CN113531136A - One-way fine adjustment type hydraulic control throttling device - Google Patents
One-way fine adjustment type hydraulic control throttling device Download PDFInfo
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- CN113531136A CN113531136A CN202110909426.9A CN202110909426A CN113531136A CN 113531136 A CN113531136 A CN 113531136A CN 202110909426 A CN202110909426 A CN 202110909426A CN 113531136 A CN113531136 A CN 113531136A
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention relates to the technical field of hydraulic control throttling devices, in particular to a one-way fine adjustment type hydraulic control throttling device which comprises a valve core sleeve and a valve plate, wherein the valve plate is connected in the valve core sleeve in a sliding mode, a hydraulic cylinder is connected to the valve plate through a connecting frame, a circulation hole for circulating a medium is formed in the valve plate, a water inlet for distributing liquid is formed in the valve plate, a piston cavity for storing liquid is further formed in the valve plate, the piston cavity, the water inlet and the circulation hole are communicated, and a liquid outlet device is further arranged on the valve plate. According to the invention, the two piston cavities and the water inlet are symmetrically arranged in the valve plate, when liquid flows from the diversion trench on one side to the diversion trench on the other side, not only are impurities attached to the bottom of the valve core sleeve cleaned by the liquid, but also the circulation of the liquid is realized by the two piston cavities, and the liquid drives the impurities to flow to the circulation hole and then flows out of the valve plate along with the liquid passing through the circulation hole.
Description
Technical Field
The invention relates to the technical field of hydraulic control throttling devices, in particular to a one-way fine adjustment type hydraulic control throttling device.
Background
The throttling device is a flow device in the pipeline when the fluid filled in the pipeline flows through the pipeline, the flow beam forms partial contraction at the throttling part, thereby increasing the flow speed and reducing the static pressure, generating static pressure difference before and after the throttling element, when continuous fluid medium flows through the throttling device preset in the pipeline in the process of moving in the pipeline, the flow stream will form a local reducing state at the throttling device, so that the flow speed of the fluid medium is increased, the hydrostatic pressure is relatively reduced, this condition creates a pressure drop upstream and downstream of the restriction, and the relatively greater the flow of the flowing medium, the greater the pressure difference created upstream and downstream of the restriction, and, therefore, the pressure difference of the throttling measuring device can be used for relatively measuring the flow rate of the fluid flowing through the throttling device through certain conversion, this is the basic principle of using a throttling device to specifically measure the flow of a continuously flowing medium in a pipe.
However, after the existing one-way fine adjustment type hydraulic control throttling device is used for a long time, impurities can be carried on the valve core and the bottom of the valve body, so that the valve core is closed, the impurities conflict with the valve core, the valve core can not be completely closed, liquid is in a flowing state, the throttling effect can not be achieved, when more and more impurities exist, the valve core can be corroded, when the existing one-way fine adjustment type hydraulic control throttling device is maintained, the existing one-way fine adjustment type hydraulic control throttling device is integrally disassembled, the pipelines connected to the two sides of the one-way fine adjustment type hydraulic control throttling device need to be sealed firstly, leakage is avoided, and the whole operation is very troublesome.
Disclosure of Invention
The invention provides a one-way fine adjustment type hydraulic control throttling device, which has the beneficial effect of automatically cleaning impurities and solves the problem that when the one-way fine adjustment type hydraulic control throttling device is overhauled and maintained in the background art, the existing one-way fine adjustment type hydraulic control throttling device is integrally disassembled, the pipelines connected to two sides of the one-way fine adjustment type hydraulic control throttling device are sealed firstly, leakage is avoided, and the integral operation is very troublesome.
The invention provides the following technical scheme: a unidirectional fine adjustment type hydraulic control throttling device comprises a valve core sleeve and a valve plate which is connected in the valve core sleeve in a sliding mode, wherein a hydraulic cylinder connected with the valve plate through a connecting frame is arranged on the valve plate, a circulation hole for circulating media is further formed in the valve plate, a water inlet for distributing liquid is further formed in the valve plate, a piston cavity for storing the liquid is further formed in the valve plate, the piston cavity, the water inlet and the circulation hole are communicated, a liquid outlet device is further arranged on the valve plate and used for controlling the amount of the liquid sprayed into a piston component from the piston cavity, and a flow guide groove for guiding the direction of the liquid is further formed in the valve plate;
the liquid outlet device comprises a convex groove arranged in the valve plate, the flow guide groove, the convex groove and the piston cavity are communicated, the inside of the valve plate is further connected with a blocking plate used for blocking the convex groove in a sliding mode, the blocking plate is connected with the convex groove through a first spring, the inside of the valve plate is further connected with a control device in a sliding mode, and the control device is used for guiding liquid to flow to the water inlet.
As an alternative of the unidirectional fine adjustment type hydraulic control throttling device of the invention, wherein: the inside of valve plate still is provided with adjusts the chamber, controlling means sliding connection is in the inside of adjusting the chamber, controlling means includes sliding connection at the regulating plate of adjusting the intracavity portion, be provided with the circulation square groove of circulation liquid on the regulating plate, install the cylinder on the regulating plate, the cylinder passes through the second spring and is connected with the valve plate, the cylinder runs through the valve plate, still install the limiting plate on the pneumatic cylinder, the cylinder is used for contradicting the limiting plate.
As an alternative of the unidirectional fine adjustment type hydraulic control throttling device of the invention, wherein: still be connected with piston assembly on the valve plate, piston assembly sliding connection is in the inside of guiding gutter, piston assembly is used for the liquid between extrusion case cover and the valve plate, piston assembly includes first piston board, first piston board sliding connection is in the inside of guiding gutter, first piston board passes through the third spring and is connected with the valve plate, still install the support slide on the first piston board, the support slide runs through valve plate and sliding connection in the inside of adjusting the chamber, be provided with the spacing groove on the support slide, install the driving plate on the regulating plate, install the trapezoidal strip of extrusion spacing inslot wall on the driving plate.
As an alternative of the unidirectional fine adjustment type hydraulic control throttling device of the invention, wherein: still sliding connection has drainage device in the inside in piston chamber, drainage device is used for extraction and discharge liquid, drainage device includes sliding connection at the inside second piston plate of piston chamber, set up the liquid groove of circulation liquid on the second piston plate, still install the slide bar on the second piston plate, the slide bar runs through the valve plate and extends to the inside of guiding gutter, the slide bar passes through the inside of fourth spring coupling at the valve plate, still be provided with the regulation square groove on the slide bar, still install the inclined plane board on the first piston plate, the inclined plane board is used for contradicting the regulation square groove.
As an alternative of the unidirectional fine adjustment type hydraulic control throttling device of the invention, wherein: the inside of second piston plate still is provided with rectangular groove, the liquid groove communicates with rectangular groove mutually, there is sealed slide in the inside of second piston plate still sliding connection, sealed slide is used for sealed liquid groove, the conflict piece is still installed to the lower extreme of sealed slide, the conflict piece is used for contradicting on the inner wall in rectangular groove.
As an alternative of the unidirectional fine adjustment type hydraulic control throttling device of the invention, wherein: still sliding connection has sealing device on the valve plate, sealing device is used for sealed water inlet, sealing device is including installing the axostylus axostyle on the second piston board, install arm-tie and push pedal on the axostylus axostyle in proper order, still install the sealed piece that is used for sealed water inlet on the valve plate, the arm-tie is used for adjusting the position of sealed piece with the push pedal, sealed piece passes through the shell fragment and connects on the valve plate, the spring pearl is all installed to the both sides of sealed piece, the inside of valve plate still is provided with the draw-in groove, the spring pearl is used for the inside of buckle at the draw-in groove.
As an alternative of the unidirectional fine adjustment type hydraulic control throttling device of the invention, wherein: the lower extreme sliding connection of valve plate has cleaning member, cleaning member is used for cutting to pieces the diapire of rubbing piston part, cleaning member is including installing the L shaped plate on the driving plate, extrusion piece is installed to cylindrical one side, the inside sliding connection of adjusting the chamber has T shape cover, T shape cover is through the inside of fifth spring coupling at the valve plate, extrusion piece is used for contradicting mutually with T shape cover, the inside rotation of T shape cover is connected with the scraper, the scraper passes through torque spring and connects the inside at T shape cover, the scraper is used for cutting to pieces the diapire of rubbing piston part, the inside of T shape cover is still fixed mounting has the welding piece.
As an alternative of the unidirectional fine adjustment type hydraulic control throttling device of the invention, wherein: the inside of T shape cover is sliding connection still has trapezoidal plate, the lower extreme of trapezoidal plate is installed and is pressed the briquetting, press the briquetting and contradict at the surface of scraper, the atress piece is installed to the upper end of trapezoidal plate, the extrusion piece is used for contradicting the atress piece.
The invention has the following beneficial effects:
1. this one-way fine-tuning liquid accuse throttling arrangement is provided with two piston chambeies and water inlet through the inside symmetry of valve plate, when liquid flows to the guiding gutter department of opposite side from the guiding gutter department of one side, not only utilizes liquid to clear up the adnexed impurity in case cover bottom, has still realized the circulation of liquid through two piston chambeies, utilizes liquid to take impurity circulation to flow to opening department, follows the inside that flows out the valve plate together through the liquid of opening.
2. According to the unidirectional fine adjustment type hydraulic control throttling device, the second spring installed at the lower end of the transmission plate can also abut against the T-shaped sleeve, so that the T-shaped sleeve slides rightwards through the abutment of the second spring, and then the T-shaped sleeve is utilized to drive the scraper installed at the lower end to cut the bottom of the valve core sleeve, so that the treatment of stubborn impurities is realized, and the cleanness of cleaning is ensured.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention.
FIG. 2 is a half sectional view of the valve plate of the present invention.
FIG. 3 is a schematic view of a portion of the structure of FIG. 2 according to the present invention.
FIG. 4 is a schematic structural diagram of the control device and the valve plate of the present invention.
FIG. 5 is a schematic view of the structure of the drainage device and the piston assembly of the present invention.
FIG. 6 is a schematic view of a portion of the structure shown in FIG. 5B according to the present invention.
FIG. 7 is a schematic view of the cleaning member of the present invention.
FIG. 8 is a partial structural view of FIG. 7 at C according to the present invention.
In the figure: 1. a valve plate; 2. a liquid outlet device; 21. a convex groove; 22. a first spring; 23. a blocking plate; 3. a piston member; 31. a first piston plate; 32. a third spring; 33. supporting the sliding plate; 34. a limiting groove; 35. an inclined plane plate; 4. a sealing device; 41. a shaft lever; 42. pulling a plate; 43. pushing the plate; 44. a sealing block; 45. a spring plate; 46. a spring bead; 5. cleaning the component; 51. an L-shaped plate; 52. extruding the block; 53. a T-shaped sleeve; 54. a fifth spring; 55. a scraper; 56. welding the blocks; 57. a trapezoidal plate; 58. a stress block; 59. a pressing block; 60. a torque spring; 6. a control device; 61. a cylinder; 62. a second spring; 63. an adjusting plate; 64. a flow square groove; 65. a drive plate; 66. a trapezoidal strip; 7. a flow-through hole; 8. a drainage device; 81. a slide bar; 82. a fourth spring; 83. adjusting the square groove; 84. a second piston plate; 85. a liquid flowing groove; 86. a long groove; 87. sealing the sliding plate; 88. a contact block; 9. a water inlet; 10. a piston cavity; 11. a diversion trench; 12. an adjustment chamber; 13. a connecting frame; 14. a card slot; 15. a limiting plate; 16. a hydraulic cylinder; 17. and (4) a valve core sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a one-way fine-tuning hydraulic control throttling device comprises a valve core sleeve 17 and a valve plate 1 slidably connected in the valve core sleeve 17, wherein the valve plate 1 is provided with a hydraulic cylinder 16 connected through a connecting frame 13, the valve plate 1 is also provided with a circulation hole 7 for circulating a medium, the valve plate 1 is also provided with a water inlet 9 for distributing liquid, the valve plate 1 is also provided with a piston cavity 10 for storing liquid, the piston cavity 10, the water inlet 9 and the circulation hole 7 are communicated, the valve plate 1 is also provided with a liquid outlet device 2, the liquid outlet device 2 is used for controlling the amount of the liquid sprayed from the piston cavity 10 to the interior of a piston component 3, and the valve plate 1 is also provided with a diversion trench 11 for guiding the direction of the liquid;
the liquid outlet device 2 comprises a convex groove 21 arranged in the valve plate 1, the guide groove 11, the convex groove 21 and the piston cavity 10 are communicated, a blocking plate 23 used for blocking the convex groove 21 is further connected to the inside of the valve plate 1 in a sliding mode, the blocking plate 23 is connected with the convex groove 21 through a first spring 22, a control device 6 is further connected to the inside of the valve plate 1 in a sliding mode, and the control device 6 is used for guiding liquid to flow to the water inlet 9.
In this embodiment:
bottom of the circulating impact spool sleeve 17: according to the figure 1, when throttling is needed, the hydraulic cylinder 16 is controlled to push the valve plate 1 to slide towards the bottom of the valve core sleeve 17 through hydraulic pressure to achieve throttling, when valve opening and water discharging are needed, the hydraulic cylinder 16 pulls the valve plate 1 to slide upwards, so that the position of the circulating hole 7 is gradually aligned with a water pipe, the flow of circulating liquid in the pipeline is adjusted in a one-way mode, the water inlet 9 formed in the valve plate 1 is exposed, when the circulating liquid passes through the circulating hole 7, a part of the liquid is shunted to the inside of the piston cavity 10 through the water inlet 9, at the moment, as the valve plate 1 slides upwards gradually, the valve plate 1 and the bottom of the valve core sleeve 17 form a space, the liquid in the piston cavity 10 is sprayed through the liquid outlet device 2, impurities attached to the bottom of the valve core sleeve 17 are cleaned through the liquid, and the guide groove 11 is formed in the valve plate 1, the flow space of the liquid is enlarged by utilizing the flow guide groove 11, the situation that the liquid sprayed from the liquid outlet device 2 cannot impact the bottom of the valve core sleeve 17 well due to the fact that a gap between the valve plate 1 and the valve core sleeve 17 is small is avoided, according to the scheme shown in the figure 2, two piston cavities 10 and a water inlet 9 are symmetrically arranged inside the valve plate 1, when the liquid flows to the flow guide groove 11 on the right from the flow guide groove 11 on the left, impurities attached to the bottom of the valve core sleeve 17 are cleaned by utilizing the liquid, the circulation of the liquid is also realized through the two piston cavities 10, the liquid drives the impurities to flow to the circulation hole 7 and flows out of the inside of the valve plate 1 along with the liquid passing through the circulation hole 7;
increasing hydraulic pressure: according to the illustration in fig. 3, the liquid flows through the convex groove 21, but the pressure of the liquid is still small, which results in a small force impacting the bottom of the valve core sleeve 17 and a poor cleaning effect, so that the first spring 22 and the blocking plate 23 are installed inside the convex groove 21, when the water pressure inside the piston cavity 10 exceeds the spring force of the first spring 22, the high-pressure liquid can instantly rush out of the convex groove 21 to clean impurities attached to the bottom of the valve core sleeve 17, and thus a good cleaning effect is achieved.
Example 2
The embodiment is an improvement made on the basis of embodiment 1, as shown in fig. 1-4, an adjusting chamber 12 is further provided inside the valve plate 1, the control device 6 is slidably connected inside the adjusting chamber 12, the control device 6 includes an adjusting plate 63 slidably connected inside the adjusting chamber 12, a square flow channel 64 for flowing fluid is provided on the adjusting plate 63, a cylinder 61 is mounted on the adjusting plate 63, the cylinder 61 is connected with the valve plate 1 through a second spring 62, the cylinder 61 penetrates through the valve plate 1, a limit plate 15 is further mounted on the hydraulic cylinder 16, the cylinder 61 is used for abutting against the limit plate 15, a piston member 3 is further connected on the valve plate 1, the piston member 3 is slidably connected inside the diversion trench 11, the piston member 3 is used for squeezing the fluid between the valve core sleeve 17 and the valve plate 1, the piston member 3 includes a first piston plate 31, the first piston plate 31 is slidably connected inside the diversion trench 11, first piston plate 31 is connected with valve plate 1 through third spring 32, still installs support slide 33 on the first piston plate 31, and support slide 33 runs through valve plate 1 and sliding connection is in the inside of adjusting chamber 12, is provided with spacing groove 34 on the support slide 33, installs driving plate 65 on the regulating plate 63, installs the trapezoidal strip 66 of extrusion spacing groove 34 inner wall on the driving plate 65.
In this embodiment:
blocking drainage: according to fig. 4, by sliding the adjusting plate 63 in the valve plate 1 and sealing a half space of the flow through hole 7 by the adjusting plate 63, normal flow of the liquid can be realized, and a part of the liquid can be blocked by the adjusting plate 63 from being guided to the inside of the piston cavity 10, thereby improving the efficiency of storing water in the piston cavity 10;
the piston presses the liquid: the cylinder 61 is installed at the upper end of the adjusting plate 63, when the valve plate 1 is lifted upwards, as shown in fig. 1, the cylinder 61 is abutted against the limiting plate 15, as shown in fig. 4, the adjusting plate 63 is pressed downwards by the cylinder 61, the overlapping area between the circulation square groove 64 and the circulation hole 7 is enlarged, the adjusting plate 63 is used for pushing the transmission plate 65 to slide downwards, the trapezoidal strip 66 on the transmission plate 65 is abutted against the inner wall of the limiting groove 34, and then the trapezoidal strip 66 is used for pushing the support sliding plate 33 to slide towards one side, because the support sliding plate 33 is connected to the valve plate 1 through the third spring 32, when the support sliding plate 33 is not abutted against the support sliding plate 33, the support sliding plate 33 is driven to reset by the third spring 32, so that the device pushes the liquid between the guide groove 11 and the valve core sleeve 17 through the reciprocating sliding of the first piston plate 31, and the liquid impacts the bottom of the valve core sleeve 17 at a higher speed, impurities attached to the bottom of the valve core sleeve 17 can be better cleaned.
Example 3
The embodiment is an improvement on embodiment 2, as shown in fig. 1-6, a drainage device 8 is further slidably connected inside the piston cavity 10, the drainage device 8 is used for drawing and discharging liquid, the drainage device 8 includes a second piston plate 84 slidably connected inside the piston cavity 10, a liquid flowing groove 85 for flowing liquid is formed in the second piston plate 84, a sliding rod 81 is further mounted on the second piston plate 84, the sliding rod 81 penetrates through the valve plate 1 and extends into the flow guiding groove 11, the sliding rod 81 is connected inside the valve plate 1 through a fourth spring 82, an adjusting square groove 83 is further disposed on the sliding rod 81, an inclined plane plate 35 is further mounted on the first piston plate 31, the inclined plane 35 is used for abutting against the adjusting square groove 83, a long groove 86 is further disposed inside the second piston plate 84, the liquid flowing groove 85 is communicated with the long groove 86, a sealing sliding plate 87 is further slidably connected inside the second piston plate 84, the sealing sliding plate 87 is used for sealing the liquid flowing groove 85, the lower end of the sealing sliding plate 87 is further provided with an abutting block 88, and the abutting block 88 is used for abutting against the inner wall of the strip groove 86.
In this embodiment:
automatic drainage, increase water pressure: by slidably connecting the sliding rod 81 inside the piston chamber 10 and slidably connecting the inclined plate 35 on one side of the first piston plate 31 inside the adjusting square groove 83, according to embodiment 2, the first piston plate 31 can slide back and forth, and further the first piston plate 31 drives the inclined plate 35 to continuously abut against the bottom of the adjusting square groove 83, so that the inclined plate 35 continuously presses the sliding rod 81 downwards to slide downwards, and further the sliding rod 81 slides to drive the second piston plate 84 to slide downwards, and the second piston plate 84 pumps liquid from the water inlet 9 into the piston chamber 10, when the second piston plate 84 slides downwards, as shown in fig. 6, the sealing slide plate 87 inside the second piston plate 84 is pushed upwards by the liquid at the lower end of the second piston plate 84, and further the sealing slide plate 87 seals the liquid flow groove 85, so that the second piston plate 84 becomes a sealed object, liquid can be normally extracted from the water inlet 9, and when the second piston plate 84 slides downwards, the liquid at the lower end of the second piston plate 84 can be extruded, so that the liquid in the piston cavity 10 is pressurized by using the second piston plate 84, the liquid can be conveniently flushed out of the piston cavity 10, the frequency of the liquid impacting the bottom of the valve core sleeve 17 is improved, and impurities attached to the bottom of the valve core sleeve 17 can be better cleaned by the high-pressure liquid;
ensuring circulation: according to fig. 6, by installing the shaft rod 41 on the second piston plate 84, when the second piston plate 84 slides downwards, the shaft rod 41 is pulled to slide downwards by the second piston plate 84, when the pull plate 42 on the shaft rod 41 abuts against the sealing block 44, the sealing block 44 is pulled by the pull plate 42 to seal the inside of the water inlet 9, so that the piston chamber 10 is in a sealed state, the second piston plate 84 continues to slide downwards to complete the action of squeezing the liquid, when the bevel plate 35 does not abut against the bottom of the T-shaped sleeve 53, the sliding rod 81 continues to be reset by the adjusting square groove 83, at this time, since the piston chamber 10 is still in a sealed state, when the second piston plate 84 slides upwards, the sealing slide plate 87 inside the long groove 86 slides downwards, the contact block 88 abuts against the inner wall of the long groove 86, so that the sealing slide plate 87 cannot seal the lower end of the liquid flow groove 85, the liquid above the second piston plate 84 flows through the gap between the sealing slide plate 87 and the long groove 86, therefore, the liquid pumped by the second piston plate 84 smoothly enters the interior of the piston cavity 10, and the push plate 43 on the shaft rod 41 pushes the sealing block 44 to move out from the water inlet 9 along with the continuous rising of the second piston plate 84, so as to ensure the next circulation.
Example 4
The embodiment is an improvement made on the basis of embodiment 3, as shown in fig. 1 to 8, a sealing device 4 is further slidably connected to the valve plate 1, the sealing device 4 is used for sealing the water inlet 9, the sealing device 4 includes a shaft rod 41 mounted on the second piston plate 84, a pull plate 42 and a push plate 43 are sequentially mounted on the shaft rod 41, a sealing block 44 for sealing the water inlet 9 is further mounted on the valve plate 1, the pull plate 42 and the push plate 43 are used for adjusting the position of the sealing block 44, the sealing block 44 is connected to the valve plate 1 through an elastic sheet 45, spring beads 46 are mounted on both sides of the sealing block 44, a clamping groove 14 is further disposed in the valve plate 1, the spring beads 46 are used for being clamped in the clamping groove 14, a cleaning member 5 is slidably connected to the lower end of the valve plate 1, the cleaning member 5 is used for scraping the bottom wall of the piston member 3, the cleaning member 5 includes an L-shaped plate 51 mounted on the transmission plate 65, an extrusion block 52 is installed on one side of a cylinder 61, a T-shaped sleeve 53 is connected to the inside of the adjusting cavity 12 in a sliding mode, the T-shaped sleeve 53 is connected to the inside of the valve plate 1 through a fifth spring 54, the extrusion block 52 is used for being abutted to the T-shaped sleeve 53, a scraper 55 is connected to the inside of the T-shaped sleeve 53 in a rotating mode, the scraper 55 is connected to the inside of the T-shaped sleeve 53 through a torque spring 60, the scraper 55 is used for scraping the bottom wall of the piston component 3, a welding block 56 is fixedly installed inside the T-shaped sleeve 53, a trapezoidal plate 57 is connected to the inside of the T-shaped sleeve 53 in a sliding mode, a pressing block 59 is installed at the lower end of the trapezoidal plate 57, the pressing block 59 is abutted to the outer surface of the scraper 55, a stress block 58 is installed at the upper end of the trapezoidal plate 57, and the extrusion block 52 is used for abutting against the stress block 58.
In this embodiment:
unidirectional scraping and rubbing: when the transmission plate 65 continuously slides downwards, as shown in fig. 7, the second spring 62 mounted at the lower end of the transmission plate 65 also abuts against the T-shaped sleeve 53, so that the T-shaped sleeve 53 slides rightwards through the abutment of the second spring 62, and the T-shaped sleeve 53 drives the scraper 55 mounted at the lower end to scrape the bottom of the valve core sleeve 17, thereby realizing the treatment of stubborn impurities and ensuring the cleanness of cleaning;
bidirectional rubbing: in order to ensure that the scraper 55 can be rotatably accommodated in the T-shaped sleeve 53, so that the scraper 55 can only rotate in one direction, after the T-shaped sleeve 53 drives the scraper 55 to move rightwards to wipe the bottom of the valve core sleeve 17, the T-shaped sleeve 53 is reset through the fifth spring 54, and as the scraper 55 slides leftwards, and is subjected to force, the scraper 55 can only cut off in one direction, in order to improve the working efficiency of the scraper 55, the pressing block 59 and the trapezoidal plate 57 are slidably connected to the upper end of the scraper 55, when the extrusion block 52 is extruded downwards, the stressed block 58 on the trapezoidal plate 57 is abutted against the extrusion block 52, so that the stressed block 58 pushes the trapezoidal plate 57 to slide downwards, the trapezoidal plate 57 drives the pressing block 59 to abut against the scraper 55, so that the scraper 55 cannot rotate, so that the scraper 55 can cut off in two directions, and then, when the extrusion block 52 continues to extrude the stressed block 58, the force receiving block 58 pushes the T-shaped sleeve 53 to slide to the right, thereby pressing the T-shaped sleeve 53 instead of the pressing block 52.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a one-way fine-tuning hydraulically controlled throttling arrangement, includes valve core cover (17) and valve plate (1) of sliding connection in valve core cover (17), pneumatic cylinder (16) of connecting through link (13) on valve plate (1), still be provided with circulation hole (7) of circulation medium on valve plate (1), its characterized in that: the valve plate (1) is further provided with a water inlet (9) for shunting liquid, a piston cavity (10) for storing liquid is further arranged in the valve plate (1), the piston cavity (10), the water inlet (9) and the circulation hole (7) are communicated, the valve plate (1) is further provided with a liquid outlet device (2), the liquid outlet device (2) is used for controlling the amount of the liquid sprayed from the piston cavity (10) to the interior of the piston part (3), and the valve plate (1) is further provided with a flow guide groove (11) for guiding the direction of the liquid;
go out liquid device (2) including setting up convex groove (21) in valve plate (1), guiding gutter (11), convex groove (21) and piston chamber (10) are linked together, the inside of valve plate (1) is sliding connection still has barrier plate (23) that is used for blockking up convex groove (21), barrier plate (23) are connected through first spring (22) with convex groove (21), it has controlling means (6) to go back sliding connection in valve plate (1), controlling means (6) are used for water conservancy diversion liquid flow to water inlet (9) department.
2. The one-way fine-tuning pilot-controlled throttling device according to claim 1, wherein: the inside of valve plate (1) still is provided with adjusts chamber (12), controlling means (6) sliding connection is in the inside of adjusting chamber (12), controlling means (6) are including sliding connection adjusting plate (63) of adjusting chamber (12) inside, be provided with circulation square groove (64) of circulation liquid on adjusting plate (63), install cylinder (61) on adjusting plate (63), cylinder (61) are connected with valve plate (1) through second spring (62), cylinder (61) run through valve plate (1), still install limiting plate (15) on pneumatic cylinder (16), cylinder (61) are used for contradicting limiting plate (15).
3. The one-way fine-tuning pilot-controlled throttling device according to claim 2, wherein: the valve plate (1) is also connected with a piston part (3), the piston part (3) is connected in the guide groove (11) in a sliding way, the piston component (3) is used for extruding liquid between the valve core sleeve (17) and the valve plate (1), the piston component (3) comprises a first piston plate (31), the first piston plate (31) is connected with the inner part of the diversion trench (11) in a sliding way, the first piston plate (31) is connected to the valve plate (1) via a third spring (32), the first piston plate (31) is also provided with a supporting sliding plate (33), the supporting sliding plate (33) penetrates through the valve plate (1) and is connected inside the adjusting cavity (12) in a sliding manner, a limit groove (34) is arranged on the supporting sliding plate (33), a transmission plate (65) is arranged on the adjusting plate (63), and the transmission plate (65) is provided with a trapezoidal strip (66) for extruding the inner wall of the limit groove (34).
4. A one-way fine-tuning pilot-controlled throttling device according to claim 3, wherein: the inside of piston chamber (10) is sliding connection still has drainage device (8), drainage device (8) are used for the extraction and discharge liquid, drainage device (8) include sliding connection at inside second piston plate (84) of piston chamber (10), set up circulation liquid's flow liquid groove (85) on second piston plate (84), still install slide bar (81) on second piston plate (84), slide bar (81) run through valve plate (1) and extend to the inside of guiding gutter (11), slide bar (81) are connected in the inside of valve plate (1) through fourth spring (82), still be provided with on slide bar (81) and adjust square groove (83), still install inclined plane board (35) on first piston plate (31), inclined plane board (35) are used for contradicting and adjust square groove (83).
5. The one-way fine-tuning pilot-controlled throttling device according to claim 4, wherein: the inside of second piston plate (84) still is provided with rectangular groove (86), flowing liquid groove (85) is linked together with rectangular groove (86), the inside of second piston plate (84) still sliding connection has sealed slide (87), sealed slide (87) are used for sealed flowing liquid groove (85), conflict piece (88) are still installed to the lower extreme of sealed slide (87), conflict piece (88) are used for contradicting on the inner wall of rectangular groove (86).
6. The one-way fine-tuning pilot-controlled throttling device according to claim 4, wherein: still sliding connection has sealing device (4) on valve plate (1), sealing device (4) are used for sealed water inlet (9), sealing device (4) are including installing axostylus axostyle (41) on second piston board (84), install arm-tie (42) and push pedal (43) on axostylus axostyle (41) in proper order, still install sealed piece (44) that are used for sealed water inlet (9) on valve plate (1), arm-tie (42) and push pedal (43) are used for adjusting the position of sealed piece (44), sealed piece (44) are connected on valve plate (1) through shell fragment (45), spring pearl (46) are all installed to the both sides of sealed piece (44), the inside of valve plate (1) still is provided with draw-in groove (14), spring pearl (46) are used for the inside of buckle in draw-in groove (14).
7. A one-way fine-tuning pilot-controlled throttling device according to claim 3, wherein: the lower end of the valve plate (1) is connected with a cleaning component (5) in a sliding way, the cleaning component (5) is used for scraping the bottom wall of the piston component (3), the cleaning component (5) comprises an L-shaped plate (51) arranged on a transmission plate (65), one side of the cylinder (61) is provided with an extrusion block (52), the interior of the adjusting cavity (12) is connected with a T-shaped sleeve (53) in a sliding way, the T-shaped sleeve (53) is connected to the inner part of the valve plate (1) through a fifth spring (54), the extrusion block (52) is used for being abutted against the T-shaped sleeve (53), a scraper (55) is rotatably connected inside the T-shaped sleeve (53), the scraper (55) is connected to the inside of the T-shaped sleeve (53) through a torque spring (60), the scraper (55) is used for scraping the bottom wall of the piston component (3), and a welding block (56) is fixedly arranged in the T-shaped sleeve (53).
8. A one-way fine-tuning pilot-controlled throttling device according to claim 7, wherein: the inside of T shape cover (53) is sliding connection still has trapezoidal plate (57), the lower extreme of trapezoidal plate (57) is installed and is pressed piece (59), press the surface at scraper (55) of contradicting in piece (59), atress piece (58) are installed to the upper end of trapezoidal plate (57), extrusion piece (52) are used for contradicting atress piece (58).
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| CN202110909426.9A CN113531136B (en) | 2021-08-09 | 2021-08-09 | One-way fine adjustment type hydraulic control throttling device |
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| CN202110909426.9A CN113531136B (en) | 2021-08-09 | 2021-08-09 | One-way fine adjustment type hydraulic control throttling device |
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| CN113531136A true CN113531136A (en) | 2021-10-22 |
| CN113531136B CN113531136B (en) | 2023-04-18 |
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| CN115183012A (en) * | 2022-09-14 | 2022-10-14 | 山东天成阀门制造有限公司 | Gate valve with good sealing performance |
| CN115929932A (en) * | 2023-01-06 | 2023-04-07 | 江苏巨正机械有限公司 | Electric gate valve with air-tight sealing structure |
| CN117685383A (en) * | 2024-02-04 | 2024-03-12 | 什邡慧丰采油机械有限责任公司 | 175MPa high pressure resistant flat valve capable of being opened and closed rapidly |
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| CN115929932A (en) * | 2023-01-06 | 2023-04-07 | 江苏巨正机械有限公司 | Electric gate valve with air-tight sealing structure |
| CN115929932B (en) * | 2023-01-06 | 2023-10-31 | 江苏巨正机械有限公司 | Electric gate valve with airtight structure |
| CN117685383A (en) * | 2024-02-04 | 2024-03-12 | 什邡慧丰采油机械有限责任公司 | 175MPa high pressure resistant flat valve capable of being opened and closed rapidly |
| CN117685383B (en) * | 2024-02-04 | 2024-04-09 | 什邡慧丰采油机械有限责任公司 | 175MPa high pressure resistant flat valve capable of being opened and closed rapidly |
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| Publication number | Publication date |
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| CN113531136B (en) | 2023-04-18 |
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