CN2374994Y

CN2374994Y - Source plug lock

Info

Publication number: CN2374994Y
Application number: CN 99206940
Authority: CN
Inventors: 万军
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-04-30
Filing date: 1999-04-30
Publication date: 2000-04-19
Anticipated expiration: 2009-04-30

Abstract

The utility model belongs to the daily life field, particularly a lock which can lock a dipolar source plug. The lock is composed of a lock body (1), a lock core (6), a lock tongue (3), a lock tongue pulling component (4), a flat head pellet (9), a round head pellet (10), and a spring (8). The upper part of the lock is provided with a groove hole (2) which is matched with the dimension of the bolt plates of the dipolar source plug. When the plug is inserted into the groove hole, the front of the lock tongue (3) which is matched with the size of the groove hole on the bolt plate can be easily extended into the groove hole so that the source plug can be locked. The lock has simple design principle, and has the function of conveniently locking the source plug of appliances.

Description

Power plug lock

The utility model belongs to daily life field, particularly relates to a kind of lock.

The household electrical appliance of using always in our daily life, for example the attaching plug of television set, washing machine, electric iron etc. mostly is the two poles of the earth attaching plug, its structural representation as depicted in figs. 1 and 2, this the two poles of the earth attaching plug is inserted in the two poles of the earth supply socket that is complementary with it, can connect the power supply of electrical appliance, make the electrical equipment operate as normal.But there is following defective in this plug: all there be 2-3 above supply socket (what have is more) in general family of today, and most sockets generally all are fixed on the wall, simple control child because of can't obviously not being very easily with the way that can not teleview or use some dangerous electrical equipment in the plug insertion socket, and the socket that also has is unavoidably lost by the method for blocking, block socket with object.And child generally has very strong curiosity, imitates power and weak ability of self control, be difficult to then guarantee that as (as cold, summer vacation) in separately child being stayed at home it does not teleview, does not imitate the adult and use household electrical appliance, this not only influences study, more makes child be vulnerable to beyond thought injury, and big people can not work contentedly.

The purpose of this utility model just provides a kind of lock that a kind of design principle is simple, easy to use and can pin the two poles of the earth attaching plug of electrical appliance.

Product of the present utility model is achieved in that common padlock (comprise and head straight for padlock and horizontal two kinds of the padlocks of opening) is carried out structural transformation, makes it meet requirement of the present utility model.It is as follows to transform the back structure: at first have two groove holes (horizontal stroke in groove hole, longitudinal size are slightly larger than the size of plug blades) that length, thickness and width with two plug blades of the two poles of the earth attaching plug are complementary on lock body, the degree of depth in groove hole, thickness and width should guarantee the smooth insertion of attaching plug plug blades, and making the hole on the plug blades just in time contour with the position of dead bolt, dead bolt is various square tongue, cylindricality tongue, taper tongue or the oblique tongue that satisfies the utility model requirement.Again the dead bolt of padlock is transformed, its size that is exposed at the dead bolt part (being the dead bolt front portion) in the lock body groove hole and the hole on the attaching plug latch are complementary, assurance dead bolt front portion can successfully be inserted in the hole of plug blades, reaches the purpose of pinning attaching plug.Remove the lock bridge of common padlock, the remainder of lock such as lock core, pellet shot from a slingshot, pin etc. keep the structure of padlock constant.

Because the related lock of the utility model can pin the two poles of the earth attaching plug easily, reduce the generation that incorrect (purpose is incorrect, method is incorrect etc.) makes the electrical appliance situation, thereby reach the on purpose use of control apparatus, therefore have simplicity of design, easy to use, outstanding effect advantage.

Further specify the structure of this lock below in conjunction with accompanying drawing.

Fig. 1 is the front view of the two poles of the earth attaching plug;

Fig. 2 is the left view of the two poles of the earth attaching plug;

Fig. 3 is the stereogram of the related lock of the utility model;

Fig. 4 is the A-A cutaway view of Fig. 3;

Fig. 5 is the B-B cutaway view of Fig. 3, Fig. 4;

Fig. 6 is the C-C cutaway view of Fig. 3, Fig. 4;

Fig. 7 is the D-D cutaway view of Fig. 3;

Fig. 8 is the vertical view of Fig. 3;

Fig. 9 is the E-E cutaway view of Fig. 3;

Figure 10 is the F-F cutaway view of Fig. 3, Fig. 4.

As can be seen from Figure 4, this kind lock is by lock body 1, dead bolt 3, lock core 6, dead bolt dragging element 4 and tack pellet shot from a slingshot 9 and round end pellet shot from a slingshot 10 formations with the lock core one, lock core 6 is embedded in the lock body 1, be (the dead bolt dragging element 4) that a upper end has projection, the side has the cylinder in pellet shot from a slingshot hole, tack pellet shot from a slingshot and round end pellet shot from a slingshot and spring 8 are housed in the pellet shot from a slingshot hole 13 of lock body 1, the round end pellet shot from a slingshot, the tack pellet shot from a slingshot, the structure of pellet shot from a slingshot hole and lock core, the internal structure of setting and arrangement and common padlock is identical, as shown in Figure 4, when the pellet shot from a slingshot hole on the lock core go to lock body on pellet shot from a slingshot hole 13 same positions and key when not inserting, round end pellet shot from a slingshot 10 is under the elastic force effect of spring 8, enter in the pellet shot from a slingshot hole on the lock core, pin tapered end; Key 11 inserts in the lock cores, and it pushes away lock core with tack pellet shot from a slingshot 9 and enters fully in the pellet shot from a slingshot hole 13 on the lock body, and the external force of pinning lock core disappears, along with the rotation of key, lock core and with it the dead bolt dragging element 4 of one also along with rotating together.Dead bolt 3 is the same with the dead bolt structure of common padlock, its side near dead bolt dragging element 4 has along dead bolt axis rear and front end has frame the right and left not have the square groove of frame, the dead bolt dragging element moves in the groove of dead bolt side, promote dead bolt 3 along its axial stretching, control lock is opened and closed purpose thereby reach, the front shape of dead bolt 3 such as Fig. 4, Figure 6 and Figure 7 are the oblique circular cylinder shape.The 7th, the pin of fixed lock core can only rotate lock core and can not move up and down, and drops out lock body, as shown in figure 10.

For reaching the purpose of this utility model, as Fig. 3, Fig. 4 and shown in Figure 8, on lock, have the groove hole 2 of two same sizes, the width in groove hole 2, thickness, distance between the degree of depth and two groove holes is slightly larger than Fig. 1, (GB1002-80: the thickness of plug blades is 1.2-1.8mm to the two poles of the earth attaching plug shown in Figure 2, width is 6.3 ± 0.1mm, length is 16mm, distance between two pin sheets is 12.7 ± 0.15mm, the diameter 3.2mm in hole, the hole heart is the width of 11.8 ± 0.2mm) two plug blades to the distance of plug base, thickness, length and distance, as the size matching relationship of the two poles of the earth attaching plug and supply socket, the plug blades of plug can be inserted in the groove hole of lock body easily.The degree of depth in groove hole or the dead bolt position in the groove hole, should guarantee when in the plug blades insertion groove hole, during hole on the plug blades can axially be stretched into along it in the front portion of dead bolt 3, and its outside dimension should be slightly less than the diameter of hole on the plug blades, guarantee that the dead bolt front portion unhinderedly locks in the hole on the pin sheet, thereby pin the two poles of the earth attaching plug.Dead bolt 3 front portions can be different shapes such as cylindricality, square or taper.

As shown in Figure 4, as a kind of improvement of the present utility model, the groove hole that does not have dead bolt is positioned at the dead bolt axis is processed into the cylindrical groove of slightly larger in diameter along axis, groove hole direction in groove hole width with the lower part, make it to run through lock body 1, the bottom is sealed with mounting 5, in this cylindrical groove hole, be provided with identical with the shape of groove, external diameter is slightly less than the cylindricality pad 12 and the spring 8 of groove internal diameter, both natural height of pad and spring are positioned at place, dead bolt axis, the external diameter of while pad should slightly be wider than the groove hole and be positioned at the width (shape of this part still be cuboid) of dead bolt axis with top, thereby can guarantee that pad can not ejected the groove hole, (Fig. 5 is Fig. 3 as shown in Figure 4, the B-B cutaway view of Fig. 4).When locking attaching plug in the groove hole, the spring 8 below the plug blades compression gasket 12 is when inserting key 11 and open lock, the dead bolt withdrawal, the resistance that the control plug ejects disappears, and spring 8 promotes pad 12 bounce-backs, thereby plug is ejected slotted eye, make the unlatching of lock and closure all very convenient.

As long as being housed, the locus of shape, pad 12 and the spring 8 of the groove of pad 12 satisfies the groove hole that when opening lock, can eject plug lock, be not confined to the shape of the disclosed a kind of cylindrical groove of the utility model accompanying drawing and the high and low position of pad, the axis of cylindrical groove also not necessarily coincides with the axis in groove hole 2, plug is ejected groove hole 2 as long as the setting of the groove of pad and spring is housed when lock is opened, get final product thereby reach the purpose of this utility model.

The external shape of lock body is generally cuboid; four frames that can be designed to as shown in Figure 3 as a kind of improvement are the shape of arc; can also be designed to different shape and paint shades of colour; as have lovely animal of color etc.; but as long as keep its inside to have the character and the structure of lock; the effect of pinning the two poles of the earth attaching plug by the groove hole in the lock body is arranged, be the utility model product required for protection.Size to lock is not done requirement, so long as not seeming clumsy, can conveniently using and get final product.

Claims

1, a kind of power plug lock, comprise lock body (1), be embedded in the lock core (6) in the lock body (1), the pin (7) that is used for fixing lock core in the lock body (1), be positioned at the dead bolt (3) on lock body (1) internal cylinder (6) top, dead bolt dragging element (4) with the lock core one, be loaded on the tack pellet shot from a slingshot (9) in the pellet shot from a slingshot hole (13), round end pellet shot from a slingshot (10), spring (8) and mounting (5) constitute, it is characterized in that: have two measure-alike groove holes (2) at the top of lock body (1), the width in groove hole (2), the plug blades of thickness and length and the two poles of the earth attaching plug is complementary, and guarantees the smooth insertion of plug blades; When high and low position, shape and the size of dead bolt (3) in the groove hole guaranteed in plug insertion groove hole (2), dead bolt can successfully stretch in the hole on the plug blades, pins plug.

2, a kind of power plug lock as claimed in claim 1, it is characterized in that: in not being provided with the groove hole of dead bolt, axially have the cylindrical groove of slightly larger in diameter in groove hole thickness along the groove hole, pad (12) and spring (8) are housed in cylindrical groove, the bottom is sealed with mounting (5), and the slightly larger in diameter of pad (12) is in the thickness of groove hole (2).

3, a kind of power plug lock as claimed in claim 1, it is characterized in that: in not being provided with the groove hole of dead bolt, be positioned at following position, dead bolt axis and axially have the cylindrical groove of slightly larger in diameter along the groove hole in groove hole thickness, pad (12) and spring (8) are housed in cylindrical groove, the bottom is sealed with mounting (5), and the slightly larger in diameter of pad (12) is in the thickness of groove hole (2).