CN113339580B - Metering regulating valve for natural gas - Google Patents
Metering regulating valve for natural gas Download PDFInfo
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- CN113339580B CN113339580B CN202110764990.6A CN202110764990A CN113339580B CN 113339580 B CN113339580 B CN 113339580B CN 202110764990 A CN202110764990 A CN 202110764990A CN 113339580 B CN113339580 B CN 113339580B
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
- F16K41/043—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles
- F16K41/046—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles for rotating 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
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/04—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to a natural gas metering regulating valve which comprises a valve cover and pipe fittings, wherein a valve channel is fixedly arranged at the bottom of the valve cover, a first sealing rubber strip is fixedly arranged between the bottom of the valve cover and the top of the valve channel, the top of the valve cover is movably connected with a valve rod, one end of the valve rod penetrates through the valve channel and extends to the inner side of the valve channel, a ball core, one end of the ball core is movably connected with the bottom wall of an inner cavity of the valve channel, a sealing assembly, one end of which is fixedly connected with the outer side of the valve rod, is fixedly arranged between the left side wall and the right side wall of the inner cavity of the valve cover, and mounting assemblies are movably connected between the left side and the right side of the valve channel and the outer sides of the two pipe fittings. This measurement governing valve of natural gas, and the supporting component on the installation component can make pipe fitting and whole governing valve more stable when connecting to make whole installation and dismantlement mode more convenient and save time than current mode, reach convenient to detach and overhaul and maintain and be convenient for install the effect that improves work efficiency.
Description
Technical Field
The invention relates to the technical field of regulating valves, in particular to a metering regulating valve for natural gas.
Background
The regulating valve is also named as a control valve, in the field of industrial automation process control, a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like is operated by power by receiving a control signal output by a regulating control unit, and the metering regulating valve belongs to one of the regulating valves, can be applied to a pipeline for conveying natural gas to control and regulate the ventilation and the closing of the natural gas.
According to a closed recirculated cooling water governing valve that chinese patent CN 212297685U provided, this patent is through being provided with waterproof sheet and valve gap, when the connecting rod when the extension in the valve body, water in the valve body can flow in the waterproof sheet through the connecting rod with the junction of spacing frame, consequently difficult production is revealed when the connecting rod slides with the junction of valve, the leakproofness of device has been strengthened, the probability that the device damaged has been reduced, but this closed recirculated cooling water governing valve's the left and right sides still fixes between governing valve and the pipeline through the bolt the same with the most governing valve of tradition, dismouting maintenance and the maintenance in later stage are not convenient for through traditional bolt fastening, so propose the measurement governing valve of a natural gas and solve above-mentioned problem.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the metering regulating valve for the natural gas, which has the advantages of convenience in disassembly and assembly, improvement on sealing performance and the like, and solves the problems of inconvenience in disassembly and assembly and easiness in gas leakage.
In order to achieve the purpose, the invention provides the following technical scheme: a metering regulating valve for natural gas comprises a valve cover and pipe fittings, wherein a valve channel is fixedly arranged at the bottom of the valve cover, a first sealing rubber strip is fixedly arranged between the bottom of the valve cover and the top of the valve channel, the top of the valve cover is movably connected with a valve rod, one end of the valve rod penetrates through and extends to the inner side of the valve channel, a ball core, one end of which is movably connected with the bottom wall of an inner cavity of the valve channel, is fixedly arranged at the bottom of the valve rod, a sealing assembly, one end of which is fixedly connected with the outer side of the valve rod, is fixedly arranged between the left side wall and the right side wall of the inner cavity of the valve cover, and installation assemblies are movably connected between the left side wall and the right side wall of the inner cavity of the valve channel and the outer sides of the two pipe fittings;
the mounting assembly comprises a mounting ring with one end movably connected with the valve channel and the outer side of the top of the pipe fitting, the inner side of the mounting ring is fixedly connected with a sealing ring with one end jointed with the outer sides of the bottom of the pipe fitting and the valve channel, the outer side of the pipe fitting is fixedly connected with a right side mounting rod with one end penetrating and extending to the outer side of the upper end of the mounting ring, the outer side of the valve channel is fixedly provided with a left side mounting rod with one end penetrating and extending to the outer side of the mounting ring, the outer side of the left side mounting rod is slidably connected with a supporting rod with one end penetrating and extending to the outer side of the right side mounting rod, one end of the supporting rod positioned at the outer side of the right side mounting rod is fixedly connected with a U-shaped connecting block, the inner side of the U-shaped connecting block is fixedly connected with a rotating rod with one end jointed with the outer sides of the left side mounting rod and the right side mounting rod through the movable rod, and one end of the supporting rod positioned at the outer side of the left side mounting rod is fixedly connected with a fixed block, the utility model discloses a fixed assembly, including a fixed block, a left side installation rod, a dwang, a support sleeve rod, a support spring, a mounting hole, a hand push block and a hand push block, wherein the fixed mounting has a supporting component between the fixed block and the left side installation rod, the internal swing joint of the dwang has a fixed component one end of which runs through and extends to the internal of the left side installation rod, the supporting component includes a support sleeve rod with one end fixedly connected with the inner side of the fixed block and the inner side of the fixed block, the internal swing joint of the hand push rod has a moving rod with one end running through and extends to the external side of the moving rod, the one end of the moving rod is fixedly connected with the support sleeve rod, the internal swing joint of the support sleeve rod has a moving rod with one end running through and extends to the external side of the moving rod, the other end of the hand push rod is fixedly connected with a stop block, the outer side of the left side mounting rod is provided with a mounting groove, the inner side of the mounting groove is slidably connected with a right side movable block positioned on the left side mounting rod, a compression spring is fixedly connected between one side of the right side movable block and the inner side of the mounting groove, the other side of the right side movable block is fixedly connected with a fixture block, one end of the fixture block extends to the inner side of the mounting hole, two first chutes communicated with the mounting hole are arranged in the rotating rod, the top and the bottom of the left side movable block are both fixedly connected with a first slide block, one end of the first slide block penetrates and extends to the inner side of the first chute, the first slide block is slidably connected with the first chute, two second chutes communicated with the mounting groove are arranged in the left side mounting rod, and the top and the bottom of the right side movable block are both fixedly connected with a second slide block, one end of the second slide block penetrates and extends to the inner side of the second chute, and second slider and second spout sliding connection, seal assembly includes the go-between of the outside fixed connection of one end and valve rod, the left and right sides wall fixed mounting of valve gap inner chamber has solid fixed ring, the top fixedly connected with spliced pole of go-between, the top fixed mounting of go-between has the connecting spring who is located the valve rod outside, connecting spring's top fixed mounting has one end to run through and extend to the top of spliced pole and with the activity post of solid fixed ring's bottom laminating, the activity ring of the inboard laminating of the outside fixedly connected with one end of activity post and spliced pole.
Further, the equal fixed mounting in the left and right sides of sealing ring has the second joint strip of one end and valve way and pipe fitting laminating, and second joint strip is cyclic annularly, the equal fixedly connected with elastic rubber piece of one end that left side installation pole and right side installation pole are close to the dwang.
Further, the diameters of the mounting hole, the left movable block, the stop block and the clamping block are matched, the left side of the top of the clamping block is inclined, the rotating rod is U-shaped, and the outer side of the rotating rod is chamfered.
Further, the outside fixed mounting of activity post has third joint strip, the top fixed mounting of activity post has fourth joint strip, the round hole has been seted up to solid fixed ring's inside, the diameter of round hole and the diameter phase-match of valve stem, and the inboard fixed mounting of round hole has fifth joint strip, third joint strip, fourth joint strip and fifth joint strip are the annular.
Furthermore, the outside of collar is seted up and is located the recess in the right side installation pole outside, the diameter of recess and the diameter phase-match of right side installation pole.
Further, first rectangle through-hole has been seted up to the inside of left side installation pole, and the diameter phase-match of first rectangle through-hole diameter and bracing piece, second rectangle through-hole has been seted up to the inside of right side installation pole, the specification of second rectangle through-hole is greater than the specification between the both sides about the dwang.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this measurement governing valve of natural gas, through being provided with the fixed subassembly on the installation component, operating personnel drives the dog through pressing the hand push block on the fixed subassembly and promotes the fixture block and remove to the mounting groove after, can make the dwang no longer fix right side installation pole and rather than the pipe fitting of being connected through the upwards rotatory dwang, reduce the takedown time, and it makes to need to install the pipe fitting, can just pass the dwang behind the right side installation pole after the rotatory pole that rotates down makes the fixed subassembly joint, can make the dwang restrict the removal of right side installation pole and pipe fitting, and support assembly on the installation component is more stable when can making pipe fitting and whole governing valve connect, thereby make whole installation and dismantlement mode more convenient and save time than current mode, reach convenient to detach and overhaul and maintain and be convenient for the installation and improve work efficiency's effect.
2. This metering control valve of natural gas, through being provided with seal assembly, when making the valve rod drive the ball core and rotate, can make coupling spring be in the state of compressed all the time and come the jack-up activity post to solid fixed ring extrude, come to make third joint strip and third joint strip be in by the extruded state all the time, can let the valve rod when driving the ball core and come the adjusting gas business turn over, reduce gaseous top from whole governing valve and leak, thereby prevent that the wasting of resources that gas leakage caused from causing and reduce the threat that causes the fire to the surrounding environment, reach the effect that improves the leakproofness.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting assembly of the present invention;
FIG. 3 is a schematic view of a support assembly according to the present invention;
FIG. 4 is a schematic view of a fixing assembly according to the present invention;
fig. 5 is a schematic view of the seal assembly of the present invention.
In the figure: 1 valve cover, 2 valve rods, 3 first sealing rubber strips, 4 ball cores, 5 valve channels, 6 mounting assemblies, 61 mounting rings, 62 sealing rings, 63 rotating rods, 64U-shaped connecting blocks, 65 right side mounting rods, 66 supporting assemblies, 661 supporting sleeve rods, 662 supporting springs, 663 moving rods, 664 supporting blocks, 67 fixing blocks, 68 left side mounting rods, 69 fixing assemblies, 691 hand push rods, 692 hand push blocks, 693 left side moving blocks, 694 stop blocks, 695 stop blocks, 696 right side moving blocks, 697 compression springs, 698 mounting grooves, 699 mounting holes, 610 supporting rods, 7 sealing assemblies, 71 connecting rings, 72 connecting springs, 73 moving rings, 74 connecting columns, 75 moving columns, 76 fixing rings and 8 pipe fittings.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Please refer to fig. 1, a metering control valve for natural gas in this embodiment, including valve gap 1 and pipe fitting 8, the bottom fixed mounting of valve gap 1 has valve way 5, fixed mounting has first joint strip 3 between the bottom of valve gap 1 and the top of valve way 5, the top swing joint of valve gap 1 has one end to run through and extend to valve rod 2 of valve way 5 inboard, the bottom fixed mounting of valve rod 2 has the ball core 4 of the diapire swing joint of one end and valve way 5 inner chamber, fixed mounting has the outside fixed connection's of one end and valve rod 2 seal assembly 7 between the left and right sides wall of valve gap 1 inner chamber, equal swing joint has installation component 6 between the left and right sides of valve way 5 and the outside of two pipe fittings 8.
In this embodiment, when the operating personnel opened or closed the governing valve at the rotation valve rod 2, the connecting spring 72 can be in the state of jack-up activity post 75 all the time and improve the leakproofness of governing valve, and promote fixture block 695 through pressing the back that the briquetting 692 that pushes on the extrusion fixing device 69 moved, make whole dwang 63 no longer fix right side installation pole 65 and pipe fitting 8, realize that convenient and fast's dismantlement falls the installation valve, provide the convenient later maintenance of installation dismantlement efficiency and change.
Referring to fig. 2-4, in the present embodiment, the mounting assembly 6 includes a mounting ring 61 having one end movably connected to the top outer side of the valve channel 5 and the pipe member 8, a sealing ring 62 having one end attached to the bottom outer side of the pipe member 8 and the valve channel 5 is fixedly connected to the inner side of the mounting ring 61, a right mounting rod 65 having one end penetrating and extending to the outer side of the upper end of the mounting ring 61 is fixedly connected to the outer side of the pipe member 8, a left mounting rod 68 having one end penetrating and extending to the outer side of the mounting ring 61 is fixedly mounted to the outer side of the valve channel 5, a supporting rod 610 having one end penetrating and extending to the outer side of the right mounting rod 65 is slidably connected to the outer side of the left mounting rod 68, a U-shaped connecting block 64 is fixedly connected to one end of the supporting rod 610 located at the outer side of the right mounting rod 65, a rotating rod 63 having one end attached to the outer sides of the left mounting rod 68 and the right mounting rod 65 is fixedly connected to the inner side of the U-shaped connecting block 64 through the moving rod, the one end fixedly connected with fixed block 67 that is located the left side installation pole 68 outside of bracing piece 610, fixed mounting has supporting component 66 between fixed block 67 and the left side installation pole 68, and the inside swing joint of dwang 63 has one end to run through and extend to the inside fixed component 69 of left side installation pole 68.
In this embodiment, the operator can rotate the rotating rod 63 to the right to make it no longer fix the right side installation rod 65 and the pipe fitting 8 connected therewith after pushing the hand push block 692 on the fixed component 69 by holding the holding rod connected with the rotating rod 63, so as to detach the regulating valve, and the whole process is fixed with the conventional bolt, thereby realizing convenience and rapidness.
Wherein, the equal fixed mounting in the left and right sides of sealing ring 62 has the second joint strip of one end and the laminating of valve way 5 and pipe fitting 8, and second joint strip is cyclic annularly, the equal fixedly connected with elastic rubber piece of one end that left side installation pole 68 and right side installation pole 65 are close to dwang 63, install pole 65 fixed the messenger with the right side at dwang 63, elastic rubber piece compressed can produce ascending tension, come to make behind the joint of fixed subassembly 69, dwang 63 can not appear becoming flexible, stability is improved.
In addition, the supporting component 66 includes a supporting sleeve rod 661 with one end fixedly connected to the inner side of the fixing block 67, the supporting sleeve rod 661 is movably connected inside to a moving rod 663 with one end penetrating and extending to the outer side of the supporting sleeve rod 663, one end of the moving rod 663 located outside the supporting sleeve rod 661 is fixedly connected to a supporting block 664 with one end attached to the left side mounting rod 68, a supporting spring 662 is fixedly mounted between the supporting block 664 and the supporting sleeve rod 661, so that after the rotating rod 63 is rotated to the fixing component 69 for clamping connection, the supporting spring 662 can pull the rotating rod 63 to drive the right side mounting rod 65 and the pipe fitting 8 to extrude the sealing ring 62, and the fixing process is more stable.
Secondly, the fixing assembly 69 includes an installation hole 699 with one end opened inside the rotating rod 63, the inner side of the installation hole 699 is slidably connected with a left movable block 693 located on the rotating rod 63, the inner side of the left movable block 693 is fixedly connected with a hand push rod 691, one end of the hand push rod 691 is fixedly connected with a hand push block 692, the other end of the hand push rod 691 is fixedly connected with a stopper 694, the outer side of the left installation rod 68 is provided with an installation groove 698, the inner side of the installation groove 698 is slidably connected with a right movable block 696 located on the left installation rod 68, a compression spring 697 is fixedly connected between one side of the right movable block 696 and the inner side of the installation groove 698, the other side of the right movable block 696 is fixedly connected with a fixture block 695 with one end extending to the inner side of the installation hole 699, when the hand push block 692 is pushed to drive the hand push rod 691 and the stopper 694 to move, the fixture block 695 is separated from the installation hole 699, the rotating rod 63 can be rotated upwards to fix the right installation rod 65 and the pipe fitting no longer, otherwise, when the rotating rod 63 rotates downwards to extrude the fixture block 695, and the fixture block 695 moves to the inner side of the installation hole 699, the right installation rod 65 and the pipe fitting 8 can be fixed, operation of an operator is facilitated, and operation is simple and rapid.
Then, the inside of dwang 63 sets up the first spout that quantity is two and communicates with mounting hole 699, the equal fixedly connected with one end in top and the bottom of left side movable block 693 runs through and extends to the inboard first slider of first spout, and first slider and first spout sliding connection, make operating personnel push away hand push block 692 and drive left side movable block 693 and can stabilize the horizontal slip in mounting hole 699, avoid taking place the angular deviation, the inside of left side installation pole 68 sets up the second spout that quantity is two and communicate with mounting groove 698, the equal fixedly connected with one end in top and the bottom of right side movable block 696 runs through and extends to the inboard second slider of second spout, and second slider and second spout sliding connection, make right side movable block 696 can drive fixture block 695 and stabilize the horizontal slip in mounting groove 698, avoid taking place the angular deviation.
Then, the diameters of the mounting hole 699, the left movable block 693, the stopper 694, and the fixture block 695 are all matched, the left side of the top of the fixture block 695 is inclined, the rotating rod 63 is U-shaped, and the outer side of the rotating rod is chamfered, so that after the fixture block 695 is pressed in the process that the rotating rod 63 rotates downwards, the fixture block 695 on the left side and the fixture block 695 on the right side can move to the inner side of the mounting hole 699 towards the opposite side.
Then, the recess that is located the right side installation pole 65 outside is seted up in the outside of collar 61, and the diameter of recess matches with the diameter of right side installation pole 65, when making pipe fitting 8 and governing valve installation, only need with the right side installation pole 65 that is connected of pipe fitting 8 aim at the recess of left and right sides collar 61 one side of the back of the body mutually insert can, need not to carry out other calibrations, make things convenient for operating personnel to operate.
Finally, a first rectangular through hole is formed in the left side mounting rod 68, the diameter of the first rectangular through hole is matched with that of the supporting rod 610, a second rectangular through hole is formed in the right side mounting rod 65, the specification of the second rectangular through hole is larger than that of the upper side and the lower side of the rotating rod 63, when the adjusting valve and the pipe fitting 8 are disassembled, the rotating rod 63 upwards rotates to be parallel to the supporting rod 610, the right side mounting rod 65 can be separated from the rotating rod 63 to overhaul and maintain the adjusting valve, the whole mounting assembly 6 can be located on the valve way 5 and cannot fall off, and follow-up continuous mounting is facilitated.
Referring to fig. 5, in the present embodiment, the sealing assembly 7 includes a connecting ring 71 having one end fixedly connected to an outer side of the valve rod 2, fixing rings 76 are fixedly mounted on left and right sidewalls of an inner cavity of the valve cap 1, a connecting column 74 is fixedly connected to a top of the connecting ring 71, a connecting spring 72 located outside the valve rod 2 is fixedly mounted on a top of the connecting ring 71, a movable column 75 having one end penetrating through and extending to a top of the connecting column 74 and attached to a bottom of the fixing ring 76 is fixedly mounted on a top of the connecting spring 72, and a movable ring 73 having one end attached to an inner side of the connecting column 74 is fixedly connected to an outer side of the movable column 75.
In this embodiment, after the valve rod 2 drives the ball core 4 to rotate, the tension generated by the reset of the extruded connecting spring 72 can prop against the movable column 75, so that the movable column 75 and the movable ring 73 extrude the third sealing rubber strip and the fourth sealing rubber strip, thereby improving the sealing performance of the whole regulating valve.
Wherein, the outside fixed mounting of activity post 75 has the third joint strip, and the top fixed mounting of activity post 75 has the fourth joint strip, and the round hole has been seted up to solid fixed ring 76's inside, and the diameter of round hole and the diameter phase-match of valve rod 2, and the inboard fixed mounting of round hole has the fifth joint strip, and third joint strip, fourth joint strip and fifth joint strip are the annular, make third joint strip, fourth joint strip and fifth joint strip form a closed cycle, block gaseous leakage.
The working principle of the above embodiment is as follows:
(1) when the connection between the regulating valve and the pipe fitting 8 needs to be disassembled, the handle 692 is pushed to drive the handle 691 and the left slider 693 to drive the stopper 694 to extrude the block 695, so that the holding rod on the rotating rod 63 can be held after the block 695 is separated from the mounting hole 699, the rotating rod 63 is moved upwards to fix the right mounting rod 65 and the pipe fitting 8, and then the support rod 610 is pulled to one side away from the right mounting rod 65 to separate the rotating rod 63 from the right mounting rod 65, so that the regulating valve can be disassembled, otherwise, after the rotating rod 63 passes through the right mounting rod 65, the block 695 is rotated downwards to move into the mounting hole 699 to fix the right mounting rod 65 and the pipe fitting 8, so as to facilitate the disassembly and the assembly.
(2) When the valve rod 2 drives the ball core 4 to rotate, the connecting spring 72 always enables the state of being compressed, the tension generated by the compressed connecting spring 72 always jacks up the movable column 75 to extrude the fixing ring 76, and the movable ring 73 and the movable column 75 extrude the third sealing rubber strip and the fourth sealing rubber strip to improve the sealing performance of the whole regulating valve.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a metering control valve of natural gas, includes valve gap (1) and pipe fitting (8), its characterized in that: a valve channel (5) is fixedly mounted at the bottom of the valve cover (1), a first sealing rubber strip (3) is fixedly mounted between the bottom of the valve cover (1) and the top of the valve channel (5), one end of the top of the valve cover (1) is movably connected with a valve rod (2) which penetrates through and extends to the inner side of the valve channel (5), a ball core (4) of which one end is movably connected with the bottom wall of the inner cavity of the valve channel (5) is fixedly mounted at the bottom of the valve rod (2), a sealing assembly (7) of which one end is fixedly connected with the outer side of the valve rod (2) is fixedly mounted between the left side wall and the right side wall of the inner cavity of the valve cover (1), and mounting assemblies (6) are movably connected between the left side and the right side of the valve channel (5) and the outer sides of the two pipe fittings (8);
installation component (6) include one end and valve way (5) and pipe fitting (8) top outside swing joint's collar (61), sealing ring (62) of the inboard fixedly connected with one end of collar (61) and the bottom outside laminating of pipe fitting (8) and valve way (5), outside fixedly connected with one end of pipe fitting (8) runs through and extends to right side installation pole (65) in collar (61) upper end outside, the outside fixedly connected with one end of valve way (5) runs through and extends to left side installation pole (68) in collar (61) outside, the outside sliding connection of left side installation pole (68) has one end to run through and extends to bracing piece (610) in right side installation pole (65) outside, the one end fixedly connected with U type connecting block (64) that is located the right side installation pole (65) outside of bracing piece (610), the inboard of U type connecting block (64) is through movable rod fixedly connected with one end and left side installation pole (68) and pipe fitting (8) and sealing ring (65) outside A rotating rod (63) attached to the outer side of the right side mounting rod (65), a fixing block (67) fixedly connected to one end of the supporting rod (610) located on the outer side of the left side mounting rod (68), a supporting component (66) fixedly mounted between the fixing block (67) and the left side mounting rod (68), a fixing component (69) with one end penetrating and extending to the inner side of the left side mounting rod (68) and movably connected to the inner side of the supporting rod (66), a supporting sleeve rod (661) with one end fixedly connected to the inner side of the fixing block (67) and one end penetrating and extending to the outer side of the supporting sleeve rod (661), a supporting block (662) with one end fixedly connected to one end of the supporting sleeve rod (661) located on the outer side of the supporting sleeve rod (661) and attached to the left side mounting rod (68) and a supporting spring (662) fixedly mounted between the supporting block (664) and the supporting sleeve rod (661), the fixing component (69) comprises a mounting hole (699) with one end arranged inside the rotating rod (63), the inner side of the mounting hole (699) is connected with a left side movable block (693) positioned on the rotating rod (63) in a sliding manner, the inner side of the left side movable block (693) is fixedly connected with a hand push rod (691), one end of the hand push rod (691) is fixedly connected with a hand push block (692), the other end of the hand push rod (691) is fixedly connected with a stop block (694), a mounting groove (698) is arranged on the outer side of the left side mounting rod (68), the inner side of the mounting groove (698) is connected with a right side movable block (696) positioned on the left side mounting rod (68) in a sliding manner, a compression spring (697) is fixedly connected between one side of the right side movable block (696) and the inner side of the mounting groove (698), and a clamping block (695) with one end of the other side of the right side movable block (696) extending to the inner side of the mounting hole (699), the valve seat is characterized in that two first sliding grooves communicated with the mounting hole (699) are formed in the rotating rod (63), one end of each of the top and the bottom of the left movable block (693) is fixedly connected with and extends to a first sliding block on the inner side of the first sliding groove, the first sliding block is connected with the first sliding groove in a sliding manner, two second sliding grooves communicated with the mounting groove (698) are formed in the left mounting rod (68), one end of each of the top and the bottom of the right movable block (696) is fixedly connected with and extends to a second sliding block on the inner side of the second sliding groove, the second sliding blocks are connected with the second sliding grooves in a sliding manner, the sealing component (7) comprises a connecting ring (71) with one end fixedly connected with the outer side of the valve rod (2), fixing rings (76) are fixedly mounted on the left side wall and the right side wall of the inner cavity of the valve cover (1), and a connecting column (74) is fixedly connected with the top of the connecting ring (71), the top fixed mounting of go-between (71) has connecting spring (72) that are located the valve rod (2) outside, the top fixed mounting of connecting spring (72) has one end to run through and extend to the top of spliced pole (74) and with activity post (75) of the bottom laminating of solid fixed ring (76), the activity ring (73) of the inboard laminating of spliced pole (74) of outside fixedly connected with one end of activity post (75).
2. A metering regulator valve for natural gas as claimed in claim 1, wherein: the equal fixed mounting in the left and right sides of sealing ring (62) has the second joint strip of one end and valve way (5) and pipe fitting (8) laminating, and second joint strip is cyclic annularly, the equal fixedly connected with elastic rubber piece of one end that left side installation pole (68) and right side installation pole (65) are close to dwang (63).
3. A metering regulating valve for natural gas according to claim 1, wherein: the diameters of the mounting hole (699), the left movable block (693), the stop block (694) and the clamping block (695) are matched, the left side of the top of the clamping block (695) is inclined, the rotating rod (63) is U-shaped, and the outer side of the rotating rod is chamfered.
4. A metering regulator valve for natural gas as claimed in claim 1, wherein: the outside fixed mounting of activity post (75) has third joint strip, the top fixed mounting of activity post (75) has fourth joint strip, the round hole has been seted up to the inside of solid fixed ring (76), the diameter of round hole and the diameter phase-match of valve rod (2), and the inboard fixed mounting of round hole has fifth joint strip, third joint strip, fourth joint strip and fifth joint strip are the annular.
5. A metering regulator valve for natural gas as claimed in claim 1, wherein: the outside of collar (61) is seted up and is located the recess in right side installation pole (65) outside, the diameter of recess and the diameter phase-match of right side installation pole (65).
6. A metering regulator valve for natural gas as claimed in claim 1, wherein: first rectangle through-hole has been seted up to the inside of left side installation pole (68), and the diameter phase-match of first rectangle through-hole diameter and bracing piece (610), the second rectangle through-hole has been seted up to the inside of right side installation pole (65), the specification of second rectangle through-hole is greater than the specification between the upper and lower both sides of dwang (63).
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| CN202110764990.6A CN113339580B (en) | 2021-07-06 | 2021-07-06 | Metering regulating valve for natural gas |
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| CN202110764990.6A CN113339580B (en) | 2021-07-06 | 2021-07-06 | Metering regulating valve for natural gas |
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| CN113339580B true CN113339580B (en) | 2022-07-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116974308A (en) * | 2023-07-31 | 2023-10-31 | 深圳粤能能源技术有限公司 | Control device and method for natural gas metering valve |
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| CN113339580A (en) | 2021-09-03 |
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