CN218332183U

CN218332183U - Connection structure of pile head and mirror leg and glasses using same

Info

Publication number: CN218332183U
Application number: CN202222683565.7U
Authority: CN
Inventors: 封�波
Original assignee: Shenzhen Yijiang Glasses Co ltd
Current assignee: Shenzhen Yijiang Glasses Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-17
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a connection structure of pile head and mirror leg and use glasses of this structure, include: pile head, glasses legs, a son pin and a mother pin; the pile head comprises a first connecting column, the first connecting column is provided with a through movable through hole, and the side wall of the first connecting column is provided with a limiting rotating groove communicated with the movable through hole; the glasses legs comprise second connecting columns, and the second connecting columns are provided with through connecting through holes; the second connecting column extends into the movable through hole through the limiting rotating groove; the female pin is provided with a connecting inner hole, and the male pin is provided with a pin column in interference fit with the connecting inner hole; the female pin is arranged in the connecting through hole from one end of the movable through hole, the outer wall of the female pin is in transition fit with the connecting through hole, and the second connecting column of the glasses leg keeps fixed relative to the female pin when rotating to a certain position in the limiting rotating groove; and the pin column of the sub-pin is arranged into the connecting inner hole from the other end of the movable through hole.

Description

Connecting structure of pile head and glasses legs and glasses applying same

Technical Field

The application relates to the technical field of glasses, in particular to a connecting structure of a pile head and glasses legs and glasses applying the structure.

Background

Glasses are the necessities of life of correcting eyesight, protecting eyes, decorative face appearance, and what the connection structure of the pile head of traditional glasses and mirror leg adopted is the butt hinge, the mode of fix with screw, and this kind of structure has following problem:

1. because the screw is used for fixing, when the screw is used for assembling, the tightness of the hinge is difficult to control, the glasses legs are difficult to rotate relative to the pile head when the hinge is too tight, and the glasses legs are easy to swing beyond a preset angle range relative to the pile head when the hinge is too loose.

2. After a period of use, the threaded connection is easy to loosen, and the glasses legs swing relative to the pile head beyond a preset angle range.

3. As the glasses with the connecting structure mostly adopt microminiature non-universal special screws, once the screws are loosened or the screws are separated from the connecting position, a user does not have a proper tool to screw the screws, and if the screws are lost, the special screws are not easy to adapt to a third-party maintenance position, so that the maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly to above problem, provided a connection structure of pile head and mirror leg and applied the glasses of this structure, aim at solving the technical problem in the background art.

In order to achieve the above object, the utility model provides a connection structure of pile head and mirror leg, include: pile head, glasses legs, a sub pin and a female pin; the pile head comprises a first connecting column, the first connecting column is provided with a through movable through hole, and the side wall of the first connecting column is provided with a limiting rotating groove communicated with the movable through hole; the glasses legs comprise second connecting columns, and the second connecting columns are provided with through connecting through holes; the second connecting column extends into the movable through hole through the limiting rotating groove; the female pin is provided with a connecting inner hole, and the male pin is provided with a pin column in interference fit with the connecting inner hole; the female pin is arranged in the connecting through hole from one end of the movable through hole, the outer wall of the female pin is in transition fit with the connecting through hole, and the second connecting column of the glasses leg keeps fixed on the female pin when rotating to a certain position relative to the female pin in the limiting rotating groove; and the pin column of the sub pin is arranged into the connecting inner hole from the other end of the movable through hole.

Furthermore, the male pin and the female pin are respectively provided with an end cap corresponding to the outer diameter of the movable through hole, and when the male pin and the female pin are located in the movable through hole and the connecting through hole of the second connecting column is connected, the end caps of the male pin and the female pin respectively plug the two ends of the movable through hole.

Furthermore, the end surfaces of the end caps of the male pin and the female pin are flush with the end surfaces of the two ends of the movable through hole.

Further, the outer walls of the end caps of the male pin and the female pin are in interference fit with the inner wall of the movable through hole.

Furthermore, the outer diameter of the pin column is larger than the inner diameter of the connecting inner hole, and the male pin and the female pin are connected in a riveting mode.

Furthermore, the relative rotation interface of the outer wall of the female pin and the inner wall of the connecting through hole is provided with a damping layer generating sliding friction resistance.

Furthermore, the relative rotation interface surface between the outer wall of the glasses leg and the inner wall of the limit rotation groove is provided with a damping layer which generates sliding friction resistance.

Furthermore, the two ends of the limiting rotation groove are respectively provided with a first side wall and a second side wall, the glasses leg rotates relative to the pile head, and when the straight line section M of the glasses leg and the straight line section N of the pile head are located on the same straight line, the outer wall of the glasses leg is attached to the first side wall.

Further, an angle J from the first sidewall to the second sidewall is 107 ° with a center of the movable through hole as an end point

Glasses comprise the connecting structure of the pile head and the glasses legs.

Compared with the prior art, the utility model provides a pair of connection structure of pile head and mirror leg and use glasses of this structure can act as the relative pile head pivoted hinge pivot of mirror leg with the outer wall of female round pin for the mirror leg can rotate around female round pin. The male pin and the female pin are both metal pieces, the pin column of the male pin is forcibly inserted into the connecting inner hole of the female pin to promote the deformation of the connecting inner hole of the female pin, the female pin tightly coats the pin column of the male pin under the action of metal restoring force, so that the male pin and the female pin are connected into an integral structure after being in interference fit, and the pile head and the glasses legs are hinged through the male pin and the female pin; compared with a traditional connection rotating shaft connection structure adopting special screws as pile heads and the glasses legs, the problem that the screwing tightness is difficult to control in screw assembling is solved, long-time use is avoided, the screws also rotate along with the rotation of the relative pile heads of the glasses legs, the loosening phenomenon occurs, the falling and loss of parts are avoided, the service life of the glasses connection structure is prolonged, and the maintenance probability is reduced. And the limiting rotation groove can limit the rotation angle range of the glasses legs relative to the pile heads, so that the glasses with the structure can be worn and stored by a user more conveniently. The hinge device is stable in structure and durable in use.

Drawings

Fig. 1 is a schematic structural diagram of a connection structure of a pile head and a temple according to the present application.

Fig. 2 is an exploded view of a structure of a connection structure of a pile head and a temple according to the present application.

Fig. 3 is a schematic view of a sub-pin structure of a connection structure of a pile head and a temple according to the present application.

Fig. 4 is a schematic structural view of a female pin of a connection structure of a pile head and a temple according to the present application.

Fig. 5 is a cross-sectional view of a sub-pin of a connection structure of a pile head and a temple according to the present application.

Fig. 6 is a cross-sectional view of a female pin of a connection structure of a pile head and a temple according to the present application.

Fig. 7 is an exploded partially sectional perspective view of a structure of a pile head and a temple of a connection structure of a pile head and a temple according to the present application.

Fig. 8 is a front view of fig. 7.

Fig. 9 is a partial sectional view of a connection structure of a pile head and a temple according to the present application.

Fig. 10 is an enlarged view of fig. 9 at a.

Reference numerals shown in the drawings: 1. pile head; 110. a first connecting column; 111. a movable through hole; 112. a limiting rotation groove; 1121. a first side wall; 1122. a second side wall; 2. temples; 210. a second connecting column; 211. a connecting through hole; 3. a sub-pin; 310. a pin; 4. a female pin; 410. connecting the inner holes; 5. and an end cap.

Detailed Description

Referring to fig. 1 to 10, the present embodiment provides a connection structure of a pile head and a temple, including a pile head 1, a temple 2, a sub-pin 3, and a female pin 4; the pile head 1 comprises a first connecting column 110, the first connecting column 110 is provided with a through movable through hole 111, and the side wall of the first connecting column 110 is provided with a limiting rotating groove 112 communicated with the movable through hole 111; the temple 2 comprises a second connecting column 210, and the second connecting column 210 is provided with a through connecting through hole 211; the second connecting column 210 extends into the movable through hole 111 through the limiting rotation groove 112; the female pin 4 is provided with a connecting inner hole 410, and the male pin 3 is provided with a pin column 310 in interference fit with the connecting inner hole 410; the female pin 4 is installed into the connecting through hole 211 from one end of the movable through hole 111, the outer wall of the female pin 4 is in transition fit with the connecting through hole 211, and the second connecting column 210 of the temple 2 keeps fixed to the female pin 4 when rotating to a certain position relative to the female pin 4 in the limit rotating groove 112; the pin 310 of the sub-pin 3 is fitted into the coupling inner hole 410 from the other end of the movable through-hole 111.

By this design, the first connecting column 110 with the rotation limiting groove 112 is a double hinge structure of the pile head 1, the temple 2 with the second connecting column 210 forms a single hinge structure, and the outer wall of the female pin 4 is used as a hinge rotation axis for the rotation of the temple 2 relative to the pile head 1, so that the temple 2 can rotate around the female pin 4. The auxiliary pin 3 and the main pin 4 are both metal pieces, the pin column 310 of the auxiliary pin 3 is forcibly inserted into the connection inner hole 410 of the main pin 4, so that the connection inner hole 410 of the main pin 4 is deformed, the main pin 4 tightly covers the pin column 310 of the auxiliary pin 3 under the action of metal restoring force, the two are connected into a whole after being in interference connection fit, and the pile head 1 and the glasses legs 2 are hinged with each other through the auxiliary pin 3 and the main pin 4.

The structure sizes of the inner hole 410 for connecting the pin 310 of the sub pin 3 with the female pin 4, the outer wall of the female pin 4, the movable through hole 111 and the limiting rotation groove 112 are determined through a pre-process experiment, therefore, only the pin 310 of the sub pin 3 needs to be assembled with the inner hole 410 for connecting the female pin 4, the pile head 1 is hinged with the glasses leg 2, the traditional screw connection is avoided, workers can tap the screws by feeling and repeatedly debug, therefore, the glasses applying the structure are produced in batch, the quality is stable, the situation that the glasses leg 2 is difficult to rotate relative to the pile head 1 due to the fact that the glasses leg 2 is hinged too tightly is avoided, and the glasses leg 2 is prone to swing beyond a preset angle range relative to the pile head 1 due to the fact that the glasses leg 2 is too loose.

Compared with the traditional connection structure adopting special screws as the connection rotating shafts of the pile head and the glasses legs, the connection structure avoids the difficulty in controlling the screwing and fastening degree of screw assembly and avoids long-time use, the screws also rotate along with the rotation of the glasses legs relative to the pile head, the loosening phenomenon is caused, the falling and loss of parts are avoided, the service life of the glasses connection structure is prolonged, and the probability of maintenance is reduced.

And the limit rotation groove 112 can limit the rotation angle range of the glasses leg 2 relative to the pile head 1, so that the user can wear and store the glasses with the structure more conveniently. The hinge device is stable in structure and durable in use.

Referring to fig. 1-5 and 10, the end caps 5 corresponding to the outer diameters of the movable through holes 111 are disposed on the sub-pin 3 and the female pin 4, and when the sub-pin 3 and the female pin 4 are connected by the connecting through hole 211 of the second connecting column 210 in the movable through hole 111, the end caps 5 of the sub-pin 3 and the female pin 4 respectively seal two ends of the movable through hole 111.

The end caps 5 are arranged on the sub-pin 3 and the female pin 4, so that the sub-pin 3 and the female pin 4 are connected with the first connecting column 110 through the end caps 5.

Referring to fig. 1-5 and 10, the end surfaces of the end caps 5 of the male and

female pins

4 and 3 are flush with the end surfaces of the two ends of the movable through hole 111.

The design is practical and attractive, and the phenomenon that the end parts of the male pin 3 and the female pin 4 extend out of the end faces of the connecting parts to hook hair and skin of a user is avoided.

Referring to fig. 1-5 and 10, preferably, the outer walls of the end caps 5 of the male and

female pins

4 and 3 are in interference fit with the inner wall of the through hole 111.

The design not only enables the sub-pin 3 and the female pin 4 to be firmly connected into a whole, but also enables the sub-pin 3 and the female pin 4 to be connected with the first connecting column 110 of the pile head 1 into a whole, so that when the sub-pin 3 and the female pin 4 rotate along with the glasses legs 2 relative to the pile head 1, the sub-pin 3 and the female pin 4 are prevented from rotating and wearing to cause looseness, and the service life of the connecting structure is prolonged.

Preferably, the outer diameter of the pin column 310 is larger than the inner diameter of the connection inner hole 410, and the male pin 3 and the female pin 4 are in press riveting connection.

Preferably, a damping layer (not shown) for generating sliding friction resistance is provided at a relative rotation interface between an outer wall of the female pin 4 and an inner wall of the coupling through hole 211.

Through set up the damping layer and provide the predetermined frictional resistance of friction in this department, neither influence the relative pile head 1 rotation of mirror leg 2, can realize again that second spliced pole 210 of mirror leg 2 is in relative in the spacing groove 112 of rotating female round pin 4 rotates when a certain position, it is right female round pin 4 keeps fixed, and convenience of customers accomodates, wears the connection structure glasses of using this pile head and mirror leg, avoids mirror leg 2 and pile head 1 to be connected too loosely.

Preferably, the outer wall of the temple 2 and the inner wall of the rotation-restricting groove 112 have a damping layer (not shown) for generating sliding frictional resistance at their relative rotational interfaces.

The damping layer can be a frosted convex grain structure.

Referring to fig. 7 and 8, two ends of the rotation limiting groove 112 are respectively a first side wall 1121 and a second side wall 1122, the temple 2 rotates relative to the pile head 1, and when the straight line segment M of the temple 2 and the straight line segment N of the pile head 1 are in the same straight line, the outer wall of the temple 2 abuts against the first side wall 1121.

When the outer wall of the temple 2 abuts against the first side wall 1121, the first side wall 1121 prevents the temple 2 from further rotating with respect to the pile head 1, and similarly, when the outer wall of the temple 2 abuts against the second side wall 1122, the second side wall 1122 prevents the temple 2 from further rotating with respect to the pile head 1. The first and

second side walls

1121, 1122 at both ends of the rotation-restricting groove 112 limit the rotation range of the temples 2.

Referring to fig. 7 and 8, an angle J from the first sidewall 1121 to the second sidewall 1122 is 107 ° with the center of the movable through-hole 111 as an end point.

By this design the temple 2 is turned more than 100 degrees in relation to the pile head 1.

Claims

1. A connecting structure of a pile head and a glasses leg is characterized by comprising the pile head, the glasses leg, a sub pin and a female pin; the pile head comprises a first connecting column, the first connecting column is provided with a through movable through hole, and the side wall of the first connecting column is provided with a limiting rotating groove communicated with the movable through hole; the glasses legs comprise second connecting columns, and each second connecting column is provided with a through connecting through hole; the second connecting column extends into the movable through hole through the limiting rotating groove; the female pin is provided with a connecting inner hole, and the male pin is provided with a pin column in interference fit with the connecting inner hole; the female pin is installed into the connecting through hole from one end of the movable through hole, the outer wall of the female pin is in transition fit with the connecting through hole, and the second connecting column of the glasses leg is fixed to the female pin when rotating to a certain position relative to the female pin in the limiting rotating groove; and the pin column of the sub pin is arranged into the connecting inner hole from the other end of the movable through hole.

2. The connection structure of the pile head and the glasses legs according to claim 1, wherein the male pin and the female pin are provided with end caps corresponding to the outer diameters of the movable through holes, and when the male pin and the female pin are connected with the connecting through holes of the second connecting columns in the movable through holes, the end caps of the male pin and the female pin respectively plug the two ends of the movable through holes.

3. The pile head and temple connection of claim 2, wherein the end caps of the male and female pins are flush with the end faces of the ends of the through-holes.

4. The pile head and temple connection of claim 2, wherein the outer walls of the end caps of the male and female pins are in interference fit with the inner walls of the through holes.

5. The connecting structure of the pile head and the temple according to claim 1, wherein the outer diameter of the pin is larger than the inner diameter of the connecting inner hole, and the male pin and the female pin are connected by riveting.

6. The connecting structure of the pile head and the temple according to claim 1, wherein the relatively rotating interface of the outer wall of the female pin and the inner wall of the connecting through hole has a damping layer for generating sliding frictional resistance.

7. The connection structure of the pile head and the temple according to claim 1, wherein the rotational interface between the outer wall of the temple and the inner wall of the rotation-limiting groove has a damping layer for generating sliding frictional resistance.

8. The connecting structure of the pile head and the temple according to claim 1, wherein the two ends of the rotation-limiting groove are respectively a first side wall and a second side wall, the temple rotates relative to the pile head, and when the straight line segment M of the temple and the straight line segment N of the pile head are in the same straight line, the outer wall of the temple abuts against the first side wall.

9. The pile head and temple connection of claim 8, wherein said first sidewall to said second sidewall angle J is 107 ° from the center of said throughbore.

10. Spectacles comprising a connection of the templet and the temple according to any one of claims 1 to 9.