CN110094567B - Electric three-way plug valve - Google Patents
Electric three-way plug valve Download PDFInfo
- Publication number
- CN110094567B CN110094567B CN201910465504.3A CN201910465504A CN110094567B CN 110094567 B CN110094567 B CN 110094567B CN 201910465504 A CN201910465504 A CN 201910465504A CN 110094567 B CN110094567 B CN 110094567B
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- Prior art keywords
- cavity
- motor
- channel
- gear
- transmission rod
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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
- 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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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/522—Mechanical actuating means with crank, eccentric, or cam comprising a tap or cock
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0242—Spindles and actuating means
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Abstract
The invention relates to an electric three-way plug valve which comprises a valve body, wherein a first channel, a second channel, a third channel, an installation cavity and a cavity are arranged in the valve body; the upper valve cover and the lower valve cover are respectively and fixedly arranged at the upper part and the lower part of the valve body; a faucet disposed within the cavity; one end of the transmission rod is matched with the cock, and the other end of the transmission rod extends into the mounting cavity; the first gear is arranged at the upper end of the transmission rod; the first motor is arranged in the mounting cavity; the eccentric wheel is eccentrically arranged on an output shaft of the first motor; the second motor is arranged in the mounting cavity; and the second gear is fixedly arranged on the output shaft of the second motor. This electronic three way plug valve can improve the life-span and the sealed effect of cock.
Description
Technical Field
The invention belongs to the technical field of pipeline valves, and particularly relates to an electric three-way plug valve.
Background
Toper plug valve is the one kind of plug valve, and its cock has certain tapering in order to improve the sealing reliability of cock, and current toper plug valve adopts mechanical hand wheel valve shaft rotation usually, and then the rotatory purpose that reaches the opening and shutting of drive cock, but this kind of mode of opening and shutting leads to the fact great friction to the sealed face of cock undoubtedly, greatly reduced the life of cock.
Disclosure of Invention
The invention aims to solve the technical problem of providing the electric three-way plug valve which is convenient to control and has long service life of the plug.
The technical scheme adopted by the invention for solving the technical problems is as follows: a double seat valve characterized by: the valve comprises a valve body, wherein a cavity positioned in the middle of the valve body, and a first channel, a second channel and a third channel which are communicated with the cavity are arranged in the valve body, the first channel and the second channel are coaxially arranged, the axis of the third channel is vertical to the axes of the first channel and the second channel, the cavity is in an inverted cone shape with a small upper part and a big lower part, and the upper part of the valve body is also provided with a mounting cavity; the lower valve cover is fixedly arranged at the lower part of the valve body and used for plugging the lower opening of the cavity; the upper valve cover is fixedly arranged on the upper part of the valve body and used for plugging an upper opening of the cavity, an upper valve cover through hole which axially penetrates is formed in the upper valve cover, the lower end of the upper valve cover extends into the cavity, and four guide grooves are axially formed in the circumferential side wall of the lower end of the upper valve cover; the upper cover plate is fixedly arranged on the upper part of the installation cavity and used for plugging an upper opening of the installation cavity; the plug cock is rotatably arranged in the cavity and is conical with a small upper part and a big lower part, and a straight groove is arranged at the upper part of the plug cock; the spring is arranged in the cavity, one end of the spring is abutted against the lower valve cover, and the other end of the spring is abutted against the cock, so that the cock is kept moving upwards; the lower end of the transmission rod is provided with a flat key matched with the straight groove, the middle of the transmission rod is provided with four cylindrical bulges in sliding fit with the guide groove, and the upper part of the transmission rod penetrates through the through hole of the upper valve cover and then extends into the mounting cavity; the first gear is arranged in the mounting cavity and fixedly mounted at the upper end of the transmission rod; the first motor is transversely arranged on the upper cover plate; the eccentric wheel is eccentrically arranged on an output shaft of the first motor, and the side wall of the eccentric wheel abuts against the upper end of the transmission rod; the second motor is vertically arranged in the mounting cavity; the second gear is fixedly arranged on an output shaft of the second motor; the eccentric wheel is driven to rotate by controlling the rotation angle of the first motor, so that the transmission rod and the cock can be driven to move up and down, when the transmission rod moves to the lowest end, the four cylindrical protrusions are separated from the four guide grooves, meanwhile, the first gear is meshed with the second gear, when the transmission rod moves to the highest end, the four cylindrical protrusions are positioned in the four guide grooves, and meanwhile, the first gear is separated from the second gear; when the first gear is engaged with the second gear, the rotation angle of the cock can be controlled by the second motor.
Preferably, the first motor and the second motor are stepping motors.
Preferably, the cock is internally provided with a first flow passage and a second flow passage which are communicated with each other, and the first flow passage and the second flow passage are identical in shape and are both in a trapezoidal structure with a narrow top and a wide bottom.
Compared with the prior art, the invention has the advantages that: according to the invention, by controlling the first motor and the second motor, when the cock is controlled to rotate, the cock can be moved downwards to separate from the cavity, and then the rotation is realized, and after the cock is rotated to the preset position, the cock is controlled to move upwards to realize sealing, so that no friction exists between the cock and the inner wall of the cavity, and the service life and the sealing effect of the cock can be greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic three-dimensional view of the upper valve cover of the present invention;
FIG. 4 is a schematic three-dimensional view of the driving rod of the present invention;
figure 5 is a schematic three-dimensional view of the tap of the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1-5, is a preferred embodiment of the present invention.
An electric three-way plug valve comprises
The valve body 1 is provided with a cavity 104 positioned in the middle and a first channel 101, a second channel 102 and a third channel 103 communicated with the cavity 104, wherein the first channel 101 and the second channel 102 are coaxially arranged, the axis of the third channel 103 is perpendicular to the axes of the first channel 101 and the second channel 102, the cavity 104 is in an inverted cone shape with a small top and a big bottom, and the upper part of the valve body 1 is also provided with a mounting cavity 105.
And the lower valve cover 4 is fixedly arranged at the lower part of the valve body 1 and used for sealing the lower opening of the cavity 104.
The upper valve cover 6 is fixedly installed on the upper portion of the valve body 1, the upper valve cover 6 is used for plugging an upper opening of the cavity 104, an upper valve cover through hole which penetrates through the upper valve cover 6 in the axial direction is formed in the upper valve cover 6, the lower end of the upper valve cover 6 extends into the cavity 104, and four guide grooves 61 are formed in the circumferential side wall of the lower end of the upper valve cover 6 in the axial direction.
And the upper cover plate 11 is fixedly arranged on the upper part of the mounting cavity 105, and is used for sealing the upper opening of the mounting cavity 105.
The faucet 2 is rotatably arranged in the cavity 104, the faucet 2 is conical with a small upper part and a big lower part, and the upper part of the faucet 2 is provided with a straight groove 24. The cock 2 is provided with a first flow passage 21 and a second flow passage 22 which are communicated with each other, and the first flow passage 21 and the second flow passage 22 are identical in shape and are in a trapezoidal structure with a narrow top and a wide bottom.
And a spring 3, wherein the spring 3 is arranged in the cavity 104, one end of the spring 3 is abutted against the lower valve cover 4, and the other end of the spring 3 is abutted against the cock 2, so that the cock 2 keeps moving upwards.
The lower end of the transmission rod 5 is provided with a flat key 52 matched with the straight groove 24, the middle of the transmission rod 5 is provided with four cylindrical protrusions 51 in sliding fit with the guide grooves 61, and the upper part of the transmission rod 5 penetrates through the through hole of the upper valve cover and then extends into the mounting cavity 105.
And a first gear 12, wherein the first gear 12 is arranged in the mounting cavity 105 and is fixedly arranged at the upper end of the transmission rod 5.
The first motor 7, the first motor 7 is installed on the upper cover plate 11 along the horizontal direction.
And the eccentric wheel 9 is eccentrically arranged on an output shaft of the first motor 7, and the side wall of the eccentric wheel 9 is abutted against the upper end of the transmission rod 5.
And the second motor 8, the second motor 8 is vertically installed in the installation cavity 105. The first motor 7 and the second motor 8 are both step motors.
And a second gear 10, wherein the second gear 10 is fixedly arranged on the output shaft of the second motor 8.
The eccentric wheel 9 is driven to rotate by controlling the rotation angle of the first motor 7, so that the transmission rod 5 and the faucet 2 can be driven to move up and down, when the transmission rod 5 moves to the lowest end, the four cylindrical protrusions 51 are separated from the four guide grooves 61, meanwhile, the first gear 12 is meshed with the second gear 10, when the transmission rod 5 moves to the highest end, the four cylindrical protrusions 51 are positioned in the four guide grooves 61, and meanwhile, the first gear 12 is separated from the second gear 10; when the first gear 12 is engaged with the second gear 10, the rotation angle of the cock 2 may be controlled by the second motor 8.
The working principle and the process of the electric three-way plug valve are as follows:
as shown in fig. 1, when the big end of the eccentric wheel 9 is above, the transmission rod 5 is at the uppermost position, the four cylindrical protrusions 51 are clamped in the four guide grooves 61, the cock 2 moves upwards under the action of the spring 3, so that the cock 2 is pressed against the inner wall of the cavity 104, the first channel 101 is not communicated with the second channel 102 and the third channel 103, and the second channel 102 is communicated with the third channel 103 through the first channel 21 and the second channel 22.
When the communication state needs to be adjusted, the first motor 7 is controlled to drive the eccentric wheel 9 to rotate for a certain angle, then the eccentric wheel 9 can drive the transmission rod 5 and the faucet 2 to move downwards from the position shown in fig. 1, when the transmission rod 5 moves to the lowest end, the first motor 7 stops rotating, at the moment, the four cylindrical protrusions 51 are separated from the four guide grooves 61, meanwhile, the first gear 12 is meshed with the second gear 10, the faucet 2 is separated from the inner wall of the cavity 104, then the second motor 8 is controlled to rotate for a certain angle, the second gear 10 drives the first gear 12 to rotate, then the faucet 2 is driven to rotate through the transmission rod 5, and by controlling the difference of the rotation angles of the second motor 8, the following 2 communication states (1) that the first channel 101 is communicated with the third channel 103 and the second channel 102 is closed can be realized; (2) the first channel 101, the second channel 102 and the third channel 103 are all closed and not communicated. When the second motor 8 rotates to a preset angle, the first motor 7 is controlled to rotate at the moment, the large end of the eccentric wheel 9 rotates to the upper position, under the action of the spring 3, the four cylindrical protrusions 51 of the transmission rod slide into the four guide grooves 61, the cock 2 moves upwards, and the cock 2 is pressed on the inner wall of the cavity 104 to realize sealing.
Through the control, when the cock 2 is rotationally adjusted, the cock 2 moves downwards firstly and then realizes the rotational movement, and the cock 2 is not in friction contact with the cavity 104, so the service life of the cock can be greatly prolonged, and the sealing effect is improved.
Claims (3)
1. The utility model provides an electronic three-way plug valve which characterized in that: comprises that
The valve comprises a valve body (1), wherein a cavity (104) positioned in the middle of the valve body (1) and a first channel (101), a second channel (102) and a third channel (103) which are communicated with the cavity (104) are arranged in the valve body (1), the first channel (101) and the second channel (102) are coaxially arranged, the axis of the third channel (103) is vertical to the axes of the first channel (101) and the second channel (102), the cavity (104) is in an inverted cone shape with a small upper part and a large lower part, and the upper part of the valve body (1) is also provided with a mounting cavity (105);
the lower valve cover (4), the lower valve cover (4) is fixedly installed on the lower part of the valve body (1) and is used for sealing the lower opening of the cavity (104);
the upper valve cover (6), the upper valve cover (6) is fixedly installed on the upper portion of the valve body (1) and used for plugging an upper opening of the cavity (104), an upper valve cover through hole which penetrates through in the axial direction is formed in the upper valve cover (6), the lower end of the upper valve cover (6) extends into the cavity (104), and four guide grooves (61) are axially formed in the circumferential side wall of the lower end of the upper valve cover (6);
the upper cover plate (11), the upper cover plate (11) is fixedly installed on the upper portion of the installation cavity (105) and used for plugging the upper opening of the installation cavity (105);
the faucet (2) is rotatably arranged in the cavity (104), the faucet (2) is conical with a small upper part and a big lower part, and the upper part of the faucet (2) is provided with a straight groove (24);
the spring (3) is arranged in the cavity (104), one end of the spring (3) is abutted against the lower valve cover (4), and the other end of the spring (3) is abutted against the cock (2), so that the cock (2) keeps moving upwards;
the lower end of the transmission rod (5) is provided with a flat key (52) matched with the straight groove (24), the middle of the transmission rod (5) is provided with four cylindrical protrusions (51) in sliding fit with the guide groove (61), and the upper part of the transmission rod (5) penetrates through the through hole of the upper valve cover and then extends into the mounting cavity (105);
the first gear (12), the first gear (12) is set up in the installation cavity (105), it is fixed to the upper end of the drive link (5);
the first motor (7), the first motor (7) is installed on the upper cover plate (11) along the transverse direction;
the eccentric wheel (9), the eccentric wheel (9) is eccentrically arranged on the output shaft of the first motor (7), and the side wall of the eccentric wheel (9) is abutted against the upper end of the transmission rod (5);
the second motor (8), the second motor (8) is installed in the installation cavity (105) along the vertical direction;
the second gear (10), the second gear (10) is fixedly mounted on the output shaft of the second motor (8);
the eccentric wheel (9) is driven to rotate by controlling the rotation angle of the first motor (7), so that the transmission rod (5) and the faucet (2) can be driven to move up and down, when the transmission rod (5) moves to the lowest end, the four cylindrical protrusions (51) are separated from the four guide grooves (61), meanwhile, the first gear (12) is meshed with the second gear (10), when the transmission rod (5) moves to the highest end, the four cylindrical protrusions (51) are positioned in the four guide grooves (61), and meanwhile, the first gear (12) is separated from the second gear (10); when the first gear (12) is meshed with the second gear (10), the rotation angle of the cock (2) can be controlled by the second motor (8).
2. The electric three-way stopcock according to claim 1, wherein: the first motor (7) and the second motor (8) are stepping motors.
3. The electric three-way stopcock according to claim 1, wherein: a first flow channel (21) and a second flow channel (22) which are communicated with each other are arranged in the cock (2), and the first flow channel (21) and the second flow channel (22) are identical in shape and are of a trapezoidal structure with a narrow upper part and a wide lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465504.3A CN110094567B (en) | 2019-05-30 | 2019-05-30 | Electric three-way plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465504.3A CN110094567B (en) | 2019-05-30 | 2019-05-30 | Electric three-way plug valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094567A CN110094567A (en) | 2019-08-06 |
| CN110094567B true CN110094567B (en) | 2020-12-29 |
Family
ID=67449789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910465504.3A Active CN110094567B (en) | 2019-05-30 | 2019-05-30 | Electric three-way plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094567B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578828B (en) * | 2019-09-22 | 2020-06-26 | 新疆河润水业有限责任公司 | Water valve control assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214570Y (en) * | 1995-03-01 | 1995-12-06 | 刘宝璋 | 3-way cock |
| JPH09236182A (en) * | 1995-12-29 | 1997-09-09 | Tokyo Gas Co Ltd | Opening closing device for ball valve |
| CN1320784A (en) * | 2000-04-27 | 2001-11-07 | 吴龙洙 | Electric ball valve |
| CN2854250Y (en) * | 2005-12-21 | 2007-01-03 | 刘新峰 | Plug valve |
| CN202195105U (en) * | 2011-08-23 | 2012-04-18 | 中国石油化工集团公司 | Hard sealing plug valve with guiding mechanism |
| CN103453209A (en) * | 2012-05-31 | 2013-12-18 | 天津职业技术师范大学 | Ball valve structure based on cam control and ball valve |
| CN105927747A (en) * | 2016-07-12 | 2016-09-07 | 阀工阀门有限公司 | Lift plug valve |
| CN205715749U (en) * | 2016-05-03 | 2016-11-23 | 黄石兴阀科技有限公司 | Magnetically-actuated formula plug valve |
-
2019
- 2019-05-30 CN CN201910465504.3A patent/CN110094567B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214570Y (en) * | 1995-03-01 | 1995-12-06 | 刘宝璋 | 3-way cock |
| JPH09236182A (en) * | 1995-12-29 | 1997-09-09 | Tokyo Gas Co Ltd | Opening closing device for ball valve |
| CN1320784A (en) * | 2000-04-27 | 2001-11-07 | 吴龙洙 | Electric ball valve |
| CN2854250Y (en) * | 2005-12-21 | 2007-01-03 | 刘新峰 | Plug valve |
| CN202195105U (en) * | 2011-08-23 | 2012-04-18 | 中国石油化工集团公司 | Hard sealing plug valve with guiding mechanism |
| CN103453209A (en) * | 2012-05-31 | 2013-12-18 | 天津职业技术师范大学 | Ball valve structure based on cam control and ball valve |
| CN205715749U (en) * | 2016-05-03 | 2016-11-23 | 黄石兴阀科技有限公司 | Magnetically-actuated formula plug valve |
| CN105927747A (en) * | 2016-07-12 | 2016-09-07 | 阀工阀门有限公司 | Lift plug valve |
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| Publication number | Publication date |
|---|---|
| CN110094567A (en) | 2019-08-06 |
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Effective date of registration: 20201211 Address after: 224400 28 industrial concentration zone, Gou Dun Town, Funing County, Yancheng City, Jiangsu Applicant after: JIANGSU HENGDA MACHINERY MANUFACTURING Co.,Ltd. Address before: 315000 Unit 013, Room 18-1, 035, 555 Juxian Road, Ningbo High-tech Zone, Zhejiang Province Applicant before: NINGBO WENZE ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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