CN212132002U - Double-valve-seat inverted bucket type drain valve - Google Patents
Double-valve-seat inverted bucket type drain valve Download PDFInfo
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- CN212132002U CN212132002U CN202020659187.7U CN202020659187U CN212132002U CN 212132002 U CN212132002 U CN 212132002U CN 202020659187 U CN202020659187 U CN 202020659187U CN 212132002 U CN212132002 U CN 212132002U
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Abstract
The utility model discloses a bivalve seat inverse hanging bucket formula trap, it includes inverse hanging bucket formula trap body, inverse hanging bucket formula trap body include the sealed cowling in the disk seat installation body of the fluid outlet of inverse hanging bucket formula trap body, two disk seats that are provided with the wash port respectively, with the disk seat one-to-one, and be used for the case of sealed corresponding wash port, the valve rod that links to each other with two cases and through link gear with the valve rod links to each other in order to drive the case through link gear and remove so that the case seals the wash port and hangs down under it and drive the case through link gear and remove so that the case breaks away from the inverse hanging bucket of wash port, and a disk seat inlays in the upper wall of disk seat installation body, and another disk seat inlays in the lower wall of disk seat installation body. The utility model discloses a two case come to balance the pressure of pressure differential to the case, and then accomplish bigger size's case and wash port, increase displacement.
Description
Technical Field
The utility model relates to a double-valve-seat inverted bucket type drain valve.
Background
The traditional inverted bucket type drain valve is a single valve seat, when the working pressure difference is large, the dead weight of the inverted bucket is limited, so that the size of a drain hole formed in the valve seat can be reduced only to prevent the valve core from being influenced by the pressure received by the valve core, the size of the valve core is reduced, and the drain hole with small size can influence the drainage efficiency.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a bivalve seat inverted bucket formula trap, it balances the pressure of pressure differential to the case through two cases, and then accomplishes bigger size's case and wash port, increase displacement.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a bivalve seat inverted bucket formula trap, it includes inverted bucket formula trap body, inverted bucket formula trap body includes:
the valve seat mounting body is covered on the fluid outlet of the inverted bucket type drain valve body in a sealing manner;
two valve seats with drain holes respectively, one valve seat is embedded in the upper wall of the valve seat mounting body, and the other valve seat is embedded in the lower wall of the valve seat mounting body;
the valve cores correspond to the valve seats one by one and are used for sealing the corresponding drain holes;
a valve rod connected with the two valve cores;
the inverted bucket is connected with the valve rod through a linkage mechanism so as to drive the valve core to move through the linkage mechanism when the valve core floats upwards to enable the valve core to seal the drain hole, and drive the valve core to move through the linkage mechanism when the valve core hangs downwards to enable the valve core to be separated from the drain hole.
Further provided is a concrete structure of inverted bucket type steam trap body, the inverted bucket type steam trap body still includes:
a valve body having a valve cavity and a fluid inlet, the inverted bucket being disposed within the valve cavity with the opening facing downward;
and the inlet of the liquid inlet pipe assembly is communicated with the fluid inlet, and the outlet of the liquid inlet pipe assembly is just opposite to the opening of the inverted bucket.
Further in order to filter the condensate, a filter screen is arranged in the liquid inlet pipe assembly.
Further provided is a concrete structure of a liquid inlet pipe assembly, the liquid inlet pipe assembly comprising:
the inlet of the first liquid inlet pipe is communicated with the fluid inlet;
the filter screen is arranged in the filter pipe, and the outlet of the first liquid inlet pipe is communicated with the filter pipe;
and the inlet of the second liquid inlet pipe is communicated with the filter pipe, and the outlet of the second liquid inlet pipe is opposite to the inverted bucket.
Further in order to prevent the backflow of the condensate, a check valve is installed at the outlet of the liquid inlet pipe assembly.
The linkage mechanism comprises a connecting rod, the middle part of the connecting rod is hinged to the inverted bucket type drain valve body, one end of the connecting rod is hinged to the inverted bucket, and the other end of the connecting rod is hinged to the upper end of the valve rod.
Further, in order to facilitate the hinging of the connecting rod with the inverted bucket type drain valve body and the inverted bucket, the inverted bucket is fixedly connected with a first suspender, and one end of the connecting rod is hinged with the first suspender;
the inverted bucket type drain valve body is fixedly connected with a second suspender, and the middle part of the connecting rod is hinged with the second suspender.
Further, the valve body includes a valve body and a valve cover covering the valve body.
Furthermore, a steam hole for steam in the inverted bucket to emerge is arranged on the wall of the inverted bucket.
Further, in order to enable the valve core to better seal the corresponding drain hole, the lower end part of the valve core is conical, and the inner peripheral surface of at least one section of the drain hole is a conical surface matched with the lower end part of the corresponding valve core.
After the technical scheme is adopted, the opening of the inverted bucket faces downwards, when the equipment is just started, air and low-temperature condensed water in the pipeline enter the inverted bucket type drain valve body, the inverted bucket droops by self weight, two valve cores are opened through a linkage mechanism for draining water, after the steam enters the inverted bucket type drain valve body, the steam in the inverted bucket generates upward buoyancy, the inverted bucket ascends and drives the two valve cores to close through the linkage mechanism, a steam hole is formed in the inverted bucket, when partial steam is emitted from the steam hole, the inverted bucket loses buoyancy and droops by self weight after partial steam is condensed, the two valve cores are opened through the linkage mechanism for draining water, and the steam and the water are circularly operated in such a way, so that the steam and the water are blocked, the utility model is provided with the two valve cores, the stress directions of the two valve cores are opposite, the pressure of pressure difference to the valve cores can be balanced, and the valve cores and the drain holes with larger sizes can be, the drainage efficiency is improved, and the drainage quantity is increased.
Drawings
FIG. 1 is a schematic structural view of a double-seat inverted bucket type trap of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in FIG. 1, a double-valve-seat inverted bucket type steam trap comprises an inverted bucket type steam trap body, which comprises:
a valve seat mounting body 2 which is sealed and covered on a fluid outlet 1 of the inverted bucket type drain valve body;
two valve seats 3 respectively provided with drain holes 6, one valve seat 3 is embedded in the upper wall of the valve seat mounting body 2, and the other valve seat 3 is embedded in the lower wall of the valve seat mounting body 2;
the valve cores 4 correspond to the valve seats 3 one by one and are used for sealing the corresponding drain holes 6;
a valve rod 5 connected with the two valve cores 4;
a reverse bucket 7 which is connected with the valve rod 5 through a linkage mechanism so as to drive the valve core 4 to move through the linkage mechanism when the valve core is floated up, so that the valve core 4 seals the drain hole 6, and drive the valve core 4 to move through the linkage mechanism when the valve core is hung down, so that the valve core is separated from the drain hole 6.
Specifically, the opening of the inverted bucket 7 is downward, when the device is just started, air and low-temperature condensed water in the pipeline enter the inverted bucket type drain valve body, the inverted bucket 7 sags by self weight, the two valve cores 4 are opened through the linkage mechanism for draining water, after the steam enters the inverted bucket type drain valve body, the steam in the inverted bucket 7 generates upward buoyancy, the inverted bucket 7 rises and drives the two valve cores 4 to close through the linkage mechanism, the inverted bucket 7 is provided with steam holes, after partial steam emerges from the steam holes and condenses, the inverted bucket 7 loses buoyancy, sags by self weight, and opens the two valve cores 4 through the linkage mechanism for draining water, so that the circulation work is realized, the steam is blocked for draining water, the utility model is provided with the two valve cores 4, the stress directions of the two valve cores 4 are opposite, the pressure of the pressure difference on the valve cores 4 can be balanced, and further the valve cores 4 and the drain holes 6 can be realized, the drainage efficiency is improved, and the drainage quantity is increased.
As shown in fig. 1, the inverted bucket trap body further includes:
a valve body having a valve chamber 8 and a fluid inlet 19, the inverted bucket 7 being disposed within the valve chamber 8 with its opening facing downward;
and the inlet of the liquid inlet pipe assembly is communicated with the fluid inlet 19, and the outlet of the liquid inlet pipe assembly is opposite to the opening of the inverted bucket 7.
As shown in fig. 1, a filter screen 9 is provided in the liquid inlet pipe assembly to filter the condensate.
As shown in fig. 1, the inlet pipe assembly includes:
a first inlet pipe 10, the inlet of which communicates with the fluid inlet 19;
the filter screen 9 is arranged in the filter pipe 11, and the outlet of the first liquid inlet pipe 10 is communicated with the filter pipe 11;
and the inlet of the second liquid inlet pipe 12 is communicated with the filter pipe 11, and the outlet of the second liquid inlet pipe 12 is opposite to the inverted bucket 7.
As shown in fig. 1, in order to prevent the backflow of the condensate, the outlet of the liquid inlet pipe assembly is installed with a check valve 13.
As shown in fig. 1, the linkage mechanism includes a connecting rod 14, the middle part of the connecting rod 14 is hinged to the inverted bucket type trap body, one end of the connecting rod is hinged to the inverted bucket 7, and the other end of the connecting rod is hinged to the upper end of the valve rod 5.
As shown in fig. 1, in order to facilitate the hinge connection between the connecting rod 14 and the inverted bucket type trap body and the inverted bucket 7, the inverted bucket 7 is fixedly connected with a first suspender 15, and one end of the connecting rod 14 is hinged to the first suspender 15;
the inverted bucket type steam trap body is fixedly connected with a second suspender 16, and the middle part of the connecting rod 14 is hinged with the second suspender 16.
As shown in fig. 1, the valve main body includes a valve body 17 and a valve cover 18 covering the valve body 17.
As shown in fig. 1, a steam hole for letting out steam in the inverted bucket 7 is opened on the bucket wall.
As shown in fig. 1, in order to make the valve core 4 better seal the corresponding drain hole 6, the lower end of the valve core 4 is tapered, and the inner circumferential surface of at least one section of the drain hole 6 is a tapered surface matched with the lower end of the corresponding valve core.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A double-valve-seat inverted bucket type drain valve comprises an inverted bucket type drain valve body and is characterized in that,
the inverted bucket type trap body includes:
a valve seat mounting body (2) which is sealed and covered on a fluid outlet (1) of the inverted bucket type drain valve body;
two valve seats (3) respectively provided with drain holes (6), one valve seat (3) is embedded in the upper wall of the valve seat mounting body (2), and the other valve seat (3) is embedded in the lower wall of the valve seat mounting body (2);
the valve cores (4) correspond to the valve seats (3) one by one and are used for sealing the corresponding drain holes (6);
a valve rod (5) connected with the two valve cores (4);
and the inverted bucket (7) is connected with the valve rod (5) through a linkage mechanism so as to drive the valve core (4) to move through the linkage mechanism when the valve core floats upwards, so that the valve core (4) seals the drain hole (6), and drive the valve core (4) to move through the linkage mechanism when the valve core hangs downwards, so that the valve core is separated from the drain hole (6).
2. The double-seat inverted bucket trap of claim 1,
the inverted bucket type drain valve body further comprises:
a valve body having a valve chamber (8) and a fluid inlet (19), the inverted bucket (7) being disposed within the valve chamber (8) with an opening facing downward;
and the inlet of the liquid inlet pipe assembly is communicated with the fluid inlet (19), and the outlet of the liquid inlet pipe assembly is just opposite to the opening of the inverted bucket (7).
3. The double-seat inverted bucket trap of claim 2,
a filter screen (9) is arranged in the liquid inlet pipe component.
4. The double-seat inverted bucket trap of claim 3,
the feed liquor pipe assembly includes:
a first intake pipe (10) having an inlet in communication with the fluid inlet (19);
the filter screen (9) is arranged in the filter pipe (11), and the outlet of the first liquid inlet pipe (10) is communicated with the filter pipe (11);
the inlet of the second liquid inlet pipe (12) is communicated with the filter pipe (11), and the outlet of the second liquid inlet pipe (12) is opposite to the inverted bucket (7).
5. The double-seat inverted bucket trap of claim 2,
and a check valve (13) is arranged at the outlet of the liquid inlet pipe assembly.
6. The double-seat inverted bucket trap of claim 1,
the linkage mechanism comprises a connecting rod (14), the middle part of the connecting rod (14) is hinged on the inverted bucket type drain valve body, one end of the connecting rod is hinged with the inverted bucket (7), and the other end of the connecting rod is hinged with the upper end part of the valve rod (5).
7. The double-seat inverted bucket trap of claim 6,
the inverted bucket (7) is fixedly connected with a first suspender (15), and one end of the connecting rod (14) is hinged with the first suspender (15);
the inverted bucket type drain valve body is fixedly connected with a second suspender (16), and the middle part of the connecting rod (14) is hinged with the second suspender (16).
8. The double-seat inverted bucket trap of claim 2,
the valve body comprises a valve body (17) and a valve cover (18) covered on the valve body (17).
9. The double-seat inverted bucket trap of claim 1,
the wall of the inverted bucket (7) is provided with a steam hole for steam in the inverted bucket to emerge.
10. The double-seat inverted bucket trap of claim 1,
the lower end part of the valve core (4) is conical, and the inner peripheral surface of at least one section of the water drain hole (6) is a conical surface matched with the lower end part of the corresponding valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659187.7U CN212132002U (en) | 2020-04-26 | 2020-04-26 | Double-valve-seat inverted bucket type drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659187.7U CN212132002U (en) | 2020-04-26 | 2020-04-26 | Double-valve-seat inverted bucket type drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212132002U true CN212132002U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020659187.7U Active CN212132002U (en) | 2020-04-26 | 2020-04-26 | Double-valve-seat inverted bucket type drain valve |
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| Country | Link |
|---|---|
| CN (1) | CN212132002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007588A (en) * | 2021-03-29 | 2021-06-22 | 艾肯（江苏）工业技术有限公司 | Self-centering floating ball trap |
-
2020
- 2020-04-26 CN CN202020659187.7U patent/CN212132002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007588A (en) * | 2021-03-29 | 2021-06-22 | 艾肯（江苏）工业技术有限公司 | Self-centering floating ball trap |
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