Anti-bird cap and lead combined lightning arrester

Abstract

The utility model relates to the field of lightning arresters, in particular to an anti-bird cap and lead combined lightning arrester, and provides an anti-bird cap and lead combined lightning arrester, which aims at solving the technical problems that a cap of the lightning arrester is easy to fall off, the service life of the lightning arrester is influenced, and even the lightning arrester is burnt down, and comprises an anti-bird cap and a lightning arrester core body connected with the anti-bird cap, the lead and the crimping wire penetrate through the anti-bird cap, an inlet hole connected with the lead is formed in the upper part of the anti-bird cap, a fastening hole connected with a lightning arrester core body is formed in the lower part of the anti-bird cap, a stop wall is formed in the anti-bird cap, the inlet hole is connected with the lead in a bonding manner by using super glue, and a locking structure for preventing the anti-bird cap and the lightning arrester core body from relatively rotating is arranged in the fastening hole; the anti-bird cap of the lightning arrester combined with the anti-bird cap and the lead is firmly mounted, is high in torsion resistance and is not easy to fall off, so that the maintenance cost is reduced, and the service life of the lightning arrester is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of lightning arresters, in particular to a bird-proof cap and wire combined lightning arrester. Background Art

[0002] The prior art lightning arrester includes a lightning arrester core and a cap, the inner wall of the cap is smooth, and the cap is installed on the lightning arrester core. The lightning arrester with such a structure is easy to loosen and fall off. The loose lightning arrester cap may not be able to tightly cover the lightning arrester core, affecting its protective performance, reducing its effective interception and diversion capabilities for lightning, affecting the service life of the lightning arrester, and the loosening problem requires regular inspection and adjustment, which increases the frequency and cost of maintenance, and may also cause system shutdown or maintenance difficulties or even burn out the lightning arrester. Therefore, a bird-proof cap and wire combination lightning arrester is proposed to solve the above technical problems. Utility Model Content

[0003] In view of the fact that current equipment or existing technologies do not have lightning arresters suitable for the above-mentioned problems, the utility model provides a bird-proof cap and wire combination lightning arrester to solve the problem that the lightning arrester cap is easy to fall off, affecting the service life of the lightning arrester and even burning the lightning arrester, effectively solving the problems mentioned in the above-mentioned background technology.

[0004] In order to solve the above problems, the technical solution adopted by the utility model is:

[0005] A bird-proof cap and wire combination lightning arrester includes a bird-proof cap, a lightning arrester core connected to the bird-proof cap, a wire and a crimping wire passing through the bird-proof cap, an entry hole connected to the wire on the upper part of the bird-proof cap, a fastening hole connected to the lightning arrester core on the lower part, a stop wall formed inside the bird-proof cap, the entry hole and the wire are bonded and connected with strong glue, and a locking structure is provided in the fastening hole to prevent the bird-proof cap and the lightning arrester core from rotating relative to each other.

[0006] The locking structure is a first stop component and a second stop component. The first stop component is arranged on the inner wall of the fastening hole, and the second stop component is arranged on the outer wall of one end of the arrester core. The first stop component and the second stop component cooperate with each other to lock.

[0007] The first stopping component is a four-wing conical protrusion, and the second stopping component is a four-wing conical groove.

[0008] The cross-section of the four-wing conical protrusion is a long trapezoid, the width of the bottom edge of the long trapezoid close to the bird-proof hat is smaller than the width of the other opposite bottom edge; the four-wing conical groove is arranged corresponding to the four-wing conical protrusion.

[0009] There are multiple four-wing conical protrusions, which are evenly arranged on the inner wall surface of the fastening hole, and the four-wing conical grooves are correspondingly arranged to the four-wing conical protrusions.

[0010] The inner wall surface of the fastening hole is provided with an internal thread, the outer wall surface of one end of the arrester core is provided with an external thread, and the fastening hole is threadedly connected to the outer wall surface of the arrester core.

[0011] Compared with the prior art, the present invention has the following advantages:

[0012] By reducing the number of connections, the likelihood of failure is reduced, improving overall equipment reliability, reducing assembly time and labor, enabling rapid commissioning and improving production efficiency. The bird cap of the bird cap and conductor combination arrester is securely installed, has strong torsion resistance, is not easily removed, reduces maintenance costs, and increases the service life of the arrester. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a cross-sectional view of a bird-proof hat according to the first embodiment of the present invention;

[0014] Figure 2 The utility model is a four-winged conical protrusion on the inner wall of the bird-proof cap;

[0015] Figure 3 This is the appearance diagram of the core of the lightning arrester of the utility model;

[0016] Figure 4 It is a cross-sectional view of the third embodiment of the present utility model;

[0017] Explanation of the numbers in the figure: bird-proof cap 1, entry hole 2, stop wall 3, fastening hole 4, four-wing conical protrusion 5, lightning arrester core 6, four-wing conical groove 7, bird-proof cap and wire integrated combination 8, wire 9. DETAILED DESCRIPTION

[0018] The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

[0019] The first embodiment of the utility model is a bird-proof cap and wire combination lightning arrester, which includes a bird-proof cap 1, an arrester core 6 connected to the bird-proof cap 1, and a wire 9 and a crimping wire connected together to pass through the bird-proof cap 1; the bird-proof cap 1 is a through hole, and the upper part of the bird-proof cap 1 is provided with an entry hole 2 connected to the wire 9, and the lower part is provided with a fastening hole 4 connected to the arrester core 6, and a stop wall 3 is formed inside the bird-proof cap 1; the entry hole 2 and the wire 9 are bonded and connected with strong glue, and a locking structure for preventing the bird-proof cap 1 and the arrester core 6 from rotating relative to each other is provided in the fastening hole 4; the locking structure is a first stop component provided on the inner wall surface of the fastening hole 4, and a second stop component provided on the outer wall surface of one end of the arrester core 6, and the first stop component and the second stop component can cooperate with each other to lock to prevent the bird-proof cap 1 and the arrester core 6 from rotating relative to each other, thereby improving the torsion resistance of the arrester.

[0020] The first stopping component on the inner wall surface of the above-mentioned fastening hole 4 is a four-wing conical protrusion 5, and the second stopping component on the outer wall surface of one end of the lightning arrester core 6 is a four-wing conical groove 7. The four-wing conical protrusion 5 on the fastening hole 4 can be embedded in the four-wing conical groove 7 on the outer wall surface of one end of the lightning arrester core 6 to stop each other; the four-wing conical protrusion 5 set on the inner wall surface of the fastening hole 4 limits the bird-proof cap 1 from rotating left and right with the lightning arrester core 6 as the center.

[0021] Furthermore, the cross-sectional shape of the four-wing conical protrusion 5 on the inner wall surface of the fastening hole 4 is a long trapezoid, and the long four-wing conical groove 7 extends along the central axis direction of the arrester core 6. The width of the bottom edge of the long trapezoid close to the arrester core 6 is greater than the width of the other opposite bottom edge, so as to facilitate the connection between the arrester core 6 and the bird-proof cap 1. The above-mentioned four-wing conical protrusion 5 on the inner wall surface of the fastening hole 4 is preferably provided in plurality and evenly arranged on the inner wall surface of the fastening hole 4, that is, every two four-wing conical protrusions 5 are spaced at the same distance, and the four-wing conical groove 7 of the arrester core 6 is arranged corresponding to the four-wing conical protrusion 5 on the fastening hole 4.

[0022] The shapes of the first stopping component and the second stopping component may be other shapes besides the four-wing cone, such as rectangle, triangle, etc., as long as the stopping function can be achieved.

[0023] The second embodiment of the bird-proof cap wire combination lightning arrester of the present invention is based on the first embodiment, an internal thread is formed on the inner wall surface of the fastening hole 4, an external thread is formed on the outer wall surface of one end of the lightning arrester core 6, and the fastening hole 4 is threadedly connected to the outer wall surface of the lightning arrester core 6.

[0024] The third embodiment of the bird-proof cap and conductor combination arrester of the present invention is based on the first embodiment, and has an integrated bird-proof cap and conductor combination 8, which simplifies the work process and reduces labor costs.

[0025] The usage process of the bird-proof cap and wire combination lightning arrester of the present invention is as follows: first, select the lightning arrester core 6 and the bird-proof cap 1 to be assembled of appropriate sizes, such as the lightning arrester core 6 and the bird-proof cap 1 suitable for the specific length and diameter in actual use; then pass the connector of the lightning arrester core 6 through the bird-proof cap 1, and use the locking structure to fix the lightning arrester core 6 and the bird-proof cap 1 together; during use, when the lightning arrester core 6 or the bird-proof cap 1 needs to be replaced (for example, when the component is damaged or replaced with a more suitable component), pull up the bird-proof cap 1, replace the new component, and complete the assembly again.

[0026] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art may make various modifications, additions, or substitute similar methods to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A bird-proof cap conductor combination arrester, characterized by: The invention comprises a bird-proof cap (1), a lightning arrester core (6) connected to the bird-proof cap (1), a wire (9) and a crimping wire passing through the bird-proof cap (1), an entry hole (2) connected to the wire (9) is provided on the upper part of the bird-proof cap (1), and a fastening hole (4) connected to the lightning arrester core (6) is provided on the lower part. A stop wall (3) is formed in the bird-proof cap (1), the entry hole (2) and the wire (9) are bonded and connected with strong glue, and a locking structure for preventing the bird-proof cap (1) and the lightning arrester core (6) from rotating relative to each other is provided in the fastening hole (4).

2. The bird-proof cap and conductor combined arrester according to claim 1, characterized in that: The locking structure comprises a first stop component and a second stop component, wherein the first stop component is arranged on the inner wall of the fastening hole (4), and the second stop component is arranged on the outer wall surface of one end of the arrester core (6), and the first stop component and the second stop component cooperate with each other to lock.

3. The bird-proof cap and conductor combined arrester according to claim 2, characterized in that: The first stop component is a four-wing conical protrusion (5), and the second stop component is a four-wing conical groove (7).

4. The bird-proof cap and conductor combined arrester according to claim 3 is characterized in that: The cross-sectional shape of the four-wing conical protrusion (5) is a long trapezoid, and the width of the bottom edge of the long trapezoid close to the bird-proof cap (1) is smaller than the width of the other opposite bottom edge; the four-wing conical groove (7) is arranged corresponding to the four-wing conical protrusion (5).

5. The bird-proof cap and conductor combined arrester according to claim 4, characterized in that: The four-wing conical protrusions (5) are provided in plurality and are evenly arranged on the inner wall surface of the fastening hole (4), and the four-wing conical grooves (7) are provided corresponding to the four-wing conical protrusions (5).

6. The bird-proof cap and conductor combined arrester according to claim 1, characterized in that: The inner wall surface of the fastening hole (4) is provided with an internal thread, and the outer wall surface of one end of the arrester core (6) is provided with an external thread, and the fastening hole (4) is threadedly connected to the outer wall surface of the arrester core (6).

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