CN213988805U

CN213988805U - Practical fusing indicating mechanism

Info

Publication number: CN213988805U
Application number: CN202023217208.9U
Authority: CN
Inventors: 黄天忠; 李奎; 沈凯; 邱速财
Original assignee: Zhejiang Zhongtai Fuse Co ltd
Current assignee: Zhejiang Zhongtai Fuse Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-17
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a practical fusing indicating mechanism, including carrying and melting and instructing the subassembly, carry and melt the first second appearance chamber that holds the chamber and be used for installing the instruction subassembly of piece including the installation fuse-element and hold the chamber, instruct the subassembly to include the pilot lamp, the resistance of being connected with the pilot lamp, contact, shell fragment and connection contact are used for making the contact resilience to the elastomeric element of normal position, the second holds the intracavity and is equipped with the spacing groove that is used for installing elastomeric element, the below at the spacing groove is installed to the contact. The utility model discloses replace original shell fragment with the contact, and be equipped with the spring that offsets and connect in the contact plane, increased the resilience force, make the contact can not warp or shift and lead to contact failure, the practicality is stronger.

Description

Practical fusing indicating mechanism

Technical Field

The utility model relates to a fuse technical field, concretely relates to practical fusing indicating mechanism.

Background

The fuse is an electric appliance which fuses a melt by heat generated by itself to open a circuit when a current exceeds a predetermined value. The fuse comprises a fuse carrier and a base, wherein the fuse carrier is a component for mounting the fuse, and generally an indicating mechanism of the fuse is mounted on the fuse carrier.

Refer to chinese patent CN202020727549.1 "fuse carries fuse piece assembly" electrically conductive shell fragment 13 one end in the indicating mechanism connects one end downward sloping extension setting in the indicating line board, still with electrically conductive shell fragment bending type one bump of formation in the prior art and contact electrically conductive, because the metal produces deformation easily, along with the increase of live time, appears very easily that the conducting strip warp to shift and causes contact failure, the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problem, the utility model provides a simple structure, the practicality is strong, can make the contact kick-back indeformable lead to contact failure's fuse indicating mechanism.

(II) technical scheme

The utility model discloses a practical fusing indicating mechanism, including carrying and melting and instructing the subassembly, carry and melt the first second appearance chamber that holds the chamber and be used for installing the instruction subassembly of piece including the installation fuse-element and hold the chamber, instruct the subassembly to include the pilot lamp, the resistance of being connected with the pilot lamp, contact, shell fragment and connection contact are used for making the contact resilience to the elastomeric element of normal position, the second holds the intracavity and is equipped with the spacing groove that is used for installing elastomeric element, the below at the spacing groove is installed to the contact.

In some embodiments, the contact includes a head portion and an extension portion extending to a side of the indicator light, the extension portion being connected to a side of the resistor.

In some embodiments, the head is disposed in the first chamber in communication with the second chamber.

In some embodiments, a pin of the indicator light is connected with a spring, and the spring extends from the second cavity to the first cavity.

In some embodiments, one end of the elastic component is connected to the inside of the limiting groove, and the other end of the elastic component is connected with the contact in an abutting mode.

(III) advantageous effects

Compared with the prior art, the utility model, it has following beneficial effect: replace original shell fragment with the contact, and be equipped with the spring of offseting connection in the contact plane, increased the resilience force, make the contact can not warp or shift and lead to contact failure, the practicality is stronger.

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 showing the structure of the inside of a melt-carrying member in example 1;

FIG. 2 is a schematic structural view of an indicating mechanism in embodiment 1;

FIG. 3 is a schematic view of the structure of a contact in embodiment 1;

1. fuse-carrying piece, 10, second chamber, 101, pilot lamp, 102, resistance, 103, spacing groove, 104, elastic component, 105, contact, 105a, head, 105b, extension, 106, shell fragment, 11, first chamber.

Detailed Description

The technical solutions 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-3, which are schematic structural diagrams of a practical fuse indicator according to a preferred embodiment of the present invention, the indicator in this embodiment includes a fuse carrier 1 and an indicator assembly, the fuse carrier 1 includes a first cavity 11 for installing a fuse and a second cavity 10 for installing the indicator assembly, a through slot for placing a conductor is disposed between the first cavity 11 and the second cavity 10, and the indicator assembly includes a terminal spring 106, an indicator light 101, a resistor 102, an elastic component 104, and a contact 105.

In this embodiment, the second cavity 10 is further provided with a limiting groove 103 for limiting and installing the elastic component 104, and an installation groove for installing the contact 105 is provided right below the limiting groove 103. One end of the elastic component 104 is arranged in the limiting groove 103, and the other end of the elastic component is connected with the contact 105 in an abutting mode.

In this embodiment, the contact 105 includes an extension 105b and a head 105a, and the resistor 102 is connected to the extension 105b of the contact 105 at one end and to the indicator 101 at the other end. The contact 105 extends from the second cavity 10 into the first cavity 11, i.e. the head 105a extends into the first cavity 11 for contact with the melt. The other end of the indicator light 101 is connected with the elastic sheet 106, the indicator light 101 extends from the second accommodating cavity 10 to the top of the fuse carrier 1 through the through groove, and the elastic sheet 106 extends from the second accommodating cavity 10 to the first accommodating cavity 11.

It should be noted that: the elastic member 104 in the present embodiment includes, but is not limited to, a spring as long as the elastic member 104 can make the contact 105 rebound to the original position after the contact 105 is pressed, and the contact in the present embodiment includes, but is not limited to, a conductive body with a flat surface and a convex head portion as long as the contact can be conductive and has a convex portion to cooperate with the elastic member to make the contact rebound.

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 practical fusing indicating mechanism comprises a melt carrying piece (1) and an indicating component, wherein the melt carrying piece (1) comprises a first containing cavity (11) for installing a melt and a second containing cavity (10) for installing the indicating component,

the method is characterized in that:

the indicating assembly comprises an indicating lamp (101), a resistor (102) connected with the indicating lamp (101), a contact (105), an elastic part (104) used for enabling the contact (105) to rebound to an original position, an elastic piece (106) and a connecting contact (105), a limiting groove (103) used for installing the elastic part (104) is formed in the second accommodating cavity (10), and the contact (105) is installed below the limiting groove (103).

2. A practical fuse indicator mechanism according to claim 1, characterised in that: the contact (105) comprises a head part (105a) and an extension part (105b) extending towards one side of the indicator light (101), and the extension part (105b) is connected with one side of the resistor (102).

3. A practical fuse indicator mechanism according to claim 2, characterised in that: the head (105a) is communicated with the first cavity (11) from the second cavity (10).

4. A practical fuse indicator mechanism according to claim 1, characterised in that: a pin of the indicator light (101) is connected with the elastic sheet (106), and the elastic sheet (106) extends into the first accommodating cavity (11) from the second accommodating cavity (10).

5. A practical fuse indicator mechanism according to claim 1, characterised in that: one end of the elastic component (104) is connected to the inner end of the limiting groove (103) and is connected with the contact (105) in an abutting mode.