CN211402839U - Modular optical fiber connector with contact piece free of tool removal and connector assembly - Google Patents

Abstract

The utility model relates to a modular optical fiber connector with a contact member free of tool removal, which comprises a connector shell and at least one contact member module consisting of a plurality of contact members with tail parts rotationally locked in a supporting block; the connector shell is internally provided with a contact hole for being matched with each contact in the contact module and a rear end cavity for fixing the supporting block; the contact element comprises a ceramic contact pin and a tail handle, and the tail handle realizes circumferential rotation stopping through the matching of a large convex key on the outer peripheral surface of the tail handle and a large key groove in a contact element hole; one end of the spring is movably sleeved on the tail part of the tail handle and is blocked on the flange plate of the tail handle, the other end of the spring is fixedly connected with the front end of the supporting piece, and the distance between the supporting piece and the tail handle is adjusted by compressing the spring; at least two clamping nails which are rotationally locked with the fixing part in the supporting block are uniformly distributed on the peripheral surface of the supporting piece. The contact element of the utility model can be taken and unloaded without tools and has simple positioning structure; by means of the modular design, the shell can be compatible with various types of contact element units, and the applicability of parts is improved.

Description

Modular optical fiber connector with contact piece free of tool removal and connector assembly

Technical Field

The utility model relates to a contact spare exempts from instrument and gets modular plug, socket and connector assembly who unloads belongs to fiber connector technical field.

Background

The existing optical fiber connector is generally characterized in that a contact element is directly arranged in a shell, the contact element needs to be independently dismounted, the working efficiency is low, the shell universality is poor, and the risk that the connector is scrapped due to excessive insertion loss of individual hole sites exists. The existing contact is mostly in an end face contact type, and the product has two characteristics, namely, the end face of the contact at one end of the jack is embedded into the connector, and a special tool is needed for cleaning in the using process; secondly, the contact needs to be taken and assembled by a special tool. The two characteristics make the contact element of the existing optical fiber connector inconvenient for installation and maintenance in the use field.

Disclosure of Invention

In order to solve the problem of shell universality, a contact element tool-free disassembly modularized connector assembly which is modularly designed for a connector is provided, when the connector breaks down or the type of the contact element needs to be adjusted, only the corresponding module needs to be replaced, and the purpose that the connector shell can be repeatedly used is achieved.

The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the utility model provides a modular optical fiber connector with a contact member free of tool removal, which comprises a connector shell and at least one contact member module consisting of a plurality of contact members with tail parts rotationally locked in a supporting block; the connector shell is internally provided with a contact hole for being matched with each contact in the contact module and a rear end cavity for fixing the supporting block; the contact element comprises a ceramic contact pin and a tail handle, and the tail handle realizes circumferential rotation stopping through the matching of a large convex key on the outer peripheral surface of the tail handle and a large key groove in a contact element hole; one end of the spring is movably sleeved on the tail part of the tail handle and is blocked on the flange plate of the tail handle, the other end of the spring is fixedly connected with the front end of the supporting piece, and the distance between the supporting piece and the tail handle is adjusted by compressing the spring; at least two clamping nails which are rotationally locked with the fixing part in the supporting block are uniformly distributed on the peripheral surface of the supporting piece.

The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.

The fixing part in the support block comprises a clamping groove which is provided with an opening for the staple to enter and is provided with a U-shaped groove bottom for locking the staple, and a limiting part which axially limits the support piece to prevent the staple on the peripheral surface from moving out of the fixing part, wherein the upper part of one side of the support block, which is in limit fit with the staple, so that when the support piece is stopped by the limiting part, the support piece is rotated to enable the staple to enter the clamping groove from the opening and fall into the U-shaped groove bottom of the clamping groove under the action of the spring to realize locking.

The fixing part is formed by a plurality of L-shaped convex keys, the tail ends of the L-shaped convex keys are uniformly distributed in holes for the contact element to penetrate through in a supporting block at intervals and are turned inwards to form inward turned edges, a through groove capable of allowing the large convex key on the tail handle to penetrate through is formed between every two adjacent L-shaped convex keys, and when the sealing ring in the sealing ring groove at the rear end of the supporting piece is blocked with the rear end face of each L-shaped convex key, the supporting piece is rotated to enable the clamping nail to enter the clamping groove formed by the L-shaped convex keys from the opening and fall into the bottom of the clamping groove under the action of the spring to realize locking.

The rear end of the supporting piece is sleeved with a sheath which is circumferentially stopped, and the part of the sheath extending out of the connector shell is also provided with an identification key which is positioned on the same datum plane with one of the staples and is used for judging the position of the staple.

The connector is locked by matching a lock pin assembly assembled on the shell of the connector with a corresponding lock hole assembly on the adaptive connector shell; the lock pin assembly comprises a screw rod, a thread retainer ring and a thread base, wherein the thread retainer ring and the thread base are used for fixing the screw rod on the shell, and the lock hole assembly comprises a thread sleeve and a lock nut, the thread sleeve is provided with a threaded hole matched with the screw rod, the lock nut is provided with an internal thread meshed with an external thread of the thread sleeve, and the lock nut is provided with an external thread meshed with the internal thread of the thread.

The contact member is used for connecting the screw rod and the shell, and the shell is used for connecting the screw rod and the shell.

The contact member is assembled and disassembled without tools, wherein the identification sleeve is assembled in a forced mode, and the limitation is realized through barbs clamped in an annular groove in the shell on the outer circumference of the identification sleeve.

In the modular optical fiber connector with the contact member being removed without using a tool, the identification sleeve is provided with a regular hexagon boss at the periphery thereof, and the regular hexagon boss is matched with the regular hexagon mounting hole at the front end of the shell.

According to the modular optical fiber connector with the contact member free of tool removal, the rear end of the threaded sleeve is provided with the regular hexagon boss matched with the regular hexagon hole in the shell and the O-shaped ring groove used for assembling the O-shaped ring sealed in the shell, and the inner side of the locking nut is provided with the key groove used for allowing the identification key to pass through.

The purpose of the utility model and solve the technical problem can also be realized by adopting the following technical scheme. The basis the utility model provides a contact exempts from instrument to get modularization fiber connector subassembly of unloading, including above-mentioned connector and adapter connector thereof, connector housing front end still is equipped with the cavity that is used for installing encapsulation ceramic bushing's sleeve pipe encapsulation casing, and its adapter connector's contact and the assembly methods of contact are the same with this connector.

Compared with the prior art, the utility model obvious advantage and beneficial effect have. Borrow by above-mentioned technical scheme, the utility model discloses can reach considerable technical advancement and practicality to have the wide use value in the industry, it has following advantage at least: the contact element of the utility model can be taken and disassembled without tools; the contact piece positioning structure is simple, and the ceramic sleeve is aligned, so that the optical signal transmission stability is good; by adopting the modular design, the shell can be compatible with various types of contact element units, and the applicability of parts is improved; the connector locking mechanism is innovated, so that the assembly difficulty is reduced, and the assembly period of the connector is shortened; the use area of the connector is increased by designing a locking mechanism integrating positioning and locking; the end face of the contact piece is exposed, so that the end face is convenient to clean.

Drawings

FIG. 1 is a schematic view of a plug structure of a modular connector assembly with tool-less removal of contacts according to the present invention;

FIG. 2 is a schematic view of the structure of the plug support block of the modular connector assembly of the present invention with no tool removal for the contact member;

FIG. 3 is a schematic structural view of a plug housing of the tool-less contact removal modular connector assembly of the present invention;

FIG. 4 is a cross-sectional view of the plug end of the modular connector assembly with tool-less removal of the contacts of the present invention;

FIG. 5 is a cross-sectional view of a modular connector assembly plug end locking assembly mounting hole with tool-less removal of the contact of the present invention;

FIG. 6 is an enlarged view of a portion of a schematic view of a tool-less modular connector assembly identification sleeve installation of the present invention in FIG. 4;

FIG. 7 is a schematic structural view of a tool-free plug locking assembly identifying sleeve of the modular connector assembly of the present invention;

FIG. 8 is a schematic view of a tool-less removal modular connector assembly receptacle configuration of the present invention;

fig. 9 is a schematic structural view of a locking component mounting hole at the socket end of the modular connector component for tool-free removal of the contact element of the present invention;

FIG. 10 is a schematic structural view of a locking nut of the tool-less contact removal modular connector assembly of the present invention;

FIG. 11 is a schematic view of a tool-free removal of the locking sleeve of the modular connector assembly of the present invention;

fig. 12 is a schematic view of the installation of the tool-less removal modular connector assembly receptacle end locking assembly of the present invention;

FIG. 13 is a schematic view of a contact structure of a tool-less removal modular connector assembly of the present invention;

fig. 14 is a locking schematic diagram of the tool-free plug-in state of the modular connector assembly of the present invention.

[ description of main element symbols ]

1: contact element of plug

1.1: ceramic contact pin

1.2: tail handle

1.3: spring

1.4: support piece

1.4.1: staple bolt

1.5: sealing ring

1.6: protective sleeve

1.6.1: convex key

2: supporting block

2.1: l-shaped clamping groove

3: plug shell

3.1: packaging shell installation cavity

3.2: mounting hole for lock pin assembly

3.2.1: threaded hole

3.2.2: ring groove

3.2.3: regular hexagonal hole

4: packaging shell

5: lock needle assembly

5.1: threaded retainer ring

5.2: screw base

5.3: screw rod

5.4: identification sleeve

5.4.1: identification slot

5.4.2: barb

6: socket shell

6.2: lockhole component mounting hole

6.3: square cavity

7: lockhole assembly

7.1: locking nut

7.1.1: clamping groove

7.1.2: key groove

7.2: thread bush

7.2.1: regular hexagon boss

7.2.2: o-shaped ring groove

7.2.3: external thread surface

7.2.4: identification key

7.2.5: threaded hole

7.3: o-shaped ring

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the modular connector assembly with tool-less removal of contact elements according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 1-14, which are schematic structural diagrams of parts of a modular connector assembly for tool-less removal of contacts according to the present invention, the connector assembly includes a connector and an adapter connector, wherein the connector and the adapter connector each include a housing and at least one contact module assembled in the housing and composed of a plurality of contacts 1 with tail portions rotatably locked in a supporting block 2. The connector shell is internally provided with a contact hole for being matched with each contact 1 in the contact module and a rear end cavity for fixing the supporting block 2; the contact element 1 comprises a ceramic contact pin 1.1 and a tail handle 1.2, and the tail handle 1.2 is matched with a large key groove in a contact element hole in a connector shell through a large convex key 1.2.1 on the outer peripheral surface of the tail handle to realize circumferential rotation stopping with the connector shell; one end of the spring 1.3 is movably sleeved on the tail of the tail handle 1.2 and is blocked on the flange plate of the tail handle 1.2, the other end of the spring is fixedly connected with the front end of the supporting piece 1.4, and the supporting piece 1.4 realizes the adjustment of the distance between the spring 1.3 and the tail handle 1.2.

The supporting block 2 is internally provided with a plurality of holes for the contact element 1 to pass through, the contact element 1 penetrates through the tail part of the supporting block 2 and is rotationally locked with the fixing part in the supporting block 1 through at least two staple nails 1.4.1 uniformly distributed on the periphery of the tail part supporting element 1.4, so that the axial and radial limiting of the rear end of the contact element is realized.

The fixing part in the supporting block 2 comprises a clamping groove which is in limit fit with the staple bolt 1.4.1, the upper part of one side of the clamping groove is provided with an opening for the staple bolt 1.4.1 to enter and is provided with a U-shaped groove bottom for locking the staple bolt, and a limiting part which axially blocks the supporting piece 1.4 to limit and prevent the staple bolt 1.4.1 on the peripheral surface of the supporting piece from moving out of the fixing part, so that when the supporting piece 1.4 is blocked by the limiting part, the supporting piece 1.4 is rotated to enable the staple bolt 1.4.1 to enter the clamping groove from the opening and fall into the U-shaped groove bottom of the clamping groove under the action.

The embodiment of the utility model provides an in, the fixed part is formed by a plurality of ends of the downthehole interval equipartition that supplies the contact piece to pass in this supporting shoe 2 and turns over a L type convex key 2.1 that forms turn-ups in, forms the logical groove that can hold big convex key on the caudal peduncle and pass between the adjacent L type convex key 2.1, when sealing washer 1.5 of support piece 1.4 rear end sealing washer inslot with when the stop of L type convex key 2.1 rear end face, rotate support piece 1.4 and make bail 1.4.1 get into the draw-in groove that L type convex key 2.1 encloses by the upper portion opening part and fall into under the effect of spring and realize locking in this draw-in groove tank bottom. Specifically, the contact piece perforation axial extension in the vertical border supporting shoe 2 of L type convex key reaches this perforation front end, and the draw-in groove tank bottom that should have the interior turn-ups L type convex key and enclose is towards connector housing front end for the horizontal limit of this L type convex key can carry out the axial spacing to the bail when locking, prevents that it from breaking away from supporting shoe 2 under the spring action, and the interior turn-ups of its vertical limit and horizontal limit end simultaneously carry out radial spacing to the bail.

In the embodiment of the present invention, the supporting member 1.4 is sleeved with a sheath 1.6 circumferentially stopping rotation, and the portion of the sheath 1.6 extending out of the connector housing is further provided with a convex key 1.6.1 on the same plane with one of the staple bolts 1.4.1 for determining the position of the staple bolt 1.4.1.

The utility model discloses still lock through the locking Assembly who establishes on the casing after connector and adapter connector are inserted and are closed. The locking assembly comprises a locking needle assembly 5 and a locking hole assembly 7, wherein the locking needle assembly 5 comprises a threaded retainer ring 5.1, a threaded base 5.2 and a screw rod 5.3. The rear end of the screw rod 5.3 is fixed on the connector shell through a threaded retainer ring 5.1 and a threaded base 5.2 and is used for locking when the connector assembly is inserted. Lockhole subassembly 7 includes lock nut 7.1 and thread bush 7.2, all there is the screw thread inside and outside lock nut 7.1, the external screw thread with the adapter connector shell connection, the internal thread is connected with external screw thread face 7.2.3 on the thread bush 7.2, realizes the fixed of thread bush 7.2 on the casing. And a threaded hole 7.2.5 which is matched with the screw rod 5.3 to realize locking is arranged in the threaded sleeve 7.2.

In the embodiment of the present invention, the latch needle assembly 5 further includes an identification sleeve 5.4 sleeved at the front end of the screw rod 5.3, the identification sleeve is forcibly fixed on the connector housing, and at least one identification groove 5.4.1 is formed on the wall body of the identification sleeve, and the identification groove allows the identification key 7.2.4 on the outer peripheral surface of the front end of the threaded sleeve 7.2 to pass through along the axial extension.

The embodiment of the utility model provides an in, the identification cover 5.4 with the assembly mode of casing lock needle subassembly mounting hole for adorning by force, and realize spacingly through barb 5.4.2 of the card on the ring channel 3.2.2 in the mounting hole on the outside circumference, guarantee that it does not deviate from after packing into. Preferably, said barbs 5.4.2 have 3 circumferentially distributed, but not limited thereto.

The inside of the locking nut 7.1 is provided with a key slot 7.1.2 for passing the identification key 7.2.4. Preferably, a tool clamping groove 7.1.1 used for installing the locking nut 7.1 in the shell installation groove is formed in the front end face of the locking nut 7.1. Preferably, the two clamping grooves 7.1.1 are located at two ends of the same diameter of the lock nut, but not limited thereto.

In the embodiment of the utility model, the rear end of the thread bushing is provided with a regular hexagon boss 7.2.1 and an O-shaped ring groove 7.2.2, wherein the regular hexagon boss 7.2.1 is matched and installed with a regular hexagon hole on the shell, so that the key positions of the recognition key 7.2.4 in six directions can be realized; the O-ring groove 7.2.2 is used for mounting the O-ring 7.3 to seal the interior of the housing, but is not limited thereto.

In an embodiment of the present invention, the connector is a plug, and the adapter connector is a socket. In this embodiment, the front end of the plug housing 3 of the plug connector is provided with a cavity 3.1 for mounting the packaging housing 4, the rear end is provided with a cavity for mounting the supporting block 2, and the middle is further provided with a locking pin assembly mounting hole 3.2 for mounting the locking pin assembly 5. The packaging shell 4 is fixed on the plug shell 3 through screws and has the function of packaging the ceramic bushing on the plug, and alignment of the contact elements is guaranteed when the plug and the socket are plugged. The front end face of the sleeve packaging shell is basically flush with the front end face of the plug shell or has a slight gap, so that the front end face of the contact element is basically flush with the front end face of the plug shell when the plug is in a free state, and the end faces of the contact elements can be cleaned without using a special cleaning tool.

The rear end of the lock pin assembly mounting hole 3.2 is a threaded hole 3.2.1 for mounting a threaded base 5.2 and a threaded retainer ring 2. The regular hexagon hole 3.2.3 is put to lock pin subassembly mounting hole 3.2 front end terminal surface position, uses with the regular hexagon boss cooperation of discernment cover front end periphery, can realize the trench of guiding groove in six directions. This lock needle subassembly mounting hole 3.2 is inside to set up an annular 3.2.2, cooperates with the barb 5.4.2 of discerning the cover outward flange, prevents that the discernment cover from deviating from.

The front end of a socket shell 6 of the socket connector is provided with a front cavity 6.1 which is used for matching when a plug and a socket are plugged, and the rear end is provided with a rear cavity 6.3 for installing a supporting block 2; the inside of the shell is provided with a lockhole component mounting hole 6.2 for mounting and orienting the lockhole component 7. The rear end of the locking hole component mounting hole 6.2 is provided with a regular hexagon boss 7.2.1 matched with the periphery of the rear end of the threaded sleeve 7.2 to realize key positions of the recognition key in six directions. And an internal thread meshed with the external thread of the locking nut is also arranged in the locking hole component mounting hole 6.2.

In another embodiment of the present invention, the locking hole assembly is installed on the plug housing, and the locking pin assembly is installed on the socket housing.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments by the technical spirit of the present invention are within the scope of the present invention.

Claims (10)

1. The utility model provides a contact exempts from modularization fiber connector that instrument was got and is unloaded which characterized in that: the connector comprises a connector shell and at least one contact element module consisting of a plurality of contact elements with tail parts rotationally locked in a supporting block;

the connector shell is internally provided with a contact hole for being matched with each contact in the contact module and a rear end cavity for fixing the supporting block;

the contact element comprises a ceramic contact pin and a tail handle, and the tail handle realizes circumferential rotation stopping through the matching of a large convex key on the outer peripheral surface of the tail handle and a large key groove in a contact element hole;

one end of the spring is movably sleeved on the tail part of the tail handle and is blocked on the flange plate of the tail handle, the other end of the spring is fixedly connected with the front end of the supporting piece, and the distance between the supporting piece and the tail handle is adjusted by compressing the spring;

at least two clamping nails which are rotationally locked with the fixing part in the supporting block are uniformly distributed on the peripheral surface of the supporting piece.

2. A modular tool-less contact removal optical fiber connector as defined in claim 1, wherein: the fixing part in the supporting block comprises a clamping groove which is provided with an opening for the staple bolt to enter and is provided with a U-shaped groove bottom for locking the staple bolt, and a limiting part which axially limits the supporting piece to prevent the staple bolt on the peripheral surface of the supporting piece from moving out of the fixing part, so that when the supporting piece is stopped by the limiting part, the supporting piece is rotated to enable the staple bolt to enter the clamping groove from the opening and fall into the U-shaped groove bottom of the clamping groove under the action of a spring to realize locking.

3. A modular tool-less contact removal optical fiber connector as defined in claim 2, wherein: the fixing part is composed of a plurality of L-shaped convex keys, the tail ends of the L-shaped convex keys are inwards turned over to form inward turned edges, the tail ends of the L-shaped convex keys are uniformly distributed in a hole, through grooves are formed between every two adjacent L-shaped convex keys, the big convex keys on the tail handle can penetrate through the through grooves, when the sealing ring in the sealing ring groove at the rear end of the supporting piece is blocked with the rear end face of each L-shaped convex key, the supporting piece is rotated to enable the clamping nail to enter the clamping groove formed by the L-shaped convex keys from the opening and fall into the bottom of the clamping groove under the action of.

4. A modular tool-less contact removal optical fiber connector as defined in claim 1, wherein: the rear end of the supporting piece is sleeved with a sheath which is circumferentially prevented from rotating, and the part of the sheath extending out of the connector shell is also provided with an identification key which is positioned on the same datum plane with one of the staples and is used for judging the position of the staple.

5. A modular tool-less contact removal optical fiber connector as defined in claim 1, wherein: the connector also realizes the locking between the lock pin component assembled on the shell of the connector and the corresponding lock hole component on the adaptive connector shell through the matching of the lock pin component and the corresponding lock hole component; the lock pin assembly comprises a screw rod, a thread retainer ring and a thread base, wherein the thread retainer ring and the thread base are used for fixing the screw rod on the shell, and the lock hole assembly comprises a thread sleeve and a lock nut, the thread sleeve is provided with a threaded hole matched with the screw rod, the lock nut is provided with an internal thread meshed with an external thread of the thread sleeve, and the lock nut is provided with an external thread meshed with the internal thread of the thread.

6. A modular tool-less contact removal optical fiber connector as defined in claim 5, wherein: the lock pin assembly further comprises an identification sleeve sleeved at the front end of the screw rod and circumferentially locked with the shell, and at least one identification groove which extends along the axial direction and is used for allowing an identification key on the outer peripheral surface of the front end of the threaded sleeve to penetrate through is formed in the wall body of the identification sleeve.

7. A modular tool-less contact removal optical fiber connector as defined in claim 6, wherein: the assembly mode of the identification sleeve is a forced assembly mode, and the position limitation is realized through barbs clamped in the annular groove in the shell on the outer circumference of the identification sleeve.

8. A modular tool-less contact removal optical fiber connector as defined in claim 6, wherein: wherein the periphery of the identification sleeve is provided with a regular hexagon boss matched with the regular hexagon mounting hole at the front end of the shell.

9. A modular tool-less contact removal optical fiber connector as defined in claim 6, wherein: wherein the thread bush rear end be provided with the regular hexagon boss of regular hexagon shape hole complex on the casing with be used for the assembly to realize the O type circle groove of the O type circle of casing internal seal, the lock nut inboard is equipped with the keyway that is used for supplying the discernment key to pass.

10. A modular tool-less contact removal fiber optic connector assembly comprising the connector of any one of claims 1-9 and its mating connector, wherein: the front end of the connector shell is also provided with a cavity for mounting and packaging the ceramic bushing, the front end face of the cavity is basically flush with the front end face of the connector shell, and the adapter connector is matched with a contact element of the connector and the assembly mode of the contact element is the same as that of the connector.

Images