Outage automatic reset overload protector

Abstract

The utility model relates to the technical field of overload protectors, in particular to a power-off automatic reset overload protector, which comprises a wire breaker, a wiring port, a connecting port and an adjusting device, the wiring port is arranged on the surface of the wire breaker, the connecting port is arranged on the surface of the wire breaker, a sensor is arranged in the wire breaker, and the adjusting device is arranged on the surface of the wire breaker. The adjusting device is arranged on the surface of the thread breaker, the adjusting device comprises supporting blocks, the two supporting blocks are fixedly connected with the surface of the thread breaker, the two supporting blocks are linearly arranged, and two guide rods are fixedly connected between the two supporting blocks. According to the utility model, through the arrangement of the adjusting device, a worker can adjust the electric brake effectively and conveniently, and when the power-off protector needs to be powered on, the adjusting device is started, so that the worker does not need to use an auxiliary tool to get close to the power-off protector and adjust the electric brake, the practicability of the adjusting device is improved, and the auxiliary property of the adjusting device is improved; the situation of electric shock of workers is reduced, and the power-on convenience of the overload protector is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of overload protectors, in particular to an overload protector that automatically resets when power is off. Background Art

[0002] Overload protectors are usually called: torque retainers, over-force protectors, torque clutches, torque clutches, force limiters, axial load overload protectors, torque limiters, safety clutches, safety couplings, force limiter clutches, clutch force limiters, ball clutches, friction clutches. Function of overload protectors: Commonly used to be installed between the active and passive sides of the power transmission. When an overload fault occurs (torque exceeds the set value), the torque limiter will separate, thereby effectively protecting the drive machinery and load; common forms are: friction torque limiters and ball torque limiters. The installation structure forms of torque limiters are: shaft-shaft, shaft-flange, shaft-synchronous pulley, shaft-sprocket, shaft-gear, shaft-pulley, etc. With the development of society, overload protectors are used when wires need protection due to overload.

[0003] Existing devices such as CN202321762337, a current temperature overload protector, including a body, the upper end of the body is fixedly connected with an output end, one end of the output end is fixedly connected with a static block, the lower end of the body is fixedly connected with an input end, the upper end of the input end is fixedly connected with a heating resistor, the upper end of the heating resistor is fixedly connected with a heat conductive block, one end of the heat conductive block is fixedly connected with a moving contact piece, one end of the moving contact piece is fixedly connected with the moving block, the inner wall of the body is fixedly connected with an insulating layer, the inner wall of the insulating layer is connected with a flame retardant layer, the inner wall of the flame retardant layer is connected with a smoke sensor, the front of the body is connected with an observation window, and the front of the body near the lower end of the observation window is connected with a warning light. The utility model provides a current temperature overload protector, which has the advantages of not needing to blow the fuse, and can also perform current overload protection, automatically cut off the power, and is convenient to check and has high safety, thereby effectively solving the problems and shortcomings of the existing devices.

[0004] When the wires are in use, an overload protector is installed to prevent the wires from being damaged due to overload. However, after the overload protector cuts off the power to the circuit, workers need to manually adjust the switch of the power-off protector. The power-off protector is usually installed at a high place, which makes it inconvenient for workers to adjust the power-off protector, which in turn makes it time-consuming for workers to restore power. Utility Model Content

[0005] The utility model aims to solve the disadvantage in the prior art that the process of workers restoring power supply is relatively time-consuming, and proposes an overload protector that automatically resets when power is cut off.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a power-off automatic reset overload protector, comprising a wire breaker, a wiring port, a connection port and an adjustment device, wherein the wiring port is installed on the surface of the wire breaker, the connection port is installed on the surface of the wire breaker, a sensor is arranged inside the wire breaker, and the adjustment device is arranged on the surface of the wire breaker, the adjustment device comprises a support block, two of the support blocks are fixedly connected to the surface of the wire breaker, the two support blocks are linearly arranged, two guide rods are fixedly connected between the two support blocks, the two guide rods are symmetrically arranged, a slider is slidably connected to the surface of the guide rod, the slider is slidably connected to the surface of the wire breaker, a push bar is fixedly connected to the surface of the slider, and the push bar is L-shaped, a driving motor is fixedly connected to the surface of the wire breaker, a rotating disk is fixedly connected to the driving end of the driving motor, an adjustment bar is placed between the rotating disk and the slider, an anti-drop rod is fixedly connected to the surface of the rotating disk and the slider, the adjustment bar is rotatably connected to the surface of the anti-drop rod, and the anti-drop rod can cooperate with the rotating disk and the slider to achieve the purpose of limiting the adjustment bar.

[0007] Preferably, a battery is fixedly connected to the surface of the wire breaker, and an electric wire is installed between the battery and the drive motor. The battery can cooperate with the wire breaker, the electric wire and the drive motor to provide power for the drive motor.

[0008] Preferably, a dustproof device is provided on the surface of the wiring port, and the dustproof device includes a frame, and the frame is fixedly connected to the surface of the wire breaker, and a guide groove is opened on the surface of the frame, and a closing plate is placed on the surface of the frame, and moving blocks are fixedly connected to the surfaces on both sides of the closing plate, and the moving blocks are slidably connected to the surface of the guide groove. The frame can cooperate with the guide groove, the closing plate, and the moving block to achieve the purpose of guiding the closing plate to slide.

[0009] Preferably, two sliding rods are fixedly connected to the surface of the closing plate, the top ends of the two sliding rods are fixedly connected to support bars, the surface of the sliding rods is slidably connected to a slide plate, a push spring is fixedly connected between the slide plate and the support bar, and the sliding rod can cooperate with the closing plate, the slide plate, and the push spring to achieve the purpose of guiding the slide plate to slide.

[0010] Preferably, the surface of the slide is fixedly connected with an insertion strip, the surface of the frame is provided with a socket, the socket is communicated with the guide groove, the insertion strip is plugged into the surface of the socket, and the insertion strip can cooperate with the slide and the socket to achieve the purpose of limiting the closed plate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, by arranging the adjusting device, when the power-off protector needs to be energized, it is convenient for the worker to adjust the switch and use the equipment. The equipment achieves the purpose of protecting the wires by sensing the heat of the wires. When the overload protector is powered off for a period of time, the built-in sensor of the wire breaker will control the battery to supply power to the drive motor, and the drive motor drives the rotating disk to rotate, and the rotating disk drives the adjusting bar, and the adjusting bar pulls the slider, and the slider is guided by the guide rod, and the slider slides and drives the push bar, and the push bar adjusts the control switch of the wire breaker. By arranging the adjusting device, it is effectively convenient for the worker to adjust the switch. When the power-off protector needs to be energized, the adjusting device is started, which avoids the need for the worker to use auxiliary tools to approach the power-off protector and adjust the switch, thereby improving the practicability of the adjusting device, improving the auxiliary function of the adjusting device, reducing the possibility of electric shock to the worker, and improving the convenience of energizing the overload protector. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model provides a three-dimensional structural diagram of an overload protector that automatically resets when power is off;

[0014] Figure 2 The utility model provides a schematic diagram of the structure of an adjustment device for an overload protector that automatically resets when power is off;

[0015] Figure 3 The utility model proposes a power-off automatic reset overload protector Figure 2 Schematic diagram of the structure at A in the middle;

[0016] Figure 4 The utility model provides a schematic diagram of the structure of a dustproof device for an overload protector that automatically resets when power is off;

[0017] Figure 5 The utility model proposes a power-off automatic reset overload protector Figure 4 Schematic diagram of the structure at point B in the middle.

[0018] Legend:

[0019] 1. Wire breaker; 2. Wiring port; 3. Adjustment device; 31. Anti-drop rod; 32. Rotating disk; 33. Adjustment bar; 34. Slider; 35. Guide rod; 36. Support block; 37. Push bar; 38. Wire; 39. Battery; 4. Dustproof device; 41. Slider; 42. Support bar; 43. Push spring; 44. Closing plate; 45. Moving block; 46. Socket; 47. Guide groove; 48. Frame; 49. Insertion bar; 410. Slide plate; 5. Wiring port. DETAILED DESCRIPTION

[0020] See also Figure 1-5The utility model provides a technical solution: an overload protector with automatic reset when power is off, comprising a wire breaker 1, a wiring port 2, a connection port 5 and an adjustment device 3, wherein the wiring port 2 is mounted on the surface of the wire breaker 1, the connection port 5 is mounted on the surface of the wire breaker 1, a sensor is arranged inside the wire breaker 1, and the adjustment device 3 is arranged on the surface of the wire breaker 1.

[0021] The specific settings and functions of the adjustment device 3 and the dust prevention device 4 are described in detail below.

[0022] In this embodiment: the adjusting device 3 includes a supporting block 36, two supporting blocks 36 are fixedly connected to the surface of the wire breaker 1, the two supporting blocks 36 are arranged linearly, two guiding rods 35 are fixedly connected between the two supporting blocks 36, the two guiding rods 35 are symmetrically arranged, the surface of the guiding rod 35 is slidably connected with a slider 34, the slider 34 is slidably connected to the surface of the wire breaker 1, the surface of the slider 34 is fixedly connected with a push bar 37, the push bar 37 is L-shaped, the surface of the wire breaker 1 is fixedly connected with a driving motor, the driving end of the driving motor is fixedly connected with a rotating disk 32, and an adjusting bar 33 is placed between the rotating disk 32 and the slider 34.

[0023] Specifically, the surfaces of the rotating disk 32 and the slider 34 are fixedly connected with the anti-slip rod 31, and the adjustment bar 33 is rotatably connected to the surface of the anti-slip rod 31. The anti-slip rod 31 can cooperate with the rotating disk 32 and the slider 34 to achieve the purpose of limiting the adjustment bar 33.

[0024] Specifically, a battery 39 is fixedly connected to the surface of the wire breaker 1, and an electric wire 38 is installed between the battery 39 and the driving motor.

[0025] In this embodiment: the storage battery 39 can cooperate with the disconnector 1, the wire 38, and the drive motor to provide power for the drive motor.

[0026] In this embodiment: a dustproof device 4 is provided on the surface of the wiring port 2, and the dustproof device 4 includes a frame 48, which is fixedly connected to the surface of the wire breaker 1, and a guide groove 47 is provided on the surface of the frame 48. A closing plate 44 is placed on the surface of the frame 48, and moving blocks 45 are fixedly connected to the surfaces on both sides of the closing plate 44, and the moving blocks 45 are slidably connected to the surface of the guide groove 47. The frame 48 can cooperate with the guide groove 47, the closing plate 44, and the moving block 45 to achieve the purpose of guiding the closing plate 44 to slide.

[0027] Specifically, a dustproof device 4 is provided on the surface of the wiring port 2, and the dustproof device 4 includes a frame 48, which is fixedly connected to the surface of the wire breaker 1, and a guide groove 47 is provided on the surface of the frame 48. A closing plate 44 is placed on the surface of the frame 48, and moving blocks 45 are fixedly connected to the surfaces on both sides of the closing plate 44, and the moving blocks 45 are slidably connected to the surfaces of the guide grooves 47.

[0028] In this embodiment, the frame 48 can cooperate with the guide groove 47, the closing plate 44, and the moving block 45 to achieve the purpose of guiding the closing plate 44 to slide.

[0029] Specifically, two sliding rods 41 are fixedly connected to the surface of the closing plate 44, the top ends of the two sliding rods 41 are fixedly connected to support bars 42, a slide plate 410 is slidably connected to the surface of the sliding rod 41, a push spring 43 is fixedly connected between the slide plate 410 and the support bar 42, and the sliding rod 41 can cooperate with the closing plate 44, the slide plate 410, and the push spring 43 to achieve the purpose of guiding the slide plate 410 to slide.

[0030] Specifically, an inserting strip 49 is fixedly connected to the surface of the slide plate 410 , a socket 46 is provided on the surface of the frame 48 , the socket 46 is communicated with the guide groove 47 , and the inserting strip 49 is plugged into the surface of the socket 46 .

[0031] In this embodiment, the inserting strip 49 can cooperate with the slide plate 410 and the socket 46 to achieve the purpose of limiting the closing plate 44 .

[0032] Working principle: By setting the adjustment device 3, when the power-off protector needs to be energized, it is convenient for the worker to adjust the switch and use the equipment. The equipment achieves the purpose of protecting the wire 38 by sensing the heat of the wire 38. When the overload protector is powered off for a period of time, the built-in sensor of the disconnector 1 will control the battery 39 to supply power to the drive motor, and the drive motor drives the rotating disk 32 to rotate, and the rotating disk 32 drives the adjustment bar 33. The adjustment bar 33 pulls the slider 34. The slider 34 is guided by the guide rod 35. The slider 34 slides and drives the push bar 37. The push bar 37 adjusts the control switch of the disconnector 1. By setting the adjustment device 3, it is effectively convenient for the worker to adjust the switch. When the power-off protector needs to be energized, the adjustment device 3 is started, which avoids the need for the worker to use auxiliary tools to approach the power-off protector and adjust the switch, thereby improving the practicability of the adjustment device 3, improving the auxiliary function of the adjustment device 3, and reducing the risk of the worker being touched The situation of electricity improves the convenience of powering on the overload protector. In addition, by setting the dustproof device 4, when the wire 38 is connected to the disconnector 1, dust is reduced from falling into the wiring port 2. The device is used, and the device protects the wire 38 by sensing the heat of the wire 38, and pushes the closing plate 44. The moving blocks 45 on both sides of the closing plate 44 are guided by the guide groove 47. The closing plate 44 blocks the wiring port 2, and the slide plate 410 is released. The push spring 43 pushes the slide plate 410, and the slide plate 410 pushes the insertion strip 49. The insertion strip 49 is inserted into the socket 46 on the surface of the frame 48. By setting the dustproof device 4, dust is effectively reduced from falling into the wiring port 2. When the wire 38 is connected to the disconnector 1, the dustproof device 4 is adjusted to avoid the situation where the wire 38 and the wiring port 2 have poor contact due to dust, thereby improving the practicability of the dustproof device 4, improving the auxiliary function of the dustproof device 4, and reducing the situation where the overload protector has poor contact.

Claims

1. An overload protector with automatic reset upon power failure, comprising a disconnector (1), a wiring port (2), a connection port (5) and an adjustment device (3), characterized in that: The wiring port (2) is mounted on the surface of the wire breaker (1), the connection port (5) is mounted on the surface of the wire breaker (1), a sensor is arranged inside the wire breaker (1), the adjustment device (3) is arranged on the surface of the wire breaker (1), the adjustment device (3) comprises a support block (36), two support blocks (36) are fixedly connected to the surface of the wire breaker (1), the two support blocks (36) are linearly arranged, and two guide rods (35) are fixedly connected between the two support blocks (36). The two guide rods (35) are symmetrically arranged, the surfaces of the guide rods (35) are slidably connected to a slider (34), the slider (34) is slidably connected to the surface of the wire breaker (1), the surface of the slider (34) is fixedly connected to a push bar (37), the push bar (37) is L-shaped, the surface of the wire breaker (1) is fixedly connected to a drive motor, the drive end of the drive motor is fixedly connected to a rotating disk (32), and an adjustment bar (33) is placed between the rotating disk (32) and the slider (34).

2. The overload protector according to claim 1, characterized in that: The surfaces of the rotating disk (32) and the sliding block (34) are both fixedly connected with an anti-slip rod (31), and the adjusting bar (33) is rotatably connected to the surface of the anti-slip rod (31).

3. The overload protector according to claim 1, characterized in that: A storage battery (39) is fixedly connected to the surface of the wire breaker (1), and an electric wire (38) is installed between the storage battery (39) and the drive motor.

4. The overload protector according to claim 1, characterized in that: The surface of the wiring port (2) is provided with a dustproof device (4), the dustproof device (4) comprising a frame (48), the frame (48) being fixedly connected to the surface of the wire breaker (1), the surface of the frame (48) being provided with a guide groove (47), the surface of the frame (48) being provided with a closing plate (44), the surfaces of both sides of the closing plate (44) being fixedly connected with moving blocks (45), the moving blocks (45) being slidably connected to the surfaces of the guide grooves (47).

5. The overload protector according to claim 4, characterized in that: Two sliding rods (41) are fixedly connected to the surface of the closing plate (44), the top ends of the two sliding rods (41) are fixedly connected to support bars (42), a sliding plate (410) is slidably connected to the surface of the sliding rod (41), and a pushing spring (43) is fixedly connected between the sliding plate (410) and the support bar (42).

6. The overload protector according to claim 5, characterized in that: The surface of the slide plate (410) is fixedly connected with an insertion strip (49), the surface of the frame (48) is provided with a socket (46), the socket (46) is communicated with the guide groove (47), and the insertion strip (49) is plugged into the surface of the socket (46).

Images