CN113883298B - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN113883298B CN113883298B CN202111101631.9A CN202111101631A CN113883298B CN 113883298 B CN113883298 B CN 113883298B CN 202111101631 A CN202111101631 A CN 202111101631A CN 113883298 B CN113883298 B CN 113883298B
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- Prior art keywords
- valve
- rod
- ball
- positioning
- hole
- 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.)
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
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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
- 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
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a ball valve, which comprises a valve body, wherein a valve cavity penetrating up and down is arranged in the valve body, an end cover is fixedly arranged at the upper end of the valve cavity, a bottom cover is arranged at the lower end of the valve cavity, a left mounting hole and a right mounting hole are arranged on the left side of the valve body, an inlet pipe is fixedly arranged in the left mounting hole, and an outlet pipe is fixedly arranged in the right mounting hole; the end cover is rotationally connected with a valve rod, and the lower end of the valve rod is provided with a sphere; the ball body is internally provided with a mounting groove, and a left through hole and a right through hole which are communicated with two sides of the mounting groove; the outer side of the sphere is symmetrically provided with a left valve clack component matched with the inlet pipe and a right valve clack component matched with the outlet pipe, a switching component connected with the left valve clack component and the right valve clack component is arranged in the valve body, and the switching component is used for controlling the switching of two spherical petals in the left valve clack component and the right valve clack component; the ball valve is simple in structure and convenient to maintain and replace.
Description
Technical Field
The invention relates to the field of pipeline valves, in particular to a ball valve capable of being maintained on line.
Background
The ball valve is driven by the valve rod to rotate around the axis of the ball valve, so that the flow direction of the medium is cut off, distributed and changed, and the ball valve has the advantages of small fluid resistance, simple structure and the like. Because of the specific structure of the ball valve, the valve seat needs to be tightly attached to the valve ball, so that the valve ball and the valve seat generate larger friction when the valve ball rotates, and the valve ball is greatly worn after long-time working, so that the ball valve can leak; when the ball valve is maintained, the ball valve is required to be detached from the pipeline, so that the process is complicated, the work of the whole system is influenced, a large amount of medium flows out of the pipeline, and the working environment is polluted.
Disclosure of Invention
The invention aims to provide a ball valve which is simple in structure and convenient to maintain and replace a valve clack assembly.
In order to achieve the above purpose, the present invention provides the following technical solutions: the ball valve comprises a valve body, wherein a valve cavity penetrating up and down is arranged in the valve body, an end cover is fixedly arranged at the upper end of the valve cavity, a bottom cover is detachably arranged at the lower end of the valve cavity, a left mounting hole communicated with the valve cavity is arranged on the left side of the valve body, a right mounting hole communicated with the valve cavity is arranged on the right side of the valve body, an inlet pipe is fixedly arranged in the left mounting hole, an outlet pipe is fixedly arranged in the right mounting hole, and the inlet pipe and the outlet pipe are positioned at coaxial positions; the end cover is rotationally connected with a valve rod arranged along the vertical direction, and the lower end of the valve rod stretches into the valve cavity and is fixedly provided with a ball body for controlling the communication or disconnection of the inlet pipe and the outlet pipe; the ball body is internally provided with a mounting groove, and a left through hole and a right through hole which are communicated with two sides of the mounting groove, wherein the left through hole and the right through hole are positioned at coaxial positions; when the ball valve is opened, the left through hole and the inlet pipe are positioned at the coaxial position, and when the ball valve is closed, the left through hole and the inlet pipe are positioned at the vertical position; the valve body is internally provided with a switching component connected with the left valve clack component and the right valve clack component, and the switching component is used for controlling the switching of two spherical petals in the left valve clack component and the right valve clack component.
Further, a shoulder is arranged at the lower end of the valve rod, and the shoulder is fixedly arranged at an opening at the upper end of the mounting groove.
Further, the left valve clack assembly and the right valve clack assembly are the same in structure and comprise two spherical petals and a transmission rod, the transmission rod is connected in the spherical body in a radial rotation mode along the spherical body, clamping grooves which are in a T shape are formed in each spherical petal, two clamping blocks which are in a T shape are symmetrically arranged at one end of each transmission rod extending out of the spherical body, the clamping blocks are used for being clamped into the clamping grooves, when the transmission rod rotates to a first position, one spherical petal is located at a working position, and when the transmission rod rotates 180 DEG to a second position, the other spherical petal is located at the working position.
Further, a ball groove for the ball valve to extend in is formed in the bottom cover, and the radius of the ball groove is the same as that of the ball valve.
Further, the switching assembly comprises a shaft lever, the shaft lever is rotatably connected in the valve rod and is in a coaxial position with the valve rod, the lower end of the shaft lever stretches into the mounting groove and is fixedly provided with a first bevel gear, and one end of the transmission rod, which is positioned in the mounting groove, is fixedly provided with a second bevel gear meshed with the first bevel gear; the upper end of the valve rod is provided with a positioning component connected with the shaft lever.
Further, the locating component includes the locating piece, the locating piece cup joints on the axostylus axostyle and fixed the upper end that sets up at the valve rod, fixed mounting has the positioning disk of cup jointing on the axostylus axostyle on the locating piece, the circumference outside of positioning disk is equipped with a plurality of location tooth's sockets along circumference interval, the upper end of axostylus axostyle is fixed to be equipped with first handle, it has the locating lever to articulate on the first handle, be equipped with between first handle and the locating lever and be used for forcing the one end of locating lever to stretch into the positioning spring in the location tooth's socket, when the one end of locating lever stretches into the location tooth's socket, the positioning disk is fixed the axostylus axostyle.
Further, a second handle is fixedly arranged at the upper end of the valve rod.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. by using the left valve clack component and the right valve clack component which are tightly attached to the ball, after the ball valve at the working position is worn to generate leakage, the ball valve can be replaced by another ball valve, so that the service life is prolonged, and the normal work of the ball valve is not delayed;
2. through the arrangement of the shaft lever and the use of the first bevel gear and the second bevel gear, the two spherical petals in the left valve clack assembly and the right valve clack assembly can be driven to be switched through the relative rotation of the shaft lever, so that the valve is simple and convenient;
3. the detachable bottom cover is arranged below the ball valve, so that the worn ball valve can be replaced by disassembling the bottom cover after being replaced, and the normal use of the ball valve is not affected;
4. through the cooperation of using fixture block and draw-in groove for the change of ball lamella is more swift.
Drawings
FIG. 1 is a cross-sectional view of the ball valve of the present invention in the closed position;
FIG. 2 is a cross-sectional view of the bottom cover of the present invention with the bottom cover removed;
FIG. 3 is a cross-sectional view of the wear ball valve of the present invention with the wear ball valve removed;
FIG. 4 is a cross-sectional view of the ball valve of the present invention in an open state;
FIG. 5 is a block diagram of the latch on the drive rod of the present invention;
fig. 6-7 are block diagrams of the ball valve of the present invention.
Detailed Description
Referring to fig. 1-7, a ball valve includes a valve body 3, wherein a valve cavity 31 penetrating up and down is provided in the valve body 3, an end cover 1 is fixedly provided at an upper end of the valve cavity 31, a bottom cover 8 is detachably provided at a lower end of the valve cavity 31, a left mounting hole 32 communicating with the valve cavity 31 is provided at a left side of the valve body 3, a right mounting hole 33 communicating with the valve cavity 31 is provided at a right side of the valve body 3, an inlet pipe 13a is fixedly provided in the left mounting hole 32, an outlet pipe 13b is fixedly provided in the right mounting hole 33, and the inlet pipe 13a and the outlet pipe 13b are positioned at coaxial positions; the end cover 1 is rotationally connected with a valve rod 5 arranged along the vertical direction, the lower end of the valve rod 5 stretches into the valve cavity 31 and is fixedly provided with a ball body 2 for controlling the communication or disconnection of the inlet pipe 13a and the outlet pipe 13b, and the upper end of the valve rod 5 is fixedly provided with a second handle 12; the ball body 2 is internally provided with a mounting groove 21, and a left through hole 2a and a right through hole 2b which are communicated with two sides of the mounting groove 21, wherein the left through hole 2a and the right through hole 2b are positioned at coaxial positions; when the ball valve is opened, the left through hole 2a and the inlet pipe 13a are positioned in the coaxial position, and when the ball valve is closed, the left through hole 2a and the inlet pipe 13a are positioned in the vertical position; the outside symmetry of spheroid 2 is equipped with the left valve clack subassembly 41 with the cooperation of inlet tube 13a and with the right valve clack subassembly 42 of outlet tube 13b cooperation, be equipped with the switching component who is connected with left valve clack subassembly 41 and right valve clack subassembly 42 in the valve body 3, the switching component is used for controlling the switching of two spherical lobes in left valve clack subassembly 41 and the right valve clack subassembly 42.
In this embodiment, a shoulder 51 is provided at the lower end of the valve rod 5, and the shoulder 51 is fixedly provided at the upper end opening of the mounting groove 21.
The left valve clack assembly 41 and the right valve clack assembly 42 are the same in structure and comprise two spherical petals 4a and a transmission rod 9a, the transmission rod 9a is connected in the spherical body 2 in a radial rotation mode of the spherical body 2, a T-shaped clamping groove 4a1 is formed in each spherical petal 4a, two T-shaped clamping blocks 9a1 are symmetrically formed in one end of each transmission rod 9a extending out of the spherical body 2, the clamping blocks 9a1 are used for being clamped into the clamping grooves 4a1, when the transmission rod 9a rotates to a first position, one spherical petal 4a is located at a working position, and when the transmission rod 9a rotates 180 DEG to a second position, the other spherical petal 4a is located at the working position. A ball groove 81 into which the ball valve 4a extends is arranged in the bottom cover 8, and the radius of the ball groove 81 is the same as the radius of the ball valve 4 a.
The switching assembly comprises a shaft lever 6, the shaft lever 6 is rotatably connected in the valve rod 5 and is in a coaxial position with the valve rod 5, the lower end of the shaft lever 6 stretches into the mounting groove 21 and is fixedly provided with a first bevel gear 7a, and one end of the transmission rod 9a in the mounting groove 21 is fixedly provided with a second bevel gear 7b meshed with the first bevel gear 7 a; the upper end of the valve rod 5 is provided with a positioning component connected with a shaft lever 6. The positioning assembly comprises a positioning block 17, the positioning block 17 is sleeved on the shaft rod 6 and is fixedly arranged at the upper end of the valve rod 5, a positioning disk 11 sleeved on the shaft rod 6 is fixedly arranged on the positioning block 17, a plurality of positioning tooth grooves (all shown in the figure) are circumferentially arranged on the outer side of the circumference of the positioning disk 11 at intervals, a first handle 10 is fixedly arranged at the upper end of the shaft rod 6, a positioning rod 18 is hinged on the first handle 10, a positioning spring 19 for forcing one end of the positioning rod 18 to extend into the positioning tooth grooves is arranged between the first handle 10 and the positioning rod 18, and when one end of the positioning rod 18 extends into the positioning tooth grooves, the positioning disk 11 fixes the shaft rod 6.
As shown in fig. 1, when the ball valve is needed to be used, the ball valve needs to be connected into a pipeline, when the ball valve is normally opened from the closed state, the second handle 12 needs to be rotated, the valve rod 5 drives the ball body 2 to rotate 90 degrees, a medium in the pipeline enters through the inlet pipe 13a and passes through the left through hole 2a, the mounting groove 21 and the right through hole 2b and then flows out of the outlet pipe 13b, and the ball valve is opened (as shown in fig. 4). When the ball valve is normally closed from the open state, the second handle 12 needs to be rotated to enable the ball body 2 to rotate 90 degrees, the ball valve 4a is tightly attached to the ball body 2, the ball valve 4a in the left valve clack assembly 41 is matched with the port of the inlet pipe 13a, the right valve clack in the right valve clack assembly 42 is matched with the port of the outlet pipe 13b, and the ball valve is closed (as shown in fig. 1).
When the ball valve works for a long time and the ball valve 4a is worn and needs to be replaced, the positioning rod 18 is pinched to enable the ball valve to be separated from the positioning tooth groove of the positioning disc 11, the first handle 10 is rotated to drive the shaft lever 6 to rotate, so that the first bevel gear 7a is driven to rotate, the first bevel gear 7a is meshed with the two second bevel gears 7b to drive the transmission rod 9a to rotate, and the ball valve 4a is matched with the clamping block 9a1 through the clamping groove 4a1, so that when the transmission rod 9a rotates for 180 degrees, the new ball valve 4a moves to the working position, the worn ball valve 4a moves to the lower part of the ball valve 2, after the replacement of the ball valve is finished, the ball valve is kept in the closed position, the bottom cover 8 is opened (shown in fig. 2), the worn ball valve 4a is removed (shown in fig. 3), the new ball valve 4a is replaced again for later use, the ball valve is finished after the bottom cover 8 is installed, the whole process is not required to be detached, and the replacement of the ball valve is completed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
1. The ball valve is characterized by comprising a valve body, wherein a valve cavity penetrating up and down is arranged in the valve body, an end cover is fixedly arranged at the upper end of the valve cavity, a bottom cover is detachably arranged at the lower end of the valve cavity, a left mounting hole communicated with the valve cavity is arranged on the left side of the valve body, a right mounting hole communicated with the valve cavity is arranged on the right side of the valve body, an inlet pipe is fixedly arranged in the left mounting hole, an outlet pipe is fixedly arranged in the right mounting hole, and the inlet pipe and the outlet pipe are positioned at coaxial positions; the end cover is rotationally connected with a valve rod arranged along the vertical direction, and the lower end of the valve rod stretches into the valve cavity and is fixedly provided with a ball body for controlling the communication or disconnection of the inlet pipe and the outlet pipe; the ball body is internally provided with a mounting groove, and a left through hole and a right through hole which are communicated with two sides of the mounting groove, wherein the left through hole and the right through hole are positioned at coaxial positions; when the ball valve is opened, the left through hole and the inlet pipe are positioned at the coaxial position, and when the ball valve is closed, the left through hole and the inlet pipe are positioned at the vertical position; the outer side of the sphere is symmetrically provided with a left valve clack component matched with the inlet pipe and a right valve clack component matched with the outlet pipe, a switching component connected with the left valve clack component and the right valve clack component is arranged in the valve body, and the switching component is used for controlling the switching of two spherical petals in the left valve clack component and the right valve clack component;
the structure of the left valve clack assembly and the structure of the right valve clack assembly are the same, the transmission rods are connected in the sphere in a radial rotation mode along the sphere, each sphere is provided with a T-shaped clamping groove, two T-shaped clamping blocks are symmetrically arranged at one end of each transmission rod extending out of the sphere, the clamping blocks are used for being clamped into the clamping grooves, when the transmission rods rotate to a first position, one sphere is located at a working position, and when the transmission rods rotate 180 degrees to a second position, the other sphere is located at a working position;
the switching assembly comprises a shaft lever, the shaft lever is rotatably connected in the valve rod and is in a coaxial position with the valve rod, the lower end of the shaft lever stretches into the mounting groove and is fixedly provided with a first bevel gear, and one end of the transmission rod, which is positioned in the mounting groove, is fixedly provided with a second bevel gear meshed with the first bevel gear; the upper end of the valve rod is provided with a positioning component connected with the shaft lever.
2. The ball valve of claim 1, wherein the lower end of the valve stem is provided with a shoulder fixedly disposed at an upper end opening of the mounting groove.
3. The ball valve of claim 2, wherein a ball groove into which the ball valve is inserted is formed in the bottom cover, and a radius of the ball groove is the same as a radius of the ball valve.
4. The ball valve of claim 3, wherein the positioning assembly comprises a positioning block, the positioning block is sleeved on the shaft rod and is fixedly arranged at the upper end of the valve rod, a positioning disk sleeved on the shaft rod is fixedly arranged on the positioning block, a plurality of positioning tooth grooves are circumferentially arranged on the outer side of the circumference of the positioning disk at intervals, a first handle is fixedly arranged at the upper end of the shaft rod, a positioning rod is hinged on the first handle, a positioning spring for forcing one end of the positioning rod to extend into the positioning tooth grooves is arranged between the first handle and the positioning rod, and the positioning disk fixes the shaft rod when one end of the positioning rod extends into the positioning tooth grooves.
5. The ball valve of claim 1, wherein a second handle is fixedly secured to an upper end of the valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101631.9A CN113883298B (en) | 2021-09-18 | 2021-09-18 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101631.9A CN113883298B (en) | 2021-09-18 | 2021-09-18 | Ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113883298A CN113883298A (en) | 2022-01-04 |
| CN113883298B true CN113883298B (en) | 2024-01-26 |
Family
ID=79010010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111101631.9A Active CN113883298B (en) | 2021-09-18 | 2021-09-18 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113883298B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425618A (en) * | 2020-04-30 | 2020-07-17 | 韩国昊 | Low-abrasion ball valve |
| CN111503308A (en) * | 2020-04-30 | 2020-08-07 | 刘艳荣 | Low-torque ball valve capable of adjusting flow |
| CN111720579A (en) * | 2020-07-24 | 2020-09-29 | 青岛帝威精工机电有限公司 | Double-seal-ring eccentric half ball valve with heating function, system and method |
| CN111795171A (en) * | 2020-07-03 | 2020-10-20 | 东莞海特帕沃液压科技有限公司 | Ball valve with long service life |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6772991B2 (en) * | 2016-09-27 | 2020-10-21 | 株式会社デンソー | Valve gear and cooling system |
-
2021
- 2021-09-18 CN CN202111101631.9A patent/CN113883298B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425618A (en) * | 2020-04-30 | 2020-07-17 | 韩国昊 | Low-abrasion ball valve |
| CN111503308A (en) * | 2020-04-30 | 2020-08-07 | 刘艳荣 | Low-torque ball valve capable of adjusting flow |
| CN111795171A (en) * | 2020-07-03 | 2020-10-20 | 东莞海特帕沃液压科技有限公司 | Ball valve with long service life |
| CN111720579A (en) * | 2020-07-24 | 2020-09-29 | 青岛帝威精工机电有限公司 | Double-seal-ring eccentric half ball valve with heating function, system and method |
Non-Patent Citations (1)
| Title |
|---|
| 基于差速行星轮机构的阀门顺序启闭装置的设计;邓英剑;刘忠伟;翟启;陈臻阳;;流体机械(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113883298A (en) | 2022-01-04 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240103 Address after: No.32, Jinliang Road, Zhuqiao Town, Pudong New Area, Shanghai, 201323 Applicant after: FLOAUTO (SHANGHAI) CONTROL VALVE Co.,Ltd. Address before: 325000 Xintai Valve Group Co., Ltd., Dushan section, Central Industrial Zone, Longwan District, Wenzhou City, Zhejiang Province Applicant before: Wang Chunhong |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |