CN113639093B - Online maintenance ball valve - Google Patents
Online maintenance ball valve Download PDFInfo
- Publication number
- CN113639093B CN113639093B CN202110906573.0A CN202110906573A CN113639093B CN 113639093 B CN113639093 B CN 113639093B CN 202110906573 A CN202110906573 A CN 202110906573A CN 113639093 B CN113639093 B CN 113639093B
- Authority
- CN
- China
- Prior art keywords
- valve
- sliding seat
- working position
- ball
- seat
- 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.)
- Active
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
- F16K43/001—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve being actuated independently of the main valve
-
- 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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- 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
-
- 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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to an on-line maintenance ball valve, comprising: a valve body having an inner cavity, an inlet pipe and an outlet pipe communicating with the inner cavity; the valve rod is rotatably arranged on the valve body; the sliding seat is arranged in the inner cavity in a sliding way, the sliding seat can be switched between a first working position and a second working position by sliding, and when the sliding seat is in the second working position, the sliding seat can seal the inlet pipe and the outlet pipe; the valve ball is rotationally arranged on the sliding seat, and when the sliding seat is positioned at the second working position, the valve ball can be taken out from the valve body. The invention has the advantages that: the sliding seat is moved to the second working position from the first working position by rotating the push rod under the closing state of the ball valve, so that the valve ball moves to the trapezoid section, and then the valve ball can be replaced, and the valve ball can be maintained under the condition that the ball valve is not disassembled, so that the replacement is convenient and quick.
Description
Technical Field
The invention relates to the field of ball valves, in particular to an online maintenance ball valve.
Background
The ball valve is used as a valve, is fast, convenient and widely applied to the industrial fields of petroleum, chemical industry, power generation, papermaking, atomic energy, aviation, rocket and the like and the daily life of people in a compact and operating way, and generally comprises a valve body, a valve cover, a valve seat, a valve ball, a valve rod and an operating mechanism thereof, and the following problems can occur after the conventional ball valve is used for a long time:
1. only 1 valve ball is arranged in the valve body of the traditional ball valve, the valve ball is used as a main component for controlling fluid, the valve ball is most severely eroded and corroded by the fluid, and once the valve ball is eroded, the ball valve loses the function of controlling interception;
2. because the material of the sealing piece on the valve seat is generally made of fluoroplastic or nylon material, the sealing piece is easy to wear and leak when being matched with the valve ball;
3. the existing ball valve is required to be detached from the pipeline during maintenance and then to be maintained, and the ball valve is required to be reinstalled after the maintenance is finished, so that the process is tedious and troublesome, and a lot of manpower is consumed; and medium in the pipelines at the two ends can also flow out to pollute the working environment;
the present invention has been designed to solve the above problems.
Disclosure of Invention
Based on this, it is necessary to provide an on-line service ball valve that addresses the existing ball valve issues.
The invention discloses an online maintenance ball valve, which comprises: a valve body having an inner cavity, an inlet pipe and an outlet pipe communicating with the inner cavity; the valve rod is rotatably arranged on the valve body; the sliding seat is arranged in the inner cavity in a sliding way, the sliding seat can be switched between a first working position and a second working position by sliding, and when the sliding seat is in the second working position, the sliding seat can seal the inlet pipe and the outlet pipe; the valve ball is rotationally arranged on the sliding seat, when the sliding seat is positioned at a first working position, the valve ball can be connected with the valve rod, the valve rod can be rotated to control the on-off of the inlet pipe and the outlet pipe, and when the sliding seat is positioned at a second working position, the valve ball can be taken out from the valve body.
In one embodiment, the valve body is composed of a rectangular section and a trapezoid section, the inlet pipe and the outlet pipe are both connected to the rectangular section, the section of the trapezoid section is in an inverted trapezoid shape, the upper end of the trapezoid section is provided with an opening, when the sliding seat is in the first working position, the valve ball is located in the rectangular section, and when the sliding seat is in the second working position, the valve ball is located in the trapezoid section, so that the valve ball can be taken out.
In one embodiment, the upper end cover of the trapezoid section is provided with a sealing cover.
In one embodiment, the sliding seat is hinged with a first valve seat and a second valve seat, when the sliding seat is in a first working position, the first valve seat is matched with the inlet pipe, the second valve seat is matched with the outlet pipe, and when the sliding seat moves to a second working position, the first valve seat and the second valve seat can be attached to the side wall of the valve body through rotation.
In one embodiment, the sliding seat is provided with a first connecting groove and a second connecting groove, the first valve seat is provided with a first connecting shaft, the first connecting shaft stretches into the first connecting groove so as to be in rotary connection with the sliding seat, the second valve seat is provided with a second connecting shaft, and the second connecting shaft stretches into the second connecting groove so as to be in rotary connection with the sliding seat.
In one embodiment, the sliding seat is further provided with a first abutting component and a second abutting component, the first abutting component comprises a first elastic piece and a first abutting block, the first abutting block is slidably arranged on the sliding seat, one end of the first elastic piece abuts against the sliding seat, the other end of the first elastic piece abuts against the first abutting block, so that the first abutting block abuts against the first connecting shaft, the first connecting shaft is limited in the first connecting groove, the second abutting component comprises a second elastic piece and a second abutting block, the second abutting block is slidably arranged on the sliding seat, one end of the second elastic piece abuts against the sliding seat, the other end of the second elastic piece abuts against the second abutting block, and the second abutting block abuts against the second connecting shaft, so that the second connecting shaft is limited in the second connecting groove.
In one embodiment, a first slope is provided on a side of the first abutting block, which is close to the notch of the first connecting groove, and a second slope is provided on a side of the second abutting block, which is close to the notch of the second connecting groove.
In one embodiment, the trapezoid segment has a first excessive inclined plane and a second excessive inclined plane, and the first excessive inclined plane and the second excessive inclined plane are both located at the junction of the trapezoid segment and the rectangular segment, so that when the sliding seat moves from the second working position to the first working position, the first excessive inclined plane can enable the first valve seat to rotate to a vertical state, and the second excessive inclined plane can enable the second valve seat to rotate to a vertical state.
In one embodiment, the top of the valve ball is provided with a transverse slot, the lower end of the valve rod is provided with a connecting lug, the connecting lug can extend into the transverse slot, the valve rod can be rotated to drive the valve ball to rotate, and when the valve ball is in a closed state, the sliding seat can be moved to enable the connecting lug to move along the transverse slot.
In one embodiment, the valve body is threaded with a push rod, one end of the push rod is rotationally connected with the sliding seat, the push rod can drive the sliding seat to move from a first working position to a second working position through forward rotation, the push rod can drive the sliding seat to move from the second working position to the first working position through reverse rotation, and one end of the push rod, which is far away from the sliding seat, is provided with a handle.
The invention has the advantages that:
1. the sliding seat is moved from the first working position to the second working position by rotating the push rod under the closing state of the ball valve, so that the valve ball moves to the trapezoid section, the valve ball can be replaced, the valve ball can be maintained under the condition that the ball valve is not disassembled, and the replacement is convenient and quick;
2. the valve seat is hinged with the sliding seat through the abutting component and the connecting groove, and after the sliding seat is moved from the first working position to the second working position through the push rod, the valve seat can be quickly disassembled through the pressing operation, and a new valve seat can be quickly replaced, so that quick maintenance and online maintenance are completed;
3. after the sliding seat moves from the first working position to the second working position, the sliding seat can seal the inlet pipe and the outlet pipe, so that the valve ball can be replaced on line.
Drawings
FIG. 1 is a cross-sectional view of an on-line service ball valve provided by the present invention, with the ball in a closed position;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged partial view of area I of FIG. 1 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along the direction C-C in FIG. 2 in accordance with the present invention;
fig. 6 is a three-dimensional view of a first valve seat of the present invention.
In the figure, a valve body 1, a rectangular section 11, an inlet pipe 111, an outlet pipe 112, a trapezoid section 12, a sealing cover 121, a first excessive inclined surface 122, a second excessive inclined surface 123, an inner cavity 13, a valve rod 2, a connection projection 21, a sliding seat 3, a first valve seat 31, a first connection shaft 311, a second valve seat 32, a second connection shaft 321, a first connection groove 33, a second connection groove 34, a first elastic member 351, a first abutting block 352, a first sloping surface 353, a second elastic member 361, a second abutting block 362, a second sloping surface 363, a valve ball 4, a transverse groove 41, a push rod 5, and a handle 51.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 3, the present invention discloses an on-line maintenance ball valve, which includes: a valve body 1 having an inner cavity 13, an inlet pipe 111 and an outlet pipe 112 communicating with the inner cavity 13; the valve rod 2 is rotatably arranged at the upper end of the valve body 1; the sliding seat 3 is slidably arranged in the inner cavity 13, the sliding seat 3 can be switched between a first working position and a second working position by sliding, and when the sliding seat 3 is in the second working position, the sliding seat 3 can seal the inlet pipe 111 and the outlet pipe 112; the valve ball 4 is rotatably arranged on the sliding seat 3, when the sliding seat 3 is positioned at a first working position, the valve ball 4 can be connected with the valve rod 2, the valve rod 2 can be rotated to control the on-off of the inlet pipe 111 and the outlet pipe 112, and when the sliding seat 3 is positioned at a second working position, the valve ball 4 can be taken out from the valve body 1.
It will be appreciated that the sliding seat 3 is adapted to move the valve ball 4 and is capable of closing the inlet tube 111 and the outlet tube 112 when the valve ball 4 moves out of the operating position.
Preferably, as shown in fig. 2 and 3, the valve body 1 is composed of a rectangular section 11 and a trapezoid section 12, the inlet pipe 111 and the outlet pipe 112 are both connected to the rectangular section 11, as shown in fig. 3, the trapezoid section 12 has an inverted trapezoid cross section, and an opening at the upper end is provided, when the sliding seat 3 is in the first working position, the valve ball 4 is located in the rectangular section 11, and when the sliding seat 3 is in the second working position, the valve ball 4 is located in the trapezoid section 12, so that the valve ball 4 can be taken out.
Preferably, the upper end cover of the trapezoid segment 12 is provided with a sealing cover 121.
Preferably, the sliding seat 3 is hinged with a first valve seat 31 and a second valve seat 32, when the sliding seat is in a first working position, the first valve seat 31 is matched with the inlet pipe 111, the second valve seat 32 is matched with the outlet pipe 112, and when the sliding seat 3 moves to a second working position, the first valve seat 31 and the second valve seat 32 can be attached to the side wall of the valve body 1 through rotation.
It should be noted that in the present embodiment, the first valve seat 31 and the second valve seat 32 have the same structure.
It will be appreciated that the first valve seat 31 and the second valve seat 32 are both provided with through holes, when the sliding seat is in the first working position, the through holes of the first valve seat 31 correspond to the inlet pipe 111, and the through holes of the second valve seat 32 correspond to the outlet pipe 112.
Preferably, as shown in fig. 4, the sliding seat 3 is provided with a first connecting groove 33 and a second connecting groove 34, the first valve seat 31 is provided with a first connecting shaft 311, the first connecting shaft 311 extends into the first connecting groove 33 to be rotatably connected with the sliding seat 3, the second valve seat 32 is provided with a second connecting shaft 321, and the second connecting shaft 321 extends into the second connecting groove 34 to be rotatably connected with the sliding seat 3.
Preferably, the sliding seat 3 is further provided with a first abutting component and a second abutting component, the first abutting component includes a first elastic member 351 and a first abutting block 352, the first abutting block 352 is slidably disposed on the sliding seat 3, one end of the first elastic member 351 abuts against the sliding seat 3, the other end abuts against the first abutting block 352, so that the first abutting block 352 abuts against the first connecting shaft 311, the first connecting shaft 311 is further limited in the first connecting groove 33, the second abutting component includes a second elastic member 361 and a second abutting block 362, the second abutting block 362 is slidably disposed on the sliding seat 3, one end of the second elastic member 361 abuts against the sliding seat 3, the other end abuts against the second abutting block 362, so that the second abutting block 362 abuts against the second connecting shaft 321, and the second connecting shaft 321 is further limited in the second connecting groove 34.
It will be appreciated that the arrangement is such that the first valve seat 31 and the second valve seat 32 are detachable, in particular, the first valve seat 31 is pressed downwards, the first connecting shaft 311 is moved along the first connecting groove 33 and presses the first abutment assembly, so that the first connecting shaft 311 can be separated from the first connecting groove 33, and the second valve seat 32 is pressed downwards, the second connecting shaft 321 is moved along the second connecting groove 34 and presses the second abutment assembly, so that the second connecting shaft 321 can be separated from the second connecting groove 34.
Preferably, a first slope 353 is provided on the first abutment block 352 at a side close to the notch of the first connection groove 33, and a second slope 363 is provided on the second abutment block 362 at a side close to the notch of the second connection groove 34.
Preferably, the trapezoid segment 12 has a first excessive inclined plane 122 and a second excessive inclined plane 123, and the first excessive inclined plane 122 and the second excessive inclined plane 123 are both located at the junction of the trapezoid segment 12 and the rectangular segment 11, so that when the sliding seat 3 moves from the second working position to the first working position, the first excessive inclined plane 122 can rotate the first valve seat 31 to the vertical state, and the second excessive inclined plane 123 can rotate the second valve seat 32 to the vertical state.
Preferably, the top of the valve ball 4 is provided with a transverse slot 41, the lower end of the valve rod 2 is provided with a connecting lug 21, the connecting lug 21 can extend into the transverse slot 41, the valve rod 2 can be rotated to drive the valve ball 4 to rotate, and when the valve ball 4 is in a closed state, the sliding seat 3 can be moved to enable the connecting lug 21 to move along the transverse slot 41.
As shown in fig. 1 and 2, the connecting protrusion 21 extends into the transverse groove 41, when the valve ball 4 is in an open state, the transverse groove 41 is perpendicular to the moving direction of the sliding seat 3, so that the sliding seat 3 is limited and cannot move, and when the valve ball 4 rotates by 90 degrees, the transverse groove 41 is parallel to the moving direction of the sliding seat 3, the sliding seat 3 can drive the valve ball 4 to move.
Preferably, the valve body 1 is threaded with a push rod 5, one end of the push rod 5 is rotationally connected with the sliding seat 3, the push rod 5 can drive the sliding seat 3 to move from a first working position to a second working position through forward rotation, and the push rod 5 can drive the sliding seat 3 to move from the second working position to the first working position through reverse rotation.
Preferably, a handle 51 is provided at an end of the push rod 5 remote from the sliding seat 3.
The working mode of the invention is as follows: as shown in fig. 1, 2 and 5, the ball valve is in a closed state, and the valve rod 2 is rotated to drive the valve ball 4 to rotate, so that the on-off of the ball valve is controlled.
When the valve ball 4 or the valve seat needs to be replaced, as shown in fig. 2, the push rod 5 is driven to rotate forward through the forward rotating handle 51, the sliding seat 3 can be driven to move leftwards, so that the valve ball 4, the first valve seat 31 and the second valve seat 32 are driven to move leftwards synchronously, namely, the sliding seat 3 moves from the first working position to the second working position, at the moment, the valve moving seat 3 can seal the inlet pipe 111 and the outlet pipe 112, the valve ball 4 is in the trapezoid section 12, the first valve seat 31 and the second valve seat 32 rotate, the valve seat is obliquely attached to the side wall of the valve body 1, and the valve ball 4 can be easily taken out by opening the sealing cover 121.
If the first valve seat 31 or the second valve seat 32 needs to be removed, referring to fig. 4, the first valve seat 31 or the second valve seat 32 needs to be removed only by pressing the first valve seat 31 or the second valve seat 32 downwards, and then removing the first connecting groove 33 or the second connecting groove 34 along the horizontal direction, and when the first valve seat 31 or the second valve seat 32 needs to be reinstalled, the first connecting shaft 311 or the second connecting shaft 321 can be installed by moving inwards from the notch of the first connecting groove 33 or the notch of the second connecting groove 34.
It should be noted that, when the valve ball 4 needs to be mounted, the transverse groove 41 of the valve ball 4 needs to be aligned with the moving direction of the sliding seat 3, so that the connection protrusion 21 can be smoothly engaged into the transverse groove 41 when the sliding seat 3 moves from the second working position to the first working position.
When the sliding seat 3 moves from the second working position to the first working position, the first valve seat 31 moves along the first slope 353, rotates to the vertical state, and the second valve seat 32 moves along the second slope 363, rotates to the vertical state.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. An on-line service ball valve, characterized in that the on-line service ball valve comprises:
a valve body having an inner cavity, an inlet pipe and an outlet pipe communicating with the inner cavity;
the valve rod is rotatably arranged on the valve body;
the sliding seat is arranged in the inner cavity in a sliding way, the sliding seat can be switched between a first working position and a second working position by sliding, and when the sliding seat is in the second working position, the sliding seat can seal the inlet pipe and the outlet pipe;
the valve ball is rotationally arranged on the sliding seat, when the sliding seat is positioned at a first working position, the valve ball can be connected with the valve rod, the valve rod can be rotated to control the on-off of the inlet pipe and the outlet pipe, and when the sliding seat is positioned at a second working position, the valve ball can be taken out from the valve body.
2. The on-line maintenance ball valve according to claim 1, wherein the valve body is composed of a rectangular section and a trapezoidal section, the inlet pipe and the outlet pipe are both connected to the rectangular section, the section of the trapezoidal section is in an inverted trapezoid shape, and an upper end opening is formed, when the sliding seat is in the first working position, the valve ball is located in the rectangular section, and when the sliding seat is in the second working position, the valve ball is located in the trapezoidal section, so that the valve ball can be taken out.
3. The on-line service ball valve of claim 2, wherein the trapezoid-section upper end cap is provided with a sealing cap.
4. The on-line service ball valve of claim 2, wherein the sliding seat is hinged with a first valve seat and a second valve seat, wherein when the sliding seat is in a first working position, the first valve seat is matched with the inlet pipe, the second valve seat is matched with the outlet pipe, and when the sliding seat moves to a second working position, the first valve seat and the second valve seat can be attached to the side wall of the valve body through rotation.
5. The on-line service ball valve of claim 4, wherein the sliding seat is provided with a first connecting groove and a second connecting groove, the first valve seat is provided with a first connecting shaft, the first connecting shaft extends into the first connecting groove so as to be rotationally connected with the sliding seat, the second valve seat is provided with a second connecting shaft, and the second connecting shaft extends into the second connecting groove so as to be rotationally connected with the sliding seat.
6. The on-line service ball valve of claim 5, wherein the sliding seat is further provided with a first abutting component and a second abutting component, the first abutting component comprises a first elastic member and a first abutting block, the first abutting block is slidably disposed on the sliding seat, one end of the first elastic member abuts against the sliding seat, the other end of the first elastic member abuts against the first abutting block, so that the first abutting block abuts against the first connecting shaft, the first connecting shaft is limited in the first connecting groove, the second abutting component comprises a second elastic member and a second abutting block, the second abutting block is slidably disposed on the sliding seat, one end of the second elastic member abuts against the sliding seat, the other end of the second elastic member abuts against the second abutting block, so that the second abutting block abuts against the second connecting shaft, and the second connecting shaft is limited in the second connecting groove.
7. The on-line service ball valve of claim 6, wherein a side of the first abutment block adjacent to the notch of the first attachment slot is provided with a first slope and a side of the second abutment block adjacent to the notch of the second attachment slot is provided with a second slope.
8. The in-line service ball valve of claim 4, wherein the trapezoid segment has a first excess incline and a second excess incline, both of which are located at the interface of the trapezoid segment and the rectangular segment, such that when the sliding seat moves from the second working position to the first working position, the first excess incline can rotate the first valve seat to a vertical state, and the second excess incline can rotate the second valve seat to a vertical state.
9. The on-line maintenance ball valve according to claim 1, wherein a transverse groove is provided at the top of the ball, a connection lug is provided at the lower end of the valve rod, the connection lug can extend into the transverse groove, the ball can be driven to rotate by rotating the valve rod, and when the ball is in a closed state, the connection lug can be moved along the transverse groove by moving the sliding seat.
10. The on-line maintenance ball valve of claim 1, wherein the valve body is threaded with a push rod, one end of the push rod is rotatably connected with the sliding seat, the push rod can be driven to move from the first working position to the second working position by rotating the push rod in the forward direction, the push rod can be driven to move from the second working position to the first working position by rotating the push rod in the reverse direction, and a handle is arranged at one end of the push rod far away from the sliding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906573.0A CN113639093B (en) | 2021-08-09 | 2021-08-09 | Online maintenance ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906573.0A CN113639093B (en) | 2021-08-09 | 2021-08-09 | Online maintenance ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113639093A CN113639093A (en) | 2021-11-12 |
| CN113639093B true CN113639093B (en) | 2023-09-29 |
Family
ID=78420117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110906573.0A Active CN113639093B (en) | 2021-08-09 | 2021-08-09 | Online maintenance ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113639093B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637421A (en) * | 1986-05-15 | 1987-01-20 | Stunkard Gerald A | In-line repairable top entry ball valve |
| EP1616668A1 (en) * | 2004-07-15 | 2006-01-18 | BAE Systems Ltd | Tool for assembling and dismantling valves |
| CN110701334A (en) * | 2019-10-11 | 2020-01-17 | 江苏圣泰阀门有限公司 | Novel soft sealing ball valve |
| CN210890134U (en) * | 2019-09-29 | 2020-06-30 | 浙江瑞邦控制阀门有限公司 | Butterfly valve capable of being maintained on line |
| CN111810665A (en) * | 2020-07-08 | 2020-10-23 | 东莞海特帕沃液压科技有限公司 | Ball valve with valve seat capable of being replaced online |
| CN112901815A (en) * | 2021-02-22 | 2021-06-04 | 游和平 | Ball valve convenient to maintain and maintenance method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2838638A1 (en) * | 2011-06-08 | 2012-12-13 | Bray International, Inc. | In-line repairable metal seated floating ball valve |
-
2021
- 2021-08-09 CN CN202110906573.0A patent/CN113639093B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637421A (en) * | 1986-05-15 | 1987-01-20 | Stunkard Gerald A | In-line repairable top entry ball valve |
| EP1616668A1 (en) * | 2004-07-15 | 2006-01-18 | BAE Systems Ltd | Tool for assembling and dismantling valves |
| CN210890134U (en) * | 2019-09-29 | 2020-06-30 | 浙江瑞邦控制阀门有限公司 | Butterfly valve capable of being maintained on line |
| CN110701334A (en) * | 2019-10-11 | 2020-01-17 | 江苏圣泰阀门有限公司 | Novel soft sealing ball valve |
| CN111810665A (en) * | 2020-07-08 | 2020-10-23 | 东莞海特帕沃液压科技有限公司 | Ball valve with valve seat capable of being replaced online |
| CN112901815A (en) * | 2021-02-22 | 2021-06-04 | 游和平 | Ball valve convenient to maintain and maintenance method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113639093A (en) | 2021-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111795172B (en) | Ball valve | |
| CN116006699B (en) | Butterfly valve capable of locking valve plate | |
| CN111706679A (en) | Self-cleaning stop valve | |
| CN111720557A (en) | Novel stop valve | |
| CN111720569A (en) | Flat gate valve | |
| CN113639093B (en) | Online maintenance ball valve | |
| CN111720572B (en) | Gate valve | |
| CN211039763U (en) | High-temperature high-pressure hard sealing ball valve | |
| CN111692371A (en) | Long-life ball valve | |
| CN111810665B (en) | Ball valve capable of changing valve seat on line | |
| CN111536253A (en) | Ball valve with long service life | |
| CN111677889B (en) | Low-friction long-life butterfly valve | |
| CN114935017A (en) | Industrial ball valve | |
| CN111765255B (en) | Long-life butterfly valve | |
| CN212028539U (en) | Anti-corrosion stop valve | |
| CN114542727A (en) | Industrial butterfly valve | |
| CN208793669U (en) | A kind of Fluid valve | |
| CN207297967U (en) | A kind of adjustable copper valve of double fluid | |
| CN111706693A (en) | Ball valve | |
| CN208982751U (en) | A kind of anti-leakage valve faucet | |
| CN113883294B (en) | Gate valve | |
| CN220566599U (en) | Three-plate butterfly valve | |
| CN111720620A (en) | Stop valve | |
| CN217381655U (en) | Extension bar zero-leakage pneumatic butterfly valve | |
| CN217381667U (en) | Special butterfly valve for desulfurization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Effective date of registration: 20230906 Address after: 242200 No.8, Nanyi Road, Guangde Economic Development Zone, Xuancheng City, Anhui Province Applicant after: Tomfield valve technology (Anhui) Co.,Ltd. Address before: 325102 Baolong valve industrial park, Oubei city new area, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: Lu Shiyu |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An online maintenance ball valve Granted publication date: 20230929 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: Tomfield valve technology (Anhui) Co.,Ltd. Registration number: Y2024980017949 |