CN110617214A - Pump liquid conveying method of double-core parallel pump - Google Patents
Pump liquid conveying method of double-core parallel pump Download PDFInfo
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- CN110617214A CN110617214A CN201910946161.2A CN201910946161A CN110617214A CN 110617214 A CN110617214 A CN 110617214A CN 201910946161 A CN201910946161 A CN 201910946161A CN 110617214 A CN110617214 A CN 110617214A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The invention provides a pump liquid conveying method of a double-core parallel pump, which comprises the following steps: firstly, connecting and communicating a liquid source spring with an input pipe through an input connector, and connecting and communicating an output pipeline with a discharge point through an output connector; then, the driving guide mechanism drives the push rod to slide along the axial direction of the liquid suction cavity, when the push rod slides towards the outside of the liquid suction cavity, the liquid suction cavity is converted into negative pressure and sucks liquid in the input pipe, and when the push rod slides towards the inside of the liquid suction cavity, the liquid in the liquid suction cavity is pressurized and is discharged to a discharge point through the output pipe; then, the driving guide mechanism drives the push rod to slide back and forth along the axial direction of the liquid suction cavity, and continuous pumping of liquid is completed; and finally, in the step one to the step three, the closed cavity in the auxiliary pump receives the rotation power of the core body to synchronously rotate, the liquid filled into the closed cavity from the input port synchronously rotates, and when the closed cavity rotates to the output port, the volume of the closed cavity is gradually reduced and the liquid in the closed cavity is pressurized and discharged.
Description
Technical Field
The invention relates to a pump, in particular to a pump liquid conveying method of a double-core parallel pump.
Background
The pump has a very wide application scene in production and life, for example, in agriculture, a water pump pumps river water to irrigate farmlands; in mining and metallurgical industries, a mine needs to be drained by a pump, and in the processes of ore dressing, smelting and rolling, the pump needs to be used for supplying water and the like; in the electric power department, nuclear main pumps, secondary pumps, tertiary pumps are needed in a nuclear power plant, and a large number of boiler feed pumps, condensate pumps, oil-gas mixing pumps, circulating water pumps, ash pumps and the like are needed in a thermal power plant;
in national defense construction, pumps are needed for adjusting airplane flaps, tail rudders and landing gears, rotating warships and tank turrets, sinking and floating submarines and the like; however, the existing pump has the obvious defects of high energy consumption, low working efficiency and single function, and only one input end and one output end are provided, so that different liquids cannot be independently conveyed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the pump liquid conveying method of the double-core parallel pump, which has the advantages of ingenious structure, simple principle, two independent input ends and two independent output ends and can simultaneously pump different liquids.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A pump liquid conveying method of a double-core parallel pump comprises the following steps:
(I) a main pump pumping stage;
s1: the liquid source spring is connected and communicated with the input pipe through the input connector, and the output pipeline is connected and communicated with the discharge point through the output connector;
the main pump comprises a pump body and a pump core component arranged in the pump body, the pump body consists of a cylinder body with an opening at one end and a circular sealing cover coaxially arranged at the opening of the cylinder body, the pump body is axially and horizontally arranged, the cylinder body and the sealing cover form sealing connection and matching, the pump core component comprises a self-suction mechanism for performing negative pressure suction and pressure discharge on liquid and a driving guide mechanism for transmitting the power of driving equipment to the self-suction mechanism, the input end of the self-suction mechanism movably penetrates through the bottom of the cylinder body and extends to the outside of the cylinder body, and the output end of the self-suction mechanism movably penetrates through the sealing;
the self-priming mechanism comprises a core body which is arranged in a pump body and is in regular hexagon arrangement, the axis of the circumferential direction of the core body is parallel to the axis of the pump body, the axis of the circumferential direction of the core body is deviated to the position under the axis of the pump body, cylindrical liquid suction cavities which are radially arranged along the circumferential direction of the core body are arranged on six side surfaces of the core body, a hard input tube is arranged on one end surface of the core body close to the bottom of the cylinder body, the axial direction of the input end is parallel to the axial direction of the circumference of the core body, the input tube is fixedly connected with the core body into a whole, a screw plug which is detachably connected and matched and is used for plugging the input tube is arranged in the input end of the input tube, an output end is inserted in the core body and is aligned with the liquid suction cavities, the end is arranged in a closed manner, a, the input end of the output pipe is communicated with the connecting groove, and the output end is arranged in a closed manner, in the using process, the liquid suction cavity is firstly communicated with the input pipe and sucks the liquid in the liquid through negative pressure, then the liquid suction cavity pressurizes the liquid in the liquid and is communicated with the output pipe in a connecting manner, and the pressurized liquid is discharged outwards through the output pipe;
s2: the driving guide mechanism receives the power of the driving device and drives a push rod in the self-suction mechanism to slide along the axial direction of the liquid suction cavity, when the push rod slides towards the outside of the liquid suction cavity, the liquid suction cavity is converted into negative pressure and sucks liquid in the input pipe, and when the push rod slides towards the inside of the liquid suction cavity, the liquid in the liquid suction cavity is pressurized and is discharged to a discharge point through the output pipe;
the liquid suction cavity is internally provided with a piston which forms a sealed sliding guide fit with the liquid suction cavity, the piston is coaxially and fixedly provided with a push rod extending to the outside of the liquid suction cavity, a first check valve is arranged between the liquid suction cavity and the output end of the input pipe, the first check valve comprises a first connecting hole which is coaxially arranged at the bottom of the liquid suction cavity and is communicated with the input pipe, a first connecting port with the diameter smaller than that of the first connecting hole is formed at the joint of the first connecting hole and the input pipe, an annular fixing plate which is communicated with the first connecting hole and the second connecting hole is coaxially embedded at the joint of the first connecting hole and the liquid suction cavity, a first sealing ball for abutting and plugging the first connecting port is arranged in the first connecting hole, a first abutting and pushing spring is also arranged in the first connecting hole, one end of the first abutting and pushing spring is fixedly connected with the fixing plate, the other end of the first abutting and pushing spring is fixedly connected with the first sealing ball;
a second one-way valve is arranged between the first connecting hole and the connecting groove, six second one-way valves are arranged and correspond to the first connecting hole one by one, the one-way valve II comprises a connecting hole II which is arranged on the end face of the core body close to the output pipe and is parallel to the axial direction of the output pipe, one end of the connecting hole II is connected and communicated with the middle position of the connecting hole I along the axial direction of the connecting hole I, the other end of the connecting hole II is arranged in a closed mode, a connecting hole II with the diameter smaller than that of the connecting hole II is formed at the connecting position of the connecting hole II and the connecting hole I, a through hole III for connecting and communicating the connecting hole II and the connecting hole II is formed between the connecting hole II and the connecting groove, a sealing ball II for abutting and plugging the connecting hole II is arranged in the connecting hole II, a pushing spring II is also arranged in the connecting hole II, one end of the pushing spring II;
the input pipe of the input pipe movably penetrates through the cylinder body and extends to the outside of the pump body, the output end of the output pipe movably penetrates through the sealing cover and extends to the outside of the pump body, an input connector communicated with the inside of the input pipe is sleeved on the outer circular surface of the input pipe, and an output connector communicated with the inside of the output pipe is sleeved on the outer circular surface of the output pipe;
during the working process of the self-suction mechanism, a user firstly connects and connects a source spring of liquid with an input pipe through an input connector, connects and connects a discharge point of the liquid with an output pipe through an output connector, then, a driving and guiding mechanism transmits the power of driving equipment to a push rod and drives the push rod to slide back and forth along the axial direction of a liquid suction cavity, when the push rod slides towards the outside of the liquid suction cavity, the push rod drives a piston to slide synchronously and enables the liquid suction cavity to be converted into negative pressure, under the action of pressure difference, the liquid pushes a sealing ball I to be separated from a connecting port I under the action of the elastic force of a pushing spring I, the liquid flows into the liquid suction cavity from a gap formed between the sealing ball I and the connecting port I until the negative pressure in the liquid suction cavity is neutralized, the elastic force of the pushing spring I is released and pushes the sealing ball I to reset, the one-way valve, when the push rod slides towards the interior of the liquid suction cavity, the push rod drives the piston to synchronously slide and pressurize liquid in the liquid suction cavity, the liquid overcomes the elastic force of the abutting and pushing spring II to push the sealing ball II to be separated from the connecting port II under the action of pressure difference, the pressurized liquid flows into the connecting hole II through a gap formed between the sealing ball II and the connecting port II, and then flows through the through hole III, the butt joint groove, the output pipe and the output joint until the pressurized liquid is output to a discharge point;
s3: the driving guide mechanism drives the push rod to slide in a reciprocating manner along the axial direction of the liquid suction cavity, so that the liquid suction cavity circularly sucks and discharges liquid, and pumping of the liquid is completed;
(II) a secondary pump pumping stage;
s4: in the process of S1-S3, a sealed cavity in the secondary pump receives the rotation power of the core body to synchronously rotate, liquid filled into the sealed cavity from an input port synchronously rotates, and when the sealed cavity rotates to an output port, the volume of the sealed cavity is gradually reduced and the liquid in the sealed cavity is pressurized and discharged;
the auxiliary pump comprises guide rods which are positioned in a sliding groove and fixedly connected with one end face of the sliding block, which is far away from the push rod, the axial direction of the guide rods is along the radial direction of a stabilizing disc, two guide rods are arranged side by side, a rectangular sealing slide block is movably sleeved on each guide rod, the length direction of each sealing slide block is arranged along the radial direction of the stabilizing disc, the width direction of each sealing slide block is parallel to the axial direction of a pump body, the sealing slide blocks and the sliding grooves form sliding guide fit along the radial direction of the stabilizing disc, each sealing slide block extends outwards from each sliding groove and forms sealing type contact with the inner wall of a cylinder body, in order to facilitate the sealing blocks to be always contacted with the bottom of the cylinder body, a compression spring is movably sleeved outside each guide rod, one end of each compression spring is contacted with each sliding block, the other end of each compression spring is contacted with each sealing slide block, the other, the volume of a closed cavity between the bottom of the pump body and the top of the pump body along the anticlockwise direction is sequentially increased, the volume of the closed cavity between the top of the pump body and the bottom of the pump body along the anticlockwise direction is sequentially decreased, an input port communicated with a corresponding closed cavity is formed in the right side of the bottom of the pump body, the input port is vertically arranged upwards, an output port communicated with the corresponding closed cavity is formed in the left side of the bottom of the pump body, the output port is vertically arranged downwards, and a one-way valve III is arranged in the output port and used for discharging liquid in the closed cavity towards the outside of the output port in a one-way manner;
the secondary pump is in the working process, the main pump normally operates, the core body rotates anticlockwise, liquid is filled into the corresponding closed cavity through the input port by utilizing the gravitational potential energy of the liquid, a large amount of liquid is continuously collected in the closed cavity until the closed cavity rotates and is staggered with the input port, the rotation of the core body drives the closed cavity filled with the liquid to rotate anticlockwise along the axial direction of the pump body, when the closed cavity rotates to be communicated with the output port, the volume of the closed cavity is gradually reduced, the liquid in the closed cavity is pressurized, the three-way valve automatically switches the self-opening state, and the liquid in the high-pressure state is discharged outwards.
As a further optimization or improvement of the present solution.
The driving guide mechanism comprises a stabilizing disc coaxially sleeved outside the core body, the inner circular surface of the stabilizing disc is arranged into a regular hexagon matched with the core body, one end surface of the stabilizing disc, which is close to the sealing cover, is provided with six sliding grooves which penetrate along the radial direction of the sealing cover, the six sliding grooves are arranged in an array along the circumferential direction of the stabilizing disc, the sliding grooves are in one-to-one correspondence with the outer side surface of the core body, sliding blocks matched with the sliding grooves are movably arranged in the sliding grooves, the sliding blocks and the sliding grooves form sliding guide fit along the radial direction of the stabilizing disc, in order to avoid the falling of the sliding blocks, a buckling plate matched with the stabilizing disc and sleeved outside the core body is fixedly arranged on one end surface of the stabilizing disc, which is close to the sealing cover, the sliding blocks and one end surface of the push rod, which is far away from the piston, one end surface, the flat groove is movably provided with a guide lug, the guide lug and the slide block form sliding guide fit along the radial direction of the stabilizing disc, and the guide lug is fixedly connected with the slide block;
the bottom of the cylinder body is coaxially provided with an annular guide chute, the guide bump extends into the guide chute and forms sliding guide fit along the circumferential direction where the guide chute is located, the stroke of the reciprocating motion of the piston is equal to the distance of the axis of the circumference where the core body is located and deviating from the axis of the guide chute, the outer circular surface of one end, away from the core body, of the input pipe is coaxially and fixedly sleeved with a driving wheel, and the driving wheel is connected with a driving device at the power output end of the driving device and used for driving the driving wheel to rotate around the axial.
As a further optimization or improvement of the present solution.
The input connector and the output connector are located outside the pump body and located on one side of the pump body, a first annular clamping groove is coaxially formed in the outer circular surface of the input pipe, the input connector comprises a first butt joint sleeve which is coaxially sleeved on the first annular clamping groove in a rotating mode and fixedly connected with the outer end face of the cylinder body, the first butt joint sleeve and the first annular clamping groove rotate to enable the first butt joint sleeve and the first annular clamping groove to be in sealing connection and match, an annular groove is coaxially formed in the inner circular surface of the butt joint sleeve, first through holes used for being connected with the annular groove and the input pipe are formed in the outer circular surface of the input pipe, the first through holes are provided with six and are arranged in an array mode along the circumferential direction of the input pipe, the butt joint pipe connected with the annular groove is fixedly arranged on the outer circular surface of the butt joint sleeve, a second annular clamping groove is coaxially arranged on the outer circular surface of the output pipe, the shape, the size And the second through holes are six and are arranged in an array along the circumferential direction of the output pipe.
Compared with the prior art, the invention has the advantages of ingenious structure, simple principle, two independent input ends and two independent output ends, can pump different liquids simultaneously, can be used as a pneumatic motor, and enriches the functionality of the auxiliary pump.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a schematic structural view of the pump body.
Figure 6 is an exploded schematic view of the pump body.
Fig. 7 is a schematic structural view of a pump cartridge component.
Fig. 8 is a schematic structural diagram of the self-priming mechanism.
Figure 9 is a cross-sectional view of the self-priming mechanism,
fig. 10 is a cross-sectional view of the self-priming mechanism.
Fig. 11 is a cross-sectional view of the self-priming mechanism.
Fig. 12 is a schematic structural view of the self-priming mechanism.
Fig. 13 is a partial structural schematic view of the self-priming mechanism.
Fig. 14 is a partial structural schematic view of the self-priming mechanism.
Fig. 15 is a schematic structural view of the drive guide mechanism.
Fig. 16 is a partial schematic view of the drive guide mechanism.
Fig. 17 is a view showing the engagement of the drive guide mechanism with the pump body.
Fig. 18 is a partial structural view of the drive guide mechanism.
Fig. 19 is a partial structural view of the sub-pump.
Fig. 20 is a schematic view of the structure of the sub-pump.
Fig. 21 is a partial structural view of the sub-pump.
Detailed Description
A pump liquid conveying method of a double-core parallel pump comprises the following steps:
(I) a main pump pumping stage;
s1: the liquid source is connected to the inlet pipe 213 by the inlet connector 229 and the outlet pipe 214 is connected to the discharge point by the outlet connector 230;
the main pump 100 comprises a pump body 110 and a pump core part 200 arranged inside the pump body 110, the pump body 110 is composed of a cylinder 120 with an opening at one end and a circular sealing cover 130 coaxially arranged at the opening of the cylinder 120, the axial direction of the pump body 110 is horizontally arranged, the cylinder 120 and the sealing cover 130 form a sealing connection fit, the pump core part 200 comprises a self-suction mechanism 210 for sucking liquid under negative pressure and discharging the liquid under pressure and a driving guide mechanism 240 for transmitting the power of a driving device to the self-suction mechanism 210, the input end of the self-suction mechanism 210 movably penetrates through the bottom of the cylinder 120 and extends to the outside, and the output end of the self-suction mechanism 210 movably penetrates through the sealing cover 130 and extends;
the self-priming mechanism 210 comprises a core body 211 which is arranged inside the pump body 110 and is in a regular hexagon shape, the axis of the circumferential direction of the core body 211 is parallel to the axis of the pump body 110, the axis of the circumferential direction of the core body 211 is deviated to the position right below the axis of the pump body 110, six side surfaces of the core body 211 are respectively provided with a cylindrical liquid suction cavity 212 which is radially arranged along the circumferential direction of the core body 211, one end surface of the core body 211 close to the bottom of the cylinder 120 is provided with a hard input pipe 213, the axial direction of the input end 213 is parallel to the axial direction of the circumference of the core body 211, the input pipe 213 is fixedly connected with the core body 211 into a whole, the input end of the input pipe 213 is internally provided with a screw plug 228 which is detachably connected and matched and used for plugging the input pipe, the output end is inserted inside the core body 211 and aligned with the liquid suction cavity 212 and is arranged in, a hard output pipe 214 is coaxially and fixedly arranged at an opening of the connecting groove 219, an input end of the output pipe 214 is connected and communicated with the connecting groove 219, and an output end is arranged in a closed manner;
s2: the driving guide mechanism 240 receives the power of the driving device and drives the push rod 221 in the self-priming mechanism 210 to slide along the axial direction of the liquid suction cavity 212, when the push rod 221 slides towards the outside of the liquid suction cavity 212, the liquid suction cavity 212 is converted into negative pressure and sucks the liquid in the input pipe 213, and when the push rod 221 slides towards the inside of the liquid suction cavity 212, the liquid in the liquid suction cavity 212 is pressurized and discharged to a discharge point by the output pipe 214;
the liquid suction cavity 212 is internally provided with a piston 222 which forms a sealed sliding guide fit with the liquid suction cavity, a push rod 221 which extends to the outside of the liquid suction cavity 212 is coaxially and fixedly arranged on the piston 222, a one-way valve I is arranged between the liquid suction cavity 212 and the output end of the input pipe 213, the one-way valve I comprises a connecting hole I215 which is coaxially arranged at the bottom of the liquid suction cavity 212 and is communicated with the input pipe 213, a connecting port I216 with the diameter smaller than that of the connecting hole I215 is formed at the connecting part of the connecting hole I215 and the input pipe 213, an annular fixing plate 223 which is coaxially embedded at the connecting part of the connecting hole I215 and the liquid suction cavity 212 and is communicated with the connecting hole I, a sealing ball I224 which is used for abutting and sealing the connecting port I216 is arranged in the connecting hole I215, a pushing spring I225 is also arranged in the connecting hole I, one end of the pushing spring I225 is fixedly connected with the fixing plate 223, the other end of the pushing Contacting;
a second one-way valve is arranged between the first connecting hole 215 and the connecting groove 219, the second one-way valve is provided with six one-way valves and is in one-to-one correspondence with the first connecting hole 215, the second one-way valve comprises a second connecting hole 217 which is arranged on the end face of the core body 211 close to the output tube 214 and is parallel to the axial direction of the output tube 214, one end of the second connecting hole 217 is connected and communicated with the first connecting hole 215 along the middle position of the axial direction, the other end of the second connecting hole 217 is arranged in a closed manner, a second connecting port 218 with the diameter smaller than that of the second connecting hole 217 is formed at the joint of the second connecting hole 217 and the first connecting hole 215, a third through hole 220 for connecting and communicating the second connecting hole 217 and the connecting groove 219 is formed between the second connecting hole 217 and the connecting groove 219, a second sealing ball 226 for abutting and plugging the second connecting port 218 is arranged in the second connecting hole 217, a second The second connecting port 218 is abutted;
the input pipe of the input pipe 213 movably penetrates through the cylinder 120 and extends to the outside of the pump body 110, the output end of the output pipe 214 movably penetrates through the sealing cover 130 and extends to the outside of the pump body 110, the input joint 229 which is communicated with the inside of the input pipe 213 is sleeved on the outer circular surface of the input pipe 213, and the output joint 230 which is communicated with the inside of the output pipe 214 is sleeved on the outer circular surface of the output pipe 214;
in the operation process of the self-suction mechanism 210, a user firstly connects and connects a source of liquid with the input pipe 213 through the input joint 229 and connects a discharge point of the liquid with the output pipe 214 through the output joint 229, then, the driving guide mechanism 240 transmits the power of the driving device to the push rod 221 and drives the push rod 221 to slide back and forth along the axial direction of the liquid suction cavity 212, when the push rod 221 slides towards the outside of the liquid suction cavity 212, the push rod 221 drives the piston 222 to slide synchronously and enables the liquid suction cavity 212 to convert into negative pressure, under the action of pressure difference, the liquid pushes the sealing ball 224 to be separated from the connecting port 216 against the elastic force of the pushing spring 225, the liquid flows into the liquid suction cavity 212 through the gap formed between the sealing ball 224 and the connecting port 216 until the negative pressure inside the liquid suction cavity 212 is neutralized, the elastic force of the pushing spring 225 is released and pushes the sealing ball 224 to reset, the one-way valve is switched to a closed state, then, when the push rod 221 slides towards the interior of the liquid suction cavity 212, the push rod 221 drives the piston 222 to synchronously slide and pressurize liquid in the liquid suction cavity, under the action of pressure difference, the liquid overcomes the elastic force of the second butting spring 227 to push the second sealing ball 226 to separate from the second connecting port 218, the pressurized liquid flows into the second connecting hole 217 through a gap formed between the second sealing ball 226 and the second connecting port 218, and then flows through the third through hole 220, the butting groove 219, the output pipe 214 and the output joint 230 until the pressurized liquid is output to a discharge point;
the driving guide mechanism 240 comprises a stabilizing disc 241 coaxially sleeved outside the core body 211, the inner circular surface of the stabilizing disc 241 is arranged to be a regular hexagon matched with the core body 211, one end surface of the stabilizing disc 241, which is close to the sealing cover 130, is provided with sliding grooves 242 penetrating along the radial direction of the sealing cover, the sliding grooves 242 are provided with six sliding grooves 242 and are arranged in an array along the circumferential direction of the stabilizing disc 241, the sliding grooves 242 correspond to the outer side surface of the core body 211 one by one, sliding blocks 245 matched with the sliding grooves are movably arranged in the sliding grooves 242, sliding guide matching is formed between the sliding blocks 245 and the sliding grooves 242 along the radial direction of the stabilizing disc 241, in order to avoid falling of the sliding blocks 245, a buckling plate 244 matched with one end surface of the stabilizing disc 241, which is close to the sealing cover 130 and sleeved outside the core body 211, the sliding blocks 245 are fixedly connected with one end surface of the push rod 221, which is far away from, the flat grooves 243 are in one-to-one correspondence with the sliding grooves 242 and are communicated with each other, guide lugs 246 are movably arranged in the flat grooves 243 and form sliding guide fit along the radial direction of the fixing disc 241, and the guide lugs 246 are fixedly connected with the sliding blocks 245;
the bottom of the cylinder 120 is coaxially provided with an annular guide chute 121, the guide projection 246 extends into the guide chute 212 and forms sliding guide fit along the circumferential direction of the guide chute 121, the reciprocating stroke of the piston 222 is equal to the distance that the axis of the circumference of the core body 221 deviates from the axis of the guide chute 121, a driving wheel 247 is coaxially and fixedly sleeved on the outer circular surface of one end of the input pipe 213 departing from the core body 211, and the driving wheel 247 is connected with a driving device for driving the driving wheel 247 to rotate around the axial direction of the driving wheel 247;
in the process of driving the guide mechanism 240, the driving wheel 247 receives power of a driving device and drives the input tube 213 to rotate around its own axis, the input tube 213 drives the core body 211 and the stabilizing disc 241 to rotate synchronously, in this process, the guide chute 121 causes the guide projection 246 to slide around the circumference of the guide chute 121, due to eccentricity, the guide projection 246 slides back and forth along the flat slot 243, the guide projection 246 drives the push rod 221 to slide synchronously along the axial direction of the liquid suction cavity 212, the push rod 221 drives the piston 222 to slide back and forth along the liquid suction cavity 212, so that the liquid suction cavity 212 sucks and discharges liquid;
s3: the driving guide mechanism 240 drives the push rod 221 to slide back and forth along the axial direction of the liquid suction cavity 212, so that the liquid suction cavity 212 circularly sucks and discharges liquid, and pumping of the liquid is completed;
(II) a secondary pump pumping stage;
s4: in the process of S1-S3, the sealed cavity 304 in the secondary pump 300 is rotated synchronously with the rotation power of the core 211, the liquid filled into the sealed cavity 304 from the input port 305 is rotated synchronously, and when the sealed cavity 304 is rotated to the output port 306, the volume of the sealed cavity 304 is gradually reduced and the liquid in the sealed cavity is pressurized and discharged;
the auxiliary pump 300 comprises guide rods 301 which are positioned in a sliding groove 242 and fixedly connected with one end face, away from the push rod 221, of a sliding block 245, the axial direction of each guide rod 301 is along the radial direction of a stabilizing disc 241, two guide rods 301 are arranged in parallel, a rectangular sealing slide block 302 is movably sleeved on each guide rod 301, the length direction of each sealing slide block 302 is arranged along the radial direction of the stabilizing disc 241, the width direction of each sealing slide block 302 is parallel to the axial direction of the pump body 110, the sealing slide blocks 302 and the sliding grooves 242 form sliding guide fit along the radial direction of the stabilizing disc 241, each sealing slide block 302 extends outwards from the sliding grooves 242 and forms sealing interference with the inner wall of the cylinder body 120, in order to facilitate the sealing blocks 302 to always interfere with the bottom of the cylinder body 120, a compression spring 303 is movably sleeved outside the guide rods 301, one end of each compression spring 303 interferes with the sliding block 245, the other end of, the two adjacent sealing sliders 302, the stabilizing disc 241, the cylinder 120 and the sealing cover 130 jointly form a sealed cavity 304 with variable volume, the volume of the sealed cavity 304 from the bottom of the pump body 110 to the top of the pump body 110 along the counterclockwise direction is sequentially increased, the volume of the sealed cavity 304 from the top of the pump body 110 to the bottom of the pump body 110 along the counterclockwise direction is sequentially decreased, the right side of the bottom of the pump body 110 is provided with an input port 305 communicated with the corresponding sealed cavity 304, the input port 305 is vertically arranged upwards, the left side of the bottom of the pump body 110 is provided with an output port 306 communicated with the corresponding sealed cavity 304, the output port 306 is vertically arranged downwards, and a check valve III is arranged in the output port 306 and is used for discharging liquid in the sealed cavity 304 towards the outside of the output port 306 in;
during the working process of the secondary pump 300, the main pump 100 normally operates, the core body 211 rotates counterclockwise, liquid is filled into the corresponding closed cavity 304 through the input port 305 by utilizing the gravitational potential energy of the liquid, a large amount of liquid is continuously collected in the closed cavity 304 until the closed cavity 304 rotates and is staggered with the input port 305, the rotation of the core body 211 drives the closed cavity 304 filled with the liquid to rotate counterclockwise along the axial direction of the pump body 110, when the closed cavity 304 rotates to be communicated with the output port 306, the volume of the closed cavity 304 is gradually reduced and the liquid in the closed cavity is pressurized, and the third check valve automatically switches from an open state and discharges the liquid in a high-pressure state outwards.
A multifunctional eccentric parallel pump comprises a main pump 100 and an auxiliary pump 300 arranged inside the main pump 100, wherein the main pump 100 and the auxiliary pump 300 respectively comprise a liquid input end and a liquid output end which are independent of each other, and a common driving end is used for the main pump 100 and the auxiliary pump 300, the main pump 100 comprises a pump body 110 and a pump core part 200 arranged inside the pump body 110, the pump body 110 consists of a cylinder 120 with an opening at one end and a circular sealing cover 130 coaxially arranged at the opening of the cylinder 120, the pump body 110 is axially and horizontally arranged, the cylinder 120 and the sealing cover 130 form a sealing connection fit, the pump core part 200 comprises a self-suction mechanism 210 used for sucking liquid under negative pressure and discharging the liquid under pressure and a driving guide mechanism 240 used for transmitting the power of a driving device to the self-suction mechanism 210, the input end of the self-suction mechanism 210 movably penetrates through the bottom of the cylinder 120 to extend to the outside of the cylinder.
Specifically, the self-priming mechanism 210 includes a core body 211 disposed inside the pump body 110 and disposed in a regular hexagon shape, an axis of a circumferential direction of the core body 211 is parallel to an axis of the pump body 110, the axis of the circumferential direction of the core body 211 is offset to a position right below the axis of the pump body 110, six side surfaces of the core body 211 are respectively provided with a cylindrical liquid suction cavity 212 radially disposed along the circumferential direction of the core body 211, one end surface of the core body 211 close to the bottom of the cylinder 120 is provided with a hard input tube 213, an axial direction of the input end 213 is parallel to an axial direction of a circumference of the core body 211, the input tube 213 is fixedly connected with the core body 211 into a whole, the input end of the input tube 213 is internally provided with a plug 228 detachably connected and used for plugging the input tube, an output end is inserted into the core body 211 and aligned with the liquid suction cavity 212, and the end is disposed in a closed manner, one end surface, the opening of the connecting groove 219 is coaxially and fixedly provided with a hard output pipe 214, the input end of the output pipe 214 is communicated with the connecting groove 219, the output end is arranged in a closed mode, in the using process, the liquid suction cavity 212 is firstly communicated with the input pipe 213 and sucks liquid in the liquid through negative pressure, then the liquid suction cavity 212 pressurizes the liquid in the liquid suction cavity and is communicated with the output pipe 214, and the pressurized liquid is discharged outwards through the output pipe 214.
Specifically, in order to facilitate the liquid to flow from the input pipe 213 to the liquid suction cavity 212 in a single direction, a first check valve is arranged between the liquid suction cavity 212 and the output end of the input pipe 213, the first check valve comprises a first connection hole 215 which is coaxially arranged at the bottom of the liquid suction cavity 212 and is connected and communicated with the input pipe 213, a first connection port 216 with the diameter smaller than that of the first connection hole 215 is formed at the connection position of the first connection hole 215 and the input pipe 213, an annular fixing plate 223 which is coaxially embedded and communicated with the first connection hole 215 and the liquid suction cavity 212 is arranged at the connection position of the first connection hole 215, a first sealing ball 224 used for abutting and sealing the first connection port 216 is arranged in the first connection hole 215, a first abutting spring 225 is also arranged in the first connection hole 215, one end of the first abutting spring 225 is fixedly connected with the fixing plate 223, the other end of the abutting spring is fixedly connected with the first sealing ball, by switching the interior of the pumping chamber 212 to a negative pressure state, the first check valve is automatically switched from the closed state to the open state.
Specifically, in order to facilitate the liquid to flow from the liquid suction cavity 212 to the output pipe 214 in a single direction, a second check valve is arranged between the first connection hole 215 and the connection groove 219, the second check valve is provided with six check valves which correspond to the first connection holes 215 one by one, the second check valve comprises a second connection hole 217 which is arranged on the end surface of the core body 211 close to the output pipe 214 and is parallel to the axial direction of the output pipe 214, one end of the second connection hole 217 is communicated with the first connection hole 215 along the middle position of the axial direction, the other end of the second connection hole is arranged in a closed manner, a second connection port 218 with the diameter smaller than that of the second connection hole 217 is formed at the connection position of the second connection hole 217 and the first connection hole 215, a third connection hole 220 for connecting and communicating the second connection port is arranged between the second connection hole 217 and the connection groove 219, one end of the second abutting spring 227 is fixedly connected with the closed end of the second connecting hole 217, the other end of the second abutting spring 227 is fixedly connected with the second sealing ball 226, and the second sealing ball 226 is always pushed to abut against the second connecting port 218 by the elastic force of the second abutting spring 227, so that the second check valve is automatically switched from the closed state to the open state by pressurizing the liquid in the liquid suction cavity 212.
Specifically, in order to enable the interior of the liquid suction cavity 212 to be converted into negative pressure to suck liquid and to pressurize and discharge the liquid, a piston 222 which is in sealed sliding guide fit with the liquid suction cavity 212 is arranged in the liquid suction cavity 212, a push rod 221 which extends to the exterior of the liquid suction cavity 212 is coaxially and fixedly arranged on the piston 222, the piston 222 is driven by the push rod 221 to move towards the exterior of the liquid suction cavity 212, the liquid is sucked in the liquid suction cavity 212, the piston 222 is driven by the push rod 221 to move towards the interior of the liquid suction cavity 212, and the liquid in the liquid suction cavity 212 is pressurized and discharged.
Specifically, in order to enable the input pipe 213 and the output pipe 214 to be connected and communicated with the outside, the input pipe of the input pipe 213 movably penetrates through the cylinder 120 and extends to the outside of the pump body 110, the output end of the output pipe 214 movably penetrates through the sealing cover 130 and extends to the outside of the pump body 110, an input connector 229 connected and communicated with the inside of the input pipe 213 is sleeved on the outer circular surface of the input pipe 213, an output connector 230 connected and communicated with the inside of the output pipe 214 is sleeved on the outer circular surface of the output pipe 214, the input connector 229 and the output connector 230 are both positioned outside the pump body 110 and are respectively positioned on one side of the pump body 110, in order to facilitate the installation of the input connector 229, an annular clamping groove one 213a is coaxially arranged on the outer circular surface of the input pipe 213, the input connector 229 comprises a butting sleeve 231 coaxially and rotatably sleeved on the annular clamping groove one 213a, the butting sleeve 231 is fixedly connected with the outer, the inner circular surface of the abutting sleeve 231 is coaxially provided with an annular groove 232, the outer circular surface of the input pipe 213 is provided with a first through hole 213b for connecting and communicating the annular groove 232 and the input pipe 213, the first through hole 213b is provided with six and is arranged along the circumferential direction of the input pipe 213, the outer circular surface of the abutting sleeve 231 is fixedly provided with an abutting pipe 233 for connecting and communicating the annular groove 232, in order to facilitate the installation of the output connector 230, the outer circular surface of the output pipe 214 is coaxially provided with a second annular clamping groove 214a, the output connector 230 and the input connector 229 are consistent in shape, size and structure, the outer circular surface of the output pipe 214 is provided with a second through hole 214b for connecting and communicating the annular groove 232 in the output connector 230 and the output pipe 214, the second through hole 214b is provided with six and is arranged along the circumferential direction of the output pipe 214, and the input connector 229 is used for connecting and communicating, The pressurized liquid is delivered to a designated location through the output connector 230.
In the operation process of the self-suction mechanism 210, a user firstly connects and connects a source of liquid with the input pipe 213 through the input joint 229 and connects a discharge point of the liquid with the output pipe 214 through the output joint 229, then, the driving guide mechanism 240 transmits the power of the driving device to the push rod 221 and drives the push rod 221 to slide back and forth along the axial direction of the liquid suction cavity 212, when the push rod 221 slides towards the outside of the liquid suction cavity 212, the push rod 221 drives the piston 222 to slide synchronously and enables the liquid suction cavity 212 to convert into negative pressure, under the action of pressure difference, the liquid pushes the sealing ball 224 to be separated from the connecting port 216 against the elastic force of the pushing spring 225, the liquid flows into the liquid suction cavity 212 through the gap formed between the sealing ball 224 and the connecting port 216 until the negative pressure inside the liquid suction cavity 212 is neutralized, the elastic force of the pushing spring 225 is released and pushes the sealing ball 224 to reset, the one-way valve is switched to a closed state, then, when the push rod 221 slides towards the interior of the liquid suction cavity 212, the push rod 221 drives the piston 222 to synchronously slide and pressurize liquid in the liquid suction cavity, under the action of pressure difference, the liquid overcomes the elastic force of the second pushing spring 227 to push the second sealing ball 226 to separate from the second connecting port 218, the pressurized liquid flows into the second connecting hole 217 through a gap formed between the second sealing ball 226 and the second connecting port 218, and then flows through the third through hole 220, the butt joint groove 219, the output pipe 214 and the output joint 230 until the pressurized liquid is output to a discharge point.
In order to drive the push rod 221 to slide back and forth along the axial direction of the liquid suction cavity 212, the driving guide mechanism 240 includes a fixing disc 241 coaxially sleeved outside the core body 211, the inner circular surface of the fixing disc 241 is set to be a regular hexagon matched with the core body 211, one end surface of the fixing disc 241 close to the sealing cover 130 is provided with a sliding groove 242 penetrating along the radial direction thereof, the sliding groove 242 is provided with six and is arranged in an array along the circumferential direction of the fixing disc 241, the sliding groove 242 corresponds to the outer side surface of the core body 211 one by one, a sliding block 245 matched with the sliding groove 242 is movably arranged in the sliding groove 242, the sliding block 245 and the sliding groove 242 form a sliding guide fit along the radial direction of the fixing disc 241, in order to avoid the sliding block 245 from falling off, one end surface of the fixing disc 241 close to the sealing cover 130 is fixedly provided with a buckling plate 244 matched with and sleeved outside the core body 211, one end face of the stabilizing disc 24 close to the bottom of the cylinder 120 is provided with flat grooves 243 arranged along the radial direction, the flat grooves 243 and the sliding grooves 242 are in one-to-one correspondence and are communicated with each other, guide protrusions 246 are movably arranged in the flat grooves 243 and form sliding guide fit along the radial direction of the stabilizing disc 241, the guide protrusions 246 are fixedly connected with the sliding blocks 245, and the guide protrusions 246 slide along the flat grooves 243 in a reciprocating mode to drive the push rod 221 to slide in a reciprocating mode along the axial direction of the liquid suction cavity 212.
Specifically, the bottom of the cylinder 120 is coaxially provided with an annular guide chute 121, the guide protrusion 246 extends into the guide chute 212 and forms sliding guide fit along the circumferential direction of the guide chute 121, the reciprocating stroke of the piston 222 is equal to the distance that the axis of the circumference of the core 221 deviates from the axis of the guide chute 121, the guide protrusion 246 slides along the guide chute 212 by driving the core 211 to rotate around the axis of the circumference of the core, and meanwhile, the guide protrusion 246 slides back and forth along the flat groove 243, so that the push rod 221 is driven to slide back and forth along the axial direction of the liquid suction cavity 212, in order to drive the core 211 to rotate, a driving wheel 247 is coaxially and fixedly sleeved on the outer circumferential surface of one end of the input tube 213, which is away from the core 211, and the driving wheel 247 is connected with a driving device for driving the driving wheel 247 to rotate around.
In the operation process of the driving guide mechanism 240, the driving wheel 247 receives power of a driving device and drives the input pipe 213 to rotate around its own axis, the input pipe 213 drives the core 211 and the stabilizing disc 241 to rotate synchronously, in this process, the guide chute 121 slides the guide projection 246 around the circumference of the guide chute 121, due to eccentricity, the guide projection 246 slides back and forth along the flat slot 243, the guide projection 246 drives the push rod 221 to slide synchronously along the axial direction of the imbibition cavity 212, the push rod 221 drives the piston 222 to slide back and forth along the imbibition cavity 212, so that the imbibition cavity 212 aspirates and discharges liquid, and so on, the main pump 100 completes pumping of liquid independently.
The auxiliary pump 300 comprises guide rods 301 which are positioned in a sliding groove 242 and fixedly connected with one end face, away from the push rod 221, of a sliding block 245, the axial direction of each guide rod 301 is along the radial direction of a stabilizing disc 241, two guide rods 301 are arranged in parallel, a rectangular sealing slide block 302 is movably sleeved on each guide rod 301, the length direction of each sealing slide block 302 is arranged along the radial direction of the stabilizing disc 241, the width direction of each sealing slide block 302 is parallel to the axial direction of the pump body 110, the sealing slide blocks 302 and the sliding grooves 242 form sliding guide fit along the radial direction of the stabilizing disc 241, each sealing slide block 302 extends outwards from the sliding grooves 242 and forms sealing interference with the inner wall of the cylinder body 120, in order to facilitate the sealing blocks 302 to always interfere with the bottom of the cylinder body 120, a compression spring 303 is movably sleeved outside the guide rods 301, one end of each compression spring 303 interferes with the sliding block 245, the other end of, the two adjacent sealing sliders 302, the stabilizing disc 241, the cylinder 120 and the sealing cover 130 jointly form a sealed cavity 304 with variable volume, the volume of the sealed cavity 304 from the bottom of the pump body 110 to the top of the pump body 110 along the counterclockwise direction is sequentially increased, the volume of the sealed cavity 304 from the top of the pump body 110 to the bottom of the pump body 110 along the counterclockwise direction is sequentially decreased, the right side of the bottom of the pump body 110 is provided with an input port 305 communicated with the corresponding sealed cavity 304, the input port 305 is vertically arranged upwards, the left side of the bottom of the pump body 110 is provided with an output port 306 communicated with the corresponding sealed cavity 304, the output port 306 is vertically arranged downwards, and a check valve III are arranged in the output port 306 and used for discharging liquid in the sealed cavity 304 towards the outside of the.
During the working process of the secondary pump 300, the main pump 100 normally operates, the core body 211 rotates counterclockwise, liquid is filled into the corresponding closed cavity 304 through the input port 305 by utilizing the gravitational potential energy of the liquid, a large amount of liquid is continuously collected in the closed cavity 304 until the closed cavity 304 rotates and is staggered with the input port 305, the rotation of the core body 211 drives the closed cavity 304 filled with the liquid to rotate counterclockwise along the axial direction of the pump body 110, when the closed cavity 304 rotates to be communicated with the output port 306, the volume of the closed cavity 304 is gradually reduced and the liquid in the closed cavity is pressurized, and the third check valve automatically switches from an open state and discharges the liquid in a high-pressure state outwards.
When the secondary pump 300 is used as a pneumatic motor, high-pressure gas is vertically and upwardly filled from the input port 305, the high-pressure gas forces the sealing slide block 302 to rotate around the axial direction of the cylinder 120, the high-pressure gas inside the sealed cavity 304 is outwardly discharged from the output port 306, the sealing slide block 302 drives the core 211 to synchronously rotate, the core 211 drives the driving wheel 247 to synchronously rotate, and the driving wheel 247 outputs the power of the core to the outside.
Claims (8)
1. A pump liquid conveying method of a double-core parallel pump comprises the following steps:
(I) a main pump pumping stage;
s1: the liquid source spring is connected and communicated with the input pipe through the input connector, and the output pipeline is connected and communicated with the discharge point through the output connector;
the main pump comprises a pump body and a pump core component arranged in the pump body, the pump body consists of a cylinder body with an opening at one end and a circular sealing cover coaxially arranged at the opening of the cylinder body, the pump body is axially and horizontally arranged, the cylinder body and the sealing cover form sealing connection and matching, the pump core component comprises a self-suction mechanism for performing negative pressure suction and pressure discharge on liquid and a driving guide mechanism for transmitting the power of driving equipment to the self-suction mechanism, the input end of the self-suction mechanism movably penetrates through the bottom of the cylinder body and extends to the outside of the cylinder body, and the output end of the self-suction mechanism movably penetrates through the sealing;
the self-priming mechanism comprises a core body which is arranged in a pump body and is in regular hexagon arrangement, the axis of the circumferential direction of the core body is parallel to the axis of the pump body, the axis of the circumferential direction of the core body is deviated to the position under the axis of the pump body, cylindrical liquid suction cavities which are radially arranged along the circumferential direction of the core body are arranged on six side surfaces of the core body, a hard input tube is arranged on one end surface of the core body close to the bottom of the cylinder body, the axial direction of the input end is parallel to the axial direction of the circumference of the core body, the input tube is fixedly connected with the core body into a whole, a screw plug which is detachably connected and matched and is used for plugging the input tube is arranged in the input end of the input tube, an output end is inserted in the core body and is aligned with the liquid suction cavities, the end is arranged in a closed manner, a, the input end of the output pipe is communicated with the connecting groove, and the output end is arranged in a closed manner, in the using process, the liquid suction cavity is firstly communicated with the input pipe and sucks the liquid in the liquid through negative pressure, then the liquid suction cavity pressurizes the liquid in the liquid and is communicated with the output pipe in a connecting manner, and the pressurized liquid is discharged outwards through the output pipe;
s2: the driving guide mechanism receives the power of the driving device and drives a push rod in the self-suction mechanism to slide along the axial direction of the liquid suction cavity, when the push rod slides towards the outside of the liquid suction cavity, the liquid suction cavity is converted into negative pressure and sucks liquid in the input pipe, and when the push rod slides towards the inside of the liquid suction cavity, the liquid in the liquid suction cavity is pressurized and is discharged to a discharge point through the output pipe;
the liquid suction cavity is internally provided with a piston which forms a sealed sliding guide fit with the liquid suction cavity, the piston is coaxially and fixedly provided with a push rod extending to the outside of the liquid suction cavity, a first check valve is arranged between the liquid suction cavity and the output end of the input pipe, the first check valve comprises a first connecting hole which is coaxially arranged at the bottom of the liquid suction cavity and is communicated with the input pipe, a first connecting port with the diameter smaller than that of the first connecting hole is formed at the joint of the first connecting hole and the input pipe, an annular fixing plate which is communicated with the first connecting hole and the second connecting hole is coaxially embedded at the joint of the first connecting hole and the liquid suction cavity, a first sealing ball for abutting and plugging the first connecting port is arranged in the first connecting hole, a first abutting and pushing spring is also arranged in the first connecting hole, one end of the first abutting and pushing spring is fixedly connected with the fixing plate, the other end of the first abutting and pushing spring is fixedly connected with the first sealing ball;
a second one-way valve is arranged between the first connecting hole and the connecting groove, six second one-way valves are arranged and correspond to the first connecting hole one by one, the one-way valve II comprises a connecting hole II which is arranged on the end face of the core body close to the output pipe and is parallel to the axial direction of the output pipe, one end of the connecting hole II is connected and communicated with the middle position of the connecting hole I along the axial direction of the connecting hole I, the other end of the connecting hole II is arranged in a closed mode, a connecting hole II with the diameter smaller than that of the connecting hole II is formed at the connecting position of the connecting hole II and the connecting hole I, a through hole III for connecting and communicating the connecting hole II and the connecting hole II is formed between the connecting hole II and the connecting groove, a sealing ball II for abutting and plugging the connecting hole II is arranged in the connecting hole II, a pushing spring II is also arranged in the connecting hole II, one end of the pushing spring II;
the input pipe of the input pipe movably penetrates through the cylinder body and extends to the outside of the pump body, the output end of the output pipe movably penetrates through the sealing cover and extends to the outside of the pump body, an input connector communicated with the inside of the input pipe is sleeved on the outer circular surface of the input pipe, and an output connector communicated with the inside of the output pipe is sleeved on the outer circular surface of the output pipe;
during the working process of the self-suction mechanism, a user firstly connects and connects a source spring of liquid with an input pipe through an input connector, connects and connects a discharge point of the liquid with an output pipe through an output connector, then, a driving and guiding mechanism transmits the power of driving equipment to a push rod and drives the push rod to slide back and forth along the axial direction of a liquid suction cavity, when the push rod slides towards the outside of the liquid suction cavity, the push rod drives a piston to slide synchronously and enables the liquid suction cavity to be converted into negative pressure, under the action of pressure difference, the liquid pushes a sealing ball I to be separated from a connecting port I under the action of the elastic force of a pushing spring I, the liquid flows into the liquid suction cavity from a gap formed between the sealing ball I and the connecting port I until the negative pressure in the liquid suction cavity is neutralized, the elastic force of the pushing spring I is released and pushes the sealing ball I to reset, the one-way valve, when the push rod slides towards the interior of the liquid suction cavity, the push rod drives the piston to synchronously slide and pressurize liquid in the liquid suction cavity, the liquid overcomes the elastic force of the abutting and pushing spring II to push the sealing ball II to be separated from the connecting port II under the action of pressure difference, the pressurized liquid flows into the connecting hole II through a gap formed between the sealing ball II and the connecting port II, and then flows through the through hole III, the butt joint groove, the output pipe and the output joint until the pressurized liquid is output to a discharge point;
s3: the driving guide mechanism drives the push rod to slide in a reciprocating manner along the axial direction of the liquid suction cavity, so that the liquid suction cavity circularly sucks and discharges liquid, and pumping of the liquid is completed;
(II) a secondary pump pumping stage;
s4: in the process of S1-S3, a sealed cavity in the secondary pump receives the rotation power of the core body to synchronously rotate, liquid filled into the sealed cavity from an input port synchronously rotates, and when the sealed cavity rotates to an output port, the volume of the sealed cavity is gradually reduced and the liquid in the sealed cavity is pressurized and discharged;
the auxiliary pump comprises guide rods which are positioned in a sliding groove and fixedly connected with one end face of the sliding block, which is far away from the push rod, the axial direction of the guide rods is along the radial direction of a stabilizing disc, two guide rods are arranged side by side, a rectangular sealing slide block is movably sleeved on each guide rod, the length direction of each sealing slide block is arranged along the radial direction of the stabilizing disc, the width direction of each sealing slide block is parallel to the axial direction of a pump body, the sealing slide blocks and the sliding grooves form sliding guide fit along the radial direction of the stabilizing disc, each sealing slide block extends outwards from each sliding groove and forms sealing type contact with the inner wall of a cylinder body, in order to facilitate the sealing blocks to be always contacted with the bottom of the cylinder body, a compression spring is movably sleeved outside each guide rod, one end of each compression spring is contacted with each sliding block, the other end of each compression spring is contacted with each sealing slide block, the other, the volume of a closed cavity between the bottom of the pump body and the top of the pump body along the anticlockwise direction is sequentially increased, the volume of the closed cavity between the top of the pump body and the bottom of the pump body along the anticlockwise direction is sequentially decreased, an input port communicated with a corresponding closed cavity is formed in the right side of the bottom of the pump body, the input port is vertically arranged upwards, an output port communicated with the corresponding closed cavity is formed in the left side of the bottom of the pump body, the output port is vertically arranged downwards, and a one-way valve III is arranged in the output port and used for discharging liquid in the closed cavity towards the outside of the output port in a one-way manner;
the secondary pump is in the working process, the main pump normally operates, the core body rotates anticlockwise, liquid is filled into the corresponding closed cavity through the input port by utilizing the gravitational potential energy of the liquid, a large amount of liquid is continuously collected in the closed cavity until the closed cavity rotates and is staggered with the input port, the rotation of the core body drives the closed cavity filled with the liquid to rotate anticlockwise along the axial direction of the pump body, when the closed cavity rotates to be communicated with the output port, the volume of the closed cavity is gradually reduced, the liquid in the closed cavity is pressurized, the three-way valve automatically switches the self-opening state, and the liquid in the high-pressure state is discharged outwards.
2. The method for conveying pump liquid of a twin-core parallel pump according to claim 1, wherein the driving guide mechanism comprises a stabilizing disc coaxially sleeved outside the core body, the inner circular surface of the stabilizing disc is arranged into a regular hexagon matched with the core body, one end surface of the stabilizing disc close to the sealing cover is provided with six sliding grooves penetrating along the radial direction of the stabilizing disc, the sliding grooves are arranged in an array along the circumferential direction of the stabilizing disc, the sliding grooves correspond to the outer side surface of the core body one by one, sliding blocks matched with the sliding grooves are movably arranged in the sliding grooves, and the sliding guide fit is formed between the sliding blocks and the sliding grooves along the radial direction of the stabilizing disc.
3. The pump liquid conveying method of the twin-core parallel pump according to claim 2, wherein a fastening plate matched with the stabilizing disc and sleeved outside the core body is fixedly arranged on one end face of the stabilizing disc close to the sealing cover, the sliding block and one end face of the push rod, which is far away from the piston, are fixedly connected, a flat groove arranged along the radial direction of the stabilizing disc is formed on one end face of the stabilizing disc close to the bottom of the cylinder body, the flat groove and the sliding groove are in one-to-one correspondence and are communicated with each other, a guide convex block is movably arranged in the flat groove, the guide convex block and the sliding block form sliding guide fit along the radial.
4. The method for conveying pump fluid of a twin-core parallel pump according to claim 3, wherein the bottom of the cylinder is coaxially provided with an annular guide chute, the guide projection extends into the guide chute and forms a sliding guide fit along the circumferential direction of the guide chute, and the stroke of the reciprocating motion of the piston is equal to the distance of the axis of the circumference of the core body offset from the axis of the guide chute.
5. The method for conveying pump fluid of a twin-core parallel pump as claimed in claim 4, wherein a driving wheel is coaxially fixed and sleeved on the outer circumferential surface of the end of the input tube facing away from the core, and the driving wheel is connected with a driving device at the power output end of the driving device for driving the driving wheel to rotate around its own axis.
6. The method for conveying pump fluid of a twin-core parallel pump according to claim 1, wherein the input connector and the output connector are both located outside the pump body and are located on one side of the pump body, the first annular clamping groove is coaxially formed in the outer circumferential surface of the input pipe, the input connector comprises a butt-joint sleeve which is coaxially and rotatably sleeved on the first annular clamping groove, the butt-joint sleeve is fixedly connected with the outer end surface of the cylinder body, the butt-joint sleeve and the first annular clamping groove rotate to enable the butt-joint sleeve to be in sealing connection and fit, and an annular groove is coaxially formed in the inner circumferential surface of the butt-.
7. The method for conveying pump fluid of a twin-core parallel pump according to claim 6, wherein the first through holes for connecting and connecting the annular groove and the input tube are formed in the outer circumferential surface of the input tube, the first through holes are provided with six through holes and are arranged in an array along the circumferential direction of the input tube, and the butt joint tubes connected and connected with the annular groove are fixedly arranged on the outer circumferential surface of the butt joint sleeve.
8. The method for transporting pump fluid of a twin-core parallel pump according to claim 7, wherein the outer circumferential surface of the output pipe is coaxially provided with two annular grooves, the output connector and the input connector have the same shape, size and structure, and the outer circumferential surface of the output pipe is provided with two through holes for connecting and connecting the two annular grooves of the output connector and the output pipe, wherein the two through holes are provided with six through holes and are arranged in an array along the circumferential direction of the output pipe.
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| CN201910946161.2A CN110617214B (en) | 2019-10-03 | 2019-10-03 | Pump liquid conveying method of double-core parallel pump |
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| CN205478137U (en) * | 2016-01-26 | 2016-08-17 | 机械科学研究总院 | Move shell type air spring radial piston pump |
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| CN110617214B (en) | 2021-02-19 |
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