Electrical safety protection device

Abstract

The utility model discloses an electrical safety protection device, which drives a bidirectional screw rod to rotate by rotating a turntable, so that nut sliding blocks can be close to each other or far away from each other, and when the two nut sliding blocks are close to each other, an assembly plate can be moved downwards through a connecting rod, so that a conductive conical column is inserted into the ground. The connection with the ground is firmer; and through the two cooling fans, one cooling fan sucks outside air, and the other cooling fan sucks away air in the protection box, so that the air flow speed in the protection box can be greatly increased, and redundant heat of the protection box can be taken away conveniently. The grounding assembly is not influenced by the height of the wheel and the concave-convex degree of the ground, the adjustable range of the conducting rod is large, and the extension length of the conducting rod can be increased or reduced according to the ground with different concave-convex degrees.

Description

Technical Field

[0001] The utility model relates to an electrical safety protection device, belonging to the technical field of electrical safety. Background Art

[0002] Electricity has brought great convenience to our daily life and production, but it may also cause harm to us while bringing us convenience, and the damage to the human body caused by electric shock is mostly irreversible. Therefore, electricity safety has always been a hot topic of concern. At present, for the sake of electricity safety, people usually use various distribution boxes to control and distribute electricity. However, when the distribution device in the prior art performs power distribution work outdoors, the internal parts are often damaged due to excessive temperature. In addition, the distribution device in the prior art often requires workers to manually connect the ground wire when working, which not only increases the workload of workers, but also reduces work efficiency.

[0003] Chinese utility model patent CN218415352U discloses an electrical self-control safety device, which includes a box body, a limit slide groove is vertically provided inside the lower end of the box body, a limit slider is slidably connected inside the limit slide groove, a micro motor is fixedly installed inside the lower end of the insulating baffle, a driving screw is fixedly installed at the output end of the micro motor, a horizontal connecting rod is rotatably connected inside the limit slider, and a conductive rod is fixedly installed at the right end of the horizontal connecting rod. This electrical self-control safety device, through the mutual cooperation between the limit slider and the conductive rod, when the micro motor is working, the limit slider will move downward under the action of the driving screw, and after the limit slider moves downward, it will contact with the bottom rotating wheel and limit its rotation. In addition, after the limit slider moves downward, the conductive rod contacts the ground, thereby achieving the effect of enabling the device to be automatically grounded, which can greatly improve the safety of the device.

[0004] In response to the above problems, although the device improves its safety in use by having the conductive rod in contact with the ground, some ground may sink slightly after raining, changing its original landform shape. Since the above-mentioned patented limit slider may contact the bottom rotating wheel, the adjustable range of the conductive rod may be affected. This may cause the bottom end of the conductive rod to fail to contact the ground when encountering uneven ground, and it may not be able to contact the ground well, thus affecting the use effect and safety of the device. Utility Model Content

[0005] The utility model aims to solve the above technical problems and provide an electrical safety protection device which has a large upward and downward travel adjustment range of a conductive rod, is not affected by uneven ground conditions, and has better safety.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] An electrical safety protection device comprises a chassis, a box is arranged on the upper side of the chassis, a movable door is arranged on one side of the box, a wheel is arranged on the lower side of the chassis, and also comprises a grounding component, the grounding component comprises a conductive rod extending downward from the inside of the box along the height direction of the box to the outside of the box, a bidirectional screw rod is arranged inside the box and is rotatably connected to the side wall of the box, and a first slider and a second slider are respectively threadedly connected on two independent threaded sections of the bidirectional screw rod; the lower parts of the first slider and the second slider are both hingedly provided with a connecting rod extending in the direction of the conductive rod and hinged to the conductive rod; a limit rod for limiting the rotation of the first slider and the second slider on the bidirectional screw rod is arranged inside the box; one end of the bidirectional screw rod extends to the outside of the box, and a turntable for driving the bidirectional screw rod to rotate is arranged; a brake stop component for pressing against the wheel to prevent the wheel from rotating when the conductive rod extends into the ground is arranged on the lower side of the chassis.

[0008] Therefore, the utility model drives the bidirectional screw rod to rotate by rotating the turntable, so that the first slider and the second slider can be moved closer to or farther away from each other. When the first and second sliders are close to each other, the conductive rod can be moved downward through the connecting rod, so that the conductive rod can be inserted into the ground, so that it is connected to the ground below and is more firmly connected. The grounding component of the utility model is not affected by the wheel height and the unevenness of the ground. The conductive rod has a large adjustable range, and the extended length of the conductive rod can be increased or decreased for grounds with different unevenness.

[0009] According to the embodiments of the present invention, the present invention can be further optimized. The following is the technical solution formed after optimization:

[0010] In order to facilitate the use of the entire device, the utility model uses the linkage between the conductive rod and the brake assembly, so that when the conductive rod is extended, the brake assembly has a braking effect on the wheel, and when the conductive rod is retracted, the brake assembly releases the braking effect; in a specific embodiment, the brake assembly includes a mounting groove fixedly arranged below the chassis, and a slide bar is slidably connected in the mounting groove; when the slide bar is extended, one end of the slide bar extends horizontally to the path where the conductive rod moves vertically downward; the other end of the slide bar is connected to a cross bar, and the two ends of the cross bar extend to the rear side of the wheel respectively; an elastic member is arranged between the slide bar and the inner wall of the mounting groove. When the conductive rod is extended downward, the conductive rod will squeeze the slide bar to one side of the wheel, so that the cross bar at the other end of the slide bar contacts the wheel, achieving the braking effect; when the conductive rod is retracted, the cross bar will retract to the initial position under the action of the elastic member, thereby releasing the braking effect.

[0011] In a specific embodiment, a connecting rod is fixedly connected between one end of the sliding rod inside the mounting groove and the cross rod, one end of the connecting rod is connected to the sliding rod, and the other end extends to the outside of the mounting groove and is fixedly connected to the cross rod; the elastic member is sleeved on the outside of the connecting rod.

[0012] In order to make the sliding rod contact better with the conductive rod and increase the limiting effect of the cross bar on the wheel, in a specific embodiment, an inclined surface is provided on the upper surface of the end of the sliding rod that contacts the conductive rod; the distance between the cross bar and the mounting groove is smaller than the radius of the conductive rod and larger than the distance between the cross bar and the wheel.

[0013] In order to facilitate the cross bar to contact the wheel more stably, in a specific embodiment, reinforcement grooves are provided on both sides of the installation groove, and a docking slider is slidably connected inside each of the reinforcement grooves, and an auxiliary rod is fixedly connected to one side of the docking slider between the cross bars.

[0014] In order to make the first and second sliders run more stably, in a specific embodiment, the limit rod has the same extension direction as the bidirectional screw rod, is arranged on both sides of the bidirectional screw rod, and is slidably connected to the first slider and the second slider.

[0015] In order to increase safety, in a specific embodiment, the upper end of the connecting rod is hinged to the first slider or the second slider, the lower end of the connecting rod extends to the top of the conductive rod, and is hinged to the top of the conductive rod through an assembly plate; an insulating base is provided between the assembly plate and the conductive rod.

[0016] In a specific embodiment, a rain shield is provided on the top of the box; cooling fans are fixedly installed inside the side walls of both sides of the box, and a dust cover is fixedly connected to the outside of the cooling fan; and a handle is fixedly connected to the movable door.

[0017] In a specific embodiment, a partition for dividing the internal space of the box is provided inside the box, an electrical controller is provided on the partition, and a threading hole for routing the electrical controller is opened on the partition.

[0018] In a specific embodiment, an infrared temperature probe is fixedly installed on the top of the inner wall of the protection box. The electrical controller is used to control the operation of each circuit, and the infrared temperature probe is used to monitor the abnormally high temperature inside the protection box. If a fire fault is determined, an alarm will be immediately issued and the control center of the power supply station will be notified to disconnect the power transmission here to prevent the accident from further expanding.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1) The electrical safety protection device of the utility model drives the bidirectional screw rod to rotate by rotating the turntable, so that the first and second sliders can be moved closer to or farther away from each other. When the two sliders are close to each other, the assembly plate can be moved downward through the connecting rod, so that the conductive rod can be inserted into the ground, so that it is connected to the ground and is more firmly connected; through the linkage between the conductive rod and the brake assembly, when the conductive rod is extended, the brake assembly brakes the wheel, and when the conductive rod is retracted, the brake assembly releases the braking effect, and at the same time does not limit the movement range of the conductive rod.

[0021] 2) The grounding component of the electrical safety protection device of the utility model is not affected by the wheel height and the unevenness of the ground. The conductive rod has a large adjustable range, and the extended length of the conductive rod can be increased or decreased according to the ground with different unevenness.

[0022] 3) The electrical safety protection device of the utility model can greatly speed up the air flow rate inside the protection box through two cooling fans, one for sucking in outside air and the other for extracting air from the protection box, so as to take away the excess heat of the protection box; the safety of the device is increased by setting an infrared temperature probe. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0024] Figure 2 It is the front view of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the grounding component of the utility model;

[0026] Figure 4 It is a structural diagram of the interior of the box of the utility model;

[0027] Figure 5 It is a partial structural stereoscopic schematic diagram of the utility model;

[0028] Figure 6 yes Figure 5 A partial enlarged view of point A in the middle.

[0029] In the figure

[0030] 1- chassis; 2- box; 21- protection box; 22- movable door; 23- rain shield; 24- dust cover; 25- handle; 26- partition; 27- electrical controller; 28- infrared temperature probe; 29- threading hole; 210- cooling fan; 3- grounding assembly; 31- bidirectional screw; 32- first slider; 33- limit rod; 34- connecting rod; 35- assembly plate; 36- insulating base; 37- conductive rod; 38- turntable; 39- second slider; 4- brake assembly; 41- mounting groove; 42- slide rod; 43- reinforcement groove; 44- docking slider; 45- cross bar; 46- auxiliary rod; 47- connecting rod; 48- elastic member; 5- wheel. DETAILED DESCRIPTION

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear in the following text, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0032] like Figure 1-Figure 6 As shown, the electrical safety protection device of this embodiment includes a chassis 1, a box body 2 is arranged on the upper side of the chassis 1, a movable door 22 is arranged on one side of the box body 2, the box body includes a protection box 21, the protection box 21 is fixedly connected above the chassis 1, a rain shield 23 is arranged on the top of the box body 2, the rain shield 23 can make rainwater slide down along the arc to prevent water from seeping into the protection box 21; cooling fans 210 are fixedly installed inside the side walls of both sides of the box body 2, and a dust cover 24 is fixedly connected to the outer side of the cooling fan 210; a handle 25 is fixedly connected to the movable door 22; wheels 5 are arranged on the lower side of the chassis 1.

[0033] The box 2 is provided with a partition 26 for dividing the internal space of the box 2. The partition 26 is provided with an electrical controller 27. The partition 26 is provided with a threading hole 29 for routing the electrical controller 27. An infrared temperature probe 28 is fixedly mounted on the top of the inner wall of the box 2.

[0034] The electrical controller 27 is used to control the operation of each circuit, and the infrared temperature probe 28 is used to monitor the abnormally high temperature inside the protection box 21. If a fire fault is determined to have occurred, an alarm will be immediately issued and the control center of the power supply station will be notified to disconnect the power transmission here to prevent the accident from further expanding. The wire threading hole 29 is used for various wires to pass through. Through two cooling fans 210, one to suck in the outside air and the other to extract the air in the protection box 21, the air flow rate inside the protection box 21 can be greatly accelerated, so as to take away the excess heat of the protection box 21 to achieve a heat dissipation effect.

[0035] The electrical safety protection device of this embodiment further includes a grounding component 3 and a brake component 4 disposed below the chassis 1 .

[0036] Grounding components

[0037] like Figure 3-Figure 4 As shown, the grounding component 3 includes a conductive rod 37 extending downward from the inside of the box body 2 along the height direction of the box body 2 to the outside of the box body 2, and a bidirectional screw rod 31 is arranged inside the box body 2 and is rotatably connected to the side wall of the box body 2, and the two independent threaded sections of the bidirectional screw rod 31 are respectively threadedly connected to the first slider 32 and the second slider 39; the lower parts of the first slider 32 and the second slider 39 are both hingedly provided with a connecting rod 34 extending in the direction of the conductive rod 37 and hinged to the conductive rod 37; the upper end of the connecting rod 34 is hinged to the first slider 32 or the second slider 39, and the lower end of the connecting rod 34 extends to the top of the conductive rod 37, and is hinged to the top of the conductive rod 37 through an assembly plate 35; an insulating base 36 is arranged between the assembly plate 35 and the conductive rod 37.

[0038] A limit rod 33 is provided inside the box body 2 for limiting the rotation of the first slider 32 and the second slider 39 on the bidirectional screw rod 31; the limit rod 33 has the same extension direction as the bidirectional screw rod 31 and is provided on both sides of the bidirectional screw rod 31, and the limit rod 33 passes through the first slider 32 and the second slider 39 and the first slider 32 and the second slider 39 are slidably connected.

[0039] One end of the bidirectional screw rod 31 extends to the outside of the box body 2 , and a rotating disk 38 is provided for driving the bidirectional screw rod 31 to rotate.

[0040] By rotating the turntable 38, the bidirectional screw rod 31 can be rotated, so that the first slider 32 and the second slider 39 can be moved closer to or farther away from each other. When the first slider 32 and the second slider 39 are close to each other, the assembly plate 35 can be moved downward through the connecting rod 34, so that the conductive rod 37 is inserted into the ground, so that it is connected to the ground and is more secure; when the turntable 38 is rotated in the opposite direction, the first slider 32 and the second slider 39 are moved away from each other, so that the conductive rod is pulled out of the ground. The insulating base 36 has an insulating effect to prevent other parts from being charged, and the limit rod 33 is used to prevent the first slider 32 and the second slider 39 from rotating, so that the bidirectional screw rod 31 can be connected to the inner wall of the protection box 21 through the bearing seat.

[0041] Brake components

[0042] like Figure 4-Figure 6As shown, in order to facilitate the use of the entire device, the utility model links the conductive rod with the brake assembly so that when the conductive rod is extended, the brake assembly brakes the wheel, and when the conductive rod is retracted, the brake assembly releases the braking effect; the lower side of the chassis 1 is provided with a brake assembly 4 for pressing against the wheel 5 to prevent the wheel 5 from rotating when the conductive rod 37 is extended into the ground.

[0043] The brake assembly 4 includes a mounting groove 41 fixedly arranged below the chassis 1, and a slide bar 42 is slidably connected in the mounting groove 41; when the slide bar 42 is extended, one end of the slide bar 42 extends horizontally to the path of the vertical downward movement of the conductive rod 37; the other end of the slide bar 42 is connected to a cross bar 45, and the two ends of the cross bar 45 extend to the rear side of the wheel 5 respectively; an elastic member 48 is arranged between the slide bar 42 and the inner wall of the mounting groove 41, and the elastic member 48 in this embodiment is a spring. A connecting rod 47 is fixedly connected between one end of the slide bar 42 inside the mounting groove 41 and the cross bar 45, one end of the connecting rod 47 is connected to the slide bar 42, and the other end extends to the outside of the mounting groove 41 and is fixedly connected to the cross bar 45; the elastic member 48 is sleeved on the outside of the connecting rod 47.

[0044] An inclined surface is provided on the upper surface of one end of the sliding rod 42 that contacts the conductive rod 37; the distance between the cross bar 45 and the mounting groove 41 is smaller than the radius of the conductive rod 37 and larger than the distance between the cross bar 45 and the wheel 5; reinforcement grooves 43 are provided on both sides of the mounting groove 41, and each reinforcement groove 43 is slidably connected with a docking slider 44, and one side of the docking slider 44 is fixedly connected with an auxiliary rod 46 between the cross bars 45.

[0045] When the conductive rod 37 moves downward, it squeezes the slide bar 42 to move toward one side of the wheel 5. The slide bar 42 then drives the cross bar 45 to move toward one side of the wheel 5 through the reciprocating long rod 47, so that the two ends of the cross bar 45 are close to the wheel 5 of the cart chassis 1, and the wheel 5 is locked to prevent it from rotating and fix it; when the conductive rod 37 is pulled out, the slide bar 42 is no longer squeezed, and the elastic force of the elastic member 48 resets the slide bar 42, thereby causing the two ends of the cross bar 45 to break away from the contact with the wheel to release the restriction.

[0046] In this embodiment, all electrical devices are powered by an external power supply.

[0047] In actual application, by rotating the turntable 38 to drive the bidirectional lead screw 31 to rotate, the first slider 32 and the second slider 39 can be moved closer to or away from each other. When the first slider 32 and the second slider 39 are close to each other, the assembly plate 35 can be moved downward through the connecting rod 34, so that the conductive rod 37 is inserted into the ground, so that it is connected to the ground below and is more secure. The insulating base 36 has an insulating effect to prevent other components from being electrified. The limit rod 33 is used to prevent the first slider 32 and the second slider 39 from rotating. The rain shield 23 can make rainwater slide down the arc to prevent water from seeping into the protection box 21. The bidirectional lead screw 31 can be rotatably connected to the inner wall of the protection box 21 through the bearing seat. The electrical controller 27 is used to control the operation of each circuit. The infrared temperature probe 28 is used to monitor the abnormally high temperature inside the protection box 21. Temperature; if it is determined that a fire fault has occurred, an alarm will be immediately issued and the control center of the power supply station will be notified, and the power transmission here will be disconnected to prevent the accident from further expanding. The threading hole 29 is used for various wires to pass through. Through two cooling fans 210, one sucks in the outside air and the other draws out the air in the protection box 21, the air flow rate inside the protection box 21 can be greatly accelerated, so as to take away the excess heat of the protection box 21 to achieve the heat dissipation effect. When the conductive rod 37 moves downward, it will squeeze the slide bar 42 to move, and the slide bar 42 will then drive the cross bar 45 forward through the reciprocating long rod 47 so that the two ends are close to the wheels of the cart chassis 1 and lock it, which can prevent it from rotating and fix it. When the conductive rod 37 is pulled out, the slide bar 42 is no longer squeezed, and the slide bar 42 is reset under the elastic force of the spring 48, so that the two ends of the cross bar 45 are out of contact with the wheels to release the restriction.

[0048] The contents explained in the above embodiments should be understood as these embodiments are only used to more clearly illustrate the present invention, and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art fall within the scope defined by the claims attached to this application.

Claims

1. An electrical safety protection device, comprising a chassis (1), a box (2) arranged on the upper side of the chassis (1), a movable door (22) arranged on one side of the box (2), a wheel (5) arranged on the lower side of the chassis (1), and a grounding component (3), the grounding component (3) comprising a conductive rod (37) extending downward from the inside of the box (2) along the height direction of the box (2) to the outside of the box (2), characterized in that: A bidirectional screw rod (31) is disposed inside the box body (2) and is rotatably connected to a side wall of the box body (2); two independent threaded sections of the bidirectional screw rod (31) are respectively threadedly connected to a first slider (32) and a second slider (39); a connecting rod (34) is hingedly disposed at the lower parts of the first slider (32) and the second slider (39) and extends in the direction of the conductive rod (37) and is hingedly connected to the conductive rod (37); a limiting rod (33) is disposed inside the box body (2) and is used to limit the rotation of the first slider (32) and the second slider (39) on the bidirectional screw rod (31); one end of the bidirectional screw rod (31) extends to the outside of the box body (2) and is provided with a rotating disk (38) for driving the bidirectional screw rod (31) to rotate; A brake assembly (4) is provided on the lower side of the chassis (1) for pressing against the wheel (5) to prevent the wheel (5) from rotating when the conductive rod (37) extends into the ground.

2. The electrical safety protection device according to claim 1, characterized in that: The brake assembly (4) comprises a mounting groove (41) fixedly arranged below the chassis (1), and a slide rod (42) is slidably connected in the mounting groove (41); when the slide rod (42) is extended, one end of the slide rod (42) extends in the horizontal direction to the path of the vertical downward movement of the conductive rod (37); the other end of the slide rod (42) is connected to a cross rod (45), and both ends of the cross rod (45) extend to the rear side of the wheel (5); an elastic member (48) is provided between the slide rod (42) and the inner wall of the mounting groove (41).

3. The electrical safety protection device according to claim 2, characterized in that: A connecting rod (47) is fixedly connected between one end of the sliding rod (42) located inside the mounting groove (41) and the cross rod (45); one end of the connecting rod (47) is connected to the sliding rod (42), and the other end extends to the outside of the mounting groove (41) and is fixedly connected to the cross rod (45); the elastic member (48) is sleeved on the outside of the connecting rod (47).

4. The electrical safety protection device according to claim 2, characterized in that: An inclined surface is provided on the upper surface of one end of the sliding rod (42) in contact with the conductive rod (37); the distance between the cross bar (45) and the mounting groove (41) is smaller than the radius of the conductive rod (37) and larger than the distance between the cross bar (45) and the wheel (5).

5. The electrical safety protection device according to claim 2, characterized in that: Reinforcement grooves (43) are provided on both sides of the installation groove (41), each of the reinforcement grooves (43) is slidably connected to a docking slider (44), and one side of the docking slider (44) is fixedly connected to an auxiliary rod (46) between the cross bars (45).

6. The electrical safety protection device according to claim 1, characterized in that: The limiting rod (33) extends in the same direction as the bidirectional screw rod (31), is arranged on both sides of the bidirectional screw rod (31), and is slidably connected to the first sliding block (32) and the second sliding block (39).

7. The electrical safety protection device according to any one of claims 1 to 6, characterized in that: The upper end of the connecting rod (34) is hinged to the first slider (32) or the second slider (39), and the lower end of the connecting rod (34) extends to the top of the conductive rod (37) and is hinged to the top of the conductive rod (37) through an assembly plate (35); an insulating base (36) is provided between the assembly plate (35) and the conductive rod (37).

8. The electrical safety protection device according to any one of claims 1 to 6, characterized in that: A rain shield (23) is provided on the top of the box body (2); a cooling fan (210) is fixedly installed inside the side walls of both sides of the box body (2), and a dust cover (24) is fixedly connected to the outside of the cooling fan (210); and a handle (25) is fixedly connected to the movable door (22).

9. The electrical safety protection device according to any one of claims 1 to 6, characterized in that: An infrared temperature probe (28) is fixedly mounted on the top of the inner wall of the box (2).

10. The electrical safety protection device according to any one of claims 1 to 6, characterized in that: A partition (26) for dividing the internal space of the box (2) is arranged inside the box (2), an electrical controller (27) is arranged on the partition (26), and a threading hole (29) for routing the electrical controller (27) is opened on the partition (26).

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