CN208889574U - A kind of fuse - Google Patents
A kind of fuse Download PDFInfo
- Publication number
- CN208889574U CN208889574U CN201821741282.0U CN201821741282U CN208889574U CN 208889574 U CN208889574 U CN 208889574U CN 201821741282 U CN201821741282 U CN 201821741282U CN 208889574 U CN208889574 U CN 208889574U
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- dististyle
- elastic slice
- slot
- rivet
- fixing seat
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Abstract
The technical issues of the utility model discloses a kind of fuses, are related to electronic device overheat protective technology field, and it is limited to solve rivet fixed effect, may influence fuse using effect.Technical points include fixing seat, first dististyle, second dististyle, upper elastic slice, lower elastic slice, contacting at the lower elastic slice makes it fit in the mandril of elastic slice and the thermal sensitive piece positioned at the connection of mandril one end, fusible alloy is connected between the thermal sensitive piece and mandril, first dististyle and the second dististyle pass through rivet in fixing seat two sides, the rivet includes rivet nut, it is set to the head of a nail of described rivet nut one end and is opened in the deformation hole of the rivet nut other end, the rivet nut, which is closed on, is provided with protrusion on the outer wall of the head of a nail, the protrusion peripherally and outwardly extends along rivet nut side wall, the utility model, which has, promotes rivet to the fixed effect of the first dististyle and the second dististyle, the advantages of guaranteeing fuse using effect.
Description
Technical field
The utility model relates to electronic device overheat protective technology fields, more specifically, it relates to a kind of fuse.
Background technique
A kind of Miniature heat protector is disclosed in the Chinese patent that notification number is CN206271615U, including fixed plate, absolutely
Edge fixing seat, temperature-sensing element, moving contact, static contact and static contact, which is characterized in that the static contact is bending structure, one end
Riveting has static contact, and the other end is stretched out from the insulation fixing seat.
It is similar to above-mentioned thermal protector in the prior art, after accessing circuit, temperature-sensing element 3 is acted in heating effect of current
Under, mutation overturning drives moving contact 4 to move together, so that moving contact 4 is separated with static contact 6, to cut off circuit loop；Work as sense
After heat disperses on warm element 3, temperature-sensing element 3 automatically resets, and two contacts contact to connect circuit loop again.Moving contact with
Static contact passes through rivet in fixing seat, and rivet includes rivet nut and the head of a nail, since rivet nut is in smooth cylindric, the head of a nail
Position-limiting action is played in the axial direction of rivet with the rivet nut end bent after riveting, rivet nut only plays connection function.It is being used for a long time
In the process, rivet and plastic seat are similarly subjected to heating effect of current effect aging and the influence in own material service life, so that rivet nut
It is likely to occur loosening, to influence long rivet and short rivet to the regular event between moving contact and static contact, influences to insure
The using effect of silk.
Utility model content
Problem in view of the prior art, the purpose of this utility model is to provide a kind of fuses, have and promote rivet
To the fixed effect of the first dististyle and the second dististyle, the advantages of guaranteeing fuse using effect.
To achieve the above object, the utility model provides following technical solution: a kind of fuse, including fixing seat,
One dististyle, upper elastic slice, lower elastic slice, contacts at the lower elastic slice it is made to fit in the mandril of elastic slice and be located at the second dististyle
The thermal sensitive piece of mandril one end connection, is connected with fusible alloy, first dististyle and second end between the thermal sensitive piece and mandril
By rivet in fixing seat two sides, the rivet includes rivet nut, the head of a nail for being set to described rivet nut one end and opens up piece
In the deformation hole of the rivet nut other end, the rivet nut, which is closed on, is provided with protrusion on the outer wall of the head of a nail, and the protrusion is along nail
Body sidewall peripherally and outwardly extends.
By using above-mentioned technical proposal, fuse is connected into circuit by the first dististyle and the second dististyle, works as thermal sensitive piece
The heat that heating effect of current generates in absorbing circuit melts so that fusible alloy is heated, and mandril is solved with the thawing of fusible alloy
Except the conflict effect to lower elastic slice, so that the first dististyle and the second dististyle are in open-circuit condition.It is prominent due to being provided on rivet nut outer wall
The portion of rising, so that being generated between the protrusion and the first dististyle, the second dististyle and fixing seat side wall in rivet nut during pressing
Deformation is in interference fit, and rivet nut not only passes through the head of a nail and the deformation in rivet nut end deformation hole is turned up to dististyle and fixing seat in rivet nut
Axial direction on play limit fixed function, reinforcement effect is also played in the circumferential direction of rivet nut by protrusion, prevents rivet nut from loosening
Influence static contact and moving contact be bonded and separating action, to ensure that the using effect of fuse.
The utility model is further arranged to: the protrusion extend in head of a nail side wall surface and with the head of a nail and rivet nut one
Body formed setting.
By using above-mentioned technical proposal, protrusion extends to head of a nail side wall and is wholely set, to enhance protrusion and fixation
The intensity of interference position limiting structure, promotes the consolidation effect of protrusion and the company between rivet nut and the head of a nail between seat and dististyle
The stability of binding structure.
The utility model is further arranged to: the fixing seat top surface offers horizontal through fixing seat along its length
Dististyle slot, the slot bottom both ends of the dististyle slot run through fixing seat vertically and offer riveted holes, and rivet makes across riveted holes
It obtains the first dististyle and the second dististyle is riveted in fixing seat.
By using above-mentioned technical proposal, dististyle slot is for the position to the first dististyle and the second dististyle in fixing seat
It is limited, cooperation rivet passes through the riveting of riveted holes, enhances the limit of the first dististyle and the second dististyle in fixing seat circumferential direction
Effect.
The utility model is further arranged to: the lower elastic slice is located at the first dististyle and closes on the second dististyle side towards second
Dististyle extends obliquely downward, and the upper elastic slice, which is located at the second dististyle, to be closed on the first dististyle side and tilt upward and prolong towards the first dististyle
It stretches, be equipped with interval between the upper elastic slice and lower elastic slice and be provided with touching on the opposite face of the upper elastic slice and the lower elastic slice
Point.
By using above-mentioned technical proposal, the inclined direction of lower elastic slice and upper elastic slice loses top on the contrary, increasing elastic slice instantly
Deformation quantity under its own stress when the conflict effect of bar, the upper spacing between elastic slice and lower elastic slice of increases, guarantee guarantor
Protective effect of the dangerous silk to circuit.
The utility model is further arranged to: the contact is welded in the upper elastic slice and lower elastic slice, and the upper elastic slice
With offer limiting slot on lower elastic slice, the contact is plugged in the limit towards being provided in the side wall surface of upper elastic slice and lower elastic slice
Limited block in the slot of position.
By using above-mentioned technical proposal, the conflict that contact is used to enhance between the first dististyle and the second dististyle is fitted in point
The function and effect that detachment is opened.Contact promotes it in upper elastic slice and lower bullet by grafting and welding between limited block and limit
The stability of on piece position.
The utility model is further arranged to: being prolonged on first dististyle and one end side wall of the second dististyle stretching fixing seat
It stretches and is provided with outer plate, the outer plate conflict fits on the side wall of the fixing seat.
By using above-mentioned technical proposal, the outer plate on dististyle side wall is used for the first dististyle and the second dististyle in dististyle
It is limited on the length direction of slot, cooperates the stability of riveting enhancing dististyle position in fixing seat of rivet, guarantee to protect
Connection between dangerous silk and circuit.
The utility model is further arranged to: the medium position of the fixing seat offers the shape of connection dististyle slot slot bottom
Become slot, for the deformation slot far from displacement aperture is provided with through fixing seat in the middle part of the bottom surface of dististyle slot, the mandril passes through displacement
The one end in hole contacts at the lower elastic slice.
By using above-mentioned technical proposal, mandril passes through displacement aperture and contradicts on lower elastic slice, and deformation slot is to for lower elastic slice
The enough deformation spaces of deformation offer after supporting role are contradicted losing mandril, under guaranteeing after bullet deformation between upper elastic slice
Spacing distance.
The utility model is further arranged to: the fixing seat offers fusion tank far from the bottom surface of dististyle slot, readily soluble
Alloy is fixed in fusion tank, and displacement aperture is connected to the fusion tank and deformation slot, and the thermal sensitive piece is fixed on the opening of fusion tank
On face.
By using above-mentioned technical proposal, fusion tank is with melting pushing rod so that fusible alloy is heated from displacement aperture to melting
Sliding in slot, the space of fusion tank be conducive to mandril with fusible alloy sliding movement from thawing to thermal sensitive piece direction.
Compared with prior art, the utility model has the beneficial effects that
(1) setting for passing through rivet rivet nut side wall upper process portion promotes rivet and is limiting to the first dististyle and the second dististyle
Reinforcement effect guarantees the using effect of temperature controller；
(2) guarantee that thermal sensitive piece is worked as in deformation movement of the lower elastic slice after losing conflict effect, guarantee by the setting of deformation slot
Separating effect between the higher elastic slice at present of temperature and upper elastic slice；
(3) by the way that the setting of upper elastic slice and lower elastic slice upper contact is arranged, in guarantee elastic slice be connected with the conflict of lower elastic slice and
Separate the function and effect disconnected.
Detailed description of the invention
Fig. 1 is the internal view of the present embodiment；
Fig. 2 is the structural schematic diagram of rivet in the present embodiment；
Fig. 3 is the structural schematic diagram of fixing seat in the present embodiment；
Fig. 4 is the structural schematic diagram of fusion tank in the present embodiment saliency fixing seat；
Fig. 5 is the structural schematic diagram of the present embodiment；
Fig. 6 is the enlarged diagram in Fig. 1 at A.
Appended drawing reference: 1, fixing seat；11, dististyle slot；12, deformation slot；13, displacement aperture；14, mounting blocks；15, it melts
Slot；16, slot is riveted；17, riveted holes；2, the first dististyle；21, outer plate；3, upper elastic slice；31, limiting slot；32, contact；33, it limits
Position block；4, the second dististyle；5, lower elastic slice；6, mandril；7, thermal sensitive piece；8, rivet；81, rivet nut；82, the head of a nail；83, deformation hole；84,
Protrusion；9, fusible alloy.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment, a kind of fuse, as shown in Figure 1, 2, including fixing seat 1, the first dististyle 2, the second dististyle 4, upper elastic slice
3, lower elastic slice 5, support contact at the mandril 6 and be located at 6 one end of mandril that lower elastic slice 5 makes lower elastic slice 5 fit with upper elastic slice 3
The thermal sensitive piece 7 of connection.First dististyle 2 and the second dististyle 4 pass through rivet 8 and are riveted on 1 two sides of fixing seat.Rivet 8 includes rivet nut 81
And the head of a nail 82 and deformation hole 83 positioned at 81 both ends of rivet nut, it is provided with protrusion 84 on 81 outer wall of rivet nut, passes through protrusion
Portion 84 causes deformation to be interference fitted dististyle junction when rivet nut 81 rivets, to promote rivet nut 81 to the fixed effect of the riveting of dististyle
Fruit.
As shown in Figure 1,3, fixing seat 1 is in square block, and fixing seat 1 is ceramic material in the present embodiment.Positioned at fixing seat 1
Run through on long side one side along the length direction of fixing seat 1 and offers dististyle slot 11, the middle position of 11 groove bottom of dististyle slot
It sets and is also provided with deformation slot 12, the groove bottom of the vertical dististyle slot 11 of deformation slot 12, and to another relatively long avris of fixing seat 1
Face, which extends, to be opened up, and the groove bottom center positioned at deformation slot 12 offers displacement aperture 13.Fixing seat 1 and 11 long side of dististyle slot
The opposite another long side Middle face in face is connected with mounting blocks 14, and fusion tank 15, fusion tank 15 are offered on mounting blocks 14
Rectangular channel in long strip.One end of displacement aperture 13 communicates through fusion tank 15 and extends to fixing seat 1 far from dististyle slot 11
Long side side on.In conjunction with Fig. 4, fixing seat 1 offers a pair of of riveting slot 16, a pair of of riveting in the side wall surface far from dististyle slot 11
The both ends that access slot 16 is located at 1 length direction of fixing seat open up, and the groove bottom of riveting slot 16 offers riveted holes 17, and riveted holes 17 prolong
It stretches and is connected in the groove bottom of dististyle slot 11.
As shown in Figure 1, 2, rivet 8 is worn from riveting 16 side of slot insertion riveted holes 17 and positioned at the slot bottom of dististyle slot 11
Out, it passes through the first dististyle 2 later to press with the second dististyle 4, the deformation of turning up of the deformation hole 83 of 8 end of rivet makes first end
Piece 2 and the second dististyle 4 are riveted in fixing seat 1 by rivet 8.The protrusion 84 of 8 side wall of rivet circumferentially extending is along 81 axis of rivet nut
It is integrally formed to extending on 82 side wall of the head of a nail, protrusion 84 generates deformation to the first dististyle 2 and the second dististyle 4 and makees when pressing
Firmly so that rivet 8 is interference fitted in riveted holes 17 with the first dististyle 2 and second end face.
As shown in Figure 5,6, the first dististyle 2 and the elongated rectangular plate-like of the second dististyle 4, the first dististyle 2 and second
Dististyle 4 is plugged in dististyle slot 11, and the both ends of dististyle slot 11 are stretched out in the end of the first dististyle 2 and the second dististyle 4, and
First dististyle 2 and the second dististyle 4, which stretch out to be extended on the long side side wall of dististyle slot 11, outer plate 21, and outer plate 21 is bonded
In on the both ends open side wall of dististyle slot 11.Lower elastic slice 5 is located at the first dististyle 2 and closes on 4 side of the second dististyle towards second end
The integrally connected diagonally downward of piece 4, upper elastic slice 3, which is located at the second dististyle 4, to be closed on 2 side of the first dististyle and is tilted towards towards the first dististyle 2
Upper integrally connected, so that being provided with interval between upper elastic slice 3 and lower elastic slice 5.It is opened up on upper elastic slice 3 and the opposite face of lower elastic slice 5
There is a limiting slot 31, be provided with contact 32 on upper elastic slice 3 and lower elastic slice 5, contact 32 is in square block, and contact 32 is towards limiting slot 31
It is provided with the limited block 33 being plugged in limiting slot 31 on one side, contact 32 is plugged on elastic slice 3 and lower elastic slice 5 and passes through welding
It is fixed.
As shown in Figure 1, mandril 6, which passes through displacement aperture 13, contacts at lower elastic slice 5 diagonally downward, by lower elastic slice 5 and upper elastic slice 3
Compress fitting.The cylindrical setting of fusible alloy 9 is set in fusion tank 15, and is connected to end of the mandril 6 far from dististyle slot 11
Portion, thermal sensitive piece 7 are fixed on the opening face of fusion tank 15 and are connected to fusible alloy 9.
The course of work of the utility model and have the beneficial effect that: fuse is connected by the first dististyle 2 with the second dististyle 4
In circuit, when exception, which occurs, in circuit higher temperature occurs under heating effect of current, thermal sensitive piece 7 recepts the caloric so that fusible alloy 9
Melt, mandril 6 is moved along displacement aperture 13 into fusion tank 15 with the thawing of fusible alloy 9, and lower elastic slice 5, which loses support and contradicts, to be made
With, it is separated under itself stress of its deformation with upper elastic slice 3, so that circuit loop disconnects, overheat guarantor of the realization to circuit
Shield effect.Rivet 8 is by the setting in side wall upper process portion 84 so that deformation is generated with dististyle during riveting, in fixing seat 1
On riveted holes 17 in be interference fitted, promoted rivet 8 to the fixed effect of the first dististyle 2 and the second dististyle 4, guarantee that fuse makes
The advantages of with effect.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of fuse, including fixing seat (1), the first dististyle (2), the second dististyle (4), upper elastic slice (3), lower elastic slice (5), support
Touch makes it fit in the mandril of upper elastic slice (3) (6) and is located at the thermal sensitive piece of mandril (6) one end connection in the lower elastic slice (5)
(7), it is connected with fusible alloy (9) between the thermal sensitive piece (7) and mandril (6), first dististyle (2) and the second dististyle (4)
Be riveted on fixing seat (1) two sides by rivet (8), it is characterised in that: the rivet (8) include rivet nut (81), be set to it is described
The head of a nail (82) of rivet nut (81) one end and the deformation hole (83) for being opened in the rivet nut (81) other end, the rivet nut (81) are faced
It is provided with protrusion (84) on the outer wall of the nearly head of a nail (82), the protrusion (84) peripherally and outwardly extends along rivet nut (81) side wall.
2. a kind of fuse according to claim 1, it is characterised in that: the protrusion (84) extends to the head of a nail (82) side
It is integrally formed on wall surface and with the head of a nail (82) and rivet nut (81) and is arranged.
3. a kind of fuse according to claim 2, it is characterised in that: fixing seat (1) top surface is along its length
The horizontal dististyle slot (11) for running through fixing seat (1) is offered, the slot bottom both ends of the dististyle slot (11) run through fixed vertically
Seat (1) offers riveted holes (17), and rivet (8) passes through riveted holes (17) and the first dististyle (2) is riveted on the second dististyle (4)
In fixing seat (1).
4. a kind of fuse according to claim 3, it is characterised in that: the lower elastic slice (5) is located at the first dististyle (2) and faces
Nearly second dististyle (4) side is extended obliquely downward towards the second dististyle (4), and the upper elastic slice (3) is located at the second dististyle (4) and closes on
First dististyle (2) side tilts upward extension towards the first dististyle (2), between being equipped between the upper elastic slice (3) and lower elastic slice (5)
Every and the opposite face of the upper elastic slice (3) and the lower elastic slice (5) on be provided with contact (32).
5. a kind of fuse according to claim 4, it is characterised in that: the contact (32) is welded in the upper elastic slice
(3) it with lower elastic slice (5), and is offered limiting slot (31) on the upper elastic slice (3) and lower elastic slice (5), contact (32) direction
The limited block (33) being plugged in the limiting slot (31) is provided in the side wall surface of upper elastic slice (3) and lower elastic slice (5).
6. a kind of fuse according to claim 5, it is characterised in that: first dististyle (2) is stretched with the second dististyle (4)
Being extended on one end side wall of fixing seat (1) out has outer plate (21), and the outer plate (21) contradicts and fits in the fixation
On the side wall of seat (1).
7. a kind of fuse according to claim 6, it is characterised in that: the medium position of the fixing seat (1) offers
It is connected to the deformation slot (12) of dististyle slot (11) slot bottom, the deformation slot (12) is run through far from the bottom surface middle part of dististyle slot (11)
Fixing seat (1) is provided with displacement aperture (13), and one end that the mandril (6) passes through displacement aperture (13) contacts at the lower elastic slice (5).
8. a kind of fuse according to claim 7, it is characterised in that: the fixing seat (1) is far from dististyle slot (11)
Bottom surface offer fusion tank (15), fusible alloy (9) is fixed in fusion tank (15), and displacement aperture (13) is connected to the fusion tank
(15) it is fixed on the opening face of fusion tank (15) with deformation slot (12), the thermal sensitive piece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741282.0U CN208889574U (en) | 2018-10-25 | 2018-10-25 | A kind of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821741282.0U CN208889574U (en) | 2018-10-25 | 2018-10-25 | A kind of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889574U true CN208889574U (en) | 2019-05-21 |
Family
ID=66517209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821741282.0U Active CN208889574U (en) | 2018-10-25 | 2018-10-25 | A kind of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208889574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017340A1 (en) * | 2019-08-01 | 2021-02-04 | 广东汇莱德温控器有限公司 | Coupler having overheat protection function |
-
2018
- 2018-10-25 CN CN201821741282.0U patent/CN208889574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017340A1 (en) * | 2019-08-01 | 2021-02-04 | 广东汇莱德温控器有限公司 | Coupler having overheat protection function |
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