WO2021042664A1 - 匀流管道泵 - Google Patents
匀流管道泵 Download PDFInfo
- Publication number
- WO2021042664A1 WO2021042664A1 PCT/CN2020/072761 CN2020072761W WO2021042664A1 WO 2021042664 A1 WO2021042664 A1 WO 2021042664A1 CN 2020072761 W CN2020072761 W CN 2020072761W WO 2021042664 A1 WO2021042664 A1 WO 2021042664A1
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- WIPO (PCT)
- Prior art keywords
- shaft
- wobble plate
- pipe
- main shaft
- shaft sleeve
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Definitions
- the invention relates to a liquid pump, in particular to a uniform flow pipeline pump which can effectively reduce the abrasion of an elastic hose, has a more uniform fluid flow rate, and a more stable delivery.
- a pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid.
- Pumps are widely used to transport liquids such as water, oil, acid and alkali, emulsions, suspoemulsions and liquid metals, as well as liquids, gas mixtures and liquids containing suspended solids.
- Traditional pumps include centrifugal pumps, diaphragm pumps, piston pumps, and peristaltic pumps. In the chemical, food, pharmaceutical, biological engineering and other fields, there are high requirements for flow pulsation and flow accuracy.
- the present invention aims to solve the above-mentioned problems, and provides a uniform flow pipeline pump which can effectively reduce the abrasion of the elastic hose, the fluid flow rate is more uniform, the delivery is more stable, the cost can be reduced, and the production efficiency can be improved.
- the present invention provides a uniform flow pipeline pump.
- the uniform flow pipeline pump includes a pump housing with a cylindrical cavity in the pump housing, and an annular pipe is provided on the side wall of the cylindrical cavity.
- the accommodating cavity is provided with a pipe inlet and outlet communicating with the pipe accommodating cavity on the pump housing, and a pipe joint fixed to the pump housing is provided outside the pipe inlet and outlet, and two elastic hoses are arranged in the pipe accommodating cavity , The two ends of the elastic hose are connected with the pipe joints, and the inner cavity of the pump housing is provided with a main shaft coaxial with the inner cavity, and the main shaft is connected with the motor.
- the pump casing and the lower pump casing are butted and connected, and the upper and lower pump casings are respectively provided with an upper pipe accommodating groove and a lower pipe accommodating groove, and an upper pipe accommodating groove and a lower pipe accommodating groove on opposite sides of the upper pump housing and the lower pump housing.
- a plurality of protrusions are provided at the bottom of the tube at equal intervals along the circumferential direction, and the upper pipe accommodating groove and the lower pipe accommodating groove are aligned to form a pipe accommodating cavity, and a shaft sleeve is connected to the main shaft, the main shaft and the shaft sleeve
- a first wobble plate and a second wobble plate are arranged on the upper part.
- the part of the main shaft and the sleeve connecting the first wobble plate and the second wobble plate is inclined, so that the first wobble plate and the second wobble plate are installed obliquely.
- the edges of the wobble plate and the second wobble plate are provided with arc-shaped protrusions.
- the arc-shaped protrusions of the two wobble plates are respectively in contact with the inner sides of the two elastic hoses.
- the first wobble plate and the second wobble plate are supported by the first bearing.
- the second bearing support, the opposite sides of the two wobble plates are provided with a plurality of bowl-shaped depressions spaced in the circumferential direction, and the plurality of bowl-shaped depressions are paired to form a plurality of nearly spherical ball cavities, and each is installed in the plurality of nearly spherical ball cavities.
- There is a rotatable ball so that when the main shaft rotates, the first wobble plate and the second wobble plate are driven to swing in the circumferential direction, and the elastic hose is squeezed or loosened during the swing, so that the liquid is continuously discharged And inhalation.
- the central axis of the pipe containing cavity coincides with the central axis of the main shaft.
- the main shaft includes an upper straight shaft at both ends, a lower straight shaft, and an oblique shaft between the upper straight shaft and the lower straight shaft.
- the upper end of the oblique shaft is provided with a first shoulder, and the axis of the oblique shaft is the same as the axis of the straight shaft.
- the center of the upper straight shaft is provided with a motor shaft hole, the side surface of the lower straight shaft is provided with a key groove, and the center is provided with a first screw hole.
- the shaft sleeve includes an inclined shaft sleeve at the upper part and a straight shaft sleeve at the lower part.
- a second shoulder is arranged at the lower part of the inclined shaft sleeve, a key groove is provided on the inner wall of the shaft hole of the inclined shaft sleeve, and the straight shaft sleeve is provided on the inner wall of the shaft hole.
- the oblique shaft sleeve of the shaft sleeve is sleeved on the lower straight shaft of the main shaft.
- the shape and inclination angle of the oblique shaft sleeve are the same as the oblique shaft of the main shaft.
- the keys are fixed, and the main shaft and the sleeve are supported by the third bearing and the fourth bearing respectively.
- the first wobble plate and the second wobble plate are disc-shaped bodies with a first bearing hole and a through hole for the main shaft to pass through in the center.
- the first wobble plate is fixed on the main shaft through the first bearing, and the second wobble plate passes through the first bearing hole.
- the two bearings are fixed on the sleeve, and the first wobble plate and the second wobble plate are mutually supported by a plurality of balls located between them.
- the axis of the first wobble plate and the second wobble plate intersects the axis of the straight shaft of the main shaft. At one point, the first wobble plate is supported by a first bearing located below the first shoulder of the main shaft, and the second wobble plate is supported by a second bearing located above the second shoulder of the sleeve.
- intersection of the axis of the oblique shaft and the axis of the straight shaft is located on the plane of the top of the arc-shaped protrusion of the first wobble plate, and the intersection of the axis of the outer cylindrical surface of the oblique shaft sleeve and the axis of the straight shaft is located on the arc of the second wobble plate The plane where the top of the protrusion lies.
- the pipe joint includes a liquid inlet, a liquid outlet, four pipe connections and a pressure plate.
- the liquid inlet and the liquid outlet are respectively connected to two water inlet pipe connections and two water outlet pipe connections, and two water inlet pipe connections
- the two outlet pipe interfaces are tapered outside, and the four ports of the two elastic hoses are inserted into the two inlet pipe interfaces and the two outlet pipe interfaces, and are sealed and fixed by a pressure plate.
- each fixing hole includes a straight hole.
- the cone hole part extends from the middle part of the fixing hole to the entrance, so that the end of the elastic hose is fixed on the pressure plate.
- the uniform flow pipeline pump of the present invention adopts the double wobble plate structure arranged on the inclined shaft, so that the intersection of the axis of the inclined shaft and the axis of the straight shaft is located on the plane of the top of the arc-shaped protrusion of the first wobble plate, and the outer side of the inclined shaft sleeve The intersection of the axis of the cylindrical surface and the axis of the straight shaft is located on the plane where the top of the arc-shaped protrusion of the second wobble plate is located.
- the invention also has the characteristics of simple structure, easy implementation, wide application range and the like.
- Fig. 1 is a schematic diagram of the appearance of the present invention.
- Fig. 2 is a cross-sectional view of the structure of the present invention.
- Fig. 3 is a cross-sectional view of another structure of the present invention.
- Fig. 4 is a schematic diagram of the pump casing structure of the present invention, in which Fig. 4A is a cross-sectional view of the upper pump casing structure, Fig. 4B is a top view of Fig. 4A, Fig. 4C is a cross-sectional view of the lower pump casing, and Fig. 4D is a bottom view of Fig. 4C.
- Figure 5 is a cross-sectional view of the spindle structure of the present invention.
- Fig. 6 is a cross-sectional view of the sleeve structure of the present invention.
- FIG. 7 is a schematic diagram of the structure of the first wobble plate of the present invention, in which 7A is a cross-sectional view, and FIG. 7B is a bottom view of FIG. 7A.
- FIG. 8 is a schematic diagram of the structure of the pipe joint of the present invention, in which FIG. 8A is a schematic diagram of the appearance, FIG. 8B is a cross-sectional view of the structure, FIG. 8C is a diagram of the pressure plate, and FIG. 8D is a cross-sectional view of FIG. 8C.
- the uniform flow pipeline pump 100 of the present invention includes a pump housing 10, a pipe joint 20, an elastic hose 30, a main shaft 40, a shaft sleeve 50, a first wobble plate 61, a second wobble plate 62, and a first wobble plate.
- the pump casing 10 is formed by buttingly connecting an upper pump casing 11 and a lower pump casing 12.
- the structure of the upper pump casing 11 is shown in FIGS. 4A and 4B, which is a convex block body.
- the center is provided with a cylindrical inner cavity 10A1 composed of three sections of holes with different diameters.
- the cylindrical inner cavity 10A1 is used to house the motor shaft (not shown in the figure), the main shaft 40, the first bearing 71 and the third Bearing 73.
- the structure of the lower pump housing 12 is shown in Figure 4C and Figure 4D. It is an inverted convex block with a cylindrical cavity 10A2 composed of two sections of holes with different diameters in the center.
- the cylindrical cavity 10A2 is used for The shaft sleeve 50, the second bearing 72 and the fourth bearing 74 are accommodated.
- the cylindrical inner cavity 10A1 of the upper pump casing 11 and the cylindrical inner cavity 10A2 of the lower pump casing 12 are aligned to form a cylindrical inner cavity 10A.
- Opposite sides of the upper pump casing 11 and the lower pump casing 12 are respectively provided with a U-shaped upper pipe accommodating groove 111 and a lower pipe accommodating groove 121, and the upper pipe accommodating groove 111 and the lower pipe accommodating groove 121 are formed by a pairing
- the nearly elliptical pipe accommodating cavity 10B is used for accommodating the elastic hose 30, and the central axis of the pipe accommodating cavity 10B coincides with the central axis of the main shaft 40.
- a plurality of protrusions 1111, 1211 are provided at the bottom of the upper pipe accommodating groove 111 and the lower pipe accommodating groove 121 at equal intervals along the circumferential direction.
- the convex The ridges 1111 and 1211 are wave-shaped, which are used to form the pressure dead point of the first wobble plate 61 and the second wobble plate 62 on the elastic hose 30, so as to separate the high and low pressure areas of the liquid in the hose.
- the pump housing 10 is provided with a pipe inlet and outlet 10C communicating with the pipe containing cavity, and a pipe joint 20 fixed to the pump housing 10 is provided outside the pipe inlet and outlet 10C.
- the pipe joint 20 includes a liquid inlet 21, a liquid outlet 22, four pipe connections 23, and a pressure plate 24, wherein the liquid inlet 21 and the liquid outlet 22 are respectively provided at
- the upper and lower ends of the pipe joint are provided with two water inlet pipe interfaces 231 and two water outlet pipe interfaces 232 between the liquid inlet 21 and the liquid outlet 22.
- the liquid inlet 21 and the liquid outlet 22 are connected to the two inlets respectively.
- the water pipe interface 231 and the two outlet pipe interfaces 232 are connected.
- the outside of the two inlet pipe interfaces 231 and the two outlet pipe interfaces 232 are tapered inwardly, and the four ports of the two elastic hoses 30 are inserted into the two inlet pipe interfaces 231 and the two outlet pipe interfaces 232, and The pressure plate 24 is sealed and fixed.
- each fixing hole 241 includes a straight hole 2411 and an inward The inclined taper hole portion 2412, whose taper hole portion 2412 extends from the middle of the fixing hole 241 to the entrance, the four ends of two elastic hoses are inserted into the fixing holes 241, and the ends of the elastic hose 30 are pushed through the pressure plate 24. ⁇ fixed.
- the processed liquid enters the elastic hose 30 through the liquid inlet 21 and the water inlet pipe interface 231, and then is discharged through the water outlet pipe interface 232 and the liquid outlet 22.
- an elastic hose 30 is provided in each of the upper pipe accommodating groove 111 and the lower pipe accommodating groove 121.
- the elastic hose 30 is a high-strength elastic hose, such as rubber.
- a hose, a plastic hose or a silicone hose, both ends of the hose 30 are connected to the pipe joint 20.
- a main shaft 40 is provided in the inner cavity 10A of the pump housing.
- the main shaft 40 is connected to a motor (not shown in the figure), and the main shaft 40 is coaxial with the inner cavity 10A.
- the main shaft 40 includes an upper straight shaft 41, a lower straight shaft 42 and an oblique shaft 43 at both ends.
- the oblique shaft 43 is located between the upper straight shaft 41 and the lower straight shaft 42.
- the oblique shaft 43 is used to make the first wobble plate 61
- the inclined shaft 43 is installed and oscillated at an angle, and the upper end of the inclined shaft 43 is provided with a first shoulder 44 for defining the first bearing 71.
- the axis of the inclined shaft 43 intersects the axis of the straight shaft at a point, the center of the upper straight shaft 41 is provided with a motor shaft hole 411, and the motor shaft is fixed in the motor shaft hole 411.
- the side surface of the lower straight shaft 42 is provided with a key groove 421 for connecting with the shaft sleeve 50.
- the center of the lower straight shaft is provided with a first screw hole 422 for fixing the shaft sleeve 50.
- the shaft sleeve 50 includes an inclined shaft sleeve 51 at the upper part and a straight shaft sleeve 52 at the lower part.
- the oblique shaft sleeve 51 is arranged obliquely with respect to the straight shaft sleeve 52.
- a second shoulder 53 is provided at the lower part of the inclined shaft sleeve 51 to define the second bearing 72.
- a key groove 511 is provided on the inner wall of the shaft hole of the inclined shaft sleeve 51, which is matched with the key groove 421 of the lower straight shaft of the main shaft, so that the main shaft 40 and the shaft sleeve 50 are positioned.
- the straight shaft sleeve 52 is provided with a connecting hole 521 for connecting the main shaft 40 and the shaft sleeve 50.
- the axis of the outer cylindrical surface of the inclined shaft sleeve 51 intersects the axes of the upper straight shaft 41 and the lower straight shaft 42 of the main shaft at one point.
- the inclined shaft sleeve 51 of the shaft sleeve is sleeved on the lower straight shaft 42 of the main shaft, and is limited by the key installed in the key groove 511 of the inclined shaft sleeve and the key groove 421 of the straight shaft of the main shaft.
- the shape and inclination angle of the inclined shaft sleeve 51 are the same as the inclined shaft 43 of the main shaft.
- the main shaft 40 and the shaft sleeve 50 are restricted and connected by the first screw hole 422, the connecting hole 521 and the key installed in the key groove 421, 511.
- the main shaft 40 and the sleeve 50 are supported by a third bearing 73 and a fourth bearing 74, respectively.
- a first wobble plate 61 and a second wobble plate 62 are provided on the main shaft 40 and the sleeve 50, wherein the first wobble plate 61 is installed obliquely through the first bearing 71
- the inclination angle of the first bearing 71 defines the inclination angle of the first wobble plate 61.
- the edge of the first wobble plate 61 is provided with an arc-shaped protrusion 611 that contacts the surface of the elastic hose 30 and squeezes the elastic hose 30 when the first wobble plate 61 swings.
- the first wobble plate 61 is supported by the first bearing 71.
- the second wobble plate 62 has the same structure as the first wobble plate 61, and is arranged in the lower part of the first wobble plate 61 in the opposite direction.
- the edge of the second wobble plate 62 is provided with an arc-shaped protrusion 621 which is connected to the surface of the elastic hose 30. Contact and squeeze the elastic hose 30 when the second wobble plate 62 swings.
- the second wobble plate 62 is supported by a second bearing 72.
- a plurality of bowl-shaped recesses 612, 622 are provided on opposite sides of the first wobble plate 61 and the second wobble plate 62 at intervals along the circumferential direction, and the bottom of the plurality of bowl-shaped recesses 612, 622 has a flat surface.
- the bowl-shaped depressions 612, 622 on the opposite sides of the two wobble plates form a plurality of nearly spherical ball cavities 60A.
- Each of the nearly spherical ball cavities 60A is equipped with a ball 63 whose diameter is smaller than that of the ball cavity 60A.
- the size of the ball 63 can rotate within a certain range in the ball cavity 60A.
- the first wobble plate 61 and the second wobble plate 62 are disc-shaped bodies with first bearing holes 613, 623 and through holes 614, 624 for the main shaft to pass through in the center.
- the wobble plate 61 is fixed on the main shaft 40 through the first bearing 71
- the second wobble plate 62 is fixed on the sleeve 50 through the second bearing 72
- the first wobble plate 61 and the second wobble plate 62 pass through the shaft between them.
- the two balls 63 support each other.
- the axes of the first wobble plate 61 and the second wobble plate 62 intersect with the axis of the straight shaft of the main shaft, respectively. Specifically, as shown in FIG.
- the intersection of the axis of the inclined shaft 43 and the axis of the straight shaft is located on the plane where the top of the arc-shaped protrusion 611 of the first wobble plate 61 is located, and the axis of the outer cylindrical surface of the inclined shaft sleeve 51 and The intersection of the axis of the straight shaft is located on the plane of the top of the arc-shaped protrusion 621 of the second wobble plate. Because the position of the intersection point does not change during the rotation of the main shaft, the first wobble plate 61 and the second wobble plate 62 swing under the drive of the main shaft 40. The contact surface of the wobble plate and the elastic hose does not slide relative to each other, but only swings and rolls, thus greatly reducing the friction damage of the elastic hose, significantly prolonging the service life of the elastic hose, and improving the working efficiency of the pump .
- the working process of the present invention is shown in Figure 2 and Figure 3.
- the motor drives the main shaft 40 to rotate
- the main shaft 40 and the sleeve 50 drive the first wobble plate 61 and the second wobble plate 62 to swing.
- a wobble plate 61 and a second wobble plate 62 are arranged obliquely, so that the arc-shaped protrusions 611, 621 of the first wobble plate 61 and the second wobble plate 62 squeeze or loosen the two elastic hoses 30 during the swing process.
- the phase difference of the two elastic hoses 30 is 180 degrees, the liquid flows in parallel at the outlet, and the flow is uniform after the parallel flow, thus forming the uniform flow pipeline pump of the present invention.
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
一种匀流管道泵(100),包括由上泵壳(11)与下泵壳(12)对合连接而成的泵壳(10),上管道容置槽(111)和下管道容置槽(121)对合形成管道容置腔(10B),管道容置腔(10B)内设有两条弹性软管(30),泵壳(10)内设有主轴(40),主轴(40)上连接有轴套(50),主轴(40)及轴套(50)上设有第一摆盘(61)和第二摆盘(62),第一摆盘(61)和第二摆盘(62)倾斜安装,其边缘设有弧状凸起(611,621),弧状凸起(611,621)分别与两条弹性软管(30)的内侧相接触,第一摆盘(61)和第二摆盘(62)由第一轴承(71)、第二轴承(72)支承,主轴(40)转动时带动第一摆盘(61)和第二摆盘(62)在圆周方向摆动,在摆动过程中挤压或松开弹性软管(30),使得液体被连续排出和吸入。匀流管道泵(100)可有效减少弹性软管(30)磨损,流体流速更加均匀,输送更加平稳。
Description
本发明涉及液体泵,特别是涉及一种可有效减少弹性软管磨损,流体流速更加均匀,输送更加平稳的匀流管道泵。
泵是一种输送液体或使液体增压的机械。它将原动机的机械能或其他外部能量传送给液体,使液体能量增加。泵广泛应用于输送水、油、酸碱液、乳化液、悬乳液和液态金属等液体,也可输送液、气混合物及含悬浮固体物的液体。传统的泵包括离心泵、隔膜泵、活塞泵,蠕动泵等。在化工、食品、制药、生物工程等领域,对流量脉动和流量精度有较高要求。现有管道泵中,有一种管道泵是通过装在中心轴上的斜凸轮推动单个摆轮在圆周方向摆动压迫输液软管使液体排出和吸入,其虽可实现液体输送,但其存在明显缺陷。由于其摆轮的轴线与中心轴的轴线的交点在摆轮的旋转摆动过程中是移动的,导致摆轮不仅对软管施加有压力,而且有较大的摩擦力,使得输液软管磨损严重,因而使用寿命大大降低,而频繁更换软管不仅增加了成本,也导致生产效率的降低。
【发明内容】
本发明旨在解决上述问题,而提供一种可有效减少弹性软管磨损,流体流速更加均匀,输送更加平稳,可降低成本,提高生产效率的匀流管道泵。
为实现上述目的,本发明提供一种匀流管道泵,该匀流管道泵包括泵壳,在泵壳内具有圆柱状内腔,在该圆柱状内腔的侧壁上设有一个环形的管道容置腔,在泵壳上设有与所述管道容置腔连通的管道出入口,该管道 出入口外设有与泵壳固定的管接头,所述管道容置腔内设有两条弹性软管,该弹性软管的两端与所述管接头相连接,在泵壳的内腔内设有与内腔同轴心的主轴,该主轴与电机相连,其特征在于,所述泵壳由上泵壳与下泵壳对合连接而成,所述上泵壳与下泵壳的相对侧分别设有上管道容置槽和下管道容置槽,上管道容置槽和下管道容置槽的底部沿圆周方向等间隔地设有多个凸起,上管道容置槽和下管道容置槽对合形成管道容置腔,在所述主轴上连接有轴套,所述主轴及轴套上设有第一摆盘和第二摆盘,主轴及轴套上连接第一摆盘和第二摆盘的部位呈倾斜状,使得第一摆盘和第二摆盘呈倾斜安装,第一摆盘和第二摆盘的边缘设有弧状凸起,两个摆盘的弧状凸起分别与所述两条弹性软管的内侧相接触,第一摆盘和第二摆盘由第一轴承、第二轴承支承,两个摆盘的相对侧沿圆周方向间隔地设有多个碗状凹陷,多个碗状凹陷对合成多个近球形滚珠腔,在多个近球形滚珠腔内各装有一个可转动的滚珠,使得当主轴转动时,带动所述第一摆盘和第二摆盘在圆周方向摆动,在摆动过程中挤压或松开所述弹性软管,使得液体被连续排出和吸入。
所述管道容置腔的中轴线与主轴的中轴线重合。
主轴包括位于两端的上段直轴、下段直轴和位于上段直轴、下段直轴之间的斜轴,所述斜轴的上端设有第一轴肩,该斜轴的轴线与直轴的轴线交于一点,所述上段直轴中心设有电机轴孔,所述下段直轴侧表面设有键槽,其中心设有第一螺孔。
轴套包括位于上部的斜轴套和位于下部的直轴套,在所述斜轴套下部设有第二轴肩,斜轴套的轴孔内壁上设有键槽,所述直轴套上设有连接孔,该斜轴套的外圆柱面的轴线与主轴的直轴的轴线交于一点。
轴套的斜轴套套在所述主轴的下段直轴上,该斜轴套的外形及倾斜角度与主轴的斜轴相同,主轴与轴套经第一螺孔、连接孔及装在键槽内的键相固定,主轴与轴套的分别由第三轴承和第四轴承支承。
第一摆盘和第二摆盘为盘状体,其中心设有第一轴承孔及供主轴穿过的过孔,第一摆盘通过第一轴承固定在主轴上,第二摆盘通过第二轴承固定在轴套上,且第一摆盘和第二摆盘通过位于其之间的多个滚珠相互支承,第一摆盘和第二摆盘的轴线与主轴的直轴的轴线交于一点,第一摆盘由位于主轴的第一轴肩下部的第一轴承支承,第二摆盘由位于轴套的第二轴肩上部的第二轴承支承。
斜轴的轴线与直轴的轴线的交点位于第一摆盘的弧状凸起的顶部所在平面,所述斜轴套的外圆柱面的轴线与直轴的轴线的交点位于第二摆盘的弧状凸起的顶部所在平面。
管接头包括进液口、出液口、四个管接口及压板,其中,所述进液口、出液口分别与两个进水管接口及两个出水管接口相连通,两个进水管接口及两个出水管接口外部呈锥形,两根弹性软管的四个端口***所述两个进水管接口及两个出水管接口,并由压板密封固定。
在所述压板内侧设有与两根弹性软管的四个管接口相对应的四个固定孔,两根弹性软管的四个端部***所述固定孔中,各固定孔包括直孔部和锥孔部,其锥孔部由固定孔中部延伸至入口处,使得弹性软管的端部被固定于压板上。
本发明的贡献在于,其有效解决了现有技术中存在的问题。本发明的匀流管道泵通过设于斜轴上的双摆盘结构,使得斜轴的轴线与直轴的轴线的交点位于第一摆盘的弧状凸起的顶部所在平面,斜轴套的外圆柱面的轴线与直轴的轴线的交点位于第二摆盘的弧状凸起的顶部所在平面,由于所述的交点是落在轴线上,使得当主轴转动时,第一摆盘和第二摆盘在摆动时对弹性软管只有摆动滚压,摩擦程度大大减小,因而可极大地提高弹性软管的使用寿命,不仅可节约生产成本,且大大减少更换弹性软管的时间,并因此而有效提高了生产效率。本发明还具有结构简单,易于实施,使用范围广等特点。
图1是本发明的外形示意图。
图2是本发明的结构剖视图。
图3是本发明的另一结构剖视图。
图4是本发明的泵壳结构示意图,其中,图4A为上泵壳结构剖视图,图4B为图4A的俯视图,图4C为下泵壳结构剖视图,图4D为图4C的仰视图。
图5是本发明的主轴结构剖视图。
图6是本发明的轴套结构剖视图。
图7是本发明的第一摆盘结构示意图,其中7A为剖视图,图7B为图7A的仰视图。
图8是本发明的管接头结构示意图,其中,图8A为外形示意图,图8B为结构剖视图,图8C为压板外形图,图8D为图8C的剖视图。
下列实施例是对本发明的进一步解释和说明,对本发明不构成任何限制。
参阅图1~图3,本发明的匀流管道泵100包括泵壳10、管接头20、弹性软管30、主轴40、轴套50、第一摆盘61、第二摆盘62、第一轴承71及第二轴承72、第三轴承73、第三轴承74。
如图4所示,所述泵壳10由上泵壳11与下泵壳12对合连接而成,其中,上泵壳11结构如图4A、图4B所示,其为凸字形块状体,其中央设有由三段不同直径的孔构成的圆柱状内腔10A1,该圆柱状内腔10A1用于容置电机轴(图中未示出)、主轴40及第一轴承71和第三轴承73。下泵壳12结构如图4C、图4D所示,其为倒凸字形块状体,其中央设有由两段不同直 径的孔构成的圆柱状内腔10A2,该圆柱状内腔10A2用于容置轴套50、第二轴承72及第四轴承74。上泵壳11的圆柱状内腔10A1与下泵壳12的圆柱状内腔10A2对合形成圆柱状内腔10A。所述上泵壳11与下泵壳12的相对侧分别设有U形的上管道容置槽111和下管道容置槽121,上管道容置槽111和下管道容置槽121对合形成近椭圆形的管道容置腔10B,用于容置弹性软管30,该管道容置腔10B的中轴线与主轴40的中轴线重合。如图4B、图4D所示,在所述上管道容置槽111和下管道容置槽121的底部沿圆周方向等间隔地设有多个凸起1111,1211,本实施例中,该凸起1111,1211呈波浪形,其用于形成第一摆盘61、第二摆盘62对弹性软管30的压死点,使软管内的液体的高、低压区分离。第一摆盘61、第二摆盘62在摆动过程中,依次与压死点接触,驱动液体流动。在泵壳10上设有与所述管道容置腔连通的管道出入口10C,该管道出入口10C外设有与泵壳10固定的管接头20。
如图8A、图8B所示,所述管接头20包括进液口21、出液口22、四个管接口23及压板24,其中,所述进液口21、出液口22分别设于管接头上下两端,在所述进液口21、出液口22之间设有两个进水管接口231及两个出水管接口232,进液口21、出液口22分别与两个进水管接口231及两个出水管接口232相连通。两个进水管接口231及两个出水管接口232外部呈向内收缩的锥形,两根弹性软管30的四个端口***所述两个进水管接口231及两个出水管接口232,并由压板24密封固定。如图8C、图8D所示,在所述压板24内侧设有与两根弹性软管的四个管接口23相对应的四个固定孔241,各固定孔241包括直孔部2411和向内倾斜的锥孔部2412,其锥孔部2412由固定孔241中部延伸至入口处,两根弹性软管的四个端部***所述固定孔241中,通过压板24将弹性软管30的端部固定。所处理液体经进液口21、进水管接口231进入弹性软管30,然后经出水管接口232、出液口22排出。
如图2、图3所示,在所述上管道容置槽111和下管道容置槽121内各设有一条弹性软管30,该弹性软管30为高强度的弹性软管,如橡胶软管、塑胶软管或硅胶软管,所述软管30的两端与所述管接头20相连接。
如图2、图3、图5所示,在泵壳的内腔10A内设有主轴40,该主轴40与电机(图中未示出)相连,且该主轴40与内腔10A同轴心。所述主轴40包括位于两端的上段直轴41、下段直轴42和斜轴43,斜轴43位于上段直轴41、下段直轴42之间,该斜轴43用于使第一摆盘61呈倾斜安装和摆动,斜轴43上端设有第一轴肩44,用于限定第一轴承71。该斜轴43的轴线与直轴的轴线交于一点,所述上段直轴41中心设有电机轴孔411,电机轴固定于该电机轴孔411中。所述下段直轴42侧表面设有键槽421,用于和轴套50相连接。下段直轴的中心设有第一螺孔422,用于固定轴套50。
如图2、图3、图6所示,所述轴套50包括位于上部的斜轴套51和位于下部的直轴套52,斜轴套51相对于直轴套52呈倾斜设置,在所述斜轴套51下部设有第二轴肩53,用于限定第二轴承72。在斜轴套51的轴孔内壁上设有键槽511,其与主轴的下段直轴的键槽421相配合,以使主轴40与轴套50定位。所述直轴套52上设有连接孔521,用于连接主轴40与轴套50。该斜轴套51的外圆柱面的轴线与主轴的上段直轴41、下段直轴42的轴线交于一点。如图2,所述轴套的斜轴套51套在所述主轴的下段直轴42上,并由装在斜轴套的键槽511及主轴的直轴的键槽421中的键限位。该斜轴套51的外形及倾斜角度与主轴的斜轴43相同,主轴40与轴套50经第一螺孔422、连接孔521及装在键槽421,511内的键限位并连接。主轴40及轴套50分别由第三轴承73和第四轴承74支承。
如图2、图7A、图7B所示,在所述主轴40及轴套50上设有第一摆盘61和第二摆盘62,其中,第一摆盘61通过第一轴承71倾斜安装在主轴的斜轴43上,第一轴承71的倾斜角度限定了第一摆盘61的倾斜角度。该第一摆盘61的边缘设有弧状凸起611,其与弹性软管30的表面相接触,并在 第一摆盘61摆动时挤压弹性软管30。该第一摆盘61由第一轴承71支承。所述第二摆盘62与第一摆盘61结构相同,且其反向设置在第一摆盘61下部,第二摆盘62边缘设有弧状凸起621,其与弹性软管30的表面相接触,并在第二摆盘62摆动时挤压弹性软管30。该第二摆盘62由第二轴承72支承。在第一摆盘61和第二摆盘62的相对侧沿圆周方向间隔地设有多个碗状凹陷612,622,该多个碗状凹陷612,622的底部有一段平面。两个摆盘相对侧的多个碗状凹陷612,622对合成多个近球形滚珠腔60A,在多个近球形滚珠腔60A内各装有一个滚珠63,该滚珠63的直径小于滚珠腔60A的尺寸,使得滚珠63可在滚珠腔60A内一定范围内转动。如图7A、图7B,所述第一摆盘61和第二摆盘62为盘状体,其中心设有第一轴承孔613,623及供主轴穿过的过孔614,624,第一摆盘61通过第一轴承71固定在主轴40上,第二摆盘62通过第二轴承72固定在轴套50上,且第一摆盘61和第二摆盘62通过位于其之间的多个滚珠63相互支承。第一摆盘61和第二摆盘62的轴线分别与主轴的直轴的轴线相交。具体地,如图2,所述斜轴43的轴线与直轴的轴线的交点位于第一摆盘61的弧状凸起611的顶部所在平面,所述斜轴套51的外圆柱面的轴线与直轴的轴线的交点位于第二摆盘的弧状凸起621的顶部所在平面,由于主轴旋转过程中该交点位置不变,使得第一摆盘61和第二摆盘62在主轴40带动下摆动时,摆盘与弹性软管的接触面没有相对滑动,而只有摆动滚压,因而极大地减少了弹性软管的摩擦损坏,显著延长了弹性软管的使用寿命,并提高了泵的工作效率。
本发明的工作过程如图2、图3所示,当电机带动主轴40转动时,主轴40及轴套50带动所述第一摆盘61和第二摆盘62作摆动,此时,由于第一摆盘61和第二摆盘62呈倾斜设置,使得第一摆盘61和第二摆盘62的弧状凸起611、621在摆动过程中挤压或松开所述两条弹性软管30,在挤压过程中,当弹性软管30在与所述上管道容置槽111和下管道容置槽121的底部的波浪形凸起1111,1211对应的位置被完全压紧时,使得液体不能 通过,因此便阻止了液体的回流,第一摆盘61和第二摆盘62通过持续不断的挤压,使得进入软管30的液体被连续排出和吸入,形成本发明的匀流管道泵的做功。还由于本发明的双摆盘及双管结构,两个弹性软管30的相位差为180度,液体在出口处并流,并流后流量均匀,因而形成了本发明的匀流管道泵。
尽管通过以上实施例对本发明进行了揭示,但本发明的保护范围并不局限于此,在不偏离本发明构思的条件下,对以上各构件所做的变形、替换等均将落入本发明的权利要求范围内。
Claims (9)
- 一种匀流管道泵,该匀流管道泵(100)包括泵壳(10),在泵壳(10)内具有圆柱状内腔(10A),在该圆柱状内腔(10A)的侧壁上设有一个环形的管道容置腔(10B),在泵壳(10)上设有与所述管道容置腔连通的管道出入口(10C),该管道出入口(10C)外设有与泵壳(10)固定的管接头(20),所述管道容置腔(10B)内设有两条弹性软管(30),该弹性软管(30)的两端与所述管接头(20)相连接,在泵壳的内腔(10A)内设有与内腔同轴心的主轴(40),该主轴(40)与电机相连,其特征在于,所述泵壳(10)由上泵壳(11)与下泵壳(12)对合连接而成,所述上泵壳(11)与下泵壳(12)的相对侧分别设有上管道容置槽(111)和下管道容置槽(121),上管道容置槽(111)和下管道容置槽(121)的底部沿圆周方向等间隔地设有多个凸起(1111,1211),上管道容置槽(111)和下管道容置槽(121)对合形成管道容置腔(10B),在所述主轴(40)上连接有轴套(50),所述主轴(40)及轴套(50)上设有第一摆盘(61)和第二摆盘(62),主轴(40)及轴套(50)上连接第一摆盘(61)和第二摆盘(62)的部位呈倾斜状,使得第一摆盘(61)和第二摆盘(62)呈倾斜安装,第一摆盘(61)和第二摆盘(62)的边缘设有弧状凸起(611,621),两个摆盘的弧状凸起(611,621)分别与所述两条弹性软管(30)的内侧相接触,第一摆盘(61)和第二摆盘(62)由第一轴承(71)、第二轴承(72)支承,两个摆盘的相对侧沿圆周方向间隔地设有多个碗状凹陷(612,622),多个碗状凹陷(612,622)对合成多个近球形滚珠腔(60A),在多个近球形滚珠腔(60A)内各装有一个可转动的滚珠(63),使得当主轴(40)转动时,带动所述第一摆盘(61)和第二摆盘(62)在圆周方向摆动,在摆动过程中挤压或松开所述弹性软管(30),使得液体被连续排出和吸入。
- 如权利要求1所述的匀流管道泵,其特征在于,所述管道容置腔(10B) 的中轴线与主轴(40)的中轴线重合。
- 如权利要求1所述的匀流管道泵,其特征在于,所述主轴(40)包括位于两端的上段直轴(41)、下段直轴(42)和位于上段直轴(41)、下段直轴(42)之间的斜轴(43),所述斜轴(43)的上端设有第一轴肩(44),该斜轴(43)的轴线与直轴的轴线交于一点,所述上段直轴(41)中心设有电机轴孔(411),所述下段直轴(42)侧表面设有键槽(421),其中心设有第一螺孔(422)。
- 如权利要求3所述的匀流管道泵,其特征在于,所述轴套(50)包括位于上部的斜轴套(51)和位于下部的直轴套(52),在所述斜轴套(51)下部设有第二轴肩(53),斜轴套(51)的轴孔内壁上设有键槽(511),所述直轴套(52)上设有连接孔(521),该斜轴套(51)的外圆柱面的轴线与主轴的直轴的轴线交于一点。
- 如权利要求4所述的匀流管道泵,其特征在于,所述轴套的斜轴套(51)套在所述主轴的下段直轴(42)上,该斜轴套(51)的外形及倾斜角度与主轴的斜轴(43)相同,主轴(40)与轴套(50)经第一螺孔(422)、连接孔(521)及装在键槽(421,511)内的键相固定,主轴(40)与轴套(50)的分别由第三轴承(73)和第四轴承(74)支承。
- 如权利要求5所述的匀流管道泵,其特征在于,所述第一摆盘(61)和第二摆盘(62)为盘状体,其中心设有第一轴承孔(613,623)及供主轴穿过的过孔(614,624),第一摆盘(61)通过第一轴承(71)固定在主轴(40)上,第二摆盘(62)通过第二轴承(72)固定在轴套(50)上,且第一摆盘(61)和第二摆盘(62)通过位于其之间的多个滚珠(63)相互支承,第一摆盘(61)和第二摆盘(62)的轴线与主轴的直轴的轴线交于一点,第一摆盘(61)由位于主轴(40)的第一轴肩(44)下部的第一轴承(71)支承,第二摆盘(62)由位于轴套(50)的第二轴肩(53)上部的第二轴承(72)支承。
- 如权利要求3或4所述的匀流管道泵,其特征在于,所述斜轴(43)的轴线与直轴的轴线的交点位于第一摆盘(61)的弧状凸起(611)的顶部所在平面,所述斜轴套(51)的外圆柱面的轴线与直轴的轴线的交点位于第二摆盘的弧状凸起(621)的顶部所在平面。
- 如权利要求4所述的匀流管道泵,其特征在于,所述管接头(20)包括进液口(21)、出液口(22)、四个管接口(23)及压板(24),其中,所述进液口(21)、出液口(22)分别与两个进水管接口(231)及两个出水管接口(232)相连通,两个进水管接口(231)及两个出水管接口(232)外部呈锥形,两根弹性软管(30)的四个端口***所述两个进水管接口(231)及两个出水管接口(232),并由压板(24)密封固定。
- 如权利要求8所述的匀流管道泵,其特征在于,在所述压板(24)内侧设有与两根弹性软管的四个管接口(23)相对应的四个固定孔(241),两根弹性软管的四个端部***所述固定孔(241)中,各固定孔(241)包括直孔部(2411)和锥孔部(2412),其锥孔部(2412)由固定孔(241)中部延伸至入口处,使得弹性软管(30)的端部被固定于压板(24)上。
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