JP2012058444A - Hinge with spring for spectacle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge with a spring for spectacles, which can assemble a screw shaft journaling/coupling a hinge member by simple work, without using a special jig for holding a coil spring to be assembled to the hinge in a compressed state.SOLUTION: A supporting piece 16 of a spring storage member 6 storing a coil spring 7 in a hollow portion 18 is inserted in a through hole 13 and arranged along the inside of a coupling plate piece 12, and the coil spring 7 is compressed to be stored and held in the through hole 13. A projecting piece 20 is engaged with the through hole 13 to abut on and lock to a rear end surface 13b, and an outside plate piece 17 is arranged along the outside of the coupling plate piece 12. Therefore, the coupling member 5 and the spring storage member 6 compress the coil spring 7 to be assembled so as to relatively slide in an axial direction.

Description

  The present invention relates to a spectacles spring in which an armor and a temple of a spectacle frame are connected to each other so as to be relatively rotatable, and the temple is biased in a closing direction with respect to the armor by a spring means when the temple expands outward when mounted. It is about a hinge with a hinge.

  This type of hinge with a spring has been adopted to eliminate the inconvenience such as the eyeglass frame being displaced from the mounting position or falling off, and various types of hinges have been proposed (for example, Patent Documents 1 to 3). 4).

  However, many of the conventional hinges with springs have a complicated structure, a large number of components, and require labor for processing and assembly. Especially, the hinge member on the armor side and the hinge member on the temple side can be rotated freely. When assembling the screw shaft to be pivotally connected, in order to keep the coil spring to be incorporated in the hinge in a compressed state, it is required to be assembled using a special jig, and the skill level and the detailed work are required.

  The present invention solves the above-described problems of the conventional hinge with a spring, and without using a special jig to hold the coil spring incorporated in the hinge in a compressed state, like a normal hinge, It is an object of the present invention to provide a hinge with a spring for spectacles in which a screw shaft for pivotally connecting a hinge member on the armor side and a hinge member on the temple side can be assembled by a simple operation.

  In order to solve the above-mentioned problem, the present invention relates to a pair of eyeglass frames and a temple that are pivotably connected to each other, and when the temple expands outward during mounting, the temple is attached to the armature by spring means. A hinge with a spring for spectacles that urges toward the closing direction, and the connecting member connected to the tip of the temple has a long and thin plate-like connecting plate piece at the front end portion. A laterally long through hole extending in the axial direction of the temple is provided, and a spring accommodating member assembled to the connecting plate piece is inserted into the through hole and is provided along the inner side of the connecting plate piece. The outer plate piece having one end fixed to the rear portion of the support piece, extending in parallel with the support piece at an interval equal to the thickness of the connecting plate piece, and disposed along the outside of the connecting plate piece. And the support piece A hollow portion for accommodating a coil spring is formed between the outer plate piece, a front end portion of the support portion piece extends forward from the outer plate piece, and an insertion hole for a screw shaft that is pivotally connected to the armor is provided. A projecting piece having a thickness equal to that of the connecting plate piece and extending on the same line as the hollow portion is provided at a rear end portion of the support piece, and the coil spring is accommodated in the hollow portion. The support piece of the spring accommodating member is inserted into the through hole and disposed along the inside of the connecting plate piece, the coil spring is compressed and accommodated in the through hole, and the protruding piece is The coil spring is engaged with the connecting plate piece and the connecting plate piece by engaging the through hole with the rear end surface of the through hole and locking the outer plate piece along the outside of the connecting plate piece. And being surrounded and held by a spring housing member, And the spring housing member are assembled so as to be relatively slidable in the axial direction by further compressing the coil spring against the urging force, and in the assembled state, the protruding piece is the through hole. By abutting and locking to the rear end surface, the biasing force of the coil spring keeps the front end surface of the connecting plate piece and the axis of the screw shaft insertion hole of the support piece at a constant distance. The connecting member is inserted into an attachment hole provided in the temple and extending in the axial direction, and a rear end portion of the connection plate piece and the protruding piece of the spring accommodating member are inserted into a front end opening portion of the attachment hole. It is fixedly connected to the temple in an inclined position, the front end surface of the connecting plate piece is brought into contact with the pressing surface of the armor, and the screw shaft insertion hole of the armor and the screw shaft insertion hole of the support piece are positioned. In the state where the two insertion holes When the armature and the support piece are connected to each other so as to be rotatable relative to each other, the temple expands further outward from the fully open state around the screw shaft with respect to the armor. Against the biasing force of the coil spring, the connecting member and the temple are integrally retracted in the axial direction to compress the coil spring, and the temple is moved by the elastic force of the compressed coil spring. It is the structure urged | biased in the direction closed with respect to the said alloy.

  According to a second aspect of the present invention, the front end surface of the connecting plate piece is formed in parallel or on the same plane as the axis of the screw shaft insertion hole of the support portion piece, and the pressing surface of the armor is The screw shaft insertion holes are formed in parallel or on the same plane as the screw shaft insertion holes, and the screw shaft insertion holes are positioned on the same axis when the front end surface is brought into contact with the pressing surface. .

  According to a third aspect of the present invention, a pair of guide protrusions extending in parallel with the through-holes are provided along both upper and lower side edges of the connecting plate piece, and the outer plate piece of the spring accommodating member is the both guides. It is arranged to be engaged with the ridge.

  According to the present invention having the above-described configuration, the support piece of the spring housing member that is sandwiched and accommodated in the coil spring is inserted into the through hole, and the coil spring is compressed and accommodated and held in the through hole. With the projecting piece engaged with the through hole and abuttingly locked to the rear end surface of the through hole, the rear end portion of the connecting plate piece and the projecting piece are inserted into the front end opening of the temple. Since it is fixed, the spring accommodating member can be assembled to the connecting plate piece in a stable posture without rattling by sandwiching the connecting plate piece from both sides with the support piece and the outer piece. it can. And since the distance between the axis of the screw shaft insertion hole of the support portion piece serving as the temple-side hinge member and the front end surface of the connecting plate piece is ensured, the screw shaft serving as the armature-side hinge member Positioning with respect to the insertion hole and insertion of the screw shaft can be easily performed in the same manner as a normal hinge without using a special jig. Therefore, the assembly operation of the spring hinge does not require skill and can be performed very easily.

  Further, since the incorporated coil spring is surrounded and held in a stable posture by being surrounded by the spring accommodating member and the connecting plate piece, there is no inconvenience such as dropping off.

  Furthermore, a decorative effect can be heightened by giving a various pattern and shape to the surface of the said outer side piece of the said spring accommodating member arrange | positioned along the outer side of the said connection board piece.

  According to the invention which concerns on Claim 2, the screw shaft insertion hole of the said support part piece which is a hinge member of a temple side, and the armor side only by making the front end surface of the said connection plate piece contact | abut to the pressing surface of the said armor Since the screw shaft insertion hole of the armor that is the hinge member is positioned, the assembling work is further facilitated.

  According to the invention which concerns on Claim 3, the said outer side plate piece of the said spring accommodation member is arrange | positioned by engaging with a pair of guide protrusion which protruded along the outer side upper and lower both-sides edge of the said connection plate piece. Therefore, the spring accommodating member can be assembled in a more stable posture with respect to the connecting plate piece. In addition, since the pair of guide protrusions add a strong accent to the outer plate piece having a decorative pattern on the surface, the decorative effect can be further enhanced.

It is a side view of spectacles provided with the hinge with a spring concerning the present invention. It is a partially omitted plan view of the same glasses. It is a disassembled perspective view of the hinge with a spring which concerns on this invention. It is explanatory drawing of the process of accommodating a coil spring in the spring accommodating member of a hinge with a spring same as the above. It is explanatory drawing of the process of assembling | attaching the said spring accommodating member which accommodated the said coil spring of the hinge with a spring same as the above to a connection member. It is explanatory drawing of the process of inserting the said connection member which assembled | attached the said spring accommodation member which accommodated the coil spring same as the above in the front-end | tip opening part of a temple. It is explanatory drawing of the process of fixedly connecting the said connection member to the said temple same as the above. It is explanatory drawing of the process of pivotally connecting the said spring accommodating member assembled | attached to the said connection member fixedly connected to the said temple to the armature so that rotation is possible. It is a principal part expanded sectional view which shows the state which the said temple opened fully with respect to the said armor of the spectacles provided with the hinge with a spring which concerns on this invention. It is a principal part expanded sectional view which shows the state which the said temple shown in FIG. 9 expanded further outside from the full open state.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 and FIG. 2 show spectacles equipped with a spring hinge according to the present invention. The armor 2 and the temple 3 integrally connected and fixed to the end of the lens frame 1 are a spring hinge according to the present invention. 4 are connected to each other so as to be relatively rotatable.

  As shown in FIG. 3, the spring-equipped hinge 4 includes a connecting member 5 connected to the distal end portion of the temple 3, a spring accommodating member 6 assembled to the connecting member 5, and a coil accommodated in the spring accommodating member 6. The spring 7 is a main component.

  In the connecting member 5, an elongated flat plate-like connecting plate piece 12 is integrally formed at a front end portion of a rod-like main body 11 that is fixedly connected by being inserted into a mounting hole 8 that is tapered toward the rear end and is provided in the temple 3. It is connected to. The connecting plate piece 12 is provided with a horizontally long through hole 13 extending in the axial direction of the temple 3. A pair of guide protrusions 14 and 14 are provided so as to extend along the outer upper and lower side edges of the connecting plate piece 12 to the front end face 15 in parallel with the through hole 13.

  As will be described later, the spring accommodating member 6 is inserted into the through-hole 13 and is arranged along the inner side of the connecting plate piece 12, and one end is fixed to the rear part of the supporting piece 16 and connected. The support piece 16 includes an outer plate piece 17 that extends in parallel with the support piece 16 at an interval equal to the thickness of the plate piece 12 and is disposed along the outside of the connecting plate piece 12. A hollow portion 18 is formed between the plate piece 17 and the coil spring 7 so as to be accommodated therebetween. The front end portion of the support piece 16 extends forward from the outer plate piece 17 and is provided with an insertion hole 19 of a screw shaft 25 pivotally connected to the armor 2 to form a hinge eye on the temple 3 side. Further, at the rear end portion of the support portion piece 16, a protruding piece 20 having a thickness equal to or slightly thinner than the thickness of the connecting plate piece 12 and extending rearward on the same axis as the hollow portion 18 integrally protrudes. It is installed. The surface of the outer plate 17 can be given various patterns and shapes 30 to enhance the decorative effect.

  On the other hand, the armor 2 is provided with a pressing surface 22 that is in contact with the front end surface 15 of the connecting plate piece 12 at the rear end of the main body 21 bent in an L shape, and is connected to the rear end of the main body 21 in a projecting manner. An insertion hole 24 for the screw shaft 25 is provided in the portion 23 to form a hinge eye on the side of the alloy 2.

  Next, an assembling process of the spring hinge 4 composed of the above components will be described.

  FIG. 4 shows an operation process of housing the coil spring 7 in the spring housing member 6. The coil spring 7 is inserted into the hollow portion 18 and sandwiched between the support piece 16 and the outer plate piece 17. Be contained. Thus, the spring accommodating member 6 accommodating the coil spring 7 is arranged along the inner side of the connecting plate piece 12 by inserting the support piece 16 into the through hole 13 of the connecting plate piece 12 as shown in FIG. The coil spring 7 is brought into contact with the front end surface 13 a of the through hole 13 and compressed to be accommodated and held in the through hole 13, and the protruding piece 20 is engaged with the through hole 13 and the rear end surface of the through hole 13 The outer side plate piece 17 is disposed along the outer side of the connecting plate piece 12 so as to be brought into contact with and locked to 13b. When the spring accommodating member 6 is assembled to the connecting plate piece 12 of the connecting member 5 in this way, the coil spring 7 is surrounded and held by the connecting plate piece 12 and the spring accommodating member 6, so that the coil spring 7 is unexpected. Will not fall off. Further, although the connecting member 5 and the spring housing member 6 can be relatively slid in the axial direction by further compressing the coil spring 7 against the biasing force, in the above-described assembled state, the protruding piece 20 is The distance between the front end face 15 of the connecting plate piece 12 and the axis of the screw shaft insertion hole 19 of the support piece 16 is constant due to the urging force of the coil spring 7 by being abutted and locked to the rear end face of the through hole 13. It is kept in. In the illustrated embodiment, the front end face 15 of the connecting plate piece 12 is set on the same plane as the axis of the screw shaft insertion hole 19 of the support piece 16 to ensure a certain distance.

  Next, as shown in FIG. 6, the connecting member 5 assembled with the spring housing member 6 is inserted into the mounting hole 8 of the temple 3 as shown in FIG. 6, and the rear end portion of the connecting plate piece 12 and the spring are inserted. The protruding piece 20 of the housing member 6 is inserted into the tip opening 8 a of the mounting hole 8. Then, after the screw hole 27 provided in the front end portion of the rod-shaped main body 11 is inserted to a predetermined position matching the stop hole 28 provided in the vicinity of the tip of the temple 3, as shown in FIG. The connecting member 5 is fixedly connected to the temple 3 by being screwed into the screw hole 27.

  The connecting member 5 fixedly connected to the temple 3 as described above is pivotally connected to the armor 2 via the screw shaft 25 as shown in FIG. At this time, the pressing surface 22 of the armor 2 is set in advance on the same plane as the axis of the screw shaft insertion hole 24. Therefore, when the front end surface 15 of the connecting piece 12 is brought into contact with the pressing surface 22 of the armor 2, the screw shaft insertion hole 24 of the armor 2 and the screw shaft insertion hole 19 of the support piece 16 are positioned on the same axis. Therefore, the screw shaft 25 can be easily inserted and screwed in the same manner as a normal hinge without using a special jig. Therefore, the assembling work of the spring-loaded hinge 4 does not require skill and is extremely easy.

  FIG. 9 is an enlarged view of a main part of the spectacles equipped with the spring hinge 4 according to the present invention when the spectacles are fully opened with the temple 3 fully opened.

  FIG. 10 is an enlarged view of the main part of the state where the temple 3 is further expanded outward from the fully open state shown in FIG. 9 with respect to the armor 2 around the screw shaft 25. Against the biasing force of the spring 7, as shown by the arrow A, the connecting member 5 (the connecting plate piece 12 and the rod-shaped main body 11) and the temple 3 integrally move backward in the axial direction to further compress the coil spring 7. The temple 3 is biased in the closing direction (arrow B) with respect to the armor 2 by the compressed elastic force. Therefore, there is no fear that the spectacle frame is displaced from the mounting position or falls off.

DESCRIPTION OF SYMBOLS 1 Lens frame 2 Yoroi 3 Temple 4 Hinge with spring 5 Connection member 6 Spring accommodating member 7 Coil spring 8 Mounting hole 11 Rod-shaped main body 12 Connection plate piece 13 Through-hole 14 Guide protrusion 15 Front end surface 16 Support part piece 17 Outer plate piece 18 Hollow portion 19 Screw shaft insertion hole 20 Protruding piece 21 Yoroi body 22 Press surface 23 Connecting portion 24 Screw shaft insertion hole 25 Screw shaft 27 Screw hole 28 Stop hole 29 Set screw 30 Pattern, shape

JP-A-3-171031 Japanese Utility Model Publication No. 5-33121 Japanese Utility Model Publication No. 44-11479 Japanese Patent No. 3035510

Claims (3)

A spectacles spring is provided that connects the eyelid and temple of the spectacle frame so as to be relatively rotatable, and when the temple expands outward when mounted, the temple is urged in a closing direction with respect to the armor by a spring means. A hinge,
The connecting member (5) connected to the tip of the temple (3) has an elongated flat plate-like connecting plate piece (12) at the front end portion, and the connecting plate piece (12) includes the temple (3). A horizontally long through hole (13) extending in the axial direction of
The spring accommodating member (6) assembled to the connecting plate piece (12) is inserted into the through hole (13) and is provided along the inner side of the connecting plate piece (12). One end is fixed to the rear part of the support piece (16), and extends in parallel with the support piece (16) at an interval equal to the thickness of the connection plate piece (12). And a hollow portion (18) for accommodating a coil spring between the support piece (16) and the outer plate piece (17). A front end portion of the support piece (16) is formed so as to extend forward from the outer plate piece (17), and is provided with an insertion hole (19) for a screw shaft (25) that is pivotally connected to the armor (2). The rear end portion of the support piece (16) has the same thickness as the connecting plate piece (12), and the hollow portion 18) and extending on the same line projecting piece (20) is provided,
The support portion piece (16) of the spring accommodating member (6) in which the coil spring (7) is accommodated in the hollow portion (18) is inserted into the through hole (13), and the inside of the connecting plate piece (12). And the coil spring (7) is compressed and accommodated and held in the through hole (13), and the projecting piece (20) is engaged with the through hole (13). (13) The coil spring (7) is placed in contact with the rear end surface (13b) and the outer plate piece (17) is disposed along the outer side of the connecting plate piece (12). The connecting plate piece (12) and the spring accommodating member (6) are surrounded and held, and the connecting member (5) and the spring accommodating member (6) bias the coil spring (7). Can be slidable in the axial direction by further compressing against In the assembled state, the projecting piece (20) is brought into contact with and locked to the rear end surface (13b) of the through hole (13), so that the connecting plate is urged by the urging force of the coil spring (7). The front end face (15) of the piece (12) and the axis of the screw shaft insertion hole (19) of the support piece (16) are kept at a constant distance,
The connecting member (5) is inserted into an attachment hole (8) extending in the axial direction provided in the temple (3), and the rear end portion of the connecting plate piece (12) and the spring accommodating member (6). The protruding piece (20) is fixedly connected to the temple (3) in a posture in which the protruding piece (20) is inserted into the tip opening (8a) of the mounting hole (8).
The front end surface (15) of the connecting plate piece (12) is brought into contact with the pressing surface (22) of the armor (2) so that the screw shaft insertion hole (24) of the armor (2) and the support piece ( 16) With the screw shaft insertion hole (19) positioned, the screw shaft (25) is inserted into the both insertion holes (19, 24), and the armor (2) and the support piece (16) are inserted. And are relatively pivotally connected,
When the temple (3) expands further outward from the fully open state around the screw shaft (25) with respect to the armor (2), the coupling (3) resists the biasing force of the coil spring (7). The member (5) and the temple (3) are integrally retracted in the axial direction to compress the coil spring (7), and the temple (3) is compressed by the elastic force of the compressed coil spring (7). A hinge with a spring for spectacles, wherein the hinge is biased in the closing direction with respect to the armor (2).   A front end face (15) of the connecting plate piece (12) is formed in parallel or on the same plane as the axis of the screw shaft insertion hole (19) of the support piece (16), and the alloy (2). The pressing surface (22) is formed in parallel or on the same plane as the axis of the screw shaft insertion hole (24) of the armor (2), and the front end surface (15) is brought into contact with the pressing surface (22). The hinge with spring for spectacles according to claim 1, wherein the screw shaft insertion holes (19, 24) are positioned on the same axis.   A pair of guide protrusions (14, 14) extending in parallel with the through-holes are provided along both upper and lower side edges of the connecting plate piece (12), and the outer plate piece (6) of the spring accommodating member (6) is provided. 17. The hinge with spring for spectacles according to claim 1, wherein 17) is arranged to engage with both guide protrusions (14, 14).

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