CN201435364Y

CN201435364Y - Micro-fuse

Info

Publication number: CN201435364Y
Application number: CN2009201333783U
Authority: CN
Inventors: 杨光
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-03
Filing date: 2009-07-03
Publication date: 2010-03-31
Anticipated expiration: 2019-07-03

Abstract

The utility model relates to a micro-fuse, which comprises a cap, an insulator, a conducting gasket and a fuse link. The conducting gasket and the cap are sequentially arranged at two ends of the insulator, the fuse link is arranged inside the insulator, two ends of the fuse link are respectively fastened between the conducting gasket and the cap, and the structural design can improve strength ofthe micro-fuse and is favorable for absorbing current.

Description

A kind of microfuze

Technical field

The utility model relates to a kind of fuse, be meant a kind of cap, insulator, conductive spacer and fuse-link of comprising especially, wherein, this conductive spacer and this cap are to be successively set on the two ends of this insulator, and this fuse-link is arranged on the fuse in this insulator, and the two ends of this fuse-link are that respectively clamping can promote the intensity of microfuze by such structural design, and help absorption current between this conductive spacer and this cap.

Background technology

Fuse is also referred to as fuse, and it is connected in the protected circuit when concrete the use, when the electric current of protected circuit surpasses setting; and through after the regular hour; the heat fusing melt that its inner melt self produces disconnects protected circuit, plays the effect of protection.Fuse is widely used in low-voltage distribution system and control system and the power consumption equipment, as short circuit and overcurrent protection, is to use one of the most general protection components and parts.

Because fuse has important effect in circuit, therefore on the part of fuse and the production technology strict requirement being arranged also, its part of common fuse generally is made up of three parts: the one, and melt part (fuse-link), it is the core of fuse, plays the effect of cutting off electric current during fusing; The 2nd, electrode part (cap) has two usually, and it is the vitals that melt connects with circuit, and it must have good electrical conductivity, should not produce tangible installation contact resistance; The 3rd, holder part (fusion tube), the general all very thin softnesses of the melt of fuse, it acts on the integral body of exactly melt being fixed and making three parts become rigidity and is convenient to install, use, it must have excellent mechanical intensity, insulating properties, thermal endurance and anti-flammability, in use should not produce phenomenons such as fracture, distortion, burning and short circuit.But traditional minitype fuse is owing to the disappearance of its structural design, and it is best that the performance of its various aspects often can not reach.

Summary of the invention

The utility model provide a kind of microfuze it comprise cap, insulator, conductive spacer and fuse-link, wherein, this conductive spacer and this cap are to be successively set on the two ends of this insulator, and this fuse-link is arranged in this insulator, and the two ends of this fuse-link be respectively clamping between this conductive spacer and this cap, can promote the intensity of microfuze by such structural design, and help absorption current.

The technical solution adopted in the utility model is, a kind of microfuze, it comprises cap, insulator, conductive spacer, and fuse-link, wherein, this insulator has first openend, second openend and insulator inner chamber, wherein, this first openend and this second openend are corresponding the connection to be arranged on this insulator inner chamber two ends, this conductive spacer and this cap are to be successively set on this first openend of this insulator and this second openend, and this fuse-link is arranged in this insulator inner chamber of this insulator, the two ends of this fuse-link be respectively clamping between this conductive spacer and this cap, this cap comprises top cover and ring wall, and wherein, this top cover is fixedly connected on this ring wall one end, and by this top cover and this ring wall around determining a cap chamber, this cap chamber has the cap opening, and this conductive spacer comprises dististyle and connector, wherein, this dististyle is an end that is fixedly connected on this connector, and the central position of this connector offers through hole.

The beneficial effects of the utility model are: an end of this fuse-link of the present utility model is by when clamping is between this dististyle of this cap and this conductive spacer, one end of this fuse-link forms contact resistance, in addition, this fuse-link is that waveform is to slow down the impulsive force of electric current, at last, this conductive spacer, this cap is riveted on this first openend and this second openend of this insulator successively, can promote the intensity of microfuze by such structural design, and help absorption current, simultaneously, this conductive spacer, this cap forms the explosion-proof that inside and outside two-layer fastening structure helps promoting this insulator on this first openend of this insulator and this second openend.

Description of drawings

The schematic perspective view of Fig. 1 cap of the present utility model;

The schematic perspective view of Fig. 2 insulator of the present utility model;

The schematic perspective view of Fig. 3 conductive spacer of the present utility model;

Fig. 4 cross-sectional view of the present utility model;

Fig. 5 schematic perspective view of the present utility model;

Fig. 6 exploded perspective schematic diagram of the present utility model;

Fig. 7 part-structure schematic perspective view of the present utility model.

Embodiment

Shown in Fig. 1 to 7, a kind of microfuze, it comprises cap 10, insulator 20, conductive spacer 30 and fuse-link 40, wherein, as shown in Figure 2, this insulator 20 has first openend 21, second openend 22 and insulator inner chamber 23, and wherein, this first openend 21 and this second openend 22 are corresponding the connection to be arranged on these insulator inner chamber 23 two ends.

As shown in Figure 6, this conductive spacer 30 and this cap 10 are to be successively set on this first openend 21 of this insulator 20 and this second openend 22.

As shown in Figure 4, and this fuse-link 40 is arranged in this insulator inner chamber 23 of this insulator 20, the two ends of this fuse-link 40 be respectively clamping between this conductive spacer 30 and this cap 10.

As shown in Figure 1, this cap 10 comprises top cover 11 and ring wall 12, and wherein, this top cover 11 is fixedly connected on this ring wall 12 1 ends, and by this top cover 11 and this ring wall 12 around determining a cap chamber 13, this cap chamber 13 has cap opening 131.

As shown in Figure 3, this conductive spacer 30 comprises dististyle 31 and connector 32, and wherein, this dististyle 31 is ends that are fixedly connected on this connector 32, and the central position of this connector 32 offers through hole 321.

Shown in Fig. 4 to 7, in assembling, at first, this connector 32 of this conductive spacer 30 is inserted in this insulator inner chamber 23 of this insulator 20 from this first openend 21 of this insulator 20, and this connector 32 is fixed in this insulator inner chamber 23, simultaneously, this dististyle 31 of this conductive spacer 30 is connected on this first openend 21 of this insulator 20, secondly, one end of this fuse-link 40 is inserted in this insulator inner chamber 23 of this insulator 20 from this second openend 22 of this insulator 20, then, in this through hole 321 of this conductive spacer 30, pass, and be overlapped on this dististyle 31 of this conductive spacer 30, once more, this cap 10 is riveted on this first openend 21 of this insulator 20, this moment, one end of this fuse-link 40 by clamping between this dististyle 31 of this cap 10 and this conductive spacer 30, repeat step as above, with this conductive spacer 30, this cap 10 is riveted on this second openend 22 of this insulator 20 successively, simultaneously, with the other end clamping of aforesaid this fuse-link 40 between this dististyle 31 of this cap 10 and this conductive spacer 30.

Here it should be noted that, one end of this fuse-link 40 is by when clamping is between this dististyle 31 of this cap 10 and this conductive spacer 30, one end of this fuse-link 40 forms contact resistance, in addition, aforesaid this fuse-link 40 is that waveform is to slow down the impulsive force of electric current, at last, this conductive spacer 30, this cap 10 is riveted on this first openend 21 and this second openend 22 of this insulator 20 successively, can promote the intensity of microfuze by such structural design, and help absorption current, simultaneously, this conductive spacer 30, this cap 10 forms the explosion-proof that inside and outside two-layer fastening structure helps promoting this insulator 20 on this first openend 21 of this insulator 20 and this second openend 22.

Claims

1. microfuze, it is characterized in that: it comprises cap, insulator, conductive spacer, and fuse-link, wherein, this insulator has first openend, second openend and insulator inner chamber, wherein, this first openend and this second openend are corresponding the connection to be arranged on this insulator inner chamber two ends, this conductive spacer and this cap are to be successively set on this first openend of this insulator and this second openend, and this fuse-link is arranged in this insulator inner chamber of this insulator, the two ends of this fuse-link be respectively clamping between this conductive spacer and this cap.

2. a kind of microfuze as claimed in claim 1, it is characterized in that: this cap comprises top cover and ring wall, wherein, this top cover is fixedly connected on this ring wall one end, and by this top cover and this ring wall around determining a cap chamber, this cap chamber has the cap opening, this conductive spacer comprises dististyle and connector, wherein, this dististyle is an end that is fixedly connected on this connector, and the central position of this connector offers through hole.

3. a kind of microfuze as claimed in claim 2 is characterized in that: this fuse-link is a waveform.