CN204533775U - A kind of two-way valve that bimetallic strip is housed - Google Patents
A kind of two-way valve that bimetallic strip is housed Download PDFInfo
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- CN204533775U CN204533775U CN201520111697.XU CN201520111697U CN204533775U CN 204533775 U CN204533775 U CN 204533775U CN 201520111697 U CN201520111697 U CN 201520111697U CN 204533775 U CN204533775 U CN 204533775U
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- valve rod
- bimetallic strip
- cylinder body
- valve
- hole
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Abstract
The utility model relates to a kind of two-way valve that bimetallic strip is housed, described cylinder body insertion part is vertically furnished with through hole, the side of described cylinder body and lower end are all furnished with the valve port communicated with through hole, vertically valve rod is installed in the through hole of described cylinder body, described valve rod lower end is coniform in what just putting, in described control box, horizontal arrangement has bimetallic strip, described bimetallic strip one end solderless wrapped connection has the heating wire be connected with tenminal block, and be fixed in insulating ceramics fixed base, the described bimetallic strip the other end leans on mutually with the upper end of valve rod, described valve rod upper end is socketed with spring, described spring upper end leans on mutually with the location piece being arranged on valve rod upper end, the lower end of spring is leaned on mutually with cylinder upper end face.The utility model has that structure is simple, easy for installation, Safety performance high when using.
Description
Technical field
The utility model relates to two-way valve and manufactures field, particularly relates to a kind of two-way valve that bimetallic strip is housed.
Background technique
As shown in Figure 2, when valve body carrier gas originally, first energising makes the heating wire in valve body heat up, and heating wire intensification can make the temperature of bimetallic strip raise, and bimetallic strip, due to high temperature, deformation occurs afterwards, valve body is opened, suction port is communicated with air outlet, and valve body starts carrier gas in this case, and gas can contact with heating wire, this can cause potential safety hazard, and in order to solve the problem, a kind of new valve body structure of design is necessary.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of two-way valve that bimetallic strip is housed, and has that structure is simple, easy for installation, Safety performance high when using.
The utility model solves the technological scheme that its technical problem adopts: provide a kind of two-way valve that bimetallic strip is housed, comprise cylinder body, control box and cover plate, the side of described control box is furnished with cylinder body, described cover plate is arranged on control box upper end open place, described cover plate inserts side by side with cylinder body mounting point opposite position pair of terminals is installed, described cover plate lower end surface is provided with insulating ceramics fixed base, described insulating ceramics fixed seating is below tenminal block, described cylinder interior is vertically furnished with through hole, the side of described cylinder body and lower end are all furnished with the valve port communicated with through hole, vertically valve rod is slidably fitted with in the through hole of described cylinder body, described valve rod lower end is coniform in what just putting, in described control box, horizontal arrangement has bimetallic strip, described bimetallic strip one end solderless wrapped connection has the heating wire be connected with tenminal block, and be fixed in insulating ceramics fixed base, the described bimetallic strip the other end leans on mutually with the upper end of valve rod, described valve rod upper end is socketed with spring, described spring upper end leans on mutually with the location piece being arranged on valve rod upper end, lower end and the through hole upper-end surface of spring are withstood, by installing valve rod, and valve rod lower end is arranged in positive coniform, two of cylinder body valve ports can be opened or closed along with moving up and down of valve rod, by installing heating wire and tenminal block, heating wire is made to pass through current heating, heating makes bi-metal plate deformed, bi-metal plate deformed is bent downwardly near one end of valve rod, to the pressure that valve rod is downward, pass through mounting spring, make when the bimetallic strip downforce suffered by valve rod disappears time, valve rod can automatically reply, control box and cylinder body can be that two assembling components form, also can be integrally formed.
Supplement as to the one of technological scheme described in the utility model, one end that described bimetallic strip and the upper end of valve rod are leaned on mutually is provided with and contacts platform, described contact platform lower end surface and the upper end Xiang Ding of valve rod, contact platform adopts insulating material, when contact platform is heated together with tinsel, can not deformation be there is, avoid the appearance of the situation that valve seal effect declines.
Supplementing as to the one of technological scheme described in the utility model, in the upper and lower end of described cylinder body upper through-hole, be all furnished with seal ring, by arranging two seal rings, improving the sealability of whole valve body.
Supplement as to the one of technological scheme described in the utility model, the seal ring being positioned at through hole upper end is arranged on cylinder body, described seal ring inner ring and the outer ring of valve rod fit tightly, the annular pressing plate be socketed on valve rod is installed above described seal ring, described annular pressing plate lower end surface is leaned on mutually with seal ring, upper-end surface is pushed up mutually with lower spring end, by being provided with seal ring on cylinder body upper through-hole position, when valve body is opened, gas can not flow into control box inside from through hole, and when whole valve body is used, Safety performance improves.
Supplement as to the one of technological scheme described in the utility model, the seal ring being positioned at through hole lower end is socketed in the top in coniform portion, valve rod lower end, when spring is in normal state, sealing circle outer ring and cylinder body upper inside wall fit tightly, by being socketed with seal ring at conus portion top, valve rod lower end, valve body is made to be in the phenomenon that there will not be leakage in idle situation.
Supplement as to the one of technological scheme described in the utility model, two valve port places of described cylinder body are provided with filter screen, and make valve body can play the effect of filtration by installing filter screen, the gas of transport is more clean.
beneficial effect
The utility model relates to a kind of two-way valve that bimetallic strip is housed, by installing valve rod, and valve rod lower end is arranged in positive coniform, two of cylinder body valve ports can be opened or closed along with moving up and down of valve rod, by installing heating wire and tenminal block, heating wire is made to pass through current heating, heating makes bi-metal plate deformed, bi-metal plate deformed is bent downwardly near one end of valve rod, to the pressure that valve rod is downward, pass through mounting spring, make when the bimetallic strip downforce suffered by valve rod disappears time, valve rod can automatically reply, by the cylinder body of carrier gas is originally separated with control system, gas can not be contacted with heating wire, prevent because gas is heated by heating wire and the situation of being heated of tinsel is affected, bimetallic strip heating space is semi open model space, do not contact with gas, without security concerns.The utility model also has that structure is simple, easy for installation, Safety performance high when using.
Accompanying drawing explanation
Fig. 1 is whole-cutaway view of the present utility model;
Fig. 2 is the whole-cutaway view before the utility model improves;
Fig. 3 is the broken section enlarged view of the utility model spring;
Fig. 4 is the broken section enlarged view in the utility model seal ring portion;
Fig. 5 is the whole-cutaway view of cylinder body described in the utility model.
Diagram: 1, valve rod, 2, seal ring, 3, spring, 4, location piece, 5, bimetallic strip, 7, insulating ceramics fixed base, 8, tenminal block, 9, heating wire, 10, cover plate, 11, contact platform, 12, control box, 13, annular pressing plate, 14, filter screen, 15, cylinder body, 16, through hole, 17, valve port.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Mode of execution of the present utility model relates to a kind of two-way valve that bimetallic strip is housed, as shown in Fig. 1-5, a kind of two-way valve that bimetallic strip is housed, comprise cylinder body 15, control box 12 and cover plate 10, the side of described control box 12 is furnished with cylinder body 15, described cover plate 10 is arranged on control box 12 upper end open place, described cover plate 10 inserts side by side with cylinder body 15 mounting point opposite position pair of terminals 8 is installed, described cover plate 10 lower end surface is provided with insulating ceramics fixed base 7, described insulating ceramics fixed base 7 is positioned at below tenminal block 8, described cylinder body 15 inner vertical is furnished with through hole 16, the side of described cylinder body 15 and lower end are all furnished with the valve port 17 communicated with through hole 16, valve rod 1 is vertically slidably fitted with in the through hole 16 of described cylinder body 15, described valve rod 1 lower end is coniform in what just putting, in described control box 12, horizontal arrangement has bimetallic strip 5, described bimetallic strip 5 one end solderless wrapped connection has the heating wire 9 be connected with tenminal block 8, and be fixed in insulating ceramics fixed base 7, described bimetallic strip 5 the other end leans on mutually with the upper end of valve rod 1, described valve rod 3 upper end is socketed with spring 3, described spring 3 upper end is leaned on mutually with the location piece 4 being arranged on valve rod 1 upper end, lower end and through hole 16 upper-end surface of spring 3 are withstood.
One end that described bimetallic strip 5 and the upper end of valve rod 1 are leaned on mutually is provided with and contacts platform 11, described contact platform 11 lower end surface and the upper end Xiang Ding of valve rod 1.
Seal ring 2 is all furnished with in the upper and lower end of described cylinder body 15 upper through-hole 16.
The seal ring 2 being positioned at through hole 16 upper end is arranged on cylinder body 15, described seal ring 2 inner ring and the outer ring of valve rod 1 fit tightly, the annular pressing plate 13 be socketed on valve rod 1 is installed above described seal ring 2, described annular pressing plate 13 lower end surface is leaned on mutually with seal ring 2, upper-end surface and spring 3 lower end Xiang Ding.
The seal ring 2 being positioned at through hole 16 lower end is socketed in the top in coniform portion, valve rod 1 lower end, when spring 3 in the raw time, sealing circle 2 outer ring and cylinder body 15 upper inside wall fit tightly.
Two valve port 17 places of described cylinder body 15 are provided with filter screen 14.
Embodiment 1
When the two-way valve installed is started working time, tenminal block 8 on cover plate 10 switches on power, heating wire 9 afterwards in control box 12 is started working, the evolution of heat, heat makes bimetallic strip 5 bend, its one end of installing contact platform 11 moves down, contact platform 11 makes valve rod 1 press down, simultaneously because the location piece 4 on valve rod 1, spring 3 is compressed, now there is space in valve rod 1 and cylinder body 15 inwall, valve body circulation is started working, when needs valve body time, stop energising, heating wire 9 is made to recover normal temperature, bimetallic strip 5 returns to state originally afterwards, afterwards because the elastic force of spring 3, valve rod 1 is made to increase, seal ring 2 on valve rod 1 lower end fits tightly with cylinder body 15 inwall, whole valve body is quit work.
Embodiment 2
The valve port 17 of cylinder body 15 lower end and side not only can be used as suction port but also can be used as air outlet hole, concrete situation needs to determine according to the density of mounting point and carrier gas, when the gas density of transporting is greater than air time, usually the valve port 17 of cylinder body 15 side is used as suction port, the valve port 17 of lower end is used as air outlet, when the density of the gas transported is less than air density time, usually the valve port 17 of lower end is used as suction port, the valve port 17 of side is used as air outlet, valve port 17 is all provided with filter screen 14, the degree of purity of carrier gas can be improved greatly.
Claims (6)
1. one kind is equipped with the two-way valve of bimetallic strip, comprise cylinder body (15), control box (12) and cover plate (10), the side of described control box (12) is furnished with cylinder body (15), described cover plate (10) is arranged on control box (12) upper end open place, upper and cylinder body (15) the mounting point opposite position of described cover plate (10) inserts side by side and is provided with pair of terminals (8), described cover plate (10) lower end surface is provided with insulating ceramics fixed base (7), described insulating ceramics fixed base (7) is positioned at tenminal block (8) below, it is characterized in that: described cylinder body (15) inner vertical is furnished with through hole (16), the side of described cylinder body (15) and lower end are all furnished with the valve port (17) communicated with through hole (16), valve rod (1) is vertically slidably fitted with in the through hole (16) of described cylinder body (15), described valve rod (1) lower end is coniform in what just putting, described control box (12) interior horizontal arrangement has bimetallic strip (5), described bimetallic strip (5) one end solderless wrapped connection has the heating wire (9) be connected with tenminal block (8), and be fixed in insulating ceramics fixed base (7), described bimetallic strip (5) the other end leans on mutually with the upper end of valve rod (1), described valve rod (3) upper end is socketed with spring (3), described spring (3) upper end is leaned on mutually with the location piece (4) being arranged on valve rod (1) upper end, lower end and through hole (16) upper-end surface of spring (3) are withstood.
2. a kind of two-way valve that bimetallic strip is housed according to claim 1, it is characterized in that: one end that described bimetallic strip (5) and the upper end of valve rod (1) are leaned on mutually is provided with and contacts platform (11), described contact platform (11) lower end surface and the upper end Xiang Ding of valve rod (1).
3. a kind of two-way valve that bimetallic strip is housed according to claim 1 and 2, is characterized in that: be all furnished with seal ring (2) in the upper and lower end of described cylinder body (15) upper through-hole (16).
4. a kind of two-way valve that bimetallic strip is housed according to claim 3, it is characterized in that: the seal ring (2) being positioned at through hole (16) upper end is arranged on cylinder body (15), described seal ring (2) inner ring and the outer ring of valve rod (1) fit tightly, described seal ring (2) top is provided with the annular pressing plate (13) be socketed on valve rod (1), described annular pressing plate (13) lower end surface is leaned on mutually with seal ring (2), upper-end surface and spring (3) lower end Xiang Ding.
5. a kind of two-way valve that bimetallic strip is housed according to claim 4, it is characterized in that: the seal ring (2) being positioned at through hole (16) lower end is socketed in the top in coniform portion, valve rod (1) lower end, when spring (3) is in normal state, sealing circle (2) outer ring and cylinder body (15) upper inside wall fit tightly.
6. a kind of two-way valve that bimetallic strip is housed according to claim 1 and 2, is characterized in that: two valve port (17) places of described cylinder body (15) are provided with filter screen (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111697.XU CN204533775U (en) | 2015-02-15 | 2015-02-15 | A kind of two-way valve that bimetallic strip is housed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111697.XU CN204533775U (en) | 2015-02-15 | 2015-02-15 | A kind of two-way valve that bimetallic strip is housed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204533775U true CN204533775U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520111697.XU Active CN204533775U (en) | 2015-02-15 | 2015-02-15 | A kind of two-way valve that bimetallic strip is housed |
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| CN (1) | CN204533775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044561A (en) * | 2017-05-19 | 2017-08-15 | 中山万和电器有限公司 | The gas valve body device of controllable temperature |
| CN112845353A (en) * | 2020-12-29 | 2021-05-28 | 宁波斯贝科技缸套有限公司 | A wash case for aluminum casting cylinder liner |
-
2015
- 2015-02-15 CN CN201520111697.XU patent/CN204533775U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044561A (en) * | 2017-05-19 | 2017-08-15 | 中山万和电器有限公司 | The gas valve body device of controllable temperature |
| CN112845353A (en) * | 2020-12-29 | 2021-05-28 | 宁波斯贝科技缸套有限公司 | A wash case for aluminum casting cylinder liner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |