CN210837332U

CN210837332U - Maintenance-free low-cost lightning arrester

Info

Publication number: CN210837332U
Application number: CN201922361465.0U
Authority: CN
Inventors: 代中华
Original assignee: Hebei Fangda Electric Co ltd
Current assignee: Hebei Fangda Electric Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-06-23
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a non-maintaining low-cost type arrester, including waterproof box, the inside both ends of waterproof box are provided with the arrester body, the bottom of waterproof box is run through to the bottom of arrester body, first spacing ring has been cup jointed through the screw thread to the bottom of arrester body, there is first bolt bottom of arrester body through threaded connection, there is the support bottom of arrester body through first bolted connection, the bottom of support is provided with first terminal, the top of waterproof box is run through at the top of arrester body. The utility model effectively reduces the vibration frequency of the device and improves the safety of the device by arranging a plurality of groups of buffer plates, buffer boxes and springs; through the waterproof box, guard gate and the window that set up, with arrester body and external space isolated, avoid external factor to corrode the arrester body, extension fixture's life.

Description

Maintenance-free low-cost lightning arrester

Technical Field

The utility model relates to an arrester technical field especially relates to a low-cost type arrester of non-maintaining.

Background

An electrical appliance for protecting electrical equipment from high transient overvoltage during lightning strike, limiting follow current time, and also limiting follow current amplitude. Lightning arresters are sometimes also referred to as overvoltage protectors, overvoltage limiters.

The existing lightning arrester is not enough when in use, is used in outdoor installation and is exposed to the sun by wind in the use process, the appearance erosion of the lightning arrester seriously influences the service life of the lightning arrester, and the existing lightning arrester lacks an anti-seismic device and is easily blown by wind outdoors, so that the safety factor is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a maintenance-free low-cost lightning arrester.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a low-cost type arrester of non-maintaining, includes the waterproof box, the inside both ends of waterproof box are provided with the arrester body, the bottom of waterproof box is run through to the bottom of arrester body, the bottom of arrester body has cup jointed first spacing ring through the screw thread, there is first bolt bottom of arrester body through threaded connection, there is the support bottom of arrester body through first bolted connection, the bottom of support is provided with first terminal, the top of waterproof box is run through at the top of arrester body, the top of arrester body has cup jointed the second spacing ring through the screw thread, the top of arrester body is provided with the second terminal, the front of waterproof box articulates through the hinge has the guard gate, be provided with the window on the guard gate.

Preferably, the both ends of waterproof bottom of the case portion are fixed with the support column, the baffle-box has been cup jointed in the bottom activity of support column, the support column inserts the inside of baffle-box and is connected with the buffer board, the inside both ends of baffle-box are fixed with the guide post, buffer board and guide post swing joint, the bottom fixedly connected with fixture block of baffle-box, the base has been cup jointed in the activity on the fixture block, there is the second bolt at the both ends of base through threaded connection, base and fixture block are died through the second bolt lock.

Preferably, a spring is installed between the bottom of the buffer plate and the top of the inside of the buffer box.

Preferably, the number of the first limiting rings is two, and the two first limiting rings are respectively positioned inside and outside the waterproof box.

Preferably, the number of the second limiting rings is two, and the two second limiting rings are respectively positioned inside and outside the waterproof box.

Preferably, the waterproof box, the first limiting ring, the bracket and the second limiting ring are all made of insulating materials.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in during installation, at first push the fixture block in the base, rotatory second bolt, the second bolt dies fixture block and base lock, and fix the base at open air workplace, be connected first terminal and earth connection, the second terminal is connected with the high-voltage line, accomplish the installation of device, when the device receives external force, waterproof box drives the support column, the support column drives the buffer board along the axial motion of guide post in the buffer box, through setting up the multiunit buffer board, buffer box and spring, effective reducing mechanism's frequency of vibration, the security of improving device, and waterproof box through setting up, guard gate and window, with arrester body and exterior space isolated, avoid the external factor to corrode the arrester body, extension fixture's life.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a maintenance-free low-cost lightning arrester according to the present invention;

fig. 2 is a front view of a first embodiment of a maintenance-free low-cost lightning arrester according to the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of the maintenance-free low-cost lightning arrester according to the present invention;

fig. 4 is an installation schematic diagram of a base of the maintenance-free low-cost lightning arrester provided by the utility model.

In the figure: 1 waterproof box, 2 arrester bodies, 3 first spacing rings, 4 supports, 5 first bolts, 6 first terminals, 7 second spacing rings, 8 second terminals, 9 guard gate, 10 windows, 11 support columns, 12 baffle-boxes, 13 buffer boards, 14 guide posts, 15 springs, 16 fixture blocks, 17 bases, 18 second bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to fig. 1-2, a low-cost type arrester of non-maintaining, including waterproof box 1, waterproof box 1 is inside both ends are provided with arrester body 2, the bottom of waterproof box 1 is run through to the bottom of arrester body 2, first spacing ring 3 has been cup jointed through the screw thread to the bottom of arrester body 2, there is first bolt 5 bottom of arrester body 2 through threaded connection, the bottom of arrester body 2 is connected with support 4 through first bolt 5, the bottom of support 4 is provided with first terminal 6, the top of waterproof box 1 is run through to the top of arrester body 2, second spacing ring 7 has been cup jointed through the screw thread to the top of arrester body 2, the top of arrester body 2 is provided with second terminal 8, the front of waterproof box 1 articulates through the hinge has guard gate 9, be provided with window 10 on the guard gate 9.

Wherein, the quantity of first spacing ring 3 is two, and two first spacing rings 3 are located the inside and outside of waterproof box 1 respectively.

Wherein, the quantity of second spacing ring 7 is two, and two second spacing rings 7 are located the inside and outside of waterproof case 1 respectively.

The waterproof box 1, the first limiting ring 3, the bracket 4 and the second limiting ring 7 are all made of insulating materials.

Example two:

referring to fig. 3-4, a low-cost type arrester of non-maintaining, including waterproof box 1, waterproof box 1 is inside both ends are provided with arrester body 2, the bottom of waterproof box 1 is run through to the bottom of arrester body 2, first spacing ring 3 has been cup jointed through the screw thread to the bottom of arrester body 2, there is first bolt 5 bottom of arrester body 2 through threaded connection, the bottom of arrester body 2 is connected with support 4 through first bolt 5, the bottom of support 4 is provided with first terminal 6, the top of waterproof box 1 is run through to the top of arrester body 2, second spacing ring 7 has been cup jointed through the screw thread to the top of arrester body 2, the top of arrester body 2 is provided with second terminal 8, the front of waterproof box 1 articulates through the hinge has guard gate 9, be provided with window 10 on the guard gate 9.

Wherein, the both ends of waterproof box 1 bottom are fixed with support column 11, buffer box 12 has been cup jointed in the bottom activity of support column 11, support column 11 inserts the inside of buffer box 12 and is connected with buffer board 13, the inside both ends of buffer box 12 are fixed with guide post 14,

buffer board

13 and 14 swing joint of guide post, the bottom fixedly connected with fixture block 16 of buffer box 12, base 17 has been cup jointed in the activity on fixture block 16, there is second bolt 18 at the both ends of base 17 through threaded connection, base 17 and fixture block 16 are dead through the 18 locks of second bolt.

Wherein a spring 15 is installed between the bottom of the buffer plate 13 and the top of the inside of the buffer tank 12.

The working principle is as follows: during the installation, at first push fixture block 16 into base 17, rotatory second bolt 18, second bolt 18 dies fixture block 16 and base 17 lock, and fix base 17 in outdoor workplace, be connected first terminal 6 with the earth connection, second terminal 8 is connected with the high-voltage line, the installation of completion device, when the device receives external force, waterproof box 1 drives support column 11, support column 11 drives buffer board 13 along the axial motion of guide post 14 in buffer box 12, through setting up multiunit buffer board 13, buffer box 12 and spring 15, effectively reduce the vibration frequency of device, the security of device is improved, and through waterproof box 1 that sets up, guard gate 9 and window 10, it is isolated with exterior space with arrester body 2, avoid external factor to corrode arrester body 2, the life of extension fixture.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The maintenance-free low-cost arrester comprises a waterproof box (1) and is characterized in that arrester bodies (2) are arranged at two ends of the interior of the waterproof box (1), the bottom of each arrester body (2) penetrates through the bottom of the waterproof box (1), a first limiting ring (3) is sleeved at the bottom of each arrester body (2) through a thread, a first bolt (5) is connected at the bottom of each arrester body (2) through a thread, a support (4) is connected at the bottom of each arrester body (2) through the first bolt (5), a first binding post (6) is arranged at the bottom of the support (4), the top of each arrester body (2) penetrates through the top of the waterproof box (1), a second limiting ring (7) is sleeved at the top of each arrester body (2) through a thread, and a second binding post (8) is arranged at the top of each arrester body (2), the front of the waterproof box (1) is hinged with a protective door (9) through a hinge, and a window (10) is arranged on the protective door (9).

2. The maintenance-free low-cost lightning arrester according to claim 1, characterized in that two ends of the bottom of the waterproof box (1) are fixed with support columns (11), the bottom of each support column (11) is movably sleeved with a buffer box (12), each support column (11) is inserted into the buffer box (12) and is connected with a buffer plate (13), two ends of the inside of each buffer box (12) are fixed with guide columns (14), each buffer plate (13) is movably connected with the guide columns (14), the bottom of each buffer box (12) is fixedly connected with a fixture block (16), a base (17) is movably sleeved on each fixture block (16), two ends of each base (17) are connected with second bolts (18) through threads, and each base (17) and each fixture block (16) are locked through the second bolts (18).

3. A maintenance-free low-cost arrester according to claim 2, characterized in that a spring (15) is mounted between the bottom of the buffer plate (13) and the top of the interior of the buffer tank (12).

4. A maintenance-free low-cost arrester according to claim 1, characterized in that the number of the first limiting rings (3) is two, and the two first limiting rings (3) are respectively located inside and outside the waterproof box (1).

5. A maintenance-free low-cost arrester according to claim 1, characterized in that the number of the second limit rings (7) is two, and the two second limit rings (7) are respectively located inside and outside the waterproof box (1).

6. A maintenance-free low-cost arrester according to claim 1, characterized in that the waterproof box (1), the first limit ring (3), the bracket (4) and the second limit ring (7) are all made of insulating materials.