CN222883326U - Lightning arrester - Google Patents

Abstract

The utility model discloses a lightning arrester, including an insulating protective shell, wherein a fixed base is arranged on the upper and lower sides of the insulating protective shell, a conductive base is arranged in the middle of the fixed base, the fixed base and the conductive base are detachably connected, two installation grooves are arranged on the inner sides of the fixed base, a clamping part is fixedly connected at the bottom of the conductive base and at a position corresponding to the installation groove, and a slot is arranged at the outer side of the fixed base and at a position corresponding to the installation groove. The utility model provides a disassembly part, a clamping part, a slot and other structures, so that the disassembly part can be directly rotated during disassembly and maintenance, so that the disassembly part pushes the clamping part toward the inner side of the conductive base to bend the clamping part, and separation between the conductive base and the fixed base can be achieved, which is fast and convenient, and under the setting of the installation groove, the installation only needs to push the conductive base downward, and the bottom end inclined surface of the clamping part will bend inward under force, which is convenient for installation between the conductive base and the fixed base.

Description

Lightning arrester

Technical Field

The utility model relates to the technical field of lightning arresters, in particular to a lightning arrester.

Background

Lightning arresters, an electrical appliance for protecting electrical equipment from high transient overvoltage hazards during lightning strokes and limiting the freewheel time, also often limiting the freewheel amplitude, are sometimes also referred to as overvoltage protectors, overvoltage limiters, which are classified into many types, the main operating principle of each type of arrester being different, but their operation being essentially the same, all in order to protect communication cables and communication equipment from damage.

The utility model discloses a disconnect-type arrester in chinese patent of publication No. (CN 218447403U), it includes insulating protective housing, both sides are provided with fixed base member about the insulating protective housing, are provided with conductive base member in the middle of this fixed base member, split type structure between fixed base member and the conductive base member, conductive base member lower extreme is provided with the fixed plate, fixed base member both sides are provided with the fixed axle spacing to this fixed plate, are provided with the spring on this fixed axle, realize the separation of arrester and conductive base member through pulling the fixed axle, realize quick separation, convenient to detach.

The technical defects of the selection are that the locking plate is locked by two fixing bolts distributed on the side face of the fixing base body, and when the conductive base body and the fixing base body are separated, four fixing bolts are required to be disassembled by using a disassembling tool, so that when a plurality of lightning arresters are disassembled and maintained, the workload is huge, and the maintenance efficiency is low.

Disclosure of utility model

The present utility model is directed to a lightning arrester, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the lightning arrester comprises an insulating protective shell, wherein fixed matrixes are arranged on the upper side and the lower side of the insulating protective shell, a conductive matrix is arranged in the middle of the fixed matrixes, the fixed matrixes and the conductive matrix are detachably connected, two mounting grooves are formed in the two sides of the inside of the fixed matrixes, clamping parts are fixedly connected to the bottoms of the conductive matrixes at positions corresponding to the mounting grooves, inserting grooves are formed in the outer sides of the fixed matrixes at positions corresponding to the mounting grooves, and disassembly parts are rotatably connected to the outer sides of the fixed matrixes.

As a preferable scheme of the utility model, the two ends of the outer side of the clamping and fixing part are fixedly connected with round corner ends, and a through groove is formed in the middle of one end of the clamping and fixing part, which is close to the conductive substrate.

As a preferable scheme of the utility model, the bottom edge of the conductive substrate is provided with a ring groove.

As a preferable scheme of the utility model, the inner wall of the dismounting part is fixedly connected with two convex blocks, and the convex blocks are in sliding connection with the slots.

As a preferred embodiment of the present utility model, the conductive substrate, the fixing substrate and the detachable portion are all concentrically arranged.

Compared with the prior art, the utility model has the beneficial effects that the dismounting part can be directly rotated through the structures such as the dismounting part, the clamping part, the slot and the like, so that the dismounting part can push the clamping part to the inner side of the conductive substrate, the clamping part is bent, the separation between the conductive substrate and the fixed substrate can be realized, the speed and the convenience are realized, the conductive substrate is only required to be pushed downwards in the installation process of the installation slot, the bottom inclined plane of the clamping part is bent inwards due to the stress, and the installation between the conductive substrate and the fixed substrate is facilitated.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view showing the separation structure of the conductive substrate, the fixed substrate and the detachable part of the present utility model;

fig. 3 is a schematic view of a fastening portion structure of the present utility model.

In the figure, 1, a conductive substrate, 2, a fixed substrate, 3, an insulating protective shell, 4, a dismounting part, 5, a clamping part, 6, a through groove, 7, a ring groove, 8, a bump, 9, a mounting groove, 10, a slot, 11 and a round corner end.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the utility model provides a technical scheme that the lightning arrester comprises an insulation protection shell 3, wherein a fixed base body 2 is arranged on the upper side and the lower side of the insulation protection shell 3, a conductive base body 1 is arranged in the middle of the fixed base body 2, the conductive base body 1 is in a cup cover-shaped structure, the fixed base body 2 and the conductive base body 1 are detachably connected, two mounting grooves 9 are formed on the two inner sides of the fixed base body 2, a clamping and fixing part 5 is fixedly connected to the bottom of the conductive base body 1 and at the position corresponding to the mounting groove 9, the extending end of the clamping and fixing part 5 is matched with the groove shape of the mounting groove 9, the bottom surface of the clamping and fixing part 5 is obliquely arranged, the clamping and fixing part 5 bends towards the inner side of the conductive base body 1 when being stressed, a slot 10 is formed at the position corresponding to the mounting groove 9, the outer side of the fixed base body 2 is rotatably connected with a dismounting part 4, and the clamping and fixing part 5 can be pressed towards the inner side of the conductive base body 1 by twisting the dismounting part 4, so that the clamping and fixing part 5 is separated from the mounting groove 9.

Wherein, dismantle inner wall fixedly connected with two lugs 8 of portion 4, lug 8 and slot 10 sliding connection, lug 8 can pass from the inside of slot 10 and get into mounting groove 9, the outside both ends department fixedly connected with fillet end 11 of solid portion 5 of card, can drive lug 8 extrusion fillet end 11 when the portion 4 rotates, make things convenient for solid portion 5 bending to break away from mounting groove 9, solid portion 5 of card is close to the one end middle part of electrically conductive base member 1 and has been offered logical groove 6, make solid portion 5 of card have only top both ends to be connected with electrically conductive base member 1, it is crooked to make things convenient for solid portion 5 of card.

Wherein, the bottom edge of the conductive matrix 1 is provided with a ring groove 7, and the ring groove 7 facilitates the insertion of the top ring end of the fixed matrix 2.

Wherein, electrically conductive base member 1, fixed base member 2 and dismantlement portion 4 all set up concentrically, make things convenient for the assembly between the three.

Specifically, rotating the dismounting portion 4 can make the dismounting portion 4 drive the bump 8 to rotate in the slot 10, then the bump 8 can press the clamping portion 5 against the rounded corner end 11, so that the clamping portion 5 bends towards the inner side of the conductive substrate 1, and the clamping portion 5 is separated from the inner side of the mounting groove 9, and then the conductive substrate 1 is drawn upwards to separate the conductive substrate 1 from the fixed substrate 2.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," 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, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and may be a communication between two elements or an interaction relationship between two elements, unless explicitly specified otherwise, and it will be understood by those of ordinary skill in the art that the above terms are in specific terms of the present utility model as appropriate.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The lightning arrester comprises an insulation protective shell (3) and is characterized in that fixed matrixes (2) are arranged on the upper side and the lower side of the insulation protective shell (3), a conductive matrix (1) is arranged in the middle of the fixed matrixes (2), the fixed matrixes (2) and the conductive matrixes (1) are detachably connected, two mounting grooves (9) are formed in the two inner sides of the fixed matrixes (2), clamping and fixing parts (5) are fixedly connected to the bottoms of the conductive matrixes (1) and the positions corresponding to the mounting grooves (9), slots (10) are formed in the outer sides of the fixed matrixes (2) and the positions corresponding to the mounting grooves (9), and disassembly parts (4) are rotatably connected to the outer sides of the fixed matrixes (2).

2. The lightning arrester of claim 1, wherein the two ends of the outer side of the clamping and fixing part (5) are fixedly connected with round corner ends (11), and a through groove (6) is formed in the middle of one end, close to the conductive base body (1), of the clamping and fixing part (5).

3. A lightning arrester according to claim 2, characterized in that the bottom edge of the conductive substrate (1) is provided with a ring groove (7).

4. A lightning arrester according to claim 3, wherein the inner wall of the dismounting portion (4) is fixedly connected with two protruding blocks (8), and the protruding blocks (8) are slidably connected with the slots (10).

5. A lightning arrester according to claim 4, wherein the conductive base body (1), the fixed base body (2) and the dismounting portion (4) are all arranged concentrically.