CN216718744U

CN216718744U - Butt joint unlocking structure and optical fiber connection structure

Info

Publication number: CN216718744U
Application number: CN202122735863.1U
Authority: CN
Inventors: 王亚鹏; 李崇聪; 荆海涛; 杨建波; 李跃
Original assignee: Fujin Precision Industry Jincheng Co ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Fujin Precision Industry Jincheng Co ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-10
Anticipated expiration: 2031-11-09

Abstract

The application relates to the field of butt joint structures, aims to solve the problem that the butt joint structure is unreliable in locking or not easy to detach after butt joint, and provides a butt joint unlocking structure and an optical fiber connection structure. The butt joint unlocking structure comprises a first butt joint piece, a pushing piece and a second butt joint piece. The first butt piece is provided with a first surface; the first surface is concavely provided with a guide groove and a locking buckle, and the pushing piece comprises a guide block and an unlocking part; the guide block is matched with the guide groove, and the unlocking part is connected with the guide block and protrudes out of the first surface. The second butt joint piece comprises a locking part and a guide part connected to the locking part. The locking part is matched with the locking buckle and used for locking the buckle in the first direction. The unlocking part is matched with the guide part and used for acting on the guide part when the pushing piece moves along the first direction, so that the locking part enables the locking buckle to be unlocked along the direction far away from the first surface. The beneficial effect of this application is that the butt joint is reliable and dismantle the convenience.

Description

Butt joint unlocking structure and optical fiber connection structure

Technical Field

The application relates to the field of butt joint structures, in particular to a butt joint unlocking structure and an optical fiber connection structure.

Background

Because structural design considerations are not sufficient, some butt joint structures, such as the butt joint of optical fiber connection structures, may have the problem of unreliable locking or difficult disassembly after butt joint, thereby causing inconvenient use or difficult disassembly and replacement in practical application.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a butt joint unlocking structure and an optical fiber connecting structure so as to solve the problem that the butt joint structure is not reliable in locking or not easy to detach after butt joint.

The application is realized as follows:

the application provides a butt joint unblock structure, includes first butt joint piece, impeller and second butt joint piece. The first butt piece has a first surface; the first surface is concavely provided with a guide groove extending along a first direction; the first surface is also convexly provided with a locking buckle at the lateral position of the guide groove, the pushing piece comprises a first matching part, and the first matching part comprises a guide block and an unlocking part; the guide block is suitable for being matched with the guide groove in a sliding mode along a first direction, and the unlocking portion is connected to the guide block and protrudes out of the first surface. The second butt joint piece comprises a second matching portion, and the second matching portion comprises a locking portion and a guiding portion connected to the locking portion. The locking part is matched with the locking buckle and used for being locked and buckled with the locking buckle in the first direction so as to limit the second butt joint piece and the first butt joint piece to be separated along the first direction. The unlocking part is matched with the guide part and used for acting on the guide part when the pushing part moves along the first direction, so that the locking part can be separated from the locking buckle along the direction far away from the first surface, and the locking buckle can be unlocked to lock the locking part.

In the butt joint unlocking structure in the scheme, the locking part is limited by the locking buckle in a locking state, so that the first butt joint piece and the second butt joint piece are not easy to loosen; when first butt joint piece and second butt joint piece are unpacked apart to needs, move the impeller along first direction for its unblock portion drives locking portion through guide and lets open the locking buckle, realizes the unblock, and after the unblock, second butt joint piece and first butt joint piece can conveniently be unpacked apart.

From this, butt joint unblock structure in this scheme has the reliable and convenient beneficial effect of dismantlement of butt joint.

In an alternative implementation:

the first docking member has a docking end with an outer peripheral surface, the outer peripheral surface including the first surface;

the pushing piece further comprises a frame plate with a matching hole in the middle, the guide block is connected to the frame plate and extends out of the frame plate along the first direction, and the unlocking part is vertically connected to the outer surface of the guide block; the frame plate is sleeved outside the outer peripheral surface of the butt joint end through a matching hole of the frame plate, the guide block is in positioning matching with the guide groove, and the unlocking part vertically extends out of the first surface;

the second butt joint piece comprises a butt joint surrounding wall, the butt joint surrounding wall is used for being sleeved outside the butt joint end and is provided with a side wall opposite to the first surface at interval, the side wall is provided with an unclosed U-shaped notch, so that the side wall comprises a cantilever plate in a cantilever state, the locking part is connected to the cantilever end of the cantilever plate and extends out towards the direction of the first surface, and the guiding part is vertically connected between the locking part and the cantilever plate and is provided with a guiding inclined plane;

the unlocking part is matched with the guide inclined surface, and acts on the guide inclined surface when moving along the first direction, so that the locking part is separated from the locking buckle in the direction far away from the first surface.

In an alternative implementation:

two locking buckles are arranged on the first surface and are respectively arranged on two sides of the guide groove;

the guiding part is located in the middle of the width direction of the locking part and corresponds to the unlocking part, the locking part comprises two locking parts located on two sides of the guiding part, and the two locking parts are respectively correspondingly matched with the two locking buckles.

In an alternative implementation:

the unlocking part is provided with an unlocking guide surface corresponding to the guide inclined surface, and the height of the unlocking guide surface, which protrudes out of the first surface, is increased and then decreased along a first direction, so that the unlocking guide surface is a protruding arc-shaped surface with a higher middle part and lower two sides;

the surfaces of the two sides of the locking part along the first direction are respectively a first inclined surface and a first locking surface; the two sides of the locking buckle along the first direction are respectively provided with a second inclined surface and a second locking surface; the first locking surface and the second locking surface are respectively perpendicular to the first direction, and the first inclined surface and the second inclined surface are respectively obliquely intersected with the first direction; when the locking part and the locking buckle are communicated with each other along the first direction, the locking part can be pushed outwards by the wedge cooperation of the first inclined surface and the second inclined surface to pass through each other, and after the locking part and the locking buckle pass through each other, the locking part and the locking buckle can be locked with each other through the first locking surface and the second locking surface;

the first locking surface and the guide inclined surface are in transitional connection along a first direction to form a curved surface structure with a higher middle part and lower two sides, and the curved surface structure is used for being matched with the unlocking guide surface.

In an alternative implementation:

the peripheral surface includes a corresponding first surface;

the two first surfaces are provided with the guide grooves and the locking buckles; correspondingly, the pushing piece is provided with two first matching parts, and the second butting piece is provided with two second matching parts.

In an alternative implementation:

the peripheral surface also comprises two corresponding second surfaces, and the two second surfaces and the two first surfaces form a rectangular peripheral surface;

at least one of the second surfaces is convexly provided with a limiting buckle used for limiting the frame plate matched with the butt joint end to be separated from the butt joint end.

In an alternative implementation:

the inner side of the frame plate is provided with a concave groove, and one end of the guide block is connected to the bottom surface of the groove.

In an alternative implementation:

the guide groove comprises an inlet groove section, a transition groove section and an inner groove section which are sequentially communicated; the inlet groove section extends to penetrate to one end face of the first butting piece along the first direction; the groove width of the inlet groove section is larger than that of the inner groove section, and the transition groove section is connected between the inlet groove section and the inner groove section in a transition mode;

the guide block comprises an inner guide section and an outer guide section which are sequentially connected, the width of the inner guide section is matched with that of the inner groove section, and the width of the outer guide section is greater than that of the inner guide section and smaller than that of the inlet groove section.

In an alternative implementation:

the first butt joint piece is provided with a plurality of first inserting ports for inserting a plurality of first optical fiber connectors; the second butt joint piece is provided with a plurality of second inserting ports for inserting a plurality of second optical fiber connectors.

The embodiment of the application further provides an optical fiber connection structure, which comprises a first optical fiber connector, a second optical fiber connector and the butt joint unlocking structure. The first optical fiber connector is inserted in the first butt joint piece, and the second optical fiber connector is inserted in the second butt joint piece.

The optical fiber connecting structure has the beneficial effects of reliable locking and convenient disassembly because of adopting the butt joint unlocking structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a three-dimensional view of a docking unlocking structure in an embodiment of the present application;

FIG. 2 is an exploded view of the docking unlocking mechanism of FIG. 1;

FIG. 3 is an enlarged view of the docking unlocking structure of FIG. 2 at A;

FIG. 4 is an enlarged view of the docking unlocking structure shown in FIG. 2 at B;

FIG. 5 is a view of the first docking member and pusher member of FIG. 2 in mating relationship;

FIG. 6 is a cross-sectional view of the second docking member of FIG. 2;

FIG. 7 is a cross-sectional view of the docking unlocking mechanism of FIG. 1;

FIG. 8 is an enlarged view at C of FIG. 7;

FIG. 9 is a cross-sectional view taken along line D-D of FIG. 7;

FIG. 10 is a three-dimensional view of an optical fiber connection structure in an embodiment of the present application;

FIG. 11 is an exploded view of the fiber optic connection structure of FIG. 10;

FIG. 12 is a first assembled state view of the fiber optic connection structure of FIG. 10;

fig. 13 is a second assembled state view of the optical fiber connection structure of fig. 10.

Description of the main element symbols:

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Examples

Referring to fig. 1-9, the present embodiment provides a docking and unlocking structure 10, which includes a first docking member 11, a pushing member 12, and a second docking member 13. The first counterpart 11 has a first surface 14; the first surface 14 is concavely provided with a guide groove 16 extending in a first direction 15; the first surface 14 is further provided with a locking buckle 17 in a protruding manner at a position lateral to the guide groove 16, the pushing member 12 comprises a first matching part 18, and the first matching part 18 comprises a guide block 19 and an unlocking part 20; the guide block 19 is adapted to slidably fit in the guide slot 16 along the first direction 15, and the unlocking portion 20 is connected to the guide block 19 and protrudes from the first surface 14. The second docking member 13 includes a second engaging portion 21, and the second engaging portion 21 includes a locking portion 22 and a guide portion 23 connected to the locking portion 22. Wherein the locking portion 22 is adapted to the locking catch 17 for locking with the locking catch 17 in the first direction 15 to prevent the second docking member 13 and the first docking member 11 from being disengaged in the first direction 15. Unlocking portion 20 and guide portion 23 are adapted to act on guide portion 23 when pushing member 12 moves in first direction 15, so that locking portion 22 lets locking clip 17 open in a direction away from first surface 14, to unlock locking clip 17 from locking portion 22.

In the butt joint unlocking structure 10 in the scheme, the locking part 22 is limited by the locking buckle 17 in the locking state, so that the first butt joint piece 11 and the second butt joint piece 13 are not easy to loosen; when the first butt joint piece 11 and the second butt joint piece 13 need to be disassembled, the pushing piece 12 is moved along the first direction 15, the unlocking portion 20 drives the locking portion 22 to release the locking buckle 17 through the guide portion 23, unlocking is achieved, and after the unlocking is achieved, the second butt joint piece 13 and the first butt joint piece 11 can be conveniently disassembled. Therefore, the butt joint unlocking structure 10 in the scheme has the beneficial effects of reliable butt joint and convenience in disassembly.

In one embodiment of the present application, the first docking member 11 has a docking end 24, the docking end 24 having an outer circumferential surface 25, the outer circumferential surface 25 including the first surface 14. The pushing member 12 further comprises a frame plate 27 with a matching hole 26 arranged in the middle, the guide block 19 is connected to the frame plate 27 and extends out of the frame plate 27 along the first direction 15, and the unlocking part 20 is vertically connected to the outer surface of the guide block 19; optionally, the inner side of the frame plate 27 is provided with a recessed groove 28, and one end of the guide block 19 is connected to the groove bottom surface of the groove 28. The frame plate 27 is sleeved outside the outer peripheral surface 25 of the butt end 24 through the matching hole 26, the guide block 19 is positioned and matched with the guide groove 16, and the unlocking part 20 vertically extends out of the first surface 14. The second docking member 13 includes a docking enclosure wall 29, the docking enclosure wall 29 is configured to be sleeved outside the docking end 24, the docking enclosure wall 29 has a sidewall 30 spaced opposite to the first surface 14, the sidewall 30 is provided with an unclosed U-shaped notch 31, so that the sidewall 30 includes a cantilever plate 32 in a cantilever state, the locking portion 22 is connected to the cantilever end of the cantilever plate 32 and extends toward the first surface 14, and the guiding portion 23 is vertically connected between the locking portion 22 and the cantilever plate 32 and has a guiding inclined surface 33. The unlocking portion 20 engages with the guide slope 33, and the unlocking portion 20 acts on the guide slope 33 when moving in the first direction 15, so that the locking portion 22 releases the locking catch 17 in a direction away from the first surface 14.

When the docking and unlocking structure 10 in this embodiment is docked, the pushing member 12 is firstly sleeved on the docking end 24, and the guide block 19 is in sliding fit in the guide groove 16, so as to position the pushing member 12 on the first docking member 11; then, a second butt joint piece 13 is installed into the butt joint end 24, a butt joint surrounding wall 29 of the second butt joint piece 13 surrounds the butt joint end 24, a side wall 30 of the butt joint surrounding wall 29 corresponds to the first surface 14, meanwhile, the cantilever plate 32 is arranged on the side wall 30 and used for installing the locking part 22 and the guiding part 23, the guiding part 23 and the locking part 22 can be bent outwards under stress to yield, when the second butt joint piece 13 is installed, the locking part 22 can yield and then passes through the locking buckle, and then the locking buckle is rebounded and clamped on the rear side of the locking buckle; when the second butt joint piece 13 needs to be detached from the first butt joint piece 11, the pushing piece 12 is pushed along the first direction 15, so that the unlocking portion 20 pushes the guide portion 23 outwards, the locking portion 22 is driven to release the locking buckle 17, unlocking is achieved, and the second butt joint piece 13 can be detached from the first butt joint piece 11 easily. Obviously, the second docking member 13 in the embodiment of the present application can implement the flexible deformation abdicating of the cantilever plate 32 by a structural arrangement (e.g., an elastic member configured to elastically press against the cantilever plate 32) or a material arrangement (e.g., a material having a certain deformation capability, such as plastic, metal, etc.).

In one embodiment of the present embodiment, optionally, there are two locking catches 17 on the first surface 14, and the two locking catches 17 are respectively disposed on two sides of the guide slot 16. The guiding portion 23 is located at the middle position in the width direction of the locking portion 22 and corresponds to the unlocking portion 20, and the locking portion 22 includes two locking portions 22a located at both sides of the guiding portion 23 and respectively correspondingly engaged with the two locking catches 17.

In this embodiment, the cantilevered plate 32 of the second docking member 13 can be pushed to bend or recover outward with lateral balance by means of two locking catches 17 and corresponding two latching sections 22a provided on both sides of the guide slot 16; meanwhile, the clamping reliability of the first butt joint piece 11 and the second butt joint piece 13 can be improved.

Referring mainly to fig. 7 and 8, in one embodiment of the present embodiment, the unlocking portion 20 has an unlocking guide surface 34 corresponding to the guide slope 33, and the height of the unlocking guide surface 34 protruding from the first surface 14 increases and decreases in the first direction 15, so that the unlocking guide surface 34 has a convex arc-shaped surface with a higher middle and lower sides. The surfaces of the locking part 22 on both sides in the first direction 15 are respectively a first inclined surface 35 and a first locking surface 36; two sides of the locking buckle 17 along the first direction 15 are respectively provided with a second inclined surface 37 and a second locking surface 38; the first locking surface 36 and the second locking surface 38 are perpendicular to the first direction 15, respectively, and the first inclined surface 35 and the second inclined surface 37 obliquely intersect with the first direction 15, respectively; when the locking part 22 and the locking buckle 17 are communicated with each other along the first direction 15, the locking part can be pushed outwards to pass through each other through the wedge cooperation of the first inclined surface 35 and the second inclined surface 37, and after the locking part and the locking buckle pass through each other, the locking part and the locking buckle can be locked through the first locking surface 36 and the second locking surface 38. The first locking surface 36 and the guiding inclined surface 33 are connected in a transition manner along the first direction 15 to form a curved structure with a higher middle part and lower two sides for adapting to the unlocking guiding surface 34.

In this embodiment, the outer circumferential surface 25 optionally includes two corresponding first surfaces 14. The two first surfaces 14 are provided with a guide groove 16 and a locking buckle 17; correspondingly, the pushing member 12 has two first mating portions 18, and the second docking member 13 has two second mating portions 21. The first surfaces 14 are arranged on two sides respectively, so that the first butt joint piece 11, the pushing piece 12 and the second butt joint piece 13 can be matched and connected on two sides respectively, and the connection stability is improved. Optionally, the outer circumferential surface 25 further comprises two corresponding second surfaces 39, the two second surfaces 39 and the two first surfaces 14 enclosing the rectangular outer circumferential surface 25. At least one of the second surfaces 39 is provided with a retention clip 40 projecting thereon for retaining the bezel 27 engaged with the mating end 24 from the mating end 24. Alternatively, the position-limiting buckle 40 may be a structure with a side inclined surface and a side vertical surface, so that the frame plate 27 can be guided and clamped by the inclined surface along the side of the inclined surface, and the clamped frame plate 27 can be limited by the vertical surface, so that the pushing member 12 is not easy to be pulled out.

Referring mainly to fig. 9, in the present embodiment, the guide groove 16 includes an inlet groove section 41, a transition groove section 42, and an inner groove section 43, which are sequentially communicated; the inlet groove section 41 extends to penetrate to one end face of the first butt piece 11 along the first direction 15; the inlet channel section 41 has a channel width greater than the channel width of the inner channel section 43, and the transition channel section 42 is connected in transition between the inlet channel section 41 and the inner channel section 43. The guide block 19 comprises an inner guide section 44 and an outer guide section 45 which are connected in sequence, the width of the inner guide section 44 is matched with that of the inner groove section 43, and the width of the outer guide section 45 is larger than that of the inner guide section 44 and smaller than that of the inlet groove section 41. In this way, the inner guide section 44 of the guide block 19 fits within the inner groove section 43, enabling mutual positioning of the pusher 12 and the first docking member 11. The inlet channel section 41 has a larger channel width, which facilitates the fitting of the guide shoe 19, and the guide shoe 19 can be guided smoothly into the inner channel section 43 by the mutual guidance of the transition channel section 42 and the outer guide section 45. In the present embodiment, optionally, both sides of the outer end in the depth direction of the guide groove 16 are provided with stoppers 46 for restricting displacement of the guide piece 19 fitted in the guide groove 16 in the direction perpendicular to the first surface 14. The guide slot 16 after the stop 46 is provided forms a T-slot.

Referring to fig. 10-11, the present embodiment further provides an optical fiber connection structure 47, which includes a first optical fiber connector 48, a second optical fiber connector 49, and the aforementioned unlocking structure 10. The first optical fiber connector 48 is plugged into the first butt joint member 11, and the second optical fiber connector 49 is plugged into the second butt joint member 13.

In this embodiment, the docking unlocking structure 10 is applied to a fiber adapter for docking an optical fiber. In this case, the first mating member 11 may be provided with a plurality of first insertion ports 50 for inserting a plurality of first optical fiber connectors 48; the second mating element 13 has a plurality of second sockets 51 for receiving a plurality of second fiber connectors 49. Thus, during installation, a plurality of first optical fiber connectors 48 can be inserted into the first insertion ports 50 to be preassembled with the first mating members 11 to form the first pre-assembly portions 52, and a plurality of second optical fiber connectors 49 can be inserted into the second insertion ports 51 to be preassembled with the second mating members 13 to form the second pre-assembly portions 53, and the pre-assembly state is shown in fig. 12; then, the pushing member 12, the first butt piece 11 and the second butt piece 13 are butted to realize the integral butting of the first pre-assembly part 52 and the second pre-assembly part 53. Specifically, the assembled state of fig. 10 is formed by first fitting the pushing member 12 on the first butt piece 11, see fig. 13, and then fitting the second butt piece 13 on the first butt piece 11 and the pushing member 12. After the butt joint, the first optical fiber connector 48 and the second optical fiber connector 49 of each group are respectively connected with each other.

With respect to the optical fiber connection structure 47, the first direction 15 may be a plugging direction of the first optical fiber connector 48 and the second optical fiber connector 49.

With the butt joint unblock structure 10 of this application embodiment be applied to the butt joint of optic fibre, compare in prior art optic fibre butt joint and need dock each group's first fiber connector 48 and second fiber connector 49 in less rack one by one, have butt joint convenient and fast, connect the reliability height, and dismantle convenient beneficial effect.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims

1. A docking unlocking structure, comprising:

a first docking member having a first surface; the first surface is concavely provided with a guide groove extending along a first direction; the first surface is also convexly provided with a locking buckle at the lateral position of the guide groove;

a push member including a first mating portion including a guide block and an unlocking portion; the guide block is suitable for being matched with the guide groove in a sliding mode along a first direction, and the unlocking part is connected to the guide block and protrudes out of the first surface;

the second butt joint piece comprises a second matching part, and the second matching part comprises a locking part and a guide part connected with the locking part;

the locking part is matched with the locking buckle and used for locking and buckling the locking buckle in a first direction so as to limit the second butt joint piece and the first butt joint piece from being separated along the first direction;

the unlocking part is matched with the guide part and used for acting on the guide part when the pushing part moves along the first direction, so that the locking part can be separated from the locking buckle along the direction far away from the first surface, and the locking buckle can be unlocked to lock the locking part.

2. The docking unlocking structure according to claim 1, wherein:

3. The docking unlocking structure according to claim 2, wherein:

4. The docking unlocking structure according to claim 2, wherein:

5. The docking unlocking structure according to claim 2, wherein:

the peripheral surface includes a corresponding first surface;

6. The docking unlocking structure according to claim 5, wherein:

7. The docking unlocking structure according to claim 2, wherein:

8. The docking unlocking structure according to claim 1, wherein:

9. The docking unlocking structure according to claim 1, wherein:

10. An optical fiber connection structure, comprising:

a first optical fiber connector;

a second optical fiber connector;

the docking unlocking structure of any one of claims 1 to 9;

the first optical fiber connector is inserted in the first butt joint piece, and the second optical fiber connector is inserted in the second butt joint piece.