CN2489499Y

CN2489499Y - Rotary electric connector

Info

Publication number: CN2489499Y
Application number: CN 01248889
Authority: CN
Inventors: 史德文
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-30
Filing date: 2001-07-30
Publication date: 2002-05-01
Anticipated expiration: 2011-07-30

Abstract

The utility model relates to a rotary electric connector, which belongs to a matching component of small electrical home appliance. Aiming at solving the defects in prior product of bad water proof and anti-electric shock, a similar product of new structure is designed which consists of an upper connector and a lower connector. The utility model is characterized in that: an electrode soldering terminal and a conductance rod are respectively arranged in a fire wire cavity. A zero line cavity and an earth line cavity; and a fixed plate corresponding to every cavity bottom are all provided with an osculum. The utility model has the characteristic of water proof, good anti-electric shock performance and low cost, which can be widely used in small electrical home appliance such as electric hot-water kettle.

Description

The rotary electric coupling

Technical field

The utility model belongs to a kind of matching component of small household electrical appliance.

Background technology

At present, the electrical interconnecting means of dock electric heating kettle has only indivedual countries to produce in the world, and is in monopoly sale status on market; Occupy share in order to change market, innovative design a kind of novel coupling.

Summary of the invention

The purpose of this utility model is, designed a kind of electric connector of new construction on the basis of existing product, by be provided with the totally-enclosed electrode of elasticity every cavity, improve creepage distance, avoid producing accidents such as short circuit, reach effect such as safe in utilization.

A kind of rotary electric coupling is to be made of last coupling (7) and lower link device (4) two parts, it is characterized in that:

A) Yuan Xing lower link device (4) is provided with the shell (3) of circular inner split ring (6), middle spacer ring (16), little spacer ring (18), lower link device weld tabs (1), (2), conductive pole (19), live wire chamber (14) and top, zero line chamber (13) by top closed circular ring plate (22), (24) that are complementary with two cavitys is installed, also be separately installed with spring (23), (25) under the circular ring plate, and fixed base plate (15) constitutes;

B) going up coupling (7) is to be made of middle spacer ring (21) that is installed in the housing caping and outer spacer ring (20), last coupling is installed in lower link device shell (3) top, all rounded structure, the relative position of the little spacer ring (18) of last coupling (7) and lower link device, be provided with and last coupling all-in-one-piece sleeve pipe (11), sleeve pipe (11) can insert in the inner chamber of little spacer ring (18), and the upper surface of last coupling is provided with conducting strip (8), (9), (10).

Three chambeies that are provided with the ground wire chamber (17) of conductive pole (19) and are provided with live wire chamber (14) and are provided with zero line chamber (13), be structure not connected, that completely cut off mutually, on the inner split ring (6) of lower link device, be provided with weld tabs (2), the upper end can be stretched in the hole of zero line chamber (13) freely, middle spacer ring (16) is provided with weld tabs (1), and the upper end can be stretched in the hole of live wire chamber (14) freely; On the fixed base plate (15),, be equipped with drainage gap with ground wire chamber (17), the corresponding position in live wire chamber (14) and zero line chamber (13); The outside dimension on the internal diameter of last coupling housing (5) and lower link device shell (3) top, and sleeve pipe (11) external diameter and little spacer ring (18) internal diameter size difference approximately equal, last coupling (7) is installed on the lower link device (4), the two is the state of closely cooperating, and last coupling (7) can rotate freely 360 ° on lower link device (4).

The utility model compared with prior art has the electrode side contacts, creepage distance is reasonable in design; The weld tabs of lower link device is located at by in Elastic Circular ring plate totally enclosed live wire chamber and the zero line chamber, and each Hang Qilu of electric conduction electrode-plate has solved electrodes exposed drawback outside, and good waterproof performance has been avoided the generation of electric shock accidents; Have only indivedual manufacturer production similar products at present abroad, be in the monopolization producing and selling stage, price is 4 dollars, and domestic annual requirement is seven～8,000,000, and only about 5 yuan, economic benefit is very considerable for production cost.

Description of drawings

Fig. 1, the whole sectional arrangement drawing of the utility model, wherein: 1, spacer ring, 17 ground wire chambeies, 18 little spacer rings, 19 conductive poles in coupling sleeve pipe, 12 exocoels, 13 zero line chambeies, 14 live wire chambeies, 15 fixed base plates, 16 on coupling, 8,9,10 conducting strips, 11 on coupling housing, 6 inner split rings, 7 on 2 lower link device weld tabs, 3 lower link device shells, the 4 lower link devices, 5;

Fig. 2, the upper and lower coupling of the utility model is opened the released state cutaway view, wherein: ring in 20 outer shrouds, 21;

Fig. 3, the interpret figure of coupling 7 on the utility model;

Fig. 4, the interpret figure of the utility model lower link device 4, wherein: 22,24 is that annulus closure plate, 23,25 is spring, 26 weld tabs.

To the utility model in conjunction with the accompanying drawings, further specify its structure and operation mechanism.

Embodiment

Produce the rotary electric coupling.Select the various accessories of the upper and lower coupling 4 of PA made and 7; On last coupling housing 5, install conducting

strip

8,9,10, the conducting strip 10 at sleeve pipe 11 positions is a ground wire, and zero line is by back casing, and the middle part is a live wire; Assembling lower link device 4 is fixed on cylindrical shape septulum ring 18, middle spacer ring 16, shell 3 on the base plate 15; Again two closed circular ring plates are installed in respectively in live wire chamber and the zero line chamber, and establish spring in the sheet bottom; Then, conductive pole 19 is installed in the bottom in ground wire chamber 17, and other two electrode weld tabs 1 and 2 are installed; When last coupling 7 is put on the lower link device 4, under action of gravity, the closed circular ring plate glides, electrode weld tabs upper end is by the hole on inner split ring 6 and middle spacer ring 16 tops, the upper end of two electrode weld tabs enters zero line chamber 13 and live wire chamber 14, and connect with the respective electrode of last coupling, when last coupling 7 leaves the lower link device, under the effect of spring, sliding on the closed circular ring plate, the electrode weld tabs all is in the live wire and zero line chamber of sealing, base plate 15 is provided with osculum, in case there is water in three chambeies, then can from the hole in each chamber, drain at any time, avoided electrode to expose effectively, the generation of electric shock accidentss such as short circuit.The centre of last coupling housing 5, be provided with and last coupling all-in-one-piece sleeve pipe 11, the internal diameter size of its outside dimension and septulum ring 18, and the outside dimension of going up coupling housing 5 internal diameter sizes and lower link device shell upper bound fraction, all be the closed structure that closely cooperates respectively, and can rotate freely 360 °.

Trial effect is good, and is quite popular with users.

Claims

1. a rotary electric coupling is to be made of last coupling (7) and lower link device (4) two parts, it is characterized in that:

A) Yuan Xing lower link device (4) is provided with the shell (3) of circular inner split ring (6), middle spacer ring (16), little spacer ring (18), lower link device weld tabs (1), (2), conductive pole (19), live wire chamber (14) and zero line chamber (13) by top, top is equipped with closed circular ring plate (22), (24) that are complementary with two cavitys, also be separately installed with spring (23), (25) under the circular ring plate, and fixed base plate (15) constitutes;

2. a kind of rotary electric coupling according to claim 1, it is characterized in that: three chambeies that are provided with the ground wire chamber (17) of conductive pole (19) and are provided with live wire chamber (14) and are provided with zero line chamber (13), be structure not connected, that completely cut off mutually, on the inner split ring (6) of lower link device, be provided with weld tabs (2), the upper end can be stretched in the hole of zero line chamber (13) freely, middle spacer ring (16) is provided with weld tabs (1), and the upper end can be stretched in the hole of live wire chamber (14) freely.

3. according to claim 1,2 described a kind of rotary electric couplings, it is characterized in that: on the fixed base plate (15),, be equipped with drainage gap with ground wire chamber (17), the corresponding position in live wire chamber (14) and zero line chamber (13).

4. a kind of rotary electric coupling according to claim 1, it is characterized in that: go up the internal diameter of coupling housing (5) and the outside dimension on lower link device shell (3) top, and sleeve pipe (11) external diameter and little spacer ring (18) internal diameter size difference approximately equal, last coupling (7) is installed on the lower link device (4), the two is the state of closely cooperating, and last coupling (7) can rotate freely 360 ° on lower link device (4).