CN201681763U - Overheat protection device of electric heating appliance - Google Patents
Overheat protection device of electric heating appliance Download PDFInfo
- Publication number
- CN201681763U CN201681763U CN2010201128762U CN201020112876U CN201681763U CN 201681763 U CN201681763 U CN 201681763U CN 2010201128762 U CN2010201128762 U CN 2010201128762U CN 201020112876 U CN201020112876 U CN 201020112876U CN 201681763 U CN201681763 U CN 201681763U
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- shell fragment
- flow
- rivet
- following
- electric heating
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Abstract
The utility model belongs to the technical field of electric heating appliances and relates to an overheat protection device of the electric heating appliance, comprising an upper elastic sheet, a lower elastic sheet, a ceramic ejector pin, an ejector pin guide ring plate, a ceramic ring and a tin ingot, wherein the front end of the upper elastic sheet and the front end of the lower elastic sheet are respectively used as a free end for electric contact, the back end of the upper elastic sheet is fixedly connected with a second wiring terminal, the back end of the lower elastic sheet is fixedly connected with a regulation contact piece of a temperature controller, both ends of an upper overcurrent piece are respectively and fixedly connected with both ends of the upper elastic sheet, the middle section of the upper overcurrent piece is separated with the middle section of the upper elastic sheet, both ends of a lower overcurrent piece are respectively and fixedly connected with both ends of the lower elastic sheet, and the middle section of the lower overcurrent piece is separated with the middle section of the lower elastic sheet. The utility model enhances the safety of the overheat protection device of the electric heating appliance, lowers the raw material cost and the processing cost thereof and reduces the energy consumption and pollution in the processing process.
Description
Technical field
The utility model belongs to the electric heating appliance technical field, particularly relates to a kind of overtemperature protection system of electric heating appliance.
Background technology
As shown in Figure 1, the overtemperature protection system of electric iron comprises substrate 18, the substrate rivet 19 of the upper end 1.1 of ceramic push rod 1, ceramic push rod, ceramic push rod guiding ring plate 2, adjusting rod 17, overtemperature protection system and the thermostat assembling of silver-plated shell fragment 31, the adjusting contact 16 of going up silver-plated shell fragment 91, first binding post 10, second binding post 11, porcelain ring 12, soleplate 13, block tin 14, block tin molten bath 15, thermostat, thermostat down.
Upward the front end of the front end of silver-plated shell fragment 91 and following silver-plated shell fragment 31 is respectively as the free end that electrically contacts.Fixedlying connected with second binding post 11 in the rear end of going up silver-plated shell fragment 91, fixedlys connected with the adjusting contact 16 of thermostat in the rear end of following silver-plated shell fragment 31.Porcelain ring 12 is set between the rear end of upper and lower silver-plated shell fragment, and porcelain ring 12 has four, is fixed on the substrate 18 by substrate rivet 19, and each metallic conductor is played the effect of insulation support compression.The upper end 1.1 of pottery push rod props up down the free end of silver-plated shell fragment 31, and the lower end of ceramic push rod 1 props up block tin 14.Upward the free-ended electric contact state of the free end of silver-plated shell fragment 91 and following silver-plated shell fragment 31 is by the State Control of ceramic push rod 1 and block tin 14.Thermostat wherein adopts prior art, and electric iron or electric heating appliance are played the temperature control effect, and overtemperature protection system plays the Temperature protection effect.
When the thermostat operate as normal, support ceramic push rod 1 by block tin 14, withstand down the free end of silver-plated shell fragment 31 by the upper end 1.1 of ceramic push rod, its free end with last silver-plated shell fragment 91 is contacted.First binding post 10 is connected with the heating wire or the electrothermal tube of electric heating appliance respectively with second binding post 11, controls the state that is switched on or switched off of second binding post 11 and first binding post 10 by thermostat, thereby controls the power on/off of heating wire or electrothermal tube.
When thermostat breaks down when binding post can not normally be disconnected; because the lasting heating of heating wire or electrothermal tube can make the temperature of iron plate 13 rise suddenly; when exceeding the melting temperature of block tin 14; block tin 14 can melt; top ceramic push rod 1 is descended; thereby the free end of the following silver-plated shell fragment 31 that the upper end 1.1 that makes ceramic push rod withstands is bent downwardly under the elastic force effect; it is disengaged with the free end of relative last silver-plated shell fragment 91; and then make second binding post 11 and first binding post 10 be in off-state; thereby make the heater outage, protection electric iron or electric heating appliance avoid Yin Gaowen to cause safety problem.
The silver layer of the thick about 14 μ m of electroplating surface that upward silver-plated shell fragment 91 and following silver-plated shell fragment 31 tie up to the steel shell fragment.If it is not silver-plated; then the temperature rise that produces by the 10A electric current time of the shell fragment of steel material will be above 200 ℃; ambient temperature during product work also can reach 150 ℃; therefore the high temperature that the state that works long hours produces will make the elasticity of shell fragment reduce; cause the reliability of overtemperature protection system to reduce; but the silver-plated cost of parts of overtemperature protection system that makes of shell fragment improves, and plating pollutes the environment.
The utility model content
The technical problems to be solved in the utility model is at the deficiencies in the prior art, to provide a kind of overtemperature protection system of electric heating appliance, the purpose of the fail safe of realization raising overtemperature protection system, reduction manufacturing cost and minimizing environmental pollution.
The technical problems to be solved in the utility model realizes by the following technical solutions:
A kind of overtemperature protection system of electric heating appliance; comprise shell fragment; following shell fragment; the pottery push rod; pottery push rod guiding ring plate; the porcelain ring; block tin; the front end of described upward shell fragment and the front end of following shell fragment are respectively as the free end that electrically contacts; fixedly connected with binding post in described rear end of going up shell fragment; fixedly connected with the adjusting contact of thermostat in the described rear end of shell fragment down; on described; the porcelain ring is set between the rear end of following shell fragment; the upper end of described ceramic push rod props up down the free end of shell fragment; the lower end of described ceramic push rod props up block tin, and the described free end of going up shell fragment electrically contacts by described ceramic push rod and block tin State Control with the free-ended of following shell fragment.
Described overtemperature protection system also comprised flow, descended flow, it is described that to go up flow in parallel with last shell fragment, the front end of going up flow is fixedlyed connected linkage with the front end of last shell fragment, going up the stage casing of flow and the stage casing layout separated from each other of last shell fragment, fixedlys connected with the rear end of last shell fragment in the rear end of going up flow; Describedly descended flow in parallel, descended the front end of flow to fixedly connected linkage with the front end of following shell fragment, descended the stage casing of flow and the stage casing layout separated from each other of following shell fragment, descended the rear end of flow to fixedly connected with the rear end of following shell fragment with following shell fragment.
The described bronze material that went up flow and descended flow employing 0.15-0.25mm thickness.
The described shell fragment of going up is high temperature resistant elastic metallic material with following shell fragment.
The described shell fragment of going up is the stainless steel elastomeric material of 0.25-0.35mm with following shell fragment employing thickness.
The described upper and lower front end of crossing flow is riveted joint with the mode of fixedlying connected of the front end of upper and lower shell fragment; In the connection the rivet of flow and last shell fragment front end be last rivet, the head of last rivet down, as the upper contact head that electrically contacts; The rivet that connects flow down and following shell fragment front end is to play rivet, the head of following rivet up, as the following contact that electrically contacts.
The described rivet of going up is copper rivet with following rivet.
The head of described upward rivet and the head surface of following rivet are silver-plated.
The end cap that matches at the upper end of the front end setting of described down shell fragment and described ceramic push rod.
Described end cap is fixed with described rivet down.
Compared with prior art, the utility model has improved the fail safe of the overtemperature protection system of electric heating appliance, has reduced raw material and cost of processing thereof, has reduced energy consumption and the pollution in the course of processing.
Description of drawings
Fig. 1 is a kind of thermostat of electric iron and normal operating conditions structural representation of overtemperature protection system of being used in the prior art;
Fig. 2 is the structural representation during an embodiment normal operating conditions in the utility model;
Fig. 3 is the A portion enlarged drawing of Fig. 2;
Structural representation when Fig. 4 is embodiment malfunction identical with Fig. 2 in the utility model;
Fig. 5 is the vertical view of Fig. 2.
Reference numeral:
1. the upper end 2. ceramic push rod guiding ring plates of ceramic push rod 1.1. pottery push rod
3. descend shell fragment 4. end caps 5. to descend 6. times contacts of flow
7. cross shell fragment in the flow 9. on the upper contact head 7.1. upper contact head rivet 8.
10. first binding post, 11. second binding posts, 12. porcelain rings, 13. iron plates
14. contact 17. thermostat adjusting rods are regulated in block tin 15. block tin molten baths 16.
18. silver-plated shell fragment on 31. times silver-plated shell fragments 91. of substrate 19. substrate rivets
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is elaborated.
Embodiment
Structural representation when Fig. 2 is the normal operating conditions of an embodiment of the present utility model.Its thermostat part is identical with Fig. 1, repeats no more.Difference is its overtemperature protection system part, referring to Fig. 3.
Fig. 3 is the A portion enlarged drawing of Fig. 2, comprise the upper end 1.1 of ceramic push rod 1, ceramic push rod, down shell fragment 3, end cap 4, descended flow 5, down contact 6, upper contact head 7, went up flow 8, last shell fragment 9.As shown in the figure, for fear of working long hours to the flexible influence of shell fragment owing to overcurrent produces high temperature, on following shell fragment 3, increased and descended flow 5, descended the two ends of flow 5 to fixedly connected with the two ends of following shell fragment 3 respectively, and descended the geomery of flow 5 and following shell fragment to be not quite similar, so that made flow 5 not to the activity generation constraint of shell fragment 3 down, descended flow 5 to adopt the less thin bronze material of resistance, to give full play to the effect of flow 5.In like manner, crossing flow 8 on having increased below last shell fragment 9, fixedlys connected with the two ends of last shell fragment 9 respectively in the two ends of going up flow 8.
Last shell fragment wherein and following shell fragment adopt the stainless steel shell fragment of 0.25-0.35mm thickness to make.Go up flow and descended flow to adopt the bronze flake of 0.15-0.25mm thickness to make, it is fixedlyed connected with the shell fragment front end and links with the shell fragment front end, because it much smaller than the stainless steel shell fragment, therefore can not have any constraint and influence to the action of shell fragment on thickness and elasticity.The more important thing is that the resistivity of copper sheet is much smaller than the stainless steel shell fragment, it makes the temperature rise that no longer produces overcurrent on the shell fragment with upper and lower stainless steel shell fragment in parallel, and can keep works long hours goes up reliable elasticity.Owing to replaced silver coating with copper flow excessively, cost of material reduced greatly.
Went up the front end of flow 8 and last shell fragment 9 front end, descended the front end of flow 5 to be riveted joint with the mode of fixedlying connected of the front end of following shell fragment 3; In the connection the rivet of flow 8 and last shell fragment 9 front ends be last rivet, the head of last rivet down, as the upper contact head 7 that electrically contacts; The rivet that connects flow 5 down and following shell fragment 3 front ends is to play rivet, the head of following rivet up, as the following contact 6 that electrically contacts.Good for guaranteeing to electrically contact function, the described rivet of going up adopts copper material to make with following rivet, is preferably in the rivet head electroplate.
At the end cap 4 that the upper end 1.1 of the front end setting of following shell fragment 3 and ceramic push rod 1 matches, the above-mentioned following rivet of end cap 4 usefulness reaches shell fragment 9 riveted and fixed down with descending flow 8.The link closely upper end 1.1 of ceramic push rod of the elasticity of shell fragments 3 down of relying on end cap 4 makes ceramic push rod 1 withstand down the front end of shell fragment 3 conscientiously, and make ceramic push rod 1 can not break away under shell fragment 3.
When the thermostat operate as normal, block tin 14 supports ceramic push rod 1, the upper end 1.1 jack-up end caps 4 by ceramic push rod and with the following shell fragment 3 of its riveted joint, descended the free end of flow 5 and contact 6 down, contact 6 is contacted with upper contact head 7.First binding post 10 is connected with the heating wire or the electrothermal tube of electric heating appliance respectively with second binding post 11, controls the state that is switched on or switched off of second binding post 11 and first binding post 10 by thermostat, thus the power on/off of control heater.
Structural representation when Fig. 4 is the malfunction of the foregoing description of the present utility model.When thermostat breaks down when first binding post 10 and second binding post 11 can not normally be disconnected, because the lasting heating of heater rises suddenly the temperature of iron plate 13, when exceeding the melting temperature of tin, block tin 14 can melt, ceramic push rod 1 above the block tin 14 is descended, thereby following shell fragment that the upper end 1.1 that makes ceramic push rod withstands 3 and the free end that descended flow 5, under the effect of shell fragment elastic force, be bent downwardly, contact 6 is disengaged with relative upper contact head 7, and then make second binding post 11 and first binding post 10 be in off-state, thereby make the heater outage.
Fig. 5 is the vertical view of Fig. 2, repeats no more.
In the technical solution of the utility model, adopted flow can reduce the working temperature of shell fragment greatly, improve the fail safe of overtemperature protection system, the silver-plated shell fragment of Cai Yonging is easy to processing and fabricating more compared to prior art, and the reduction material cost.Need explanation; the utility model is except being applied on the electric iron; also can be applied on other similar electric heating appliance; as being applied in as overtemperature protection system in the electric heating appliances such as Hua Fuji (folder cake machine), barbecue machine; block tin wherein is to be made by special eutectic ashbury metal, can select the block tin of different fusion temperatures (as 159 ℃, 240 ℃, 270 ℃, 315 ℃) as required for use.
Claims (9)
1. the overtemperature protection system of an electric heating appliance, comprise shell fragment, following shell fragment, the pottery push rod, pottery push rod guiding ring plate, the porcelain ring, block tin, the front end of described upward shell fragment and the front end of following shell fragment are respectively as the free end that electrically contacts, fixedly connected with binding post in described rear end of going up shell fragment, fixedly connected with the adjusting contact of thermostat in the described rear end of shell fragment down, on described, the porcelain ring is set between the rear end of following shell fragment, the upper end of described ceramic push rod props up down the free end of shell fragment, the lower end of described ceramic push rod props up block tin, and the described free end of going up shell fragment electrically contacts by described ceramic push rod and block tin State Control with the free-ended of following shell fragment;
It is characterized in that: described overtemperature protection system also comprised flow, descended flow, it is described that to go up flow in parallel with last shell fragment, the front end of going up flow is fixedlyed connected linkage with the front end of last shell fragment, going up the stage casing of flow and the stage casing layout separated from each other of last shell fragment, fixedlys connected with the rear end of last shell fragment in the rear end of going up flow; Describedly descended flow in parallel, descended the front end of flow to fixedly connected linkage with the front end of following shell fragment, descended the stage casing of flow and the stage casing layout separated from each other of following shell fragment, descended the rear end of flow to fixedly connected with the rear end of following shell fragment with following shell fragment.
2. the overtemperature protection system of electric heating appliance as claimed in claim 1 is characterized in that: described to go up flow and descended flow to adopt thickness be the bronze material of 0.15-0.25mm.
3. the overtemperature protection system of electric heating appliance as claimed in claim 1 is characterized in that: describedly go up shell fragment and following shell fragment is an elastic metallic material.
4. the overtemperature protection system of electric heating appliance as claimed in claim 3 is characterized in that: describedly go up shell fragment and following shell fragment employing thickness is the stainless steel elastomeric material of 0.25-0.35mm.
5. the overtemperature protection system of electric heating appliance as claimed in claim 1 is characterized in that: the mode of fixedlying connected of the described upper and lower front end of crossing flow and the front end of upper and lower shell fragment is for riveting; In the connection the rivet of flow and last shell fragment front end be last rivet, the head of last rivet down, as the upper contact head that electrically contacts; The rivet that connects flow down and following shell fragment front end is to play rivet, the head of following rivet up, as the following contact that electrically contacts.
6. the overtemperature protection system of electric heating appliance as claimed in claim 5 is characterized in that: describedly go up rivet and following rivet is copper rivet.
7. as the overtemperature protection system of claim 5 or 6 described electric heating appliances, it is characterized in that: the head of described upward rivet and the head surface of following rivet are silver-plated.
8. the overtemperature protection system of electric heating appliance as claimed in claim 1 is characterized in that: the end cap that matches at the upper end of the front end setting of described shell fragment down and described ceramic push rod.
9. the overtemperature protection system of electric heating appliance as claimed in claim 8 is characterized in that: described end cap is fixed with described rivet down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201128762U CN201681763U (en) | 2010-02-10 | 2010-02-10 | Overheat protection device of electric heating appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201128762U CN201681763U (en) | 2010-02-10 | 2010-02-10 | Overheat protection device of electric heating appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201681763U true CN201681763U (en) | 2010-12-22 |
Family
ID=43346799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201128762U Expired - Lifetime CN201681763U (en) | 2010-02-10 | 2010-02-10 | Overheat protection device of electric heating appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201681763U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133276A (en) * | 2014-05-30 | 2015-12-09 | 浙江家泰电器制造有限公司 | Temperature controller of electric iron |
| CN105177963A (en) * | 2014-05-30 | 2015-12-23 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
| CN105200753A (en) * | 2014-05-30 | 2015-12-30 | 浙江家泰电器制造有限公司 | Temperature controller for electric iron |
| CN105220433A (en) * | 2014-05-30 | 2016-01-06 | 浙江家泰电器制造有限公司 | A kind of electric iron temperature controller |
| CN105220432A (en) * | 2014-05-30 | 2016-01-06 | 浙江家泰电器制造有限公司 | A kind of electric iron temperature controller |
| CN105274824A (en) * | 2014-05-30 | 2016-01-27 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
| CN105297382A (en) * | 2014-05-30 | 2016-02-03 | 浙江家泰电器制造有限公司 | Temperature controller for electric iron |
| CN105297381A (en) * | 2014-05-30 | 2016-02-03 | 浙江家泰电器制造有限公司 | Temperature controller for electric iron |
| CN105316923A (en) * | 2014-05-30 | 2016-02-10 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
| CN107904906A (en) * | 2017-12-27 | 2018-04-13 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
-
2010
- 2010-02-10 CN CN2010201128762U patent/CN201681763U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297382A (en) * | 2014-05-30 | 2016-02-03 | 浙江家泰电器制造有限公司 | Temperature controller for electric iron |
| CN105177963A (en) * | 2014-05-30 | 2015-12-23 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
| CN105200753A (en) * | 2014-05-30 | 2015-12-30 | 浙江家泰电器制造有限公司 | Temperature controller for electric iron |
| CN105220433A (en) * | 2014-05-30 | 2016-01-06 | 浙江家泰电器制造有限公司 | A kind of electric iron temperature controller |
| CN105220432A (en) * | 2014-05-30 | 2016-01-06 | 浙江家泰电器制造有限公司 | A kind of electric iron temperature controller |
| CN105274824A (en) * | 2014-05-30 | 2016-01-27 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
| CN105133276A (en) * | 2014-05-30 | 2015-12-09 | 浙江家泰电器制造有限公司 | Temperature controller of electric iron |
| CN105297381A (en) * | 2014-05-30 | 2016-02-03 | 浙江家泰电器制造有限公司 | Temperature controller for electric iron |
| CN105316923A (en) * | 2014-05-30 | 2016-02-10 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
| CN105177963B (en) * | 2014-05-30 | 2017-06-23 | 浙江家泰电器制造有限公司 | A kind of electric iron temperature controller |
| CN105274824B (en) * | 2014-05-30 | 2017-07-11 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
| CN105133276B (en) * | 2014-05-30 | 2019-11-12 | 浙江家泰电器制造有限公司 | A kind of electric iron temperature controller |
| CN107904906A (en) * | 2017-12-27 | 2018-04-13 | 浙江家泰电器制造有限公司 | Electric iron temperature controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |