CN220984465U - Direct current fuse convenient to trade core - Google Patents
Direct current fuse convenient to trade core Download PDFInfo
- Publication number
- CN220984465U CN220984465U CN202322646280.0U CN202322646280U CN220984465U CN 220984465 U CN220984465 U CN 220984465U CN 202322646280 U CN202322646280 U CN 202322646280U CN 220984465 U CN220984465 U CN 220984465U
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- CN
- China
- Prior art keywords
- core
- chip
- terminal
- movable frame
- clamping
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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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Links
- 238000002844 melting Methods 0.000 claims abstract description 35
- 230000008018 melting Effects 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model discloses a direct current fuse convenient for replacing a core, which is provided with an outer shell, wherein one end of the outer shell is provided with a wire inlet terminal, and the other end of the outer shell is provided with a wire outlet terminal, and the direct current fuse is characterized in that: the utility model discloses a novel energy-saving device for the electric energy-saving device, including shell body, movable frame, arc piece, bar groove, arc piece and bar groove, be provided with the movable frame in the shell body, have on the movable frame and melt core portion of placing, melt core portion of placing has placed in the melting core portion, the extension is provided with the finger support portion that extends in the shell body on the movable frame, one side evagination of movable frame is provided with the arc piece, the arc groove that supplies the arc piece card to go into is seted up to the shell body inboard the top intercommunication in arc groove is provided with the bar groove, the arc piece can rotate or remove in the bar inslot in the arc groove. The utility model has simple structure and reasonable design, can conveniently realize the replacement of the melting core without detaching the outer shell, saves time and labor, and can effectively improve the use experience of users.
Description
Technical Field
The utility model relates to safe electric equipment, in particular to a direct current fuse convenient for core replacement.
Background
The direct current fuse is a safe electric device connected to the electric wire. The working principle of the direct current fuse is that when the current in a circuit is overlarge, the internal fuse core of the direct current fuse is blown, the circuit is disconnected, the electricity safety is guaranteed, after the circuit is overhauled, a new fuse core needs to be replaced by the blown fuse core, when the fuse core is replaced, the traditional direct current fuse is usually required to be detached from the outer shell of the fuse, then the fuse core is replaced, the replacement operation is very complicated, and the use experience of a user is poor.
Disclosure of utility model
In view of the shortcomings of the background art, the technical problem to be solved by the utility model is to provide a direct current fuse which is used for solving the problems and is convenient to replace a core.
For this purpose, the utility model is realized by adopting the following scheme:
The utility model provides a direct current fuse convenient to trade core has the shell body the one end of shell body is provided with incoming line terminal, and the other end is provided with outgoing line terminal, its characterized in that: the utility model discloses a novel energy-saving device for the electric energy-saving device, including shell body, movable frame, arc piece, bar groove, arc piece and bar groove, be provided with the movable frame in the shell body, have on the movable frame and melt core portion of placing, melt core portion of placing has placed in the melting core portion, the extension is provided with the finger support portion that extends in the shell body on the movable frame, one side evagination of movable frame is provided with the arc piece, the arc groove that supplies the arc piece card to go into is seted up to the shell body inboard the top intercommunication in arc groove is provided with the bar groove, the arc piece can rotate or remove in the bar inslot in the arc groove.
The movable frame and the melting core placing part are of an integrated structure.
The wire inlet terminal is connected with the first sandwich terminal, the first sandwich terminal is provided with a first sandwich chip and a second sandwich chip, the first sandwich chip and the second sandwich chip can clamp one end of the melting core, the wire outlet terminal is connected with the second sandwich terminal, the second sandwich terminal is provided with a third sandwich chip and a fourth sandwich chip, and the third sandwich chip and the fourth sandwich chip can clamp the other end of the melting core.
The clamping device comprises a first clamping arm, a second clamping arm and a third clamping chip, wherein the first clamping arm is tightly pressed against the outer side wall of the first clamping chip, the second clamping arm is tightly pressed against the outer side wall of the second clamping chip, the third clamping chip is tightly pressed against the outer side wall of the third clamping chip, and the fourth clamping chip is tightly pressed against the outer side wall of the fourth clamping chip.
The movable frame is provided with a placing cavity, and an elastic pressing sheet capable of tightly pressing the melting core is arranged in the placing cavity.
The direct current fuse convenient for replacing the core has the advantages of simple structure, reasonable design and capability of realizing large-scale production; through placing the portion with melting core and setting up on the movable frame to set up the arc piece on the movable frame, and set up arc wall and bar groove in the shell body, make the movable frame can drive the portion of placing the melting core and swing and lift removal, make the business turn over end of placing the portion with melting core can be upwards and the local outer shell body that extends outward, and then conveniently change the melting core, whole process only need pull finger support portion and mention the movable frame can, the operation is very simple, and need not dismantle the shell body, effectively promote the user experience of the change melting core.
Drawings
The utility model has the following drawings:
FIG. 1 is an external construction diagram of the present utility model;
FIG. 2 is a view of FIG. 1 with the outer housing removed;
fig. 3 is a view showing the construction of the inner side of one of the outer shells according to the present utility model.
Detailed Description
As shown in the figure, the direct current fuse convenient for replacing the core disclosed by the utility model is provided with the outer shell 1, one end of the outer shell 1 is provided with the wire inlet terminal 7, the other end of the outer shell 1 is provided with the wire outlet terminal 15, the outer shell 1 is internally provided with the movable frame 3, the movable frame 3 is provided with the core placing part 12, and the movable frame 3 and the core placing part 12 are of an integrated structure, so that the direct current fuse is convenient to produce and process. The melting core 6 is placed in the melting core placing part 12, the finger support part 2 extending outwards from the outer shell body 1 is arranged on the movable frame 3 in an extending mode, the arc-shaped block 4 is arranged on one side of the movable frame 3 in an outwards protruding mode, the arc-shaped groove 19 for clamping the arc-shaped block 4 is formed in the inner side of the outer shell body 1, the strip-shaped groove 20 is arranged on the top of the arc-shaped groove 19 in a communicating mode, and the arc-shaped block 4 can rotate in the arc-shaped groove 19 or move in the strip-shaped groove 20. Further, the wire inlet terminal 7 is connected with the first core terminal 8, the first core terminal is provided with a first core clamping chip 9 and a second core clamping chip 11, the first core clamping chip and the second core clamping chip can clamp one end of the melting core 6, the wire outlet terminal 15 is connected with the second core clamping terminal 16, the second core clamping terminal is provided with a third core clamping chip 13 and a fourth core clamping chip 17, and the third core clamping chip and the fourth core clamping chip can clamp the other end of the melting core 6. Through setting up first, second sandwich terminal can guarantee after melting core 6 changes and send back the inside of fuse, it can be stably with inlet wire terminal and outlet wire terminal electric connection. The fuse core clamping device further comprises a first U-shaped clamping arm 10 and a second U-shaped clamping arm 14, wherein one end of the first U-shaped clamping arm 10 is tightly pressed against the outer side wall of the first fuse core 9, the other end of the first U-shaped clamping arm is tightly pressed against the outer side wall of the second fuse core 11, one end of the second U-shaped clamping arm 14 is tightly pressed against the outer side wall of the third fuse core 13, and the other end of the second U-shaped clamping arm is tightly pressed against the outer side wall of the fourth fuse core 17, so that the first and second fuse core terminals can stably clamp the two ends of the fuse core 6. The movable frame 3 is provided with a placing cavity 18, and an elastic pressing sheet 5 capable of tightly pressing the melting core 6 is arranged in the placing cavity 18, so that extrusion acting force can be applied to the melting core 6, and the position of the melting core 6 after being placed in the melting core placing part 12 is ensured not to deviate.
The working principle of the utility model is as follows: when the melting core 6 needs to be replaced, the finger support part 2 is pulled firstly, the arc-shaped block 4 on the movable frame 2 is located in the arc-shaped groove 19, the arc-shaped groove 19 can provide a rotating support for the arc-shaped block 4, the movable frame 3 and the melting core placing part 12 can be driven to swing, the melting core placing part is changed into an upward inclined angle from the transverse direction, then an upward acting force is applied to the finger support part 2, the arc-shaped block 4 can be driven to move in the strip-shaped groove 20, the movable frame 3 and the melting core placing part 12 are driven to be lifted to a certain height, the melting core placing part 12 is exposed out of the outer shell body 1 more, the finger can penetrate into the melting core placing part 12 more conveniently to take out the blown melting core, the new melting core is placed into the melting core placing part 12, then the finger support part 2 is loosened, the movable frame 3 naturally falls until the arc-shaped part 4 is supported by the arc-shaped groove 19, then the finger support part 2 is pressed, the movable frame 3 is driven to swing, and then the melting core 6 can be driven to swing to the position, the first terminal and the second terminal is connected with the second terminal, and the wire outlet terminal is connected with the first terminal and the second terminal is clamped by the second terminal, and the wire is replaced, and the wire is connected with the first terminal and the second terminal is connected with the terminal, and the terminal is replaced.
According to the structure, the molten core placing part is arranged on the movable frame, the arc-shaped blocks are arranged on the movable frame, and the arc-shaped grooves and the strip-shaped grooves are arranged in the outer shell, so that the movable frame can drive the molten core placing part to swing and lift, the inlet end and the outlet end of the molten core placing part can upwards and partially extend out of the outer shell, the molten core can be replaced conveniently, the whole process only needs to pull the finger rest part and lift the movable frame, the operation is very simple, the outer shell is not required to be disassembled and assembled, and the use experience of a user for replacing the molten core is effectively improved.
Claims (5)
1. Direct current fuse convenient to trade core has shell body (1) the one end of shell body (1) is provided with incoming wire terminal (7), and the other end is provided with outgoing wire terminal (15), its characterized in that: be provided with adjustable shelf (3) in shell body (1), have on adjustable shelf (3) and melt core portion (12) of placing, melt core portion (6) have been placed in melting core portion (12), extension is provided with on adjustable shelf (3) and extends in finger support portion (2) of shell body (1), one side evagination of adjustable shelf (3) is provided with arc piece (4) outward, arc groove (19) that supply arc piece (4) card to go into are seted up to shell body (1) inboard arc groove (19) are provided with bar groove (20) in the top intercommunication ground, arc piece (4) can rotate in arc groove (19) or remove in bar groove (20).
2. The direct current fuse convenient for replacing a core according to claim 1, wherein the movable frame (3) and the core placing part (12) are integrally formed.
3. The direct current fuse convenient for replacing a core according to claim 1, characterized in that the wire inlet terminal (7) is connected with a first core clamping terminal (8), the first core clamping terminal is provided with a first core clamping chip (9) and a second core clamping chip (11), one end of the melting core (6) can be clamped by the first core clamping chip and the second core clamping chip, the wire outlet terminal (15) is connected with a second core clamping terminal (16), the second core clamping terminal is provided with a third core clamping chip (13) and a fourth core clamping chip (17), and the other end of the melting core (6) can be clamped by the third core clamping chip and the fourth core clamping chip.
4. A dc fuse facilitating replacement of a core according to claim 3, further comprising a first U-shaped clamping arm (10) and a second U-shaped clamping arm (14), wherein one end of the first U-shaped clamping arm (10) is pressed against the outer side wall of the first chip (9), the other end is pressed against the outer side wall of the second chip (11), and one end of the second U-shaped clamping arm (14) is pressed against the outer side wall of the third chip (13), and the other end is pressed against the outer side wall of the fourth chip (17).
5. The direct current fuse convenient for replacing the core according to claim 1, wherein the movable frame (3) is provided with a placing cavity (18), and an elastic pressing sheet (5) capable of pressing the melting core (6) is arranged in the placing cavity (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322646280.0U CN220984465U (en) | 2023-09-28 | 2023-09-28 | Direct current fuse convenient to trade core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322646280.0U CN220984465U (en) | 2023-09-28 | 2023-09-28 | Direct current fuse convenient to trade core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984465U true CN220984465U (en) | 2024-05-17 |
Family
ID=91042233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322646280.0U Active CN220984465U (en) | 2023-09-28 | 2023-09-28 | Direct current fuse convenient to trade core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984465U (en) |
-
2023
- 2023-09-28 CN CN202322646280.0U patent/CN220984465U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |