CN212277140U - Thermal link body with prolonged service life - Google Patents
Thermal link body with prolonged service life Download PDFInfo
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- CN212277140U CN212277140U CN202021419365.5U CN202021419365U CN212277140U CN 212277140 U CN212277140 U CN 212277140U CN 202021419365 U CN202021419365 U CN 202021419365U CN 212277140 U CN212277140 U CN 212277140U
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- thermal fuse
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- fixing
- service life
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Abstract
The utility model discloses an increase of service life's thermal link, including the thermal link main part, the both ends difference first pin of fixedly connected with and the second pin of thermal link main part, fixed cover has all been cup jointed to the surface of first pin and second pin the inside of fixed cover is provided with the fixed orifices, first pin and second pin are located the inside of fixed orifices respectively, first pin and the one end that the second pin is close to the thermal link main part have fixed baffle respectively fixed cup jointed, one side that fixed baffle kept away from the thermal link main part contacts with the one end of fixed cover, the fixed cover is kept away from the inside fixed knot of one end of thermal link main part and is had metallic conductor, metallic conductor keeps away from the one end of fixed cover and extends to the outside of fixed cover. The utility model discloses a setting up of fixed cover the thermal link of being convenient for can carry out repetitious usage welding, has prolonged the life of thermal link, has avoided the waste of resource.
Description
Technical Field
The utility model relates to a thermal link technical field especially relates to a increase of service life's thermal link.
Background
The temperature fuse (thermal fuse) is a non-resettable disposable thermal protection device, has low-melting-point alloy RH, RF, RS series and organic chemical RY series, has exquisite product appearance structure, good sealing performance, sensitive and reliable action temperature, small current impact influence and vibration resistance, and is mainly applied to the overheat protection of household appliances and industrial equipment (such as electric fans, motors, transformers, electric cookers, electric frying pans, disinfection cabinets, electric heating water bottles and the like). The temperature fuse is connected in series in the equipment line, and when the temperature rises to a set protection value due to abnormal work of the equipment, the temperature fuse acts to cut off the circuit, so that safety accidents are prevented. The thermal link mainly plays a role in overload protection. The fuse is correctly arranged in the circuit, and the fuse can be fused to cut off the current when the current is abnormally increased to a certain height and heat, so that the safe operation of the circuit is protected.
The thermal fuse link can be recycled in the experiment of a laboratory so as to reduce the waste of resources, but the thermal fuse link needs to be welded on a circuit board, the pins at the two ends of the thermal fuse link are easily shortened due to the recycling, the welding is not convenient, the service life is shortened, and the thermal fuse link can not be recycled for multiple times.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thermal link body with prolonged service life in order to solve the defects existing in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a thermal fuse body with prolonged service life comprises a thermal fuse main body, wherein two ends of the thermal fuse main body are fixedly connected with a first pin and a second pin respectively, the outer surfaces of the first pin and the second pin are respectively sleeved with a fixing sleeve, a fixing hole is formed in the fixing sleeve, the first pin and the second pin are respectively positioned in the fixing hole, one ends of the first pin and the second pin, which are close to the thermal fuse main body, are respectively fixedly sleeved with a fixing baffle, one side of the fixing baffle, which is far away from the thermal fuse main body, is contacted with one end of the fixing sleeve, a metal conductor is fixedly embedded in one end of the fixing sleeve, which is far away from the thermal fuse main body, one end of the metal conductor, which is far away from the fixing sleeve, extends to the outside of the fixing sleeve, a fixing groove is formed in one end of the metal conductor, which is positioned at the fixing sleeve, the fixing groove is in an annular arrangement, and one ends, the outer surface of one end, close to the metal conductor, of the fixing sleeve is provided with a plurality of strip-shaped openings.
As a further description of the above technical solution:
the material of fixed cover is the rubber material.
As a further description of the above technical solution:
the diameters of the first pin and the second pin are slightly larger than the diameter of the fixing hole.
As a further description of the above technical solution:
the metal conductor is made of copper metal.
As a further description of the above technical solution:
the diameters of the fixing grooves are respectively equal to the diameters of the first pins and the second pins.
As a further description of the above technical solution:
the strip-shaped openings are annularly arranged on the surface of the fixed sleeve.
The utility model discloses following beneficial effect has:
the first pin and the second pin are respectively connected with the two metal conductors on the fixed sleeve to lead the two metal conductors to be conductive through the arrangement of the fixed sleeve, the metal conductors, the fixed holes and the fixed grooves, a user can directly weld the metal conductors on the fixed sleeve with the circuit board, when in repeated use, only the fixing sleeve needs to be replaced, thereby avoiding the shortening of the pins caused by repeated welding and utilization, thereby the condition that the welding can not be carried out is avoided, the service life of the thermal fuse link is prolonged, the fixed sleeve is made of rubber, the function of external insulation and the function of heat insulation are realized, the influence on surrounding elements when the thermal fuse link is overheated is avoided, and through the arrangement of a plurality of strip-shaped openings, can make fixed cover also can the reutilization, only need peel off the one end of fixed cover from the strip mouth department and expose remaining metallic conductor and can weld once more, reduced the waste of resource to a certain extent.
The utility model discloses a setting up of fixed cover the thermal link of being convenient for can carry out repetitious usage welding, has prolonged the life of thermal link, has avoided the waste of resource, has certain practicality.
Drawings
FIG. 1 is a sectional view of a thermal fuse of the present invention with an extended service life;
fig. 2 is an enlarged view of a thermal link a for extending a service life according to the present invention;
fig. 3 is a side view of a thermal link of the present invention with an extended service life.
Illustration of the drawings:
1. thermally fusing the main body; 2. a first pin; 3. a second pin; 4. fixing a sleeve; 5. fixing a baffle plate; 6. a metal conductor; 7. a fixing hole; 8. fixing grooves; 9. a strip-shaped opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a thermal fuse body with prolonged service life comprises a thermal fuse main body 1, wherein two ends of the thermal fuse main body 1 are fixedly connected with a first pin 2 and a second pin 3 respectively, the outer surfaces of the first pin 2 and the second pin 3 are respectively sleeved with a fixing sleeve 4, the fixing sleeve 4 is internally provided with a fixing hole 7, the first pin 2 and the second pin 3 are respectively positioned in the fixing hole 7, one ends of the first pin 2 and the second pin 3, which are close to the thermal fuse main body 1, are respectively fixedly sleeved with a fixing baffle plate 5, one side of the fixing baffle plate 5, which is far away from the thermal fuse main body 1, is contacted with one end of the fixing sleeve 4, the inner part of one end of the fixing sleeve 4, which is far away from the thermal fuse main body 1, is fixedly embedded with a metal conductor 6, one end of the metal conductor 6, which is far away from the fixing sleeve 4, extends to the outer part of the fixing sleeve, one end of the first pin 2 and one end of the second pin 3, which are far away from the thermal fuse main body 1, extend into the fixing groove 8 respectively, and the outer surface of one end of the fixing sleeve 4, which is close to the metal conductor 6, is provided with a plurality of strip-shaped openings 9.
The fixing sleeve 4 is made of rubber, has insulation and heat insulation properties, and has certain elasticity, so that the first pin 2 and the second pin 3 can be conveniently inserted; the diameters of the first pin 2 and the second pin 3 are slightly larger than the diameter of the fixing hole 7, and the fixing sleeve 4 has certain elasticity, so that the fixing hole 7 can be enlarged when the first pin 2 and the second pin 3 are inserted into the fixing hole 7, and the fixing effect is better; the metal conductor 6 is made of copper metal and has excellent conductivity; the diameters of the fixing grooves 8 are respectively equal to the diameters of the first pins 2 and the second pins 3, so that one ends of the first pins 2 and the second pins 3 are perfectly clamped and contacted with the fixing grooves 8 to conduct electricity; the strip-shaped openings 9 are annularly arranged on the surface of the fixed sleeve 4, so that one end of the fixed sleeve 4 can be conveniently cut off to facilitate secondary utilization of the fixed sleeve 4.
The working principle is as follows: insert first pin 2 and second pin 3 respectively in fixed orifices 7 of fixed cover 4 to make its one end insert the inside of fixed slot 8, make it contact with the lateral wall of fixed slot 8, make first pin 2 and second pin 3 electrically conductive, later the accessible is fixed metal conductor 6 and circuit board and is installed the thermal link, use the thermal link to make when needs repetitious usage only need change fixed cover 4 can, when needs secondary use, can spill the fixed cover 4 from strip mouth 9 department cut with many surplus metal conductor 6, in order to carry out secondary welding.
Claims (6)
1. A thermal link of increase of service life, includes thermal link main part (1), its characterized in that: the two ends of the thermal fuse main body (1) are fixedly connected with a first pin (2) and a second pin (3) respectively, the outer surfaces of the first pin (2) and the second pin (3) are respectively sleeved with a fixing sleeve (4), a fixing hole (7) is formed in the fixing sleeve (4), the first pin (2) and the second pin (3) are respectively located in the fixing hole (7), one ends, close to the thermal fuse main body (1), of the first pin (2) and the second pin (3) are respectively fixedly sleeved with a fixing baffle (5), one side, far away from the thermal fuse main body (1), of the fixing baffle (5) is contacted with one end of the fixing sleeve (4), the inner part of one end, far away from the thermal fuse main body (1), of the fixing sleeve (4) is fixedly embedded with a metal conductor (6), one end, far away from the fixing sleeve (4), of the metal conductor (6) extends to the outer part of the fixing sleeve (4), fixed slot (8) have been seted up to metallic conductor (6) one end that is located fixed cover (4), fixed slot (8) are the annular setting, the one end that thermal fuse main part (1) was kept away from in first pin (2) and second pin (3) extends to the inside of this fixed slot (8) respectively, a plurality of bar mouths (9) have been seted up to fixed cover (4) surface that is close to metallic conductor (6) one end.
2. A service life extended thermal fuse link according to claim 1, wherein: the fixed sleeve (4) is made of rubber.
3. A service life extended thermal fuse link according to claim 1, wherein: the diameters of the first pin (2) and the second pin (3) are slightly larger than the diameter of the fixing hole (7).
4. A service life extended thermal fuse link according to claim 1, wherein: the metal conductor (6) is made of copper metal.
5. A service life extended thermal fuse link according to claim 1, wherein: the diameters of the fixing grooves (8) are respectively equal to the diameters of the first pins (2) and the second pins (3).
6. A service life extended thermal fuse link according to claim 1, wherein: the strip-shaped openings (9) are annularly arranged on the surface of the fixed sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021419365.5U CN212277140U (en) | 2020-07-18 | 2020-07-18 | Thermal link body with prolonged service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021419365.5U CN212277140U (en) | 2020-07-18 | 2020-07-18 | Thermal link body with prolonged service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277140U true CN212277140U (en) | 2021-01-01 |
Family
ID=73899076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021419365.5U Active CN212277140U (en) | 2020-07-18 | 2020-07-18 | Thermal link body with prolonged service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277140U (en) |
-
2020
- 2020-07-18 CN CN202021419365.5U patent/CN212277140U/en active Active
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