CN218299494U - Zinc oxide lightning arrester - Google Patents

Abstract

The utility model discloses a zinc oxide arrester, including main part, connecting piece and full skirt, the full skirt sets up in the surface of main part, the connecting piece sets up in the top of main part, and both pass through bolt fixed connection, the top of main part is fixed with a plurality of first fixed blocks, the top of first fixed block is run through and is seted up spacing hole, the top of connecting piece is provided with the protection shield for the junction of connecting piece and main part, the bottom four corners department of protection shield all is fixed with the metal pole; through the protection shield, metal pole, first fixed block of design, draw piece, spacing hole, arc wall, draw-in groove, dop, can play certain guard action to the junction of device and connecting piece, avoid the junction to receive the striking emergence of foreign object not hard up, influence the stability of both connections, this simple structure moreover, easy dismounting, the time of cost is few.

Description

Zinc oxide lightning arrester

Technical Field

The utility model belongs to the technical field of the arrester, concretely relates to zinc oxide arrester.

Background

In the process of erecting a gas transmission pipeline, lightning protection measures need to be taken, a zinc oxide lightning arrester is used, the rated voltage of the zinc oxide lightning arrester is 0.28KV (r.m.s), the continuous operation voltage is 0.24KV (r.m.s), the zinc oxide lightning arrester is small in size, light in weight, collision-resistant, free of collision loss in transportation and flexible in installation, and is particularly suitable for being used in a switch cabinet; the special structure, the whole compression molding, no air gap, good sealing performance, moisture resistance and explosion resistance; the creepage distance is long, the water increasing performance is good, the pollution resistance is strong, the performance is stable, and the operation maintenance is reduced; the zinc oxide resistance card with a unique formula has high capacity and low leakage.

When the existing zinc oxide arrester is used, the existing zinc oxide arrester is connected with a corresponding connecting piece through a bolt, and in the using process, the bolt is easily loosened due to collision of foreign objects, so that the firmness of connection between the existing zinc oxide arrester and the connecting piece is influenced, the normal work of the device is influenced, and therefore the problem needs to be solved by designing a structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zinc oxide arrester to the junction of solution device and connecting piece does not have corresponding protection architecture, and the junction takes place easily not hard up, and the full skirt on the device generally is glass or ceramic material, and is comparatively fragile, receives the problem of damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a zinc oxide arrester, includes main part, connecting piece and full skirt, the full skirt sets up in the surface of main part, the connecting piece sets up in the top of main part, and both pass through bolt fixed connection, the top of main part is fixed with a plurality of first fixed blocks, the top of first fixed block is run through and is seted up spacing hole, and the tip that the spacing hole can hold the metal pole avoids it to remove at the horizontal direction, the top of connecting piece is provided with the protection shield for the junction of connecting piece and main part, the bottom four corners department of protection shield all is fixed with the metal pole, the bottom embedding of metal pole is to the inside that corresponds spacing hole, one side of metal pole is fixed with the dop, the top of main part is fixed with the second fixed block for one side that corresponds first fixed block, and the second fixed block can support the lacing block, the top of second fixed block slides and is provided with the lacing block, the arc wall has been seted up to the one end of lacing block, and the inner wall of arc wall can laminate with the surface of metal pole for both are connected are inseparabler, the draw-in the inner wall of arc wall of draw-in groove, can hold the dop to avoid the metal pole to upwards to move, the metal pole corresponds the inside of embedding to the arc-through.

Preferably, a rubber pad is fixed on the inner wall of the limiting hole, the rubber pad can fill a gap between the limiting hole and the metal rod, and the rubber pad is tightly attached to the surface of the metal rod.

Preferably, draw the bottom of piece and seted up first spacing groove, first spacing groove makes things convenient for the relative slip of metal block, the top of second fixed block is fixed with the metal block, the metal block imbeds to the inside that corresponds first spacing groove, be connected with the spring between the inner wall of metal block and first spacing groove, the spring can be so that draw the piece to reset.

Preferably, a through hole penetrates through one side of the metal block, the through hole facilitates the relative sliding rod of the cross rod to limit the sliding direction of the cross rod, the cross rod penetrates through the inside of the through hole, and two ends of the cross rod are fixedly connected with the inner walls of two sides of the first limiting groove respectively.

Preferably, the surperficial symmetrical cover of main part is equipped with two protection pieces, two the holding tank has all been seted up to the inboard of protection piece, and the holding tank can hold the full skirt, can play certain guard action to it, the full skirt imbeds to the inside of holding tank, two the top of protection piece all is fixed with the fifth fixed block, one side of fifth fixed block is run through and has been seted up the through-hole, and the through-hole makes things convenient for running through of third fixed block to make the third fixed block support the protection piece, the bilateral symmetry of main part is fixed with two third fixed blocks, the third fixed block runs through the inside that corresponds the through-hole, two the equal symmetry in both ends of protection piece is fixed with two fourth fixed blocks, adjacent two through bolt fixed connection between the fourth fixed block.

Preferably, one side of one of the fourth fixing blocks is provided with a second limiting groove, the second limiting groove can accommodate a positioning block, so that the bolt and the bolt hole can be conveniently aligned, the installation efficiency is improved, and one side of the other fourth fixing block is fixedly provided with the positioning block which is embedded into the second limiting groove.

Preferably, a plurality of rubber bumps are fixed on the inner wall of the second limiting groove, the rubber bumps can fill the gap between the inner wall of the second limiting groove and the positioning block, and the rubber bumps are tightly attached to the surface of the positioning block.

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

1. through the protection shield, metal pole, first fixed block, draw the piece, spacing hole, arc wall, draw-in groove, dop of design, can play certain guard action to the junction of device and connecting piece, avoid the junction to receive the striking of foreign object to take place not hard up, influence the stability of both connections, this simple structure moreover, easy dismounting, the time of cost is few.

2. Through the protection piece, fourth fixed block, fifth fixed block, through-hole, second spacing groove, the locating piece of design, can protect the full skirt on the device, avoid it to receive the collision and appear damaging, influence the normal work of device.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of region A of FIG. 1 according to the present invention;

FIG. 3 is a front cross-sectional view of region A of FIG. 1 according to the present invention;

fig. 4 is a top cross-sectional view of the pull block of the present invention;

fig. 5 is a perspective view of the protection block of the present invention;

FIG. 6 is a front cross-sectional view of the area B of FIG. 1 according to the present invention;

fig. 7 is a front cross-sectional view of region C of fig. 1 in accordance with the present invention;

in the figure: 1. a main body; 2. a connecting member; 3. a protection plate; 4. a metal rod; 5. a first fixed block; 6. a second fixed block; 7. pulling the block; 8. a third fixed block; 9. a protection block; 10. a fourth fixed block; 11. a limiting hole; 12. an arc-shaped slot; 13. a card slot; 14. clamping a head; 15. a first limit groove; 16. a metal block; 17. a cross bar; 18. accommodating a tank; 19. a fifth fixed block; 20. a through hole; 21. a second limit groove; 22. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 7, the present invention provides a technical solution: a zinc oxide arrester comprises a main body 1, a connecting piece 2 and an umbrella skirt, wherein the umbrella skirt is arranged on the surface of the main body 1, the connecting piece 2 is arranged at the top of the main body 1 and fixedly connected with the connecting piece 2 through a bolt, a plurality of first fixing blocks 5 are fixed at the top of the main body 1, limiting holes 11 are formed in the top of the first fixing blocks 5 in a penetrating manner, the limiting holes 11 can preliminarily limit a protecting plate 3 and a metal rod 4, a protecting plate 3 is arranged at the top of the connecting piece 2 relative to the joint of the connecting piece 2 and the main body 1, the protecting plate 3 is a metal component and can play a certain protection role on the joint of the device and the connecting piece 2 to prevent the joint from being loosened due to the impact of foreign objects, so that the connection stability of the protecting plate and the metal rod 3 is influenced, metal rods 4 are fixed at four corners of the bottom of the protecting plate 3, the metal rods 4 can support the protecting plate 3, the bottom end of the metal rods 4 is embedded into the corresponding limiting holes 11, one side of the metal rods 4 is fixed with a clamping head 14, the clamping groove 14 and a clamping groove 13 is formed in the inner wall of a metal rod 7, and a clamping groove 14 is formed in the inner wall of a clamping groove 12 corresponding to the inner wall of the metal rod 7, and a clamping block 7 is formed in the inner wall of the metal rod 7, and a clamping groove 12 is formed in the inner wall of the metal rod 7, and a clamping groove 12, a spring is connected between the metal block 16 and the inner wall of the first limit groove 15, a through hole is formed in one side of the metal block 16 in a penetrating mode, a cross rod 17 penetrates through the through hole, the metal block 16 and the cross rod 17 can limit the sliding direction of the pull block 7, and two ends of the cross rod 17 are fixedly connected with the inner walls of two sides of the first limit groove 15 respectively; the structure is simple, the dismounting is convenient, and the time spent is short.

In this embodiment, preferably, the surface symmetry cover of main part 1 is equipped with two protection pieces 9, protection piece 9 is the plastics material component, can protect the full skirt on the device, it damages to avoid it to receive the collision to appear, influence the normal work of device, holding tank 18 has all been seted up to the inboard of two protection pieces 9, the full skirt imbeds to the inside of holding tank 18, the top of two protection pieces 9 all is fixed with fifth fixed block 19, through-hole 20 has been seted up in one side of fifth fixed block 19 runs through, the bilateral symmetry of main part 1 is fixed with two third fixed blocks 8, third fixed block 8 and fifth fixed block 19 can support protection piece 9, third fixed block 8 runs through the inside that corresponds through-hole 20, two fourth fixed blocks 10 are all fixed with the symmetry in the both ends of two protection pieces 9, through bolt fixed connection between two adjacent fourth fixed blocks 10, second spacing groove 21 has been seted up to one side of one of them fourth fixed block 10, one side of another fourth fixed with locating piece 22, locating piece 22 and second spacing groove 21 can make bolt and hug closely the mutual counterpoint of bolt hole, make things convenient for the installation of bolt, 22 imbeds to the inside of second locating piece 21, there are fixed with the protruding block 22, the inner wall of a plurality of rubber material and the protruding block 21.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using, at first be connected connecting piece 2 and main part 1, then install protection shield 3 on the device, the pulling draws piece 7, make it draw the spring, make the spring atress extend, at this moment, metal block 16 takes place relative slip in the inside of first spacing groove 15, horizontal pole 17 takes place to slide in the inside of through hole, until will draw piece 7 to move to suitable position, then imbed a plurality of metal poles 4 of protection shield 3 bottom to the inside that corresponds spacing hole 11, protection shield 3 covers the surface at corresponding nut just, loosen the pulling that draws piece 7 of pulling, after the spring loses the extrusion, reverse pulling draws piece 7, make dop 14 of metal pole 4 one side imbed to the inside that corresponds draw-in groove 13, just will install protection shield 3, the structure can play certain guard action to the junction of device and connecting piece 2, avoid the junction to receive the striking of foreign object to take place to become flexible, influence the stability of both connections; next, two protection blocks 9 are sleeved on the device, so that the umbrella skirt on the device is embedded into the accommodating groove 18, the third fixing blocks 8 on two sides of the device respectively penetrate through the interiors of the corresponding through holes 20, the positioning block 22 on one side of one fourth fixing block 10 is embedded into the corresponding second limiting groove 21, then the corresponding two fourth fixing blocks 10 are connected through bolts, the two protection blocks 9 are installed well, the umbrella skirt on the device can be protected by the structure, the umbrella skirt is prevented from being damaged due to collision, and the normal work of the device is influenced.

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

Claims (7)

1. The utility model provides a zinc oxide arrester, includes main part (1), connecting piece (2) and full skirt, the full skirt sets up in the surface of main part (1), connecting piece (2) set up in the top of main part (1), and both pass through bolt fixed connection, its characterized in that: the top of main part (1) is fixed with a plurality of first fixed blocks (5), the top of first fixed block (5) is run through and has been seted up spacing hole (11), the top of connecting piece (2) is provided with protection shield (3) for the junction of connecting piece (2) and main part (1), the bottom four corners department of protection shield (3) all is fixed with metal pole (4), the bottom embedding of metal pole (4) is to the inside that corresponds spacing hole (11), one side of metal pole (4) is fixed with dop (14), the top of main part (1) is fixed with second fixed block (6) for the one side that corresponds first fixed block (5), the top of second fixed block (6) slides and is provided with pull block (7), arc wall (12) have been seted up to the one end of pull block (7), seted up on the inner wall of arc wall (12) draw-in groove (13), metal pole (4) run through the inside that corresponds arc wall (12), dop (14) are embedded into to the inside of draw-in groove (13).

2. The zinc oxide arrester of claim 1 wherein: and a rubber pad is fixed on the inner wall of the limiting hole (11), and the rubber pad is tightly attached to the surface of the metal rod (4).

3. A zinc oxide arrester according to claim 1, characterized in that: first spacing groove (15) have been seted up to the bottom of drawing piece (7), the top of second fixed block (6) is fixed with metal block (16), metal block (16) are embedded into the inside that corresponds first spacing groove (15), be connected with the spring between the inner wall of metal block (16) and first spacing groove (15).

4. A zinc oxide arrester according to claim 3 characterized in that: a through hole is formed in one side of the metal block (16) in a penetrating mode, a cross rod (17) penetrates through the through hole, and two ends of the cross rod (17) are fixedly connected with the inner walls of the two sides of the first limiting groove (15) respectively.

5. The zinc oxide arrester of claim 1 wherein: the surperficial symmetry cover of main part (1) is equipped with two protection pieces (9), two holding tank (18) have all been seted up to the inboard of protection piece (9), the umbrella skirt imbeds to the inside of holding tank (18), two the top of protection piece (9) all is fixed with fifth fixed block (19), through-hole (20) have been seted up in one side of fifth fixed block (19) run through, the bilateral symmetry of main part (1) is fixed with two third fixed blocks (8), third fixed block (8) run through the inside that corresponds through-hole (20), two the equal symmetry in both ends of protection piece (9) is fixed with two fourth fixed blocks (10), adjacent two through bolt fixed connection between fourth fixed block (10).

6. A zinc oxide arrester according to claim 5, characterized in that: one side of one of the fourth fixing blocks (10) is provided with a second limiting groove (21), one side of the other fourth fixing block (10) is fixed with a positioning block (22), and the positioning block (22) is embedded into the second limiting groove (21).

7. The zinc oxide arrester of claim 6, wherein: a plurality of rubber bumps are fixed on the inner wall of the second limiting groove (21), and the rubber bumps are tightly attached to the surface of the positioning block (22).

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