TWI505314B - Fuse structure - Google Patents

Description

Fuse structure

The present invention is a fuse structure which provides a structure which can avoid the occurrence of an arc phenomenon and whose electrodes can be electrically conducted.

A conventional fuse has an upper layer, two electrodes, a fuse, and a lower layer, and each of the electrodes has a top sheet body, a side sheet body and a back sheet body joined by electric welding. The upper layer and the lower layer are superposed on each other, the two electrodes are respectively disposed at opposite ends of the lower layer, the fuse is electrically connected to the two electrodes, and the fuse is sandwiched between the upper layer and the lower layer.

The existing fuse structure as described above has the following disadvantages:

First, because the upper layer and the lower layer are solid bodies, the fuse cannot be completely disconnected when it is blown, and there is an arc phenomenon, which causes danger in use.

Second, the top sheet body, the side sheet body and the film system are connected by welding, so that the three are prone to breakage during use, and the electrode is in a state of poor contact, and there is inconvenience in use.

In view of the above disadvantages, the present invention provides a fuse structure which can avoid the occurrence of an arc phenomenon and whose electrodes are integrally formed, so that contact failure can be avoided in use.

It is an object of the present invention to provide a fuse structure having a first housing and a second housing that are coupled to each other, the first housing has a first receiving groove, and the second housing has a second receiving groove. The groove is combined with the second accommodating groove to form the accommodating chamber, and a breaking device is disposed between the first casing and the second casing, the breaking device has two electrodes and a melting portion, and each electrode has The first sheet, the side sheet and the second sheet are connected to each other, and the electrodes are integrally formed. The two electrodes are respectively located at two ends of the second casing, and the fuse portion is located in the accommodating chamber.

As described above, the present invention achieves the following effects:

1. The accommodating chamber can completely disconnect the fuse to avoid the occurrence of arcing and ensure the safety during use.

2. When the electrode is fabricated, the soldering process is not used, and the electrode is formed by bending a single piece, so that there is no breakage or poor contact during use.

Referring to the first figure, a first embodiment of the fuse structure of the present invention has a first housing 1, a disconnecting device 2 and a second housing 3.

One side of the first housing 1 has a first receiving groove 10, and the first receiving groove 10 has two pressing columns 11 which are opposite to each other.

The breaking device 2 has a second electrode 20 and a fuse portion 21, and each electrode 20 has a first sheet body 200, a side sheet body 201 and a second sheet body 202. One side of the first sheet body 200 is connected to the side sheet. The bodies 201 are connected to each other, and a notch 203 is formed between the first piece 200 and the side piece 201. The other side of the side piece 201 is connected to the second piece 202, and the first piece 200 is connected to the first piece 200. The other side is formed with two opposite latching notches 204. The electrodes 20 are integrally formed and form a ㄈ-shaped structure. The fuses 21 are respectively connected to the sides of the first sheets 200 having the ferrules 204. .

With reference to the second to fourth figures, one side of the second housing 3 has a second receiving slot 30, and the second receiving slot 30 has two latching seats 31 opposite to each other, and each of the latching seats 31 has a The notch 32 is accommodated, and the other side of the second casing 3 has a recess 33 at each of its ends.

The breaking device 2 is disposed between the first housing 1 and the second housing 3 that are coupled to each other, and the latching notches 204 are engaged with the edges of the receiving notches 32 to set the fuse portion 21 to Between the two card holders 31, and the pressing column 11 extends into the receiving notch 32 to fix the first sheet body 200, the side sheet body 201 is attached to the end of the second housing 3, and the second sheet body 202 The first accommodating groove 10 is coupled with the second accommodating groove 30 to form an accommodating chamber A.

Referring to FIG. 5, the present invention can be disposed in an electrical product, and current can flow through the fuse portion 21 through the electrode 20 at one end of the second housing 3 to flow into the second housing 3. When the instantaneous current flowing through the electrode 20 at the other end is excessively large, the fuse portion 21 is melted. The fuse portion 21 is placed in the accommodating chamber A so that the blown fuse portion 21 is completely disconnected, thereby avoiding The generation of arc phenomena.

Further, the electrode 20 is integrally formed and bent to be divided into the first sheet body 200, the side sheet body 201, and the second sheet body 202, so that the electrode 20 is less likely to be broken or poorly contacted during use.

Referring to the sixth embodiment, the second embodiment of the fuse structure of the present invention is the same as the first embodiment in the first embodiment. In an embodiment, it is first known.

The disconnecting device 4 is disposed between the first housing 1 and the second housing 3. The disconnecting device 4 also has a second electrode 40 and a fuse portion 41. Each of the electrodes 40 also has a first body 400 and a side plate. The connection manner and structure of the 401 and the second body 402, the fuse portion 41, the first sheet body 400, the side sheet body 401 and the second sheet body 402 are the same as those of the first embodiment, except that the first sheet body 400 is There is no gap in the joint of the side panels 401.

Please refer to the seventh embodiment of the fuse structure of the present invention as shown in the seventh figure. As shown in the figure, one side of the first housing 50 has a first receiving groove, and one side of the second housing 51 has a second receiving groove 52. The second receiving groove 52 has a plurality of fixing posts 53 therein. The other side of the second casing 51 has a recess 54 at its both ends.

The breaking device 6 has a second electrode 60 and a fuse portion 61. Each electrode 60 has a first sheet body 600, a side sheet body 601 and a second sheet body 602 which are sequentially connected. The electrode 60 is formed into a ㄈ-shaped structure. The first sheet body 600, the side sheet body 601 and the second sheet body 602 are distinguished, and the first sheet body 600 has a plurality of fixing holes 603.

The breaking device 6 is disposed between the first housing 50 and the second housing 51 that are coupled to each other, and the fixing post 53 is disposed in the fixing hole 603 so that the breaking device 6 can be positioned and fixed. The first accommodating groove is coupled with the second accommodating groove 52 to form an accommodating chamber. The combination of the electrode 60 and the second housing 52 is as described in the foregoing embodiments, and therefore will not be described again.

Please refer to the fourth embodiment of the fuse structure of the present invention as shown in the eighth embodiment. As shown, one side of the first housing 70 has a first receiving groove 71, and one side of the second housing 72 has a second receiving groove 73.

The breaking device 8 has a second electrode 80 and a fuse portion 81. Each electrode 80 has a first sheet body 800, a side sheet body 801 and a second sheet body 802, a first sheet body 800, a side sheet body 801 and a second sheet body. The 802 series are connected in sequence so that the electrode 80 forms a ㄈ-shaped structure, and both ends of the fuse portion 81 are electrically connected to one surface of the two first sheets 800, and the fuse portion 81 can be a fuse.

In each of the above embodiments, the breaking device 8 is disposed between the first housing 70 and the second housing 72, and the first receiving groove 71 and the second receiving groove 73 are combined to form In the accommodating chamber, the two electrodes 80 are respectively located at two ends of the second housing 72, and the fuse portion 81 is located in the accommodating chamber.

However, the specific embodiments described above are merely used to exemplify the features and functions of the present invention, and are not intended to limit the scope of the present invention, and may be applied without departing from the spirit and scope of the present invention. Equivalent changes and modifications made to the disclosure of the present invention are still covered by the scope of the following claims.

1, 50, 70. . . First housing

10, 71. . . First accommodating slot

11. . . Pressure column

2, 4, 6, 8. . . Disconnect device

20, 40, 60, 80. . . electrode

200, 400, 600, 800. . . First piece

201, 401, 601, 801. . . Side panel

202, 402, 602, 802. . . Second sheet

203. . . gap

204. . . Card gap

21, 41, 61, 81. . . Fuse

3, 51, 72. . . Second housing

30, 52, 73. . . Second receiving slot

31. . . Card holder

32. . . Capacity gap

33, 54. . . Depression

A. . . Housing room

53. . . Fixed column

603. . . Fixed hole

The first figure is an exploded perspective view of a first embodiment of the fuse structure of the present invention.

The second drawing is another perspective exploded view of the first embodiment of the fuse structure of the present invention.

The third drawing is a perspective view of the first embodiment of the fuse structure of the present invention.

The fourth figure is a schematic cross-sectional view of a first embodiment of the fuse structure of the present invention.

Fig. 5 is a schematic cross-sectional view showing the fuse portion of the first embodiment of the fuse structure of the present invention when it is blown.

Figure 6 is a perspective exploded view of a second embodiment of the fuse structure of the present invention.

Figure 7 is a perspective exploded view of a third embodiment of the fuse structure of the present invention.

Figure 8 is a perspective exploded view of a fourth embodiment of the fuse structure of the present invention.

1. . . First housing

10. . . First accommodating slot

11. . . Pressure column

2. . . Disconnect device

20. . . electrode

200. . . First piece

201. . . Side panel

202. . . Second sheet

203. . . gap

204. . . Card gap

twenty one. . . Fuse

3. . . Second housing

30. . . Second receiving slot

31. . . Card holder

32. . . Capacity gap

33. . . Depression

Claims (5)

A fuse structure having a disconnecting device having two electrodes and a fuse portion, the two ends of the fuse portion being electrically connected to the two electrodes, and the electrodes are integrally formed, wherein the electrodes are sequentially arranged a first piece, a side piece, and a second piece, wherein a side of the first piece is connected to the fuse, and the side of the first piece has a second notch; the first receiving groove The second accommodating slot has two latching seats; the second accommodating slot has two latching seats, and each of the latching seats has a receiving recess, and the latching notch is engaged with the edge of the accommodating notch to set the fused portion Between the two card holders, and the pressing column extends into the receiving recess to fix the first body; a first housing having a first receiving groove on one side thereof; and a second housing The body has a second receiving groove on one side thereof, wherein the breaking device is disposed between the first housing and the second housing that are coupled to each other, the first receiving groove and the second receiving portion The slots are combined to form a receiving chamber, and the two electrode systems are respectively located at two ends of the second housing, and the fuse portion is tied The accommodating chamber. The fuse structure of claim 1, wherein a gap is formed between the junction of the first sheet and the side panel. The fuse structure of claim 1, wherein the other side of the second housing has a recess at the two ends thereof, and the side panel system is attached to the end of the second housing. The second sheet system is attached to the depression. A fuse structure having a disconnecting device having two electrodes and a fuse portion, the two ends of the fuse portion being electrically connected to the two electrodes, and the electrodes are integrally formed, wherein the electrodes are sequentially arranged a first piece, a side piece and a second piece, wherein a side of the first piece is connected to the fuse, the first piece has a plurality of fixing holes; and the second receiving groove has a plurality of holes a fixing post, each fixing post is disposed in each fixing hole to enable the breaking device to be positioned and fixed between the first housing and the second housing; a first housing having one side thereof a first receiving groove; and a second housing having a second receiving groove on one side thereof; wherein the breaking device is disposed between the first housing and the second housing The first accommodating groove is combined with the second accommodating groove to form an accommodating chamber. The two electrodes are respectively located at two ends of the second casing, and the fuse portion is located in the accommodating chamber. The fuse structure of claim 4, wherein the other side of the second casing has a recess at the two ends thereof, and the side panel system is attached to the end of the second casing, The second sheet system is attached to the depression.