CN210601013U - Lever floating ball type drain valve with piston exhaust device - Google Patents
Lever floating ball type drain valve with piston exhaust device Download PDFInfo
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- CN210601013U CN210601013U CN201921743014.7U CN201921743014U CN210601013U CN 210601013 U CN210601013 U CN 210601013U CN 201921743014 U CN201921743014 U CN 201921743014U CN 210601013 U CN210601013 U CN 210601013U
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- shell
- lever
- piston
- floating ball
- exhaust
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Abstract
A lever floating ball type drain valve with a piston exhaust device comprises a valve body, a lever floating ball device and a piston exhaust device, wherein the valve body comprises a first shell (1) and a second shell (2), a medium inlet pipeline (3) is arranged at the upper part of one end of the first shell (1), a medium inlet and outlet pipeline (4) is arranged at the bottom of the first shell (1), the inner cavity of the medium inlet and outlet pipeline (4) is inverted funnel-shaped, the first shell (1) is connected with the second shell (2) through a flange, a flange gasket (5) is arranged between flanges of the first shell (1) and the second shell (2), and the inner bottom surface of the valve body is an inclined plane which inclines upwards; the advantages are that: the exhaust pressure of the exhaust device can be adjusted, and the gas in the pipeline can be completely exhausted.
Description
Technical Field
The utility model relates to the field of mechanical equipment, concretely relates to lever floating ball formula trap with piston exhaust apparatus.
Background
At present, a lever floating ball type steam trap is installed on pipelines with different thicknesses, and because the thicknesses of the pipelines and the pressures of gas to be discharged in different valves of media are different, the exhaust performance of the existing steam trap exhaust device cannot be adjusted according to the pressure of the gas.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to provide a lever float trap with piston exhaust device to overcome the above disadvantages.
The utility model comprises a valve body, a lever floating ball device and a piston exhaust device,
the valve body comprises a first shell and a second shell,
a medium inlet pipeline is arranged at the upper part of one end of the first shell, a medium inlet and outlet pipeline is arranged at the bottom of the first shell, the inner cavity of the medium inlet and outlet pipeline is in an inverted funnel shape, the first shell and the second shell are connected through a flange, a flange gasket is arranged between the flanges of the first shell and the second shell, the inner bottom surface of the valve body is an inclined plane which inclines upwards,
the lever floating ball device comprises a lever bracket, a lever, a lifting rod, a floating ball and a valve clack,
the lever is movably arranged on a lever bracket by a pin shaft, one end of the lever is fixedly connected with the floating ball, the lifting rod is movably arranged at the other end of the lever by the pin shaft, the bottom of the lifting rod is in threaded connection with one end of a connecting rod, the other end of the connecting rod is fixedly connected with the valve clack, the lever floating ball device is arranged in the first shell and the second shell, the lever bracket of the lever floating ball device is fixedly arranged on the inner bottom surface of the first shell, the valve clack of the lever floating ball device is arranged in the medium inlet and outlet pipeline, a drainage gap is formed between the outer wall of the valve clack connecting rod,
the piston exhaust device comprises an upper pressure plate, a pressure regulating nut, a piston, a spring and a lower pressure plate,
the top of the second shell is provided with an air cylinder, the upper part in the air cylinder is provided with internal threads, the bottom of the upper pressure plate is provided with an exhaust column, the exhaust column is symmetrically provided with a pair of third exhaust holes, the bottom surface of the exhaust column is provided with a hemispherical plug, the pressure regulating nut is provided with an exhaust column mounting hole, the outer wall of the pressure regulating nut is provided with external threads matched with the internal threads of the air cylinder, the upper pressure plate is arranged at the top of the air cylinder, the exhaust column is positioned in the exhaust column mounting hole of the pressure regulating nut,
be provided with the sealing washer on the piston, the center department of piston opens has first exhaust hole, and the exit end of first exhaust hole is the hemisphere recess that uses with the cooperation of hemisphere end cap, and the piston is located the cylinder, and spring mounting is between pressure regulating nut and piston, and it has the second exhaust hole that is linked together with first exhaust hole to open on the holding down plate, and the holding down plate is installed in the cylinder bottom to be located the piston below.
The included angle between the inner bottom surface of the valve body and the horizontal plane is α degrees and is 5-15 degrees.
The upper pressure plate and the lower pressure plate are respectively provided with a pair of mounting holes and are respectively mounted on the cylinder through screws.
At least one pair of torsion grooves are annularly and uniformly distributed on the top of the pressure regulating nut.
The utility model has the advantages that: the exhaust pressure of the exhaust device can be adjusted, and the gas in the pipeline can be completely exhausted.
Description of the drawings
Fig. 1 is a schematic structural view of the present invention with a partially hidden valve body.
Fig. 2 is a schematic sectional structure diagram of the present invention.
Fig. 3 is a schematic diagram of a partially enlarged structure of fig. 2 according to the present invention.
Fig. 4 is an exploded view of the piston venting device of the present invention.
Detailed Description
As shown in the attached drawings, the utility model comprises a valve body, a lever floating ball device and a piston exhaust device,
the valve body comprises a first shell 1 and a second shell 2,
a medium inlet pipeline 3 is arranged at the upper part of one end of the first shell 1, a medium inlet and outlet pipeline 4 is arranged at the bottom of the first shell 1, the inner cavity of the medium inlet and outlet pipeline 4 is inverted funnel-shaped, the first shell 1 and the second shell 2 are connected through a flange, a flange gasket 5 is arranged between the flanges of the first shell 1 and the second shell 2, the inner bottom surface of the valve body is an inclined plane which inclines upwards,
the lever floating ball device comprises a lever bracket 6, a lever 7, a lifting rod 8, a floating ball 9 and a valve clack 10,
the lever 7 is movably arranged on the lever bracket 6 by a pin shaft, one end of the lever 7 is fixedly connected with the floating ball 9, the lifting rod 8 is movably arranged at the other end of the lever 7 by the pin shaft, the bottom of the lifting rod 8 is in threaded connection with one end of the connecting rod 11, the other end of the connecting rod 11 is fixedly connected with the valve clack 10, the lever floating ball device is positioned in the first shell 1 and the second shell 2, the lever bracket 6 of the lever floating ball device is fixedly arranged on the inner bottom surface of the first shell 1, the valve clack 10 of the lever floating ball device is positioned in the medium inlet and outlet pipeline 4, a drainage gap is formed between the outer wall of the valve clack connecting rod 11 and the,
the piston exhaust device comprises an upper pressure plate 12, a pressure regulating nut 13, a piston 14, a spring 15 and a lower pressure plate 16,
the top of the second shell 2 is provided with an air cylinder 17, the upper part in the air cylinder 17 is provided with internal threads, the bottom of the upper pressure plate 12 is provided with an exhaust column 18, the exhaust column 18 is symmetrically provided with a pair of third exhaust holes 19, the bottom surface of the exhaust column 18 is provided with a hemispherical plug 20, the pressure regulating nut 13 is provided with an exhaust column mounting hole, the outer wall of the pressure regulating nut 13 is provided with external threads matched with the internal threads of the air cylinder 17, the upper pressure plate 12 is arranged at the top of the air cylinder 17, the exhaust column 18 is positioned in the exhaust column mounting hole of the pressure regulating nut 13,
the piston 14 is provided with a sealing ring 21, a first exhaust hole 22 is formed in the center of the piston 14, the outlet end of the first exhaust hole 22 is a hemispherical groove 23 matched with the hemispherical plug 20 for use, the piston 14 is located in the cylinder 17, the spring 15 is installed between the pressure regulating nut 13 and the piston 14, the lower pressing plate 16 is provided with a second exhaust hole communicated with the first exhaust hole 22, and the lower pressing plate 16 is installed at the bottom of the cylinder 17 and located below the piston 14.
The included angle between the inner bottom surface of the valve body and the horizontal plane is α degrees and is 5-15 degrees.
The upper press plate 12 and the lower press plate 16 are respectively provided with a pair of mounting holes and are respectively mounted on the air cylinders 17 through screws.
At least one pair of torsion grooves 24 are uniformly distributed on the top of the pressure regulating nut 13 in an annular mode.
The working mode and principle are as follows: before the condensed water flows into the valve body, the weight of the floating ball 9 and the lever 7 rotates around the pin shaft through the lever 7, so that the valve clack 10 blocks the inner cavity of the medium inlet and outlet pipeline 4, when the drain valve starts to work, the condensed water enters the pipeline 3 through the medium, the air in the drain valve and in the pipeline sequentially passes through the second exhaust hole, the first exhaust hole 22 and the third exhaust hole 19 of the lower pressure plate 16 to be discharged out of the drain valve along with the rise of the liquid level, the buoyancy borne by the floating ball 9 gradually increases along with the rise of the water level, the floating ball 9 rises, the lever 7 drives the valve clack 10 to descend, the medium inlet and outlet pipeline 4 is communicated, the condensed water in the valve body is discharged through the medium inlet and outlet pipeline 4, after the condensed water flows out, the floating ball 9 and the lever 7 descend under the action of gravity, the valve clack 10 blocks the inner cavity of the medium inlet and outlet, the pressure in the valve body rises to drive the piston 14 to rise, the spring 15 is compressed, and the hemispherical groove 23 is in contact with and sealed with the hemispherical plug 20, so that the steam in the valve body is prevented from being discharged by the piston exhaust device. When the exhaust volume of the piston exhaust device needs to be adjusted, a worker twists the pressure regulating nut 13 to ascend or descend, so that the stroke of the piston 14 can be increased or reduced, and the purpose of adjustment is achieved.
Claims (4)
1. A lever floating ball type drain valve with a piston exhaust device is characterized in that the valve comprises a valve body, a lever floating ball device and a piston exhaust device,
the valve body comprises a first shell (1) and a second shell (2),
a medium inlet pipeline (3) is arranged at the upper part of one end of the first shell (1), a medium inlet and outlet pipeline (4) is arranged at the bottom of the first shell (1), the inner cavity of the medium inlet and outlet pipeline (4) is inverted funnel-shaped, the first shell (1) and the second shell (2) are connected through a flange, a flange gasket (5) is arranged between the flanges of the first shell (1) and the second shell (2), the inner bottom surface of the valve body is an inclined plane which inclines upwards,
the lever floating ball device comprises a lever bracket (6), a lever (7), a lifting rod (8), a floating ball (9) and a valve clack (10),
the lever (7) is movably arranged on the lever bracket (6) through a pin shaft, one end of the lever (7) is fixedly connected with the floating ball (9), the lifting rod (8) is movably arranged at the other end of the lever (7) through the pin shaft, the bottom of the lifting rod (8) is in threaded connection with one end of the connecting rod (11), the other end of the connecting rod (11) is fixedly connected with the valve flap (10), the lever floating ball device is positioned in the first shell (1) and the second shell (2), the lever bracket (6) of the lever floating ball device is fixedly arranged on the inner bottom surface of the first shell (1), the valve flap (10) of the lever floating ball device is positioned in the medium inlet and outlet pipeline (4), and a drainage gap is formed between the outer wall of the valve flap connecting rod (11) and the inner wall of the medium inlet and outlet pipeline (,
the piston exhaust device comprises an upper pressure plate (12), a pressure regulating nut (13), a piston (14), a spring (15) and a lower pressure plate (16),
an air cylinder (17) is arranged at the top of the second shell (2), internal threads are arranged at the upper part in the air cylinder (17), an exhaust column (18) is arranged at the bottom of the upper pressure plate (12), a pair of third exhaust holes (19) are symmetrically distributed on the exhaust column (18), a hemispherical plug (20) is arranged at the bottom surface of the exhaust column (18), an exhaust column mounting hole is formed in the pressure regulating nut (13), external threads matched with the internal threads of the air cylinder (17) are arranged on the outer wall of the pressure regulating nut (13), the upper pressure plate (12) is arranged at the top of the air cylinder (17), the exhaust column (18) is positioned in the exhaust column mounting hole of the pressure regulating nut (13),
be provided with sealing washer (21) on piston (14), the center department of piston (14) opens and has first exhaust hole (22), the exit end of first exhaust hole (22) is hemisphere recess (23) of using with hemisphere end cap (20) cooperation, piston (14) are located cylinder (17), spring (15) are installed between pressure regulating nut (13) and piston (14), it has the second exhaust hole that is linked together with first exhaust hole (22) to open on holding down plate (16), holding down plate (16) are installed in cylinder (17) bottom, and be located piston (14) below.
2. The lever float trap with piston vent of claim 1 wherein the angle between the internal bottom surface of the valve body and the horizontal plane is α ° from 5 ° to 15 °.
3. The lever float type steam trap with piston exhaust device as claimed in claim 1, wherein the upper press plate (12) and the lower press plate (16) are respectively opened with a pair of mounting holes and respectively mounted on the cylinder (17) by screws.
4. The lever floating ball type drain valve with the piston exhaust device as claimed in claim 1, wherein the top of the pressure regulating nut (13) is annularly and uniformly provided with at least one pair of torsion grooves (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743014.7U CN210601013U (en) | 2019-10-17 | 2019-10-17 | Lever floating ball type drain valve with piston exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743014.7U CN210601013U (en) | 2019-10-17 | 2019-10-17 | Lever floating ball type drain valve with piston exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210601013U true CN210601013U (en) | 2020-05-22 |
Family
ID=70714769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921743014.7U Expired - Fee Related CN210601013U (en) | 2019-10-17 | 2019-10-17 | Lever floating ball type drain valve with piston exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210601013U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566800A (en) * | 2019-10-17 | 2019-12-13 | 荆门市中金铝业铸造有限公司 | Lever floating ball type drain valve with piston exhaust device |
| CN111963731A (en) * | 2020-07-01 | 2020-11-20 | 中国核电工程有限公司 | Automatic exhaust device |
| CN112253983A (en) * | 2020-10-30 | 2021-01-22 | 上海沪东造船阀门有限公司 | Marine lever floating ball type drain valve |
| CN113405014A (en) * | 2021-06-25 | 2021-09-17 | 华能秦煤瑞金发电有限责任公司 | Novel drain valve |
-
2019
- 2019-10-17 CN CN201921743014.7U patent/CN210601013U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566800A (en) * | 2019-10-17 | 2019-12-13 | 荆门市中金铝业铸造有限公司 | Lever floating ball type drain valve with piston exhaust device |
| CN111963731A (en) * | 2020-07-01 | 2020-11-20 | 中国核电工程有限公司 | Automatic exhaust device |
| CN111963731B (en) * | 2020-07-01 | 2022-07-01 | 中国核电工程有限公司 | Automatic exhaust device |
| CN112253983A (en) * | 2020-10-30 | 2021-01-22 | 上海沪东造船阀门有限公司 | Marine lever floating ball type drain valve |
| CN112253983B (en) * | 2020-10-30 | 2022-03-15 | 上海沪东造船阀门有限公司 | Marine lever floating ball type drain valve |
| CN113405014A (en) * | 2021-06-25 | 2021-09-17 | 华能秦煤瑞金发电有限责任公司 | Novel drain valve |
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| Date | Code | Title | Description |
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| 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: 20200522 Termination date: 20201017 |