Digital electric leakage detection sensor

Abstract

The utility model discloses a digital electric leakage detection sensor, which relates to the technical field of sensors and comprises a leakage current sensor body, and the upper end of the surface of the leakage current sensor body is fixedly connected with an auxiliary plate. A plurality of sets of sliding blocks are slidably connected into the auxiliary plate, worm wheels are rotatably connected to the bottoms of the sliding blocks, the worm wheels are meshed with worms, the worms are rotatably connected into the auxiliary plate, the sliding blocks move in the first cavity or the second cavity, and then the distance between the multiple sets of worms can be adjusted; the handle can drive the multiple sets of worms and the second worm to rotate at the same time, so that the multiple sets of limiting plates limit and fix the surface of the wire harness at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a digital leakage detection sensor. Background Art

[0002] Publication (announcement) number CN218767260U discloses a leakage detection sensor, including a leakage current sensor body and two groups of limiting mechanisms; each group of limiting mechanisms includes a limiting ring and at least four groups of positioning structures, and the positioning structures are evenly distributed around the circumference of the center hole of the leakage current sensor body; each group of positioning structures includes a fixed block, a first elastic member and a positioning block, and the fixed block is fixed on the leakage current sensor body.

[0003] In the above-mentioned prior art, the wire harness is fixed by multiple groups of positioning blocks 6, and the fixing position of the wire harness is relatively fixed, which is not conducive to limiting other positions of the wire harness. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a digital leakage detection sensor.

[0005] The utility model is implemented by constructing a digital leakage detection sensor, which comprises a leakage current sensor body, and an auxiliary plate is fixedly connected to the upper end of the surface of the leakage current sensor body;

[0006] There are multiple groups of sliders slidably connected in the auxiliary plate, and a worm wheel is rotatably connected to the bottom of the slider, which is meshed with a worm, and the worm is rotatably connected to the auxiliary plate. A first cavity is provided inside the worm, and a sliding block is slidably connected in the first cavity. The sliding block is fixedly connected to the second worm, and the second worm is meshed with the second worm wheel. The center of the second worm wheel is rotatably connected to another group of sliders, and a second cavity is provided in the second worm.

[0007] Preferably, the slider, the sliding block, the second worm, the second worm wheel and the second cavity constitute a first mating component, and the sliding block in the first mating component is slidably inserted into the second cavity in the second worm.

[0008] Preferably, the slider, the sliding block, the second worm and the second worm wheel form a second mating assembly, and the front end of the second worm of the second mating assembly is fixedly connected to the handle, and one end of the second worm of the group is slidably connected to the side of the auxiliary plate.

[0009] Preferably, a screw is fixedly connected at the center of the worm wheel and the second worm wheel, and the screw is threadedly connected to the inner side of the sliding plate, the sliding plate is slidably connected to the receiving plate, and the upper end of the receiving plate is fixedly connected to the slider.

[0010] Preferably, a movable plate is fixedly connected below the sliding plate, a connecting rod is rotatably connected to the movable plate, the other end of the connecting rod is rotatably connected to the limiting plate, and the other end of the limiting plate is rotatably connected to the receiving plate.

[0011] Preferably, the number of the screw rod, the receiving plate, the sliding plate, the moving plate, the connecting rod and the limiting plate is the same as that of the sliding block.

[0012] The utility model has the following advantages: The utility model provides a digital leakage detection sensor through improvement, which has the following improvements compared with the same type of equipment:

[0013] The utility model discloses a digital leakage detection sensor, in which the sliding block moves in the first cavity or the second cavity, so as to adjust the spacing between the multiple groups of worm gears. Moreover, since the first cavity or the second cavity is a rectangular parallelepiped, after the positions of the multiple groups of limit plates are adjusted, the handle can drive the multiple groups of worm gears and the second worm gears to rotate simultaneously, so that the multiple groups of limit plates can limit and fix the surface of the wiring harness at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the auxiliary plate of the utility model;

[0016] Figure 3 It is a schematic diagram of the connection relationship between the worm gear and the matching components of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection relationship of the receiving plate of the utility model.

[0018] Among them: leakage current sensor body -1, auxiliary plate -2, slider -3, worm gear -4, worm -5, first cavity -6, sliding block -7, second worm -8, second worm gear -9, second cavity -10, first matching component -11, second matching component -12, handle -13, screw -14, receiving plate -15, sliding plate -16, moving plate -17, connecting rod -18, limit plate -19. DETAILED DESCRIPTION

[0019] The following is combined with Figures 1 to 4 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0020] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] See also Figure 1 to Figure 4 The utility model is a digital leakage detection sensor, comprising a leakage current sensor body 1, an auxiliary plate 2 is fixedly connected to the upper end of the surface of the leakage current sensor body 1, a cross slide groove is arranged inside the auxiliary plate 2, and a slider 3 is in a cross shape, so as to slide inside the cross slide groove, multiple groups of sliders 3 are slidably connected inside the auxiliary plate 2, a worm wheel 4 is rotatably connected to the bottom of the slider 3, the worm wheel 4 is meshed with a worm 5, and the worm wheel 4 is conveniently driven to rotate by the worm 5, and the worm 5 is rotatably connected to the auxiliary plate 2, a first cavity 6 is arranged inside the worm 5, a sliding block 7 is slidably connected in the first cavity 6, the sliding block 7 is fixedly connected to the second worm 8, the second worm 8 is meshed with the second worm wheel 9, the second worm wheel 9 is rotatably connected to another group of sliders 3 at the center, and a second cavity 10 is arranged in the second worm 8;

[0023] The surface of the limiting plate 19 is provided with a rubber layer to improve the clamping effect of the wire harness.

[0024] The slider 3 , the sliding block 7 , the second worm 8 , the second worm wheel 9 , and the second cavity 10 constitute a first mating component 11 , and the sliding block 7 in the first mating component 11 is slidably inserted into the second cavity 10 in the second worm 8 .

[0025] The slider 3, the sliding block 7, the second worm 8, and the second worm wheel 9 form a second mating component 12, and the front end of the second worm 8 of the second mating component 12 is fixedly connected to the handle 13, and one end of the second worm 8 is slidably connected to the side of the auxiliary plate 2.

[0026] When adjusting the spacing between the multiple groups of sliders 3, a thrust can be applied to the slider 3 to move the slider 3 inside the auxiliary plate 2. When the slider 3 moves, it drives the second worm 8 and the second worm wheel 9 to move, and thus drives the respective connected limit plates 19 to move.

[0027] When the second worm 8 moves, it drives the connected sliding block 7 to move in the first cavity 6 or the second cavity 10, so as to adjust the spacing between the multiple groups of worms. Since the first cavity 6 or the second cavity 10 is a rectangular parallelepiped, after the position is adjusted, torque is applied to drive the handle 13 to rotate. The handle 13 can also drive the multiple groups of worms 5 and the second worm 8 to rotate at the same time, so that the surfaces of the multiple wire harnesses of the multiple groups of limiting plates 19 are limited and fixed, and the wire harnesses pass through the leakage current sensor body 1 for detection.

[0028] A screw 14 is fixedly connected at the center of the worm gear 4 and the second worm gear 9, and the screw 14 is threadedly connected to the inner side of the sliding plate 16, the sliding plate 16 is slidably connected to the receiving plate 15, the upper end of the receiving plate 15 is fixedly connected to the slider 3, and a moving plate 17 is fixedly connected below the sliding plate 16, and a connecting rod 18 is rotatably connected to the moving plate 17, and the other end of the connecting rod 18 is rotatably connected to the limiting plate 19, and the other end of the limiting plate 19 is rotatably connected to the receiving plate 15;

[0029] The number of the screw rod 14 , the receiving plate 15 , the sliding plate 16 , the moving plate 17 , the connecting rod 18 , and the limiting plate 19 is the same as that of the sliding block 3 .

[0030] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A digital leakage current detection sensor, comprising a leakage current sensor body, wherein an auxiliary plate is fixedly connected to the upper end of the surface of the leakage current sensor body; It is characterized by: There are multiple groups of sliders slidably connected in the auxiliary plate, and a worm wheel is rotatably connected to the bottom of the slider, which is meshed with a worm, and the worm is rotatably connected to the auxiliary plate. A first cavity is provided inside the worm, and a sliding block is slidably connected in the first cavity. The sliding block is fixedly connected to the second worm, and the second worm is meshed with the second worm wheel. The center of the second worm wheel is rotatably connected to another group of sliders, and a second cavity is provided in the second worm.

2. A digital leakage detection sensor according to claim 1, characterized in that: The sliding block, the sliding block, the second worm, the second worm wheel and the second cavity constitute a first matching component, and the sliding block in the first matching component is slidably inserted into the second cavity in the second worm.

3. A digital leakage detection sensor according to claim 2, characterized in that: The slider, the sliding block, the second worm and the second worm wheel form a second matching assembly, and the front end of the second worm of the second matching assembly is fixedly connected to the handle, and one end of the second worm is slidably connected to the side of the auxiliary plate.

4. A digital leakage detection sensor according to claim 3, characterized in that: A screw is fixedly connected at the center of the worm wheel and the second worm wheel, and the screw is threadedly connected to the inner side of the sliding plate, the sliding plate is slidably connected to the receiving plate, and the upper end of the receiving plate is fixedly connected to the sliding block.

5. A digital leakage detection sensor according to claim 4, characterized in that: A moving plate is fixedly connected below the sliding plate, a connecting rod is rotatably connected to the moving plate, the other end of the connecting rod is rotatably connected to the limiting plate, and the other end of the limiting plate is rotatably connected to the receiving plate.

6. A digital leakage detection sensor according to claim 5, characterized in that: The number of the screw rod, the receiving plate, the sliding plate, the moving plate, the connecting rod and the limiting plate is the same as that of the sliding block.

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