CN109119818A - A kind of cylindrical connector and connector assembly - Google Patents

A kind of cylindrical connector and connector assembly Download PDF

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Publication number
CN109119818A
CN109119818A CN201710495496.8A CN201710495496A CN109119818A CN 109119818 A CN109119818 A CN 109119818A CN 201710495496 A CN201710495496 A CN 201710495496A CN 109119818 A CN109119818 A CN 109119818A
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CN
China
Prior art keywords
connector
sealing ring
socket
terminal
sleeve
Prior art date
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Granted
Application number
CN201710495496.8A
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Chinese (zh)
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CN109119818B (en
Inventor
李瑶
胡国闯
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China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical Technology Co Ltd
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Publication date
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Priority to CN201710495496.8A priority Critical patent/CN109119818B/en
Publication of CN109119818A publication Critical patent/CN109119818A/en
Application granted granted Critical
Publication of CN109119818B publication Critical patent/CN109119818B/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219Sealing means between coupling parts, e.g. interfacial seal
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases

Abstract

The present invention relates to a kind of cylindrical connector and connector assemblies.Connector assembly includes pin connector and socket connector, pin connector includes plug casing, plug casing periphery is rotatably equipped with connector sleeve, pin connector further includes the inserted terminal mutually plugged together with socket connector, the outer peripheral surface of inserted terminal is equipped with rotation stop spline, the periphery of rotation stop spline is equipped with sealing ring, is equipped with the annular groove that the deformation space of sealing ring radial direction is supplied to when sealing ring is compressed axially by the inserted terminal front end face of socket connector on the inner peripheral surface of connector sleeve at the position for corresponding to sealing ring.Annular groove make sealing ring by Socket casing axial compression, radial deformation when with sufficiently large deformation space, simultaneously, the sealing ring in gap will not be caused to be damaged because the gap between connector sleeve inner wall and spline is too small when screwing connector sleeve, improve the service life of sealing ring, and resistance when to screw becomes smaller, and screws more labor-saving.

Description

A kind of cylindrical connector and connector assembly
Technical field
The present invention relates to a kind of cylindrical connector and connector assemblies.
Background technique
Cylindrical connector generally requires have the characteristics such as sealing, antivibration, locking, so as to Aeronautics and Astronautics, weapon, The fields such as well logging use.Circular plug connector and circular socket connector generally realize that locking connects by connector sleeve after plugging together It connects, connector sleeve rolling assembling has between the inserted terminal and connector sleeve of pin connector for supplying on pin connector shell The inserted terminal insertion of socket connector plugs together space, and the inserted terminal outer peripheral surface of pin connector is additionally provided with for connecting with socket The inserted terminal of device carries out the rotation stop spline of rotation stop cooperation.In order to realize the sealing of socket connector and socket connector, generally exist Sealing ring is installed in the periphery of the inserted terminal of pin connector, and after pin connector and socket connector plug together, sealing ring is inserted The inserted terminal end face of base connector is squeezed and deformed to realize the sealing between plug and socket.
But above-mentioned connector has the following problems: the narrow space between connector sleeve and splines shell, in this space After sealing ring is arranged, when connector sleeve is swivel nut, when screwing swivel nut, the internal screw thread of swivel nut can scratch sealing ring;When connector sleeve is When snapping connection set, although there is no screw thread inside connector sleeve, when screwing connector sleeve, due to connector sleeve inner peripheral surface and sealing Friction between circle still will lead to sealing ring and be extruded damage.Therefore both connector sleeves can be such that sealing ring damages, in turn The service life of sealing ring is influenced, meanwhile, resistance is larger during screwing, and causes high effort for.
Summary of the invention
It is avoided that sealing ring is connected the cylindrical connector damaged when set rotates the purpose of the present invention is to provide a kind of;This The purpose of invention, which also resides in, provides a kind of connector assembly using the cylindrical connector.
To achieve the above object, cylindrical connector of the invention adopts the following technical scheme that:
Technical solution 1: cylindrical connector includes shell, and shell periphery is rotatably equipped with connector sleeve, and the cylindrical connector also wraps The inserted terminal for mutually plugging together with socket connector is included, the outer peripheral surface of inserted terminal is equipped with rotation stop spline, the periphery of rotation stop spline Sealing ring is installed, be equipped at the position for corresponding to sealing ring on the inner peripheral surface of the connector sleeve in sealing ring by socket Inserted terminal front end face is supplied to the annular groove of the deformation space of sealing ring radial deformation when compressing axially.
Technical solution 2: on the basis of technical solution 1, corresponding to sealing ring in each spline of the rotation stop spline Position at be equipped with sealing ring holding tank.
Technical solution 3: on the basis of technical solution 2, diameter of a circle is greater than the interior of sealing ring where the slot bottom of holding tank Diameter.
Technical solution 4: on the basis of technical solution 1-3 any one, the sealing ring is that opening is connected away from socket The V-shaped seal ring of the inserted terminal front end face of device.
Technical solution 5: on the basis of technical solution 1-3 any one, the connector sleeve is threaded connecting sleeve.
Cylindrical connector of the present invention the utility model has the advantages that the inner peripheral surface of the connector sleeve of cylindrical connector be equipped with annular groove, The setting of annular groove ensures sealing ring when being compressed axially by Socket casing and radial deformation with sufficiently large deformation Space, meanwhile, it will not cause in gap because the gap between connector sleeve inner wall and spline is too small when screwing connector sleeve Sealing ring is scratched or squeezes wound, the service life of sealing ring is improved, in addition, due to no longer squeezing sealing when connector sleeve screws Circle, so that resistance when screwing becomes smaller, screws more labor-saving.
Connector assembly of the invention adopts the following technical scheme that:
Technical solution 1: connector assembly includes pin connector and socket connector, and pin connector includes plug casing, is inserted Casing periphery is rotatably equipped with connector sleeve, and pin connector and socket connector include the plug inserted terminal mutually plugged together and insert The outer peripheral surface of seat inserted terminal, plug inserted terminal is equipped with rotation stop spline, and the periphery of rotation stop spline is equipped with sealing ring, socket connector Including Socket casing, it is equipped in sealing ring at the position for corresponding to sealing ring by socket grafting on the inner peripheral surface of the connector sleeve The annular groove of the deformation space of sealing ring radial deformation is supplied to when the front end face axial compression of end.
Technical solution 2: on the basis of technical solution 1, corresponding to sealing ring in each spline of the rotation stop spline Position at be equipped with sealing ring holding tank.
Technical solution 3: on the basis of technical solution 2, diameter of a circle is greater than the interior of sealing ring where the slot bottom of holding tank Diameter.
Technical solution 4: on the basis of technical solution 1-3 any one, the sealing ring is that opening is connected away from socket The V-shaped seal ring of the inserted terminal front end face of device.
Technical solution 5: on the basis of technical solution 1-3 any one, the connector sleeve is threaded connecting sleeve.
Technical solution 6: on the basis of technical solution 1-3 any one, the periphery of socket connector is equipped with colour band, even Female connector can be covered on colour band to indicate information in place when connecting with socket connector.
The beneficial effect of connector assembly of the present invention is: setting on the connector sleeve inner peripheral surface of the pin connector of connector assembly There is annular groove, the setting of annular groove ensures that sealing ring has foot in the axial compression by Socket casing and radial deformation Enough big deformation spaces, meanwhile, it will not be led because the gap between connector sleeve inner wall and spline is too small when screwing connector sleeve Cause gap in sealing ring be scratched or squeeze wound, improve the service life of sealing ring, in addition, due to when connector sleeve screws no longer Sealing ring is squeezed to screw more labor-saving so that resistance when screwing becomes smaller.
Further, axial block limit, i.e. fixed seal ring can be carried out to sealing ring by the setting of holding tank, relatively Have the advantages that convenient for disassembly and assembly, assembly efficiency is high in traditional adhesive means fixed seal ring,
Further, since diameter of a circle where the slot bottom of holding tank is greater than the internal diameter of sealing ring, so that sealing ring can be with banding In holding tank, sealing ring guarantees sealing ring and holding tank knot by being not easy to jump out from holding tank after feeding into holding tank by force It closes closely, i.e., it is solid and reliable when sealing ring is installed.
Further, V-shaped seal ring has good compressibility, and deflection is big, can better seal socket and plug Connection gap.
Further, connector sleeve is connect using rotary screwing thread connection type with socket connector, easy to connect reliable.
Further, on socket connector the setting of colour band so that plug can understand after connecting in place with socket connector Find out, with remind user connection in place.
Detailed description of the invention
Fig. 1 is the specific embodiment structural schematic diagram of connector assembly of the invention;
Fig. 2 is the structural schematic diagram of the pin connector in Fig. 1;
Fig. 3 is the partial enlarged view in Fig. 2 at A;
Fig. 4 is the structural schematic diagram of the socket connector in Fig. 1;
In figure: 1- pin connector, 11- plug casing, 12- inserted terminal, 13- connector sleeve, 131- annular groove, 14- insulator, 15- rotation stop spline, 151- holding tank, 16- sealing ring, 2- socket connector, 21- Socket casing, 22- colour band, 3- contact.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of connector assembly of the invention, as shown in Figure 1, connector assembly includes 1 He of pin connector Socket connector 2, two connectors are mutually inserted the conducting that both ends harness is realized in cooperation, and the connector assembly of the present embodiment is electricity Connector assembly, harness transmission is electric signal.
As shown in Figure 2,3, pin connector 1 includes plug casing 11, passes through insulation at the inserted terminal 12 of plug casing 11 Body 14 is packaged with contact 3, and contact 3 is used to be adapted to grafting with the contact 3 on socket connector 2.Insulator 14, which stretches out, to be inserted Except casing 11, and extend to the side of plugging direction.Connection is rotatably equipped on 12 periphery of inserted terminal of plug casing 11 Set 13,13 one end of connector sleeve and 11 rotatable engagement of plug casing, the other end are located at except insulator 14, connector sleeve 13 and plug The Stop structure in axial mutually block cooperation is additionally provided at 11 cooperation of shell, so that connector sleeve 13 can only be relative to plug Shell 11, which rotates without, to be moved axially.Connector sleeve 13 has internal screw thread, for cooperating with the external screw thread on Socket casing 21, Realization pin connector 1 is connected and fixed with socket connector 2.There is gap between 14 outer peripheral surface of connector sleeve 13 and insulator, I.e. insulator 14 is not contacted with connector sleeve 13.
As shown in figure 3,13 inner peripheral surface of connector sleeve is equipped with annular groove 131, annular groove 131 is set against plug casing 11 It sets.Insulator 14 is equipped with rotation stop spline 15, and the position of the corresponding annular groove 131 of rotation stop spline 15 is equipped with holding tank 151, accommodates Sealing ring 16 is housed in slot 151, the Assurance of Size sealing ring 16 of holding tank 151 by fill by force mode be packed into after holding tank 151 with Holding tank 151 is tight fit, i.e., sealing ring 16 has certain pretightning force, and the cell wall of holding tank 151 can carry out axis to sealing ring 16 To limit, the sealing ring 16 during grafting is prevented to be axially moveable, since 16 banding of sealing ring is in holding tank 151, that is, covered In the holding tank 151 on spline periphery, guarantee the reliability of the installation of sealing ring 16.Sealing ring 16 uses section for the O of U-shaped Type rubber ring has good deformation behavior.
As shown in figure 4, socket includes Socket casing 21, passes through insulator 14 in Socket casing 21 and be packaged with contact 3, insert The periphery of seat shell body 21 is equipped with colour band 22, the outside of connector sleeve 13 after the position corresponding plug and socket of colour band 22 plug together in place Edge position plugs together information in place with this indicating plug connector 1 and socket connector 2.
Connector assembly of the invention is when in use: when pin connector 1 to be inserted into socket connector 2, through rotation stop The guiding of spline 15 guarantees insertion smoothly and has rotation stopping function, makes plug and socket each other by screwing connector sleeve 13 when plugging together It is close, during screwing connector sleeve 13, since the annular that the inside of connector sleeve 13 corresponds to the position setting of sealing ring 16 is recessed The presence of slot 131, sealing ring 16 not will receive the extruding of connector sleeve 13, therefore will not be connected set 13 and scratch, with what is plugged together It carries out, Socket casing 21 starts Contact Seal ring 16 and squeezes sealing ring 16 towards the end face of plug casing 11, such as Fig. 1 institute Show, annular groove 131 is provided to the deformation space of 16 radial deformation of sealing ring, therefore sealing ring 16 there can be biggish compression Deflection can stop when further compression makes the outer end of connector sleeve 13 reach the specified position plugged together in place of colour band 22 It screws, completes to plug together.
In other embodiments: connector assembly can also be used for transmission optical signal, and connector assembly at this time is light connects Device assembly, including optical connector plug and optical connector socket, are still connected using connector sleeve between plug and socket, and dependence is close Seal is sealed;Connector sleeve can also be not provided with internal screw thread, but be connect by the way of snapping connection with socket connector;Ring The section of connected in star is not limited to rectangle shown in Fig. 1-3, also can be replaced arc-shaped, trapezoidal etc.;Sealing ring also can be replaced Y Type sealing ring or O-ring seal etc..
The embodiment of cylindrical connector of the invention: cylindrical connector can be socket connector or pin connector, insert The embodiment of head connector is identical as each embodiment of pin connector in each embodiment of connector assembly of the invention, no It repeats again.When cylindrical connector is socket connector, connector sleeve rolling assembling is on Socket casing, and relative to Socket casing Axial block, pin connector and socket connector to it is slotting when, be connected by the connector sleeve on Socket casing with plug casing; Sealing ring also can be replaced the elastic seal ring of other materials.

Claims (11)

1. cylindrical connector, including shell, shell periphery is rotatably equipped with connector sleeve, the cylindrical connector further include for The outer peripheral surface of the inserted terminal that socket connector mutually plugs together, inserted terminal is equipped with rotation stop spline, and the periphery of rotation stop spline is equipped with close Seal, which is characterized in that be equipped at the position for corresponding to sealing ring in sealing ring quilt on the inner peripheral surface of the connector sleeve Socket inserted terminal front end face is supplied to the annular groove of the deformation space of sealing ring radial deformation when compressing axially.
2. cylindrical connector according to claim 1, which is characterized in that in correspondence in each spline of the rotation stop spline The holding tank of sealing ring is equipped at the position of sealing ring.
3. cylindrical connector according to claim 2, which is characterized in that diameter of a circle is greater than close where the slot bottom of holding tank The internal diameter of seal.
4. cylindrical connector according to claim 1 to 3, which is characterized in that the sealing ring is that opening deviates from The V-shaped seal ring of the inserted terminal front end face of socket connector.
5. cylindrical connector according to claim 1 to 3, which is characterized in that the connector sleeve is to be threadedly coupled Set.
6. connector assembly, including pin connector and socket connector, pin connector includes plug casing, outside plug casing It is rotatably equipped with connector sleeve week, pin connector and socket connector include the plug inserted terminal mutually plugged together and socket grafting End, the outer peripheral surface of plug inserted terminal are equipped with rotation stop spline, and the periphery of rotation stop spline is equipped with sealing ring, and socket connector includes inserting Seat shell body, which is characterized in that be equipped at the position for corresponding to sealing ring on the inner peripheral surface of the connector sleeve and inserted in sealing ring The annular groove of the deformation space of sealing ring radial deformation is supplied to when seat inserted terminal front end face axial compression.
7. connector assembly according to claim 6, which is characterized in that in correspondence in each spline of the rotation stop spline The holding tank of sealing ring is equipped at the position of sealing ring.
8. connector assembly according to claim 7, which is characterized in that diameter of a circle is greater than close where the slot bottom of holding tank The internal diameter of seal.
9. according to connector assembly described in claim 6-8 any one, which is characterized in that the sealing ring is that opening deviates from The V-shaped seal ring of the inserted terminal front end face of socket connector.
10. according to connector assembly described in claim 6-8 any one, which is characterized in that the connector sleeve is screw thread company Female connector.
11. according to connector assembly described in claim 6-8 any one, characterized in that set on the periphery of socket connector There is the colour band for being used to indicate connector sleeve locked position.
CN201710495496.8A 2017-06-26 2017-06-26 Circular connector and connector assembly Active CN109119818B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710495496.8A CN109119818B (en) 2017-06-26 2017-06-26 Circular connector and connector assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710495496.8A CN109119818B (en) 2017-06-26 2017-06-26 Circular connector and connector assembly

Publications (2)

Publication Number Publication Date
CN109119818A true CN109119818A (en) 2019-01-01
CN109119818B CN109119818B (en) 2021-06-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710495496.8A Active CN109119818B (en) 2017-06-26 2017-06-26 Circular connector and connector assembly

Country Status (1)

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CN (1) CN109119818B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2532599Y (en) * 2002-03-27 2003-01-22 四川华丰企业集团有限公司 Water, moisture and salt fog resistant connector
CN201789096U (en) * 2010-06-22 2011-04-06 中航光电科技股份有限公司 Double-layer USB electric connector plug
CN102544894A (en) * 2012-03-02 2012-07-04 上海航天科工电器研究院有限公司 Three-proof connector
CN205248537U (en) * 2015-12-30 2016-05-18 临沂市海纳电子有限公司 Novel many media interface connector of fine definition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2532599Y (en) * 2002-03-27 2003-01-22 四川华丰企业集团有限公司 Water, moisture and salt fog resistant connector
CN201789096U (en) * 2010-06-22 2011-04-06 中航光电科技股份有限公司 Double-layer USB electric connector plug
CN102544894A (en) * 2012-03-02 2012-07-04 上海航天科工电器研究院有限公司 Three-proof connector
CN205248537U (en) * 2015-12-30 2016-05-18 临沂市海纳电子有限公司 Novel many media interface connector of fine definition

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