CN111927766A - Flexible impeller pump - Google Patents

Flexible impeller pump Download PDF

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Publication number
CN111927766A
CN111927766A CN202010842744.3A CN202010842744A CN111927766A CN 111927766 A CN111927766 A CN 111927766A CN 202010842744 A CN202010842744 A CN 202010842744A CN 111927766 A CN111927766 A CN 111927766A
Authority
CN
China
Prior art keywords
shaft
pump body
filter screen
flexible
liquid inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010842744.3A
Other languages
Chinese (zh)
Inventor
盛信超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Kemi Machinery Manufacturing Co ltd
Original Assignee
Jiangsu Kemi Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Kemi Machinery Manufacturing Co ltd filed Critical Jiangsu Kemi Machinery Manufacturing Co ltd
Priority to CN202010842744.3A priority Critical patent/CN111927766A/en
Publication of CN111927766A publication Critical patent/CN111927766A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • 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
    • 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
    • F04C2240/00—Components
    • F04C2240/20—Rotors
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to the technical field of impeller pumps, and discloses a flexible impeller pump which comprises a pump body, wherein the pump body is communicated with a liquid inlet and a liquid outlet, a flexible blade is arranged in the pump body, an eccentric block is connected to the inner side wall of the pump body, the liquid inlet and the liquid outlet are symmetrically arranged relative to the eccentric block, and a filtering and cleaning mechanism is arranged on the liquid inlet; the filtering and cleaning mechanism comprises a filter screen, the filter screen is connected to the inlet, the hole wall of one end position of the pump body is far away from the inlet, the inlet is close to the hole wall of one end position of the pump body, a rotating part arranged through two symmetries is connected with a supporting shaft through rotation, fan blades are fixedly sleeved on the shaft wall of the supporting shaft, and the shaft wall of the supporting shaft is connected with a driving shaft through a driving part. The invention improves the liquid output effect of the flexible impeller pump, and simultaneously, the cleaning brush rotates on the filter screen in a reciprocating way by taking a half circle as a stroke, so that the filter screen is cleaned from the inner side of the filter screen, and the filter screen is prevented from being blocked.

Description

Flexible impeller pump
Technical Field
The invention relates to the technical field of impeller pumps, in particular to a flexible impeller pump.
Background
The flexible vane pump has obvious advantages in conveying a small amount of oil, has the characteristics of long-term self-suction performance and volume efficiency, can be conveniently disassembled when needing maintenance, and is easy to replace parts with serious abrasion. However, the flexible vane pump has poor liquid output effect at present, and can not filter impurities passing through the vane pump.
Disclosure of Invention
The invention aims to solve the problems that the flexible impeller pump in the prior art has poor liquid output effect and cannot filter impurities passing through the impeller pump, and provides the flexible impeller pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flexible impeller pump comprises a pump body, wherein the pump body is communicated with a liquid inlet and a liquid outlet, a flexible blade is arranged in the pump body, an eccentric block is connected to the inner side wall of the pump body, the liquid inlet and the liquid outlet are symmetrically arranged relative to the eccentric block, and a filtering mechanism is arranged on the liquid inlet;
the filtering and cleaning mechanism comprises a filter screen, the filter screen is connected with a hole wall of the inlet far away from one end position of the pump body, the hole wall of the inlet near one end position of the pump body is connected with a support shaft through two symmetrical rotating parts by rotation, the shaft wall of the support shaft is fixedly sleeved with fan blades, the shaft wall of the support shaft is connected with a drive shaft through a transmission part, one end of the drive shaft is connected with the hole wall of the inlet through a bearing seat, a support frame in a cross shape is connected with the hole wall in the inlet between the support shaft and the filter screen, a seal bearing is embedded at the center of the support frame, a rotating shaft is fixedly connected with the inner ring wall of the seal bearing, two ends of the rotating shaft penetrate through the seal bearing and extend outwards, a long-strip cleaning brush is fixedly connected with one end of the filter screen near the rotating shaft, one end of the rotating shaft, which is far away from the cleaning brush, is connected with the driving shaft through the reciprocating driving piece.
Preferably, the lower end of the pump body is connected with a base, and the pump body is connected with the base through a bolt.
Preferably, the pump body and the eccentric block are of an integrally formed structure.
Preferably, the rotating part comprises an annular block with a T-shaped section and an annular groove with a T-shaped section, the annular block is fixedly connected to one end of the supporting shaft, the position of the annular groove corresponding to the annular block is arranged on the hole wall of the liquid inlet, and the annular block is rotatably connected to the annular groove.
Preferably, the transmission part comprises a chain and two chain wheels, the two chain wheels are respectively sleeved on the shaft walls of the supporting shaft and the driving shaft, and the two chain wheels are connected in a transmission manner through the chain.
Preferably, the reciprocating driving member comprises a driving bevel gear, the driving bevel gear is fixedly connected to one end, close to the rotating shaft, of the driving shaft, driven bevel gears are symmetrically and fixedly sleeved on the shaft wall of the rotating shaft about the driving bevel gear, a half circle of teeth are arranged on the annular side wall of the driving bevel gear, a whole circle of teeth are arranged on the annular side wall of the driven bevel gear, and the driving bevel gear is meshed with one of the driven bevel gears.
Preferably, the flexible blade is made of corrosion-resistant engineering plastics.
Preferably, the pump body is made of metal.
Preferably, a rolling groove is formed in one end, away from the supporting shaft, of the annular block, rolling balls are arranged in the rolling groove, the balls penetrate through notches of the rolling groove, and the balls are connected to the bottom of the annular groove in a rolling mode.
Preferably, the ball has a ball diameter larger than a groove diameter of the rolling groove opening.
Compared with the prior art, the invention provides a flexible impeller pump, which has the following beneficial effects:
1. this flexible vane pump, through setting up flexible blade and eccentric block, flexible blade rotates eccentric block department, form the vacuum and inhale the pump body with liquid from the inlet by the extrusion bending, flexible blade turns to eccentric block department once more, by the extrusion bending with the steady discharge pump body of liquid, through the rotatory direction of change flexible blade, can change the direction that liquid was imported and exported, flexible blade is rotatory, transport liquid from the inlet to the liquid outlet and discharge, the output effect of flexible vane pump to liquid has been improved.
2. This flexible impeller pump, through setting up the filtration clearance mechanism, when liquid passes through the inlet and gets into the pump body, at first filter it through the filter screen, block the impurity in the liquid in the outside of filter screen, liquid promotes the flabellum when the inlet motion and takes place to rotate, the flabellum atress back drives the back shaft and rotates, transmission through the driving medium makes the drive shaft carry out synchronous rotation, and when the drive shaft rotates, transmission through reciprocating drive spare, finally make the axis of rotation drive clearance brush and use the half-turn to carry out reciprocating rotation as the stroke on the filter screen, clear up the filter screen from the inboard of filter screen, prevent that the filter screen from taking place to block up, and clearance brush reciprocating rotation, avoid the clearance brush to rotate towards one side and make the brush hair take place the bending that can not resume, the clean effect to the filter screen has been guaranteed.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the invention improves the output effect of the flexible impeller pump on liquid, and simultaneously, the cleaning brush rotates on the filter screen in a reciprocating way by taking a half circle as a stroke, so that the filter screen is cleaned from the inner side of the filter screen, and the filter screen is prevented from being blocked.
Drawings
FIG. 1 is a schematic view of a flexible vane pump according to the present invention;
FIG. 2 is a schematic structural diagram of the relationship between the pump body and the flexible vane of the flexible vane pump according to the present invention;
FIG. 3 is a schematic view of the interior of a liquid inlet of a flexible vane pump according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: the device comprises a pump body 1, a liquid inlet 2, a liquid outlet 3, a flexible blade 4, an eccentric block 5, a filter screen 6, a support shaft 7, fan blades 8, a drive shaft 9, a bearing seat 10, a support frame 11, a sealing bearing 12, a rotating shaft 13, a cleaning brush 14, a base 15, an annular block 16, an annular groove 17, a chain 18, a chain wheel 19, a drive bevel gear 20, a driven bevel gear 21, a rolling groove 22 and a ball 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a flexible vane pump comprises a pump body 1, wherein the pump body 1 is communicated with a liquid inlet 2 and a liquid outlet 3, a flexible vane 4 is installed in the pump body 1, an eccentric block 5 is connected to the inner side wall of the pump body 1, the liquid inlet 2 and the liquid outlet 3 are symmetrically arranged relative to the eccentric block 5, the flexible vane 4 rotates to the eccentric block 5, the flexible vane 4 is extruded and bent to form vacuum to suck liquid into the pump body 1 from the liquid inlet 2, the flexible vane 4 rotates to the eccentric block 5 again, the liquid is stably discharged out of the pump body 1 by extrusion and bending, the direction of a liquid inlet and a liquid outlet can be changed by changing the rotating direction of the flexible vane 4, the flexible vane 4 rotates to convey the liquid from the liquid inlet 2 to the liquid outlet 3 for discharging, the output effect of the flexible vane pump on the;
the filtering and cleaning mechanism comprises a filter screen 6, the filter screen 6 is connected with the hole wall of the liquid inlet 2 far away from one end of the pump body 1, the hole wall of the liquid inlet 2 near one end of the pump body 1 is connected with a support shaft 7 through two symmetrically arranged rotating parts, the shaft wall of the support shaft 7 is fixedly sleeved with fan blades 8, the shaft wall of the support shaft 7 is connected with a drive shaft 9 through a transmission part, one end of the drive shaft 9 is connected with the hole wall of the liquid inlet 2 through a bearing seat 10, the hole wall in the liquid inlet 2 between the support shaft 7 and the filter screen 6 is connected with a cross-shaped support frame 11, the center of the support frame 11 is embedded with a seal bearing 12, the inner ring wall of the seal bearing 12 is fixedly connected with a rotating shaft 13, the two ends of the rotating shaft 13 penetrate through the seal bearing 12 and extend outwards, one, the bristles of the cleaning brush 14 are arranged on the inner side of the filter screen 6, one end of the rotating shaft 13, which is far away from the cleaning brush 14, is connected with the driving shaft 9 through the reciprocating driving piece, when liquid enters the pump body 1 through the liquid inlet 2, the liquid is firstly filtered through the filter screen 6, impurities in the liquid are blocked on the outer side of the filter screen 6, the liquid pushes the fan blades 8 to rotate when moving in the liquid inlet 2, the fan blades 8 drive the supporting shaft 7 to rotate after being stressed, the driving shaft 9 rotates synchronously through the transmission of the transmission piece, and when the driving shaft 9 rotates, the rotating shaft 13 finally drives the cleaning brush 14 to rotate on the filter screen 6 in a reciprocating way of half a circle as a stroke through the transmission of the reciprocating driving piece, so that the filter screen 6 is cleaned from the inner side of the filter screen 6, the filter screen 6 is prevented from being blocked, the cleaning brush 14 rotates in a reciprocating way, and the bristles are prevented from being, the cleaning effect of the filter screen 6 is ensured.
The lower extreme of the pump body 1 is connected with base 15, and the pump body 1 is connected with base 15 through the bolt.
The pump body 1 and the eccentric block 5 are of an integrated structure.
The rotating part comprises a ring-shaped block 16 with a T-shaped section and a ring-shaped groove 17 with a T-shaped section, the ring-shaped block 16 is fixedly connected with one end of the supporting shaft 7, the position of the ring-shaped groove 17, which corresponds to the ring-shaped block 16, is arranged on the hole wall of the liquid inlet 2, and the ring-shaped block 16 is rotatably connected in the ring-shaped groove 17, so that the supporting shaft 7 can rotate relative to the liquid inlet 2 while being connected with the liquid inlet.
The driving medium includes chain 18 and two sprockets 19, and two sprockets 19 cup joint respectively on the axle wall of back shaft 7 and drive shaft 9, and two sprockets 19 pass through the transmission of chain 18 and connect, and back shaft 7 drives the sprocket 19 rotation of self when rotating, and the transmission through chain 18 makes another sprocket 19 take place to rotate, and then makes back shaft 7 and drive shaft 9 carry out with fast syntropy and rotate.
The reciprocating driving part comprises a driving bevel gear 20, the driving bevel gear 20 is fixedly connected to one end, close to the rotating shaft 13, of the driving shaft 9, driven bevel gears 21 are symmetrically and fixedly sleeved on the shaft wall of the rotating shaft 13 about the driving bevel gear 20, half-circle teeth are arranged on the annular side wall of the driving bevel gear 20, full-circle teeth are arranged on the annular side wall of the driven bevel gear 21, the driving bevel gear 20 is meshed with one of the driven bevel gears 21, the driving shaft 9 drives the driving bevel gear 20 to rotate, the driving bevel gear 20 rotates for a full circle, the two driven bevel gears 21 are respectively meshed with the half-circle teeth, and when the two driven bevel gears 21 are meshed with the driving bevel gear 20, the rotating shaft 13 is driven to rotate in the corresponding direction, so that the rotating shaft 13 does.
The flexible blade 4 is made of corrosion-resistant engineering plastic.
The pump body 1 is made of metal, and the service life of the pump body 1 is prolonged.
The rolling groove 22 is formed in one end, away from the supporting shaft 7, of the annular block 16, the rolling ball 23 is arranged in the rolling groove 22, the rolling ball 23 penetrates through a notch of the rolling groove 22, the rolling ball 23 is connected to the bottom of the annular groove 17 in a rolling mode, the annular block 16 in the annular groove 17 is supported through the rolling ball 23, and when the annular block 16 rotates in the annular groove 17, friction resistance between the annular block 16 and the annular groove 17 is reduced.
The ball 23 has a larger spherical diameter than the groove diameter of the notch of the rolling groove 22, preventing the ball 23 from slipping out of the rolling groove 22.
In the invention, the flexible blade 4 rotates to the eccentric block 5, is extruded and bent to form vacuum to suck liquid into the pump body 1 from the liquid inlet 2, the flexible blade 4 rotates to the eccentric block 5 again, is extruded and bent to discharge the liquid out of the pump body 1 stably, the direction of the liquid inlet and the liquid outlet can be changed by changing the rotating direction of the flexible blade 4, the flexible blade 4 rotates to transport the liquid from the liquid inlet 2 to the liquid outlet 3 for discharging, and the output effect of the flexible impeller pump on the liquid is improved; when liquid passes through inlet 2 and gets into in the pump body 1, at first filter it through filter screen 6, block the impurity in the liquid in the outside of filter screen 6, liquid promotes flabellum 8 when 2 internal motion of inlet and takes place to rotate, flabellum 8 drives back shaft 7 after the atress and rotates, make drive shaft 9 carry out synchronous rotation through the transmission of driving medium, and when drive shaft 9 rotates, transmission through reciprocating drive spare, finally make axis of rotation 13 drive cleaning brush 14 and use the half-turn to carry out reciprocating rotation as the stroke on filter screen 6, clear up filter screen 6 from the inboard of filter screen 6, prevent that filter screen 6 from taking place to block up, and cleaning brush 14 reciprocating rotation, avoid cleaning brush 14 to rotate towards one side and make the brush hair take place the bending that can not resume, the clean effect to filter screen 6 has been guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A flexible impeller pump comprises a pump body (1), and is characterized in that the pump body (1) is communicated with a liquid inlet (2) and a liquid outlet (3), a flexible blade (4) is installed in the pump body (1), an eccentric block (5) is connected to the inner side wall of the pump body (1), the liquid inlet (2) and the liquid outlet (3) are symmetrically arranged relative to the eccentric block (5), and a filtering mechanism is installed on the liquid inlet (2);
the filtering and cleaning mechanism comprises a filter screen (6), the filter screen (6) is connected with a hole wall of the liquid inlet (2) far away from one end position of the pump body (1), the liquid inlet (2) is close to the hole wall of one end position of the pump body (1) and is connected with a supporting shaft (7) through two symmetrical rotating parts, fan blades (8) are fixedly sleeved on the shaft wall of the supporting shaft (7), a driving shaft (9) is connected on the shaft wall of the supporting shaft (7) through a transmission part, one end of the driving shaft (9) is connected on the hole wall of the liquid inlet (2) through a bearing seat (10), a supporting frame (11) which is in a cross shape is connected on the hole wall in the liquid inlet (2) between the supporting shaft (7) and the filter screen (6), a sealing bearing (12) is inlaid at the center of the supporting frame (11), and a rotating shaft (13) is fixedly connected on the inner, and both ends of axis of rotation (13) pass sealed bearing (12) and outwards extend, one end fixedly connected with rectangular form cleaning brush (14) that axis of rotation (13) is close to filter screen (6), and the brush hair setting of cleaning brush (14) is in the inboard of filter screen (6), the one end that cleaning brush (14) were kept away from in axis of rotation (13) is connected with drive shaft (9) through reciprocating drive spare.
2. A flexible impeller pump according to claim 1, characterized in that a base (15) is attached to the lower end of the pump body (1), and the pump body (1) is connected to the base (15) by means of bolts.
3. A flexible impeller pump according to claim 1, characterized in that the pump body (1) and the eccentric mass (5) are of one-piece construction.
4. A flexible vane pump according to claim 2, characterized in that the rotating member comprises a ring block (16) having a T-shaped cross section and a ring groove (17) having a T-shaped cross section, the ring block (16) is fixedly connected to one end of the support shaft (7), the ring groove (17) is formed in the wall of the liquid inlet (2) at a position corresponding to the ring block (16), and the ring block (16) is rotatably connected in the ring groove (17).
5. A flexible vane pump according to claim 2, characterized in that the transmission member comprises a chain (18) and two chain wheels (19), the two chain wheels (19) are respectively sleeved on the shaft walls of the support shaft (7) and the drive shaft (9), and the two chain wheels (19) are in transmission connection through the chain (18).
6. The flexible vane pump of claim 2, wherein the reciprocating driving member comprises a driving bevel gear (20), the driving bevel gear (20) is fixedly connected to one end of the driving shaft (9) close to the rotating shaft (13), a driven bevel gear (21) is fixedly connected to the shaft wall of the rotating shaft (13) symmetrically and fixedly connected with the driving bevel gear (20), the driving bevel gear (20) is provided with half-circle teeth on the annular side wall, the driven bevel gear (21) is provided with a full-circle teeth on the annular side wall, and the driving bevel gear (20) is meshed with one of the driven bevel gears (21).
7. A flexible impeller pump according to claim 1, characterized in that the flexible blades (4) are made of corrosion-resistant engineering plastic.
8. A flexible impeller pump according to claim 1, characterized in that the pump body (1) is of metal.
9. The flexible vane pump of claim 4, characterized in that the end of the annular block (16) away from the support shaft (7) is provided with a rolling groove (22), the rolling groove (22) is internally provided with a rolling ball (23), the rolling ball (23) is arranged through the notch of the rolling groove (22), and the rolling ball (23) is connected with the groove bottom of the annular groove (17) in a rolling way.
10. A flexible vane pump according to claim 9, characterized in that the ball (23) has a ball diameter larger than a groove diameter of the groove opening of the rolling groove (22).
CN202010842744.3A 2020-08-20 2020-08-20 Flexible impeller pump Pending CN111927766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010842744.3A CN111927766A (en) 2020-08-20 2020-08-20 Flexible impeller pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010842744.3A CN111927766A (en) 2020-08-20 2020-08-20 Flexible impeller pump

Publications (1)

Publication Number Publication Date
CN111927766A true CN111927766A (en) 2020-11-13

Family

ID=73304892

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010842744.3A Pending CN111927766A (en) 2020-08-20 2020-08-20 Flexible impeller pump

Country Status (1)

Country Link
CN (1) CN111927766A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113107902A (en) * 2021-04-24 2021-07-13 溧阳市东风柴油机配件厂有限公司 Lining ring type volute for flexible impeller water pump for boat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113107902A (en) * 2021-04-24 2021-07-13 溧阳市东风柴油机配件厂有限公司 Lining ring type volute for flexible impeller water pump for boat

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