Rotary high-voltage electroscope

Abstract

The utility model discloses a rotary high-voltage electroscope. Comprising an electroscope main body and a detection contact pin arranged at the end part of the electroscope main body, and the electroscope main body is movably sleeved with a protective cylinder; a limiting device corresponding to the electroscope main body is arranged on the protective cylinder; wherein when the protective cylinder is located at an upper limit under the action of the limiting device, the detection contact pin is located in the protective cylinder; and when the protective cylinder is located at the lower limit under the action of the limiting device, the detection contact pin penetrates through the window and extends out of the protective cylinder. The detection contact pin protection device is simple in structure and convenient to use, can protect the detection contact pin, prevents the detection contact pin from being damaged due to collision with other external objects, and is convenient to carry or store and beneficial to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary high voltage electroscope for building electrical construction. BACKGROUND

[0002] The high voltage electroscope is a device for detecting the current flowing through the stray capacitance of the electroscope to the ground to check whether the equipment and line are electrified, and is mainly used for detecting whether the high voltage overhead line, cable line and high voltage electrical equipment are electrified, and is convenient to carry, high in electroscope sensitivity and not interfered by strong electric field.

[0003] The detection contact needle in the prior art high voltage electroscope is generally fixed at the top end of the insulating rod, and in the normal state, the detection contact needle is prone to collision with other objects and damaged, which is not conducive to use. UTILITY MODEL CONTENT

[0004] In order to overcome the above defects, the utility model aims at providing a rotary high voltage electroscope.

[0005] In order to achieve the above object, the utility model discloses a rotary high voltage electroscope, which comprises an electroscope main body and a detection contact needle arranged at the end of the electroscope main body, and a protective cylinder movably sleeved on the electroscope main body; a limiting device is arranged on the protective cylinder corresponding to the electroscope main body.

[0006] The detection contact needle is located in the protective cylinder when the protective cylinder is located at the upper limit under the action of the limiting device; and the detection contact needle is located outside the protective cylinder through the window when the protective cylinder is located at the lower limit under the action of the limiting device.

[0007] Further, the limiting device comprises first and second fixed holes arranged on the electroscope main body along the height direction.

[0008] A limiting shaft is movably arranged on the protective cylinder along the horizontal direction.

[0009] The protective cylinder is located at the upper limit when the limiting shaft passes through the first fixed hole.

[0010] The protective cylinder is located at the lower limit when the limiting shaft passes through the second fixed hole.

[0011] Further, a strip-shaped positioning hole is arranged on the protective cylinder along the height direction, and a positioning column is detachably connected to the electroscope main body, and the positioning column movably passes through the strip-shaped positioning hole along the horizontal direction.

[0012] Further, a threaded rod is fixedly connected to the inner end of the positioning column, and a threaded groove matched with the threaded rod is arranged on the electroscope main body; and the positioning column is detachably connected to the electroscope main body through the cooperation of the threaded rod and the threaded groove.

[0013] Further, the protective cylinder is provided with a through hole matched with the limiting shaft, a fixing cylinder is arranged on the outer side of the protective cylinder outside the through hole, an adjusting rod fixedly connected with the limiting shaft is movably arranged in the fixing cylinder in the axial direction, and the free end of the adjusting rod is located outside the fixing cylinder, and a return spring is sleeved on the adjusting rod in the fixing cylinder.

[0014] Further, the upper end of the protective cylinder is integrally formed with a cover, and the cover is provided with a window matched with the detection contact pin.

[0015] After the above structure is adopted, the detection contact pin is protected by the protective cylinder, and damage of the detection contact pin caused by collision with other objects in the external environment is avoided, so that the detection contact pin is convenient to carry or store and beneficial to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a structural schematic view of a rotary high-voltage electroscope.

[0017] Figure 2 Fig. 2 is a partial enlarged view of A in Fig. 1. Figure 1

[0018] Fig. 3 is a partial enlarged view of B in Fig. 1. Figure 3 Figure 1

[0019] Fig. 1 is a structural schematic view of a rotary high-voltage electroscope. DETAILED DESCRIPTION

[0020] The utility model embodiment will be described in detail below with reference to the drawings.

[0021] ​​In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0022] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0023] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Example 1

[0025] As Figures 1-3 shown, the rotary high-voltage electroscope of the embodiment includes an electroscope body 1 and a detection contact needle 2 arranged at the end of the electroscope body 1, the electroscope body 1 movably sheaths a protective cylinder 3 located at the periphery of the detection contact needle 2; a limiting shaft 4 is movably arranged on the protective cylinder 3 in the horizontal direction, and the electroscope body 1 is provided with a first fixed hole 5 and a second fixed hole 6 matched with the limiting shaft 4; when the limiting shaft 4 passes through the first fixed hole 5, the detection contact needle 2 is located in the protective cylinder 3. In the normal state, the detection contact needle 2 is protected by the protective cylinder 3, so as to avoid damage caused by collision between the detection contact needle 2 and other objects in the external environment, facilitate carrying or storage, and be beneficial to use; when the limiting shaft 4 passes through the second fixed hole 6, the detection contact needle 2 is located outside the protective cylinder 3, and the electroscope can normally work, without affecting the use.

[0026] Example 2

[0027] As the improvement of the above embodiment, the protection cylinder 3 is provided with a strip-shaped positioning hole 7 in the axial direction, and a positioning column 8 is detachably connected to the electroscope body 1 and movably passes through the strip-shaped positioning hole 7 in the horizontal direction. The protection cylinder 3 is positioned through the cooperation between the strip-shaped positioning hole 7 and the positioning column 8, so that the limiting shaft 4 is conveniently aligned with the first fixing hole 5 or the second fixing hole 6, and then the limiting shaft 4 is inserted into the first fixing hole 5 or the second fixing hole 6.

[0028] Embodiment 3

[0029] As the improvement of the above embodiment, the inner end of the positioning column 8 is fixedly connected with a threaded rod 9, and the electroscope body 1 is provided with a threaded groove 10 matched with the threaded rod 9; the positioning column 8 is detachably connected with the electroscope body 1 through the cooperation of the threaded rod 9 and the threaded groove 10, which is simple in structure and convenient to operate. After the positioning column 8 is removed, the protection cylinder 3 can be detached from the electroscope body 1, so that each component can be conveniently repaired or replaced, and the use is facilitated.

[0030] Embodiment 4

[0031] As the improvement of the above embodiment, the protection cylinder 3 is provided with a perforation 11 matched with the limiting shaft 4, and a fixing cylinder 12 is arranged on the outer side of the protection cylinder 3 around the perforation 11; an adjusting rod 13 fixedly connected with the limiting shaft 4 is movably arranged in the fixing cylinder 12 in the axial direction, and the free end of the adjusting rod 13 is located outside the fixing cylinder 12; and a return spring 14 is sleeved on the adjusting rod 13 in the fixing cylinder 12. In use, the limiting shaft 4 can be conveniently adjusted, and the structure is simple and the operation is convenient.

[0032] Embodiment 5

[0033] As the improvement of the above embodiment, the outer end of the protection cylinder 3 is integrally formed with a cover 15, and the cover 15 is provided with a window 16 matched with the detection contact needle 2, so that the detection contact needle 2 can be conveniently protected, and the hole in the protection cylinder 3 cannot be well protected due to being too large.

[0034] The working principle of the utility model is: in the normal state, the protection cylinder 3 is pulled outwards, and the limiting shaft 4 passes through the first fixing hole 5, so that the detection contact needle 2 is protected by the protection cylinder 3, the detection contact needle 2 is prevented from being damaged by knocking with other objects in the outside world, and the detection contact needle 2 is convenient to carry or store and beneficial to use.

[0035] In the working state, the limiting shaft 4 is pulled out of the first fixing hole 5, and then the protection cylinder 3 is pushed inwards, and the limiting shaft 4 passes through the second fixing hole 5, so that the detection contact needle 2 is located outside the protection cylinder 3, and the detection contact needle 2 can normally perform the electricity testing work without affecting the use.

[0036] The utility model has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned implementation manners, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model. Many other changes and modifications are made to the concept and range of the utility model without departing from the concept and range of the utility model, and should be regarded as the protection range of the utility model.

[0037] In the description of the present specification, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above is only a specific implementation manner of the utility model, but the protection range of the utility model is not limited to this, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection range of the utility model. Therefore, the protection range of the utility model should be subject to the protection range of the claims.

Claims

1. A rotary high-voltage electroscope comprising an electroscope body and a detection contact needle provided at an end portion of the electroscope body, characterized by, The protection cylinder is movably sleeved on the electroscope body; and the limiting device is arranged on the protection cylinder corresponding to the electroscope body; When the protection cylinder is located at the upper limit position under the action of the limiting device, the detection contact needle is located in the protection cylinder; and when the protection cylinder is located at the lower limit position under the action of the limiting device, the detection contact needle extends out of the protection cylinder through the window; The first fixing hole and the second fixing hole are arranged on the electroscope body along the height direction; The limiting shaft is movably arranged on the protection cylinder along the horizontal direction; When the limiting shaft passes through the first fixing hole, the protection cylinder is located at the upper limit position; When the limiting shaft passes through the second fixing hole, the protection cylinder is located at the lower limit position.

2. A rotary high voltage electroscope according to claim 1, wherein The strip-shaped positioning hole is arranged on the protection cylinder along the height direction; and the positioning column is detachably connected to the electroscope body and movably passes through the strip-shaped positioning hole along the horizontal direction.

3. A rotary high voltage electroscope according to claim 2, wherein The inner end of the positioning column is fixedly connected with the threaded rod; and the threaded groove matched with the threaded rod is arranged on the electroscope body; and the positioning column is detachably connected with the electroscope body through the cooperation of the threaded rod and the threaded groove.

4. A rotary high voltage electroscope according to claim 1, wherein The perforation matched with the limiting shaft is arranged on the protection cylinder; the fixed cylinder is arranged on the outer side of the protection cylinder outside the perforation; the adjusting rod fixedly connected with the limiting shaft is movably arranged in the fixed cylinder along the axial direction; the free end of the adjusting rod is located outside the fixed cylinder; and the reset spring is sleeved on the adjusting rod in the fixed cylinder.

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