CN111550579A - Three-way ball valve - Google Patents

Three-way ball valve Download PDF

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Publication number
CN111550579A
CN111550579A CN202010432615.7A CN202010432615A CN111550579A CN 111550579 A CN111550579 A CN 111550579A CN 202010432615 A CN202010432615 A CN 202010432615A CN 111550579 A CN111550579 A CN 111550579A
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CN
China
Prior art keywords
valve
shaped
valve body
valve rod
cylindrical
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Granted
Application number
CN202010432615.7A
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Chinese (zh)
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CN111550579B (en
Inventor
朱辉
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.)
Zhejiang Weiheng fluid equipment Co.,Ltd.
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Shanghai Heji Industrial Ltd
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Priority to CN202010432615.7A priority Critical patent/CN111550579B/en
Publication of CN111550579A publication Critical patent/CN111550579A/en
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Publication of CN111550579B publication Critical patent/CN111550579B/en
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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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
    • 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
    • F16K31/605—Handles for single handle mixing valves
    • 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
    • F16K5/0626—Easy mounting or dismounting means
    • 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
    • F16K5/0647—Spindles or actuating means
    • 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
    • F16K5/0663—Packings
    • F16K5/0689—Packings between housing and plug

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention belongs to the technical field of ball valves, and particularly relates to a three-way ball valve which comprises a fixed valve body, a spherical valve core and a movable valve body, wherein the inner wall of the fixed valve body is rotatably connected with the spherical valve core; the top of the spherical valve core is provided with a clamping groove; a cylindrical groove is formed in the bottom of the spherical valve core; a T-shaped through opening is formed in the spherical valve core; a first through opening is formed in the right side of the fixed valve body corresponding to the T-shaped through opening; through the mutually supporting of first threaded rod, a adjusting nut, the mounting groove, the elasticity unit that resets, cylindrical valve rod, square bayonet lock, elastic support unit, T shape valve rod, need not to pull down cylindrical valve rod and T shape valve rod and can follow the inside dismantlement of fixed valve body with spherical case, need not to dismantle T shape valve rod and cylindrical valve rod to the whole process of spherical case dismouting, reduced the dismouting procedure, made things convenient for the dismouting of staff to spherical case, reduced the work degree of difficulty.

Description

Three-way ball valve
Technical Field
The invention belongs to the technical field of ball valves, and particularly relates to a three-way ball valve.
Background
The three-way ball valve has a T shape and an L shape. The T shape can make three orthogonal pipelines mutually communicated and cut off a third channel, thereby playing the roles of shunting and converging. The L-shaped three-way ball valve type can only connect two mutually orthogonal pipelines, cannot simultaneously keep the mutual communication of a third pipeline, and only plays a role in distribution.
In the three-way ball valve, a space surrounded by an inner wall of a valve chamber of a valve body, an outer peripheral surface of a valve body, a first seal ring, and a second seal ring is used as a communication passage communicating with a third opening of the valve body, and a Cv value at a middle opening is improved without reducing the Cv value at a low opening or a high opening, as disclosed in chinese patent application No. 200910001490.6. Further, a first bypass passage and a second bypass passage are formed in the outer peripheral surface of the valve body to communicate the first opening and the second opening with the communication passage when the first port and the second port of the valve body are at the intermediate opening degree.
Three-way ball valve among the prior art is changing when maintaining the centre of sphere case of ball valve, just can take off spherical case after needing to dismantle the valve rod at both ends, then installs the valve rod to the end once more, and the dismouting is comparatively troublesome, has increased staff's the work degree of difficulty.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that when a ball core valve element of a ball valve is replaced and maintained, valve rods at two ends of a three-way ball valve in the prior art need to be disassembled, then the valve rods at the opposite ends are installed again, the disassembly and the assembly are troublesome, and the working difficulty of workers is increased.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a three-way ball valve which comprises a fixed valve body, a spherical valve core and a movable valve body, wherein the inner wall of the fixed valve body is rotatably connected with the spherical valve core; the top of the spherical valve core is provided with a clamping groove; a cylindrical groove is formed in the bottom of the spherical valve core; a T-shaped through opening is formed in the spherical valve core; a first through opening is formed in the right side of the fixed valve body corresponding to the T-shaped through opening; a first sealing seat is fixedly connected to the inner wall of the fixed valve body corresponding to the edge of the first port; a second through hole is formed in the front face of the fixed valve body corresponding to the T-shaped through hole; the edge of the mounting port on the left side of the fixed valve body is connected with a movable valve body through a bolt thread; a third through hole is formed in the left side of the movable valve body corresponding to the T-shaped through hole; a second sealing seat is fixedly connected to the edge of the inner wall of the movable valve body corresponding to the third port; the positions, corresponding to the two sides of the first through hole, of the top of the fixed valve body are fixedly connected with first threaded rods; the surfaces of the two first threaded rods are jointly connected with a T-shaped valve cover in a sliding manner; the upper surface of the first threaded rod is in threaded connection with a first adjusting nut; valve rod through openings are formed in the bottom of the T-shaped valve cover and the top of the fixed valve body; the inner walls of the two valve rod through openings are jointly provided with mounting grooves; the inner wall of the mounting groove is connected with a cylindrical valve rod through an elastic resetting unit; the bottom end of the cylindrical valve rod penetrates into the fixed valve body and is connected with a square bayonet lock; the square bayonet lock is connected to the inner wall of the clamping groove at the top of the spherical valve core in a sliding manner; the top of the cylindrical valve rod penetrates through the T-shaped valve cover; the bottom of the fixed valve body is connected with a T-shaped valve rod through an elastic supporting unit; the cylindrical connecting end of the T-shaped valve rod penetrates into the fixed valve body and is connected to the inner wall of the cylindrical groove in a sliding mode; when the valve core is in work, the spherical valve core is rotated through the cylindrical valve rod, so that the T-shaped port in the spherical valve core body can change the communication direction, the first port, the second port and the third port are communicated, the second port is communicated with the first port, the first port is communicated with the third port, and the third port is communicated with the second port, through arranging the first sealing seat and the second sealing seat, the sealing effect is achieved, the problem that water in the T-shaped port flows into the fixed valve body and cannot flow to a specified port is avoided, when the spherical valve core needs to be replaced, the bolt is screwed off, the movable valve body is taken down, the mounting port is opened, then the first adjusting nut is screwed, the first adjusting nut moves upwards, a space for the T-shaped indwelling valve cover to move on the surface of the first threaded rod is reserved, under the resetting effect of the elastic resetting unit, the T-shaped valve cover and the cylindrical valve rod are pushed to move upwards synchronously, make square bayonet lock automatic break away from spherical case top joint groove, need not to pull down cylindrical valve rod, then stir T shape valve rod downwards, make T shape valve rod overcome elastic support unit elastic support, thereby make the cylindrical link that the valve rod was kept away from to T shape break away from the cylindrical groove of spherical case bottom, need not to keep away from the valve rod with T shape and pull down, during the installation, plug-in T shape valve rod to spherical case on the surface, then twist and move first adjusting nut, promote T shape valve gap and cylindrical valve rod and reset, thereby realize being connected in square bayonet lock and joint groove, then seal up movable valve body can, whole process to spherical case dismouting need not to dismantle T shape valve rod and cylindrical valve rod, the dismouting procedure has been reduced, the dismouting of staff to spherical case has been made things convenient for, the work degree of difficulty has been reduced.
Preferably, the top of the cylindrical valve rod is fixedly connected with a square strip-shaped clamping plate; the surface of the square strip-shaped clamping plate is connected with a spanner in a sliding manner; the top of the square strip-shaped clamping and connecting plate is connected with a second threaded rod; the surface of the second threaded rod is in threaded connection with a second adjusting nut; the during operation, through manual rotatory spanner, the spanner drives cylindrical valve rod rotation through square strip joint board, thereby reach the effect of the internal T shape opening intercommunication direction of adjustment spherical valve core, through second threaded rod and second adjusting nut threaded connection, the effect of spacing the spanner on square strip joint board surface has been played, and when the spanner needs the space that has the rebound, can twist and move second adjusting nut, make second adjusting nut can move up certain space under the external screw thread effect of second threaded rod, provide the space of rebound for the spanner.
Preferably, the bottom of the wrench is fixedly connected with a limit pin; four limiting grooves are formed in the edge of the top of the T-shaped valve cover in an equidistant surrounding mode corresponding to the positions where the limiting pins rotate; the surface of the limiting pin is connected to the inner wall of the limiting groove in a sliding manner; the during operation through the connection of spacer pin and spacing groove, has played and has carried out spacing effect with the rotatory position of spanner, prevents that the spanner from rotating under the effect of external force, when needing to cancel spacingly, can adjust through second adjusting nut, reserves ascending space for the spanner, then makes spanner rebound drive spacer pin break away from, can continue rotatory spanner, has made things convenient for the use of staff to the spanner.
Preferably, two connecting circular plates are slidably connected to the surface of the square strip-shaped clamping plate and located between the wrench and the T-shaped valve cover; a second return spring is fixedly connected between the two connecting circular plates; the second reset spring is sleeved on the surface of the square strip-shaped clamping and connecting plate; during operation, when adjusting through second adjusting nut, when reserving ascending space for the spanner, second reset spring's elasticity restoring force can promote the spanner rebound, has played the automation and has reset the spanner to the effect of the highest position that rises, need not manual control.
Preferably, the elastic reset unit comprises an annular slider; the inner wall of the annular sliding block is fixedly connected to the surface of the cylindrical valve rod, and the surface of the annular sliding block is connected to the inner wall of the mounting groove in a sliding mode; the bottom of the annular sliding block is fixedly connected with a first return spring; the first return spring is in a compressed state; the first return spring is sleeved on the surface of the cylindrical valve rod; during operation, annular slider is with cylindrical valve rod sliding connection on the mounting groove inner wall, make cylindrical valve rod restricted in the space of mounting groove, can not break away from fixed valve body, first reset spring has played the effect that resets, produce the effort that resets to annular slider all the time, twist and move first adjusting nut, first adjusting nut rebound, keep somewhere the certain space that moves on first threaded rod surface for T shape valve gap, under first reset spring's reset action, promote the synchronous rebound of T shape valve gap and cylindrical valve rod, make square bayonet lock automatic break away from spherical valve core top joint groove, need not to pull down the joint that cylindrical valve rod just can cancel square bayonet lock to spherical valve core.
Preferably, the elastic support unit includes two connection pins; the two connecting pins are symmetrically arranged at the bottom of the fixed valve body; the two connecting pins penetrate into the connecting grooves at two ends of the T-shaped valve rod respectively and are connected with limiting blocks; the surface of the connecting pin is sleeved with a supporting spring; two ends of the supporting spring are respectively and fixedly connected to the top of the limiting block and the inner walls of the connecting grooves at the two ends; the during operation, under supporting spring's the support that resets, T shape valve rod is supported by supporting spring elastic support for the cylindrical link of T shape valve rod is connected with the cylindrical groove of spherical case bottom all the time, and when the cylindrical link of needs T shape valve rod breaks away from cylindrical groove, the elastic support power that supporting spring was overcome to the pulling T shape valve rod can, need not to pull down T shape valve rod, makes T shape valve rod connect the bottom at fixed valve body all the time, makes things convenient for the installation of spherical case next time.
Preferably, the bottom of the movable valve body is fixedly connected with a positioning pin; a positioning groove is formed in the left side of the T-shaped valve rod corresponding to the positioning pin; the surface of the positioning pin is connected to the inner wall of the positioning groove in a sliding manner; during operation, when installation activity valve body, the locating pin can be simultaneously pegged graft to the constant head tank inner wall on to reach the spacing effect of T shape valve rod, prevent the problem emergence of careless pulling T shape valve rod, can prevent effectively that exogenic action from keeping the stability of T shape valve rod during operation.
Preferably, one side of the T-shaped valve rod, which is far away from the positioning pin, is fixedly connected with a toggle plate, and the top of the toggle plate is provided with anti-skid grains; when the T-shaped valve rod pulling device works, an attachment point which can be pulled by hands is provided, and convenience is provided for workers to pull the T-shaped valve rod.
The invention has the following beneficial effects:
1. according to the three-way ball valve, the first threaded rod, the first adjusting nut, the mounting groove, the elastic reset unit, the cylindrical valve rod, the square bayonet lock, the elastic support unit and the T-shaped valve rod are matched with one another, so that the spherical valve core can be disassembled from the inside of the fixed valve body without disassembling the cylindrical valve rod and the T-shaped valve rod, the T-shaped valve rod and the cylindrical valve rod are not required to be disassembled in the whole process of disassembling and assembling the spherical valve core, the disassembling and assembling procedures are reduced, the disassembly and assembly of the spherical valve core by workers are facilitated, and the working difficulty is reduced.
2. According to the three-way ball valve, the second threaded rod, the second adjusting nut, the limiting pin, the limiting groove, the connecting circular plate and the second return spring are matched with each other, when an upward space is reserved for the wrench through adjustment of the second adjusting nut, the elastic return force of the second return spring can push the wrench to move upwards, the effect of automatically returning the wrench to the highest lifting position is achieved, the limiting pin is driven to be separated from the limiting groove, limiting is cancelled, and the wrench can be conveniently used by a worker.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a structural cross-sectional view in elevation of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is a structural cross-sectional view of a top view of the present invention;
FIG. 5 is a perspective view of the present invention, partially in section;
FIG. 6 is a perspective view of the cylindrical valve stem of the present invention in connection with a resilient return unit;
in the figure: the valve comprises a fixed valve body 1, a first through hole 101, a first sealing seat 102, a second through hole 103, a spherical valve core 2, a clamping groove 201, a cylindrical groove 202, a T-shaped through hole 203, a movable valve body 3, a third through hole 301, a second sealing seat 302, a first threaded rod 4, a first adjusting nut 401, a T-shaped valve cover 5, a mounting groove 6, an elastic reset unit 7, an annular sliding block 701, a first reset spring 702, a cylindrical valve rod 8, a square clamping pin 801, an elastic supporting unit 9, a connecting pin 901, a limiting block 902, a supporting spring 903, a T-shaped valve rod 10, a square clamping plate 11, a wrench 12, a second threaded rod 13, a second adjusting nut 1301, a limiting pin 14, a limiting groove 15, a connecting circular plate 16, a second reset spring 17, a positioning pin 18, a positioning groove 19 and a toggling plate 20.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the three-way ball valve of the present invention comprises a fixed valve body 1, a spherical valve core 2 and a movable valve body 3, wherein the inner wall of the fixed valve body 1 is rotatably connected with the spherical valve core 2; the top of the spherical valve core 2 is provided with a clamping groove 201; a cylindrical groove 202 is formed in the bottom of the spherical valve core 2; a T-shaped through port 203 is formed in the spherical valve core 2; a first through hole 101 is formed in the right side of the fixed valve body 1 corresponding to the T-shaped through hole 203; a first sealing seat 102 is fixedly connected to the inner wall of the fixed valve body 1 corresponding to the edge of the first port 101; a second through hole 103 is formed in the front surface of the fixed valve body 1 corresponding to the T-shaped through hole 203; the edge of the mounting opening at the left side of the fixed valve body 1 is connected with a movable valve body 3 through bolt threads; a third through hole 301 is formed in the position, corresponding to the T-shaped through hole 203, on the left side of the movable valve body 3; a second sealing seat 302 is fixedly connected to the edge of the inner wall of the movable valve body 3 corresponding to the third through hole 301; the positions, corresponding to the two sides of the first through hole 102, of the top of the fixed valve body 1 are fixedly connected with first threaded rods 4; the surfaces of the two first threaded rods 4 are jointly connected with a T-shaped valve cover 5 in a sliding manner; the upper surface of the first threaded rod 4 is in threaded connection with a first adjusting nut 401; the bottom of the T-shaped valve cover 5 and the top of the fixed valve body 1 are both provided with valve rod through holes; the inner walls of the two valve rod through openings are jointly provided with an installation groove 6; the inner wall of the mounting groove 6 is connected with a cylindrical valve rod 8 through an elastic reset unit 7; the bottom end of the cylindrical valve rod 8 penetrates into the fixed valve body 1 and is connected with a square bayonet 801; the square bayonet 801 is connected to the inner wall of the clamping groove 201 at the top of the spherical valve core 2 in a sliding manner; the top of the cylindrical valve rod 8 penetrates through the T-shaped valve cover 5; the bottom of the fixed valve body 1 is connected with a T-shaped valve rod 10 through an elastic supporting unit 9; the cylindrical connecting end of the T-shaped valve rod 10 penetrates into the fixed valve body 1 and is connected to the inner wall of the cylindrical groove 202 in a sliding manner; when the valve works, the spherical valve core 2 is rotated through the cylindrical valve rod 8, so that the T-shaped port 203 in the spherical valve core 2 can change the communication direction, the first port 101, the second port 103 and the third port 301 are communicated, the second port 103 is communicated with the first port 101, the first port 101 is communicated with the third port 301, and the third port 301 is communicated with the second port 103, through arranging the first sealing seat 102 and the second sealing seat 302, the sealing effect is achieved, the problem that water in the T-shaped port 203 flows into the fixed valve body 1 and cannot flow to a specified port is avoided, when the spherical valve core 2 needs to be replaced, the bolt is unscrewed, the movable valve body 3 is taken down, the mounting port is opened, then the first adjusting nut 401 is screwed, the first adjusting nut 401 moves upwards, a space which must move on the surface of the first threaded rod 4 is reserved for the T-shaped valve cover 5, under the reset action of the elastic reset unit 7, the T-shaped valve cover 5 and the cylindrical valve rod 8 are pushed to synchronously move upwards, so that the square bayonet pin 801 is automatically separated from the clamping groove 201 at the top of the spherical valve core 2, the cylindrical valve rod 8 does not need to be detached, then the T-shaped valve rod 10 is pulled downwards, the T-shaped valve rod 10 overcomes the elastic support of the elastic support unit 9 to be supported, so that the cylindrical connecting end of the T-shaped valve rod 10 is separated from the cylindrical groove 202 at the bottom of the spherical valve core 2, the T-shaped valve rod 10 does not need to be detached, the spherical valve core 2 is inserted onto the surface of the T-shaped valve rod 10 during installation, then the first adjusting nut 401 is screwed, the T-shaped valve cover 5 and the cylindrical valve rod 8 are pushed to reset, the connection between the square bayonet pin 801 and the clamping groove 201 is realized, then the movable valve body 3 is sealed, and the T-shaped valve rod, the disassembly and assembly procedures are reduced, the disassembly and assembly of the spherical valve core 2 by workers are facilitated, and the working difficulty is reduced.
As an embodiment of the present invention, a square strip-shaped snap plate 11 is fixedly connected to the top of the cylindrical valve rod 8; the surface of the square strip-shaped clamping and connecting plate 11 is connected with a wrench 12 in a sliding manner; the top of the square strip-shaped clamping and connecting plate 11 is connected with a second threaded rod 13; a second adjusting nut 1301 is connected to the surface of the second threaded rod 13 in a threaded manner; during operation, through manual rotatory spanner 12, spanner 12 drives cylindrical valve rod 8 rotatoryly through square strip joint board 11, thereby reach the effect of the internal T shape opening 203 intercommunication direction of adjustment spherical case 2, through second threaded rod 13 and second adjusting nut 1301 threaded connection, it is spacing at square strip joint board 11 effect on the surface to have played spanner 12, and when spanner 12 need have the space of rebound, can twist second adjusting nut 1301, make second adjusting nut 1301 can shift up certain space under the external screw thread effect of second threaded rod 13, provide the space of rebound for spanner 12.
As an embodiment of the present invention, a limit pin 14 is fixedly connected to the bottom of the wrench 12; four limiting grooves 15 are formed in the edge of the top of the T-shaped valve cover 5 at positions corresponding to the rotating movement positions of the limiting pins 14 in an encircling mode at equal intervals; the surface of the limit pin 14 is connected to the inner wall of the limit groove 15 in a sliding manner; during operation, through the connection of spacer pin 14 and spacing groove 15, played and carried out spacing effect with the rotatory position of spanner 12, prevented that spanner 12 from rotating under the effect of external force, when needing to cancel spacingly, can adjust through second adjusting nut 1301, reserve ascending space for spanner 12, then make spanner 12 rebound drive spacer pin 14 break away from, can continue rotatory spanner 12, made things convenient for the use of staff to spanner 12.
As an embodiment of the present invention, two connection circular plates 16 are slidably connected to the surface of the square strip-shaped snap plate 11 between the wrench 12 and the T-shaped bonnet 5; a second return spring 17 is fixedly connected between the two connecting circular plates 16; the second return spring 17 is sleeved on the surface of the square strip-shaped clamping plate 11; during operation, when the wrench 12 is adjusted by the second adjusting nut 1301 and an upward space is reserved for the wrench 12, the wrench 12 is pushed to move upward by the elastic resetting force of the second resetting spring 17, so that the wrench 12 is automatically reset to the highest rising position without manual control.
As an embodiment of the present invention, the elastic reset unit 7 includes an annular slider 701; the inner wall of the annular sliding block 701 is fixedly connected to the surface of the cylindrical valve rod 8, and the surface of the annular sliding block 701 is slidably connected to the inner wall of the mounting groove 6; the bottom of the annular slider 701 is fixedly connected with a first return spring 702; the first return spring 702 is in a compressed state; the first return spring 702 is sleeved on the surface of the cylindrical valve rod 8; during operation, annular slider 701 is with cylindrical valve rod 8 sliding connection on the 6 inner walls of mounting groove, make cylindrical valve rod 8 by the restriction in the space of mounting groove 6, can not break away from fixed valve body 1, first reset spring 702 has played the effect that resets, produce the effort that resets to annular slider 701 all the time, twist and move first adjusting nut 401, first adjusting nut 401 rebound, keep somewhere the certain space that moves on the surface at first threaded rod 4 for T shape valve gap 5, under the effect that resets of first reset spring 702, promote T shape valve gap 5 and the synchronous upward movement of cylindrical valve rod 8, make square bayonet lock 801 automatic break away from 2 top joint grooves 201 of ball case, need not to pull down cylindrical valve rod 8 and just can cancel the joint of square bayonet lock 801 to ball case 2.
As an embodiment of the present invention, the elastic support unit 9 includes two connection pins 901; the two connecting pins 901 are symmetrically arranged at the bottom of the fixed valve body 1; the two connecting pins 901 penetrate into connecting grooves at two ends of the T-shaped valve rod 10 respectively and are connected with limiting blocks 902; a support spring 903 is sleeved on the surface of the connecting pin 901; two ends of the supporting spring 903 are fixedly connected to the top of the limiting block 902 and the inner wall of the connecting groove at two ends 10 respectively; the during operation, under supporting spring 903's the support that resets, T shape valve rod 10 is supported by supporting spring 903 elastic support, make the cylindrical link of T shape valve rod 10 be connected with the cylindrical groove 202 of spherical case 2 bottom all the time, when the cylindrical link that needs T shape valve rod 10 breaks away from cylindrical groove 202, the elastic support power that supporting spring 903 was overcome to pulling T shape valve rod 10 can, need not to pull down T shape valve rod 10, make T shape valve rod 10 connect the bottom at fixed valve body 1 all the time, make things convenient for the installation to spherical case 2 next time.
As an embodiment of the present invention, a positioning pin 18 is fixedly connected to the bottom of the movable valve body 3; a positioning groove 19 is formed in the left side of the T-shaped valve rod 10 corresponding to the positioning pin 18; the surface of the positioning pin 18 is connected on the inner wall of the positioning groove 19 in a sliding manner; during operation, when installation activity valve body 3, locating pin 18 can be pegged graft to the 19 inner walls of constant head tank on step to reach the spacing effect to T shape valve rod 10, prevent the problem emergence of careless pulling T shape valve rod 10, can prevent effectively that exogenic action from keeping the stability of T shape valve rod 10 during operation.
As an embodiment of the invention, a toggle plate 20 is fixedly connected to one side of the T-shaped valve rod 10 away from the positioning pin 18, and the top of the toggle plate 20 is provided with anti-skid threads; in operation, a hand-pull attachment point is provided to facilitate pulling of the T-stem 10 by the operator.
The specific working process is as follows:
when the valve works, the spherical valve core 2 is rotated through the cylindrical valve rod 8, so that the T-shaped port 203 in the spherical valve core 2 can change the communication direction, the first port 101, the second port 103 and the third port 301 are communicated, the second port 103 is communicated with the first port 101, the first port 101 is communicated with the third port 301, and the third port 301 is communicated with the first port 101, through arranging the first sealing seat 102 and the second sealing seat 302, the sealing effect is achieved, the problem that water in the T-shaped port 203 flows into the fixed valve body 1 and cannot flow to a specified port is avoided, when the spherical valve core 2 needs to be replaced, the bolt is unscrewed, the movable valve body 3 is taken down, the mounting port is opened, then the first adjusting nut 401 is screwed, the first adjusting nut 401 moves upwards, a space which must move on the surface of the first threaded rod 4 is reserved for the T-shaped valve cover 5, under the reset action of elasticity reset unit 7, promote T shape valve gap 5 and the synchronous upward movement of cylindrical valve rod 8, make the automatic cylindrical valve core 2 top joint groove 201 that breaks away from of square bayonet lock 801, cylindrical valve rod 8 need not to pull down, then stir T shape valve rod 10 downwards, make T shape valve rod 10 overcome elastic support unit 9 elastic support, thereby make the cylindrical link that T shape kept away from valve rod 10 break away from cylindrical groove 202 of spherical valve core 2 bottom, need not to keep away from T shape valve rod 10 and pull down, during the installation, plug-in T shape valve rod 10 on the surface with spherical valve core 2, then twist and move first adjusting nut 401, promote T shape valve gap 5 and cylindrical valve rod 8 and reset, thereby realize being connected of square bayonet lock 801 and joint groove 201, then sealed movable valve body 3 can.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a three-way ball valve, includes fixed valve body (1), spherical case (2) and movable valve body (3), its characterized in that: the inner wall of the fixed valve body (1) is rotatably connected with a spherical valve core (2); the top of the spherical valve core (2) is provided with a clamping groove (201); a cylindrical groove (202) is formed in the bottom of the spherical valve core (2); a T-shaped through hole (203) is formed in the spherical valve core (2); a first through hole (101) is formed in the right side of the fixed valve body (1) corresponding to the T-shaped through hole (203); a first sealing seat (102) is fixedly connected to the inner wall of the fixed valve body (1) corresponding to the edge of the first through hole (101); a second through hole (103) is formed in the position, corresponding to the T-shaped through hole (203), of the front surface of the fixed valve body (1); the edge of the mounting opening on the left side of the fixed valve body (1) is connected with a movable valve body (3) through bolt threads; a third through hole (301) is formed in the position, corresponding to the T-shaped through hole (203), on the left side of the movable valve body (3); a second sealing seat (302) is fixedly connected to the edge of the inner wall of the movable valve body (3) corresponding to the third port (301); the positions, corresponding to the two sides of the first through hole (102), of the top of the fixed valve body (1) are fixedly connected with first threaded rods (4); the surfaces of the two first threaded rods (4) are jointly connected with a T-shaped valve cover (5) in a sliding manner; the upper surface of the first threaded rod (4) is in threaded connection with a first adjusting nut (401); valve rod through openings are formed in the bottom of the T-shaped valve cover (5) and the top of the fixed valve body (1); the inner walls of the two valve rod through openings are jointly provided with mounting grooves (6); the inner wall of the mounting groove (6) is connected with a cylindrical valve rod (8) through an elastic reset unit (7); the bottom end of the cylindrical valve rod (8) penetrates into the fixed valve body (1) and is connected with a square bayonet (801); the square bayonet (801) is connected to the inner wall of the clamping groove (201) at the top of the spherical valve core (2) in a sliding manner; the top of the cylindrical valve rod (8) penetrates through the T-shaped valve cover (5); the bottom of the fixed valve body (1) is connected with a T-shaped valve rod (10) through an elastic supporting unit (9); the cylindrical connecting end of the T-shaped valve rod (10) penetrates into the fixed valve body (1) and is connected to the inner wall of the cylindrical groove (202) in a sliding mode.
2. The three-way ball valve of claim 1, wherein: the top of the cylindrical valve rod (8) is fixedly connected with a square strip-shaped clamping and connecting plate (11); the surface of the square strip-shaped clamping plate (11) is connected with a spanner (12) in a sliding manner; the top of the square strip-shaped clamping and connecting plate (11) is connected with a second threaded rod (13); and a second adjusting nut (1301) is connected to the surface of the second threaded rod (13) in a threaded manner.
3. The three-way ball valve of claim 2, wherein: preferably, the bottom of the wrench (12) is fixedly connected with a limit pin (14); four limiting grooves (15) are formed in the edge of the top of the T-shaped valve cover (5) in an equidistant surrounding mode at positions corresponding to the rotating movement of the limiting pin (14); the surface of the limiting pin (14) is connected to the inner wall of the limiting groove (15) in a sliding mode.
4. The three-way ball valve of claim 2, wherein: two connecting circular plates (16) are slidably connected to the surface of the square strip-shaped clamping plate (11) and positioned between the wrench (12) and the T-shaped valve cover (5); a second return spring (17) is fixedly connected between the two connecting circular plates (16); and the second return spring (17) is sleeved on the surface of the square strip-shaped clamping plate (11).
5. The three-way ball valve of claim 1, wherein: the elastic reset unit (7) comprises an annular sliding block (701); the inner wall of the annular sliding block (701) is fixedly connected to the surface of the cylindrical valve rod (8), and the surface of the annular sliding block (701) is connected to the inner wall of the mounting groove (6) in a sliding mode; the bottom of the annular sliding block (701) is fixedly connected with a first return spring (702); the first return spring (702) is in a compressed state; the first return spring (702) is sleeved on the surface of the cylindrical valve rod (8).
6. The three-way ball valve of claim 1, wherein: the elastic support unit (9) comprises two connecting pins (901); the two connecting pins (901) are symmetrically arranged at the bottom of the fixed valve body (1); the two connecting pins (901) penetrate into connecting grooves at two ends of the T-shaped valve rod (10) respectively and are connected with limiting blocks (902); the surface of the connecting pin 91) is sleeved with a supporting spring (903); and two ends of the supporting spring (903) are respectively and fixedly connected to the tops of the limiting blocks (902) and the inner walls of the connecting grooves at two ends of the limiting block (10).
7. The three-way ball valve of claim 1, wherein: the bottom of the movable valve body (3) is fixedly connected with a positioning pin (18); a positioning groove (19) is formed in the left side of the T-shaped valve rod (10) corresponding to the positioning pin (18); the surface of the positioning pin (18) is connected on the inner wall of the positioning groove (19) in a sliding way.
8. The three-way ball valve of claim 7, wherein: one side, far away from the positioning pin (18), of the T-shaped valve rod (10) is fixedly connected with a poking plate (20), and anti-skid grains are formed in the top of the poking plate (20).
CN202010432615.7A 2020-05-20 2020-05-20 Three-way ball valve Active CN111550579B (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004428A1 (en) * 1978-03-17 1979-10-03 Kamyr, Inc. Ball and valve with readily removable ball and seats for high temperature environment
FR2828547A3 (en) * 2001-08-06 2003-02-14 Omb Saleri Spa Double-function safety valve for gas distribution system has automatic stop for gas flow above a certain rate and lock to prevent accidental opening
CN2874165Y (en) * 2005-12-09 2007-02-28 北京迪威尔石油天然气技术开发有限公司 Three-way ball valve with wedge type valve core
CN201547302U (en) * 2009-11-03 2010-08-11 宁波长壁流体连接件有限公司 Self-locking ball valve
US20100229962A1 (en) * 2009-03-16 2010-09-16 Robert Anthony Frenzel Multi-component Metal Seat Design for Ball Valves
KR20130021890A (en) * 2011-08-24 2013-03-06 김기교 A valve apparatus
CN103307302A (en) * 2013-06-28 2013-09-18 苏州纽威阀门股份有限公司 Top-mounted low temperature floating ball valve
CN203374864U (en) * 2013-07-09 2014-01-01 苏州工业园区思达德阀门有限公司 Top entry floating ball valve
CN204345049U (en) * 2014-12-22 2015-05-20 永嘉县金鼎泰铸造有限公司 self-locking ball valve
CN206973031U (en) * 2017-05-12 2018-02-06 刘权 Middle control filtering lock controlled ball valve
CN207961624U (en) * 2018-02-12 2018-10-12 董服义 T-type three-way ball valve
CN109780252A (en) * 2019-03-19 2019-05-21 龙长贵 High-performance ball valve for coal chemical industry
CN210052534U (en) * 2019-06-14 2020-02-11 高凯镟 Instrument housing convenient to disassemble and assemble

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004428A1 (en) * 1978-03-17 1979-10-03 Kamyr, Inc. Ball and valve with readily removable ball and seats for high temperature environment
FR2828547A3 (en) * 2001-08-06 2003-02-14 Omb Saleri Spa Double-function safety valve for gas distribution system has automatic stop for gas flow above a certain rate and lock to prevent accidental opening
CN2874165Y (en) * 2005-12-09 2007-02-28 北京迪威尔石油天然气技术开发有限公司 Three-way ball valve with wedge type valve core
US20100229962A1 (en) * 2009-03-16 2010-09-16 Robert Anthony Frenzel Multi-component Metal Seat Design for Ball Valves
CN201547302U (en) * 2009-11-03 2010-08-11 宁波长壁流体连接件有限公司 Self-locking ball valve
KR20130021890A (en) * 2011-08-24 2013-03-06 김기교 A valve apparatus
CN103307302A (en) * 2013-06-28 2013-09-18 苏州纽威阀门股份有限公司 Top-mounted low temperature floating ball valve
CN203374864U (en) * 2013-07-09 2014-01-01 苏州工业园区思达德阀门有限公司 Top entry floating ball valve
CN204345049U (en) * 2014-12-22 2015-05-20 永嘉县金鼎泰铸造有限公司 self-locking ball valve
CN206973031U (en) * 2017-05-12 2018-02-06 刘权 Middle control filtering lock controlled ball valve
CN207961624U (en) * 2018-02-12 2018-10-12 董服义 T-type three-way ball valve
CN109780252A (en) * 2019-03-19 2019-05-21 龙长贵 High-performance ball valve for coal chemical industry
CN210052534U (en) * 2019-06-14 2020-02-11 高凯镟 Instrument housing convenient to disassemble and assemble

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨隆杰等: "弹簧快关球阀", 《阀门》 *

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