SU857543A1

SU857543A1 - Positive-displacement pump

Info

Publication number: SU857543A1
Application number: SU772452221A
Authority: SU
Inventors: Анатолий Иванович Добролюбов
Original assignee: Институт Технической Кибернетики Ан Бсср
Priority date: 1977-02-14
Filing date: 1977-02-14
Publication date: 1981-08-23

Description

(54) ОБЪЕМНЫЙ НАСОС(54) BULK PUMP

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Изобретение относитс к насосостроению , касаетс объемных насосов и может найти применение в различных отрасл х народного хоз йства дл перемещени текучих сред.The invention relates to pump engineering, relates to positive displacement pumps and can be used in various sectors of the national economy for the movement of fluids.

Известен объемный насос, содержащий, по меньщей мере, две св занные по торцам и установленные параллельно гибкие рабочие камеры 1.A positive displacement pump is known, comprising at least two end-connected and parallel-mounted flexible working chambers 1.

Недостатком известного насоса вл етс снижение надежности при увеличении осевого размера рабочих камер. При этом в процессе совместного изгиба достаточно длинных рабочих камер возможна потер их продольной устойчивости и, как следствие, нарущение рабоче1-о процесса и повышенный износ стенок камер. Повышение же осевой длины камер обеспечивает повышение их рабочего объема.A disadvantage of the known pump is a decrease in reliability with an increase in the axial size of the working chambers. In this case, in the process of joint bending of sufficiently long working chambers, the loss of their longitudinal stability is possible and, as a consequence, the impairment of the working process and increased wear of the chamber walls. Increasing the axial length of the chambers provides an increase in their working volume.

Цель изобретени - повышение надежности насоса.The purpose of the invention is to increase the reliability of the pump.

Поставленна цель достигаетс тем, что гибкие рабочие камеры дополнительно св заны между собой в осевом и поперечном направлени х, по меньшей мере, в одном сечении , расположенном между торцами гибких камер.This goal is achieved by the fact that the flexible working chambers are additionally interconnected in the axial and transverse directions in at least one cross section located between the ends of the flexible chambers.

На иг. 1 представлена конструктивна схема насоса; на фиг. 2 - насос в одном из рабочих положений; на фиг. 3 - вариант насоса с двум р дом расположенными камерами; на фиг. 4 - то же, с трем р дом расположенными камерами; на фиг. 5 - то же, с четырьм р дом расположенными камерами; на фиг. 6 - то же,с восемью камерами, расположенными в два р да вплотную друг к другу; на фиг. 7 - то же, с четырьм разнесенными камерами; на фиг. 8 - то же, с шестью камерами, расположенными по ок10 ружности вокруг центрального гибкого стержн ; на фиг. 9 - то же, с четырьм рабочими камерами, расположенными попарно по разные сторонытибкой пластины вплотную к ней; на фиг. 10 - то же, с четырьм рабочими камерами, попарно расположен15 ными с двух сторон от гибкой пластины на рассто нии от нее.On ig. 1 shows a constructive scheme of the pump; in fig. 2 - pump in one of the working positions; in fig. 3 shows a pump version with two adjacent chambers; in fig. 4 is the same, with three rows of cameras located; in fig. 5 - the same, with four rows of cameras located; in fig. 6 - the same, with eight cameras located in two rows close to each other; in fig. 7 - the same, with four separated cameras; in fig. 8 - the same, with six chambers located around 10 arms around the central flexible rod; in fig. 9 - the same, with four working chambers arranged in pairs on opposite sides of a rigid plate close to it; in fig. 10 - the same, with four working chambers arranged in pairs 15 on both sides of the flexible plate at a distance from it.

Claims

The pump contains at least two flexible working chambers 1 installed in parallel, united in one block, connected at the ends by covers 2 and 3 with return suction 4 and pressure 5 valves placed in them. The caps 2 and 3 are equipped, respectively, with a suction 6 and discharge 7 valves. Working chambers 1 are additionally interconnected in axial and transverse directions by shells 8, at least in one section, located between covers 2 and 3. A flexible rod 9 or plate 10 can be located between the chambers. To actuate the pump, the block of working chambers 1 is periodically bent so that, at least, two chambers 1 lie on different sides of the neutral bend layer. For the embodiment of the pump shown in FIG. 3, such a bend is dried in the plane passing through the axes of the chambers 1. In the embodiments of the pump shown in FIG. 9 and 10 are in a plane perpendicular to the flexible plate 10. In other embodiments of the pump shown in FIG. , it is possible to bend the block of working chambers 1 in any plane. When bending, one of the ka, the measures, is stretched, while the others are compressed. In the expanding working chamber 1, a vacuum occurs and the pumped medium enters it through the suction valve 4. At this time, the pumped medium is displaced to the consumer through the discharge valve 5. At times h (Rig. their deformation increases. During periodic bending, the working chambers 1 are stretched and compressed alternately, ensuring continuous pumping of fluid to the consumer. By using shells 8 connecting the working chambers 1 to each other The cross-section between the ends eliminates the loss of longitudinal stability of the chamber 1 when it is compressed during the manufacturing process and, thereby, increases the reliability of the pump. In order to increase reliability, the flexible working chambers are additionally interconnected in the axial and transverse directions, at least in one section, located between the ends of the flexible chambers. Sources of information taken into account during the examination 1. French Patent No. 2215101, F 04 B 43/06, 1974. And SrigL

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