CN220585176U - Overheat fusing device of electric machinery - Google Patents
Overheat fusing device of electric machinery Download PDFInfo
- Publication number
- CN220585176U CN220585176U CN202321510695.9U CN202321510695U CN220585176U CN 220585176 U CN220585176 U CN 220585176U CN 202321510695 U CN202321510695 U CN 202321510695U CN 220585176 U CN220585176 U CN 220585176U
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- Prior art keywords
- insulating shell
- fuse
- lower insulating
- overheat
- upper insulating
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- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model provides an overheat fusing device of an electric machine, and relates to the technical field of fuses; the upper insulating shell is arranged above the overheat fusing device, an upper insulating shell wire connector is arranged on the side edge of the upper insulating shell, a lower insulating shell is arranged on the lower portion of the overheat fusing device, a lower insulating shell wire connector is arranged on one side of the lower insulating shell, the upper insulating shell and the lower insulating shell are connected through a pin shaft, a reset spring is arranged on one side of the lower insulating shell, a spare fuse mounting groove is formed in the inner side of the lower insulating shell, a spare fuse is mounted in the spare fuse mounting groove, fuse mounting grooves are formed in the side edges of the upper insulating shell and the lower insulating shell, and a metal base is arranged at the bottom of the lower insulating shell; according to the overheat fusing device, the fuse is tensioned, and the protective circuit is automatically sprung off after the fuse is fused, so that the overheat fusing device does not generate short circuit, has a good protective effect, and is simple and convenient in fuse replacement step.
Description
Technical Field
The utility model relates to the technical field of fuses, in particular to an overheat fusing device of an electric machine.
Background
The fuse is an overload power-off protection device used on a large-scale electric appliance, a common fuse is installed by solidification, when overload power-off protection is triggered, the fuse tube is difficult to detach and replace, larger operation force is needed in the spring type over-position fixing operation process, and the fuse is installed at a high place due to the exposed characteristic of the fuse, so that the operation difficulty is further increased, and the fuse for the electric machinery is convenient to disassemble and assemble.
The utility model discloses a fuse for an electric machine, which is convenient to disassemble and assemble, and comprises an insulator and a mounting rack, wherein the upper end and the lower end of the insulator are fixedly provided with first screws, one end of a bracket is fixedly provided with the first screws, the other end of the bracket is fixedly provided with a fixed ring frame, and two fixed ring frames are respectively clamped at two ends of a fuse tube; foretell a fuse for electrical machinery convenient to dismouting passes through the mode of opening of tension ring for the cartridge fuse is easier, whole dismantlement change process convenient and fast, through tension ring inner structure and fuse tube end structure simultaneously, can guarantee the stability of connection, guarantees the unobstructed of circuit.
The fuse for the electrical machinery, which is convenient to disassemble and assemble, has some defects: the fuse protector for the electrical machinery is too long and narrow, and the fusing process is longer under the influence of gravity, so that the effect of cutting off the power supply at the moment of short circuit cannot be met, and the electrical equipment is damaged.
Disclosure of Invention
The utility model aims to provide an overheat fusing device of an electric machine, which is used for solving the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an electric machine's overheated fuse device, overheated fuse device top is equipped with upper insulating shell, upper insulating shell side is equipped with upper insulating shell wire interface, overheated fuse device lower part is equipped with the insulating shell of lower floor, insulating shell one side of lower floor is equipped with insulating shell wire interface of lower floor, upper insulating shell passes through round pin axle interconnect with insulating shell of lower floor, insulating shell one side of lower floor is equipped with reset spring, insulating shell inboard of lower floor is equipped with reserve fuse mounting groove, install reserve fuse in the reserve fuse mounting groove, upper insulating shell and insulating shell side of lower floor are equipped with the fuse mounting groove, insulating shell bottom of lower floor is equipped with the metal base.
As a further technical scheme of the utility model, the upper insulating shell is arranged above the overheat fusing device and is of an arch structure with an arched middle part, the wire interface of the upper insulating shell is arranged on one side of the upper insulating shell far away from the pin shaft, the lower insulating shell is arranged on the lower part of the overheat fusing device and is of a concave middle part, and the wire interface of the lower insulating shell is arranged on one side of the lower insulating shell.
As a further technical scheme of the utility model, the pin shaft is connected with the upper insulating shell and the lower insulating shell.
As a further technical scheme of the utility model, the reset spring is arranged on one side of the lower insulating shell, and the bottom of the reset spring is connected with the lower insulating shell.
As a further technical scheme of the utility model, the spare fuse mounting groove is arranged on the inner side of the lower insulating shell, and the spare fuse is mounted in the spare fuse mounting groove.
As a further technical scheme of the utility model, the fuse mounting groove is arranged on the side edges of the upper insulating shell and the lower insulating shell and is of a through-long concave structure, and the metal base is mounted at the bottom of the lower insulating shell.
Compared with the prior art, the utility model has the beneficial effects that:
according to the overheat fusing device of the electric machine, the upper insulating shell and the lower insulating shell are subjected to the mutually separated tensile force, so that the fuse part always keeps the tensile force effect during operation, when the electric equipment is in short circuit, the fuse starts to fuse, the power supply is rapidly disconnected and cut off under the tensile force effect, meanwhile, the generation of electric arcs is avoided, and the safety of the electric appliance can be effectively protected.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic view of a fuse structure of the present utility model;
in the figure: 1. an overheat fusing device; 2. an upper insulating case; 201. a lower insulating case; 3. a pin shaft; 301. a return spring; 4. a fuse; 401. a lower insulating shell wire interface; 402. an upper insulating shell wire interface; 403. a spare fuse; 404. a fuse mounting groove; 405. a spare fuse mounting slot; 5. a metal base; 6. the fuse is blown.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
The drawings in the embodiments of the utility model: the different kinds of cross-sectional lines in the drawings are not marked according to national standards, and the material of the elements is not required, so that the cross-sectional views of the elements in the drawings are distinguished.
Referring to fig. 1-3, an overheat fusing device for an electrical machine, an upper insulating case 2 is disposed above the overheat fusing device 1, an upper insulating case wire connector 402 is disposed on a side edge of the upper insulating case 2, a lower insulating case 201 is disposed at a lower portion of the overheat fusing device 1, a lower insulating case wire connector 401 is disposed on one side of the lower insulating case 201, the upper insulating case 2 and the lower insulating case 201 are connected to each other through a pin 3, a reset spring 301 is disposed on one side of the lower insulating case 201, a spare fuse mounting groove 405 is disposed on an inner side of the lower insulating case 201, a spare fuse 403 is mounted in the spare fuse mounting groove 405, fuse mounting grooves 404 are disposed on sides of the upper insulating case 2 and the lower insulating case 201, and a metal base 5 is disposed at a bottom of the lower insulating case 201.
The upper insulating shell 2 and the lower insulating shell 201 are in arch-shaped and inverted arch-shaped structures, so that arc effect can be avoided under the condition of overload current of electric equipment, electric appliances can be protected from being damaged by overload current when the fuse 4 is fused, the bottom end of the reset spring 301 is connected with the lower insulating shell 201, the upper end of the reset spring is contacted with the upper insulating shell 2, the upper insulating shell 2 is required to be pressed down when the fuse 4 is installed, downward pressure is applied to the reset spring 301, and upward thrust is applied to the upper insulating shell 2 by the reset spring 301 after the installation is completed, namely, the tension applied to the fuse 4.
When the fuse is used, the upper insulating shell 2 is pressed downwards to a preset position, at the moment, the reset spring 301 is contracted to generate reset thrust, then the fuse 4 is inserted into the fuse mounting groove 404 arranged on the side edges of the upper insulating shell 2 and the lower insulating shell 201, at the moment, the thrust of the reset spring 301 is transmitted to the fuse 4, tension is generated at two ends of the fuse 4, then an electric wire is connected into the lower insulating shell wire interface 401 and the upper insulating shell wire interface 402, so that the fuse 4 starts to work, when an electric appliance is subjected to short-circuit transient current increase, at the moment, the fuse 4 is heated to start fusing, the fuse 4 is instantaneously broken under the action of the tension of the upper insulating shell 2, the effect of instantaneously cutting off a power supply is achieved, and when the fuse is reset, the spare fuse 403 arranged in the spare fuse mounting groove 405 is taken out and is arranged in the fuse mounting groove 404, and the replacement of the fuse 4 can be completed.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (6)
1. An overheat fusing device of an electrical machine, characterized in that: the overheat fuse device is characterized in that an upper insulating shell (2) is arranged above the overheat fuse device (1), an upper insulating shell wire interface (402) is arranged on the side edge of the upper insulating shell (2), a lower insulating shell (201) is arranged on the lower portion of the overheat fuse device (1), a lower insulating shell wire interface (401) is arranged on one side of the lower insulating shell (201), the upper insulating shell (2) and the lower insulating shell (201) are connected with each other through a pin shaft (3), a reset spring (301) is arranged on one side of the lower insulating shell (201), a standby fuse mounting groove (405) is formed in the inner side of the lower insulating shell (201), a standby fuse (403) is arranged in the standby fuse mounting groove (405), and a metal base (5) is arranged on the bottom of the lower insulating shell (201).
2. An electrical mechanical overheat fuse assembly as claimed in claim 1, wherein: the upper insulating shell (2) is arranged above the overheat fuse device (1) and is of an arch structure with an arch in the middle, the upper insulating shell wire interface (402) is arranged on one side, far away from the pin shaft (3), of the upper insulating shell (2), the lower insulating shell (201) is arranged on the lower portion of the overheat fuse device (1) and is of a middle concave structure, and the lower insulating shell wire interface (401) is arranged on one side of the lower insulating shell (201).
3. An electrical mechanical overheat fuse assembly as claimed in claim 1, wherein: the pin shaft (3) is connected with the upper insulating shell (2) and the lower insulating shell (201).
4. An electrical mechanical overheat fuse assembly as claimed in claim 1, wherein: the return spring (301) is mounted on one side of the lower insulating shell (201), and the bottom of the return spring is connected with the lower insulating shell (201).
5. An electrical mechanical overheat fuse assembly as claimed in claim 1, wherein: the spare fuse mounting groove (405) is arranged on the inner side of the lower insulating shell (201), and the spare fuse (403) is mounted in the spare fuse mounting groove (405).
6. An electrical mechanical overheat fuse assembly as claimed in claim 1, wherein: the fuse mounting groove (404) is arranged on the side edges of the upper insulating shell (2) and the lower insulating shell (201), and is of a through-long concave structure, and the metal base (5) is mounted at the bottom of the lower insulating shell (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510695.9U CN220585176U (en) | 2023-06-14 | 2023-06-14 | Overheat fusing device of electric machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510695.9U CN220585176U (en) | 2023-06-14 | 2023-06-14 | Overheat fusing device of electric machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220585176U true CN220585176U (en) | 2024-03-12 |
Family
ID=90121843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321510695.9U Active CN220585176U (en) | 2023-06-14 | 2023-06-14 | Overheat fusing device of electric machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220585176U (en) |
-
2023
- 2023-06-14 CN CN202321510695.9U patent/CN220585176U/en active Active
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