CN220207922U

CN220207922U - Optical fiber connector

Info

Publication number: CN220207922U
Application number: CN202321635497.5U
Authority: CN
Inventors: 徐利民; 马俊男
Original assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Current assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-12-19
Anticipated expiration: 2033-06-26

Abstract

The utility model provides an optical fiber connector, including plug and socket, wherein the plug includes the shell, tail housing and button, the rear end and the tail housing of shell are connected, install the inner core subassembly in the shell, the cover is equipped with the shell on the shell, the up end axial shaping of shell has the mount pad that supplies the button to fix a position, the front end of shell is equipped with the unlocking plate, the rear end of unlocking plate inserts in the shell and is fixed with the lower extreme of button, the front end of unlocking plate stretches out the shell and forms the hasp portion with socket cooperation locking, the shaping has the draw-in groove with hasp portion complex, the draw-in groove has the clearance that supplies hasp portion to slide forward, have certain clearance of activity between the front end of button and the shell, when pressing the button, backward sliding button is pressed to the finger, the hasp portion downward elastic deformation of unlocking plate breaks away from with the draw-in groove, realize the unblock. The utility model has simple and reasonable structure, can realize quick plug, is firm and stable in locking, has good waterproof performance, is not easy to fall off, has long service life and is convenient to assemble and disassemble.

Description

Optical fiber connector

Technical Field

The present utility model relates to a connector, and more particularly, to an optical fiber connector capable of being quickly plugged and unlocked.

Background

With the continuous development of science and technology, people cannot leave power for work and life. In order to facilitate electricity utilization, various practical connectors are created, and the connector is connecting equipment for sequentially connecting a plurality of signal wires or power wires together, is widely applied to various electric circuits, is used for transmitting current or signals, and plays a role in connecting or disconnecting circuits.

The existing protective shell of the optical fiber connector is connected by adopting screw threads in a locking way, so that the connection efficiency is low, and the optical fiber connector is not suitable for a place with quick application.

Through investigation, the chinese patent with the existing patent number 201680013601.3, plug-in connector with plug-in positioning element, includes a cylindrical housing having at least one step constituting two different areas with different housing diameters, an area with a smaller diameter being configured as a plug-in area and an area with a larger diameter constituting a socket area; the plug-in connector is provided with a locking piece which is connected with the shell in a lost-proof way, and the plug-in connector is provided with an operating piece which is connected with the locking piece in an action way; the pluggable connector has pluggable locations at least partially surrounding pluggable areas. The connector can realize the function of quick plugging, but has the advantages of complex structure, troublesome assembly, direct backward pulling out after unlocking, unclear unlocking action, poor unlocking comfort and further improvement on the structure.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide an optical fiber connector which has a simple structure and can realize quick plug-in and pull-out aiming at the technical current state

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an optical fiber connector, includes plug and socket, and wherein the plug includes shell, tail cover and button, and the rear end of shell is connected with the tail cover, installs inner core subassembly in the shell, its characterized in that: the shell is sleeved with the shell, an installation seat for positioning the key is formed in the upper end face of the shell in an axial mode, an unlocking plate is arranged at the front end of the shell, the rear end of the unlocking plate is inserted into the shell and fixed with the lower end of the key, the front end of the unlocking plate extends out of the shell to form a locking part matched with the socket for locking, a clamping groove matched with the locking part is formed in the socket, a gap for the locking part to slide forwards is formed in the clamping groove, a movable gap is formed between the front end of the key and the shell, and when a finger presses the key to slide backwards, the locking part of the unlocking plate is elastically deformed downwards to be separated from the clamping groove, so that unlocking is realized.

As an improvement, the shell is a cylindrical insulating shell and is divided into a front section, a middle section and a rear section, wherein the front section is a cylindrical inserting section which is inserted with the socket, the rear section is an external thread connecting section which is connected with the tail sleeve, the shell sleeve is sleeved on the middle section of the shell, the front end of the shell sleeve is propped against the step surface at the rear side of the inserting section, and the rear end of the shell sleeve is propped against the tail sleeve for positioning; the lower end face of the key is inclined backwards and upwards and is provided with a groove matched with the mounting seat, the mounting seat is convexly arranged at the middle position of the upper end of the shell, the mounting seat is inserted into the groove of the key, the front end of the mounting seat is concavely provided with a spring hole, and the spring is arranged in the groove of the key and supported between the inner wall of the front end of the key and the spring hole of the mounting seat, so that the key has a trend of always moving forwards.

Further, the unlocking plate is an elastic piece, the appearance of the unlocking plate is of a semicircular claw structure, the rear end of the unlocking plate is a semicircular connecting piece, the connecting piece is inserted into the inner wall of the front end of the shell sleeve and fixed with the key, the locking parts are a plurality of locking pieces arranged at intervals in the circumferential direction, locking pieces matched with the locking grooves are convexly arranged at the front ends of the locking pieces, the thickness of the locking pieces is smaller than that of the connecting pieces, the upper end faces of the locking pieces are basically flush with the connecting pieces, a strip-shaped guide groove for the locking pieces to be placed in is formed in the shell, and a certain gap is reserved between the lower end faces of the locking pieces and the strip-shaped guide groove.

Still further, the up end of shell cover, the front end of mount pad are equipped with the installing port, and the front end setting of button is fixed through the middle part of rivet and connection piece in the installing port, has certain clearance between the step face of the front end of button and the grafting section rear side of shell, and the unblock piece is an organic whole piece, and the locking plate is four, sets up respectively in both ends and upper end left and right sides about the connection piece, and button and connection piece riveted position just in time is located the rear side of two locking plates of upper end.

Still further, the clearance between the front end of the button and the step surface at the rear side of the plugging section of the shell is 0.5-1 mm, and the clearance for the locking groove to slide forward is 0.5-1 mm.

Further, the upper end face of the plug-in section of the shell is axially provided with a positioning convex rib matched with the socket for plug-in connection, two locking plates at the upper end of the unlocking plate are positioned at the left side and the right side of the positioning convex rib, and the socket is provided with a positioning slot hole corresponding to the positioning convex rib.

Further, the inner core assembly comprises an inner core shell, an inner core and an inner core cover, wherein the inner core is arranged in the inner core shell and is fastened and fixed through the inner core cover, and the rear end of the inner core is connected with the optical fiber plug cable.

Further, the front end of the tail sleeve is provided with an internal threaded hole corresponding to the rear section external threaded connection section of the shell, and the rear end of the tail sleeve is provided with a through hole for the fiber plug cable to pass through.

And finally, the front part of the upper end of the key is provided with an arrow mark which moves back and forth, and the rear part of the upper end of the key is provided with concave-convex textures which are convenient for hand pressing.

Compared with the prior art, the utility model has the advantages that: the key and the unlocking piece are fixed and then are arranged on the shell, and the shell is arranged on the shell through the shell, so that external water is prevented from entering the interior from gaps around the key, and the waterproof performance of the plug is improved; the unlocking plate is in a semicircular claw shape and is firmly and stably matched with the clamping groove of the socket; the clamping groove is provided with a gap for the unlocking piece to slide forwards, so that when the key is pressed down by a finger and the key is slid backwards, the locking part of the unlocking piece is elastically deformed downwards to be separated from the clamping groove, and unlocking is realized. The utility model has simple and reasonable structure, can realize quick plug, is firm and stable in locking, has good waterproof performance, is not easy to fall off, has long service life and is convenient to assemble and disassemble.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model when not plugged;

FIG. 2 is a transverse cross-sectional view of FIG. 1;

FIG. 3 is an axial cross-sectional view of the key of FIG. 1;

FIG. 4 is a transverse cross-sectional view of an embodiment of the present utility model after mating;

FIG. 5 is a cross-sectional view of an embodiment of the present utility model taken along the key axis after plugging;

FIG. 6 is a cross-sectional view of FIG. 4 in a state of pushing a key forward;

fig. 7 is a sectional view of fig. 5 in a state of pushing the key forward;

fig. 8 is a cross-sectional view of the key of fig. 6 in which unlocking is achieved by pressing down (the unlocking surface is elastically deformed downward, and is disengaged from the clamping groove);

FIG. 9 is an assembly diagram of a key and unlocking plate (riveting fixed unlocking plate);

FIG. 10 is an assembly view of the key and the unlocking plate after being fixed and the outer shell;

FIG. 11 is an assembly view of the outer shell and the outer shell;

fig. 12 is an assembly view of the outer shell and the inner core assembly, and the tail sleeve;

fig. 13 is an exploded view of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 13, an optical fiber connector comprises a plug a and a socket B, wherein the plug a comprises a shell 1, an outer shell 2, an inner core assembly 3, a tail sleeve 4 and a key 5, the rear end of the shell 1 is connected with the tail sleeve 4, the inner core assembly 3 is installed in the shell 1, the outer shell 2 is sleeved at the middle rear part of the shell 1, an installation seat 21 for positioning the key 5 is axially formed on the upper end surface of the outer shell 2, an unlocking piece 6 is arranged at the front end of the outer shell 2, the rear end of the unlocking piece 6 is inserted into the outer shell 2 and fixed with the lower end of the key 5, a locking part 60 matched and locked with the socket B is formed at the front end of the unlocking piece 6, a clamping groove 9 matched with the locking part is formed in the socket B, a certain movable clearance d for the locking part to slide forwards is formed between the front end of the key 5 and the shell 1, and when a finger presses the key 5 to slide backwards, the part of the unlocking piece 6 is elastically deformed downwards and separated from the clamping groove 9, and unlocking is realized.

The concrete structure is as follows: the shell 1 is a cylindrical insulating shell, the shell 1 is divided into a front section 11, a middle section 11 and a rear section 12 and 13, wherein the front section is a cylindrical plug section 11 which is plugged with the socket B, the rear section is an external thread connecting section 13 which is connected with the tail sleeve 4, the shell sleeve 2 is sleeved on the middle section 12 of the shell 1, the diameter of the middle section 12 is smaller than that of the plug section 11, the front end of the shell sleeve 2 is propped against the step surface of the rear side of the plug section 11, and the rear end of the shell sleeve 2 is propped against the tail sleeve 4. The lower end face of the key 5 is inclined backwards and upwards and is formed with a groove 51 matched with a mounting seat 21, the mounting seat 21 is convexly arranged in the middle position of the upper end of the shell sleeve 2, the mounting seat 21 is inserted into the groove 51 of the key 5, the rear end of the mounting seat 21 is inclined upwards and backwards to be supported against the inner wall of the rear end of the groove 51, the front end of the mounting seat 21 is concavely provided with a spring hole 23, and a spring 7 is arranged in the groove 51 of the key 5 and supported between the inner wall of the front end of the key 5 and the spring hole 23 of the mounting seat 21, so that the key 5 has a trend of always moving forwards. The unlocking piece 6 is an elastic piece and is of a semicircular claw structure, the elastic piece can elastically deform in the diameter direction forcibly, the rear end of the unlocking piece 6 is a semicircular connecting piece 61, the connecting piece 61 is inserted into the inner wall of the front end of the outer shell 2 and is fixed with the key 5, the locking parts 60 are a plurality of locking pieces 62 which are arranged at intervals in the circumferential direction, locking pieces 63 matched with the clamping grooves 9 are convexly arranged at the front ends of the locking pieces 62, the thickness of the locking pieces 62 is smaller than that of the connecting piece 61, the upper end face of the locking pieces 62 is basically flush with the connecting piece 61, a strip-shaped guide groove 15 for the locking pieces 62 to be placed in is formed in the outer shell 1, and a certain gap is reserved between the lower end face of the locking pieces 62 and the strip-shaped guide groove 45. The upper end face of the shell 2 and the front end of the mounting seat 21 are provided with a mounting opening 22, the front end of the key 5 is arranged in the mounting opening 22 and fixed with the middle part of the connecting sheet 61 through rivets, the unlocking sheets 6 are integrated into a whole, four locking sheets 62 in the embodiment are respectively arranged at the left and right ends and the left and right sides of the upper end of the connecting sheet 61, and the riveting position of the key 5 and the connecting sheet 61 is just positioned at the rear sides of the two locking sheets 62 at the upper end. A certain gap e is formed between the front end of the key 5 and the step surface at the rear side of the plugging section 11 of the housing 1, the gap e in the embodiment is 0.5-1 mm, and the gap d of the locking plate 62 for the locking groove 9 to slide forwards is 0.5-1 mm.

The upper end face of the plugging section 11 of the shell 1 is axially provided with a positioning convex rib 14 which is matched and plugged with a socket B, two locking plates 62 at the upper end of the unlocking piece 6 are positioned at the left side and the right side of the positioning convex rib 14, and the socket B is provided with a positioning slot B1 corresponding to the positioning convex rib 14. The core assembly 3 includes a core housing 31, a core 32 and a core cover 33, wherein the core 32 is disposed in the core housing 31 and fastened and fixed by the core cover 33, and then disposed in the outer shell 1, and the rear end of the core 32 is connected with the optical fiber plug cable 8. The front end of the tail sleeve 4 is provided with an internal threaded hole corresponding to the rear section external threaded connection section 13 of the shell 1, and the rear end of the tail sleeve 4 is provided with a through hole for the fiber plug cable 8 to pass through. For convenient operation, the front part of the upper end of the key 5 is provided with an arrow mark which moves back and forth, and the rear part of the upper end of the key 5 is provided with concave-convex textures which are convenient for hand pressing.

The structure of the interior of the socket B is consistent with the prior art and will not be described here.

The specific operation process is as follows:

1. the plug A and the socket B are aligned to be inserted, and are locked by matching the unlocking piece 6 with the clamping groove 9, as shown in figures 2-5;

2. when unlocking, the thumb is propped against the key 5, and the index finger and the middle finger can push the plug to move forwards by 0.5-1 mm, as shown in figures 6 and 7;

3. the key 5 is pressed forcefully, the unlocking piece 6 is elastically deformed downwards, and the key 5 is slid backwards, so that unlocking is realized, as shown in fig. 8;

4. the plug A is pulled out.

The assembly process is as follows:

1. firstly, riveting and fixing the unlocking piece 6 and the key 5, as shown in fig. 9;

2. the assembled key 5 and spring 7 are fitted into the outer case 2 as shown in fig. 10;

3. the outer shell 2 is sleeved on the outer shell 1, as shown in fig. 11;

4. the inner core assembly 3 is arranged in the shell 1, and the tail sleeve 4 is screwed to complete the assembly, as shown in fig. 12.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides an optical fiber connector, includes plug and socket, and wherein the plug includes shell, tail cover and button, and the rear end of shell is connected with the tail cover, installs inner core subassembly in the shell, its characterized in that: the shell is sleeved with the shell, an installation seat for positioning the key is formed in the upper end face of the shell in an axial mode, an unlocking plate is arranged at the front end of the shell, the rear end of the unlocking plate is inserted into the shell and fixed with the lower end of the key, the front end of the unlocking plate extends out of the shell to form a locking part matched with the socket for locking, a clamping groove matched with the locking part is formed in the socket, a gap for the locking part to slide forwards is formed in the clamping groove, a movable gap is formed between the front end of the key and the shell, and when a finger presses the key to slide backwards, the locking part of the unlocking plate is elastically deformed downwards to be separated from the clamping groove, so that unlocking is realized.

2. The fiber optic connector of claim 1, wherein: the shell is a cylindrical insulating shell and is divided into a front section, a middle section and a rear section, wherein the front section is a cylindrical inserting section which is inserted with the socket, the rear section is an external thread connecting section which is connected with the tail sleeve, the shell sleeve is sleeved on the middle section of the shell, the front end of the shell sleeve is propped against the step surface at the rear side of the inserting section, and the rear end of the shell sleeve is propped against the tail sleeve for positioning; the lower end face of the key is inclined backwards and upwards and is provided with a groove matched with the mounting seat, the mounting seat is convexly arranged at the middle position of the upper end of the shell, the mounting seat is inserted into the groove of the key, the front end of the mounting seat is concavely provided with a spring hole, and the spring is arranged in the groove of the key and supported between the inner wall of the front end of the key and the spring hole of the mounting seat, so that the key has a trend of always moving forwards.

3. The fiber optic connector of claim 2, wherein: the unlocking piece is an elastic piece, the appearance of the unlocking piece is of a semicircular claw structure, the rear end of the unlocking piece is a semicircular connecting piece, the connecting piece is inserted into the inner wall of the front end of the outer shell and fixed with the key, the locking part is a plurality of locking pieces arranged at intervals in a circumferential direction, locking pieces are convexly arranged at the front end of the locking pieces and are matched with locking pieces with the locking grooves, the thickness of the locking pieces is smaller than that of the connecting piece, the upper end face of the locking pieces is basically flush with the connecting piece, a strip-shaped guide groove for the locking pieces to be placed in is formed in the shell, and a certain gap is reserved between the lower end face of the locking pieces and the strip-shaped guide groove.

4. A fiber optic connector as claimed in claim 3, wherein: the upper end face of shell, the front end of mount pad are equipped with the installing port, and the front end setting of button is fixed through the middle part of rivet and connection piece in the installing port, has certain clearance between the step face of the front end of button and the grafting section rear side of shell, and the unblock piece is an organic whole piece, and the locking plate is four, sets up respectively in both ends and upper end left and right sides about the connection piece, and button and connection piece riveted position just in time is located the rear side of two locking plates of upper end.

5. The fiber optic connector of claim 4, wherein: the gap between the front end of the key and the step surface at the rear side of the plugging section of the shell is 0.5-1 mm, and the gap of the clamping groove for the locking part to slide forwards is 0.5-1 mm.

6. The fiber optic connector of claim 4, wherein: the upper end face of the plug-in section of the shell is axially provided with a positioning convex rib matched and plugged with a socket, two locking plates at the upper end of the unlocking plate are positioned at the left side and the right side of the positioning convex rib, and the socket is provided with a positioning slot hole corresponding to the positioning convex rib.

7. The fiber optic connector of any of claims 1-6, wherein: the inner core assembly comprises an inner core shell, an inner core and an inner core cover, wherein the inner core is arranged in the inner core shell and is fastened and fixed through the inner core cover, and the rear end of the inner core is connected with an optical fiber plug cable.

8. The fiber optic connector of any of claims 1-6, wherein: the front end of the tail sleeve is provided with an internal threaded hole corresponding to the external threaded connection section of the rear section of the shell, and the rear end of the tail sleeve is provided with a through hole for the optical fiber plug cable to pass through.

9. The fiber optic connector of any of claims 1-6, wherein: the front part of the upper end of the key is provided with an arrow mark which moves back and forth, and the rear part of the upper end of the key is provided with concave-convex textures which are convenient for hand pressing.