CN220190054U - Detection device for building lightning protection engineering - Google Patents

Abstract

The utility model discloses a detection device for a lightning protection project of a building, which comprises a connecting female head formed on the surface of a resistance tester and a connecting male head arranged at the end part of a lead, wherein an annular ratchet part is axially arranged on the outer wall of the connecting female head, and a latch structure matched with the ratchet part is arranged on the connecting male head and is matched with the ratchet part to form a stop structure of the connecting male head; the male joint is provided with a metal column inserted into the female joint, an elastic sheet is arranged in the metal column, and the elastic sheet pops outwards along the radial direction of the metal column and is extruded on the inner wall of the female joint. When the device is used for lightning protection detection of a building, the lead can be better connected with the fork opening of the resistance tester, so that the false connection or falling off of the plug can be prevented when the lead is pulled; the male connector can be firmly inserted into the female connector through the retaining structure, and the elastic piece can enable the metal column to be firmly attached to the inner wall of the female connector, so that detection data in detection are more accurate.

Description

Detection device for building lightning protection engineering

Technical Field

The utility model relates to the field of lightning protection detection, in particular to a detection device for a building lightning protection project.

Background

The construction engineering refers to engineering entities formed by the construction of various house buildings and auxiliary facilities thereof and the installation activities of lines, pipelines and equipment matched with the construction engineering entities, the lightning protection device refers to the sum of a lightning arrester, a down conductor, a grounding device, a Surge Protector (SPD) and other connecting conductors, the lightning protection device is widely used in the building, the lightning protection device needs to be subjected to lightning protection detection work regularly in order to ensure the normal use of the lightning protection device, and the detection work on the external lightning protection lightning arrester is very important in the detection process often through a grounding resistance tester.

The connecting wire which needs to be used in the prior art is required to be spliced with an instrument when the resistance tester is used, the fork head of the resistance tester is usually as shown in the surface resistance tester with the antistatic structure disclosed in the application number of CN201922308217.X, the resistance tester is spliced with equipment through a simple resistance test plug, and the grounding resistance tester is easy to pull the plug when the lead is pulled and set because the lead is longer in the use process, so that the interior of the fork head is easy to be connected in a virtual way, and the joint is easy to fall off.

In view of the foregoing, it is necessary to provide a detection device for lightning protection engineering for construction, which solves the above problems.

Disclosure of Invention

The utility model aims to solve the technical problems and provides a detection device for a lightning protection project of a building.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the detection device for the building lightning protection engineering comprises a connecting female head formed on the surface of a resistance tester and a connecting male head arranged at the end part of a wire, wherein an annular ratchet part is arranged on the outer wall of the connecting female head along the axial direction, and a latch structure matched with the ratchet part is arranged on the connecting male head and is matched with the ratchet part to form a retaining structure of the connecting male head; the male joint is provided with a metal column inserted into the female joint, an elastic sheet is arranged in the metal column, and the elastic sheet pops outwards along the radial direction of the metal column and is extruded on the inner wall of the female joint.

Further, the latch structure comprises a pivot plate, the middle part of the pivot plate is hinged to the outer side of the connecting male head, and a latch part is arranged on the inner side of one end, close to the connecting female head, of the pivot plate.

Further, one end of the pivoting plate, which is far away from the connecting female head, is provided with a travel limiting structure, the outer wall of the connecting male head laterally extends out to be provided with a limiting groove, and the end part of the pivoting plate is provided with a limiting block arranged in the limiting groove.

Further, a first spring is arranged between one end of the pivoting plate far away from the connecting female head and the outer wall of the connecting male head; one end of the outer side of the pivoting plate, which is far away from the connecting female head, is provided with a bulge part for extrusion.

Further, a cylindrical accommodating space is arranged in the connecting male head, the elastic sheet is arranged in the accommodating space, long through holes are formed in two sides of the accommodating space, and the elastic sheet extends out of the through holes to the outer wall of the connecting male head.

Further, the elastic sheets are symmetrically arranged in the accommodating space and comprise straight parts, elastic parts arched to extend out of the through holes and limiting sheets blocked at the end parts of the through holes, and the straight parts at two sides are connected.

Further, the straight part is welded and fixed with the inner wall of the accommodating space.

Further, a second spring is arranged between the elastic parts at the two sides.

Compared with the prior art, the utility model has the beneficial effects that: when the device is used for lightning protection detection of a building, the lead can be better connected with the fork opening of the resistance tester, so that the false connection or falling off of the plug can be prevented when the lead is pulled; the male connector can be firmly inserted into the female connector through the retaining structure, and the elastic piece can enable the metal column to be firmly attached to the inner wall of the female connector, so that detection data in detection are more accurate.

Drawings

FIG. 1 is a schematic structural view of a detection device for lightning protection engineering of a building;

in the figure: 1. connecting the female head; 2. connecting a male head; 3. a ratchet part; 4. a latch structure; 5. a metal column; 6. a pivot plate; 7. a latch portion; 8. a limit groove; 9. a limiting block; 10. a first spring; 11. a boss; 12. an accommodating space; 13. a through hole; 14. a straight portion; 15. an elastic part; 16. a limiting piece; 17. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The utility model provides a detection device for building lightning protection engineering, as shown in fig. 1, including shaping in the connection female head 1 on resistance tester surface to and set up in the connection male head 2 of wire tip, connect female head 1 outer wall along the axial be equipped with annular ratchet 3, be equipped with on the connection male head 2 with ratchet 3 matched with latch structure 4, latch structure 4 cooperates with ratchet 3 and forms the retaining structure to connecting male head 2, during actual use, when the connection male head 2 of wire inserts in connecting female head 1, the latch structure 4 of its both sides meshes with ratchet 3 mutually, thereby prevents to connect female head 1 pine when the wire is erect.

Specifically, the latch structure 4 includes a pivot plate 6, the middle part of the pivot plate 6 is hinged at the outer side of the connection male head 2, and a latch portion 7 is disposed at the inner side of the pivot plate 6 near one end of the connection female head 1. The pivot board 6 is equipped with stroke limit structure far away from the female head 1 one end of connection, connect public head 2 outer wall lateral extension and be equipped with spacing groove 8, pivot board 6 tip is equipped with the stopper 9 of arranging in spacing groove 8. A first spring 10 is arranged between one end of the pivoting plate 6 far away from the connecting female head 1 and the outer wall of the connecting male head 2; the outer side of the pin joint plate 6 is provided with a bulge 11 for extrusion at one end far away from the connecting female head 1. It can be understood that when the connection male head 2 is inserted into the connection female head 1, the end parts of the pivoting plates 6 at two sides are jacked up by the ratchet parts 3 to rotate outwards, and when the connection male head 2 is inserted into the end of the connection female head 1, the latch parts 7 can be meshed with the ratchet parts 3 in time to prevent the connection male head 2 from retreating; on the contrary, when the connection male head 2 needs to be pulled out, the protruding parts 11 on two sides are pressed, so that the first spring 10 is compressed, the latch part 7 is tilted and separated from the ratchet part 3, the connection male head 2 can be pulled out easily, and in the process, the pivot plate 6 rotates within a certain angle range through the cooperation of the limiting groove 8 and the limiting block 9.

Further, the male connection head 2 is provided with a metal column 5 inserted into the female connection head 1, an elastic sheet is arranged in the metal column 5, and the elastic sheet is ejected outwards along the radial direction of the metal column 5 and is extruded on the inner wall of the female connection head 1. The connecting male head 2 is internally provided with a cylindrical accommodating space 12, the elastic sheet is arranged in the accommodating space 12, two sides in the accommodating space 12 are provided with long through holes 13, and the elastic sheet extends out of the through holes 13 to the outer wall of the connecting male head 2. The elastic sheets are symmetrically arranged in the accommodating space 12 and comprise straight parts 14, elastic parts 15 arched to extend out of the through holes 13 and limiting sheets 16 blocked at the end parts of the through holes 13, and the straight parts 14 at two sides are connected. The straight part 14 is welded and fixed with the inner wall of the accommodating space 12. A second spring 17 is provided between the two side elastic portions 15. When the device is used, the metal column 5 is inserted into the metal connector in the connecting female head 1, the metal column and the metal connector are smooth side walls in the prior art, and a certain amount of ore is arranged between the metal column and the metal connector, so that poor contact is caused between the metal column and the metal connector, the elastic part 15 is ejected out of the through hole 13 by the second spring 17, and the elastic part 15 is enabled to be close to the inner wall of the connecting female head 1, so that electric connection is more reliable.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The detection device for the building lightning protection engineering comprises a connecting female head (1) formed on the surface of a resistance tester and a connecting male head (2) arranged at the end part of a wire, and is characterized in that an annular ratchet part (3) is arranged on the outer wall of the connecting female head (1) along the axial direction, a latch structure (4) matched with the ratchet part (3) is arranged on the connecting male head (2), and the latch structure (4) is matched with the ratchet part (3) to form a retaining structure for the connecting male head (2); the connecting male head (2) is provided with a metal column (5) inserted into the connecting female head (1), an elastic sheet is arranged in the metal column (5), and the elastic sheet pops out outwards along the radial direction of the metal column (5) and is extruded on the inner wall of the connecting female head (1).

2. The detection device for the lightning protection engineering of the building according to claim 1, wherein the latch structure (4) comprises a pivot plate (6), the middle part of the pivot plate (6) is hinged to the outer side of the connecting male head (2), and a latch part (7) is arranged on the inner side of one end, close to the connecting female head (1), of the pivot plate (6).

3. The detection device for the lightning protection engineering of the building according to claim 2, wherein one end of the pivoting plate (6) far away from the connecting female head (1) is provided with a stroke limiting structure, the outer wall side of the connecting male head (2) is extended and provided with a limiting groove (8), and the end part of the pivoting plate (6) is provided with a limiting block (9) arranged in the limiting groove (8).

4. The detection device for the lightning protection engineering of the building according to claim 3, wherein a first spring (10) is arranged between one end of the pivoting plate (6) far away from the connecting female head (1) and the outer wall of the connecting male head (2); the outer side of the pivoted plate (6) is provided with a bulge (11) for extrusion at one end far away from the connecting female head (1).

5. The detection device for the lightning protection engineering of the building according to claim 1, wherein a cylindrical accommodating space (12) is arranged in the connecting male head (2), the elastic sheet is arranged in the accommodating space (12), strip-shaped through holes (13) are formed in two sides in the accommodating space (12), and the elastic sheet extends out of the through holes (13) to the outer wall of the connecting male head (2).

6. The detection device for the lightning protection engineering of the building according to claim 5, wherein the elastic sheets are symmetrically arranged in the accommodating space (12), and comprise a straight portion (14), an elastic portion (15) arched to extend out of the through hole (13), and a limiting sheet (16) blocked at the end part of the through hole (13), and the straight portions (14) at two sides are connected.

7. The detection device for the lightning protection engineering of the building according to claim 6, wherein the straight part (14) is welded and fixed with the inner wall of the accommodating space (12).

8. The device for detecting the lightning protection of a building according to claim 6, wherein a second spring (17) is arranged between the elastic parts (15) on both sides.