阅读说明：本技术 具有过载保护功能的智能插线板 (Intelligent patch board with overload protection function ) 是由 沈国荣 于 2020-12-09 设计创作，主要内容包括：本发明揭示一种具有过载保护功能的智能插线板,包括底座、上盖和电源线；底座上固定有若干对由左向右分布的导电插座；底座的上方设置有转动辊,转动辊的下端一体成型有转轴；位于转动辊下方的底座的底面上设置有凹槽,位于凹槽上方的底座中设置有轴孔；转动辊的外部套装有“Π”字形的支架；转动辊的边缘处设置有圆形状的插槽,插槽的侧壁上设置有槽口,插槽中插装有熔断器,转动辊的左侧设置有两个呈上下方向分布的弹性导电针；轴孔的右侧且位于凹槽上方的底座中设置有通孔,插槽的内底部与熔断器之前嵌装有第二弹簧；本发明通过在插线板内部安装熔断器后,当插线板出现过载现象时,熔断器能够自动熔断,消除了安全隐患。(The invention discloses an intelligent patch board with an overload protection function, which comprises a base, an upper cover and a power line, wherein the base is provided with a first end and a second end; a plurality of pairs of conductive sockets distributed from left to right are fixed on the base; a rotating roller is arranged above the base, and a rotating shaft is integrally formed at the lower end of the rotating roller; a groove is formed in the bottom surface of the base below the rotating roller, and a shaft hole is formed in the base above the groove; the outside of the rotating roller is sleeved with an n-shaped bracket; a circular slot is formed in the edge of the rotating roller, a notch is formed in the side wall of the slot, a fuse is inserted into the slot, and two elastic conductive needles which are distributed in the vertical direction are arranged on the left side of the rotating roller; a through hole is formed in the base on the right side of the shaft hole and above the groove, and a second spring is embedded in front of the inner bottom of the slot and the fuse; according to the invention, after the fuse is arranged in the patch board, when the patch board is overloaded, the fuse can be automatically fused, so that potential safety hazards are eliminated.)

1. An intelligent patch board with an overload protection function comprises a base (1), an upper cover (2) and a power line (3), wherein the upper cover (2) is fixed on the base (1), the power line (3) penetrates between the upper cover (2) and the base (1), and the power line (3) is tightly pressed through the upper cover (2) and the base (1); a plurality of pairs of conductive sockets (4) distributed from left to right are fixed on the base (1), jacks (21) for conductive sheets in conductive plugs in electrical appliances to penetrate are formed in the upper cover (2) above each conductive socket (4), and each conductive socket (4) is fixed on the base (1) through first bolts (41) penetrating through the bottoms of the conductive sockets (4); the method is characterized in that: a rotating roller (5) is arranged above the base (1), a rotating shaft (51) is integrally formed at the lower end of the rotating roller (5), the rotating shaft (51) and the rotating roller (5) are coaxially arranged, and a lug boss (52) in a regular hexagon shape is integrally formed at the lower end of the rotating shaft (51); a groove (11) is formed in the bottom surface of the base (1) below the rotating roller (5), a cover plate (12) is arranged in the groove (11), the cover plate (12) is fixed with the base (1) through two second bolts (13) which are arranged in bilateral symmetry, a shaft hole (14) for inserting and rotating a rotating shaft (51) is formed in the base (1) above the groove (11), the rotating shaft (51) is inserted into the shaft hole (14), and the total length of the rotating shaft (51) and the boss (52) is equal to the length of the shaft hole (14); the outer portion of the rotating roller (5) is sleeved with an n-shaped support (6), two ends of the support (6) are fixed to the upper end face of the base (1), a blind hole (53) is formed in the upper end of the rotating roller (5), the blind hole (53) and the rotating roller (5) are coaxially arranged, a limiting column (61) which is partially inserted into the blind hole (53) is integrally formed in the inner bottom of the support (6), the rotating roller (5) is rotatably connected with the limiting column (61), a first spring (62) is sleeved on the outer portion of the limiting column (61), and two ends of the first spring (62) are abutted against the rotating roller (5) and the support (6) respectively; the edge of the rotating roller (5) is provided with a circular slot (54), the slot (54) extends along the axial direction of the rotating roller (5), a notch (55) is formed in the side wall of the slot (54), the width of the notch (55) is smaller than the diameter of the slot (54), a fuse (7) is inserted into the slot (54), after the fuse (7) is inserted into the slot (54), the outer wall of the fuse (7) is attached to the inner wall of the slot (54), the left side of the rotating roller (5) is provided with two elastic conductive needles (8) which are distributed in the vertical direction, when the notch (55) of the rotating roller (5) rotates to the left state, the elastic ends of the two elastic conductive needles (8) are respectively used for abutting against the two conductive ends of the fuse (7), and a support plate (15) is integrally formed on the upper end face of the base (1), the two elastic conductive pins (8) are embedded in the supporting plate (15); a through hole (16) is formed in the base (1) on the right side of the shaft hole (14) and above the groove (11), when the notch (55) of the rotating roller (5) rotates to the right state, the through hole (16) is used for allowing the fuse (7) to slide in, a second spring (56) is embedded in front of the inner bottom of the slot (54) and the fuse (7), when the notch (55) of the rotating roller (5) rotates to the right state, the second spring (56) is used for jacking the fuse (7) into the through hole (16), and the outer wall of the second spring (56) is attached to the inner wall of the slot (54); the elastic conductive needle (8) positioned at the upper part is electrically connected with a phase line (31) in the power line (3), the elastic conductive needle (8) positioned at the lower part is electrically connected with one conductive socket (4) in each pair of conductive sockets (4) through a wire (81), and the other conductive socket (4) in each pair of conductive sockets (4) is electrically connected with a zero line (32) in the power line (3); and a circumferential positioning structure is arranged between the rotating roller (5) and the base (1).

2. The intelligent patch board with the overload protection function according to claim 1, wherein the circumferential positioning structure comprises two dome-shaped protrusions (57) integrally formed on the lower end face of the rotating roller (5), the two protrusions (57) are respectively located on the front side and the rear side of the rotating shaft (51), the two protrusions (57) are symmetrically arranged in the front and rear direction, and the upper end face of the base (1) is provided with a caulking groove (17) respectively used for being embedded with one protrusion (57).

3. The intelligent patch board with the overload protection function according to claim 1, further comprising a disassembling and assembling tool for disassembling and assembling a fuse, wherein the disassembling and assembling tool comprises a rotating handle (9) and a positioning plate (10), one end of the rotating handle (9) facing the positioning plate (10) is integrally formed with a coaxially arranged rotating column (91), a round hole (101) is formed in the positioning plate (10), the rotating column (91) penetrates through the round hole (101) and is rotatably connected with the round hole (101), the round hole (101) far away from one end of the rotating handle (9) is provided with an outward-expanding expansion part (102), a clamp spring (103) is arranged in the expansion part (102), the clamp spring (103) is in matched clamping connection with the rotating column (91) in the expansion part (102), and the clamp spring (103) is attached to the bottom of the expansion part (102), rotating handle (9) pastes with locating plate (10) mutually, the one end that rotating handle (9) were kept away from in rotating post (91) is arranged in inserting shaft hole (14), the one end that rotating handle (9) were kept away from in rotating post (91) is provided with counter bore (92) that are used for positive hexagonal shape that boss (52) cooperation was pegged graft, integrated into one piece has bolt (104) on the terminal surface of rotating handle (9) one side was kept away from in locating plate (10), when rotating post (91) and inserting shaft hole (14), bolt (104) are arranged in inserting through-hole (16), the length of bolt (104) is the same with the length of through-hole (16).

4. The intelligent patch board with the overload protection function according to claim 3, wherein a first annular chamfer surface (93) used for being matched with the inner peripheral wall of the shaft hole (14) to guide the rotating column (91) to be inserted into the shaft hole (14) is arranged on the outer peripheral wall of one end, far away from the rotating handle (9), of the rotating column (91).

5. The intelligent patch board with the overload protection function according to claim 3, wherein a second annular chamfered surface (105) used for being matched and guided with the inner peripheral wall of the through hole (16) to facilitate the insertion of the plug pin (104) into the through hole (16) is arranged on the outer peripheral wall of one end of the plug pin (104) far away from the positioning plate (10).

6. The intelligent patch board with the overload protection function according to claim 1, wherein the power line (3) on the inner side of the upper cover (2) is further pressed on the base (1) through a wire pressing buckle (33), and two ends of the wire pressing buckle (33) are fixed with the upper end face of the base (1) through screws.

Technical Field

The invention relates to the technical field of electrical connection devices, in particular to an intelligent patch board with an overload protection function.

Background

The wiring board is the electrical connection device who is used for expanding socket interface commonly used, and the wiring board that uses on the market at present does not all possess the overload prevention function, so, when the wiring board appears transshipping the phenomenon, leads to the phenomenon that the wiring board appears burning, is on fire easily to can damage the wiring board, still can cause the conflagration even, have very big potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the intelligent patch board with the overload protection function, after the fuse is arranged in the patch board, when the patch board is overloaded, the fuse can be automatically fused, namely, a circuit can be disconnected, so that the phenomena of burning and firing of the patch board can be avoided, and the potential safety hazard is eliminated.

The intelligent patch board with the overload protection function comprises a base, an upper cover and a power line, wherein the upper cover is fixed on the base, the power line penetrates through the space between the upper cover and the base, and the power line is tightly pressed through the upper cover and the base; a plurality of pairs of conductive sockets distributed from left to right are fixed on the base, jacks for the conductive sheets in the conductive plugs in the electrical appliances to pass through are arranged in the upper cover above each conductive socket, and each conductive socket is fixed on the base through a first bolt penetrating through the bottom of the conductive socket; a rotating roller is arranged above the base, a rotating shaft is integrally formed at the lower end of the rotating roller, the rotating shaft and the rotating roller are coaxially arranged, and a lug boss in a regular hexagon shape is integrally formed at the lower end of the rotating shaft; a groove is formed in the bottom surface of the base below the rotating roller, a cover plate is arranged in the groove, the cover plate is fixed with the base through two second bolts which are arranged in a bilateral symmetry mode, a shaft hole for the rotating shaft to insert and rotate is formed in the base above the groove, the rotating shaft is inserted into the shaft hole, and the total length of the rotating shaft and the boss is equal to the length of the shaft hole; the outer part of the rotating roller is sleeved with a support in a shape like a Chinese character 'pi', both ends of the support are fixed with the upper end face of the base, the upper end of the rotating roller is provided with a blind hole, the blind hole and the rotating roller are coaxially arranged, a limiting column which is partially inserted into the blind hole is integrally formed on the inner bottom of the support, the rotating roller is rotatably connected with the limiting column, a first spring is sleeved outside the limiting column, and both ends of the first spring respectively abut against the rotating roller and the support; the edge of the rotating roller is provided with a circular slot, the slot extends along the axial direction of the rotating roller, the side wall of the slot is provided with a notch, the width of the notch is smaller than the diameter of the slot, a fuse is inserted in the slot, the outer wall of the fuse is attached to the inner wall of the slot after the fuse is inserted into the slot, the left side of the rotating roller is provided with two elastic conductive pins which are distributed in the vertical direction, when the slot of the rotating roller rotates to the leftward state, the elastic ends of the two elastic conductive pins are respectively used for abutting against the two conductive ends of the fuse, the upper end surface of the base is integrally formed with a support plate, and the two elastic conductive pins are embedded in the support plate; a through hole is formed in the base on the right side of the shaft hole and above the groove, when the notch of the rotating roller rotates to the right state, the through hole is used for enabling the fuse to slide in, a second spring is embedded in front of the fuse and the inner bottom of the slot, when the notch of the rotating roller rotates to the right state, the second spring is used for jacking the fuse into the through hole, and the outer wall of the second spring is attached to the inner wall of the slot; the elastic conductive needle positioned above is electrically connected with a phase line in the power line, the elastic conductive needle positioned below is electrically connected with one conductive socket in each pair of conductive sockets through a lead, and the other conductive socket in each pair of conductive sockets is electrically connected with a zero line in the power line; a circumferential positioning structure is arranged between the rotating roller and the base.

The invention discloses an intelligent patch board with an overload protection function, wherein a circumferential positioning structure comprises two dome-shaped bulges which are integrally formed on the lower end surface of a rotating roller, the two bulges are respectively positioned on the front side and the rear side of a rotating shaft, the two bulges are symmetrically arranged in the front and the rear direction, and an embedding groove which is respectively embedded with one bulge is arranged on the upper end surface of a base; after adopting this kind of circumference location structure, after the live-rollers rotates 180 degrees, when the notch of live-rollers rotated towards the right side state by towards the left state promptly, perhaps when the notch of live-rollers rotated towards the left state by towards the right state again, every arch homoenergetic enough breaks away from original caulking groove and with another caulking groove gomphosis, rotates 180 degrees backs at the live-rollers promptly, can realize the location to the live-rollers.

The invention relates to an intelligent wiring board with an overload protection function, which further comprises a disassembling tool for disassembling and assembling a fuse, wherein the disassembling tool comprises a rotating handle and a positioning plate, a coaxially arranged rotating column is integrally formed at one end of the rotating handle facing the positioning plate, a round hole is formed in the positioning plate, the rotating column penetrates through the round hole and is rotatably connected with the round hole, an outward-expanding expansion part is arranged in the round hole far away from one end of the rotating handle, a clamp spring is arranged in the expansion part and is in matched clamping connection with the rotating column in the expansion part, the clamp spring is attached to the bottom of the expansion part, the rotating handle is attached to the positioning plate, one end of the rotating column far away from the rotating handle is used for being inserted into a shaft hole, a right hexagonal counter bore for matched insertion of a boss is formed at one end of the rotating column far away from the rotating handle, and a bolt is integrally formed on the end face, when the rotating column is inserted into the shaft hole, the plug pin is used for being inserted into the through hole, and the length of the plug pin is the same as that of the through hole; after the disassembling tool is adopted, when a fuse is required to be installed on a patch board, firstly, a plug pin on a positioning plate is inserted into a through hole, a counter bore in a rotating column is inserted into a boss on a rotating shaft, then, a rotating handle is rotated, a slot and a notch on a rotating roller are rotated to a right state, after the slot and the notch on the rotating roller are rotated to the right state, a bulge on the rotating roller can be embedded with a caulking groove on a base, namely, the rotating roller can realize positioning, then, the disassembling tool is taken down, and the fuse is inserted into the slot through the through hole; then cooperate dismouting frock and base once more, even make during the bolt on the locating plate inserts the through-hole, and make the counter bore in the rotation post and the epaxial boss of commentaries on classics insert, after the bolt inserts in the through-hole completely, the fuse can be followed in the through-hole ejecting and enter into the slot completely, rotate the turning handle after that, make slot and notch on the live-rollers rotate the state towards the left, slot and notch on the live-rollers are rotated behind the state towards the left, the arch on the live-rollers can with the caulking groove gomphosis on the base, the live-rollers can realize the location promptly, at this moment, the elastic end of two elasticity conductive pins can see through notch and one of them electrically conductive end counterbalance of fuse respectively, it can to take off the dismouting frock again at last.

The intelligent patch board with the overload protection function is characterized in that a first annular chamfer surface which is matched with the inner peripheral wall of the shaft hole for guiding so as to facilitate the insertion of the rotating column into the shaft hole is arranged on the outer peripheral wall of one end, far away from the rotating handle, of the rotating column; through the setting of first annular chamfer face, when rotating the post and wanting to insert in the shaft hole, first annular chamfer face can lead in order to make things convenient for the rotation post to insert in the shaft hole with the inner wall cooperation in shaft hole.

According to the intelligent patch board with the overload protection function, the outer peripheral wall of one end, away from the positioning plate, of the plug pin is provided with the second annular chamfer surface which is matched with the inner peripheral wall of the through hole for guiding so as to facilitate the plug pin to be inserted into the through hole; through the setting of second annular chamfer face, when the bolt was intended to insert in the through-hole, the cooperation of second annular chamfer face and the internal perisporium of through-hole was led to make things convenient for the bolt to insert in the through-hole.

According to the intelligent patch board with the overload protection function, the power line positioned on the inner side of the upper cover is tightly pressed on the base through the wire pressing buckle, and two ends of the wire pressing buckle are fixed with the upper end face of the base through the screws; after adopting this kind of structure, can further realize the fixed to the power cord, so, can effectively avoid the power cord to appear breaking away from the phenomenon of base and upper cover.

According to the invention, after the fuse is arranged in the patch board, when the patch board is overloaded, the fuse can be automatically fused, so that a circuit can be disconnected, the phenomena of burning and firing of the patch board can be avoided, and potential safety hazards are eliminated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a patch panel in partial cross-section;

FIG. 2 is a schematic view of a patch panel in partial cross-section;

FIG. 3 is a perspective view of the rotating roller;

FIG. 4 is a schematic cross-sectional view of the disassembled and assembled tool engaged with the patch board when the notch of the rotating roller is rotated to the left;

FIG. 5 is a schematic cross-sectional view of the disassembled and assembled tool engaged with the patch board when the notch of the rotating roller is rotated to the right;

FIG. 6 is an enlarged view of the structure at A in FIG. 4;

fig. 7 is a schematic perspective view of the dismounting tool.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The intelligent patch board with the overload protection function comprises a base 1, an upper cover 2 and a power line 3, wherein the upper cover 2 is fixed on the base 1, the power line 3 penetrates between the upper cover 2 and the base 1, and the power line 3 is tightly pressed through the upper cover 2 and the base 1; a plurality of pairs of conductive sockets 4 distributed from left to right are fixed on the base 1, the upper cover 2 positioned above each conductive socket 4 is provided with a jack 21 for a conductive sheet in a conductive plug in an electric appliance to pass through, and each conductive socket 4 is fixed on the base 1 through a first bolt 41 penetrating through the bottom of the conductive socket 4; a rotating roller 5 is arranged above the base 1, a rotating shaft 51 is integrally formed at the lower end of the rotating roller 5, the rotating shaft 51 and the rotating roller 5 are coaxially arranged, and a lug boss 52 in a regular hexagon shape is integrally formed at the lower end of the rotating shaft 51; a groove 11 is formed in the bottom surface of the base 1 below the rotating roller 5, a cover plate 12 is arranged in the groove 11, the cover plate 12 is fixed with the base 1 through two second bolts 13 which are arranged in a bilateral symmetry manner, a shaft hole 14 for inserting and rotating the rotating shaft 51 is formed in the base 1 above the groove 11, the rotating shaft 51 is inserted into the shaft hole 14, and the total length of the rotating shaft 51 and the boss 52 is equal to the length of the shaft hole 14; the outer part of the rotating roller 5 is sleeved with a n-shaped bracket 6, two ends of the bracket 6 are fixed with the upper end face of the base 1, the upper end of the rotating roller 5 is provided with a blind hole 53, the blind hole 53 and the rotating roller 5 are coaxially arranged, a limiting column 61 for partially inserting into the blind hole 53 is integrally formed on the inner bottom of the bracket 6, the rotating roller 5 is rotatably connected with the limiting column 61, the outer part of the limiting column 61 is sleeved with a first spring 62, and two ends of the first spring 62 are respectively abutted against the rotating roller 5 and the bracket 6; a circular slot 54 is formed in the edge of the rotating roller 5, the slot 54 extends in the axial direction of the rotating roller 5, a notch 55 is formed in the side wall of the slot 54, the width of the notch 55 is smaller than the diameter of the slot 54, a fuse 7 is inserted into the slot 54, after the fuse 7 is inserted into the slot 54, the outer wall of the fuse 7 is attached to the inner wall of the slot 54, two elastic conductive pins 8 distributed in the vertical direction are arranged on the left side of the rotating roller 5, when the notch 55 of the rotating roller 5 rotates to the left, the elastic ends of the two elastic conductive pins 8 are respectively used for abutting against the two conductive ends of the fuse 7, a support plate 15 is integrally formed on the upper end surface of the base 1, and the two elastic conductive pins 8 are both embedded in the support plate 15; a through hole 16 is formed in the base 1 on the right side of the shaft hole 14 and above the groove 11, when the notch 55 of the rotating roller 5 rotates to the right state, the through hole 16 is used for allowing the fuse 7 to slide in, a second spring 56 is embedded in front of the fuse 7 and the inner bottom of the slot 54, when the notch 55 of the rotating roller 5 rotates to the right state, the second spring 56 is used for jacking the fuse 7 into the through hole 16, and the outer wall of the second spring 56 is attached to the inner wall of the slot 54; the upper elastic conductive pin 8 is electrically connected with the phase line 31 in the power line 3, the lower elastic conductive pin 8 is electrically connected with one conductive socket 4 in each pair of conductive sockets 4 through a wire 81, and the other conductive socket 4 in each pair of conductive sockets 4 is electrically connected with the zero line 32 in the power line 3; a circumferential positioning structure is arranged between the rotating roller 5 and the base 1.

The circumferential positioning structure comprises two dome-shaped bulges 57 integrally formed on the lower end surface of the rotating roller 5, the two bulges 57 are respectively positioned on the front side and the rear side of the rotating shaft 51, the two bulges 57 are symmetrically arranged in the front and the rear direction, and the upper end surface of the base 1 is provided with an embedded groove 17 which is respectively embedded with one bulge 57; after adopting this kind of circumference location structure, after the live-rollers rotates 180 degrees, when the notch of live-rollers rotated towards the right side state by towards the left state promptly, perhaps when the notch of live-rollers rotated towards the left state by towards the right state again, every arch homoenergetic enough breaks away from original caulking groove and with another caulking groove gomphosis, rotates 180 degrees backs at the live-rollers promptly, can realize the location to the live-rollers.

The intelligent patch board with the overload protection function further comprises a disassembling and assembling tool for disassembling and assembling a fuse, the disassembling and assembling tool comprises a rotating handle 9 and a positioning plate 10, one end, facing the positioning plate 10, of the rotating handle 9 is integrally formed with a coaxially arranged rotating column 91, a round hole 101 is formed in the positioning plate 10, the rotating column 91 penetrates through the round hole 101 and is rotatably connected with the round hole 101, an outward-expanding expansion part 102 is arranged in the round hole 101 far away from one end of the rotating handle 9, a clamp spring 103 is arranged in the expansion part 102 and is clamped with the rotating column 91 in the expansion part 102 in a matching manner, the clamp spring 103 is attached to the bottom of the expansion part 102, the rotating handle 9 is attached to the positioning plate 10, one end, far away from the rotating handle 9, of the rotating column 91 is used for being inserted into a shaft hole 14, one end, far away from the rotating handle 9, of the rotating column 91 is provided with a hexagonal counter bore 92 for matching and inserting of a boss 52, when the rotating column 91 is inserted into the shaft hole 14, the plug pin 104 is used for being inserted into the through hole 16, and the length of the plug pin 104 is the same as that of the through hole 16; after the disassembling tool is adopted, when a fuse is required to be installed on a patch board, firstly, a plug pin on a positioning plate is inserted into a through hole, a counter bore in a rotating column is inserted into a boss on a rotating shaft, then, a rotating handle is rotated, a slot and a notch on a rotating roller are rotated to a right state, after the slot and the notch on the rotating roller are rotated to the right state, a bulge on the rotating roller can be embedded with a caulking groove on a base, namely, the rotating roller can realize positioning, then, the disassembling tool is taken down, and the fuse is inserted into the slot through the through hole; then cooperate dismouting frock and base once more, even make during the bolt on the locating plate inserts the through-hole, and make the counter bore in the rotation post and the epaxial boss of commentaries on classics insert, after the bolt inserts in the through-hole completely, the fuse can be followed in the through-hole ejecting and enter into the slot completely, rotate the turning handle after that, make slot and notch on the live-rollers rotate the state towards the left, slot and notch on the live-rollers are rotated behind the state towards the left, the arch on the live-rollers can with the caulking groove gomphosis on the base, the live-rollers can realize the location promptly, at this moment, the elastic end of two elasticity conductive pins can see through notch and one of them electrically conductive end counterbalance of fuse respectively, it can to take off the dismouting frock again at last.

A first annular chamfer surface 93 which is used for being matched with the inner peripheral wall of the shaft hole 14 for guiding so as to facilitate the insertion of the rotating column 91 into the shaft hole 14 is arranged on the outer peripheral wall of one end, away from the rotating handle 9, of the rotating column 91; through the setting of first annular chamfer face, when rotating the post and wanting to insert in the shaft hole, first annular chamfer face can lead in order to make things convenient for the rotation post to insert in the shaft hole with the inner wall cooperation in shaft hole.

The outer peripheral wall of the end of the plug pin 104 far away from the positioning plate 10 is provided with a second annular chamfered surface 105 which is used for being matched and guided with the inner peripheral wall of the through hole 16 so as to facilitate the plug pin 104 to be inserted into the through hole 16; through the setting of second annular chamfer face, when the bolt was intended to insert in the through-hole, the cooperation of second annular chamfer face and the internal perisporium of through-hole was led to make things convenient for the bolt to insert in the through-hole.

The power line 3 positioned on the inner side of the upper cover 2 is also tightly pressed on the base 1 through a wire pressing buckle 33, and two ends of the wire pressing buckle 33 are fixed with the upper end face of the base 1 through screws; after adopting this kind of structure, can further realize the fixed to the power cord, so, can effectively avoid the power cord to appear breaking away from the phenomenon of base and upper cover.

When the power socket is used, when the power socket is overloaded due to the fact that the power socket is connected with too many electric appliances, the fuse in the power socket can be fused, namely, a circuit can be disconnected, so that the phenomena of burning and fire striking of the power socket can be avoided, and potential safety hazards are eliminated; when a fuse in the patch board is fused and needs to be replaced, firstly, the power supply of the patch board is disconnected, then the cover plate arranged in the groove is detached, then the dismounting tool is matched with the patch board, namely, a bolt on the positioning plate is inserted into the through hole, and a counter bore in the rotating column is plugged with a boss on the rotating shaft, then the rotating handle is rotated, so that the slot and the notch on the rotating roller are rotated to a right state, after the slot and the notch on the rotating roller are rotated to the right state, a bulge on the rotating roller can be embedded with a caulking groove on the base, namely, the rotating roller can realize positioning, then the dismounting tool is detached, after the dismounting tool is detached, the fuse originally positioned in the slot can be ejected out from the slot and the through hole by the second spring, namely, the fused fuse can be taken out of the patch board, then a new fuse is inserted into the slot through the through hole, then cooperate dismouting frock and wiring board once more, it is during to make the bolt on the locating plate insert the through-hole, and make the counter bore in the rotation post and the epaxial boss of commentaries on classics insert, after the bolt inserts in the through-hole completely, new fuse can be followed in the through-hole ejecting and enter into the slot completely, rotate the turning handle after that, make slot and notch on the live-rollers rotate the state towards the left, slot and notch on the live-rollers are rotated behind the state towards the left, the arch on the live-rollers can with the caulking groove gomphosis on the base, namely the live-rollers can realize the location, at this moment, the elastic end of two elasticity conductive pins can see through notch and one of them electrically conductive end counterbalance of new fuse respectively, so, realized the change to the fuse promptly, it can on the base to take off the dismouting frock again at last and get back the apron dress back to the base.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.