CN114183341A

CN114183341A - Vane pump with concave type vanes

Info

Publication number: CN114183341A
Application number: CN202110752239.4A
Authority: CN
Inventors: 姚公和; 杨后松; 赵长江
Original assignee: Jiangsu Hurun Pump Technology Co ltd
Current assignee: Jiangsu Hurun Pump Technology Co ltd
Priority date: 2021-07-03
Filing date: 2021-07-03
Publication date: 2022-03-15

Abstract

The invention belongs to the technical field of vane pumps and discloses a vane pump with concave vanes. This vane pump with indent formula blade, including the stator, be provided with the rotor through seting up the cavity in the stator, and central point puts and is provided with the shaft hole on the rotor, and through shaft hole axle center and the interior axle center laminating of stator on the rotor, the locating hole has been seted up on the stator, the outside of stator is provided with the end cover. This vane pump with indent formula blade, hydraulic oil passes through the pan feeding pipe and gets into to storing the intracavity fast, and pile up on the discharge valve, and with stripper cooperation pressure spring and the first interior slider rebound of both sides cavity, after collecting a certain amount, open the discharge valve, stripper cooperation pressure spring extrudees fast downwards, carry pressure oil downwards and open discharge valve one, pressure oil upwards piles up through the discharging pipe, outwards pop out the blade, avoid under high-pressure work, the unable condition that pops out of blade appears, and work efficiency is improved.

Description

Vane pump with concave type vanes

Technical Field

The invention relates to the technical field of vane pumps, in particular to a vane pump with concave vanes.

Background

The vane oil pump is a combined part formed by fastening a stator, a rotor, vanes and a valve plate by screws, is convenient to assemble and maintain and has an axial clearance compensation structure. The hydraulic energy conversion device is an energy conversion device which converts mechanical energy output by a motor into hydraulic energy and is used as the hydraulic energy for providing certain flow pressure in a hydraulic system.

When the vane pump operates, hydraulic oil is pressed out of the vane pump through the vanes, but when the vane pump operates at high power, the vanes can cause the spring to rebound slowly due to reasons such as insufficient pressure, so that the vanes are outwards popped out untimely or cannot be popped out, impurities can be generated in the hydraulic pressure, the hydraulic pressure is adsorbed on the vanes, the vanes are popped out, the operation efficiency in the vane pump is too slow, and therefore the vane pump with the inwards concave vanes is urgently needed.

Disclosure of Invention

The invention aims to provide a vane pump with concave vanes, which can avoid the condition that the vanes cannot be ejected too slowly or cannot be ejected and can well adsorb impurities in hydraulic oil.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a vane pump with indent formula blade, includes the stator, be provided with the rotor through seting up the cavity in the stator, and central point puts and is provided with the shaft hole on the rotor, and through shaft hole axle center and the interior axle center laminating of stator on the rotor, the locating hole has been seted up on the stator, the outside of stator is provided with the end cover, and the end cover passes through the locating lever and pegs graft with the locating hole, be provided with blade mechanism on the rotor.

Preferably, including a plurality of rectangular channel in the blade mechanism, and a plurality of rectangular channel sets up and arranges on the rotor and equidistance, be provided with the blade in the rectangular channel, the inner diapire fixed mounting of rectangular channel has the one end of spring, and the other end and the blade fixed mounting of spring, just be located a plurality of on the rotor the left and right sides of rectangular channel all is provided with the loading system.

Preferably, including storing the chamber in the loading system, store the chamber and set up in the rotor and be located the rectangular channel below, the outside of rotor just corresponds and stores the chamber position and all fixes the intercommunication and have the pan feeding pipe, the left and right sides inner wall fixed mounting who stores one side in chamber has the discharge valve, the fixed intercommunication in top of storing the chamber has the one end of discharging pipe, and the other end and the rectangular channel intercommunication of discharging pipe.

Preferably, the left and right sides that just are located the storage chamber that contains the discharge valve in the rotor has all been seted up cavity one, and two equal sliding connection has the slider in the cavity one, two the equal fixed mounting of the interior roof of cavity one has the one end of spring one, and the other end and the slider fixed mounting of spring one, two the equal fixed mounting of the opposite flank of slider has the one end of connecting rod, and the other end of connecting rod inwards extends to the storage chamber and fixed mounting has the stripper plate, the last fixed surface of stripper plate installs pressure spring's one end, and pressure spring's the other end and storage intracavity wall fixed mounting.

Preferably, the inner walls of the upper side and the lower side of the storage cavity bottom end and close to the discharge valve are fixedly provided with a first discharge valve, the upper side and the lower side of the storage cavity bottom end and far away from the discharge valve are fixedly provided with one-way valves, the storage cavity is designed in a U shape, the blades are designed in an inwards concave mode, and the blades are provided with adsorption mechanisms.

Preferably, the adsorption mechanism comprises two grooves which are respectively arranged at the left side and the right side of the blade, and a second cavity is arranged at the center in the blade.

Preferably, the left and right sides recess intercommunication of cavity two, the equal fixed mounting in both sides of cavity two has the filter, the equal fixed mounting in the outside that the left and right sides of blade just is located the recess has the cutting filter plate.

Preferably, the number of the blade mechanisms is four, and the four blade mechanisms are respectively arranged at the upper end, the lower end, the left end, the right end and the four ends of the rotor.

By adopting the technical scheme, the invention has the beneficial effects that:

1. this vane pump with indent formula blade, after operating personnel with the end cover joint in the locating hole, start vane pump, the rotor is rotatory at the stator, hydraulic oil passes through the pan feeding pipe and gets into fast to storing the intracavity, and pile up on the discharge valve, and with stripper cooperation pressure spring and the first interior slider rebound of both sides cavity, save a certain amount of back to the accumulation, open the discharge valve, stripper cooperation pressure spring extrudees fast downwards, carry down pressure oil and open discharge valve one, pressure oil upwards piles up through the discharging pipe, outwards pop out the blade, avoid under high-pressure work, the unable condition of popping out of blade appears, and the work efficiency is improved.

2. This vane pump with indent formula blade, blade are at the during operation, and pressure oil is carried in to the blade through cutting the filter plate, and pressure oil flows out after passing through filter entering cavity two, and impurity is preserved in the pressure oil in the cavity two, thereby avoids impurity to glue the use that influences the blade on the blade surface, has improved production efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the full-section structure of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of a blade configuration according to the present invention;

fig. 5 is a schematic view of the end cap structure of the present invention.

In the figure: 1 stator, 2 rotors, 3 shaft holes, 4 positioning holes, 5 end covers, 6 blade mechanisms, 61 rectangular grooves, 62 blades, 63 springs, 7 pressurizing mechanisms, 71 storage cavities, 72 feeding pipes, 73 discharge valves, 74 discharge pipes, 75 cavity I, 76 sliding blocks, 77 spring I, 78 connecting rods, 79 extrusion plates, 710 pressure springs, 711 discharge valves I, 712 check valves, 8 adsorption mechanisms, 81 grooves, 82 cavity II, 83 filter plates and 84 cutting filter plates.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a vane pump with concave vanes comprises a stator 1, a rotor 2 is arranged in the stator 1 through a cavity, a shaft hole 3 is arranged at the central position on the rotor 2, the rotor 2 is attached to the inner shaft center of the stator 1 through the shaft hole 3 shaft center, a positioning hole 4 is arranged on the stator 1, an end cover 5 is arranged on the outer side of the stator 1, the end cover 5 is inserted into the positioning hole 4 through a positioning rod, a vane mechanism 6 is arranged on the rotor 2, a plurality of rectangular grooves 61 are arranged in the vane mechanism 6, the rectangular grooves 61 are arranged on the rotor 2 at equal intervals, vanes 62 are arranged in the rectangular grooves 61, one end of a spring 63 is fixedly arranged on the inner bottom wall of each rectangular groove 61, the other end of the spring 63 is fixedly arranged with the vanes 62, pressurizing mechanisms 7 are arranged on the rotor 2 and on the left side and the right side of each rectangular groove 61, each pressurizing mechanism 7 comprises a storage cavity 71, the storage cavity 71 is arranged in the rotor 2 and is positioned below the rectangular groove 61, the outer side of the rotor 2 and the position corresponding to the storage cavity 71 are fixedly communicated with a feeding pipe 72, the inner walls of the left side and the right side of one side of the storage cavity 71 are fixedly provided with a discharge valve 73, the top end of the storage cavity 71 is fixedly communicated with one end of a discharge pipe 74, the other end of the discharge pipe 74 is communicated with the rectangular groove 61, the left side and the right side of the storage cavity 71 containing the discharge valve 73 in the rotor 2 are respectively provided with a first cavity 75, the two first cavities 75 are respectively connected with a slide block 76 in a sliding manner, the inner top walls of the two first cavities 75 are respectively fixedly provided with one end of a first spring 77, the other end of the first spring 77 is fixedly arranged with the slide block 76, the opposite side surfaces of the two slide blocks 76 are respectively fixedly provided with one end of a connecting rod 78, the other end of the connecting rod 78 extends inwards into the storage cavity 71 and is fixedly provided with an extrusion plate 79, the upper surface of the extrusion plate 79 is fixedly provided with one end of a pressure spring 710, the other end of the pressure spring 710 is fixedly installed with the inner wall of the storage chamber 71, the pressure oil can be extruded inwards more quickly through the matching of the extrusion plate 79 and the pressure spring 710, the blade 62 is ejected outwards, the inner bottom end of the storage chamber 71 and the inner walls of the upper side and the lower side close to the discharge valve 73 are fixedly installed with a discharge valve 711, the upper side and the lower side of the bottom end in the storage chamber 71 and far away from the discharge valve 73 are fixedly installed with a one-way valve 712, the storage chamber 71 is designed in a U shape, the blade 62 is designed in a concave shape, the blade 62 is provided with an adsorption mechanism 8, the adsorption mechanism 8 comprises two grooves 81, the two grooves 81 are respectively arranged at the left side and the right side of the blade 62, the central position in the blade 62 is provided with a cavity two 82, the grooves 81 at the left side and the right side of the cavity two 82 are communicated, the filter plates 83 are fixedly installed at the left side and the right side of the cavity two 82, and the outer side of the blade 62 and the outer side of the groove 81 are fixedly installed with a filter plate 84, through setting up cutting filter plate 84, can be effectual will hydraulic oil glue thick portion and cut apart, four blade mechanism 6 quantity is set up four end positions about rotor 2 respectively.

When the vane pump with the inward concave vanes works, after an operator clamps the end cover 5 in the positioning hole 4, the vane pump is started, the rotor 2 rotates in the stator 1, hydraulic oil quickly enters the storage cavity 71 through the feeding pipe 72 and is stacked on the discharging valve 73, the extrusion plate 79 is matched with the pressure spring 710 and the first 75 inner slide blocks 76 of the two side cavities to move upwards, after a certain amount of accumulation is achieved, the discharging valve 73 is opened, the extrusion plate is matched with the pressure spring 710 to quickly extrude downwards, pressure oil is conveyed downwards and is opened to the first 711 discharging valve, the pressure oil is upwards stacked through the discharging pipe 74, the vanes 62 are outwards ejected, when the vanes 62 work, the pressure oil is conveyed into the vanes 62 through the cutting filter plates 84, the pressure oil flows out after entering the second 82 cavities through the filter plates 83, and impurities in the pressure oil are reserved in the second 82 cavities.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vane pump with concave vanes, comprising a stator (1), characterized in that: the stator is characterized in that a rotor (2) is arranged in the stator (1) through the opening of the cavity, a shaft hole (3) is formed in the rotor (2) in the center position, the rotor (2) is attached to the inner shaft center of the stator (1) through the shaft hole (3) in the shaft center, a positioning hole (4) is formed in the stator (1), an end cover (5) is arranged on the outer side of the stator (1), the end cover (5) is connected with the positioning hole (4) in an inserting mode through a positioning rod, and a blade mechanism (6) is arranged on the rotor (2).

2. A vane pump having concave vanes according to claim 1, wherein: including a plurality of rectangular channel (61) in blade mechanism (6), and a plurality of rectangular channel (61) set up on rotor (2) and the equidistance is arranged, be provided with blade (62) in rectangular channel (61), the interior diapire fixed mounting of rectangular channel (61) has the one end of spring (63), and the other end and blade (62) fixed mounting of spring (63), just be located a plurality of on rotor (2) the left and right sides of rectangular channel (61) all is provided with pressurization mechanism (7).

3. A vane pump having concave vanes as set forth in claim 2 wherein: including storing chamber (71) in the presser mechanism (7), store chamber (71) and set up in rotor (2) and be located rectangular channel (61) below, the outside of rotor (2) and correspond and store chamber (71) position and all fix the intercommunication and have pan feeding pipe (72), the left and right sides inner wall fixed mounting of one side of storing chamber (71) has discharge valve (73), the fixed intercommunication in top of storing chamber (71) has the one end of discharging pipe (74), and the other end and the rectangular channel (61) intercommunication of discharging pipe (74).

4. A vane pump having concave vanes according to claim 3 wherein: the utility model discloses a rotor, including rotor (2) and connecting rod, the equal sliding connection has slider (76), two cavity (75) have all been seted up to the left and right sides that just is located storage chamber (71) that contains discharge valve (73), and two equal sliding connection has slider (76) in cavity (75), two the equal fixed mounting of the interior roof of cavity (75) has the one end of spring (77), and the other end and slider (76) fixed mounting of spring (77), two the equal fixed mounting in opposite flank of slider (76) has the one end of connecting rod (78), and the other end of connecting rod (78) inwards extends to and fixed mounting has stripper plate (79) in storage chamber (71), the last fixed surface of stripper plate (79) installs the one end of compression spring (710), and the other end of compression spring (710) and storage chamber (71) inner wall fixed mounting.

5. A vane pump having concave vanes according to claim 4 wherein: store the interior bottom of chamber (71) and be close to the upper and lower both sides inner wall fixed mounting of discharge valve (73) have discharge valve (711), store the interior bottom of chamber (71) and keep away from the upper and lower both sides fixed mounting of discharge valve (73) have check valve (712), store chamber (71) and design for the U font, blade (62) are the design of indent formula, be provided with adsorption apparatus structure (8) on blade (62).

6. A vane pump having concave vanes according to claim 5 wherein: include two in the adsorption equipment (8) recess (81), two recess (81) are seted up respectively in the left and right sides of blade (62), central point puts and has seted up cavity two (82) in blade (62).

7. A vane pump having concave vanes according to claim 6 wherein: the left and right sides recess (81) of cavity two (82) communicate, the equal fixed mounting in the left and right sides of cavity two (82) has filter (83), the equal fixed mounting in the outside that the left and right sides of blade (62) just is located recess (81) has cutting filter plate (84).

8. A vane pump having concave vanes according to claim 1, wherein: the number of the blade mechanisms (6) is four, and the four blade mechanisms are respectively arranged at the upper, lower, left, right and four ends of the rotor (2).