CN111577921A - Anti-theft ball valve - Google Patents
Anti-theft ball valve Download PDFInfo
- Publication number
- CN111577921A CN111577921A CN202010417239.4A CN202010417239A CN111577921A CN 111577921 A CN111577921 A CN 111577921A CN 202010417239 A CN202010417239 A CN 202010417239A CN 111577921 A CN111577921 A CN 111577921A
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- Prior art keywords
- control
- hole
- valve
- ball
- connecting hole
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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
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Abstract
The invention belongs to the technical field of pipeline valves, and discloses an anti-theft ball valve which comprises a valve body, a valve ball, a driving shaft, a control rod, a control wheel and a control panel; the driving shaft is connected with the valve ball, and the valve body is provided with a control hole, a first connecting hole and a second connecting hole; the control rod is positioned in the control hole, can reciprocate and divides the control hole into a left control hole and a right control hole; the control wheel is sleeved and fixed on the driving shaft and is connected with the control rod to form synchronous motion; the control plate is provided with a control hole, and the control plate and the valve body form movable connection and can move relatively; one end of the first connecting hole is communicated with the left control hole, and the other end of the first connecting hole is selectively communicated with the control hole; one end of the second connecting hole is communicated with the right control hole, and the other end of the second connecting hole is selectively communicated with the control hole; the right control hole, the left control hole, the first connecting hole and the second connecting hole are filled with incompressible media. The anti-theft ball valve is simple in structure and convenient to operate and use.
Description
Technical Field
The invention belongs to the technical field of pipeline valves, and particularly relates to an anti-theft ball valve.
Background
Ball valves are widely used in oil field well heads, oil tanks, gathering and transportation stations, oil and gas pipeline systems and petrochemical industries, and people usually control the flow of liquid and gas by arranging valves such as ball valves, and most of the ball valves can be opened and closed freely. However, there are regulatory requirements that prevent a ball valve from opening and closing at will, such as a pipe line gate, and a locking device is required to be arranged on the ball valve to prevent others from opening the valve to steal oil and gas. In order to achieve the anti-theft effect, various anti-theft ball valves appear in the market, and some anti-theft ball valves are complex in structure and inconvenient to use; some anti-theft ball valves have simple structures and poor anti-theft effects.
In the patent of chinese utility model with patent grant publication No. CN202469200U, a locking anti-theft ball valve is disclosed. The anti-theft ball valve comprises a lock sleeve, wherein the lock sleeve is positioned between a valve rod support and a valve rod and is fixed on the circumferential inner side wall of the valve rod support through a fixing pin, a locking device controlled by a key is further arranged between the lock sleeve and the valve rod, and the locking device is complex in structure and comprises a shifting pin, a locking pin and a telescopic spring. When the anti-theft ball valve is used, a manager controls the locking of the ball valve through the key, and the key is collected when the anti-theft ball valve is not used, so that the anti-theft effect is achieved. However, the anti-theft ball valve is not only complex in structure, but also is not easy to open when a key is lost in the using process, which brings trouble to users.
Disclosure of Invention
In order to solve the problems of the existing anti-theft ball valve, the invention provides an anti-theft ball valve. The anti-theft ball valve comprises a valve body, a valve ball, a driving shaft, a control rod, a control wheel and a control panel; the valve body is provided with a flow inlet and a flow outlet, and the valve ball is positioned in the valve body and is provided with a through flow hole; the driving shaft is connected with the valve ball so as to drive the valve ball to rotate to control the on-off of the through flow hole and the flow inlet and the flow outlet;
the valve body is provided with a control hole, a first connecting hole and a second connecting hole; the control rod is positioned in the control hole, can reciprocate and divides the control hole into a left control hole and a right control hole; the control wheel is sleeved and fixed on the driving shaft and is connected with the control rod to form synchronous motion; the control plate is provided with a through hole, and the control plate and the valve body are movably connected and can move relatively; one end of the first connecting hole is communicated with the left control hole, and the other end of the first connecting hole is selectively communicated with the through hole; one end of the second connecting hole is communicated with the right control hole, and the other end of the second connecting hole is selectively communicated with the through hole; the right control hole, the left control hole, the first connection hole and the second connection hole are filled with incompressible media.
Preferably, the control hole is of a straight hole structure, the control rod is of a rack structure, the control wheel is of a gear structure, and the control rod and the control wheel form tooth meshing.
Preferably, the control hole adopts a fan-shaped structure, the control rod adopts a flat plate, the control wheel adopts a lantern ring structure, the outer circumferential surface of the control wheel is provided with a slot which is connected with the control rod in an inserting manner, and the slot and the control rod form fixed connection along the circumferential direction.
Preferably, the control plate is a strip-shaped plate and is in plug-in connection with the valve body along the length direction of the control plate,
preferably, the control panel adopts a turntable structure and is in rotary connection with the valve body; the through hole is eccentrically arranged, the first connecting hole and the second connecting hole are coaxially arranged, and the through hole is communicated or disconnected with the first connecting hole and the second connecting hole along with the rotation of the control plate.
Further preferably, the outer circumferential surface of the control plate is provided with scales, and the valve body is provided with a mark line.
Preferably, the valve body is provided with a plurality of control plates, and the control plates are coaxially attached and arranged between the first connecting hole and the second connecting hole.
Preferably, the anti-theft ball valve further comprises a handle; the handle is fixedly connected with the driving shaft so as to drive the driving shaft to perform reciprocating rotation in the circumferential direction.
Preferably, the anti-theft ball valve further comprises two valve seats; the two valve seats are respectively fixed at the positions of the inflow port and the outflow port and form contact sealing with the outer circumferential surface of the valve ball.
Further preferably, the valve seat is in threaded connection with the valve body.
Compared with the anti-theft ball valve with the existing structure, the anti-theft ball valve has the following beneficial technical effects:
1. in the invention, a control hole is arranged on the valve body, a control rod is arranged in the control hole, a control wheel is arranged on a driving shaft connected with the valve ball and forms synchronous motion connection with the control rod, a control plate is arranged to control the on-off of a left control cavity and a right control cavity at two ends of the control rod, and the control hole is filled with incompressible media. At the moment, the control of the on-off relation between the left control cavity and the right control cavity through the control panel can control whether the control rod can do reciprocating motion in the control cavity or not, so that whether the drive shaft can drive the ball valve to rotate or not is controlled through the control wheel, and the operation locking control of the anti-theft ball valve is realized. Therefore, the anti-theft ball valve can be locked and unlocked only by controlling the on-off relation between the left control cavity and the right control cavity, and a complex structure locking device consisting of a displacement pin, a locking pin and a telescopic spring used in the existing anti-theft ball valve is omitted, so that the structure of the whole anti-theft ball valve is simplified, the volume size of the anti-theft ball valve is reduced, and the manufacturing cost is reduced.
2. In the invention, the valve body is provided with the first connecting hole, the second connecting hole and the control plate, the first connecting hole is communicated with the left control cavity, the second connecting hole is communicated with the right control cavity, and the control plate is positioned between the first connecting hole and the second connecting hole and can move relative to the valve body. At the moment, the on-off between the first connecting hole and the second connecting hole can be controlled through the action of the control plate, so that the action of the control rod in the control hole is controlled, and the control of driving the valve ball to rotate by the driving shaft is realized. Like this, just can replace the use to the key in the current theftproof ball valve through the control to the control panel, avoided the key to lose and can't to the problem of ball valve operation to improve the simple operation nature and the flexibility of this theftproof ball valve greatly.
Drawings
FIG. 1 is a schematic structural diagram of the anti-theft ball valve of the present embodiment in a closed and locked state;
FIG. 2 is a schematic structural view of a cross section taken along the line A-A in FIG. 1;
FIG. 3 is a schematic structural diagram of the anti-theft ball valve of the present embodiment in an opened and unlocked state;
fig. 4 is a schematic structural view of a cross section in the direction of a-a in fig. 3.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 4, the antitheft ball valve of the present embodiment includes a valve body 1, a valve ball 2, a drive shaft 3, a control lever 4, a control wheel 5, and a first control plate 61, a second control plate 62, and a third control plate 63.
The valve body 1 is provided with a flow inlet 11 and a flow outlet 12 which are connected with an external pipeline. The ball 2 is located inside the valve body 1 between the inlet 11 and the outlet 12 and is provided with a through-flow opening 21. One end of the driving shaft 3 extends to the inside of the valve body 1 and is fixedly connected with the valve ball 2, and the other end is positioned outside the valve body 1 and is fixedly connected with the handle 7. At this time, the handle 7 can drive the driving shaft 3 to rotate in the circumferential direction relative to the valve body 1, so as to drive the valve ball 2 to rotate synchronously, and control the on-off between the through-flow hole 21 and the inlet 11 and the outlet 12.
A control opening 13, a first connection opening 14 and a second connection opening 15 are also provided in the valve body 1. Wherein, control hole 13 is straight hole structure form, and control rod 4 adopts rack structure form and is located control hole 13 and can carry out reciprocal linear motion, and control rod 4 divides control hole 13 into left control hole 131 and right control hole 132 that do not directly communicate each other simultaneously. The control wheel 5 is in a gear structure form and is sleeved and fixed on the driving shaft 3, and the control wheel 5 and the control rod 4 form synchronous motion in a tooth-meshed connection mode.
The first control plate 61, the second control plate 62 and the third control plate 63 all adopt a turntable structure form, and the three control plates are sequentially arranged in an abutting mode and are connected with the valve body 1 in an independently rotatable mode. The three control plates are respectively provided with a first through hole 611, a second through hole 621 and a third through hole 631, wherein the three through holes are respectively arranged on the corresponding control plates in an eccentric manner, and can be communicated or staggered with the rotation of the three control plates, namely, the first through hole 611, the second through hole 621 and the third through hole 631 are sequentially communicated. One end of the first connection hole 14 communicates with the left control chamber 131, and the other end thereof is in selective communication with the first through hole 611 on the first control plate 61. One end of the second connection hole 15 communicates with the right control chamber 132, and the other end thereof selectively communicates with the third through hole 631 of the third control plate 63. Meanwhile, the left control chamber 131, the right control chamber 132, the first connection hole 14 and the second connection hole 15 are filled with an incompressible medium, such as hydraulic oil.
When the first control plate, the second control plate and the third control plate rotate to the first through hole, the second through hole and the third through hole to be communicated with each other, and the first through hole is communicated with the first connecting hole and the third through hole is communicated with the second connecting hole, the left control cavity and the right control cavity are in a communicated relation, so that hydraulic oil can freely flow between the left control cavity and the right control cavity. At the moment, in the process of driving the driving shaft to rotate in the circumferential direction through the handle, hydraulic oil freely circulates between the left control cavity and the right control cavity, so that the control rod can freely reciprocate along the control hole under the driving of the control wheel, the driving shaft can drive the valve ball to freely rotate, on-off control between the inflow opening and the outflow opening is formed, and unlocking free control operation of the ball valve is realized.
When the first control plate, the second control plate and the third control plate rotate to the first through hole, the second through hole and the third through hole are in a non-communicated relation, or the first through hole is not communicated with the first connecting hole, or the third through hole is not communicated with the second connecting hole, the left control cavity and the right control cavity are in a disconnected relation, and therefore hydraulic oil is blocked in the left control cavity and the right control cavity respectively. At the moment, in the process of driving the driving shaft to rotate in the circumferential direction through the handle, because the hydraulic oil in the left control cavity and the hydraulic oil in the right control cavity can form reaction force in the movement direction on the control rod, the control rod cannot reciprocate in a static state in the control hole, and therefore the control wheel cannot rotate, the purpose of limiting the rotation of the driving shaft is achieved, namely the driving shaft is limited to drive the valve ball to rotate, and finally the effect of locking and controlling the ball valve is obtained.
Preferably, the first control plate, the second control plate and the third control plate of the present embodiment are respectively provided with scales distributed along the respective circumferential directions, such as numerical scales or letter scales, and the valve body is provided with a mark line. Therefore, the communication relation among the first control hole, the second control hole and the third control hole can be accurately controlled by adjusting the scale relation among the first control plate, the second control plate and the third control plate, so that password control is formed, the use of a control key is omitted, and the flexibility and convenience of operation are improved.
In other embodiments, according to the use requirements of different working conditions, for example, the strictness degree of the operation control management of the anti-theft ball valve, the installation number of the control plates can be adjusted, and one control plate or more control plates can be used, so that different difficulty degrees of unlocking the anti-theft ball valve can be realized.
In addition, in other embodiments, the control plate may take other structural forms, such as an elongated plate structure, and form a plug-in connection with the valve body, which can be drawn back and forth along the length direction of the control plate. Like this, through the reciprocal pull operation to the control panel, also can change the break-make relation between through-hole and first connecting hole and the second connecting hole, reach whether can carry out reciprocating motion's control to the control lever in the control hole, and then realize the control effect to this ball valve operation locking and removal.
In addition, in other embodiments, the control hole may even be a fan-shaped structure, the control rod may be a flat plate structure corresponding to the control hole, the control wheel may be a collar structure, and the outer circumferential surface of the control wheel may be provided with a slot for axial insertion connection with the control rod to form a fixed connection therebetween along the circumferential direction. At the moment, in the process that the driving shaft rotates in a reciprocating mode in the circumferential direction, the control wheel of the lantern ring structure can drive the control rod of the flat plate structure to do reciprocating motion in the control hole of the fan-shaped structure, so that whether the control rod can rotate in the control hole in a reciprocating mode or not can be controlled by controlling the on-off of the first connecting hole and the second connecting hole, and therefore the locking and the releasing control of the operation of the ball valve are achieved.
In the present embodiment, as shown in fig. 1, the handle 7 is provided to connect the drive shaft 3 with the handle 7, so that the handle 7 can be used to control the valve ball 2 manually. Similarly, in other embodiments, the driving shaft may be controlled to rotate the valve ball by an electric driving method, for example, an output shaft of a motor is connected to the driving shaft.
As shown in fig. 1, the ball valve of the present embodiment further includes two valve seats 8. Wherein, two valve seats 8 are respectively fixed at the position of the inflow port 11 and the position of the outflow port 12 of the valve body 1, and the sealing parts at the end parts of the valve seats 8 form contact sealing with the outer circumferential surface of the valve ball 2. Therefore, the sealing effect between the valve ball and the valve body can be improved by the sealing piece at the end part of the valve seat, and the sealing reliability of the whole anti-theft ball valve is ensured.
In addition, in this embodiment, adopt threaded connection between valve seat and the valve body to can carry out quick assembly disassembly operation to the valve seat. Like this, carry out quick assembly disassembly and change after the wearing and tearing destruction appears in disk seat tip sealing member, guarantee whole theftproof ball valve's sealing reliability. Similarly, in other embodiments, the valve seat and the valve body may be connected by other detachable connection methods, such as flange connection or bolt connection.
As shown in fig. 1, the anti-theft ball valve of the present embodiment is further provided with a mounting plate 16 and a mounting block 17. Wherein, mounting panel 16 and valve body 1 adopt the threaded connection of dismantlement to carry out dismouting operation to valve ball 2, improve the convenience of making and maintaining the theftproof ball valve. The installation block 17 is detachably connected with the valve body 1, and the control hole 13 and the control rod 4 are uniformly distributed at the installation block 17, so that the control rod is convenient to disassemble and assemble, the processing precision of the control hole can be improved, and the sealing reliability between the control rod and the control hole is ensured.
Claims (10)
1. An anti-theft ball valve is characterized by comprising a valve body, a valve ball, a driving shaft, a control rod, a control wheel and a control panel; the valve body is provided with a flow inlet and a flow outlet, and the valve ball is positioned in the valve body and is provided with a through flow hole; the driving shaft is connected with the valve ball so as to drive the valve ball to rotate to control the on-off of the through flow hole and the flow inlet and the flow outlet;
the valve body is provided with a control hole, a first connecting hole and a second connecting hole; the control rod is positioned in the control hole, can reciprocate and divides the control hole into a left control hole and a right control hole; the control wheel is sleeved and fixed on the driving shaft and is connected with the control rod to form synchronous motion; the control plate is provided with a through hole, and the control plate and the valve body are movably connected and can move relatively; one end of the first connecting hole is communicated with the left control hole, and the other end of the first connecting hole is selectively communicated with the through hole; one end of the second connecting hole is communicated with the right control hole, and the other end of the second connecting hole is selectively communicated with the through hole; the right control hole, the left control hole, the first connection hole and the second connection hole are filled with incompressible media.
2. The anti-theft ball valve according to claim 1, wherein the control hole is of a straight hole structure, the control rod is of a rack structure, the control wheel is of a gear structure, and the control rod and the control wheel are in toothed engagement.
3. The anti-theft ball valve according to claim 1, wherein the control hole is of a fan-shaped structure, the control rod is of a flat plate, the control wheel is of a lantern ring structure, and the outer circumferential surface of the control wheel is provided with a slot for inserting connection with the control rod, so that the control wheel and the control rod form a fixed connection in the circumferential direction.
4. The anti-theft ball valve according to claim 1, wherein the control plate is an elongated plate and is in a plug-in connection with the valve body along a length direction of the control plate.
5. The anti-theft ball valve according to claim 1, wherein the control plate adopts a turntable structure and is in rotary connection with the valve body; the through hole is eccentrically arranged, the first connecting hole and the second connecting hole are coaxially arranged, and the through hole is communicated or disconnected with the first connecting hole and the second connecting hole along with the rotation of the control plate.
6. The anti-theft ball valve according to claim 5, wherein the control plate is provided with graduations on an outer circumferential surface thereof, and the valve body is provided with mark lines.
7. The anti-theft ball valve according to claim 6, wherein a plurality of control plates are disposed on the valve body and are coaxially arranged between the first connection hole and the second connection hole.
8. The anti-theft ball valve according to any one of claims 1 to 7, further comprising a handle; the handle is fixedly connected with the driving shaft so as to drive the driving shaft to perform reciprocating rotation in the circumferential direction.
9. The ball security valve according to any one of claims 1 to 7, further comprising two valve seats; the two valve seats are respectively fixed at the positions of the inflow port and the outflow port and form contact sealing with the outer circumferential surface of the valve ball.
10. The anti-theft ball valve of claim 9, wherein a threaded connection is used between the valve seat and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417239.4A CN111577921B (en) | 2020-05-18 | 2020-05-18 | Anti-theft ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417239.4A CN111577921B (en) | 2020-05-18 | 2020-05-18 | Anti-theft ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111577921A true CN111577921A (en) | 2020-08-25 |
| CN111577921B CN111577921B (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010417239.4A Active CN111577921B (en) | 2020-05-18 | 2020-05-18 | Anti-theft ball valve |
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| Country | Link |
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| CN (1) | CN111577921B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550597A (en) * | 2020-05-18 | 2020-08-18 | 邵玉强 | Ball valve |
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| US20140000322A1 (en) * | 2012-07-02 | 2014-01-02 | Donald S. Williams | Mobile lock with retractable cable |
| CN108087570A (en) * | 2017-12-18 | 2018-05-29 | 马奔 | A kind of application method of Automation Specialty adjustable valve |
| CN109236048A (en) * | 2018-09-20 | 2019-01-18 | 象山浩力信息科技有限公司 | A kind of door lock assembly |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5547039A (en) * | 1994-11-25 | 1996-08-20 | New Holland North America, Inc. | Security and safety interlocks for a loader |
| US20050087713A1 (en) * | 2003-08-28 | 2005-04-28 | Yoshiyuki Kawai | Valve opening-closing timing control device |
| WO2007147092A2 (en) * | 2006-06-16 | 2007-12-21 | Gm Global Technology Operations, Inc. | Adjustable hydraulic support cylinder |
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| CN102418797A (en) * | 2011-06-06 | 2012-04-18 | 白龙山 | High-performance aneroid/piston type ball valve |
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| US20140000322A1 (en) * | 2012-07-02 | 2014-01-02 | Donald S. Williams | Mobile lock with retractable cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550597A (en) * | 2020-05-18 | 2020-08-18 | 邵玉强 | Ball valve |
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| CN111577921B (en) | 2022-02-11 |
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Effective date of registration: 20220120 Address after: 323000 No. 251, Longqing Road, Shuige Industrial Park, Liandu District, Lishui City, Zhejiang Province Applicant after: FANGYUAN VALVE GROUP LISHUI CO.,LTD. Address before: 252300 West unit 402, building 2, xinyuanyuan community, Yanggu County, Liaocheng City, Shandong Province Applicant before: Wu Fang |
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