CN218647248U - Spectacle arm - Google Patents

Abstract

The utility model provides a glasses leg belongs to glasses accessories technical field. It has solved the problem that joint strength is low between current earpiece and the spectacle-frame. This earpiece, including the foot body, link firmly the catapult subassembly on the foot body and with catapult subassembly looks articulated elements, the articulated elements have to lean on the face and two and lean on the face of being connected and the face of being parallel to each other of leaning on, seted up the weld groove on the articulated elements, and the weld groove runs through to lean on face and at least one and connect the face. This earpiece is through filling up the contact surface between multiplicable brazing filler metal cream and the weld part with the brazing filler metal cream, and the contact surface specifically has the one side of weld groove, the bottom surface of weld groove and the both sides face of weld groove for the weld part, compares in prior art, and what this earpiece and spectacle-frame between leans on the face has more the both sides face of weld groove than prior art to make and realize brazing the joint strength after fixing between articulated elements and spectacle-frame stronger more reliable.

Description

Spectacle arm

Technical Field

The utility model belongs to the technical field of glasses accessories, especially, relate to earpiece.

Background

The glasses have the function of correcting eyesight or protecting eyes, and along with the rising of the number of people with myopia and the popularity of various decorative glasses, the glasses become more and more necessities of people's life, and the requirements of people on the beauty, convenience, wearing comfort and the like of the glasses are higher and higher.

The existing spectacle frame generally comprises a spectacle frame and spectacle legs, the spectacle legs are ensured to be kept stable at positions when the spectacle frames are opened or retracted by arranging a slingshot component between the spectacle frame and the spectacle legs, the slingshot component is fixed to the spectacle legs through brazing generally, a hinge piece is hinged to one end of the slingshot component, a leaning surface capable of leaning against the spectacle frame is arranged on the hinge piece, the leaning surface leans against the spectacle frame through the leaning surface, and gap welding is formed after the leaning against between the hinge piece and the spectacle frame through brazing, so that the fixed connection between the spectacle frame and the spectacle legs is realized. An elastic hinge for glasses, such as patent No. CN201220659625.5, comprises a hinge head, a spring core and a slingshot shell, wherein the spring core is installed in the slingshot shell, and is characterized in that at least one single tooth in a sheet shape is arranged at the end face of the slingshot shell with one end of an installation hole along the axial direction of the spring core, at least one hinge piece is arranged at the hinge joint of the hinge head, the outer end of the spring core is provided with a hinge end and is hinged with the hinge piece of the hinge head through a pin shaft, and the outer side face of the hinge piece is attached to the inner side face of the single tooth.

However, the hinge joint in the elastic hinge for glasses and the hinge joints in other prior art are usually relatively small, so that the hinge joint and the glasses frame can be easily disconnected after the glasses are used for a long time or after the glasses are collided, however, if the welding strength between the hinge joint and the glasses frame is to be enhanced, the welding strength is usually enhanced by increasing the contact area between the hinge joint and the glasses frame, but the abutting area between the hinge joint and the glasses frame can enhance the connection strength between the hinge joint and the glasses frame, but the hinge joint becomes large in size, so that the cost is increased, and the aesthetic degree is greatly reduced.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide the earpiece, solved the problem that joint strength is low between current earpiece and the spectacle-frame.

The purpose of the utility model can be realized by the following technical proposal:

earpiece, including the foot body, link firmly the catapult subassembly on the foot body and with catapult subassembly looks articulated elements, the articulated elements have and lean on face and two and lean on the face of being connected and the face of being connected that is parallel to each other, its characterized in that, the articulated elements on seted up the weld groove, and the weld groove runs through and leans on face and at least one the connection face.

Specifically, be fixed in the foot body through the catapult subassembly brazing, make the articulated elements articulate in the one end of catapult subassembly again, thereby it is fixed to accomplish the installation of this catapult subassembly on the foot body, because the articulated elements have to lean on the face (specific should lean on the face be in the background art with the spectacle-frame counterbalance support the face of leaning on), and set up simultaneously and run through the weld groove of leaning on face and at least one connection face on the articulated elements, so when articulated elements and spectacle-frame looks brazed connection, paste the face of leaning on the articulated elements and spectacle-frame closely earlier and lean on, rethread heating braze paste makes the braze paste melt and is liquid brazing filler metal and make liquid brazing filler metal fill along the gap that the connection face and spectacle-frame counterbalance were leaned on, and make liquid brazing filler metal flow in the weld groove notch that runs through the processing face and fill the notch of weld groove, thereby accomplish the braze welding connection between articulated elements and the spectacle-frame after liquid brazing filler metal solidifies, thereby make and form fixedly between articulated elements and the spectacle-frame. Thereby can increase the solder paste and lean on the contact surface between the face through filling up the solder paste with the solder bath, the contact surface specifically is for leaning on the face, the bottom surface in solder bath and the both sides face in solder bath, compares in prior art, and the face of leaning on between this earpiece and the spectacle-frame has more the both sides face in solder bath than prior art to make the joint strength after realizing brazing between articulated elements and the spectacle-frame and fixing stronger more reliable.

In the above earpiece, the number of the welding grooves is at least two and the welding grooves are evenly distributed on the leaning surface.

Through setting up the welding contact surface between the increasement articulated elements that a plurality of welding grooves can be further and the spectacle-frame to further promotion the welding strength between articulated elements and the spectacle-frame, and each even distribution in welding groove with support to the face on, can make articulated elements and spectacle-frame after the welding, the atress that acts on welding position department is more even, thereby makes the welded fastening between welding piece and the spectacle-frame more stable.

In the above earpiece, each of the welding grooves is in a long strip shape, and the welding groove penetrates through the two connecting surfaces simultaneously.

Specifically, the welding groove is long banding groove, and the one end in welding groove runs through a connection face, and the welding groove other end runs through another connection face, and when the welding, through making solder paste fill two respectively and connect the seam between face and the spectacle-frame and thereby welding groove accomplishes the welded fastening between articulated elements and the spectacle-frame, runs through two respectively through welding groove both ends and connect the face to further promotion the welding strength between welding and the spectacle-frame.

In foretell earpiece, the catapult subassembly include the core and have the inner chamber and link firmly the casing on the foot body, core one end slide and set up in the casing inner chamber, the core other end stretches out the casing and has seted up mounting hole one, the articulated elements on seted up with mounting hole one assorted mounting hole two, this earpiece still including the articulated hinge pin that runs through mounting hole one and mounting hole two.

Specifically, insert core one end earlier in the casing inner chamber and make the core slide and set up in the casing, because the core other end stretches out the casing and has seted up mounting hole one, set up on the articulated elements with mounting hole assorted mounting hole two, so after the core slides and sets up in the casing, again with mounting hole two on the articulated elements with the mounting hole on the core is aligned and run through mounting hole one and mounting hole two through articulated round pin axle again to form the articulated connection between articulated elements and the core, thereby make the foot body of fixing mutually with the casing realize the swing for the pin joint.

In foretell earpiece, the core including support by the core on the casing and be arranged in the core bar of casing inner chamber, mounting hole one is seted up on the core, core and core bar between seted up the depressed groove, and have the clearance of stepping down between depressed groove cell wall and the casing.

Because the core head leans on and is equipped with the depressed groove between the position department that has accent one side in the casing and the core bar, and have the clearance of stepping down between depressed groove cell wall and the casing, so the right angle position that the side that the casing inner chamber wall and casing have the accent formed mutually can be in the clearance of stepping down, so open or close and drive the core reciprocating sliding's in-process at this earpiece, the right angle part department of casing accent department can not form the collision with the core, thereby the wearing and tearing between core and the casing have been reduced, thereby great promotion the life of this earpiece.

In the above earpiece, the concave groove is arc-shaped.

The right-angle part of the cavity outlet of the shell can be better abducted by the arc-shaped sunken groove, so that the abrasion between the core and the shell is further reduced, and the service life is greatly prolonged.

In the above earpiece, the slingshot component further comprises a limiting sleeve which is sleeved on the core bar and is axially fixed relative to the shell, an abutting column and a return spring, wherein the abutting column is fixedly connected to one end of the core bar, which is far away from the core head, and the return spring abuts between the limiting sleeve and the abutting column.

Because reset spring supports and leans on in the stop collar and support and lean on between the post, again because the stop collar is relative to the casing along axial fixity, so when the foot body for the pin joint swing and drive the outside pulling of core, support and lean on the post can be towards the direction extrusion reset spring of stop collar, loosen behind the core, thereby reset spring will lose the extrusion force orientation that supports and lean on the post and support the direction release elasticity that leans on the post to make the core reset and make the core head support again and lean on the casing.

In the above earpiece, one side of the shell facing the earpiece body is provided with a limiting part extending into the inner cavity of the shell, and one end of the limiting part is clamped with the limiting sleeve.

Specifically, after one end of the core is inserted into the inner cavity of the shell, the core rod and the limiting sleeve sleeved on the core rod are both positioned in the inner cavity of the shell, and then the limiting part is inserted into the inner cavity of the shell and clamped in the limiting sleeve to realize axial fixation of the limiting sleeve relative to the shell, so that the core rod can slide relative to the limiting sleeve along the axial direction.

Compared with the prior art, the glasses leg has the following advantages: thereby can increase the contact surface between brazing filler metal paste and the welding part through filling up the solder paste with the welding groove, the contact surface specifically has the one side in welding groove, the bottom surface in welding groove and the both sides face in welding groove for the welding part, compares in prior art, and what this earpiece and spectacle-frame leaned on between the face has more the both sides face in welding groove than prior art to make the joint strength after realizing brazing between articulated elements and the spectacle-frame stronger more reliable.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic structural view showing the cooperation of the center core, the stop collar, the return spring and the abutting post of the present invention;

fig. 5 is a schematic structural view of the hinge assembly of the present invention.

In the figure, 1, a foot body; 2. an articulation member; 2a, an abutting surface; 2b, a connecting surface; 2c, welding a groove; 2d, mounting holes II; 3. a slingshot component; 3a, a core; 3a1, a core print; 3a11 and a first mounting hole; 3a2, a concave groove; 3a3, a core rod; 3b, a shell; 3c, a limiting sleeve; 3d, a return spring; 3e, a support column; 3f, a limiting piece; 4. hinging a pin shaft; 5. and (5) yielding gaps.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 to 5, the earpiece includes an earpiece body 1 and a slingshot component 3 welded and fixed on the earpiece body 1, one end of the slingshot component 3 is hinged to a hinge member 2, specifically, a first mounting hole 3a11 is formed on a core head 3a1, a second mounting hole 2d matched with the first mounting hole 3a11 is formed on the hinge member 2, the first mounting hole 3a11 on the core head 3a1 is aligned to the second mounting hole 2d on the hinge member 2, and then the hinge pin 4 penetrates through the first mounting hole 3a11 and the second mounting hole 2d, so as to form a hinged connection between the hinge member 2 and the core 3a, and thus the earpiece body 1 fixed with the slingshot component 3 can swing relative to a hinge point. Because articulated elements 2 have to lean on the specific should of face 2a to lean on face 2a for leaning on with the spectacle-frame in the background art, and set up on the articulated elements 2 and run through simultaneously and lean on face 2a and at least one welding groove 2c of being connected face 2b, so articulated elements 2 and spectacle-frame during brazed connection mutually, lean on face 2a and spectacle-frame to paste tightly earlier on the articulated elements 2 and lean on, rethread heating braze paste makes the braze paste melt and be liquid brazing filler metal and make liquid brazing filler metal fill along connecting the gap that face 2b and spectacle-frame leaned on, and make liquid brazing filler metal flow in the welding groove 2c notch that runs through the processing face and fill the notch of welding groove 2c, thereby accomplish the brazed connection between articulated elements 2 and the spectacle-frame after liquid brazing filler metal solidifies, thereby form fixedly between articulated elements 2 and the spectacle-frame. Through filling up soldering paste with soldering groove 2c thereby can increase soldering paste and lean on the contact surface between the face 2a, the contact surface specifically is for leaning on face 2a, the bottom surface of soldering groove 2c and the both sides face of soldering groove 2c, compares in prior art, and what this earpiece and spectacle-frame leaned on between face 2a has more the both sides face of soldering groove 2c than prior art to make and realize brazing the joint strength after fixing between articulated elements 2 and the spectacle-frame stronger more reliable.

Further, as shown in fig. 1 to 5, the number of the welding grooves 2c is at least two, specifically five, and the five welding grooves 2c are uniformly distributed on the abutting surface 2 a. Through setting up the welding contact surface between the increase articulated elements 2 that five welding grooves 2c can be further and the spectacle-frame to further promotion the welding strength between articulated elements 2 and the spectacle-frame, and five even distributions of welding groove 2c with lean on face 2a, can make articulated elements 2 and spectacle-frame after the welding, the atress that acts on welding position department is more even, thereby make the welded fastening between welding piece and the spectacle-frame more stable. And, each welding groove 2c is rectangular form, and the one end in welding groove 2c runs through a connection face 2b, and the welding groove 2c other end runs through another connection face 2b, when the welding, thereby through making solder paste fill two connection faces 2b and the spectacle-frame gap between and welding groove 2c accomplishes the welded fastening between articulated elements 2 and the spectacle-frame respectively, run through two connection faces 2b respectively through welding groove 2c both ends, thereby further promotion the welding strength between welding piece and the spectacle-frame.

As shown in fig. 1 to 5, further, the slingshot component 3 includes a core 3a and a shell 3b which has an inner cavity and is fixed on the foot body 1 by soldering, one end of the core 3a is slidably disposed in the inner cavity of the shell 3b, the core 3a includes a core head 3a1 which abuts against the shell 3b and a core rod 3a3 which is located in the inner cavity of the shell 3b, a first mounting hole 3a11 is formed in the core head 3a1, a second mounting hole 2d which is matched with the first mounting hole 3a11 is formed in the hinge 2, and the earpiece further includes a hinge pin 4 which penetrates through the first mounting hole 3a11 and the second mounting hole 2 d. Specifically, insert core 3a one end earlier in the casing 3b inner chamber so that core 3a slides and sets up in casing 3b, because the other end of core 3a stretches out casing 3b and has seted up mounting hole one 3a11, set up on the articulated elements 2 with mounting hole matched with mounting hole two 2d, so after core 3a slides and sets up in casing 3b, again with mounting hole two 2d on the articulated elements 2 with the mounting hole one 3a11 on the core 3a aligns and run through mounting hole one 3a11 and mounting hole two 2d through articulated round pin axle 4, thereby form the articulated connection between articulated elements 2 and the core 3a, thereby make the foot body 1 fixed mutually with casing 3b realize the swing for the pin joint.

Further, as shown in fig. 1 to 5, a recessed groove 3a2 is formed between the position of the core head 3a1 abutting against the shell 3b and the core rod 3a3, and a yielding gap 5 is formed between the groove wall of the recessed groove 3a2 and the shell 3b, so that a right-angle part formed by the cavity wall of the inner cavity of the shell 3b and one side surface of the shell 3b with the cavity opening can be located in the yielding gap 5, and in the process that the earpiece is opened or closed and drives the core 3a to slide in a reciprocating manner, the right-angle part at the cavity opening of the shell 3b cannot collide with the core 3a, so that the abrasion between the core 3a and the shell 3b is reduced, and the service life of the earpiece is greatly prolonged. Concretely, the depressed groove 3a2 is the arc form, is the arc form through depressed groove 3a2 and can be better abdicate to the right angle part that casing 3b accent of accent to further reduction the wearing and tearing between core 3a and the casing 3b, great promotion life.

As shown in fig. 1 to 5, the slingshot component 3 further includes a limiting sleeve 3c sleeved on the core bar 3a3 and fixed axially relative to the housing 3b, an abutting column 3e screwed on one end of the core bar 3a3 far from the core 3a1, and a return spring 3d, wherein the return spring 3d abuts between the limiting sleeve 3c and the abutting column 3 e. Because reset spring 3d supports and leans on between stop collar 3c and support to prop up post 3e, because stop collar 3c is fixed along the axial for casing 3b again, so when foot body 1 swings for the pin joint and drives core 3a outwards to stimulate, support and lean on post 3e can be towards the direction extrusion reset spring 3d of stop collar 3c, loosen core 3a after, reset spring 3d will lose the extrusion force that supports and lean on post 3e thereby the orientation releases elasticity to support and lean on the direction of post 3e, thereby make core 3a reset and make core 3a1 support and lean on casing 3b again.

Further, as shown in fig. 1 to 5, a limiting member 3f extending into the inner cavity of the housing 3b is disposed on one side of the housing 3b facing the foot 1, and one end of the limiting member 3f is connected with the limiting sleeve 3c in a clamping manner. Specifically, after one end of the core 3a is inserted into the inner cavity of the housing 3b, the core rod 3a3 and the limiting sleeve 3c sleeved on the core rod 3a3 are both located in the inner cavity of the housing 3b, and then the limiting piece 3f is inserted into the inner cavity of the housing 3b and is clamped with the limiting sleeve 3c, so that the limiting sleeve 3c is axially fixed relative to the housing 3b, and therefore the core rod 3a3 can axially slide relative to the limiting sleeve 3c, more specifically, a through hole is formed in one side of the housing 3b facing the foot body 1, and the limiting piece 3f is fixed by interference fit with the through hole.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (8)

1. Glasses leg, including the foot body (1), link firmly catapult subassembly (3) on the foot body (1) and with catapult subassembly (3) articulated elements (2) mutually, articulated elements (2) have and lean on face (2 a) and two and lean on face (2 a) to be connected and the face (2 b) that is parallel to each other, its characterized in that, articulated elements (2) on seted up weld groove (2 c), and weld groove (2 c) run through and lean on face (2 a) and at least one connect face (2 b).

2. The temple according to claim 1, wherein the welding grooves (2 c) are at least two and are evenly distributed on the abutment surface (2 a).

3. The temple according to claim 2, wherein each of said welding grooves (2 c) is elongated, and said welding groove (2 c) penetrates both of said connecting surfaces (2 b).

4. The earpiece according to claim 3, wherein the slingshot component (3) comprises a core (3 a) and a shell (3 b) which has an inner cavity and is fixedly connected to the earpiece body (1), one end of the core (3 a) is slidably arranged in the inner cavity of the shell (3 b), the other end of the core (3 a) extends out of the shell (3 b) and is provided with a first mounting hole (3 a 11), the hinge member (2) is provided with a second mounting hole (2 d) which is matched with the first mounting hole (3 a 11), and the earpiece further comprises a hinge pin (4) which penetrates through the first mounting hole (3 a 11) and the second mounting hole (2 d).

5. The earpiece according to claim 4, wherein the core (3 a) comprises a core head (3 a 1) abutting against the shell (3 b) and a core rod (3 a 3) located in an inner cavity of the shell (3 b), a first mounting hole (3 a 11) is formed in the core head (3 a 1), a concave groove (3 a 2) is formed between the core head (3 a 1) and the core rod (3 a 3), and a relief gap (5) is formed between the groove wall of the concave groove (3 a 2) and the shell (3 b).

6. The temple according to claim 5, wherein said concave groove (3 a 2) is arc-shaped.

7. The earpiece according to claim 6, wherein the slingshot component (3) further comprises a limiting sleeve (3 c) sleeved on the core rod (3 a 3) and fixed relative to the shell (3 b) along the axial direction, an abutting column (3 e) fixedly connected to one end of the core rod (3 a 3) far away from the core head (3 a 1), and a return spring (3 d), wherein the return spring (3 d) abuts between the limiting sleeve (3 c) and the abutting column (3 e).

8. The earpiece according to claim 7, wherein a limiting member (3 f) extending into the inner cavity of the shell (3 b) is disposed on one side of the shell (3 b) facing the earpiece body (1), and one end of the limiting member (3 f) is connected with the limiting sleeve (3 c) in a snap-fit manner.

Images