Lightning arrester convenient to mount and dismount

Abstract

The utility model relates to the technical field of electrical protection equipment, and discloses a lightning arrester convenient to assemble and disassemble, a fixing device is composed of a base, a bidirectional threaded rod, a fixed rod, a sliding block, a threaded block, a connecting block, an arc-shaped block, a fixed cylinder, a movable rod, an annular block, a fixed block, a spring and a limiting block, and the two-way threaded rod is rotationally mounted in the base. According to the lightning arrester convenient to mount and dismount, by pulling and rotating a moving rod, a fixed block can enter an arc-shaped groove, the moving rod can be limited, a lightning arrester main body is placed at the top of a connecting block, a bidirectional threaded rod is driven by a rotating handle to rotate, the arc-shaped block can basically limit the lightning arrester main body, the moving rod is rotated, and the lightning arrester main body can be conveniently mounted and dismounted. And under the action of the spring, the fixing block is separated from the arc-shaped groove and enters the sliding groove, so that the limiting block can limit the lightning arrester main body, the fixing effect is good, and the lightning arrester main bodies with different specifications can be fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical protection equipment, in particular to a lightning arrester which is easy to install and disassemble. Background Art

[0002] Lightning arresters, as a key electrical protection device, play a vital role in the power system. They are designed to ensure that electrical equipment can be effectively protected from high transient overvoltages caused by lightning, operational overvoltages or system failures.

[0003] The patent with application number 202320940784.0 discloses a lightning arrester base that is easy to install, including a base, a clamping seat is fixedly installed on the top of the base, a counterweight seat is clamped inside the clamping seat, a positioning angle cone is fixedly installed on the bottom of the counterweight seat, and the positioning angle cone passes through the interior of the base, and limiting blocks are fixedly installed on all four sides of the outer surface of the counterweight seat, a limiting slot is provided on the inner wall of the clamping seat, and the limiting block is clamped inside the limiting slot, a mounting seat is fixedly installed on the top of the counterweight seat, a limiting cover is clamped on the top of the base, and the outer surface of the base is rotatably connected with connecting shafts on all four sides.

[0004] The arrester base is easy to install, and the base structure is fixed by means of mounting plates and fixing bolts. After the counterweight seat is plugged in, the positioning angle cone can be plugged in. The counterweight seat itself has a certain weight, thereby increasing the stability of the device during installation and use, providing a stable installation structure, and adding convenience to the installation of the arrester. However, there are still areas that can be improved. For example, the device can only fix arresters of the same specifications, and its practicality is low, which cannot meet current needs. Utility Model Content

[0005] The purpose of the present utility model is to provide a lightning arrester that is easy to install and disassemble, so as to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a lightning arrester that is easy to install and disassemble, comprising a base, a fixing device is provided on the top of the base, and a lightning arrester body is provided on the top of the fixing device.

[0007] The fixing device consists of a base, a two-way threaded rod, a fixed rod, a slider, a threaded block, a connecting block, an arc block, a fixed cylinder, a moving rod, an annular block, a fixed block, a spring, and a limit block. The base is fixedly installed on the top of the base, the two-way threaded rod is rotatably installed inside the base, the fixed rod is fixedly installed inside the base, the slider is slidably installed on the surface of the fixed rod, the threaded block is threadedly installed on the surface of the two-way threaded rod, the connecting block is fixedly installed on the top of the threaded block, the arc block is fixedly installed on the top of the connecting block, the fixing cylinder is fixedly installed on the side of the arc block, the moving rod is slidably installed inside the fixed cylinder, the annular block is fixedly installed on the surface of the moving rod, the fixed block is fixedly installed on the surface of the annular block, the spring is sleeved on the surface of the moving rod, and the limit block is fixedly installed on the side of the moving rod.

[0008] Preferably, the connecting block is connected to the threaded block and fixedly connected to the slider at the same time. By rotating the bidirectional threaded rod, the slider can slide on the surface of the fixed rod, and cooperate with the threaded block to enable the connecting block to move better.

[0009] Preferably, a turning handle is fixedly mounted on the side surface of the bidirectional threaded rod, and the turning handle can drive the bidirectional threaded rod to rotate.

[0010] Preferably, the surface of the fixed cylinder is provided with a sliding groove and an arc groove that match the fixed block, and the sliding groove and the arc groove are connected. By pulling and rotating the movable rod, under the action of the annular block, the fixed block can move in the sliding groove and enter the arc groove, thereby limiting the movable rod.

[0011] Preferably, one end of the spring is connected to the fixing cylinder, and the other end of the spring is connected to the annular block, and a spring is provided for resetting the annular block.

[0012] Preferably, a limiting groove matching the limiting block is provided inside the arrester body, and this arrangement can limit the arrester body through the limiting block.

[0013] Preferably, the arc block, fixed cylinder, movable rod, annular block, fixed block, spring and limit block are all grouped together, and there are two groups symmetrically arranged on the side of the arrester body. Two groups of these components can better fix the arrester body.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the arrester, which is easy to install and disassemble, can make the fixed block enter the arc groove by pulling and rotating the moving rod, and can limit the moving rod. The arrester body is placed on the top of the connecting block, and the bidirectional threaded rod is driven to rotate by the turning handle, so that the arc block can basically limit the arrester body. By rotating the moving rod, under the action of the spring, the fixed block disengages from the arc groove and enters the slide groove, so that the limit block can limit the arrester body. The fixing effect is good, and arrester bodies of different specifications can be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the base, bidirectional threaded rod and fixed rod of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the movable rod, the annular block and the fixed block of the utility model;

[0019] Figure 5 This is a schematic diagram of the overall structure of the fixed cylinder of the utility model.

[0020] In the figure: 1. Base; 2. Lightning arrester body; 3. Fixing device; 301. Base; 302. Bidirectional threaded rod; 303. Fixing rod; 304. Slider; 305. Threaded block; 306. Connecting block; 307. Arc block; 308. Fixing cylinder; 309. Moving rod; 310. Ring block; 311. Fixing block; 312. Spring; 313. Limiting block. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 The utility model provides a technical solution: a lightning arrester that is easy to install and disassemble, including a base 1, a fixing device 3 is provided on the top of the base 1, and a lightning arrester body 2 is provided on the top of the fixing device 3.

[0023] The fixing device 3 is composed of a base 301, a two-way threaded rod 302, a fixed rod 303, a slider 304, a threaded block 305, a connecting block 306, an arc block 307, a fixed cylinder 308, a moving rod 309, an annular block 310, a fixed block 311, a spring 312, and a limit block 313. The base 301 is fixedly mounted on the top of the base 1, the two-way threaded rod 302 is rotatably mounted inside the base 301, and a handle is fixedly mounted on the side of the two-way threaded rod 302, which can drive the two-way threaded rod 302 to rotate. The fixed rod 303 is fixedly mounted inside the base 301, and the slider 304 The sliding part 306 is fixedly mounted on the surface of the fixed rod 303, the threaded block 305 is threadedly mounted on the surface of the bidirectional threaded rod 302, and the connecting block 306 is fixedly mounted on the top of the threaded block 305. The connecting block 306 and the threaded block 305 are connected and fixedly connected to the slider 304 at the same time. By rotating the bidirectional threaded rod 302, the slider 304 can slide on the surface of the fixed rod 303, and cooperate with the threaded block 305 to make the connecting block 306 move better. The arc block 307 is fixedly mounted on the top of the connecting block 306, the fixed cylinder 308 is fixedly mounted on the side of the arc block 307, and the moving rod 309 is slidably mounted on the fixed rod 303. The inner part of the fixed cylinder 308, the annular block 310 is fixedly mounted on the surface of the moving rod 309, and the fixed block 311 is fixedly mounted on the surface of the annular block 310. The surface of the fixed cylinder 308 is provided with a sliding groove and an arc groove that match the fixed block 311, and the sliding groove and the arc groove are connected. By pulling and rotating the moving rod 309, under the action of the annular block 310, the fixed block 311 can be moved in the sliding groove and enter the arc groove, which can limit the moving rod 309. The spring 312 is sleeved on the surface of the moving rod 309, one end of the spring 312 is connected to the fixed cylinder 308, and the other end of the spring 312 is connected to the annular block 310. The arc block 307, the fixed cylinder 308, the moving rod 309, the annular block 310, the fixed block 311, the spring 312 and the limit block 313 are connected and are used to reset the annular block 310. The limit block 313 is fixedly installed on the side of the moving rod 309. The interior of the arrester body 2 is provided with a limit groove that matches the limit block 313. The arrangement can limit the arrester body 2 through the limit block 313. The arc block 307, the fixed cylinder 308, the moving rod 309, the annular block 310, the fixed block 311, the spring 312 and the limit block 313 are all grouped together. There are two groups symmetrically arranged on the side of the arrester body 2. Two groups of this component are provided to better fix the arrester body 2.

[0024] When in use, pull and rotate the moving rod 309. Under the action of the annular block 310, the fixed block 311 can move in the slide groove and enter the arc groove, which can limit the moving rod 309. Place the lightning arrester body 2 on the top of the connecting block 306, and drive the bidirectional threaded rod 302 to rotate by turning the handle. The slider 304 can slide on the surface of the fixed rod 303, and cooperate with the threaded block 305 to move the connecting block 306, so that the arc block 307 can basically limit the lightning arrester body 2. Rotate the moving rod 309. Under the action of the spring 312, the fixed block 311 disengages from the arc groove and enters the slide groove, which can make the limiting block 313 enter the limiting groove, which can limit the lightning arrester body 2.

[0025] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A lightning arrester that is easy to install and disassemble, comprising a base (1), characterized in that: A fixing device (3) is provided on the top of the base (1), and a lightning arrester body (2) is provided on the top of the fixing device (3); The fixing device (3) is composed of a base (301), a bidirectional threaded rod (302), a fixed rod (303), a slider (304), a threaded block (305), a connecting block (306), an arc block (307), a fixing cylinder (308), a moving rod (309), an annular block (310), a fixed block (311), a spring (312), and a limit block (313). The base (301) is fixedly mounted on the top of the base (1), the bidirectional threaded rod (302) is rotatably mounted inside the base (301), the fixed rod (303) is fixedly mounted inside the base (301), the slider (304) is slidably mounted on the surface of the fixed rod (303), and the threaded block (305) is threadedly mounted on the surface of the bidirectional threaded rod (302), the connecting block (306) is fixedly mounted on the top of the threaded block (305), the arc block (307) is fixedly mounted on the top of the connecting block (306), the fixed cylinder (308) is fixedly mounted on the side of the arc block (307), the moving rod (309) is slidably mounted inside the fixed cylinder (308), the annular block (310) is fixedly mounted on the surface of the moving rod (309), the fixed block (311) is fixedly mounted on the surface of the annular block (310), the spring (312) is sleeved on the surface of the moving rod (309), and the limit block (313) is fixedly mounted on the side of the moving rod (309).

2. The arrester that is easy to install and disassemble according to claim 1, characterized in that: The connecting block (306) is connected to the threaded block (305) and is fixedly connected to the slider (304).

3. The arrester that is easy to install and disassemble according to claim 1, characterized in that: A turning handle is fixedly mounted on the side of the bidirectional threaded rod (302).

4. The arrester that is easy to install and disassemble according to claim 1, characterized in that: The surface of the fixing cylinder (308) is provided with a sliding groove and an arc groove that match the fixing block (311), and the sliding groove and the arc groove are connected.

5. The arrester that is easy to install and disassemble according to claim 1, characterized in that: One end of the spring (312) is connected to the fixing cylinder (308), and the other end of the spring (312) is connected to the annular block (310).

6. The arrester that is easy to install and disassemble according to claim 1, characterized in that: A limiting groove matching the limiting block (313) is provided inside the arrester body (2).

7. The arrester that is easy to install and disassemble according to claim 1, characterized in that: The arc block (307), fixed cylinder (308), movable rod (309), annular block (310), fixed block (311), spring (312), and limit block (313) are all grouped together, and two groups are symmetrically arranged on the side of the arrester body (2).

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