CN215933978U

CN215933978U - Three-proofing plug with multiple wire inlet holes

Info

Publication number: CN215933978U
Application number: CN202120059912.1U
Authority: CN
Inventors: 杜少飞; 蒋行川
Original assignee: Sichuan Yonglian Xingtong Technology Co ltd
Current assignee: Sichuan Yonglian Xingtong Technology Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2022-03-01
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a three-proofing plug with multiple wire inlet holes, belonging to the field of connectors.A female head comprises a female seat and a female seat nut which is in threaded fit with the female seat, a flat washer is arranged between the female seat nut and the female seat in the axial direction, a pin inserting hole is formed at the matching end of the female seat, and a female seat wiring terminal is formed at the connecting end; the male head comprises a male seat, a male seat nut and an extrusion seat, one end of the extrusion seat is in threaded connection with the connecting end of the male seat, the other end of the extrusion seat is provided with a clamping jaw and is connected with a porous rubber plug and a pressing head for pressing the porous rubber plug through the clamping jaw, and the pressing head is in threaded connection with the outer circular surface of the extrusion seat; the matching end of the male seat is provided with a contact pin, and the connecting end is provided with a male seat wiring terminal; and a male seat nut for connecting the male seat and the female seat is arranged outside the matching ends of the male seat and the female seat, and a gasket is arranged between the matching ends of the male seat and the female seat. The waterproof dustproof while of giving consideration to, the inlet wire end design is porous pattern, allows a plurality of equipment of connecting simultaneously, has saved one and has advanced many wire changers, and reliability and maintainability have obtained the assurance.

Description

Three-proofing plug with multiple wire inlet holes

Technical Field

The utility model belongs to the field of connectors, and particularly relates to a three-proofing plug with multiple wire inlet holes.

Background

As shown in fig. 1, a wire inlet hole 2 of a male connector 1 of the conventional three-proofing connector is a single round hole, a single round hole is also formed in a locking rubber pad 3, and the locking rubber pad 3 is pressed with a cable in use, so that waterproof and dustproof effects are achieved; the contact end surfaces of the male connector 1 and the female connector are provided with inner ring rubber pads 4, so that waterproof and dustproof effects can be achieved during pressing; the end face of the female connector 5 is provided with a rubber pad 6 which can be tightly attached and sealed with the mounting piece.

If this kind of connector is connected a plurality of equipment, because every equipment all has solitary wire, if will satisfy waterproof dustproof requirement, the measure of taking at the present stage is to connect one and advance many line changers in connector one end, and line changers one end is haplopore locking rubber pad, and the other end is porous locking rubber pad, can convert many few heart yearns into single multicore silk, can compromise waterproof dirt-proof while, and a plurality of equipment can be connected to the connector. The shortcoming of this scheme lies in, if the connector has the demand of connecting a plurality of equipment, one advances many wire changers and is the indispensable part, and the connected mode of cable is the butt joint one by one, finally holds inside this part, because part inner space is limited, and the wiring is relatively difficult, and the operation is wasted time and energy, and reliability and maintainability are relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-proofing plug with multiple wire inlet holes, which aims to solve the problems that the conventional three-proofing connector needs to adopt a wire changer when connecting multiple devices.

In order to realize the purpose of the utility model, the technical scheme is as follows: a multi-wire-hole three-proofing plug comprises a female head and a male head, wherein opposite ends of the female head and the male head are matching ends, opposite back ends are connecting ends, the female head comprises a female seat and a female seat nut which is in threaded fit with the female seat, a flat washer is arranged between the female seat nut and the female seat in the axial direction, the matching end of the female seat is provided with a pin inserting hole, and the connecting end is provided with a female seat wiring terminal; the male head comprises a male seat, a male seat nut and an extrusion seat, one end of the extrusion seat is in threaded connection with the connecting end of the male seat, the other end of the extrusion seat is provided with a clamping jaw and is connected with a porous rubber plug and a pressing head for extruding the porous rubber plug through the clamping jaw, the outer circular surface of the porous rubber plug is attached to the inner circular surface of the extrusion seat, the pressing head is in threaded connection with the outer circular surface of the extrusion seat, and the porous rubber plug is provided with more than two wire inlet holes; the matching end of the male seat is provided with a contact pin matched with the contact pin hole, and the connecting end is provided with a male seat wiring terminal; and a male seat nut for connecting the male seat and the female seat is arranged outside the matching ends of the male seat and the female seat, and a gasket is arranged between the matching ends of the male seat and the female seat.

As a further alternative, the male housing nut is threaded over the mating end of the male housing and threadedly engaged with the mating end of the female housing.

As a further alternative, the gasket includes a female seat embedded gasket and a male seat embedded gasket, the mating end of the female seat has a sealing groove located at the periphery of all the pin holes, the female seat embedded gasket is installed in the sealing groove, the mating end of the male seat is in plug-in fit with the sealing groove, and the male seat embedded gasket is sleeved between the mating end of the female seat and the axial direction of the male seat nut.

As a further alternative, the outer circular surface of the clamping jaw of the pressing base is a pressing conical surface, and one end of the inner circular surface of the pressing head is provided with a pressing conical surface which is correspondingly contacted with the pressing conical surface.

As a further alternative, the mating ends of the female and male sockets are provided with a fool-proof structure.

As a further alternative, the fool-proof structure comprises a fool-proof positioning hole and a positioning protrusion which are arranged along the axial direction, one of the fool-proof positioning hole and the positioning protrusion is arranged on the male seat, and the other one of the fool-proof positioning hole and the positioning protrusion is arranged on the female seat.

The utility model has the beneficial effects that: the waterproof dustproof while of giving consideration to, the inlet wire end design is porous pattern, allows a plurality of equipment of connecting simultaneously, has saved one and has advanced many wire changers, and reliability and maintainability have obtained the assurance. Can satisfy multiple waterproof dustproof grade, allow many cables to insert the connector simultaneously, satisfy the various demands more than two cables.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of a conventional three-proofing connector;

FIG. 2 is a front view of a multi-wire hole tri-proof plug provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a female socket in a multi-wire hole tri-proof plug provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a male socket in a multi-wire-hole tri-proof plug according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the male socket of FIG. 5;

fig. 7 is a schematic structural diagram of a porous rubber plug in a multi-wire hole tri-proof plug provided by an embodiment of the utility model;

FIG. 8 is a cross-sectional view of a compression head in a multi-wire hole tri-proof plug provided in an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of an extruded seat in a triple-proof plug with multiple wire inlet holes according to an embodiment of the present invention;

reference numerals: 1-connector male head, 2-wire inlet hole, 3-locking rubber pad, 4-inner ring rubber pad, 5-connector female head and 6-rubber pad; 7-female head, 8-male head, 9-female seat, 10-female seat nut, 11-flat washer, 12-pin hole, 13-female seat connecting terminal, 14-sealing groove, 15-male seat, 16-extrusion seat, 17-claw, 18-porous rubber plug, 19-compression head, 20-pin, 21-male seat connecting terminal, 22-male seat nut, 23-female seat embedded washer, 24-male seat embedded washer, 25-foolproof positioning hole, 26-extrusion conical surface, 27-compression conical surface and 28-positioning protrusion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the utility model. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The utility model is further described with reference to the following figures and specific embodiments.

Fig. 2 to 9 show a multi-wire-hole three-proofing plug provided by the utility model, which comprises a female head 7 and a male head 8, wherein opposite ends of the female head 7 and the male head 8 are mating ends, opposite back ends are connecting ends, the female head 7 comprises a female seat 9 and a female seat nut 10 which is in threaded fit on the female seat 9, a flat washer 11 is arranged between the female seat nut 10 and the female seat 9 in the axial direction, the mating end of the female seat 9 is provided with a pin inserting hole 12, and the connecting end is provided with a female seat connecting terminal 13; the male head 8 comprises a male seat 15, a male seat nut 22 and an extrusion seat 16, one end of the extrusion seat 16 is in threaded connection with the connecting end of the male seat 15, the other end of the extrusion seat is provided with a clamping jaw 17 and is connected with a porous rubber plug 18 and a pressing head 19 for pressing the porous rubber plug 18 through the clamping jaw 17, the outer circular surface of the porous rubber plug 18 is attached to the inner circular surface of the extrusion seat 16, the pressing head 19 is in threaded connection with the outer circular surface of the extrusion seat 16, and the porous rubber plug 18 is provided with more than two wire inlet holes; the mating end of the male seat 15 is provided with a contact pin 20 matched with the contact pin hole 12, and the connecting end is provided with a male seat wiring terminal 21; a male socket nut 22 for connecting the male socket 15 and the female socket 9 is arranged outside the mating ends of the male socket 15 and the female socket 9 for fastening the two, and a gasket is arranged between the mating ends of the male socket 15 and the female socket 9.

The male socket nut 22 is fitted over the mating end of the male socket 15 and is threadedly connected to the mating end of the female socket 9. The packing ring includes female seat embedded packing ring 23 and male seat embedded packing ring 24, and the cooperation of pegging graft is located all pin holes 12 outlying seal groove 14 in the cooperation of matcing of female seat embedded packing ring 23 installed in seal groove 14, male seat 15's cooperation of matcing with seal groove 14, and male seat embedded packing ring 24 cover is located between the cooperation of matcing of female seat 9 and male seat nut 22's the axial.

The outer circular surface of the claw 17 of the pressing base 16 is a pressing conical surface 26, one end of the inner circular surface of the pressing head 19 is provided with a pressing conical surface 27 which is correspondingly contacted with the pressing conical surface 26, the porous rubber plug 18 is compressed by the matched pressing of the two conical surfaces, and then the cable in the wire inlet hole is pressed to achieve sealing.

The mating ends of the female seat 9 and the male seat 15 are provided with fool-proof structures, so that the accurate connection state of the female seat and the male seat is ensured, and the female seat and the male seat are conveniently, quickly and correctly connected. The fool-proof structure can comprise a fool-proof positioning hole 25 and a positioning bulge 28 which are arranged along the axial direction, one of the two is arranged on the male seat 15, the other one is arranged on the female seat 9, the fool-proof positioning hole 25 and the positioning bulge 28 are mutually aligned and matched, the axial direction is inserted and connected, and the connection is quick and accurate.

Referring to fig. 3 and 4, the female socket 9 is a main structural part of the female header 7, wherein the female socket wiring terminal 13 is connected with the equipment connection line, and the pin hole 12 is connected with the pin 20 of the male socket 15 to connect the circuit between the female socket 9 and the male socket 15; the female socket 9 is designed with a positioning protrusion 28 to ensure that the pin connection of the male head 8 and the female head 7 is correct.

One side of the flat gasket 11 is in contact with the female seat 9, the other side of the flat gasket is in contact with the end face of the equipment, and waterproof and dustproof effects between the female head 7 and the equipment can be guaranteed after pressing. Female seat nut 10 passes through threaded connection with female seat 9, and the flat gasket 11 can be compressed to the pressfitting of screwing, guarantees waterproof dustproof. Female embedded packing ring 23 of seat is installed in female seal groove 14 of 7, and when public head 8 was inserted, female embedded packing ring 23 of seat was compressed, guaranteed waterproof dustproof between public head 8 and the female head 7, prevented the foreign matter invasion.

Referring to fig. 3 and 5 to 9, the male socket 15 is a main body part of the male plug 8, wherein the male socket terminal 21 is connected with the device connection line, and the pin 20 of the male socket 15 is connected with the pin hole 12 of the female socket 9, so as to connect the circuit between the male socket 15 and the female socket 9; the male socket 15 is designed with a fool-proof positioning hole 25 to ensure that the pin of the male head 8 is connected with the female head 7 without error.

One end of the male seat nut 22 is in contact with the male seat 15, and the threaded end is screwed on the threaded surface of the female seat 9, so that no relative displacement between the male seat 15 and the female seat 9 can be ensured during screwing. The male seat insert washer 24 is mounted on the male seat 15, and when the male head 8 is inserted into the female head 7 and the male seat nut 22 is screwed, the male seat insert washer 24 is compressed, thereby ensuring water and dust resistance. The excircle of the porous rubber plug 18 is contacted and attached with the inner circle of the extrusion seat 16, the number of the wire inlet holes of the porous rubber plug 18 is more than or equal to two, and the wire inlet holes can be adjusted according to actual requirements. Extrusion seat 16 is connected with public seat 15 through the internal thread, be connected with oppression head 19 through the external screw thread, porous rubber buffer 18 is connected with the interior round contact of extrusion seat 16, when oppression head 19 was screwed, oppression conical surface 27 and the contact of extrusion conical surface 26, cause the jack catch 17 compression of extrusion seat 16, thereby oppress porous rubber buffer 18 excircle, because porous rubber buffer 18 is elastic material, after being compressed, its entrance hole can dwindle, and then oppress through cable wherein, finally reach sealed waterproof dirt-proof effect. The pressing head 19 is connected with the pressing seat 16 through threads, and the size of the wire inlet hole can be changed when the pressing head rotates.

The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims

1. A multi-wire-hole three-proofing plug comprises a female head and a male head, wherein the opposite ends of the female head and the male head are matching ends, and the opposite back ends are connecting ends; the male head comprises a male seat, a male seat nut and an extrusion seat, one end of the extrusion seat is in threaded connection with the connecting end of the male seat, the other end of the extrusion seat is provided with a clamping jaw and is connected with a porous rubber plug and a pressing head for extruding the porous rubber plug through the clamping jaw, the outer circular surface of the porous rubber plug is attached to the inner circular surface of the extrusion seat, the pressing head is in threaded connection with the outer circular surface of the extrusion seat, and the porous rubber plug is provided with more than two wire inlet holes; the matching end of the male seat is provided with a contact pin matched with the contact pin hole, and the connecting end is provided with a male seat wiring terminal; and a male seat nut for connecting the male seat and the female seat is arranged outside the matching ends of the male seat and the female seat, and a gasket is arranged between the matching ends of the male seat and the female seat.

2. The multi-wire hole tri-proof plug of claim 1, wherein the male socket nut is sleeved outside the mating end of the male socket and is in threaded connection with the mating end of the female socket.

3. The three-proofing plug with multiple wire inlet holes according to claim 2, wherein the gaskets comprise a female seat embedded gasket and a male seat embedded gasket, the mating end of the female seat is provided with a sealing groove located at the periphery of all the pin holes, the female seat embedded gasket is installed in the sealing groove, the mating end of the male seat is in plug fit with the sealing groove, and the male seat embedded gasket is sleeved between the mating end of the female seat and the axial direction of the male seat nut.

4. The three-proofing plug with multiple wire inlet holes according to claim 1, wherein the outer circular surface of the clamping jaw of the extrusion seat is an extrusion conical surface, and one end of the inner circular surface of the compression head is provided with a compression conical surface which is correspondingly contacted with the extrusion conical surface.

5. The multi-wire hole tri-proof plug of claim 1, wherein the mating ends of the female and male sockets are provided with a fool-proof structure.

6. The tri-proof plug with multiple wire inlet holes according to claim 5, wherein the fool-proof structure comprises a fool-proof positioning hole and a positioning protrusion arranged along the axial direction, one of the fool-proof positioning hole and the positioning protrusion is arranged on the male socket, and the other one of the fool-proof positioning hole and the positioning protrusion is arranged on the female socket.