supply and marketing nail passes and with described second connecting portion 21 on first through hole, 212 corresponding third through-holes 3131, described first limiting section 312 is positioned at the middle part of first spring base 31, this first limiting section 312 is to be made of first spacing preiection 3121 of the ring-type that separate to be provided with and second spacing preiection 3122 and the recess 3123 that is positioned between the two, described Plug Division 311 is the annular rhabodoids that are positioned at first spring base, 31 the other end, which is provided with axial jack 315, this axial jack 315 is extended in described first limiting section 312 by an end of Plug Division 311.Described second spring base 33 comprises the 4th connecting portion 331, second limiting section 332 and shank 333, described the 4th connecting portion 331 is the rectangular block shape bodies that are positioned at second spring base, 33 1 ends, but which is provided with that supply and marketing nail penetrates and with described first connecting portion 11 on second through hole, 121 corresponding fourth holes 3311.Described second limiting section 332 is positioned at the middle part of second spring base 33, and this second limiting section 332 is provided with the 3rd spacing preiection 3321 being positioned at the 4th connecting portion 331 1 ends, and its other end is a ring-shaped step 3322.Described shank 333 is positioned at the other end of second spring base 33, and the maximum gauge of this shank 333 is slightly less than the axial jack 315 on described first spring base 31, and shank 333 can be inserted in first spring base 31.Described spring 32 is common stage clip, and this spring 32 is sheathed between the 3rd spacing preiection 334 of second spacing preiection 3122 of first spring base 31 and second spring base 33.
One end of described second connecting portion 11 and the link of mirror leg 10 are hinged by screw, the other end of second connecting portion 11 and the connector of picture frame 20 are hinged, described spring assembly 30 is inserted in described second slot 211 and the 3rd slot 111, and it is fixed in the groove by pin, this moment described spring assembly 30 first spring base 31 and second slot 111 of first slot 211 that second spring base 33 places described second connecting portion 21 respectively and first connecting portion 11 in, make the 3rd spacing preiection 3321 of first spacing preiection 3121 of described first spring base 31 and second spring base 33 abut against respectively on first limited step 2111 and second limited step 1111 in second slot 111 in described first slot 211.