CN203488739U - Temperature control type double-eccentric butterfly valve - Google Patents
Temperature control type double-eccentric butterfly valve Download PDFInfo
- Publication number
- CN203488739U CN203488739U CN201320277871.9U CN201320277871U CN203488739U CN 203488739 U CN203488739 U CN 203488739U CN 201320277871 U CN201320277871 U CN 201320277871U CN 203488739 U CN203488739 U CN 203488739U
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- valve
- butterfly plate
- valve seat
- butterfly
- type double
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Abstract
A temperature control type double-eccentric butterfly valve comprises a valve body, a butterfly plate, a valve shaft, a valve seat, a valve cover and a master control apparatus. The edge of the main butterfly plate is fixedly provided with a sealing rubber loop, and an electromagnetic heating rod and a cooling ring are arranged in the valve seat. The beneficial effects are provided as follows: the sealing rubber loop is prepared from rubber and is sensitive to temperature change, obvious expansion with heat and contraction with cold are shown, after the valve is closed, the sealing rubber loop is heated to expand and presses the valve seat tightly, when the valve is to open, the electromagnetic heating rod is power off, the cooling ring is power on, the sealing rubber loop is cooled to contract and separate from the valve seat, and the valve is open smoothly.
Description
Technical field
The utility model relates to valve field, particularly a kind of butterfly valve.
Background technique
Double eccentric butterfly valve is the most widely used a kind of in existing all butterfly valves, but because the butterfly plate of double eccentric butterfly valve is parallel with flow direction with the contact surface of valve seat, easily causes fluid leakage.The technological scheme addressing this problem is at present for adding upper sealing ring in the surrounding of butterfly plate, but seal ring mostly is rubber product, this design proposal wear no resistance, and the butterfly plate of double eccentric butterfly valve can produce serious friction with valve seat when opening, so can affect the working life of valve.
Summary of the invention
The purpose of this utility model is in order to address the above problem, and has designed a kind of temp-control type double eccentric butterfly valve.Specific design scheme is:
A kind of temp-control type double eccentric butterfly valve, comprise valve body, butterfly plate, valve shaft, valve seat, valve gap, master control set, described valve seat is fixed on described valve body, described valve body top is provided with valve gap, described butterfly sheet comprises main butterfly plate, secondary butterfly plate, described secondary butterfly plate is installed in described valve seat by valve shaft, described main butterfly plate is connected with described secondary butterfly plate, depart from along flow direction with respect to described valve body center at the center of described valve shaft, and depart from along fluid radial cross section direction with respect to the center of described valve seat at the center of described valve shaft, the edge of described main butterfly plate is fixed with O-ring seal, in described valve seat, electromagnetic heating rod is installed, cooling ring.
Described secondary butterfly plate is connected with described valve shaft by pivot pin.
The diameter of described main butterfly plate is less than the internal diameter of described valve seat.
The external diameter of described O-ring seal is less than the internal diameter of described valve seat.
Described electromagnetic heating rod comprises metal bar, electromagnetic wire, and described electromagnetic wire is wound on described metal bar.
Described cooling ring comprises Mini compressed pump, water-circulating pipe, and described Mini compressed pump is fixed on described valve body 1 bottom, and described water-circulating pipe is connected with described Mini compressed pump.
The temp-control type double eccentric butterfly valve obtaining by above-mentioned mode of execution of the present utility model, its beneficial effect is:
The edge of described main butterfly plate is fixed with O-ring seal, and electromagnetic heating rod, cooling ring are installed in described valve seat.Because described O-ring seal is rubber material, more responsive to temperature, can produce the phenomenon of significantly expanding with heat and contract with cold, so can heat it after throttle down, O-ring seal is expanded and compress with described valve seat; When needs Open valve, need to close electromagnetic heating rod, and open cooling ring and make the cooling contraction of described O-ring seal separated with described valve seat, then can smooth and easyly open.
The diameter of described main butterfly plate is less than the internal diameter of described valve seat, and the external diameter of described O-ring seal is less than the internal diameter of described valve seat.Ensured that valve does not contact with described valve seat when opening.
Accompanying drawing explanation
Fig. 1 is the structural representation of temp-control type double eccentric butterfly valve described in the utility model;
Fig. 2 is the side cutaway view of temp-control type double eccentric butterfly valve described in the utility model;
Fig. 3 is the structural representation of electromagnetic heating rod described in the utility model;
In figure, 1, valve body; 2, butterfly plate; 3, valve shaft; 4, valve seat; 5, valve gap; 6, master control set; 7, main butterfly plate; 8 secondary butterfly plates; 9, O-ring seal; 10, electromagnetic heating rod; 11, cooling ring; 12, pivot pin; 13, metal bar; 14, electromagnetic wire; 15, Mini compressed pump; 16, water-circulating pipe.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described.
Fig. 1 is the structural representation of temp-control type double eccentric butterfly valve described in the utility model, Fig. 2 is the side cutaway view of temp-control type double eccentric butterfly valve described in the utility model, as Fig. 1, shown in Fig. 2, a kind of temp-control type double eccentric butterfly valve, comprise valve body 1, butterfly plate 2, valve shaft 3, valve seat 4, valve gap 5, master control set 6, described valve seat 4 is fixed on described valve body 1, described valve body 1 top is provided with valve gap 5, described butterfly sheet 2 comprises main butterfly plate 7, secondary butterfly plate 8, described secondary butterfly plate 8 is installed in described valve seat 4 by valve shaft 3, described main butterfly plate 7 is connected with described secondary butterfly plate 8, depart from along flow direction with respect to described valve body 1 center at the center of described valve shaft 3, and depart from along fluid radial cross section direction with respect to the center of described valve seat 4 at the center of described valve shaft 3, it is characterized in that, the edge of described main butterfly plate 7 is fixed with O-ring seal 9, in described valve seat 4, electromagnetic heating rod 10 is installed, cooling ring 11.
Described secondary butterfly plate 8 is connected with described valve shaft 3 by pivot pin 12.
The diameter of described main butterfly plate 7 is less than the internal diameter of described valve seat 4.
The external diameter of described O-ring seal 9 is less than the internal diameter of described valve seat 4.
Described cooling ring 11 comprises Mini compressed pump 15, water-circulating pipe 16, and described Mini compressed pump 15 is fixed on described valve body 1 bottom, and described water-circulating pipe 16 is connected with described Mini compressed pump 15.
Fig. 3 is the structural representation of electromagnetic heating rod described in the utility model, and as shown in Figure 3, described electromagnetic heating rod 10 comprises metal bar 13, electromagnetic wire 14, and described electromagnetic wire 14 is wound on described metal bar 13.
When needs throttle down, first pass through master control set 6 by butterfly plate 2 rotary closings, then by master control set 6, open electromagnetic heating rods 10 and make described O-ring seal 9 expanded by heating and combine closely with described valve seat 4, reach the object of throttle down.
When needs Open valve, first by master control set 6, close described electromagnetic heating rod 10 and open cooling ring 11 and make the cooling contraction of described O-ring seal 9, when O-ring seal 9 departs from described valve seat 4, by described master control set 6, close cooling ring 11 and control butterfly plate 2 rotations, reach the object of Open valve.
Technique scheme has only embodied the optimal technical scheme of technical solutions of the utility model; those skilled in the art have all embodied principle of the present utility model to some changes that wherein some part may be made, within belonging to protection domain of the present utility model.
Claims (6)
1. a temp-control type double eccentric butterfly valve, comprise valve body (1), butterfly plate (2), valve shaft (3), valve seat (4), valve gap (5), master control set (6), described valve seat (4) is fixed on described valve body (1), described valve body (1) top is provided with valve gap (5), described butterfly sheet (2) comprises main butterfly plate (7), secondary butterfly plate (8), described secondary butterfly plate (8) is installed in described valve seat (4) by valve shaft (3), described main butterfly plate (7) is connected with described secondary butterfly plate (8), depart from along flow direction with respect to described valve body (1) center at the center of described valve shaft (3), and depart from along fluid radial cross section direction with respect to the center of described valve seat (4) at the center of described valve shaft (3), it is characterized in that, the edge of described main butterfly plate (7) is fixed with O-ring seal (9), electromagnetic heating rod (10) is installed in described valve seat (4), cooling ring (11).
2. according to the temp-control type double eccentric butterfly valve described in claim 1, it is characterized in that, described secondary butterfly plate (8) is connected with described valve shaft (3) by pivot pin (12).
3. according to the temp-control type double eccentric butterfly valve described in claim 1, it is characterized in that, the diameter of described main butterfly plate (7) is less than the internal diameter of described valve seat (4).
4. according to the temp-control type double eccentric butterfly valve described in claim 1, it is characterized in that, the external diameter of described O-ring seal (9) is less than the internal diameter of described valve seat (4).
5. according to the temp-control type double eccentric butterfly valve described in claim 1, it is characterized in that, described electromagnetic heating rod (10) comprises metal bar (13), electromagnetic wire (14), and described electromagnetic wire (14) is wound on described metal bar (13).
6. according to the temp-control type double eccentric butterfly valve described in claim 1, it is characterized in that, described cooling ring (11) comprises Mini compressed pump (15), water-circulating pipe (16), described Mini compressed pump (15) is fixed on described valve body (1) bottom, and described water-circulating pipe (16) is connected with described Mini compressed pump (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320277871.9U CN203488739U (en) | 2013-05-21 | 2013-05-21 | Temperature control type double-eccentric butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320277871.9U CN203488739U (en) | 2013-05-21 | 2013-05-21 | Temperature control type double-eccentric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203488739U true CN203488739U (en) | 2014-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320277871.9U Expired - Fee Related CN203488739U (en) | 2013-05-21 | 2013-05-21 | Temperature control type double-eccentric butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203488739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265914A (en) * | 2014-10-21 | 2015-01-07 | 成都市翻鑫家科技有限公司 | Butterfly valve for mine main fan |
| CN109632505A (en) * | 2018-12-25 | 2019-04-16 | 南通同诚建设工程质量检测有限公司 | A kind of indoor doors or windows detector effectively improving measuring accuracy |
| CN113464662A (en) * | 2021-07-29 | 2021-10-01 | 洛阳三旋智能装备有限公司 | Material valve structure is got to reation kettle bottom |
-
2013
- 2013-05-21 CN CN201320277871.9U patent/CN203488739U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265914A (en) * | 2014-10-21 | 2015-01-07 | 成都市翻鑫家科技有限公司 | Butterfly valve for mine main fan |
| CN109632505A (en) * | 2018-12-25 | 2019-04-16 | 南通同诚建设工程质量检测有限公司 | A kind of indoor doors or windows detector effectively improving measuring accuracy |
| CN109632505B (en) * | 2018-12-25 | 2021-05-18 | 南通同诚建设工程质量检测有限公司 | Indoor door and window detector capable of effectively improving measurement accuracy |
| CN113464662A (en) * | 2021-07-29 | 2021-10-01 | 洛阳三旋智能装备有限公司 | Material valve structure is got to reation kettle bottom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20180521 |