Lightning protection device for constructional engineering
By adding multiple connection points to the lightning protection device and utilizing components such as hexahedrons, wiring lugs, clamps, and L-shaped plates, the problem of poor current conduction caused by corrosion or dirt at the connection point between the grounding wire and the lightning rod is solved, thus improving the lightning protection effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-20
AI Technical Summary
In existing lightning protection devices, corrosion or dirt at the connection point between the grounding wire and the lightning rod can impede current conduction, thus affecting the lightning protection effect.
By adding multiple connection points to the lightning rod, and utilizing multiple connection points between the lightning rod and the grounding wire, poor current conduction is prevented. This includes a combination design of the hexahedron at the bottom of the main lightning rod, wiring lugs, clamps, L-shaped plates, screws, and conductive blocks, which enhances the contact area and stability.
It improves the reliability of current conduction in the lightning protection device, enhances the lightning protection effect, and avoids the problem of poor current flow caused by corrosion or dirt at the connection points.
Smart Images
Figure CN224021236U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lightning protection device for building engineering and belongs to the field of building engineering. BACKGROUND
[0002] When lightning strikes a building, the strong lightning current can produce extremely high temperature in an instant, and the water vapor at the contact position is rapidly vaporized, and the volume is instantaneously expanded, thereby producing strong mechanical force. This mechanical force can cause the structural components of the building such as the wall to crack, the roof to be damaged, and even the building to collapse. By reasonably installing lightning protection devices such as lightning protection needles in building engineering, the huge energy generated by lightning can be introduced into the ground in time and safely, avoiding physical damage to the building caused by direct lightning strikes, maintaining the integrity and stability of the building structure, and ensuring the safety of the building during the entire use cycle. The lightning protection needle is installed on the top of the building, and then the lightning protection needle is connected with the grounding grid by using the grounding wire. At present, the connection point for connecting the grounding wire on the lightning protection needle is generally one. When the connection point of the grounding wire and the lightning protection needle is rusted and dirty, the conduction of the current will be affected, that is, the lightning protection effect will be affected. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model aims to provide a lightning protection device for building engineering to solve the problems raised in the background art. The utility model can increase the connection points of the lightning protection needles for connecting the grounding wire as needed, prevent the probability of poor current conduction through the connection points of the multiple lightning protection needles and the grounding wire, and improve the lightning protection effect.
[0004] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a lightning protection device for building engineering, comprising a main lightning protection needle, a hexahedron is installed at the bottom of the main lightning protection needle, a wire lug for connecting a grounding wire is arranged on one side of the hexahedron, a conductive sleeve is installed on one side surface of the wire lug, the sleeve is arranged on the hexahedron, the wire lug is connected with the hexahedron through multiple screws, a conductive L-shaped plate is installed on the upper position of the side surface of the wire lug away from the lug, a vertical long circular opening is formed in the vertical part of the L-shaped plate, multiple screw rods arranged vertically are inserted into the long circular opening, a conductive block in contact with the main lightning protection needle is installed at one end of the screw rod, two metal gaskets on both sides of the long circular opening are sleeved on the screw rod, and a nut for limiting the position of the end of the grounding wire is arranged on the side of the metal gasket away from the long circular opening.
[0005] Further, the hexahedron lower surface is concave upward to form a slot, the slot is inserted with an insertion block, a side surface of the insertion block is provided with a plurality of threaded holes, a side surface of the hexahedron is provided with a plurality of second small holes matched with the threaded holes, a side surface of the wiring lug is provided with a plurality of first small holes aligned with the second small holes, and a screw is inserted in a channel formed by the first small holes and the second small holes, and one end of the screw is screwed in the threaded hole.
[0006] Further, the slot is processed with a first flat surface, and the outer surface of the insertion block is provided with a second flat surface, and the first flat surface is matched with the second flat surface.
[0007] Further, the hexahedron lower end is sleeved with a chassis connected and fixed with the hexahedron, and a plurality of fixing holes are annularly and equidistantly provided on the upper surface of the chassis.
[0008] Further, a plurality of secondary lightning protection needles are annularly and equidistantly mounted on the outer surface of the upper end of the primary lightning protection needle, and the secondary lightning protection needles are arranged in a horizontal manner.
[0009] Further, the wiring lug is in U-shaped structure, and a small hole for inserting a bolt is provided on each of the two parallel side surfaces of the wiring lug.
[0010] Further, a blind hole is provided on the side of the conductive block facing the screw rod, one end of the screw rod is mounted in the blind hole, and the side of the conductive block away from the screw rod is processed into an arc surface.
[0011] The utility model discloses the beneficial effects of:
[0012] 1, when installing the wiring lug on the hexahedron by using the screw, the sleeve is sleeved on the hexahedron, thereby increasing the contact range of the wiring lug and the hexahedron.
[0013] 2, the insertion block is inserted in the slot, then the screw is screwed in the threaded hole through the first small hole and the second small hole, the assembly of the wiring lug and the hexahedron is completed, and when the threaded hole is damaged, the insertion block can be replaced.
[0014] 3, a plurality of screw rods are inserted in the oblong hole, then the relative position of the screw rod and the L-shaped plate is adjusted, the conductive block is in contact with the primary lightning protection needle, then the relative position of the screw rod and the L-shaped plate is limited by using the two nuts to limit the end of the grounding wire, the connecting point of the lightning protection needle for connecting the grounding wire is increased according to the need, the probability of poor current conduction is prevented through the connecting points of the plurality of lightning protection needles and the grounding wire, and the lightning protection effect is improved. DRAWINGS
[0015] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:
[0016] Figure 1 It is a structural schematic view of the building engineering lightning protection device of the utility model;
[0017] Figure 2 It is another perspective view of the building engineering lightning protection device of the utility model;
[0018] Figure 3 It is an assembly schematic view of the L-shaped plate, the clamping sleeve and the wiring lug in the building engineering lightning protection device of the utility model;
[0019] Figure 4 It is an assembly schematic view of the plug-in block, the hexahedron and the main lightning protection needle in the building engineering lightning protection device of the utility model;
[0020] In the drawing: 1-main lightning protection needle, 2-secondary lightning protection needle, 3-L-shaped plate, 4-metal gasket, 5-conductive block, 6-hexahedron, 7-bottom disc, 8-clamping sleeve, 9-screw, 10-wiring lug, 11-nut, 12-screw rod, 13-long circular port, 14-first small hole, 15-second small hole, 16-insert slot, 17-threaded hole, 18-plug-in block. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0022] Please refer to Figures 1-3 The utility model provides a technical scheme: a building engineering lightning protection device, including main lightning protection needle 1, the outer surface of main lightning protection needle 1 upper end is annular and equidistantly installed with multiple secondary lightning protection needles 2, and the secondary lightning protection needle 2 is arranged horizontally, and the main lightning protection needle 1 bottom is installed with hexahedron 6, and the hexahedron 6 lower end is sleeved with bottom disc 7 connected with the hexahedron 6, and the upper surface of bottom disc 7 is annular and equidistantly provided with multiple fixing holes, and one side of hexahedron 6 is provided with wiring lug 10 for connecting ground wire, and the wiring lug 10 is U-shaped structure, and multiple small holes for inserting bolts are formed on the two parallel sides of wiring lug 10, and the clamping sleeve 8 for conducting is installed on one side of wiring lug 10, and the clamping sleeve 8 is sleeved on the hexahedron 6, when the wiring lug 10 is installed on the hexahedron 6 by screw 9, the clamping sleeve 8 is sleeved on the hexahedron 6, thereby increasing the contact range of wiring lug 10 and hexahedron 6.
[0023] Please refer to Figure 1 、 Figure 3 and Figure 4The lower surface of the hexahedron 6 is concave upward to form a slot 16, the plug 18 is inserted into the slot 16, a plurality of threaded holes 17 are formed in one side of the plug 18, a plurality of second small holes 15 are formed in one side of the hexahedron 6, a plurality of first small holes 14 are formed in one side of the lug 10 and aligned with the second small holes 15, the screw 9 is inserted into the channel formed by the first small holes 14 and the second small holes 15, one end of the screw 9 is threadedly connected in the threaded hole 17, the first flat surface is processed in the slot 16, the second flat surface is formed on the outer surface of the plug 18, when the plug 18 is inserted into the slot 16, the first flat surface is attached to the second flat surface, which facilitates the rapid alignment of the threaded hole 17 with the second small hole 15, the plug 18 is inserted into the slot 16, then the screw 9 is threadedly connected in the threaded hole 17 through the first small hole 14 and the second small hole 15, the assembly of the lug 10 and the hexahedron 6 is completed, and when the threaded hole 17 is damaged, the plug 18 can be replaced.
[0024] Referring to Figures 1-4 The L-shaped plate 3 is installed on the upper position of the side of the sleeve 8 away from the lug, the vertical part of the L-shaped plate 3 is provided with a vertically arranged long circular opening 13, a plurality of upper and lower arranged screw rods 12 are inserted into the long circular opening 13, one end of the screw rod 12 is provided with a conductive block 5 in contact with the main lightning rod 1, one side of the conductive block 5 facing the screw rod 12 is provided with a blind hole, one end of the screw rod 12 is installed in the blind hole, which improves the stability of the connection between the screw rod 12 and the conductive block 5, and the side of the conductive block 5 away from the screw rod 12 is processed into an arc surface, which is conducive to increasing the contact range of the conductive block 5 with the main lightning rod 1, two metal gaskets 4 are sleeved on the screw rod 12 and located on both sides of the long circular opening 13, the side of the metal gasket 4 away from the long circular opening 13 is provided with a nut 11 for limiting the end position of the grounding wire, a plurality of screw rods 12 are inserted into the long circular opening 13, then the relative position of the screw rod 12 and the L-shaped plate 3 is adjusted, the conductive block 5 is in contact with the main lightning rod 1, then the relative position of the screw rod 12 and the L-shaped plate 3 is limited by the two nuts 11 to limit the end of the grounding wire, and the connection points of the lightning rod for connecting the grounding wire are increased as needed, the probability of poor current conduction is prevented through the connection points of the plurality of lightning rods and the grounding wire, and the lightning protection effect is improved.
[0025] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A lightning protection device for building engineering, comprising a main lightning rod (1), characterized in that: The main lightning rod (1) has a hexahedron (6) installed at its bottom. One side of the hexahedron (6) is provided with a connecting lug (10) for connecting a grounding wire. A conductive sleeve (8) is installed on one side of the connecting lug (10). The sleeve (8) is fitted onto the hexahedron (6). The connecting lug (10) is connected to the hexahedron (6) by multiple screws (9). A conductive L-shaped plate (3) is installed on the upper part of the side of the sleeve (8) away from the connecting lug. The plate (3) has a vertically arranged elongated oval opening (13) in its vertical part. Multiple screws (12) arranged vertically are inserted in the elongated oval opening (13). One end of the screw (12) is equipped with a conductive block (5) that contacts the main lightning rod (1). Two metal washers (4) are fitted on the screw (12) on both sides of the elongated oval opening (13). The side of the metal washers (4) facing away from the elongated oval opening (13) is provided with a nut (11) for limiting the position of the end of the grounding wire.
2. The lightning protection device for building engineering according to claim 1, characterized in that: The lower surface of the hexahedron (6) is recessed upward to form a slot (16). A plug (18) is inserted into the slot (16). A plurality of threaded holes (17) are opened on one side of the plug (18). A plurality of second small holes (15) that cooperate with the threaded holes (17) are opened on one side of the hexahedron (6). A plurality of first small holes (14) that are aligned with the second small holes (15) are opened on one side of the wiring lug (10). A screw (9) is inserted into the channel formed by the first small hole (14) and the second small hole (15). One end of the screw (9) is threaded into the threaded hole (17).
3. A lightning protection device for building engineering according to claim 2, characterized in that: The slot (16) has a first flat surface machined inside, and the outer surface of the insert (18) has a second flat surface, with the first flat surface and the second flat surface fitting together.
4. A lightning protection device for building engineering according to claim 1, characterized in that: The lower end of the hexahedron (6) is fitted with a base plate (7) which is connected and fixed to the hexahedron (6). The upper surface of the base plate (7) is provided with multiple fixing holes in an annular shape at equal intervals.
5. A lightning protection device for building engineering according to claim 1, characterized in that: The main lightning rod (1) has multiple secondary lightning rods (2) installed in a ring at equal intervals on its upper outer surface, and the secondary lightning rods (2) are arranged horizontally.
6. A lightning protection device for building engineering according to claim 1, characterized in that: The wiring lug (10) has a U-shaped structure, and small holes for inserting bolts are provided on the two parallel sides of the wiring lug (10).
7. A lightning protection device for building engineering according to claim 1, characterized in that: The conductive block (5) has a blind hole on the side facing the screw (12), one end of the screw (12) is installed in the blind hole, and the side of the conductive block (5) away from the screw (12) is processed into an arc surface.