CN111322423A - Ball valve - Google Patents

Ball valve Download PDF

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Publication number
CN111322423A
CN111322423A CN201811543034.XA CN201811543034A CN111322423A CN 111322423 A CN111322423 A CN 111322423A CN 201811543034 A CN201811543034 A CN 201811543034A CN 111322423 A CN111322423 A CN 111322423A
Authority
CN
China
Prior art keywords
hole
handle
round hole
valve
valve rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811543034.XA
Other languages
Chinese (zh)
Inventor
杜雨
章文忠
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.)
Hubei Taihe Petrochemical Equipment Co ltd
Original Assignee
Hubei Taihe Petrochemical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Taihe Petrochemical Equipment Co ltd filed Critical Hubei Taihe Petrochemical Equipment Co ltd
Priority to CN201811543034.XA priority Critical patent/CN111322423A/en
Publication of CN111322423A publication Critical patent/CN111322423A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0647—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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
    • F16K35/022—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
    • F16K35/025—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element said actuating element being operated manually (e.g. a push-button located in the valve actuator)
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

A ball valve comprises a valve body, wherein a ball body is arranged in the valve body, a valve rod is arranged on the ball body, the upper end of the valve rod penetrates through the valve body and extends to the outer side above the valve body, a handle is arranged at one end of the valve rod, which is positioned on the outer side above the valve body, a cylindrical threaded section is arranged at the upper end of the valve rod, a prism section is also arranged between the cylindrical threaded section and the valve rod, a fixing part is arranged at one end of the handle, which is close to the valve rod, the upper end of; the fixing piece is provided with an upper round hole and a lower round hole, the diameter of the upper round hole is the same as that of the section of the cylindrical thread, the diameter of the lower round hole is larger than that of the upper round hole, a clamping mechanism is arranged in the lower round hole, and the clamping mechanism is connected with a locking adjusting rod arranged on the handle portion through a traction rope. By adopting the structure, the change of the opening and closing state of the ball valve caused by the rotation of the ball valve handle due to the error touch is avoided, the stability of the opening and closing state of the ball valve can be ensured, and the direction of the ball body can not be changed even if the handle rotates due to external force.

Description

Ball valve
Technical Field
The invention relates to the field of valves, in particular to a ball valve.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems, from the simplest globe valves to the most complex valves used in autonomous systems, are of a wide variety of types and sizes, and ball valves among the valves are widely used. The existing manual ball valve comprises a valve body, a valve cover, a valve rod, a handle and a ball body, wherein the handle and the ball body are respectively connected with two ends of the valve rod, and the valve is controlled by the handle to control the valve rod to drive the ball body to rotate so as to control the opening or closing of the valve. Handle and valve rod pass through the key-type connection, and the fastness of ball valve itself is not high, and it changes to touch the state of opening and close that the handle leads to the ball valve because of the mistake very easily, causes the fluid state in the pipeline to change, still can lead to the emergence of incident when serious.
Disclosure of Invention
The invention aims to solve the technical problem of providing a ball valve, which avoids the change of the opening and closing state of the ball valve caused by the rotation of a ball valve handle due to mistaken collision, can ensure the stability of the opening and closing state of the ball valve, and ensures that the direction of a ball body cannot be changed even if the handle rotates due to external force.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a ball valve comprises a valve body, wherein a ball body is arranged in the valve body, a valve rod is arranged on the ball body, the upper end of the valve rod penetrates through the valve body and extends to the outer side above the valve body, a handle is arranged at one end of the valve rod, which is positioned on the outer side above the valve body, a cylindrical threaded section is arranged at the upper end of the valve rod, a prism section is also arranged between the cylindrical threaded section and the valve rod, a fixing part is arranged at one end, which is close to the valve rod, of the handle, the upper end of the;
the fixing piece is provided with an upper round hole and a lower round hole, the diameter of the upper round hole is the same as that of the cylindrical thread section, the diameter of the lower round hole is larger than that of the upper round hole, a clamping mechanism is arranged in the lower round hole, and the clamping mechanism is connected with a locking adjusting rod arranged on the handle portion through a traction rope.
In the preferred scheme, the handle be equipped with first through-hole at handle portion, the articulated setting in first through-hole of pivot is adjusted in locking, all is equipped with an otic placode on the both sides position of the hinged end of locking regulation pole, is equipped with the horizon bar between two otic placodes, and the haulage rope one end winding that is connected with the locking regulation pole sets up on the horizon bar.
In a preferable scheme, a horizontal second through hole is formed in the end wall of one end of the first through hole, and the traction rope penetrates through the second through hole.
In a preferable scheme, a guide wheel is arranged in the second through hole, and the traction rope is in contact with the guide wheel.
In the preferred scheme, the handle be close to one of valve rod and serve and still be equipped with the third through-hole, the diameter of third through-hole is greater than the diameter of cylinder screw thread section, is less than the diameter of valve rod, the fixed setting in third through-hole top, and last round hole in the mounting, lower round hole and the coaxial setting of third through-hole.
In the preferred scheme, the clamping mechanism comprises a clamping plate and a hinge mechanism, and the hinge mechanism is arranged on the inner side wall of the lower round hole.
In the preferred scheme, the hinge mechanism comprises two flat plates positioned in the same vertical direction, a vertical sleeve is arranged between the two flat plates, a through hole is formed in the side wall of the sleeve, a fixed shaft is arranged on the end wall of one end of the clamping plate, a connecting piece between the fixed shaft and the clamping plate penetrates through the through hole in the side wall of the sleeve, and a torsion spring is further arranged between the fixed shaft and the sleeve.
In a preferred scheme, the cross section of the prism section is a regular hexagon, and the cross section size of an area formed by the two clamping plates in a clamping state is the same as that of the prism section.
The ball valve provided by the invention has the following beneficial effects by adopting the structure:
(1) when the opening and closing state of the ball valve needs to be changed, the handle needs to be rotated after the retracting adjusting rod needs to be manually pressed and pinched down, so that the change of the opening and closing state of the ball valve caused by the rotation of the handle in a mistaken touch state can be avoided;
(2) when the mistake touched, the handle can take place to rotate, nevertheless can not drive valve rod and spheroid and rotate together, consequently takes place the mistake and touches afterwards, and the fluid state in the pipeline can not change, has avoided the emergence of incident.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the handle of the present invention.
Fig. 3 is a schematic perspective view of the handle of the present invention.
Fig. 4 is a schematic view of the fixing member of the present invention.
FIG. 5 is a schematic structural diagram of a clamping mechanism according to the present invention.
Fig. 6 is a schematic structural view of the hinge mechanism of the present invention.
Fig. 7 is a schematic structural view of the sleeve of the present invention in a state of being connected to a fixed shaft.
Fig. 8 is a schematic view of the upper end structure of the valve stem of the present invention.
Fig. 9 is a schematic top view of the clamping mechanism of the present invention in an expanded state.
Fig. 10 is a schematic top view of the clamping mechanism of the present invention in a clamped state.
In the figure: the valve body 1, spheroid 2, valve rod 3, handle 4, mounting 5, first through-hole 6, locking adjusting rod 7, pivot 8, second through-hole 9, haulage rope 10, leading wheel 11, stop nut 12, otic placode 13, horizon bar 14, third through-hole 15, cylinder screw thread section 16, prismatic section 17, go up round hole 18, lower round hole 19, fixture 20, splint 21, hinge mechanisms 22, dull and stereotyped 23, sleeve 24, fixed axle 25, torsion spring 26.
Detailed Description
As shown in fig. 1-10, a ball valve comprises a valve body 1, a ball body 2 is arranged in the valve body 1, a valve rod 3 is arranged on the ball body 2, the upper end of the valve rod 3 passes through the valve body 1 and extends to the outer side above the valve body 1, a handle 4 is arranged at one end of the valve rod 3 positioned on the outer side above the valve body 1, a cylindrical thread section 16 is arranged at the upper end of the valve rod 3, a prism section 17 is further arranged between the cylindrical thread section 16 and the valve rod 3, a fixing part 5 is arranged at one end of the handle 4 close to the valve rod 3, the upper end of the valve rod 3 passes through one end of the handle 4;
the fixing piece 5 is provided with an upper round hole 18 and a lower round hole 19, the diameter of the upper round hole 18 is the same as that of the cylindrical thread section 16, the diameter of the lower round hole 19 is larger than that of the upper round hole 18, a clamping mechanism 20 is arranged in the lower round hole 19, and the clamping mechanism 20 is connected with a locking adjusting rod 7 arranged on the handle part of the handle 4 through a traction rope 10.
In the preferred scheme, the handle 4 be equipped with first through-hole 6 at handle portion, 7 one ends of locking regulation pole are articulated through pivot 8 and are set up in first through-hole 6, all be equipped with an otic placode 13 on the both sides position of the hinged end of locking regulation pole 7, be equipped with horizontal pole 14 between two otic placodes 13, the setting on horizontal pole 14 of the winding of haulage rope 10 one end of being connected with locking regulation pole 7.
In a preferable scheme, a horizontal second through hole 9 is arranged on an end wall at one end of the first through hole 6, and the traction rope 10 is arranged by penetrating through the second through hole 9.
In a preferable scheme, a guide wheel 11 is arranged in the second through hole 9, and the traction rope 10 is arranged in contact with the guide wheel 11.
In the preferred scheme, the handle 4 still is equipped with the third through hole 15 on being close to the one end of valve rod 3, the diameter of third through hole 15 is greater than the diameter of cylindrical screw section 16, is less than the diameter of valve rod 3, and the mounting 5 is fixed to be set up above third through hole 15, and last round hole 18, lower round hole 19 in the mounting 5 set up with the axle center with third through hole 15.
In a preferred embodiment, the clamping mechanism 20 includes a clamping plate 21 and a hinge mechanism 22, and the hinge mechanism 22 is disposed on an inner side wall of the lower circular hole 19.
In a preferred scheme, the hinge mechanism 22 comprises two flat plates 23 located in the same vertical direction, a vertical sleeve 24 is arranged between the two flat plates 23, a through hole is formed in the side wall of the sleeve 24, a fixing shaft 25 is arranged on the end wall of one end of the clamping plate 21, a connecting piece between the fixing shaft 25 and the clamping plate 21 penetrates through the through hole in the side wall of the sleeve 24, and a torsion spring 26 is further arranged between the fixing shaft 25 and the sleeve 24.
In a preferred embodiment, the cross section of the prism section 17 is a regular hexagon, and the cross-sectional dimension of the area formed by the two clamping plates 21 in the clamped state is the same as the cross-sectional dimension of the prism section 17.
By adopting the structure, when the opening and closing state of the ball valve needs to be changed, the handle needs to be rotated after the retracting adjusting rod needs to be pressed and pinched down manually, so that the change of the opening and closing state of the ball valve caused by the rotation of the handle in a false touch state can be avoided; when the mistake touched, the handle can take place to rotate, nevertheless can not drive valve rod and spheroid and rotate together, consequently takes place the mistake and touches afterwards, and the fluid state in the pipeline can not change, has avoided the emergence of incident.

Claims (8)

1. The utility model provides a ball valve, includes valve body (1), is equipped with spheroid (2) in valve body (1), is equipped with valve rod (3) on spheroid (2), and valve rod (3) upper end is passed valve body (1) and is extended to valve body (1) top outside, and valve rod (3) that are located the valve body (1) top outside serve and be equipped with handle (4), characterized by: a cylindrical thread section (16) is arranged at the upper end of the valve rod (3), a prism section (17) is further arranged between the cylindrical thread section (16) and the valve rod (3), a fixing part (5) is arranged at one end, close to the valve rod (3), of the handle (4), the upper end of the valve rod (3) penetrates through one end of the handle (4) and the fixing part (5) to be arranged, and a limiting nut (12) is connected to the cylindrical thread section (16) through threads;
the fixing piece (5) is provided with an upper round hole (18) and a lower round hole (19), the diameter of the upper round hole (18) is the same as that of the cylindrical thread section (16), the diameter of the lower round hole (19) is larger than that of the upper round hole (18), a clamping mechanism (20) is arranged in the lower round hole (19), and the clamping mechanism (20) is connected with a locking adjusting rod (7) arranged on the handle part of the handle (4) through a traction rope (10).
2. A ball valve according to claim 1, wherein: handle (4) be equipped with first through-hole (6) at handle portion, locking regulation pole (7) one end is articulated to be set up in first through-hole (6) through pivot (8), all be equipped with one otic placode (13) on the both sides position of the hinged end of locking regulation pole (7), be equipped with horizon bar (14) between two otic placodes (13), haulage rope (10) one end winding that are connected with locking regulation pole (7) sets up on horizon bar (14).
3. A ball valve according to claim 2, wherein: the end wall of one end of the first through hole (6) is provided with a horizontal second through hole (9), and the traction rope (10) penetrates through the second through hole (9).
4. A ball valve according to claim 3, wherein: a guide wheel (11) is arranged in the second through hole (9), and the traction rope (10) is in contact with the guide wheel (11).
5. A ball valve according to claim 1, wherein: handle (4) be close to one of valve rod (3) on still be equipped with third through-hole (15), the diameter of third through-hole (15) is greater than the diameter of cylinder screw thread section (16), is less than the diameter of valve rod (3), fixed the setting in third through-hole (15) top is fixed in mounting (5), and last round hole (18), lower round hole (19) in mounting (5) set up with the axle center with third through-hole (15).
6. A ball valve according to claim 1, wherein: the clamping mechanism (20) comprises a clamping plate (21) and a hinge mechanism (22), and the hinge mechanism (22) is arranged on the inner side wall of the lower round hole (19).
7. A ball valve according to claim 6, wherein: the hinge mechanism (22) comprises two flat plates (23) located on the same vertical direction, a vertical sleeve (24) is arranged between the two flat plates (23), a through hole is formed in the side wall of the sleeve (24), a fixing shaft (25) is arranged on the end wall of one end of the clamping plate (21), a connecting piece between the fixing shaft (25) and the clamping plate (21) penetrates through the through hole in the side wall of the sleeve (24), and a torsion spring (26) is further arranged between the fixing shaft (25) and the sleeve (24).
8. A ball valve according to claim 6, wherein: the cross section of the prism section (17) is a regular hexagon, and the cross section size of an area formed by the two clamping plates (21) in a clamping state is the same as that of the prism section (17).
CN201811543034.XA 2018-12-17 2018-12-17 Ball valve Pending CN111322423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811543034.XA CN111322423A (en) 2018-12-17 2018-12-17 Ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811543034.XA CN111322423A (en) 2018-12-17 2018-12-17 Ball valve

Publications (1)

Publication Number Publication Date
CN111322423A true CN111322423A (en) 2020-06-23

Family

ID=71168549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811543034.XA Pending CN111322423A (en) 2018-12-17 2018-12-17 Ball valve

Country Status (1)

Country Link
CN (1) CN111322423A (en)

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PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200623