CN217333995U

CN217333995U - Flexible temperature fuse

Info

Publication number: CN217333995U
Application number: CN202123213655.1U
Authority: CN
Inventors: 王维; 蒋华平
Original assignee: Sophie Jiangsu Electronic Technology Co ltd
Current assignee: Sophie Jiangsu Electronic Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-30
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a flexible temperature fuse, including shell body and pin, the outside parcel of shell body has first flexible layer, the inboard in the shell body is settled to the pin, the outside parcel of pin has the flexible layer of second, the chamber of fusing has been seted up to the inboard of shell body, the inboard in fusing chamber is settled there is the fusing subassembly. This flexible temperature fuse pin adopts flexible iron wire preparation, the fuse is fixed with equipment under test to accomplish the back, through pressing the shell body, enable the pin and bend, this makes the shell body, the pin can laminate with the surface of testee mutually, and first flexible layer and second flexible layer can fill the gap of fuse and testee this moment, make the better laminating with the testee of fuse, the response is by the heat of conduction, on the other hand, the dual insulation of fuse can be realized with the flexible layer of second to first flexible layer that the silicone rubber made, can realize flame retardant efficiency and dual seal effect simultaneously, can promote the stability in use of fuse.

Description

Flexible temperature fuse

Technical Field

The utility model relates to a temperature fuse technical field specifically is a flexible temperature fuse.

Background

The thermal fuse, also called a thermal fuse, is a temperature-sensitive loop breaking device. The temperature fuse can sense overheating generated in abnormal operation of electric and electronic products, so that a loop is cut off to avoid fire, and the temperature fuse is also commonly used for: the electric hair drier, the electric iron, the electric cooker, the electric furnace, the transformer, the motor, the water dispenser, the coffee pot and the like cannot be used again after the temperature fuse is operated, and the temperature fuse only acts once at the fusing temperature.

The common temperature fuse in the market can not be well attached to a protected product and can sense the temperature of the protected product because the surface of the body of the common temperature fuse is rigid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible temperature fuse to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible temperature fuse, includes shell body and pin, the outside parcel of shell body has first flexible layer, the pin is settled in the inboard of shell body, the outside parcel of pin has the flexible layer of second, the fusing chamber has been seted up to the inboard of shell body, the inboard arrangement in fusing chamber has the fusing subassembly, the fusing subassembly includes mounting, fuse, slide and separation spring, the outside of mounting is fixed with the fuse, and the outside of fuse is connected with the slide, the inboard of slide is connected with separation spring.

Furthermore, the outer surface of the outer shell is attached to the inner surface of the first flexible layer, and the pins are connected with the outer shell in a clamping mode.

Furthermore, the number of the pins is two, and the outer surfaces of the pins are attached to the inner surface of the second flexible layer.

Furthermore, the first flexible layer and the second flexible layer are integrated, and the first flexible layer and the second flexible layer are made of silicon rubber.

Furthermore, the fixing part is welded to the pins and electrically connected to the fuse.

Furthermore, the fuse wire penetrates through the middle of the sliding plate, and the sliding plate and the fuse cavity are vertically distributed.

Furthermore, the sliding plate is elastically connected with the separation spring, and the separation spring is connected with the pins in a welding mode.

The utility model provides a flexible temperature fuse possesses following beneficial effect: first flexible layer and second flexible layer can fill the gap of fuse and testee, make the better and the testee laminating of fuse, the response by the heat of conduction, and on the other hand, the dual insulation of fuse can be realized with the flexible layer of second to the first flexible layer of silicon rubber system, can also realize fire-retardant effect and dual seal's effect simultaneously.

1. The utility model discloses the pin adopts flexible iron wire preparation, the fuse is fixed with equipment under test and is accomplished the back, through pressing the shell body, enable the pin and bend, this makes the shell body, the pin can laminate mutually with the surface of testee, and first flexible layer and second flexible layer can fill the gap of fuse and testee this moment, make the fuse better laminate with the testee, the response is by the heat of conduction, on the other hand, the dual insulation of fuse can be realized with the flexible layer of second to the first flexible layer of silicon rubber system, can also realize fire-retardant effect and dual seal's effect simultaneously, this stability in use that can promote the fuse.

2. The utility model discloses fuse can fuse by oneself after exceeding fusing temperature, and after the fuse fuses, the slide plate can be driven by separation spring and reset because of the support that loses the fuse, and at the in-process that the slide plate slided and resets, can drive the displacement of carrying on by the fuse of fusing, and this makes the both ends of fuse can separate completely after the fusing, and this can avoid not separating completely after the fuse fuses and lead to the condition emergence that the electric quantity did not cut off.

Drawings

Fig. 1 is a schematic view of an overall structure of a flexible thermal fuse according to the present invention;

FIG. 2 is a schematic view of a fuse assembly of the flexible thermal fuse of the present invention;

fig. 3 is the utility model relates to a pin cross section structure schematic diagram of flexible temperature fuse.

In the figure: 1. an outer housing; 2. a first flexible layer; 3. a pin; 4. a second flexible layer; 5. a fuse cavity; 6. a fuse assembly; 601. a fixing member; 602. fusing the wires; 603. a slide plate; 604. the spring is disengaged.

Detailed Description

Referring to fig. 1 and 3, a flexible thermal fuse includes an outer shell 1 and pins 3, the outer side of the outer shell 1 is wrapped with a first flexible layer 2, the pins 3 are disposed on the inner side of the outer shell 1, the outer side of the pins 3 is wrapped with a second flexible layer 4, the outer surface of the outer shell 1 is attached to the inner surface of the first flexible layer 2, the pins 3 are connected to the outer shell 1 in a clamping manner, the number of the pins 3 is two, the outer surface of the pins 3 is attached to the inner surface of the second flexible layer 4, the first flexible layer 2 and the second flexible layer 4 are integrated, the first flexible layer 2 and the second flexible layer 4 are made of silicon rubber, after the fuse is manufactured, the outer layers of the outer shell 1 and the pins 3 are coated with a molten silicon rubber coating, after the silicon rubber coating is solidified, the first flexible layer 2 and the second flexible layer 4 can be formed, the pins 3 are made of flexible iron wire, fuse and fixed the completion back of equipment under test, through pressing shell body 1, enable pin 3 and bend, this makes shell body 1, pin 3 can laminate mutually with the surface of testee, and first flexible layer 2 and second flexible layer 4 can fill the gap of fuse and testee this moment, make the better and the testee laminating of fuse, the response is by the conducted heat, on the other hand, the dual insulation of fuse can be realized to first flexible layer 2 and the flexible layer 4 of second of silicon rubber system, can also realize fire-retardant effect and dual sealed effect simultaneously, this stability in use that can promote the fuse.

Referring to fig. 1 and 2, a fuse cavity 5 is formed on an inner side of an outer housing 1, a fuse assembly 6 is disposed on the inner side of the fuse cavity 5, the fuse assembly 6 includes a fixing member 601, a fuse 602, a sliding plate 603 and a separation spring 604, the fuse 602 is fixed on an outer side of the fixing member 601, the sliding plate 603 is connected on an outer side of the fuse 602, the separation spring 604 is connected on an inner side of the sliding plate 603, the fixing member 601 is connected to a pin 3 by welding, the fixing member 601 is electrically connected to the fuse 602, the fuse 602 penetrates through a middle portion of the sliding plate 603, the sliding plate 603 and the fuse cavity 5 are vertically distributed, the sliding plate 603 is elastically connected to the separation spring 604, the separation spring 604 is connected to the pin 3 by welding, the fuse 602 is fused by itself when exceeding a fusing temperature during operation, the fuse 602 is fused, the sliding plate 603 is driven to be reset by the separation spring 604 due to loss of support of the fuse 602, and in the sliding reset process of the sliding plate 603, the fused fuse 602 can be driven to move, so that the two ends of the fuse 602 can be completely separated after being fused, and the situation that the electric quantity is not cut off due to incomplete separation after the fuse 602 is fused can be avoided.

In summary, according to the structure shown in fig. 1-3, when the flexible thermal fuse is used, firstly, after the fuse is manufactured, a layer of molten silicone rubber coating is coated on the outer layers of the outer shell 1 and the pins 3, and after the silicone rubber coating is solidified, the first flexible layer 2 and the second flexible layer 4 can be formed;

then after the fuse is fixed with the tested equipment, the pin 3 can be bent by pressing the outer shell 1, so that the outer shell 1 and the pin 3 can be attached to the surface of the tested object, and at the moment, the first flexible layer 2 and the second flexible layer 4 can fill the gap between the fuse and the tested object, so that the fuse is better attached to the tested object to sense the conducted heat, on the other hand, the first flexible layer 2 and the second flexible layer 4 made of silicon rubber can realize the double insulation of the fuse, and simultaneously, the flame retardant effect and the double sealing effect can be realized, so that the use stability of the fuse can be improved;

finally, the fuse wire 602 can be automatically fused after exceeding the fusing temperature in the working process, after the fuse wire 602 is fused, the sliding plate 603 can be driven to reset by the separating spring 604 due to the loss of the support of the fuse wire 602, and in the sliding reset process of the sliding plate 603, the fused fuse wire 602 can be driven to displace, so that the two ends of the fuse wire 602 can be completely separated after being fused, and the situation that the electric quantity is not cut off due to incomplete separation after the fuse wire 602 is fused can be avoided.

Claims

1. The utility model provides a flexible temperature fuse, includes shell body (1) and pin (3), its characterized in that, the outside parcel of shell body (1) has first flexible layer (2), pin (3) are settled in the inboard of shell body (1), the outside parcel of pin (3) has second flexible layer (4), fusing chamber (5) have been seted up to the inboard of shell body (1), the inboard of fusing chamber (5) is settled has fusing subassembly (6), fusing subassembly (6) are including mounting (601), fuse (602), slide plate (603) and separation spring (604), the outside of mounting (601) is fixed with fuse (602), and the outside of fuse (602) is connected with slide plate (603), the inboard of slide plate (603) is connected with separation spring (604).

2. A flexible thermal fuse according to claim 1 wherein the outer surface of the outer housing (1) is attached to the inner surface of the first flexible layer (2) and the pins (3) are snap-fit connected to the outer housing (1).

3. A flexible thermal fuse according to claim 1 wherein there are two of said pins (3) and the outer surface of the pins (3) is in abutment with the inner surface of the second flexible layer (4).

4. A flexible thermal fuse according to claim 1 wherein the first flexible layer (2) and the second flexible layer (4) are integral and the first flexible layer (2) and the second flexible layer (4) are made of silicone rubber.

5. A flexible thermal fuse according to claim 1 wherein the fixing member (601) is soldered to the pin (3) and the fixing member (601) is electrically connected to the fuse (602).

6. The flexible thermal fuse of claim 1, wherein the fusible link (602) penetrates through the middle of the sliding plate (603), and the sliding plate (603) and the fuse cavity (5) are vertically distributed.

7. A flexible thermal fuse according to claim 1 wherein said stripper plate (603) is resiliently connected to a separator spring (604) and the separator spring (604) is soldered to the pin (3).