CN208045443U

CN208045443U - A kind of thin temperature fuse for electromagnetism

Info

Publication number: CN208045443U
Application number: CN201820546042.9U
Authority: CN
Inventors: 王伟斌
Original assignee: Shenzhen Rayleda Electronics Co Ltd
Current assignee: Shenzhen Rayleda Electronics Co Ltd
Priority date: 2018-04-17
Filing date: 2018-04-17
Publication date: 2018-11-02
Anticipated expiration: 2028-04-17

Abstract

The utility model is related to electrical device technical fields, and disclose a kind of thin temperature fuse for electromagnetism, including substrate, the inner cavity of the substrate is fixedly connected with fusible alloy, between two the first sliding blocks casing has been fixedly connected between two the second sliding blocks, the inner cavity of two casings, which extends through, is connected with the first fuse and the second fuse, it is fixedly connected with spring at the top of the bottom of first sliding block and the second sliding block, the inner cavity of the third sliding slot is connected with third sliding block, it is fixedly connected with movable holddown between two third sliding blocks, the straight slot inner cavity side opposite with movable holddown is fixedly connected with fixed briquetting, side of the movable holddown far from fixed briquetting is connected with screw.The utility model solves the problems, such as that the thin temperature fuse reliability for being conventionally used to electromagnetism is incomplete so that the thin temperature fuse for being used for electromagnetism is relatively reliable.

Description

A kind of thin temperature fuse for electromagnetism

Technical field

The utility model is related to electrical device technical fields, specially a kind of thin temperature fuse for electromagnetism.

Background technology

It is well known that fuse is also referred to as current insurance silk, it has been mainly overload protective function, has correctly pacified in circuit Holding fuse, fuse will be when current anomaly be increased to certain height and temperature, itself fusing cut-out electric current is protected Circuit safety operation is protected.

Currently used for the thin temperature fuse of electromagnetism, structure is relatively simple, is usually all profit in protecting circuitry processes It allows fuse to form short circuit with fusible alloy melted by heat, circuit is protected to have the function that cut off circuit, and it is easy Liquid is formed after molten alloy melting, when fuse two parts of the fusible alloy of liquid and disconnection contact, can still allow guarantor Dangerous silk is in channel status, so there are some potential safety problems, this is just to causing the thin temperature for being conventionally used to electromagnetism to insure The silk incomplete problem of reliability.

Utility model content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the utility model provides a kind of thin temperature fuse for electromagnetism, solves It is conventionally used to the thin temperature fuse reliability not perfect problem of electromagnetism.

（Two）Technical solution

To achieve the above object, the utility model provides the following technical solutions：A kind of thin temperature for electromagnetism insures The inner cavity of silk, including substrate, the substrate is fixedly connected with fusible alloy, and front and the back side of substrate inner cavity both sides are distinguished Offer the first sliding groove and second sliding slot, the inner cavity of the first sliding groove and second sliding slot be movably connected with the first sliding block with Second sliding block has been fixedly connected with casing, the inner cavity point of two casings between two the first sliding blocks between two the second sliding blocks The first fuse and the second fuse, the bottom of first sliding block and the fixed company in the top of the second sliding block Guan Chuan be connected with It is connected to spring.

The left side of the base plate bottom and the right side at top offer straight slot, and the both sides of the straight slot inner cavity offer The inner cavity of third sliding slot, the third sliding slot is connected with third sliding block, and activity is fixedly connected between two third sliding blocks Briquetting, the straight slot inner cavity side opposite with movable holddown are fixedly connected with fixed briquetting, and the movable holddown is far from fixed The side of briquetting is connected with screw.

Preferably, the right side of the left side at the top of the fusible alloy and bottom respectively with the right side of the first fuse bottom and Left side bonding at the top of second fuse, and fusible alloy is located at the middle part of substrate inner cavity.

Preferably, the one end of first fuse and the second fuse far from fusible alloy extends through two straight slots simultaneously Extend to the outside of substrate.

Preferably, the one end of the screw far from movable holddown runs through straight slot and extends to the outside of substrate, and screw Outside is threadedly coupled with substrate.

Preferably, the number of the spring be four, four springs be divided into two groups be located at two the first sliding grooves and The inner cavity of second sliding slot, and the bottom and top of two groups of springs respectively with the bottom of two the first sliding groove inner cavities and two second cunnings Slot is fixedly connected at the top of inner cavity.

Preferably, the movable holddown, casing and fixed briquetting are rubber material, and movable holddown and fixation briquetting phase To side be the arcuate structure being recessed inwardly.

Operation principle：Spring remain in the initial state to the first sliding block and the second sliding block apply respectively upwards and to Under elastic force, can be melted immediately when fault fusible alloy is heated, fusible alloy loses to the first fuse and second at this time The bonding force of fuse, two groups of first sliding blocks of spring pair and the second sliding block apply elastic force up and down, the first sliding block respectively The one end for driving the first fuse opposite with the second fuse by two casings respectively with the second sliding block is moved in the opposite direction Dynamic, the first fuse of effective guarantee is completely separated with the second fuse, and conventional temperature fuse is avoided to rely on fusible alloy merely When fusing cut-out circuit, fusible alloy becomes after liquid it is also possible to the case where holding circuit access occurs, and rotates forward Screw moves when screw is threadedly coupled with substrate to straight slot inner cavity, and third sliding slot and third sliding block is coordinated to drive movable holddown It is moved to fixed briquetting side, two groups of movable holddowns can be respectively to the first fuse and the second fuse with fixed briquetting at this time It is clamped fixation, at the same time, the outside of screw is threadedly coupled with substrate, can be carried out real-time position and be fixed, such energy Enough simultaneously to being clamped fixation at the top and bottom of the first fuse and the second fuse, when the first fuse and second insure When one end under tension of the separate substrate of silk, fixing clip and movable clip block can effectively prevent the first fuse and second to insure Silk is detached with fusible alloy causes fault, improves the performance of the resistance to drawing of the fuse.

（Three）Advantageous effect

The utility model provides a kind of thin temperature fuse for electromagnetism.Has following advantageous effect：

（1）, the utility model passes through spring, the first sliding groove, second sliding slot, the first sliding block and the second sliding block is arranged so that Spring remains in the initial state applies elastic force up and down respectively to the first sliding block and the second sliding block, when circuit therefore Barrier fusible alloy is heated to be melted immediately, and fusible alloy loses the bonding force to the first fuse and the second fuse at this time, and two Group the first sliding block of spring pair and the second sliding block apply elastic force up and down respectively, and the first sliding block and the second sliding block pass through respectively One end that two casings drive the first fuse opposite with the second fuse is moved in the opposite direction, and effective guarantee first insures Silk is completely separated with the second fuse, meltable when conventional temperature fuse being avoided to rely on fusible alloy fusing cut-out circuit merely Alloy becomes after liquid it is also possible to the case where holding circuit access occurs, to realize the thin temperature for electromagnetism The relatively reliable advantage of fuse.

（2）, the utility model passes through movable holddown, third sliding slot, third sliding block, fixed briquetting and screw is arranged so that Screw is rotated forward, is moved to straight slot inner cavity when screw is threadedly coupled with substrate, and third sliding slot and third sliding block is coordinated to drive Movable holddown is moved to fixed briquetting side, and two groups of movable holddowns and fixed briquetting can be respectively to the first fuse and the at this time Two fuses are clamped fixation, and at the same time, the outside of screw is threadedly coupled with substrate, and it is solid can to carry out real-time position It is fixed, it in this way can be simultaneously to being clamped fixation at the top and bottom of the first fuse and the second fuse, when the first fuse When with one end under tension of second fuse far from substrate, fixing clip and movable clip block can effectively prevent the first fuse It is detached with fusible alloy with the second fuse and causes fault, improve the performance of the resistance to drawing of the fuse, to further carry High this is used for the relatively reliable advantage of thin temperature fuse of electromagnetism.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is enlarged drawing at A in Fig. 1.

In figure：1 substrate, 2 fusible alloys, 3 the first sliding grooves, 4 second sliding slots, 5 first sliding blocks, 6 second sliding blocks, 7 casings, 8 First fuse, 9 second fuses, 10 springs, 11 straight slots, 12 third sliding slots, 13 third sliding blocks, 14 movable holddowns, 15 are fixed Briquetting, 16 screws.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

As shown in Figs. 1-2, the utility model provides a kind of technical solution：A kind of thin temperature fuse for electromagnetism, Including substrate 1, the inner cavity of substrate 1 is fixedly connected with fusible alloy 2, the left side at 2 top of fusible alloy and the right side difference of bottom It is Nian Jie with the left side at 9 top of the right side of 8 bottom of the first fuse and the second fuse, and fusible alloy 2 is located at 1 inner cavity of substrate Middle part, front and the back side of 1 inner cavity both sides of substrate offer the first sliding groove 3 and second sliding slot 4, the first sliding groove 3 and second respectively The inner cavity of sliding slot 4 has been movably connected with the first sliding block 5 and the second sliding block 6, between two the first sliding blocks 5 with two the second sliding blocks Casing 7 has been fixedly connected between 6, the inner cavity of two casings 7, which extends through, is connected with the first fuse 8 and the second fuse 9, First fuse 8 and second one end of fuse 9 far from fusible alloy 2 extend through two straight slots 11 and extend to substrate 1 Outside, the top of the bottom of the first sliding block 5 and the second sliding block 6 have been fixedly connected with spring 10, and the number of spring 10 is four, and four A spring 10 is divided into two groups of inner cavities for being located at two the first sliding grooves 3 and second sliding slot 4, and the bottom of two groups of springs 10 and Top is fixedly connected at the top of the bottom of two 3 inner cavities of the first sliding groove and two 4 inner cavities of second sliding slot respectively, passes through and bullet is arranged Spring 10, the first sliding groove 3, second sliding slot 4, the first sliding block 5 and the second sliding block 6 so that spring 10 remains in the initial state Elastic force up and down is applied respectively to the first sliding block 5 and the second sliding block 6, when fault fusible alloy 2 is heated meeting immediately Fusing, fusible alloy 2 loses the bonding force to the first fuse 8 and the second fuse 9 at this time, and two groups of springs 10 are to the first sliding block 5 and second sliding block 6 apply elastic force up and down respectively, the first sliding block 5 and the second sliding block 6 pass through two 7 bands of casing respectively Dynamic first fuse 8 one end opposite with the second fuse 9 is moved in the opposite direction, the first fuse of effective guarantee 8 and the Two fuses 9 are completely separated, when conventional temperature fuse being avoided to rely on the fusing cut-out circuit of fusible alloy 2 merely, fusible alloy 2 Become after liquid it is also possible to the case where holding circuit access occurs.

The left side of 1 bottom of substrate and the right side at top offer straight slot 11, and the both sides of 11 inner cavity of straight slot offer The inner cavity of three sliding slots 12, third sliding slot 12 is connected with third sliding block 13, and work is fixedly connected between two third sliding blocks 13 Dynamic pressure block 14, movable holddown 14, casing 7 and fixed briquetting 15 are rubber material, and movable holddown 14 and fixation 15 phase of briquetting To side be the arcuate structure being recessed inwardly, 11 inner cavity of the straight slot side opposite with movable holddown 14 is fixedly connected with fixation Briquetting 15, side of the movable holddown 14 far from fixed briquetting 15 are connected with screw 16, and screw 16 is far from movable holddown 14 One end runs through straight slot 11 and extends to the outside of substrate 1, and the outside of screw 16 is threadedly coupled with substrate 1, passes through setting activity Briquetting 14, third sliding slot 12, third sliding block 13, fixed briquetting 15 and screw 16 so that rotate forward screw 16, screw 16 and base It is moved to 11 inner cavity of straight slot when plate 1 is threadedly coupled, and third sliding slot 12 and third sliding block 13 is coordinated to drive movable holddown 14 to admittedly 15 side of level pressure block is moved, and two groups of movable holddowns 14 can respectively be protected the first fuse 8 and second with fixed briquetting 15 at this time Dangerous silk 9 is clamped fixation, and at the same time, the outside of screw 16 is threadedly coupled with substrate 1, and it is solid can to carry out real-time position It is fixed, can fixation be clamped to the top and bottom of the first fuse 8 and the second fuse 9 simultaneously in this way, when the first insurance When silk 8 and the second one end under tension of the fuse 9 far from substrate 1, fixing clip and movable clip block can effectively prevent first Fuse 8 detaches with fusible alloy 2 with the second fuse 9 and causes fault, improves the performance of the resistance to drawing of the fuse.

Operation principle：Spring 10 remains in the initial state applies upwards the first sliding block 5 and the second sliding block 6 respectively With downward elastic force, can be melted immediately when fault fusible alloy 2 is heated, fusible alloy 2 loses to the first fuse 8 at this time With the bonding force of the second fuse 9, two groups of springs 10 apply bullet up and down respectively to the first sliding block 5 and the second sliding block 6 Power, the first sliding block 5 and the second sliding block 6 drive one opposite with the second fuse 9 of the first fuse 8 by two casings 7 respectively End is moved in the opposite direction, and the first fuse of effective guarantee 8 is completely separated with the second fuse 9, and conventional temperature is avoided to insure Silk merely by the fusing cut-out circuit of fusible alloy 2 when, fusible alloy 2 becomes after liquid it is also possible to holding circuit access It happens, and rotates forward screw 16, moved to 11 inner cavity of straight slot when screw 16 is threadedly coupled with substrate 1, and coordinate third Sliding slot 12 and third sliding block 13 drive movable holddown 14 to be moved to 15 side of fixed briquetting, at this time two groups of movable holddowns 14 with it is fixed Briquetting 15 can be clamped fixation to the first fuse 8 and the second fuse 9 respectively, at the same time, the outside of screw 16 with Substrate 1 is threadedly coupled, and can be carried out real-time position and be fixed, in this way can be simultaneously to the first fuse 8 and the second fuse 9 Top and bottom are clamped fixation, when one end under tension far from substrate 1 of the first fuse 8 and the second fuse 9, Gu Clamp block and movable clip block can effectively prevent the first fuse 8 to be detached with the second fuse 9 with fusible alloy 2 and cause circuit event Barrier, improves the performance of the resistance to drawing of the fuse.

It can to sum up obtain, this is used for the thin temperature fuse of electromagnetism, by the way that spring 10, the first sliding groove 3, second sliding slot is arranged 4, the first sliding block 5 and the second sliding block 6, movable holddown 14, third sliding slot 12, third sliding block 13, fixed briquetting 15 and screw 16, solution It has determined and has been conventionally used to the incomplete problem of thin temperature fuse reliability of electromagnetism.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of thin temperature fuse for electromagnetism, including substrate（1）, it is characterised in that：The substrate（1）Inner cavity it is solid Surely it is connected with fusible alloy（2）, the substrate（1）Front and the back side of inner cavity both sides offer the first sliding groove respectively（3）With Two sliding slots（4）, the first sliding groove（3）With second sliding slot（4）Inner cavity be movably connected with the first sliding block（5）It is slided with second Block（6）, two the first sliding blocks（5）Between with two the second sliding blocks（6）Between be fixedly connected with casing（7）, two casings（7） Inner cavity extend through and be connected with the first fuse（8）With the second fuse（9）, first sliding block（5）Bottom and second Sliding block（6）Top be fixedly connected with spring（10）；

The substrate（1）The left side of bottom and the right side at top offer straight slot（11）, the straight slot（11）The both sides of inner cavity Offer third sliding slot（12）, the third sliding slot（12）Inner cavity be connected with third sliding block（13）, two thirds cunnings Block（13）Between be fixedly connected with movable holddown（14）, the straight slot（11）Inner cavity and movable holddown（14）Opposite side is fixed It is connected with fixed briquetting（15）, the movable holddown（14）Far from fixed briquetting（15）Side be connected with screw（16）.

2. a kind of thin temperature fuse for electromagnetism according to claim 1, it is characterised in that：The fusible alloy （2）The left side at top and the right side of bottom respectively with the first fuse（8）The right side of bottom and the second fuse（9）The left side at top Side bonds, and fusible alloy（2）Positioned at substrate（1）The middle part of inner cavity.

3. a kind of thin temperature fuse for electromagnetism according to claim 1, it is characterised in that：First insurance Silk（8）With the second fuse（9）Far from fusible alloy（2）One end extend through two straight slots（11）And extend to substrate（1） Outside.

4. a kind of thin temperature fuse for electromagnetism according to claim 1, it is characterised in that：The screw（16） Far from movable holddown（14）One end run through straight slot（11）And extend to substrate（1）Outside, and screw（16）Outside and base Plate（1）It is threadedly coupled.

5. a kind of thin temperature fuse for electromagnetism according to claim 1, it is characterised in that：The spring（10） Number be four, four springs（10）It is divided into two groups and is located at two the first sliding grooves（3）And second sliding slot（4）It is interior Chamber, and two groups of springs（10）Bottom and top respectively with two the first sliding grooves（3）The bottom of inner cavity and two second sliding slots（4） It is fixedly connected at the top of inner cavity.

6. a kind of thin temperature fuse for electromagnetism according to claim 1, it is characterised in that：The movable holddown （14）, casing（7）With fixed briquetting（15）It is rubber material, and movable holddown（14）With fixed briquetting（15）Opposite side It is the arcuate structure being recessed inwardly.