CN116498798A - Needle type flow control valve - Google Patents
Needle type flow control valve Download PDFInfo
- Publication number
- CN116498798A CN116498798A CN202310577630.4A CN202310577630A CN116498798A CN 116498798 A CN116498798 A CN 116498798A CN 202310577630 A CN202310577630 A CN 202310577630A CN 116498798 A CN116498798 A CN 116498798A
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- CN
- China
- Prior art keywords
- fixedly connected
- valve
- flow control
- hanging basket
- control valve
- 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.)
- Withdrawn
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 20
- 230000009467 reduction Effects 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
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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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
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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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a needle type flow control valve, and relates to the technical field of flow control valves. The needle type flow control valve comprises a valve body, a cover plate is fixedly connected to the inner side surface of the valve body, a hanging basket mechanism is arranged in the valve body and comprises a hanging basket body, a sliding block, a sliding groove, a screw rod and a threaded hole, the sliding groove is formed in the left side surface and the right side surface of the valve body, the sliding block is fixedly connected with the left side surface and the right side surface of the hanging basket, the threaded hole is formed in the upper surface of the hanging basket body, the screw rod is movably connected to the inner side of the threaded hole, and a valve rod is fixedly connected to the bottom of the hanging basket body. Through setting up casing and speed governing gear group, can realize the rotation of short stroke effectively and just can control the regulation of flow, set up the scale strip simultaneously and cooperate the instruction mark again, can realize the accurate control to the case and open and shut, can solve the problem that is complicated to flow control operation and flow control precision are lower well.
Description
Technical Field
The invention relates to the technical field of flow control valves, in particular to a needle type flow control valve.
Background
The flow control valve is also called 400X flow control valve, is a multifunctional valve adopting high-precision pilot mode to control flow, is applicable to pipelines of water distribution pipe with flow and pressure to be controlled, keeps the preset flow unchanged, limits excessive flow to a preset value, appropriately reduces upstream high pressure, and does not influence downstream flow of the main valve even if the pressure upstream of the main valve changes.
The current flow control valve can be divided into a plate type flow control valve and a ball type flow control valve, wherein the plate type flow control valve mainly adopts threads on the valve rod to be matched with nuts to drive a valve plate to move up and down so as to control the flow, and the ball type flow control valve mainly adopts the valve rod to drive a valve core to rotate so as to control the flow, so that the flow regulation precision is lower.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a needle type flow control valve, which solves the problems that the current flow control valve can be divided into a plate type flow control valve and a ball type flow control valve, the plate type flow control valve mainly adopts threads on the upper surface of a valve rod to be matched with nuts to drive a valve plate to move up and down so as to control the flow, and the ball type flow control valve mainly adopts the valve rod to drive a valve core to rotate so as to control the flow, so that the flow regulation precision is lower.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a needle flow control valve, includes the valve body, the inboard fixedly connected with apron of valve body, the inside of valve body is provided with hanging flower basket mechanism, hanging flower basket mechanism includes hanging flower basket body, slider, spout, screw rod and screw hole, the side surface about the valve body is seted up to the spout, slider fixed connection is about the hanging flower basket, the upper surface at the hanging flower basket body is seted up to the screw hole, screw rod swing joint is in the inside of screw hole, the bottom fixedly connected with valve rod of hanging flower basket body, the bottom of valve rod runs through apron fixedly connected with case, the side surface fixedly connected with second sealing washer of apron, the upper surface of valve body is through the valve gap of screw installation, the upper surface fixedly connected with casing of valve gap.
Preferably, the upper surface of the shell is fixedly connected with a micro motor, the output end of the micro motor extends to the inner part of the shell and is fixedly connected with a rotating shaft, and the bottom of the rotating shaft extends to the inner part of the valve body and is fixedly connected with the top of the screw rod.
Preferably, the threaded transmission part is formed into an independent sealing cavity by several sealing devices.
Preferably, the upper surface of casing has seted up the reservation groove, the upper surface of casing just is located the left side fixedly connected with scale strip of reservation groove.
Preferably, a gear set is installed in the shell, one gear in the gear set is fixedly connected to the surface of the rotating shaft, and the gear set is a reduction gear mechanism.
Preferably, the upper surface fixedly connected with dead lever of gear train, the top of dead lever runs through the reservation groove fixedly connected with handle, the upper surface fixedly connected with indicator of handle.
Preferably, a first sealing ring is fixedly connected to the radial side surface of the valve core, and the sliding block is in fit connection with the sliding groove.
Preferably, the overall shape of the basket body is a stepped cylinder, the top diameter of the basket body is larger than the bottom diameter, and the sliding block is mounted on the radial side surface of the large-diameter section.
Preferably, the rotating shaft is in sealing and rotating connection with the valve cover and the shell, and the valve rod is in sealing and sliding connection with the cover plate.
Working principle: when the valve is used, the rotating shaft is driven by the micro motor to rotate, the screw rod can be driven to rotate by the rotating shaft, the hanging basket body can be driven to ascend and descend under the action of the screw thread spiral by the rotating shaft, the valve rod and the valve core are driven to move up and down to adjust the flow, then the gear set can be driven to rotate by the rotating shaft, the handle can be driven to rotate by the transmission of the gear set, the opening and closing amount of the valve core can be determined by the position of the indicating mark pointing to the scale bar, the position of the fixing rod can be limited by the limiter, and the maximum opening and closing amount of the valve core can be controlled.
(III) beneficial effects
The invention provides a needle type flow control valve. The beneficial effects are as follows:
1. through setting up casing and speed governing gear group, can realize the regulation of control flow effectively, set up the scale strip simultaneously and cooperate the instruction mark again, can realize the accurate control to the case opening and shutting, can solve the problem that is complicated to flow control operation and flow control precision are lower well.
2. Through setting up hanging flower basket body cooperation screw rod, can realize effectively observing and prescribing a limit to the open and shut state of valve effectively through the handle instruction position to also can reverse the open and shut state of setting for the valve through the handle, can be applicable to the region that the space is narrow and small effectively.
Drawings
FIG. 1 is a front view of the internal structure of a needle flow control valve according to the present invention;
FIG. 2 is a top view of the outer structure of a housing of a needle flow control valve according to the present invention;
FIG. 3 is a schematic view of a basket body of a needle flow control valve according to the present invention;
FIG. 4 is an enlarged view of FIG. 1A according to the present invention;
FIG. 5 is a schematic diagram of a comparative example I of a needle flow control valve according to the present invention;
fig. 6 is a schematic structural diagram of a comparative example two of a needle type flow control valve according to the present invention.
Wherein, 1, the valve body; 2. a cover plate; 3. a basket body; 4. a threaded hole; 5. a chute; 6. a valve cover; 7. a housing; 8. a rotating shaft; 9. a screw; 10. a slide block; 11. a valve core; 12. a first seal ring; 13. a handle; 14. a fixed rod; 15. a reserved groove; 16. a gear set; 17. a scale bar; 18. a second seal ring; 19. a miniature motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-4, the embodiment of the invention provides a needle type flow control valve, which comprises a valve body 1, wherein a cover plate 2 is fixedly connected to the inner side surface of the valve body 1, a hanging basket mechanism is arranged in the valve body 1, the hanging basket mechanism comprises a hanging basket body 3, a sliding block 10, a sliding groove 5, a screw rod 9 and a threaded hole 4, the sliding groove 5 is arranged on the left side surface and the right side surface of the valve body 1, the sliding block 10 is fixedly connected on the left side surface and the right side surface of the hanging basket 3, the threaded hole 4 is arranged on the upper surface of the hanging basket body 3, the screw rod 9 is movably connected in the threaded hole 4, a valve rod is fixedly connected to the bottom of the hanging basket body 3, a valve core 11 is fixedly connected to the bottom of the valve rod penetrating through the cover plate 2, a second sealing ring 18 is fixedly connected to the side surface of the cover plate 2, the upper surface of valve body 1 passes through the screw and installs valve gap 6, the upper surface fixedly connected with casing 7 of valve gap 6, reserve groove 15 has been seted up to the upper surface of casing 7, the upper surface of casing 7 just is located the left side fixedly connected with scale strip 17 of reserve groove 15, the upper surface fixedly connected with micro motor 19 of casing 7, the output of micro motor 19 extends to the inside fixedly connected with pivot 8 of casing 7, the bottom of pivot 8 extends to the inside of valve body 1 and the top fixedly connected with of screw rod 9, the shape of reserve groove 15 and the shape of scale strip 17 are convex, screw rod 9 is connected with screw hole 4 cooperation, the equal fixedly connected with stopper in both ends of reserve groove 15.
The inside of the shell 7 is provided with a gear set 16, one gear in the gear set 16 is fixedly connected to the surface of the rotating shaft 8, the gear set 16 is a reduction gear mechanism, the upper surface of the gear set 16 is fixedly connected with a fixed rod 14, the top of the fixed rod 14 penetrates through a reserved groove 15 to be fixedly connected with a handle 13, and the upper surface of the handle 13 is fixedly connected with an indicator.
The radial side surface of the valve core 11 is fixedly connected with a first sealing ring 12, the sliding block 10 is matched and connected with the sliding groove 5, the rotating shaft 8 is in sealing and rotating connection with the valve cover 6 and the shell 7, and the valve rod is in sealing and sliding connection with the cover plate 2.
The basket body 3 has a stepped cylindrical overall shape, the top diameter of the basket body 3 is larger than the bottom diameter, and the slider 10 is mounted on the radial side surface of the large diameter section.
Comparative example one:
the utility model provides a needle flow control valve, including valve body 1, the inboard fixed surface of valve body 1 is connected with apron 2, the inside of valve body 1 is provided with hanging flower basket mechanism, hanging flower basket mechanism includes hanging flower basket body 3, slider 10, spout 5, screw rod 9 and screw hole 4, the left and right sides surface at valve body 1 is seted up to spout 5, slider 10 fixed connection is on the left and right sides surface of hanging flower basket 3, the upper surface at hanging flower basket body 3 is seted up to screw hole 4, screw rod 9 swing joint is in the inside of screw hole 4, the bottom fixedly connected with valve rod of hanging flower basket body 3, the bottom of valve rod runs through apron 2 fixedly connected with case 11, the side surface fixedly connected with second sealing washer 18 of apron 2, valve gap 6 is installed through the screw to the upper surface of valve body 1, the top fixedly connected with pivot 8 of screw rod 9, the top of pivot 8 runs through valve gap 6 and extends to the outside fixedly connected with handle of valve body 1.
The radial side surface of the valve core 11 is fixedly connected with a first sealing ring 12, the sliding block 10 is in matched connection with the sliding groove 5, the whole shape of the hanging basket body 3 is of a stepped cylindrical shape, the top diameter of the hanging basket body 3 is larger than the bottom diameter, and the sliding block 10 is arranged on the radial side surface of the large-diameter section.
The rotating shaft 8 is in sealing and rotating connection with the valve cover 6 and the shell 7, and the valve rod is in sealing and sliding connection with the cover plate 2.
Comparative example two:
the utility model provides a flow control valve, includes valve body 1, valve body 1's upper surface installs valve gap 6 through the screw, valve body 1's inside swing joint has the case, and the case is sealed rotation connection with valve body 1's interior side surface, and the upper surface fixedly connected with pivot 8 of case, the outside fixedly connected with handle that the upper surface that the valve core was kept away from to pivot 8 runs through valve gap 6 and extends to valve body 1, and the case is inside to be provided with the rivers passageway, and the rivers passageway is the cylindrical passageway that link up from left to right, and the overall shape of case is spherical.
Conclusion: the comparison between the comprehensive comparison example and the comparison example I and the comparison example II can lead to the conclusion that compared with the comparison example I, the comparison example I has the following defects that a speed regulating mechanism is not arranged, a valve core can be opened only by rotating a handle for many circles, so that the efficiency of controlling the flow is lower, the operation of a valve is also more complicated, compared with the comparison example II, the comparison example II has the following defects that the flow needing to be controlled is not provided, the flow needing to be controlled is difficult to be accurately regulated, the accuracy of controlling the flow is lower, meanwhile, leakage is prevented by utilizing the tightness between the valve core and a valve body, and the phenomenon that the valve core is blocked easily occurs when impurities appear, so that the operation is quite laborious.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Needle flow control valve, comprising a valve body (1), characterized in that: the inner side surface of the valve body (1) is fixedly connected with a cover plate (2), a hanging basket mechanism is arranged in the valve body (1) and comprises a hanging basket body (3), a sliding block (10), a sliding groove (5), a screw rod (9) and a threaded hole (4), the sliding groove (5) is formed in the left side surface and the right side surface of the valve body (1), the sliding block (10) is fixedly connected with the left side surface and the right side surface of the hanging basket (3), the threaded hole (4) is formed in the upper surface of the hanging basket body (3), the screw rod (9) is movably connected in the threaded hole (4), the bottom of the hanging basket body (3) is fixedly connected with a valve rod, the bottom of the valve rod penetrates through the cover plate (2) and is fixedly connected with the valve core (11), the side surface of the cover plate (2) is fixedly connected with the second sealing ring (18), the upper surface of the valve body (1) is provided with the valve cover (6) through a screw, the upper surface of the valve cover (6) is fixedly connected with the shell (7), the upper surface of the shell (7) is fixedly connected with the micro motor (19), the output end of the micro motor (19) extends to the inner part of the shell (7) and is fixedly connected with the rotating shaft (8), the gear set (16) is arranged in the inner part of the shell (7), one of the gears in the gear set (16) is fixedly connected to the surface of the rotating shaft (8), and the gear set (16) is a reduction gear mechanism.
2. A needle flow control valve as defined in claim 1, wherein: the bottom of the rotating shaft (8) extends to the inside of the valve body (1) and is fixedly connected with the top of the screw rod (9), and the screw rod (9) is connected with the threaded hole (4) in a matching mode.
3. A needle flow control valve as defined in claim 1, wherein: the upper surface of casing (7) has seted up reservation groove (15), the upper surface of casing (7) just is located reservation groove (15) left side fixedly connected with scale strip (17).
4. A needle flow control valve according to claim 3, wherein: the side surface of the cover plate (2) is fixedly connected with a second sealing ring (18), and the sealing rings (18) are arranged symmetrically up and down.
5. A needle flow control valve as defined in claim 4, wherein: the upper surface fixedly connected with dead lever (14) of gear train (16), the top of dead lever (14) runs through reservation groove (15) fixedly connected with handle (13), the upper surface fixedly connected with indicator of handle (13).
6. A needle flow control valve as defined in claim 1, wherein: the radial side surface of the valve core (11) is fixedly connected with a first sealing ring (12), and the sliding block (10) is in fit connection with the sliding groove (5).
7. A needle flow control valve as defined in claim 1, wherein: the whole shape of the hanging basket body (3) is in a stepped cylindrical shape, the top diameter of the hanging basket body (3) is larger than the bottom diameter, and the sliding block (10) is arranged on the radial side surface of the large-diameter section.
8. A needle flow control valve as defined in claim 1, wherein: the rotating shaft (8) is in sealing and rotating connection with the valve cover (6) and the shell (7), and the valve rod is in sealing and sliding connection with the cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310577630.4A CN116498798A (en) | 2023-05-22 | 2023-05-22 | Needle type flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310577630.4A CN116498798A (en) | 2023-05-22 | 2023-05-22 | Needle type flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116498798A true CN116498798A (en) | 2023-07-28 |
Family
ID=87320195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310577630.4A Withdrawn CN116498798A (en) | 2023-05-22 | 2023-05-22 | Needle type flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116498798A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739161A (en) * | 2024-02-21 | 2024-03-22 | 争一阀门科技有限公司 | Slowly-opened and quickly-closed wave-absorbing valve |
-
2023
- 2023-05-22 CN CN202310577630.4A patent/CN116498798A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117739161A (en) * | 2024-02-21 | 2024-03-22 | 争一阀门科技有限公司 | Slowly-opened and quickly-closed wave-absorbing valve |
| CN117739161B (en) * | 2024-02-21 | 2024-06-11 | 争一阀门科技有限公司 | Slowly-opened and quickly-closed wave-absorbing valve |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230728 |