CN201178065Y - Steam pressure control switch - Google Patents
Steam pressure control switch Download PDFInfo
- Publication number
- CN201178065Y CN201178065Y CNU2007201870816U CN200720187081U CN201178065Y CN 201178065 Y CN201178065 Y CN 201178065Y CN U2007201870816 U CNU2007201870816 U CN U2007201870816U CN 200720187081 U CN200720187081 U CN 200720187081U CN 201178065 Y CN201178065 Y CN 201178065Y
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- CN
- China
- Prior art keywords
- control switch
- middle cover
- pressure control
- pressure
- steam pressure
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Abstract
A vapor pressure control switch comprises a casing having a pressure-sensitive inner cavity and a vapor inlet passage communicating with the pressure-sensitive inner cavity, a rubber sealing strip arranged at the junction of the pressure-sensitive inner cavity and the vapor inlet passage for sealing the vapor inlet passage, an elastic pressure diaphragm arranged above the rubber sealing strip, a push rod arranged above the elastic pressure diaphragm, a spring leaf arranged above the push rod, a moving contact arranged on the spring leaf, an insertion sheet arranged inside the casing, and a static contact arranged on the insertion sheet, matching with the moving contact and positioned below the moving contact. The vapor pressure control switch provided in the utility model senses pressure via the rubber sealing strip and the elastic pressure diaphragm, transmits the pressure information to the moving contact to control the on/off of the moving contact and the static contact, so as to accurately control the vapor pressure. The vapor pressure control switch has simple and novel structure.
Description
(1) technical field
The utility model relates to a kind of steam pressure control switch, on steam steam-boiler electric iron.
(2) background technology
The steam pressure control switch is used to control steam pressure, and the steam pressure control switch disconnects when steam pressure is excessive, and steam pressure is descended, when steam pressure drops to a certain degree, and steam pressure control switch auto-closing, steam pressure rises once more.This steam pressure switch especially is applied on the steam steam-boiler electric iron.Existing steam pressure control switch structure is complicated, easily produces the mistake control of structural failure and pressure.
(3) summary of the invention
In order to overcome the deficiency of existing steam pressure control switch, the utility model provides that a kind of structure is simple, the steam pressure control switch of pressure precise control.
The technical scheme in the invention for solving the technical problem is: a kind of steam pressure control switch, comprise housing, the admission passage that has the pressure-sensitive inner chamber and be communicated with of described housing with described pressure-sensitive inner chamber, described admission passage is positioned at the below of described pressure-sensitive inner chamber, the junction of described pressure-sensitive inner chamber and described admission passage is installed with the rubber gasket of the described admission passage of sealing, the top of described rubber gasket is sticked and is fixed on the interior elastic pressure diaphragm of housing, the top of the described elastic pressure diaphragm catch bar longitudinally that has been sticked, the top of described catch bar is sticked and is fixed on the interior shell fragment of housing, described shell fragment is provided with moving contact, also be provided with inserted sheet in the described housing, described inserted sheet is provided with the fixed contact that is positioned at described moving contact below that cooperates with described moving contact; Have the detent mechanism of catch bar in the described pressure-sensitive inner chamber, described catch bar is located in the described detent mechanism slidably.
Further, described housing comprise bottom, with the affixed middle cover of described bottom, with the affixed loam cake of described middle cover, described admission passage is opened in the described bottom, the inner chamber of described middle cover constitutes described pressure-sensitive inner chamber.
Further, described bottom closely is connected with described middle cover riveting, and described middle cover closely is connected with described loam cake riveting.
Further, described rubber gasket is positioned at plane, described admission passage upper end open place, and this rubber gasket is pressed between described middle cover and the bottom; The bottom of the inwall of described middle cover is provided with a circle bulge loop, and described elastic pressure diaphragm is defined between described rubber gasket and the described bulge loop by described bulge loop.
Further, the detent mechanism of described catch bar is the interior positioning tube of being located in the described middle cover, and described catch bar vertically connects described interior positioning tube.
Further, be installed with on the described housing and be used for connection terminals, this splicing ear is pressed between described loam cake and the middle cover.
Further, described shell fragment and inserted sheet are pressed between described loam cake and the described middle cover.
Further, described splicing ear has two, and described shell fragment and inserted sheet are connected as a single entity with one of them splicing ear separately.
Further, also be provided with one group of riveted joint limb on each described splicing ear, every group of riveted joint limb is made up of two arc limbs, the lower end of every arc limb is provided with the clasp of evagination, be provided with in the described middle cover and two groups of corresponding riveted holes of riveted joint limb, two groups of riveted joint limbs are stretched in respectively in the described riveted holes, and the clasp of described arc limb lower end is positioned at the below of described riveted holes to locate described riveted joint limb.
The utility model is in when work, and moving contact touches mutually with fixed contact and closes during beginning, and moving contact is connected the heating control circuit of main equipment such as steam steam-boiler electric iron with fixed contact.Steam enters the steam pressure control switch by the admission passage, the steam that enters the steam pressure control switch is sealed up by rubber gasket, thereby making the interior vapour pressure of admission passage increase promotion rubber gasket center gradually up moves, and the elastic pressure diaphragm that promotes to be close to rubber gasket again up moves, make catch bar also up move again and promote shell fragment, thereby make moving contact and the fixed contact on the inserted sheet on the shell fragment disconnect, thereby disconnection heating control circuit, main equipment no longer produce steam.Vapour pressure in the admission passage reduces gradually afterwards, and rubber gasket, elastic pressure diaphragm, catch bar, shell fragment reset successively, finally make moving contact and fixed contact get back to the original state of closing that touches again.The moving contact of steam pressure control switch and fixed contact touch repeatedly and close, disconnect like this, promptly play the effect of control steam pressure.
The utility model is experienced steam pressure by rubber gasket and elastic pressure diaphragm, and this steam pressure information is passed to moving contact, facilitates touching of moving contact and fixed contact to close or disconnect, and can accurately control steam pressure, and simple in structure, novel.
(4) description of drawings
Fig. 1 is a cutaway view of the present utility model.
Fig. 2 is an explosive view of the present utility model.
Fig. 3 is the structural representation of shell fragment.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of steam pressure control switch, comprise housing, the admission passage 2 that has pressure-sensitive inner chamber 1 and be communicated with of described housing with described pressure-sensitive inner chamber, described admission passage 2 is positioned at the below of described pressure-sensitive inner chamber 1, the junction of described pressure-sensitive inner chamber 1 and described admission passage 2 is installed with the rubber gasket 3 of the described admission passage of sealing, the top of described rubber gasket 3 is sticked and is fixed on the interior elastic pressure diaphragm 4 of housing, the top of described elastic pressure diaphragm 4 catch bar 5 longitudinally that has been sticked, the top of described catch bar 5 is sticked and is fixed on the interior shell fragment 6 of housing, described shell fragment 6 is provided with moving contact 7, also be provided with inserted sheet 8 in the described housing, described inserted sheet 8 is provided with the fixed contact 9 that is positioned at these moving contact 7 belows that cooperates with described moving contact 7; The detent mechanism that has catch bar 5 in the described pressure-sensitive inner chamber 1, described catch bar 5 is located in the described detent mechanism slidably.
In the present embodiment, described housing comprise bottom 10, with the affixed middle cover 11 of described bottom 10, the loam cake 12 affixed with described middle cover 11, described admission passage 2 is opened in the described bottom 10, the inner chamber of described middle cover 11 constitutes described pressure-sensitive inner chamber 1.Described bottom 10 closely is connected with described middle cover 11 rivetings, and described middle cover 11 closely is connected with described loam cake 12 rivetings.Described rubber gasket 3 is positioned at the plane, upper end open place of described admission passage 2, and this rubber gasket 3 is pressed between described middle cover 11 and the bottom 10.The bottom of the inwall of described middle cover 11 is provided with a circle bulge loop 13, and described elastic pressure diaphragm 4 is defined between described rubber gasket 3 and the described bulge loop 13 by described bulge loop 13.
In the present embodiment, the detent mechanism of described catch bar 5 is the interior positioning tube of being located in the described middle cover 11 14, and described catch bar 5 vertically connects described interior positioning tube 14.
Further, for convenience the utility model is installed on the main equipment such as steam steam-boiler electric iron, be installed with two splicing ears 15 that are used to connect on the described housing, splicing ear 15 is pressed between described loam cake 12 and the middle cover 11, shell fragment 6 is connected as a single entity with one of them splicing ear, inserted sheet 8 is connected as a single entity with another splicing ear, also is that shell fragment 6 and inserted sheet 8 are pressed between described loam cake 12 and the described middle cover 11.
Further, also be provided with one group of riveted joint limb on each described splicing ear 15, every group of riveted joint limb is made up of two arc limbs 16, the lower end of every arc limb 16 is provided with the clasp 17 of evagination, be provided with in the described middle cover 11 and two groups of corresponding riveted holes of riveted joint limb, two groups of riveted joint limbs are stretched in respectively in the described riveted holes, the below that the clasp 17 of described arc limb lower end is positioned at described riveted holes to be locating described riveted joint limb, can further guarantee the stable of splicing ear 15 and shell fragment 6, inserted sheet 8 by the riveted joint limb.
The utility model is in when work, and moving contact 7 touches mutually with fixed contact 9 and closes during beginning, and moving contact 7 is connected the heating control circuit of main equipment such as steam steam-boiler electric iron with fixed contact 9.Steam enters the steam pressure control switch by admission passage 2, the steam that enters the steam pressure control switch is sealed up by rubber gasket 3, thereby making admission passage 2 interior vapour pressures increase promotion rubber gasket 3 centers gradually up moves, and the elastic pressure diaphragm 4 that promotes to be close to rubber gasket 3 again up moves, make catch bar 5 also up move again and promote shell fragment 6, thereby make moving contact 7 and the fixed contact on the inserted sheet 9 on the shell fragment 6 disconnect, thereby disconnection heating control circuit, main equipment no longer produce steam.Vapour pressure in the admission passage reduces gradually afterwards, and rubber gasket 3, elastic pressure diaphragm 4, catch bar 5, shell fragment 6 reset successively, finally make moving contact 7 and fixed contact 9 get back to the original state of closing that touches again.The moving contact 7 of steam pressure control switch and fixed contact 9 touch repeatedly and close, disconnect like this, promptly play the effect of control steam pressure.
The utility model is experienced steam pressure by rubber gasket 3 and elastic pressure diaphragm 4, and this steam pressure information is passed to moving contact 7, facilitates touching of moving contact 7 and fixed contact 9 to close or disconnect, and can accurately control steam pressure, and simple in structure, novel.
Claims (9)
1. steam pressure control switch, comprise housing, the admission passage that has the pressure-sensitive inner chamber and be communicated with of described housing with described pressure-sensitive inner chamber, described admission passage is positioned at the below of described pressure-sensitive inner chamber, it is characterized in that: the junction of described pressure-sensitive inner chamber and described admission passage is installed with the rubber gasket of the described admission passage of sealing, the top of described rubber gasket is sticked and is fixed on the interior elastic pressure diaphragm of housing, the top of the described elastic pressure diaphragm catch bar longitudinally that has been sticked, the top of described catch bar is sticked and is fixed on the interior shell fragment of housing, described shell fragment is provided with moving contact, also be provided with inserted sheet in the described housing, described inserted sheet is provided with the fixed contact that is positioned at described moving contact below that cooperates with described moving contact;
Have the detent mechanism of catch bar in the described pressure-sensitive inner chamber, described catch bar is located in the described detent mechanism slidably.
2. steam pressure control switch as claimed in claim 1, it is characterized in that: described housing comprise bottom, with the affixed middle cover of described bottom, with the affixed loam cake of described middle cover, described admission passage is opened in the described bottom, and the inner chamber of described middle cover constitutes described pressure-sensitive inner chamber.
3. steam pressure control switch as claimed in claim 2 is characterized in that: described bottom closely is connected with described middle cover riveting, and described middle cover closely is connected with described loam cake riveting.
4. steam pressure control switch as claimed in claim 3 is characterized in that: described rubber gasket is positioned at plane, described admission passage upper end open place, and this rubber gasket is pressed between described middle cover and the bottom;
The bottom of the inwall of described middle cover is provided with a circle bulge loop, and described elastic pressure diaphragm is defined between described rubber gasket and the described bulge loop by described bulge loop.
5. as the described steam pressure control switch of one of claim 1～4, it is characterized in that: the detent mechanism of described catch bar is the interior positioning tube of being located in the described middle cover, and described catch bar vertically connects described interior positioning tube.
6. steam pressure control switch as claimed in claim 3 is characterized in that: be installed with on the described housing and be used for connection terminals, this splicing ear is pressed between described loam cake and the middle cover.
7. steam pressure control switch as claimed in claim 3 is characterized in that: described shell fragment and inserted sheet are pressed between described loam cake and the described middle cover.
8. steam pressure control switch as claimed in claim 6 is characterized in that: described splicing ear has two, and described shell fragment and inserted sheet are connected as a single entity with one of them splicing ear separately.
9. steam pressure control switch as claimed in claim 8, it is characterized in that: also be provided with one group of riveted joint limb on each described splicing ear, every group of riveted joint limb is made up of two arc limbs, the lower end of every arc limb is provided with the clasp of evagination, be provided with in the described middle cover and two groups of corresponding riveted holes of riveted joint limb, two groups of riveted joint limbs are stretched in respectively in the described riveted holes, and the clasp of described arc limb lower end is positioned at the below of described riveted holes to locate described riveted joint limb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201870816U CN201178065Y (en) | 2007-12-26 | 2007-12-26 | Steam pressure control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201870816U CN201178065Y (en) | 2007-12-26 | 2007-12-26 | Steam pressure control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201178065Y true CN201178065Y (en) | 2009-01-07 |
Family
ID=40218090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201870816U Expired - Fee Related CN201178065Y (en) | 2007-12-26 | 2007-12-26 | Steam pressure control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201178065Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240528A (en) * | 2017-07-18 | 2017-10-10 | 上海侨亨实业有限公司 | Sensitivity is high, performance is stable and service life length pressure switch |
| CN107591280A (en) * | 2017-11-01 | 2018-01-16 | 佛山市通宝华龙控制器有限公司 | A kind of Kick type temperature controller that can improve overload capacity |
-
2007
- 2007-12-26 CN CNU2007201870816U patent/CN201178065Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240528A (en) * | 2017-07-18 | 2017-10-10 | 上海侨亨实业有限公司 | Sensitivity is high, performance is stable and service life length pressure switch |
| CN107591280A (en) * | 2017-11-01 | 2018-01-16 | 佛山市通宝华龙控制器有限公司 | A kind of Kick type temperature controller that can improve overload capacity |
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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: 20090107 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |