Rotary high-voltage electroscope for building electrical construction

Abstract

The invention discloses a rotary high-voltage electroscope for building electrical construction. 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 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 invention relates to a rotary high-voltage electrician for building electrical construction. Background Art

[0002] A high-voltage tester is a device that checks whether equipment and lines are energized by detecting the current flowing through the stray capacitance between the tester and the ground. It is mainly used to detect whether high-voltage overhead lines, cable lines, and high-voltage electrical equipment are energized. It is easy to carry, has high sensitivity in testing electricity, and is not affected by strong electric fields.

[0003] The detection contact pin in the existing high-voltage electroscope is generally fixed on the top of the insulating rod. Under normal conditions, the detection contact pin is very easy to collide with other objects and be damaged, which is not conducive to use. Summary of the invention

[0004] In order to overcome the above-mentioned defects, the object of the present invention is to provide a rotary high-voltage tester for building electrical construction.

[0005] To achieve the above object, the present invention provides a rotary high-voltage electroscope for building electrical construction, comprising an electroscope body and a detection contact pin arranged at the end of the electroscope body, wherein a protective sleeve is movably mounted on the electroscope body; a limiting device is arranged on the protective sleeve corresponding to the electroscope body.

[0006] When the protective tube is at the upper limit position under the action of the limiting device, the detection contact needle is located in the protective tube; when the protective tube is at the lower limit position under the action of the limiting device, the detection contact needle passes through the window and extends out of the protective tube.

[0007] Furthermore, the limiting device comprises: a first fixing hole and a second fixing hole are arranged on the electroscope body along the height direction;

[0008] A limit shaft is movably provided on the protective tube in the horizontal direction;

[0009] When the limiting shaft passes through the first fixing hole, the protective tube is located at the upper limit position;

[0010] When the limiting shaft passes through the second fixing hole, the protective tube is located at the lower limiting position.

[0011] Furthermore, a strip-shaped positioning hole is provided on the protective tube along the height direction, and a positioning column is detachably connected to the electroscope body, and the positioning column moves through the strip-shaped positioning hole along the horizontal direction.

[0012] Furthermore, a threaded rod is fixedly connected to the inner end of the positioning column, and a threaded groove matching with the threaded rod is provided on the electroscope body; the positioning column is detachably connected to the electroscope body through the matching of the threaded rod and the threaded groove.

[0013] Furthermore, the protective tube is provided with a through hole adapted to the limiting shaft, a fixed tube is provided on the outer side of the protective tube outside the through hole, an adjusting rod fixedly connected to the limiting shaft is axially movably provided in the fixed tube, the free end of the adjusting rod is located outside the fixed tube, and a reset spring is sleeved on the adjusting rod in the fixed tube.

[0014] Furthermore, a sealing cover is integrally formed at the upper end of the protective tube, and a window adapted for the detection contact needle is provided on the sealing cover.

[0015] After the present invention adopts the above structure, through the mutual cooperation between the protective tube, the limiting shaft, the first fixing hole and the second fixing hole, in the normal state, the limiting shaft is passed through the first fixing hole, at which time the detection contact needle is located in the protective tube, and the detection contact needle is protected by the protective tube to prevent the detection contact needle from being damaged by collision with other external objects, which is convenient to carry or store and is conducive to use. In the working state, the limiting shaft is passed through the second fixing hole, at which time the detection contact needle is located outside the protective tube, and the electrical test work can be carried out normally without affecting the use. The present invention has a simple structure, is easy to use, can protect the detection contact needle, prevent the detection contact needle from being damaged by collision with other external objects, is convenient to carry or store and is conducive to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a structural schematic diagram of a rotary high-voltage electric tester used in building electrical construction.

[0017] Figure 2 for Figure 1 A local enlarged schematic diagram of point A in the middle.

[0018] Figure 3 for Figure 1 A local enlarged schematic diagram of point B in the middle.

[0019] In the figure: 1. Electroscope body; 2. Detection contact pin; 3. Protective tube; 4. Limiting shaft; 5. First fixing hole; 6. Second fixing hole; 7. Bar positioning hole; 8. Positioning column; 9. Threaded rod; 10. Threaded groove; 11. Through hole; 12. Fixed tube; 13. Adjusting rod; 14. Reset spring; 15. Cover; 16. Window. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0021] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example 1

[0025] like Figure 1-Figure 3 As shown, the rotary high-voltage electroscope for building electrical construction of this embodiment comprises an electroscope body 1 and a detection contact pin 2 arranged at the end of the electroscope body 1, and a protective tube 3 located at the periphery of the detection contact pin 2 is movably sleeved on the electroscope body 1; a limit shaft 4 is movably penetrated on the protective tube 3 in the horizontal direction, and a first fixing hole 5 and a second fixing hole 6 adapted to the limit shaft 4 are provided on the electroscope body 1; when the limit shaft 4 passes through the first fixing hole 5, the detection contact pin 2 is located in the protective tube 3. In the normal state, the detection contact pin 2 is protected by the protective tube 3 to prevent the detection contact pin 2 from being damaged by collision with other external objects, which is convenient for carrying or storage and is conducive to use; when the limit shaft 4 passes through the second fixing hole 6, the detection contact pin 2 is located outside the protective tube 3, and the electrical detection work can be carried out normally without affecting the use.

[0026] Example 2

[0027] As an improvement of the above embodiment, a strip-shaped positioning hole 7 is axially provided on the protective tube 3, and a positioning column 8 is detachably connected to the electroscope body 1, and the positioning column 8 is movable in the horizontal direction through the strip-shaped positioning hole 7. Through the mutual cooperation between the strip-shaped positioning hole 7 and the positioning column 8, the protective tube 3 can be positioned, 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 conveniently inserted into the first fixing hole 5 or the second fixing hole 6.

[0028] Example 3

[0029] As an improvement of the above embodiment, the inner end of the positioning column 8 is fixedly connected with a threaded rod 9, and a threaded groove 10 matching with the threaded rod 9 is provided on the electroscope body 1; the positioning column 8 is detachably connected with the electroscope body 1 through the matching of the threaded rod 9 and the threaded groove 10, and the structure is simple and the operation is convenient. After the positioning column 8 is removed, the protective tube 3 can be removed from the electroscope body 1, so as to facilitate the inspection or replacement of various components and facilitate use.

[0030] Example 4

[0031] As an improvement of the above embodiment, the protective tube 3 is provided with a through hole 11 adapted to the limiting shaft 4, a fixed tube 12 is provided on the outer side of the protective tube 3 outside the through hole 11, an adjusting rod 13 fixedly connected to the limiting shaft 4 is movably penetrated in the axial direction in the fixing tube 12, the free end of the adjusting rod 13 is located outside the fixing tube 12, and a reset spring 14 is sleeved on the adjusting rod 13 in the fixing tube 12. When in use, the limiting shaft 4 can be conveniently adjusted, the structure is simple, and the operation is convenient.

[0032] Example 5

[0033] As an improvement of the above embodiment, a cover 15 is integrally formed at the outer end of the protection tube 3, and a window 16 adapted to the detection contact pin 2 is provided on the cover 15, which can conveniently protect the detection contact pin 2 and avoid the protection tube 3 having a large inner hole and being unable to provide good protection.

[0034] The working principle of the present invention is: under normal conditions, the protective tube 3 is pulled outward, and the limiting shaft 4 passes through the first fixing hole 5, so that the detection contact pin 2 is protected by the protective tube 3 to prevent the detection contact pin 2 from being damaged by collision with other external objects, which is convenient for carrying or storage and is conducive to use.

[0035] In the working state, the limit shaft 4 is pulled out from the first fixing hole 5, and then the protective tube 3 is pushed inward, and the limit shaft 4 passes through the second fixing hole 5, so that the detection contact needle 2 is located outside the protective tube 3, and the electrical testing work can be carried out normally without affecting the use.

[0036] The present invention is described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention. Many other changes and modifications that do not depart from the concept and scope of the present invention should be regarded as the protection scope of the present invention.

[0037] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0038] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A rotary high-voltage electroscope for building electrical construction, comprising an electroscope body and a detection contact pin arranged at the end of the electroscope body, characterized in that: A protective tube is movably mounted on the electroscope body; a limiting device is arranged on the protective tube corresponding to the electroscope body; When the protective tube is at the upper limit position under the action of the limiting device, the detection contact needle is located in the protective tube; when the protective tube is at the lower limit position under the action of the limiting device, the detection contact needle passes through the window and extends out of the protective tube.

2. The rotary high-voltage electrician for building electrical construction as claimed in claim 1, characterized in that: The limiting device comprises: a first fixing hole and a second fixing hole are arranged on the electroscope body along the height direction; A limit shaft is movably provided on the protective tube in the horizontal direction; When the limiting shaft passes through the first fixing hole, the protective tube is located at the upper limit position; When the limiting shaft passes through the second fixing hole, the protective tube is located at the lower limiting position.

3. A rotary high-voltage electrician for building electrical construction according to claim 1, characterized in that: The protective tube is provided with a strip-shaped positioning hole along the height direction, and a positioning column is detachably connected to the electroscope body, and the positioning column moves along the horizontal direction and passes through the strip-shaped positioning hole.

4. A rotary high-voltage electrician for building electrical construction according to claim 3, characterized in that: The inner end of the positioning column is fixedly connected with a threaded rod, and a threaded groove matching with the threaded rod is provided on the electroscope body; the positioning column is detachably connected with the electroscope body through the matching of the threaded rod and the threaded groove.

5. A rotary high-voltage electrician for building electrical construction according to claim 2, characterized in that: The protective tube is provided with a through hole adapted to the limiting shaft, a fixed tube is provided on the outer side of the protective tube outside the through hole, an adjusting rod fixedly connected to the limiting shaft is axially movably inserted in the fixed tube, the free end of the adjusting rod is located outside the fixed tube, and a reset spring is sleeved on the adjusting rod in the fixed tube.

6. A rotary high-voltage electrician for building electrical construction according to claim 1, characterized in that: A sealing cover is integrally formed at the upper end of the protection tube, and a window adapted to the detection contact needle is arranged on the sealing cover.

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