CN107387846B - A kind of mechanical linkage control device of linkage valve - Google Patents

A kind of mechanical linkage control device of linkage valve Download PDF

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Publication number
CN107387846B
CN107387846B CN201710778071.8A CN201710778071A CN107387846B CN 107387846 B CN107387846 B CN 107387846B CN 201710778071 A CN201710778071 A CN 201710778071A CN 107387846 B CN107387846 B CN 107387846B
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China
Prior art keywords
valve
push
pull rod
linkage
type
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CN201710778071.8A
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Chinese (zh)
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CN107387846A (en
Inventor
郭革委
何应丽
陈莉
何静
苏美玲
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Jiangsu Jingcheng Valve Manufacturing Co ltd
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Guizhou Chuang Neng Technology Co Ltd
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    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1223Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10Valves; Arrangement of valves
    • F04B53/102Disc valves
    • F04B53/1022Disc valves having means for guiding the closure member axially
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • 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
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0008Mechanical means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention discloses a kind of mechanical linkage control devices of linkage valve, valve five and valve six including the linkage being connect with high pressure intake-outlet, valve five includes valve plate five and valve chamber five, five lower end of valve plate is connected with valve shaft five, valve shaft five axially displaceably passes through valve chamber five and can will seal inner hole in valve chamber five after the movement of valve plate five, valve six includes valve plate six and valve chamber six, six lower end of valve plate is connected with valve shaft six, valve shaft six axially displaceably passes through valve chamber six and can will seal inner hole in valve chamber five after the movement of valve plate five, and valve shaft five and valve shaft six are connected by linkage mechanism;The present invention carries out linkage control to plunger case using mechanical linkage valve, realizes moving back and forth for plunger case, obtains the high voltage power of suction pump, mechanical linkage valve, structure is simple, at low cost, it is easy to control, using water potential energy as power source, avoid using electric energy, more the saving energy, using water as power source, it does not pollute, cost is lower, more environmentally-friendly.

Description

A kind of mechanical linkage control device of linkage valve
Technical field
The invention belongs to pressure pump technical fields, are related to a kind of mechanical linkage control device of linkage valve.
Background technique
Existing water pump provides power source by motor, and motor drives the squeezer structure inside water pump, squeezer structure Quickly water moves forward in driving pump briefly, realizes drawing water for water pump, for drawing water for high lift, in existing technology not Have for mechanical linkage valve, using electronic, this kind of mode power consumption is big, and it is at high cost, and not environmentally.
Summary of the invention
The technical problem to be solved by the present invention is a kind of mechanical linkage control device of linkage valve is provided, it is mechanical Linkage valve realizes the disengaging water management of plunger case, at low cost, and environmental protection is of the existing technology to overcome the problems, such as.
The technical scheme adopted by the invention is as follows: a kind of mechanical linkage control device of linkage valve, including valve shaft five and valve The linkage mechanism of axis six-linkage, linkage mechanism include the second L-type rocking bar of the first L-type rocking bar to stand upside down and handstand, and the first L-type is shaken Bar corner point is hinged at fixed hinge point one, and both ends are connected respectively on valve shaft five and push-pull rod, the second L-type rocking bar turning Point articulated both ends are connected respectively on valve shaft six and push-pull rod at fixed hinge point two, and push-pull rod is respectively protruding into valve five The side-walls of valve six are provided with valve seven and valve eight, valve seven and valve eight one open a conjunction in push rod moves back and forth, Left and right pushing mechanism is provided in the middle part of push-pull rod.
Preferably, above-mentioned left and right pushing mechanism includes two limit push plates and L-type push-pull rod, and two limit push plates are vertically upright It is connected on the push-pull rod between valve five and valve six, L-type push-pull rod short end is embedded between two limit push plates, can will push away Pull rod moves back and forth, and L-type push-pull rod passes through guide sleeve and is hinged to driven rod one, and one other end of driven rod is hinged to rocking bar one end, Guide sleeve is fixedly connected on valve six, is hinged on fixed hinge point three in the middle part of rocking bar, the other end is hinged to driven rod two, band Lever two is hinged on power rail, and power rail is connected on plunger after passing through plunger cavity.
Preferably, above-mentioned push-pull rod lower part is provided with the V-type limited block of protrusion, and V-type limited block is located under two limit push plates Just keep left position, further includes expansion baffle rod, and expansion baffle rod is inserted into sleeve, and the upper end is resisted against V-type limit after stretching out sleeve Block bottom face, lower end are connected with compressed spring, and the compressed spring other end is connected to sleeve bottom end.
Beneficial effects of the present invention: compared with prior art, effect of the invention is as follows:
1) gear of the invention for pushing push-pull rod to realize that more hinged interlocking bar form using left and right push-pull mechanism The valve shaft five of linkage valve and valve shaft six are connected on the plunger of plunger case by structure, and valve five and valve are realized in moving back and forth for plunger The opening and closing linkage of door six, mechanical from controlling, control precision is high, and at low cost, structure is simple, using water potential energy as Power source avoids not polluting, cost is lower, more environmentally-friendly using electric energy, more the saving energy;
2) using limit push plate and L-type push-pull rod, the push-pull rod for realizing that valve five and valve six link moves back and forth, and will It is connected on the plunger of plunger case, and plunger moves back and forth the opening and closing linkage for realizing valve five and valve six, machinery Formula controls certainly, and control precision is high, and at low cost, structure is simple;
3) push-pull rod bottom is provided with limited block, the valve opening of six upper side wall of valve five and valve can be opened or closed It is even closer, realize that linkage action is more accurate.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is pressurizing device structural schematic diagram of the invention;
Plunger case structural schematic diagram Fig. 3 of the invention;
Fig. 4 is water pump structure schematic diagram of the invention;
Fig. 5 is six structural schematic diagram of valve five and valve of linkage of the invention;
Fig. 6 connects control structure schematic diagram between plunger case and valve five of the invention, valve six;
Fig. 7 is the portion the A enlarged structure schematic diagram of Fig. 6.
Specific embodiment
Embodiment 1: as shown in Fig. 1 ~ Fig. 7, a kind of mechanical linkage control device of linkage valve, including 5 209 He of valve shaft The linkage mechanism that valve shaft 6 212 links, linkage mechanism include the first L-type rocking bar 213 to stand upside down and the second L-type rocking bar to stand upside down 214,213 corner point of the first L-type rocking bar is hinged at fixed hinge point 1, and both ends are connected respectively to valve shaft 5 209 and push away On pull rod 216,214 corner point of the second L-type rocking bar is hinged at fixed hinge point 2 217, and both ends are connected respectively to valve shaft six 212 and push-pull rod 216 on, push-pull rod 216 is respectively protruding into valve 5 205 and the side-walls of valve 6 206 are provided with valve 7 228 With valve 8 229, valve 7 228 and valve 8 229 one open a conjunction in push rod moves back and forth, and are provided in the middle part of push-pull rod 216 Left and right pushing mechanism, valve 7 228 include valve plate 7 230 and valve chamber 7 231, and valve plate 7 230 is located in valve 5 205, and solid Surely it is connected on push-pull rod 216, push-pull rod 216 passes through the valve shaft housing 7 232 in valve chamber 7 231, and valve 8 229 includes valve plate 8 233 and valve chamber 8 234, valve plate 8 233 is located in valve 6 205, and is fixedly connected on push-pull rod 216, and push-pull rod 216 is worn The valve shaft housing 8 235 in valve chamber 8 234 is crossed, push-pull rod, which moves left and right, to open and close valve plate seven and valve plate eight, together When one open a conjunction.
Preferably, above-mentioned left and right pushing mechanism includes two limit push plates 218 and L-type push-pull rod 219, two limit push plates 218 It is vertically upright connected on the push-pull rod 216 between valve 5 205 and valve 6 206, the insertion of 219 short end of L-type push-pull rod To between two limit push plates 218, push-pull rod 216 can be moved back and forth, L-type push-pull rod 219 passes through guide sleeve 220 and is hinged to drive Bar 1, one 237 other end of driven rod are hinged to 221 one end of rocking bar, and guide sleeve 220 is fixedly connected on valve 6 206, shakes It is hinged in the middle part of bar 221 on fixed hinge point 3 222, the other end is hinged to driven rod 2 236, and driven rod 2 236 is hinged to dynamic On power bar 223, power rail 223 is connected on plunger 201 after passing through plunger cavity 203.
Preferably, above-mentioned 216 lower part of push-pull rod is provided with the V-type limited block 224 of protrusion, and V-type limited block 224 is located at two limits Keep left position below the push plate 218 of position, further includes expansion baffle rod 225, and expansion baffle rod 225 is inserted into sleeve 226, and the upper end is stretched out 224 bottom face of V-type limited block is resisted against after sleeve 226, lower end is connected with compressed spring 227, the connection of 227 other end of compressed spring To 226 bottom end of sleeve, flexible 225 top of lever is provided with idler wheel 238.
Embodiment 2: as shown in Fig. 1 ~ Fig. 7, above-mentioned mechanical linkage control device is used for a kind of linkage valve, the valve packet The valve 5 205 and valve 6 206 of the linkage connecting with high pressure intake-outlet 204 are included, valve 5 205 includes 5 207 He of valve plate Valve chamber 5 208,5 207 lower end of valve plate are connected with valve shaft 5 209, and valve shaft 5 209 axially displaceably passes through valve chamber 5 208 and can Inner hole in valve chamber 5 208 will be sealed after the movement of valve plate 5 207, valve 6 206 includes valve plate 6 210 and valve chamber 6 211, valve plate six 206 lower ends are connected with valve shaft 6 212, and valve shaft 6 212 axially displaceably passes through valve chamber 6 211 and can be mobile by valve plate 6 210 Inner hole in valve chamber 6 211 is sealed afterwards, and valve shaft 5 209 and valve shaft 6 212 are connected by linkage mechanism.
Preferably, above-mentioned linkage mechanism includes the second L-type rocking bar 214 of the first L-type rocking bar 213 and handstand to stand upside down, the One L-type rocking bar, 213 corner point is hinged at fixed hinge point 1, and both ends are connected respectively to valve shaft 5 209 and push-pull rod On 216,214 corner point of the second L-type rocking bar is hinged at fixed hinge point 2 217, and both ends are connected respectively to 6 212 He of valve shaft On push-pull rod 216, push-pull rod 216 is respectively protruding into valve 5 205 and the side-walls of valve 6 206 are provided with valve 7 228 and valve Door 8 229, valve 7 228 and valve 8 229 one open a conjunction in push rod moves back and forth, left and right are provided in the middle part of push-pull rod 216 Pushing mechanism, valve 7 228 include valve plate 7 230 and valve chamber 7 231, and valve plate 7 230 is located in valve 5 205, and fixed company It connects on push-pull rod 216, push-pull rod 216 passes through the valve shaft housing 7 232 in valve chamber 7 231, and valve 8 229 includes valve plate eight 233 and valve chamber 8 234, valve plate 8 233 is located in valve 6 205, and is fixedly connected on push-pull rod 216, and push-pull rod 216 passes through Valve shaft housing 8 235 in valve chamber 8 234, push-pull rod, which moves left and right, to open and close valve plate seven and valve plate eight, simultaneously One opens a conjunction.
Preferably, above-mentioned left and right pushing mechanism includes two limit push plates 218 and L-type push-pull rod 219, two limit push plates 218 It is vertically upright connected on the push-pull rod 216 between valve 5 205 and valve 6 206, the insertion of 219 short end of L-type push-pull rod To between two limit push plates 218, push-pull rod 216 can be moved back and forth, L-type push-pull rod 219 passes through guide sleeve 220 and is hinged to drive Bar 1, one 237 other end of driven rod are hinged to 221 one end of rocking bar, and guide sleeve 220 is fixedly connected on valve 6 206, shakes It is hinged in the middle part of bar 221 on fixed hinge point 3 222, the other end is hinged to driven rod 2 236, and driven rod 2 236 is hinged to dynamic On power bar 223, power rail 223 is connected on plunger 201 after passing through plunger cavity 203.
Embodiment 3: as shown in figs. 1-7, above-mentioned linkage valve device is used for a kind of plunger case, which includes plunger 201 and push rod 202, plunger 201 be placed in plunger cavity 203, push rod 202 is fixedly connected on the plunger 201 of suction pump, stretch out one End is connected to piston 501, and plunger cavity 203 is provided with high pressure intake-outlet 204.
Preferably, the above-mentioned same plunger case 2 is connected with two suction pumps 5, and plunger is stretched out at 202 both ends of push rod of plunger case 2 The plunger 501 of two suction pumps 5 is connected to after chamber 203.
Embodiment 3: as shown in figs. 1-7, above-mentioned plunger case is pumped for a kind of for high pressure water extraction, and high pressure water extraction pump includes extremely A few pressurizing device 1, plunger case 2 and suction pump 5, the water inlet pipe 3 of each pressurizing device 1 are connected to high-level water source mouth, are discharged Pipe 4 is connected to plunger case 2, and the push rod 202 of plunger case 2 is connected to the piston 501 of suction pump 5, and the water inlet of suction pump 5 is connected to Low level water source mouth, water outlet are connected to user's water supply water pipe.
Preferably, above-mentioned pressurizing device 1 includes cavity 101, and the water inlet one end side wall of cavity 101 is provided with valve 1, out Valve 2 103 is arranged in water one end, and valve 1 includes valve plate 1 and valve chamber 1, and one 110 upper surface of valve plate is connected with valve Axis 1, valve shaft 1 are connected to shock plate 115 after passing through valve chamber 1, and valve chamber 1 is arranged on 101 side wall of cavity, Valve shaft 1 is axially displaceably connected to impact board mount 104 and can be by the mobile rear enclosed valve chamber 1 of valve plate 110, impact Board mount 115 is fixedly connected in the valve opening 1 of the extraneous valve chamber 1 of connection, and valve 2 103 includes 2 112 He of valve plate Valve chamber 2 113,2 112 left side of valve plate are connected with valve shaft 2 106, and right side is connected with compressed spring 1, valve shaft 2 106 It axially displaceably penetrates in valve shaft housing 108 and the mobile rear enclosed valve chamber 2 113 of valve plate 2 112, valve shaft housing 108 can be consolidated Surely it is connected in the valve opening two of valve chamber 2 113, one 107 right end of compressed spring is connected on spring support 109.
Preferably, above-mentioned multiple pressurizing devices 1 are connected in parallel.
Preferably, above-mentioned suction pump 5 includes piston 501 and aerating chamber 502, and the setting of aerating chamber 502 is being drawn water on chamber 503 simultaneously Chamber 503 is connected to drawing water, and draws water 503 water inlet end of chamber and water outlet is respectively arranged with valve 3 504 and valve 4 505, valve three 504 include valve plate 3 506 and valve chamber 3 507, and 3 506 lower end of valve plate is connected with valve shaft 3 508, and valve shaft 3 508 is axially movable Ground is connected to valve shaft housing 3 509 and can will seal valve chamber 3 507 after the movement of valve plate 3 506, and valve shaft housing 3 509 is fixedly connected In valve chamber 3 507,3 506 upper end of valve plate is provided with reset spring 3 515, and 3 515 upper end of reset spring, which is fixedly connected on, to be added On 502 lateral wall of air cavity, valve 4 505 includes valve plate 4 510 and valve chamber 4 511, and 4 510 lower end of valve plate is connected with valve shaft four 512, valve shaft 4 512 is axially displaceably connected to valve shaft housing 4 513 and can will seal valve chamber four after the movement of valve plate 4 510 511, valve shaft housing 4 513 is fixedly connected in valve chamber 4 511, and 4 510 upper end of valve plate is provided with reset spring 4 514, is resetted 3 515 upper end of spring is fixedly connected in support plate 516, and support plate 516 is fixedly connected in valve chamber 4 511.
Pressurizing device uses principle: the high-order low pressure water source of great rivers enters water inlet pipe 3, reaches and is mounted on adding for low level Pressure device 1, into the cavity 101 of the pressurizing device 1 of multiple parallel connections, water flow is along one 114 straight line of valve shaft after 101 water of cavity is full It goes out upwards, flow rate of water flow is increasing and impacts shock plate 115, when upward impact force is greater than shock plate, valve shaft and valve When the gravity of plate, for the valve plate one of valve one in the case where shock plate drives valve shaft one, valve plate one is rapidly moving upward and closes Valve one, at this time due to inertia, liquid in pipe of intaking continues to keep original high-speed motion state to keep generation in cavity 101 very high Fluid pressure, when fluid pressure be greater than valve two spring pressure when, push valve two open, liquid at high speed is gone out, into high pressure Outlet pipe, after liquid at high speed is gone out, rapid pressure drop in cavity 1, spring push valve two valve plate two to valve two into Row is closed, and high-pressure outlet, valve plate one does not stress, due to the gravity of its building block (valve shaft one and shock plate), decline Valve one is opened, liquid passes through valve shaft one again and impacts shock plate again, and valve plate one rises closing valve one again, and uphill process is not Disconnected to repeat, liquid constantly enters high-pressure intake pipe, the effect of accumulator be when water rushes two high speed of valve and goes out, cannot in cavity Water is transported away in time, there is air inside accumulator, air has compressibility, so valve two opening be some water immediately Into in accumulator, when valve two is closed, since the pressure inside accumulator is greater than the intracorporal pressure of chamber, the water entered is again It flows into cavity and is entering high-pressure intake pipe.
When the water of above-mentioned pressurizing device outflow enters valve manifold, valve manifold is connected to the valve five and valve of two linkages Six, plunger is in the leftmost position of plunger case at this time, and valve six is closed, and valve eight is opened, and valve five is opened, and valve seven closes It closes, valve four is closed, and then water enters valve chamber five from valve five, and valve chamber five is connected to plunger case left end water inlet, to push column Plunger is mobile from the left side to the right in plug cylinder, while being displaced outwardly together with piston, after piston is displaced outwardly, in suction pump Vacuum degree increases, and the inside air pressure is less than outside atmosphere pressure, and therefore, atmospheric pressure pushes water to enter from the water inlet end for the chamber that draws water, and pushes Valve three is opened, and water is intracavitary into drawing water, at this point, the piston on right side moves right, is pushed the intracavitary water that draws water on right side, is worked as liquid When body pressure is greater than surface pressure outside outlet pipe, the valve four on right side is opened, and the valve three on right side is closed under the action of the spring, and water is high Speed enters outlet pipe, and the repetition that plunger moves back and forth the suction pump of realization two sides, which is drawn water, presses water, and plunger is much larger than plunger connection Push rod.
Above-mentioned plunger drives during moving back and forth, and power rail is driven to move back and forth, during power rail moves right, band Shake bar to rotate around fixed hinge point 3 222, drives L-type push-pull rod 219 to be moved to the left after rocking bar rotation, L-type push-pull rod is another End pulls limit push plate to realize that push-pull rod is moved to the left, and valve plate eight is pushed to be closed, and valve plate seven is opened, and valve plate seven drives the first L-type Rocking bar 213 is rotated around fixed hinge point 1, under being rotated down of 213 upper end of the first L-type rocking bar, valve plate five is driven to be closed Valve five, valve plate eight drive the second L-type rocking bar 214 to rotate around fixed hinge point 2 217, the second L-type rocking bar 214 upper end to Under upper rotation, valve plate six is opened, and water enters the water inlet of plunger case right end from valve chamber six, so that plunger is pushed to be moved to the left, it is real Existing plunger case left end water enters in valve chamber five, overflows from valve seven, and moving back and forth for plunger drives linkage mechanism to realize valve Five and valve six, valve seven and valve 8 one open a conjunction.
The V-type limited block being arranged on the downside of above-mentioned push-pull rod, push-pull rod is moved to the left, when idler wheel crosses V-type limited block top, Idler wheel connection expansion baffle rod under the action of the spring, the stress of idler wheel is upward, contact V-type limited block right side at stress Vertically one thrust to the left is generated to push-pull rod, push-pull rod is promoted to fast move realization according to by force resolution with right side The opening of valve seven and the closing of valve eight, move right similarly, to improve the sensitivity of valve seven and valve eight and close Seal reliability.
The above-mentioned water being pumped into that draws water can be the water overflowed at pressurizing device or linkage valve, can also be downstream status Water.
The advantages of above-mentioned suction pump, is as follows:
1) high-order water potential energy impacts pressurizing device, the outflow of part water, and part water enters plunger case, and plunger case pushes suction pump It draws water, using water potential energy as power source, avoids using electric energy, more the saving energy, by using the water level of big potential energy The high-order water for obtaining small potential energy, obtains drawing water for high lift, using water as power source, does not pollute, and cost is lower, more ring It protects, waterpower utilization rate greatly improves;
2) closed using shock plate band movable valve one, and impact valve plate two with spring and open valve chamber two, water flow automatically into Enter the next waterpipe, pressure reduction resets under the action of the spring, is closed valve one at valve chamber one and shock plate and opens, circulation is real The pressurization of existing water, outflow part water flow into reservoir, and reservoir can be realized and be recycled as the water source that draws water of suction pump, By pressurization back and forth, the water level of high lift is obtained, using multiple pressurizing device parallel ways, the hydraulic pressure of acquisition is bigger;
3) moving back and forth by plunger case inner plunger, under the action of pressurizing device high pressure water, the power of push rod is more preferable, Two-way setting suction pump, plunger case utilization rate greatly improve, and efficiency of drawing water is double;
4) conjunction is opened by the one of suction pump inlet and outlet, fast implements drawing water for high lift;
5) using the valve five and valve six of linkage, linkage effect can be effectively controlled under the action of plunger case, controlled Make simpler convenience;
6) for linkage mechanism using mostly forming with interlocking bar, structure is simple, and at low cost, control is accurate reliable;
7) push-pull rod bottom is provided with limited block, the valve opening of six upper side wall of valve five and valve can be opened or closed It is even closer, realize that linkage action is more accurate.

Claims (3)

1. a kind of mechanical linkage control device of linkage valve, it is characterised in that: including valve shaft five (209) and valve shaft six (212) The linkage mechanism of linkage, linkage mechanism include the second L-type rocking bar (214) of the first L-type rocking bar (213) to stand upside down and handstand, the One L-type rocking bar (213) corner point is hinged at fixed hinge point one (215), and both ends are connected respectively to valve shaft five (209) and push away On pull rod (216), second L-type rocking bar (214) corner point is hinged at fixed hinge point two (217), and both ends are connected respectively to On valve shaft six (212) and push-pull rod (216), push-pull rod (216) is respectively protruding into the side wall of valve five (205) and valve six (206) Place is provided with valve seven (228) and valve eight (229), and valve seven (228) and valve eight (229) one are opened in push rod moves back and forth One closes, and is provided with left and right pushing mechanism in the middle part of push-pull rod (216).
2. the mechanical linkage control device of a kind of linkage valve according to claim 1, it is characterised in that: left and right promotion machine Structure includes two limits push plate (218) and L-type push-pull rod (219), and two limits push plate (218) are vertically upright connected to positioned at valve On push-pull rod (216) between five (205) and valve six (206), L-type push-pull rod (219) short end is embedded into two limit push plates (218) Between, push-pull rod (216) can be moved back and forth, L-type push-pull rod (219) passes through guide sleeve (220) and is hinged to driven rod one (237), driven rod one (237) other end is hinged to rocking bar (221) one end, and guide sleeve (220) is fixedly connected on valve six (206) On, it is hinged on fixed hinge point three (222) in the middle part of rocking bar (221), the other end is hinged to driven rod two (236), driven rod two (236) it is hinged on power rail (223), power rail (223) is connected on plunger (201) after passing through plunger cavity (203).
3. the mechanical linkage control device of a kind of linkage valve according to claim 2, it is characterised in that: push-pull rod (216) lower part is provided with the V-type limited block (224) of protrusion, and V-type limited block (224), which is located at below two limits push plate (218), to keep left Position further includes expansion baffle rod (225), and expansion baffle rod (225) is inserted into sleeve (226), after sleeve (226) are stretched out in the upper end It is resisted against V-type limited block (224) bottom face, lower end is connected with compressed spring (227), and compressed spring (227) other end is connected to Sleeve (226) bottom end.
CN201710778071.8A 2017-09-01 2017-09-01 A kind of mechanical linkage control device of linkage valve Active CN107387846B (en)

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CN113202726B (en) * 2021-06-11 2022-04-22 李建云 Intermittent adjusting device and valve control system
CN114934889B (en) * 2022-06-22 2024-02-13 上海申贝泵业制造有限公司 Double-acting reciprocating pump

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Address after: 224500 North Industrial Park of Yancheng Coastal Economic Development Zone, Jiangsu Province

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Denomination of invention: A mechanical linkage control device for linkage valves

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Pledgor: Jiangsu Jingcheng Valve Manufacturing Co.,Ltd.

Registration number: Y2023980036359