CN116146738A - Ball valve with adjustable sealing pair - Google Patents

Ball valve with adjustable sealing pair Download PDF

Info

Publication number
CN116146738A
CN116146738A CN202211658501.XA CN202211658501A CN116146738A CN 116146738 A CN116146738 A CN 116146738A CN 202211658501 A CN202211658501 A CN 202211658501A CN 116146738 A CN116146738 A CN 116146738A
Authority
CN
China
Prior art keywords
valve
rotating shaft
ball
ball valve
sealing pair
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.)
Pending
Application number
CN202211658501.XA
Other languages
Chinese (zh)
Inventor
滕慧琼
滕楠
李军辉
林虎
杨跃苗
周武
金慧超
黄添榜
钱益龙
孙敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaisitong Valve Co ltd
Original Assignee
Kaisitong Valve Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kaisitong Valve Co ltd filed Critical Kaisitong Valve Co ltd
Priority to CN202211658501.XA priority Critical patent/CN116146738A/en
Publication of CN116146738A publication Critical patent/CN116146738A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6423—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a translational movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • 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
    • F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
    • 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/10—Means for additional adjustment of the rate of flow

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention provides a ball valve with an adjustable sealing pair, which relates to the field of ball valves and comprises: a valve body; flanges are arranged on the left water inlet and the right water outlet of the valve body, the left water inlet of the valve body is connected with a filtering shell through the flanges, a manual cleaning part is arranged in the filtering shell, and the left water inlet and the right water outlet of the filtering shell are provided with flanges; a ball body is rotationally connected inside the valve body; according to the invention, through the arrangement of the flow adjusting part, the ball is not required to be rotated to adjust the flow, so that the accuracy of the ball valve in adjusting the flow is improved, and furthermore, through the arrangement of the manual cleaning part, the sundries on the filter screen plate can be cleaned without disassembling and cleaning, so that the filter screen plate is cleaned more simply and conveniently, the problems that the rotation amplitude of the ball is larger, the accuracy of the ball valve in adjusting the flow is reduced when the existing ball valve is rotated and adjusted, and the cleaning is required to be disassembled and performed when the blockage on the filter screen on the ball valve is cleaned are solved, so that the problem of excessively trouble is solved.

Description

Ball valve with adjustable sealing pair
Technical Field
The invention relates to the technical field of ball valves, in particular to a ball valve with an adjustable sealing pair.
Background
The ball valve is an opening and closing piece, is a valve which drives a ball body by a valve rod and rotates around the axis of the ball valve, a ball valve sealing pair consists of a valve seat, the ball body and the valve rod, the flow in a pipeline can be adjusted by rotating the valve rod with the ball body, but when the ball valve is rotated and adjusted, the valve rod is large in amplitude with the ball body, so that the accuracy of the ball valve in adjusting the flow is reduced, and furthermore, the filter screen structure is arranged on part of the ball valve, so that sundries in water can be filtered, but in the long-time use process, the filter screen on the ball valve is blocked by the sundries easily, and the cleaning is required to be disassembled when the ball valve is blocked, so that the ball valve is excessively troublesome.
Disclosure of Invention
In view of the above, the invention provides a ball valve with an adjustable sealing pair, which solves the problems that when the existing ball valve is rotated and adjusted, the rotation amplitude of a ball body is larger, so that the accuracy of the ball valve in adjusting flow is reduced, and moreover, although a part of the ball valve is provided with a filter screen structure, impurities in water can be filtered, in the long-time use process, the filter screen on the ball valve is easily blocked by the impurities, and the ball valve needs to be disassembled and cleaned in the blockage clearing process, so that the problem is excessively troublesome.
The invention provides a ball valve with an adjustable sealing pair, which specifically comprises: a valve body; flanges are arranged on the left water inlet and the right water outlet of the valve body, the left water inlet of the valve body is connected with a filtering shell through the flanges, a manual cleaning part is arranged in the filtering shell, and the left water inlet and the right water outlet of the filtering shell are provided with flanges; the inside of the valve body is rotationally connected with a ball body, the upper end of the ball body is provided with a lengthening column, and flow adjusting parts are arranged in the ball body and the lengthening column; the center part of the bottom end surface of the sphere and the center part of the upper end surface of the extension column are respectively provided with a rotating shaft, and the upper end of the rotating shaft at the upper part is provided with a hexagonal valve rod.
Further, an upper rotary drum and a lower rotary drum are respectively arranged at the upper end and the lower end of the valve body, a sealing bearing is arranged in each of the upper rotary drum and the lower rotary drum, and inner rings of the two sealing bearings are fixedly connected with the peripheral surfaces of the two rotating shafts respectively; two valve seats are symmetrically arranged inside the valve body, the two valve seats are respectively positioned at the left side and the right side of the ball body, and the two valve seats are in spherical contact with the ball body.
Furthermore, an access hole is formed in the lower portion of the front end face of the filtering shell, and a sealing baffle is connected to the front side of the access hole through bolts; the lower end of the inner part of the filtering shell is provided with a frame-shaped sliding rail, and the front end surface of the frame-shaped sliding rail is provided with a strip-shaped through hole; the filter screen plate is connected to the inner side of the frame-shaped sliding rail in a sliding manner, the fixed support plate is installed at the upper end of the inner side of the frame-shaped sliding rail, and the middle part of the left end face of the fixed support plate is provided with a thread cylinder.
Further, a fastening screw is connected with the inside of the threaded cylinder through threads, and the right end of the fastening screw penetrates through the fixing support plate; limiting holes are formed in the upper portion of the left end face of the filter screen plate.
Further, when the filter screen plate is mounted on the inner side of the frame-shaped sliding rail, the right end of the fastening screw is inserted into a limiting hole formed in the filter screen plate.
Further, rectangular sliding grooves are formed in the ball body and the lengthened column; threaded through holes are formed in the center of the upper end face of the six-edge valve rod and the center of the upper end face of the rotating shaft at the upper part, and the two threaded through holes are located on the same axis.
Further, the flow adjusting part comprises a flow adjusting baffle and an adjusting screw, the flow adjusting baffle is connected inside the rectangular chute in a sliding manner, and the height of the flow adjusting baffle is one half of the height inside the rectangular chute; the middle part of the upper end surface of the flow regulating baffle is rotationally connected with an adjusting screw, and a threaded through hole on the six-edge valve rod and a threaded through hole on a rotating shaft at the upper part are in threaded connection with the adjusting screw.
Further, the manual cleaning part comprises a cleaning brush, a driving disc, a connecting rod and a manual rotating shaft, wherein the front end and the rear end of the cleaning brush are both in sliding connection with a vertical sliding rod, and the two vertical sliding rods are fixedly connected to the left side of the frame-shaped sliding rail; the center part of the right end surface of the driving disc is fixedly connected with a transverse rotating shaft, the transverse rotating shaft is rotatably connected inside the filtering shell, and the right end of the transverse rotating shaft is provided with a first bevel gear; the manual rotating shaft is rotatably connected to the upper end inside the filtering shell, the manual rotating shaft penetrates through the top end face of the filtering shell, a rotating hand wheel is arranged at the upper end of the manual rotating shaft, a second bevel gear is arranged at the lower end of the manual rotating shaft, and the second bevel gear is meshed with the first bevel gear; the edge of the left end face of the driving disc is rotationally connected with a connecting rod through a rotating shaft, and the other end of the connecting rod is rotationally connected with the left end face of the cleaning brush through the rotating shaft.
Further, when the driving disc is in a rotating state, the driving disc carries the upper end of the connecting rod to carry out rotating motion, and the other end of the connecting rod carries the cleaning brush to reciprocate up and down.
Further, when the adjusting screw is in a rotating state, the adjusting screw drives the flow adjusting baffle to move up and down.
Advantageous effects
1. According to the ball valve, through the arrangement of the flow adjusting part, when the flow of water passing through the ball valve needs to be adjusted, the upper end of the adjusting screw can be manually rotated, so that the adjusting screw slowly moves downwards with the flow adjusting baffle under the action of threads, the flow caliber of the through hole on the ball body is accurately adjusted, the ball body does not need to be rotated to adjust the flow, and the accuracy of the ball valve in adjusting the flow is improved.
2. According to the invention, through the arrangement of the manual cleaning part, when the blockage filtered by the filter screen plate needs to be cleaned, the manual rotating shaft can be manually rotated, then the second bevel gear drives the first bevel gear and the driving disc to rotate, the driving disc drives the upper end of the connecting rod to rotate, and then the other end of the connecting rod drives the cleaning brush to reciprocate up and down, so that the sundries attached to the left end face of the filter screen plate can be cleaned, and the whole cleaning process is unnecessary to detach and clean, so that the filter screen plate cleaning device is simpler and more convenient, has a simple structure, low cost and strong practicability.
3. According to the ball valve, through the arrangement of the access hole and the sealing baffle, when the internal structure of the filter shell needs to be overhauled, the bolts connected between the sealing baffle and the access hole can be detached through the tool, then the sealing baffle is detached, and finally the interior of the filter shell is overhauled through the access hole, so that the convenience of the ball valve in maintenance is greatly improved.
4. Through being equipped with a screw section of thick bamboo with fixed extension board left end face middle part, and screw section of thick bamboo is inside to have a fastening screw through threaded connection, can be inside to filter screen plate slidable mounting to frame shape slide rail after, with fastening screw threaded connection to screw section of thick bamboo inside, then the spacing downthehole of seting up on the filter screen plate is pegged graft to rethread fastening screw right-hand member to make the filter screen plate can obtain effectual spacing effect inside frame shape slide rail.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic overall structure of an embodiment of the present invention.
FIG. 2 is a schematic view of the structure of an embodiment of the present invention with the purge port and sealing barrier disassembled.
FIG. 3 is a schematic illustration of a six-sided valve stem, flow regulator and ball configuration in accordance with an embodiment of the present invention.
FIG. 4 is a schematic view of a partial cross-sectional configuration of a six-sided valve stem and ball according to an embodiment of the invention.
Fig. 5 is a schematic view of a partially cut-away structure of a sphere according to an embodiment of the invention.
Fig. 6 is a schematic view of a partial cross-sectional structure of a filter housing according to an embodiment of the invention.
Fig. 7 is a schematic diagram of a frame-shaped sliding rail and a filter screen plate according to an embodiment of the present invention after being detached.
Fig. 8 is a schematic view of a manual cleaning portion structure according to an embodiment of the present invention.
List of reference numerals
1. A valve body; 101. an upper drum; 102. a lower drum; 103. a valve seat; 104. sealing the bearing; 2. a filter housing; 201. an access opening; 202. a sealing baffle; 203. a frame-shaped slide rail; 204. a thread cylinder; 205. a strip-shaped through opening; 206. a filter screen plate; 207. fixing the support plate; 3. a hexagonal valve rod; 4. a flow rate adjusting section; 401. a flow regulating baffle; 402. adjusting a screw; 6. a sphere; 601. adding a long column; 602. rectangular sliding grooves; 603. a rotating shaft; 7. a manual cleaning part; 701. cleaning a hairbrush; 702. a drive plate; 703. a connecting rod; 704. and (5) manually rotating the shaft.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Examples: please refer to fig. 1 to 8:
the invention provides a ball valve with an adjustable sealing pair, which comprises a valve body 1; flanges are arranged on the left water inlet and the right water outlet of the valve body 1, the left water inlet of the valve body 1 is connected with the filter shell 2 through the flanges, a manual cleaning part 7 is arranged in the filter shell 2, and the left water inlet and the right water outlet of the filter shell 2 are respectively provided with the flanges for connecting pipelines; the ball body 6 is rotationally connected in the valve body 1, the upper end of the ball body 6 is provided with the lengthening column 601, the flow regulating part 4 is arranged in the ball body 6 and the lengthening column 601, and the accuracy of the ball valve in flow regulation can be improved through the arrangement of the flow regulating part 4;
as shown in fig. 1, 2, 4 and 5, a rotating shaft 603 is arranged at the central part of the bottom end surface of the sphere 6 and the central part of the upper end surface of the extension column 601, a hexagonal valve rod 3 is arranged at the upper end of the rotating shaft 603 at the upper part, and a rotating hand wheel is arranged outside the hexagonal valve rod 3; the upper end and the lower end of the valve body 1 are respectively provided with an upper rotary drum 101 and a lower rotary drum 102, a sealing bearing 104 is arranged in each of the upper rotary drum 101 and the lower rotary drum 102, the inner rings of the two sealing bearings 104 are fixedly connected with the outer peripheral surfaces of the two rotating shafts 603 respectively, and the ball body 6 is more stable in rotation through the arrangement of the two sealing bearings 104; two valve seats 103 are symmetrically arranged inside the valve body 1, the two valve seats 103 are respectively positioned at the left side and the right side of the ball body 6, and the two valve seats 103 are in spherical contact with the ball body 6.
As shown in fig. 1, 2, 6 and 7, an access hole 201 is formed in the lower portion of the front end face of the filter housing 2, a sealing baffle 202 is connected to the front side of the access hole 201 through bolts, and the aperture size of a through hole on the ball 6 is shielded and adjusted through the arrangement of the sealing baffle 202; the lower end of the inside of the filter shell 2 is provided with a frame-shaped sliding rail 203, and the front end surface of the frame-shaped sliding rail 203 is provided with a strip-shaped through hole 205, so that the filter screen plate 206 can be conveniently installed and detached; the inner side of the frame-shaped sliding rail 203 is connected with a filter screen plate 206 in a sliding way, the upper end of the inner side of the frame-shaped sliding rail 203 is provided with a fixed support plate 207, the fixed support plate 207 is used for supporting a threaded cylinder 204, and the middle part of the left end surface of the fixed support plate 207 is provided with the threaded cylinder 204 for being connected with a fastening screw; a fastening screw is connected with the inside of the threaded cylinder 204 through threads, and the right end of the fastening screw penetrates through the fixing support plate 207; the upper part of the left end surface of the filter screen plate 206 is provided with a limiting hole, and the filter screen plate is used for being inserted with the right end of the fastening screw through the arrangement of the limiting hole; when the filter screen plate 206 is mounted on the inner side of the frame-shaped sliding rail 203, the right end of the fastening screw is inserted into the limiting hole formed in the filter screen plate 206, so that the filter screen plate 206 can be effectively limited in the frame-shaped sliding rail 203.
As shown in fig. 3 to 5, a rectangular chute 602 is formed in the ball 6 and in the elongated column 601; the center parts of the upper end face of the six-edge valve rod 3 and the upper end face of the upper rotating shaft 603 are provided with threaded through holes, the two threaded through holes are positioned on the same axis, and the threaded through holes are used for being connected with the adjusting screw 402.
As shown in fig. 3 and 4, the flow rate adjusting part 4 includes a flow rate adjusting plate 401 and an adjusting screw 402, the flow rate adjusting plate 401 is slidably connected inside the rectangular chute 602, and the height of the flow rate adjusting plate 401 is half of the height inside the rectangular chute 602, so that the through hole on the adjusting sphere 6 can be completely opened when the flow rate adjusting plate 401 moves upwards; the middle part of the upper end surface of the flow regulating baffle 401 is rotationally connected with a regulating screw 402, a threaded through hole on the hexagonal valve rod 3 and a threaded through hole on a rotating shaft 603 at the upper part are both in threaded connection with the regulating screw 402, and the flow regulating part 4 is used for regulating the flow caliber of the through hole on the sphere 6;
when the adjusting screw 402 is in a rotating state, the adjusting screw 402 carries the flow adjusting plate 401 to move up and down, so that the flow caliber of the through hole on the ball body 6 is accurately adjusted.
As shown in fig. 2, 6 and 8, the manual cleaning part 7 comprises a cleaning brush 701, a driving disc 702, a connecting rod 703 and a manual rotating shaft 704, wherein the front end and the rear end of the cleaning brush 701 are both connected with a vertical sliding rod in a sliding manner, so that the cleaning brush 701 can be effectively guided when moving up and down, and the two vertical sliding rods are fixedly connected to the left side of the frame-shaped sliding rail 203; the center part of the right end surface of the driving disc 702 is fixedly connected with a transverse rotating shaft, the transverse rotating shaft is rotatably connected inside the filtering shell 2, and the right end of the transverse rotating shaft is provided with a first bevel gear; the manual rotating shaft 704 is rotatably connected to the upper end inside the filter housing 2, the manual rotating shaft 704 penetrates through the top end face of the filter housing 2, a rotating hand wheel is arranged at the upper end of the manual rotating shaft 704, a second bevel gear is arranged at the lower end of the manual rotating shaft 704, a rotating handle is rotatably connected to the edge of the upper end face of the rotating hand wheel, and the second bevel gear is meshed with the first bevel gear; the edge of the left end face of the driving disc 702 is rotationally connected with a connecting rod 703 through a rotating shaft, the other end of the connecting rod 703 is rotationally connected with the left end face of the cleaning brush 701 through the rotating shaft, through the arrangement of the manual cleaning part 7, when a plug filtered by the filter screen 206 needs to be cleaned, the manual rotating shaft 704 can be manually rotated, then the second bevel gear rotates with the first bevel gear and the driving disc, the driving disc 702 carries out rotary motion with the upper end of the connecting rod 703, and then the other end of the connecting rod 703 carries out up-and-down reciprocating motion with the cleaning brush 701, so that sundries attached to the left end face of the filter screen 206 can be cleaned, cleaning work can be completed without disassembling the ball valve, and convenience in cleaning the filter screen 206 is improved;
when the driving disc 702 is in a rotating state, the driving disc 702 carries the upper end of the connecting rod 703 to perform rotating motion, and the other end of the connecting rod 703 carries the cleaning brush 701 to reciprocate up and down, so that sundries attached to the left end face of the filter screen plate 206 can be cleaned.
In another embodiment, the transparent window is fixedly embedded in the front end surface of the sealing baffle 202, and through the arrangement of the transparent window, the inside condition of the filter shell 2 is observed more intuitively, so that the convenience of the ball valve in use is greatly improved,
specific use and action of the embodiment: in the invention, when in use, the left water inlet of the filter shell 2 is connected with a water pipe through a flange, then the right water outlet of the valve body 1 is connected with the water pipe through the flange, then water flow enters the filter shell 2 through the left water inlet of the filter shell 2, impurities in the water are filtered out under the filtering action of the filter screen 206 in the filter shell 2, then the water flow continues to flow rightwards, flows into the left valve seat 103 through the left water inlet of the valve body 1, flows into the right valve seat 103 through the through hole on the ball body 6, and finally flows out through the right water outlet of the valve body 1;
when the flow rate of the water passing through the ball valve needs to be regulated, the upper end of the regulating screw 402 can be manually rotated, so that the regulating screw 402 can slowly move downwards with the flow regulating baffle 401 under the action of threads, the flow caliber of the through hole on the ball 6 can be accurately regulated, the ball does not need to be rotated to regulate the flow rate, and the accuracy of the ball valve in regulating the flow rate is improved; when the ball valve needs to be closed, the six-edge valve rod 3 can be directly rotated manually, namely the six-edge valve rod 3 can be rotated with the upper rotating shaft 603, the lengthening column 601 and the ball 6, so that the closing operation can be rapidly completed;
when the plug filtered by the filter screen 206 needs to be cleaned, the manual rotating shaft 704 is manually rotated, then the second bevel gear drives the first bevel gear and the driving disc 702 to rotate, the driving disc 702 drives the upper end of the connecting rod 703 to rotate, and then the other end of the connecting rod 703 drives the cleaning brush 701 to reciprocate up and down, so that impurities attached to the left end face of the filter screen 206 are cleaned, and the cleaning process is not required to be disassembled, so that the filter screen 206 is cleaned more simply and conveniently, and the filter screen cleaning device is simple in structure, low in cost and high in practicability.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims (10)

1. A ball valve with an adjustable sealing pair, comprising: a valve body (1); flanges are arranged on the left water inlet and the right water outlet of the valve body (1), the left water inlet of the valve body (1) is connected with a filter shell (2) through the flanges, a manual cleaning part (7) is arranged inside the filter shell (2), and the flanges are arranged on the left water inlet and the right water outlet of the filter shell (2); the valve is characterized in that a ball body (6) is rotatably connected inside the valve body (1), an extension column (601) is arranged at the upper end of the ball body (6), and a flow regulating part (4) is arranged inside the ball body (6) and the extension column (601); the center part of the bottom end surface of the ball body (6) and the center part of the upper end surface of the lengthened column (601) are respectively provided with a rotating shaft (603), and the upper end of the rotating shaft (603) at the upper part is provided with a hexagonal valve rod (3).
2. A ball valve with an adjustable sealing pair as in claim 1, wherein: an upper rotary drum (101) and a lower rotary drum (102) are respectively arranged at the upper end and the lower end of the valve body (1), a sealing bearing (104) is arranged in each of the upper rotary drum (101) and the lower rotary drum (102), and the inner rings of the two sealing bearings (104) are fixedly connected with the peripheral surfaces of the two rotating shafts (603) respectively; two valve seats (103) are symmetrically arranged in the valve body (1), the two valve seats (103) are respectively positioned at the left side and the right side of the sphere (6), and the two valve seats (103) are in spherical contact with the sphere (6).
3. A ball valve with an adjustable sealing pair as in claim 1, wherein: an access hole (201) is formed in the lower portion of the front end face of the filtering shell (2), and a sealing baffle (202) is connected to the front side of the access hole (201) through bolts; a frame-shaped sliding rail (203) is arranged at the lower end inside the filtering shell (2), and a strip-shaped through hole (205) is formed in the front end surface of the frame-shaped sliding rail (203); the filter screen plate (206) is connected to the inner side of the frame-shaped sliding rail (203) in a sliding mode, the fixed support plate (207) is installed at the upper end of the inner side of the frame-shaped sliding rail (203), and the threaded cylinder (204) is arranged in the middle of the left end face of the fixed support plate (207).
4. A ball valve with an adjustable sealing pair as in claim 3 wherein: a fastening screw is connected to the inside of the threaded cylinder (204) through threads, and the right end of the fastening screw penetrates through the fixing support plate (207); limiting holes are formed in the upper portion of the left end face of the filter screen plate (206).
5. A ball valve with an adjustable sealing pair as in claim 4 wherein: when the filter screen plate (206) is mounted on the inner side of the frame-shaped sliding rail (203), the right end of the fastening screw is inserted into a limiting hole formed in the filter screen plate (206).
6. A ball valve with an adjustable sealing pair as in claim 1, wherein: rectangular sliding grooves (602) are formed in the ball body (6) and the lengthened column (601); threaded through holes are formed in the center of the upper end face of the six-edge valve rod (3) and the center of the upper end face of the rotating shaft (603) at the upper part, and the two threaded through holes are located on the same axis.
7. A ball valve with an adjustable sealing pair as in claim 6 wherein: the flow regulating part (4) comprises a flow regulating baffle plate (401) and a regulating screw rod (402), the flow regulating baffle plate (401) is slidably connected inside the rectangular chute (602), and the height of the flow regulating baffle plate (401) is half of the height inside the rectangular chute (602); the middle part of the upper end surface of the flow regulating baffle plate (401) is rotationally connected with an adjusting screw (402), and a threaded through hole on the six-edge valve rod (3) and a threaded through hole on a rotating shaft (603) at the upper part are in threaded connection with the adjusting screw (402).
8. A ball valve with an adjustable sealing pair as in claim 3 wherein: the manual cleaning part (7) comprises a cleaning hairbrush (701), a driving disc (702), a connecting rod (703) and a manual rotating shaft (704), wherein the front end and the rear end of the cleaning hairbrush (701) are both connected with a vertical sliding rod in a sliding manner, and the two vertical sliding rods are fixedly connected to the left side of the frame-shaped sliding rail (203); the center part of the right end surface of the driving disc (702) is fixedly connected with a transverse rotating shaft, the transverse rotating shaft is rotatably connected inside the filtering shell (2), and the right end of the transverse rotating shaft is provided with a first bevel gear; the manual rotating shaft (704) is rotatably connected to the upper end inside the filtering shell (2), the manual rotating shaft (704) penetrates through the top end face of the filtering shell (2), a rotating hand wheel is arranged at the upper end of the manual rotating shaft (704), a second bevel gear is arranged at the lower end of the manual rotating shaft (704), and the second bevel gear is meshed with the first bevel gear; the edge of the left end face of the driving disc (702) is rotationally connected with a connecting rod (703) through a rotating shaft, and the other end of the connecting rod (703) is rotationally connected with the left end face of the cleaning brush (701) through the rotating shaft.
9. A ball valve with an adjustable sealing pair as in claim 8, wherein: when the driving disc (702) is in a rotating state, the driving disc (702) carries the upper end of the connecting rod (703) to rotate, and the other end of the connecting rod (703) carries the cleaning brush (701) to reciprocate up and down.
10. A ball valve with an adjustable sealing pair as in claim 7 wherein: when the adjusting screw (402) is in a rotating state, the adjusting screw (402) moves up and down with the flow adjusting baffle plate (401).
CN202211658501.XA 2022-12-22 2022-12-22 Ball valve with adjustable sealing pair Pending CN116146738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211658501.XA CN116146738A (en) 2022-12-22 2022-12-22 Ball valve with adjustable sealing pair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211658501.XA CN116146738A (en) 2022-12-22 2022-12-22 Ball valve with adjustable sealing pair

Publications (1)

Publication Number Publication Date
CN116146738A true CN116146738A (en) 2023-05-23

Family

ID=86353527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211658501.XA Pending CN116146738A (en) 2022-12-22 2022-12-22 Ball valve with adjustable sealing pair

Country Status (1)

Country Link
CN (1) CN116146738A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117685386A (en) * 2024-02-04 2024-03-12 江苏兴逸阀门有限公司 Valve system capable of being remotely controlled

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117685386A (en) * 2024-02-04 2024-03-12 江苏兴逸阀门有限公司 Valve system capable of being remotely controlled
CN117685386B (en) * 2024-02-04 2024-04-26 江苏兴逸阀门有限公司 Valve system capable of being remotely controlled

Similar Documents

Publication Publication Date Title
CN116146738A (en) Ball valve with adjustable sealing pair
CN216200766U (en) Quick blowdown easily clears up strainer valve
CN112412370A (en) Well flushing valve
CN110848432A (en) Back pressure preventing protrusive pilot valve structure
CN114877086A (en) Forged steel stop valve for high-temperature and high-pressure delivery pipeline
CN208886072U (en) A kind of two-way butterfly valve with filtering function
CN218294603U (en) High-pressure non-return high-performance hydraulic valve
CN216843145U (en) Improved flange butterfly valve
CN213929600U (en) Ball valve with cleaning function
CN207814509U (en) A kind of open ball valve
CN114738498A (en) Sewage overflow butterfly valve capable of cleaning sealing gap by automatic power
CN208935469U (en) A kind of back-flushing filtering device
CN112728146A (en) Electric rotary regulating valve
CN209370516U (en) Stainless steel high platform ball valve
CN115585292B (en) Check valve for rotary vane vacuum pump
CN211449721U (en) Filtering ball valve with strong filtering performance
CN214305462U (en) Steam pressure reduction valve that leakproofness is good
CN219848279U (en) Spiral microbubble exhaust decontamination device
CN220070960U (en) Cooling water circulation filter
CN214367905U (en) Ball valve convenient to filter
CN219866289U (en) Filtering pressure reducing valve
CN212643593U (en) Corrosion-resistant gate valve
CN215673681U (en) Pressure regulating valve convenient to install
CN219102083U (en) Novel ball valve
CN211924935U (en) Positioning structure of valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination