CN206849774U - Thermal Cutoffs component and there is its wall-breaking machine - Google Patents
Thermal Cutoffs component and there is its wall-breaking machine Download PDFInfo
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- CN206849774U CN206849774U CN201720770699.9U CN201720770699U CN206849774U CN 206849774 U CN206849774 U CN 206849774U CN 201720770699 U CN201720770699 U CN 201720770699U CN 206849774 U CN206849774 U CN 206849774U
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Abstract
The utility model discloses a kind of Thermal Cutoffs component and there is its wall-breaking machine, Thermal Cutoffs component includes：Conductive shell, first stitch, second stitch, thermosensitive part and open circuit protection component, conductive shell is vertically extending, one in the roof and bottom wall of conductive shell forms temperature-sensitive portion, first stitch is located at outside conductive shell and is connected with the side wall of conductive shell, second stitch is located in conductive shell and insulated between conductive shell, second stitch from the roof and bottom wall of conductive shell another stretching, the volume of thermosensitive part is inversely proportional with temperature, thermosensitive part is located in conductive shell and contacted with temperature-sensitive portion, open circuit protection component is located in housing and contacted respectively with thermosensitive part and the second stitch, open circuit protection component separates with the second stitch when the temperature of thermosensitive part reaches predetermined trip temperature.According to Thermal Cutoffs component of the present utility model, the heat transfer area between thermosensitive part and thermal source is added, is provided conveniently for installation Thermal Cutoffs component.
Description
Technical field
The utility model is related to wall-breaking machine technical field, in particular it relates to a kind of Thermal Cutoffs component and with its
Wall-breaking machine.
Background technology
Thermal Cutoffs is widely used as the safety protection class component of household electrical appliances, in order to increase heating surface area, so that temperature
Fuse reaches the effect protected in time, the generally horizontal setting of Thermal Cutoffs.But for electrical equipment such as wall-breaking machines, due to internal junction
The limitation of conformational space, fuse can not be horizontally disposed with, in these electrical equipment, fuse can only be placed vertically, and it is accurate to lead to not
The actual temperature of heated body is sensed, temperature sensor is often below actual temperature, so as to be unable to reach the effect of overtemperature protection.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.
Therefore, the utility model proposes a kind of Thermal Cutoffs component, the Thermal Cutoffs component is suitable to be vertically arranged,
And there is excellent overtemperature protection effect.
The utility model also proposes a kind of wall-breaking machine with said temperature fuse component.
According to the Thermal Cutoffs component of the utility model first aspect, including：Conductive shell, the first stitch, the second line
The thermosensitive part and open circuit protection component that pin, volume and temperature are inversely proportional, the conductive shell is vertically extending, the conduction
One in the roof and bottom wall of housing forms temperature-sensitive portion, first stitch be located at the conductive shell it is outer and with the conduction
The side wall of housing is connected, and second stitch is located in the conductive shell and insulated between the conductive shell, and described the
Two stitches from another stretching in the roof and bottom wall of the conductive shell, the thermosensitive part be located in the conductive shell and
Contacted with the temperature-sensitive portion, the open circuit protection component be located in the housing and respectively with the thermosensitive part and second line
Pin contact, the temperature of the thermosensitive part when reaching predetermined trip temperature the open circuit protection component separated with second stitch.
According to Thermal Cutoffs component of the present utility model, by the way that one end of conductive shell is arranged to temperature-sensitive portion, a side
Face adds the heat transfer area between thermosensitive part and heater, so as to add the heat transfer efficiency of Thermal Cutoffs component, and then
The precision of Thermal Cutoffs component is improved, on the other hand, temperature-sensitive portion is located at the end of conductive shell, reduces Thermal Cutoffs
The installing space of component, especially when heater is located at installing space end, the installation for Thermal Cutoffs component provides
It is convenient.
According to the Thermal Cutoffs component of the utility model one embodiment, the open circuit protection component includes：Star contact
With breaking elastic component, the star contact is located in the conductive shell and contacted with second stitch, the breaking elastic component
It is located in the conductive shell and often pushes the star contact to the thermosensitive part, the temperature of the thermosensitive part reaches described predetermined
The star contact separates in the presence of the breaking elastic component with second stitch during trip temperature, is achieved in broken wall
The open circuit processing of machine, prevents from damaging caused by the temperature of wall-breaking machine is too high.
Alternatively, second stitch is consolidated by being set in the insulated ring that second stitch is with the conductive shell
It is fixed.
Further, the outer peripheral face of second stitch is provided with interior restriction groove, is set on the inner peripheral surface of the conductive shell
There is outer stopper slot, the insulated ring coordinates in the interior stopper slot and the outer stopper slot.
According to an alternative embodiment of the present utility model, the breaking elastic component is spring and is set in second line
On pin, the star contact is only only supported in one end of the cut-out spring to the insulated ring and the other end.
According to further embodiment of the present utility model, the open circuit protection component also includes：Elastic component is connected, it is described
Connection elastic component is compressed between the thermosensitive part and the star contact.
According to one embodiment of the present utility model, it is described connection elastic component be spring, it is described connect elastic component with it is described
Pad is respectively equipped between thermosensitive part and between the connection elastic component and the star contact.
According to the Thermal Cutoffs component of the utility model one embodiment, in the roof and bottom wall of the conductive shell
One closing, another in the roof and bottom wall of the conductive shell are provided with cable-through hole, and second stitch is from described
Cable-through hole stretches out and the conductive shell is provided with and is used to seal the seal head of the cable-through hole, by closing roof or bottom wall
In one, and by the use of closing one end as temperature-sensitive end, may advantageously facilitate the transmission of heat, line sealed using seal head
Hole, the stability of the second stitch can not only be lifted, moreover it is possible to prevent the second stitch from contacting conductive shell.
According to the Thermal Cutoffs component of the utility model one embodiment, the cross-sectional area in the temperature-sensitive portion is 7mm2-
51mm2, the transmission of heat can not only be promoted, moreover it is possible to provide conveniently for the installation of Thermal Cutoffs component.
According to the wall-breaking machine of the utility model second aspect, including：Base, cup and the temperature according to above-described embodiment
Fuse component is spent, the Thermal Cutoffs component contacts located at the base and the temperature-sensitive portion with the cup.
According to the wall-breaking machine of the utility model one embodiment, the base is provided with coil panel, the Thermal Cutoffs
Component is located on the coil panel and avoids the winding area of the coil panel.
Further, the base is provided with dividing plate, and the dividing plate, which is provided with, to be used for the Thermal Cutoffs component group
Part often pushes the support elastic component of the cup to.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the structural representation according to the wall-breaking machine of the utility model embodiment；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the top view according to the base of the wall-breaking machine of the utility model embodiment；
Fig. 4 is the structural representation according to the Thermal Cutoffs component of the utility model embodiment；
Fig. 5 is the off-state figure according to the Thermal Cutoffs component of the utility model embodiment.
Reference：
100：Wall-breaking machine；
10：Base；
11：Motor；12：Coil panel；13：Clutch；14：Dividing plate；15：Support elastic component；
20：Cup；
30：Thermal Cutoffs component；
31：Conductive shell；311：Temperature-sensitive portion；312：Seal head
32：First stitch；
33：Second stitch；331：Insulated ring；
34：Thermosensitive part；
35：Power-off protection component；351：Star contact；352：Breaking elastic component；
353：Connect elastic component；354：Pad.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " thickness ", " on ", " under ", " level ",
The orientation or position relationship of the instruction such as " interior ", " outer ", "left", "right", " axial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, define " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".At this
In the description of utility model, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Wall-breaking machine 100 below with reference to Fig. 1-Fig. 5 descriptions according to the utility model embodiment.
As shown in figure 1, according to the wall-breaking machine 100 of the utility model one embodiment, including：Base 10, cup 20 and temperature
Fuse component 30 is spent, cup 20 is located on base 10, and Thermal Cutoffs component 30 is located between base 10 and cup 20, temperature
Axial direction (as shown in Figure 1 above-below direction) extension of the fuse component 30 along cup 20, and the upper end of Thermal Cutoffs component 30
Contacted with the lower surface of cup 20.
First, the Thermal Cutoffs component 30 according to the utility model embodiment is described with reference to the drawings.
As shown in figure 4, according to the Thermal Cutoffs component 30 of the utility model one embodiment, including：Conductive shell 31,
First stitch 32, the second stitch 33, thermosensitive part 34 and open circuit protection component 35.
Wherein, (above-below direction as shown in Figure 4) extends conductive shell 31 along the vertical direction, the roof of conductive shell 31 and bottom
One in wall can be opened wide and another can be closed, and the first stitch 32 is connected in the side wall of conductive shell 31, the second line
The open end of pin 33 from conductive shell 31 is stretched into inside conductive shell 31, and the second stitch 33 is (as shown in Figure 4 vertically downwards
It is downward) extension and stretched out from the open end (lower end as shown in Figure 4) of housing.
Further, as shown in figure 4, the blind end of conductive shell 31 forms temperature-sensitive portion 311, thermosensitive part 34 is located at conductive shell
The inside of body 31 simultaneously contacts with temperature-sensitive portion 311, and the volume of thermosensitive part 34 is inversely proportional with temperature, and open circuit protection component 35 is located at temperature-sensitive
Between the stitch 33 of part 34 and second, when the temperature of thermosensitive part 34 reaches predetermined trip temperature, open circuit protection component 35 and second
Stitch 33 separates, and then disconnects the connected relation between the first stitch 32 and the second stitch 33.
Thus, according to the Thermal Cutoffs component 30 of the utility model embodiment, by the way that one end of conductive shell 31 is set
Temperature-sensitive portion 311 is set to, on the one hand can increased in the case that Thermal Cutoffs component 30 is vertically arranged between heater
Heat transfer area, so as to add the heat transfer efficiency of Thermal Cutoffs component 30, and then improve the mistake of Thermal Cutoffs component 30
Thermal protection precision, on the other hand, temperature-sensitive portion 311 is located at the end of conductive shell 31, reduces the peace of Thermal Cutoffs component 30
Space is filled, especially when heater is located at installing space end, is provided conveniently for the installation of Thermal Cutoffs component 30.Cause
This, is suitable for the application of narrow and small in inner spaces such as wall-breaking machines according to the Thermal Cutoffs component 30 of the utility model embodiment
Electrical equipment, remain able to ensure overtemperature protection performance in the case where being vertically arranged.
According to the wall-breaking machine 100 of the utility model embodiment, by using the Thermal Cutoffs component 30 of above-described embodiment,
Excellent overheat protective function can be realized in the case of existing internal structural space.
As shown in figure 1, according to one embodiment of the present utility model, base 10 is provided with motor 11 and coil panel 12, profit
It is that water in cup 20 or other objects heat with coil panel 12, homogeneous heating and power consumption is less, Thermal Cutoffs group
Part 30 is located on coil panel 12 and avoids the winding area of coil panel 12, as shown in figure 3, the inner circumferential of coil panel 12 is provided with clutch
13, the central axis of clutch 13 overlaps with the central axis of coil panel 12, Thermal Cutoffs component 30 be located at coil panel 12 with
Between clutch 13, and the centerline axis parallel of Thermal Cutoffs component 30 is in the central axis of coil panel 12.
According to said structure installation Thermal Cutoffs component 30, the occupancy that can reduce Thermal Cutoffs component 30 is empty
Between, and the temperature-sensitive portion 311 of Thermal Cutoffs component 30 and the food in cup 20 can be promoted to be conducted heat, be advantageous to be lifted
The overtemperature protection precision of Thermal Cutoffs component 30.
Further, as shown in Fig. 2 base 10 is provided with dividing plate 14, set between dividing plate 14 and Thermal Cutoffs component 30
There is support elastic component 15, one end (lower end as shown in Figure 2) of support elastic component 15 only supports dividing plate 14, supports the another of elastic component 15
Thermal Cutoffs component 30 is only supported in one end (upper end as shown in Figure 2), and support elastic component 15 is under elastic force effect by Temperature protection
The silk length of component 30 pushes cup 20 to, ensures that the temperature-sensitive portion 311 of Thermal Cutoffs component 30 is in close contact with cup 20, so as to promote
Heat is transferred to temperature-sensitive portion 311 from cup 20.
Some specific realities below with reference to Fig. 4-Fig. 5 descriptions according to the Thermal Cutoffs component 30 of the utility model embodiment
Apply example.
As shown in figure 4, according to a specific embodiment of the present utility model, open circuit protection component 35 includes：Star contact 351
With breaking elastic component 352, star contact 351 is located in conductive shell 31, cross sectional shape and the inner chamber of conductive shell 31 of star contact 351
Cross sectional shape it is roughly the same, and the central axis of star contact 351 overlaps with the central axis of conductive shell 31, star contact 351
Outer peripheral face contacted with the internal perisporium of conductive shell 31, and a side surface (downside surface as shown in Figure 4) for star contact 351 with
Second stitch 33 contacts, so as to ensure that the second stitch 33 is electrically connected with the first stitch 32 by star contact 351 and conductive shell 31,
Ensure the circuit communication and normal work of wall-breaking machine 100.
Wherein, breaking elastic component 352 is located in conductive shell 31, and star contact 351 is only supported in one end of breaking elastic component 352,
And push star contact 351 to thermosensitive part 34, that is to say, that breaking elastic component 352 is all the time by the second stitch 33 and the court of star contact 351
Push away in the opposite direction, when the temperature of thermosensitive part 34 reaches predetermined trip temperature, thermosensitive part 34 softens or melted or volume
Reduce, star contact 351 separates under the elastic force effect of breaking elastic component 352 with the second stitch 33, the second stitch 33 and First Line
Electrical connection between pin 32 disconnects.
Promote star contact 351 to depart from the second stitch 33 using breaking elastic component 352, and then realize to the circuit of wall-breaking machine 100
Disconnection, prevent wall-breaking machine 100 from causing to damage with the continuous rise of temperature, extend wall-breaking machine 100 or be mounted with Temperature protection
The service life of the other equipment of silk component 30.
Further, as shown in figure 4, the second stitch 33 is by being set in the insulated ring 331 and conductive shell of the second stitch 33
Body 31 is fixed, and specifically, the second stitch 33 is formed as the conductive pole coaxially arranged with conductive shell 31, the second stitch 33 it is outer
Insulated ring 331 is provided between the internal perisporium of perisporium and conductive shell 31, the periphery of insulated ring 331 is fixed with conductive shell 31 to be connected
Connect, the inner circumferential of insulated ring 331 is fixedly linked with the second stitch 33, and in certain embodiments, insulated ring 331 is made pottery using insulation
Porcelain is made, and thus the second stitch 33 is fixedly connected in conductive shell 31, and can effectively prevent the second stitch 33 with
The situation of series connection short circuit occurs between conductive shell 31, not only improves the stability of the second stitch 33, also improves temperature guarantor
The reliability of dangerous silk component 30.
As shown in figure 5, in the present embodiment, the outer peripheral face of the second stitch 33 is provided with along the second stitch 33 circumferentially simultaneously
Along the axially extending interior restriction groove of the second stitch 33, the inner peripheral surface of conductive shell 31 is provided with along conductive shell 31 circumferentially
And it is connected to the inner circumferential of conductive shell 31 along the axially extending outer stopper slot of conductive shell 31, the outer peripheral edge adaptation of insulated ring 331
In the outer stopper slot in face, the inner peripheral adaptation of insulated ring 331 is connected in the interior stopper slot of the outer peripheral face of the second stitch 33.
Thus, the connective stability between the second stitch 33 and conductive shell 31 is further improved, prevents the second stitch
33 occur relative motion with conductive shell 31, and improve the stitch 33 of insulated ring 331 and second to the open end of conductive shell 31
Sealing effect, be advantageous to be lifted the reliability of Thermal Cutoffs component 30.
As shown in figure 4, according to a specific embodiment of the present utility model, breaking elastic component 352 is formed as cut-out spring,
Breaking elastic component 352 is set on the second stitch 33, and breaking elastic component 352 and the second stitch 33 are arranged spaced apart, breaking bullet
Property part 352 one end only support star contact 351, the other end, which stops, supports insulated ring 331, and thus, breaking elastic component 352 can not only be in warm
Star contact 351 is promoted to be separated with the second stitch 33 after quick part 34 is heated, moreover it is possible to prevent the second stitch 33 from passing through breaking elastic component 352
Star contact 351 is contacted, and spring is readily available, and simple in construction, production cost is relatively low.
As shown in figure 4, according to an alternative embodiment of the present utility model, open circuit protection component 35 also includes：Connect bullet
Property part 353, connection elastic component 353 be located between thermosensitive part 34 and star contact 351, wherein, connection elastic component 353 both ends difference
Only abut and touch thermosensitive part 34 and star contact 351, and connect elastic component 353 and be in confined state, connect the elastic force of elastic component 353
Star contact 351 is often pushed to the direction of the second stitch 33, so as to ensure in thermosensitive part 34 between fusing or deformation, star contact
351 contact the second stitch 33 all the time, prevent the temperature caused by vibrations or other reasonses separate with the second stitch 33 of star contact 351 from protecting
The maloperation of dangerous silk component 30, and connection elastic component 353 can be lifted by increasing between the stitch 33 of star contact 351 and second
Contact stress, ensure good contact between star contact 351 and the second stitch 33.
Further, as shown in figure 4, connection elastic component 353 is formed as connecting spring, the both ends for connecting elastic component 353 are equal
Provided with pad 354, the upper end for connecting elastic component 353 is only abutted tactile thermosensitive part 34 by pad 354, connected under elastic component 353
End is only abutted by pad 354 and touches star contact 351, on the one hand, the structure of spring is relatively simple, and production cost is relatively low, can
The production cost of Thermal Cutoffs component 30 is reduced, on the other hand, by setting pad 354 at connection elastic component 353 both ends, is prevented
Only connection elastic component 353 directly extrudes thermosensitive part 34 and causes the damage of thermosensitive part 34, and can prevent that connecting elastic component 353 inclines
Tiltedly influence the normal work of Thermal Cutoffs component 30.
As shown in figure 4, in certain embodiments, a closing in the roof and bottom wall of conductive shell 31 is conductive
Another (bottom wall as shown in Figure 4) in the roof and bottom wall of housing 31 is provided with cable-through hole, and the second stitch 33 is along conductive shell
31 are extended axially downward and pass through cable-through hole, and the second stitch 33 is stretched out by cable-through hole from conductive shell 31, conductive shell
31 lower end is provided with seal head 312, and circumferentially extending of the seal head 312 along conductive shell 31 simultaneously closes cable-through hole.
As shown in figure 4, by setting cable-through hole in the lower end of conductive shell 31, stretch out for the second stitch 33 and connect circuit
Provide conveniently, furthermore, closing cable-through hole by seal head 312 prevents current or humid air from entering conductive shell 31 and influenceing temperature
Spend the normal work of fuse component 30.
In one embodiment of the present utility model, the cross-sectional area in temperature-sensitive portion 311 is substantially equal to the periphery of conductive shell 31
The area of edge profile, general control is in 7mm2-51mm2Within the scope of, the temperature-sensitive portion 311 in above-mentioned areal extent is ensureing to feel
On the premise of the warm normal induction of portion 311 heating temperature, the area of the outer peripheral edge profile of conductive shell 31 is reduced, and then favorably
In the space-consuming for reducing Thermal Cutoffs component 30, provided conveniently for the installation of Thermal Cutoffs component 30.
A specific embodiment below with reference to Fig. 1-Fig. 5 descriptions according to the wall-breaking machine 100 of the utility model embodiment.
As shown in figure 1, according to the wall-breaking machine 100 of the utility model one embodiment, including：Base 10, cup 20 and temperature
Fuse component 30 is spent, cup 20 is located on base 10, and base 10 is provided with dividing plate 14 and coil panel 12, Thermal Cutoffs component
30 are located between base 10 and cup 20, axial direction (as shown in Figure 1 above-below direction) of the Thermal Cutoffs component 30 along cup 20
Extension, the upper end of Thermal Cutoffs component 30 contacts with the lower surface of cup 20, between dividing plate 14 and Thermal Cutoffs component 30
Provided with support elastic component 15, and Thermal Cutoffs component 30 avoids the winding area of coil panel 12.
Wherein, Thermal Cutoffs component 30, including：Conductive shell 31, the first stitch 32, the second stitch 33, thermosensitive part 34
With open circuit protection component 35, one end closing other end of conductive shell 31 opens wide, and is arranged to temperature-sensitive in the closing of conductive shell 31
Portion 311, the cross-sectional area in temperature-sensitive portion 311 is 7mm2-51mm2, the first stitch 32 is connected with the outer peripheral face of conductive shell 31, and second
Stitch 33 stretches into the open end of conductive shell 31, is provided between the outer peripheral face of the second stitch 33 and the inner peripheral surface of conductive shell 31 exhausted
Edge circle 331, the inner circumferential of insulated ring 331 are adapted to clamping with inner circumferential of the periphery respectively with the periphery of the second stitch 33 and conductive shell 31,
Thermosensitive part 34 is located at the one end in neighbouring temperature-sensitive portion 311 in conductive shell 31, and open circuit protection component 35 is located at thermosensitive part 34 and second
Between circuit, open circuit protection component 35 includes：Star contact 351, breaking elastic component 352 and connect elastic component 353, breaking elastic component
352 are located between the second stitch 33 and star contact 351, and connection elastic component 353 is located between star contact 351 and thermosensitive part 34, even
The both ends of logical elastic component 353 are equipped with pad 354, and the open end of conductive shell 31 is provided with cable-through hole, and the second stitch 33 passed through
String holes simultaneously extends downwardly out conductive shell 31, and the bottom of conductive shell 31 is provided with the seal head 312 for being used for sealing cable-through hole.
As shown in figure 5, when the temperature of the lower surface of cup 20 is increased to predetermined trip temperature, the temperature-sensitive in conductive shell 31
Part 34 melts, and breaking elastic component 352 extends, and star contact 351 separates under elastic force effect with the second stitch 33, so as to disconnect first
Conducting relation between the stitch 33 of stitch 32 and second, wall-breaking machine 100 stop heating or stop heating and rotation simultaneously.
According to other compositions of the wall-breaking machine 100 of the utility model embodiment and operate for ordinary skill people
All it is known for member, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (12)
- A kind of 1. Thermal Cutoffs component, it is characterised in that including：Conductive shell, the conductive shell is vertically extending, and one in the roof and bottom wall of the conductive shell is formed Temperature-sensitive portion；First stitch, first stitch are located at outside the conductive shell and are connected with the side wall of the conductive shell；Second stitch, second stitch are located in the conductive shell and insulated between the conductive shell, and described second Stitch from the roof and bottom wall of the conductive shell another stretching；The thermosensitive part that volume is inversely proportional with temperature, the thermosensitive part are located in the conductive shell and contacted with the temperature-sensitive portion；Open circuit protection component, the open circuit protection component be located in the housing and respectively with the thermosensitive part and second line Pin contact, the temperature of the thermosensitive part when reaching predetermined trip temperature the open circuit protection component separated with second stitch.
- 2. Thermal Cutoffs component according to claim 1, it is characterised in that the open circuit protection component includes：Star contact, the star contact are located in the conductive shell and contacted with second stitch；Breaking elastic component, the breaking elastic component are located in the conductive shell and often push the star contact to the temperature-sensitive Part, the temperature of the thermosensitive part reach during the predetermined trip temperature star contact in the presence of the breaking elastic component with The second stitch separation.
- 3. Thermal Cutoffs component according to claim 2, it is characterised in that second stitch is described by being set in The insulated ring of second stitch is fixed with the conductive shell.
- 4. Thermal Cutoffs component according to claim 3, it is characterised in that the outer peripheral face of second stitch is provided with Interior restriction groove, the inner peripheral surface of the conductive shell are provided with outer stopper slot, and the insulated ring coordinates in the interior stopper slot and institute State in outer stopper slot.
- 5. Thermal Cutoffs component according to claim 3, it is characterised in that the breaking elastic component is spring and is arranged On second stitch, the star contact is only only supported in one end of the cut-out spring to the insulated ring and the other end.
- 6. Thermal Cutoffs component according to claim 2, it is characterised in that the open circuit protection component also includes：Elastic component is connected, the connection elastic component is compressed between the thermosensitive part and the star contact.
- 7. Thermal Cutoffs component according to claim 6, it is characterised in that the connection elastic component is spring, described Between connection elastic component and the thermosensitive part and described connect is respectively equipped with pad between elastic component and the star contact.
- 8. the Thermal Cutoffs component according to any one of claim 1-7, it is characterised in that the top of the conductive shell One closing in wall and bottom wall, another in the roof and bottom wall of the conductive shell are provided with cable-through hole, and described Two stitches stretch out from the cable-through hole and the conductive shell is provided with the seal head for being used for sealing the cable-through hole.
- 9. the Thermal Cutoffs component according to any one of claim 1-7, it is characterised in that the temperature-sensitive portion it is transversal Area is 7mm2-51mm2。
- A kind of 10. wall-breaking machine, it is characterised in that including：Base；Cup, the cup are located at the base；Thermal Cutoffs component according to any one of claim 1-9, the Thermal Cutoffs component are located at the bottom Seat and the temperature-sensitive portion contacted with the cup.
- 11. wall-breaking machine according to claim 10, it is characterised in that the base is provided with coil panel, and the temperature is protected Dangerous silk component is located on the coil panel and avoids the winding area of the coil panel.
- 12. wall-breaking machine according to claim 11, it is characterised in that the base is provided with dividing plate, is set on the dividing plate There is the support elastic component for the Thermal Cutoffs component often to be pushed to the cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770699.9U CN206849774U (en) | 2017-06-28 | 2017-06-28 | Thermal Cutoffs component and there is its wall-breaking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770699.9U CN206849774U (en) | 2017-06-28 | 2017-06-28 | Thermal Cutoffs component and there is its wall-breaking machine |
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| Publication Number | Publication Date |
|---|---|
| CN206849774U true CN206849774U (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720770699.9U Active CN206849774U (en) | 2017-06-28 | 2017-06-28 | Thermal Cutoffs component and there is its wall-breaking machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231481A (en) * | 2018-03-06 | 2018-06-29 | 珠海格力电器股份有限公司 | Insert-connecting plate and mainboard assembly |
| CN109148238A (en) * | 2017-06-28 | 2019-01-04 | 佛山市顺德区美的电热电器制造有限公司 | Thermal Cutoffs component and wall-breaking machine with it |
-
2017
- 2017-06-28 CN CN201720770699.9U patent/CN206849774U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148238A (en) * | 2017-06-28 | 2019-01-04 | 佛山市顺德区美的电热电器制造有限公司 | Thermal Cutoffs component and wall-breaking machine with it |
| CN108231481A (en) * | 2018-03-06 | 2018-06-29 | 珠海格力电器股份有限公司 | Insert-connecting plate and mainboard assembly |
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