阅读说明：本技术 一种双作用挠性叶轮泵 (Double-acting flexible impeller pump ) 是由 孙永国 何仁全 于 2021-03-11 设计创作，主要内容包括：本发明涉及转子泵技术领域,公开了一种双作用挠性叶轮泵,包括泵体、挠性叶轮、泵体连通有进液口和出液口、泵内安装有定子、定子内安装有挠性叶轮,定子内曲线呈对称设置,定子两侧有配油盘连接,中间穿过一根主轴,配油盘与主轴通过密封轴承连接。本发明采用挠性转子、高次方曲线定子内腔。挠性转子泵本身具有运送固体颗粒和气体的性能,使容积式挠型转子泵有良好的性能。本发明能够满足双作用挠性叶轮泵长时间高速运行及油液含砂、含气工况的工作要求,且效率高,扬程大。(The invention relates to the technical field of rotor pumps, and discloses a double-acting flexible impeller pump which comprises a pump body and a flexible impeller, wherein the pump body is communicated with a liquid inlet and a liquid outlet, a stator is installed in the pump, the flexible impeller is installed in the stator, the inner curve of the stator is symmetrically arranged, oil distribution discs are connected on two sides of the stator, a main shaft penetrates through the middle of the stator, and the oil distribution discs are connected with the main shaft through sealing bearings. The invention adopts a flexible rotor and a high-order square curve stator inner cavity. The flexible rotor pump has the performance of conveying solid particles and gas, so that the positive displacement flexible rotor pump has good performance. The invention can meet the working requirements of long-time high-speed operation and working conditions of sand and gas in oil of the double-acting flexible impeller pump, and has high efficiency and large lift.)

1. A double-acting flexible impeller pump with a flexible impeller of a novel rotor pump comprises: the flexible impeller (1), the pump body combination (2, 11), the stator (3), the oil distribution disc (4), the main shaft (6), the positioning hole and the threaded hole (9), and the pump body (2) is communicated with the liquid inlet (5) and the liquid outlet (8).

2. A double acting flexible vane pump as defined in claim 1 wherein: the stator (3) is composed of eight sections of curves, including two sections of large arc curves, two ends of small arc curves and four sections of high-order square transition curves.

3. A double acting flexible vane pump as defined in claim 1 wherein: the conversion of the technical proposal is to adopt materials such as chloroprene rubber, nitrile rubber, polyurethane rubber, acrylate rubber and the like which have elasticity and wear resistance and do not generate chemical reaction.

4. A double acting flexible vane pump as defined in claim 1 wherein: a gasket is arranged between the pump bodies (2) and (11) to prevent liquid leakage and is connected to the motor through four bolts.

5. A double acting flexible vane pump as defined in claim 1 wherein: the middle rotor and the two pump bodies are respectively provided with two positioning holes (7), and the stator is fixed in the pump body through two positioning pins (12).

6. A double acting flexible vane pump according to claim 2, wherein: the rotor is fixed between the stators through a main shaft and two oil distribution discs (4), and then is fixed between the pump bodies through a sealing bearing and a fixed sleeve.

7. A double acting flexible vane pump as defined in claim 1 wherein: the main shaft is connected with an external motor through a coupling.

8. A double acting flexible vane pump as defined in claim 1 wherein: the two oil distribution discs are contacted with the stator of the double-acting flexible impeller pump through a sealing coil.

9. A double acting flexible vane pump as defined in claim 1 wherein: the pump bodies (2) and (11) are made of metal.

Technical Field

The invention relates to the technical field of double-acting rotor pumps, in particular to a double-acting flexible impeller pump.

Background

At present, the flexible impeller pump has obvious advantages in oil conveying, has the characteristics of corrosion resistance, wear resistance and high efficiency, and has the advantages of simplicity, convenience and quickness in maintenance, disassembly and assembly. But the output flow of the flexible impeller pump is not high, the radial pressure is high and the leakage is serious.

Disclosure of Invention

The invention aims to solve the problems of low output flow, radial pressure and serious leakage of the flexible vane pump in the prior art

In order to realize the aim of the above complaint, the invention adopts the following technical scheme:

a double-acting flexible impeller pump comprises a pump body, wherein the pump body is connected with a liquid inlet and a liquid outlet, a stator and a flexible impeller are installed in the pump body, and the liquid outlet and the liquid inlet are arranged at ninety degrees on the pump body. The oil distribution discs are arranged on two sides of the stator in the pump,

as a preferable scheme: the pump body on have four screw holes, and the pump body passes through the bolt and is connected with the motor.

As a preferable scheme: the pump body is separated from the stator.

As a preferable scheme: the stator is contacted with the two oil distribution discs through coils.

As a preferable scheme: the flexible impeller is formed by combining flexible blades and a metal material into a whole.

As a preferable scheme: the blades of the flexible impeller are made of corrosion-resistant and wear-resistant engineering rubber materials.

As a preferable scheme: the pump body is made of stainless steel materials.

As a preferable scheme: the stator is made of wear-resistant and corrosion-resistant metal materials.

As a preferable scheme: the oil distribution disc adopts a novel design scheme and is made of a nitrided steel material.

As a preferable scheme: the stator is fixed on the pump body through a positioning hole on the stator, a positioning hole on the pump body and a positioning pin.

As a preferable scheme: the shaft sleeve is made of brass/phenolic cloth plate and the like.

As a preferable scheme: the stator curves are symmetrically arranged.

Compared with the prior art, the invention provides a double-acting flexible impeller pump, which has the following beneficial effects:

1. according to the double-acting flexible impeller pump, the stator curve and the flexible blades are arranged, when the flexible blades rotate out of the transition curve, the blades which are extruded and bent are unfolded, and vacuum is formed inside the flexible blades. Liquid is pressed into a cavity formed by the rotor and the stator from the liquid inlet by the atmospheric pressure, when the flexible blade is rotated to a transition curve, the blade is extruded to stably discharge the liquid in the cavity out of the liquid outlet, the flexible blade continues to rotate, the liquid is conveyed from the liquid inlet to the liquid outlet, the blade rotates once, and the liquid is conveyed from the liquid inlet to the liquid outlet twice, so that the output flow of the flexible impeller pump is improved.

2. The double-acting flexible impeller pump effectively prevents liquid in the pump from leaking and polluting oil liquid by the fact that a gasket, a sealing ring, a sealing bearing, a rotor, a stator and an oil distribution disc are all contained in a completely closed pump body.

3. According to the double-acting flexible impeller pump, due to the symmetry of the curve of the stator, when the rotor rotates in the stator, the rotor is acted by the symmetric force, and radial unbalanced force cannot be generated on the main shaft. The plastic deformation of the main shaft and the bearing in the using process is avoided, and the long-term use of the flexible impeller pump is ensured.

The invention improves the output flow of the flexible pump, and the flexible vane pump completely installs the rotor, the stator, the oil distribution disc, and other parts in the pump body to prevent liquid leakage, and solves the problem of radial unbalance force of the flexible vane pump by adopting the double-acting flexible vane pump.

Drawings

FIG. 1 is a schematic view of a double acting flexible vane pump according to the present invention;

FIG. 2 is a cross-sectional view of a double acting flexible vane pump in accordance with the present invention;

FIG. 3 is a schematic view of an upper pump body of a double acting flexible vane pump in accordance with the present invention;

FIG. 4 is a schematic view of an upper oil distribution pan of a double acting flexible vane pump in accordance with the present invention;

FIG. 5 is a schematic view of a stator of a double acting flexible impeller pump in accordance with the present invention;

FIG. 6 is a schematic view of a lower oil distribution pan of a double acting flexible vane pump in accordance with the present invention;

FIG. 7 is a schematic view of the lower body of a double acting flexible vane pump according to the present invention;

FIG. 8 is a schematic view of a locating pin for a double acting flexible impeller pump in accordance with the present invention;

fig. 9 is a schematic view of a flexible impeller of a double-acting flexible impeller pump according to the present invention.

Detailed Description

The following describes embodiments of the present invention in detail, and clearly and completely describes technical solutions in the embodiments of the present invention.

Referring to fig. 1 to 8, the present invention provides a double-acting flexible vane pump, comprising: flexible impeller (1), go up the pump body (2), the lower pump body (11), stator (3), on join in marriage food tray (4), join in marriage food tray (13) down, locating pin (12), main shaft (6), the pump body of telling is connected with inlet (8) and liquid outlet (5), stator both sides are installed in the pump and are joined in marriage food tray (4) and join in marriage food tray (13) down, install flexible blade (1) in the stator, through setting up stator (3) curve and flexible blade (1), when flexible blade (1) is rolled out stator (3) transition curve, by the expansion of extrusion crooked blade (1), inside formation vacuum. Atmospheric pressure presses liquid into the cavity formed by the flexible blade (1) and the stator (3) from the liquid inlet, when the flexible blade (1) turns to a transition curve, the blade (1) is extruded to stably discharge liquid in the cavity, the flexible blade (26) continues to rotate, the liquid is conveyed from the liquid inlet (8) to the liquid outlet (5), the blade (26) rotates once, and the liquid is conveyed from the liquid inlet (8) to two inlets of an upper oil distribution disc (4) through the cavity to two outlets of a lower oil distribution disc (13) to the liquid outlet (5).

The positioning pin (12) is fixed between the upper pump body (2) and the lower pump body (11) through a positioning hole (7) on the stator (3).

The oil distribution discs (4) and (13) adopt a novel design scheme and adopt a nitrided steel material.

The stator (3) is made of a wear-resistant and corrosion-resistant metal material.

The pump bodies (2) and (11) are made of stainless steel materials.

The stator (3) is contacted with the two oil distribution discs (4) and (13) through coils.

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 scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equally replaced or changed within the technical scope of the present invention.