CN112178240A - Linkage three-way plunger valve - Google Patents
Linkage three-way plunger valve Download PDFInfo
- Publication number
- CN112178240A CN112178240A CN202011217655.6A CN202011217655A CN112178240A CN 112178240 A CN112178240 A CN 112178240A CN 202011217655 A CN202011217655 A CN 202011217655A CN 112178240 A CN112178240 A CN 112178240A
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- CN
- China
- Prior art keywords
- valve
- gasket
- valve body
- cover
- handle
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/073—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only leaf springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multiple-Way Valves (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a linkage three-way plunger valve, which relates to the technical field of linkage three-way plunger valves and comprises a valve structure, wherein the valve structure comprises a valve body, a lower valve cover, an upper valve cover, a valve core, a first gasket, a second gasket, a third gasket, a plate spring, a first O-shaped ring, a sealing gasket, a first bolt, a nut, a valve seat, a second O-shaped ring, a limiting pin, a handle, an elastic check ring, a valve seat gland and a second bolt, wherein the upper part of the valve body is connected with the upper valve cover, the lower part of the valve body is connected with the lower valve cover, L-shaped channels are arranged above and below the valve core, the handle is arranged at the top of the valve body, the elastic check ring and the limiting pin are connected between the handle and the upper part of the valve core, and the first O-shaped ring and the second O-shaped ring are respectively. The invention has the advantages of uninterrupted flow, low pressure drop, low rotation torque, reliable sealing performance, easy maintenance, convenient maintenance, low cost and the like, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of linkage three-way plunger valves, in particular to a linkage three-way plunger valve.
Background
In the production links of petroleum, chemical industry, chemical fertilizer, metallurgy, pharmacy and the like, the three-way plunger valve needs to quickly switch fluid from one pipeline to another pipeline or distribute the fluid of one pipeline to the other two-side three-blade pipeline simultaneously so as to meet the requirements of the process flow.
In the currently used linkage three-way plunger valve technology, most linkage three-way plunger valves need two independent three-way valves when in use, the cost is higher in the use process, a connecting rod needs to be added between the two valves, the design requirement and the processing and assembling precision are high, otherwise, the two valves cannot be ensured to be synchronously opened and closed or the opening and closing angles are different; meanwhile, the position of the operating handle is limited, the operating handle can only be positioned between two valves, the replacement and the maintenance are inconvenient, and the operating handle can interfere with surrounding equipment when used on site; the torque (operating force) is increased, a larger input force needs to be provided or the handle needs to be lengthened (the lengthened handle can affect the field space or interfere with other equipment), and if the actuator operation (automatic valve for short and manual valve for handle operation for short) needs to be replaced by an actuator with high power or high torque, the cost is increased; the maintenance or repair on site is relatively complex and the period is long.
From the above, we have designed a linkage three-way plunger valve to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a linkage three-way plunger valve.
In order to achieve the purpose, the invention adopts the following technical scheme:
a linkage three-way plunger valve comprises a valve structure, wherein the valve structure comprises a valve body, a lower valve cover, an upper valve cover, a valve core, a first gasket, a second gasket, a third gasket, a plate spring, a first O-shaped ring, a sealing gasket, a first bolt, a nut, a valve seat, a second O-shaped ring, a limiting pin, a handle, an elastic retainer ring, a valve seat gland and a second bolt,
the upper portion of the valve body is connected with the upper valve cover, the lower portion of the valve body is connected with the lower valve cover, L-shaped channels are arranged above and below the valve core, the handle is arranged at the top of the valve body, an elastic check ring and a limiting pin are connected between the handle and the upper portion of the valve core, and the first O-shaped ring and the second O-shaped ring are arranged above and below the valve core respectively.
Preferably, the valve body is connected with the lower valve cover through a first bolt and a nut.
Preferably, the first gasket is arranged between the valve core and the valve body, wherein the height of the valve core is adjusted to enable the height of the channel of the valve core to be consistent with the height of the channel of the valve body.
Preferably, the second gasket is a revolving body with an inclined surface, and the second gasket and the third gasket are arranged on the upper side and the lower side of the plate spring, so that the number part can be deformed to generate elastic force, the elastic force is applied to the valve core through the number part, and the vibration of the valve core is reduced.
Preferably, the number of the sealing gaskets is two, and the two sealing gaskets are respectively arranged at the connecting positions of the valve body and the lower valve cover and the upper valve cover.
Preferably, a connecting channel is arranged on the valve body, a valve seat is installed at the connecting channel of the valve body and the valve core, and the valve seat is in locking connection with the valve seat gland through a second bolt.
Compared with the prior art, the invention has the beneficial effects that:
1. when the pressure is balanced properly, the rotation torque of the valve body is only a small part of the torque required by the ball valve or the plug valve; the valve is designed as a full flow channel, so that the flow resistance is small and negligible in the fluid conveying process, and the pressure drop of the valve is not adversely affected.
2. The valve body can be rebuilt by using a common tool in a short time by using a new sealing gasket and a sealing element; the valve does not need to be detached from the pipeline for maintenance, and the valve seat can be replaced when the valve needs to be maintained, so that the whole valve does not need to be replaced; simple operation, low maintenance cost and no pollution caused by medium leakage.
3. The valve body adopts a straight cylinder type with uniform wall thickness, so that the deformation of the valve is reduced to the maximum extent; convenient, the on-the-spot maintenance of low price can follow valve top or bottom and dismantle whole valve part, and the flange end on the valve body 1 can be made into an organic whole with valve body 1, also can weld into the subassembly, and the free flexible combination all is that no external leakage leak source, in the use, need not the special link means of traditional linked valve, simple structure, with low costs.
Drawings
FIG. 1 is a schematic structural view of a linkage three-way plunger valve according to the present invention;
FIG. 2 is a cross-sectional view of a linkage three-way spool valve according to the present invention;
fig. 3 is a sectional view of a valve seat of a linkage three-way plunger valve according to the present invention.
In the figure: the valve comprises a valve body 1, a lower valve cover 2, an upper valve cover 3, a valve core 4, a first gasket 5, a second gasket 6, a plate spring 7, a third gasket 8, a first O-shaped ring 9, a sealing gasket 10, a first bolt 11, a nut 12, a valve seat 13, a second O-shaped ring 14, a limiting pin 15, a handle 16, a circlip 17, a valve seat gland 18 and a second bolt 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, a linkage three-way plunger valve comprises a valve structure, wherein the valve structure comprises a valve body 1, a lower valve cover 2, an upper valve cover 3, a valve core 4, a first gasket 5, a second gasket 6, a third gasket 8, a plate spring 7, a first O-ring 9, a sealing gasket 10, a first bolt 11, a nut 12, a valve seat 13, a second O-ring 14, a limiting pin 15, a handle 16, an elastic check ring 17, a valve seat gland 18 and a second bolt 19;
in this embodiment, more specifically, the upper part and the lower part of the valve body 1 are respectively provided with three connecting channels, and the lower valve cover 2, the upper valve cover 3, the first gasket 5 and the sealing gasket 10 are all disc-shaped structures; the valve core 4 and the limiting pin 15 are cylindrical structures, the second gasket 6 and the third gasket 8 are both revolving body structures with inclined planes, the plate spring 7 is of a disc (flat plate) structure, the first O-shaped ring 9 and the second O-shaped ring 14 are both circular ring structures, the handle 16 is of a plate-shaped structure, and the elastic check ring 17 is of a standard circular ring structure. The valve seat gland 18 is a revolving body structure with an arc surface; the first bolt 11, the second bolt 19 and the nut 12 are all fasteners, and the valve seat 13 is a sealing element;
in the embodiment, referring to fig. 2, an upper portion of a valve body 1 is connected with an upper valve cover 3, a lower portion of the valve body 1 is connected with a lower valve cover 2, L-shaped channels are arranged above and below a valve core 4, a handle 16 is arranged at the top of the valve body 1, and an elastic check ring 17 and a limit pin 15 are connected between the handle 16 and the upper portion of the valve core 4, wherein the elastic check ring 17 is matched with the valve core 4 for use and clamped on the valve core 4 to prevent the handle 16 from moving up and down, and as shown in fig. 2, the L-shaped channels can be aligned and connected with two channel ports of the valve body 1 by rotating the operating handle; specifically, when the handle 16 rotates, the handle cannot rotate continuously when contacting the limit pin 15, so that the handle 16 can complete 90-degree rotation, and a channel of the valve core 4 can be matched with a channel of the valve body 1;
the first O-ring 9 and the second O-ring 14 are respectively arranged above and below the valve core 4; the first O-shaped ring 9 and the second O-shaped ring 14 belong to sealing elements and prevent a medium from leaking into the inner cavity of the valve body 1 through a gap between the valve body 1 and the valve core 4;
more specifically, the valve body 1 is connected with the lower valve cover 2 through a first bolt 11 and a nut 12, and the valve body 1 and the lower valve cover 2 are locked and fixed;
the first gasket 5 is arranged between the valve core 4 and the valve body 1, wherein the height of the valve core is adjusted, so that the height of the channel of the valve core is consistent with that of the channel of the valve body.
In the embodiment, the second gasket 6 is a revolving body with an inclined surface, the second gasket 6 and the third gasket 8 are arranged on the upper side and the lower side of the plate spring 7, and the second gasket 6 and the third gasket 8 are matched for use, so that the plate spring 7 can be deformed to generate elasticity, the elasticity is applied to the valve core through No. 5 parts, and the vibration of the valve core is reduced;
the two sealing gaskets 10 are respectively arranged at the joint of the valve body 1 and the lower valve cover 2 as well as the upper valve cover 3, the sealing gaskets 10 belong to sealing elements and prevent a medium from leaking out through a gap between the valve body 1 and the lower valve cover 2, and the upper end of the valve is also provided with one identical sealing gasket 10 which prevents the medium from leaking out through a gap between the valve body 1 and the upper valve cover 3 (leakage);
in the embodiment, the valve body 1 is provided with a connecting channel, the valve seat 13 is installed at the connecting channel of the valve body 1 and the valve core 4, and the valve seat 13 is locked and connected with the valve seat gland 18 through the second bolt 19, wherein the valve seat 13 belongs to a sealing member, so that a medium is prevented from leaking into other connecting channels through a gap between the valve body 1 and the valve core 4, and the function of the medium trend as shown in a system diagram is ensured;
the working principle is as follows: the valve body has the advantages of uninterrupted flow, low pressure drop, low rotation torque, reliable sealing performance, easiness in maintenance, convenience in maintenance, low cost and the like. The device can be used for industries of switching flow direction equipment, filtering systems, heat exchangers and the like.
When the pressure is balanced properly, the rotation torque of the valve body is only a small part of the torque required by the ball valve or the plug valve; the valve is designed as a full flow channel, so that the flow resistance is small and negligible in the fluid conveying process, and the pressure drop of the valve is not adversely affected;
the valve body can be rebuilt by using a common tool in a short time by using a new sealing gasket and a sealing element; the valve does not need to be detached from the pipeline for maintenance, and the valve seat can be replaced when the valve needs to be maintained, so that the whole valve does not need to be replaced; simple operation, low maintenance cost and no pollution caused by medium leakage.
More specifically, the valve body adopts a straight cylinder type with uniform wall thickness, so that the deformation of the valve is reduced to the maximum extent; convenient, the on-the-spot maintenance of low price can follow valve top or bottom and dismantle whole valve part, and the flange end on the valve body 1 can be made into an organic whole with valve body 1, also can weld into the subassembly, and the free flexible combination all is that no external leakage leak source, in the use, need not the special link means of traditional linked valve, simple structure, with low costs.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A linkage three-way plunger valve comprises a valve structure and is characterized in that the valve structure comprises a valve body (1), a lower valve cover (2), an upper valve cover (3), a valve core (4), a first gasket (5), a second gasket (6), a third gasket (8), a plate spring (7), a first O-shaped ring (9), a sealing gasket (10), a first bolt (11), a nut (12), a valve seat (13), a second O-shaped ring (14), a limiting pin (15), a handle (16), an elastic check ring (17), a valve seat gland (18) and a second bolt (19), wherein,
the upper portion of the valve body (1) is connected with the upper valve cover (3), the lower portion of the valve body (1) is connected with the lower valve cover (2), L-shaped channels are arranged above and below the valve core (4), the handle (16) is arranged at the top of the valve body (1) and connected with the elastic check ring (17) and the limiting pin (15) between the top of the valve body (1) and the upper portion of the valve core (4), and the first O-shaped ring (9) and the second O-shaped ring (14) are arranged above and below the valve core (4) respectively.
2. A linked three-way plunger valve according to claim 1, wherein the valve body (1) is connected with the lower valve cover (2) through a first bolt (11) and a nut (12).
3. A linked three-way spool valve according to claim 1, wherein the first gasket (5) is provided between the spool (4) and the valve body (1).
4. A linked three-way plunger valve according to claim 1, wherein the second gasket (6) is a revolving body with a slope, and the second gasket (6) and the third gasket (8) are arranged on the upper side and the lower side of the plate spring (7).
5. A linked three-way plunger valve according to claim 1, characterized in that two gaskets (10) are provided, and the two gaskets (10) are respectively provided at the joint of the valve body (1) and the lower valve cover (2) and the upper valve cover (3).
6. A linkage three-way plunger valve according to claim 1, characterized in that a connecting channel is arranged on the valve body (1), a valve seat (13) is arranged at the connecting channel of the valve body (1) and the valve core (4), and the valve seat (13) is locked and connected with a valve seat gland (18) through a second bolt (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217655.6A CN112178240A (en) | 2020-11-04 | 2020-11-04 | Linkage three-way plunger valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217655.6A CN112178240A (en) | 2020-11-04 | 2020-11-04 | Linkage three-way plunger valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178240A true CN112178240A (en) | 2021-01-05 |
Family
ID=73917777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011217655.6A Pending CN112178240A (en) | 2020-11-04 | 2020-11-04 | Linkage three-way plunger valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4092296A1 (en) * | 2021-05-21 | 2022-11-23 | Alfa Laval Moatti | A cock for a valve and a valve comprising such cock |
-
2020
- 2020-11-04 CN CN202011217655.6A patent/CN112178240A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4092296A1 (en) * | 2021-05-21 | 2022-11-23 | Alfa Laval Moatti | A cock for a valve and a valve comprising such cock |
| WO2022243085A1 (en) * | 2021-05-21 | 2022-11-24 | Alfa Laval Moatti Sas | A cock for a valve and a valve comprising such cock |
| TWI807825B (en) * | 2021-05-21 | 2023-07-01 | 法商阿爾法拉瓦莫帝公司 | A cock for a valve and a valve comprising such cock |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qiu Zhenghao Inventor before: Qiu Zhenghao Inventor before: Zhang Xiaoyu |
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| CB03 | Change of inventor or designer information |