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CN-224217408-U - Dual-power change-over switch

CN224217408UCN 224217408 UCN224217408 UCN 224217408UCN-224217408-U

Abstract

The utility model discloses a dual-power-supply change-over switch, which relates to the technical field of power switches and comprises a mounting plate, wherein a converter is fixedly arranged in the middle of the top end of the mounting plate, a knob is fixedly arranged at the top end of the converter, circuit breakers are fixedly arranged at the left and right positions of the top end of the mounting plate, sealing structures are fixedly arranged at the tops of the two circuit breakers, and a heat dissipation structure is fixedly arranged at the bottom of the mounting plate. According to the dual-power-supply change-over switch, through the effect of the sealing structure, the relative sealing of the fixing screw is kept under the effect of the sealing ring, so that accidental loosening of the fixing screw can be avoided, corrosion of the fixing screw can be avoided, normal use of the circuit breaker is further affected, gaps between the wires and the mounting frame can be filled by air bag expansion, the sealing effect between the wires and the circuit breaker is further improved, the waterproof performance of the circuit breaker is further improved, and the practicability of the dual-power-supply change-over switch is further improved.

Inventors

  • WANG HONG
  • WANG DACHENG
  • LI HONGLIANG
  • LI BO
  • ZHANG PENGCHENG

Assignees

  • 滨州市宏诺新材料有限公司

Dates

Publication Date
20260508
Application Date
20250313

Claims (6)

  1. 1. The dual-power change-over switch comprises a mounting plate (1) and is characterized in that a converter (2) is fixedly arranged in the middle of the top end of the mounting plate (1), a knob (3) is fixedly arranged at the top end of the converter (2), circuit breakers (4) are fixedly arranged at the left and right positions of the top end of the mounting plate (1), sealing structures (5) are fixedly arranged at the tops of the two circuit breakers (4), and a heat dissipation structure (6) is fixedly arranged at the bottom of the mounting plate (1).
  2. 2. The dual-power-supply change-over switch of claim 1, wherein the sealing structure (5) comprises two mounting frames (51), sealing rings (53) are fixedly connected to the bottom ends of the tops of the two mounting frames (51), the two sealing rings (53) are respectively located outside fixing screws of the tops of the mounting frames (51), bolts (52) are respectively connected to the left and right positions of the tops of the two mounting frames (51) in a threaded mode, and the outer walls of the four bolts (52) are respectively fixedly connected with four corners of the tops of the circuit breakers (4).
  3. 3. The dual-power switch as claimed in claim 2, wherein the middle parts of the two mounting frames (51) far away from each other are fixedly connected with a plurality of round boxes (54), and the inside of each round box (54) is fixedly connected with an air bag (55).
  4. 4. The dual-power switch of claim 3, wherein the tops of the two mounting frames (51) are fixedly connected with a support (57), the top of the support (57) is fixedly connected with a rectangular box (58), the interior of the rectangular box (58) is slidably connected with a piston plate (59), the top of the piston plate (59) is rotationally connected with a screw rod (510), the top of the screw rod (510) is fixedly connected with a handle (511), the bottom of the rectangular box (58) is fixedly connected with an air pipe (56), the bottom of the air pipe (56) extends out of the bottom of the top of the support (57), the bottom of the air pipe (56) penetrates into the interior of the round box (54), and the bottom of the air pipe (56) is fixedly connected with the top of the outer wall of the air bag (55).
  5. 5. The dual-power switch of claim 1, wherein the heat dissipation structure (6) comprises heat dissipation fins (61), the top ends of the heat dissipation fins (61) are fixedly connected with the bottom end of the mounting plate (1), two round rods (67) are fixedly connected to the opposite surfaces of the left part and the right part of the mounting plate (1), scraping plates (62) are slidably connected to the outer walls of the two round rods (67), and the tops of the scraping plates (62) are slidably connected with the outer walls of the heat dissipation fins (61).
  6. 6. The dual-power switch of claim 5, wherein the left and right positions of the bottom of the mounting plate (1) are fixedly connected with rotating rods (66), the right sides of the scrapers (62) are fixedly connected with lifting ropes (63), the outer walls of the right parts of the lifting ropes (63) are overlapped with the outer walls of the rotating rods (66), the right ends of the lifting ropes (63) are fixedly connected with fixing rings (64), the right sides of the circuit breakers (4) are fixedly connected with hooks (65), the outer walls of the hooks (65) are movably sleeved with the inner parts of the fixing rings (64), the outer parts of the right ends of the two round rods (67) are movably sleeved with springs (68), the left ends of the two springs (68) are fixedly connected with the front and rear positions of the right sides of the scrapers (62), and the right ends of the two springs (68) are fixedly connected with the left sides of the front and rear positions of the right parts of the mounting plate (1).

Description

Dual-power change-over switch Technical Field The utility model relates to the technical field of power switches, in particular to a dual-power-supply change-over switch. Background The double-power-supply change-over switch is a switch device capable of automatically switching to another power supply when power failure occurs due to reasons, and is widely applied to important places which do not allow power failure, such as high-rise buildings, communities, hospitals, airports, wharfs, fire protection, metallurgy, chemical industry, spinning and the like. For example, chinese patent publication No. CN205508653U discloses a dual-power switch, which comprises an operating mechanism, a motor, a common breaker and a standby breaker, wherein the operating mechanism comprises a rotating part and an operating rod linked with the rotating part, the side surface of the common breaker and the standby breaker, far away from the motor, is provided with a micro switch, the operating rod is provided with a stirring part stirring the micro switch, the rotating part is driven by the motor to rotate, at the moment, the operating rod is enabled to turn back and forth, the micro switch is arranged on the side surface of the common breaker and the side surface of the standby breaker, when the operating rod turns back and forth, the stirring part is driven by the operating rod to realize the opening and closing of the micro switch, the micro switch is arranged on the side surface of the common breaker and the side surface of the standby breaker, no matter the micro switch is convenient to install or detach, the related parts are fewer, the stirring part has good touching effect on the micro switch, the stirring accuracy of the micro switch is ensured, and the operation stability is higher. The following problems exist in the prior art: In the actual use process, under partial unexpected conditions, moisture may infiltrate into the inside of the switch, and thus electrical components may be shorted out, failed in insulation, or corroded, thereby causing electrical faults. These faults may include current anomalies, switch rejection or malfunction, etc., severely affecting the reliability and stability of the dual power switch. Disclosure of utility model The present utility model provides a dual power switch to solve the above-mentioned problems in the prior art. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model provides a dual supply change over switch, includes the mounting panel, the middle part fixed mounting on mounting panel top has the converter, the top fixed mounting of converter has the knob, the equal fixed mounting in position has the circuit breaker about the mounting panel top, two the equal fixed mounting in top of circuit breaker has seal structure, the bottom fixed mounting of mounting panel has heat radiation structure. Preferably, the sealing structure comprises two mounting frames, wherein the bottom ends of the top of the mounting frames are fixedly connected with sealing rings, the sealing rings are respectively located outside fixing screws at the top of the mounting frames, bolts are respectively connected with the left and right positions of the top of the mounting frames in a threaded mode, and the outer walls of the bolts are respectively fixedly connected with the four corners of the top of the circuit breaker. Preferably, two the middle part that one side was kept away from mutually to the mounting bracket is all fixedly connected with a plurality of circle boxes, the inside of circle box is all fixedly connected with gasbag. Preferably, two equal fixedly connected with support in top of mounting bracket, the top fixedly connected with rectangle box of support, the inside sliding connection of rectangle box has the piston board, the top of piston board rotates and is connected with the lead screw, the top fixedly connected with handle of lead screw, the bottom fixedly connected with trachea of rectangle box, the bottom at support top is extended to tracheal bottom, tracheal bottom runs through to the inside of circle box, tracheal bottom and the top fixed connection of gasbag outer wall. Preferably, the heat radiation structure comprises a heat radiation fin, the top end of the heat radiation fin is fixedly connected with the bottom end of the mounting plate, two round rods are fixedly connected with the opposite surfaces of the left part and the right part of the mounting plate, the outer walls of the two round rods are slidably connected with scraping plates, and the top of each scraping plate is slidably connected with the outer wall of the heat radiation fin. Preferably, the left and right positions of the bottom of the mounting plate are fixedly connected with a rotating rod, the right side of the scraping plate is fixedly connected with a lifting rope, the outer wall of the right part of the lifting rope is overlapped with the