CN218826880U

CN218826880U - Novel buckle for preventing shell from cracking and surge backup protector

Info

Publication number: CN218826880U
Application number: CN202222363598.3U
Authority: CN
Inventors: 潘晓东
Original assignee: Zhejiang Dazhan Electrical Co ltd
Current assignee: Zhejiang Dazhan Electrical Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-04-07
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a prevent that shell from taking place novel buckle and surge backup protector of fracture relates to a low-voltage apparatus technical field, including buckle body and the spacing portion of setting in buckle body both sides, be equipped with the bellied fixture block that makes progress in spacing portion, spacing portion is including the extension piece that outwards extends the setting, and the fixture block sets up the top at the extension piece. The utility model discloses the buckle joins in marriage through the recess of spacing portion with the casing and joins in marriage the dress, fixes through fixture block and spacing groove, and the protruding wall suit of casing fixes at the spacing inslot of buckle, has effectively increased the mechanical strength of surge backup protector casing, prevents the fracture.

Description

Novel buckle for preventing shell from cracking and surge backup protector

Technical Field

The utility model relates to a low-voltage apparatus technical field, concretely relates to prevent that shell from taking place novel buckle and surge backup protector of fracture.

Background

Lightning disasters are one of the most serious natural disasters, and casualties and property losses caused by the lightning disasters are countless every year all over the world. With the large application of electronic and microelectronic integrated devices, the damage caused by lightning overvoltage and lightning electromagnetic pulse to systems and devices is increasing. The surge protector is used for restraining surge and instantaneous overvoltage on a line and overcurrent on a bleeder line, and the surge protector is one of important links of modern lightning protection technology.

The surge backup protector is suitable for places (such as civil buildings, electrical power stations, communication bases, traffic roads, petrochemical plants and the like) provided with lightning protection equipment such as the surge protector, can eliminate fire hazards caused by deterioration of the surge protector and power grid faults, and solves the problem of failure of the surge protector caused by lightning.

Most surge backup protector shells in the prior art are of left and right splicing structures, are poor in mechanical strength, are easy to crack in a high-strength environment, and bring inconvenience to the use of the surge backup protector shells.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problem, the utility model provides a simple structure easily joins in marriage novel buckle and surge backup protector that dress and mechanical strength height effectively prevented the casing fracture.

(II) technical scheme

The utility model discloses a prevent that shell from taking place novel buckle of fracture, including buckle body and the spacing portion of setting in buckle body both sides, be equipped with the bellied fixture block that makes progress in spacing portion, spacing portion is including the extension piece that outwards extends the setting, and the fixture block sets up the top at the extension piece.

The utility model discloses in, spacing portion is still including setting up the dog in extension piece one end, dog and extension piece mutually perpendicular set up.

The utility model discloses in, the fixture block is domes, just the fixture block is with extension piece formula structure as an organic whole.

The utility model discloses in, the bottom of buckle is equipped with the spacing groove.

The utility model discloses in, still be equipped with logical groove on the buckle body

The utility model provides a surge backup protector, includes the casing that left and right structures were assembled, be equipped with the appearance chamber that is used for holding binding post on the casing, the top that holds the chamber then is equipped with the recess that is used for the joint buckle, the lateral part of recess then be equipped with spacing portion complex draw-in groove.

The utility model discloses in, wiring portion is equipped with the protruding wall of loop configuration in the recess.

The utility model discloses in, be equipped with the half groove of joining in marriage the dress with the fixture block on the draw-in groove.

The utility model discloses in, the radian that the semi-trough is close to convex wall one side is the same with the radian of fixture block, and the semi-trough is kept away from convex wall one side and then is equipped with the inclined plane of fixture block installation and dismantlement.

(III) advantageous effects

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

(1) The utility model provides a buckle joins in marriage the dress through the recess of spacing portion with the casing, fixes through fixture block and spacing groove, and the protruding wall suit of casing fixes at the spacing inslot of buckle, has effectively increased the mechanical strength of surge backup protector casing, prevents to ftracture.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a connection structure of a surge backup protector and a buckle in embodiment 1;

FIG. 2 is a schematic sectional view showing the structure of the case according to embodiment 1;

FIG. 3 is an enlarged schematic view of a part A in example 1;

fig. 4 is a schematic perspective view of the buckle in embodiment 1.

10. The buckle comprises a buckle body, 10.1, a limiting part, 10.2, a clamping block, 10.3, an extending block, 10.4, a stop block, 10.5, a limiting groove, 10.6, a through groove, 20, a shell, 20.1, a containing cavity, 20.2, a groove, 20.3, a clamping groove, 20.31, a half groove, 20.32, an inclined plane, 20.4 and a convex wall.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

Example 1

The novel buckle and surge backup protector for preventing the shell from cracking comprises a buckle body 10 and limiting parts 10.1 arranged on two sides of the buckle body 10, wherein an upwards protruding clamping block 10.2 is arranged on the limiting part 10.1, the limiting part 10.1 comprises an extending block 10.3 extending outwards, and the clamping block 10.2 is arranged at the top of the extending block 10.3. The wiring terminal is characterized by further comprising a shell 20 assembled by a left structure and a right structure, wherein a containing cavity 20.1 used for containing a wiring terminal is formed in the shell 20, a groove 20.2 used for clamping a buckle is formed in the top of the containing cavity 20.1, and a clamping groove 20.3 matched with the limiting portion 10.1 is formed in the side portion of the groove 20.2.

Furthermore, the limiting portion 10.1 further includes a stopper 10.4 disposed at one end of the extension block 10.3, and the stopper 10.4 and the extension block 10.3 are perpendicular to each other to form a T-shaped structure or an L-shaped structure (a T-shaped structure in the drawing). The clamping block 10.2 is of an arch structure, the clamping block 10.2 and the extension block 10.3 are of an integrated structure, and a limiting groove 10.5 is formed in the bottom of the buckle.

Furthermore, the wiring portion is provided with a protruding wall 20.4 of a ring structure in the groove 20.2, the protruding wall 20.4 is also of a left-right structure, and one half of the protruding wall 20.4 is located in the left half of the housing 20, and the other half of the protruding wall 20.4 is located in the right half of the housing 20. The clamping groove 20.3 is provided with a half groove 20.31 matched with the clamping block 10.2, and the half groove 20.31 is of an L-shaped structure integrally. The radian of one side of the half groove 20.31 close to the convex wall 20.4 is the same as that of the fixture block 10.2, and the side of the half groove 20.31 far away from the convex wall 20.4 is provided with an inclined surface 20.32 for mounting and dismounting the fixture block 10.2.

Further, a through groove 10.6 is further formed in the buckle body 10, and the through groove 10.6 is overlapped with the accommodating cavity 20.1 after the buckle and the surge backup protector are installed, that is, the through groove 10.6 and the opening of the accommodating cavity 20.1 are of a concentric structure.

Further, the buckle is assembled with the groove 20.2 of the shell 20 through the limiting part 10.1, the clamping block 10.2 is fixed with the limiting groove 10.5, and the convex wall 20.4 of the shell 20 is sleeved and fixed in the limiting groove 10.5 of the buckle, so that the mechanical strength of the shell 20 of the surge backup protector is effectively increased, and cracking is prevented.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A novel buckle for preventing a shell from cracking,

the method is characterized in that:

including buckle body (10) and set up spacing portion (10.1) in buckle body (10) both sides, be equipped with on spacing portion (10.1) and make progress bellied fixture block (10.2), spacing portion (10.1) is including outside extension piece (10.3) that set up, and fixture block (10.2) set up the top at extension piece (10.3).

2. The novel buckle for preventing the shell from cracking as claimed in claim 1, wherein: the limiting part (10.1) further comprises a stop block (10.4) arranged at one end of the extension block (10.3), and the stop block (10.4) and the extension block (10.3) are perpendicular to each other.

3. The novel buckle for preventing the shell from cracking as claimed in claim 1, wherein: the fixture block (10.2) is of an arch structure, and the fixture block (10.2) and the extension block (10.3) are of an integrated structure.

4. The novel buckle for preventing the shell from cracking as claimed in claim 1, wherein: the bottom of the buckle is provided with a limit groove (10.5).

5. The novel buckle for preventing the shell from cracking as claimed in claim 1, wherein: the buckle body (10) is also provided with a through groove (10.6).

6. A surge backup protector is characterized in that: the clamping device comprises a shell (20) assembled by a left structure and a right structure, wherein a cavity (20.1) for containing a wiring terminal is arranged on the shell (20), a groove (20.2) for clamping the buckle according to any one of claims 1-4 is formed in the top of the cavity (20.1), and a clamping groove (20.3) matched with the limiting part (10.1) is formed in the side part of the groove (20.2).

7. The surge backup protector of claim 6, wherein: the groove (20.2) is internally provided with a convex wall (20.4) with an annular structure.

8. The surge backup protector of claim 7, wherein: and a half groove (20.31) matched with the clamping block (10.2) is arranged on the clamping groove (20.3).

9. The surge backup protector of claim 8, wherein: the radian of one side of the half groove (20.31) close to the convex wall (20.4) is the same as that of the fixture block (10.2), and an inclined surface (20.32) for mounting and dismounting the fixture block (10.2) is arranged on one side of the half groove (20.31) far away from the convex wall (20.4).