CN111911635A - Valve with accurate flow intercepting control function - Google Patents
Valve with accurate flow intercepting control function Download PDFInfo
- Publication number
- CN111911635A CN111911635A CN201910382647.8A CN201910382647A CN111911635A CN 111911635 A CN111911635 A CN 111911635A CN 201910382647 A CN201910382647 A CN 201910382647A CN 111911635 A CN111911635 A CN 111911635A
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- Prior art keywords
- valve
- control
- pipe
- hand wheel
- control hand
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
- F16K1/04—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle with a cut-off member rigid with the spindle, e.g. main 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
- F16K1/523—Means for additional adjustment of the rate of flow for limiting the maximum flow rate, using a stop
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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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
- F16K41/06—Spindle sealings with stuffing-box ; Sealing rings with at least one ring attached to both spindle and housing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a valve with an accurate interception control function, which comprises a valve body, wherein the top of the valve body is detachably connected with a valve cover through a threaded nail, a first positioning rod is uniformly welded at the top of the valve cover, a pressing plate is sleeved on the outer wall of the first positioning rod above the valve cover, and a spring is sleeved on the outer wall of the first positioning rod between the valve cover and the pressing plate. According to the invention, the material flow can be accurately controlled through the rotation of the first control hand wheel and the second control hand wheel, when the material circulation is cut off, the pressing plate can be in close contact with the partition plate through the sealing gasket by screwing the first control hand wheel and the second control hand wheel, the sealing effect can be enhanced by the spring, the backflow can be effectively prevented, the generation of the backflow phenomenon is avoided, the whole device can be disassembled and maintained by disassembling the first threaded sleeve and the second threaded sleeve, the replacement treatment of parts in the valve body is convenient, the cost is reduced, and the stability of the device is ensured.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a valve with an accurate interception control function.
Background
The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, is widely applied to water pipes and air pipes, and can realize the circulation of substances or not through the control of the valve. The interception control valve is an important valve, is convenient and widely used in municipal administration and the like.
Current interception control valve, when using, adopt single valve rod to control, the rotation valve rod, the migration distance is great, can't satisfy the accurate regulation to the flow of material, current interception control valve, when not using, the sealed lid junction in the inner chamber can be passed through to the material, the backward flow phenomenon takes place, the leakproofness is not good, and simultaneously, the control valve that dams of current, adopt whole casting, the inside spare part that destroys, be not convenient for change, can increase the cost of use, can't satisfy the enterprise to the accurate valve requirement of control function that dams.
Disclosure of Invention
The invention aims to: in order to solve the problems of low control flow precision, easy backflow phenomenon, inconvenient maintenance and the like, the valve with the accurate flow interception control function is provided.
The technical scheme adopted by the invention is as follows: a valve with an accurate intercepting control function comprises a valve body, wherein the top of the valve body is detachably connected with a valve cover through a threaded nail, a first locating rod is uniformly welded at the top of the valve cover, the outer wall of the first locating rod is located above the valve cover, a pressing plate is sleeved on the upper portion of the valve cover, a spring is sleeved on the outer wall of the first locating rod between the valve cover and the pressing plate, one end of the first locating rod is located at the top of the pressing plate, a first threaded sleeve is connected with the threaded sleeve in a threaded mode, so that the distance between the pressing plate and the valve cover can be adjusted through the stretching and the retracting of the spring, a partition plate is welded in the vertical central line in an inner cavity of the valve body, a flow limiting pipe is embedded at the center of the top of the partition plate in a sliding mode, a sealing block is welded at the top of the flow limiting pipe, a sealing gasket is sleeved on the outer wall of the flow limiting, the valve is characterized in that a valve pipe penetrates through the center of the top of the sealing block and is welded to the center of the round block, so that the valve pipe drives the round block to rotate in the sealing block, the other end of the valve pipe penetrates through the valve cover and the pressing plate in sequence, a first control hand wheel is welded to the valve cover and the pressing plate, and the valve pipe is in threaded connection with the pressing plate.
The valve comprises a valve cover, a valve pipe, a gasket, a first positioning rod, a second positioning rod and a gasket, wherein the gasket is sleeved on the outer wall of the valve pipe and embedded in the valve cover, the vertical cross section of the gasket is of an inverted convex structure, and the top of the valve cover is located on the periphery of the gasket and uniformly welded with the second positioning rod.
The outer wall of the second positioning rod is sleeved with a gland, and the other end of the second positioning rod is positioned at the top of the gland and is in threaded connection with a second threaded sleeve, so that the gland can fix the gasket.
Wherein, valve pipe female connection has the valve rod, the one end of valve rod runs through first control hand wheel welding has the second control hand wheel, it has the current limiting piece to slide in the current limiting pipe, it is equipped with rotatory piece to rotate to inlay on the vertical central line that lies in the current limiting piece, just rotatory piece with valve rod welding.
Two sliding blocks are welded on two sides of the rotating block and are embedded into the flow limiting pipe in a sliding mode.
A plurality of through holes are uniformly formed in the outer wall of the current-limiting tube, and two sliding grooves are formed in the current-limiting tube.
The top of the pressing plate is located on the periphery of the first control hand wheel and is evenly carved with scale marks, and the top of the first control hand wheel and the top of the second control hand wheel are both provided with indication arrows.
Wherein the vertical cross section of the partition is a stair-shaped structure so that the substance flows in the valve body.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the first control hand wheel can be screwed to drive the valve pipe to rotate, the valve pipe is in threaded connection with the pressing plate and can drive the round block to rotate in the sealing block to drive the flow limiting pipe to move up and down in the partition plate, materials can pass through the plurality of through holes formed in the flow limiting pipe to realize circulation, the position of the flow limiting block in the flow limiting pipe can be changed by rotating the second control hand wheel, the actual using number of the through holes is changed, the purpose of adjusting the material flow secondarily is achieved, and the material flow is accurately controlled by the indicating arrow and the scale mark.
2. According to the invention, when the circulation of materials is cut off, the first control hand wheel and the second control hand wheel are screwed, so that the pressing plate can be in close contact with the partition plate through the sealing gasket, the sealing effect can be enhanced by the spring, backflow can be effectively prevented, and the backflow phenomenon is avoided.
3. According to the invention, the whole device can be disassembled and maintained by disassembling the first threaded sleeve, the second threaded sleeve and the threaded nail, so that the parts in the valve body can be conveniently replaced, the cost is reduced, and the stability of the device is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the valve cover connection of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in the present invention;
FIG. 4 is a schematic side view of the flow-limiting tube and the sealing block of the present invention;
FIG. 5 is a schematic view showing a connection structure of the inside of a flow restriction pipe according to the present invention.
The labels in the figure are: 1. a valve body; 2. a partition plate; 3. a current limiting pipe; 4. a sealing block; 5. a gasket; 6. a valve cover; 7. a first positioning rod; 8. a spring; 9. pressing a plate; 10. a first threaded sleeve; 11. a first control hand wheel; 12. a second control hand wheel; 13. a valve stem; 14. a valve tube; 15. a gland; 16. scale marking; 17. an arrow is indicated; 18. a second positioning rod; 19. a second threaded sleeve; 20. a gasket; 21. a round block; 22. a flow limiting block; 23. rotating the block; 24. a slide block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Embodiment one, referring to fig. 1, a valve with accurate flow intercepting and controlling function comprises a valve body 1, the top of the valve body 1 is detachably connected with a valve cover 6 through a threaded nail, a first positioning rod 7 is uniformly welded on the top of the valve cover 6, a pressing plate 9 is sleeved on the outer wall of the first positioning rod 7 and positioned above the valve cover 6, a spring 8 is sleeved on the outer wall of the first positioning rod 7 and positioned between the valve cover 6 and the pressing plate 9, when the valve is used, the length of the spring 8 can be adjusted in advance, the whole device is calibrated, one end of the first positioning rod 7 is positioned on the top of the pressing plate 9, a first threaded sleeve 10 is connected through threads, so that the distance between the pressing plate 9 and the valve cover 6 can be adjusted through the expansion and contraction of the spring 8, a partition plate 2 is welded on a vertical central line in an inner cavity of the valve body 1, a flow limiting pipe 3 is slidably embedded in, the outer wall of the flow limiting pipe 3 is sleeved with a sealing gasket 5, the top of the sealing gasket 5 is bonded with a sealing block 4, a round block 21 is rotatably embedded in the sealing block 4 on a vertical central line, a valve pipe 14 penetrates through the center of the top of the sealing block 4 and is welded with the center of the round block 21, so that the valve pipe 14 drives the round block 21 to rotate in the sealing block 4, a first control hand wheel 11 is welded at the other end of the valve pipe 14 sequentially penetrates through a valve cover 6 and a pressing plate 9, the valve pipe 14 is in threaded connection with the pressing plate 9, when the device is used, the first control hand wheel 11 can be rotated to enable the valve pipe 14 to rotate in the valve body 1, due to the threaded connection between the valve pipe 14 and the pressing plate 9, the valve pipe 14 can change up and down in position in the valve body 1 along with the rotation of the first control hand wheel 11, the valve pipe 14 can drive the round block 21 to rotate in the sealing block 4 to pull the sealing block 4 to move up and down, realize sealed separation or the extrusion of 5 and baffle 2 of filling up, when the current-limiting pipe 3 moves up along with valve pipe 14, through-hole on the current-limiting pipe 3 can be in the top of baffle 2, alright in order to realize the circulation of 1 inside material of valve body, equally, can make valve pipe 14 drive sealed piece 4 and extrude baffle 2, this time, spring 8 also can receive the compression, make sealed 4 intercommunication of sealed piece 5 and baffle 2 be connected inseparabler, can effectually prevent the material phenomenon of backward flow.
Embodiment two, referring to fig. 1 and 3, a gasket 20 is sleeved on an outer wall of a valve tube 14, the gasket 20 is embedded in a valve cover 6, a vertical cross section of the gasket 20 is of an inverted convex structure, the gasket 20 can prevent substances in the valve body 1 from overflowing, a plurality of second positioning rods 18 are uniformly welded on the top of the valve cover 6 around the gasket 20, the second positioning rods 18 are arranged to form a circular figure when viewed from above, a gland 15 is sleeved on the outer wall of the second positioning rod 18, a second thread sleeve 19 is connected to the other end of the second positioning rod 18 at the top of the gland 15 through a thread, so that the gland 15 fixes the gasket 20, when the internal parts of the device are replaced and maintained, the first thread sleeve 10, the second thread sleeve 19 and a screw can be screwed down, the valve cover 6 can be taken down from the valve body 1, the flow-limiting tube 3 and the like can be taken out, so as to replace and maintain the internal and external, the device can be maintained conveniently, and the stability of the device is guaranteed.
In the third embodiment, referring to fig. 1-2 and 4-5, a valve rod 13 is connected to a valve tube 14 through a thread, a second control hand wheel 12 is welded to one end of the valve rod 13 through a first control hand wheel 11, a current limiting block 22 is slidably disposed in the current limiting tube 3, a rotating block 23 is rotatably embedded in the current limiting tube 3 on a vertical centerline, the rotating block 23 is welded to the valve rod 13, two sliders 24 are welded to two sides of the rotating block 23, the two sliders 24 can prevent the current limiting block 22 from rotating in the current limiting tube 3, the two sliders 24 are slidably embedded in the current limiting tube 3, a plurality of through holes are uniformly formed in the outer wall of the current limiting tube 3, two sliding grooves are formed in the current limiting tube 3, the two sliding grooves are disposed corresponding to the two sliders 24, scale marks 16 are uniformly carved on the periphery of a first control hand wheel 11 at the top of a pressing plate 9, indication arrows 17 are disposed on the tops of the first control hand wheel 11, the vertical cross-section of baffle 2 is stair shape structure, so that the material flows in valve body 1, after through rotating first control hand wheel 11, rotate second control hand wheel 12 once more, can make valve rod 13 at valve pipe 14 internal rotation, drive rotatory piece 23 at the internal rotation of current-limiting block 22, current-limiting block 22 can change the position in current-limiting pipe 3, plug up the through-hole of different positions, can realize quadratic material flow control regulation, when using, can pass through the rotation of instruction arrow 17, refer to mutually with scale mark 16, the audio-visual flow condition of knowing the material, convenient to use person's use.
The working principle is as follows: when in use, the first control hand wheel 11 is screwed to enable the first control hand wheel 11 to drive the valve tube 14 to rotate, the valve tube 14 can drive the round block 21 to rotate in the sealing block 4 due to the threaded connection of the valve tube 14 and the pressing plate 9, the flow limiting tube 3 is driven to move up and down in the partition plate 2, substances can pass through a plurality of through holes arranged on the flow limiting tube 3 to realize circulation, the position of the flow limiting block 22 in the flow limiting tube 3 can be changed by rotating the second control hand wheel 12, the actual using number of the through holes is changed, the purpose of secondary substance flow regulation is achieved, the indication arrow 17 can rotate along with the rotation of the first control hand wheel 11 and the second control hand wheel 12, the substance flow condition can be visually checked through the indication arrow 17 and the scale mark 16, the accurate flow control effect is achieved, when the substance circulation is not needed, the first control hand wheel 11 can be screwed, make the extrusion force grow that spring 8 received, at this moment, sealed piece 4 can take sealed 5 inseparabler of being connected with baffle 2 of filling up, can effectually prevent that the material from taking place the backward flow phenomenon, when needs maintain the device, can be through dismantling first thread bush 10, second thread bush 19 and screw, alright with dismantling valve gap 6, clamp plate 9 etc. to can be convenient change the maintenance to inside or outside each spare part of the device, avoid whole change.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a valve with accurate control function that dams, includes valve body (1), its characterized in that: the valve cover (6) is detachably connected to the top of the valve body (1) through a threaded nail, a first locating rod (7) is uniformly welded to the top of the valve cover (6), a pressing plate (9) is sleeved above the valve cover (6) and located at the outer wall of the first locating rod (7), a spring (8) is sleeved between the valve cover (6) and the pressing plate (9) and located at the outer wall of the first locating rod (7), one end of the first locating rod (7) is located at the top of the pressing plate (9) and is in threaded connection with a first threaded sleeve (10) so that the distance between the pressing plate (9) and the valve cover (6) can be adjusted through the expansion and contraction of the spring (8), a partition plate (2) is welded to the vertical middle line in the inner cavity of the valve body (1), a flow limiting pipe (3) is slidably embedded at the center of the top of the partition plate (2), and a sealing block (4) is welded to the top of the, the cover is equipped with sealed pad (5) on the outer wall of current-limiting pipe (3), and the top and the sealed piece (4) of sealed pad (5) bond, it is equipped with circle piece (21) to lie in the rotation on the vertical midline in sealed piece (4), the top center department of sealed piece (4) runs through and is provided with valve pipe (14), valve pipe (14) run through the center department of circle piece (21) welds mutually, so that valve pipe (14) drive circle piece (21) are in sealed piece (4) internal rotation, just the other end of valve pipe (14) runs through in proper order valve gap (6) with clamp plate (9) welding has first control hand wheel (11), and valve pipe (14) with clamp plate (9) threaded connection.
2. A valve with accurate shut-off control as claimed in claim 1, wherein: the outer wall cover of valve pipe (14) is equipped with gasket (20), just gasket (20) embedding in valve gap (6), and the vertical cross-section of gasket (20) is the structure of falling convex, the top of valve gap (6) is located even welding all around of gasket (20) has second locating lever (18).
3. A valve with precise shut-off control as claimed in claim 2, wherein: the outer wall of the second positioning rod (18) is sleeved with a gland (15), and the other end of the second positioning rod (18) is located at the top of the gland (15) and is in threaded connection with a second threaded sleeve (19), so that the gland (15) can fix the gasket (20).
4. A valve with accurate shut-off control as claimed in claim 1, wherein: valve pipe (14) female connection has valve rod (13), the one end of valve rod (13) is run through first control hand wheel (11) welding has second control hand wheel (12), it sets up current limiting block (22) to slide in current limiting pipe (3), it inlays and is equipped with rotatory piece (23) to lie in the rotation on the vertical midline in current limiting block (22), just rotatory piece (23) with valve rod (13) welding.
5. A valve with accurate shut-off control as claimed in claim 4, wherein: two sliding blocks (24) are welded on two sides of the rotating block (23), and the two sliding blocks (24) are embedded into the flow limiting pipe (3) in a sliding mode.
6. A valve with accurate shut-off control as claimed in claim 1, wherein: a plurality of through holes are uniformly formed in the outer wall of the current limiting pipe (3), and two sliding grooves are formed in the current limiting pipe (3).
7. A valve with precise shut-off control as claimed in claim 1 or 4, wherein: the top of clamp plate (9) is located evenly to be carved with scale mark (16) all around of first control hand wheel (11), first control hand wheel (11) with the top of second control hand wheel (12) all is provided with instruction arrow (17).
8. A valve with accurate shut-off control as claimed in claim 1, wherein: the vertical section of the clapboard (2) is of a stair-shaped structure, so that substances can flow in the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910382647.8A CN111911635A (en) | 2019-05-09 | 2019-05-09 | Valve with accurate flow intercepting control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910382647.8A CN111911635A (en) | 2019-05-09 | 2019-05-09 | Valve with accurate flow intercepting control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911635A true CN111911635A (en) | 2020-11-10 |
Family
ID=73242411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910382647.8A Pending CN111911635A (en) | 2019-05-09 | 2019-05-09 | Valve with accurate flow intercepting control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911635A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628782A (en) * | 2021-01-12 | 2021-04-09 | 辽宁科技学院 | Industrial flue gas desulfurization and dust removal device and implementation method thereof |
| CN115031030A (en) * | 2022-06-21 | 2022-09-09 | 安徽斯瑞尔阀门有限公司 | Integrated water storage buffering flow-limiting flow-intercepting combined valve and method thereof |
-
2019
- 2019-05-09 CN CN201910382647.8A patent/CN111911635A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628782A (en) * | 2021-01-12 | 2021-04-09 | 辽宁科技学院 | Industrial flue gas desulfurization and dust removal device and implementation method thereof |
| CN112628782B (en) * | 2021-01-12 | 2023-06-23 | 辽宁科技学院 | Industrial flue gas desulfurization dust removal device and implementation method thereof |
| CN115031030A (en) * | 2022-06-21 | 2022-09-09 | 安徽斯瑞尔阀门有限公司 | Integrated water storage buffering flow-limiting flow-intercepting combined valve and method thereof |
| CN115031030B (en) * | 2022-06-21 | 2024-05-28 | 安徽斯瑞尔阀门有限公司 | Integrated water storage buffering flow-limiting shutoff combined valve and method thereof |
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