CN202402739U - Inclined reducing valve - Google Patents
Inclined reducing valve Download PDFInfo
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- CN202402739U CN202402739U CN2011205606912U CN201120560691U CN202402739U CN 202402739 U CN202402739 U CN 202402739U CN 2011205606912 U CN2011205606912 U CN 2011205606912U CN 201120560691 U CN201120560691 U CN 201120560691U CN 202402739 U CN202402739 U CN 202402739U
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Abstract
The utility model discloses an inclined reducing valve. The inclined reducing valve is composed of a valve body, a valve core assembly and a valve cover, wherein a valve body upper opening at the upper part of the valve body is inclined towards one end part of a water inlet; the valve core assembly is composed of a sealed pressing ring, a pressure spring, an adjustable pressing cover, a pressure-adjusting drive rod, a spring base buckling bowl, positioning nuts, a fine tuning telescopic sealing bowl, a valve core body, a valve core connecting screw rod, a sealing rubber ring, a support rod, a gasket, a sealing pad, a valve top and locking nuts; the valve core assembly is locked fixedly by the positioning nuts and locking nuts through the valve core connecting screw rod; the upper part of the valve core body is provided with a pressure adjusting chamber while the lower part thereof is provided with a flow control chamber; and the pressure is adjusted through the pressure-adjusting chamber and the flow control chamber. The inclined reducing valve, disclosed by the utility model, has the advantages of being scientific in design, rational in structure, reliable in performances, compact in parts, low in cost, simple in manufacture, good for production, impact-resistant, anti-ageing, nontoxic, corrosion-resistant and antioxidant, realizing automatic water pressure adjustment by utilizing water pressure of a water source, being widely applied to water-saving irrigation for agriculture and in particular used in sloping fields and mountainous areas, saving plenty of investment and also being used in the fields of water source conveying with strict water pressure requirements.
Description
Technical field
The utility model relates to a kind of pressure regulator valve, relates in particular to a kind of tilting reduction valve.
Background technique
The pressure regulator valve that uses in the market all adopts metal shell right-angle type spring pressure regulation form, and the valve body of this pressure regulator valve adopts brass casting technology; Its component adopt machined form, and the cost of raw material is high, and manufacturing efficiency is low; Up-to-standard rate in the course of working is also low; Cause product price too high, influence promoting the use of of it, especially influence agricultural water conservation and irritate promoting the use of of general technology.In use pressure regulator valve can only be set the pressure of the constant decompression of a water outlet output; In case the pressure at the water source of water intake produces fluctuation, the hydraulic pressure of water intake increases, and the water flow of water outlet is also along with reducing; The hydraulic pressure of water intake reduces; The water flow of water outlet is also along with increase, and the hydraulic pressure of water outlet increases and causes pipelines from bursting easily, can influence the life-span of the pipeline of water outlet.Particularly farming, the woods field in the farmland in hillside fields and mountain area aspect agricultural irrigation; Often the water source is at lower; The irrigation that need hoist, delivery line need high-pressure water to carry, and having arrived the flow pipe road that the eminence pouring uses only needs low pressure line to get final product; Need not re-use high pressure delivery pipes, cause unnecessary cost input.
Summary of the invention
The main purpose of the utility model is to solve the problem of above-mentioned pressure regulator valve, provides a kind of the setting can be along with the self-regulating tilting reduction valve of the fluctuation of hydraulic pressure behind the hydraulic pressure.
Adopt the brass metal shell to need machined form, the cost of raw material can improve, and manufacturing efficiency reduces; Up-to-standard rate in the course of working also can be low, causes product price too high, and the utility model adopts modified nylon material; Material cost has descended 70% than brass, and product weight has descended 60%, and manufacturing efficiency improves 6 times; Product percent of pass has improved 209%, and cost of production descends 50%.Dynamic pressure frictional force descends 70% than metal pressure regulator valve, improves the working life of Sealing, in use by it under the low pressure use condition, the water pressure fluctuations small flow is more stable, the oblique angle of water (flow) direction and pressure regulation direction is 50
Zero , make the pressure regulator valve of stressed direction ratio right angle orientation more reasonable, and increase flow area.
The utility model solves the technological scheme that its technical problem adopted:
Be made up of valve body, Spool assembly and valve gap, valve body is three-way body, and two ends of valve body is respectively water intake and water outlet, and the inwall of the inwall of the port of water intake and the port of water outlet is provided with metal threaded cover respectively, the join strength of strengthened thread.
Valve body and valve gap adopt modified nylon material, and spool adopts the APS material, improve the strength of materials and shock resistance, have advantages such as nontoxic, corrosion-resistant, anti-oxidant.Valve body is a three-way body, and it is metal threaded that the water intake at two ends and the joint of water outlet stud with copper, improves the join strength of screw thread.
It is suitable for reading that the top of valve body is provided with valve body, and valve body is suitable for reading to water intake one sloped-end, and valve body outer wall suitable for reading is provided with outside thread.The valve body inner bottom part is the drainage ramp of man type protuberance along the setting of valve chamber inwall; Be divided into into water valve chamber and water outlet valve chamber; The upper limb in drainage ramp is consistent with valve body inwall internal diameter suitable for reading, and the angle that the upper limb in drainage ramp tilts is consistent with the angle of valve body inwall suitable for reading, and Spool assembly is from valve body insertion suitable for reading; The upper limb in the underpart of the lining of Spool assembly and drainage ramp and valve body inwall suitable for reading matches; Force from the current of water intake entering water inlet valve chamber and flow the chamber through the control of irrigating gate entering Spool assembly, get into the water outlet valve chamber by controlling the bleeder of flowing the chamber again, export from water outlet along the drainage ramp.
Valve body top to lopsidedness, promptly the oblique angle of water (flow) direction and pressure regulation direction is 50
Zero , make the pressure regulator valve of stressed direction ratio right angle orientation more reasonable, and increase flow area, in use, under the low pressure use condition, the water pressure fluctuations small flow is more stable by it.
Spool assembly is buckled bowl, setscrew nut, the flexible seal bowl of fine setting, spool main body, spool connecting screw rod, O-ring seal, strut, liner, sealing gasket, valve top and lock screw by seal joint, pressure spring, adjusting gland, pressure regulation driveshaft, spring seat and is formed; The spool connecting screw rod runs through spring seat button bowl, the flexible seal bowl of fine setting, strut, spool main body, liner, sealing gasket and valve top from central division, and the two end part of spool connecting screw rod are with setscrew nut and lock screw locking.
What the utility model adopted is that water (flow) direction and pressure regulation direction are the oblique angle; Spool is an important components; Obtain the force value of required water outlet through the pressure of adjustment pressure spring; The flexible seal bowl of fine setting does not rub with other part in movement process, can carry out pressure regulation with less spring pressure, and is especially more steady in low pressure situation down-off.Connect spring seat button bowl, the flexible seal bowl of fine setting, strut, spool main body, liner, sealing gasket and valve top through the spool connecting screw rod, with setscrew nut and lock screw locking.
Spool main body integral body is tubular; The top of spool main body is the pressure regulating cavity tube, and the pressure regulating cavity tube is the tubular blind hole, and the central part of pressure regulating cavity tube is provided with the hydraulic pressure conduit; The hydraulic pressure conduit is a tube-shaped through hole; The tube end of running through the pressure regulating cavity tube,, with the control stream chamber perforation of spool lower body part, the space between hydraulic pressure conduit and the strut forms the water channel that connects between pressure regulating cavity tube and the control stream chamber.
The bottom of spool main body is control stream chamber; At least 4 division post of periphery setting of control stream chamber are divided into 4 irrigating gates to the periphery of control stream chamber, and the upper limb in the indoor drainage of irrigating gate and outlet valve ramp matches; The central part of the underpart of control stream chamber is provided with the bleeder; The current that get into the water inlet valve chamber from water intake, are exported by water outlet from the bleeder inflow water outlet valve chamber of control stream chamber by irrigating gate entering control stream chamber again; The outer wall setting of the bleeder of spool lower body part is around the seal groove of bleeder, and seal groove is embedded in O-ring seal.
The spool main body of the utility model is one of spool critical piece, and pressure regulation and controlled water flow are all accomplished on the spool main body, and spool main body top is the pressure regulating cavity tube; The bottom of spool main body is control stream chamber; Along with the variation adjusting bleeder of hydraulic pressure and the opening between the valve top, adjust the hydraulic pressure at the mouth of a river, be introduced into control along the drainage ramp behind the current entering water inlet valve chamber and flow the chamber; Part current import the pressure regulating cavity tube from the water channel in the hydraulic pressure conduit, and the pressure regulating cavity tube is monitored variation in water pressure in real time.
The strut integral body of Spool assembly is T-shaped; Strut top is the edge of a wing, and the edge of a wing, top of strut and spring seat button bowl bottom match, and the central part of strut is a hollow tube; Hollow tube runs through strut; The bore of the bore of the hollow tube of strut and spool connecting screw rod matches, and the front end of strut passes the spool main body from the hydraulic pressure access bridge of spool main body, retention gap between strut and the hydraulic pressure conduit; Be convenient to get in the current entering pressure regulating cavity tube of control stream chamber; The tip portion of the lower end of strut is provided with liner, and the distance between strut fixing spring seat button bowl and the flexible seal bowl of fine setting push up with sealing gasket and valve is along with the wave zone motive sealing pad and the valve closedtop of hydraulic pressure closes or open the bleeder.
The edge of a wing, top of strut is provided with the flexible seal bowl of fine setting; The flexible seal bowl integral body of fine setting is a bowl type; The bowl end of the flexible seal bowl of fine setting, is open and flat, and a bowl end central part is provided with through hole, and the bowl body of the flexible seal bowl of fine setting is the inverted U upset to launching all around; The edge of the flexible seal bowl of fine setting is wide edge, and the flange seal circle is put in upper edge, the edge edge ring winding at edge.
The hydraulic pressure that the utility model gets into pressure regulating cavity tube current exceeds setting value; Current in the pressure regulating cavity tube produce Driving force, and the Driving force that is produced promotes to the top of pressure regulating cavity tube, and Driving force Overpressure of a safety valve spring is buckled the pressure that bowl is implemented to strut and spring seat; Strut and spring seat button bowl move up; The strut valve top that drives the strut bottom that moves up moves up, and has dwindled the opening between valve top and the bleeder, has reduced the pressure of water outlet output current.
The top of the flexible seal bowl of fine setting is provided with spring seat and buckles bowl; Spring seat button bowl integral body is bowl-shape; The bottom of spring seat button bowl embeds in the flexible seal bowl of fine setting; The bottom that the flexible seal bowl parcel of fine setting spring seat is buckled bowl, the edge of the flexible seal bowl of fine setting covers the last tip portion of spool main body, and the top of the flexible seal bowl sealing of fine setting spool main body constitutes the pressure regulation chamber.
The last tip portion of spool main body is provided with seal joint; Seal joint integral body in the form of a ring; The middle part is hollow, and the bottom of seal joint is provided with abduction along platform around the outer wall of seal joint, and the abduction of seal joint bottom is along annular seal groove is set in the platform; The annular seal groove of seal joint matches with the flange seal circle of the flexible seal bowl of fine setting; Seal joint covers on the edge of the flexible seal bowl of fine setting, and the flange seal circle of the flexible seal bowl of fine setting embeds in the annular seal groove of seal joint, the valve gap of on valve body is suitable for reading, screwing; Valve gap compresses seal joint, and the edge that seal joint compresses the flexible seal bowl of fine setting simultaneously makes the top of spool main body constitute the pressure regulation chamber of sealing.
The upper end-hole of the flexible seal bowl of the utility model seal joint, spring seat button bowl and fine setting sealing pressure regulation chamber in the upper end portion of spool main body; Only leave the water channel between hydraulic pressure conduit and the strut; Make the pressure regulation chamber become the pressure regulation chamber of sealing, obtain the pressure regulation chamber and monitor the pressure that gets into the current in the valve body in real time.
The liner bottom of strut lower end is provided with sealing gasket and valve top, and valve top integral body is frustum type, and the top on valve top is provided with groove; Sealing gasket embeds in the groove on valve top, and at least 6 right angle type dividing plates of bottom equidistance setting on valve top upwards promote along with moving sealing gasket and valve top on the strut; Sealing bleeder or unlatching bleeder; Form the opening of setting between bleeder and the valve top, restriction reaches the water flow of setting value from the water source of bleeder outflow.
The utility model valve top is installed in the underpart of strut, and the valve top is corresponding with the bleeder with sealing gasket, and matches with the bleeder, and along with the variation of the indoor hydraulic pressure of pressure regulating cavity, strut drives opening and closing of fault bleeder, valve top.
Valve gap integral body is cone table shape, and the tip portion of valve gap is provided with hollow hole, and the hollow hole of valve gap matches with the tip portion of regulating driveshaft; The tip portion of regulating driveshaft is passed the hollow hole at valve gap top, and the inwall of the bottom of valve gap is provided with internal thread, and the internal thread of valve gap and valve body outside thread suitable for reading matches; Place in the valve gap and regulate driveshaft, regulate gland and pressure spring; Valve gap is buckled in valve body and screws on suitable for reading, and present a theatrical performance as the last item on a programme along the inwall setting in the top of valve gap internal thread, the valve gap of on valve body is suitable for reading, screwing; Seal joint is pushed down in presenting a theatrical performance as the last item on a programme of valve gap, then regulates pressure spring from the outside rotation adjusting driveshaft of valve gap spring seat is buckled the bowl applied pressure.
Not only the capping valve body is suitable for reading for the valve gap of the utility model; Also fixed constraints adjusting driveshaft is exerted pressure to pressure spring; And presenting a theatrical performance as the last item on a programme of valve gap exert pressure fixingly to seal joint, and the upper end-hole of the flexible seal bowl sealing of fixing fine setting pressure regulation chamber realizes that the pressure regulation chamber constitutes the pressure regulation chamber of sealing.
Outer wall and the outer wall of water outlet valve chamber of water inlet valve chamber are provided with inlet gage reserved location and discharge pressure table reserved location, install the pressure of intaking in the pressure gauge mensuration valve body and the pressure of water outlet, the pressure of the interior water outlet current of regulation valve body according to design demand.
The water intake of valve body and water outlet place leave manometric position, and be very convenient and directly perceived when pressure regulation.
One end of pressure spring is inserted spring seat and is buckled in the bowl, and the other end of pressure spring is pressed into the adjusting gland, regulates gland integral body and is T-shaped; The middle part is a hollow tube; The hollow wall of regulating gland is provided with internal thread, and regulating gland top is the edge of a wing, and the other end of pressure spring is pushed down on the edge of a wing of regulating gland; The bottom of regulating gland is an inserted link, and the inserted link of regulating gland inserts in the other end of pressure spring.
Regulate driveshaft integral body and be column, the top of regulating driveshaft is provided with spacing shelves, and the diameter of spacing shelves is greater than the diameter of the hollow hole at valve gap top; The spacing shelves of regulating driveshaft place the inwall of the hollow hole of valve gap, and the hollow hole of valve gap is passed in the upper end portion of regulating driveshaft, and moving of driveshaft regulated in restriction; The bottom of regulating driveshaft is provided with screw thread; The screw thread of regulating driveshaft matches with the screw thread of regulating the gland internal diameter, and the bottom of adjusting driveshaft screws in from the hollow tube at the middle part of adjusting gland, and the upper end portion that regulates driveshaft is provided with swivelling chute; The rotation adjusting driveshaft drives regulates gland, and pressure spring is exerted pressure.
The utility model is regulated driveshaft and is driven the adjusting gland, and pressure spring is exerted pressure, and the reaction force of pressure spring is buckled bowl to spring seat and exerted pressure, and reaches the setting value of the pressure of current in the adjustment valve body.Through the pressure set points of the required water outlet of adjustment spring pressure acquisition, the flexible seal bowl of fine setting does not rub with other component in movement process, adopts less spring pressure can implement pressure regulation, and is especially more steady in the low-pressure state down-off.
The water intake of valve body is connected with aqueduct; The water source that aqueduct is carried is a high-pressure water, and the water outlet of valve body is connected with water pipeline, and the water source that gets into water pipeline is through post-decompression low pressure water source; The inlet gage reserved location setting pressure table of the outer wall of water inlet valve chamber; Measure the pressure that gets into water inlet valve chamber water source, the discharge pressure table reserved location setting pressure table of the outer wall of water outlet valve chamber is measured the pressure that gets into water outlet valve chamber water source.
According to the pressure that inlet gage reserved location setting pressure table shows, the pressure regulation driveshaft of rotary valve caping end, pressure regulation driveshaft drive to be regulated gland and regulates pressure spring spring seat is buckled the pressure of bowl, reaches setting value.
The high-pressure water that gets into the aqueduct of water inlet valve chamber from water intake gets into control stream chamber along the drainage ramp through irrigating gate; The high-pressure water of part aqueduct gets in the pressure regulating cavity tube of sealing from control stream chamber along the water channel between hydraulic pressure conduit and the strut; The high-pressure water that gets in the pressure regulating cavity tube is buckled bowl enforcement reaction thrust to the edge of a wing on strut top with by pressure spring promotion spring seat; The ultrahigh pressure water source maintains an equal level at the reaction thrust of the pressure regulating cavity cylinder pressure generation of sealing and the active force of pressure spring, reaches the then state of maintaining valve core assembly of setting value.
The high-pressure water of another part aqueduct flows out to the water outlet valve chamber from the bleeder of control stream chamber; The high-pressure water that opening restriction in the process that flows out between bleeder and the valve top is flowed out from the bleeder; Reach high-pressure water and be depressurized and become the low pressure water source, get into water pipeline to the low pressure water source from water outlet output.
Fluctuation can appear in the hydraulic pressure of the high-pressure water that aqueduct is carried; When raising, the hydraulic pressure of the high-pressure water of aqueduct exceeds setting value; The ultrahigh pressure water source gets into the water inlet valve chamber and gets into control stream chamber along the drainage ramp through irrigating gate; The ultrahigh pressure water source of part aqueduct gets in the pressure regulating cavity tube of sealing from control stream chamber along the water channel between hydraulic pressure conduit and the strut; Bowl enforcement reaction thrust is buckled to the edge of a wing on strut top with by pressure spring promotion spring seat in the ultrahigh pressure water source that gets in the pressure regulating cavity tube; The ultrahigh pressure water source has exceeded the pressure spring active force at the reaction thrust of the pressure regulating cavity cylinder pressure generation of sealing, promotes strut and spring seat button bowl and moves up, along with promoting moving up of strut and spring seat button bowl; The inverted U bowl body that drives the flexible seal bowl of fine setting upwards stretches, and the flexible seal bowl of fine setting still keeps sealing the pressure regulating cavity tube; Along with promoting moving up of strut, the valve top that drives the strut end moves up, and dwindles the opening between bleeder and the valve top, reduces the water-outlet quantity of bleeder, reaches setting value, keeps constant hydraulic pressure to export from water outlet.
When the hydraulic pressure of aqueduct high-pressure water is lower than setting value; The water source that is lower than setting value gets into the water inlet valve chamber and gets into control stream chamber along the drainage ramp through irrigating gate; The water source that is lower than setting value of part aqueduct gets in the pressure regulating cavity tube of sealing from control stream chamber along the water channel between hydraulic pressure conduit and the strut; Bowl enforcement reaction thrust is buckled to the edge of a wing on strut top with by pressure spring promotion spring seat in the water source that is lower than setting value that gets in the pressure regulating cavity tube; The water source that is lower than setting value is lower than the pressure spring active force at the reaction thrust of the pressure regulating cavity cylinder pressure generation of sealing, and pressure spring promotion strut and spring seat are buckled bowl and moved down, along with promoting moving down of strut and spring seat button bowl; The inverted U bowl body that drives the flexible seal bowl of fine setting stretches downwards, and the flexible seal bowl of fine setting still keeps sealing the pressure regulating cavity tube.Along with promoting moving down of strut, the valve top that drives the strut end moves down, and enlarges the opening between bleeder and the valve top, increases the water-outlet quantity of bleeder, reaches setting value, keeps constant hydraulic pressure to export from water outlet.
The utility model is the tilting reduction valve.The utility model design science, rational in infrastructure, reliable performance, parts are compact, and cost is low; Make simply, be beneficial to production, shock-resistant, ageing-resistant, nontoxic; Corrosion-resistant, anti-oxidant, it is metal threaded that water intake and water outlet stud with copper, improves the join strength of screw thread, is provided with anti-rotation platform; Make things convenient for screw-threaded coupling, sealing is more reliable, and the special construction design of the flexible seal bowl of fine setting does not in use rub with other component, reduces the frictional force in the movement process; Spring can be accomplished pressure regulation under less pressure, prolong the working life of Sealing, and is especially more steady in the low-pressure state down-off, utilizes the hydraulic pressure of carrying the water source to realize regulating automatically hydraulic pressure.Material cost has descended 70% than brass, and weight has descended 60%, and manufacturing efficiency improves 6 times, and product percent of pass improves 209%, and cost of production has descended 50% than metal pressure regulator valve.Be widely used in agricultural water-saving irrigation, irrigated area is big, especially uses in hillside fields and mountain area, saves a large amount of investments.The field that also can be used for the strict conveying water source of hydraulic pressure.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is specified.
The cross-sectional schematic of Fig. 1 tilting reduction valve
The schematic representation of Fig. 2 tilting reduction valve
The Spool assembly cross-sectional schematic of Fig. 3 tilting reduction valve
1 metal threaded cover, 2 valve bodies, 3 seal joints, 4 pressure springs, 5 regulate gland, 6 pressure regulation driveshafts, 7 valve gaps; 8 spring seat button bowls, 9 setscrew nuts, the flexible seal bowl of 10 fine settings, 11 spool main bodys, 12 spool connecting screw rods, 13 O-ring seals, 14 struts; 15 liners, 16 sealing gaskets, 17 valves top, 18 lock screws, 19 water intakes, 20 water outlets; 21 valve bodies are suitable for reading, 22 Spool assemblies, 23 pressure regulating cavity tubes, 24 drainage ramps, 25 water outlet valve chambers, control stream chambers 26; 27 hydraulic pressure conduits, 28 irrigating gates, 29 bleeders, 30 water intake valve chambers, 31 inlet gage reserved locations, 32 discharge pressure table reserved locations 33 are presented a theatrical performance as the last item on a programme.
Embodiment
Form by valve body (2), Spool assembly (22) and valve gap (7); Valve body (2) is three-way body; The two ends of valve body (2) are respectively water intake (19) and water outlet (20); The inwall of the port of the inwall of the port of water intake (19) and water outlet (20) is provided with metal threaded cover (1), the join strength of strengthened thread respectively.
The top of valve body (2) is provided with valve body (21) suitable for reading, and valve body (21) suitable for reading is to water intake (19) one sloped-end, and valve body (21) suitable for reading outer wall is provided with outside thread.Valve body (2) inner bottom part is the drainage ramp (24) of man type protuberance along valve chamber (25) inwall setting; Be divided into into water valve chamber (30) and water outlet valve chamber (25); The upper limb in drainage ramp (24) (21) suitable for reading with valve body inwall internal diameter is consistent; The angle of angle (21) suitable for reading with the valve body inwall that the upper limb in drainage ramp (24) tilts is consistent; Spool assembly (22) inserts from valve body (21) suitable for reading; The underpart of the lining (11) of Spool assembly (22) and the upper limb of drainage ramp (24) and valve body (21) suitable for reading inwall match, and force from the current of water intake (19) entering water inlet valve chamber (30) to flow chamber (26) along drainage ramp (24) through the control that irrigating gate (28) gets into Spool assembly (22), get into water outlet valve chamber (25) by controlling the bleeder (29) of flowing chamber (26) again; From water outlet (20) output, like Fig. 1, shown in Figure 2.
Spool assembly (22) is buckled bowl (8), setscrew nut (9), the flexible seal bowl (10) of fine setting, spool main body (11), spool connecting screw rod (12), O-ring seal (13), strut (14), liner (15), sealing gasket (16), valve top (17) and lock screw (18) by seal joint (3), pressure spring (4), adjusting gland (5), pressure regulation driveshaft (6), spring seat and is formed; Spool connecting screw rod (12) runs through spring seat button bowl (8), the flexible seal bowl (10) of fine setting, strut (14), spool main body (11), liner (15), sealing gasket (16) and valve top (17) from central division, and the two end part of spool connecting screw rod (12) are with setscrew nut (9) and lock screw (18) locking.
Spool main body (11) integral body is tubular; The top of spool main body (11) is pressure regulating cavity tube (23); Pressure regulating cavity tube (23) is the tubular blind hole; The central part of pressure regulating cavity tube (23) is provided with hydraulic pressure conduit (27), and hydraulic pressure conduit (27) is a tube-shaped through hole, runs through the tube end of pressure regulating cavity tube (23); Connect with the control stream chamber (26) of spool main body (11) bottom, the space between hydraulic pressure conduit (27) and the strut (14) forms the water channel that connects between pressure regulating cavity tube (23) and the control stream chamber (26).
The bottom of spool main body (11) is control stream chamber (26); At least 4 division post of periphery setting of control stream chamber (26); Be divided into 4 irrigating gates (28) to the periphery of control stream chamber (26); Irrigating gate (28) matches with the upper limb in water outlet valve chamber (25) interior drainage ramp (24), and the central part of the underpart of control stream chamber (26) is provided with bleeder (29), and the current that get into water inlet valve chamber (30) from water intake (19) get into control stream chamber (26) by irrigating gate (28); Flow into water outlet valve chamber (25) from the bleeder (29) of control stream chamber (26); By water outlet (20) output, the outer wall setting of the bleeder (29) of spool main body (11) bottom is around the seal groove of bleeder (29) again, and seal groove is embedded in O-ring seal (13).
Strut (14) integral body of Spool assembly (22) is T-shaped; Strut (14) top is the edge of a wing; The edge of a wing, top of strut (14) and spring seat button bowl (8) bottom match; The central part of strut (14) is a hollow tube, and hollow tube runs through strut (14), and the bore of the bore of the hollow tube of strut (14) and spool connecting screw rod (12) matches; The front end of strut (14) passes spool main body (11) from the hydraulic pressure access bridge (27) of spool main body (11); Retention gap between strut (14) and the hydraulic pressure conduit (27) is convenient to get in the current entering pressure regulating cavity tubes (23) of control stream chamber (26), and the tip portion of the lower end of strut (14) is provided with liner (15); Distance between the flexible seal bowl (10) of strut (14) fixing spring seat button bowl (8) and fine setting and sealing gasket (16) and the valve top (17) is along with bleeder (29) is sealed or opened on the wave zone motive sealing pad (16) and the valve top (17) of hydraulic pressure.
The edge of a wing, top of strut (14) is provided with the flexible seal bowl (10) of fine setting; Flexible seal bowl (10) integral body of fine setting is a bowl type; The bowl end of the flexible seal bowl (10) of fine setting, is open and flat, and a bowl end central part is provided with through hole, and the bowl body of the flexible seal bowl (10) of fine setting is the inverted U upset to launching all around; The edge of the flexible seal bowl (10) of fine setting is wide edge, and the flange seal circle is put in upper edge, the edge edge ring winding at edge.
The top of the flexible seal bowl (10) of fine setting is provided with spring seat and buckles bowl (8); Spring seat button bowl (8) integral body is bowl-shape; The bottom of spring seat button bowl (8) embeds in the flexible seal bowl (10) of fine setting; Flexible seal bowl (10) parcel of fine setting spring seat is buckled the bottom of bowl (8), and the edge of the flexible seal bowl (10) of fine setting covers the last tip portion of spool main body (11), and the top of flexible seal bowl (10) the sealing spool main body of fine setting (11) constitutes pressure regulation chamber (23).
The last tip portion of spool main body (11) is provided with seal joint (3); Seal joint (3) integral body in the form of a ring; The middle part is hollow; The bottom of seal joint (3) is provided with abduction along platform around the outer wall of seal joint (3); The abduction of seal joint (3) bottom is along being provided with annular seal groove in the platform, the annular seal groove of seal joint (3) matches with the flange seal circle of the flexible seal bowl (10) of fine setting, and seal joint (3) covers on the edge of the flexible seal bowl (10) of fine setting; The flange seal circle of the flexible seal bowl (10) of fine setting embeds in the annular seal groove of seal joint (3); The valve gap (7) of on valve body (21) suitable for reading, screwing, valve gap (7) compresses seal joint (3), and the edge that seal joint (3) compresses the flexible seal bowl (10) of fine setting simultaneously makes the top of spool main body (11) constitute the pressure regulation chamber (23) of sealing.
Liner (15) bottom of strut (14) lower end is provided with sealing gasket (16) and valve top (17), and valve top (17) integral body is frustum type, and the top on valve top (17) is provided with groove; Sealing gasket (16) embeds in the groove on valve top (17); At least 6 right angle type dividing plates of bottom equidistance setting on valve top (17) upwards promote along with moving sealing gasket (16) and valve top (17) on the strut (14), draught excluder bleeder (29) or unlatching bleeder (29); Form the opening of setting between bleeder (29) and the valve top (17); The restriction water source that flow out (29) from the bleeder reaches the water flow of setting value, like Fig. 1, shown in Figure 3.
Valve gap (7) integral body is cone table shape; The tip portion of valve gap (7) is provided with hollow hole; The hollow hole of valve gap (7) matches with the tip portion of regulating driveshaft (6), and the tip portion of regulating driveshaft (6) is passed the hollow hole at valve gap (7) top, and the inwall of the bottom of valve gap (7) is provided with internal thread; The outside thread of the internal thread of valve gap (7) and valve body (21) suitable for reading matches; Place in the valve gap (7) and regulate driveshaft (6), regulate gland (2) and pressure spring (4), valve gap (7) is buckled on the valve body (21) suitable for reading and screws, and the top of valve gap (7) internal thread is along inwall setting present a theatrical performance as the last item on a programme (33); The valve gap (7) of on valve body (21) suitable for reading, screwing; Seal joint (3) is pushed down in present a theatrical performance as the last item on a programme (33) of valve gap (7), then regulates pressure spring (4) from the outside rotation adjusting driveshaft (6) of valve gap (7) spring seat is buckled bowl (8) applied pressure, like Fig. 1, shown in Figure 3.
The outer wall of water inlet valve chamber (30) and the outer wall of water outlet valve chamber (25) are provided with inlet gage reserved location (31) and discharge pressure table reserved location (32); Install pressure gauge according to design demand and measure the pressure of water inlet in the valve body (2) and the pressure of water outlet; The pressure of the interior water outlet current of regulation valve body (2) is like Fig. 1, shown in Figure 2.
One end of pressure spring (4) is inserted spring seat and is buckled in the bowl (8); The other end of pressure spring (4) is pressed into regulates gland (2); Regulate gland (2) integral body and be T-shaped, the middle part is a hollow tube, and the hollow wall of regulating gland (2) is provided with internal thread; Regulating gland (2) top is the edge of a wing; The other end of pressure spring (4) is pushed down on the edge of a wing of regulating gland (2), and the bottom of regulating gland (2) is an inserted link, and the inserted link of regulating gland (2) inserts in the other end of pressure spring (4).
Regulate driveshaft (6) integral body and be column, the top of regulating driveshaft (6) is provided with spacing shelves, and the diameter of spacing shelves is greater than the diameter of the hollow hole at valve gap (7) top; The spacing shelves of regulating driveshaft (6) place the inwall of the hollow hole of valve gap (7); The hollow hole of valve gap (7) is passed in the upper end portion of regulating driveshaft (6), and moving of driveshaft regulated in restriction, and the bottom of regulating driveshaft (6) is provided with screw thread; The screw thread of regulating driveshaft (6) matches with the screw thread of regulating gland (2) internal diameter; Regulate the hollow tube screw-in of the bottom of driveshaft (6) from the middle part of adjusting gland (2), the upper end portion that regulates driveshaft (6) is provided with swivelling chute, and rotation adjusting driveshaft (6) drives regulates gland (2); Pressure spring (4) is exerted pressure, like Fig. 1, shown in Figure 3.
The water intake (19) of valve body (2) is connected with aqueduct; The water source that aqueduct is carried is a high-pressure water; The water outlet (20) of valve body (2) is connected with water pipeline; The water source that gets into water pipeline is through post-decompression low pressure water source, and inlet gage reserved location (31) the setting pressure table of the outer wall of water inlet valve chamber (30) is measured the pressure that gets into water inlet valve chamber (30) water source; Discharge pressure table reserved location (32) the setting pressure table of the outer wall of water outlet valve chamber (25) is measured the pressure that gets into water outlet valve chamber (25) water source.
Pressure according to the demonstration of inlet gage reserved location (31) setting pressure table; The pressure regulation driveshaft (6) on rotation valve gap (7) top; Pressure regulation driveshaft (6) drives adjusting gland (5) adjusting pressure spring (4) spring seat is buckled the pressure of bowl (8), reaches setting value.
The high-pressure water that gets into the aqueduct of water inlet valve chamber (30) from water intake (19) gets into control stream chamber (26) along drainage ramp (24) through irrigating gate (28); The high-pressure water of part aqueduct gets in the pressure regulating cavity tube (23) of sealing along the water channel between hydraulic pressure conduit (27) and the strut (14) from control stream chamber (26); The high-pressure water that gets in the pressure regulating cavity tube (23) is buckled bowl (8) enforcement reaction thrust to the edge of a wing on strut (14) top with by pressure spring (4) promotion spring seat; The ultrahigh pressure water source maintains an equal level at the reaction thrust of pressure regulating cavity tube (23) the internal pressure generation of sealing and the active force of pressure spring (4), reaches the then state of maintaining valve core assembly (22) of setting value.
The high-pressure water of another part aqueduct flows out to water outlet valve chamber (25) from the bleeder (29) of control stream chamber (26); The opening restriction high-pressure water that flow out (29) from the bleeder in the process that flows out between bleeder (29) and the valve top (17); Reaching high-pressure water is depressurized and becomes the low pressure water source; Get into water pipeline to the low pressure water source from water outlet (20) output, like Fig. 1, Fig. 2, shown in Figure 3.
Fluctuation can appear in the hydraulic pressure of the high-pressure water that aqueduct is carried; When raising, the hydraulic pressure of the high-pressure water of aqueduct exceeds setting value; The ultrahigh pressure water source gets into water inlet valve chamber (30) and gets into control stream chamber (26) along drainage ramp (24) through irrigating gate (28); The ultrahigh pressure water source of part aqueduct gets in the pressure regulating cavity tube (23) of sealing along the water channel between hydraulic pressure conduit (27) and the strut (14) from control stream chamber (26); Bowl (8) enforcement reaction thrust is buckled to the edge of a wing on strut (14) top with by pressure spring (4) promotion spring seat in the ultrahigh pressure water source that gets in the pressure regulating cavity tube (23); The ultrahigh pressure water source has exceeded pressure spring (4) active force at the reaction thrust of pressure regulating cavity tube (23) the internal pressure generation of sealing; Promoting strut (14) and spring seat button bowl (8) moves up; Along with promoting moving up of strut (14) and spring seat button bowl (8), the inverted U bowl body that drives the flexible seal bowl (10) of fine setting upwards stretches, and the flexible seal bowl (10) of fine setting still keeps sealing pressure regulating cavity tube (23); Along with promoting moving up of strut (14); The valve top (17) that drives strut (14) end moves up; Dwindle the opening between bleeder (29) and the valve top (17), reduce the water-outlet quantity of bleeder (29), reach setting value; Keep constant hydraulic pressure to export, like Fig. 1, Fig. 2, shown in Figure 3 from water outlet (25).
When the hydraulic pressure of aqueduct high-pressure water is lower than setting value; The water source that is lower than setting value gets into water inlet valve chamber (30) and gets into control stream chamber (26) along drainage ramp (24) through irrigating gate (28); The water source that is lower than setting value of part aqueduct gets in the pressure regulating cavity tube (23) of sealing along the water channel between hydraulic pressure conduit (27) and the strut (14) from control stream chamber (26); Bowl (8) enforcement reaction thrust is buckled to the edge of a wing on strut (14) top with by pressure spring (4) promotion spring seat in the water source that is lower than setting value that gets in the pressure regulating cavity tube (23); The water source that is lower than setting value is lower than pressure spring (4) active force at the reaction thrust of pressure regulating cavity tube (23) the internal pressure generation of sealing; Pressure spring (4) promotion strut (14) and spring seat are buckled bowl (8) and are moved down; Along with promoting moving down of strut (14) and spring seat button bowl (8); The inverted U bowl body that drives the flexible seal bowl (10) of fine setting stretches downwards, and the flexible seal bowl (10) of fine setting still keeps sealing pressure regulating cavity tube (23).Along with promoting moving down of strut (14); The valve top (17) that drives strut (14) end moves down; Enlarge the opening between bleeder (29) and the valve top (17), increase the water-outlet quantity of bleeder (29), reach setting value; Keep constant hydraulic pressure to export, like Fig. 1, Fig. 2, shown in Figure 3 from water outlet (25).
Claims (2)
1. tilting reduction valve; It is characterized in that forming by valve body (2), Spool assembly (22) and valve gap (7); Valve body (2) is three-way body; The two ends of valve body (2) are respectively water intake (19) and water outlet (20), and the inwall of the port of the inwall of the port of water intake (19) and water outlet (20) is provided with metal threaded cover (1), the join strength of strengthened thread respectively;
The top of valve body (2) is provided with valve body (21) suitable for reading, and valve body (21) suitable for reading is to water intake (19) one sloped-end, and valve body (21) suitable for reading outer wall is provided with outside thread; Valve body (2) inner bottom part is the drainage ramp (24) of man type protuberance along valve chamber (25) inwall setting; Be divided into into water valve chamber (30) and water outlet valve chamber (25); The upper limb in drainage ramp (24) (21) suitable for reading with valve body inwall internal diameter is consistent; The angle of angle (21) suitable for reading with the valve body inwall that the upper limb in drainage ramp (24) tilts is consistent; Spool assembly (22) inserts from valve body (21) suitable for reading; The underpart of the lining (11) of Spool assembly (22) and the upper limb of drainage ramp (24) and valve body (21) suitable for reading inwall match; Force from the current of water intake (19) entering water inlet valve chamber (30) and flow chamber (26) through the control that irrigating gate (28) gets into Spool assembly (22), get into water outlet valve chamber (25) by controlling the bleeder (29) of flowing chamber (26) again, export from water outlet (20) along drainage ramp (24);
Spool assembly (22) is buckled bowl (8), setscrew nut (9), the flexible seal bowl (10) of fine setting, spool main body (11), spool connecting screw rod (12), O-ring seal (13), strut (14), liner (15), sealing gasket (16), valve top (17) and lock screw (18) by seal joint (3), pressure spring (4), adjusting gland (5), pressure regulation driveshaft (6), spring seat and is formed; Spool connecting screw rod (12) runs through spring seat button bowl (8), the flexible seal bowl (10) of fine setting, strut (14), spool main body (11), liner (15), sealing gasket (16) and valve top (17) from central division, and the two end part of spool connecting screw rod (12) are with setscrew nut (9) and lock screw (18) locking;
Spool main body (11) integral body is tubular; The top of spool main body (11) is pressure regulating cavity tube (23); Pressure regulating cavity tube (23) is the tubular blind hole; The central part of pressure regulating cavity tube (23) is provided with hydraulic pressure conduit (27), and hydraulic pressure conduit (27) is a tube-shaped through hole, runs through the tube end of pressure regulating cavity tube (23); Connect with the control stream chamber (26) of spool main body (11) bottom, the space between hydraulic pressure conduit (27) and the strut (14) forms the water channel that connects between pressure regulating cavity tube (23) and the control stream chamber (26);
The bottom of spool main body (11) is control stream chamber (26); At least 4 division post of periphery setting of control stream chamber (26); Be divided into 4 irrigating gates (28) to the periphery of control stream chamber (26); Irrigating gate (28) matches with the upper limb in water outlet valve chamber (25) interior drainage ramp (24), and the central part of the underpart of control stream chamber (26) is provided with bleeder (29), and the current that get into water inlet valve chamber (30) from water intake (19) get into control stream chamber (26) by irrigating gate (28); Flow into water outlet valve chamber (25) from the bleeder (29) of control stream chamber (26); By water outlet (20) output, the outer wall setting of the bleeder (29) of spool main body (11) bottom is around the seal groove of bleeder (29) again, and seal groove is embedded in O-ring seal (13);
Strut (14) integral body of Spool assembly (22) is T-shaped; Strut (14) top is the edge of a wing; The edge of a wing, top of strut (14) and spring seat button bowl (8) bottom match; The central part of strut (14) is a hollow tube, and hollow tube runs through strut (14), and the bore of the bore of the hollow tube of strut (14) and spool connecting screw rod (12) matches; The front end of strut (14) passes spool main body (11) from the hydraulic pressure access bridge (27) of spool main body (11); Retention gap between strut (14) and the hydraulic pressure conduit (27) is convenient to get in the current entering pressure regulating cavity tubes (23) of control stream chamber (26), and the tip portion of the lower end of strut (14) is provided with liner (15); Distance between the flexible seal bowl (10) of strut (14) fixing spring seat button bowl (8) and fine setting and sealing gasket (16) and the valve top (17) is along with bleeder (29) is sealed or opened on the wave zone motive sealing pad (16) and the valve top (17) of hydraulic pressure;
The edge of a wing, top of strut (14) is provided with the flexible seal bowl (10) of fine setting; Flexible seal bowl (10) integral body of fine setting is a bowl type; The bowl end of the flexible seal bowl (10) of fine setting, is open and flat, and a bowl end central part is provided with through hole, and the bowl body of the flexible seal bowl (10) of fine setting is the inverted U upset to launching all around; The edge of the flexible seal bowl (10) of fine setting is wide edge, and the flange seal circle is put in upper edge, the edge edge ring winding at edge;
The top of the flexible seal bowl (10) of fine setting is provided with spring seat and buckles bowl (8); Spring seat button bowl (8) integral body is bowl-shape; The bottom of spring seat button bowl (8) embeds in the flexible seal bowl (10) of fine setting; Flexible seal bowl (10) parcel of fine setting spring seat is buckled the bottom of bowl (8), and the edge of the flexible seal bowl (10) of fine setting covers the last tip portion of spool main body (11), and the top of flexible seal bowl (10) the sealing spool main body of fine setting (11) constitutes pressure regulation chamber (23);
The last tip portion of spool main body (11) is provided with seal joint (3); Seal joint (3) integral body in the form of a ring; The middle part is hollow; The bottom of seal joint (3) is provided with abduction along platform around the outer wall of seal joint (3); The abduction of seal joint (3) bottom is along being provided with annular seal groove in the platform, the annular seal groove of seal joint (3) matches with the flange seal circle of the flexible seal bowl (10) of fine setting, and seal joint (3) covers on the edge of the flexible seal bowl (10) of fine setting; The flange seal circle of the flexible seal bowl (10) of fine setting embeds in the annular seal groove of seal joint (3); The valve gap (7) of on valve body (21) suitable for reading, screwing, valve gap (7) compresses seal joint (3), and the edge that seal joint (3) compresses the flexible seal bowl (10) of fine setting simultaneously makes the top of spool main body (11) constitute the pressure regulation chamber (23) of sealing;
Liner (15) bottom of strut (14) lower end is provided with sealing gasket (16) and valve top (17); Valve top (17) integral body is frustum type, and the top on valve top (17) is provided with groove, and sealing gasket (16) embeds in the groove on valve top (17); At least 6 right angle type dividing plates of bottom equidistance setting on valve top (17); Upwards promote along with moving sealing gasket (16) and valve top (17) on the strut (14), sealing bleeder (29) or unlatching bleeder (29) form the opening of setting between bleeder (29) and the valve top (17); The restriction water source that flow out (29) from the bleeder reaches the water flow of setting value;
Valve gap (7) integral body is cone table shape; The tip portion of valve gap (7) is provided with hollow hole; The hollow hole of valve gap (7) matches with the tip portion of regulating driveshaft (6); The tip portion of regulating driveshaft (6) is passed the hollow hole at valve gap (7) top, and the inwall of the bottom of valve gap (7) is provided with internal thread, and the outside thread of the internal thread of valve gap (7) and valve body (21) suitable for reading matches; Place in the valve gap (7) and regulate driveshaft (6), regulate gland (2) and pressure spring (4); Valve gap (7) is buckled on the valve body (21) suitable for reading and screws, and presents a theatrical performance as the last item on a programme along the inwall setting in the top of valve gap (7) internal thread, the valve gap (7) of on valve body (21) suitable for reading, screwing; Seal joint (3) is pushed down in presenting a theatrical performance as the last item on a programme of valve gap (7), then regulates pressure spring (4) from the outside rotation adjusting driveshaft (6) of valve gap (7) spring seat is buckled bowl (8) applied pressure.
2. tilting reduction valve according to claim 1; It is characterized in that the outer wall of described water inlet valve chamber (30) and the outer wall of water outlet valve chamber (25) are provided with inlet gage reserved location (31) and discharge pressure table reserved location (32); Install pressure gauge according to design demand and measure the pressure of water inlet in the valve body (2) and the pressure of water outlet, the pressure of the interior water outlet current of regulation valve body (2);
One end of pressure spring (4) is inserted spring seat and is buckled in the bowl (8); The other end of pressure spring (4) is pressed into regulates gland (2); Regulate gland (2) integral body and be T-shaped, the middle part is a hollow tube, and the hollow wall of regulating gland (2) is provided with internal thread; Regulating gland (2) top is the edge of a wing; The other end of pressure spring (4) is pushed down on the edge of a wing of regulating gland (2), and the bottom of regulating gland (2) is an inserted link, and the inserted link of regulating gland (2) inserts in the other end of pressure spring (4);
Regulate driveshaft (6) integral body and be column; The top of regulating driveshaft (6) is provided with spacing shelves, and the diameter of spacing shelves is greater than the diameter of the hollow hole at valve gap (7) top, and the spacing shelves of regulating driveshaft (6) place the inwall of the hollow hole of valve gap (7); The hollow hole of valve gap (7) is passed in the upper end portion of regulating driveshaft (6); Moving of driveshaft regulated in restriction, and the bottom of regulating driveshaft (6) is provided with screw thread, and the screw thread of regulating driveshaft (6) matches with the screw thread of regulating gland (2) internal diameter; Regulate the hollow tube screw-in of the bottom of driveshaft (6) from the middle part of adjusting gland (2); The upper end portion that regulates driveshaft (6) is provided with swivelling chute, and rotation adjusting driveshaft (6) drives regulates gland (2), and pressure spring (4) is exerted pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205606912U CN202402739U (en) | 2011-12-29 | 2011-12-29 | Inclined reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205606912U CN202402739U (en) | 2011-12-29 | 2011-12-29 | Inclined reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202402739U true CN202402739U (en) | 2012-08-29 |
Family
ID=46700388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205606912U Expired - Fee Related CN202402739U (en) | 2011-12-29 | 2011-12-29 | Inclined reducing valve |
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| Country | Link |
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| CN (1) | CN202402739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518849A (en) * | 2011-12-29 | 2012-06-27 | 天津市津水工程新技术开发公司 | Inclined type pressure regulating valve, manufacturing method and application method |
| CN111336305A (en) * | 2020-04-17 | 2020-06-26 | 钟毅 | Angle valve with constant pressure and constant flow function |
-
2011
- 2011-12-29 CN CN2011205606912U patent/CN202402739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518849A (en) * | 2011-12-29 | 2012-06-27 | 天津市津水工程新技术开发公司 | Inclined type pressure regulating valve, manufacturing method and application method |
| CN102518849B (en) * | 2011-12-29 | 2013-09-18 | 天津市津水工程新技术开发公司 | Inclined type pressure regulating valve, manufacturing method and application method |
| CN111336305A (en) * | 2020-04-17 | 2020-06-26 | 钟毅 | Angle valve with constant pressure and constant flow function |
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