CN219778610U - Shielding type separable plug-in type lightning arrester - Google Patents

Abstract

The utility model discloses a shielding type separable plug-in type lightning arrester, which comprises a grounding bolt, a lightning arrester shell and a rear plug, wherein a protection structure is arranged on the outer side of a shielding layer, a protection end cap is sleeved on one side of the rear plug, and a replacement structure is arranged in the protection end cap. According to the utility model, six groups of clamping blocks are driven to enter the protection end cap by simultaneously pulling the two groups of connecting plates, so that the protection end cap is conveniently pulled to leave the rear plug for disassembly, then a new protection end cap is sleeved on the rear plug, the connecting plates are pulled to drive the clamping blocks to enter the protection end cap, so that the protection end cap is conveniently pushed to be positioned on the two groups of positioning posts through the two groups of holes, and meanwhile, the pull handle is released, so that the telescopic spring rebounds to push the clamping blocks to be inserted into the rear plug to clamp and fix the replaced protection end cap, thereby realizing the convenient replacement function of the device, improving the convenience of the device, reducing the workload of additionally taking tools and reducing the replacement difficulty.

Description

Shielding type separable plug-in type lightning arrester

Technical Field

The utility model relates to the technical field of lightning arresters, in particular to a shielding type separable plug-in type lightning arrester.

Background

The arrester is also called overvoltage protector, overvoltage limiter, is used for protecting electrical equipment from high transient overvoltage and limiting the follow current time and also limiting the follow current amplitude value frequently, and is divided into a plurality of types, including metal oxide arrester, line type metal oxide arrester, gapless line type metal oxide arrester, all-insulated composite cover metal oxide arrester, detachable arrester, the main working principle of each type of arrester is different, but the working substance is the same, and all the lightning arresters are used for protecting communication cables and communication equipment from damage;

the prior technical proposal has the following defects: the current device has the defect that is inconvenient for changing the protection end cap when using, can make the protection end cap on the plug-in type arrester like this after damaging, can not timely change, seriously influences the security of electric capacity test point and insulating cock cover, and traditional protection end cap generally is the bolt fastening, needs the staff to take the instrument and twists hard and moves and dismouting, increases staff's amount of labour, and dismouting operation is comparatively troublesome to lead to the convenience of device to reduce.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a shielding type separable plug-in type lightning arrester so as to solve the problems in the background art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a shielding type separable plug-in arrester, includes ground bolt, arrester shell and back plug, the brass closing cap is installed on ground bolt's top, and the inside threaded connection of brass closing cap has the arrester shell, and the outside of arrester shell is provided with the shielding layer, the outside of shielding layer is provided with protection architecture, the internally mounted of arrester shell has the arrester core, and the inside grafting on arrester core top has connecting bolt, and one side of connecting bolt is provided with the electric capacity test point, the outside threaded connection of connecting bolt one end has the insulating cock cap, the top of arrester shell is fixed with the back plug, and the top of back plug is provided with the insulator end cover, one side cover of back plug is equipped with the protection end cap, and the inside of protection end cap is provided with the change structure, the change structure includes fixture block, telescopic spring, pull rod, connecting plate and reference column, telescopic spring all sets up the inside at the protection end cap both ends, telescopic spring's bottom is fixed with the fixture block, telescopic spring's inside is inserted and is equipped with the pull rod, and one side that just is fixed with the connecting plate, the reference column is provided with the fixture block.

The shielding type separable plug-in arrester of the technical scheme is used, two groups of connecting plates are pulled simultaneously, so that the connecting plates drive three groups of clamping blocks to compress three groups of telescopic springs to leave from a rear plug, the protective end cap is pulled rightward to leave from the rear plug for rapid disassembly, a new protective end cap is sleeved on the rear plug, the two groups of connecting plates are pulled to drive six groups of clamping blocks to enter the protective end cap, two groups of holes on the protective end cap are pushed to align and are sleeved on two groups of positioning columns for positioning, and the two groups of connecting plates are loosened simultaneously, so that the telescopic springs rebound to push the clamping blocks to be inserted into the rear plug, and the replaced protective end cap is clamped and fixed.

Preferably, the protection architecture includes bubble cotton cover, rubber cover, antislip strip and inserted block, bubble cotton cover is established in the outside of shielding layer, the outside cover of bubble cotton cover is equipped with the rubber cover, and all is provided with the inserted block on the inner wall of rubber cover, all be provided with the antislip strip on the outer wall of rubber cover. The surface through bubble cotton cover at the shielding layer is convenient for strengthen the protection to the shielding layer, prevent that the shielding layer atress from colliding the damage, influence the effect of shielding, the multiunit hole that inserts bubble cotton cover is aligned to the inserted block of multiunit rubber material immediately fixes a position the rubber cover, make the rubber cover wrap up bubble cotton cover, prevent that it exposes to receive the collision damage, play the secondary simultaneously and wrap up the shielding layer and strengthen the effect of protection, increase the frictional force of hand and rubber cover contact through multiunit antislip strip, prevent that the device from taking off the hand and dropping and breaking.

Preferably, the inner diameter of the foam cotton sleeve is equal to the diameter of the shielding layer, so that the foam cotton sleeve can be just sleeved on the shielding layer to be attached to the surface of the shielding layer, and the rubber sleeve and the foam cotton sleeve are positioned on the same horizontal plane, so that the rubber sleeve is sleeved on the outer side of the foam cotton sleeve to fix and protect the foam cotton sleeve, and the foam cotton sleeve is prevented from sliding off or being damaged by collision.

Preferably, the anti-slip strips are arranged on the outer side of the rubber sleeve in a plurality of groups, and the anti-slip strips in the plurality of groups are distributed at equal intervals on the outer side of the rubber sleeve, so that the plurality of groups of anti-slip strips are uniformly distributed on the surface of the rubber sleeve, the friction force between the hand taking device and the rubber sleeve is conveniently increased, and the hand is prevented from slipping due to moisture.

Preferably, the pull rod penetrates through the telescopic spring to be connected with the clamping block, so that the bottom end of the pull rod is connected with the top end of the clamping block, the pull rod is convenient to pull the clamping block, and a plurality of groups of clamping blocks are arranged. The inside of the rear plug is strengthened to the multiunit fixture block simultaneously, is convenient for strengthen the stability of protection end cap at the rear plug surface.

Preferably, the positioning column and the rear plug are of an integrated structure, so that the positioning column is connected with the rear plug more tightly, the positioning column and the rear plug are prevented from separating and falling off conveniently, the positioning column is symmetrically distributed on one side of the rear plug, the symmetrically distributed positioning column is inserted into the protection end cap, and the protection end cap is conveniently positioned in advance.

Preferably, the telescopic spring and the clamping block form a telescopic structure, the clamping block moves up and down along with the telescopic action of the telescopic spring, the clamping block is convenient to insert or leave the inside of the rear plug quickly, two ends of the telescopic spring are connected with the inner wall of the protection end cap and the clamping block respectively, the protection end cap supports and fixes the telescopic spring, and the pull rod is convenient to drive the clamping block to move in a telescopic way.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: the shielding type separable plug-in type lightning arrester is reasonable in structure and has the following advantages:

(1) The six groups of clamping blocks are driven to enter the protection end cap by simultaneously pulling the two groups of connecting plates, so that the protection end cap is conveniently pulled to leave the rear plug for disassembly, a new protection end cap is sleeved on the rear plug, the connecting plates are pulled to drive the clamping blocks to enter the protection end cap, the protection end cap is conveniently pushed to be positioned on the two groups of positioning posts through the two groups of holes, and meanwhile, the pull handle is loosened, so that the telescopic spring rebounds to push the clamping blocks to be inserted into the rear plug for clamping and fixing the replaced protection end cap, the convenient replacement function of the device is realized, the convenience of the device is improved, the workload of additionally taking tools is reduced, and the replacement difficulty is reduced;

(2) Through bubble cotton cover on the shielding layer, prevent the shielding layer atress in the transportation is damaged, the multiunit hole of bubble cotton cover is inserted to the inserted block of multiunit rubber material immediately fixes a position the rubber cover, make the rubber cover fix bubble cotton cover parcel, prevent that bubble cotton cover from receiving the collision damage, play the effect that the secondary was protected the shielding layer simultaneously, increase the contact friction of hand through multiunit antislip strip, prevent that the device from taking off the hand and dropping, thereby realized the enhancement protect function of this device, improved the functionality of this device, guarantee the security of arrester shell, prevent the shielding layer damage influence the effect of shielding.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of a protective structure according to the present utility model;

fig. 4 is an enlarged partial sectional view of fig. 1 according to the present utility model.

Reference numerals in the drawings illustrate: 1. a grounding bolt; 2. a brass cover; 3. a protective structure; 301. soaking cotton sleeves; 302. a rubber sleeve; 303. an anti-slip strip; 304. inserting blocks; 4. a shielding layer; 5. a lightning arrester housing; 6. a rear plug is connected; 7. an insulator end cap; 8. replacing the structure; 801. a clamping block; 802. a telescopic spring; 803. a pull rod; 804. a connecting plate; 805. positioning columns; 9. protecting the end cap; 10. a capacitance test point; 11. an insulating plug cover; 12. a connecting bolt; 13. a lightning arrester core.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-4, the shielding separable plug-in arrester provided by the utility model comprises a grounding bolt 1, an arrester housing 5 and a rear plug 6, wherein the top end of the grounding bolt 1 is provided with a brass sealing cover 2, the inner thread of the brass sealing cover 2 is connected with the arrester housing 5, the outer side of the arrester housing 5 is provided with a shielding layer 4, the outer side of the shielding layer 4 is provided with a protection structure 3, the inner part of the arrester housing 5 is provided with an arrester core 13, the inner part of the top end of the arrester core 13 is plugged with a connecting bolt 12, one side of the connecting bolt 12 is provided with a capacitor test point 10, the outer thread of one end of the connecting bolt 12 is connected with an insulating plug cover 11, the top end of the arrester housing 5 is fixedly provided with the rear plug 6, the top end of the rear plug 6 is provided with an insulator end cover 7, one side of the rear plug 6 is sleeved with a protection end cap 9, the inner part of the protection end cap 9 is provided with a replacement structure 8, the replacement structure 8 comprises a fixture block 801, a telescopic spring 802, a connecting plate 804 and a positioning column 805, the telescopic spring 802 is arranged at the inner ends 802 of the protection structure 802, the two ends 802 are respectively, the bottom ends of the telescopic spring 802 are fixedly connected with the positioning column 803, the two ends of the positioning column 801 are fixedly connected with the positioning column 801, the fixture block 801 are fixedly connected with the positioning column 803, and the positioning column 801 are fixedly connected with the two ends of the positioning column 801, and the positioning column 801 are fixedly connected with the end of the jack 801, and the positioning column 801 are integrally.

The working principle of the shielding type separable plug-in type lightning arrester based on the first embodiment is as follows: the lightning arrester shell 5 is arranged at a designated position near a distribution transformer, a line is connected, the installation device is grounded through the grounding bolt 1, then the rear plug 6 is aligned with the front connector and inserted, then the rear plug 6 is rotated to enable the connecting bolt 12 to be meshed with a screw groove in the front connector and screwed tightly for fixing, when overvoltage occurs to the line, the lightning arrester core 13 is convenient for effectively guiding voltage to the grounding position through the grounding bolt 1 for guiding out, meanwhile, the shielding layer 4 additionally arranged on the lightning arrester shell 5 enables the electric field distribution of the position to be more uniform, the lightning protection effect is ensured, the state of loop operation can be checked through the capacitor test point 10, the tail of the rear plug 6 is insulated and sealed by the insulating plug 11, the safety of the capacitor test point 10 is improved, then the insulating plug 11 is protected by the protecting end cap 9, the protection plug cover 11 is prevented from being damaged to reduce the safety of the capacitor test point 10, when the damaged protection end cap 9 needs to be replaced, the two groups of pull handles are held and simultaneously pulled to enable the connection plate 804 to drive the three groups of clamping blocks 801 to compress the three groups of telescopic springs 802 to leave the rear plug 6 and enter the protection end cap 9, the protection end cap 9 is conveniently pulled rightwards to leave the rear plug 6 for quick disassembly, then the new protection end cap 9 is sleeved on the rear plug 6, the two groups of connection plates 804 are pulled to drive the six groups of clamping blocks 801 to enter the protection end cap 9, the two groups of holes on the protection end cap 9 are conveniently pushed to align and sleeve on the two groups of positioning posts 805 to be positioned, the two groups of pull handles are simultaneously loosened, the six groups of telescopic springs 802 are elastically pushed to insert the six groups of clamping blocks 801 into the rear plug 6, the replaced protecting end cap 9 is convenient to clamp and fix on the surface of the rear plug 6 for use.

Example two

The embodiment comprises the following steps: the protection architecture 3 includes bubble cotton cover 301, rubber cover 302, antislip strip 303 and inserted block 304, bubble cotton cover 301 cover is established in the outside of shielding layer 4, bubble cotton cover 301's outside cover is equipped with rubber cover 302, and all be provided with inserted block 304 on the inner wall of rubber cover 302, all be provided with antislip strip 303 on the outer wall of rubber cover 302, bubble cotton cover 301's internal diameter equals shielding layer 4's diameter, rubber cover 302 and bubble cotton cover 301 are located same horizontal plane, antislip strip 303 is provided with a plurality of groups in the outside of rubber cover 302, and a plurality of groups antislip strip 303 are equidistant distribution in the outside of rubber cover 302.

In this embodiment, the surface of the shielding layer 4 is convenient to strengthen and protect the shielding layer 4 through the foam sleeve 301, so that the shielding layer 4 in transportation is prevented from being damaged due to the stress collision, the shielding effect is affected, then the rubber sleeve 302 is positioned by respectively aligning and inserting the plurality of groups of rubber material inserts 304 on the rubber sleeve 302 into the holes of the foam sleeve 301, the foam sleeve 301 is sleeved and fixed on the surface of the foam sleeve 301 by overlapping the rubber sleeve 302, the foam sleeve 301 is prevented from being exposed and damaged due to the collision, and meanwhile, the shielding layer 4 is wrapped for strengthening and protecting, the friction force between the hands and the rubber sleeve 302 is increased through the plurality of groups of anti-slip strips 303, so that the hand is prevented from sweating, and the device is prevented from falling off and falling down.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a separable plug-in arrester of shielding type, includes ground bolt (1), arrester shell (5) and rear plug (6), its characterized in that: the utility model discloses a lightning arrester, including ground bolt (1), lightning arrester shell (5), shielding layer (4), protection structure (3) are provided in the outside of shielding layer (4), lightning arrester core (13) are installed on the internally mounted of lightning arrester shell (5), and connect bolt (12) are pegged graft in the inside on lightning arrester core (13) top, and one side of connecting bolt (12) is provided with electric capacity test point (10), the outside threaded connection of connecting bolt (12) one end has insulating cock cap (11), the top of lightning arrester shell (5) is fixed with rear plug (6), and the top of rear plug (6) is provided with insulator end cover (7), one side cover of rear plug (6) is equipped with protection end cap (9), and the inside of protection end cap (9) is provided with change structure (8), change structure (8) including fixture block (801), telescopic spring (802), connecting rod (803) and locating stud (805) are fixed at both ends of telescopic spring (805) inside fixture block (801), the telescopic spring (802) is internally inserted with a pull rod (803), the top end of the pull rod (803) is fixed with a connecting plate (804), and one side of the clamping block (801) is provided with a positioning column (805).

2. A shielded separable plug-in arrester as recited in claim 1, wherein: the protection architecture (3) is including bubble cotton cover (301), rubber cover (302), antislip strip (303) and inserted block (304), the outside at shielding layer (4) is established to bubble cotton cover (301) cover, the outside cover of bubble cotton cover (301) is equipped with rubber cover (302), and all is provided with inserted block (304) on the inner wall of rubber cover (302), all be provided with antislip strip (303) on the outer wall of rubber cover (302).

3. A shielded separable plug-in arrester as recited in claim 2, wherein: the inner diameter of the foam sleeve (301) is equal to the diameter of the shielding layer (4), and the rubber sleeve (302) and the foam sleeve (301) are positioned on the same horizontal plane.

4. A shielded separable plug-in arrester as recited in claim 2, wherein: the anti-slip strips (303) are arranged on the outer side of the rubber sleeve (302), and the anti-slip strips (303) of the plurality of groups are distributed on the outer side of the rubber sleeve (302) at equal intervals.

5. A shielded separable plug-in arrester as recited in claim 1, wherein: the pull rod (803) penetrates through the telescopic spring (802) to be connected with the clamping block (801), and a plurality of groups of clamping blocks (801) are arranged.

6. A shielded separable plug-in arrester as recited in claim 1, wherein: the positioning columns (805) and the rear plug (6) are of an integrated structure, and the positioning columns (805) are symmetrically distributed on one side of the rear plug (6).

7. A shielded separable plug-in arrester as recited in claim 1, wherein: the telescopic spring (802) and the clamping block (801) form a telescopic structure, and two ends of the telescopic spring (802) are respectively connected with the inner wall of the protection end cap (9) and the clamping block (801).