CN105212732A - Displacement switch - Google Patents
Displacement switch Download PDFInfo
- Publication number
- CN105212732A CN105212732A CN201510788367.9A CN201510788367A CN105212732A CN 105212732 A CN105212732 A CN 105212732A CN 201510788367 A CN201510788367 A CN 201510788367A CN 105212732 A CN105212732 A CN 105212732A
- Authority
- CN
- China
- Prior art keywords
- shell fragment
- shake
- displacement
- touch
- limit mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 60
- 239000012634 fragment Substances 0.000 claims abstract description 88
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 5
- 238000010411 cooking Methods 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 2
- HSHNITRMYYLLCV-UHFFFAOYSA-N 4-methylumbelliferone Chemical compound C1=C(O)C=CC2=C1OC(=O)C=C2C HSHNITRMYYLLCV-UHFFFAOYSA-N 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229960001396 hymecromone Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Cookers (AREA)
Abstract
The invention discloses a kind of displacement switch, comprise and touch shell fragment, touch switch mechanism, supporting seat and position-limit mechanism, shake-up shell fragment, touch switch mechanism are connected with the end winding support of supporting seat, the free end touching shell fragment is connected with touch switch mechanism, the other end and the touch switch mechanism of supporting seat offset, position-limit mechanism matches with shake-up shell fragment, moves rear prevention touch shell fragment reset for carry.After the displacement touching shell fragment exceeds setting range, position-limit mechanism stops shake-up shell fragment to reset, and make touch switch be in off-state, realization can not reset.Because shake-up sheet and position-limit mechanism lateral plate are affixed and play contact displacement at the beginning more accurate, when this displacement switch is applied to electric pressure cooking saucepan, be convenient to installation and debugging, can controlled pressure pot pressure within the specific limits, and displacement switch can be made to reset when pressure cooker superpressure, maintenace point need be transferred to and carry out the detection of superpressure reason, remove potential safety hazard.
Description
Technical field
The present invention relates to by the switch of physical state change operation, particularly a kind of displacement switch.
Background technology
Electric pressure cooking saucepan at work, can carry out decompression protection by the relief hole on pot cover during hypertonia in its pot of courage.For ensureing the security of electric pressure cooking saucepan, needing to break heating power supply before pressure release, realizing the power-off protection before pressure release.Bottom heat-generating disc, arrange displacement switch, along with the rising of pressure in pot courage, pot Hymecromone is crossed heat-generating disc and is promoted displacement switch, and controls connection and the cut-out of heating power supply.
In prior art, above-mentioned displacement switch is can reset switch, and when after pressure drop in pot body, displacement switch resets, and electric pressure cooking saucepan can continue to use.But, when not getting rid of a pot courage superpressure reason, when continuing to use electric pressure cooking saucepan, again occurring that the possibility of superpressure power-off is very big, in the use procedure of electric pressure cooking saucepan, there is great potential safety hazard.Simultaneously because the free end of the shake-up sheet of existing displacement switch does not have spacing, there is initial displacement needs to debug when installing again.
Summary of the invention
The object of this invention is to provide and a kind ofly can carry out Self-resetting control and exceed setting range and can not reset, be convenient to remove potential safety hazard, structure is simple, cost is low displacement switch in rated range.Debugging is reduced during installation.
For achieving the above object, according to an aspect of the present invention, provide a kind of displacement switch, comprise and touch shell fragment, touch switch mechanism, supporting seat and position-limit mechanism, shake-up shell fragment, touch switch mechanism are connected with the end winding support of supporting seat, and the free end touching shell fragment is connected with touch switch mechanism, and the other end and the touch switch mechanism of supporting seat offset, position-limit mechanism matches with shake-up shell fragment, touches shell fragment reset for stoping.Thus, disconnect when the displacement touching shell fragment can promote touch switch mechanism in setting range, after displacement recovers, touch switch mechanism can reset, after displacement exceeds setting range, position-limit mechanism stops shake-up shell fragment to reset, and make touch switch be in off-state, realization can not reset.When this displacement switch is applied to electric pressure cooking saucepan, displacement switch is by touching sheet Bit andits control touch switch break-make, thus controlled pressure pot pressure is in certain limit, and displacement switch can be made to reset when superpressure, maintenace point need be transferred to and carry out the detection of superpressure reason, remove potential safety hazard.
In some embodiments, position-limit mechanism is provided with hook tongue, and hook tongue matches with the free end touching shell fragment, and hook tongue tilts towards the stiff end direction of touching shell fragment.Thus, reciprocable in the displacement of shake-up shell fragment is normal, and when displacement is excessive, when its free end moves to hook sublingual side's generation resilience, touch free end and the hook tongue of shell fragment bottom offset, hook tongue stops shake-up shell fragment return, achieves can not resetting of displacement switch.The setting of hook tongue simplifies the structure of displacement switch, saves cost.
In some embodiments, position-limit mechanism is provided with installing plate, and one end of installing plate is fixedly connected with shake-up shell fragment, and hook tongue is located at the other end of installing plate.Thus, the setting of installing plate achieves the installation of hook tongue, simplifies the structure of displacement switch, saves cost.
In some embodiments, installing plate with touch shell fragment and be affixed, thus shake-up shell fragment is provided constraints and makes the displacement at the beginning of displacement switch more accurate.
In some embodiments, position-limit mechanism is provided with L shape installation sheet, and one end of L shape installation sheet is fixedly connected with supporting seat, and hook tongue is located at the other end of L shape installation sheet.Thus, the setting of L shape installation sheet achieves the installation of hook tongue, simplifies the structure of displacement switch, saves cost.
In some embodiments, position-limit mechanism is provided with the top flat, lateral plate and the egative film that connect successively, and top flat is fixedly connected with shake-up shell fragment, and egative film is fixedly connected with supporting seat, and hook tongue is located at lateral plate.Thus, the setting of top flat, lateral plate and egative film achieves the installation of hook tongue, simplifies the structure of displacement switch, saves cost.
In some embodiments, top flat with touch shell fragment and be affixed, thus shake-up shell fragment is provided constraints and makes the displacement at the beginning of displacement switch more accurate.
In some embodiments, position-limit mechanism is connected with shake-up shell fragment and/or supporting seat, and position-limit mechanism is provided with through hole with shake-up shell fragment and/or the supporting seat side that is connected, thus is convenient to position-limit mechanism debugging and installation.
Beneficial effect of the present invention is: this displacement switch adopts position-limit mechanism to achieve and can not reset, and when it is applied to electric pressure cooking saucepan, realizes superpressure and can not reset, be convenient to remove potential safety hazard.Position-limit mechanism adopts installing plate or installation sheet to arrange hook tongue, and shake-up shell fragment and position-limit mechanism are affixed and play and make the displacement at the beginning of displacement switch more accurate to touching shell fragment restriction.Considerably simplify the structure of displacement switch, make it have that structure is simple, cost is low, be easy to the advantage of producing.
It should be noted that displacement switch of the present invention also can be applicable to other plant equipment except electric pressure cooking saucepan.
Accompanying drawing explanation
Fig. 1 is the structural representation of the displacement switch of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the displacement switch of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the displacement switch of the embodiment of the present invention 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Embodiment 1
As shown in Figure 1, the displacement switch of the present embodiment comprises shake-up shell fragment 1, touch switch mechanism 2, supporting seat 3 and position-limit mechanism 4.Shake-up shell fragment 1, touch switch mechanism 2 are connected with the end winding support of supporting seat 3.The free end touching shell fragment 1 is connected with touch switch mechanism 2.The other end and the touch switch mechanism 2 of supporting seat 3 offset, and position-limit mechanism 4 matches with shake-up shell fragment 1, reset for stoping shake-up shell fragment 1.
Position-limit mechanism 4 is provided with the top flat 44, lateral plate 45 and the egative film 46 that connect successively.Top flat 44 is fixedly connected with shake-up shell fragment 1, and top flat 44 offers the through hole being convenient to installation and adjustment.Top flat 44 with touch shell fragment 1 and be affixed, thus shake-up shell fragment 1 provided constraints make the displacement at the beginning of displacement switch more accurate.Egative film 46 is fixedly connected with supporting seat 3, and egative film 46 offers the through hole being convenient to install.Hook tongue 41 is located at lateral plate 45.Top flat 44, lateral plate 45, egative film 46 and hook tongue 41 is integral type structure.Hook tongue 41 tilts towards the stiff end direction of touching shell fragment 1, and hook tongue 41 matches with the free end touching shell fragment 1.
Touch shell fragment 1 and be installed with shake-up block 11, top flat 44 offers the through hole corresponding with touching block 11.Touch block 11 through through hole.
When shake-up shell fragment 1 is moved downward to resilience below hook tongue 41, touches shell fragment 1 and offset with the bottom of hook tongue 41, hook tongue 41 stops shake-up shell fragment 1 return.
Touch switch mechanism 2 comprises quiet shell fragment 21, spring plate 22, supports shell fragment 23 and arc-like sheet 24.Quiet shell fragment 21 is fixedly connected with shake-up shell fragment 1 and supporting seat 3 by holder 5 with the end supporting shell fragment 23.The other end supporting shell fragment 23 is connected with the end winding support of spring plate 22.One end of arc-like sheet 24 is connected with spring plate 22, and the other end is connected with support shell fragment 23.Spring plate 22 offers the groove corresponding with arc-like sheet 24.
The free end of quiet shell fragment 21 is provided with stationary contact 25, and the free end of spring plate 22 is provided with movable contact 26.Stationary contact 25 is corresponding with fixed contact 26.
Touch shell fragment 1 to be connected with spring plate 22 by trace 12.Supporting seat 3 is connected with support shell fragment 23 by joint pin 31.The stiff end of quiet shell fragment 21 and support shell fragment 23 is provided with binding post 6.
When the displacement switch of the present embodiment is applied to electric pressure cooking saucepan, be arranged on the bottom of electrical pressure cooker heating dish, touch block 11 and offset with heat-generating disc.When pressure durations in pot courage rises, touch block 11 and move down, and promote to touch shell fragment 1.When in pot courage, pressure reaches setting value, touch shell fragment 1 and promote to touch shell fragment 22, movable contact 26 is separated with stationary contact 25, namely disconnects jug with heating disk power supply, thus can controlled pressure pot pressure.And continue to strengthen when pressure continues the displacement of rising shake-up shell fragment 1, touch shell fragment 1 and be pushed into below hook tongue 41.When pressure drop touches shell fragment 1 resilience in pot courage, touch shell fragment 1 and offset with the bottom of hook tongue 41, then hook tongue 41 prevention touches 1, shell fragment, makes movable contact 26 and stationary contact 25 keep released state.Realize the power-off of electric pressure cooking saucepan superpressure can not reset, electric pressure cooking saucepan need be transferred to maintenace point and carry out the detection of superpressure reason, remove potential safety hazard.Make the displacement at the beginning of displacement switch more accurate because the top flat 44 touching shell fragment 1 and position-limit mechanism 4 is affixed and plays to touching shell fragment 1 restriction.So again to reduce pressure debugging work when electric pressure cooking saucepan is installed.
Embodiment 2
As shown in Figure 2, as different from Example 1, the position-limit mechanism 4 of the displacement switch of the present embodiment is provided with L shape installation sheet 43.One end of L shape installation sheet 43 is fixedly connected with supporting seat 3, and hook tongue 41 is located at the other end of L shape installation sheet 43.Hook tongue 41 and L shape installation sheet 43 are integral type structure.L shape installation sheet 43 offers with the connection side of supporting seat 3 through hole being convenient to installation and adjustment.
When shake-up shell fragment 1 is moved downward to resilience below hook tongue 41, touches shell fragment 1 and offset with the bottom of hook tongue 41, hook tongue 41 stops shake-up shell fragment 1 return.
Embodiment 3
As shown in Figure 3, as different from Example 1, the position-limit mechanism 4 of the displacement switch of the present embodiment is provided with installing plate 42.One end of installing plate 42 is fixedly connected with shake-up shell fragment 1, and hook tongue 41 is located at the other end of installing plate 42.Hook tongue 41 and installing plate 42 are formed in one structure.Installing plate 42 offers the through hole being convenient to installation and adjustment.
Installing plate 42 with touch shell fragment 1 and be affixed, thus shake-up shell fragment 1 provided constraints make the displacement at the beginning of displacement switch more accurate.
Touch shell fragment 1 and be installed with shake-up block 11, installing plate 42 offers the through hole corresponding with touching block 11.
When shake-up shell fragment 1 is moved downward to resilience below hook tongue 41, touches shell fragment 1 and offset with the bottom of hook tongue 41, hook tongue 41 stops shake-up shell fragment 1 return.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. displacement switch, it is characterized in that, comprise and touch shell fragment (1), touch switch mechanism (2), supporting seat (3) and position-limit mechanism (4), described shake-up shell fragment (1), touch switch mechanism (2) are connected with the end winding support of supporting seat (3), the free end of described shake-up shell fragment (1) is connected with touch switch mechanism (2), the other end and the touch switch mechanism (2) of described supporting seat (3) offset, described position-limit mechanism (4) matches with shake-up shell fragment (1), touches shell fragment (1) reset for stoping.
2. displacement switch according to claim 1, it is characterized in that, described position-limit mechanism (4) is provided with hook tongue (41), described hook tongue (41) is tilted towards the stiff end direction of touching shell fragment (1), and described hook tongue (41) is matched with the free end touching shell fragment (1).
3. displacement switch according to claim 2, it is characterized in that, described position-limit mechanism (4) is provided with installing plate (42), one end of described installing plate (42) is fixedly connected with shake-up shell fragment (1), and described hook tongue (41) is located at the other end of installing plate (42).
4. displacement switch according to claim 3, is characterized in that, described installing plate (42) is affixed with shake-up shell fragment (1).
5. displacement switch according to claim 2, it is characterized in that, described position-limit mechanism (4) is provided with L shape installation sheet (43), one end of described L shape installation sheet (43) is fixedly connected with supporting seat (3), and described hook tongue (41) is located at the other end of L shape installation sheet (43).
6. displacement switch according to claim 2, it is characterized in that, described position-limit mechanism (4) is provided with the top flat (44), lateral plate (45) and the egative film (46) that connect successively, described top flat (44) is fixedly connected with shake-up shell fragment (1), described egative film (46) is fixedly connected with supporting seat (3), and described hook tongue (41) is located at lateral plate (45).
7. displacement switch according to claim 6, is characterized in that, described top flat (44) is affixed with shake-up shell fragment (1).
8. displacement switch according to claim 1, it is characterized in that, described position-limit mechanism (4) is connected with shake-up shell fragment (1) and/or supporting seat (3), described position-limit mechanism (4) with touch shell fragment (1) and/or supporting seat (3) side that is connected is provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788367.9A CN105212732A (en) | 2015-11-16 | 2015-11-16 | Displacement switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788367.9A CN105212732A (en) | 2015-11-16 | 2015-11-16 | Displacement switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105212732A true CN105212732A (en) | 2016-01-06 |
Family
ID=54982296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510788367.9A Pending CN105212732A (en) | 2015-11-16 | 2015-11-16 | Displacement switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105212732A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080142498A1 (en) * | 2006-12-15 | 2008-06-19 | Zhigang He | Multifunction and safe electric pressure cooker |
| CN202505022U (en) * | 2012-03-29 | 2012-10-31 | 黄振雄 | Non-automatic resetting pressure releasing device for electric pressure cooker |
| CN202505023U (en) * | 2012-03-29 | 2012-10-31 | 黄振雄 | Automatic protection structure after abnormal decompression of electric pressure cooker |
| CN203597779U (en) * | 2013-12-19 | 2014-05-21 | 佛山市顺德区怡达电器制造有限公司 | Safe electric pressure cooker capable of exhausting steam slowly |
| CN203953300U (en) * | 2014-06-21 | 2014-11-26 | 珠海格力电器股份有限公司 | Electric pressure cooker and non-self-resetting pressure switch thereof |
| CN205125927U (en) * | 2015-11-16 | 2016-04-06 | 佛山市高明西特电器有限公司 | Displacement switch |
-
2015
- 2015-11-16 CN CN201510788367.9A patent/CN105212732A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080142498A1 (en) * | 2006-12-15 | 2008-06-19 | Zhigang He | Multifunction and safe electric pressure cooker |
| CN202505022U (en) * | 2012-03-29 | 2012-10-31 | 黄振雄 | Non-automatic resetting pressure releasing device for electric pressure cooker |
| CN202505023U (en) * | 2012-03-29 | 2012-10-31 | 黄振雄 | Automatic protection structure after abnormal decompression of electric pressure cooker |
| CN203597779U (en) * | 2013-12-19 | 2014-05-21 | 佛山市顺德区怡达电器制造有限公司 | Safe electric pressure cooker capable of exhausting steam slowly |
| CN203953300U (en) * | 2014-06-21 | 2014-11-26 | 珠海格力电器股份有限公司 | Electric pressure cooker and non-self-resetting pressure switch thereof |
| CN205125927U (en) * | 2015-11-16 | 2016-04-06 | 佛山市高明西特电器有限公司 | Displacement switch |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160106 |