CN110578686B - Multifunctional eccentric parallel pump - Google Patents
Multifunctional eccentric parallel pump Download PDFInfo
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- CN110578686B CN110578686B CN201910946150.4A CN201910946150A CN110578686B CN 110578686 B CN110578686 B CN 110578686B CN 201910946150 A CN201910946150 A CN 201910946150A CN 110578686 B CN110578686 B CN 110578686B
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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
- F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a multifunctional eccentric parallel pump which comprises a main pump and an auxiliary pump arranged in the main pump, wherein the main pump and the auxiliary pump respectively comprise a liquid input end and a liquid output end which are mutually independent, the main pump and the auxiliary pump share one driving end, the main pump comprises a pump body and a pump core part 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 sealed connection and matching, the pump core part comprises a self-suction mechanism for sucking liquid under negative pressure and discharging the liquid under pressure 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.
Description
Technical Field
The invention relates to a pump, in particular to a multifunctional eccentric parallel pump.
Background
The pump is a machine for conveying liquid or pressurizing liquid, it transfers the mechanical energy of prime mover or other external energy to liquid, and increases the energy of liquid, the pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, and can also convey liquid, gas mixture and liquid containing suspended solid, the pump has very wide application in production and life, for example, in the production of chemical and petroleum departments, raw material, semi-finished product and finished product are mostly liquid, and the raw material is made into semi-finished product and finished product, it needs to go through complicated technological process, the pump has played the role of conveying liquid and providing the pressure flow of chemical reaction in these processes, in addition, the pump is used to regulate the temperature in many devices; in agricultural production, pumps are the primary irrigation and drainage machines. The invention discloses a multifunctional eccentric parallel pump which is ingenious in structure, simple in principle, provided with two independent input ends and two independent output ends and capable of pumping different liquids simultaneously.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the multifunctional eccentric parallel pump which has the advantages of ingenious structure, simple principle, two independent input ends and two independent output ends and can pump different liquids simultaneously.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The utility model provides a multi-functional eccentric parallel pump, it includes the main pump and sets up in the inside subpump of main pump, the main pump all includes mutually independent liquid input end and liquid output end and the main pump shares a drive end with the subpump, the main pump includes the pump body and sets up in the inside pump core part of the pump body, the pump body comprises the barrel that one end opening was arranged and the circular sealed lid that sets up in this barrel opening part coaxially, the axial level of the pump body arranges, the barrel constitutes the sealed connection cooperation with sealed lid, pump core part is including being used for carrying out the negative pressure suction and pressurization exhaust from inhaling the mechanism and being used for transmitting drive arrangement's power to the drive guide mechanism on inhaling the mechanism, it is outside that the bottom that the barrel was passed in the activity of the input of inhaling the mechanism extends its.
As a further optimization or improvement of the present solution.
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 core body in the circumferential direction is parallel to the axis of the pump body, the axis of the core body in the circumferential direction is deviated to the position right below the axis of the pump body, six side surfaces of the core body are respectively provided with a cylindrical liquid suction cavity which is radially arranged in the circumferential direction of the core body, a piston which forms a sealed sliding guide fit with the liquid suction cavity is arranged in the liquid suction cavity, a push rod which extends to the outside of the liquid suction cavity is coaxially and fixedly arranged on the piston, one end surface of the core body, which is close to the bottom of the cylinder body, is provided with a hard input pipe, the axial direction of the input pipe is parallel to the axial direction of the circumference of the core body, the input pipe is fixedly connected with the core body into a whole, a screw plug which is detachably connected and matched and is, the end face of the core body close to the sealing cover is provided with a circular connecting groove which is coaxially arranged with the input pipe, the opening of the connecting groove is coaxially and fixedly provided with a hard output pipe, the input end of the output pipe is connected and communicated with the connecting groove, and the output end of the output pipe is arranged in a closed manner.
As a further optimization or improvement of the present solution.
Be provided with check valve one between the output of imbibition chamber and input tube, check valve one includes that coaxial seting up in imbibition chamber bottom and with the input tube be connected the connecting hole one of switch-on, connecting hole one forms the connector one that the diameter is less than connecting hole one diameter with the input tube junction, connecting hole one inlays with the junction coaxial of imbibition chamber and is equipped with the annular fixed plate of connecting switch-on both, be provided with in the connecting hole one and be used for carrying out the sealed ball one of contradicting the shutoff to connector one, still be provided with in the connecting hole one and support and push away spring one, support and push away spring one end and fixed plate fixed connection, the other end and sealed ball fixed connection and support the elasticity that pushes away spring one and promote sealed ball one all the time and link up with connector.
As a further optimization or improvement of the present solution.
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 core body and is close to the end face of 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 connecting hole I along the axial middle position 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 joint of the connecting hole II and the connecting hole I, a through hole III used for connecting and communicating the connecting hole II is formed between the connecting hole II and the connecting groove, a sealing ball II used for abutting and plugging the connecting hole II is arranged in the connecting hole II, a pushing spring II is further arranged in the connecting hole II, one end of the pushing spring II is fixedly connected with the closed.
As a further optimization or improvement of the present solution.
The input end 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, an output connector communicated with the inside of the output pipe is sleeved on the outer circular surface of the output pipe, the input connector and the output connector are both positioned outside the pump body and are respectively positioned on one side of the pump body, an annular clamping groove I is coaxially arranged on the outer circular surface of the input pipe, the input connector comprises a butt-joint sleeve coaxially and rotatably sleeved on the annular clamping groove I, the butt-joint sleeve is fixedly connected with the outer end surface of the cylinder body, the butt-joint sleeve and the annular clamping groove I form rotary sealing connection and matching, an annular groove is coaxially arranged on the inner circular surface of the butt-joint sleeve, a first through hole used for connecting and, the outer circular surface of the output pipe is provided with six through holes for connecting and connecting the annular groove in the output connector and the second output pipe, and the through holes are arranged in an array along the circumferential direction of the output pipe.
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 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, one end surface of the stabilizing disc close to the sealing cover is fixedly provided with buckling plates matched with the stabilizing disc and sleeved outside the core body, the sliding blocks and the push rod are fixedly connected with one end surface of the piston, one end surface of the stabilizing disc close to the bottom of the cylinder body is provided with flat grooves which are arranged along the radial direction of the cylinder body, the flat grooves and the sliding grooves, the guide lug is fixedly connected with the sliding 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, the driving wheel is connected with the power output end of driving equipment, and the driving equipment is used for driving the driving wheel to rotate around the axial direction of.
As a further optimization or improvement of the present solution.
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 the pump body, each sealing slide block and the sliding groove form sliding guide fit along the radial direction of the stabilizing disc, each sealing slide block extends outwards from the sliding groove and forms sealing contact with the inner wall of the cylinder body, a compression spring is movably sleeved outside each guide rod, one end of each compression spring is in contact with each sliding block, the other end of each compression spring is in contact with each sealing slide block, the elastic force of each compression spring is always directed to each sealing slide block by each sliding block, each two adjacent sealing slide, the volume of the airtight cavity between the top of the pump body and the bottom of the pump body along the anticlockwise direction is reduced in sequence, the right side of the bottom of the pump body is provided with an input port connected and communicated with the corresponding airtight cavity, the input port is vertically arranged upwards, the left side of the bottom of the pump body is provided with an output port connected and communicated with the corresponding airtight cavity, the output port is vertically arranged downwards, and a check valve III are arranged in the output port and used for discharging liquid in the airtight cavity towards the outside of the output port in a one-way mode.
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 structural view of the pump body.
Figure 4 is an exploded schematic view of the pump body.
Fig. 5 is a schematic structural view of a pump core component.
Fig. 6 is a schematic structural diagram of the self-priming mechanism.
Figure 7 is a cross-sectional view of the self-priming mechanism,
fig. 8 is a cross-sectional view of the self-priming mechanism.
Fig. 9 is a cross-sectional view of the self-priming mechanism.
Fig. 10 is a schematic structural diagram of the self-priming mechanism.
Fig. 11 is a partial structural schematic view of the self-priming mechanism.
Fig. 12 is a partial structural schematic view of the self-priming mechanism.
Fig. 13 is a schematic structural view of the drive guide mechanism.
Fig. 14 is a partial schematic view of the drive guide mechanism.
Fig. 15 is a view showing the engagement of the drive guide mechanism with the pump body.
Fig. 16 is a partial structural view of the drive guide mechanism.
Fig. 17 is a partial structural view of the sub-pump.
Fig. 18 is a schematic view of the structure of the sub-pump.
Fig. 19 is a partial structural view of the sub-pump.
Labeled as:
100. a main pump; 110. a pump body; 120. a barrel; 121. a guide chute; 130. a sealing cover;
200. a pump core component; 210. a self-priming mechanism; 211. a core body; 212. a liquid suction chamber; 213. an input tube; 213a, a ring slot I; 213b, a first through hole; 214. an output pipe; 214a and a second ring slot; 214b, a second through hole; 215. a first connecting hole; 216. a first connecting port; 217. a second connecting hole; 218. a second connecting port; 219. connecting grooves; 220. a third through hole; 221. a push rod; 222. a piston; 223. a fixing plate; 224. sealing the first ball; 225. pushing the first spring; 226. sealing the second ball; 227. pushing the second spring; 228. a plug screw; 229. an input connector; 230. an output connector; 231. butting the sleeves; 232. an annular groove; 233. butt-joint pipes; 240. a drive guide mechanism; 241. a stabilizing disc; 242. a sliding groove; 243. flattening the groove; 244. buckling the plate; 245. a slider; 246. a guide projection; 247. a driving wheel;
300. a secondary pump; 301. a guide bar; 302. sealing the sliding block; 303. a compression spring; 304. sealing the cavity; 305. an input port; 306. and (7) an output port.
Detailed Description
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, the main pump 100 and the auxiliary pump 300 share one driving end, 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 pump body 110 is axially and horizontally arranged, the cylinder 120 and the sealing cover 130 form sealed connection and matching, 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, and the output end of.
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 tube 213 is parallel to an axial direction of the circumference of the core body 211, the input tube 213 is fixedly connected with the core body 211 into a whole, an 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 output 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 are in one-to-one correspondence with the first connection hole 215, 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 middle position of the first connection hole 215 along the axial direction, the other end of the second connection hole 217 is arranged in a closed manner, a second connection hole 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 hole 217 is arranged between the second connection hole 217 and, 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 sealing 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, an input end of the input pipe 213 movably penetrates through the cylinder 120 and extends to the outside of the pump body 110, an 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 an 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 an 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 each positioned on one side of the pump body 110, in order to facilitate installation of the input connector 229, an annular clamping groove one 213a is coaxially arranged on an 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 and matched, 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 the 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 the gap formed between the second sealing ball 226 and the second connecting port 218, and then flows through the third through hole 220, the connecting groove 219, the output pipe 214 and the output joint 230 until being 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 sliding groove 121, the guide protrusion 246 extends into the guide sliding groove 212 and forms a sliding guide fit along the circumferential direction of the guide sliding groove 121, the reciprocating stroke of the piston 222 is equal to the distance of the axis of the circumference of the core 221 offset from the axis of the guide sliding groove 121, by rotating the core body 211 around its own axis, the guide projection 246 slides along the guide sliding groove 212, and at the same time, the guide projection 246 slides back and forth along the flat groove 243, thereby driving the push rod 221 to slide back and forth along the axial direction of the liquid suction chamber 212, and in order to drive the core 211 to rotate, the outer circular surface of one end of the input pipe 213, which is far away from the core body 211, is coaxially and fixedly sleeved with a driving wheel 247, the driving wheel 247 is connected with a power output end of a driving device, and the driving device is used for driving the driving wheel 247 to rotate around the axial direction of the driving device.
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, 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 (4)
1. A multi-functional eccentric parallel pump which characterized in that: the self-priming pump comprises a main pump and an auxiliary pump arranged in the main pump, wherein the main pump and the auxiliary pump respectively comprise a liquid input end and a liquid output end which are mutually independent, and the main pump and the auxiliary pump share one driving end;
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 core body in the circumferential direction is parallel to the axis of the pump body, the axis of the core body in the circumferential direction is deviated to the position right below the axis of the pump body, six side surfaces of the core body are respectively provided with a cylindrical liquid suction cavity which is radially arranged in the circumferential direction of the core body, a piston which forms a sealed sliding guide fit with the liquid suction cavity is arranged in the liquid suction cavity, a push rod which extends to the outside of the liquid suction cavity is coaxially and fixedly arranged on the piston, one end surface of the core body, which is close to the bottom of the cylinder body, is provided with a hard input pipe, the axial direction of the input pipe is parallel to the axial direction of the circumference of the core body, the input pipe is fixedly connected with the core body into a whole, a screw plug which is detachably connected and matched and is, one end face of the core body, which is close to the sealing cover, is provided with a circular connecting groove which is coaxially arranged with the input pipe, the opening of the connecting groove is coaxially and fixedly provided with a hard output pipe, the input end of the output pipe is communicated with the connecting groove, and the output end is arranged in a closed manner;
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 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, one end surface of the stabilizing disc close to the sealing cover is fixedly provided with buckling plates matched with the stabilizing disc and sleeved outside the core body, the sliding blocks and the push rod are fixedly connected with one end surface of the piston, one end surface of the stabilizing disc close to the bottom of the cylinder body is provided with flat grooves which are arranged along the radial direction of the cylinder body, the flat grooves and the sliding grooves, the guide lug is fixedly connected with the sliding 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 of the guide chute, the reciprocating stroke of the piston is equal to the distance of the axis of the circumference of the core body deviating from the axis of the guide chute, the outer circular surface of the input tube, which is far away from one end of the core body, is coaxially and fixedly sleeved with a driving wheel, the driving wheel is connected with the power output end of driving equipment, and the driving equipment is used for driving the driving wheel to rotate around the axial direction of the driving wheel;
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 the pump body, each sealing slide block and the sliding groove form sliding guide fit along the radial direction of the stabilizing disc, each sealing slide block extends outwards from the sliding groove and forms sealing contact with the inner wall of the cylinder body, a compression spring is movably sleeved outside each guide rod, one end of each compression spring is in contact with each sliding block, the other end of each compression spring is in contact with each sealing slide block, the elastic force of each compression spring is always directed to each sealing slide block by each sliding block, each two adjacent sealing slide, the volume of the airtight cavity between the top of the pump body and the bottom of the pump body along the anticlockwise direction is reduced in sequence, the right side of the bottom of the pump body is provided with an input port connected and communicated with the corresponding airtight cavity, the input port is vertically arranged upwards, the left side of the bottom of the pump body is provided with an output port connected and communicated with the corresponding airtight cavity, the output port is vertically arranged downwards, and a check valve III are arranged in the output port and used for discharging liquid in the airtight cavity towards the outside of the output port in a one-way mode.
2. A multi-function eccentric parallel pump according to claim 1, characterized in that: be provided with check valve one between the output of imbibition chamber and input tube, check valve one includes that coaxial seting up in imbibition chamber bottom and with the input tube be connected the connecting hole one of switch-on, connecting hole one forms the connector one that the diameter is less than connecting hole one diameter with the input tube junction, connecting hole one inlays with the junction coaxial of imbibition chamber and is equipped with the annular fixed plate of connecting switch-on both, be provided with in the connecting hole one and be used for carrying out the sealed ball one of contradicting the shutoff to connector one, still be provided with in the connecting hole one and support and push away spring one, support and push away spring one end and fixed plate fixed connection, the other end and sealed ball fixed connection and support the elasticity that pushes away spring one and promote sealed ball one all the time and link up with connector.
3. A multi-function eccentric parallel pump according to claim 2, characterized in that: 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 connecting hole I along the middle position of 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 joint of the connecting hole II and the connecting hole I, a through hole III used for connecting and communicating the connecting hole II is formed between the connecting hole II and the connecting groove, a sealing ball II used for abutting and plugging the connecting hole II is arranged in the connecting hole II, a pushing spring II is further arranged in the connecting hole II, one end of the pushing spring II is fixedly connected with the closed.
4. A multi-function eccentric parallel pump according to claim 2, characterized in that: the input end 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, an output connector communicated with the inside of the output pipe is sleeved on the outer circular surface of the output pipe, the input connector and the output connector are both positioned outside the pump body and are respectively positioned on one side of the pump body, an annular clamping groove I is coaxially arranged on the outer circular surface of the input pipe, the input connector comprises a butt-joint sleeve coaxially and rotatably sleeved on the annular clamping groove I, the butt-joint sleeve is fixedly connected with the outer end surface of the cylinder body, the butt-joint sleeve and the annular clamping groove I form rotary sealing connection and matching, an annular groove is coaxially arranged on the inner circular surface of the butt-joint sleeve, a first through hole used for connecting and, the outer circular surface of the output pipe is provided with six through holes for connecting and connecting the annular groove in the output connector and the second output pipe, and the through holes are arranged in an array along the circumferential direction of the output pipe.
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| CN201910946150.4A CN110578686B (en) | 2019-10-03 | 2019-10-03 | Multifunctional eccentric parallel pump |
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| CN103233873B (en) * | 2013-04-18 | 2015-06-03 | 西安交通大学 | External-rotor radial plunger hydraulic pump integrated with motors |
| CN205478137U (en) * | 2016-01-26 | 2016-08-17 | 机械科学研究总院 | Move shell type air spring radial piston pump |
| CN207195169U (en) * | 2017-08-25 | 2018-04-06 | 科力远混合动力技术有限公司 | Automobile power synthesizes case double-united oil pump |
| CN109931240A (en) * | 2019-04-18 | 2019-06-25 | 常胜 | Plunger type fluid compression engine |
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Denomination of invention: A multifunctional eccentric parallel pump Effective date of registration: 20230414 Granted publication date: 20210202 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG QINGXIAO TECHNOLOGY CO.,LTD. Registration number: Y2023980038017 |
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