CN205107577U - Heating pipe anti dry burning device and have device's dish washer - Google Patents
Heating pipe anti dry burning device and have device's dish washer Download PDFInfo
- Publication number
- CN205107577U CN205107577U CN201520685974.8U CN201520685974U CN205107577U CN 205107577 U CN205107577 U CN 205107577U CN 201520685974 U CN201520685974 U CN 201520685974U CN 205107577 U CN205107577 U CN 205107577U
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- Prior art keywords
- outward flange
- heating tube
- pressure
- seal cover
- bayonet socket
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Abstract
The utility model discloses a heating pipe anti dry burning device, connect micro -gap switch including heating pipe and electricity with it, the last trigger block that is equipped with of micro -gap switch, the top that is located trigger block is provided with elasticity pressure -containing parts, and elasticity pressure -containing parts is provided with the center and presses the piece. Still disclose a dish washer, including heating pipe anti dry burning device and water tank, anti dry burning device installs on the water tank through sealed lid. This the heating pipe anti dry burning device simple structure who provides, low cost can prolong the life of heating pipe effectively.
Description
Technical field
The utility model belongs to household electrical appliance technical field, particularly relates to a kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry.
Background technology
As everyone knows, dish-washing machine is the equipment automatically cleaning the tablewares such as bowl, chopsticks, dish, dish, cutter, fork.For the kitchen in dining room, hotel, institutional settings dining room alleviates labour intensity, improve operating efficiency, promote sanitation and hygiene.Along with raising dish-washing machine also the entering in average family gradually of people's living standard.Fast water is heated by heating tube in dish-washing machine, when water obtains uniform temperature, the article that will clean are sprayed, be used for washing with secondary system.Wherein heating tube meeting dry combustion method after burning down when water; the commercial dish-washing machine produced in domestic and international same neighborhood at present; prevent the method for heating tube dry combustion method from having two kinds: one is installation insurance silk in heating tube; another kind installs thermal protector outward at heating tube, its shortcoming be damage heating tube or reduce the heating tube life-span be cost.
The existing heating tube just used in dish-washing machine at present, uses and also there is many deficiencies, be embodied in:
(1) nowadays heating wire and heating tube are integral type, once damage one of them, need whole replacing, greatly can improve use cost like this;
(2) overheated heater dry combustion method also can produce potential safety hazard;
(3) two kinds of solutions are had for first, second kind of effect: a kind of is installation insurance silk in heating tube; another kind installs thermal protector outward at heating tube, but the shortcoming of these two kinds of methods be damage heating tube or reduce the heating tube life-span be cost.
Have again, CN201010147630 discloses a kind of synthesis sensor and the electric kettle with this synthesis sensor, a kind of synthesis sensor, comprise heat conduction shell, the first lead-in wire, second goes between and can be used for the thermistor of detection water temperature, above-mentioned thermistor is fixedly located in heat conduction shell by heat-conducting glue, above-mentioned heat conduction shell is provided with a level sensing unit, above-mentioned level sensing unit is made up of two separate conductive contacts, and above-mentioned first lead-in wire, thermistor, level sensing unit and the second lead-in wire are sequentially connected in series.Although this technical scheme can solve heating tube life-span not enough problem to a certain extent, but rely on the electric conductivity of water itself during its sensed water level, but water is the non-conductor of electricity, often need to rely on ionogen in water to strengthen electric conductivity, but ionogen increase and affect service life of water quality and electrical equipment conversely.
Utility model content
For the problems referred to above that prior art exists, the purpose of this utility model is a kind of method providing heating tube anti-dry burning device, dish-washing machine and anti-dry.
The utility model provides a kind of heating tube anti-dry burning device, comprise heating tube and electrical connection microswitch for controlling its opening and closing with it, described microswitch is fastened in holder, described holder is also connected with seal cover, described microswitch is provided with triggering block, described triggering block is stretched out from the accommodating cavity be arranged in holder, the top being positioned at described triggering block is provided with elasticity pressure part, described elasticity pressure part is provided with center and presses block, and the symmetrical centre pressing block with described center is provided with pressure amplifying ring along its edge for pivot;
Described pressure amplifying ring is provided with linking arm and pressure contact, one end and the center of described linking arm press block and are connected, the junction that described linking arm and center press block is provided with the first evagination arc angle and the first indent corner, the protrusion direction of described first evagination arc angle is the side near seal cover, the other end of described linking arm is connected with pressure contact, the junction of described linking arm and pressure contact is provided with the second indent arc angle and the second evagination arc angle, the depression direction of described second indent arc angle is contrary with the protrusion direction of the first evagination arc angle, described first evagination arc angle and the second indent arc angle are all positioned at pressure amplifying ring near the side of seal cover and a smooth-sided compression candles of both and linking arm is connected to form liquid pressure-bearing surface, described first indent corner and the second evagination arc angle are all positioned at pressure amplifying ring near the side of holder and another side of both and linking arm is connected to form inner support face, described pressure contact is provided with front contact and rear contact, described front contact is provided with arc-shaped outer surface, described rear contact is provided with an arc-shaped outer surface and a flat external surface, the arc-shaped outer surface of the side of the close seal cover of described front contact and the arc-shaped outer surface of rear contact are all entrenched in the arc groove that is arranged on seal cover, the arc-shaped outer surface of the side of the close holder of described front contact and the flat external surface of rear contact respectively be arranged on the front re-entrant angle of holder and touch platform and rear straight tactile platform contacts,
The side of described pressure amplifying ring contacts with holder, the opposite side of described pressure amplifying ring contacts with seal cover, a pressure chamber entered for outside liquid with opening is formed between described seal cover and elasticity pressure part, described center presses block and is arranged in the below of pressure chamber for bearing the pressure entering pressure chamber liquid, and when in pressure chamber, the pressure of liquid changes, center presses the control coming in contact between block and the triggering block on microswitch or be separated and realize heating tube opening and closing.
In this programme, born the change of fluid pressure by elasticity pressure part, and then the triggering block making its compressing or loosen on microswitch, realize the control to microswitch opening and closing, thus realize the control to the heating tube beginning.Simultaneously by the vibrational power flow of pressure amplifying ring, make pressure block its amplitude of deformation when receiving the pressure of liquid in center comparatively large, sensitiveness is improved.Turn improve elasticity pressure part resistance to overturning simultaneously, when pressure is changed, there is higher stability, not easily occur the situations such as skew, improve overall service life.
Preferably, described heating tube is provided with heating tube body, is provided with electrical heating wire in described heating tube body, and described heating tube body is externally connected with heating tube base plate for sealed electrical heater strip.
Preferably, the two ends of described electrical heating wire are connected to two wires, and two described wires are connected to power on inserted sheet and lower electric mortiser sheet respectively, described in power on inserted sheet and lower electric mortiser sheet be arranged on microswitch.
Preferably, described holder is provided with bayonet socket, described seal cover is provided with projection, and when described seal cover is connected with holder, described projection is inserted in bayonet socket; Described projection is provided with the first crowning, the second oblique crowning and the 3rd crowning, described bayonet socket is provided with the first bayonet socket face, the second oblique bayonet socket face and the 3rd bayonet socket face, when described projection is inserted in bayonet socket, described first crowning, the second oblique crowning and the 3rd crowning fit to be formed with the first bayonet socket face, the second oblique bayonet socket face and the 3rd bayonet socket face respectively and locate.
Preferably, described seal cover is provided with the first outward flange, second outward flange, 3rd outward flange and the 4th outward flange, the diameter of described first outward flange is greater than the diameter of the second outward flange, the junction of described first outward flange and the second outward flange forms first step and leans on, the diameter of described second outward flange is less than the diameter of the 3rd outward flange, the junction of described second outward flange and the 3rd outward flange forms second step and leans on, the diameter of described 3rd outward flange is less than the diameter of the 4th outward flange, the junction of described 3rd outward flange and the 4th outward flange forms the 3rd step and leans on.
Preferably, be positioned at described seal cover and be provided with the first inner stopper, the second oblique inner stopper and the 3rd inner stopper, the junction of described first inner stopper and the second oblique inner stopper forms step in first, and the gradient of the described second oblique inner stopper is 15-60 °.
The utility model additionally provides a kind of dish-washing machine, and comprise as above arbitrary shown heating tube anti-dry burning device and water tank, described anti-dry burning device is arranged on water tank by seal cover.
In sum, the utility model has the following advantages:
This heating tube anti-dry burning device structure provided is simple, with low cost, effectively can extend the service life of heating tube, sensitivity when water level reaches critical point is higher, stability when simultaneously also improving use and accuracy, reduce greatly to the dependence of external condition.Make dish-washing machine in use, electric heating tube is protected preferably.
Accompanying drawing explanation
Fig. 1 is the structural representation of heating tube anti-dry burning device in the utility model embodiment;
Fig. 2 is the structural representation of microswitch in Fig. 1, holder, elasticity pressure part and seal cover;
Fig. 3 is the structural representation of seal cover in Fig. 1;
Fig. 4 is the structural representation of Fig. 1 Elastic pressure part;
Fig. 5 is the structural representation of microswitch and holder in Fig. 1;
Fig. 6 is the exploded perspective view of Fig. 2;
Fig. 7 is the structural representation of dish-washing machine in the utility model embodiment.
Detailed description of the invention
Do to illustrate in detail, intactly further to the utility model below in conjunction with embodiment and accompanying drawing.
As shown in figs. 1-7, a kind of dish-washing machine, comprise heating tube anti-dry burning device and water tank 6, described anti-dry burning device is arranged on water tank 6 by seal cover 4.Described heating tube anti-dry burning device, comprise heating tube 1 and electrical connection microswitch 2 for controlling its opening and closing with it, described microswitch 2 is fastened in holder 3, described holder 3 is also connected with seal cover 4, described microswitch 2 is provided with triggering block 21, described triggering block 21 is stretched out from the accommodating cavity be arranged in holder 3, the top being positioned at described triggering block 21 is provided with elasticity pressure part 5, described elasticity pressure part 5 is provided with center and presses block 51, the symmetrical centre pressing block 51 with described center is provided with pressure amplifying ring 52 along its edge for pivot.
Described pressure amplifying ring 52 is provided with linking arm 521 and pressure contact 522, one end and the center of described linking arm 521 press block 51 and are connected, the junction that described linking arm 51 and center press block 51 is provided with the first evagination arc angle 523 and the first indent corner 524, the protrusion direction of described first evagination arc angle 523 is the side near seal cover 4, the other end of described linking arm 51 is connected with pressure contact 522, described linking arm 51 is provided with the second indent arc angle 525 and the second evagination arc angle 526 with the junction of pressure contact 522, the depression direction of described second indent arc angle 525 is contrary with the protrusion direction of the first evagination arc angle 526, described first evagination arc angle 523 and the second indent arc angle 525 are all positioned at pressure amplifying ring 52 near the side of seal cover 4 and a smooth-sided compression candles of both and linking arm 521 is connected to form liquid pressure-bearing surface 527, described first indent corner 524 and the second evagination arc angle 526 are all positioned at pressure amplifying ring 52 near the side of holder 3 and another side of both and linking arm 521 is connected to form inner support face 528, described pressure contact 522 is provided with front contact 5221 and rear contact 5222, described front contact 5222 is provided with arc-shaped outer surface, described rear contact 5222 is provided with an arc-shaped outer surface and a flat external surface, the arc-shaped outer surface of the side of the close seal cover 4 of described front contact 5221 and the arc-shaped outer surface of rear contact 5222 are all entrenched in the arc groove 41 that is arranged on seal cover 4, the arc-shaped outer surface of the side of the close holder 3 of described front contact 5221 and the flat external surface of rear contact 5222 respectively be arranged on the front re-entrant angle of holder 3 and touch platform 31 and rear straight tactile platform 32 contacts.
The side of described pressure amplifying ring 52 contacts with holder 3, the opposite side of described pressure amplifying ring 52 contacts with seal cover 4, a pressure chamber 42 entered for outside liquid with opening is formed between described seal cover 4 and elasticity pressure part 5, described center presses block 51 and is arranged in the below of pressure chamber 42 for bearing the pressure entering pressure chamber 42 liquid, and when in pressure chamber 42, the pressure of liquid changes, center presses and to come in contact between block 51 and the triggering block 21 on microswitch 2 or to be separated the control realized heating tube 1 opening and closing.
Preferably scheme, described heating tube 1 is provided with heating tube body 11, is provided with electrical heating wire 12 in described heating tube body, and described heating tube body 11 is externally connected with heating tube base plate 13 for sealed electrical heater strip 12.The two ends of described electrical heating wire 12 are connected to two wires 14, and two described wires 14 are connected to power on inserted sheet 22 and lower electric mortiser sheet 23 respectively, described in power on inserted sheet 22 and lower electric mortiser sheet 23 be arranged on microswitch 2.
Preferably scheme, described holder 3 is provided with bayonet socket 33, and described seal cover 4 is provided with protruding 43, and when described seal cover 4 is connected with holder 3, described protruding 43 are inserted in bayonet socket 33; Described protruding 43 are provided with the oblique crowning 432 of the first crowning 431, second and the 3rd crowning 433, described bayonet socket 33 is provided with the first oblique bayonet socket face 332, bayonet socket face 331, second and the 3rd bayonet socket face 333, when described protruding 43 are inserted in bayonet socket 33, the oblique crowning 432 of described first crowning 431, second and the 3rd crowning 433 fit to be formed with the first oblique bayonet socket face 332, bayonet socket face 331, second and the 3rd bayonet socket face 333 respectively and locate.
Preferably scheme, described seal cover 4 is provided with the first outward flange 44, second outward flange 45, 3rd outward flange 46 and the 4th outward flange 47, the diameter of described first outward flange 44 is greater than the diameter of the second outward flange 45, the junction of described first outward flange 44 and the second outward flange 45 forms first step by 441, the diameter of described second outward flange 45 is less than the diameter of the 3rd outward flange 46, the junction of described second outward flange 45 and the 3rd outward flange 46 forms second step by 451, the diameter of described 3rd outward flange 46 is less than the diameter of the 4th outward flange 47, the junction of described 3rd outward flange 46 and the 4th outward flange 47 forms the 3rd step by 461.
Preferably scheme, be positioned at described seal cover 4 and be provided with the oblique inner stopper 49 of the first inner stopper 48, second and the 3rd inner stopper 40, the junction of described first inner stopper 48 and the second oblique inner stopper 49 forms step 481 in first, and the gradient of the described second oblique inner stopper 49 is 15 ° or 20 ° or 30 ° or 40 ° or 45 ° or 59 ° or 60 °.
The utility model above-described embodiment is only the use that technical solutions of the utility model are described simultaneously, is only enumerating of technical solutions of the utility model, is not limited to the technical solution of the utility model and protection domain thereof.Equivalent technologies means, equivalent apparatus etc. is adopted to be considered to be to the improvement of the technical scheme disclosed in the utility model claims and description the scope do not exceeded disclosed in the utility model claims and description.
Claims (7)
1. a heating tube anti-dry burning device, it is characterized in that, comprise heating tube and electrical connection microswitch for controlling its opening and closing with it, described microswitch is fastened in holder, described holder is also connected with seal cover, described microswitch is provided with triggering block, described triggering block is stretched out from the accommodating cavity be arranged in holder, the top being positioned at described triggering block is provided with elasticity pressure part, described elasticity pressure part is provided with center and presses block, and the symmetrical centre pressing block with described center is provided with pressure amplifying ring along its edge for pivot;
Described pressure amplifying ring is provided with linking arm and pressure contact, one end and the center of described linking arm press block and are connected, the junction that described linking arm and center press block is provided with the first evagination arc angle and the first indent corner, the protrusion direction of described first evagination arc angle is the side near seal cover, the other end of described linking arm is connected with pressure contact, the junction of described linking arm and pressure contact is provided with the second indent arc angle and the second evagination arc angle, the depression direction of described second indent arc angle is contrary with the protrusion direction of the first evagination arc angle, described first evagination arc angle and the second indent arc angle are all positioned at pressure amplifying ring near the side of seal cover and a smooth-sided compression candles of both and linking arm is connected to form liquid pressure-bearing surface, described first indent corner and the second evagination arc angle are all positioned at pressure amplifying ring near the side of holder and another side of both and linking arm is connected to form inner support face, described pressure contact is provided with front contact and rear contact, described front contact is provided with arc-shaped outer surface, described rear contact is provided with an arc-shaped outer surface and a flat external surface, the arc-shaped outer surface of the side of the close seal cover of described front contact and the arc-shaped outer surface of rear contact are all entrenched in the arc groove that is arranged on seal cover, the arc-shaped outer surface of the side of the close holder of described front contact and the flat external surface of rear contact respectively be arranged on the front re-entrant angle of holder and touch platform and rear straight tactile platform contacts,
The side of described pressure amplifying ring contacts with holder, the opposite side of described pressure amplifying ring contacts with seal cover, a pressure chamber entered for outside liquid with opening is formed between described seal cover and elasticity pressure part, described center presses block and is arranged in the below of pressure chamber for bearing the pressure entering pressure chamber liquid, and when in pressure chamber, the pressure of liquid changes, center presses the control coming in contact between block and the triggering block on microswitch or be separated and realize heating tube opening and closing.
2. heating tube anti-dry burning device as claimed in claim 1, it is characterized in that, described heating tube is provided with heating tube body, is provided with electrical heating wire in described heating tube body, and described heating tube body is externally connected with heating tube base plate for sealed electrical heater strip.
3. heating tube anti-dry burning device as claimed in claim 2, it is characterized in that, the two ends of described electrical heating wire are connected to two wires, and two described wires are connected to power on inserted sheet and lower electric mortiser sheet respectively, described in power on inserted sheet and lower electric mortiser sheet be arranged on microswitch.
4. heating tube anti-dry burning device as claimed in claim 1, it is characterized in that, described holder is provided with bayonet socket, and described seal cover is provided with projection, and when described seal cover is connected with holder, described projection is inserted in bayonet socket; Described projection is provided with the first crowning, the second oblique crowning and the 3rd crowning, described bayonet socket is provided with the first bayonet socket face, the second oblique bayonet socket face and the 3rd bayonet socket face, when described projection is inserted in bayonet socket, described first crowning, the second oblique crowning and the 3rd crowning fit to be formed with the first bayonet socket face, the second oblique bayonet socket face and the 3rd bayonet socket face respectively and locate.
5. heating tube anti-dry burning device as claimed in claim 1, it is characterized in that, described seal cover is provided with the first outward flange, second outward flange, 3rd outward flange and the 4th outward flange, the diameter of described first outward flange is greater than the diameter of the second outward flange, the junction of described first outward flange and the second outward flange forms first step and leans on, the diameter of described second outward flange is less than the diameter of the 3rd outward flange, the junction of described second outward flange and the 3rd outward flange forms second step and leans on, the diameter of described 3rd outward flange is less than the diameter of the 4th outward flange, the junction of described 3rd outward flange and the 4th outward flange forms the 3rd step and leans on.
6. heating tube anti-dry burning device as claimed in claim 1, it is characterized in that, be positioned at described seal cover and be provided with the first inner stopper, the second oblique inner stopper and the 3rd inner stopper, the junction of described first inner stopper and the second oblique inner stopper forms step in first, and the gradient of the described second oblique inner stopper is 15-60 °.
7. a dish-washing machine, is characterized in that, comprise shown heating tube anti-dry burning device as arbitrary in claim 1-6 and water tank, described anti-dry burning device is arranged on water tank by seal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685974.8U CN205107577U (en) | 2015-09-07 | 2015-09-07 | Heating pipe anti dry burning device and have device's dish washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685974.8U CN205107577U (en) | 2015-09-07 | 2015-09-07 | Heating pipe anti dry burning device and have device's dish washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205107577U true CN205107577U (en) | 2016-03-30 |
Family
ID=55563236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685974.8U Expired - Fee Related CN205107577U (en) | 2015-09-07 | 2015-09-07 | Heating pipe anti dry burning device and have device's dish washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205107577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106491061A (en) * | 2015-09-07 | 2017-03-15 | 上海威顺电器有限公司 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
| WO2019165873A1 (en) * | 2018-02-27 | 2019-09-06 | 青岛海尔洗衣机有限公司 | Upper cover assembly for shoe washing machine and shoe washing machine |
-
2015
- 2015-09-07 CN CN201520685974.8U patent/CN205107577U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106491061A (en) * | 2015-09-07 | 2017-03-15 | 上海威顺电器有限公司 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
| CN106491061B (en) * | 2015-09-07 | 2019-08-02 | 上海威顺电器有限公司 | A kind of method of heating tube anti-dry burning device, dish-washing machine and anti-dry |
| WO2019165873A1 (en) * | 2018-02-27 | 2019-09-06 | 青岛海尔洗衣机有限公司 | Upper cover assembly for shoe washing machine and shoe washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20160907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |