CN112303251A - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN112303251A CN112303251A CN202011161230.8A CN202011161230A CN112303251A CN 112303251 A CN112303251 A CN 112303251A CN 202011161230 A CN202011161230 A CN 202011161230A CN 112303251 A CN112303251 A CN 112303251A
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- valve
- rod
- shaped
- positioning
- piece
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- 239000012530 fluid Substances 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- -1 petrifaction Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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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
- 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
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a stop valve, comprising: the valve body with set up in valve gap on the valve body middle part, be provided with import runner, lumen and export runner in the valve body, be located in the valve body the exit end of import runner is provided with the disk seat, set up on the disk seat with the fluid passage of import runner intercommunication each other, the stop valve still includes: the valve clack comprises a screw rod, a rotating sleeve, an adjusting rod, a T-shaped supporting piece, a first sliding block, a second sliding block, a first valve clack assembly and a second valve clack assembly, wherein the first valve clack assembly and the second valve clack assembly can be switched to working positions by rotating the adjusting rod. The invention has the advantages that: through being provided with 2 valve clacks, can select different valve clacks to be in operating position through adjusting the pole, consequently when the valve clack that is in operating position appears damaging and causes the leakage, just can be in operating position through the shifter messenger new valve clack, compare prior art and improved one time life at least.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a stop valve.
Background
The stop valve is a valve with a valve clack moving along the central line of a valve seat and mainly plays a role in cutting off a pipeline. Because the friction force between the sealing surfaces is small, the opening height is small, the manufacturing cost is low and the like in the opening and closing process, the valve is widely applied to the fields of petroleum, petrifaction, chemical industry, metallurgy, electric power, water conservancy, urban construction, fire control, machinery, coal, food, ships, power stations, ocean engineering and the like. The existing stop valve has the following problems in the use process:
(1) when the valve clack is damaged to cause leakage, the whole pipeline or equipment needs to be stopped, the stop valve needs to be disassembled for maintenance or replacement, the production efficiency is influenced, in addition, the equipment is not allowed to be stopped under a plurality of working conditions, and once the equipment is stopped, the serious economic loss can be caused;
(2) when the valve port of the existing stop valve is opened, a medium flowing at a high speed can scour the valve clack, long-time scouring can cause damage to a sealing element of the valve clack, leakage is generated when the valve clack is closed, and the using effect and the service life of the stop valve are influenced.
Disclosure of Invention
Therefore, in order to solve the above problems, it is necessary to provide a stop valve which has a simple structure, can replace the valve flap of the stop valve on line without stopping the stop, and can prevent the valve flap from being washed by the medium.
The invention discloses a stop valve, which comprises: the valve body with set up in valve gap on the valve body middle part, be provided with import runner, lumen and export runner in the valve body, be located in the valve body the exit end of import runner is provided with the disk seat, set up on the disk seat with the fluid passage of import runner intercommunication each other, the stop valve still includes:
the screw rod is connected with the valve cover, can slide along the vertical direction and cannot rotate relative to the valve cover, and a threaded part is arranged on the screw rod;
the rotating sleeve is rotatably connected to the valve cover and is in threaded connection with the threaded part on the screw rod piece;
the adjusting rod penetrates through the middle of the screw rod piece and can rotate and slide along the vertical direction, and a connecting bulge is arranged at the lower end of the adjusting rod;
the T-shaped support piece is fixedly connected to the lower end of the screw rod piece and comprises a first support part extending along the vertical direction and a second support part extending along the horizontal direction, a first sliding groove and a second sliding groove are formed in the first support part in parallel along the vertical direction, and an arc-shaped sliding groove is formed in the second support part;
the first sliding block and the second sliding block are respectively arranged in the first sliding groove and the second sliding groove in a sliding manner and can be connected with the connecting bulge of the adjusting rod;
the first valve clack component comprises a first connecting rod, a first T-shaped connecting piece, a first connecting shaft, a first guard plate, a first valve clack, a second connecting shaft, a first L-shaped supporting rod and a second L-shaped supporting rod, one end of the first connecting rod is hinged with the first sliding block, the other end of the first connecting rod is hinged with the first T-shaped connecting piece, the first T-shaped connecting piece is provided with a first connecting groove, the first connecting shaft simultaneously passes through the first connecting groove, the arc-shaped sliding groove, one end of the first L-shaped supporting rod and one end of the second L-shaped supporting rod, the other end of the first L-shaped support rod is hinged with the first guard plate, the other end of the second L-shaped support rod is hinged with the first valve clack, the first guard plate is hinged with the first valve clack through the second connecting shaft, the second connecting shaft is further rotatably connected with the first T-shaped connecting piece, and the second connecting shaft is arranged in parallel with the first connecting shaft;
the second valve flap component comprises a second connecting rod, a second T-shaped connecting piece, a third connecting shaft, a second guard plate, a second valve flap, a fourth connecting shaft, a third L-shaped supporting rod and a fourth L-shaped supporting rod, one end of the second connecting rod is hinged with the second sliding block, the other end of the second connecting rod is hinged with the second T-shaped connecting piece, the second T-shaped connecting piece is provided with a second connecting groove, the second connecting shaft simultaneously passes through the second connecting groove, the arc-shaped sliding groove, the other end of the third L-shaped supporting rod and the two ends of the fourth L-shaped supporting rod, the other end of the third L-shaped support rod is hinged with the second guard plate, the other end of the fourth L-shaped support rod is hinged with the second valve clack, the second guard plate is hinged with the second valve flap through a fourth connecting shaft, the fourth connecting shaft is further rotatably connected with the second T-shaped connecting piece, and the third connecting shaft and the fourth connecting shaft are arranged in parallel;
the adjusting rod can be connected with the first sliding block or the second sliding block by rotating the adjusting rod, the first valve clack or the second valve clack can be turned over and opened and moved to a position corresponding to a fluid passage of the valve seat by moving the adjusting rod downwards, and therefore the first valve clack or the second valve clack can be moved in the vertical direction by rotating the rotating sleeve so as to close or open the fluid passage.
In one embodiment, a fixing part is arranged at the upper end of the screw rod in a penetrating manner, a first positioning hole and a second positioning hole are formed in the adjusting rod, when the positioning part is connected with the first positioning hole, a first valve flap component or a second valve flap component connected with the adjusting rod is in a closed state, and when the positioning part is connected with the second positioning hole, the first valve flap component or the second valve flap component connected with the adjusting rod is in an open state.
In one embodiment, a first positioning assembly and a second positioning assembly are arranged on the T-shaped support, a first connecting opening capable of being clamped with the connecting protrusion is formed in the first sliding block, a second connecting opening capable of being clamped with the connecting protrusion is formed in the second sliding block, the first positioning assembly can be clamped with the first connecting opening so as to fix the first sliding block, and the second positioning assembly can be clamped with the second connecting opening so as to fix the second sliding block.
In one embodiment, the first positioning assembly includes a first positioning block and a first elastic member, the first positioning block can extend into the first connecting opening to be clamped with the first slider, and the first elastic member is disposed between the first positioning block and the first supporting portion; the second positioning assembly comprises a second positioning block and a second elastic piece, the second positioning block can stretch into the second connecting opening, so that the second positioning block is connected with the second sliding block in a clamped mode, and the second elastic piece is arranged between the second positioning block and the first supporting portion.
In one embodiment, when the connecting protrusion is matched with the first connecting opening, the first positioning block can be pushed to extrude the first elastic piece, and the first positioning block is separated from the clamping connection with the first connecting opening; when the connecting protrusion is matched with the second connecting opening, the second positioning block can be pushed to extrude the second elastic piece, and the second positioning block is enabled to be separated from the second connecting opening in a clamping manner.
In one embodiment, the stop valve further comprises a handle fixedly connected with the rotating sleeve.
The invention has the advantages that:
(1) according to the invention, by arranging 2 valve clacks, different valve clacks can be selected to be in working positions through the adjusting rod, so that when the valve clacks in the working positions are damaged to cause leakage, a new valve clack can be in the working positions through the switching mechanism, and compared with the prior art, the service life is at least doubled;
(2) the valve clack can be replaced on line without stopping, so that the continuous work of a pipeline or equipment is ensured, the operation efficiency of a system is improved, and the economic loss caused by stopping maintenance and replacing the valve clack is reduced;
(3) the 2 valve clacks are all provided with the protection plates, when the stop valve is in the opening position, the protection plates can cover the valve clacks to prevent the medium from being washed away, and therefore the service life of the stop valve is prolonged.
Drawings
FIG. 1 is a cross-sectional view of a shut-off valve provided by the present invention;
FIG. 2 is a perspective view of a portion of the structure of a stop valve provided by the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view of the present invention in another operational state according to FIG. 3;
FIG. 5 is a cross-sectional view of a stop valve according to the present invention in another operational state;
FIG. 6 is a cross-sectional view of a stop valve according to the present invention in another operational state;
fig. 7 and 8 are perspective views of a partial structure of a stop valve provided by the present invention.
In the figure, a valve body 1, an inlet flow passage 11, a middle chamber 12, an outlet flow passage 13, a valve cover 2, a valve seat 3, a fluid passage 31, a screw member 4, a threaded portion 41, a fixing member 42, a rotating sleeve 5, a handle 51, an adjusting rod 6, a connecting protrusion 61, a first positioning hole 62, a second positioning hole 63, a first slider 71, a first connecting opening 711, a second slider 72, a second connecting groove 721, a T-shaped support member 8, a first supporting portion 81, a first sliding groove 811, a second sliding groove 812, a second supporting portion 82, an arc-shaped sliding groove 821, a first positioning block 831, a first elastic member 832, a second positioning block 841, a second elastic member 842, a first valve flap assembly 91, a first connecting rod 911, a first T-shaped connecting member 912, a first connecting groove 9121, a first connecting shaft 913, a first guard plate 914, a first valve flap 915, a second connecting shaft 916, a first L-shaped supporting rod 917, a second L-shaped supporting rod 918, a second valve flap assembly 92, a second, The second connecting rod 921, the second T-shaped connecting piece 922, the second connecting groove 9221, the third connecting shaft 923, the second guard plate 924, the second valve clack 925, the fourth connecting shaft 926, the third L-shaped supporting rod 927 and the fourth L-shaped supporting rod 928.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 8, the present invention discloses a shut-off valve, which includes: valve body 1 with set up in valve gap 2 of 1 middle part upper end of valve body, be provided with inlet channel 11, lumen 12 and exit runner 13 in the valve body 1, lie in the valve body 1 the exit end of inlet channel 11 is provided with disk seat 3, set up on the disk seat 3 with the fluid passage 31 of 11 mutual intercommunications of inlet channel, the stop valve still includes:
the valve body 1 is provided with a valve cover 2, and the valve body 1 is provided with a connecting sliding groove along the vertical direction, and the connecting sliding block slides in the connecting sliding groove;
the rotating sleeve 5 is rotatably connected to the valve cover 2 and is in threaded connection with the threaded part 41 on the screw rod piece 4;
the adjusting rod 6 penetrates through the middle of the screw rod 4 and can rotate and slide along the vertical direction, and a connecting bulge 61 is arranged at the lower end of the adjusting rod 6;
the T-shaped support 8 is fixedly connected to the lower end of the screw rod 4, the T-shaped support 8 includes a first support 81 extending along the vertical direction and a second support 82 extending along the horizontal direction, a first sliding groove 811 and a second sliding groove 812 are arranged on the first support 81 in parallel along the vertical direction, and an arc-shaped sliding groove 821 is arranged on the second support 82;
the first sliding block 71 and the second sliding block 72 are respectively slidably disposed in the first sliding groove 811 and the second sliding groove 812, and both can be connected with the connecting protrusion 61 of the adjusting rod 6;
the first valve flap assembly 91 comprises a first connecting rod 911, a first T-shaped connecting piece 912, a first connecting shaft 913, a first protection plate 914, a first valve flap 915, a second connecting shaft 916, a first L-shaped supporting rod 917 and a second L-shaped supporting rod 918, wherein one end of the first connecting rod 911 is hinged to the first sliding block 71, the other end of the first connecting rod is hinged to the first T-shaped connecting piece 912, a first connecting groove 9121 is formed in the first T-shaped connecting piece 912, the first connecting shaft 913 simultaneously passes through the first connecting groove 9121, an arc-shaped sliding groove 821, one end of the first L-shaped supporting rod 917 and one end of the second L-shaped supporting rod 918, the other end of the first L-shaped supporting rod 917 is hinged to the first protection plate 914, the other end of the second L-shaped supporting rod 918 is hinged to the first valve flap 915, the first protection plate 914 and the first valve flap 915 are hinged through the second connecting shaft 916, and the second connecting shaft 916 is further rotatably connected to the first T-shaped connecting piece 912, and the second connecting shaft 916 is arranged in parallel with the first connecting shaft 913;
the second valve flap assembly 92 comprises a second connecting rod 921, a second T-shaped connecting piece 922, a third connecting shaft 923, a second guard plate 924, a second valve flap 925, a fourth connecting shaft 926, a third L-shaped supporting rod 927 and a fourth L-shaped supporting rod 928, wherein one end of the second connecting rod 921 is hinged to the second slider 72, the other end of the second connecting rod is hinged to the second T-shaped connecting piece 922, a second connecting groove 9221 is formed in the second T-shaped connecting piece 922, the second connecting shaft 926 simultaneously penetrates through one end of the second connecting groove 9221, an arc-shaped sliding groove 821, one end of the third L-shaped supporting rod 927 and one end of the fourth L-shaped supporting rod 928, the other end of the third L-shaped supporting rod 927 is hinged to the second guard plate 924 and the other end of the fourth L-shaped supporting rod 928 are hinged to the second valve flap 925, the second guard plate 924 is hinged to the second valve flap 925 through the fourth connecting shaft 926, and the fourth connecting shaft 926 is further rotatably connected to the second T, the third connecting shaft 923 is parallel to the fourth connecting shaft 926;
the adjustment lever 6 can be coupled to the first slider 71 or the second slider 72 by rotating the adjustment lever 6, and the first valve flap 915 or the second valve flap 925 can be opened by turning the adjustment lever 6 downward and moved to a position corresponding to the fluid passage 31 of the valve seat 3, so that the first valve flap 915 or the second valve flap 925 can be moved in a vertical direction by rotating the swivel sleeve 5 to close or open the fluid passage 31.
Preferably, as shown in fig. 1 and 5, a fixing member 42 is inserted through the upper end of the screw member 4, a first positioning hole 62 and a second positioning hole 63 are formed in the adjusting lever 6, when the fixing member 42 is connected to the first positioning hole 62, a first valve flap assembly 91 or a second valve flap assembly 92 connected to the adjusting lever 6 is in a closed state, and when the fixing member 42 is connected to the second positioning hole 63, the first valve flap assembly 91 or the second valve flap assembly 92 connected to the adjusting lever 6 is in an open state.
Preferably, as shown in fig. 3 and 4, a first positioning assembly and a second positioning assembly are arranged on the T-shaped support member 8, a first connecting opening 711 capable of being connected with the connecting protrusion 61 in a clamped manner is arranged on the first sliding block 71, a second connecting opening 721 capable of being connected with the connecting protrusion 61 in a clamped manner is arranged on the second sliding block 72, the first positioning assembly can be clamped with the first connecting opening 711 so as to fix the first sliding block 71, and the second positioning assembly can be clamped with the second connecting opening 721 so as to fix the second sliding block 72.
Preferably, the first positioning assembly includes a first positioning block 831 and a first elastic member 832, the first positioning block 831 can extend into the first connecting groove 9121, so as to be clamped with the first slider 71, and the first elastic member 832 is disposed between the first positioning block 831 and the first supporting portion 81; the second positioning assembly includes a second positioning block 841 and a second elastic member 842, the second positioning block 841 can extend into the second connecting opening 721 to be clamped with the second slider 72, and the second elastic member 842 is disposed between the second positioning block 841 and the first supporting portion 82.
Preferably, when the connecting protrusion 61 is engaged with the first connecting opening 711, the first positioning block 831 can be pushed to press the first elastic member 832, and the first positioning block 831 is disengaged from the first connecting opening 711; when the connecting protrusion 61 is engaged with the second connecting opening 721, the second positioning block 841 can be pushed to press the second elastic member 842, and the second positioning block 841 is disengaged from the second connecting opening 721.
Preferably, the stop valve further comprises a handle 51, and the handle 51 is fixedly connected with the rotating sleeve 5.
The working mode of the invention is as follows: as shown in fig. 1, the connecting protrusion 61 on the adjusting rod 6 is engaged with the first connecting opening 711 of the first sliding block 71, at this time, the fixing element 42 is connected with the first positioning hole 62, as shown in fig. 5, the adjusting rod 6 is moved downward, and the fixing element 42 is connected with the second positioning hole 63, as shown in fig. 6, in the process that the adjusting rod 6 drives the first sliding block 71 to move downward, the first connecting rod 911 rotates clockwise, which drives the first T-shaped connecting element 912 to rotate counterclockwise and move downward, the first connecting shaft 913 is shifted to move along the arc-shaped sliding groove 821 and the first connecting groove 9121, so that the distance between the first connecting shaft 913 and the second connecting shaft 916 is increased, the first guard plate 914 and the first valve flap 915 are respectively pulled to turn open by the first L-shaped supporting rod 917 and the second L-shaped supporting rod 918, so that the first valve flap 915 moves above the fluid channel 31, then, the rotating sleeve 5 is rotated to move the screw member 4 downward, so that the first valve flap 915 closes the fluid passage 31, and when the cut-off valve needs to be opened, the rotating sleeve 5 is rotated reversely, so that the fluid passage 31 is opened.
When the first valve flap 915 is damaged and cannot be well sealed with the valve seat 3, the second valve flap 925 can be switched to work, so that the maintenance period of the stop valve is prolonged.
Referring to fig. 3 and 4, when the first positioning hole 62 on the adjusting rod 6 is located at a position matching with the fixing member 42, the adjusting rod 6 can be selectively connected to the first flap assembly 91 or the second flap assembly 92 by rotating the adjusting rod 6, specifically, the adjusting rod 6 can be switched between the first connecting opening 711 and the second connecting opening 721 by rotating 180 degrees, when the connecting protrusion 61 is snapped into the first connecting opening 711, as shown in fig. 2 and 3, the connecting protrusion 61 can push the first positioning block 831 out of the first connecting opening 711, so that the first slider 71 can move along the first sliding slot 811 under the driving of the screw member 4, and similarly, when the connecting protrusion 61 is snapped into the second connecting opening 721, the connecting protrusion 61 can push the second positioning block 841 out of the second connecting opening 721, so that the second flap assembly can be switched to an open state under the driving of the adjusting rod 6, that is, the second valve flap 925 moves above the fluid passage 31, so that the second slider 72 can move along the second sliding slot 812 under the driving of the screw 4, and thus the working states of the first valve flap assembly 91 and the second valve flap assembly 92 can be switched.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A shut-off valve, said shut-off valve comprising: the valve body with set up in valve gap on the valve body middle part, be provided with import runner, lumen and export runner in the valve body, be located in the valve body the exit end of import runner is provided with the disk seat, set up on the disk seat with the fluid passage of import runner intercommunication each other, the stop valve still includes:
the screw rod is connected with the valve cover, can slide along the vertical direction and cannot rotate relative to the valve cover, and a threaded part is arranged on the screw rod;
the rotating sleeve is rotatably connected to the valve cover and is in threaded connection with the threaded part on the screw rod piece;
the adjusting rod penetrates through the middle of the screw rod piece and can rotate and slide along the vertical direction, and a connecting bulge is arranged at the lower end of the adjusting rod;
the T-shaped support piece is fixedly connected to the lower end of the screw rod piece and comprises a first support part extending along the vertical direction and a second support part extending along the horizontal direction, a first sliding groove and a second sliding groove are formed in the first support part in parallel along the vertical direction, and an arc-shaped sliding groove is formed in the second support part;
the first sliding block and the second sliding block are respectively arranged in the first sliding groove and the second sliding groove in a sliding manner and can be connected with the connecting bulge of the adjusting rod;
the first valve clack component comprises a first connecting rod, a first T-shaped connecting piece, a first connecting shaft, a first guard plate, a first valve clack, a second connecting shaft, a first L-shaped supporting rod and a second L-shaped supporting rod, one end of the first connecting rod is hinged with the first sliding block, the other end of the first connecting rod is hinged with the first T-shaped connecting piece, the first T-shaped connecting piece is provided with a first connecting groove, the first connecting shaft simultaneously passes through the first connecting groove, the arc-shaped sliding groove, one end of the first L-shaped supporting rod and one end of the second L-shaped supporting rod, the other end of the first L-shaped support rod is hinged with the first guard plate, the other end of the second L-shaped support rod is hinged with the first valve clack, the first guard plate is hinged with the first valve clack through the second connecting shaft, the second connecting shaft is further rotatably connected with the first T-shaped connecting piece, and the second connecting shaft is arranged in parallel with the first connecting shaft;
the second valve flap component comprises a second connecting rod, a second T-shaped connecting piece, a third connecting shaft, a second guard plate, a second valve flap, a fourth connecting shaft, a third L-shaped supporting rod and a fourth L-shaped supporting rod, one end of the second connecting rod is hinged with the second sliding block, the other end of the second connecting rod is hinged with the second T-shaped connecting piece, the second T-shaped connecting piece is provided with a second connecting groove, the second connecting shaft simultaneously passes through the second connecting groove, the arc-shaped sliding groove, the other end of the third L-shaped supporting rod and the two ends of the fourth L-shaped supporting rod, the other end of the third L-shaped support rod is hinged with the second guard plate, the other end of the fourth L-shaped support rod is hinged with the second valve clack, the second guard plate is hinged with the second valve flap through a fourth connecting shaft, the fourth connecting shaft is further rotatably connected with the second T-shaped connecting piece, and the third connecting shaft and the fourth connecting shaft are arranged in parallel;
the adjusting rod can be connected with the first sliding block or the second sliding block by rotating the adjusting rod, the first valve clack or the second valve clack can be turned over and opened and moved to a position corresponding to a fluid passage of the valve seat by moving the adjusting rod downwards, and therefore the first valve clack or the second valve clack can be moved in the vertical direction by rotating the rotating sleeve so as to close or open the fluid passage.
2. The stop valve of claim 1, wherein a fixing member is inserted through an upper end of the screw member, the adjusting lever is provided with a first positioning hole and a second positioning hole, when the positioning member is connected to the first positioning hole, the first valve flap assembly or the second valve flap assembly connected to the adjusting lever is in a closed state, and when the positioning member is connected to the second positioning hole, the first valve flap assembly or the second valve flap assembly connected to the adjusting lever is in an open state.
3. The stop valve according to claim 1, characterized in that a first positioning component and a second positioning component are arranged on the T-shaped support, a first connecting opening capable of being clamped with the connecting protrusion is arranged on the first sliding block, a second connecting opening capable of being clamped with the connecting protrusion is arranged on the second sliding block, the first positioning component can be clamped with the first connecting opening so as to fix the first sliding block, and the second positioning component can be clamped with the second connecting opening so as to fix the second sliding block.
4. The stop valve according to claim 3, wherein the first positioning assembly comprises a first positioning block and a first elastic member, the first positioning block can extend into the first connecting opening so as to be clamped with the first sliding block, and the first elastic member is arranged between the first positioning block and the first supporting part; the second positioning assembly comprises a second positioning block and a second elastic piece, the second positioning block can stretch into the second connecting opening, so that the second positioning block is connected with the second sliding block in a clamped mode, and the second elastic piece is arranged between the second positioning block and the first supporting portion.
5. The stop valve according to claim 4, wherein when the connecting protrusion is engaged with the first connecting opening, the first positioning block is pushed to press the first elastic member and disengage the first positioning block from the first connecting opening; when the connecting protrusion is matched with the second connecting opening, the second positioning block can be pushed to extrude the second elastic piece, and the second positioning block is enabled to be separated from the second connecting opening in a clamping manner.
6. The shut-off valve of claim 1, further comprising a handle fixedly connected to the rotating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161230.8A CN112303251A (en) | 2020-10-27 | 2020-10-27 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161230.8A CN112303251A (en) | 2020-10-27 | 2020-10-27 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112303251A true CN112303251A (en) | 2021-02-02 |
Family
ID=74330452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011161230.8A Pending CN112303251A (en) | 2020-10-27 | 2020-10-27 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112303251A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883294A (en) * | 2021-11-02 | 2022-01-04 | 陆诗雨 | a gate valve |
| CN115750905A (en) * | 2022-12-01 | 2023-03-07 | 华柔阀门管件有限公司 | a shut-off valve |
| CN115899370A (en) * | 2022-09-14 | 2023-04-04 | 特阀江苏流体机械制造有限公司 | Low-temperature heat-insulation gas cylinder stop valve |
| WO2024067663A1 (en) * | 2022-09-29 | 2024-04-04 | 沈阳耐蚀合金泵股份有限公司 | Transverse rotary valve flap shielding valve capable of being updated online without disassembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2362123A1 (en) * | 2010-02-17 | 2011-08-31 | Aage V. Kjærs Maskinfabrik A/S | Underground shut-off valve with a hinged flap |
| CN209622065U (en) * | 2018-12-27 | 2019-11-12 | 安徽新宁能源科技有限公司 | A kind of lower resistance loss quick-closing valve |
| CN110440010A (en) * | 2019-08-14 | 2019-11-12 | 韩国昊 | A kind of shut-off valve |
| CN110805708A (en) * | 2019-11-16 | 2020-02-18 | 徐国华 | Diaphragm type stop valve |
-
2020
- 2020-10-27 CN CN202011161230.8A patent/CN112303251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2362123A1 (en) * | 2010-02-17 | 2011-08-31 | Aage V. Kjærs Maskinfabrik A/S | Underground shut-off valve with a hinged flap |
| CN209622065U (en) * | 2018-12-27 | 2019-11-12 | 安徽新宁能源科技有限公司 | A kind of lower resistance loss quick-closing valve |
| CN110440010A (en) * | 2019-08-14 | 2019-11-12 | 韩国昊 | A kind of shut-off valve |
| CN110805708A (en) * | 2019-11-16 | 2020-02-18 | 徐国华 | Diaphragm type stop valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883294A (en) * | 2021-11-02 | 2022-01-04 | 陆诗雨 | a gate valve |
| CN113883294B (en) * | 2021-11-02 | 2023-11-10 | 希佛隆阀门集团有限公司 | Gate valve |
| CN115899370A (en) * | 2022-09-14 | 2023-04-04 | 特阀江苏流体机械制造有限公司 | Low-temperature heat-insulation gas cylinder stop valve |
| CN115899370B (en) * | 2022-09-14 | 2023-09-26 | 特阀江苏流体机械制造有限公司 | Stop valve for low-temperature heat-insulating gas cylinder |
| WO2024067663A1 (en) * | 2022-09-29 | 2024-04-04 | 沈阳耐蚀合金泵股份有限公司 | Transverse rotary valve flap shielding valve capable of being updated online without disassembly |
| CN115750905A (en) * | 2022-12-01 | 2023-03-07 | 华柔阀门管件有限公司 | a shut-off valve |
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Application publication date: 20210202 |