CN111379880A - Track type ball valve - Google Patents
Track type ball valve Download PDFInfo
- Publication number
- CN111379880A CN111379880A CN201811618276.0A CN201811618276A CN111379880A CN 111379880 A CN111379880 A CN 111379880A CN 201811618276 A CN201811618276 A CN 201811618276A CN 111379880 A CN111379880 A CN 111379880A
- Authority
- CN
- China
- Prior art keywords
- valve
- seat
- ball
- spheroid
- guide
- 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
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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
- F16K5/061—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 knee-joint
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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
- F16K5/0663—Packings
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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
-
- 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
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
Abstract
The utility model provides a rail mounted ball valve, which comprises a valve body, the disk seat, the spheroid, the valve gap, the valve rod, the hand wheel, the valve rod lower extreme passes through the inclined plane, round pin axle and spheroid connection, bevel gear transmission and hand wheel connection are passed through to the valve rod upper end, be equipped with two guide ways and two guide pins of mutually supporting between valve rod and the valve gap, the valve body adopts double containment seat mechanism with the spheroid, the spheroid adopts the fixed ball structure, the spheroid adopts hard seal cooperation with the sealed face of disk seat, be equipped with carbide on the face that spheroid and disk seat contacted, the spheroid is inside to be equipped with the circular ring and leads to the pipe, spheroid one side is equipped with the fixed disk seat, the spheroid opposite side is equipped with movable seal seat, the ordinary ball valve of. The unique characteristic of the track ball valve can effectively reduce the failure rate of the device and greatly reduce the use and maintenance cost of users.
Description
Technical Field
The invention relates to a valve, in particular to a track type ball valve.
Background
The track type ball valve is a valve which uses a ball body with a circular through hole as an opening and closing part, and the ball body rotates along with a valve rod to realize the opening and closing actions. The medium that mainly used cut off or put through in the pipeline, also can be used to fluidic regulation and control, also can close arbitrary passageway simultaneously and make two other passageways link to each other, and current rail mounted ball valve all adopts single sealed disk seat, because single disk seat generally all chooses hard seal for use, lead to single disk seat's sealing performance relatively poor, under the condition of hard seal, long-time friction also leads to sealed disk seat to appear the clearance, lead to sealed effect relatively poor, the ball valve all needs the moment of torsion great at the in-process of opening and closing, adopt traditional hand wheel, also very hard when closing the ball valve.
Disclosure of Invention
The invention mainly aims to provide a track type ball valve, which solves the problems that the sealing performance of a single sealing valve seat is poor, the sealing effect is reduced due to hard sealing friction, and great labor is consumed when the ball valve is closed.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a rail mounted ball valve, which comprises a valve body, the disk seat, the spheroid, the valve gap, the valve rod, the hand wheel, the valve rod lower extreme passes through the inclined plane, round pin axle and spheroid are connected, bevel gear transmission and hand wheel connection are passed through to the valve rod upper end, be equipped with two guide ways and two guide pins of mutually supporting between valve rod and the valve gap, the valve body adopts double containment seat mechanism with the spheroid, the spheroid adopts the fixed ball structure, the spheroid adopts hard seal cooperation with the sealed face of disk seat, be equipped with carbide on the face that spheroid and disk seat contacted, the inside pipe that leads to of ring that is equipped with of spheroid, spheroid one side is equipped with the solid fixed.
In the preferred scheme, one end of the movable sealing seat is in contact with the spherical hard alloy, the other end of the movable sealing seat is provided with a guide shin, a sliding groove is formed in the valve body, the guide shin of the movable sealing seat is arranged in the sliding groove, and a spring is arranged between the guide shin and the sliding groove.
In the preferred scheme, a boss is arranged in the middle of the end face of the guide shin of the movable sealing seat, a boss is arranged on the end face of the sliding groove corresponding to the end face of the guide shin, and the spring is arranged on the two bosses.
In a preferable scheme, hard alloy is arranged on the sealing surface of the movable sealing seat and the fixed valve seat.
In the preferred scheme, a convex column is arranged at the lower end of the ball body, the central line of the convex column and the central line of the valve rod are on the same straight line, metal surfacing is arranged on the outer side surface of the convex column and is arranged in a shaft seat, and a lower valve cover is arranged below the shaft seat.
In the preferred scheme, the upper end of the valve body is connected with the valve cover, the middle part of the valve cover is provided with an opening, a packing gland is arranged in the opening, and the packing gland is fixed on the valve cover through an eyelet bolt.
In the preferred scheme, valve gap upper end is equipped with the pilot lever, and the pilot lever is connected with the valve rod.
The invention provides a track type ball valve, which is characterized in that a double-valve seat design can ensure bidirectional zero leakage, a movable sealing seat can be changed along with the movement of a ball body to play a role in sealing, a wear-resistant hard sealing surface valve seat is provided, a layer of hard alloy is overlaid on the sealing surface of the valve seat and is polished to meet the sealing performance in a very harsh medium occasion, a layer of hard alloy is also welded on the ball body to play a role in sealing, a double-valve rod guide groove and a double guide pin slide along the hard guide pin to stably control the lifting and the rotation of a valve rod, and the ball valve can be checked and maintained on line after the pressure of a system is relieved, so that the maintenance is simplified, the operation is low in torque, and the ball valve can be better controlled by adopting a bevel gear transmission mechanism. When the valve core deviates from the valve seat, a medium can flow along the through pipe to clean impurities in the inner wall of the valve body, and the track ball valve can replace ordinary ball valves, gate valves, stop valves and plug valves which are prone to failure in sealing pairs. The unique characteristic of the track ball valve can effectively reduce the failure rate of the device and greatly reduce the use and maintenance cost of users.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an enlarged view of the structure of the present invention at A;
FIG. 3 is a diagram of the structure of the sphere of the present invention;
FIG. 4 is a left side view of the sphere of the present invention;
in the figure: a protective cover 1; a transmission cover 2; a bevel gear shaft 3; a valve cover 4; a pin cover 5; a guide pin 6; a guide groove 7; a packing gland 8; a seal ring 9; a packing pad 10; a shaft sleeve 11; a valve body 12; a chute 121; a movable seal seat 13; a guide leg 131; a sphere 14; cemented carbide 141; a through duct 142; metal surfacing 143; a post 144; a shaft seat 15; a lower bonnet 16; an indication lever 17; a drive bevel gear 18; a hand wheel 19; a bearing 20; an eye bolt 21; a valve stem 22; a fixed plate 23; a pin 24; a fixed valve seat 25; a spring 26.
Detailed Description
As shown in fig. 1 to 4, a rail ball valve comprises a valve body 12, a valve seat, a ball body 14, a valve cover 4, a valve rod 22 and a hand wheel 19, wherein the lower end of the valve rod 22 is connected with the ball body 14 through an inclined plane and a pin shaft 24, the upper end of the valve rod 22 is connected with the hand wheel 19 through a bevel gear transmission device, a double guide groove 7 and a double guide pin 6 which are matched with each other are arranged between the valve rod 22 and the valve cover 4, the valve body 12 and the ball body 14 adopt a double-sealing seat mechanism, the ball body 14 adopts a fixed ball structure, the sealing surface of the ball body 14 and the valve seat adopts hard sealing matching, hard alloy 141 is arranged on the surface of the ball body 14, a circular ring through pipe 142 is arranged inside the ball body 14, a fixed valve seat 25 is arranged on one side of the ball body 14, and a movable sealing seat 13 is arranged on the other side of, can ensure two-way zero leakage, movable seal seat 13 can change along with the removal of spheroid 14, and two valve rod 22 guide way 7 and two uide pins 6 slide along rigid uide pin 6, and the lift and the rotation of control valve rod 22 steadily, self-cleaning, when the case deviates from the disk seat, the medium can flow along leading to pipe 142, washes the impurity in the valve body 12 inner wall clean, and low moment of torsion operation adopts bevel gear drive mechanism, can control the ball valve better.
In a preferable scheme, one end of the movable sealing seat 13 is in contact with the hard alloy 141 of the ball 14, the other end of the movable sealing seat 13 is provided with a guide shin 131, the inside of the valve body 12 is provided with a sliding slot 121, the guide shin 131 of the movable sealing seat 13 is arranged inside the sliding slot 121, and a spring 26 is arranged between the guide shin 131 and the sliding slot 121, so that the movable sealing seat slides inside the sliding slot 121 through the guide shin 131, and can move along with the ball 14 in the process that the ball 14 moves leftwards, thereby achieving a better sealing effect.
In a preferable scheme, a boss is arranged in the middle of the end face of the guide shin 131 of the movable sealing seat 13, a boss is arranged on the end face of the sliding groove 121 corresponding to the end face of the guide shin 131, and the spring 26 is arranged on the two bosses, so that the transmission structure is more stable, and the spring 26 cannot be easily sent out.
In the preferred scheme, hard alloy is arranged on the sealing surface of the movable sealing seat 13 and the fixed valve seat 25, a layer of hard alloy is overlaid on the sealing surface of the valve seat, and the sealing performance in a very harsh medium occasion can be met by polishing.
In a preferable scheme, the lower end of the ball 14 is provided with a convex column 144, the central line of the convex column 144 and the central line of the valve rod 22 are on the same straight line, the outer side surface of the convex column 144 is provided with a metal surfacing 143, the metal surfacing 143 is arranged in the shaft seat 15, and the lower valve cover 4 is arranged below the shaft seat and plays a wear-resistant role in the opening process.
In the preferred scheme, the upper end of the valve body 12 is connected with the valve cover 4, the middle part of the valve cover 4 is provided with an opening, the inside of the opening is provided with the packing gland 8, and the packing gland 8 is fixed on the valve cover 4 through the eyelet bolt 21, so that the maintenance and the maintenance are more convenient.
In a preferable scheme, the upper end of the valve cover 4 is provided with an indicating rod 17, the indicating rod 17 is connected with the valve rod 22, and the rising position of the valve rod 22 can be observed.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (7)
1. The utility model provides a rail mounted ball valve, includes valve body (12), disk seat, spheroid (14), valve gap (4), valve rod (22), hand wheel (19), and valve rod (22) lower extreme is connected characterized by through inclined plane, round pin axle (24) and spheroid (14): the upper end of a valve rod (22) is connected with a hand wheel (19) through a bevel gear transmission device, a double guide groove (7) and a double guide pin (6) which are matched with each other are arranged between the valve rod (22) and a valve cover (4), a valve body (12) and a ball body (14) adopt a double sealing seat mechanism, the ball body (14) adopts a fixed ball structure, the ball body (14) and a sealing surface of a valve seat adopt hard sealing matching, a hard alloy (141) is arranged on the surface of the ball body (14) contacted with the valve seat, a circular ring through guide pipe (142) is arranged inside the ball body (14), a fixed valve seat (25) is arranged on one side of the ball body (14), and a movable sealing seat (13) is.
2. An orbital ball valve as set forth in claim 1 wherein: one end of the movable sealing seat (13) is in contact with the hard alloy (141) of the ball body (14), the other end of the movable sealing seat (13) is provided with a guide shin (131), the inside of the valve body (12) is provided with a sliding groove (121), the guide shin (131) of the movable sealing seat (13) is arranged inside the sliding groove (121), and a spring (26) is arranged between the guide shin (131) and the sliding groove (121).
3. An orbital ball valve as set forth in claim 2 wherein: the middle part of the end face of the guide shin (131) of the movable sealing seat (13) is provided with a boss, the end face of the sliding groove (121) corresponding to the end face of the guide shin (131) is provided with a boss, and the spring (26) is arranged on the two bosses.
4. An orbital ball valve as set forth in claim 1 wherein: and hard alloy is arranged on the sealing surface of the movable sealing seat (13) and the fixed valve seat (25).
5. An orbital ball valve as set forth in claim 1 wherein: the lower end of the ball body (14) is provided with a convex column (144), the central line of the convex column (144) and the central line of the valve rod (22) are on the same straight line, the outer side surface of the convex column (144) is provided with a metal surfacing (143), the metal surfacing (143) is arranged in the shaft seat (15), and the lower valve cover (4) is arranged below the shaft seat.
6. An orbital ball valve as set forth in claim 1 wherein: the upper end of the valve body (12) is connected with the valve cover (4), the middle part of the valve cover (4) is provided with an opening, a packing gland (8) is arranged in the opening, and the packing gland (8) is fixed on the valve cover (4) through an eyelet bolt (21).
7. An orbital ball valve as set forth in claim 1 wherein: the upper end of the valve cover (4) is provided with an indicating rod (17), and the indicating rod (17) is connected with the valve rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618276.0A CN111379880A (en) | 2018-12-28 | 2018-12-28 | Track type ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618276.0A CN111379880A (en) | 2018-12-28 | 2018-12-28 | Track type ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111379880A true CN111379880A (en) | 2020-07-07 |
Family
ID=71222455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811618276.0A Pending CN111379880A (en) | 2018-12-28 | 2018-12-28 | Track type ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111379880A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700890A (en) * | 2021-08-16 | 2021-11-26 | 凯斯通阀门有限公司 | Ball valve |
-
2018
- 2018-12-28 CN CN201811618276.0A patent/CN111379880A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700890A (en) * | 2021-08-16 | 2021-11-26 | 凯斯通阀门有限公司 | Ball valve |
| CN113700890B (en) * | 2021-08-16 | 2024-04-02 | 凯斯通阀门有限公司 | Ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200707 |