CN209401591U - A kind of fuse - Google Patents
A kind of fuse Download PDFInfo
- Publication number
- CN209401591U CN209401591U CN201920400224.XU CN201920400224U CN209401591U CN 209401591 U CN209401591 U CN 209401591U CN 201920400224 U CN201920400224 U CN 201920400224U CN 209401591 U CN209401591 U CN 209401591U
- Authority
- CN
- China
- Prior art keywords
- fuse
- tube body
- ceramic tube
- end cap
- body half
- 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
- 239000000919 ceramic Substances 0.000 claims abstract description 54
- 230000004888 barrier function Effects 0.000 claims abstract description 35
- 239000011324 bead Substances 0.000 claims abstract description 10
- 230000014759 maintenance of location Effects 0.000 claims abstract description 10
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The utility model discloses a kind of fuse, including ceramic tube body and the fuse of the ceramics tubular body is set, ceramic tube body includes upper body half and lower body half, the inner wall of upper body half and the inner wall of lower body half are convexly equipped with multiple barrier blocks, fuse is in buckling curve shape under the barrier of multiple barrier blocks, several first springs are provided between upper body half and lower body half, the both ends of ceramic tube body each extend into end cap, the inner wall of end cap is equipped with retention bead, limiting groove is provided on ceramic tube body, the both ends of ceramic tube body are each provided with clamping part corresponding with fuse, clamping part includes at least two grip blocks, one end of grip block and ceramic tube body are hinged, the other end of grip block extends towards the direction far from ceramic tube body, the pressure ring along ceramic tube body axial direction compression clamping portion is equipped in end cap.The operation of change of fuse is relatively easy, it is ensured that ceramic tube body is used repeatedly, and is effectively reduced the waste of resource.
Description
Technical field
The utility model relates to safety device technical fields, it particularly relates to a kind of fuse.
Background technique
The effect of fuse is constantly increased along with electric current, and raised electricity when circuit malfunctions or exception
Stream is possible to certain important devices in damage circuit, it is also possible to burn circuit or even cause fire.If in circuit correctly
Fuse is disposed, then fuse will be when current anomaly be increased to certain height and temperature, itself fusing is cut
Power-off stream, to play the role of protecting circuit safety operation.When being that fuse is powered, made by the heat that electric energy is converted fusible
The temperature of body rises.When running current or the overload current of permission pass through, the heat of generation by fusable links, outer housing to
Ambient radiation progressivelyes reach balance by modes, the heats of the heat and generation that distribute such as convection current conduction.If generated
Heat is greater than the heat distributed, and extra heat is just gradually accumulated in fusable links, increase fusible temperature, when temperature reaches
When with being more than the fusing point of fusable links, fusable links will be made to melt, fusing and cut off electric current, playing the work of safety protective circuit
With.
Existing fuse includes tube body, fuse, end cap etc., and this fuse is Bullet structure, when the fuse in pipe is molten
After disconnected, which scraps, and can not be recycled, result in waste of resources.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of fuses, after fuse failure,
Fuse can be reinstalled to be reused, the waste of resource is reduced.
To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that
Including ceramic tube body and the fuse of the ceramics tubular body, the ceramics tube body packet is arranged in a kind of fuse
Include upper body half and lower body half, the inner wall of the inner wall of the upper body half and the lower body half is convexly equipped with multiple barriers
Block, multiple barrier blocks are uniformly distributed along the axial direction of the ceramic tube body, barrier blocks in the upper body half and it is described under
The interlaced setting of barrier blocks on half tube body, the fuse are in buckling curve shape under the barrier of multiple barrier blocks,
Several first springs are provided between the upper body half and the lower body half, the both ends of the ceramics tube body each extend into end cap
Interior, the inner wall of the end cap is equipped with retention bead, is provided with the limit matched with the retention bead on the ceramics tube body
Position groove, the both ends of the ceramics tube body are each provided with clamping part corresponding with the fuse, and the clamping part includes at least
Two grip blocks, one end of the grip block and the ceramic tube body are hinged, and the other end of the grip block is towards far from the pottery
The direction of porcelain tube body extends, and the pressure ring that the clamping part is compressed along the ceramic tube body axial direction is equipped in the end cap.
Further, the barrier blocks triangular shape.
Further, the pressure ring is slidably connected with the end cap.
Further, second spring is provided between side and the end cap of the pressure ring far from the ceramic tube body.
Further, the grip block is isosceles triangular structure, and the bottom edge of the grip block is equipped with horizontal axis, the clamping
The apex angle of plate is equipped with gap slot corresponding with the fuse.
The utility model has the beneficial effects that the operation of change of fuse is relatively easy, it is ensured that ceramic tube body repeatedly weighs
It is multiple to utilize, it is effectively reduced the waste of resource, using the fuse of curve shape in fusing, the fuse point at ceramic tube body both ends
From spacing than very fast so that the fuse go ETAD expected time of arrival and departure is short, obstruct the fuse go by the several piece barrier blocks on ceramic tube body
The electric arc that fuse burning generates when opening, can quickly block electric arc, reduce the generation of fuse internal heat.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the cross-sectional view of the fuse according to the utility model embodiment.
In figure:
1, second spring；2, end cap；3, fuse；4, upper body half；5, lower body half；6, barrier blocks；7, the first spring；8,
Grip block；9, retention bead；10, pressure ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figure 1, a kind of fuse according to the utility model embodiment, including ceramic tube body and setting exist
The fuse 3 of the ceramics tubular body, the ceramics tube body includes upper body half 4 and lower body half 5, the upper body half 4 it is interior
The inner wall of wall and the lower body half 5 is convexly equipped with multiple barrier blocks 6, axis of multiple barrier blocks 6 along the ceramic tube body
It is uniformly distributed to direction, the interlaced setting of barrier blocks 6 in barrier blocks 6 and the lower body half 5 in the upper body half 4, institute
Fuse 3 is stated under the barrier of multiple barrier blocks 6 in buckling curve shape, the upper body half 4 and the lower body half 5 it
Between be provided with several first springs 7, the both ends of the ceramics tube body each extend into end cap 2, and the inner wall of the end cap 2 is equipped with limit
Position protrusion 9 is provided with the limiting groove matched with the retention bead 9 on the ceramics tube body, and the two of the ceramics tube body
End is each provided with clamping part corresponding with the fuse 3, and the clamping part includes at least two grip blocks 8, the grip block 8
One end and the ceramic tube body it is hinged, the other end of the grip block 8 extends towards the direction far from the ceramic tube body, described
The pressure ring 10 that the clamping part is compressed along the ceramic tube body axial direction is equipped in end cap 2.
In a specific embodiment of the utility model, 6 triangular shape of barrier blocks.
In a specific embodiment of the utility model, the pressure ring 10 is slidably connected with the end cap 2.
In a specific embodiment of the utility model, side of the pressure ring 10 far from the ceramic tube body with it is described
Second spring 1 is provided between end cap 2.
In a specific embodiment of the utility model, the grip block 8 is isosceles triangular structure, the grip block
8 bottom edge is equipped with horizontal axis, and the apex angle of the grip block 8 is equipped with gap slot corresponding with the fuse 3.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of specifically used mode to the utility model
Above-mentioned technical proposal be described in detail.
Upper body half 4, which is pressed on lower body half 5, constitutes ceramic tube body, the both ends of ceramic tube body is inserted in end cap 2, end cap
2 retention bead 9 is caught in the limiting groove of ceramic tube body, under the action of the first spring 7, upper body half 4, lower body half 5,
End cap 2 realizes that each hinged grip block 8 in the both ends of upper body half 4, each hinged one of the both ends of lower body half 5 press from both sides from locking
Plate 8 is held, when end cap 2 is inserted in respectively in the both ends of ceramic tube body, the pressure ring 10 in end cap 2 oppresses two grip blocks 8 up and down, makes
Upper and lower two grip blocks 8 are close to each other, and then clamp fuse 3 by upper and lower two grip blocks 8, in the effect of second spring 1
Under, grip block 8, fuse 3 are realized from locking.For convenience of the fixed and positioned of the first spring 7, in upper body half 4 and lower body half 5
It is provided with the blind hole matched with the first spring 7.
Grip block 8 is hinged by horizontal axis and ceramic tube body.Conductive contact between grip block 8 and fuse 3, grip block 8, pressure ring
10, end cap 2 is conductor.Pressure ring 10 can be contacted with 2 direct conduction of end cap, can also pass through conductive second spring 1 and end
Cap 2 is conductively connected.
Fuse 3 realizes the conductive connection with end cap 2 by grip block 8 and pressure ring 10.
There are multiple barrier blocks 6, fuse 3 is in buckling curve shape under the barrier of barrier blocks 6, using song in ceramic tube body
For the fuse 3 of wire shaped in fusing, the isolated spacing of the fuse 3 at ceramic tube body both ends is than very fast, when so that the fuse disconnecting
Between it is short, wherein for the ease of cut off fuse 3,6 triangular shape of barrier blocks.In the present embodiment, 4 inner wall of upper body half is by upper
Protruding out two pieces of barrier blocks 6 down, 5 inner wall of lower body half has protruded out three pieces of barrier blocks 6 from lower to upper, and intracorporal five pieces of ceramic tube
The alternate setting of barrier blocks 6.When the fuse 3 of the fuse fuses, what five pieces of barrier blocks 6 together generated the fusing of fuse 3
Electric arc is obstructed, and the arc extinguishing ability of fuse is improved, and is reduced the heat generated in 3 fusing process of fuse, is avoided fuse
The generation of spontaneous combustion explosion danger.
In use process, after fuse 3 fuses, upper body half 4 and lower body half 5 are pressed, makes to be located at 4 He of upper body half
The first spring 7 compression between lower body half 5, until the retention bead 9 of end cap 2 is deviate from out of limiting groove, then by end cap 2
It unloads, upper body half 4 and lower body half 5 is separated, take out the fuse 3 being broken, the fuse 3 for then intercepting corresponding length is pacified
Between upper body half 4 and lower body half 5, the two is protruded into end cap 2 after pressing upper body half 4 and lower body half 5 again,
And retention bead 9 is made to be caught in the replacement that fuse 3 can be realized in limiting groove, whole process is convenient and efficient, while in limit convex
Rise 9 be caught in limiting groove after, the second spring 1 in end cap 2 can squeeze pressure ring 10, two grip blocks up and down that pressure ring 10 is oppressed
8, close up upper and lower two grip blocks 8, to clamp fuse 3, fuse 3 is positioned by the gap slot of 8 vertex of grip block.
In conclusion the operation of change of fuse is relatively easy by means of the above-mentioned technical proposal of the utility model, it can
Guarantee that ceramic tube body is used repeatedly, is effectively reduced the waste of resource, using the fuse of curve shape in fusing, pottery
The spacing of the fuse separation at porcelain tube body both ends is than comparatively fast, so that the fuse go ETAD expected time of arrival and departure is short, passing through the several piece on ceramic tube body
Barrier blocks obstruct the electric arc that fuse burning generates when fuse disconnects, and can quickly block electric arc, reduce heat inside fuse
The generation of amount.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of fuse, including ceramic tube body and the fuse (3) of the ceramics tubular body is set, which is characterized in that institute
Stating ceramic tube body includes upper body half (4) and lower body half (5), the inner wall and the lower body half (5) of the upper body half (4)
Inner wall be convexly equipped with multiple barrier blocks (6), multiple barrier blocks (6) are uniformly distributed along the axial direction of the ceramic tube body, institute
State the barrier blocks (6) on upper body half (4) and barrier blocks (6) interlaced setting on the lower body half (5), the fuse
It (3) is in buckling curve shape under the barrier of multiple barrier blocks (6), the upper body half (4) and the lower body half (5)
Between be provided with several first springs (7), the both ends of the ceramics tube body each extend into end cap (2), the inner wall of the end cap (2)
It is equipped with retention bead (9), is provided with the limiting groove matched with the retention bead (9) on the ceramics tube body, it is described
The both ends of ceramic tube body are each provided with clamping part corresponding with the fuse (3), and the clamping part includes at least two clampings
Plate (8), one end of the grip block (8) and the ceramic tube body are hinged, and the other end of the grip block (8) is towards far from the pottery
The direction of porcelain tube body extends, and the pressure ring that the clamping part is compressed along the ceramic tube body axial direction is equipped in the end cap (2)
(10).
2. fuse according to claim 1, which is characterized in that barrier blocks (6) triangular shape.
3. fuse according to claim 1, which is characterized in that the pressure ring (10) is slidably connected with the end cap (2).
4. fuse according to claim 3, which is characterized in that side of the pressure ring (10) far from the ceramic tube body
Second spring (1) is provided between the end cap (2).
5. fuse according to claim 1, which is characterized in that the grip block (8) is isosceles triangular structure, described
The bottom edge of grip block (8) is equipped with horizontal axis, and the apex angle of the grip block (8) is equipped with gap slot corresponding with the fuse (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400224.XU CN209401591U (en) | 2019-03-27 | 2019-03-27 | A kind of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400224.XU CN209401591U (en) | 2019-03-27 | 2019-03-27 | A kind of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401591U true CN209401591U (en) | 2019-09-17 |
Family
ID=67900070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920400224.XU Expired - Fee Related CN209401591U (en) | 2019-03-27 | 2019-03-27 | A kind of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859997A (en) * | 2019-03-27 | 2019-06-07 | 上海查尔斯光电科技有限公司 | A kind of fuse |
| CN111863563A (en) * | 2020-06-20 | 2020-10-30 | 广东电网有限责任公司广州供电局 | Fusion tube installation module and high-voltage fuse |
-
2019
- 2019-03-27 CN CN201920400224.XU patent/CN209401591U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859997A (en) * | 2019-03-27 | 2019-06-07 | 上海查尔斯光电科技有限公司 | A kind of fuse |
| CN111863563A (en) * | 2020-06-20 | 2020-10-30 | 广东电网有限责任公司广州供电局 | Fusion tube installation module and high-voltage fuse |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 |