CN2042630U - Controllable safety power supply socket - Google Patents

Abstract

The utility model relates to a controllable safety power supply socket used in a 220V-380V low voltage system. The socket is provided with a locking device. A key is inserted in a lock core to open the locking device, and an end cover is rotated by 90 DEG, the socket is restored into a using state from a safe state or turned into a safe state from a using state. The locking device is composed of the key, the lock core, a marble, a lock core locating pin, an end cover locating pin, a spring, a guide spacer pin, a plug, etc. The utility model has the advantages of simple structure, low cost, and easy operation.

Description

Controllable safety power supply socket

It is 220～380 volts supply socket that the utility model relates to a kind of voltage.

In daily life, the common power socket that is widely used, when the plug of electrical appliance was not plugged, its charged metallic contact exposed at the jack place of socket end cap, and this can not get rid of that the hand-held thinner conducting objects of children is touched its charged metallic contact and the possibility of getting an electric shock.And by the Tianjin electric car Xu Jixiang of company design, application number is 85201041 " safety power source plug socket ", its feature is: pedestal is provided with the insulation plug; Contain spring, hold-down screw between end cap and the pedestal, can make pedestal lifting or the rotation of end cap with respect to it.When socket does not temporarily use, can will carry on the end cap, make locating notch on it leave locating convex block on the pedestal, rotary end cover then, make jack and the dislocation of the live metal contact on the pedestal on the end cap, the end cap half-twist, treat to loose one's grip after another locating notch on the end cap and the locating convex block on the pedestal are aimed at, locate by the effect of spring force.Meanwhile, the insulation plug that is provided with on the pedestal is just in time sealed the jack on the end cap and is prevented that foreign matter from entering, and has played safe effect.When needs use socket, can will put forward backward rotation on the end cap and restore.This " safety power source plug socket " though in fail safe certain improvement has been arranged than common socket, it also has weak point; At first the same with common socket, the uncontrollable use of people to it, secondly, it also contains unsafe factor, because as long as common children just can return to user mode from safe condition with it, just can not get rid of the danger of children from getting electric shock this moment.

Task of the present utility model provides a kind of novel, controllable safety power source plug socket.

Task of the present utility model is finished as follows: it has adopted, and end cap can be around the principle of hold-down screw with respect to its pedestal rotation in " safety power source plug socket ", and on the pedestal of socket, also adorned one pair and prevented that foreign matter from entering the insulation plug of socket, but the utility model is at the insulation plug, all done improvement on the structure of end cap and pedestal: promptly have a circular hole at the center of insulation plug, the metal connection screw is placed in this circular hole, be evenly equipped with four location holes simultaneously in the side of end cap, cooperate with the alignment pin on the pedestal, and on the pedestal except be equipped with metallic contact and the insulation plug, also be provided with locking device.This installs by key, lock core, pellet shot from a slingshot, marble spring, lock core dowel, compositions such as end cap alignment pin, spring, guide and limit pin, chock plug.Have a half slot in the lower end of lock core, the end cap alignment pin is positioned on this half slot below and keeps vertical with lock core, when key inserts lock core, pellet shot from a slingshot withdraws from lock core, one side of key lower end (having the half slot place) just in time with the end cap alignment pin on a contacts side surfaces in the groove, one end of end cap alignment pin is with spring, the other end inserts in the end cap location hole, rotate counterclockwise key, lock core also is rotated, and the key lower end then drives the end cap alignment pin and moves right, and makes the end cap alignment pin withdraw from location hole, this moment, spring was compressed, and end cap can rotate.After end cap turns over an angle, can extract key, be rotated further end cap to the second location hole and end cap alignment pin to timing, alignment pin is moved to the left under the effect of spring force, inserts in the end cap location hole, makes between end cap and the pedestal by locked.In order to prevent since end cap break cause that the end cap alignment pin rushes at lug plate and charged may, be equipped with a guide and limit pin at the downside of end cap alignment pin.In a word, make socket return to user mode or change safe condition over to from user mode from safe condition, as long as key is inserted lock core, open locking device, rotary end cover gets final product then.

This socket is owing to be equipped with locking device, and therefore, its use can be subjected to artificial control, and this locking device has stronger confidentiality, the key with its pairing just can't not change its state, especially when socket is in a safe condition, change its state, it is impossible not having key, this compares with " safety power source plug socket ", then strengthened safety measure, and cost is low, simple in structure, easy operating.

Below with reference to accompanying drawing the utility model is described in further detail.

Fig. 1 is the utility model front view.

Fig. 2 is the utility model vertical view, and it partly is that socket among Fig. 1 is dissected along the 4-4 line and formed that figure middle part is looked.

Fig. 3 is that the socket of Fig. 2 is along 1-1 line cutaway view.

Fig. 4 is the partial enlarged drawing of lock core, key, end cap alignment pin joint portion.

Fig. 5 is the lock core front view.

Fig. 6 is that lock core is along 2-2 line cutaway view.

Fig. 7 is that lock core is along 3-3 line cutaway view.

Referring to figs. 1 through Fig. 7, on an oval-shaped pedestal (6), on one side it is equipped with two metallic contacts (3) and two insulation plugs (16), the line of two metallic contacts is vertical mutually with the line of two insulation plugs.The center of insulation plug has a circular hole, and terminal screw (8) is positioned in this circular hole.One end of metal wiring film (4), metallic contact (3) are fixed on the pedestal by screw (1), and the other end of metal wiring film is rotary with terminal screw.Another side on the pedestal is provided with locking device.This device is made up of key (10), lock core (11), end cap alignment pin (12), spring (14), chock plug (13), pellet shot from a slingshot (19), marble spring (18), chock plug (17), lock core dowel (20), guide and limit pin (15) etc.One side of lock core has pellet shot from a slingshot hole (21) and lock core location notch (22), opposite side has a half slot (23), this groove is corresponding with fluting on the end cap alignment pin, lock core is vertically mounted in the lock core hole on the pedestal, above lock core hole, have and the corresponding circular hole in lock core one side pellet shot from a slingshot hole, pellet shot from a slingshot, marble spring, chock plug are housed in the hole.Also have one and the corresponding circular hole of lock core half slot in the bottom of lock core hole, end cap alignment pin, spring, chock plug are positioned in this circular hole.When key injected lock core, the interior contacts side surfaces of a side of key lower end and the groove on the alignment pin rotated counterclockwise key, and lock core also is rotated, and the end cap alignment pin moves right, and made the end cap alignment pin withdraw from location hole (9) on the end cap (2).Four location holes are distributed on the side of end cap, are linked together by the screwed hole on screw (5) and the pedestal between end cap and the pedestal, and the screw lower end is rotary with jam nut (7).

Claims (4)

1, a kind of controllable safety supply socket, one side on its pedestal (6) is equipped with two metallic contacts (3) and insulation plug (16) respectively, one end of metal wiring film (4) and metallic contact are fixed on the pedestal by screw (1), the other end of metal wiring film is rotary with terminal screw (8), end cap (2) is connected with screwed hole on the pedestal by screw (5), the lower end of screw is rotary with locking cap (7), it is characterized in that: the another side on the pedestal is provided with locking device, this device is by key (10), lock core (11), pellet shot from a slingshot (19), marble spring (18), chock plug (17), lock core dowel (20), end cap alignment pin (12), spring (14), guide and limit pin (15), chock plug compositions such as (13), the lock core (11) that one side has half slot (23) is vertically mounted on the pedestal, end cap alignment pin (12) keeps vertical with lock core, be positioned on the below of half slot, the one end is with spring (14), the other end inserts in the location hole (9) of end cap, and the downside of end cap alignment pin also is equipped with guide and limit pin (15).

2, supply socket according to claim 1 is characterized in that: the center of insulation plug (16) has a circular hole, and terminal screw (8) is positioned in this circular hole.

3, supply socket according to claim 1 is characterized in that: the side of end cap (2) is evenly equipped with four location holes (9).

4, supply socket according to claim 1 is characterized in that: end cap alignment pin (12) can move to the left or to the right.

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