CN203067829U - Automatic emptying valve of solar hot water tube - Google Patents
Automatic emptying valve of solar hot water tube Download PDFInfo
- Publication number
- CN203067829U CN203067829U CN 201220643944 CN201220643944U CN203067829U CN 203067829 U CN203067829 U CN 203067829U CN 201220643944 CN201220643944 CN 201220643944 CN 201220643944 U CN201220643944 U CN 201220643944U CN 203067829 U CN203067829 U CN 203067829U
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- CN
- China
- Prior art keywords
- valve body
- thermosensitive element
- spring
- valve
- plug
- 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.)
- Expired - Fee Related
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- Temperature-Responsive Valves (AREA)
- Safety Valves (AREA)
Abstract
An automatic emptying valve of a solar hot water tube comprises a valve body, a top cap, a thermosensitive element, a thermosensitive element support, a first spring, a drain plug, an ejector rod, a spring base and a second spring, wherein a first water opening, a second water opening and a water draining opening are formed in the valve body and all communicated with an inner cavity of the valve body, a valve opening is formed in a separation board, the thermosensitive element, the thermosensitive element support, the first spring and the drain plug are all arranged inside the valve body, the thermosensitive element support abuts against the thermosensitive element, the drain plug is arranged above the valve opening, the ejector rod penetrates through the valve opening, two ends of the ejector rod are respectively connected with the drain plug and the spring base, the valve body comprises an upper vale body and a lower valve body, the upper valve body is in threaded connection with the lower valve body, a sealing ring is arranged at a connecting port position of the upper valve body and the lower valve body, one end of the ejector rod is inserted in a hole in the bottom of the drain plug in a loose fit mode, and the other end of the ejector rod is inserted in a hole in the top of the spring base in a close fit mode. The automatic emptying valve of the solar hot water tube can automatically drain residual water in a water tube under the low-temperature condition, and ensures that the water tube is not damaged.
Description
Technical field
The utility model relates to the valve on a kind of solar water pipeline.
Background technique
When solar water heater used in winter, can run into the water that remains in the water pipe, when temperature decline is frozen, water pipe is supportted quick-fried situation, therefore, people use solar energy in winter, have in cold day or evening, water in the outdoor water pipe is bled off by manual mode, take place to avoid this destruction.
The model utility content
The purpose of this utility model be to provide a kind of can be when low temperature the residuary waters in the automatic emptying water pipe, guarantee the solar water heating pipe exhaust-valve that water pipe is not destroyed.
The technological scheme that realizes above-mentioned purpose is: a kind of solar water heating pipe exhaust-valve, comprise valve body, also comprise the top cap, thermosensitive element, the thermosensitive element support, first spring, plug, push rod, spring seat and second spring, described valve body is provided with first mouth of a river, second mouth of a river and dewatering outlet, first mouth of a river, second mouth of a river all communicates with the inner chamber of valve body, has dividing plate in the described valve body, has valve port on the dividing plate, one end of valve port leads to first mouth of a river and second mouth of a river, the other end leads to the dewatering outlet, described thermosensitive element, the thermosensitive element support, first spring, plug all is positioned at valve body, and be positioned at dividing plate one side, described top cap is fixedlyed connected with the upper end of valve body, thermosensitive element push rod and the top cap of described thermosensitive element offset, described thermosensitive element support and thermosensitive element offset, the upper end of described first spring and thermosensitive element support offset, lower end and plug offset, described plug is positioned at the top of valve port, and open with valve port, close cooperation, described spring seat is positioned at the below of valve port, push rod pass valve port, and two ends are connected with spring seat with plug respectively, one end and the spring seat of described second spring offset, the bottom of the other end and valve body offsets, described valve body comprises upper valve body and following valve body, upper valve body and following valve body are threaded, the jointing of upper valve body and following valve body has seal ring, the one end loose fit ground of described push rod inserts in the hole of plug bottom, and the other end inserts in the hole at spring seat top tightly.
After adopting technique scheme, provide thermosensitive element control plug to cooperate with the open and close of valve port, can be when low temperature the residuary waters in the automatic emptying water pipe, guarantee that water pipe is not destroyed.
Description of drawings
The embodiment who provides below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is the structural representation of solar water heating pipe exhaust-valve of the present utility model;
Fig. 2 is a kind of view of Fig. 1;
Fig. 3 is the another kind of view of Fig. 2;
Fig. 4 is another embodiment's structural representation.
Embodiment
As Fig. 1,2, shown in 3, a kind of solar water heating pipe exhaust-valve of the present utility model, comprise valve body 2, also comprise top cap 1, thermosensitive element 3, thermosensitive element support 4, first spring 5, plug 6, push rod 7, spring seat 8 and second spring 10, described valve body 2 is provided with first mouth of a river 2-1, second mouth of a river 2-2 and dewatering outlet 2-3, first mouth of a river 2-1, second mouth of a river 2-2 all communicates with the inner chamber 2-6 of valve body 2, has dividing plate 2-4 in the described valve body 2, has valve port 2-5 on the dividing plate 2-4, the end of valve port 2-5 leads to first mouth of a river 2-1 and second mouth of a river 2-2, the other end leads to dewatering outlet 2-3, described thermosensitive element 3, thermosensitive element support 4, first spring 5, plug 6 all is positioned at valve body 2, and be positioned at dividing plate 2-4 one side, described top cap 1 is fixedlyed connected with the upper end of valve body 2, thermosensitive element push rod 3-1 and the top cap 1 of described thermosensitive element 3 offset, described thermosensitive element support 4 offsets with thermosensitive element 3, the upper end of described first spring 5 and thermosensitive element support 4 offset, lower end and plug 6 offset, described plug 6 is positioned at the top of valve port 2-5, and 2-5 opens with valve port, close cooperation, described spring seat 8 is positioned at the below of valve port 2-5, push rod 7 pass valve port 2-5, and two ends are connected with spring seat 8 with plug 6 respectively, one end and the spring seat 8 of described second spring 10 offset, the bottom of the other end and valve body 2 offsets, described valve body 2 comprises upper valve body 2 ' and following valve body 9, upper valve body 2 ' and following valve body 9 are threaded, the jointing of upper valve body 2 ' and following valve body 9 has seal ring (11), the one end loose fit ground of described push rod 7 inserts in the hole of plug 6 bottoms, and the other end inserts in the hole at spring seat 8 tops tightly.
The model that thermosensitive element 3 can adopt Suzhou to contain the production of source Science and Technology Ltd. is the thermosensitive element of LG0829.
As shown in Figure 1, 2, 3, described have seam 9-2 in the valve body 9 down, and an end of second spring 10 is against down on the seam 9-2 of valve body 9, and the other end is against in the counterbore 8-1 of spring seat 8.
As shown in Figure 1, 2, 3, described plug 6 has conical surface 6-2, and conical surface 6-2 cooperates with valve port 2-5 upper end.
As shown in Figure 1, 2, 3, the top of described plug 6 has plug counterbore 6-1, and thermosensitive element support 4 has stepped part 4-1, and the lower end of first spring 5 is inserted in the plug counterbore 6-1, and the stepped part 4-1 of lower end and thermosensitive element support 4 offsets.
When the utility model uses, as shown in Figure 2, when the temperature of the water that enters valve body 2 via first mouth of a river 2-1 surpasses setting temperature, thermosensitive element push rod 3-1 stretches out, the stepped part 4-1 that promotes thermosensitive element support 4 is downward, namely promotes thermosensitive element support 4 and moves down, and compresses first spring 5, first spring 5 is owing to be compressed, promote plug 6 and move down, plug conical surface 6-2 is pressed on the valve port 2-5, simultaneously tightly, moving down of plug 6, promote push rod 7 and move down, promote spring seat 8 and move down, compress second spring 10, water inlet is flowed out by second mouth of a river 2-2 via the inner chamber 2-6 of valve body 2 again.As shown in Figure 3, when the temperature that enters the water of valve body 2 via first mouth of a river 2-1 was lower than setting temperature, thermosensitive element push rod 3-1 shrank, at this moment, compressed second spring 10 promotes push rod 7 and moves up, push rod 7 promotes plug 6 and moves up, and plug 6 promotes first spring 5 and moves up, and first spring 5 promotes thermosensitive element support 4 and moves up, at this moment, plug conical surface 6-2 and valve port 2-5 break away from, and water is discharged by dewatering outlet 2-3 by the inner chamber 9-1 that the inner chamber 2-6 of valve body 2 enters down valve body 9 again.
As shown in Figure 4, present embodiment has been cancelled thermosensitive element support 4, and an end of first spring 5 is inserted in the plug counterbore 6-1, and the other end is directly conflicted below the step of thermosensitive element 3.All the other structures are identical with first embodiment.
Claims (1)
1. a solar water heating pipe exhaust-valve comprises valve body (2), it is characterized in that:
A, also comprise top cap (1), thermosensitive element (3), thermosensitive element support (4), first spring (5), plug (6), push rod (7), spring seat (8) and second spring (10),
B, described valve body (2) are provided with first mouth of a river (2-1), second mouth of a river (2-2) and dewatering outlet (2-3), and first mouth of a river (2-1), second mouth of a river (2-2) all communicate with the inner chamber (2-6) of valve body (2),
Have dividing plate (2-4) in c, the described valve body (2), have valve port (2-5) on the dividing plate (2-4), an end of valve port (2-5) leads to first mouth of a river (2-1) and second mouth of a river (2-2), and the other end leads to dewatering outlet (2-3),
D, described thermosensitive element (3), thermosensitive element support (4), first spring (5), plug (6) all are positioned at valve body (2) and are positioned at dividing plate (2-4) side,
E, described top cap (1) are fixedlyed connected with the upper end of valve body (2),
The thermosensitive element push rod (3-1) of f, described thermosensitive element (3) offsets with top cap (1),
G, described thermosensitive element support (4) offset with thermosensitive element (3),
The upper end of h, described first spring (5) and thermosensitive element support (4) offset, and lower end and plug (6) offset,
I, described plug (6) are positioned at the top of valve port (2-5), and cooperate with valve port (2-5) open and close,
J, described spring seat (8) are positioned at the below of valve port (2-5), push rod (7) pass valve port (2-5), and two ends are connected with spring seat (8) with plug (6) respectively,
One end of k, described second spring (10) and spring seat (8) offset, and the bottom of the other end and valve body (2) offsets,
L, described valve body (2) comprise upper valve body (2 ') and following valve body (9), and upper valve body (2 ') and following valve body (9) are threaded, and the jointing of upper valve body (2 ') and following valve body (9) has seal ring (11),
The one end loose fit ground of m, described push rod (7) inserts in the hole of plug (6) bottom, and the other end inserts in the hole at spring seat (8) top tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220643944 CN203067829U (en) | 2012-11-29 | 2012-11-29 | Automatic emptying valve of solar hot water tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220643944 CN203067829U (en) | 2012-11-29 | 2012-11-29 | Automatic emptying valve of solar hot water tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067829U true CN203067829U (en) | 2013-07-17 |
Family
ID=48766615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220643944 Expired - Fee Related CN203067829U (en) | 2012-11-29 | 2012-11-29 | Automatic emptying valve of solar hot water tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067829U (en) |
-
2012
- 2012-11-29 CN CN 201220643944 patent/CN203067829U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20131129 |