Lightning arrester convenient to install

Abstract

The utility model relates to the technical field of lightning arresters, and provides a lightning arrester convenient to install, which comprises a fixed seat and a lightning arrester body, the lightning arrester body is arranged on the fixed seat, a tensioning and fixing assembly is arranged between the fixed seat and the lightning arrester body, a conducting assembly is arranged in the fixed seat, the tensioning and fixing assembly comprises an inner cavity, and the conducting assembly is arranged in the inner cavity. The inner cavity is formed in the fixed seat, a circular groove is formed in the top of the fixed seat, a vertical stud is rotationally connected between the circular groove and the inner cavity, an internal threaded pipe is arranged at the bottom of the lightning arrester body, and the internal threaded pipe is in threaded fit connection with the vertical stud. According to the technical scheme, the problems that in the prior art, in the using process of lightning arresters in the market, workers need to climb the lightning arresters and then fix the lightning arresters through bolts, operation is troublesome, installation is inconvenient, and normal use of the lightning arresters is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lightning arrester technical field, specifically, a lightning arrester of convenient installation. BACKGROUND

[0002] Lightning arrester is used for protecting electrical equipment from high transient overvoltage and limiting the current flow time, and is also often used for limiting the current flow value of the electrical appliance, the present term includes any external gap necessary for the normal function of the electrical appliance when running and installing, regardless of whether it is a component as a whole, AC gapless metal oxide lightning arrester is used for protecting the insulation of AC power transmission and transformation equipment from lightning overvoltage and operating overvoltage, and is suitable for overvoltage protection of transformers, power transmission lines, power distribution screens, switch cabinets, power metering boxes, vacuum switches, shunt compensation capacitors, rotating electrical machines and semiconductor devices, lightning arrester is divided into many types, such as metal oxide lightning arrester, line type metal oxide lightning arrester, gapless line type metal oxide lightning arrester, fully insulated composite sheath metal oxide lightning arrester and detachable lightning arrester, the main working principle of each type of lightning arrester is different, but their working essence is the same, that is, to protect communication cables and communication equipment from damage, lightning arrester is connected between the cable and the ground, and is usually connected in parallel with the protected equipment, lightning arrester can effectively protect the communication equipment, once abnormal voltage occurs, lightning arrester will act, play a protective role, when the communication cable or equipment operates under normal working voltage, lightning arrester will not produce effect, and is regarded as open circuit to the ground, once high voltage occurs and endangers the insulation of the protected equipment, lightning arrester will immediately act, and guide the high voltage impact current to the ground, thereby limiting the voltage amplitude and protecting the insulation of the communication cable and equipment, when the overvoltage disappears, lightning arrester quickly restores to the original state, and enables the communication line to normally work.

[0003] However, the lightning arrester on the market needs to be fixed by using bolts after climbing by the staff in the process of use, which is troublesome and inconvenient to install, thereby affecting the normal use of the lightning arrester.

[0004] Therefore, the above problems are improved. UTILITY MODEL CONTENTS

[0005] The utility model provides a lightning arrester of convenient installation, solves the problem that the lightning arrester on the market in the related art needs to be fixed by using bolts after climbing by the staff in the process of use, which is troublesome and inconvenient to install, thereby affecting the normal use of the lightning arrester.

[0006] The technical scheme of the utility model is as follows:

[0007] The utility model discloses a lightning arrester of convenient installation, which comprises a fixing seat and a lightning arrester body, the lightning arrester body is arranged on the fixing seat,

[0008] A tensioning and fixing assembly is arranged between the fixing base and the lightning arrester body;

[0009] A conducting assembly is arranged inside the fixing base;

[0010] The tensioning and fixing assembly comprises an inner cavity which is arranged in the fixing base, a circular groove is arranged on the top of the fixing base, a vertical stud is rotatably connected between the circular groove and the inner cavity, an internally threaded pipe is arranged on the bottom of the lightning arrester body, and the internally threaded pipe is threadedly connected with the vertical stud.

[0011] As a further technical solution, a drive shaft is rotatably connected to the inner side surface of the inner cavity, a transmission gear is arranged on one end of the drive shaft and on the lower end of the vertical stud, the transmission gears are engaged with each other, and a pair of insertion grooves are arranged on the bottom of the lightning arrester body.

[0012] As a further technical solution, a clamping groove is arranged on both sides of the insertion groove, a pair of insertion blocks are arranged on the surface of the fixing base, the insertion blocks are inserted into the insertion grooves, and recesses are arranged on both sides of the insertion blocks.

[0013] As a further technical solution, a spring is arranged in the recess, one end of the spring is connected with a clamping block, the clamping block is arranged in the clamping groove, and the insertion block is sealingly and tightly connected with the insertion groove.

[0014] As a further technical solution, the conducting assembly comprises a pair of vertical grooves which are arranged on both ends of the surface of the fixing base, side grooves are arranged on both sides of the vertical grooves, and guide plates are arranged in the side grooves.

[0015] As a further technical solution, a pair of sealing seats are arranged on the bottom of the fixing base, the sealing seats are tightly connected with the surface of the fixing base, a conducting column is arranged on the bottom of the sealing seat, contact grooves are arranged on both sides of the conducting column, and the guide plates are tightly connected in the contact grooves.

[0016] As a further technical solution, a plurality of sleeve pipes are arranged around the surface of the fixing base, and the fixing base is connected with the sleeve pipes.

[0017] As a further technical solution, limiting grooves are arranged on both sides of the fixing base, and a pair of limiting columns are arranged on the bottom of the fixing base, the limiting columns are inserted into the limiting grooves.

[0018] As a further technical solution, the transmission gears are bevel gears.

[0019] As a further technical scheme, a connecting sleeve is arranged outside the fixing seat, and the connecting sleeve is sealingly connected outside the driving shaft.

[0020] The working principle and beneficial effects of the utility model are as follows:

[0021] 1. The utility model discloses a tensioning fixing assembly, through the mutual action of inner cavity, vertical stud, female threaded pipe, driving shaft, transmission gear, slot, plug, spring and clamping block, the lightning arrester body can be kept in a firm connection state by the threaded transmission mode, and the utility model discloses a very good fixing effect.

[0022] 2. The utility model discloses a conducting assembly, through the mutual action of vertical groove, guide sheet, conducting column and contact groove, the lightning arrester body can be kept in contact after installation by the patching mode, and the utility model discloses a very good sealing effect, and rainwater cannot be in. DRAWINGS

[0023] The utility model will be explained further in detail in connection with the drawings and specific embodiment.

[0024] Figure 1 It is structure schematic diagram of the utility model;

[0025] Figure 2 It is isometric drawing of the utility model;

[0026] Figure 3 It is isometric sectional view of the utility model;

[0027] Figure 4 It is another perspective isometric sectional view of the utility model;

[0028] Figure 5 It is attached Figure 3 of the utility model A partial close -up view;

[0029] Figure 6 It is attached Figure 3 of the utility model B partial close -up view;

[0030] In the drawing: 1, fixed seat;2, lightning arrester body;3, tensioning fixing assembly;3-1, inner cavity;3-2, circular groove;3-3, vertical stud;3-4, female threaded pipe;3-5, driving shaft;3-6, transmission gear;3-7, slot;3-8, clamping groove;3-9, plug;3-10, recess;3-11, spring;3-12, clamping block;4, conducting assembly;4-1, vertical groove;4-2, side groove;4-3, guide sheet;4-4, sealing seat;4-5, conducting column;4-6, contact groove;5, sleeve;6, limiting groove;7, limiting column;8, connecting sleeve. SPECIFIC EMBODIMENT

[0031] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0032] like Figures 1-6 As shown, this embodiment proposes a surge arrester that is easy to install, including...

[0033] The fixed base 1 and the surge arrester body 2 are mounted on the fixed base 1;

[0034] Tighten and fix the assembly 3, which is located between the fixing base 1 and the surge arrester body 2;

[0035] Conducting component 4 is disposed inside the fixing base 1;

[0036] The tensioning and fixing assembly 3 includes an inner cavity 3-1, which is located within a fixing seat 1. A circular groove 3-2 is formed on the top of the fixing seat 1. A vertical stud 3-3 is rotatably connected between the circular groove 3-2 and the inner cavity 3-1. An internally threaded tube 3-4 is provided at the bottom of the surge arrester body 2, and the internally threaded tube 3-4 is connected to the vertical stud 3-3 via a threaded connection. A drive shaft 3-5 is rotatably connected to the inner surface of the inner cavity 3-1. A transmission gear 3-6 is provided at one end of the drive shaft 3-5 and at the lower end of the vertical stud 3-3. The moving gears 3-6 mesh with each other. A pair of slots 3-7 are provided at the bottom of the arrester body 2. Slots 3-8 are provided on both sides of the slots 3-7. A pair of inserts 3-9 are provided on the surface of the fixing base 1. The inserts 3-9 are inserted into the slots 3-7. Grooves 3-10 are provided on both sides of the inserts 3-9. Springs 3-11 are provided in the grooves 3-10. One end of the springs 3-11 is connected to a locking block 3-12. The locking block 3-12 is located in the slots 3-8. The inserts 3-9 and the slots 3-7 are sealed and fitted together.

[0037] In this embodiment, in order to realize the effect of firmly fixing the fixed seat 1 and the lightning arrester body 2, a tensioning and fixing assembly 3 is designed, an inner cavity 3-1 is arranged in the fixed seat 1, a circular groove 3-2 is arranged at the top of the fixed seat 1 and communicates with the inner cavity 3-1, a vertical screw column 3-3 is rotatably connected at the communicating position, an inner threaded pipe 3-4 is arranged at the bottom of the lightning arrester body 2 and is connected with the vertical screw column 3-3 through thread cooperation, the vertical screw column 3-3 can be screwed in the inner threaded pipe 3-4, the lightning arrester body 2 is pulled tightly on the fixed seat 1, a driving shaft 3-5 is rotatably connected at one side in the inner cavity 3-1, a transmission gear 3-6 is arranged at the end of the driving shaft 3-5 and the lower end of the vertical screw column 3-3, the driving shaft 3-5 can be twisted to control the rotation of the vertical screw column 3-3, a pair of insertion grooves 3-7 are arranged at the bottom of the lightning arrester body 2, clamping grooves 3-8 are arranged at the inner two sides, two insertion blocks 3-9 are arranged on the surface of the fixed seat 1 and are inserted into the insertion grooves 3-7, recesses 3-10 are arranged at the two sides of the insertion blocks 3-9, springs 3-11 and clamping blocks 3-12 are arranged in the recesses 3-10, the clamping blocks 3-12 are inserted into the clamping grooves 3-8 through the elastic force of the springs 3-11 and can achieve a certain fixing effect.

[0038] Further, the conducting assembly 4 includes a pair of vertical grooves 4-1, the vertical grooves 4-1 are arranged at the two ends of the surface of the fixed seat 1, side grooves 4-2 are arranged at the inner two sides of the vertical grooves 4-1, guide plates 4-3 are arranged in the side grooves 4-2, a pair of sealing seats 4-4 are arranged at the bottom of the fixed seat 1 and are attached to the surface of the fixed seat 1, a conducting column 4-5 is arranged at the bottom of the sealing seat 4-4, contact grooves 4-6 are arranged at the two sides of the conducting column 4-5, and the guide plates 4-3 are attached in the contact grooves 4-6.

[0039] In this embodiment, in order to realize the effect of conducting the lightning arrester body 2 and the fixed seat 1, the conducting assembly 4 is designed, two vertical grooves 4-1 are arranged at the top of the fixed seat 1 and side grooves 4-2 are arranged at the inner two sides, guide plates 4-3 are arranged in the side grooves 4-2, two sealing seats 4-4 and a conducting column 4-5 are arranged at the bottom of the lightning arrester body 2, the conducting column 4-5 is inserted into the vertical grooves 4-1, contact grooves 4-6 are arranged at the two sides of the conducting column 4-5, and the guide plates 4-3 are attached in the contact grooves 4-6 and can communicate with the lightning arrester body 2.

[0040] Further, a plurality of sleeve pipes 5 are arranged around the surface of the fixed seat 1, and the fixed seat 1 communicates with the sleeve pipes 5.

[0041] In this embodiment, a plurality of sleeve pipes 5 are arranged, and bolts can be inserted into the sleeve pipes 5 to fix the fixed seat 1.

[0042] Further, limit grooves 6 are arranged at the two sides of the fixed seat 1, and a pair of limit columns 7 are arranged at the bottom of the fixed seat 1 and are inserted into the limit grooves 6.

[0043] In the embodiment, the limiting slot 6 is arranged, and the limiting column 7 at the bottom of the lightning arrester body 2 is matched, so that the correction effect is achieved, and the lightning arrester body 2 is conveniently and accurately connected with the fixing base 1.

[0044] Further, the transmission gears 3-6 are all bevel gears.

[0045] In the embodiment, the structure of the bevel gear is adopted, so that the transmission gears 3-6 achieve the transmission effect of 90°.

[0046] Further, the fixing base 1 is externally provided with the connecting sleeve 8, and the connecting sleeve 8 is sealingly connected outside the driving shaft 3-5.

[0047] In the embodiment, the connecting sleeve 8 is arranged, so that the sealing and fitting effect between the driving shaft 3-5 and the fixing base 1 is increased, and rainwater is avoided.

[0048] When the lightning arrester body 2 is needed to be used, the fixing base 1 is installed to a placing position, the bolt is passed through the sleeve pipe 5 and is connected and fixed, after the fixing, the lightning arrester body 2 is connected with the limiting slot 6 through the limiting column 7, is vertically inserted, the driving shaft 3-5 is screwed, the vertically inserted bolt 3-3 is driven through the transmission gears 3-6, the internally threaded pipe 3-4 is driven through the threaded cooperation, the lightning arrester body 2 is vertically and downwardly moved, the plug block 3-9 is inserted into the insertion slot 3-7, the clamping block 3-12 is clamped into the clamping slot 3-8, the guide sheet 4-3 is attached in the contact slot 4-6, and the installation is completed.

[0049] The above is only a preferable embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A surge arrester that is easy to install, characterized by The utility model relates to a lightning arrester fixed seat, including Fixed seat (1) and lightning arrester body (2), lightning arrester body (2) is arranged on fixed seat (1), Tension fixing assembly (3) is arranged between fixed seat (1) and lightning arrester body (2), Conducting assembly (4) is arranged inside fixed seat (1), Tension fixing assembly (3) includes inner chamber (3-1), and inner chamber (3-1) is opened in fixed seat (1), and circular slot (3-2) is opened in the top of fixed seat (1), and perpendicular stud (3-3) is rotatably connected between circular slot (3-2) and inner chamber (3-1), and inner threaded tube (3-4) is arranged in the bottom of lightning arrester body (2), and inner threaded tube (3-4) is connected through thread cooperation with perpendicular stud (3-3).

2. A surge arrester according to claim 1, wherein The inner side surface of inner chamber (3-1) rotatably connects drive shaft (3-5), and one end of drive shaft (3-5) and the lower end of perpendicular stud (3-3) are all provided with transmission gear (3-6), transmission gear (3-6) is engaged, and a pair of insertion slots (3-7) are opened in the bottom of lightning arrester body (2).

3. A surge arrester according to claim 2, wherein The both sides of insertion slot (3-7) are provided with clamping groove (3-8), and the surface of fixed seat (1) is provided with a pair of insertion blocks (3-9), insertion block (3-9) is inserted in insertion slot (3-7), and recess (3-10) is opened in the both sides of insertion block (3-9).

4. A surge arrester according to claim 3, wherein Spring (3-11) is arranged in recess (3-10), one end of spring (3-11) is connected with clamping block (3-12), and clamping block (3-12) is located in clamping groove (3-8), and insertion block (3-9) and insertion slot (3-7) are sealingly connected.

5. A surge arrester according to claim 1, wherein Conducting assembly (4) includes a pair of vertical grooves (4-1), and vertical groove (4-1) is opened in the both ends of the surface of fixed seat (1), and side groove (4-2) is opened in the both sides of vertical groove (4-1), and guide piece (4-3) is arranged in side groove (4-2).

6. A surge arrester according to claim 5, wherein A pair of sealing seats (4-4) are arranged in the bottom of fixed seat (1), and sealing seat (4-4) is attached to the surface of fixed seat (1), and lead-through column (4-5) is arranged in the bottom of sealing seat (4-4), and contact groove (4-6) is opened in the both sides of lead-through column (4-5), and guide piece (4-3) is attached in contact groove (4-6).

7. A surge arrester according to claim 1, wherein A plurality of sleeve pipes (5) are arranged on the surface of fixed seat (1), and fixed seat (1) is communicated with sleeve pipe (5).

8. A surge arrester according to claim 1, wherein Limiting groove (6) is opened in the both sides of fixed seat (1), and a pair of limiting columns (7) are arranged in the bottom of fixed seat (1), and limiting column (7) is inserted in limiting groove (6).

9. A surge arrester according to claim 2, wherein A pair of transmission gear (3-6) adopt bevel gear structure.

10. A surge arrester according to claim 2, wherein Connecting sleeve (8) is arranged on the outside of fixed seat (1), and connecting sleeve (8) is sealingly connected on the outside of drive shaft (3-5).

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