CN211265776U

CN211265776U - Contact pin and industrial connector

Info

Publication number: CN211265776U
Application number: CN202020135770.8U
Authority: CN
Inventors: 赵笔啸; 颜逸鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-08-14
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a contact pin and industrial connector, the contact pin includes relative first end and second end in interval, connect compressible core between first end and second end, cover and establish outside the core and the butt spring between first end and second end; the core body is formed by weaving a plurality of metal wire groups. The utility model discloses a contact pilotage for the industry connector, the core of this contact pilotage is organized through stranded wire and is woven and form for the contact pilotage has length adjustment function, improves the connection stability and the reliability between the contact pilotage in the industry connector, improves the power consumption security.

Description

Contact pin and industrial connector

Technical Field

The utility model relates to an electrical connector technical field especially relates to a contact pilotage and industrial connector.

Background

An electrical connector, also known as a power socket or a switch socket, is a socket into which one or more circuit connections can be inserted, through which various connections can be inserted, thus facilitating the connection with other circuits. The socket achieves the connection and disconnection of partial circuits finally through internal connection and disconnection.

In the existing industrial environment, plugs and sockets which are commonly used still have many defects in the aspects of applicability and convenience. For example, the contact pins in the socket include metal pins and springs sleeved outside the metal pins, so that the contact pins are poor in stability and low in reliability when in contact connection with the contact pins of the plug.

In addition, most industrial plugs and sockets are plugged together and then locked by the lock catches arranged on the outer sides, so that the industrial plugs and the sockets are easily separated under the action of external force, the protection performance is poor, safety accidents often occur easily, the service life is short, and the industrial plugs and the sockets are very inconvenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the present invention is to provide a contact pin for industrial connector, which improves stability, reliability and safety of power consumption, and an industrial connector having the same.

The utility model provides a technical scheme that its technical problem adopted is: providing a contact pin for use in a socket of an industrial connector, the contact pin comprising first and second spaced-apart opposing stubs, a compressible core connected between the first and second stubs, and a spring disposed about the core and abutting between the first and second stubs;

the core body is formed by weaving a plurality of metal wire groups.

Preferably, the first end piece comprises a cylindrical first end piece having opposed first and second end faces;

an eccentrically arranged wire inlet channel is arranged in the first end head, extends along the axial direction of the first end head and penetrates through the first end face, and a wire inlet is formed in the first end face; the second end face is connected with the core body.

Preferably, the first end head further comprises a locking member for locking the lead in channel;

the locking piece penetrates into the inlet channel from the side with the largest wall thickness of the first end piece and can move back and forth in the radial direction of the first end piece.

Preferably, the side surface of the first end piece is provided with opposite slits which are respectively communicated with the wire inlet channel; the slit extends in the axial direction of the first end member and penetrates to the first end surface.

Preferably, the first end head further comprises a sleeve sleeved on the periphery of the first end piece;

and the side surfaces of the sleeve and the first end part are provided with through holes which are communicated and used for the penetration of the locking piece.

Preferably, the second end head comprises an end plate and a snap ring arranged on one side of the end plate facing the first end head; the outer diameter of the snap ring is larger than or equal to the outer diameter of the spring.

The utility model also provides an industrial connector, which comprises a plug and a socket which are mutually matched and spliced; the plug comprises a plurality of first contact pins, and the socket comprises a plurality of second contact pins which are respectively connected with the first contact pins, wherein the second contact pins are the contact pins in any one of the above.

Preferably, the plug further comprises a plug body, and the first contact pins are distributed in the plug body at intervals and expose the plugging end of the plug body;

the socket further comprises a socket body, the second contact pins are distributed in the socket body at intervals, a plurality of through holes are formed in the inserting end of the socket body, and the second end of each second contact pin is exposed in one through hole.

Preferably, the socket further comprises a cover body which can be detachably covered on the plugging end of the socket body, and a connecting piece connected between the cover body and the socket body; the connecting piece is a connecting rope or a chain.

Preferably, a rotatable buckle is arranged on the periphery of the socket body, and a clamping groove matched with the buckle is arranged on the periphery of the plug body; and/or the presence of a gas in the gas,

the plug socket comprises a plug body and a socket body, wherein the periphery of the plugging end of the plug body is provided with a plurality of protrusions which are circumferentially distributed at intervals, the plugging end of the socket body is internally provided with a radially protruding annular step, and the annular step is provided with a plurality of notches corresponding to the protrusions; the plug body rotates after the bulge penetrates through the notch, so that the bulge is abutted to the inner side of the annular step.

The utility model discloses a contact pilotage for the industry connector, the core of this contact pilotage is organized through stranded wire and is woven and form for the contact pilotage has length adjustment function, improves the connection stability and the reliability between the contact pilotage in the industry connector, improves the power consumption security.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic perspective view of a contact pin according to an embodiment of the present invention;

fig. 2 is a side view of a contact pin according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an industrial connector according to an embodiment of the present invention when the plug and the socket are separated;

fig. 4 is a schematic cross-sectional view of an industrial connector according to an embodiment of the present invention after a plug and a socket are plugged.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a contact pin according to an embodiment of the present invention is used in a socket of an industrial connector, and includes a first end 11 and a second end 12 opposite to each other at an interval, a compressible core 13 connected between the first end 11 and the second end 12, and a spring 14 sleeved outside the core 13 and abutting between the first end 11 and the second end 12.

The core 13 is formed by braiding a plurality of metal wires to form a twisted braid core, which can be compressed and restored. Each wire set is made up of a plurality of wires. When the contact pin is abutted, the core body 13 and the spring 14 can be compressed to a certain degree and have restoring force, the length can be automatically adjusted, and the contact stability is ensured.

The first head 11 may include a first end member 111 having a cylindrical shape, the first end member 111 having opposite first and second end surfaces with the second end surface facing the second head 12 and connected with one end of the core 13 and the spring 14.

The first end piece 111 is provided with an incoming line channel 110 for an external wire to enter and be positioned therein for electrically conductive connection. The wire inlet channel 110 extends in the axial direction of the first end piece 111 and through the first end face, on which the wire inlet is formed. In the present invention, the inlet wire passage 110 is eccentrically disposed in the first end member 111 (not concentric with the first end member 111), so that the wall thickness of the first end member 111 circumferentially is not uniform. Referring to fig. 1, the first end member 111 has a minimum wall thickness on one side and a maximum wall thickness on the other side, and the other opposite sides (as transition sides) of the first end member 111 have wall thicknesses transitionally connected between the maximum and minimum wall thicknesses.

Further, the side surface of the first end piece 111 is provided with two slots 112 which are opposite and respectively communicated with the inlet channel 110; the slit 112 extends in the axial direction of the first end member 111 and penetrates to the first end surface. Specifically, two slits 112 are respectively disposed on the transition side of the first end member 111, and the slits 112 are disposed such that the first end member 111 can be expanded and restored with a certain amount of deformation, thereby facilitating the insertion of the lead.

The first end 11 further comprises a locking member 113 for locking the wire in the wire entry channel 110. The locking element 113 extends from the side of the first end part 111 with the greatest wall thickness into the feed channel 110 and can be moved back and forth in the radial direction of the first end part 111 in order to press the wire into the feed channel 110 or to release the wire.

In particular, the locking member 113, in combination with the eccentric arrangement of the inlet channel 110, has more space to move in the radial direction than the locking member 113 in a concentric arrangement, increasing the locking length in the radial direction.

Corresponding to the locking member 113, the first end member 111 is provided with a through hole (not shown) for insertion therethrough. In this embodiment, the locking member 113 is a screw, and the through hole is a screw hole.

Further, the first end head 11 further includes a sleeve 114 disposed around the first end member 111 for protecting the first end member 111. The side of the sleeve 114 is provided with a through hole, which is communicated with the through hole of the first end member 111 for the locking member 113 to pass through. One end of the locking member 113 passes through the sleeve 114 and the first end member 111 from the outside of the sleeve 114 to enter the wire inlet passage 110.

The second end 12 may include an end plate 121 and a snap ring 122. The end plate 121 may be a circular plate member. The snap ring 121 is disposed on the side of the end plate 121 facing the first end head 11, the inner diameter of the snap ring 122 is smaller than the outer diameter of the end plate 121, so that the snap ring 122 can abut on the side of the end plate 121 facing the first end head 11, the outer diameter of the snap ring 122 is larger than or equal to the outer diameter of the spring 14, and the spring 14 can be limited from passing through the end plate 121.

Further, the snap ring 122 has a notch so as to be fitted to the end plate 121 side through the core 13 via the notch. The snap ring 122 is not welded to the end plate 121 and the spring 14 so that the three are movable relative to each other.

The contact pin of the utility model is made of silver-plated copper alloy, is not easy to oxidize, and is durable and long in service life.

As shown in fig. 3 and 4, an industrial connector according to an embodiment of the present invention includes a plug 20 and a receptacle 30 that are mated and plugged with each other.

The plug 20 includes a plug body 21 and a plurality of first contact pins 22, and the plurality of first contact pins 21 are disposed in the plug body 22 at intervals and expose the plug end of the plug body 22. The socket 30 includes a socket body 31 and a plurality of second contact pins 32, and the plurality of second contact pins 32 are distributed in the socket body 31 at intervals. Second contact pins 32 are the contact pins described above with reference to fig. 1-2, i.e., each second contact pin 32 includes first 11 and second 12 spaced apart and opposing ends, a compressible core 13 coupled between first 11 and second 12 ends, and a spring 14 disposed about core 13 and coupled between first 11 and second 12 ends. The socket body 31 has a plurality of through holes 310 at the plugging end, and the second end 12 of each second contact pin 32 is exposed in one of the through holes 310 for electrically connecting with the first contact pin 22 of the plug 20.

The second contact pins 32 are provided corresponding to the number of the first contact pins 22, and a three-pin, four-pin, or five-pin type connector can be formed by the number of the contact pins.

The plug body 21 may include a first insulating housing and a first connection assembly disposed within the first insulating housing, and the socket body 31 may include a second insulating housing and a second connection assembly disposed within the second insulating housing. The specific arrangement of the first insulating housing, the first connecting assembly, the second insulating housing, the second connecting assembly and the like can be realized by adopting the prior art, and is not repeated herein.

The socket 30 further includes a cover 33 detachably covering the insertion end of the socket body 31, and a connector 34 connected between the cover 33 and the socket body 31. The cover 33 covers the plug end of the socket body 31 to protect the plug end and the second contact pins 32 therein.

The utility model discloses in, lid 33 and socket ontology 31 are mutually independent, and lid 33 passes through connecting piece 34 and is connected with socket ontology 31 to can break away from socket ontology 31's grafting end nevertheless not deviate from socket ontology 31, conveniently cover the grafting end and close or open the operation and avoid losing of lid 33.

The connecting member 34 may be a connecting rope or chain, etc. The cover 33 is an insulating cover.

Further, the utility model discloses an among the industrial connector, on plug 20, the grafting end periphery of plug body 21 is equipped with a plurality of archs 23 of circumference interval distribution, and protruding 23 shape is not limited. Correspondingly, on the socket 30, a radially protruding annular step 35 is arranged in the plugging end of the socket body 31, and a plurality of notches 36 are arranged on the annular step 35 corresponding to the protrusions 23; the length of the notch 36 is equal to or greater than the length of the protrusion 23. When the plug 20 is butted with the socket 30, the plug body 21 is rotated after the protrusion 23 passes through the notch 36, so that the protrusion 23 is clamped on the inner side of the annular step 35, and the plug end of the plug 20 is butted with the socket 30.

Above-mentioned setting through arch 23 and annular step 35, breach 36 for plug 20 and socket 30 when butt joint, need make arch 23 and breach 36 align the back with both relative rotations and just can peg graft, have the foolproof effect, and arch 23 can be restricted in the inboard of annular step 35, avoid socket 30 and plug 20 to break away from, and it is safer to dock in the simple straight line among the prior art, avoids the maloperation.

In addition, after the plug 20 and the socket 30 are matched and plugged with each other, a locking mechanism and the like are arranged on the plug and the socket to lock the plug and the socket together, so that the use safety is ensured.

In this embodiment, a rotatable buckle 41 is disposed on the outer periphery of the socket body 31, and a slot 42 matched with the buckle 41 is disposed on the outer periphery of the plug body 21. The catch 41 is rotatably coupled to the socket body 31 by a rotating shaft, and an end thereof facing the header 20 is formed with a barb. The catching groove 42 on the plug body 21 is used for the barb of the catch 41 to catch therein. When the barb of the catch 41 is snapped into the catch 42, the end of the catch 41 facing away from the plug 20 is pressed, so that the barbed end of the catch 41 is turned upwards, so that the barb can enter from above the catch 42. When disengaging the barbs from the catch 42, the barbed end of the catch 41 is rotated upward by pressing the end of the catch 41 facing away from the plug 20 so that the barbs can be disengaged from the catch 42.

The utility model discloses an among the industrial connector, plug 20 and socket 30 realize first locking between them through the cooperation of above-mentioned arch 23 and breach 36, annular step 35, still realize the second locking through the cooperation of above-mentioned buckle 41 and draw-in groove 42, and then realize plug 20 and socket 30's dual locking, connect more firm, improve industrial connector's safety in utilization and power consumption security.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A contact pin for use in a receptacle of an industrial connector, the contact pin comprising first and second spaced opposed stubs, a compressible core connected between the first and second stubs, and a spring disposed about the core and abutting between the first and second stubs;

the core body is formed by weaving a plurality of metal wire groups.

2. Contact pin as claimed in claim 1, wherein the first end piece comprises a cylindrical first end piece having opposite first and second end faces;

3. The stylus of claim 2, wherein the first end head further comprises a locking member for locking a wire in the access channel;

4. Contact pin as claimed in claim 3, wherein the side faces of the first end piece are provided with slots opposite to and respectively communicating with the feed channels; the slit extends in the axial direction of the first end member and penetrates to the first end surface.

5. The stylus of claim 3, wherein the first head further comprises a sleeve around the outer periphery of the first end piece;

6. The stylus of claim 2, wherein the second head comprises an end plate, a snap ring disposed on a side of the end plate facing the first head; the outer diameter of the snap ring is larger than or equal to the outer diameter of the spring.

7. An industrial connector comprises a plug and a socket which are matched and plugged with each other; characterized in that the plug comprises a plurality of first contact pins, the socket comprises a plurality of second contact pins respectively connected with the first contact pins, and the second contact pins are the contact pins of any one of claims 1-6.

8. The industrial connector of claim 7, wherein the plug further comprises a plug body, and the first contact pins are disposed in the plug body in a spaced-apart manner and exposed from the mating end of the plug body;

9. The industrial connector of claim 8, wherein the socket further comprises a cover detachably covering the mating end of the socket body, a connecting member connected between the cover and the socket body; the connecting piece is a connecting rope or a chain.

10. The industrial connector as claimed in any one of claims 7 to 9, wherein a rotatable buckle is provided on the outer periphery of the socket body, and a locking groove engaged with the buckle is provided on the outer periphery of the plug body; and/or the presence of a gas in the gas,