CN112302899B - Reciprocating pump set for assisting transfusion - Google Patents

Reciprocating pump set for assisting transfusion Download PDF

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Publication number
CN112302899B
CN112302899B CN202011146076.7A CN202011146076A CN112302899B CN 112302899 B CN112302899 B CN 112302899B CN 202011146076 A CN202011146076 A CN 202011146076A CN 112302899 B CN112302899 B CN 112302899B
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China
Prior art keywords
ring
output shaft
magnetic ring
location
plunger
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CN202011146076.7A
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Chinese (zh)
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CN112302899A (en
Inventor
鲁保富
王海鹏
李伟
张刚
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Ningbo Qianhu Petroleum Equipment Co ltd
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Ningbo Qianhu Petroleum Equipment Co ltd
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Publication of CN112302899A publication Critical patent/CN112302899A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/04—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/20—Filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The utility model relates to a reciprocating pump group of supplementary infusion, including pump case, power end and fluid end, still including set up in the supplementary pay-off subassembly of fluid end one side, the power end including set up in plunger in the pump case, supplementary pay-off subassembly including set up in plunger one side just carries out axial telescopic reciprocating motion's driving piece, the driving piece includes the output shaft, the output shaft with the plunger is connected. This application has and to realize the transport to the higher chemical industry hot thick liquid of concentration that can make reciprocating pump group, promotes reciprocating pump group's application scope's effect.

Description

Reciprocating pump set for assisting transfusion
Technical Field
The application relates to the technical field, in particular to a reciprocating pump set for assisting transfusion.
Background
At present, a reciprocating pump group is equipment for conveying chemical hot slurry.
The existing reciprocating pump generally comprises a base, a pump body and a transmission assembly, the pump body generally comprises a pump shell, a power end and a liquid end, the power end and the liquid end are both installed inside the pump shell, the power end comprises a crank rod, a connecting rod rotatably installed on the crank rod, a crosshead movably connected with the connecting rod and a piston installed on one side, far away from the connecting rod, of the crosshead, the liquid end comprises a liquid inlet valve and a liquid outlet valve, the liquid inlet valve and the liquid outlet valve are alternately opened through the reciprocating motion of the piston rod relative to the pump shell, and therefore the liquid in the pump shell is conveyed.
However, in the actual use process of the reciprocating pump, because the hot slurry in the reciprocating pump set is conveyed by the plunger, when the density of the hot slurry is high, the driving force for the hot slurry in the pump body, which is generated by the reciprocating motion of the plunger driven by the rotation of the common motor, cannot realize the conveying of the chemical hot slurry, and the normal conveying of the chemical hot slurry in the reciprocating pump set is affected.
Disclosure of Invention
In order to enable the reciprocating pump set to realize the transportation of the chemical engineering hot pulp with higher concentration and to improve the application range of the reciprocating pump set, the application provides the reciprocating pump set for assisting the transfusion.
The technical scheme provided by the application is as follows:
the reciprocating pump set for assisting in infusion comprises a pump shell, a power end, a liquid end and an auxiliary feeding assembly, wherein the auxiliary feeding assembly is arranged on one side of the liquid end, the power end comprises a plunger arranged in the pump shell, the auxiliary feeding assembly comprises a driving piece which is arranged on one side of the plunger and performs axial telescopic reciprocating motion, the driving piece comprises an output shaft, and the output shaft is connected with the plunger.
Through adopting above-mentioned technical scheme, when the great chemical industry hot thick liquid of density is carried in needs to above-mentioned reciprocating pump group, the drive power that uses the drive motor production on the ordinary reciprocating pump group hardly realizes the transport to the chemical industry hot thick liquid of high density, at this moment, the driving piece starts, supplementary plunger carries out the axial action, because the transmission of power is more direct, thereby make the reciprocating pump in this application can make the plunger can still can move when the density of chemical industry hot thick liquid is great under the unchangeable circumstances of motor power, thereby realize the transport to the chemical industry hot thick liquid, the application scope of chemical pump has been promoted, and promote the transport efficiency to the reciprocating pump group hot thick liquid.
Preferably, one side of the plunger facing the driving piece is provided with an inserting blind hole for inserting the output shaft of the driving piece, the end part of the output shaft is inserted into the inserting blind hole, and a locking assembly for locking the locking shaft and the plunger is arranged between the output shaft and the plunger.
Through adopting above-mentioned technical scheme, during the installation, driving piece output shaft inserts in the grafting blind hole to installation between output shaft and the grafting blind hole has been made things convenient for.
Preferably, locking Assembly including set up in holding ring in the grafting blind hole, set up in the inside spacing ring of holding ring and peg graft in the post is inserted in the location of spacing ring lateral wall, the confession has been seted up to the lateral wall of output shaft the inserted positioning ring groove of post is inserted in the location, the outside cover of output shaft is equipped with first magnetic ring, the number of first magnetic ring is two and is located respectively the both sides of positioning ring groove.
Through adopting above-mentioned technical scheme, during the use, the post is inserted in the location inserts the positioning ring inslot that is located the output shaft outside to the realization is to the axial positioning between output shaft and the plunger, thereby makes the output shaft can move with the plunger is synchronous, and has made things convenient for the installation between output shaft and the plunger.
Preferably, the bottom of location annular is provided with a flexible magnetic ring, flexible magnetic ring with the post is inserted in the location adsorbs each other, the output shaft orientation one side that the post was inserted in the location is provided with the direction inclined plane, the tip that the post was inserted in the location has and is hemispherical spherical cambered surface, flexible magnetic ring lateral wall with interval between the first magnetic ring lateral wall is greater than the radius of bulb, flexible magnetic ring with be located the adsorption affinity between the post is inserted in the location of first magnetic ring lateral wall is greater than the gravity that the post was inserted in the location.
By adopting the technical scheme, when the output shaft is inserted into the plunger, the plunger moves to the outer side of the output shaft under the action of the guide inclined plane, meanwhile, the positioning insertion column positioned on the inner side wall of the insertion blind hole is adsorbed on the surface of the first magnetic ring under the action of the first magnetic ring positioned on the outer side of the output shaft, the output shaft continues to move forwards, and when the positioning insertion column passes through the positioning ring groove, the positioning insertion column enters the positioning ring groove under the adsorption of the flexible magnetic ring, so that the axial positioning between the output shaft and the plunger is realized, and the positioning between the output shaft and the plunger is more convenient; in actual use, insert the adsorption affinity between the post through flexible magnetic ring and location, reduced the location and inserted the probability that takes place to take off between post and the positioning ring groove.
Preferably, the side of holding ring has seted up the adsorption ring groove, be provided with the location magnetic ring in the adsorption ring groove, the location magnetic ring with the post adsorbs each other is inserted in the location, the adsorption affinity of location magnetic ring is less than the adsorption affinity of first magnetic ring and flexible magnetic ring.
Through adopting above-mentioned technical scheme, offer the adsorption ring groove at the lateral wall of holding ring, insert the post when need not using as the location, adsorb through the adsorption affinity of adsorption ring groove to make the location insert the post can accomodate in the adsorption ring inslot when need not using, thereby reduced the location insert the post when the output shaft inserts in the plunger and the plunger between the probability of taking place to interfere.
Preferably, the outer side of the output shaft is sleeved with a filtering magnetic ring, and the filtering magnetic ring is fixedly clamped with the output shaft.
Through adopting above-mentioned technical scheme, set up in the outside of output shaft and filter the magnetic ring, can filter the magnetic impurities in the internal chemical industry hot thick liquid of pump to reduce the magnetic impurities in the pump, reduced the probability that the plunger leads to the plunger lateral wall to take place wearing and tearing at the in-process of motion and the magnetic impurities friction in the chemical industry hot thick liquid, thereby promoted the life of chemical pump to a certain extent.
Preferably, a cooling circulation device is arranged on the outer side of the output shaft, the cooling circulation device comprises a cooling ring arranged between the output shaft and the filtering magnetic ring, a water storage ring arranged on one side of the cooling ring, a water pump connected with the water storage ring, and a heat dissipation plate arranged on the outer side of the water storage ring, a cooling channel is arranged inside the cooling ring, cooling liquid is filled in the cooling channel, the water storage ring and the cooling ring are connected in a sealing and sliding mode, the heat dissipation plate is arranged on the side wall of the water storage ring, and the water storage ring and the cooling ring are communicated with each other through the water pump.
By adopting the technical scheme, the cooling circulation device is arranged on the outer side of the output shaft, so that the output shaft can be cooled, the failure probability of the magnet positioned on the output shaft under the action of the chemical hot slurry with higher temperature in the pump body is reduced, and the service life of the output shaft is prolonged; and the probability of aggravation of surface abrasion caused by overhigh temperature in the use process of the plunger can be reduced to a certain extent, so that the service life of the chemical pump is further prolonged to a certain extent.
Preferably, the cooling cycle apparatus further includes a fan disposed outside the heat radiating plate, and the fan is mounted outside the heat radiating plate.
Through adopting above-mentioned technical scheme, further promoted the cooling effect of cooling cycle device to the output shaft.
Preferably, the heat dissipation plate is arranged along the outer circumferential direction of the water storage ring at intervals, the heat dissipation plate is positioned on four mutually-connected installation planes formed in the circumferential direction of the outer side wall of the water storage ring, heat dissipation through holes are formed in the side wall of the heat dissipation plate, and the fan is installed on the installation planes.
Through adopting above-mentioned technical scheme, made things convenient for the installation between heating panel and the fan, and because the heating panel form the mounting surface all around to make heat radiating area increase, thereby further promoted the cooling effect of cooling circulation device to the output shaft.
In summary, the present application includes at least one of the following beneficial technical effects:
by arranging the auxiliary feeding assembly, the reciprocating pump set can convey chemical hot slurry with higher concentration, and the application range of the reciprocating pump set is widened;
by arranging the filtering magnetic ring, the magnetic material in the chemical pulp in the pump body can be filtered;
through setting up cooling module, reduced because the too high probability that leads to the magnetite inefficacy of the heat of chemical industry thick liquid.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a partial cross-sectional structural schematic diagram of the present application.
Fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 1.
Reference number specification, 1, mounting base; 2. a pump body; 21. a pump housing; 22. a power end; 221. a plunger; 23. a fluid end; 231. liquid inlet shell; 2311. a liquid inlet hole; 2312. a liquid outlet hole; 2313. installing a groove; 232. a liquid inlet valve; 233. a liquid outlet valve; 3. a servo motor; 4. a transmission assembly; 5. an auxiliary feeding assembly; 51. a drive member; 511. a cylinder body; 512. an output shaft; 5121. a guide slope; 5122. a positioning ring groove; 513. filtering the magnetic ring; 514. a first magnetic ring; 515. a flexible magnetic ring; 6. a locking assembly; 61. a positioning ring; 611. an adsorption ring groove; 612. positioning a magnetic ring; 62. a limiting ring; 621. mounting through holes; 63. positioning the inserted column; 631. positioning a plate; 7. a cooling circulation device; 71. a cooling ring; 711. a cooling channel; 72. a water storage ring; 73. a water pump; 74. a heat dissipation plate; 741. a heat dissipating through hole; 742. a mounting plane; 75. a fan.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a reciprocating pump set for assisting transfusion, which is shown in attached figures 1 and 2 and comprises a mounting base 1, a pump body 2, a servo motor 3, a transmission assembly 4, an auxiliary feeding assembly 5 and a locking assembly 6. The pump body 2 and the servo motor 3 are driven by a transmission component 4, and in the embodiment, the transmission component 4 is a belt pulley pair. The auxiliary feeding assembly 5 assists the pump body 2 to feed materials, so that the pump body 2 has higher feeding power, and the locking assembly 6 locks the auxiliary feeding assembly 5 and the pump body 2.
The pump body 2 comprises a pump shell 21, a power end 22 and a liquid end 23, wherein the power end 22 and the liquid end 23 are arranged in the pump shell 21, the power end 22 is provided with a plunger 221, and the liquid end 23 comprises a liquid inlet shell 231, a liquid inlet valve 232 and a liquid outlet valve 233. The liquid inlet casing 231 is provided with a liquid inlet hole 2311 and a liquid outlet hole 2312.
One side of the liquid inlet housing 231 is provided with a mounting groove 2313 for mounting the auxiliary feeding assembly 5, and the auxiliary feeding assembly 5 comprises a plurality of driving pieces 51 which are arranged on one side of the plunger 221 and perform axial telescopic reciprocating motion. The driving member 51 and the plunger 221 are disposed in a one-to-one correspondence, in this embodiment, the driving member 51 is a cylinder, and other reciprocating members capable of achieving circumferential auxiliary conveying for the plunger 221 besides the cylinder are within the scope of the claimed invention, such as a hydraulic cylinder, an electric cylinder, and the like.
Referring to fig. 2 and fig. 3, the driving member 51 includes a cylinder 511 and an output shaft 512, the cylinder 511 and the liquid inlet casing 231 are fixedly connected by bolts, a filtering magnetic ring 513 is sleeved outside the output shaft 512, the filtering magnetic ring 513 is fixedly clamped with the output shaft 512, and a guiding inclined plane 5121 is disposed on one side of the output shaft 512 facing the positioning insertion column 63. The outer side of the output shaft 512 is sleeved with a first magnetic ring 514. The lateral wall of the output shaft 512 is provided with a positioning ring groove 5122 for inserting the positioning insertion column 63, and the number of the first magnetic rings 514 is two and the two first magnetic rings are respectively located at two sides of the positioning ring groove 5122.
One side of the plunger 221 facing the driving element 51 is provided with a blind insertion hole 2211 into which the output shaft 512 of the driving element 51 is inserted, the locking assembly 6 is installed in the blind insertion hole 2211, and the locking assembly 6 includes a positioning ring 61 disposed in the blind insertion hole 2211, a limiting ring 62 disposed inside the positioning ring 61, and a positioning insertion column 63 inserted into the side wall of the limiting ring 62.
Holding ring 61 fixed mounting is in grafting blind hole 2211, adsorption ring groove 611 has been seted up to holding ring 61's side, be provided with location magnetic ring 612 in the adsorption ring groove 611, spacing ring 62 slides and installs in holding ring 61, a plurality of installation through-hole 621 have been seted up at the even interval of spacing ring 62's lateral wall circumference, the post 63 is inserted in the location slides and pegs graft in installation through-hole 621, the top of post 63 is inserted in the location is provided with locating plate 631, the diameter of locating plate 631 is greater than the diameter of installation through-hole 621, one side that holding ring 61 was kept away from to post 63 is inserted in the location is provided with the spherical cambered surface that is the hemisphere and sets up. The positioning insertion column 63 is made of a magnetic material as a whole. When the output shaft 512 is not inserted into the insertion blind hole 2211, the positioning magnetic ring 612 and the positioning plate 631 on the side wall of the positioning insertion column 63 are attracted to each other.
The bottom of the positioning ring groove 5122 is provided with a flexible magnetic ring 515, the flexible magnetic ring 515 and the positioning insertion posts 63 are mutually adsorbed, the distance between the outer side wall of the flexible magnetic ring 515 and the outer side wall of the first magnetic ring 514 is larger than the radius of a spherical cambered surface, the adsorption force between the flexible magnetic ring 515 and the positioning insertion posts 63 positioned on the outer side wall of the first magnetic ring 514 is larger than the gravity of the positioning insertion posts 63, and the adsorption force of the positioning magnetic ring 612 is smaller than the adsorption force between the first magnetic ring 514 and the flexible magnetic ring 515.
The cooling circulation device 7 is provided outside the output shaft 512, and the cooling circulation device 7 includes a cooling ring 71 provided between the output shaft 512 and the filter magnet ring 513, a water storage ring 72 provided on one side of the cooling ring 71, a water pump 73 connected to the water storage ring 72, a heat radiation plate 74 provided outside the water storage ring 72, and a fan 75 provided outside the heat radiation plate 74.
The inner wall of the water storage ring 72 is provided with a sealing ring, one side of the water storage ring 72 facing the liquid inlet shell 231 is provided with a sealing gasket pressed with the liquid inlet shell 231, and the water storage ring 72 is connected with the liquid inlet shell 231 through bolts. The cooling ring 71 is internally provided with a cooling channel 711, the cooling channel 711 is filled with cooling liquid, the water storage ring 72 is connected with the cooling ring 71 in a sealing and sliding manner, and the water storage ring 72 is communicated with the cooling ring 71 by a water pump 73.
The heat dissipation plate 74 is installed on the side wall of the water storage ring 72, the heat dissipation plate 74 and the water storage ring 72 are welded and fixed, the heat dissipation plate 74 is arranged at intervals along the outer circumferential direction of the water storage ring 72, the heat dissipation plate 74 is located on the outer circumferential direction of the outer side wall of the water storage ring 72 to form four mutually connected installation planes 742, a heat dissipation through hole 741 is formed in the side wall of the heat dissipation plate 74, and the fan 75 is installed on the installation planes 742.
The implementation principle of the reciprocating pump set for assisting transfusion is as follows: when above-mentioned reciprocating pump group is in the great chemical industry hot thick liquid of density of needs transport, the drive power that uses the drive motor production on the ordinary reciprocating pump group hardly realizes the transport to the chemical industry hot thick liquid of high density, this moment, driving piece 51 starts, supplementary plunger 221 carries out the axial action, because the transmission of power is more direct, thereby make reciprocating pump in this application can make plunger 221 can still can move when the density of chemical industry hot thick liquid is great under the unchangeable condition of motor power, thereby realize the transport to the chemical industry hot thick liquid, the application scope of chemical pump has been promoted, and promote the transport efficiency to reciprocating pump group hot thick liquid.
The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. A reciprocating pump group for assisting transfusion, which comprises a pump shell (21), a power end (22) and a liquid end (23), and is characterized in that: the feeding device is characterized by further comprising an auxiliary feeding assembly arranged on one side of the hydraulic end (23), the power end (22) comprises a plunger (221) arranged in the pump shell (21), the auxiliary feeding assembly comprises a driving piece (51) which is arranged on one side of the plunger (221) and performs axial telescopic reciprocating motion, the driving piece (51) comprises an output shaft (512), and the output shaft (512) is connected with the plunger (221);
one side, facing the driving piece (51), of the plunger (221) is provided with a plugging blind hole (2211) into which an output shaft (512) of the driving piece (51) is inserted, the end part of the output shaft (512) is inserted into the plugging blind hole (2211), and a locking assembly (6) for locking the locking shaft and the plunger (221) is arranged between the output shaft (512) and the plunger (221);
the locking assembly (6) comprises a positioning ring (61) arranged in the inserting blind hole (2211), a limiting ring (62) arranged in the positioning ring (61) and a positioning inserting column (63) inserted into the side wall of the limiting ring (62), a positioning ring groove (5122) for inserting the positioning inserting column (63) is formed in the side wall of the output shaft (512), a first magnetic ring (514) is sleeved on the outer side of the output shaft (512), and the two first magnetic rings (514) are respectively positioned on two sides of the positioning ring groove (5122);
the driving pieces (51) and the plungers (221) are arranged in a one-to-one correspondence manner;
the bottom of location annular (5122) is provided with a flexible magnetic ring (515), flexible magnetic ring (515) with post (63) are inserted in the location and are adsorbed each other, output shaft (512) orientation one side that post (63) were inserted in the location is provided with direction inclined plane (5121), the tip that post (63) were inserted in the location has and is hemispherical spherical cambered surface, flexible magnetic ring (515) lateral wall with interval between first magnetic ring (514) lateral wall is greater than the radius of spherical cambered surface, flexible magnetic ring (515) with be located adsorption affinity between post (63) is inserted in the location of first magnetic ring (514) lateral wall is greater than the gravity that post (63) was inserted in the location.
2. The reciprocating pump set for assisting infusion of claim 1, wherein: adsorption ring groove (611) have been seted up to the side of holding ring (61), be provided with location magnetic ring (612) in adsorption ring groove (611), location magnetic ring (612) with location post (63) adsorb each other, the adsorption affinity of location magnetic ring (612) is less than the adsorption affinity of first magnetic ring (514) and flexible magnetic ring (515).
3. The reciprocating pump set for assisting infusion of claim 2, wherein: the outer side of the output shaft (512) is sleeved with a filtering magnetic ring (513), and the filtering magnetic ring (513) is fixedly clamped with the output shaft (512).
4. A reciprocating pump set for assisting fluid infusion according to claim 3 wherein: the outer side of the output shaft (512) is provided with a cooling circulation device (7), the cooling circulation device (7) comprises a cooling ring (71) arranged between the output shaft (512) and the filtering magnetic ring (513), a water storage ring (72) arranged on one side of the cooling ring (71), a water pump (73) connected with the water storage ring (72), and a heat dissipation plate (74) arranged on the outer side of the water storage ring (72), a cooling channel (711) is formed in the cooling ring (71), cooling liquid is filled in the cooling channel (711), the water storage ring (72) and the cooling ring (71) are connected in a sealing sliding mode, the heat dissipation plate (74) is arranged on the side wall of the water storage ring (72), and the water storage ring (72) and the cooling ring (71) are communicated with each other through the water pump (73).
5. The reciprocating pump set for assisting infusion of claim 4, wherein: the cooling circulation device (7) further comprises a fan (75) arranged on the outer side of the heat dissipation plate (74), and the fan (75) is arranged on the outer side of the heat dissipation plate (74).
6. The reciprocating pump set for assisting fluid infusion according to claim 5, wherein: the heat dissipation plate (74) is arranged along the circumferential direction of the outer side of the water storage ring (72) at intervals, the heat dissipation plate (74) is located on the circumferential direction of the outer side wall of the water storage ring (72) to form four mutually-connected installation planes (742), a heat dissipation through hole (741) is formed in the side wall of the heat dissipation plate (74), and the fan (75) is installed on the installation planes (742).
CN202011146076.7A 2020-10-23 2020-10-23 Reciprocating pump set for assisting transfusion Active CN112302899B (en)

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Application Number Priority Date Filing Date Title
CN202011146076.7A CN112302899B (en) 2020-10-23 2020-10-23 Reciprocating pump set for assisting transfusion

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Application Number Priority Date Filing Date Title
CN202011146076.7A CN112302899B (en) 2020-10-23 2020-10-23 Reciprocating pump set for assisting transfusion

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CN112302899A CN112302899A (en) 2021-02-02
CN112302899B true CN112302899B (en) 2022-07-22

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171070B1 (en) * 1997-05-09 2001-01-09 Hakusu Tech Co., Ltd. High-pressure reciprocating pumps
CN102782322A (en) * 2009-11-24 2012-11-14 日机装株式会社 Reciprocation pump and dialysis device comprising same
CN103590995A (en) * 2013-11-25 2014-02-19 天津市聚能高压泵有限公司 Plunger pump capable of conveying granular media
KR102038869B1 (en) * 2019-07-09 2019-10-31 이성관 Water-jet blasting system
CN209621595U (en) * 2019-01-24 2019-11-12 宁波凯明机器制造有限公司 A kind of reciprocating pump that can remove magnetic impurity
CN211500956U (en) * 2019-11-29 2020-09-15 宁波大隆机器制造有限公司 High-pressure plunger reciprocating pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171070B1 (en) * 1997-05-09 2001-01-09 Hakusu Tech Co., Ltd. High-pressure reciprocating pumps
CN102782322A (en) * 2009-11-24 2012-11-14 日机装株式会社 Reciprocation pump and dialysis device comprising same
CN103590995A (en) * 2013-11-25 2014-02-19 天津市聚能高压泵有限公司 Plunger pump capable of conveying granular media
CN209621595U (en) * 2019-01-24 2019-11-12 宁波凯明机器制造有限公司 A kind of reciprocating pump that can remove magnetic impurity
KR102038869B1 (en) * 2019-07-09 2019-10-31 이성관 Water-jet blasting system
CN211500956U (en) * 2019-11-29 2020-09-15 宁波大隆机器制造有限公司 High-pressure plunger reciprocating pump

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