CN101320861A

CN101320861A - Safety socket with electric power operated by plug

Info

Publication number: CN101320861A
Application number: CNA2008101071456A
Authority: CN
Inventors: 陈通平
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-20
Filing date: 2008-07-20
Publication date: 2008-12-10

Abstract

The invention relates to a power socket. Specifically, a safety plug with power controlled by the plug is popularized. Two couples of protection doors on right and left of the plug are fixed by a pin on a fixed axle hole respectively, with a torsion spring. An extension strip is arranged each below the two couples of the protection doors. Traveling contacts are arranged in spacing below each of the two plug bushes at positive and negative poles of the plug. The left and the right traveling contacts connected with an external connecting hole through a flexible cord are installed at left and right two sides of a contact bracket having a vertical column in the middle part. A compression spring can be installed on the vertical column, which is compressed by an independent pressure plate. An elliptical moving block is on the top of the vertical column, which makes the extension strips below the left and right two couples of the protection doors in contact at the same time. The two right and left traveling contacts are capable of being separated from or combined with the two plug bushes of the positive and negative poles, through propelling effect for the protection doors by inserting the plug into the socket. Therefore, the power can be controlled by inserting the plug, so as to enhance safety of power utilization greatly.

Description

A kind of power supply is subjected to the safety socket of plug control

Technical field

The present invention relates to supply socket, specifically is to promote the safety socket that a kind of power supply is subjected to plug control.

Background technology

The supply socket that we use at ordinary times is installed in highly about 1 meter place usually, perhaps uses the electric socket that multiple function is arranged, these all are that child can touch, if the adult does not notice that child is easy to foreign matters such as pen, screwdriver are injected in the jack, causes electric shock accidents.Socket should be installed in the position that highly is not less than 1.8 meters, and socket will be provided with shutter, and will be arranged long useful life, and this is people's safety requirements basic to safety socket.Zhejiang a lot of electrical equipment group company has produced the socket that has shutter of many types, has played extraordinary prevention effect for preventing child in the socket because of curious foreign matter is inserted into, and is very popular.Yet when in a single day fault such as malfunctioning, impaired or aging took place for the shutter of this type of socket, child used screwdriver, can directly be inserted into fully in the sleeve of socket bottom, surely the tragedy that people are unwilling to see can take place.The function that two latches that only allow the homologous ray plug of its setting insert had simultaneously just lost efficacy, and the socket needs that have shutter further improve the performance of oneself.

Summary of the invention

The not high problem of fail safe that the present invention exists above-mentioned socket, propose and made the safety socket that a kind of power supply is subjected to plug control, energized when the plug socket, do not have the non-transformer of insertion, single hole misplugs does not have power supply not have Danger Electric shock risk yet, is made up of Socket casing, positive and negative sleeve, shutter etc., it is characterized in that, two pairs of shutters are fixed by the pin on the fixed shaft hole respectively about described, and install torsionspring additional, and two pairs of shutter belows respectively have one to prolong bar; Two sleeves of described both positive and negative polarity respectively have a moving contact down at interval; left and right moving contact and external connection hole are mounted on the right and left of contact holder with flexible cord; there is column at the contact holder middle part; on the column compression spring can be installed; the compression spring is pushed down by pressing plate independently; there is oval movable block the column the top, and the prolongation bar about oval movable block can allow under the two pairs of shutters touches simultaneously.

A kind of power supply of the present invention be subjected to plug control safety socket about the two pairs of shutters and contact holder adopt plastics or ceramic material; Compression spring on the contact holder is pushed down by pressing plate, and pressing plate is pushed down by housing.

A kind of power supply of the present invention is subjected to the safety socket of plug control; be by the impetus of plug insertion socket to shutter; make two left and right moving contacts on the contact holder realize separating and combining, reach the purpose that plug inserts the control socket power with two sleeves of both positive and negative polarity.This socket is if single hole inserts; the prolongation bar of a shutter touches and masterpiece when being used for oval movable block; oval movable block causes doing the circumference activity owing to be subjected to the effect of out-of-balance force, and contact holder also just can't be done to top offset; can't energized; improved the fail safe of electricity consumption greatly, simultaneously, this socket can install this device additional on the basis of original socket; just change on original product mold, production cost is not high.

Description of drawings

Fig. 1 is the structural representation that a kind of power supply is subjected to the safety socket of plug control;

Fig. 2 is that a kind of power supply is subjected to the structural representation after the safety socket plug of plug control inserts;

Fig. 3 is that a kind of power supply is subjected to the structural representation after the safety socket single hole of plug control inserts;

Fig. 4 is the safety socket vertical view that a kind of power supply is subjected to plug control;

Fig. 5 is the residing schematic diagram of safety socket pressing plate that a kind of power supply is subjected to plug control.

Among the figure: the 1st, left shutter, the 1.1st, the left fixed shaft hole, the 1.2nd, a left side prolongs bar; 1.3 be the left handed twist spring, 1.4 left fixed shafts are 2 to be right shutters; 2.1 be the right fixed shaft hole, the 2.2nd, right bar, the 2.3rd, the right torsionspring of prolonging; 2.4 be right fixed shaft, the 3rd, housing, the 4th, contact holder; 4.1 be left moving contact, the 4.2nd, right moving contact, the 4.3rd, oval movable block; 4.4 be column; 4.5 be the compression spring, the 5.1st, left external connection hole, the 5.2nd, right external connection hole; the 6th, pressing plate; 7.1 be left external flexible cord, the 7.2nd, right external flexible cord, the 8.1st, left sleeve; 8.2 be right sleeve, the 9th, plug.

Embodiment

In the drawings, socket is made up of housing (3), left shutter (1), right shutter (2), left sleeve (8.1), right sleeve (8.2) and contact holder (4) etc., and compression spring (4.5) and oval movable block compositions such as (4.3) on left moving contact (4.1), right moving contact (4.2), the column (4.4) are arranged on the contact holder (4); Left side moving contact (4.1) is connected left external connection hole (5.1) and right external connection hole (5.2) with right moving contact (4.2) respectively by external flexible cord in a left side (7.1) and right external flexible cord (7.2).

Among Fig. 1; left shutter (1) on the Socket casing (3), right shutter (2) cover jack separately respectively; there are left moving contact (4.1), right moving contact (4.2) that spacing distance is arranged on left side sleeve (8.1) and right sleeve (8.2) and contact holder (4) both sides; at this moment; only on left moving contact (4.1), right moving contact (4.2), left sleeve (8.1) and right sleeve (8.2) are electroless state to power supply.

Among Fig. 2; plug (9) is inserted to socket; at first to exert pressure to left shutter (1) and right shutter (2) simultaneously; the left handed twist spring (1.3) on the left shutter (1) and the active force of the right torsionspring (2.3) on the right shutter (2) have been overcome; making a left side under the left shutter (1) prolong the right side oval movable block (4.3) of prolongation bar (2.2) on contact holder (4) under bar (1.2) and the right shutter (2) draws close and executes one and upward pressure; the column (4.4) that has overcome contact holder (4) is gone up the active force of compression spring (4.5), upwards together the left moving contact (4.1) on contact holder (4) both sides is contacted energising with left sleeve (8.1) with right sleeve (8.2) respectively with right moving contact (4.2).

When pulling out plug (9); plug (9) disappears to the active force of shutter; left side shutter (1) and right shutter (2) are respectively under the active force of left handed twist spring (1.3) and right torsionspring (2.3); left side shutter (1) and right shutter (2) rebound to jack position; leave oval movable block (4.3) together with left side prolongation bar (1.2) and the right bar (2.2) that prolongs below them; the column (4.4) of contact holder (4) is gone up under the effect of compression spring (4.5); contact holder (4) breaks away from and the contacting of left sleeve (8.1) and right sleeve (8.2) together with the left moving contact (4.1) on the both sides and right moving contact (4.2); after plug (9) pulled out like this, socket had been off-position.

Fig. 3 is the schematic diagram that socket is inserted by single hole: right shutter (2) is exerted pressure by a rectangular thing; right side prolongation bar (2.2) on the right shutter (2) arrives oval movable block (4.3) and locates; because oval movable block (4.3) can be movable; the power effect of right prolongation bar (2.2) thereon; cause oval movable block (4.3) to do the circumference activity with its central point; can't do displacement to whole contact holder (4); the left moving contact (4.1) of contact holder (4) also just can't contact with right sleeve (8.2) with left sleeve (8.1) with right moving contact (4.2), does not have the situation of energized.Only the left side of left shutter (1) and right shutter (2) prolong bar (1.2) and right prolong that bar (2.2) acts on simultaneously and oval movable block (4.3) on; oval movable block (4.3) just can be not own to rotating, and just can make the oriented top offset of whole contact holder (4).

Claims

1, a kind of power supply is subjected to the safety socket of plug control, form by Socket casing, positive and negative sleeve, shutter etc., it is characterized in that, described about two pairs of shutters fix by the pin on the fixed shaft hole respectively, and installing torsionspring additional, two pairs of shutter belows respectively have one to prolong bar; Two sleeves of described both positive and negative polarity respectively have a moving contact down at interval; left and right moving contact and external connection hole are mounted on the right and left of contact holder with flexible cord; there is column at the contact holder middle part; on the column compression spring can be installed; the compression spring is pushed down by pressing plate independently; there is oval movable block the column the top, and the prolongation bar about oval movable block can allow under the two pairs of shutters touches simultaneously.

2, a kind of power supply according to claim 1 is subjected to the safety socket of plug control, it is characterized in that, described about the two pairs of shutters and contact holder adopt plastics or ceramic material.

3, a kind of power supply according to claim 1 is subjected to the safety socket of plug control, it is characterized in that the compression spring on the described contact holder is pushed down by pressing plate, and pressing plate is pushed down by housing.