JP6735010B2 - Energy-saving electric circuit power on/off device - Google Patents

Description

The present invention relates to the field of electric circuit control technology, and more particularly, to an energy-saving electric circuit power source on/off device.

Currently, electrical facilities are indispensable for any factory building or office building, and it is better to turn off these electrical facilities when not in use for the purpose of saving electricity and reducing safety risks. It is considered good. However, in reality, humans often inadvertently forget to turn off the power, resulting in wasted electric energy and increased safety risk. It is an object of the present invention to provide a device that automatically disconnects an electrical circuit when a person leaves and closes a door, and further avoids inadvertently leaving the power on.

Chinese Patent Application Publication No. 102709114

SUMMARY OF THE INVENTION It is an object of the present invention to provide an energy-saving electric circuit power source on/off device for solving the problems presented in the above background art.

An apparatus for corporate blackout of the present invention includes a device main body and a power-off device installed in the device main body, and the power-off device includes a telescopic cavity installed in the device main body. A power-off component is installed in the cavity, and the power-off component includes an elevating block installed in the telescopic cavity, and an electric circuit when the elevating block slides up and down in the telescopic cavity. Power can be turned off or on with respect to the telescopic cavity, a locking device is installed in the left inner wall of the telescopic cavity, and the rocking device operates when the elevating block is descending in the telescopic cavity. Lock operation is performed to maintain the electric circuit off, and a fixed block is fixedly connected to the upper end of the lifting block, and the locking block is provided in the fixed block and the expansion cavity. An unlocking device that can be unlocked with respect to the device is installed, in which a recessed groove that opens upward and engages with the fixed block is installed in the main body of the device, and the fixed block descends. When the fixed block receives downward pressure, the fixed block is retracted into the recessed groove, and at the same time, the elevating block is interlocked and lowered in the telescopic cavity, Then, the electric circuit is further disconnected, and at the same time, the locking device locks the lifting block, and further, the fixed block can maintain the power-off state even after the pressure is lost, and energize it. At this time, the unlocking device performs an unlocking operation on the elevating block, and the electric circuit is electrically connected on the unlocking block. A short-circuit prevention device is installed in the main body of the device.

As a feature thereof, the power-off component includes the elevating block installed in the telescopic cavity so as to be slidable up and down, and a first energization block is fixedly installed in a right end surface of the elevating block. A first energization block is electrically connected to an electric device, and a second energization block that is in contact with the first energization block is fixedly provided inside the right inner wall of the expandable cavity, and the second energization block communicates with a commercial power source. However, when the first energizing block and the second energizing block come into contact with each other, the first energizing block is energized, whereby electric power can be supplied to the electric device, and an expansion guide chute is provided in the right inner wall of the expansion cavity. An elongate block is installed in communication with the elevating block, and a telescopic guide slider that is inserted into the telescopic guide chute is fixedly connected to the right end face of the elevating block. An expansion and contraction guide spring is connected between the two, and the expansion and contraction guide spring interlocks and raises the elevating block after the unlocking operation of the unlocking device with respect to the elevating block. The current-carrying block is interlocked with and brought into contact with the second current-carrying block, and then the electric circuit is electrically conducted again.

As a feature thereof, the locking device includes a locking slot installed in the lifting block and opened to the left, and a sprag is slidably installed in the locking slot, in which the sprag of the sprag is inserted. A sprag push bar that extends downward and extends to the outside of the lower end surface of the lifting block is fixedly connected to the lower end surface, and the lower end of the sprag push bar is located below the lifting block and A push board located in the telescopic cavity is fixedly connected, a locking chute is installed in communication with the left inner wall of the telescopic cavity, and an inclined block push board is slidable in the rocking chute. And a locking tilt block engaging with the locking slot is fixedly connected to an upper end of a right end surface of the tilt block push board, and a transition groove communicates with a lower inner wall of the locking chute. Installed in the transition groove so that the transition lead screw can rotate, and a transition slider extending through the transition groove is fixedly connected to the lower end surface of the inclined block push board. A torsion spring cavity is installed in the left inner wall of the transition groove, the left end of the transition lead screw extends through the torsion spring cavity, and the torsion spring cavity is provided at the left end of the transition lead screw. A rotatable block is fixedly mounted in the rotor, and a torsion spring is fixedly connected between an arcuate end surface of the rotatable block and an inner wall of the torsion spring cavity. When the spring is in the maximum strained state and the locking slot and the locking chute are in communication, rotation of the transitional lead screw causes the locking ramp block to interlock and hook into the locking slot.

As a feature thereof, a rocking guide chute is installed in communication with the inside wall of the rocking chute, and the rocking guide chute extends through the rocking guide chute through an upper end surface of the inclined block push board. A locking guide slider, which can slide left and right, is fixedly connected to the inside, and a locking guide spring is fixedly connected between the left end surface of the locking guide slider and the left end surface of the locking guide chute.

The unlocking device is characterized in that the unlocking device is installed in the fixed block and includes an opening groove opened upward, and the pressing block is installed in the opening groove so that the pressing block can slide. An unlock push slot is installed in the inner wall so that the unlock push slot communicates with the upper end surface of the push board after the unlock push slot extends through the lower end surface of the pressing block. An unlock push bar fixedly connected to the slider is fixedly connected, and a slider is installed so as to be slidable in the expansion cavity of the lower side of the push board. A tension spring is fixedly connected to the lower inner wall of the expansion cavity, and an opening chute is installed in communication with the lower end of the left inner wall of the expansion cavity. An unlock push block to be inserted into the telescopic cavity is installed so as to be slidable, a rack chute is installed in communication with the left inner wall of the opening chute, and the rack is provided on the left end surface of the unlock push block. A rack that can slide up and down in the chute is fixedly connected, a transmission cavity is installed in communication in the left inner wall of the rack chute, and the rack of the rack is installed between the front and rear inner walls of the transmission cavity. A spur gear that meshes with the left end face is rotatably installed, a driving bevel gear is coaxially connected in the transmission cavity of the front side of the spur gear, and a driven bevel gear is at the left end of the driving bevel gear. A first pulley which is engaged with the driven bevel gear and coaxially connected to the left end of the driven bevel gear is coaxially connected to the driven bevel gear and extends upward into the upper inner wall of the transmission cavity and the torsion spring cavity. A pulley slot located between the right inner wall and the left inner wall of the transition groove is installed in communication therewith, in which the left end of the transition lead screw extends when passing through the pulley slot of the transition lead screw. A second pulley that can rotate in the pulley slot is fixedly connected to the left end, and a transmission belt is provided around the first pulley and the second pulley.

Characteristically, a hooking part is installed in the left inner wall of the transmission cavity, and the hooking part includes a hooking chute installed in communication with the left inner wall of the transmission cavity. A hook block is installed in the chute so as to be slidable, and a transition chute is installed in the upper inner wall of the hook chute so that the transition chute communicates with the upper end surface of the hook block. Is fixedly connected to a hook push block that extends through the transition chute, and a paddle that is slidably engaged with the upper end surface of the fixed block is fixedly connected to an upper end surface of the hook push block. A hooking guide chute is installed in communication with the lower inner wall of the hooking chute, and a hooking guide inserted into the hooking guide chute at the lower end surface of the hooking block. The slider is fixedly connected, and a hooking guide spring is installed between the left end surface of the hooking guide slider and the left inner wall of the hooking guide chute.

As a feature thereof, the short-circuit prevention device includes a ground wire fixedly connected to the device main body, the ground wire being fixedly installed in the device main body and electrically connected to the device main body. When the device is leaked or short-circuited, the grounding wire conducts current underground, thereby preventing electric shock.

The beneficial effects of the present invention are: the present invention is simple in construction, convenient to operate, when the device is used, when the user fixes the device between the doors to be opened and closes the doors in abutment. , This device is driven by the interaction force between the door panels, and the power is turned off by this device, and when the door is opened again, the electric circuit can be re-established if the user presses the switch, thereby realizing power supply. However, this device is used when using various kinds of electricity, it is safe and effective, it is environmentally friendly, and it is recommended for use.

FIG. 1 is a schematic diagram of the entire internal structure of an energy-saving electric circuit power source on/off device of the present invention. FIG. 2 is an enlarged schematic view of A in FIG. FIG. 3 is an enlarged schematic view of B in FIG.

The present invention will be described in detail below with reference to FIGS. For clarity and convenience of description, the following vertical, horizontal, and front-back directions correspond to the vertical, horizontal, and front-back directions of the projection relationship of Figure 1 itself.

1 to 3, a device for corporate power outage in an embodiment of the present invention includes a device main body 11 and a power-off device installed in the device main body 11, and the power-off device is the device main body. A telescopic cavity 21 installed in the telescopic cavity 21, a power-off component is installed in the telescopic cavity 21, and the power-off component includes an elevating block 35 installed in the telescopic cavity 21; When the block 35 slides up and down in the telescopic cavity 21, power can be turned off or on for the electric circuit, and a locking device is installed in the inner wall of the left side of the telescopic cavity 21 to move up and down. When the block 35 is descending in the telescopic cavity 21, the locking device performs a locking operation with respect to the elevating block 35, on which the electric circuit is further kept off, and the upper end of the elevating block 35 is A fixed block 71 is fixedly connected to the fixed block 71, and an unlocking device capable of unlocking the locking device is installed in the fixed block 71 and the expandable cavity 21. A recessed groove 34 that opens upward and engages with the fixed block 71 is installed therein, and when the fixed block 71 is descending, it is retracted into the recessed groove 34, in which the fixed block 71 is When it receives downward pressure, it is retracted into the recessed groove 34, and at the same time, the elevating block 35 is interlocked and lowered in the telescopic cavity 21, and further the electric circuit is cut off, and at the same time, the locking device. Locks the elevating block 35, and the fixed block 71 can be maintained in the power-off state even after the pressure is further lost. An unlocking operation is performed on 35, an electric circuit is conducted on the unlocking operation, and a short-circuit prevention device is installed in the device main body 11.

Beneficially, the power-off component includes the elevating block 35 installed in the telescopic cavity 21 so as to be slidable up and down, and the first energization block 33 is provided in the right end surface of the elevating block 35. The first energization block 33 is fixedly installed and electrically connected to an electric device, and the second energization block 32 that is in contact with the first energization block 33 is fixedly installed in the right inner wall of the expandable cavity 21. The second energizing block 32 communicates with a commercial power source, and when the first energizing block 33 and the second energizing block 32 come into contact with each other, the first energizing block 33 is energized, whereby electric power can be supplied to an electric device, and A telescopic guide chute 25 is installed in communication with the right inner wall of the telescopic cavity 21, and a telescopic guide slider 31 to be inserted into the telescopic guide chute 25 is fixedly connected to the right end surface of the elevating block 35. An expansion guide spring 26 is connected between a lower end surface of the expansion guide slider 31 and a lower inner wall of the expansion guide chute 25, and after the unlock device performs an unlocking operation on the elevating block 35. The expansion guide spring 26 interlocks the elevating block 35 and raises it, and further interlocks the first energization block 33 with the second energization block 32 to contact the second energization block 32. Conduct.

Beneficially, the locking device is installed in the lifting block 35 and includes a locking slot 36 that is open to the left, and a sprag 37 is slidably installed in the locking slot 36. In addition, a sprag push bar 28 extending downward to the lower end face of the sprag 37 and extending to the outside of the lower end face of the elevating block 35 is fixedly connected to the lower end face of the sprag 37, and A push board 24 located below the elevating block 35 and located in the telescopic cavity 21 is fixedly connected, and a locking chute 43 is installed in communication in the left inner wall of the telescopic cavity 21. An inclined block push board 44 is slidably installed in the locking chute 43, and a locking inclined block 39 that engages with the locking slot 36 is fixed to an upper end of a right end surface of the inclined block push board 44. The transition block 47 is connected to the lower inner wall of the locking chute 43 and the transition lead screw 48 is rotatably installed in the transition groove 47. A transition slider 49, which extends through the transition groove 47, is fixedly connected to the lower end surface of the 44, and a torsion spring cavity 52 is installed in the left inner wall of the transition groove 47. The left end of the screw 48 extends through the torsion spring cavity 52, and the left end of the transition lead screw 48 is fixedly provided with a rotation block 54 that can rotate in the torsion spring cavity 52. A torsion spring 53 is fixedly connected between the arcuate end surface on the circumferential side and the inner wall of the torsion spring cavity 52, and in the initial state, the torsion spring 53 is in the maximum strain state, and the locking slot 36 and When in communication with the locking chute 43, rotation of the transition lead screw 48 causes the locking tilt block 39 to be interlocked and hooked in the locking slot 36.

Beneficially, a locking guide chute 38 is installed in communication with the inner wall of the locking chute 43, and the upper end surface of the inclined block push board 44 extends through the locking guide chute 38. A locking guide slider 41 that can slide left and right in the locking guide chute 38 is fixedly connected, and a locking guide spring 42 is provided between the left end surface of the locking guide slider 41 and the left end surface of the locking guide chute 38. Are fixedly connected.

Beneficially, the unlocking device includes an opening groove 85 installed in the fixing block 71 and opening upward, and a pressing block 62 is installed in the opening groove 85 so as to be slidable. An unlock push slot 29 is installed in the lower inner wall of the opening groove 85 so as to communicate therewith and penetrate vertically, and the unlock push slot 29 is extended and passed through the lower end surface of the pressing block 62. After that, the unlock push bar 27 fixedly connected to the upper end surface of the push board 24 is fixedly connected, and the slider 22 slides in the telescopic cavity 21 on the lower side of the push board 24. The tension spring 23 is fixedly connected between the lower end surface of the slider 22 and the lower inner wall of the expandable cavity 21, and has an opening at the lower end of the left inner wall of the expandable cavity 21. A chute 72 is installed in communication with the opening chute 72, and an unlocking push block 45 is inserted into the expansion chute 72 so that a right end of the chute 72 can be slid. A rack chute 57 is installed in communication with the rack chute 57, and a rack 58 that can slide up and down in the rack chute 57 is fixedly connected to the left end surface of the unlock push block 45. A transmission cavity 84 is installed in communication with the inside of the transmission cavity 84, and a spur gear 59 meshing with the left end face of the rack 58 is rotatably installed between the front and rear inner walls of the transmission cavity 84. A driving bevel gear 61 is coaxially connected in the transmission cavity 84 on the front side of 59, a driven bevel gear 63 is meshingly connected to the left end of the driving bevel gear 61, and the left end of the driven bevel gear 63 is connected. A first pulley 64 which can rotate in the transmission cavity 84 is coaxially connected to the transmission cavity 84, and extends upward in the upper inner wall of the transmission cavity 84 and the right inner wall of the torsion spring cavity 52 and the transition groove 47. A pulley slot 55 located between the left inner wall of the transition lead screw 48 and the left end of the transition lead screw 48 when the left end of the transition lead screw 48 extends and passes through the pulley slot 55. A second pulley 51 that can rotate in the pulley slot 55 is fixedly connected, and a transmission belt 56 is provided between the first pulley 64 and the second pulley 51.

Beneficially, a hooking part is installed in the left inner wall of the transmission cavity 84, and the hooking part includes a hooking chute 65 that is installed in communication with the left inner wall of the transmission cavity 84. A hooking block 66 is slidably installed in the hooking chute 65, and a transition chute 68 is installed in the upper inner wall of the hooking chute 65 so as to communicate therewith vertically. A hooking push block 67 that extends through the transition chute 68 is fixedly connected to an upper end surface of the hooking block 66, and an upper end surface of the fixed block 71 is connected to an upper end surface of the hooking push block 67. A paddle 69, which is engaged and connected so as to be slidable, is fixedly connected, a hooking guide chute 83 is installed in communication with the inside of the lower side wall of the hooking chute 65, and a bottom of the hooking block 66 is connected. A hooking guide slider 81 to be inserted into the hooking guide chute 83 is fixedly connected to the side end surface, and between the left end surface of the hooking guide slider 81 and the left inner wall of the hooking guide chute 83. A hooking guide spring 82 is installed.

Beneficially, the short circuit prevention device includes a ground wire 201 fixedly connected to the device body 11, the ground wire 201 being fixed within the device body 11 and the device body 11. When it is electrically connected and a short circuit or a short circuit occurs in the device, the ground wire 201 conducts a current underground, thereby preventing electric shock.

In the initial state, the upper end of the elevating block 35 extends to the outside of the upper end opening of the recessed groove 34, and at this time, the fixed block 71 is located on the upper side of the device main body 11, the right end surface of the first energizing block 33 and the second energizing block. The left end face of 32 comes into contact with the lower end face of the sprag 37 and the lower inner wall of the locking slot 36 comes into contact with each other. The end surface abuts the left inner wall of the locking chute 43, the lower end surface of the unlock push block 45 abuts the lower inner wall of the opening chute 72, and at this time, the torsion spring 53 is in the maximum strain state, The device is energized.

When the power is turned on to the electric circuit through the device, the user fixes the device between the door panels, and when the door panels approach each other and come into contact with each other, the fixing block 71 is pushed and moved by the action force of each other. When the locking slot 36 and the locking chute 43 communicate with each other, when the locking slot 36 and the locking chute 43 communicate with each other, the lifting block 35 is further interlocked with the lifting block 35 to move downward in the expansion groove 21. The right end face of 39 loses contact, and at this time the torsion spring 53 recovers to the strain, and at this time, the tilt block push board 44 and the rocking tilt block 39 shift, and push by rotation of the lead screw 48 and the rocking guide spring. Due to the elastic action of 42, it moves to the right side to interlock the locking tilt block 39 to be caught in the locking slot 36, and the transition lead screw 48 rotating in this process interlocks the second pulley 51. The first pulley 64 is further interlocked and rotated by the transmission belt 56, and the main bevel gear 61 is further interlocked and rotated by the driven bevel gear 63, and then the spur gear 59 is further rotated. The rack 58 is interlocked to move upwards in the rack chute 57, and further the unlock push block 45 is interlocked to move up in the opening chute 72, and at the same time, the lifting block 35 is lowered. While pushing, the push board 24 is moved upward by the interaction force between the slider 22 and the push board 24, and the locking inclined block 39 caught in the locking slot 36 is limited by the sprag 37, and the pressing block 62 is Ascending in the opening groove 85, the hook block 66 moves to the right in the hook chute 65, restricts the lower end surface of the pressing block 62, and further moves below the pressing block 62. Restriction, at this time, when the device is in the power-off state and tries to perform the energizing operation again, the user moves the paddle 69 to the left side, and further, the hook push block 67 interlocks the hook block 66. Then, the hook block 66 and the pressing block 62 are further separated from each other on the left and right, and the user pushes and moves the pressing block 62 at this time, whereby the push board 24 is moved by the unlock push bar 27. Move it downwards in the expansion/contraction groove 21 in conjunction with each other, and at this time, the sprag 37 is interlocked with the push board 24 and moves downward, and at the same time, moves downward. The moving push board 24 pushes the slider 22 to move it downward while resisting the elastic force of the tension spring 23, and further pushes the unlock push block 45 to move it downward to move it upwards. Then, the rack 58 further rotates the spur gear 59 in an interlocked manner, which causes the main bevel gear 61 to interlock and rotate the driven bevel gear 63, and then the first pulley 64 interlocks to rotate the transmission belt 56. As a result, the transition lead screw 48 is interlocked and rotated by the second pulley 51, and then the inclined block push board 44 is interlocked and returned to the initial state. It moves a certain distance upward under the action of elasticity, and if the user releases the hand at this time, the elevating block 35 continues to move upward and returns to the initial state.

It is clear to a person skilled in the art that the present invention can be modified in various ways without departing from the general spirit and idea of the present invention, and all the modifications are within the protection scope of the present invention. The protection plan of the present invention should be based on the claims of the present invention.

Claims (7)

An apparatus main body and a power-off device installed in the apparatus main body, wherein the power-off device includes a telescopic cavity installed in the apparatus main body, and a power-off component is included in the telescopic cavity. Installed, the power-off component includes a lifting block installed in the telescopic cavity, and power-off or power-on operation for an electric circuit when the lifting block slides up and down in the telescopic cavity. A locking device is installed in the left inner wall of the telescopic cavity, and the locking device locks the elevating block when the elevating block is descending in the telescopic cavity. Further, an electric circuit is further maintained in an off state, a fixed block is fixedly connected to an upper end of the elevating block, and an unlocking mechanism for unlocking the locking device is provided between the fixed block and the telescopic cavity. A device is installed, in which a recessed groove that opens upward and engages with the fixed block is installed in the main body of the device, and is recessed into the recessed groove when the fixed block is descending. , In which, when the fixed block receives downward pressure, it is retracted into the recessed groove, and at the same time, the elevating block is interlocked and lowered in the telescopic cavity, and further the electric circuit is cut off. At the same time, the locking device locks the lifting block, and even when the fixed block loses pressure, the power-off state can be maintained and the unlocking device is used to energize. the lifting block to the unlock operation on its top in to conduct an electric circuit, said device energy-saving electrical circuit power supply on and off and wherein the short-circuit prevention device is installed in the main. The power-off part includes the elevating block installed in the telescopic cavity so as to be slidable up and down, and a first energizing block is fixedly installed in a right end surface of the elevating block. Is electrically connected to an electric device, and a second energizing block that is in contact with the first energizing block is fixedly provided in the inner wall of the right side of the expandable cavity, the second energizing block communicates with a commercial power source, and When the one energizing block and the second energizing block come into contact with each other, the first energizing block is energized, thereby supplying electric power to the electric equipment, and the telescopic guide chute is installed in communication with the right inner wall of the telescopic cavity. A telescopic guide slider that is inserted into the telescopic guide chute is fixedly connected to the right end surface of the elevating block, and is disposed between the lower end surface of the telescopic guide slider and the lower inner wall of the telescopic guide chute. An expansion and contraction guide spring is connected, and after the unlocking operation of the unlocking device with respect to the elevating block, the expansion and contraction guide spring causes the elevating block to interlock and rise, and further the first energization block interlocks. The energy-saving electric circuit power source on/off device according to claim 1, wherein the electric circuit power source on/off device is further brought into contact with the second energization block, and the electric circuit is further electrically conducted on the second energization block. The locking device is installed in the lifting block and includes a locking slot opening to the left, and a sprag is slidably installed in the locking slot, and a lower end surface of the sprag is included therein. Is fixedly connected to a sprag push bar that extends downward and extends to the outside of the lower end surface of the elevating block, and the lower end of the sprag push bar is located below the elevating block and of the telescopic cavity. A push board located inside is fixedly connected, a locking chute is installed in communication in the left inner wall of the telescopic cavity, and an inclined block push board is slidably installed in the locking chute. , A locking tilt block engaging with the locking slot is fixedly connected to the upper end of the right end surface of the tilt block push board, and a transition groove is installed in communication with a lower inner wall of the locking chute. A transition lead screw is rotatably installed in the transition groove, and a transition slider that extends through the transition groove is fixedly connected to a lower end surface of the inclined block push board. A torsion spring cavity is installed in the left inner wall of the groove, the left end of the transition lead screw extends through the torsion spring cavity, and the left end of the transition lead screw rotates in the torsion spring cavity. A rotatable block is fixedly mounted, and a torsion spring is fixedly connected between the arcuate end surface of the rotating block on the circumferential side and the inner wall of the torsion spring cavity, and when the torsion spring is in an initial state, the torsion spring has a maximum strain. In the state, when the locking slot and the locking chute are in communication with each other, the locking inclined block is interlocked with the locking lead block by the rotation of the transition lead screw and hooked in the locking slot. 1. An energy-saving electric circuit power source on/off device described in 1. A rocking guide chute is installed in communication with an upper inner wall of the rocking chute, and an upper end surface of the inclined block push board is extended through the rocking guide chute and left and right of the rocking guide chute. 7. A locking guide slider slidably attached to the locking guide slider is fixedly connected, and a locking guide spring is fixedly connected between a left end surface of the locking guide slider and a left end surface of the locking guide chute. The energy-saving electric circuit power source on/off device described in 3. The unlocking device is installed in the fixed block and includes an opening groove that opens upward, and a pressing block is installed in the opening groove so that the pressing block can slide in the lower inner wall of the opening groove. Is installed so that the unlock push slot communicates with and penetrates vertically, and after the unlock push slot extends through the lower end surface of the pressing block, it is fixed to the upper end surface of the push board. An unlock push bar to be connected is fixedly connected, and a slider is installed so as to be slidable in the expansion cavity of the lower side of the push board. A tension spring is fixedly connected to the side inner wall, and an opening chute communicates with the lower end of the left inner wall of the expansion cavity, and the right end of the opening chute is located in the expansion cavity. The unlock push block to be inserted into the rack chute is slidably installed, a rack chute is installed in communication with the left inner wall of the opening chute, and the left end surface of the unlock push block is installed in the rack chute. A rack that can slide up and down is fixedly connected, a transmission cavity is installed in the left inner wall of the rack chute so as to communicate with each other, and a left end surface of the rack is provided between front and rear inner walls of the transmission cavity. A spur gear that meshes is installed so as to be rotatable, a driving bevel gear is coaxially connected in the transmission cavity of the front side of the spur gear, and a driven bevel gear is meshingly connected to the left end of the driving bevel gear. A first pulley that can rotate in the transmission cavity is coaxially connected to the left end of the driven bevel gear, extends upward in the upper inner wall of the transmission cavity, and has a right inner wall of the torsion spring cavity. A pulley slot located between the left side inner wall of the transition groove and the transition slot is installed in communication therewith, and when the left end of the transition lead screw extends and extends through the pulley slot, the left end of the transition lead screw is The energy-saving according to claim 3 , wherein a second pulley rotatable in the pulley slot is fixedly connected, and a transmission belt is provided between the first pulley and the second pulley. Type electric circuit power on/off device. A hooking part is installed in the left inner wall of the transmission cavity, and the hooking part includes a hooking chute that is installed in communication with the left inner wall of the transmission cavity. Is installed so that the hook block can slide, a transition chute is installed in the upper inner wall of the hook chute so as to vertically penetrate therethrough, and the transition chute is provided on an upper end surface of the hook block. Is fixedly connected to the hook push block through which the paddle is extended, and a paddle that is slidably engaged with the upper end surface of the fixed block is fixedly connected to the upper end surface of the hook push block. A hook guide chute is installed in communication with the lower inner wall of the hook chute, and a hook guide slider to be inserted into the hook guide chute is fixed to the lower end surface of the hook block. 6. The energy-saving electric circuit according to claim 5, wherein a hooking guide spring is installed between the left end surface of the hooking guide slider and the left inner wall of the hooking guide chute. Power on/off device. The short-circuit prevention device includes a ground wire fixedly connected to the main body of the device, the ground wire being fixedly connected to the main body of the device and electrically connected to the main body of the device, to prevent leakage of current to the device. 7. The energy-saving electric circuit power on/off device according to claim 1, wherein when a short circuit occurs, the grounding wire conducts a current underground to prevent electric shock.

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