CN112253781A - Multi-eccentric rotary valve - Google Patents
Multi-eccentric rotary valve Download PDFInfo
- Publication number
- CN112253781A CN112253781A CN202011077160.8A CN202011077160A CN112253781A CN 112253781 A CN112253781 A CN 112253781A CN 202011077160 A CN202011077160 A CN 202011077160A CN 112253781 A CN112253781 A CN 112253781A
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- Prior art keywords
- valve
- rod
- distance
- arc
- eccentric rotary
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- 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.)
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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
- 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
- F16K5/04—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 cylindrical surfaces; Packings therefor
- F16K5/0457—Packings
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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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- 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
- F16K31/60—Handles
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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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
- F16K5/04—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 cylindrical surfaces; Packings therefor
- F16K5/0442—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a multi-eccentric rotary valve which comprises a valve body, wherein a flow channel is formed in the valve body in the transverse direction, a plug body channel is formed in the valve body in the longitudinal direction, a rotary body is arranged in the plug body channel, a valve cover is arranged on the valve body, a ring-shaped sealing valve seat fixed at the port of the flow channel is arranged on the right side of the intersection of the flow channel and the plug body channel, a valve rod is fixed at the top end of the rotary body, the center of the valve rod deviates from the center line of the flow channel by a first distance, a second distance is formed between the center line of the plug body channel and the upper end face of the sealing valve seat, a third distance is formed between the center line of the plug body channel and the lower end face of the sealing valve seat. The invention can ensure that the valve seal gradually enters and is completely matched and sealed when the rotating body and the valve seat are screwed and tightened when the valve is closed, and the rotating body and the valve seat are quickly separated when the valve is opened, thereby having no contact abrasion, light and quick operation and long service life of the valve and being worthy of popularization and application.
Description
Technical Field
The invention relates to a valve, in particular to a multi-eccentric rotary valve.
Background
Traditional valve opens and close the in-process at the case and can continuously rub with the disk seat, and sealed position is easy wearing and tearing, and disk seat and case can produce elastic deformation, along with the increase of switching number of times, will appear fatigue failure and lead to the disk seat to lose elasticity, consequently uses the condition emergence that often can cause sealed inefficacy after a period, is unfavorable for long-term, reliable, the stable use of valve.
Disclosure of Invention
The invention aims to solve the defects of the prior art, provides the multi-eccentric rotary valve with good sealing performance and long service life, and meets the requirements of long service life, less maintenance and low use cost of enterprise valves.
The invention adopts the technical scheme for solving the technical problems that: the multi-eccentric rotary valve comprises a valve body, wherein a flow channel with a circular cross section is transversely arranged on the valve body, a plug body channel which is communicated with one side of the flow channel and has a circular cross section is longitudinally arranged on the valve body, a rotating body is arranged in the plug body channel, a valve cover which covers the plug body channel is fixed on the valve body, a ring-shaped sealing valve seat which is fixed at the port of the flow channel is arranged on the right side of the intersection of the flow channel and the plug body channel, a valve rod is fixed at the top end of the rotating body, the center of the valve rod and the center line of the flow channel deviate by a first distance, a second distance is formed between the center line of the plug body channel and the upper end face of the sealing valve seat, a third distance is formed between the center line of the plug body channel and the lower end face of the sealing. The first distance, the second distance, the third distance and the first angle have the effects that the rotating body is eccentric, the rotating body and the ring-shaped sealing valve seat can be screwed more and more tightly when the valve is closed, the valve seal is ensured to gradually press and completely fit and seal, the rotating body and the ring-shaped sealing valve seat are quickly separated when the valve is opened, no contact abrasion is caused, the operation is light and fast, and the service life of the valve is long; the silica gel has the function of better sealing the ring-shaped sealing valve seat; the ring-shaped sealing valve seat is made of a surfacing hard alloy steel material.
Further perfection, the rotating body is a fan-shaped block body, and the fan-shaped angle of the rotating body is 75 degrees. The rotating body is a fan-shaped block body, and the fan-shaped angle of the rotating body is 75 degrees, so that the opening and closing operation can be just performed on the intersection area of the flow passage and the plug body passage, the material is saved, and the resistance of the fluid to the rotating body can be reduced.
Further perfection, the rotating body is provided with an arc-shaped notch, and the arc-shaped notch is positioned on the side of the fluid flowing direction. The arc-shaped notch has the function of reversely blocking the fluid impact force by rotating, so that the impact force of the fluid can be greatly consumed, and the action of the impact force on the rotating body can be greatly reduced.
Further perfect, install the first self-lubricating bearing who cup joints on the valve rod on the valve gap, install on the valve gap with valve rod complex filler, the valve gap top is equipped with presses down the filler and fixes the gland on the valve gap through fastening screw, the top of valve rod is fixed with the spiral block, threaded connection has the pole of breaking off with the fingers and thumb on the spiral block. The first self-lubricating bearing, the packing gland, the rotary block and the breaking-off rod can increase the sealing property of the valve cover, prevent fluid from leaking out of the valve cover, and can also break off the valve rod to rotate in a labor-saving manner by utilizing the breaking-off rod, so that the rotary body can be conveniently driven to open, close and rotate; the first self-lubricating bearing is here made of tin bronze material.
Further perfection, and the breaking-off rod is provided with a transverse through hole. The effect of horizontal through-hole here is, can insert the pull rod to can greatly increased to the torsion of revolving the piece, and then carry out more laborsaving opening and close the rotation to the valve rod.
Further perfect, it has the circular port to open on the bottom surface of cock body passageway, installs the second in the circular port from lubricating bearing, and the bottom mounting of rotator has the cross-section to be circular and the position and the vertical jack-post that aligns of valve rod, and the jack-post cup joints the cooperation in second self-lubricating bearing department, and the bottom surface of jack-post is opened has first arc notch, and open the bottom of circular port has second arc notch, installs the steel ball of point contact state between first arc notch and the second arc notch. The second self-lubricating bearing, the jack-post, the first arc-shaped notch and the second arc-shaped notch are used for supporting the rotating body, and the steel balls are in point contact with the jack-post, so that friction and resistance are greatly reduced, opening and closing of rotation can be greatly facilitated, and the service life of the rotating body is prolonged.
Further perfect, be fixed with on the valve rod and be used for the valve rod to rotate spacing horizontal pole, spacing horizontal pole and the rotatory matching of fastening screw. The limiting cross rod has the advantages that the limiting cross rod can limit the snapping angle of the snapping rod, the rotating angle of the limiting cross rod is limited through the fastening screw with the opening angle, and the situation that the rotating angle of the valve rod is too large is avoided.
The invention has the beneficial effects that: the valve has the advantages that the structural design is ingenious and reasonable, the rotating body and the ring-shaped sealing valve seat can be screwed and tightened more when the valve is closed by utilizing the first distance, the second distance, the third distance and the first angle, the valve seal is ensured to gradually enter and press to be completely matched and sealed, the rotating body and the ring-shaped sealing valve seat are quickly separated when the valve is opened, the valve is free of contact abrasion, the operation is light and fast, the service life of the valve is long, the ring-shaped sealing valve seat can be better sealed by utilizing silica gel, and the valve is worthy of popularization and application.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is a flow chart of the working principle of the present invention.
Description of reference numerals: the self-lubricating valve comprises a valve body 1, a flow channel 1-1, a plug body channel 1-2, a circular hole 1-3, a rotating body 2, silica gel 2-1, an arc-shaped notch 2-2, a shaft column 2-3, a first arc-shaped notch 2-3a, a valve cover 3, a ring-shaped sealing valve seat 4, a first distance a, a second distance b, a third distance c, a first angle d, a valve rod 5, a first self-lubricating bearing 6, a filler 7, a fastening screw 8, a filler gland 9, a rotating block 10, a breaking rod 11, a transverse through hole 11-1, a second self-lubricating bearing 12 and a limiting cross rod 14,
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
with reference to the accompanying drawings: the multi-eccentric rotary valve comprises a valve body 1, wherein a flow channel 1-1 with a circular cross section is transversely arranged on the valve body 1, a plug body channel 1-2 which is communicated with one side of the flow channel 1-1 and has a circular cross section is longitudinally arranged on the valve body 1, a rotating body 2 is arranged in the plug body channel 1-2, a valve cover 3 which covers the plug body channel 1-2 is fixed on the valve body 1, a ring-shaped sealing valve seat 4 which is fixed at the port of the flow channel 1-1 is arranged at the right side of the intersection of the flow channel 1-1 and the plug body channel 1-2, a valve rod 5 is fixed at the top end of the rotating body 2, the center of the valve rod 5 and the center line of the flow channel 1-1 are deviated by a first distance a, a second distance b is formed between the center line of the plug body channel 1-2 and the upper end face of the sealing valve seat 4, the third distance c is larger than the second distance b, the rotating shaft of the sealing valve seat 4 forms a first angle d with the central line of the fluid 1-1, and the surface of the rotating body 2 is covered with silica gel 2-1.
The rotating body 2 is a block body in a fan shape, and the fan angle of the rotating body 2 is 75 degrees.
The rotating body 2 is provided with an arc-shaped notch 2-2, and the arc-shaped notch 2-2 is positioned at the fluid flowing direction side.
The valve cover 3 is provided with a first self-lubricating bearing 6 which is sleeved on the valve rod 5, the valve cover 3 is provided with a packing 7 which is matched with the valve rod 5, a packing gland 9 which presses the packing 7 and is fixed on the valve cover 3 through a fastening screw 8 is arranged above the valve cover 3, the top end of the valve rod 5 is fixed with a rotary block 10, and the rotary block 10 is in threaded connection with a breaking-off rod 11.
The breaking-off rod 11 is provided with a transverse through hole 11-1.
The bottom surface of the plug body channel 1-2 is provided with a circular hole 1-3, a second self-lubricating bearing 12 is arranged in the circular hole 1-3, the bottom end of the rotating body 2 is fixed with a shaft post 2-3 which is circular in cross section and is longitudinally aligned with the valve rod 5, the shaft post 2-3 is sleeved and matched at the second self-lubricating bearing 12, the bottom surface of the shaft post 2-3 is provided with a first arc-shaped notch 2-3a, the bottom end of the circular hole 1-3 is provided with a second arc-shaped notch 1-3a, and a steel ball 13 in a point contact state is arranged between the first arc-shaped notch 2-3a and the second arc-shaped notch 1-3 a.
And a limiting cross rod 14 for limiting the rotation of the valve rod 5 is fixed on the valve rod 5, and the limiting cross rod 14 is rotationally matched with the fastening screw 8.
The working principle of the invention is as follows: the wrestling rod 11 is rotated to drive the rotating block 10, the rotating block 10 rotates to drive the valve rod 5 to rotate, the valve rod 5 rotates to drive the rotating body 2 to rotate, the rotating body 2 and the ring-shaped sealing valve 4 are screwed and tightened when the valve is closed, the valve seal is ensured to gradually enter and press the ring-shaped sealing valve 4 to be completely matched and sealed, the rotating body 2 and the ring-shaped sealing valve seat 4 are quickly separated when the valve is opened, no contact abrasion exists, the operation is light and fast, the service life of the valve is long, the ring-shaped sealing valve 4 is made of wear-resistant, high-temperature-resistant and corrosion-resistant surfacing hard alloy steel.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (7)
1. A many eccentric rotary valves, includes valve body (1), characterized by: the valve body (1) is transversely opened to have the cross-section to be circular shape runner (1-1), valve body (1) vertically upward opens have with runner (1-1) intercommunication and the cross-section is circular shape cock body passageway (1-2), be provided with rotator (2) in cock body passageway (1-2), be fixed with valve gap (3) that covers cock body passageway (1-2) on valve body (1), the intersection right side region of runner (1-1) and cock body passageway (1-2) is equipped with the ring shape sealed valve seat (4) of fixing at runner (1-1) port department, the top of rotator (2) is fixed with valve rod (5), the first distance (a) of central and runner (1-1) central line skew of valve rod (5), form second distance (b) between the central line of cock body passageway (1-2) and sealed valve seat (4) upper portion terminal surface, and a third distance (c) is formed between the central line of the plug body channel (1-2) and the lower end face of the sealing valve seat (4), the third distance (c) is greater than the second distance (b), the rotating shaft of the sealing valve seat (4) and the central line of the fluid (1-1) form a first angle (d), and the surface of the rotating body (2) is covered with silica gel (2-1).
2. A multi-eccentric rotary valve according to claim 1, characterized in that: the rotating body (2) is a fan-shaped block body, and the fan-shaped angle of the rotating body (2) is 75 degrees.
3. A multi-eccentric rotary valve according to claim 2 wherein: the rotating body (2) is provided with an arc-shaped notch (2-2), and the arc-shaped notch (2-2) is positioned on the side of the fluid flowing direction.
4. A multi-eccentric rotary valve according to claim 1, characterized in that: install on valve gap (3) and cup joint first self-lubricating bearing (6) on valve rod (5), install on valve gap (3) with valve rod (5) complex filler (7), valve gap (3) top is equipped with and pushes down filler (7) and fixes gland (9) on valve gap (3) through fastening screw (8), the top of valve rod (5) is fixed with spiral piece (10), threaded connection has arm-and-off rod (11) on spiral piece (10).
5. A multi-eccentric rotary valve according to claim 1, characterized in that: the breakoff rod (11) is provided with a transverse through hole (11-1).
6. A multi-eccentric rotary valve according to claim 3 wherein: the plug is characterized in that a circular hole (1-3) is formed in the bottom surface of the plug body channel (1-2), a second self-lubricating bearing (12) is installed in the circular hole (1-3), a shaft column (2-3) which is circular in cross section and is longitudinally aligned with the valve rod (5) is fixed at the bottom end of the rotating body (2), the shaft column (2-3) is in sleeved fit with the second self-lubricating bearing (12), a first arc-shaped notch (2-3a) is formed in the bottom surface of the shaft column (2-3), a second arc-shaped notch (1-3a) is formed in the bottom end of the circular hole (1-3), and a steel ball (13) in point contact is installed between the first arc-shaped notch (2-3a) and the second arc-shaped notch (1-3 a).
7. A multi-eccentric rotary valve according to claim 1, characterized in that: and a limiting cross rod (14) used for limiting the rotation of the valve rod (5) is fixed on the valve rod (5). The limiting cross rod (14) is matched with the fastening screw (8) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077160.8A CN112253781A (en) | 2020-10-10 | 2020-10-10 | Multi-eccentric rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077160.8A CN112253781A (en) | 2020-10-10 | 2020-10-10 | Multi-eccentric rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253781A true CN112253781A (en) | 2021-01-22 |
Family
ID=74242723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011077160.8A Pending CN112253781A (en) | 2020-10-10 | 2020-10-10 | Multi-eccentric rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253781A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2313613A1 (en) * | 1975-06-06 | 1976-12-31 | Huot Sa | Stop cock with low wear and friction seal - has shaft and cylindrical seal axes offset from each other to give jamming action on closing cock |
| WO2000019133A1 (en) * | 1998-09-30 | 2000-04-06 | Tasowheel Oy | Valve |
| CN1306167A (en) * | 2000-01-14 | 2001-08-01 | 高慎玉 | Blowoff valve |
| CN101099059A (en) * | 2004-11-22 | 2008-01-02 | 萨特尔水控制公司Dba迪祖瑞克水系统 | Plug valve with improved flow capacity |
| CN204512505U (en) * | 2015-03-23 | 2015-07-29 | 江苏高华流体控制有限公司 | A kind of fixing ball valve of energy flexible rotating |
| CN204647394U (en) * | 2015-04-15 | 2015-09-16 | 邓勇 | Ball valve |
| CN105465402A (en) * | 2016-01-19 | 2016-04-06 | 浙江万士通阀门有限公司 | Self-operated ball valve |
| CN108286614A (en) * | 2018-03-08 | 2018-07-17 | 河南省高山阀门有限公司 | A kind of low flow resistance long-life elastic packing eccentric stopcock |
| CN109611576A (en) * | 2019-01-24 | 2019-04-12 | 河南省高山阀门有限公司 | A kind of strong rubber adhesive force eccentric stopcock valve plug |
-
2020
- 2020-10-10 CN CN202011077160.8A patent/CN112253781A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2313613A1 (en) * | 1975-06-06 | 1976-12-31 | Huot Sa | Stop cock with low wear and friction seal - has shaft and cylindrical seal axes offset from each other to give jamming action on closing cock |
| WO2000019133A1 (en) * | 1998-09-30 | 2000-04-06 | Tasowheel Oy | Valve |
| CN1306167A (en) * | 2000-01-14 | 2001-08-01 | 高慎玉 | Blowoff valve |
| CN101099059A (en) * | 2004-11-22 | 2008-01-02 | 萨特尔水控制公司Dba迪祖瑞克水系统 | Plug valve with improved flow capacity |
| CN204512505U (en) * | 2015-03-23 | 2015-07-29 | 江苏高华流体控制有限公司 | A kind of fixing ball valve of energy flexible rotating |
| CN204647394U (en) * | 2015-04-15 | 2015-09-16 | 邓勇 | Ball valve |
| CN105465402A (en) * | 2016-01-19 | 2016-04-06 | 浙江万士通阀门有限公司 | Self-operated ball valve |
| CN108286614A (en) * | 2018-03-08 | 2018-07-17 | 河南省高山阀门有限公司 | A kind of low flow resistance long-life elastic packing eccentric stopcock |
| CN109611576A (en) * | 2019-01-24 | 2019-04-12 | 河南省高山阀门有限公司 | A kind of strong rubber adhesive force eccentric stopcock valve plug |
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