CN213936105U - Fuse protector - Google Patents
Fuse protector Download PDFInfo
- Publication number
- CN213936105U CN213936105U CN202120187378.2U CN202120187378U CN213936105U CN 213936105 U CN213936105 U CN 213936105U CN 202120187378 U CN202120187378 U CN 202120187378U CN 213936105 U CN213936105 U CN 213936105U
- Authority
- CN
- China
- Prior art keywords
- fuse
- pull rod
- backup pad
- link
- support
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000001012 protector Effects 0.000 title description 4
- 239000000155 melt Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 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, a housing, two sets of conductive component, the fuse-link, conductive component includes the support, the pull rod, a supporting plate, the wiring board, one of pull rod serves and is provided with the knob that exposes outside the casing, pull rod threaded connection is on the support, and the other end block of pull rod is in the backup pad, and constitute the linkage cooperation of pull rod and backup pad, all be provided with two current conducting plates on the both ends of fuse-link, be provided with the draw-in groove on two current conducting plates, the draw-in groove block is in the backup pad, and constitute the joint cooperation of current conducting plate and backup pad, one of backup pad serves and is provided with the round pin axle, and the round pin axle is contradicted on one side of support, and the round pin axle is along with the backup pad action and can drive the support action, be provided with spacing gasket on the other end of backup pad, and be formed with the centre gripping chamber that is used for centre gripping current conducting plate between spacing gasket and the support. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly.
Description
Technical Field
The utility model particularly relates to a fuse.
Background
The fuse is an electric appliance which fuses a melt by heat generated by itself to open a circuit when a current exceeds a predetermined value. 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 as to cut off the circuit; a current protector is made by applying the principle. The fuse is widely applied to high and low voltage distribution systems, control systems and electric equipment, and is one of the most commonly applied protection devices as a short circuit and overcurrent protector. The existing fuse has the defects of unreasonable structural design, complex structure, unreliable performance and inconvenient assembly.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the convenient fuse of assembly.
In order to achieve the above purpose, the utility model adopts a fuse, a housing, two sets of conductive components symmetrically arranged in the housing, and a fuse link arranged between the two sets of conductive components, wherein the conductive components comprise a bracket, a pull rod rotatably arranged on the housing, a support plate which is in linkage fit with the pull rod and is connected with the fuse link, and a wiring board which is arranged in the housing and is connected with the support plate, one end of the pull rod is provided with a knob exposed outside the housing, the pull rod is in threaded connection with the bracket, the other end of the pull rod is clamped on the support plate and forms linkage fit with the support plate, two conductive plates are arranged on both ends of the fuse link, clamping grooves are arranged on the two conductive plates, the clamping grooves are clamped on the support plate and form clamping fit with the support plate, one end of the support plate is provided with a pin shaft, and the pin shaft is abutted against one side of the support, acts along with the support plate and can drive the support to act, the other end of the support plate is provided with a limiting gasket, and a clamping cavity for clamping the current-conducting plate is formed between the limiting gasket and the support.
The beneficial effect of above-mentioned structure is: the fuse-link clamps between two sets of conductive component to be convenient for fuse and conductive component's assembly, the fuse-link clamps in the backup pad, and assembly efficiency is higher, and when the assembly, rotates the knob on the pull rod, and the round pin axle on the pull rod drives the support action, and support, spacing gasket can compress tightly the current conducting plate of fuse-link in the backup pad, thereby this fuse has simple structure, dependable performance stabilization, the convenient advantage of assembly.
Particularly, one end of the wiring board is provided with a U-shaped groove, the U-shaped groove is clamped on the supporting plate, the two current conducting plates of the fuse link are respectively attached to two sides of the wiring board, the other end of the wiring board is provided with a wiring portion, and a wiring bolt is arranged on the wiring portion. The wiring board is connected with the supporting plate in a clamping matching mode, so that the wiring board and the supporting plate are convenient to assemble, and the two current conducting plates of the fuse link are respectively attached to the two sides of the wiring board, so that the fuse link can be ensured to be more reliable in contact with the wiring board, and the improvement of the working reliability of the fuse link is facilitated.
Particularly, the wiring portion department that corresponds the wiring board in the casing be provided with the spacing groove, wiring portion block in the spacing inslot, and constitute the joint cooperation of wiring board and casing. The wiring board and the shell are assembled in a clamping matching mode, so that the wiring board and the shell are convenient to assemble, and the assembly efficiency of the fuse is improved.
Particularly, the shell is provided with a wire outlet hole corresponding to the wiring boards of the two groups of conductive components, and a rubber sleeve is arranged in the wire outlet hole. The rubber sleeve is arranged in the wire outlet hole of the shell, so that the protection performance of the fuse is improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a perspective view of a conductive assembly according to an embodiment of the present invention.
Fig. 4 is a perspective view of a fuse link according to an embodiment of the present invention.
Fig. 5 is a perspective view of a wiring board according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-5, an embodiment of the present invention is a fuse, which includes a housing 10, two sets of conductive components 20 symmetrically disposed in the housing 10, and a fuse link 11 disposed between the two sets of conductive components 20, wherein the conductive components 20 include a bracket 21, a pull rod 22 rotatably disposed on the housing 10, a support plate 23 cooperating with the pull rod 22 and connected to the fuse link 11, and a connection plate 24 disposed in the housing 10 and connected to the support plate 23, one end of the pull rod 22 is provided with a knob 221 exposed outside the housing 10, the pull rod 22 is screwed on the bracket 21, the other end of the pull rod 22 is fastened on the support plate 23 to form a cooperating fit between the pull rod 22 and the support plate 23, two conductive plates 111 are disposed at two ends of the fuse link 11, two conductive plates 111 are provided with a clamping slot 112, the clamping slot 112 is fastened on the support plate 23, and constitute the joint cooperation of conductive plate 111 and backup pad 23, one of backup pad 23 on be provided with round pin axle 231, and round pin axle 231 contradicts on one side of support 21, and round pin axle 231 moves and can drive support 21 action along with backup pad 23, the other end of backup pad 23 on be provided with spacing gasket 232, and be formed with the centre gripping chamber that is used for centre gripping conductive plate 221 between spacing gasket 232 and the support 21.
As shown in fig. 2, 4 and 5, a U-shaped groove 241 is provided at one end of the terminal plate 24, the U-shaped groove 241 is engaged with the support plate 23, the two conductive plates 111 of the fusible link 11 are respectively attached to both sides of the terminal plate 24, a terminal portion 242 is provided at the other end of the terminal plate 24, and a terminal bolt 243 is provided at the terminal portion 242. The wiring board is connected with the supporting plate in a clamping matching mode, so that the wiring board and the supporting plate are convenient to assemble, and the two current conducting plates of the fuse link are respectively attached to the two sides of the wiring board, so that the fuse link can be ensured to be more reliable in contact with the wiring board, and the improvement of the working reliability of the fuse link is facilitated. The housing 10 is provided with a limiting groove 101 corresponding to the wiring portion 242 of the wiring board 24, and the wiring portion 242 is clamped in the limiting groove 101 and forms a clamping fit between the wiring board 24 and the housing 10. The wiring board and the shell are assembled in a clamping matching mode, so that the wiring board and the shell are convenient to assemble, and the assembly efficiency of the fuse is improved. The shell 10 is provided with an outlet hole 102 corresponding to the terminal boards 24 of the two sets of conductive components 20, and a rubber sleeve 103 is arranged in the outlet hole 102. The rubber sleeve is arranged in the wire outlet hole of the shell, so that the protection performance of the fuse is improved.
The fuse-link clamps between two sets of conductive component to be convenient for fuse and conductive component's assembly, the fuse-link clamps in the backup pad, and assembly efficiency is higher, and when the assembly, rotates the knob on the pull rod, and the round pin axle on the pull rod drives the support action, and support, spacing gasket can compress tightly the current conducting plate of fuse-link in the backup pad, thereby this fuse has simple structure, dependable performance stabilization, the convenient advantage of assembly.
Claims (4)
1. The utility model provides a fuse, casing, two sets of symmetry set up the conductive component in the casing, set up the fuse-link between two sets of conductive component, its characterized in that: the conductive component comprises a bracket, a pull rod rotationally arranged on the shell, a supporting plate which is in linkage fit with the pull rod and is connected with the fuse link, and a wiring board which is arranged in the shell and is connected with the supporting plate, one end of the pull rod is provided with a knob exposed outside the shell, the pull rod is connected on the bracket through screw threads, the other end of the pull rod is clamped on the support plate to form linkage fit of the pull rod and the support plate, two ends of the fuse link are respectively provided with two conductive plates, the two conductive plates are provided with clamping grooves, the clamping grooves are clamped on the support plate, and the conductive plate is clamped and matched with the support plate, one end of the support plate is provided with a pin shaft, the pin shaft is pressed against one side of the bracket and acts along with the supporting plate and can drive the bracket to act, and a limiting gasket is arranged at the other end of the supporting plate, and a clamping cavity for clamping the current-conducting plate is formed between the limiting gasket and the bracket.
2. The fuse of claim 1, wherein: one of terminal board on be provided with U type groove, U type groove block in the backup pad, and two current conducting plates of fuse-link laminate respectively on the both sides of terminal board, the other end of terminal board on be provided with wiring portion, be provided with the wiring bolt in this wiring portion.
3. The fuse of claim 2, wherein: the wiring portion department that corresponds the wiring board in the casing be provided with the spacing groove, wiring portion block in the spacing groove, and constitute the joint cooperation of wiring board and casing.
4. A fuse as recited in claim 1 or 2, wherein: the shell is provided with wire outlet holes corresponding to the wiring boards of the two groups of conductive components respectively, and rubber sleeves are arranged in the wire outlet holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120187378.2U CN213936105U (en) | 2021-01-22 | 2021-01-22 | Fuse protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120187378.2U CN213936105U (en) | 2021-01-22 | 2021-01-22 | Fuse protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213936105U true CN213936105U (en) | 2021-08-10 |
Family
ID=77159074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120187378.2U Expired - Fee Related CN213936105U (en) | 2021-01-22 | 2021-01-22 | Fuse protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213936105U (en) |
-
2021
- 2021-01-22 CN CN202120187378.2U patent/CN213936105U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |