KR100649621B1 - Plug devices for electrical appliances - Google Patents

Abstract

Disclosed is a plug device for an electrical appliance that can be easily carried and transported by separating the plug from the electrical appliance, and the electrical appliance can be stacked and stored or transported. The plug device of the present electrical appliance includes a pair of insertion terminals installed in connection with a circuit in a PCB installed inside the electrical appliance to protrude to the outside of the coupling hole formed in the housing of the electrical appliance; And a pair of connection terminals coupled to the outlet on one side, and a space portion is formed inside the other side, and electrically connected to the connection terminal and formed to fit into the insertion terminal so as not to protrude to the space portion. And a plug configured separately from the electrical appliance having a pair of fitting terminals to be installed, wherein the plug has a structure that is coupled with the electrical appliance such that the fitting terminal and the insertion terminal are connected by a coupling / separation means. . Thus, the plug can be selectively coupled to or disconnected from the insertion terminal of the electrical appliance by a coupling / separation means.

Description

PLUG DEVICE OF AN ELECTRIC APPARATUS

1 is an exploded perspective view showing a plug device according to a first embodiment of the present invention.

Figure 2a, 2b is a cross-sectional view showing a state in which the plug shown in FIG.

Figure 3 is a side view showing a state of use of the electrical appliance to which the plug device according to the invention is applied.

Figure 4 is a cross-sectional view showing a plug device according to a second embodiment of the present invention.

5 is a cross-sectional view showing a plug device according to a third embodiment of the present invention.

6 is a cross-sectional view showing a plug device according to a fourth preferred embodiment of the present invention.

7 is a cross-sectional view showing a plug device of an electrical appliance according to the prior art.

<Description of the symbols for the main parts of the drawings>

10: electrical appliances 12: housing

12A: Jam Part 14: PCB

16: coupling hole 20, 21: insertion terminal

22: jam jaw 30: plug

32: connection terminal 34: space part

36,36B: Fitting terminal 36A: Hanging groove for terminal

38: locking projection 39: locking groove

The present invention relates to a plug device for an electrical appliance, and more particularly, a plug coupled to an outlet is configured separately from the electrical appliance, and the plug is selectively coupled to or separated from the electrical appliance to stack and store the electrical appliance. It relates to a plug device of an electrical appliance that can be carried out easily.

Generally, electrical appliances have a plug for supplying power from the outside. The plug is connected to the electrical appliance by a length of wire. Therefore, the plug must be coupled to the outlet in order to supply power to the electrical appliance.

In this way, the plug is coupled to the outlet so that power is supplied to the electrical appliance.

Recently, an electrical appliance in which the plug is formed integrally is disclosed. One side of the electrical appliance is formed so that the plug protrudes. In particular, in the case of electrical appliances such as battery chargers, since the plug was integrally formed in the body, there was an advantage that the wire was unnecessary.

However, as shown in Fig. 7, the electrical appliance 1, such as a battery charger according to the prior art, is laminated to carry or store the electrical appliance 1 because the plug 2 is integrally formed on the back thereof. If there was a problem that the lamination is not made, there is a problem that the portability becomes uncomfortable due to the large volume by the protruding plug (2). That is, since the plug 2 was protruded with the connection terminal 2A on the back of the electrical appliance 1, the electrical appliance 1 could not be laminated | stacked, and there existed a problem that carrying volume became inconvenient.

The present invention has been made in order to solve the problems caused by the prior art, the technical problem of the present invention is to configure the plug to be used in electrical appliances separately from electrical appliances and to be combined with electrical appliances as necessary It is to provide a means for improving the portability and transport / storage of the product.

In order to solve the above technical problem, this invention is.

A pair of insertion terminals installed in connection with a circuit in the PC to be installed inside the electrical appliance so as to protrude to the outside of the coupling hole formed in the housing of the electrical appliance; And

A pair of connection terminals coupled to the outlet is provided on one side, and a space portion is formed inside the other side, and is electrically connected to the connection terminal and is formed to be fitted to the insertion terminal so as to protrude out of the space portion. And a plug having a pair of fitting terminals, the plug being configured separately from the electrical appliance.

The plug is coupled to the electrical appliance so that the fitting terminal and the insertion terminal are connected by a coupling / separation means, and the plug device of the electrical appliance is characterized in that it is separated from the electrical appliance so as to be spaced apart. .

The coupling / separation means,

The inlet edge of the space portion is characterized in that it consists of a locking projection to selectively hold the coupling state of the plug and the electrical appliance is caught by the inner edge of the coupling hole when the fitting terminal is fitted to the insertion terminal.

The other joining / separating means is

A locking piece formed at an edge of the inner circumferential surface of the coupling hole; And

A locking groove formed on the other outer circumferential surface of the plug and formed so that the locking piece is inserted and caught when the fitting terminal is fitted to the insertion terminal to selectively maintain a coupling state between the plug and the electrical appliance. do.

Another combining / separating means is

At least one internal locking groove formed on an inner circumferential surface of the insertion terminal; And

And at least one locking jaw formed on an outer circumferential surface of the fitting terminal when the fitting terminal is inserted into the insertion terminal so as to be caught by the internal locking groove.

The present invention, a pair of fitting terminals are installed so as not to protrude to the outside of the coupling hole formed in the housing of the electrical appliance to be connected to the circuit to the PCB installed inside the electrical appliance; And

A pair of connection terminals coupled to an outlet is provided at one side, and a space portion is formed inside the other side, and is electrically connected to the connection terminal and is formed to be fitted with the fitting terminal so as not to protrude to the space portion. And a plug having a pair of insertion terminals configured to be separate from the electrical appliance.

The plug further provides a plug device for an electrical appliance, wherein the plug is coupled with the electrical appliance such that the fitting terminal and the insertion terminal are connected by the coupling / separating means.

The coupling / separation means,

The inlet edge of the space portion is characterized in that it consists of a locking projection to selectively hold the coupling state of the plug and the electrical appliance is caught by the inner edge of the coupling hole when the fitting terminal is fitted to the insertion terminal.

When described in detail with reference to the accompanying drawings, each preferred embodiment of the present invention having such features as follows. Hereinafter, the electrical appliance will be described based on a battery charger, but is not limited thereto.

1 and 2A, 2B, the plug device of the electrical appliance according to the first embodiment of the present invention includes a pair of insertion terminals 20 installed in the PC 14 of the electrical appliance 10, and A plug 30 having a fitting terminal 36 fitted to the insertion terminal 20 and formed separately from the electrical appliance 10, and for maintaining the coupling state of the plug 30 and the electrical appliance 10. Combination / separation means

This will be described in more detail as follows.

The insertion terminal 20 is provided in the electrical appliance 10 and is installed in the PC 14 inside the housing 12 of the electrical appliance 10 as shown in FIGS. 1 and 2A. The insertion terminal 20 is electrically connected to the circuit of the PC 14. As shown in FIG. 1, the insertion terminal 20 has a structure in which the fitting terminal 36 is formed to be metallic so that the fitting terminal 36 is electrically connected and is partially cut to have elasticity. The insertion terminal 20 is installed in the PC 14 so as to be located inside the coupling hole 16 formed in the housing 12.

Therefore, the insertion terminal 20 is installed in a state protruding to the outside of the coupling hole 16, as shown in FIG. That is, when the PC 14 provided with the insertion terminal 20 is installed inside the housing 12, each end portion of the insertion terminal 20 protrudes outward from the coupling hole 16. At this time, the protruding degree of the insertion terminal 20 is about 2-5mm. In this way, the insertion terminal 20 protrudes so that the fitting terminal 36 comes into contact with the insertion terminal 20 in advance when the plug 30 is coupled to the housing 12 by the coupling / separation means. ) And the insertion terminal 20 to improve the connection stability and bonding.

In this case, a support rib may be formed around the coupling hole 16 as shown in FIG. 1. This support rib has a function of supporting while guiding the insertion of the plug 30.

The plug 30 is formed to be selectively coupled to or separated from the housing 12 of the electrical appliance 10 by a coupling / separation means, and a pair of connection terminals 32 coupled to the outlet are formed at one side and the other side. The space 34 is formed inside. A pair of fitting terminals 36 are installed inside the space 34 so as not to protrude out of the space 34, and the fitting terminal 36 is electrically connected to the connection terminal 32. The fitting terminal 36 is preferably formed in a hemispherical end so that the insertion terminal 20 is easily inserted into the insertion terminal 20.

The coupling / separating means is for selectively coupling or detaching the plug 30 to the housing 12, and includes a locking protrusion 38 formed at an edge of the space portion 34 of the plug 30. Since the locking projection 38 is formed to protrude from the edge of the space 34, it has elasticity to return to its original state when the plug 30 is pressed from both sides.

Referring to the operation of the plug device according to the first embodiment of the present invention configured as described above is as follows.

As shown in FIGS. 1 and 2A and 2B, a pair of insertion terminals 20 are installed inside the electrical appliance 10, and the plug 30 is formed separately from the electrical appliance 10 so that the insertion terminal is provided. There is a fitting terminal 36 to be coupled to the 20, the plug 30 is provided with a coupling / separating means.

In this state, in order to couple the plug 30 separately configured from the electrical appliance 10 to the electrical appliance 10, the locking projection 38 is inserted into the coupling hole 16.

As such, when the engaging protrusion 38 is inserted into the coupling hole 16, the fitting terminal 36 is first contacted with the insertion terminal 20 through the coupling hole 16 to be inserted into the insertion terminal 20. . This is possible because the insertion terminal 20 protrudes out of the coupling hole 16.

Subsequently, when the locking projection 38 is located at the inner edge of the coupling hole 16, the locking protrusion 38 is caught by the inner side edge of the coupling hole 16 while being opened in opposite directions by each other by its elasticity. , The fitting terminal 36 is completely fitted to the insertion terminal (20). Therefore, the power of the outlet can be supplied to the PC 14 via the plug 30.

When the fitting terminal 36 is fitted to the insertion terminal 20, the engaging projection 38 is fixed to the inner edge of the coupling hole 16, so that the coupling state of the plug 30 and the electrical appliance 10 is It can be maintained.

On the other hand, in order to separate the plug 30 coupled to the electrical appliance 10, both sides of the plug 30 is mounted, pressed and pulled. In this way, pressing both sides of the plug 30 is the locking projection 38 is out of the inner edge area of the coupling hole 16, when pulled in this state the fitting terminal 36 is removed from the insertion terminal 20. . Thus, the plug 30 can be separated from the electrical appliance 10.

As such, when the plug 30 is separated from the electrical appliance 10, the electrical appliance 10 may be stacked as illustrated in FIG. 3. In addition, since the plug 30 is removed from the electrical appliance 10, the volume is smaller, thereby making it easier to carry.

4 shows a second preferred embodiment according to the present invention.

As shown in FIG. 4, the plug device according to the second embodiment includes a locking piece 12A having a coupling / separation means formed at an edge of an inner circumferential surface of the coupling hole 16 and an outer circumferential surface of the other side of the plug 30. It is the same as the first embodiment except that the locking groove 39 is formed.

According to the second embodiment, since the engaging piece 12A is formed at the edge of the inner peripheral surface of the coupling hole 16 of the electrical appliance 10, and the engaging groove 39 is formed at the other outer peripheral surface of the plug 30, the fitting terminal ( When the 36 is fitted to the insertion terminal 20, the locking piece 12A is inserted into the locking groove 39 and is caught, thus, the coupling state between the plug 30 and the electrical appliance 10 can be maintained. It is.

5 shows a third preferred embodiment of the present invention.

As shown in FIG. 5, the coupling / separation means includes a locking jaw 22 formed at the insertion terminal 20 and a locking groove 36A for the terminal formed at the fitting terminal 36.

That is, the coupling / separation means is formed in the insertion terminal 20 and the fitting terminal 36.

As such, at least one hooking jaw 22 is formed on the inner circumferential surface of the insertion terminal 20, and at least one hooking groove 36A for the terminal is formed on the outer circumferential surface of the fitting terminal 36, whereby the fitting terminal is formed. When the 36 is inserted into the insertion terminal 20, the locking jaw 22 is caught by the terminal locking groove 36A, and the fitting terminal 36 is coupled to the insertion terminal 20, thus, the plug 30 ) May be coupled to the electrical appliance 10.

6 shows a fourth preferred embodiment of the present invention.

In the plug device according to the fourth embodiment, the fitting terminal 36B is formed in the PC 14 of the electrical appliance 10, and the insertion terminal 21 is formed in the space 34 of the plug 30. Is the same as the first embodiment.

Plug device of the electrical appliance according to the present invention is that the plug is selectively coupled / disconnected to the insertion terminal formed in the electrical appliance, by being able to separate the plug from the electrical appliance, as well as easy to carry and transport the electrical appliance, The effect of laminating and storing or transporting is provided, and the plug is not protruded, thus making the packaging easier and the volume of the packaging is small.

While the invention has been shown and described with respect to specific preferred embodiments thereof, the invention is not limited to the embodiments described above, and is typically used in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge of the world can make many variations.

Claims (6)

A pair of insertion terminals installed in the PCB installed inside the electrical appliance so as to face a coupling hole formed in the housing of the electrical appliance; And A pair of connection terminals coupled to the outlet is provided on one side, and a space portion is formed inside the other side, and is electrically connected to the connection terminal and is formed to be fitted to the insertion terminal so as to protrude out of the space portion. And a plug having a pair of fitting terminals, the plug being configured separately from the electrical appliance. And the plug is coupled to the electrical appliance so that the fitting terminal and the insertion terminal are connected by a coupling / separating means, and the plug device of the electrical appliance is separated from the electrical appliance so that the insertion terminal and the insertion terminal are spaced apart. The method according to claim 1, The coupling / separating means, Plug portion of the electrical appliance is characterized in that the inlet edge of the space portion is made of a locking projection to selectively hold the coupling state of the plug and the electrical appliance is caught by the inner edge of the coupling hole when the fitting terminal is fitted to the insertion terminal . The method according to claim 1, The coupling / separating means, A locking piece formed at an edge of the inner circumferential surface of the coupling hole; And A locking groove formed on the other outer circumferential surface of the plug and formed so that the locking piece is inserted and caught when the fitting terminal is fitted to the insertion terminal to selectively maintain a coupling state between the plug and the electrical appliance. Plug devices for electrical appliances. The method according to claim 1, The coupling / separating means, At least one internal locking groove formed on an inner circumferential surface of the insertion terminal; And And at least one locking jaw formed on an outer circumferential surface of the fitting terminal when the fitting terminal is inserted into the insertion terminal so as to be caught by the internal locking groove. A pair of fitting terminals which are installed to be connected to a circuit in a PCB installed inside the electrical appliance without protruding to the outside of the coupling hole formed in the housing of the electrical appliance; And A pair of connection terminals coupled to an outlet is provided at one side, and a space portion is formed inside the other side, and is electrically connected to the connection terminal and is formed to be fitted with the fitting terminal so as not to protrude to the space portion. And a plug having a pair of insertion terminals configured to be separate from the electrical appliance. And the plug is coupled to the electrical appliance such that the fitting terminal and the insertion terminal are connected by a coupling / separating means. The method according to claim 5, The coupling / separating means, An electrical appliance comprising an engaging protrusion formed at an inlet edge of the space to selectively engage the inner edge of the coupling hole when the fitting terminal is fitted to the insertion terminal to selectively maintain the coupling state of the plug and the electrical appliance Plug device.

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