CN109286106B - Plug fixing assembly, plug connector and connector assembly - Google Patents
Plug fixing assembly, plug connector and connector assembly Download PDFInfo
- Publication number
- CN109286106B CN109286106B CN201710600264.4A CN201710600264A CN109286106B CN 109286106 B CN109286106 B CN 109286106B CN 201710600264 A CN201710600264 A CN 201710600264A CN 109286106 B CN109286106 B CN 109286106B
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- Prior art keywords
- shell
- plug
- housing
- connector
- guide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a plug fixing assembly, a plug connector and a connector assembly. The connector assembly comprises a shell and a plug connector positioned in the shell, wherein the plug connector comprises a fixing assembly and a plug monomer arranged in the fixing assembly, the fixing assembly comprises a front shell and a rear shell, the front shell and the rear shell are assembled in a rotation stopping mode, so that the subsequent shell of a wiring harness is prevented from twisting or rotating relative to the front shell, the front shell and the rear shell are provided with limiting structures in the separation direction, the front shell and the rear shell can be stopped in the pulling direction by means of stop matching of the stopping structures of the front shell and the rear shell after the two are connected in an inserting mode, the rear shell is prevented from being pulled out from the front shell, and therefore the anti-pulling performance is achieved.
Description
Technical Field
The invention relates to a plug fixing assembly, a plug connector and a connector assembly.
Background
In the field of optical signal transmission, plug connector modules are used more frequently, a plug single body is arranged at the front end of the plug connector and is used for being in butt joint with a socket, an optical fiber penetrates through the rear end of the plug connector, and the optical fiber is connected with an optical contact of the plug single body in the plug connector. In the assembly and use process of the plug connector, the optical fiber is pulled or twisted, and the optical fiber and the optical contact are only used for transmitting optical signals and cannot bear tensile force, so that the situation that the optical fiber is pulled or twisted off or the optical fiber and the optical contact cannot be in good contact easily occurs, and the normal transmission of signals is affected.
Disclosure of Invention
The invention aims to provide a tensile and torsion resistant plug connector; the invention also aims to provide a connector assembly using the plug connector; the invention also aims to provide a plug fixing component.
In order to achieve the purpose, the plug fixing component adopts the following technical scheme:
the technical scheme 1: the plug fixing assembly comprises a front shell used for installing a plug monomer and a rear shell used for enabling a wiring harness to penetrate through and be fixed, the front shell and the rear shell are assembled in a rotation stopping mode, and limiting structures for stopping limiting in the direction of separating the front shell and the rear shell are respectively arranged on the front shell and the rear shell.
The technical scheme 2 is as follows: on the basis of the technical scheme 1, the front shell and the rear shell are in rotation stopping fit through keys and key grooves.
Technical scheme 3: on the basis of the technical scheme 2, the cross sections of the keys and the key grooves are in a convex shape so as to perform blocking and limiting in a plane perpendicular to the plugging direction.
The technical scheme 4 is as follows: on the basis of any one of the technical schemes 1 to 3, the front shell is internally provided with a containing cavity for the rear shell to be inserted into, an inward turning edge is arranged at an opening of the containing cavity, an outward turning edge is arranged on the periphery of the end part of the rear shell inserted into the containing cavity, the inward turning edge and the outward turning edge jointly form the limiting structure, the rear shell is forcibly inserted into the front shell and then is stopped and limited in the pulling direction by the inward turning edge and the outward turning edge, and the rear shell is forcibly inserted into the front shell and then is stopped and limited in the pulling direction by the inward turning edge and the outward turning edge.
The technical scheme 5 is as follows: on the basis of the technical scheme 4, a spring which provides acting force towards the pulling-out direction for the rear shell so as to enable the bulge on the rear shell to be pressed against the bulge on the front shell is further arranged between the front shell and the rear shell.
The technical scheme 6 is as follows: on technical scheme 4's basis, be equipped with first guide structure on the procapsid, the fixed subassembly of plug is still including being located the second guide structure who holds the intracavity during use, and first, second guide structure are the guiding hole and the guide post that are used for the spring direction respectively.
The technical scheme 7 is as follows: on the basis of technical scheme 6, still be equipped with between spring and the back casing and pass power piece, second guide structure is located and passes power piece.
The technical scheme 8 is as follows: on technical scheme 4's basis, the procapsid comprises inferior valve and upper cover, hold the chamber and contain in the cavity that upper cover and inferior valve enclose, the upper cover passes through buckle structure and inferior valve lock locking.
Technical scheme 9: on the basis of the technical scheme 8, one side of the upper cover is connected with the lower shell through the indentation structure to form a flip structure, and the other side of the upper cover is connected with the lower shell in a buckling manner through the buckling structure.
Technical scheme 10: on the basis of any one of the technical schemes 1 to 3, two bosses which are used for being in stop fit with the protective shell in the pulling-out direction and the circumferential direction are arranged on the periphery of the rear shell on the same circumference.
The plug connector adopts the following technical scheme:
the technical scheme 1: the plug connector comprises a plug fixing assembly and a plug monomer, the plug fixing assembly comprises a front shell of the plug monomer and a rear shell used for enabling a wiring harness to penetrate through and be fixed, the front shell and the rear shell are assembled in a rotation stopping mode, and limiting structures which are separated in the two directions are arranged on the front shell and the rear shell respectively.
The technical scheme 2 is as follows: on the basis of the technical scheme 1, the plug monomer is an LC plug monomer.
Technical scheme 3: on the basis of the technical scheme 1, the front shell and the rear shell are in rotation stopping fit through keys and key grooves.
The technical scheme 4 is as follows: on the basis of the technical scheme 3, the cross sections of the keys and the key grooves are in a convex shape so as to perform blocking and limiting in a plane perpendicular to the plugging direction.
The technical scheme 5 is as follows: on the basis of any one of the technical schemes 1 to 4, the front shell is internally provided with a containing cavity for the rear shell to be inserted into, an inward turning edge is arranged at an opening of the containing cavity, an outward turning edge is arranged on the periphery of the end part of the rear shell inserted into the containing cavity, the inward turning edge and the outward turning edge jointly form the limiting structure, and the rear shell is forcibly installed in the front shell and then is stopped and limited in the pulling direction through the inward turning edge and the outward turning edge.
The technical scheme 6 is as follows: on the basis of the technical scheme 5, a spring which provides acting force towards the pulling-out direction for the rear shell so as to enable the bulge on the rear shell to be pressed against the bulge on the front shell is further arranged between the front shell and the rear shell.
The technical scheme 7 is as follows: on technical scheme 5's basis, be equipped with first guide structure on the procapsid, the fixed subassembly of plug is still including being located the second guide structure who holds the intracavity during use, and first, second guide structure are the guiding hole and the guide post that are used for the spring direction respectively.
The technical scheme 8 is as follows: on the basis of technical scheme 7, still be equipped with between spring and the back casing and pass power piece, second guide structure is located and passes power piece.
Technical scheme 9: on the basis of technical scheme 8, the plug monomer has two and arranges side by side in the both sides of first guide structure, and the second guide structure is located the centre of biography power piece, still is equipped with the through wires hole that is used for supplying the pencil to pass in the both sides of second guide structure on passing the power piece.
Technical scheme 10: on the basis of technical scheme 5, the procapsid comprises inferior valve and upper cover, hold the chamber and contain in the cavity that upper cover and inferior valve enclose, the upper cover passes through buckle structure and inferior valve lock locking.
Technical scheme 11: on the basis of the technical scheme 10, one side of the upper cover is connected with the lower shell through the indentation structure to form a flip structure, and the other side of the upper cover is connected with the lower shell through the buckling structure in a buckling manner.
Technical scheme 12: on the basis of any one of the technical schemes 1 to 4, two bosses which are used for being in stop fit with the protective shell in the pulling-out direction and the circumferential direction are arranged on the periphery of the rear shell on the same circumference.
The connector assembly adopts the following technical scheme:
the technical scheme 1: the connector subassembly includes the protecting crust, installs plug connector in the protecting crust, and plug connector includes fixed subassembly of plug and plug monomer, and the fixed subassembly of plug is including the installation the free procapsid of plug and be used for supplying the pencil to pass and fixed back casing, preceding, back casing splines the assembly, is equipped with respectively on preceding, the back casing and keeps off the limit structure who ends the limit in the direction of both separation.
The technical scheme 2 is as follows: on the basis of the technical scheme 1, the plug monomer is an LC plug monomer.
Technical scheme 3: on the basis of the technical scheme 1, the front shell and the rear shell are in rotation stopping fit through keys and key grooves.
The technical scheme 4 is as follows: on the basis of the technical scheme 3, the cross sections of the keys and the key grooves are in a convex shape so as to perform blocking and limiting in a plane perpendicular to the plugging direction.
The technical scheme 5 is as follows: on the basis of any one of the technical schemes 1 to 4, the front shell is internally provided with a containing cavity for the rear shell to be inserted into, an inward turning edge is arranged at an opening of the containing cavity, an outward turning edge is arranged on the periphery of the end part of the rear shell inserted into the containing cavity, the inward turning edge and the outward turning edge jointly form the limiting structure, and the rear shell is forcibly installed in the front shell and then is stopped and limited in the pulling direction through the inward turning edge and the outward turning edge.
The technical scheme 6 is as follows: on the basis of the technical scheme 5, a spring which provides acting force towards the pulling-out direction for the rear shell so as to enable the bulge on the rear shell to be pressed against the bulge on the front shell is further arranged between the front shell and the rear shell.
The technical scheme 7 is as follows: on technical scheme 5's basis, be equipped with first guide structure on the procapsid, the fixed subassembly of plug is still including being located the second guide structure who holds the intracavity during use, and first, second guide structure are the guiding hole and the guide post that are used for the spring direction respectively.
The technical scheme 8 is as follows: on the basis of technical scheme 7, still be equipped with between spring and the back casing and pass power piece, second guide structure is located and passes power piece.
Technical scheme 9: on the basis of technical scheme 8, the plug monomer has two and arranges side by side in the both sides of first guide structure, and the second guide structure is located the centre of biography power piece, still is equipped with the through wires hole that is used for supplying the pencil to pass in the both sides of second guide structure on passing the power piece.
Technical scheme 10: on the basis of technical scheme 5, the procapsid comprises inferior valve and upper cover, hold the chamber and contain in the cavity that upper cover and inferior valve enclose, the upper cover passes through buckle structure and inferior valve lock locking.
Technical scheme 11: on the basis of the technical scheme 10, one side of the upper cover is connected with the lower shell through the indentation structure to form a flip structure, and the other side of the upper cover is connected with the lower shell through the buckling structure in a buckling manner.
Technical scheme 12: on the basis of any one of the technical schemes 1 to 4, two bosses which are used for being in stop fit with the protective shell in the pulling-out direction and the circumferential direction are arranged on the periphery of the rear shell on the same circumference.
Technical scheme 13: on the basis of any one of the technical schemes 1 to 4, the protective shell comprises an inner cylinder and an outer cylinder, the rear shell and the inner cylinder are blocked and limited in the pulling direction, the outer cylinder is rotatably assembled on the inner cylinder, the inner cylinder and the outer cylinder are blocked and limited in the pulling direction, and the outer cylinder is provided with a thread for connecting with a screw ring on the socket.
Technical scheme 14: on the basis of technical scheme 13, the protective shell still include with urceolus threaded connection and can be with the sealed clamp ring in the gap seal between protective shell and the pencil.
The invention has the beneficial effects that: the connector assembly comprises a shell and a plug connector positioned in the shell, wherein the plug connector comprises a fixing assembly and a plug monomer arranged in the fixing assembly, the fixing assembly comprises a front shell and a rear shell, the front shell and the rear shell are assembled in a rotation stopping mode, so that the subsequent shell of a wiring harness is prevented from twisting or rotating relative to the front shell, the front shell and the rear shell are provided with limiting structures in the separation direction, the front shell and the rear shell can be stopped in the pulling direction by means of stop matching of the stopping structures of the front shell and the rear shell after the two are connected in an inserting mode, the rear shell is prevented from being pulled out from the front shell, and therefore the anti-pulling performance is achieved.
Furthermore, the arrangement of the convex keys can not only realize stop and limit in multiple directions and reduce radial floating as much as possible on the premise of ensuring torsion resistance and rotation resistance, but also have the advantages of high structural strength and difficult deformation compared with the common flat keys.
Further, the spring is arranged, so that the front shell and the rear shell can be automatically pressed between the protrusions, random shaking is avoided, and meanwhile, axial floating adjustment between the front shell and the rear shell is facilitated.
Further, the arrangement of the guide structure on the accommodating cavity ensures that the spring cannot be twisted or popped up randomly.
Furthermore, the arrangement of the turnover cover facilitates the installation and the disassembly of the spring and the threading operation of the wiring harness.
Furthermore, the protective shell comprises an inner cylinder and an outer cylinder, when the outer cylinder of the protective shell is connected with the helicoidal ring on the case, the front part is sealed and fixed, and the rear part is connected and fixed with the wiring harness through the sealing compression ring, so that the plug connector is completely sealed, can be applied to outdoor severe environments, and has good dustproof and waterproof performances; the wire harness is fixed with the rear shell in advance, when the wire harness is pulled, pulling force is transmitted to the rear shell through the sheath of the wire harness, the rear shell achieves the purpose of transmitting the pulling force to the inner barrel through the stop matching of the lug bosses arranged on the periphery of the rear shell and the inner barrel, the inner barrel achieves the purpose of transmitting the pulling force to the outer barrel through the stop structure between the inner barrel and the outer barrel, the outer barrel achieves the purpose of transmitting the pulling force to the case through the connection with the upper spiral ring of the case, the force transmission structure is formed by adding a first layer of force transmission route on the basis that the rear shell is transmitted to the force transmission structure of the socket through the front shell and the plug single body, two layers of force transmission.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a connector assembly of the present invention;
FIG. 2 is a schematic view of the plug connector of FIG. 1;
FIG. 3 is a schematic view of the internal structure of FIG. 2;
FIG. 4 is a schematic view of the lower housing and the upper cover of FIG. 2;
FIG. 5 is a schematic structural view of the rear housing;
FIG. 6 is a reference view showing the use state of the spring and the guide;
FIG. 7 is a schematic view of the guide;
FIG. 8 is a schematic view of the internal structure of FIG. 1;
FIG. 9 is a schematic view of another embodiment of the lower case;
in the figure: 01-connector component, 02-plug, 1-protective shell, 11-inner cylinder, 12-outer cylinder, 13-sealing clamp ring, 2-wiring harness, 3-front shell, 31-elastic finger, 32-pressing piece, 33-upper cover, 34-lower shell, 341-buckling structure, 342-key groove, 343-first bulge, 35-accommodating cavity, 36-spring cavity, 37-contact pin, 4-rear shell, 41-key, 42-second bulge, 43-boss, 44-threading hole, 5-spring, 6-guiding piece and 61-guiding column.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 8, the embodiment of the connector assembly of the present invention includes a protective shell 1 and a plug 02 mounted in the protective shell 1, the plug 02 is used as an inner core of the connector assembly 01, and includes a fixing assembly and a plug unit mounted on the fixing assembly, the plug 02 of the connector assembly of this embodiment is a DLC plug, and an optical fiber pin 37 is disposed in the DLC plug. Fixed subassembly includes procapsid 3 and back casing 4, installs on the procapsid 3 plug monomer, the plug monomer of this embodiment is the plug monomer of LC type or two plug monomers of DLC type for peg graft with the socket of adaptation, be equipped with through wires hole 44 on the back casing 4, be used for supplying pencil 2 to pass, and fixed pencil 2. The front shell 3 and the rear shell 4 are in rotation-stopping fit through the keys 41 and the key slots 342 to prevent the two from rotating relatively, so that the twisting of the wiring harness 2 is prevented, the rear shell 4 and the front shell 3 are respectively provided with a protrusion, and the two protrusions are in mutually stopping fit to limit the separation of the two, so that the tensile effect is achieved.
As shown in fig. 2-4, the front case 3 includes a lower case 34, an upper cover 33 covering the lower case 34, a flip structure integrating the lower case 34 and the upper cover 33 and formed by plastic processing, and an integrally connected edge of the upper cover and the lower case has an indentation, so that the upper cover can be turned over around the indentation relative to the lower case, i.e., the flip structure, the other side of the upper cover 33 and the other side of the lower case 34 corresponding to the upper cover 33 after being covered by the upper cover 33 are provided with a snap structure 341, the locking of the upper cover 33 and the lower case 34 is realized through the snap structure, the structure is convenient to unlock and simple in structure, the upper part of the upper cover 33 is provided with a pressing sheet 32 for matching with the elastic fingers 31 on the base body, and the. The lower shell 34 and the upper cover 33 enclose a containing cavity 35 for the wiring harness 2 to pass through and for the plug to be installed singly. The lower shell 34 is provided with a key slot 342 shaped like a Chinese character 'tu' along the plugging direction, the front end of the lower shell 34 is connected with the base body of the mounting pin 37, the rear end of the lower shell is provided with a socket for the plugging of the rear shell 4, the socket is provided with a first protrusion 343 turned inwards, the front end of the rear shell 4 is provided with a second protrusion 42 protruding outwards, the first protrusion 343 and the second protrusion 42 are mutually matched, and in the matching process, the blocking matching is performed through a blocking surface perpendicular to the plugging direction, and the rear shell 4 can be prevented from being pulled out of the front shell 3 through the blocking of the blocking surface. The lower part of the rear housing 4 extends along the plugging direction with a key 41 shaped like a Chinese character 'tu' for sliding fit with the key groove 342 shaped like a Chinese character 'tu' of the front housing 3, and the fit of the key 41 and the key groove 342 can stop and limit in a plurality of directions perpendicular to the plugging direction, and simultaneously prevent the rear housing 4 from twisting relative to the front housing 3.
As shown in fig. 3 and 6, a spring 5 is further disposed in the accommodating cavity 35 of the lower shell 34, and a guide 6 is further disposed between the spring 5 and the rear shell 4, as shown in fig. 4, a circular tube is further disposed in the accommodating cavity 35 of the lower shell 34, the circular tube extends from the front side to the rear side of the lower shell 34, an inner cavity of the circular tube forms a spring cavity 36 for accommodating the spring 5, the spring 5 can be inserted into the spring cavity 36, and the spring cavity 36 can radially limit the spring 5, so as to prevent the spring 5 from popping or twisting. As shown in fig. 6 and 7, the lower part of the guide 6 has a sliding table shaped like a Chinese character 'tu', which can slide in the key groove 342 of the lower shell 34, the guide 6 is provided with a guide post 61, the guide post 61 can be wound by the spring 5, and can guide the spring 5 when extending and retracting, one side surface of the guide 6, which is far away from the guide post 61, is attached to the front end surface of the rear shell 4, and can slide along the key groove 342 with the subsequent shell 4, and the acting force of the spring 5 acts on the front end surface of the rear shell 4 through the guide 6.
As shown in fig. 5, the rear side of the rear housing 4 has a circular sleeve, and the circular sleeve has a boss 43 at its outer periphery, and the boss 43 can be used for stop-fitting with the protective shell 1 of the connector assembly 01. As shown in fig. 8, the protective shell includes an inner cylinder 11 and an outer cylinder 12, the outer cylinder 12 is sleeved outside the inner cylinder 11, the inner cylinder and the outer cylinder can rotate mutually, but the outer circumference of the inner cylinder 11 and the inner circumference of the outer cylinder 12 are provided with a blocking structure that blocks each other in the axial direction, the blocking structure prevents the inner cylinder 11 from being pulled out from the outer cylinder 12 in a direction away from one end of the plug unit, that is, a blocking limit is performed in a direction in which the plug is pulled out from the socket, so that a pulling force applied to the inner cylinder 11 can be transmitted to the outer cylinder 12. The inner barrel 11 is sleeved on the rear shell, the inner barrel 11 is provided with an annular stop table arranged in the axial direction and a groove arranged in the axial direction, when the inner barrel 11 is sleeved on the rear shell from back to front, a boss on the rear shell can be clamped into the groove of the inner barrel 11 to realize the rotation stop of the rear shell relative to the inner barrel 11, the front end of the inner barrel 11 is further provided with a stop plane matched with the groove on the socket to realize the rotation stop of the inner barrel 11, and the rear end face of the boss is pressed against the annular stop table of the inner barrel 11 to realize the stop limit of the rear shell in the pulling-out direction.
The connector assembly of the present invention, when in use: the wire harness 2 passes through the accommodating chamber 35 after passing through the wire passing hole 44 of the rear housing 4, then enters the front housing 3 to be connected with the inserting pin 37, then the upper cover 33 is covered and buckled with the lower shell 34 through a buckling structure, and simultaneously the wiring harness is fixed relative to the rear shell, the embodiment adopts compression fixation, and also can adopt bonding fixation, the inner cylinder 11 of the protective shell is sleeved from back to front, and the lug boss at the periphery of the rear shell enters the groove of the inner cylinder 11, then the outer cylinder 12 is sleeved on the inner cylinder 11 from back to front, a clamping ring with petal-shaped elastic fingers arranged between the inner cylinder and the outer cylinder axially blocks and limits the two, then the outer cylinder 12 rotates relative to the inner cylinder 11 to realize the threaded connection between the outer cylinder 12 and the upper helicoid of the chassis, then, screwing the sealing compression ring 13 on the outer cylinder 12 and realizing compression of a wire sealing body and the like in the screwing process, thereby sealing a gap between the outer cylinder 12 and the wire harness; when in use, the rear shell 4 and the front shell 3 are matched through the convex keys 41 and the key slots 342, so that the two can not be twisted; when the wiring harness is pulled before the protective shell is mounted, the rear shell 4 and the front shell 3 have good tensile properties due to the stopping and limiting of the first protrusion 343 and the second protrusion 42 in the pulling direction; after the protective shell is installed, when the wiring harness is pulled, the pulling force of the wiring harness is transmitted to the rear shell fixed with the wiring harness through the outer layer of the wiring harness, the rear shell is transmitted to the inner barrel 11 through the boss, the inner barrel 11 is transmitted to the outer barrel 12 through the petaloid snap ring between the inner barrel 12 and the outer barrel 12, the outer barrel 12 is transmitted to the helicoid on the case through the thread part, the first tensile protection is realized, and the second tensile protection can be realized through the tensile structure between the front shell and the rear shell after the protection fails; because the spring 5 has compression performance, the front shell 3 and the rear shell 4 can float in the plugging direction, and particularly when the outer cylinder 12 is screwed into a coil on a chassis, axial micro-adjustment can be carried out under the action of the spring, so that reliable connection is ensured.
In other embodiments: the connector assembly is not limited to the DLC plug assembly, and when only one optical fiber plug unit is installed in the fixing assembly, an LC connector assembly is formed, and when other types of plug units are installed in the fixing assembly, a corresponding connector assembly is formed, such as installing MT, SC, FC, MTP, etc. plug units in the fixing housing; the fixed component can also be provided with an electric contact piece, thereby forming an electric connector or a radio frequency connector with tensile and torsion resistant functions, and the like; the protective shell of the connector assembly may also be square or other shapes; as shown in fig. 8, the lower casing and the upper cover can also be in a split structure, and the upper cover and the lower casing are locked and buckled through the buckling structures on the two sides; as shown in fig. 8, the spring chamber for accommodating the spring may be replaced by a space surrounded by two curved tile-like structures.
The embodiment of the plug connector of the present invention is the same as the embodiments of the plug in the embodiments of the connector assembly of the present invention, and the description thereof is omitted.
The embodiments of the plug fixing assembly of the present invention are the same as the embodiments of the fixing assembly of the connector assembly of the present invention, and are not described again.
Claims (33)
1. The plug fixing assembly is characterized by comprising a front shell for mounting a plug monomer and a rear shell for allowing a wiring harness to penetrate through and fix, wherein the front shell and the rear shell are assembled in a rotation stopping manner, limiting structures for stopping and limiting in the direction of separating the front shell and the rear shell are respectively arranged on the front shell and the rear shell, a containing cavity for inserting the rear shell is formed in the front shell, an inward-turning edge is arranged at an opening of the containing cavity, an outward-turning edge is arranged on the periphery of the end part of the part, inserted into the containing cavity, of the rear shell, the inward-turning edge and the outward-turning edge jointly form the limiting structure in the pulling-out direction after the rear shell is forcibly installed in the front shell, and the limiting structure is stopped and limited in the pulling-out direction through the inward-.
2. The plug retention assembly of claim 1, wherein the front and rear housings are keyed and keyed for rotation.
3. The plug retention assembly of claim 2, wherein the key and keyway have a cross-sectional shape that is "convex" to provide a stop in a plane perpendicular to the mating direction.
4. The plug retention assembly of claim 1, further comprising a spring disposed between said front housing and said rear housing for providing a force to said rear housing in a direction of withdrawal to urge said projection on said rear housing against said projection on said front housing.
5. A connector retaining assembly according to claim 1, wherein the front housing has a first guide formation thereon, the connector retaining assembly further comprising a second guide formation located in the receiving cavity in use, the first and second guide formations being a guide hole and a guide post respectively for guiding the spring.
6. The plug retention assembly of claim 5, further comprising a force transmitting member between the spring and the rear housing, the second guide structure being located on the force transmitting member.
7. The plug retaining assembly of claim 1, wherein the front housing comprises a lower housing and an upper cover, the receiving cavity is contained within a cavity defined by the upper cover and the lower housing, and the upper cover is snap-locked to the lower housing by a snap-fit structure.
8. The plug fixing assembly according to claim 7, wherein one side of the upper cover is connected with the lower shell by an indentation structure to form a flip structure, and the other side of the upper cover is connected with the lower shell by the locking structure.
9. The plug retaining assembly of any one of claims 1-3, wherein the rear housing has two projections on the same circumference for stop-fit engagement with the shield shell in the pull-out direction and in the circumferential direction.
10. The plug connector comprises a plug fixing assembly and a plug single body and is characterized in that the plug fixing assembly comprises a front shell for mounting the plug single body and a rear shell for enabling a wiring harness to penetrate through and be fixed, the front shell and the rear shell are assembled in a rotation stopping mode, limiting structures for stopping and limiting the wiring harness in the direction of separating the front shell and the rear shell are respectively arranged on the front shell and the rear shell, a containing cavity for inserting the rear shell is formed in the front shell, an inward turning edge is arranged at an opening of the containing cavity, an outward turning edge is arranged on the periphery of the end portion of the portion, inserted into the containing cavity, of the rear shell, the inward turning edge and the outward turning edge jointly form the limiting structure, and the limiting structure is stopped and limited in the pulling direction through the inward turning.
11. The plug connector of claim 10, wherein said plug cells are LC plug cells.
12. A plug connector as recited in claim 10, wherein the front and rear housings are keyed and keyed for rotation.
13. The plug connector of claim 12, wherein the key and keyway have a cross-sectional shape that is "convex" to provide a stop in a plane perpendicular to the mating direction.
14. The plug connector of claim 10, wherein a spring is disposed between the front housing and the rear housing for providing a force to the rear housing in the direction of pull-out to urge the projection on the rear housing against the projection on the front housing.
15. A plug connector as recited in claim 10, wherein the front housing defines first guide structure, the plug retaining assembly further including second guide structure disposed in the receiving cavity in use, the first and second guide structures being a guide hole and a guide post, respectively, for guiding the spring.
16. A plug connector as recited in claim 15, wherein a force transfer member is disposed between the spring and the rear housing, the second guide structure being disposed on the force transfer member.
17. The plug connector of claim 16, wherein two of the plug units are disposed side by side on opposite sides of the first guide structure, the second guide structure is disposed in the middle of the force-transmitting member, and the force-transmitting member is further provided with threading holes for passing the wiring harness therethrough on opposite sides of the second guide structure.
18. The plug connector of claim 10, wherein the front housing includes a lower shell and an upper cover, the receiving cavity is defined by the upper cover and the lower shell, and the upper cover is snap-locked to the lower shell by a snap-fit structure.
19. The plug connector of claim 18, wherein one side of the upper cover is connected to the lower shell by an indentation structure to form a flip structure, and the other side of the upper cover is connected to the lower shell by the locking structure.
20. A plug connector according to any one of claims 10-13, wherein the rear housing has two projections on the same circumference on the outer circumference thereof for stop-fitting engagement with the shell in the pull-out direction and in the circumferential direction.
21. The connector assembly comprises a protective shell, a plug connector is installed in the protective shell and comprises a plug fixing assembly and a plug monomer, and the connector assembly is characterized in that the plug fixing assembly comprises a front shell for installing the plug monomer and a rear shell for enabling a wiring harness to penetrate through and be fixed, the front shell and the rear shell are assembled in a rotation stopping mode, limiting structures for stopping limiting in the direction of separating the front shell and the rear shell are respectively arranged on the front shell and the rear shell, a containing cavity for inserting the rear shell is formed in the front shell, an inward turning edge is arranged at an opening of the containing cavity, an outward turning edge is arranged on the periphery of the end portion of the portion, inserted into the containing cavity, of the rear shell, the inward turning edge and the outward turning edge jointly form the limiting structures, and the limiting structures are stopped and limited in the pulling direction through the inward turning edge.
22. The connector assembly of claim 21, wherein said plug cells are LC plug cells.
23. The connector assembly of claim 21 wherein the front and rear housings are keyed and keyed for rotation.
24. The connector assembly of claim 23, wherein said key and keyway are "male" in cross-sectional shape to provide a stop in a plane perpendicular to the mating direction.
25. The connector assembly of claim 21, wherein a spring is disposed between the front housing and the rear housing for providing a force to the rear housing in the direction of pull-out to urge the protrusion on the rear housing against the protrusion on the front housing.
26. A connector assembly according to claim 21, wherein the front housing has first guide formations thereon, the plug retaining assembly further comprising second guide formations located in the receiving cavity in use, the first and second guide formations being guide holes and guide posts for guiding the spring, respectively.
27. The connector assembly of claim 26 wherein a force transmitting member is further provided between the spring and the rear housing, the second guide structure being located on the force transmitting member.
28. The connector assembly of claim 27, wherein two of the plug units are arranged side by side on opposite sides of the first guide structure, the second guide structure is located in the middle of the force-transmitting member, and the force-transmitting member is further provided with threading holes for the passage of the wiring harness on opposite sides of the second guide structure.
29. The connector assembly of claim 21, wherein the front housing is formed of a lower housing and an upper cover, the receiving cavity is contained within a cavity defined by the upper cover and the lower housing, and the upper cover is snap-locked to the lower housing by a snap-fit structure.
30. The connector assembly of claim 29, wherein one side of the upper cover is connected to the lower housing by an indentation structure to form a flip structure, and the other side of the upper cover is snap-connected to the lower housing by the snap structure.
31. The connector assembly according to any one of claims 21 to 24, wherein the rear housing has two projections on the same circumference on the outer circumference thereof for stop-fitting engagement with the shield shell in the pulling-out direction and in the circumferential direction.
32. A connector assembly according to any one of claims 21 to 24, wherein the shield comprises an inner barrel and an outer barrel, the rear housing and the inner barrel being retained in the withdrawal direction by a stop, the outer barrel being rotatably mounted on the inner barrel, the inner and outer barrels being retained in the withdrawal direction by a stop, the outer barrel having a thread thereon for engaging a threaded ring on the socket.
33. The connector assembly of claim 32, wherein the shield shell further comprises a sealing clamp ring threadably coupled to the outer barrel and adapted to seal a gap between the shield shell and the wiring harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600264.4A CN109286106B (en) | 2017-07-21 | 2017-07-21 | Plug fixing assembly, plug connector and connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600264.4A CN109286106B (en) | 2017-07-21 | 2017-07-21 | Plug fixing assembly, plug connector and connector assembly |
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| Publication Number | Publication Date |
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| CN109286106A CN109286106A (en) | 2019-01-29 |
| CN109286106B true CN109286106B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710600264.4A Active CN109286106B (en) | 2017-07-21 | 2017-07-21 | Plug fixing assembly, plug connector and connector assembly |
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| CN (1) | CN109286106B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110471176A (en) * | 2019-08-14 | 2019-11-19 | 广州珀泰检测仪器有限公司 | A kind of industrial endoscope maintained easily |
| CN110477903B (en) * | 2019-09-12 | 2022-03-11 | 河南科技大学第一附属医院 | Lead wire group for electrocardiograph easy to arrange |
| CN110927889B (en) * | 2019-10-25 | 2022-01-25 | 中航光电科技股份有限公司 | Optical fiber plug connector and assembly in one-time butt joint |
| CN110727062A (en) * | 2019-11-28 | 2020-01-24 | 上海航天科工电器研究院有限公司 | High-sealing tensile optical fiber connector assembly |
| CN112698449A (en) * | 2020-12-25 | 2021-04-23 | 上海天诚通信技术股份有限公司 | Dual-locking LC connector |
| CN216354852U (en) * | 2021-09-22 | 2022-04-19 | 中航光电科技股份有限公司 | Tensile connector |
| CN116780290A (en) * | 2022-03-10 | 2023-09-19 | 普罗斯通信技术（苏州）有限公司 | Communication cable connector and communication cable connecting assembly |
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| CN109286106A (en) | 2019-01-29 |
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