CN104777853A - Pressure measuring device arranged on air inlet pipeline - Google Patents
Pressure measuring device arranged on air inlet pipeline Download PDFInfo
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- CN104777853A CN104777853A CN201510120494.1A CN201510120494A CN104777853A CN 104777853 A CN104777853 A CN 104777853A CN 201510120494 A CN201510120494 A CN 201510120494A CN 104777853 A CN104777853 A CN 104777853A
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- seat
- base
- air inlet
- microswitch
- pressure
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Abstract
A pressure measuring device arranged on an air inlet pipeline comprises an air inlet seat, a base, a vibrating membrane, a driving plate, a pressure spring and a microswitch, wherein the vibrating membrane covers a pressure cavity; the driving plate is arranged in the accommodating cavity, the guide plate is in sliding fit with the side wall of the guide hole, the cylindrical spring seat is opposite to the cylindrical spring seat, the cylindrical spring seat is inserted into one end of the pressure spring, and the other end of the pressure spring is positioned in the cylindrical spring seat; the microswitch is fixed on the switch seat, a button of the microswitch is opposite to the guide hole, and the button of the microswitch is matched with the contact on the drive plate. By adopting the structure, when the pressure in the air supply pipeline exceeds the pressure set by the gas using device, the micro switch acts to cut off the power supply of the control valve of the gas using device or transmit a signal to the control device, and the control device closes the control valve, thereby achieving the purpose of safety.
Description
Technical field
The present invention relates to measuring pressure switch or sensing device.
Background technology
Currently available technology, is not arranged on the pressure sensor device on air inlet pipeline, only has the tensimeter arranged on air inlet pipeline.Existing problems are: do not arrange on air inlet pipeline and have switch or pressure sensor device.
Summary of the invention
The object of the invention is: provide a kind of measuring pressure device be arranged on air inlet pipeline, it has gaseous tension in air inlet pipeline is delivered to control action.
The present invention is achieved in that a kind of measuring pressure device be arranged on air inlet pipeline, and it comprises air inlet seat, base, vibrating membrane, drive plate, pressure spring and microswitch,
The pressure chamber that described air inlet seat comprises intake interface, seat board and is positioned on seat board, intake interface communicates with pressure chamber;
Base comprises and is arranged on base one accommodating cavity, the tubular spring base be connected with accommodating cavity, the pilot hole communicated with accommodating cavity and be positioned at the switch base of pilot hole one end on the surface;
Described drive plate is provided with contact, is positioned at the guide plate at diameter line two ends and cylindrical spring seat,
Described vibrating membrane overburden pressure chamber, base and air inlet seat fasten and are fixed together, the radial edges of air inlet seat and base clamping vibrating membrane, and pressure chamber is relative with accommodating cavity; Drive plate is arranged in accommodating cavity, guide plate and pilot hole snug engagement, and cylindrical spring seat is relative with tubular spring base, and cylindrical spring seat inserts in one end of pressure spring, and the other end of pressure spring is positioned at tubular spring base; Microswitch is fixed on switch base, and the button of microswitch is relative with pilot hole, the contacts mates on the button of microswitch and drive plate.
Described a kind of measuring pressure device be arranged on air inlet pipeline, its special character is: there is annular seat at the edge of described vibrating membrane;
Described seat board there is the annular around pressure chamber opening protruding;
The opening of described accommodating cavity there is toroidal cavity;
Annular seat embeds in toroidal cavity, and annular projection compresses annular seat.
Described a kind of measuring pressure device be arranged on air inlet pipeline, its special character is: described tubular spring base has the inner opening and outward opening that communicate with accommodating cavity, has internal thread in outward opening end tubular spring base;
Also comprise the screw of hexagonal counterbore in band, in the tubular spring base that screw arranges outward opening end and with the one end fits of pressure spring.
Described a kind of measuring pressure device be arranged on air inlet pipeline, its special character is: described switch base comprises end plate and biside plate, and end plate is crossing with described tubular spring base, and side plate is positioned at the both sides of described pilot hole; Microswitch arrange between the side plates and be fixed together, end coordinates stop bit with end plate;
Described guide plate and microswitch both sides are slidably matched.
A kind of measuring pressure device be arranged on air inlet pipeline of the present invention, owing to adopting such structure, when pressure in supply air line exceedes the pressure arranged with device of air, microswitch action, the power supply of the operation valve of cut-out device of air, or pass the signal along to control device, control device closed control valve, reach safe object.
Accompanying drawing explanation
Fig. 1 is cut-open view of the present invention.
Fig. 2 is stereographic map of the present invention.
Fig. 3 is one of three-dimensional exploded view of the present invention.
Fig. 4 is three-dimensional exploded view two of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of measuring pressure device be arranged on air inlet pipeline, it comprises air inlet seat 1, base 2, vibrating membrane 3, drive plate 4, pressure spring 5 and microswitch 6,
The pressure chamber 13 that described air inlet seat 1 comprises intake interface 11, seat board 12 and is positioned on seat board, intake interface 11 communicates with pressure chamber 13;
Base 2 comprises and is arranged on base 2 one accommodating cavity 21, the tubular spring base 22, the pilot hole 23 communicated with accommodating cavity 21 and the switch base 24 being positioned at pilot hole one end that are connected with accommodating cavity on the surface;
Described drive plate 4 is provided with contact 41, is positioned at the guide plate 42 at diameter line two ends and cylindrical spring seat 43,
Described vibrating membrane 3 overburden pressure chamber 13, base 2 and air inlet seat 1 fasten and are fixed together, the radial edges of air inlet seat 1 and base 2 clamping vibration film 3, and pressure chamber 13 is relative with accommodating cavity 21; Drive plate 4 is arranged in accommodating cavity 21, guide plate 42 and pilot hole 23 snug engagement, and cylindrical spring seat 43 is relative with tubular spring base 22, and cylindrical spring seat 43 inserts in one end of pressure spring 5, and the other end of pressure spring 5 is positioned at tubular spring base 22; Microswitch 6 is fixed on switch base 24, and the button 61 of microswitch 6 is relative with pilot hole 23, and the button 61 of microswitch 6 coordinates with the contact 41 on drive plate 4.
As further improvement: there is annular seat 31 at the edge of described vibrating membrane 3; Described seat board 12 there is the annular projection 14 around pressure chamber 13 opening; The opening of described accommodating cavity 21 there is toroidal cavity 211; Annular seat 31 embeds in toroidal cavity 211, and annular protruding 14 compresses annular seat 31.
Described tubular spring base 22 there are the inner opening communicated with accommodating cavity 21 and outward opening, in outward opening end tubular spring base 22, have internal thread;
Also comprise the screw 7 of hexagonal counterbore in band, in the tubular spring base 22 that screw 7 arranges outward opening end and with the one end fits of pressure spring 5.
Described switch base 24 comprises end plate 241 and biside plate 242, and end plate 241 is crossing with described tubular spring base 22, and side plate 242 is positioned at the both sides of described pilot hole 22; Microswitch 6 to be arranged between side plate 242 and be fixed together, end coordinates stop bit with end plate 241;
Described guide plate 42 is slidably matched with microswitch 6 both sides.
The present invention in use, as shown in Figure 1, intake interface 11 stretches in supply air line, combustion gas enters in pressure chamber 13 through intake interface 11, vibrating membrane 3 action is also fitted with drive plate 4, when pressure reaches the pressure of setting in pressure chamber 13, promotes drive plate 4 and moves down, contact 41 actuation button 61, microswitch 6 power-off or the signal sent to control device.Thus realize protection gas utensil, prevent gas utensil from burning insufficient, prevent combustion gas from overflowing, reach safe object.
Above-described is only preferred embodiments of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the principles of the present invention, can also make some improvement and modification, this is also considered as protection scope of the present invention.
Claims (4)
1. be arranged on the measuring pressure device on air inlet pipeline, it is characterized in that: it comprises air inlet seat, base, vibrating membrane, drive plate, pressure spring and microswitch,
The pressure chamber that described air inlet seat comprises intake interface, seat board and is positioned on seat board, intake interface communicates with pressure chamber;
Base comprises and is arranged on base one accommodating cavity, the tubular spring base be connected with accommodating cavity, the pilot hole communicated with accommodating cavity and be positioned at the switch base of pilot hole one end on the surface;
Described drive plate is provided with contact, is positioned at the guide plate at diameter line two ends and cylindrical spring seat,
Described vibrating membrane overburden pressure chamber, base and air inlet seat fasten and are fixed together, the radial edges of air inlet seat and base clamping vibrating membrane, and pressure chamber is relative with accommodating cavity; Drive plate is arranged in accommodating cavity, guide plate and pilot hole snug engagement, and cylindrical spring seat is relative with tubular spring base, and cylindrical spring seat inserts in one end of pressure spring, and the other end of pressure spring is positioned at tubular spring base; Microswitch is fixed on switch base, and the button of microswitch is relative with pilot hole, the contacts mates on the button of microswitch and drive plate.
2. a kind of measuring pressure device be arranged on air inlet pipeline according to claim 1, is characterized in that: there is annular seat at the edge of described vibrating membrane;
Described seat board there is the annular around pressure chamber opening protruding;
The opening of described accommodating cavity there is toroidal cavity;
Annular seat embeds in toroidal cavity, and annular projection compresses annular seat.
3. a kind of measuring pressure device be arranged on air inlet pipeline according to claim 1, is characterized in that: described tubular spring base has the inner opening and outward opening that communicate with accommodating cavity, has internal thread in outward opening end tubular spring base;
Also comprise the screw of hexagonal counterbore in band, in the tubular spring base that screw arranges outward opening end and with the one end fits of pressure spring.
4. a kind of measuring pressure device be arranged on air inlet pipeline according to claim 1,2 or 3, it is characterized in that: described switch base comprises end plate and biside plate, end plate is crossing with described tubular spring base, and side plate is positioned at the both sides of described pilot hole; Microswitch arrange between the side plates and be fixed together, end coordinates stop bit with end plate;
Described guide plate and microswitch both sides are slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120494.1A CN104777853B (en) | 2015-03-19 | 2015-03-19 | Pressure measuring device arranged on air inlet pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120494.1A CN104777853B (en) | 2015-03-19 | 2015-03-19 | Pressure measuring device arranged on air inlet pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104777853A true CN104777853A (en) | 2015-07-15 |
| CN104777853B CN104777853B (en) | 2017-09-19 |
Family
ID=53619380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510120494.1A Active CN104777853B (en) | 2015-03-19 | 2015-03-19 | Pressure measuring device arranged on air inlet pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104777853B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254938A (en) * | 1978-07-25 | 1981-03-10 | Aisin Seiki Kabushiki Kaisha | Suction pressure responsive valve device |
| CN86210439U (en) * | 1986-12-22 | 1987-08-26 | 曹正亮 | Dual limits pressure alarm |
| CN2384308Y (en) * | 1999-07-16 | 2000-06-21 | 常州市城南波仑电器厂 | Wind pressure switch |
| CN201051467Y (en) * | 2007-05-14 | 2008-04-23 | 臧琛瑶 | Wind pressure switch |
| CN204155835U (en) * | 2014-11-03 | 2015-02-11 | 广东裕祥环保科技有限公司 | Air pressure switch for gas water heater or wall-hung furnace |
| CN204480064U (en) * | 2015-03-19 | 2015-07-15 | 中山市聚德燃气阀门有限公司 | Pressure measuring device arranged on air inlet pipeline |
-
2015
- 2015-03-19 CN CN201510120494.1A patent/CN104777853B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254938A (en) * | 1978-07-25 | 1981-03-10 | Aisin Seiki Kabushiki Kaisha | Suction pressure responsive valve device |
| CN86210439U (en) * | 1986-12-22 | 1987-08-26 | 曹正亮 | Dual limits pressure alarm |
| CN2384308Y (en) * | 1999-07-16 | 2000-06-21 | 常州市城南波仑电器厂 | Wind pressure switch |
| CN201051467Y (en) * | 2007-05-14 | 2008-04-23 | 臧琛瑶 | Wind pressure switch |
| CN204155835U (en) * | 2014-11-03 | 2015-02-11 | 广东裕祥环保科技有限公司 | Air pressure switch for gas water heater or wall-hung furnace |
| CN204480064U (en) * | 2015-03-19 | 2015-07-15 | 中山市聚德燃气阀门有限公司 | Pressure measuring device arranged on air inlet pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104777853B (en) | 2017-09-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528434 Jude Company, Weimin Industrial Zone, Fusha Town, Zhongshan City, Guangdong Province Patentee after: Guangdong Jude Valve Technology Co., Ltd. Address before: 528434 Jude Company, Weimin Industrial Zone, Fusha Town, Zhongshan City, Guangdong Province Patentee before: Zhongshan Jude Gas Valve Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |