CN117345619A - Stroke-adjustable sliding vane pump - Google Patents

Stroke-adjustable sliding vane pump Download PDF

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Publication number
CN117345619A
CN117345619A CN202311517543.6A CN202311517543A CN117345619A CN 117345619 A CN117345619 A CN 117345619A CN 202311517543 A CN202311517543 A CN 202311517543A CN 117345619 A CN117345619 A CN 117345619A
Authority
CN
China
Prior art keywords
sliding
pump
pump box
stroke
rotor seat
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
CN202311517543.6A
Other languages
Chinese (zh)
Inventor
赵军彪
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.)
Zhejiang Shenneng Technology Co ltd
Original Assignee
Zhejiang Shenneng Technology 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 Zhejiang Shenneng Technology Co ltd filed Critical Zhejiang Shenneng Technology Co ltd
Priority to CN202311517543.6A priority Critical patent/CN117345619A/en
Publication of CN117345619A publication Critical patent/CN117345619A/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
    • F04C2/3446—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 the inner and outer member being in contact along more than one line or surface
    • 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001—Pumps for particular liquids
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

The invention discloses a stroke-adjustable sliding vane pump, which comprises: pump box, driving motor, aligning subassembly and gleitbretter pumping component, one side fixedly connected with seal end cover of pump box, driving motor's fixed mounting is run through to the inboard of pump box in seal end cover's one end and output shaft, aligning subassembly is including being fixed in the telescopic cylinder of pump box upper and lower surface respectively and replying the top spring, telescopic cylinder and reply top spring and lie in same vertical line, and gleitbretter pumping component includes stator ring cover, rotor seat and a plurality of gleitbretter. According to the invention, by arranging the novel balanced ejection structure, the runner structure is arranged in the rotor seat, filling liquid in the rotor seat and the sliding cavities is utilized to balance and exchange flow in each sliding cavity in the sliding blade rotating motion, hydraulic pressure is utilized as ejection force of the sliding blade, the bonding effect of the sliding blade and the inner wall of the stator ring sleeve is maintained, and the pumping capacity of the pump body under the cold start, low speed and various viscous liquid conveying states is improved.

Description

Stroke-adjustable sliding vane pump
Technical Field
The invention relates to the technical field of sliding vane pumps, in particular to a stroke-adjustable sliding vane pump.
Background
The sliding vane pump is also called a vane pump, a scraping vane pump and a scraping vane pump. Most of the pump consists of a pump body, an inner rotor, a stator, a pump cover and a sliding sheet. The working principle is that the sliding sheets are clung to the eccentric stator by virtue of centrifugal force, a pumping cavity is formed in the cavity between the two sliding sheets, and the pumping cavity is divided into a filling area with an inlet, a discharging area with a discharging outlet and an intermediate area between the filling area and the discharging area. The intermediate region is arranged between the filling region and the discharge region, seen in the rotational direction. The pumping chamber rotates from the filling area, through the intermediate area to the discharge area within the control ring, and performs the suction and discharge movements. The sliding vane pump has the advantages of strong self-absorption capacity, high efficiency, good sealing performance and the like
The existing sliding vane pump is characterized in that the sliding vane is clung to the eccentric stator to form various pumping cavity structures by virtue of centrifugal force, the sliding vane is required to move along with the inner rotor at high speed in the use process to ensure the sealing independence of various pumping cavities, when viscous liquid such as lubricating oil and the like is rotated at low speed or conveyed, the adhesion degree between the sliding vane structure and the inner side of the stator is lower, so that the closing effect of various pumping cavities is poor, the pumping efficiency is reduced, and lubricating oil pumped by the lubricating oil vane pump is incompressible oil. In the cold start action, the sliding vane pump structure in the prior art has no proper function, so that the sliding vane can move in a fitting way with the inner wall of the stator in an initial state. The existing solution uses elastic elements to perform ejection work of the sliding vane, and forces the sliding vane to be attached to the inner wall of the stator by using elastic force. However, in the pump body work, the elastic structure gradually loses the elastic effect at high temperature, so that the pump body function is degraded, and the existing problem cannot be effectively solved.
In view of the above, the present invention provides an adjustable stroke sliding vane pump, which solves the existing problems and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows: an adjustable stroke sliding vane pump comprising: pump box, driving motor, aligning subassembly and gleitbretter pumping subassembly, one side fixedly connected with seal end cover of pump box, driving motor's fixed mounting is in seal end cover's one end and output shaft runs through to the inboard of pump box, aligning subassembly is including being fixed in the telescopic cylinder of pump box upper and lower surface respectively and replying the top spring, telescopic cylinder and reply top spring are located same vertical line, gleitbretter pumping subassembly includes stator ring cover, rotor seat and a plurality of gleitbretter, the both sides of stator ring cover respectively with the inboard of pump box and the inboard laminating that slides of seal end cover, the rotor seat is fixed cup joint in driving motor's output shaft surface and be located the inboard of stator ring cover, a plurality of evenly distributed's sliding cavities have been seted up on rotor seat's surface, and the inside of rotor seat is equipped with the liquid runner that is used for communicating each sliding cavity, the inboard of pump box be equipped with the notes pressure chamber that is linked together with the liquid runner, the surface of pump box is equipped with the pressure regulating screw cap, the one end sliding sleeve in the inboard of sliding cavity and the other end sliding spring and the inboard of stator ring cover sliding contact, the inboard of sliding spring is equipped with the inside of the side of sliding cavity, the compression state and the one end of the slip spring is connected with the fixed slip phase.
The present invention may be further configured in a preferred example to: the pump box is the toper structure, stator ring cover, rotor seat all are the toper structure and follow the one side reduction of keeping away from driving motor direction, the periphery of stator ring cover is equipped with equidistant with the pump box inboard, the surface of gleitbretter is right trapezoid structure.
The present invention may be further configured in a preferred example to: the surface of rotor seat has offered the guiding gutter that is used for being connected with annotating pressure chamber one end, the guiding gutter is annular structure and is linked together with the inside liquid flow path of rotor seat, one side of guiding gutter is laminated and is joined with annotating pressure chamber with the inner wall of seal end cover.
The present invention may be further configured in a preferred example to: filling media are filled in the injection cavity, the sliding cavity and the liquid flow channel, and the filling media are gas or liquid.
The present invention may be further configured in a preferred example to: the upper end and the lower end of the stator ring sleeve are connected with the ends of the telescopic cylinder and the restoring top spring, the circle center of the stator ring sleeve deviates from the circle center axis of the rotor seat, and the rotor seat and the output shaft of the driving motor are concentrically arranged.
The present invention may be further configured in a preferred example to: the telescopic cylinder is of an adjustable telescopic rod structure, the restoring top spring is of a spring rod structure, and the upper end and the lower end of the restoring top spring are fixedly connected with the surfaces of the pump box and the stator ring sleeve.
The present invention may be further configured in a preferred example to: the pump box is characterized in that a liquid outlet end pipe and a liquid inlet end pipe are arranged on two sides of the pump box, liquid outlet holes and liquid inlet holes which are symmetrically arranged are formed on two sides of the stator ring sleeve, and the liquid outlet holes and the liquid inlet holes are respectively communicated with the liquid outlet end pipe and the liquid inlet end pipe.
The present invention may be further configured in a preferred example to: the periphery of the pressure regulating screw cap is provided with threads, and the inner side of the injection cavity is provided with a thread groove matched with the pressure regulating screw cap.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, by arranging the novel balanced ejection structure, the runner structure is arranged in the rotor seat, filling liquid in the rotor seat and the sliding cavities is utilized to balance and exchange flow in each sliding cavity in the sliding blade rotating motion, hydraulic pressure is utilized as ejection force of the sliding blade, the bonding effect of the sliding blade and the inner wall of the stator ring sleeve is maintained, and the pumping capacity of the pump body under the cold start, low speed and various viscous liquid conveying states is improved.
2. According to the invention, the deviation effect of the stator ring sleeve is regulated by the telescopic cylinder and the restoring top spring, the stator ring sleeve can radially shift and is used for providing adjustable eccentricity relative to the static rotor shaft, and the control ring moves between a high pumping capacity position and a low pumping capacity position by changing the eccentricity of the control ring, so that the stroke of the pump is regulated, and the pump body lift quantity regulation is realized.
3. In the invention, in the eccentric distance adjustment of the stator ring sleeve, the corresponding filling medium quantity is injected through the pressure adjusting screw cover and the injection cavity, so that the normal pressure in the sliding cavity is kept, the ejection effect of the sliding sheet and the attaching effect of the inner wall of the stator ring sleeve are ensured, the attaching contact effect of the sliding sheet and the inner wall of the stator ring sleeve can be kept through the high-temperature thermal expansion effect of the filling medium in a high-temperature state, and the independent effect of each pumping cavity is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a pump housing and drive motor according to one embodiment of the present invention;
FIG. 4 is a schematic view showing a surface structure of a pump case according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a pump cassette according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a slide pumping assembly mounting structure according to one embodiment of the invention;
fig. 7 is a schematic view of a rotor base and a sliding vane according to an embodiment of the present invention.
Reference numerals:
100. a pump box; 110. sealing the end cover; 120. a liquid outlet end pipe; 130. a liquid inlet end pipe; 140. a pressure injection cavity; 141. a pressure regulating screw cap;
200. a driving motor; 300. a centering component; 310. a telescopic cylinder; 320. restoring the top spring;
400. a slide pumping assembly; 410. a stator ring sleeve; 420. a rotor seat; 430. a sliding sheet; 411. a liquid outlet hole; 412. a liquid inlet hole; 421. a sliding cavity; 422. and (5) pushing the spring.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
An adjustable stroke sliding vane pump according to some embodiments of the present invention is described below with reference to the accompanying drawings.
Referring to FIGS. 1-7, the present invention provides an adjustable stroke sliding vane pump, comprising: pump box 100, driving motor 200, aligning subassembly 300 and gleitbretter pumping subassembly 400, one side fixedly connected with seal end cover 110 of pump box 100, driving motor 200's fixed mounting is in the one end of seal end cover 110 and the output shaft runs through to the inboard of pump box 100, aligning subassembly 300 includes telescopic cylinder 310 and the reply top spring 320 that are fixed in pump box 100 upper and lower surface respectively, telescopic cylinder 310 and reply top spring 320 are located same vertical line, gleitbretter pumping subassembly 400 includes stator ring cover 410, rotor seat 420 and a plurality of gleitbretter 430, the both sides of stator ring cover 410 are respectively with the inboard of pump box 100 and the inboard laminating of seal end cover 110, rotor seat 420 is fixed to be cup jointed in driving motor 200's output shaft surface and is located the inboard of stator ring cover 410, a plurality of evenly distributed's slide chamber 421 have been seted up on the surface of rotor seat 420, and the inside of rotor seat 420 is equipped with the liquid flow path that is used for communicating each slide chamber, the inboard of pump box 100 is equipped with the notes pressure chamber 140 that is linked with liquid flow path, the surface of pump box 100 is equipped with pressure regulating screw cap 141, the one end of gleitbretter 430 cup joints the inboard 421 and the inboard and the other end of gleitbretter 421 is equipped with the compression state of the inside 421 and the inside of the inside 421 is connected with the top spring 422 and the inside of the inside 422 is connected with the compression state of the inside 421.
In this embodiment, the pump case 100 has a conical structure, the stator ring 410 and the rotor seat 420 have conical structures and are tapered along a side far away from the driving motor 200, the outer periphery of the stator ring 410 and the inner side of the pump case 100 are provided with equal-width intervals, and the surfaces of the sliding sheets 430 have a right trapezoid structure.
Specifically, through the adaptation of the conical stator ring 410, the rotor seat 420 and the conical pump box 100, the conical structure is adopted to extend along one side far away from the direction of the driving motor 200 to improve the size of the pumping cavity, and compared with the traditional column direction extension, the joint laminating effect of the sliding sheets 430 and the stator ring 410 is easier to ensure.
In this embodiment, the surface of the rotor seat 420 is provided with a diversion trench connected with one end of the injection cavity 140, the diversion trench is in an annular structure and is communicated with the liquid flow channel inside the rotor seat 420, and one side of the diversion trench is attached to the inner wall of the sealing end cover 110 and is connected with the injection cavity 140.
Further, the filling medium is filled in the injection cavity 140, the sliding cavity 421 and the liquid flow channel, and the filling medium is gas or liquid.
Specifically, by filling gas or liquid into the injection cavity 140, the sliding cavity 421 and the liquid channel to maintain the internal pressure of the gas, the internal pressure of each sliding cavity 421 is balanced, so that the other sliding blade 430 is pushed out by using air pressure or hydraulic conduction in the retraction motion of the single sliding blade 430, the pumping liquid cavity between the sliding blades 430 is kept independent, and hydraulic oil is preferably used as a filling medium.
In this embodiment, the upper and lower ends of the stator ring 410 are connected to the ends of the telescopic cylinder 310 and the return top spring 320, the center of the stator ring 410 is deviated from the center axis of the rotor seat 420, and the rotor seat 420 is arranged concentrically with the output shaft of the driving motor 200.
Further, the telescopic cylinder 310 is an adjustable telescopic rod structure, the return top spring 320 is a spring rod structure, and the upper end and the lower end of the return top spring are fixedly connected with the surfaces of the pump box 100 and the stator ring 410.
Specifically, the eccentricity of the stator ring 410 and the output shaft of the driving motor 200 is controlled by the telescopic cylinder 310, and the stator ring 410 moves between a high pumping amount position and a low pumping amount position, so that the movement stroke of the sliding vane 430 is adjusted, and the lift amount is changed.
In this embodiment, the two sides of the pump box 100 are provided with the liquid outlet end pipe 120 and the liquid inlet end pipe 130, the two sides of the stator ring 410 are provided with the liquid outlet hole 411 and the liquid inlet hole 412 which are symmetrically arranged, and the liquid outlet hole 411 and the liquid inlet hole 412 are respectively communicated with the liquid outlet end pipe 120 and the liquid inlet end pipe 130.
In this embodiment, the outer circumference of the pressure regulating screw cap 141 is provided with a screw thread, and the inner side of the injection cavity 140 is provided with a screw thread groove adapted to the pressure regulating screw cap 141.
Specifically, the pressure regulating screw cap 141 is screwed in and out of the inner side of the injection cavity 140, so as to increase or decrease the internal hydraulic pressure of the injection cavity 140.
The working principle and the using flow of the invention are as follows:
in the operation of the stroke-adjustable sliding vane pump, the driving motor 200 drives the rotor seat 420 to rotate eccentrically in the stator ring sleeve 410, the driving motor 200 and the center axis of the pump box 100 are positioned on the same straight line, pumping cavities are formed between each two adjacent sliding vanes 430, the sliding vanes are tightly attached to the eccentric stator by virtue of the hydraulic pushing in the sliding cavity 421, the capacity between two sliding vanes at the inlet is increased, liquid suction is carried out, the capacity between two sliding vanes at the outlet is reduced, and liquid discharge is carried out;
each sliding vane 430 is attached to the inner wall of the stator ring 410 to perform a retreating motion, so that liquid flow in the sliding cavity 421 is pushed to flow into the other sliding cavity 421, the sliding vanes 430 are ejected out by the hydraulic pressure in the sliding cavity 421, the hydraulic pressure in each sliding cavity 421 in the rotor seat 420 is balanced, and the sliding vanes 430 are ejected out and retreated alternately, so that the pumping capacity cavity is increased or reduced;
when the eccentricity of the stator ring 410 is adjusted, the eccentricity of the stator ring 410 and the output shaft of the driving motor 200 is controlled by the telescopic cylinder 310, the stator ring 410 moves between a high pumping capacity position and a low pumping capacity position, so that the movement stroke of the sliding vane 430 is adjusted, the lift capacity is changed, the inside of each sliding cavity 421 is kept in hydraulic balance, the internal filling medium can be filled through the pressure adjusting screw cap 141 to adjust the initial hydraulic value of the sliding cavity 421, the bonding pressure between the sliding vane 430 and the stator ring 410 is increased or reduced in a mode of adjusting the hydraulic value so as to adapt to the thermal expansion effect of the filling medium in high-temperature operation, and the bonding pressure between the sliding vane 430 and the stator ring 410 can be reduced in a mode of reducing the filling medium, so that the sliding friction is reduced, and the service life of the pump body is prolonged.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (8)

1. An adjustable stroke sliding vane pump, comprising: pump box (100), driving motor (200), aligning subassembly (300) and gleitbretter pumping component (400), one side fixedly connected with seal end cover (110) of pump box (100), the fixed mounting of driving motor (200) is in the inboard of seal end cover (110) and output shaft runs through to pump box (100), aligning subassembly (300) are including telescopic cylinder (310) and the top spring (320) that reply that are fixed in pump box (100) upper and lower surface respectively, telescopic cylinder (310) and top spring (320) that reply are located same vertical line, gleitbretter pumping component (400) include stator collar (410), rotor seat (420) and a plurality of gleitbretter (430), the both sides of stator collar (410) respectively with the inboard of pump box (100) and the inboard slip laminating of seal end cover (110), rotor seat (420) are fixed to cup joint in the output shaft surface of driving motor (200) and are located the inboard of stator collar (410), a plurality of evenly distributed's chamber (421) have been seted up on the surface of rotor seat (420), and rotor seat (421) are equipped with inside and are equipped with fluid flow channel (141) that are equipped with pump box (100) and are equipped with fluid flow channel (141) and are linked together, one end of the sliding sheet (430) is in sliding sleeve connection with the inner side of the sliding cavity (421) and the other end of the sliding sheet is in sliding butt joint with the inner wall of the stator annular sleeve (410), a top spring (422) is arranged on the inner side of the sliding cavity (421), and the top spring (422) is in a compression state, and two ends of the top spring are fixedly connected with the inner side of the sliding cavity (421) and one end of the sliding sheet (430) respectively.
2. The stroke-adjustable sliding vane pump of claim 1, wherein the pump box (100) is in a conical structure, the stator ring sleeve (410) and the rotor seat (420) are both in conical structures and are reduced along one side far away from the direction of the driving motor (200), the periphery of the stator ring sleeve (410) and the inner side of the pump box (100) are provided with equal-width intervals, and the surface of the sliding vane (430) is in a right trapezoid structure.
3. The stroke-adjustable sliding vane pump of claim 1, wherein the surface of the rotor seat (420) is provided with a diversion trench connected with one end of the injection cavity (140), the diversion trench is in a ring structure and is communicated with a liquid flow channel in the rotor seat (420), and one side of the diversion trench is attached to the inner wall of the sealing end cover (110) and is connected with the injection cavity (140).
4. An adjustable stroke sliding vane pump as claimed in claim 1 wherein the interior of the injection chamber (140), sliding chamber (421) and fluid flow path is filled with a filling medium which is either a gas or a liquid.
5. The stroke-adjustable sliding vane pump as claimed in claim 1, wherein the upper and lower ends of the stator ring (410) are connected to the ends of the telescopic cylinder (310) and the return top spring (320), the center of the stator ring (410) is deviated from the center axis of the rotor base (420), and the rotor base (420) is concentrically arranged with the output shaft of the driving motor (200).
6. The adjustable stroke sliding vane pump of claim 1, wherein the telescopic cylinder (310) is of an adjustable telescopic rod structure, the return top spring (320) is of a spring rod structure, and the upper end and the lower end of the return top spring are fixedly connected with the surfaces of the pump box (100) and the stator ring sleeve (410).
7. The stroke-adjustable sliding vane pump of claim 1, wherein the two sides of the pump box (100) are provided with a liquid outlet end pipe (120) and a liquid inlet end pipe (130), the two sides of the stator ring sleeve (410) are provided with symmetrically arranged liquid outlet holes (411) and liquid inlet holes (412), and the liquid outlet holes (411) and the liquid inlet holes (412) are respectively communicated with the liquid outlet end pipe (120) and the liquid inlet end pipe (130).
8. The stroke-adjustable sliding vane pump of claim 1, wherein the outer circumference of the pressure-adjusting screw cap (141) is provided with threads, and the inner side of the injection cavity (140) is provided with a thread groove matched with the pressure-adjusting screw cap (141).
CN202311517543.6A 2023-11-15 2023-11-15 Stroke-adjustable sliding vane pump Pending CN117345619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311517543.6A CN117345619A (en) 2023-11-15 2023-11-15 Stroke-adjustable sliding vane pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311517543.6A CN117345619A (en) 2023-11-15 2023-11-15 Stroke-adjustable sliding vane pump

Publications (1)

Publication Number Publication Date
CN117345619A true CN117345619A (en) 2024-01-05

Family

ID=89369432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311517543.6A Pending CN117345619A (en) 2023-11-15 2023-11-15 Stroke-adjustable sliding vane pump

Country Status (1)

Country Link
CN (1) CN117345619A (en)

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