KR100575786B1 - Apparatus for connecting electricity sources - Google Patents

Abstract

The present invention relates to a power connection device, comprising: a rotating member rotatably installed inside the main body; A plug fixed to the pivot member and drawn out of the main body or inserted into the main body according to a rotation direction of the pivot member; A push member that is elastically slidably installed over the inside and the outside of the main body; A rotating member rotating unit for repeatedly rotating the rotating member forward or reversely by the push member; And a plug power connection member installed inside the main body to electrically connect the printed circuit board and the plug to each other.

Power connector, plug, rotating member, push member

Description

Power connector {APPARATUS FOR CONNECTING ELECTRICITY SOURCES}

1 is a perspective view showing a power connector having a conventional fixed plug.

Figure 2 is a perspective view showing a power connector having a conventional folding plug.

Figure 3 is a longitudinal sectional view showing a power connector having a folding plug of Figure 2;

Figure 4 shows a power connection device according to the invention, a perspective view showing the plug side of the lower case.

Figure 5 is a perspective view of the upper case, showing a power connector according to the present invention.

6 is a cross-sectional view taken along line II of FIG. 5, showing a state in which a plug and a leaf spring are connected, and a coupling structure of the first case and the second case;

FIG. 7 is a cross-sectional view taken along the line I-I of FIG. 5, showing a state where the plug and the leaf spring are not connected. FIG.

Figure 8 is an exploded perspective view showing a power connection device according to the invention.

9 is a perspective view showing a power connection device according to the present invention, a state in which the plug is drawn out of the main body.

Figure 10 is a perspective view showing a power connection device according to the invention, the plug is inserted into the body.

FIG. 11 is a cross-sectional view taken along the line II-II of FIG. 10, showing a state where the hook is caught by the second fixing jaw.

Figure 12 is a longitudinal sectional view showing a power connection device according to the present invention, the hook is caught on the first fixing jaw.

Fig. 13 is a sectional view taken along the line III-III of Fig. 10, showing a longitudinal state in which the plug is inserted into the main body.

Figure 14 is a longitudinal sectional view showing the power connection device according to the present invention, the operation that the plug is drawn out of the main body.

Figure 15 is a longitudinal sectional view showing the power connection device according to the present invention, the plug is guided to the guide rib.

Figure 16 shows a power connector according to the present invention, a longitudinal cross-sectional view showing the operation of the plug is inserted into the body.

***** Reference numerals for main parts *****

100: power connector 110: main body

111: first case 111a: coupling jaw

112a: engaging protrusion 112: second case

113: support part S: space part

115: printed circuit board 116: power connection

117: first plate spring 117a: second plate spring

118: plug receiving portion 118a: guide slot

118b: Slot 119: Supporting portion

121: shaft 120: rotating member

130: Plug 140: Push member

141: push button 144: spring

145: fitting part 147: mounting part

147a: Axis of the fussian rock 151a: first fixed jaw

151b: second fixing jaw 152: hook

161: first jammed jaw 162: second jammed jaw

163: Fuchsia cancer 163a: home

164: Guide rib

The present invention relates to a power connector, and more particularly, to a power connector capable of automatically withdrawing or inserting a plug out of the body of the power connector or into the body.

In general, power connectors such as adapters that convert high voltages to low voltages or chargers for cordless telephones connect small cassettes, car phones and cordless telephones to the power source.

The end of such a power connector is provided with a plug that can be plugged into a power source, commonly known as an outlet, and the power connector can be divided into a fixed type and a folding type (foldable type), depending on whether the plug can be folded.

In a power connector with a fixed plug, the plug is fixed in one direction, whereas in a power connector with a folding plug, the plug is rotated to extend (draw) or to be folded into the body. have.

1 is a perspective view showing a power connection device having a conventional fixed plug.

As shown in the drawing, the power connector 10 having a fixed plug is fixed to the main body 11 formed by combining two cases 11a and 11b in one direction on the front surface of the main body 11. A plug 12, a circuit board (not shown) provided inside the main body 11 to convert a high voltage applied from the plug 12 into a low voltage, and electrically connected to the circuit board. It consists of an output terminal 14 which is drawn out of (11).

Figure 2 is a perspective view showing a power connector having a conventional folding plug, Figure 3 is a longitudinal cross-sectional view showing a power connector having a folding plug of FIG.

As shown in the drawing, the power connector 20 having a folding plug includes a main body 21 formed by combining two cases 21a and 21b and a hinge portion 22a on the front surface of the main body 21. A plug 22 rotatably installed around the circuit board, a circuit board 23 provided inside the main body 21 to convert a high voltage supplied from the plug 22 into a low voltage, and the circuit board. It is composed of an output terminal 24 which is electrically connected to the 23 and is drawn out of the main body 21. In addition, a plug receiving groove 25 is formed in a case 21b of the main body 21 so as to accommodate the plug 22 when the plug 22 is folded. Notation C shows an outlet.

However, in the power connector 10 having the conventional fixed plug shown in FIG. 1 described above, since the plug cannot be folded or unfolded, it is very inconvenient to carry or store the power connector by increasing the volume of the power connector itself.

In the power connector 20 having the conventional folding plug shown in FIGS. 2 and 3 described above, the user has to manually insert the plug into or pull out of the main body, which is very inconvenient to use.

In addition, when the hinge portion of the plug is loose due to prolonged use, the plug is randomly rotated, which causes a great inconvenience for the user when the plug is inserted into the outlet.

Accordingly, an object of the present invention is that whenever a user presses the push button installed on one side of the main body once in a one-touch manner, the plug may be automatically drawn out of the main body of the power connector or inserted into the main body. To provide a very convenient power connection.

In order to achieve the above object, the power connection device of the present invention and the body to form a space therein; A rotating member rotatably installed inside the main body; A plug fixed to the pivot member and drawn out of the main body or inserted into the main body according to a rotation direction of the pivot member; A push member that is elastically slidably installed over the inside and the outside of the main body; Rotating member rotating means for repeatedly rotating or rotating the rotating member by the push member; A plug power connection member installed inside the main body to electrically connect the printed circuit board and the plug to each other; And plug position fixing means for selectively fixing the position of the plug drawn out of the main body.

The plug position fixing means includes a fixing jaw formed on the outer circumferential surface of the pivot member; It is composed of a hook formed on the end of the push member to be selectively hooked to the fixing jaw.

The rotating member rotating means includes a first catching jaw formed on one side of the outer circumferential surface of the rotating member; A second catching jaw formed on the other side of the outer circumferential surface of the pivot member; Located between the pivot member and the push member, it is rotatably installed in the middle of the push member to selectively rotate the pivot member forward or reverse by pressing the first catching jaw or the second catching jaw A push arm.

Hereinafter, an embodiment of a power connection device according to the present invention with reference to the accompanying drawings.

Figure 4 shows a power connector according to the invention, a perspective view showing the plug side of the lower case, Figure 5 shows a power connector according to the invention, a perspective view showing the upper case side, Figure 6 5 is a cross-sectional view taken along the line I-I of FIG. 5, showing a state in which the plug and the plate spring are connected and a coupling structure of the first case and the second case, and FIG. 7 is a cross-sectional view taken along the line I-I of FIG. Figure 8 is a view showing a non-connected state, Figure 8 is an exploded perspective view showing a power connector according to the invention, Figure 9 is a power connector according to the present invention, showing a state in which the plug is drawn out of the main body 10 is a perspective view showing a power connection device according to the present invention, a perspective view showing a state in which the plug is inserted into the main body.

As shown therein, the power connection device 100 of the present invention includes a main body 110 forming a space S therein; A rotating member 120 rotatably installed inside the main body 110; A plug 130 fixed to the pivot member 120 and drawn out of the main body 110 or inserted into the main body 110 according to a rotation direction of the pivot member 120; A push member 140 that is elastically slidably installed over the inside and the outside of the main body 110; Rotating member rotating means 160 for repeatedly rotating the rotating member 120 forward or reverse by the push member 140.

6 and 7, the main body 110 includes a first case 111 and a second case 112 that is coupled to the first case 111 to form a space S therein. It is composed.

A coupling jaw 112a is formed at an end of the second case 112 so that the first case 111 and the second case 112 can be coupled to each other. A coupling protrusion 111a is formed at the end of the case 111.

A printed circuit board 115 having a plurality of circuit components (not shown) mounted therein is installed in the main body 110, and a power supply unit 116 of a metal material formed on an upper surface of the printed circuit board 115 is formed. The first leaf spring 117 is connected to the end of the plug 130 is configured to elastically contact the second leaf spring (117a). In this case, the first leaf spring 117 and the second leaf spring 117a are always in contact with each other, and the second leaf spring 117a is connected to the plug only when the plug 130 is drawn out of the main body 110. The end of the 130 is contacted (where the leaf spring is adjacent).

That is, the first leaf spring 117 and the second leaf spring (117a) are both fitted to the support portion 113 formed in the interior of the first case 111, the printed circuit board 115 and the plug It serves to electrically connect the 130 with each other.

When the plug 130 is inserted into the main body 110, a plug receiving part 118 is formed in the second case 112 to accommodate the plug 130.

The plug receiving portion 118 has a slot 118b (see FIG. 4) into which the plug 130 is inserted at an outer side of the second case 112 and is formed long in the longitudinal direction of the plug receiving portion 118. The inside of the second case 112 is closed.

8 to 10, the support part 119 is formed at a position adjacent to the plug receiving part 118.

The plug receiving portion 118 and the support 119 is preferably formed integrally with the second case 112 during the manufacturing process.

The support part 119 is supported by the shaft 121 of the rotating member 120 in the form of a roll, the rotating member 120 is rotated forward (clockwise in the drawing) or reverse rotation (about the shaft 121) It is configured to be rotated counterclockwise in the drawing).

Plug 130 is fixed to both sides of the rotation member 120 by a fixing pin (P). The plug 130 is rotated together with the pivot member 120 when the pivot member 120 is rotated to be inserted into the plug receiver 118 of the second case 112 or to be pulled out of the plug receiver 118. It is configured to be.

At the end of the push member 140, a contact plate 141a contacting the inner surface of the main body 110 and a push button 141 protruding outside the main body 110 are formed.

The contact plate 141a serves to prevent the push member 140 itself from falling out of the second case 112 through the hole H. And the push button 141 serves to slide the entire push member 140.

The mounting hole 146 is formed in the middle of the push member 140, the spring hook portion 142 is integrally formed on one side of the mounting hole 146 and the push on the other side of the mounting hole 146. A stopper 143 made of a member separate from the member 140 is fitted. And a spring 144 is fitted to the spring hanger 142.

The push member 140 is configured to slide in the push direction (the longitudinal direction of the body), while the stopper 143 is fixed to the jaw (112a) of the bottom surface of the second case (112) And in the middle is formed a hole 143a in which the spring hook portion 142 is inserted.

Therefore, when the user presses the pushbutton 141 and slides the push member 140 in the push direction, the spring hook 142 is inserted into the hole 143a and the spring 144 is compressed. As such, the push member 140 is always returned to its original position after being pushed elastically by the compression (or extension) of the spring 144.

Guide slot 118a is formed in the longitudinal direction of the inside of the main body 110, and more specifically, the plug receiving portion 118, and a fitting portion is formed in the push member 140 so as to fit in the guide slot 118a. 145 is formed.

Since the fitting portion 145 of the push member 140 is guided by the guide slot 118a, the push member 140 can be slidably moved in the push direction.

In order to maintain the plug 130 in an extended state (expanded state), as shown in FIG. 11, the first fixing jaw 151a and the second fixing part are spaced apart from both parts of the outer circumferential surface of the pivot member 120. A fixing jaw 151b is formed, and a hook 152 is formed at an end of the push member 140 to be selectively caught by the first fixing jaw 151a and the second fixing jaw 151b.

Since the hook 152 is integrally formed at the end of the push member 140, the hook member 152 moves in the same direction as the push member 140 when the push member 140 slides.

Referring to FIG. 11, in the state where the plug 130 is inserted into the plug receiving portion 118 of the second case 112, the hook 152 blocks the second fixing jaw 151b to rotate the rotation member 120. Prevention of rotation).

12, the plug 130 is drawn out of the plug receiving portion 118 of the second case 112 of the main body 110, that is, the plug 130 of the second case 112 is removed. In the state of pulling out the plug receiving portion 118, the hook 152 prevents the rotation of the rotation member 120 by blocking the first fixing jaw 151a.

However, the hook 152 is separated from the first fixing jaw 151a and the second fixing jaw 151b in the process of pressing the pushbutton 141. That is, the push button 141 is inserted into the plug receiving portion 118 of the second case 112 or the plug 130 is pulled out of the plug receiving portion 118 of the second case 112. In the pressing process, the push member 140 slides and the hook 152 formed at the end of the push member 140 is separated from the first fixing jaw 151a or the second fixing jaw 151b. Rotating member 120, the plug 130 is fixed to the rotating member 120 is to be able to rotate.

In other words, when the plug 130 is taken out of the plug receiving portion 118 of the second case 112 or the plug 130 is inserted into the plug receiving portion 118 of the second case 112, the hook Although the plug 130 is fixed without being rotated because the 152 is caught on the first fixing jaw 151a or the second fixing jaw 151b, the pushbutton 141 is used to change the position of the plug 130. In the case of pressing), the hook 152 is separated from the first fixing jaw 151a or the second fixing jaw 151b to enable the rotation of the plug 130.

Hereinafter, a configuration of the rotating member rotating means for rotating the rotating member 120 forward to draw the plug 130 out of the case 110 or reversely rotating the rotating member 120 to insert the plug 130 into the case 130. Let's explain.

The rotating member rotating means includes a first catching jaw 161 formed at one side of the outer circumferential surface of the rotating member 120; A second catching jaw 162 formed on the other side of the outer circumferential surface of the pivot member 120; Located between the rotating member 120 and the push member 140, and selectively press the first locking jaw 161 or the second locking jaw 162 to rotate the rotating member 120 forward or reverse And a push arm 163 rotatably installed in the middle of the push member 140 so as to rotate.

Guide ribs 164 for guiding the end of the push arm 163 to the first catching jaw 161 or the second catching jaw 162 between the first catching jaw 161 and the second catching jaw 162. ) Is formed.

The guide rib 164 is formed in an arc shape in the radial direction of the rotation member 120. A groove 163a is formed in the push arm 163 to prevent interference with the guide rib 164.

The push arm 163 is rotatably supported by the mounting portion 147 formed in the middle of the push member 140 in the shaft 147a, and is elastically supported by the tension spring T.

Hereinafter, the operation of the power connector of the present invention will be described with reference to FIGS. 11 to 16.

FIG. 11 is a cross-sectional view taken along line II-II of FIG. 10, illustrating a state in which the hook is caught by the second fixing jaw, and FIG. 12 illustrates a power connection device according to the present invention, in which the hook is caught by the first fixing jaw. 13 is a cross-sectional view taken along line III-III of FIG. 10, which is a longitudinal cross-sectional view showing an initial state in which a plug is inserted into a main body, and FIG. 14 shows a power connection device according to the present invention. Figure 15 is a longitudinal cross-sectional view showing the operation drawn out of the main body, Figure 15 shows a power connection device according to the invention, is a longitudinal cross-sectional view showing the operation of the plug is guided to the guide rib, Figure 16 shows the operation of the plug is inserted into the body Longitudinal cross-sectional view shown.

As shown in the drawing, in the case of using the power connector 100, the plug 130 is drawn out of the main body 110, and then the plug 130 is plugged into a power source (not shown) such as an outlet. When the power connection device 100 is not used, the plug 130 may be inserted into the main body 110. Inserting the plug 130 into the main body 110 can reduce the volume of the entire power connector, so that the power connector 100 can be more easily carried and stored.

Hereinafter, the operation of drawing out the plug 130 from the plug receiving portion 118 and the operation of inserting the plug 130 into the plug receiving portion 118 will be described.

First, an operation of drawing the plug 130 out of the plug receiving portion 118 will be described.

11 and 13 show a state in which the plug is inserted into the plug receiving portion. In this state, when the pushbutton 141 shown in FIG. 10 is pressed, the entire push member 140 is moved to the left in the drawing.

In this case, as shown by the broken line of FIG. 11, the hook 152 formed at the end of the push member 140 is separated from the second fixing jaw 151b formed on the outer circumferential surface of the pivot member 120, thereby allowing the pivot member 120 to be rotated. ) Can be rotated.

At the same time, the push arm 163 located on the upper surface of the push member 140 is also moved to the left in the drawing by the push member 140.

After that, the end of the push arm 163 slides downward while being in contact with the lower end of the guide rib 164, as shown by a broken line in FIG. 13, and as shown in FIG. Push (press) the first catching jaw 161 of the. At this time, the push arm 163 is slightly rotated counterclockwise in the drawing.

By the pressing of the push arm 163, the pivot member 120 is rotated 90 degrees in the clockwise direction about the shaft 121. At this time, the guide rib 164 is not interfered with the push arm 163 by the groove 163a of the push arm 163 when the pivot member 120 is rotated.

Since the plug 130 is fixed to both sides of the pivot member 120 by a fixing pin (see FIG. 10), when the pivot member 120 is rotated, the plug 130 that is in the plug receiving portion 118 is rotated. ) Is also drawn out of the plug receiving portion 118 while being rotated by 90 °.

When the user releases his / her hand from the push button 141 held down in this state, as shown in FIG. 12 by the elastic restoring force of the spring 144, the push member 140 and the push member 140 are located on the upper side. The installed push arm 163 returns to its original position (returns). At this time, the push member 140 is accurately positioned at its own position by the contact plate 141a.

At the same time, the hook 152 of the push member 140 is caught by the first fixing jaw 151a of the pivot member 120, thereby preventing rotation of the pivot member 120, thereby being fixed to the pivot member 120. The position of the plug 130 is also fixed.

Meanwhile, a process of inserting the plug 130 into the plug receiving portion 118 will be described.

12 shows a state in which the plug is pulled out of the plug receiving portion. In this state, when the user presses the pushbutton 141 again, the entire push member 140 is moved to the left in the drawing by the same operation as described above. At this time, the hook 152 formed at the end of the push member 140 is separated from the fixing jaw 151a formed on the outer circumferential surface of the pivot member 120, and at the same time, the push is located on the upper surface of the push member 140. Arm 163 is also moved to the left in the drawing by the push member 140.

At this time, the end of the push arm 163 slides in contact with the upper end of the guide rib 164, as shown in FIG. 15, and then pushes (presses) the second catching jaw 162 as shown in FIG. .

By the pressing of the push arm 163, the pivot member 120 is rotated 90 degrees counterclockwise in the drawing about the axis 121. The guide rib 164 does not interfere (contact) with the push arm 163 by the groove 163a of the push arm 163 when the pivot member 120 is rotated.

Since the plug 130 is fixed to both sides of the pivot member 120, the plug 130 is rotated by 90 ° by 90 ° rotation of the pivot member 120, and the plug 130 is inserted into the plug receiving portion 118. do.

In this state, when the user releases his hand from the push button 141 that is being pressed, the push member 140 and the push member 140 are positioned on the upper side due to the elastic restoring force of the spring 144 by the same operation as described above. The push arm 163 is returned (returned) to its original position, as shown by the solid lines in FIGS. 11 and 13. At the same time, since the hook 152 of the push member 140 is caught by the fixing jaw 151b of the pivot member 120, the pivot of the pivot member 120 is prevented and thus the plug fixed to the pivot member 120 ( The position of 130 is also fixed.

As described above, according to the present invention, whenever the user presses the push button 141 installed on one side of the main body 110 once in a one-touch manner, the plug 130 is conveniently drawn out from the main body 110 or the main body. It can be inserted into the 110, even with a long time use of the pull out and insertion operation is smooth and its use is very convenient.

Claims (18)

A main body; A rotating member rotatably installed inside the main body; A plug fixed to the pivot member and drawn out of the main body or inserted into the main body according to a rotation direction of the pivot member; A push member that is elastically slidably installed over the inside and the outside of the main body; Rotating member rotating means for repeatedly rotating or rotating the rotating member by the push member; And a plug power connection member installed inside the main body to electrically connect the printed circuit board and the plug to each other. The power supply connecting device according to claim 1, further comprising plug position fixing means for selectively fixing the position of the plug drawn out of the main body. The method of claim 2, wherein the plug position fixing means A fixed jaw formed on an outer circumferential surface of the pivot member; And a hook formed at an end of the push member to be selectively caught by the fixing jaw. The power connector of claim 3, wherein the fixing jaw is formed on both sides of an outer circumferential surface of the pivot member. The power connector of claim 1, wherein the rotation member is formed in a roll shape. The power connector of claim 1, wherein a plug receiving portion for receiving the plug is formed inside the main body when the plug is inserted into the main body. The power connector of claim 6, wherein the plug receiving portion has a slot formed outside the main body and the inside of the main body is closed. The power connector of claim 1, wherein a support part is formed inside the main body, and the support part is rotatably supported by a shaft of the rotation member. The power connection device of claim 1, wherein a guide slot is formed in the main body in a direction in which the push member moves, and a fitting part is formed in the push member to be fitted into the guide slot. The power supply of claim 1, wherein a spring is installed in the middle of the push member to return the push member to its original position, and a push button protruding out of the main body is formed at an end of the push member. Connector. The method of claim 1, wherein the rotating member rotating means A first catching jaw formed on one side of an outer circumferential surface of the pivot member; A second catching jaw formed on the other side of the outer circumferential surface of the pivot member; Located between the pivot member and the push member, it is rotatably installed in the middle of the push member to selectively rotate the pivot member forward or reverse by pressing the first catching jaw or the second catching jaw Push arm; Power connector characterized in that consisting of. 12. The power connector of claim 11, wherein a guide rib is formed between the first catching jaw and the second catching jaw to guide the end of the push arm to the first catching jaw or the second catching jaw. The power supply connecting device according to claim 12, wherein the guide rib is formed in an arc shape in the radial direction of the pivot member. 14. The power connector of claim 13, wherein a groove is formed in the push arm to prevent interference with the guide rib. The method of claim 1, wherein the body is And a first case and a second case coupled to the first case to form a space therein. 16. The method of claim 15, wherein the coupling jaw is formed at the end of the first case to couple the first case and the second case, and the coupling protrusion is formed at the end of the second case so as to be caught by the coupling jaw. Power connector, characterized in that. The method of claim 1, wherein the plug connection member is a first leaf spring connected to the power connection of the printed circuit board, and the second leaf spring is always in contact with the first leaf spring and selectively connected to the end of the plug Power connector, characterized in that configured. 18. The power connector of claim 17, wherein the first leaf spring and the second leaf spring are fitted to a support formed on an inner side of the main body.

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