CN108317254A - A kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) - Google Patents

A kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) Download PDF

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Publication number
CN108317254A
CN108317254A CN201810051071.2A CN201810051071A CN108317254A CN 108317254 A CN108317254 A CN 108317254A CN 201810051071 A CN201810051071 A CN 201810051071A CN 108317254 A CN108317254 A CN 108317254A
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CN
China
Prior art keywords
valve
fixed
valve body
water
flap
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810051071.2A
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Chinese (zh)
Inventor
商球
何庆霞
刘丽霞
姚兰星
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商球
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Publication date
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Priority to CN201810051071.2A priority Critical patent/CN108317254A/en
Publication of CN108317254A publication Critical patent/CN108317254A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves

Abstract

The invention discloses a kind of current-limiting apparatus of the plumbing for building equipment robot control system(RCS), its structure includes water-in flange disk, fixing bolt, connecting tube, regulation handle, drop handle, connecting seat, mounting flange, water-output flange disk, application valve body, beneficial effects of the present invention:Water flows through exit of pump and is entered by the snout cavity of valve body, outlet plenum is flowed to after flap throttling limitation, play metering function, when pump head is more than the control pressure difference of current limliting pilot valve, current limliting pilot valve is closed, flap can reach maximum opening under the water pressure pushing of snout cavity, when switching off the pump, the outlet cavity pressure of valve body is more than snout cavity pressures, water flows through needle valve and flows into valve cover cavity, valve deck cavity pressure increases, diaphragm drives flap to close, play the role of Slow Close Valve, to play limitation water working flow, prevent termination of pumping reflux from acting on, with lighter in weight, adjustable range is big, the advantages that high sensitivity, effectively improve job stability.

Description

A kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS)
Technical field
The present invention is a kind of current-limiting apparatus of the plumbing for building equipment robot control system(RCS), belongs to building equipment field.
Background technology
Building equipment robot control system(RCS):Cold and heat source system, air conditioner ventilating system, wind turbine disc system, elevator device, discharge water system One of the systems such as system is integrated to be referred to as.System is mainly by running state monitoring and malfunction monitoring, to various kinds of equipment in building It carries out efficient management and control substantially reduces energy and disappear while providing optimal comfort environment, modem management pattern Consumption, therefore be widely used in the buildings such as office, hotel, hospital, market.
Regulating valve also known as control valve, in industrial automation process control field, by receiving regulation unit output Control signal, by power operation go to change rate-of flow, pressure, temperature, the technological parameters such as liquid level final control element. Generally it is made of executing agency and valve.If pressing stroke feature, regulating valve can be divided into Direct Travel and angle stroke;Match by it and holds The power that row mechanism uses can be divided into pneumatic control valve, electric control valve, three kinds of hydraulic adjusting valve;By its function and characteristic It is divided into three kinds of linear characteristic, equal percentage characteristics and parabolic characteristic.Regulating valve is suitable for empty gas and water, steam, various corrosivity The media such as medium, mud, oil product, regulating valve common classification:Pneumatic control valve, electric control valve, hydraulic adjusting valve, self-operated type tune Save valve.
But that there are adjustable ranges is small, adjusts that error is big, sensitivity is low and critical component service life is short for existing technology The deficiencies of, lead to the problem of water consumption for affecting building user.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of discharges for building equipment robot control system(RCS) The current-limiting apparatus of water, that there are adjustable ranges to solve existing technology is small, adjusts that error is big, sensitivity is low and critical component uses The deficiencies of short life, the problem of causing to affect the problem of water consumption of building user.
To achieve the goals above, the present invention is to realize by the following technical solutions:One kind being used for building equipment certainly The current-limiting apparatus of the plumbing of control system, structure include fixed footing, sewage draining exit, LOGO marks, fixed block, fixed screw, Water-in flange disk, fixing bolt, connecting tube, regulation handle, drop handle, connecting seat, mounting flange, water-output flange disk, control valve Body, the fixation footing set altogether there are two and level be welded in application valve body bottom both ends, the sewage draining exit is using welding Mode is fixed at application valve body bottom, before the mark rear ends the LOGO are pasted on application valve body using bonding way fixation End, the fixed block is set altogether is welded in application valve body front end both sides, the fixation spiral shell there are two and in symmetrical structure fixation Silk be threadedly coupled with fixed block, the water-in flange disk is consistent with water-output flange disk size, the water-in flange disk with go out Water ring flange is respectively welded in application valve body left and right ends, and the application valve body is used with water-in flange disk, water-output flange disk Interference fit connection, the connecting flange pan bottom is fixed at application valve body upper end, the connection using connection type Ring flange is fixed at application valve body upper end by multiple fixing bolts, and the connecting seat is fixed at company using welding manner Acting flange disk upper end, the drop handle bottom are fixed at connecting seat upper end using welding manner, and connecting tube fixation is set It is gap-matched in connecting seat front end and with it, the regulation handle bottom is fixed at using embedded mode in connecting tube It holds and uses interference fit to connect with it, the application valve body is by valve body, snout cavity, the first conduit, ball valve, filter, limit Conductance valve, connector, check valve, valve cover cavity, needle valve, the second conduit, bolt, diaphragm, outlet plenum, plug of removing contamination, blowdown chamber, First guide rod, pilot hole, valve seat, locating ring, gasket, the second guide rod, flap, spring base, spring, valve deck composition, institute The valve body stated includes valve seat and valve deck, and the valve body is fixed with blowdown chamber between middle part, and the blowdown chamber bottom is fixed It plug and is gap-matched with it equipped with removing contamination, first tube at one end is connected in snout cavity, and described first leads The pipe other end is connected to ball valve, and for the ball valve with filter using being electrically connected, the filter uses machine with current limliting pilot valve Tool connects, and the current limliting pilot valve is fixed with connector and uses mechanical connection, the current limliting pilot valve to be fixedly connected with it In check valve, the check valve is connected to valve deck one end, and the valve deck other end is fixedly connected on needle valve, the needle Type valve is connect by the second conduit with outlet plenum, and the valve deck is connect by two bolts with valve body screw thread, the diaphragm It is fixed between valve deck and valve body and is gap-matched with it, the flap is fixed above valve seat and is used with it Clearance fit, the spring base are fixed above flap, and the spring is fixed in valve cover cavity, the spring one End is connected to valve deck inner wall, and the spring other end is fixed above spring base and is matched therewith flexible connection, described The second guide rod be fixed in flap, the second described guide rod one end is extended to be gap-matched with spring, described The second guide rod other end be connected with flap, the locating ring is fixed at below the second guide rod and flap, described Flap in be fixed with two gaskets and with its use interference fit connect, the first described guide rod one end is fixedly connected Below locating ring, the first guide rod other end connects with pilot hole, and first guide rod and second is oriented to Bar matches flexible connection.
Further, second guide rod is by the body of rod, fixing nut, sealing shroud, the first card key, guide sleeve, wear-resisting Ring, the second card key, piston, piston rod, sealing ring, dustband, bushing composition.
Further, there are two the bushing is set altogether and size is consistent, and the liner horizontal is set to body of rod both ends, institute The piston stated is fixed in the body of rod.
Further, it is fixed with more than two wear rings in the piston and uses interference fit to connect with it, institute Piston rod one end and the guide sleeve stated connect, and the piston rod other end is connected with piston and is connect with nut thread.
Further, the upper and lower both sides of the piston rod, which are fixed with two fixing nuts and are used with it, is threadedly coupled, The dustband is set altogether is fixed at piston rod both sides there are two and in symmetrical structure, and the dustband is used with piston rod Clearance fit.
Further, the guide sleeve is fixed in the body of rod and uses interference fit to connect with it, the sealing Set is fixed at guide sleeve inner wall and is gap-matched with it, and first card key is consistent with the second card key size.
Further, first card key is fixed on the right side of sealing shroud and is gap-matched with it, and described the Two card keys are fixed on the left of nut, and the sealing ring is fixed at guide sleeve inner wall and is gap-matched with it.
Advantageous effect
A kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) of the invention, water flow through exit of pump by valve body Snout cavity enter, flow to outlet plenum after flap throttling limitation, play metering function, be more than current limliting pilot valve in pump head When controlling pressure difference, current limliting pilot valve is closed, and flap can reach maximum opening under the water pressure pushing of snout cavity, is being closed When water pump, the outlet cavity pressure of valve body is more than snout cavity pressures, and water flows through needle valve and flows into valve cover cavity, and valve deck cavity pressure increases, Diaphragm drives flap to close, and plays the role of Slow Close Valve, to play limitation water working flow, prevent termination of pumping reflux, Have many advantages, such as that lighter in weight, adjustable range be big, high sensitivity, effectively improves job stability.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the current-limiting apparatus of plumbing for building equipment robot control system(RCS) of the invention;
Fig. 2 is a kind of application valve body internal junction of the current-limiting apparatus of plumbing for building equipment robot control system(RCS) of the invention Composition;
Fig. 3 is the usage state diagram of application valve body of the present invention;
Fig. 4 is the second guide rod internal structure chart of application valve body of the present invention;
Fig. 5 is the A in Fig. 3.
In figure:Fixed footing -1, sewage draining exit -2, LOGO marks -3, fixed block -4, fixed screw -5, water-in flange disk -6, Fixing bolt -7, connecting tube -8, regulation handle -9, drop handle -10, connecting seat -11, mounting flange -12, water-output flange disk -13, Application valve body -14, valve body -1401, snout cavity -1402, the first conduit -1403, ball valve -1404, filter -1405, current limliting are led Valve -1406, connector -1407, check valve -1408, valve cover cavity -1409, needle valve -1410, the second conduit -1411, bolt - 1412, diaphragm -1413, outlet plenum -1414, plug -1415 of removing contamination, blowdown chamber -1416, the first guide rod -1417, pilot hole - 1418, valve seat -1419, locating ring -1420, gasket -1421, the second guide rod -1422, flap -1423, spring base -1424, Spring -1425, the body of rod -14221, fixing nut -14222, sealing shroud -14223, the first card key -14224, is led at valve deck -1426 To set -14225, wear ring -14226, the second card key -14227, piston -14228, piston rod -14229, sealing ring -142210, Dustband -142211, bushing -142212.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to Specific implementation mode, the present invention is further explained.
- Fig. 5 is please referred to Fig.1, the present invention provides a kind of current-limiting apparatus skill of the plumbing for building equipment robot control system(RCS) Art scheme:Its structure includes fixation footing 1, sewage draining exit 2, LOGO marks 3, fixed block 4, fixed screw 5, water-in flange disk 6, consolidates Determine bolt 7, connecting tube 8, regulation handle 9, drop handle 10, connecting seat 11, mounting flange 12, water-output flange disk 13, application valve body 14, the fixation footing 1 set altogether there are two and level be welded in 14 bottom both ends of application valve body, the sewage draining exit 2 uses Welding manner is fixed at 14 bottom of application valve body, and LOGO marks 3 rear end is pasted on control using bonding way fixation 14 front end of valve body, the fixed block 4 is set altogether is welded in 14 front end both sides of application valve body, institute there are two and in symmetrical structure fixation The fixed screw 5 stated is threadedly coupled with fixed block 4, and the water-in flange disk 6 is consistent with 13 size of water-output flange disk, described Water-in flange disk 6 is respectively welded with water-output flange disk 13 in 14 left and right ends of application valve body, the application valve body 14 and water inlet Ring flange 6, water-output flange disk 13 are connected using interference fit, and 12 bottom of mounting flange is set using connection type fixation In 14 upper end of application valve body, the mounting flange 12 is fixed at 14 upper end of application valve body, institute by multiple fixing bolts 7 The connecting seat 11 stated is fixed at 12 upper end of mounting flange using welding manner, and 10 bottom of drop handle uses welding manner It is fixed at 11 upper end of connecting seat, the connecting tube 8 is fixed at 11 front end of connecting seat and is gap-matched with it, described 9 bottom of regulation handle using embedded mode be fixed at 8 upper end of connecting tube and with its use interference fit connect, the control Valve body 14 processed by valve body 1401, snout cavity 1402, the first conduit 1403, ball valve 1404, filter 1405, current limliting pilot valve 1406, Connector 1407, valve cover cavity 1409, needle valve 1410, the second conduit 1411, bolt 1412, diaphragm 1413, goes out check valve 1408 Oral cavity 1414, plug 1415 of removing contamination, blowdown chamber 1416, the first guide rod 1417, pilot hole 1418, valve seat 1419, locating ring 1420, gasket 1421, the second guide rod 1422, flap 1423, spring base 1424, spring 1425, valve deck 1426 form, described Valve body 1401 include valve seat 1419 and valve deck 1426, be fixed with blowdown chamber 1416, institute between 1401 middle part of valve body 1416 bottom of blowdown chamber stated is fixed with to remove contamination and plug 1415 and is gap-matched with it, first conduit 1,403 1 End is connected in snout cavity 1402, and 1403 other end of the first conduit is connected to ball valve 1404, the ball valve 1404 with Filter 1405 is using electrical connection, and the filter 1405 with current limliting pilot valve 1406 using being mechanically connected, lead by the current limliting Valve 1406 is fixed with connector 1407 and uses mechanical connection, the current limliting pilot valve 1406 to be fixedly connected on check valve with it 1408, the check valve 1408 is connected to 1426 one end of valve deck, and 1426 other end of valve deck is fixedly connected on needle valve 1410, the needle valve 1410 is connect by the second conduit 1411 with outlet plenum 1414, and the valve deck 1426 passes through two Bolt 1412 is threadedly coupled with valve body 1401, the diaphragm 1413 be fixed between valve deck 1426 and valve body 1401 and and its It is gap-matched, the flap 1423 is fixed at 1419 top of valve seat and is gap-matched with it, the spring Seat 1424 is fixed at 1423 top of flap, and the spring 1425 is fixed in valve cover cavity 1409, the spring 1425 One end is connected to 1426 inner wall of valve deck, and 1425 other end of spring is fixed at 1424 top of spring base and is matched therewith Flexible connection, second guide rod 1422 are fixed in flap 1423, and described 1422 one end of the second guide rod extends To being gap-matched with spring 1425,1422 other end of the second guide rod is connected with flap 1423, and described determines Position ring 1420 is fixed at the second guide rod 1422 and 1423 lower section of flap, and two sealings are fixed in the flap 1423 Pad 1421 and with its use interference fit connect, described 1417 one end of the first guide rod is fixedly connected under locating ring 1420 Side, 1417 other end of the first guide rod connect with pilot hole 1418, and first guide rod 1417 is led with second Flexible connection is matched to bar 1422, second guide rod 1422 is by the body of rod 14221, fixing nut 14222, sealing shroud 14223, the first card key 14224, guide sleeve 14225, wear ring 14226, the second card key 14227, piston 14228, piston rod 14229, sealing ring 142210, dustband 142211, bushing 142212 form, the bushing 142212 set altogether there are two and ruler Very little consistent, the bushing 142212 is horizontal to be set to 14221 both ends of the body of rod, and the piston 14228 is fixed at the body of rod 14221 It is interior, it is fixed with more than two wear rings 14226 in the piston 14228 and uses interference fit to connect with it, it is described 14229 one end of piston rod connects with guide sleeve 14225,14229 other end of piston rod and piston 14228 be connected and It is connect with nut thread, about 14229 both sides of piston rod are fixed with two fixing nuts 14222 and use spiral shell with it Line connects, and the dustband 142211 sets there are two and is fixed at 14229 both sides of piston rod in symmetrical structure altogether, described Dustband 142211 is gap-matched with piston rod 14229, the guide sleeve 14225 be fixed in the body of rod 14221 and Interference fit is used to connect with it, the sealing shroud 14223 is fixed at 14225 inner wall of guide sleeve and uses gap to match with it It closes, first card key 14224 is consistent with 14227 size of the second card key, and first card key 14224 is fixed at sealing It is gap-matched on the right side of set 14223 and with it, second card key 14227 is fixed on the left of nut, the sealing Circle 142210 is fixed at 14225 inner wall of guide sleeve and is gap-matched with it.
Filter 1405 described in this patent is indispensable a kind of device on pumped (conveying) medium pipeline, is typically mounted on and subtracts Pressure valve, relief valve, Valve for keeping constant water level, the import end equipment of square work filter miscellaneous equipment.Filter by cylinder, stainless steel filtering net, Blowdown part, transmission device and electrical control division are grouped as.Pending water is after the filter cylinder of strainer screen, impurity quilt Blocking as long as dismountable filter cylinder is taken out, reloads, therefore, working service is extremely when needing cleaning after processing It is convenient.
In use, water flows through exit of pump is entered by the snout cavity 1402 of valve body 1401, throttle through flap 1423 Outlet plenum 1414 is flowed to after limitation, plays metering function, when pump head is more than the control pressure difference of current limliting pilot valve 1406, current limliting Pilot valve 1406 is closed, and flap 1423 can reach maximum opening under the water pressure pushing of snout cavity 1402, when needs change Variable-flow and when reducing water pump operation number of units, the pump capacity being currently running will increase, and lift reduces, and be led less than current limliting in lift When the control pressure difference of valve 1406, current limliting pilot valve 1406 is opened, and a part of water flows after flowing through current limliting pilot valve 1406 and check valve 1408 Enter valve cover cavity 1409, the water pressure in valve cover cavity 1409 is caused to increase, diaphragm 1413 drives flap 1423 to move down, and reduces flap Overflow section product between 1423 and valve seat 1419, water flow reduce therewith, and pump head increases therewith, equilibrium-like to be achieved When state, pump head is the control pressure difference of current limliting pilot valve 1406, when switching off the pump, 1414 pressure of outlet plenum of valve body 1401 More than 1402 pressure of snout cavity, water flows through needle valve 1410 and flows into valve cover cavity 1409, and 1409 pressure of valve cover cavity increases, diaphragm 1413 It drives flap 1423 to close, plays the role of Slow Close Valve, to play limitation water working flow, prevent termination of pumping reflux, Have many advantages, such as that lighter in weight, adjustable range be big, high sensitivity, effectively improves job stability.
The present invention solve existing technology there are adjustable ranges it is small, adjust that error is big, sensitivity is low and critical component uses The deficiencies of short life, the problem of causing to affect the problem of water consumption of building user, the present invention is combined with each other by above-mentioned component, To play limitation water working flow, prevent termination of pumping reflux, have many advantages, such as lighter in weight, adjustable range greatly, high sensitivity, Effectively improve job stability.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (7)

1. a kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS), structure includes fixed footing (1), sewage draining exit (2), LOGO indicates (3), fixed block (4), fixed screw (5), water-in flange disk (6), fixing bolt (7), connecting tube (8), adjusts Handle (9), drop handle (10), connecting seat (11), mounting flange (12), water-output flange disk (13), application valve body (14) are saved, it is special Sign is:
There are two the fixation footing (1) is set altogether and level is welded in application valve body (14) bottom both ends, the sewage draining exit (2) application valve body (14) bottom is fixed at using welding manner, LOGO marks (3) rear end is fixed using bonding way It is pasted on application valve body (14) front end, the fixed block (4) is set altogether is welded in control valve there are two and in symmetrical structure fixation Body (14) front end both sides, the fixed screw (5) are threadedly coupled with fixed block (4), the water-in flange disk (6) and water outlet Ring flange (13) size is consistent, and the water-in flange disk (6) is respectively welded with water-output flange disk (13) in application valve body (14) Left and right ends, the application valve body (14) are connected with water-in flange disk (6), water-output flange disk (13) using interference fit, institute Mounting flange (12) bottom stated is fixed at application valve body (14) upper end, the mounting flange using connection type (12) it is fixed at application valve body (14) upper end by multiple fixing bolts (7), the connecting seat (11) uses welding manner It is fixed at mounting flange (12) upper end, the drop handle (10) bottom is fixed at using welding manner on connecting seat (11) End, the connecting tube (8) are fixed at connecting seat (11) front end and are gap-matched with it, the regulation handle (9) Bottom is fixed at connecting tube (8) upper end using embedded mode and uses interference fit to connect with it;
The application valve body (14) is by valve body (1401), snout cavity (1402), the first conduit (1403), ball valve (1404), mistake Filter (1405), current limliting pilot valve (1406), connector (1407), check valve (1408), valve cover cavity (1409), needle valve (1410), the second conduit (1411), bolt (1412), diaphragm (1413), outlet plenum (1414), plug of removing contamination (1415), blowdown Chamber (1416), the first guide rod (1417), pilot hole (1418), valve seat (1419), locating ring (1420), gasket (1421), Second guide rod (1422), flap (1423), spring base (1424), spring (1425), valve deck (1426) composition;
The valve body (1401) includes valve seat (1419) and valve deck (1426), fixes and sets between the valve body (1401) middle part There are blowdown chamber (1416), the blowdown chamber (1416) bottom to be fixed with plug of removing contamination (1415) and use gap to match with it It closes, described the first conduit (1403) one end is connected in snout cavity (1402), and described the first conduit (1403) other end connects Be connected to ball valve (1404), the ball valve (1404) and filter (1405) using be electrically connected, the filter (1405) and Current limliting pilot valve (1406) is fixed with connector (1407) and is used with it using mechanical connection, the current limliting pilot valve (1406) Mechanical connection, the current limliting pilot valve (1406) are fixedly connected on check valve (1408), and the check valve (1408) is connected to Valve deck (1426) one end, the valve deck (1426) other end are fixedly connected on needle valve (1410), the needle valve (1410) it is connect with outlet plenum (1414) by the second conduit (1411), the valve deck (1426) passes through two bolts (1412) Be threadedly coupled with valve body (1401), the diaphragm (1413) be fixed between valve deck (1426) and valve body (1401) and and its It is gap-matched, the flap (1423) is fixed above valve seat (1419) and is gap-matched with it, described Spring base (1424) is fixed above flap (1423), and the spring (1425) is fixed in valve cover cavity (1409), institute Spring (1425) one end stated is connected to valve deck (1426) inner wall, and the spring (1425) other end is fixed at spring base (1424) above and it is matched therewith flexible connection, second guide rod (1422) is fixed in flap (1423), institute The second guide rod (1422) one end stated is extended to be gap-matched with spring (1425), second guide rod (1422) The other end is connected with flap (1423), and the locating ring (1420) is fixed at the second guide rod (1422) and flap (1423) lower section, the flap (1423) is interior to be fixed with two gaskets (1421) and uses interference fit to connect with it, Described the first guide rod (1417) one end is fixedly connected below locating ring (1420), and first guide rod (1417) is another One end connects with pilot hole (1418), and first guide rod (1417) matches activity with the second guide rod (1422) even It connects.
2. a kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) according to claim 1, feature exist In:Second guide rod (1422) is by the body of rod (14221), fixing nut (14222), sealing shroud (14223), the first card key (14224), guide sleeve (14225), wear ring (14226), the second card key (14227), piston (14228), piston rod (14229), sealing ring (142210), dustband (142211), bushing (142212) composition.
3. a kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) according to claim 2, feature exist In:There are two the bushing (142212) is set altogether and size is consistent, and the bushing (142212) is horizontal to be set to the body of rod (14221) both ends, the piston (14228) are fixed in the body of rod (14221).
4. a kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) according to claim 2, feature exist In:It is fixed with more than two wear rings (14226) in the piston (14228) and uses interference fit to connect with it, institute Piston rod (14229) one end stated connects with guide sleeve (14225), the piston rod (14229) other end and piston (14228) it is connected and is connect with nut thread.
5. a kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) according to claim 2, feature exist In:Both sides are fixed with two fixing nuts (14222) and are used with it and are threadedly coupled the piston rod (14229) up and down, The dustband (142211) is set altogether is fixed at piston rod (14229) both sides there are two and in symmetrical structure, and described is anti- Konisphere (142211) is gap-matched with piston rod (14229).
6. a kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) according to claim 2, feature exist In:The guide sleeve (14225) is fixed in the body of rod (14221) and uses interference fit to connect with it, the sealing Set (14223) be fixed at guide sleeve (14225) inner wall and be gap-matched with it, first card key (14224) with Second card key (14227) size is consistent.
7. a kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) according to claim 2, feature exist In:First card key (14224) is fixed on the right side of sealing shroud (14223) and is gap-matched with it, and described the Two card keys (14227) are fixed on the left of nut, the sealing ring (142210) be fixed at guide sleeve (14225) inner wall and It is gap-matched with it.
CN201810051071.2A 2018-01-19 2018-01-19 A kind of current-limiting apparatus of plumbing for building equipment robot control system(RCS) Withdrawn CN108317254A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110075591A (en) * 2019-03-18 2019-08-02 厦门倍洁特建材有限公司 Hide water tank pre-filtering device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728486A (en) * 2013-12-23 2015-06-24 青岛万力科技有限公司 Self-operated pressure differential filter flow-limiting valve for water pumps
CN104747763A (en) * 2013-12-25 2015-07-01 青岛万力科技有限公司 Current limiting check valve
CN205207320U (en) * 2015-12-11 2016-05-04 苏州源硕精密模具有限公司 Single piston rod pneumatic cylinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728486A (en) * 2013-12-23 2015-06-24 青岛万力科技有限公司 Self-operated pressure differential filter flow-limiting valve for water pumps
CN104747763A (en) * 2013-12-25 2015-07-01 青岛万力科技有限公司 Current limiting check valve
CN205207320U (en) * 2015-12-11 2016-05-04 苏州源硕精密模具有限公司 Single piston rod pneumatic cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110075591A (en) * 2019-03-18 2019-08-02 厦门倍洁特建材有限公司 Hide water tank pre-filtering device

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Application publication date: 20180724