CN219677195U

CN219677195U - Photovoltaic fuse with stronger melt connection stability

Info

Publication number: CN219677195U
Application number: CN202320000323.5U
Authority: CN
Inventors: 郑好; 贾友军; 金友明; 黄波; 谢元登
Original assignee: Zhejiang Galaxy Fuse Co ltd
Current assignee: Zhejiang Galaxy Fuse Co ltd
Priority date: 2023-01-02
Filing date: 2023-01-02
Publication date: 2023-09-12
Anticipated expiration: 2033-01-02

Abstract

The utility model discloses a photovoltaic fuse with higher melt connection stability, which comprises a fuse shell, a melt and a melt carrying piece arranged in the fuse shell and used for carrying the melt, wherein the melt carrying piece comprises a containing cavity used for containing the melt and a plurality of limiting columns arranged on two sides of the containing cavity, the end wall of one end of the containing cavity is provided with a positioning convex column, the middle part of the limiting column is provided with a through groove and a metal elastic sheet clamped in the through groove, the metal elastic sheet is provided with a protruding part, and one end of the melt is provided with a groove used for matching with the positioning convex column. The side part of the accommodating cavity is provided with a plurality of limiting posts and the metal elastic sheet arranged on the limiting posts, the protruding part of the metal elastic sheet can prop against the side wall of the melt to limit the melt, the end wall of the accommodating cavity is provided with the limiting protruding posts, and the limiting protruding posts are matched with the grooves at the end part of the melt to carry out positioning and clamping, so that the connection stability of the melt is further improved.

Description

Photovoltaic fuse with stronger melt connection stability

Technical Field

The utility model relates to the technical field of fuses, in particular to a photovoltaic fuse with high melt connection stability.

Background

In the prior art, the fuse has more melt size, the size of the cavity of the fuse carrying piece is fixed, and the fuse has poorer connection stability and is easy to shake when loading smaller melt.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems, the utility model provides the photovoltaic fuse which is simple in structure, wide in application range and high in melt connection stability.

(II) technical scheme

The photovoltaic fuse with the high melt connection stability comprises a fuse shell, a melt and a melt carrying piece arranged in the fuse shell and used for carrying the melt, wherein the melt carrying piece comprises a containing cavity used for containing the melt and a plurality of limiting columns arranged on two sides of the containing cavity, a positioning convex column is arranged on the end wall of one end of the containing cavity, a through groove and a metal elastic sheet clamped in the through groove are arranged in the middle of the limiting column, a protruding portion is arranged on the metal elastic sheet, and a groove used for being matched with the positioning convex column is formed in one end of the melt.

In the utility model, the limit posts are staggered with the limit posts at the other side of the containing cavity, the positioning convex posts are of a wedge-shaped structure, the shape of the groove is the same as that of the positioning convex posts, and a bottom bracket for supporting the melt is also arranged in the containing cavity.

In the utility model, the collet and the melt carrying piece are of an integrated structure.

In the utility model, a cavity is arranged in the middle of the through groove, the metal elastic sheet is fixed in the cavity through a fastener, the protruding part protrudes outwards from the cavity to the through groove, and the protruding part props against the side wall of the melt.

In the utility model, the end part of the limiting column is connected with the melt carrying piece, the middle part of the limiting column is provided with the arc-shaped part, and the through groove is arranged in the middle part of the arc-shaped part.

(III) beneficial effects

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

(1) The side part of the accommodating cavity is provided with the plurality of limiting posts and the metal elastic sheet arranged on the limiting posts, the protruding part of the metal elastic sheet can prop against the side wall of the melt to limit the melt, the end wall of the accommodating cavity is provided with the limiting protruding posts, and the limiting protruding posts are matched with the grooves at the end part of the melt to carry out positioning and clamping, so that the connection stability of the melt is further improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram in example 1;

FIG. 2 is a schematic diagram in example 1;

FIG. 3 is a schematic diagram in example 1;

fig. 4 is a schematic diagram in example 1.

10. The fuse comprises a fuse shell, 20, melt, 30, a cavity, 40, a limit post, 50, a through groove, 60, a fuse carrying piece, 70, a positioning convex post, 80, a groove, 90, an arc-shaped part, 100, a metal spring piece, 1001, a convex part, 110, an end wall, 120 and a bottom bracket.

Detailed Description

Possible implementations within the scope of the present disclosure may have fewer components, have other components not shown in the drawings, different components, differently arranged components, differently connected components, etc., than the examples shown in the drawings. Furthermore, two or more of the elements in the figures may be implemented in a single element or a single element shown in the figures may be implemented as multiple separate elements.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising," "comprising," or "having" and the like means that elements or items preceding the word are meant to be encompassed by the element or item recited following the word and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected" and the like are not limited to the physical or mechanical connection or communication shown in the drawings, but may include connection or communication equivalent thereto, whether direct or indirect. "upper", "lower", "left", "right", "horizontal", "vertical", etc. are only used to indicate a relative positional relationship, which may be changed accordingly when the absolute position of the object to be described is changed.

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The photovoltaic fuse with stronger melt connection stability as shown in fig. 1-3 comprises a fuse shell 10, a melt 20 and a melt carrying piece 60 arranged in the fuse shell 10 and used for carrying the melt 20, wherein the melt carrying piece 60 comprises a cavity 30 used for containing the melt 20 and a plurality of limit posts 40 arranged on two sides of the cavity 30, a positioning convex post 70 is arranged on an end wall 110 of one end of the cavity 30, a through groove 50 and a metal spring plate 100 clamped in the through groove 50 are arranged in the middle of the limit post 40, a protruding portion 1001 is arranged on the metal spring plate 100, and a groove 80 used for being matched with the positioning convex post 70 is arranged at one end of the melt 20.

Further, the limiting posts 40 are staggered with the limiting posts 40 at the other side of the cavity 30, the positioning protruding posts 70 are in a wedge-shaped structure, the shape of the groove 80 is the same as that of the positioning protruding posts 70, and a bottom bracket 120 for supporting the melt 20 is further arranged in the cavity 30.

Further, the shoe 120 and the fuse carrier 60 are integrally formed. The middle part of the through groove 50 is provided with a cavity, the metal elastic sheet 100 is fixed in the cavity through a fastener, the protruding part 1001 protrudes outwards from the cavity to the through groove 50, and the protruding part 1001 props against the side wall of the melt 20.

Further, the end of the limiting post 40 is connected with the fuse carrying member 60, and an arc portion 90 is disposed in the middle of the limiting post 40, and the through slot 50 is disposed in the middle of the arc portion 90. When the melt 20 is mounted on the melt carrying member 60, one end of the melt 20 provided with the groove 80 is inserted into the accommodating cavity 30 and is spliced and limited with the positioning convex column 70, at this time, the convex part 1001 of the metal elastic sheet 100 is abutted against the side wall of the melt 20, and even if the metal elastic sheet 100 is concave back into the through groove 50 in the process of mounting the melt 20, the metal elastic sheet 100 can be ejected out of the other end of the through groove 50 by a tool to be clamped with the melt 20.

Further, a plurality of limiting columns 40 and metal spring plates 100 arranged on the limiting columns 40 are arranged on the side portions of the accommodating cavity 30, the protruding portions 1001 of the metal spring plates 100 can be propped against the side walls of the melt 20 to limit the melt, limiting protruding columns are arranged on the end walls 110 of the accommodating cavity 30, and are matched with the grooves 80 at the end portions of the melt 20 to be positioned and clamped, so that the connection stability of the melt 20 is further improved.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. A photovoltaic fuse with high melt connection stability comprises a fuse shell (10), a melt (20) and a melt carrying piece (60) arranged in the fuse shell (10) and used for carrying the melt (20),

the method is characterized in that:

the melt carrying piece (60) comprises a containing cavity (30) for containing melt (20) and a plurality of limiting columns (40) arranged on two sides of the containing cavity (30), wherein a positioning convex column (70) is arranged on an end wall (110) of one end of the containing cavity (30), a through groove (50) and a metal elastic sheet (100) clamped in the through groove (50) are arranged in the middle of the limiting column (40), a protruding portion (1001) is arranged on the metal elastic sheet (100), and a groove (80) for matching with the positioning convex column (70) is formed in one end of the melt (20).

2. The photovoltaic fuse of claim 1 having greater melt connection stability, wherein: the limiting columns (40) and the limiting columns (40) on the other side of the containing cavity (30) are arranged in a staggered mode, the positioning convex columns (70) are of wedge-shaped structures, the shape of the grooves (80) is identical to that of the positioning convex columns (70), and a bottom support (120) for supporting the melt (20) is further arranged in the containing cavity (30).

3. The photovoltaic fuse of claim 2 having greater melt connection stability, wherein: the collet (120) and the melt carrying piece (60) are of an integrated structure.

4. The photovoltaic fuse of claim 1 having greater melt connection stability, wherein: the middle part of the through groove (50) is provided with a cavity, the metal elastic sheet (100) is fixed in the cavity through a fastener, the protruding part (1001) is protruding outwards from the cavity to the through groove (50), and the protruding part (1001) is propped against the side wall of the melt (20).

5. The photovoltaic fuse of claim 1 having greater melt connection stability, wherein:

the end part of the limiting column (40) is connected with the melt carrying piece (60), an arc-shaped part (90) is arranged in the middle of the limiting column (40), and the through groove (50) is formed in the middle of the arc-shaped part (90).