CN102013596A - Connector for BNC sealed radio frequency coaxial socket - Google Patents

Abstract

The invention relates to a connector for a bayonet nut connector (BNC) sealed radio frequency coaxial socket. The socket consists of a shell, a jack and a tail auxiliary component, wherein a first insulator is arranged between the shell at an insert end of the socket and the radial direction of the jack; the outer end of the first insulator is axially pressed in the shell through a grip ring; a first seal ring which is sleeved on the jack is pressed between the inner end of the first insulator and the axial direction of the shell; a second flat gasket, a second seal ring, a first flat gasket and a ,mesh are pressed on a jacket of a groove nut, which is sleeved on a cable sequentially, so that the cable is locked at the tail end of the socket; and a cruciform slot nut presses a thorn spring gasket on an assembly joint surface of socket assembly equipment to ensure that a third seal ring in a groove is pressed on the assembly joint surface. The inner cavity of the insert end of the socket, the socket tail end, a cable connecting end, the assembly joint surface of the assembly equipment and the socket are sealed by triple seal rings respectively, the connector has a compact structure and good sealing performance of inner assembly and outer assembly, can effectively prevent external moisture from entering cabin equipment in which a socket is assembled, and can be safely used.

Description

BNC closed type radio-frequency (RF) coaxial socket connector

 

Technical field

The present invention relates to a kind of coaxial socket connector, be a kind of BNC closed type radio-frequency (RF) coaxial socket connector specifically, be applicable in the loop of rf of wireless device and electronic instrument to be connected soft radio frequency coaxial-cable, to utilize bayonet socket bindiny mechanism to reach 2 grades of radio frequency (RF) coaxial connectors of BNC series contact pin contacting piece quick connection or separation, that use for low-power.

Background technology

BNC series connector is one of most widely used connector, be applied to antenna, switching equipment, data communication occasions such as radio communication, and above-mentioned occasion mostly is in open-air occasion, the conventional radio frequency coaxial connector only is provided with waterproof construction inside and outside the socket and plug junction, as the disclosed closed type rapid insertion self-locking type RF coaxial connector of patent No. CN200820006167.9, under the connection status of connector, the taper seat of plug outer conductor pushes the sealing ring on the socket outer conductor inwall automatically, thereby play the outside seal of plug and socket, but the inner chamber of socket does not have waterproofing design, open-air aqueous vapor easily sees through in the connector access arrangement, the electronic devices and components of damage equipment inside, water resistance is lower, can not adapt to the need of work of open-air rainwater or underwater installation.

Summary of the invention

In order to solve the inner no waterproof construction of connector in the prior art; the interior waterproof performance is low; the fragile deficiency that waits of connector body erection unit internal electronic element; the purpose of this invention is to provide a kind of compact conformation; socket interior waterproof performance height; good seal performance, the BNC closed type radio-frequency (RF) coaxial socket connector that can effectively protect connector body erection unit internal electronic element not damaged by aqueous vapor.

The technical solution used in the present invention is: a kind of BNC closed type radio-frequency (RF) coaxial socket connector, socket is made up of housing, jack and afterbody annex, the housing of socket mating side and jack are provided with first insulator between radially, in housing, its technical characterstic is the inner and housing shaft of described first insulator to compressing first sealing ring that is set on the jack through the pressure ring axial compression in the first insulator outer end.

Described afterbody annex is located at hub tail, comprises net and line ball nut, net through the line ball nut shaft in locking onto socket.

Be provided with second insulator between described net and jack are axial.

Be provided with first plain cushion, second sealing ring and second plain cushion between described net and the line ball nut, net is set on the insulating barrier of cable, first and second plain cushion and second sealing ring all are set on the screen, the line ball nut sleeve be loaded on compress successively on the sheath of cable second plain cushion, second sealing ring, first plain cushion and net with cable locking in the socket tail end.

Leave groove on the housing of the installation faying face one side socket of described socket erection unit, be provided with the 3rd sealing ring in the groove.

Suit spinosity spring packing ring and cross recess nut on the housing of the installation faying face opposite side socket of described socket erection unit, cross recess nut will sting the installation faying face that the spring packing ring is pressed on the socket erection unit is pressed on the installation faying face of socket erection unit the 3rd sealing ring in the groove.

After adopting above technical scheme, the beneficial effect that the present invention reaches:

1, first sealing ring is placed on the jack, first insulator outer by jack is pressed together on socket mating side inner chamber through pressure ring, cooperate between first sealing ring and the socket mating side closely, the jack and the first sealing ring crush seal, socket mating side bore seal performance is good, can prevent that aqueous vapor from penetrating in the engine room facilities by socket mating side inner chamber and jack;

2, second ring set is on cable shield, by first and second plain cushion through line ball nut check in hub tail, second sealing ring and first and second plain cushion lock, second sealing ring and cable shield crush seal, the good seal performance of cable and socket prevents that further aqueous vapor from penetrating in the engine room facilities by hub tail and cable junction;

3, the 3rd sealing ring places in the groove on the housing, to sting the spring packing ring by the cross recess nut is pressed on the installation faying face of socket erection unit and by faying face is installed the 3rd sealing ring is pressed in the groove, compress sealing on the installation faying face of the 3rd sealing ring and socket erection unit, can prevent that aqueous vapor is by in the housing installation faying face infiltration engine room facilities.

The present invention adopts first, second and third sealing ring respectively the installation faying face of socket mating side inner chamber, hub tail and cable link, socket and erection unit to be sealed; its compact conformation; reasonable in design; socket inside, the outside good seal performance of installing; can prevent effectively that outside aqueous vapor from entering in the engine room facilities that socket installs by socket is inside and outside; guarantee that the electronic component in the engine room facilities is safe in utilization, the security performance height.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a construction of cable schematic diagram;

Fig. 3 is a cable mounting structure schematic diagram.

Among the figure: housing 1,pressure ring 2, the first insulators 3, jack 4, first sealing ring, 5, the second insulators 6, cross recess nut 7, thorn spring packing ring 8, groove 9, the three sealing rings 10, net 11, the first plain cushions 12, second plain cushion, 121, the second sealing rings 13, line ball nut 14, faying face 15 is installed,cable 16, inner wire 17,insulating barrier 18, screen 19,sheath 20.

Embodiment

The invention will be further described below in conjunction with drawings and Examples.

Shown in Figure 1, BNC closed type radio-frequency (RF) coaxial socket connector mainly comprises housing 1,pressure ring 2, jack 4, first insulator 3, second insulator 6, first sealing ring 5, second sealing ring 13, the 3rd sealing ring 10, cross recess nut 7, thorn spring packing ring 8, net 11, first plain cushion 12, secondplain cushion 121 and line ball nut 14.Be provided withpressure ring 2, jack 4, first insulator 3 and first sealing ring 5 in the mating side inner chamber of the housing 1 of socket mating side, first insulator 3 and first sealing ring 5 all closely be set in housing 1 inner chamber and jack 4 radially between,pressure ring 2 successively first insulator 3 and first sealing ring 5 are pressed on housing 1 inner chamber and jack 4 axially between; Hub tail is provided with net 11, first plain cushion 12, second sealing ring 13, secondplain cushion 121 and line ball nut 14, line ball nut 14 lock onto secondplain cushion 121, second sealing ring 13, first plain cushion 12 and net 11 in hub tail housing 1 inner chamber successively, being axially arranged with second insulator, 6, the second insulators 6 that are pressed in housing 1 inner chamber in the housing 1 between net 11 and the jack 4 closely contacts with housing 1 inner chamber; Leave groove 9 on the Socket casing 1, be provided with the 3rd sealing ring 10 in the groove 9, the socket mating side is provided with cross recess nut 7 and thorn spring packing ring 8 successively on the housing 1 of groove 9 directions.

Shown in Fig. 2-3,cable 16 is followed successively by inner wire 17,insulating barrier 18, screen 19 andsheath 20 behind wire stripping, BNC closed type radio-frequency (RF) coaxial socket connector hub tail of the present utility model connects, the inner wire 17 ofcable 16 connects jack 4, theinsulating barrier 18 ofcable 16 is positioned at second insulator 6, second sealing ring 13 is in the time of line ball nut 14 axial compression and screen 19 crush seals ofcable 16, and line ball nut 14 is thesheath 20 oflocking cable 16 simultaneously; Socket casing 1 passes the installation faying face 15 of engine room facilities, thorn spring packing ring 8 and groove 9 lay respectively at the both sides that faying face 15 is installed, and tighten cross recess nut 7 and make the 3rd sealing ring 10 in the groove 9 hold out against the another side that faying face 15 is installed through thorn spring packing ring extruding installation faying face 15 one sides.

When BNC closed type radio-frequency (RF) coaxial socket connector of the present invention is installed, put second sealing ring, first insulator, pressure ring at first successively and be pressed into socket mating side housing inner chamber and compress sealing; The inner wire of cable is stretched into and connect in hub tail then with the bonding wire eyelet welding of jack, be enclosed within first and second plain cushion and second sealing ring on the cable shield and, by the line ball nut cable cover(ing) be locked at hub tail again by the line ball nut by the sealing of second sealing ring extruding screen; At last housing is installed on the installation faying face of engine room facilities, by cross recess nut, thorn spring packing ring housing and equipment are locked, compress on housing and the equipment installation faying face by the 3rd sealing ring in the housing upper groove simultaneously and realize sealing, the sealing fully of engine room facilities inside and equipment junction, ne-leakage, the security performance height.

Claims (6)

1. BNC closed type radio-frequency (RF) coaxial socket connector, socket is made up of housing (1), jack (4) and afterbody annex, the housing of socket mating side and jack are provided with first insulator (3) between radially, the first insulator outer end is characterized in that in housing through pressure ring (2) axial compression: compress first sealing ring (5) that is set on the jack (4) between described first insulator (3) the inner and housing (1) are axial.

2. BNC closed type radio-frequency (RF) coaxial socket connector according to claim 1, it is characterized in that: described afterbody annex is located at hub tail, comprises net (11) and line ball nut (14), net through the line ball nut shaft in locking onto socket.

3. BNC closed type radio-frequency (RF) coaxial socket connector according to claim 2 is characterized in that: be provided with second insulator (6) between described net (11) and jack (4) are axial.

4. BNC closed type radio-frequency (RF) coaxial socket connector according to claim 2, it is characterized in that: be provided with first plain cushion (12), second sealing ring (13) and second plain cushion (121) between described net (11) and the line ball nut (14), net is set on the insulating barrier (18) of cable (16), first and second plain cushion and second sealing ring all are set on the screen (19), the line ball nut sleeve be loaded on compress successively on the sheath (20) of cable second plain cushion, second sealing ring, first plain cushion and net with cable locking in the socket tail end.

5. BNC closed type radio-frequency (RF) coaxial socket connector according to claim 1 is characterized in that: leave groove (9) on the Socket casing of installation faying face (15) one sides of described socket erection unit, be provided with the 3rd sealing ring (10) in the groove.

6. BNC closed type radio-frequency (RF) coaxial socket connector according to claim 5, it is characterized in that: suit spinosity spring packing ring (8) and cross recess nut (7) on the Socket casing of installation faying face (15) opposite side of described socket erection unit, cross recess nut will sting the installation faying face that the spring packing ring is pressed on the socket erection unit is pressed on the installation faying face of socket erection unit the 3rd sealing ring (10) in the groove (9).

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