CN211859035U

CN211859035U - High-pressure self-centering blind-mating floating connector

Info

Publication number: CN211859035U
Application number: CN202020775703.2U
Authority: CN
Inventors: 陈学军; 严良勇
Original assignee: Chengdu Hezhong Baogen Electronics Co ltd
Current assignee: Chengdu Hezhong Baogen Electronics Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-11-03
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a high-pressure self-centering blind-mating floating connector, which comprises a plug and a socket, wherein the plug comprises a jack sleeve, one end of the jack sleeve, which is connected with an inner conductor, is in insulated connection with a hollow spherical column, the ball head end of the spherical column is provided with an elastic ring, the spherical column is externally provided with a fastener, and the elastic ring is fixed in the fastener through a support; the socket comprises an adapter plug, one end of the adapter plug is inserted into the first jack, and the other end of the adapter plug is fixedly connected with the inner conductor of the cable. The ball-shaped column in the plug can realize rotation, swing and transverse movement, the creepage distance is prolonged in the plug and the socket through a plastic package process, and the voltage-resistant grade is greatly improved in a limited space.

Description

High-pressure self-centering blind-mating floating connector

Technical Field

The utility model relates to a connector technical field, concretely relates to high-pressure is from centering blind plug connector that floats.

Background

The high-voltage self-centering blind-mating floating connector is a connector for transmitting instantaneous high-voltage and large current, and the conventional operation in application is to push up a pre-installed integral lamp box with a plug to be matched with a socket prefabricated at the upper end, so that current and voltage are transmitted.

Generally, the main problems of high-voltage connectors are:

1. the floating part is a corrugated pipe and other similar structures, the axial expansion and contraction and the radial swing of the connector are realized through the elasticity of the corrugated pipe, and the structure of the corrugated pipe determines that the fatigue resistance reliability of the connector is insufficient, the permanent deformation problem is easy to occur after the connector is used, the connector needs to be corrected manually, otherwise, the connector fails and is scrapped, and the radial and axial swing/floating ranges are not easy to control;

2. the pressure resistance range is limited due to the limitation of the overall dimension structure, and in order to make the pressure resistance reach the standard, a plurality of layers of sealing rings are used for sealing, so that the problems of overlarge plugging force of the connector, low pressure resistance range and the like are caused;

3. the outgoing cable lacks a suitable fixing mechanism, and the risk of damaging the connector and the cable is lost during the swinging process of the cable.

SUMMERY OF THE UTILITY MODEL

The aforesaid to prior art is not enough, the utility model provides a high withstand voltage, high reliable high pressure are from centering blind plug connector that floats.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the high-voltage self-centering blind-mating floating connector comprises a plug and a socket, wherein the plug comprises a jack sleeve, one end of the jack sleeve is provided with a first jack, the other end of the jack sleeve is connected with an inner conductor of a cable, and a plug outer shell is arranged outside the jack sleeve; one end of the jack sleeve, which is connected with the inner conductor, is in insulated connection with the hollow spherical column, the ball head end of the spherical column is provided with an elastic ring, a fastener is arranged outside the spherical column, and the elastic ring is fixed in the fastener through a support;

the socket comprises an adapter plug, one end of the adapter plug is inserted into the first jack, and the other end of the adapter plug is fixedly connected with the inner conductor of the cable; the adapter plug is arranged in the socket shell, the cable is fastened outside the socket through the Glan head, and the end part of the socket shell and the end part of the plug shell are provided with guide angles.

The utility model has the advantages that: the scheme is used for realizing high-voltage conduction, one end of the cable is connected and conducted with the jack sleeve through a compression joint process, and the jack is arranged in the jack sleeve, so that a jack structure is provided for the plugging of the plug and the socket; the adapter plug of the socket has double functions of the contact pin and the connecting jack, the jack end can be inserted into the contact pin of the pressed lamp wire, and the contact pin can be matched with the jack of the plug to realize high-voltage connection and conduction of the plug and the socket.

Rotation, swing and lateral shifting can be realized to the ball-type post in the plug, and elastic support ring plays and lets the ball-type post return the effect of normal position, lets the ball-type post in the position placed in the middle at non-atress state, and the plug of being convenient for is inserted and is closed, and the spacing ring can accurately limit the swing angle of ball-type post simultaneously, and the X/Y/Z three-dimensional accurate motion of plug provides the guarantee, and the guiding angle of joining in marriage and plug tip, guiding angle realize between plug and socket from centering floating blind plugging. Creepage distance is prolonged through a plastic package process in the plug and the socket, and voltage-resistant level is greatly improved in a limited space.

Drawings

Fig. 1 is a sectional view of the structure of the plug and the socket.

Fig. 2 is a cross-sectional view of the plug.

Fig. 3 is a cross-sectional view of the socket.

Wherein, 1, an inner conductor, 2, a cable, 3, a floating lock nut, 4, a floating collet chuck, 5, a lock screw, 6, a support, 7, a top cover lock nut, 8, an elastic ring, 9, a first retaining ring, 10, a spherical column, 11, a second retaining ring, 12, a top cover, 13, an elastic support ring, 14, a limit ring, 15, a flange, 16, a plug lock nut, 17, a first soft seal ring, 18, a first molded plastic package, 19, a plug housing, 20, a socket housing, 21, a socket housing, 22, an adaptor plug, 23, a first seal ring, 24, a bolt, 25, a reinforcing flange, 26, a pin, 27, a hole sleeve, 28, a gasket, 29, a third seal ring, 30, a second molded plastic package, 31, a second soft seal ring, 32, a hard seal ring, 33, a gland, a 34, a nut, 35, a second insert, 36, and an annular insert, 37. and a second seal ring.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

As shown in fig. 1 to 3, the high-voltage self-centering blind-mating floating connector comprises a plug and a socket, the plug comprises a jack sleeve 20, one end of the jack sleeve 20 is provided with a first jack, the other end of the jack sleeve 20 is connected with an inner conductor 1 of a cable 2, and a plug outer shell 19 is arranged outside the jack sleeve 20; one end of the jack sleeve 20, which is connected with the inner conductor 1, is connected with the hollow sphere-shaped column 10 in an insulating mode, an elastic ring 8 is arranged at the ball head end of the spherical column 10, a fastening piece is arranged outside the spherical column 10, and the elastic ring 8 is fixed in the fastening piece through a support 6.

The socket comprises an adapter plug 22, one end of the adapter plug 22 is inserted into the first jack, and the other end of the adapter plug 22 is fixedly connected with the inner conductor 1 of the cable 2; the patch plug 22 is arranged within the socket housing 21 and the cable 2 is secured to the socket housing 21 by means of a glan-head 33, the end of the socket housing 21 and the end of the plug housing 19 being provided with lead-in angles.

The scheme is used for realizing high-voltage conduction, one end of the cable 2 is connected and conducted with the jack sleeve 20 through a compression joint process, and jacks can be installed in the jack sleeve 20, so that a jack structure is provided for plugging of a plug and a socket; the adapter plug 22 of the socket has double functions of the contact pin 26 and the connecting jack, the jack end can be inserted into the contact pin 26 of the pressed lamp wire, and the contact pin 26 can be matched with the jack of the plug to realize the high-voltage connection and conduction of the plug and the socket.

The spherical column 10 in the plug can realize rotation, swing and lateral shifting, the elastic support ring 13 plays a role in returning the spherical column 10 to a normal position, the spherical column 10 is in a centered position in a non-stressed state, the plug can be conveniently inserted, meanwhile, the limit ring 14 can accurately limit the swing angle of the spherical column 10, the X/Y/Z three-dimensional accurate motion of the plug provides guarantee, and the guide angle is matched with the guide angle at the end part of the plug and realizes self-centering floating blind insertion between the plug and the socket. Creepage distance is prolonged through a plastic package process in the plug and the socket, and voltage-resistant level is greatly improved in a limited space.

The end of the plug housing 19 is provided with a cylindrical step, the side wall of the cylindrical step is provided with a ring-shaped second insertion hole 35, the end of the socket housing 21 is provided with an annular insertion sheet 36 inserted into the second insertion hole 35, and the annular insertion sheet 36 is arranged between the adapter plug 22 and the socket housing 21. Annular inserted sheet 36 inserts in second jack 35, increases the creepage path, increases withstand voltage level's processing mode.

The first sealing ring 23 is arranged outside the adapter plug 22, the second sealing ring 37 is arranged outside the cylindrical step, the plug outer shell 19 and the socket outer shell 21 are sealed, and a creepage path is cut off.

The cable 2 is fixedly connected with the inner wall of the plug outer shell 19 through the plug locking nut 16, the plug locking nut 16 is connected with the jack sleeve 20 through the first molding plastic packaging piece 18, and the first molding plastic packaging piece 18 wraps the cable 2 and the jack sleeve 20. The first molding plastic package 18 realizes internal sealing and prolongs the creepage distance while realizing the fixation of the cable 2.

The tail of the adapter plug 22 is provided with a third jack, a contact pin 26 is arranged in the third jack, the contact pin 26 is connected with the third jack through a hole sleeve 27, the contact pin 26 is connected with the inner conductor 1 of the cable 2, and the third jack is in threaded connection with the hole sleeve 27, the contact pin 26 and the hole sleeve 27.

A second molding plastic package part 30 is molded outside the contact pin 26 and the cable 2, the contact pin 26 is clamped into the second molding plastic package part 30 and fixedly connected with the second molding plastic package part, a gasket 28 is arranged between the third jack and the second molding plastic package part 30, and the gasket 28 is sleeved outside the contact pin 26; a third sealing ring 29 is arranged between the gasket 28 and the insert pin 26.

When second molding plastic envelope piece 30 realized fixed cable 2, carry out inside seal, extension creepage distance, it is sealed effectual.

The fastener comprises a top cover 12, the top cover 12 is sleeved outside the spherical column 10, a limiting ring 14 and a flange 15 are sequentially arranged between one end of the top cover 12 and a plug shell 19, the other end of the top cover is fixedly connected with a support 6 through a top cover locking nut 7, and the support 6 is fixedly installed through a locking screw 5; one end of the limiting ring 14 is sleeved on the sinking platform of the top cover 12, the other end of the limiting ring is sleeved outside the spherical column 10, and an elastic supporting ring 13 is arranged between the limiting ring 14 and the spherical column 10. The stop collar 14 can precisely limit the swing angle of the ball stud 10.

The left side and the right side of the ball head of the spherical column 10 are respectively provided with a first retaining ring 9 and a second retaining ring 11, the first retaining ring 9 and the second retaining ring 11 are both arranged in a top cover 12, a limiting ring 14 and a floating locking nut 3 are arranged between the support 6 and the cable 2, and the floating locking nut is inserted into the support 6 and the limiting ring 14 to be fixedly connected. The purposes of clamping, positioning and the like of the spherical column 10, the retaining ring and the elastic support ring 13 are realized through the mutual matching relationship of the top cover locking nut 7, the top cover 12 and the limiting ring 14.

Be provided with first soft sealing ring 31 between cable 2 and socket shell 21, be provided with the soft sealing ring 17 of second between the inner wall of cable 2 and plug housing 19, the inner wall of first soft sealing ring 31 and the soft sealing ring 17 of second all is provided with a plurality of annular archs, and first soft sealing ring 31 and the soft sealing ring 17 of second cover are provided with hard sealing ring 32 on the outer wall of cable 2 between soft sealing ring and the glan head 33.

Soft sealing ring cooperation plug lock nut 16 and glan head 33 to and the common locking effect of hard sealing ring 32, the soft sealing ring of extrusion realizes internal seal, cuts off axial and radial creepage path, simultaneously through soft sealing ring and soft sealing ring surface thread design (not limit the one side), further improves the high-pressure seal effect.

The design of the metal reinforcing flange 25 outside the socket shell 21 and the locking through the bolts 24 improve the plastic mechanical strength of the socket insulating shell flange 15 and solve the problem of poor locking and installation of the socket.

The high-voltage self-centering blind-plugging floating plug is shifted to the lamp box, the high-voltage self-centering blind-plugging floating socket is installed, the lamp box is pushed to insert the high-voltage self-centering blind-plugging floating plug into the high-voltage self-centering blind-plugging floating socket, the high-voltage conduction connection function is realized, and the high-voltage self-centering blind-plugging floating plug can also be directly inserted into the high-voltage self-centering blind-plugging floating socket to realize high-voltage conduction. The whole assembly process is simple, the socket and the plug are sealed firmly, and high-voltage conduction is ensured.

Claims

1. The high-voltage self-centering blind-mating floating connector is characterized by comprising a plug and a socket, wherein the plug comprises a jack sleeve (20), one end of the jack sleeve (20) is provided with a first jack, the other end of the jack sleeve is connected with an inner conductor (1) of a cable (2), and a plug outer shell (19) is arranged outside the jack sleeve (20); one end of the jack sleeve (20) connected with the inner conductor (1) is connected with the hollow spherical column (10) in an insulating mode, an elastic ring (8) is arranged at the ball head end of the spherical column (10), a fastening piece is arranged outside the spherical column (10), and the elastic ring (8) is fixed in the fastening piece through a support (6);

the socket comprises an adapter plug (22), one end of the adapter plug (22) is inserted into the first jack, and the other end of the adapter plug is fixedly connected with the inner conductor (1) of the cable (2); the adapter plug (22) is arranged in the socket shell (21), the cable (2) is fastened on the socket shell (21) through a Glan joint (33), and a guide angle is arranged between the end part of the socket shell (21) and the end part of the plug shell (19).

2. The high-pressure self-centering blind-mating floating connector according to claim 1, wherein the end of the plug housing (19) is provided with a cylindrical step, a ring of annular second insertion holes (35) are formed in the side wall of the cylindrical step, the end of the socket housing (21) is provided with an annular insertion sheet (36) inserted into the second insertion holes (35), and the annular insertion sheet (36) is arranged between the patch plug (22) and the socket housing (21).

3. The high-pressure self-centering blind-mate floating connector according to claim 2, wherein a first sealing ring (23) is arranged outside the patch plug (22), and a second sealing ring (37) is arranged outside the cylindrical step.

4. The high-pressure self-centering blind-mating floating connector according to claim 1, wherein the cable (2) is fixedly connected with the inner wall of the plug housing (19) through a plug lock nut (16), the plug lock nut (16) is connected with the jack sleeve (20) through a first molding plastic package (18), and the first molding plastic package (18) wraps the cable (2) and the jack sleeve (20).

5. The high-pressure self-centering blind-mating floating connector according to claim 1, wherein the fastener comprises a top cover (12), the top cover (12) is sleeved outside the spherical column (10), a limiting ring (14) and a flange plate (15) are sequentially arranged between one end of the top cover (12) and a plug outer shell (19), and the other end of the top cover is fixedly connected with the support (6) through a top cover locking nut (7); one end of the limiting ring (14) is sleeved on the sinking platform of the top cover (12), the other end of the limiting ring is sleeved outside the spherical column (10), and an elastic support ring (13) is arranged between the limiting ring (14) and the spherical column (10).

6. The high-pressure self-centering blind-mating floating connector according to claim 5, wherein a first retaining ring (9) and a second retaining ring (11) are respectively arranged on the left side and the right side of the ball head of the ball-shaped column (10), the first retaining ring (9) and the second retaining ring (11) are both arranged in a top cover (12), a limiting ring (14) and a floating lock nut (3) are arranged between the support (6) and the cable (2), and the floating lock nut (3) is inserted into the support (6) and is fixedly connected with the limiting ring (14).

7. The high-pressure self-centering blind-mating floating connector according to claim 1, wherein a third jack is arranged at the tail part of the adapter plug (22), a contact pin (26) is arranged in the third jack, the contact pin (26) is connected with the third jack through a hole sleeve (27), the contact pin (26) is connected with the inner conductor (1) of the cable (2), and the third jack and the hole sleeve (27) and the contact pin (26) and the hole sleeve (27) are both in threaded connection.

8. The high-pressure self-centering blind-mating floating connector according to claim 7, wherein a second molded plastic package (30) is molded outside the contact pin (26) and the cable (2), the contact pin (26) is clamped into the second molded plastic package (30) for fixed connection, a gasket (28) is arranged between the third jack and the second molded plastic package (30), and the gasket (28) is sleeved outside the contact pin (26); and a third sealing ring (29) is arranged between the gasket (28) and the inserting needle (26).

9. The high-pressure self-centering blind-mating floating connector according to claim 1, wherein a first soft sealing ring (31) is arranged between the cable (2) and the socket housing (21), a second soft sealing ring (17) is arranged between the cable (2) and the inner wall of the plug housing (19), a plurality of annular protrusions are arranged on the inner walls of the first soft sealing ring (31) and the second soft sealing ring (17), the first soft sealing ring (31) and the second soft sealing ring (17) are sleeved on the outer wall of the cable (2), and a hard sealing ring (32) is arranged between the soft sealing ring and the gland head (33).