CN209804359U - Resistor with built-in metal shell temperature fuse - Google Patents
Resistor with built-in metal shell temperature fuse Download PDFInfo
- Publication number
- CN209804359U CN209804359U CN201920591801.8U CN201920591801U CN209804359U CN 209804359 U CN209804359 U CN 209804359U CN 201920591801 U CN201920591801 U CN 201920591801U CN 209804359 U CN209804359 U CN 209804359U
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- China
- Prior art keywords
- metal
- temperature fuse
- shell
- ceramic tube
- connecting shell
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- 239000002184 metal Substances 0.000 title claims abstract description 78
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 78
- 239000000919 ceramic Substances 0.000 claims abstract description 38
- 239000011810 insulating material Substances 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model discloses a resistor with a built-in metal shell temperature fuse, which comprises a metal shell, a connecting shell, a temperature fuse, an insulating material, a first pin, a ceramic tube, a retainer ring, a metal conductive cap, a second pin and a resistance wire winding, wherein one end of the metal shell is fixed with the connecting shell, the inner wall of the metal shell is fixedly connected with the temperature fuse in an inserting way, a lead wire at one end of the temperature fuse is fixedly connected with the inner wall of the connecting shell, one end of the inner wall of the metal shell, which is far away from the connecting shell, is filled with the insulating material, the lead wire at one end of the temperature fuse, which is far away from the connecting shell, passes through the insulating material and is fixed with the first pin, the outer side of the metal shell is sleeved with the ceramic tube, the ceramic tube is a cylindrical tube body, one end of the ceramic tube, which is close to the connecting shell, the other end of the outer side of the metal, the temperature fuse and the ceramic tube are prevented from falling off, the stability is good, the size is small, and the use is convenient.
Description
Technical Field
The utility model relates to a resistor technical field specifically is a resistor of built-in metal casing temperature fuse.
Background
The fuse resistor device is mainly used in electric appliance, electronic product equipment and its parts, and is an overheat protection device in electronic product, and the fuse resistor used in general electric appliance product can make the fuse wire firstly fuse when the abnormal state of overcurrent or overvoltage occurs so as to cut off current and make it reach protection circuit!
In the prior art, the temperature fuse and the resistor part are mainly made of ceramic materials, the temperature fuse is fixed on the porcelain tube, and the ceramic is a fragile and easily damaged part, so that the temperature fuse and the resistor porcelain tube are easy to fall off when external contact collision occurs, the temperature fuse is usually arranged on the porcelain tube, and a protection pattern layer is also required to be arranged on the temperature fuse and a conductive tube is required to be arranged on the porcelain tube, so that the structure is complex, and the stability is poor;
And the existing fuse resistors are bulky. To this end, we propose a resistor with a built-in metal case temperature fuse.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a resistor of built-in metal casing 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: a resistor with a built-in metal shell temperature fuse comprises a metal shell, a connecting shell, the temperature fuse, an insulating material, a first pin, a ceramic tube, a retainer ring, a metal conductive cap, a second pin and a resistance wire winding, wherein the connecting shell is fixed at one end of the metal shell, the temperature fuse is fixedly inserted and connected on the inner wall of the metal shell, a lead at one end of the temperature fuse is fixedly connected with the inner wall of the connecting shell, the insulating material is filled at one end, far away from the connecting shell, of the inner wall of the metal shell, the lead at one end, far away from the connecting shell, of the temperature fuse penetrates through the insulating material and is fixed with the first pin, the ceramic tube is fixedly sleeved on the outer side of the metal shell, the ceramic tube is a cylindrical tube body, one end, close to the connecting shell, of the ceramic tube is arranged in a sealing mode, the retainer ring is fixed at one end, far away from the connecting, the metal conductive cap is fixed to the outer side of one end, far away from the retainer ring, of the ceramic tube in a clamping mode, a second pin is fixed to the outer side of the metal conductive cap, a resistance wire is wound on the outer side of the ceramic tube in a winding mode, one end of the resistance wire is electrically connected with the retainer ring, and the other end of the resistance wire is electrically connected with the metal conductive cap.
Preferably, the metal shell, the connecting shell and the retainer ring are integrally formed.
Preferably, the metal shell, the connecting shell and the retainer ring are all made of an iron tinning material.
Preferably, the insulating material is an epoxy resin.
Preferably, the inner diameter of the metal conductive cap is larger than the outer diameter of the ceramic tube.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the temperature fuse is pegged graft in metal casing, and fix the pin of temperature fuse one end with the connection shell, and the lead wire of the other end passes metal casing, and fill the encapsulation through insulating material between with metal casing, so as to be insulating with metal casing, metal casing is fixed with the retaining ring, and metal casing, connection shell and retaining ring are a tin-plated iron material and make, make metal casing, electrically conduct between connection shell and the retaining ring, metal casing outside cover is equipped with ceramic tube, and space joint between ceramic tube one end and retaining ring and the metal casing is fixed, and through resistance wire and wire winding joint at the metal conductive cap electric connection of the ceramic tube other end, make temperature fuse and resistance wire winding form the series connection, this device simple structure, prevent that temperature fuse and ceramic tube from droing, stability is better.
2. The utility model discloses the temperature fuse is pegged graft at the metal casing inner wall, and metal casing passes through retaining ring and ceramic pipe joint, makes temperature fuse and metal casing fix at the ceramic pipe inner wall, but reduces the whole volume of resistor greatly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic view of the cross-sectional structure of the present invention.
In the figure: 1. a metal housing; 2. a connecting shell; 3. a temperature fuse; 4. an insulating material; 5. a first pin; 6. a ceramic tube; 7. a retainer ring; 8. a metal conductive cap; 9. a second pin; 10. and winding the resistance wire.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a resistor with a built-in metal shell temperature fuse comprises a metal shell 1, a connecting shell 2, a temperature fuse 3, an insulating material 4, a first pin 5, a ceramic tube 6, a retainer ring 7, a metal conductive cap 8, a second pin 9 and a resistance wire winding 10, wherein one end of the metal shell 1 is fixed with the connecting shell 2 so as to fix a lead of the temperature fuse 3, the inner wall of the metal shell 1 is fixedly inserted with the temperature fuse 3, the lead of one end of the temperature fuse 3 is fixedly connected with the inner wall of the connecting shell 2, one end of the inner wall of the metal shell 1, which is far away from the connecting shell, is filled with the insulating material 4 so as to prevent the lead of one end of the temperature fuse 3 from being conductive with the metal shell 1, the lead of one end of the temperature fuse 3, which is far away from the connecting shell 2, penetrates through the insulating material 4 so as to be fixed with the first pin 5 so as to facilitate the connection of external parts, ceramic tube 6 is the cylinder body, and ceramic tube 6 is close to the one end of connecting shell 2 and is sealed the setting, the one end of connecting shell 2 is kept away from in the 1 outside of metal casing is fixed with retaining ring 7, and ceramic tube 6 and retaining ring 7 inner wall joint, be convenient for fixed between metal casing 1 and the ceramic tube 6, the one end outside joint that retaining ring 7 was kept away from to ceramic tube 6 is fixed with metal conductive cap 8, be convenient for fix second pin 9, the metal conductive cap 8 outside is fixed with second pin 9, the winding of the 6 outside of ceramic tube has resistance wire winding 10, resistance wire winding 10 one end and retaining ring 7 electric connection, and the resistance wire winding 10 other end and the 8 electric connection of metal conductive cap.
Metal casing 1, connection shell 2 and retaining ring 7 all are integrated into one piece and set up, the processing of metal casing 1, connection shell 2 and retaining ring 7 of being convenient for.
the metal shell 1, the connecting shell 2 and the retainer ring 7 are all made of iron tinning materials, and the metal shell 1, the connecting shell 2 and the retainer ring 7 are prevented from being corroded.
The insulating material 4 is an epoxy resin, which facilitates insulation of the lead wire at one end of the thermal fuse 3 from the metal case 1.
The inner diameter of the metal conductive cap 8 is larger than the outer diameter of the ceramic tube 6, so that the metal conductive cap 8 and the ceramic tube 6 can be conveniently clamped.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a resistor of built-in metal casing temperature fuse, includes metal casing (1), connecting shell (2), temperature fuse (3), insulating material (4), first pin (5), ceramic pipe (6), retaining ring (7), metal conductive cap (8), second pin (9) and resistance wire winding (10), its characterized in that: the temperature-sensing fuse is characterized in that a connecting shell (2) is fixed at one end of a metal shell (1), a temperature fuse (3) is fixedly inserted into the inner wall of the metal shell (1), a lead at one end of the temperature fuse (3) is fixedly connected with the inner wall of the connecting shell (2), an insulating material (4) is filled at one end, far away from the connecting shell, of the inner wall of the metal shell (1), a lead at one end, far away from the connecting shell (2), of the temperature fuse (3) penetrates through the insulating material (4) to be fixed with a first pin (5), a ceramic tube (6) is fixedly sleeved on the outer side of the metal shell (1), the ceramic tube (6) is a cylindrical tube body, one end, close to the connecting shell (2), of the ceramic tube (6) is sealed and arranged, a retaining ring (7) is fixed at one end, far away from the connecting shell (2), of the outer side of the metal shell (1), and the ceramic tube, the ceramic tube is characterized in that a metal conductive cap (8) is fixed to the outer side of one end, away from the retainer ring (7), of the ceramic tube (6) in a clamped mode, a second pin (9) is fixed to the outer side of the metal conductive cap (8), a resistance wire winding (10) is wound on the outer side of the ceramic tube (6), one end of the resistance wire winding (10) is electrically connected with the retainer ring (7), and the other end of the resistance wire winding (10) is electrically connected with the metal conductive cap (8).
2. The resistor with the built-in metal case temperature fuse as claimed in claim 1, wherein: the metal shell (1), the connecting shell (2) and the check ring (7) are integrally formed.
3. The resistor with the built-in metal case temperature fuse as claimed in claim 1, wherein: the metal shell (1), the connecting shell (2) and the retainer ring (7) are all made of iron tin-plated materials.
4. The resistor with the built-in metal case temperature fuse as claimed in claim 1, wherein: the insulating material (4) is an epoxy resin.
5. The resistor with the built-in metal case temperature fuse as claimed in claim 1, wherein: the inner diameter of the metal conductive cap (8) is larger than the outer diameter of the ceramic tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591801.8U CN209804359U (en) | 2019-04-28 | 2019-04-28 | Resistor with built-in metal shell temperature fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591801.8U CN209804359U (en) | 2019-04-28 | 2019-04-28 | Resistor with built-in metal shell temperature fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209804359U true CN209804359U (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920591801.8U Active CN209804359U (en) | 2019-04-28 | 2019-04-28 | Resistor with built-in metal shell temperature fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209804359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994293A (en) * | 2019-04-28 | 2019-07-09 | 东莞市拓锋电子科技有限公司 | A kind of resistor of built-in metal skin temperature fuse |
-
2019
- 2019-04-28 CN CN201920591801.8U patent/CN209804359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994293A (en) * | 2019-04-28 | 2019-07-09 | 东莞市拓锋电子科技有限公司 | A kind of resistor of built-in metal skin temperature fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220722 Address after: 516199 No. 2, West Zone, Yiheng North Road, JiuTan Heyi renewable resources industrial zone, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Patentee after: Guangdong Tuofeng Electronic Technology Co.,Ltd. Address before: 520523 area a, floor 3, building a, No. 2, square road, Liancheng community, Qiaotou town, Dongguan City, Guangdong Province Patentee before: DONGGUAN TUOFENG ELECTRON TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240709 Address after: 245600 Electronic Industrial Park, economic development zone, Qishan Town, Qimen County, Huangshan City, Anhui Province Patentee after: Anhui Great Electronics Co.,Ltd. Country or region after: China Address before: 516199 No. 2, West Zone, Yiheng North Road, JiuTan Heyi renewable resources industrial zone, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Patentee before: Guangdong Tuofeng Electronic Technology Co.,Ltd. Country or region before: China |