CN203166258U

CN203166258U - Phase changeable plug and socket

Info

Publication number: CN203166258U
Application number: CN 201320064902
Authority: CN
Inventors: 刘绪猛; 刘华
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-05
Filing date: 2013-02-05
Publication date: 2013-08-28
Anticipated expiration: 2023-02-05

Abstract

The utility model relates to phase changeable plug and socket, which can simply and conveniently realize forward and reverse rotation of a three phase motor. The phase changeable plug and socket comprise a plug and a socket both provided with an upper die and a lower die; the plug lower die is provided with three electrode pins and a ground wire pin; a thread of the three phase motor passes through the aperture on the upper die and respectively communicates with the three electrode pins and the ground wire pin; the socket upper die is provided with four electrode jacks and two ground wire jacks; the socket lower die is provided with six electrode contacts corresponding to the jacks on the socket upper die; three electrode pins on the plug and the ground wire pin insert into a first electrode jack, a second electrode jack and a third electrode jack on the socket and a second ground wire jack, so that the three phase motor can rotate forward; and the three electrode pins on the plug and the ground wire pin insert into a first electrode jack, a third electrode jack and a fourth electrode jack on the socket and a first ground wire jack, so that the three phase motor can rotate reversely.

Description

Interchangeable phase plug and socket

Technical field

The utility model relates to a kind of plug and socket, relates in particular to a kind of interchangeable phase plug and socket.

Background technology

The three phase electric machine of prior art is geostationary with the wiring of plug, when the user runs into that phase sequence is not inconsistent or motor need reverse the time, common way is to cut off the electricity supply, pull up plug, the shell of plug is unloaded, again require to connect the end of a thread according to meeting phase sequence, or plug is inserted on another socket that meets the phase sequence requirement.Preceding a kind of method bothers very much, and dangerous, and a kind of method in back is than preceding a kind of method safety, but because do not have the socket that allows motor rotate and reverse on the market simultaneously, so need two sockets, not only occupation of land is many, and the inconvenience that operates.

The utility model content

Technical problem to be solved in the utility model provides a kind of interchangeable phase plug and socket that makes things convenient for the three phase electric machine commutation.

The technical scheme that the utility model adopts is: a kind of interchangeable phase plug and socket, include plug and socket, described plug comprises plug patrix and plug counterdie, described plug counterdie is provided with three electrode pins and an earth pin, the end of a thread of three phase electric machine is connected with three electrode pins and earth pin respectively after passing hole on the plug patrix; Described socket comprises socket patrix and socket counterdie, and described socket patrix is provided with four electrode jacks and two ground wire jacks, and described socket counterdie is provided with six electrode contact plates, and this electrode contact plate is corresponding with the jack on the socket patrix; After triple line is passed hole on the socket counterdie, A phase line in the triple line is connected with first electrode contact plate, B phase line in the triple line be connected with second electrode contact plate and the 4th electrode contact plate respectively, C phase line in the triple line is connected with the third electrode contact chip, and the 5th electrode contact plate and the 6th electrode contact plate are connected with ground wire; Three electrode pins on the plug and earth pin are inserted in first, second, third electrode jack and second ground wire jack on the socket, three phase electric machine is just changeed, three electrode pins on the plug and earth pin are inserted in the first, the 3rd, the 4th electrode jack and first ground wire jack on the socket, make the three phase electric machine counter-rotating.

Press such scheme, second electrode pins on the described plug, third electrode pin are on same circumference, and first electrode pins on the plug is positioned on the center of circle of this circumference; Earth pin on the described plug is not on the circumference of second electrode pins; Second electrode jack on the described socket, third electrode jack, the 4th electrode jack are positioned on the same circumference, and first electrode jack on the socket is positioned on the center of circle of this circumference; First ground wire jack on the described socket and second ground wire jack be not on the circumference of second electrode jack.

Press such scheme, second electrode pins on the described plug, third electrode pin, earth pin are on same circumference, and first electrode pins on the plug is positioned on the center of circle of this circumference; Second electrode jack on the described socket, third electrode jack, the 4th electrode jack, first ground wire jack and second ground wire jack are positioned on the same circumference, and first electrode jack on the socket is positioned on the center of circle of this circumference.

Press such scheme, the diameter of three electrode pins on the described plug is greater than the earth pin diameter on the plug; The diameter of four electrode jacks on the described socket is greater than the diameter of two ground wire jacks on the socket, and the diameter of three electrode pins on the plug is greater than the diameter of two ground wire jacks on the socket.

Press such scheme, three electrode pins and an earth pin on the described plug are circle or yi word pattern, and four electrode jacks and two ground wire jacks on the described socket are circle or yi word pattern.

Press such scheme, described plug patrix is connected by screw-threaded engagement or screw with the plug counterdie, and described socket patrix is connected by screw-threaded engagement or screw with the socket counterdie.

The beneficial effects of the utility model are: 1, have the commutation function, can make things convenient for the three phase electric machine commutation.2, simple in structure, easy to operate.3, floor space is little, has effectively saved the space.4, there is not potential safety hazard.5, cheap, application value is big.

Description of drawings

Fig. 1 is the structural representation of the utility model plug.

Fig. 2 is the structural representation of the utility model socket.

Fig. 3 is the structural representation of the socket counterdie of the utility model socket.

Fig. 4 is the structural representation of the utility model socket.

Fig. 5 is the structural representation of the utility model socket.

Fig. 6 is the structural representation of the utility model socket.

Fig. 7 is the structural representation of the utility model socket.

Fig. 8 is the structural representation of the utility model socket.

Among the figure: 1, plug, 2, socket, 2-1, the socket counterdie, 3, first electrode pins, 4, second electrode pins, 5, the third electrode pin, 6, earth pin, 7, first electrode jack, 8, second electrode jack, 9, the third electrode jack, 22, the 4th electrode jack, 10, first ground wire jack, 11, second ground wire jack, 12, first electrode contact plate, 13, second electrode contact plate, 14, the third electrode contact chip, 15, the 4th electrode contact plate, 16, the 5th electrode contact plate, 17, the 6th electrode contact plate, 18, the A phase line, 19, the B phase line, 20, the C phase line, 21, ground wire.

Embodiment

Further specify embodiment of the present utility model below in conjunction with accompanying drawing.

Referring to Fig. 1-Fig. 3, a kind of interchangeable phase plug and socket, include plug 1 and socket 2, described plug 1 comprises plug patrix and plug counterdie, described plug counterdie is provided with three electrode pins and an earth pin 6, the end of a thread of three phase electric machine is connected with three electrode pins and earth pin 6 respectively after passing hole on the plug patrix; Described socket 2 comprises socket patrix and socket counterdie 2-1, and described socket patrix is provided with four electrode jacks and two ground wire jacks, and described socket counterdie is provided with six electrode contact plates, and this electrode contact plate is corresponding with the jack on the socket patrix; After triple line is passed hole on the socket counterdie 2-1, A phase line 18 in the triple line is connected with first electrode contact plate 12, B phase line 19 in the triple line be connected with second electrode contact plate 13 and the 4th electrode contact plate 15 respectively, C phase line 20 in the triple line is connected with third electrode contact chip 14, and the ground wire 21 in the triple line is connected with the 5th electrode contact plate 16 and the 6th electrode contact plate 17; Three electrode pins on the plug 1 and earth pin 6 are inserted in first, second, third electrode jack and second ground wire jack 11 on the sockets, three phase electric machine is just changeed, three electrode pins on the plug and earth pin 6 are inserted in the first, the 3rd, the 4th electrode jack and first ground wire jack 10 on the sockets, make the three phase electric machine counter-rotating.

In the present embodiment, peg graft for convenience and save floor occupying area, second electrode pins 4, third electrode pin 5 and earth pin 6 on the described plug 1 are on same circumference, and first electrode pins 3 on the plug 1 is positioned on the center of circle of this circumference; Second electrode jack 8 on the described socket 2, third electrode jack 9, the

4th electrode jack

22 and 2 ground wire jacks are positioned on the same circumference, and first electrode jack 7 on the socket 2 is positioned on the center of circle of this circumference.

In the present embodiment, for the safety of pegging graft, the diameter of three electrode pins on the described plug 1 is greater than the diameter of the earth pin 6 on the plug 1; The diameter of four electrode jacks on the described socket 2 is greater than the diameter of two ground wire jacks on the socket 2, and the diameter of three electrode pins on the plug 1 is greater than the diameter of two ground wire jacks on the socket 2.

Receptacle sockets of the present utility model can be the combination of yi word pattern, circle or other Any shape, as long as assurance plug and socket are suitable.Referring to Fig. 4-Fig. 8.

In the utility model, described plug patrix can be connected by screw-threaded engagement or screw with the plug counterdie, and described socket patrix can be connected by screw-threaded engagement or screw with the socket counterdie.

In the use, can be as required with first contact chip, 12 phase-connecting wires or ground wire under first electrode jack 7.

In order to ensure safety, second electrode pins 4 on the plug 1, third electrode can be inserted 5 pin and be arranged on the same circumference, and first electrode pins 3 on the plug is positioned on the center of circle of this circumference; Earth pin 6 on the described plug 1 and second electrode pins 4 be not on same circumference; Second electrode jack 8 on the described socket 2, third electrode jack 9, the 4th electrode jack 22 are positioned on the same circumference, and first electrode jack 7 on the socket 2 is positioned on the center of circle of this circumference; First ground wire jack 10 on the described socket 2 and second ground wire jack 11 be not on the same circumference of second electrode jack 8.

The above; only being preferred embodiment of the present utility model, is not that the utility model is done any pro forma restriction, and those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification; equivalent variations or modification all drop in the protection range of the present utility model.

Claims

1. an interchangeable phase plug and socket, include plug and socket, it is characterized in that: described plug comprises plug patrix and plug counterdie, described plug counterdie is provided with three electrode pins and an earth pin, the end of a thread of three phase electric machine is connected with three electrode pins and earth pin respectively after passing hole on the plug patrix; Described socket comprises socket patrix and socket counterdie, and described socket patrix is provided with four electrode jacks and two ground wire jacks, and described socket counterdie is provided with six electrode contact plates, and this electrode contact plate is corresponding with the jack on the socket patrix; After triple line is passed hole on the socket counterdie, A phase line in the triple line is connected with first electrode contact plate, B phase line in the triple line be connected with second electrode contact plate and the 4th electrode contact plate respectively, C phase line in the triple line is connected with the third electrode contact chip, and the 5th electrode contact plate and the 6th electrode contact plate are connected with ground wire; Three electrode pins on the plug and earth pin are inserted in first, second, third electrode jack and second ground wire jack on the socket, three phase electric machine is just changeed, three electrode pins on the plug and earth pin are inserted in the first, the 3rd, the 4th electrode jack and first ground wire jack on the socket, make the three phase electric machine counter-rotating.

2. interchangeable phase plug as claimed in claim 1 and socket, it is characterized in that: second electrode pins on the described plug, third electrode pin are on same circumference, and first electrode pins on the plug is positioned on the center of circle of this circumference; Earth pin on the described plug is not on the circumference of second electrode pins; Second electrode jack on the described socket, third electrode jack, the 4th electrode jack are positioned on the same circumference, and first electrode jack on the socket is positioned on the center of circle of this circumference; First ground wire jack on the described socket and second ground wire jack be not on the circumference of second electrode jack.

3. interchangeable phase plug as claimed in claim 1 and socket, it is characterized in that: second electrode pins on the described plug, third electrode pin, earth pin are on same circumference, and first electrode pins on the plug is positioned on the center of circle of this circumference; Second electrode jack on the described socket, third electrode jack, the 4th electrode jack, first ground wire jack and second ground wire jack are positioned on the same circumference, and first electrode jack on the socket is positioned on the center of circle of this circumference.

4. as claim 1 or 3 described interchangeable phase plug and sockets, it is characterized in that: the diameter of three electrode pins on the described plug is greater than the earth pin diameter on the plug; The diameter of four electrode jacks on the described socket is greater than the diameter of two ground wire jacks on the socket, and the diameter of three electrode pins on the plug is greater than the diameter of two ground wire jacks on the socket.

5. as claim 1,2 or 3 described interchangeable phase plug and sockets, it is characterized in that: three electrode pins and an earth pin on the described plug are circle or yi word pattern, and four electrode jacks and two ground wire jacks on the described socket are circle or yi word pattern.

6. interchangeable phase plug as claimed in claim 1 and socket, it is characterized in that: described plug patrix is connected by screw-threaded engagement or screw with the plug counterdie, and described socket patrix is connected by screw-threaded engagement or screw with the socket counterdie.