CN211525557U - Oil drain valve, nitrogen cylinder and energy storage station - Google Patents
Oil drain valve, nitrogen cylinder and energy storage station Download PDFInfo
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- CN211525557U CN211525557U CN201922202162.4U CN201922202162U CN211525557U CN 211525557 U CN211525557 U CN 211525557U CN 201922202162 U CN201922202162 U CN 201922202162U CN 211525557 U CN211525557 U CN 211525557U
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Abstract
The application provides an oil drain valve, a nitrogen cylinder and an energy accumulator station, wherein the oil drain valve comprises a valve body and a valve core; a valve cavity is arranged in the valve body; the valve core is arranged in the valve cavity and is in threaded connection with the valve body; the valve cavity comprises a narrow-mouth cylindrical cavity and a wide-mouth cylindrical cavity; one end of the valve core, which is positioned in the narrow-mouth cylindrical cavity, is arranged in a conical manner; an oil discharge channel communicated with the wide-mouth cylindrical cavity is arranged in the valve core. The beneficial effect of this application: the application provides an oil extraction valve easy operation can effectively discharge the hydraulic oil of its bottom under the gas cylinder area pressure condition, and need not to discharge the gaseous whole of gas in the gas cylinder to avoid causing gaseous waste, can not influence the normal work of gas cylinder.
Description
Technical Field
The application relates to the technical field of valves, especially, relate to an oil drain valve, nitrogen cylinder and energy storage ware station.
Background
The gaseous volume is increased to the nitrogen cylinder that adopts more in the energy storage station, and after nitrogen cylinder worked a period, there can be a small amount of hydraulic oil in the bottom, and under the gas cylinder area pressure state, when discharging the hydraulic oil in the gas cylinder, traditional end cap can only discharge hydraulic oil after the gas outgoing in the gas cylinder again, can cause gaseous waste, influences work.
Disclosure of Invention
The purpose of this application is to provide an oil drain valve, nitrogen cylinder and energy storage ware station to above problem.
In a first aspect, the present application provides an oil drain valve comprising a valve body and a valve spool; a valve cavity is arranged in the valve body; the valve core is arranged in the valve cavity and is in threaded connection with the valve body; the valve cavity comprises a narrow-mouth cylindrical cavity and a wide-mouth cylindrical cavity; one end of the valve core, which is positioned in the narrow-mouth cylindrical cavity, is arranged in a conical manner; an oil discharge channel communicated with the wide-mouth cylindrical cavity is arranged in the valve core. Through adopting above-mentioned technical scheme, when needs discharge remaining hydraulic oil in gas cylinder bottom, rotate the case and make its one side removal to keeping away from slot cylinder cavity, hydraulic oil flows to wide mouthful cylinder cavity and discharges through oil extraction passageway through slot cylinder cavity, treat that hydraulic oil discharges when finishing, reverse rotation case makes its one side removal and insert slot cylinder cavity to being close to slot cylinder cavity, stops gas discharge in the gas cylinder to the realization is to the pressure oil extraction of taking of gas cylinder.
According to the technical scheme provided by some embodiments of the application, the narrow-mouth cylindrical cavity and the wide-mouth cylindrical cavity are communicated through the circular truncated cone cavity. Through adopting above-mentioned technical scheme, when not arranging the oil, valve core and valve body can be inseparabler laminating.
According to the technical scheme that some embodiments of this application provided, the surface that the case stretches out the one end of valve body is equipped with nut form bellying, through twisting nut form bellying with the spanner, can conveniently control the case rotation laborsavingly.
According to the technical scheme that some embodiments of this application provided, oil drain passageway are L shape.
According to the technical scheme provided by some embodiments of the application, one end of the valve core extending out of the valve body is provided with a trapezoidal frustum used for connecting an oil discharge pipe.
In a second aspect, the present application provides a nitrogen cylinder employing any one of the above-described oil drain valves.
According to the technical scheme provided by some embodiments of the application, an oil drain valve mounting port is formed at the bottom of a nitrogen cylinder; one end of the valve body with the narrow-mouth cylindrical cavity is arranged at the mounting hole of the oil drain valve.
In a third aspect, the present application provides an energy storage station using any one of the above nitrogen gas cylinders, the energy storage station comprising an energy storage and a plurality of nitrogen gas cylinders; the nitrogen cylinder is connected with one end of the energy accumulator through a nitrogen pipeline.
The beneficial effect of this application: the oil discharge valve provided by the application is usually used for discharging residual hydraulic oil at the bottom of the gas cylinder, the valve core is rotated to move towards one side far away from the narrow-opening cylindrical cavity, the hydraulic oil flows to the wide-opening cylindrical cavity through the narrow-opening cylindrical cavity and is discharged through the oil discharge channel, and when the hydraulic oil is discharged, the valve core is rotated reversely to move towards one side close to the narrow-opening cylindrical cavity and be inserted into the narrow-opening cylindrical cavity, so that gas in the gas cylinder is prevented from being discharged; the oil discharge valve is simple to operate, hydraulic oil at the bottom of the oil discharge valve can be effectively discharged under the condition that the gas cylinder is pressurized, and gas in the gas cylinder is not required to be completely discharged, so that waste of gas is avoided, and normal work of the gas cylinder is not influenced.
Drawings
Fig. 1 is a schematic structural view of an oil drain valve provided in embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of the oil drain valve provided in embodiment 1 of the present application when draining oil;
fig. 3 is a schematic structural view of a valve body of an oil drain valve provided in embodiment 1 of the present application;
FIG. 4 is a schematic structural view of a nitrogen gas cylinder provided in example 2 of the present application;
fig. 5 is a schematic structural diagram of an accumulator station provided in embodiment 3 of the present application.
The text labels in the figures are represented as:
100. an oil discharge valve; 110. a valve body; 111. a narrow-mouth cylindrical cavity; 112. a wide-mouth cylindrical cavity; 113. a circular truncated cone cavity; 120. a valve core; 121. an oil discharge passage; 122. a nut-shaped boss; 123. a trapezoidal frustum; 200. a nitrogen gas cylinder; 300. an accumulator; 400. a nitrogen line.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
Example 1:
referring to fig. 1 to 3, the present embodiment provides an oil drain valve 100, including a valve body 110 and a valve core 120, wherein a valve cavity is disposed inside the valve body 110, the valve cavity includes an upper narrow-mouth cylindrical cavity 111 and a lower wide-mouth cylindrical cavity 112, and a cross-sectional inner diameter of the narrow-mouth cylindrical cavity 111 is smaller than a cross-sectional inner diameter of the wide-mouth cylindrical cavity 112; the valve core 120 is arranged in the valve cavity, one end of the valve core 120 is arranged in a conical shape, when oil is not discharged, the conical part of the valve core 120 is inserted into the narrow-port cylindrical cavity 111, when oil is discharged, the conical part of the valve core 120 moves downwards from the narrow-port cylindrical cavity 111 to the wide-port cylindrical cavity 112, the part of the valve core 120 positioned in the wide-port cylindrical cavity 112 is connected with the valve body 110 through threads, and the valve core 120 moves downwards or upwards by rotating the valve core 120, so that oil discharge is controlled or oil discharge is stopped; an oil discharge channel 121 communicated with the wide-mouth cylindrical cavity 112 is arranged inside the valve core 120, the oil discharge channel 121 is arranged in an L shape, and the oil inlet end of the oil discharge channel 121 is arranged below the conical part.
Preferably, the narrow-mouth cylindrical cavity 111 and the wide-mouth cylindrical cavity 112 are communicated through a circular truncated cone cavity 113, and when oil is not discharged, the circular truncated cone cavity 113 is arranged to enable the valve core 120 and the valve body 110 to be attached more tightly.
Preferably, the outer surface of the valve core 120 at the end extending out of the valve body 110 is provided with a nut-shaped protrusion 122, and the rotation of the valve core 120 can be controlled conveniently and effortlessly by screwing the nut-shaped protrusion 122 with a wrench.
Preferably, one end of the valve core 120 extending out of the valve body 110 is provided with a trapezoidal frustum 123, when the lower part of the gas cylinder is inconvenient to directly receive oil, one end of the pressure-resistant oil discharge pipe can be installed on the trapezoidal frustum 123, and the other end of the pressure-resistant oil discharge pipe is arranged in an oil receiving container to receive oil.
The oil drain valve 100 provided in this embodiment is usually installed at the bottom of the gas cylinder, and is configured to drain the hydraulic oil remaining at the bottom of the gas cylinder, when in use, the wrench is screwed on the nut-shaped protrusion 122 (when viewed from top down), and 1/4 circles to 1/2 circles are clockwise screwed, the oil drain valve 100 is opened to drain the oil, that is, the valve core 120 moves downward relative to the valve body 110, the tapered portion of the valve core 120 moves out of the narrow-mouth cylindrical cavity 111, the hydraulic oil at the bottom of the gas cylinder is drained through the narrow-mouth cylindrical cavity 111 and the wide-mouth cylindrical cavity 112 via the oil drain channel 121, when the hydraulic oil is completely drained (when the oil is drained, it is said that the oil is completely drained, whether the oil is completely drained by determining whether bubbles are drained or not, the wrench (when bubbles are drained out, it is said that the oil is completely drained), the nut-shaped protrusion 122 is counterclockwise screwed by the wrench (when viewed from, therefore, the conical part of the valve core 120 is inserted into the narrow-mouth cylindrical cavity 111 to prevent the gas in the gas cylinder from being discharged, and oil discharge under pressure of the gas cylinder is realized.
The oil drain valve that this embodiment provided easy operation can effectively discharge the hydraulic oil of its bottom under the gas cylinder area pressure condition, and need not to discharge the gaseous whole of gas in the gas cylinder to avoid causing gaseous waste, can not influence the normal work of gas cylinder.
Example 2:
referring to fig. 4, in this embodiment, a nitrogen cylinder 200 using the oil drain valve provided in embodiment 1 is provided, wherein an oil drain valve mounting port is formed at the bottom of the nitrogen cylinder 200, and one end of the valve body 110 of the oil drain valve 100, which is provided with a narrow-mouth cylindrical cavity 111, is mounted at the oil drain valve mounting port.
The nitrogen cylinder 200 that this embodiment provided, through set up oil drain valve 100 in its bottom, can effectively discharge the hydraulic oil of its bottom under the condition of nitrogen cylinder 200 area pressure, and need not to discharge the whole of gas in the nitrogen cylinder 200 to can effectively avoid causing gaseous waste, and then can not influence the normal work of nitrogen cylinder 200.
Example 3:
referring further to fig. 5, the present embodiment provides an energy storage station using the nitrogen gas cylinders 200 provided in embodiment 2, the energy storage station includes an energy storage 300 and a plurality of vertically disposed nitrogen gas cylinders 200, the energy storage 300 is a gas/oil volume conversion device for energy storage and discharge, the nitrogen gas cylinders 200 are used for providing compressed gas for the energy storage station, an oil discharge valve 100 is installed at the bottom of each nitrogen gas cylinder 200, a stop ball valve is installed at the top of each nitrogen gas cylinder 200 and is connected to one end of the energy storage 300 through a nitrogen gas pipeline 400, and the other end of the energy storage 300 is used for being connected to an oil pipeline.
The energy storage ware station that this embodiment provided sets up oil drain valve 100 through the bottom at every nitrogen cylinder 200, can effectively discharge the hydraulic oil of its bottom under the condition that nitrogen cylinder 200 area was pressed, and need not to discharge the gaseous whole in the nitrogen cylinder 200 to can effectively avoid causing gaseous waste, can not influence the normal work of nitrogen cylinder 200, and then can not influence the normal work at energy storage ware station.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (8)
1. An oil discharge valve is characterized by comprising a valve body (110) and a valve core (120); a valve cavity is arranged in the valve body (110); the valve core (120) is arranged in the valve cavity and is in threaded connection with the valve body (110); the valve cavity comprises a narrow-mouth cylindrical cavity body (111) and a wide-mouth cylindrical cavity body (112); one end of the valve core (120) positioned in the narrow-mouth cylindrical cavity (111) is arranged in a conical manner; an oil discharge channel (121) communicated with the wide-mouth cylindrical cavity (112) is arranged in the valve core (120).
2. An oil drain valve according to claim 1, characterized in that the narrow-mouth cylindrical cavity (111) and the wide-mouth cylindrical cavity (112) are in communication with each other through a truncated cone cavity (113).
3. An oil discharge valve according to claim 1, wherein the outer surface of the end of the valve element (120) protruding from the valve body (110) is provided with a nut-shaped protrusion (122).
4. An oil drain valve according to claim 1, characterized in that the oil drain channel (121) is L-shaped.
5. An oil drain valve according to claim 1, characterized in that the end of the valve core (120) extending out of the valve body (110) is provided with a trapezoidal frustum (123) for connecting an oil drain pipe.
6. A nitrogen cylinder using the oil drain valve according to any one of claims 1 to 5.
7. The nitrogen cylinder according to claim 6, characterized in that an oil drain valve mounting port is opened at the bottom of the nitrogen cylinder (200); one end of the valve body (110) with the narrow-mouth cylindrical cavity (111) is arranged at the oil drain valve mounting hole.
8. An accumulator station using the nitrogen cylinder of claim 6 or 7, characterized in that it comprises an accumulator (300) and a plurality of said nitrogen cylinders (200); the nitrogen gas cylinder (200) is connected with one end of the energy accumulator (300) through a nitrogen gas pipeline (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202162.4U CN211525557U (en) | 2019-12-11 | 2019-12-11 | Oil drain valve, nitrogen cylinder and energy storage station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202162.4U CN211525557U (en) | 2019-12-11 | 2019-12-11 | Oil drain valve, nitrogen cylinder and energy storage station |
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| Publication Number | Publication Date |
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| CN211525557U true CN211525557U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922202162.4U Active CN211525557U (en) | 2019-12-11 | 2019-12-11 | Oil drain valve, nitrogen cylinder and energy storage station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076482A (en) * | 2022-06-28 | 2022-09-20 | 成都叁能锐达能源科技有限公司 | Hose coupler with oil supplementing tool |
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2019
- 2019-12-11 CN CN201922202162.4U patent/CN211525557U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076482A (en) * | 2022-06-28 | 2022-09-20 | 成都叁能锐达能源科技有限公司 | Hose coupler with oil supplementing tool |
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