CN204632666U - The thermostat of tool insurance function - Google Patents
The thermostat of tool insurance function Download PDFInfo
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- CN204632666U CN204632666U CN201520237768.0U CN201520237768U CN204632666U CN 204632666 U CN204632666 U CN 204632666U CN 201520237768 U CN201520237768 U CN 201520237768U CN 204632666 U CN204632666 U CN 204632666U
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Abstract
The utility model discloses a kind of thermostat of tool insurance function, it comprises constant temperature mechanism, this constant temperature mechanism comprises crown cap, the insulating body be incorporated on crown cap, the bimetal leaf be engaged on crown cap, the insulation push rod leaned with bimetal leaf, the shell fragment that leans on by the push rod movable top that insulate, and the contact strip that coordinate movable with shell fragment, for two binding posts that circuit connects; Wherein be provided with insurance institution between constant temperature mechanism two-terminal, this insurance institution comprises insurance shell fragment and insulating knockout pin, insulating knockout pin one end and fusible material connect, and the other end connects with insurance shell fragment, and insurance shell fragment is series at by insulating knockout pin controls between two binding posts of constant temperature mechanism.The utility model by can not temperature adjustment thermostat insulating body on constant temperature mechanism and insurance institution are set simultaneously, thus implementation structure is compact, reliable in function, and be applicable to the thermostat of the tool insurance function on high-power electric appliance product, effectively meet the fail safe of high-power electric appliance product.
Description
Technical field
The utility model relates to a kind of thermoswitch device, refers to a kind of thermostat with insurance function especially.
Background technology
Thermostat is the safety component of electric equipment products indispensability, according to temperature arrange be divided into temp. controllable thermostat with can not temperature adjustment thermostat.And be usually applied to as the temp. controllable thermostat in the household appliances such as electric iron, all there are safeties, this temp. controllable thermostat arranges safeties, is by extended sheet metal between edge edge ring and terminal and the circuit turn-on of formative dynamics and disconnection relation.Visible this has the temp. controllable thermostat of safeties, and it is without the need to redesigning thermostat structure, and only original sheet metal need be relied on to carry out extension can realize.
The oriented high power development trend of current electric iron, then without the need to configuring temp. controllable thermostat, but directly adopt can not temperature adjustment thermostat, but for powerful electrical equipment, its temperature rise speed is fast, still needs to arrange safeties to thermostat and can ensure the fail safe that electrical equipment uses.Structure common on the market directly fuse and thermostat is combined, and this thermostat with fuse cannot be applicable to the fast high-power electric appliance of temperature rise speed because reaction speed is slow.
And how will be quick on the draw, it can not the thermostat of temperature adjustment be the reason of the utility model generation that safe and reliable melting cut off type safeties are incorporated into.
Utility model content
The purpose of this utility model is to provide a kind of thermostat of tool insurance function, its have fail safe good, be more suitable for high-power electric appliance, and compact conformation, reliable in function.
For achieving the above object, solution of the present utility model is:
A kind of thermostat of tool insurance function, it comprises constant temperature mechanism, this constant temperature mechanism comprises crown cap, the insulating body be incorporated on crown cap, the bimetal leaf be engaged on crown cap, the insulation push rod leaned with bimetal leaf, the shell fragment that leans on by the push rod movable top that insulate, and the contact strip that coordinate movable with shell fragment, two binding posts that can connect for circuit; Wherein: between constant temperature mechanism two-terminal, be provided with insurance institution, this insurance institution comprises insurance shell fragment and insulating knockout pin, insulating knockout pin one end and the fusible material be incorporated in electrical equipment heating plate connect, the other end connects with insurance shell fragment, and insurance shell fragment is series at by insulating knockout pin controls between two binding posts of constant temperature mechanism.
Described bimetal leaf is positioned at below insulating body to be located on crown cap, and insulation push rod is that activity is matched with in insulating body, and shell fragment is located at above insulation push rod.
Described insurance institution includes sheet of insuring further, described insurance shell fragment is fixed on above insulating body and coordinates with sheet activity of insuring, insulating body is fixation spring tab, contact strip and sheet of insuring on the same axis, and insulating knockout pin is the side being positioned at insulating body.
The position that described insurance shell fragment contacts with insulating knockout pin forms arc deduction cap.
The structure that described shell fragment is integrated with sheet of insuring, its nearly middle part is fixed on insulating body.
The position that described shell fragment contacts with both contact strips arranges silver coating contact.
Described sheet of insuring comprises one and contacts with insurance shell fragment the safety plate coordinated with contact strip terminal plate and on the same axis, and terminal plate and safety plate are arranged in the state with angle.
Described insurance shell fragment to stretch out a contact chip from arc deduction cap, and the corresponding contact chip in the end of safety plate extends and contacts with it.
The contact position of described contact chip and safety plate arranges silver coating contact respectively.
Described sheet of insuring directly forms binding post, and to insure shell fragment be a curved boom, and its bending place forms arc deduction cap, and folded end contacts with sheet of insuring.
Described fusible material is incorporated in the heating plate of electrical equipment.
Upright the connecing of described fusible mass is arranged on crown cap.
After adopting such scheme, the utility model will be by the thermostat of temperature adjustment carrying out the particular design of insulating body, arrange on insulating body by constant temperature mechanism and insurance institution simultaneously, and coordinate same crown cap, so that the insurance institution of Fuse Type is effectively combined on this thermostat, and then implementation structure is compact, reliable in function, and be applicable to the thermostat of the tool insurance function on high-power electric appliance product, effectively meet the fail safe of high-power electric appliance product.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment 1;
Fig. 2 is the structure vertical view of the utility model embodiment 1;
Fig. 3 A is the utility model embodiment 1 insurance institution, constant temperature mechanism conducting state cutaway view;
Fig. 3 B is the utility model embodiment 1 insurance institution, constant temperature mechanism conducting state end view;
Fig. 4 A is the conducting of the utility model embodiment 1 insurance institution, constant temperature mechanism off-state cutaway view;
Fig. 4 B is the conducting of the utility model embodiment 1 insurance institution, constant temperature mechanism off-state end view;
Fig. 5 A is the utility model embodiment 1 insurance institution, constant temperature mechanism off-state cutaway view;
Fig. 5 B is the utility model embodiment 1 insurance institution, constant temperature mechanism off-state end view;
Fig. 6 A is that the utility model embodiment 1 insurance institution disconnects, constant temperature mechanism conducting state cutaway view;
Fig. 6 B is that the utility model embodiment 1 insurance institution disconnects, constant temperature mechanism conducting state end view;
Fig. 7 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment 2;
Fig. 8 is the structure vertical view of the utility model embodiment 2;
Fig. 9 A is the utility model embodiment 2 insurance institution, constant temperature mechanism conducting state cutaway view;
Fig. 9 B is the utility model embodiment 2 insurance institution, constant temperature mechanism conducting state end view;
Figure 10 A is the conducting of the utility model embodiment 2 insurance institution, constant temperature mechanism off-state cutaway view;
Figure 10 B is the conducting of the utility model embodiment 2 insurance institution, constant temperature mechanism off-state end view;
Figure 11 A is that the utility model embodiment 2 insurance institution disconnects, constant temperature mechanism conducting state cutaway view;
Figure 11 B is that the utility model embodiment 2 insurance institution disconnects, constant temperature mechanism conducting state end view;
Figure 12 A is the utility model embodiment 2 insurance institution, constant temperature mechanism off-state cutaway view;
Figure 12 B is the utility model embodiment 2 insurance institution, constant temperature mechanism off-state end view;
Figure 13 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment 3;
Figure 14 is the structure vertical view of the utility model embodiment 3;
Figure 15 A is the utility model embodiment 3 insurance institution, constant temperature mechanism conducting state cutaway view;
Figure 15 B is the utility model embodiment 3 insurance institution, constant temperature mechanism conducting state end view;
Figure 16 A is the conducting of the utility model embodiment 3 insurance institution, constant temperature mechanism off-state cutaway view;
Figure 16 B is the conducting of the utility model embodiment 3 insurance institution, constant temperature mechanism off-state end view;
Figure 17 A is that the utility model embodiment 3 insurance institution disconnects, constant temperature mechanism conducting state cutaway view;
Figure 17 B is that the utility model embodiment 3 insurance institution disconnects, constant temperature mechanism conducting state end view;
Figure 18 A is the utility model embodiment 3 insurance institution, constant temperature mechanism off-state cutaway view;
Figure 18 B is the utility model embodiment 3 insurance institution, constant temperature mechanism off-state end view;
Figure 19 is the structure cutaway view of the utility model example 4.
Embodiment
Below in conjunction with accompanying drawing, detailed description is carried out to embodiment of the present utility model:
Coordinate shown in Fig. 1 to Figure 19, the utility model discloses a kind of thermostat of tool insurance function, it comprises constant temperature mechanism 3, this constant temperature mechanism 3 comprises crown cap 1, the insulating body 2 be incorporated on crown cap 1, the bimetal leaf 31 be engaged on crown cap 1, the insulation push rod 32 leaned with bimetal leaf 31, the shell fragment 33 that leans on by push rod 32 movable top that insulate, and the contact strip 34 that coordinate movable with shell fragment 33, two binding posts that can connect for circuit; The utility model key is: between constant temperature mechanism 3 two-terminal, be provided with insurance institution 4, this insurance institution 4 comprises insurance shell fragment 42 and insulating knockout pin 41, insulating knockout pin 41 one end and fusible material 5 connect, fusible material 5 in this enforcement is incorporated in electrical equipment heating plate, the other end connects with insurance shell fragment 42, and insurance shell fragment 42 controls by insulating knockout pin 41 and is series between two binding posts of constant temperature mechanism 3.
Embodiment is attached to above electrical equipment heating plate for the thermostat of tool insurance function and is described herein:
Described constant temperature mechanism 3 comprises one and to be located on aluminium lid 1 and the bimetal leaf 31 be positioned at below insulating body 2, one to be arranged in above bimetal leaf 31 and activity is matched with the insulation push rod 32 of insulating body 2, one is located at the shell fragment 33 above insulation push rod 32, and the contact strip 34 that coordinate movable with shell fragment 33, contact strip 34 can be formed directly in binding post, and shell fragment 33 and contact strip 34 are separately fixed at the top of insulating body 2.
Described insurance institution 4 comprises the insulating knockout pin 41 that passes crown cap 1, one sheet 43 of insuring being fixed on the insurance shell fragment 42 above described insulating body 1 and coordinating with the activity of insurance shell fragment 42 held by insulating knockout pin 41, this sheet 43 of insuring can be formed directly in binding post, and the bottom of insulating knockout pin 41 is fusible material 5.
The structure that described shell fragment 33 can be integrated with sheet 43 of insuring, its nearly middle part is fixed on insulating body 2.
Described insulating body 2, insulation push rod 32 can adopt ceramic material with insulating knockout pin 41.
Described crown cap 1 can adopt aluminium material, and the perforation 12 which is provided with lockhole 11, supplying insulating knockout pin 41 to pass and cooperation bimetallic belong to the card 13 of sheet 31 and insulating body 2.
Described insulating body 2 is a matrix, and it is fixation spring tab 33, contact strip 34 and sheet 43 of insuring on the same axis, and insulating knockout pin 41 is the sides being positioned at insulating body 2.
The thermostat embodiment 1 of the utility model tool insurance function as shown in Fig. 1 to Fig. 6 B, shell fragment 33 wherein forms the folding arm form with angle with insurance shell fragment 42, the stiff end of the two utilizes same rivet to be fixed on insulating body 2, and the position that shell fragment 33 contacts with both contact strips 34 arranges silver coating contact 331,341; And insure the position that shell fragment 42 contacts with insulating knockout pin 1 and form arc deduction cap 421, to ensure the stationarity that insulating knockout pin 41 holds with insurance shell fragment 42; Sheet 43 of insuring comprises one and contacts with insurance shell fragment 42 safety plate 432 coordinated with contact strip 34 terminal plate 431 and on the same axis, terminal plate 431 is also utilize same rivet to be fixed on insulating body 2 with the stiff end of safety plate 432, terminal plate 431 and safety plate 432 are arranged in the state with angle herein, and the arc deduction cap 421 insuring shell fragment 42 is formed with safety plate 432 and contacts.
As shown in Fig. 3 A, 3B, during normality, the insulating knockout pin 41 of insurance institution 4 holds insurance shell fragment 42, makes itself and sheet 43 of insuring for contacting conducting state; The shell fragment 33 of constant temperature mechanism 3 is with contact strip 34 also for contacting conducting state, and insulation push rod 32 is disengaged position with shell fragment 33.
As shown in Fig. 4 A, 4B, when electrical equipment energising reaches rated temperature, bimetal leaf 31 temperature distortion of constant temperature mechanism 3, pushing tow insulation push rod 32 upwards action departs from the contact with contact strip 34 to promote shell fragment 33, now insurance institution 4 is conducting state, and constant temperature mechanism 3 is off state.
As shown in Fig. 5 A to Fig. 6 B, work as electric apparatus temperature rise, and constant temperature mechanism 3 malfunctioning in off-state or contact condition time, along with the rising of temperature, during overflow fixed temperature, fusible material 5 bottom insulating knockout pin 41 starts fusing, support then bottom insulating knockout pin 41 just can lose, it moves down with gravity, now insulating knockout pin 41 loses the bearing force to insurance shell fragment 42 upwards safety plate 43, insurance shell fragment 42 departs from the contact with sheet 43 of insuring under the restoring force effect of self-deformation, thus cut off circuit by force, play the effect of insurance, prevent electric equipment products from continuing rise and cause danger.
The thermostat embodiment 2 of the utility model tool insurance function as shown in Fig. 7 to Figure 12 B, insure shell fragment 42 as different from Example 1 to stretch out a contact chip 422 from arc deduction cap 421, and the corresponding contact chip in the end of safety plate 432 extends, contact chip 422 arranges silver coating contact 4221,4321 respectively with the contact position of safety plate 432.
As shown in Fig. 9 A, 9B, during normality, the insulating knockout pin 41 of insurance institution 4 holds insurance shell fragment 42, makes itself and sheet 43 of insuring for contacting conducting state; The shell fragment 33 of constant temperature mechanism 3 is with contact strip 34 also for contacting conducting state, and insulation push rod 32 is disengaged position with shell fragment 33.
As shown in Figure 10 A, 10B, when electrical equipment energising reaches rated temperature, bimetal leaf 31 temperature distortion of constant temperature mechanism 3, pushing tow insulation push rod 32 upwards action departs from the contact with contact strip 34 to promote shell fragment 33, now insurance institution 4 is conducting state, and constant temperature mechanism 3 is off state.
As shown in Figure 11 A to Figure 12 B, work as electric apparatus temperature rise, and constant temperature mechanism 3 malfunctioning in off-state or contact condition time, along with the rising of temperature, during overflow fixed temperature, fusible material 5 bottom insulating knockout pin 41 starts fusing, support then bottom insulating knockout pin 41 just can lose, it moves down with gravity, now insulating knockout pin 41 loses the bearing force to insurance shell fragment 42 upwards safety plate 43, insurance shell fragment 42 departs from the contact with sheet 43 of insuring under the restoring force effect of self-deformation, thus cut off circuit by force, play the effect of insurance, prevent electric equipment products from continuing rise and cause danger.
The thermostat embodiment 3 of the utility model tool insurance function as shown in Figure 13 to Figure 18 B, as different from Example 1: sheet 43 of insuring directly forms binding post, and to insure shell fragment 42 be a curved boom, its bending place forms arc deduction cap 421, and folded end 423 contacts with sheet 43 of insuring, the contact position of the two is respectively equipped with silver coating contact 4231,4311.
As shown in Figure 15 A, 15B, during normality, the insulating knockout pin 41 of insurance institution 4 holds insurance shell fragment 42, makes itself and sheet 43 of insuring for contacting conducting state; The shell fragment 33 of constant temperature mechanism 3 is with contact strip 34 also for contacting conducting state, and insulation push rod 32 is disengaged position with shell fragment 33.
As shown in Figure 16 A, 16B, when electrical equipment energising reaches rated temperature, bimetal leaf 31 temperature distortion of constant temperature mechanism 3, pushing tow insulation push rod 32 upwards action departs from the contact with contact strip 34 to promote shell fragment 33, now insurance institution 4 is conducting state, and constant temperature mechanism 3 is off state.
As shown in Figure 17 A to Figure 18 B, work as electric apparatus temperature rise, and constant temperature mechanism 3 malfunctioning in off-state or contact condition time, along with the rising of temperature, during overflow fixed temperature, fusible material 5 bottom insulating knockout pin 41 starts fusing, support then bottom insulating knockout pin 41 just can lose, it moves down with gravity, now insulating knockout pin 41 loses the bearing force to insurance shell fragment 42 upwards safety plate 43, insurance shell fragment 42 departs from the contact with sheet 43 of insuring under the restoring force effect of self-deformation, thus cut off circuit by force, play the effect of insurance, prevent electric equipment products from continuing rise and cause danger.
As shown in figure 19, the fusible material 5 leaned for insulating knockout pin 41 in insurance institution 4 also can directly be arranged on crown cap 1, then crown cap 1 is arranged the heavy seat 14 placed for fusible material 5, can realize its insurance function so equally.
In sum, the utility model will be by the thermostat of temperature adjustment carrying out the particular design of insulating body 2, arrange on insulating body 2 by constant temperature mechanism 3 with insurance institution 4 simultaneously, and coordinate same crown cap 1, so that the insurance institution 4 of Fuse Type is effectively combined on this thermostat, and then implementation structure is compact, reliable in function, and be applicable to the thermostat of the tool insurance function on high-power electric appliance product, effectively meet the fail safe of high-power electric appliance product.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (12)
1. the thermostat of a tool insurance function, it comprises constant temperature mechanism, this constant temperature mechanism comprises crown cap, the insulating body be incorporated on crown cap, the bimetal leaf be engaged on crown cap, the insulation push rod leaned with bimetal leaf, the shell fragment that leans on by the push rod movable top that insulate, and the contact strip that coordinate movable with shell fragment, two binding posts that can connect for circuit; It is characterized in that: between constant temperature mechanism two-terminal, be provided with insurance institution, this insurance institution comprises insurance shell fragment and insulating knockout pin, insulating knockout pin one end and fusible material connect, the other end connects with insurance shell fragment, and insurance shell fragment is series at by insulating knockout pin controls between two binding posts of constant temperature mechanism.
2. the thermostat of tool insurance function as claimed in claim 1, is characterized in that: described bimetal leaf is positioned at below insulating body to be located on crown cap, and insulation push rod is that activity is matched with in insulating body, and shell fragment is located at above insulation push rod.
3. the thermostat of tool insurance function as claimed in claim 2, it is characterized in that: described insurance institution includes sheet of insuring further, described insurance shell fragment is fixed on above insulating body and coordinates with sheet activity of insuring, insulating body is fixation spring tab, contact strip and sheet of insuring on the same axis, and insulating knockout pin is the side being positioned at insulating body.
4. the thermostat of tool insurance function as claimed in claim 1, is characterized in that: the position that described insurance shell fragment contacts with insulating knockout pin forms arc deduction cap.
5. the thermostat of tool insurance function as claimed in claim 3, is characterized in that: the structure that described shell fragment is integrated with sheet of insuring, and its nearly middle part is fixed on insulating body.
6. the thermostat of tool insurance function as claimed in claim 1, is characterized in that: the position that described shell fragment contacts with both contact strips arranges silver coating contact.
7. the thermostat of tool insurance function as claimed in claim 3, it is characterized in that: described in sheet of insuring comprise one and contact with insurance shell fragment the safety plate coordinated with contact strip terminal plate on the same axis and one, terminal plate and safety plate are arranged in the state with angle.
8. the thermostat of tool insurance function as claimed in claim 7, is characterized in that: described insurance shell fragment to stretch out a contact chip from arc deduction cap, and the corresponding contact chip in the end of safety plate extends and contacts with it.
9. the thermostat of tool insurance function as claimed in claim 7, is characterized in that: the contact position of described contact chip and safety plate arranges silver coating contact respectively.
10. the thermostat of tool insurance function as claimed in claim 3, is characterized in that: described in sheet of insuring directly form binding post, and to insure shell fragment be a curved boom, and its bending place forms arc deduction cap, and folded end contacts with sheet of insuring.
The thermostat of 11. tool insurance functions as claimed in claim 1, is characterized in that: described fusible material is incorporated in the heating plate of electrical equipment.
The thermostat of 12. tool insurance functions as claimed in claim 1, is characterized in that: upright the connecing of described fusible mass is arranged on crown cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237768.0U CN204632666U (en) | 2015-04-20 | 2015-04-20 | The thermostat of tool insurance function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237768.0U CN204632666U (en) | 2015-04-20 | 2015-04-20 | The thermostat of tool insurance function |
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| CN204632666U true CN204632666U (en) | 2015-09-09 |
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| CN201520237768.0U Active CN204632666U (en) | 2015-04-20 | 2015-04-20 | The thermostat of tool insurance function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821256A (en) * | 2015-04-20 | 2015-08-05 | 厦门升明电子有限公司 | Thermostat having safety function |
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2015
- 2015-04-20 CN CN201520237768.0U patent/CN204632666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821256A (en) * | 2015-04-20 | 2015-08-05 | 厦门升明电子有限公司 | Thermostat having safety function |
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