CN220710233U - Fuse with break indication function - Google Patents
Fuse with break indication function Download PDFInfo
- Publication number
- CN220710233U CN220710233U CN202322407742.3U CN202322407742U CN220710233U CN 220710233 U CN220710233 U CN 220710233U CN 202322407742 U CN202322407742 U CN 202322407742U CN 220710233 U CN220710233 U CN 220710233U
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- CN
- China
- Prior art keywords
- handle
- fuse
- circuit board
- indication
- fuse tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012634 fragment Substances 0.000 claims 1
- 230000004308 accommodation Effects 0.000 description 6
- 239000000155 melt Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model relates to a fuse with a band-pass breaking indication function, which comprises a shell, a fuse tube assembly arranged in the shell, two wiring terminals arranged in the shell, and two conductive clamps respectively connected with the two wiring terminals, wherein the fuse tube assembly comprises a handle and a fuse tube, two conductive barrels in contact with the two conductive clamps are arranged at two ends of the fuse tube, an on-off indication assembly is arranged in the handle, the on-off indication assembly comprises an indication circuit board arranged in the handle, an indication lamp arranged on the indication circuit board, and a transparent indication board arranged on the handle corresponding to the indication lamp, and two contact spring pieces in contact with the two conductive barrels of the fuse tube are arranged on the indication circuit board. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly and bandpass indication function.
Description
Technical Field
The utility model relates to a fuse, in particular to a fuse with a broken indication function.
Background
The fuse is an electric appliance which fuses a melt by heat generated by the fuse when a current exceeds a predetermined value to open a circuit. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so that the circuit is disconnected; a current protector is made by applying the principle. The fuse is widely applied to high-low voltage distribution systems, control systems and electric equipment, is used as a protector for short circuit and overcurrent, and is one of the most common protection devices. The existing fuse has no on-off indication function, so that a user cannot intuitively and timely know the working state of the fuse, and the operation of the user is inconvenient. The fuse has the defects of complex structure, inconvenient assembly and unreliable performance.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the fuse with the band-pass fault indication function, which has the advantages of simple structure, stable and reliable performance and convenience in assembly.
In order to achieve the purpose, the fuse with the function of breaking indication is adopted by the utility model, and comprises a shell, a fuse tube assembly arranged in the shell, two wiring terminals arranged in the shell, and two conductive clips respectively connected with the two wiring terminals, wherein the fuse tube assembly comprises a handle arranged on the shell and a fuse tube arranged on the handle, two conductive barrels contacted with the two conductive clips are arranged at two ends of the fuse tube, an on-off indication assembly is arranged in the handle, the on-off indication assembly comprises an indication circuit board arranged in the handle, an indication lamp arranged on the indication circuit board, and a transparent indication board arranged on the handle corresponding to the indication lamp, and two contact spring plates contacted with the two conductive barrels of the fuse tube are arranged on the indication circuit board.
The beneficial effects of the structure are as follows: the on-off indicating assembly is arranged in the handle, the indicating lamp on the indicating circuit board can indicate the working state of the fuse tube in an on-off mode, and a user can intuitively and timely know the working state of the fuse tube, so that the fuse tube is convenient for the user to use. And the on-off indication assembly adopts a modularized structural design, so that the on-off indication assembly and the handle are convenient to assemble, and the assembly is more convenient. Therefore, the fuse has the advantages of simple structure, stable and reliable performance, convenient assembly and bandpass indication function.
Specifically, one end of each of the two contact spring plates is inserted into the indicating circuit board, and the other end of each of the two contact spring plates is provided with a cambered surface protruding part which is respectively abutted against the two electric conduction tubes of the fuse tube. The cambered surface protruding part on the contact spring plate can be reliably abutted against the electric conduction pipe of the fuse tube, so that the contact between the two contact spring plates and the fuse tube can be ensured to be more reliable.
Particularly, the handle on be provided with the accommodation groove that is used for placing the instruction circuit board, the instruction circuit board set up in the accommodation groove, the opening of accommodation groove on be provided with the apron of conflict on the instruction circuit board, and constitute the spacing cooperation of apron and instruction circuit board. The indicating circuit board is arranged in the accommodating groove, so that the assembly of the indicating circuit board and the handle is facilitated, the cover plate can prevent the indicating circuit board from falling off from the accommodating groove of the handle, and the structural design is more compact.
Particularly, two hooks are symmetrically arranged on one side of the cover plate, clamping holes matched with the two hooks are respectively formed in the handle, the two hooks are respectively inserted into the accommodating groove and clamped in the clamping holes, and the cover plate is matched with the handle in a clamping way. The cover plate and the handle are assembled in a clamping mode, so that the cover plate and the handle are convenient to assemble, and the assembly efficiency is higher.
Specifically, one end of the conductive clip is provided with two cambered surface clamping pieces which are symmetrically distributed, the outer walls of the two cambered surface clamping pieces are provided with springs, the two cambered surface clamping pieces are clamped on the conductive torch of the fuse tube, and the other end of the conductive clip is provided with a conductive piece clamped on the wiring terminal. The spring can increase the clamping force of the two cambered surface clamping pieces to the conductive torch, can improve the reliability of the conductive clamp and the fuse tube, and the conductive piece of the conductive clamp is clamped on the wiring terminal, so that the conductive clamp and the wiring terminal are convenient to assemble, and the assembly efficiency is higher.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is a cross-sectional view of an embodiment of the present utility model.
Fig. 4 is a perspective view of an on-off indication assembly according to an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the present utility model is a fuse with a function of indicating disconnection, which includes a housing 10, a fuse tube assembly 20 disposed in the housing 10, two connection terminals 11 disposed in the housing 10, and two conductive clips 12 respectively connected to the two connection terminals 11, the fuse tube assembly 20 includes a handle 21 disposed on the housing 10, and a fuse tube 22 disposed on the handle 21, two conductive barrels 221 contacting the two conductive clips 12 are disposed at two ends of the fuse tube 22, an on-off indication assembly 30 is disposed in the handle 21, the on-off indication assembly 30 includes an indication circuit board 31 disposed in the handle 21, an indication lamp 32 disposed on the indication circuit board 31, and a transparent indication board 33 disposed on the handle 21 corresponding to the indication lamp 32, and two contact spring plates 34 contacting the two conductive barrels 221 of the fuse tube 22 are disposed on the indication circuit board 31. One ends of the two contact spring plates 34 are respectively inserted into the indication circuit board 31, and the other ends of the two contact spring plates 34 are respectively provided with cambered surface protruding parts 341 which are respectively abutted against the two conductive cylinders 221 of the fuse tube 22. The cambered surface protruding part on the contact spring plate can be reliably abutted against the electric conduction pipe of the fuse tube, so that the contact between the two contact spring plates and the fuse tube can be ensured to be more reliable. The handle 21 on be provided with the accommodation groove 211 that is used for placing instruction circuit board 31, instruction circuit board 31 set up in accommodation groove 211, the opening of accommodation groove 211 on be provided with the apron 23 of conflict on instruction circuit board 31, and constitute the spacing cooperation of apron 23 and instruction circuit board 31. The indicating circuit board is arranged in the accommodating groove, so that the assembly of the indicating circuit board and the handle is facilitated, the cover plate can prevent the indicating circuit board from falling off from the accommodating groove of the handle, and the structural design is more compact. Two clamping hooks 231 are symmetrically arranged on one side of the cover plate 23, clamping holes 212 matched with the two clamping hooks 231 are respectively arranged on the handle 21, the two clamping hooks 212 are respectively inserted into the accommodating groove 211 and clamped in the clamping holes 212, and the cover plate 23 is matched with the handle 21 in a clamping way. The cover plate and the handle are assembled in a clamping mode, so that the cover plate and the handle are convenient to assemble, and the assembly efficiency is higher.
As shown in fig. 2 and 3, one end of the conductive clip 12 has two arc-shaped clamping pieces 121 symmetrically distributed, a spring 13 is disposed on the outer wall of the two arc-shaped clamping pieces 121, the two arc-shaped clamping pieces 121 are clamped on a conductive tube 221 of the fuse tube 22, and the other end of the conductive clip 12 has a conductive piece 122 clamped on the connecting terminal 11. The spring can increase the clamping force of the two cambered surface clamping pieces to the conductive torch, can improve the reliability of the conductive clamp and the fuse tube, and the conductive piece of the conductive clamp is clamped on the wiring terminal, so that the conductive clamp and the wiring terminal are convenient to assemble, and the assembly efficiency is higher.
The on-off indicating assembly is arranged in the handle, the indicating lamp on the indicating circuit board can indicate the working state of the fuse tube in an on-off mode, and a user can intuitively and timely know the working state of the fuse tube, so that the fuse tube is convenient for the user to use. And the on-off indication assembly adopts a modularized structural design, so that the on-off indication assembly and the handle are convenient to assemble, and the assembly is more convenient. Therefore, the fuse has the advantages of simple structure, stable and reliable performance, convenient assembly and bandpass indication function.
Claims (5)
1. The utility model provides a fuse of band-pass instruction function of breaking, includes the casing, sets up the fuse tube subassembly in the casing, sets up two binding post in the casing, two electrically conductive clamp that are connected with two binding post respectively, its characterized in that: the fuse tube assembly include the handle of setting on the casing, set up the fuse tube on the handle, the fuse tube both ends have two conductive cylinder that contact with two conductive clips, the handle in be provided with the break-make indicating assembly, the break-make indicating assembly including setting up the instruction circuit board in the handle, setting up pilot lamp on the instruction circuit board, correspond the transparent indicator board that pilot lamp department set up on the handle, the instruction circuit board on be provided with two contact shell fragments that contact with two conductive cylinder of fuse tube.
2. The fuse with a breakage indication function according to claim 1, wherein: one ends of the two contact spring plates are respectively inserted on the indication circuit board, and the other ends of the two contact spring plates are provided with cambered surface protruding parts which respectively abut against the two electric conduction tubes of the fuse tube.
3. The fuse with a breakage indication function according to claim 1 or 2, characterized in that: the handle on be provided with the storage tank that is used for placing the instruction circuit board, the instruction circuit board set up in the storage tank, the opening of storage tank on be provided with the apron of conflict on the instruction circuit board, and constitute the spacing cooperation of apron and instruction circuit board.
4. A fuse with a breakage indication function according to claim 3, wherein: two clamping hooks are symmetrically arranged on one side of the cover plate, clamping holes matched with the two clamping hooks are respectively formed in the handle, the two clamping hooks are respectively inserted into the accommodating groove and clamped in the clamping holes, and the cover plate is matched with the handle in a clamping manner.
5. The fuse with a breakage indication function according to claim 1 or 2, characterized in that: the electric conduction clamp is characterized in that one end of the electric conduction clamp is provided with two cambered surface clamping pieces which are symmetrically distributed, a spring is arranged on the outer wall of each cambered surface clamping piece, the two cambered surface clamping pieces are clamped on the electric conduction pipe of the fusing pipe, and the other end of the electric conduction clamp is provided with an electric conduction piece clamped on the wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407742.3U CN220710233U (en) | 2023-09-05 | 2023-09-05 | Fuse with break indication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407742.3U CN220710233U (en) | 2023-09-05 | 2023-09-05 | Fuse with break indication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220710233U true CN220710233U (en) | 2024-04-02 |
Family
ID=90440900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322407742.3U Active CN220710233U (en) | 2023-09-05 | 2023-09-05 | Fuse with break indication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220710233U (en) |
-
2023
- 2023-09-05 CN CN202322407742.3U patent/CN220710233U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |