CN114484020A - Suspension type double-seat metal hard sealing check valve without shaft and sleeve - Google Patents
Suspension type double-seat metal hard sealing check valve without shaft and sleeve Download PDFInfo
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- CN114484020A CN114484020A CN202210090228.9A CN202210090228A CN114484020A CN 114484020 A CN114484020 A CN 114484020A CN 202210090228 A CN202210090228 A CN 202210090228A CN 114484020 A CN114484020 A CN 114484020A
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- valve
- check valve
- metal hard
- plate
- hard seal
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
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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
- F16K27/0209—Check valves or pivoted 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
- 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)
- Check Valves (AREA)
Abstract
The invention discloses a non-shaft non-sleeve suspension type double-seat metal hard sealing check valve, which relates to the technical field of check valves and comprises a valve body, a first flow deflector, a valve clack, a connecting mechanism, a second flow deflector, a limiting mechanism and a supporting mechanism, wherein the first flow deflector is installed in the valve body, the connecting mechanism is installed in the first flow deflector, the second flow deflector comprises a flow deflector, a connecting bolt, a valve seat and a connecting plate, the flow deflector is installed in the valve body, one side of the flow deflector is connected with one side of the connecting plate, a threaded hole is formed in the outer side of the connecting plate, the connecting bolt is installed in the threaded hole, the valve seat is installed outside the flow deflector, and four installation grooves are formed in the outer surface of the connecting plate. The valve clack in the suspension type double-seat metal hard sealing check valve without the shaft and the sleeve can change along with the flow state dynamic switch of water, the generation of a water hammer can be eliminated, meanwhile, the valve closing noise is not generated, and the silencing effect is achieved.
Description
Technical Field
The invention relates to the technical field of check valves, in particular to a non-shaft non-sleeve suspension type double-seat metal hard seal check valve.
Background
The shaft-free sleeve-free suspension type double-seat metal hard sealing check valve mainly comprises main parts such as a valve body, a valve seat, a valve clack, a flow guide body and a spring, and is mainly suitable for clear water media of systems such as water supply and drainage, fire fighting, heating and ventilation, metallurgy and petrochemical industry, and the like, and is installed at the outlet of a water pump or in other pipelines with check requirements to prevent the media from flowing back to damage the pump and the pipeline system.
Chinese patent publication No. CN112361040A discloses a check valve, which comprises a valve body and a valve core assembly, wherein the valve body is provided with a central channel, the central channel comprises a beam portion, an inlet portion and an outlet portion, the inlet portion and the outlet portion are respectively located at two ends of the beam portion, and the inner diameter of the beam portion is smaller than the inner diameters of the outlet portion and the inlet portion; the valve core assembly comprises a supporting sheet, a guide cylinder, a plurality of supporting rod assemblies, blades, a driving shaft and the like, wherein the supporting sheet is provided with an overflowing hole and is fixed at the beam portion, and a sealing film is arranged on the side surface of one side, close to the outlet portion, of the supporting sheet. So set up the fluid that makes reverse inflow and drive the drive shaft rotation through the blade, drive the relative guide cylinder of bracing piece subassembly through the drive shaft and move to entering portion for seal membrane week side and restraint a lateral wall butt, thereby reach the purpose that prevents fluid reverse flow, restraint a diameter less and make the velocity of flow increase, even the less pipeline of fluid pressure also can drive the seal membrane and seal, and need not manual regulation in the use, work efficiency is high.
However, the existing device still has some problems in the using process;
the internal structure of the existing check valve is complex, a shaft, a bearing and the like are adopted in the existing check valve, and the parts are immersed in a medium and are easy to wear and block, so that the valve is failed and complex to maintain.
Disclosure of Invention
The embodiment of the invention provides a suspension type double-seat metal hard sealing check valve without a shaft and a sleeve, and aims to solve the technical problem in the prior art.
The embodiment of the invention adopts the following technical scheme: a non-shaft non-sleeve suspension type double-seat metal hard seal check valve comprises a valve body, a first flow deflector, a valve clack, a connecting mechanism, a second flow deflector, a limiting mechanism and a supporting mechanism, wherein the first flow deflector is installed in the valve body, the connecting mechanism is installed in the first flow deflector, the supporting mechanism is installed in one end of the first flow deflector, the valve clack is installed outside the supporting mechanism, the outer end of the valve clack is connected with the second flow deflector, a mounting hole is formed in the second flow deflector, the limiting mechanism is installed in the second flow deflector, the second flow deflector comprises a flow deflector, a connecting bolt, a valve seat and a connecting plate, the flow deflector is installed in the valve body, one side of the flow deflector is connected with one side of the connecting plate, a threaded hole is formed outside the connecting plate, the connecting bolt is installed in the threaded hole, and the valve seat is installed outside the flow deflector, four mounting grooves are formed in the outer surface of the connecting plate.
Further, coupling mechanism includes first splice shell, second splice shell, two guide ways, spliced pole, spread groove, two spacing grooves and two stoppers, the spliced pole is installed in one side in addition of connecting plate, and is connected through connecting bolt between spliced pole and the connecting plate, seted up two guide ways in the spliced pole, and the tip of guide way has seted up the spread groove, the spread groove is the annular and distributes, two spacing grooves have been seted up in the spread groove, the second splice shell is installed outward to the spliced pole, and the second splice shell overcoat has first splice shell, connect through connecting spring between first splice shell and the second splice shell, install two stoppers, every in the first splice shell the stopper all with correspond the guide way is pegged graft and is used.
Further, stop gear is including extrusion piece, mounting groove, installation spring, stirring piece and anticreep piece, the mounting groove internal surface is connected with the one end of installation spring, and installs the other one end of spring and be connected with the one end of stopper, a side surface mounting of stopper has the stirring piece, and a side surface mounting in addition of stopper has the extrusion piece.
Further, supporting mechanism includes, first clamp plate, leaf spring, first screw, cone, supporting spring and connecting pin, supporting spring's one end is installed in the connecting hole, and supporting spring's other one end is connected with the leaf spring, first clamp plate is installed to the one end of leaf spring, and the other one end lower surface of leaf spring is connected with cone one end, through first screwed connection between leaf spring and the cone, the other one end and the connecting pin of cone are connected, and the connecting pin installs supporting spring outward.
Further, the mounting groove equidistance is seted up in the connecting plate, and is the annular distribution between the mounting groove.
Further, valve clack and disk seat all adopt stainless steel material, and the disk seat is the cavity form, valve clack and disk seat all are the annular setting.
Further, the section of the valve clack is designed in a T shape.
Further, the second flow guiding body is in an angle oblique cone shape, the first flow guiding body is in an inner oblique cone shape, and the valve clack face corresponding to the valve seat is an oblique cone face.
Compared with the prior art, the invention has the beneficial effects that:
the device is integrally an all-metal hard-to-hard sealing structure, does not contain any easily aging materials such as rubber and glue, is free of maintenance in the whole life cycle, is overlong in service life, is suitable for normal temperature water and high and low temperature working conditions, and has a large application range, the sealing ring is designed in a suspension structure, the structure is simple, parts are effectively protected by being wrapped in bags, and parts such as guide shafts and shaft sleeves are easy to wear and block in the device, so that the device is simple and practical, is not damaged, operates stably and has no shaking and vibration, a medium passes through a valve and is effectively guided and not turbulent, annular water flow of the spray pipe is opposite-flushed in the center of the pipeline to dissipate energy, the flow state of the medium is stable, the cavitation of the pipeline is eliminated, and the conveying efficiency is improved;
and secondly, a connecting mechanism is arranged in the first flow guide body, and a telescopic structure is adopted between the first connecting shell and the second connecting shell, so that a limiting block arranged on the first connecting shell can be matched with a limiting groove arranged on the connecting column for use, and meanwhile, the valve body can be effectively prevented from being used in the using process, the first flow guide body and the second flow guide body can be loosened and even fall off, and the first flow guide body and the second flow guide body can be rapidly installed in the installing process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a schematic view of a second baffle structure according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic structural view of the support mechanism of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5B according to the present invention;
fig. 7 is a schematic view of the internal structure of the connection structure of the present invention.
Reference numerals:
1. a valve body; 2. a first flow conductor; 21. connecting holes; 3. a connecting mechanism; 31. a first connecting shell; 32. a second connecting shell; 33. a guide groove; 34. connecting columns; 35. connecting grooves; 36. a limiting groove; 37. a limiting block; 4. a second flow conductor; 41. a baffle; 42. a connecting bolt; 43. a valve seat; 44. a connecting plate; 5. a limiting mechanism; 51. extruding the block; 52. mounting grooves; 53. installing a spring; 54. a shifting block; 55. an anti-drop block; 6. a support mechanism; 61. a first platen; 62. a plate spring; 63. a first screw; 64. a conical head; 65. a support spring; 66. a connecting pin; 7. and the valve clack.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, an embodiment of the present invention provides a shaft-free sleeve-free suspension type double-seat metal hard seal check valve, including a valve body 1, a first flow conductor 2, a valve flap 7, a connecting mechanism 3, a second flow conductor 4, a limiting mechanism 5, and a supporting mechanism 6, where the valve body 1 is installed with the first flow conductor 2, the first flow conductor 2 is installed with the connecting mechanism 3, the first flow conductor 2 is installed with the supporting mechanism 6 at one end, the supporting mechanism 6 is installed with the valve flap 7 outside, the outer end of the valve flap 7 is connected with the second flow conductor 4, the second flow conductor 4 is opened with a mounting hole, the second flow conductor 4 is installed with the limiting mechanism 5 inside, the second flow conductor 4 includes a flow guide plate 41, a connecting bolt 42, a valve seat 43, and a connecting plate 44, the flow guide plate 41 is installed inside the valve body 1, and one side of the flow guide plate 41 is connected with one side of the connecting plate 44, threaded holes are formed in the connecting plates 44, connecting bolts 42 are installed in the threaded holes, valve seats 43 are installed outside the guide plates 41, and four installation grooves 52 are formed in the outer surfaces of the connecting plates 44.
When the valve works, the first guide body 2 and the second guide body 4 are firstly installed with the valve body 1, in the installation process, the second guide body 4 is welded with the valve body 1 by using a welding process, after the welding is finished, the valve seat 43 is required to be connected with the second guide body 4, in the connection process, the valve seat 43 is clamped into the second guide body 4, after the clamping is finished, the valve seat 43 can be limited under the action of the limiting mechanism 5, the limiting mechanism 5 is prevented from accidentally falling off in the use process, so that the use effect of the valve body is influenced, when the first guide body 2 is required to be installed in the valve body 1, the connecting mechanism 3 installed in the first guide body 2 is connected with the second guide body 4, in the connection process, the connecting mechanism 3 is extruded, so that the second connecting shell 32 is extruded inwards until the limiting block 37 arranged on the first connecting shell 31 is contacted with the connecting column 34, then the connecting mechanism 3 is rotated to enable the limiting block 37 to be clamped into the guide groove 33 arranged on the connecting column 34, the connecting mechanism 3 is continuously extruded, the first connecting shell 31 is enabled to move inwards until the second connecting shell 32 cannot move inwards, the limiting block 37 moves along the moving groove arranged in the connecting column 34 when the connecting mechanism 3 is rotated, the extrusion force on the connecting mechanism 3 is removed, the second connecting shell 32 moves outwards, when the limiting block 37 moves to the position of the limiting groove 36, the limiting block 37 is clamped into the limiting groove 36 under the action of a connecting spring, so that the first guide body 2 and the second guide body 4 are connected and fixed, the circular groove of the valve clack 7 is clamped into the spherical head part of the conical head 64, the axial position is limited by the connecting pin 66, the conical head 64 and the fixed plate spring 62 are integrated, the three conical heads 64 utilize the steel plate ring surface bending resistance of the plate spring 62, the radial position of the valve clack 7 can be supported and maintained, meanwhile, the plate spring 62 and the spring in the supporting mechanism 6 can be compressed and released due to the action of medium force of the valve clack 7, the valve body is provided with an inner stainless steel valve seat 43 and an outer stainless steel valve seat 43 with taper in the using process, the sealing surface with taper is arranged with the valve clack 7, the automatic alignment is realized when the valve is closed, the sealing is matched, according to the flow direction of medium water, a pump is started, when the medium flows forwards, the water impact force and the pressure push the valve clack 7 to compress the spring and the plate spring 62 to be fully opened, the medium can pass through, the pump is closed, when the medium water flows backwards, the compression energy of the compression spring and the plate spring 62 is released, the valve clack 7 is pushed to be closed, the medium backflow is prevented, meanwhile, the stroke of the switch valve is extremely short, and the valve clack 7 is changed along with the flow state dynamic switch of the water, so that the generation of a water hammer can be eliminated, meanwhile, the noise of closing the valve is not generated, and the silencing effect is achieved.
Specifically, the connecting mechanism 3 includes a first connecting shell 31, a second connecting shell 32, two guide grooves 33, a connecting column 34, a connecting groove 35, two limiting grooves 36 and two limiting blocks 37, the connecting column 34 is installed at the other side of the connecting plate 44, and the connecting column 34 is connected with the connecting plate 44 through the connecting bolt 42, two guide grooves 33 are arranged in the connecting column 34, and the end of the guide groove 33 is provided with a connecting groove 35, the connecting groove 35 is distributed annularly, two limit grooves 36 are arranged in the connecting groove 35, a second connecting shell 32 is arranged outside the connecting column 34, and the second connection shell 32 is externally sleeved with the first connection shell 31, the first connection shell 31 and the second connection shell 32 are connected through a connection spring, two limiting blocks 37 are installed in the first connecting shell 31, and each limiting block 37 is connected with the corresponding guide groove 33 in a plugging mode.
During operation, the connecting mechanism 3 is squeezed, the second connecting shell 32 is squeezed inwards until a limiting block 37 arranged on the first connecting shell 31 touches the connecting column 34, then the connecting mechanism 3 is rotated, the limiting block 37 is clamped into a guide groove 33 arranged on the connecting column 34, the connecting mechanism 3 is squeezed continuously, the first connecting shell 31 moves inwards until the second connecting shell 32 cannot move inwards, the connecting mechanism 3 is rotated for the time, the limiting block 37 moves along a moving groove arranged in the connecting column 34, the squeezing force on the connecting mechanism 3 is removed, the second connecting shell 32 moves outwards, when the limiting block 37 moves to the position of the limiting groove 36, the limiting block 37 is clamped into the limiting groove 36 under the action of a connecting spring, and therefore the connection and fixation of the first flow guiding body 2 and the second flow guiding body 4 are completed.
Specifically, stop mechanism 5 includes extrusion piece 51, mounting groove 52, installation spring 53, stirring piece 54 and anticreep piece 55, the mounting groove 52 internal surface is connected with the one end of installation spring 53, and the other end of installation spring 53 is connected with the one end of stopper 37, one side surface mounting of stopper 37 has stirring piece 54, and the other side surface mounting of stopper 37 has extrusion piece 51.
The during operation, because the outer end of stirring piece 54 is circular-arc when installing valve seat 43, in the in-process of installing valve seat 43, valve seat 43 can extrude anticreep piece 55, make anticreep piece 55 inwardly moved, until valve seat 43 can install on connecting plate 44, promote valve seat 43 along connecting plate 44 inwards afterwards, effect that until anticreep piece 55 can receive installation spring 53 is bounced, thereby play spacing effect to valve seat 43, the in-process that anticreep piece 55 removed is owing to be connected with extrusion piece 51 towards the one side of valve seat 43, and extrusion piece 51 is the inclined plane design, make can play the extrusion to valve seat 43 under extrusion piece 51's effect, prevent that valve seat 43 from receiving the influence of medium and appearing rocking in the in-process of using.
Specifically, the supporting mechanism 6 includes, a first pressing plate 61, a plate spring 62, a first screw 63, a conical head 64, a supporting spring 65 and a connecting pin 66, one end of the supporting spring 65 is installed in the connecting hole 21, and the other end of the supporting spring 65 is connected with the plate spring 62, the first pressing plate 61 is installed at one end of the plate spring 62, the lower surface of the other end of the plate spring 62 is connected with one end of the conical head 64, the plate spring 62 is connected with the conical head 64 through the first screw 63, the other end of the conical head 64 is connected with the connecting pin 66, and the supporting spring 65 is installed outside the connecting pin 66.
When the valve is closed, the valve is automatically aligned and sealed in a matching way, the pump is started according to the flow direction of medium water, when the medium water flows in the forward direction, the water impact force and the pressure push the valve clack 7 to compress the spring and the plate spring 62 to be fully opened, the medium can pass through, the pump is closed, when the medium water flows in the reverse direction, the compression spring and the plate spring 62 release the compression energy to push the valve clack 7 to be closed, preventing the media from flowing backwards.
Specifically, the mounting grooves 52 are equidistantly arranged in the connecting plate 44, and the mounting grooves 52 are annularly distributed.
In particular, the valve seat 43 can be conveniently and better connected and limited.
Specifically, valve clack 7 and valve seat 43 all adopt stainless steel material, and valve seat 43 is the cavity form, valve clack 7 and valve seat 43 all are the annular setting.
Specifically, the section of the valve clack 7 is designed in a T shape.
Specifically, the second flow guiding body 4 is in an angle tapered shape, the first flow guiding body 2 is in an inner tapered shape, and the surface of the valve seat 43 corresponding to the valve clack 7 is an oblique conical surface.
Working principle; firstly, a first flow guiding body 2 and a second flow guiding body 4 are installed with a valve body 1, in the installation process, the second flow guiding body 4 is welded with the valve body 1 by using a welding process, after welding is finished, a valve seat 43 is required to be connected with the second flow guiding body 4, in the connection process, the valve seat 43 is clamped into the second flow guiding body 4, after clamping is finished, the valve seat 43 can be limited under the action of a limiting mechanism 5, the limiting mechanism 5 is prevented from accidentally falling off in the using process, so that the using effect of the valve body is influenced, when the first flow guiding body 2 is required to be installed in the valve body 1, a connecting mechanism 3 installed in the first flow guiding body 2 is connected with the second flow guiding body 4, in the connection process, the connecting mechanism 3 is extruded, so that the second connecting shell 32 is extruded inwards until a limiting block 37 arranged on the first connecting shell 31 is contacted with a connecting column 34, then the connecting mechanism 3 is rotated to enable the limiting block 37 to be clamped into the guide groove 33 arranged on the connecting column 34, the connecting mechanism 3 is continuously extruded, the first connecting shell 31 is enabled to move inwards until the second connecting shell 32 cannot move inwards, the limiting block 37 moves along the moving groove arranged in the connecting column 34 when the connecting mechanism 3 is rotated, the extrusion force on the connecting mechanism 3 is removed, the second connecting shell 32 moves outwards, when the limiting block 37 moves to the position of the limiting groove 36, the limiting block 37 is clamped into the limiting groove 36 under the action of a connecting spring, so that the first guide body 2 and the second guide body 4 are connected and fixed, the circular groove of the valve clack 7 is clamped into the spherical head part of the conical head 64, the axial position is limited by the connecting pin 66, the conical head 64 and the fixed plate spring 62 are integrated, the three conical heads 64 utilize the steel plate ring surface bending resistance of the plate spring 62, the radial position of the valve clack 7 can be supported and maintained, meanwhile, the plate spring 62 and the spring in the supporting mechanism 6 can be compressed and released due to the action of medium force of the valve clack 7, the valve body is provided with an inner stainless steel valve seat 43 and an outer stainless steel valve seat 43 with taper in the using process, the sealing surface with taper is arranged with the valve clack 7, the automatic alignment is realized when the valve is closed, the sealing is matched, according to the flow direction of medium water, a pump is started, when the medium flows forwards, the water impact force and the pressure push the valve clack 7 to compress the spring and the plate spring 62 to be fully opened, the medium can pass through, the pump is closed, when the medium water flows backwards, the compression energy of the compression spring and the plate spring 62 is released, the valve clack 7 is pushed to be closed, the medium backflow is prevented, meanwhile, the stroke of the switch valve is extremely short, and the valve clack 7 is changed along with the flow state dynamic switch of the water, so that the generation of a water hammer can be eliminated, meanwhile, the noise of closing the valve is not generated, and the silencing effect is achieved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A shaftless sleeveless suspension type double-seat metal hard seal check valve comprises a valve body (1), a first flow guide body (2) and a valve clack (7), and is characterized in that the valve body is provided with a first guide body and a second guide body; the valve body is characterized by further comprising a connecting mechanism (3), a second flow guiding body (4), a limiting mechanism (5) and a supporting mechanism (6), wherein the first flow guiding body (2) is installed in the valve body (1), the connecting mechanism (3) is installed in the first flow guiding body (2), the supporting mechanism (6) is installed in one end of the first flow guiding body (2), a valve flap (7) is installed outside the supporting mechanism (6), the outer end of the valve flap (7) is connected with the second flow guiding body (4), a mounting hole is formed in the second flow guiding body (4), the limiting mechanism (5) is installed in the second flow guiding body (4), the second flow guiding body (4) comprises a flow guiding plate (41), a connecting bolt (42), a valve seat (43) and a connecting plate (44), the flow guiding plate (41) is installed in the valve body (1), and one side of the flow guiding plate (41) is connected with one side of the connecting plate (44), the guide plate is characterized in that a threaded hole is formed in the connecting plate (44), a connecting bolt (42) is installed in the threaded hole, a valve seat (43) is installed outside the guide plate (41), and four installation grooves (52) are formed in the outer surface of the connecting plate (44).
2. The shaftless sleeveless floating double-seat metal hard seal check valve according to claim 1, wherein the metal hard seal check valve is characterized in that the metal hard seal check valve is a hollow cylinder; the connecting mechanism (3) comprises a first connecting shell (31), a second connecting shell (32), two guide grooves (33), a connecting column (34), a connecting groove (35), two limiting grooves (36) and two limiting blocks (37), the connecting column (34) is installed on the other side of the connecting plate (44), the connecting column (34) is connected with the connecting plate (44) through a connecting bolt (42), the connecting column (34) is provided with the two guide grooves (33), the end parts of the guide grooves (33) are provided with the connecting groove (35), the connecting groove (35) is annularly distributed, the connecting groove (35) is internally provided with the two limiting grooves (36), the second connecting shell (32) is installed outside the connecting column (34), the first connecting shell (31) is sleeved outside the second connecting shell (32), the first connecting shell (31) is connected with the second connecting shell (32) through a connecting spring, install two stopper (37) in first connecting shell (31), every stopper (37) all with correspond guide way (33) are pegged graft and are used.
3. The shaftless sleeveless floating double-seat metal hard seal check valve according to claim 1, wherein the metal hard seal check valve is characterized in that the metal hard seal check valve is a hollow cylinder; stop gear (5) are including extrusion piece (51), mounting groove (52), installation spring (53), stir piece (54) and anticreep piece (55), mounting groove (52) internal surface is connected with the one end of installation spring (53), and installs the other one end of spring (53) and be connected with the one end of stopper (37), one side surface mounting of stopper (37) has and stirs piece (54), and one side surface mounting in addition of stopper (37) has extrusion piece (51).
4. The shaftless sleeveless floating double-seat metal hard seal check valve according to claim 1, wherein the metal hard seal check valve is characterized in that the metal hard seal check valve is a hollow cylinder; the supporting mechanism (6) comprises a first pressing plate (61), a plate spring (62), a first screw (63), a conical head (64), a supporting spring (65) and a connecting pin (66), one end of the supporting spring (65) is installed in the connecting hole (21), the other end of the supporting spring (65) is connected with the plate spring (62), the first pressing plate (61) is installed at one end of the plate spring (62), the lower surface of the other end of the plate spring (62) is connected with one end of the conical head (64), the plate spring (62) is connected with the conical head (64) through the first screw (63), the other end of the conical head (64) is connected with the connecting pin (66), and the supporting spring (65) is installed outside the connecting pin (66).
5. The suspension type double-seat metal hard sealing check valve without the shaft and the sleeve is characterized in that the installation grooves (52) are equidistantly arranged in the connecting plate (44), and the installation grooves (52) are annularly distributed.
6. The shaftless sleeveless floating double-seat metal hard seal check valve according to claim 1, wherein the metal hard seal check valve is characterized in that the metal hard seal check valve is a hollow cylinder; valve clack (7) and disk seat (43) all adopt stainless steel material, and disk seat (43) are the cavity form, valve clack (7) and disk seat (43) all are the annular and set up.
7. The shaftless sleeveless floating double-seat metal hard seal check valve according to claim 1, wherein the metal hard seal check valve is characterized in that the metal hard seal check valve is a hollow cylinder; the section of the valve clack (7) is designed in a T shape.
8. The shaftless sleeveless floating double-seat metal hard seal check valve according to claim 1, wherein the metal hard seal check valve is characterized in that the metal hard seal check valve is a hollow cylinder; the second flow guide body (4) is in an angle inclined cone shape, the first flow guide body (2) is in an inner inclined cone shape, and the surface of the valve seat (43) corresponding to the valve clack (7) is an inclined conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210090228.9A CN114484020A (en) | 2022-01-26 | 2022-01-26 | Suspension type double-seat metal hard sealing check valve without shaft and sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210090228.9A CN114484020A (en) | 2022-01-26 | 2022-01-26 | Suspension type double-seat metal hard sealing check valve without shaft and sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114484020A true CN114484020A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210090228.9A Withdrawn CN114484020A (en) | 2022-01-26 | 2022-01-26 | Suspension type double-seat metal hard sealing check valve without shaft and sleeve |
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| Country | Link |
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| CN (1) | CN114484020A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468002A (en) * | 2022-08-23 | 2022-12-13 | 宁波一机阀门制造有限公司 | Suspension double-seat metal hard-sealing check valve without shaft and sleeve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203686272U (en) * | 2014-01-17 | 2014-07-02 | 江苏苏盐阀门机械有限公司 | Large-caliber axial-flow type check valve |
| CN107202185A (en) * | 2017-06-27 | 2017-09-26 | 博纳斯威阀门股份有限公司 | Check-valves being sealed a kind of water hammer-resistant multiple flow passages more |
| CN207621431U (en) * | 2017-12-05 | 2018-07-17 | 博纳斯威阀门股份有限公司 | A kind of check-valves of double sealing structure |
| CN210218702U (en) * | 2019-03-29 | 2020-03-31 | 江苏高中压阀门有限公司 | Silent check valve |
| CN210423843U (en) * | 2019-08-06 | 2020-04-28 | 上海凯工阀门股份有限公司 | Anti-rotation axial flow check valve |
| CN211624303U (en) * | 2019-12-16 | 2020-10-02 | 郑州中特阀门有限公司 | Silent check valve |
| CN112728170A (en) * | 2020-12-31 | 2021-04-30 | 五洲阀门股份有限公司 | Fine-adjustment slow-closing check valve |
-
2022
- 2022-01-26 CN CN202210090228.9A patent/CN114484020A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203686272U (en) * | 2014-01-17 | 2014-07-02 | 江苏苏盐阀门机械有限公司 | Large-caliber axial-flow type check valve |
| CN107202185A (en) * | 2017-06-27 | 2017-09-26 | 博纳斯威阀门股份有限公司 | Check-valves being sealed a kind of water hammer-resistant multiple flow passages more |
| CN207621431U (en) * | 2017-12-05 | 2018-07-17 | 博纳斯威阀门股份有限公司 | A kind of check-valves of double sealing structure |
| CN210218702U (en) * | 2019-03-29 | 2020-03-31 | 江苏高中压阀门有限公司 | Silent check valve |
| CN210423843U (en) * | 2019-08-06 | 2020-04-28 | 上海凯工阀门股份有限公司 | Anti-rotation axial flow check valve |
| CN211624303U (en) * | 2019-12-16 | 2020-10-02 | 郑州中特阀门有限公司 | Silent check valve |
| CN112728170A (en) * | 2020-12-31 | 2021-04-30 | 五洲阀门股份有限公司 | Fine-adjustment slow-closing check valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468002A (en) * | 2022-08-23 | 2022-12-13 | 宁波一机阀门制造有限公司 | Suspension double-seat metal hard-sealing check valve without shaft and sleeve |
| CN115468002B (en) * | 2022-08-23 | 2023-03-31 | 宁波一机阀门制造有限公司 | Suspension double-seat metal hard-sealing check valve without shaft and sleeve |
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Application publication date: 20220513 |
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