WO2014015566A1 - 一种永磁直线活塞泵 - Google Patents

一种永磁直线活塞泵 Download PDF

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Publication number
WO2014015566A1
WO2014015566A1 PCT/CN2012/082961 CN2012082961W WO2014015566A1 WO 2014015566 A1 WO2014015566 A1 WO 2014015566A1 CN 2012082961 W CN2012082961 W CN 2012082961W WO 2014015566 A1 WO2014015566 A1 WO 2014015566A1
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WO
WIPO (PCT)
Prior art keywords
piston
mounting plate
permanent magnet
cylinder
magnetic body
Prior art date
Application number
PCT/CN2012/082961
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English (en)
French (fr)
Inventor
徐荣兰
Original Assignee
Xu Ronglan
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 Xu Ronglan filed Critical Xu Ronglan
Priority to ES12881862.2T priority Critical patent/ES2644928T3/es
Priority to US14/389,651 priority patent/US20150125321A1/en
Priority to EP12881862.2A priority patent/EP2878818B1/en
Publication of WO2014015566A1 publication Critical patent/WO2014015566A1/zh

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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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/042—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/042—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow
    • F04B17/044—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow using solenoids directly actuating the piston
    • 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
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • 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 utility model relates to a linear piston pump, in particular to a permanent magnet linear piston pump.
  • the magnetic linear piston pump Due to its large working pressure, simple structure, low energy consumption, low noise and long service life, the magnetic linear piston pump has received more and more attention and is widely used.
  • the mechanical movement and working principle of the magnetic linear piston pump is similar to that of the plunger pump, which utilizes the relative reciprocating motion of the piston and the cylinder to change the volume of the working chamber sealed in the pump to achieve the suction and discharge of the fluid medium.
  • the publication number is CN.
  • a magnetic linear piston pump disclosed in the utility model patent "magnetic linear piston pump” of 1554868 the structure of which comprises
  • the utility model comprises a casing and a cylinder body and a piston arranged therein, wherein the piston is arranged in the cylinder body for axially active airtight fitting, and an electromagnetic coil is arranged on an outer circumferential surface of the cylinder body, the electromagnetic coil is fixed in the casing, the electromagnetic coil and the oscillation
  • the power source is connected, and a permanent magnet is further disposed on the outer peripheral surface of the cylinder body.
  • the permanent magnet is positioned and connected to the cylinder body.
  • One end of the piston is fixedly connected with the casing, and the other end is disposed in the inner hole of the cylinder body, and the piston is provided with fluid communication.
  • a first one-way valve and a second one-way valve are respectively disposed in the fluid through hole or in the inner cavity on the cylinder, and sequentially constitute three relatively independent chambers, that is, a low pressure chamber, a variable volume working chamber,
  • the high pressure chamber communicates with the inflow tube
  • the high pressure chamber communicates with the outflow tube.
  • the electromagnetic coil since the electromagnetic coil is disposed in the casing, the structure is unreasonable, resulting in very inconvenient installation; in addition, the electromagnetic coil, in the utility model The electromagnetic coil and the permanent magnet are both in the low pressure cavity, so the electromagnetic coil and the permanent magnet need to be sealed, the manufacturing process is complicated, the production cost is high, and it is difficult to promote.
  • the purpose of the utility model is to provide a permanent magnet linear piston pump with simple structure, convenient production and low production cost in order to overcome the deficiencies of the prior art.
  • the utility model discloses a permanent magnet linear piston pump, which comprises a piston body, a cylinder block, a permanent magnet assembly and an electromagnetic coil, wherein the cylinder body has a polygonal prism shape and an inner axial direction.
  • the cylindrical cavity constitutes a piston cavity, and the piston body is fluidly fitted in the piston cavity, and the end face of the piston cavity opposite to the end face of the piston is provided with a check valve and a check valve, at least one of the cylinders
  • a pair of permanent magnet assemblies are disposed on the side, the permanent magnet assembly includes an inner mounting plate and an outer mounting plate disposed in parallel with the side of the cylinder, the inner mounting plate and the outer mounting plate being made of a magnetically permeable material.
  • the inner surface of the inner mounting plate and the outer mounting plate are respectively provided with an inner magnetic body and an outer magnetic body, and the inner magnetic body and the outer magnetic body are oppositely disposed and opposite magnetic poles are opposite to each other, and the outer surface of the cylinder body is opposite a coil support member is disposed, the electromagnetic coil is circumferentially distributed in a tubular shape on the coil support member, and the cylinder wall formed by the electromagnetic coil is between the inner magnetic body and the outer magnetic body, and the cylinder body is provided Yong An axial slot long hole is disposed on a side of the magnetic component, and a side of the piston body corresponding to the long slot of the sliding slot is radially provided with a connecting post that is matched with the long slot of the sliding slot, and the connecting post passes through The long slot of the sliding slot is coupled with the inner mounting plate and the outer mounting plate to form a linkage.
  • the electromagnetic coil is wound around the coil support member on the outer circumferential surface of the cylinder in the axial direction, and there is no requirement for sealing the electromagnetic coil, so the structure is simple and the production is more Convenient, lower cost, and reliable and reliable maintenance.
  • the cylinder body is symmetrically disposed at two ends of the inner cylindrical cavity, the piston body is disposed in the middle of the columnar cavity, and the two ends of the piston body are respectively liquid-tight with the columnar cavity of the two ends.
  • the first cylindrical piston body and the second piston chamber are respectively formed by the two cylindrical chambers, and the first piston chamber and the first piston body respectively a first inlet check valve and a first outlet check valve are disposed on opposite end faces of the end face, and a second inlet check valve and a second outlet one are disposed on the opposite end faces of the second piston cavity and the second piston end face a first inner magnetic body and a second inner magnetic body are symmetrically disposed at two ends of the inner mounting plate, and the first outer magnetic body and the second outer magnetic body are respectively symmetrically disposed at two ends of the outer mounting plate.
  • the ribs on both ends of the cylinder are respectively provided with a first electromagnetic coil and a second electromagnetic coil.
  • a set of permanent magnet assemblies are provided on each side of the cylinder block. Such an arrangement allows the permanent magnet linear piston pump to have greater power.
  • the cylinder body includes a cylindrical body and end caps at both ends, and the end caps of the two ends are respectively provided with a sealing ring between the end faces of the cylindrical body, the cylindrical body and two
  • the end cap of the end is integrally connected by a plurality of axial screws and nuts disposed around the outer wall of the cylinder, the screw forming the coil support.
  • the cylinder block and the coil support member of the arrangement are simple in structure, simple in manufacturing process, and low in cost.
  • the edge of the cylinder body is provided with a rib, the rib constitutes the coil support, and the inner mounting plate and the inner magnetic body are disposed on the same side of the cylinder In the groove between the upper two ribs.
  • the cylinder block and the coil support member of the arrangement are simple in structure, simple in manufacturing process, firm in structure, and high in mechanical strength.
  • the cylinder block has a quadrangular prism shape to a hexagonal prism shape, preferably a quadrangular prism shape, and has a rectangular cross section.
  • the cylinder of such a shape is easy to process.
  • the inner mounting plate and the outer mounting plate are made of a magnetically permeable material, and the inner mounting plate or/and the outer mounting plate is sleeved with a magnetizing coil, and the magnetizing coil
  • the generated magnetic lines form a closed loop along the inner mounting plate, the inner magnetic body, the outer magnetic body, and the outer mounting plate.
  • the magnetizing coil After the magnetizing coil is sleeved on the inner mounting plate or/and the outer mounting plate, when the magnetic strength of the inner magnetic body and the outer magnetic body is decreased after the permanent magnet linear piston pump is used for a relatively long period of time, the magnetizing is performed by magnetizing The external magnetizing power supply on the coil magnetizes the inner magnetic body and the outer magnetic body to restore their magnetic strength, and prolongs the service life of the permanent magnet linear piston pump.
  • FIG. 1 is a perspective view showing the appearance of a specific embodiment 1 of the present invention.
  • Figure 2 is a cross-sectional view showing the internal structure of a specific embodiment 1 of the present invention.
  • Figure 3 is a perspective view showing the structure of a piston body according to a specific embodiment of the present invention.
  • Figure 4 is a perspective view showing the structure of a cylinder block according to a first embodiment of the present invention
  • Figure 5 is a perspective view showing the appearance of a specific embodiment 2 of the present invention.
  • Figure 6 is an exploded view of a partial structure of a second embodiment of the present invention.
  • Figure 7 is a cross-sectional view showing the internal structure of a second embodiment of the present invention.
  • Figure 8 is a partial enlarged view of the portion of Figure 7;
  • Figure 9 is a partial enlarged view of the portion II of Figure 7;
  • Figure 10 is a schematic view showing the assembly structure of the piston body and the cylinder body according to the second embodiment of the present invention.
  • Figure 11 is a perspective view showing the structure of a cylinder block according to a second embodiment of the present invention.
  • Figure 12 is a perspective view showing the appearance of a specific embodiment 3 of the present invention.
  • Figure 13 is an exploded view of a partial structure of a third embodiment of the present invention.
  • Figure 14 is a cross-sectional view showing the internal structure of a third embodiment of the present invention.
  • Figure 15 is a partial enlarged view of the portion III of Figure 14;
  • Figure 16 is a partial enlarged view of a portion IV of Figure 14;
  • the permanent magnet linear piston pump still includes a piston body 1, a cylinder block 2, a permanent magnet assembly 6, and an electromagnetic coil 3.
  • the cylinder block 2 has a polygonal prism shape, and generally has a quadrangular prism shape to a hexagonal prism shape, preferably a quadrangular prism shape. As shown in FIG. 4, in the specific embodiment, the cylinder block 2 has a quadrangular prism shape and a rectangular cross section.
  • the cylinder body 2 is internally provided with an axial columnar cavity to form a piston cavity 201, and the piston body 1 is liquid-tight.
  • the movable body is disposed in the piston chamber 201.
  • the piston body 1 may have the same cross-section as the cross section of the piston chamber 201.
  • the liquid-tight joint is inserted into the piston chamber 201.
  • the piston body 1 is a columnar body having the same cross section as the piston chamber 201.
  • the end of the piston body 1 is liquid-tightly inserted into the piston chamber 201, and the other end is preferably provided with a guiding function.
  • an end surface of the piston chamber 201 opposite to the end surface of the piston is provided with a check valve 4 and a check valve 5, and at least one side of the cylinder 2 is provided with a set of permanent magnet assemblies 6,
  • the magnetic assembly 6 includes an inner mounting plate 601 and an outer mounting plate 602 disposed in parallel with the side of the cylinder 2, The inner surface of the inner mounting plate 601 and the outer mounting plate 602 are respectively provided with an inner magnetic body 603 and an outer magnetic body 604. In order to make the permanent magnet linear piston pump have more power, each side of the cylinder block 2 is provided.
  • Each of the cylinder blocks 2 is provided with a coil support member, and the coil support member is provided with a coil support member for a certain distance between the electromagnetic coil 3 and the outer surface of the cylinder, and may have
  • the inner mounting plate 601 and the inner magnetic body 603 are disposed in the space, and the electromagnetic coil 3 is wound in a cylindrical shape on the coil support member in the axial direction.
  • the cylinder block 2 may be an end cover including a cylindrical body and two ends, and the end caps of the two ends are respectively provided with a sealing ring between the end faces of the cylindrical body, and the cylindrical body and the end caps of the two ends are surrounded by a plurality of
  • the axial screw and the nut disposed on the outer wall of the cylinder are integrally connected, and the screw is located at each edge of the cylinder 2.
  • the screw constitutes the coil support, and the arranged cylinder 2 and the coil support are simple in structure. The production process is simple and the cost is low, but the mechanical strength is relatively low. As shown in FIG.
  • each of the edges of the cylinder block 2 is provided with a rib 202, and the rib 202 constitutes the coil support member, and the rib 202 may extend to the entire strip. The edge may also correspond to only the portion around which the electromagnetic coil 3 is wound.
  • the rib 202 is for the surface of the cylinder 2 to have a space sufficient for the inner mounting plate 601 and the inner magnetic body 603.
  • the mounting plate 601 and the inner magnetic body 603 are disposed in the grooves between the two side ribs 202 on the same side of the cylinder block 2, and the inner magnetic body 603 and the outer magnetic body 604 are oppositely disposed and opposite magnetic poles are opposite.
  • a gap is left between the inner magnetic body 603 and the outer magnetic body 604, and the gap is minimized while satisfying the winding of the electromagnetic coil 3, and the electromagnetic coil 3 is wound around the rib in a cylindrical shape in the axial direction.
  • the edge of the rib 202 may be first wound on the rib 202 with a cushion layer or a bracket.
  • the electromagnetic coil 3 is between the inner magnetic body 603 and the outer magnetic body 604. 2
  • the side of the permanent magnet assembly 6 is provided with an axial slot long hole 203, and the length of the slot long hole 203 is live The length of the stroke of the plug body 1 is designed.
  • One side of the piston body 1 corresponding to the long slot 203 of the sliding slot is radially provided with a connecting post 101 that is in clearance with the long slot 203 of the sliding slot.
  • the slot long hole 203 is fixedly coupled with the inner mounting plate 601 and the outer mounting plate 602 to form a linkage.
  • the inner mounting plate 601 and the outer mounting plate 602 are respectively provided with through holes that are in clearance with the connecting post 101, and the connecting post 101 passes through the slot long hole 203 and the inner mounting plate.
  • the through holes on the 601 and outer mounting plates 602 are fixedly coupled to the inner mounting plate 601 and the outer mounting plate 602 to form a linkage.
  • the piston body 1 In order to make the permanent magnet linear piston pump more efficient, the piston body 1 is in working state in the back and forth movement, and the utility model forms two permanent magnet linear piston pumps in the same cylinder 2. As shown in FIG. 5-7, the cylinder block 2 is symmetrically disposed at two ends of the inner cylindrical cavity.
  • the piston body 1 is a columnar body having the same cross section as the piston cavity 201, and the piston body 1 is disposed in the columnar cavity.
  • the two ends of the piston body 1 are respectively fluidly and fluidly engaged with the cylindrical chambers of the two ends, so that the cylindrical chambers at the two ends respectively constitute the first piston chamber 2011 and the second piston chamber 2012, and the two piston chambers 1
  • the ends respectively constitute a first piston body 1a and a second piston body 1b
  • the first piston chamber 2011 is provided with a first inlet check valve 4a and a first outlet check valve 5a on an end surface opposite to the end surface of the first piston body 1a.
  • a second inlet check valve 4b and a second outlet check valve 5b are disposed on the end surface of the second piston chamber 2012 opposite to the end surface of the second piston body 1b, as shown in FIGS.
  • the permanent magnet assembly 6 also includes an inner mounting plate 601 and an outer mounting plate 602 disposed in parallel with the side surface of the cylinder block 2.
  • the opposite inner surfaces of the inner mounting plate 601 are symmetrically provided with a first inner magnetic body 603a and a first Two inner magnetic bodies 603b
  • two ends of the outer mounting plate 602 are respectively symmetrically provided with a first outer magnetic body 604a and a second outer magnetic body 604b
  • the first electromagnetic coil 3a and the second electromagnetic coil 3b are respectively disposed on the ribs 202 at the two ends of the cylinder block 2.
  • the inner mounting plate 601 and the inner magnetic body 603 are disposed on the cylinder 2
  • the first inner magnetic body 603a and the first outer magnetic body 604a at both ends are oppositely disposed and the opposite surface magnetic poles are opposite
  • the first inner magnetic body 603b at both ends and the first outer portion The magnetic body 604b is oppositely disposed and opposite to each other, and a gap is left between the first inner magnetic body 603a and the first outer magnetic body 604a and the first inner magnetic body 603b and the first outer magnetic body 604b.
  • the electromagnetic coil 3 is wound around the rib 202 of each edge of the cylinder 2 in a cylindrical shape in the axial direction, or may be first in the rib.
  • the axial direction of the permanent magnet assembly 6 of the cylinder block 2 is provided with an axial slot long hole 203.
  • a plurality of permanent magnet assemblies 6 are disposed on four sides of the cylinder block 2.
  • the four sides of the cylinder block 2 are provided with a slotted long hole 203, and the length of the slot slotted hole 203 is a piston body.
  • the stroke length of the design, the four sides of the corresponding slot long hole 203 of the piston body 1 are radially provided with a connecting post 101 that is clearance-fitted with the slot long hole 203, and the connecting post 101 passes through the sliding
  • the slot long hole 203 is fixedly coupled with the inner mounting plate 601 and the outer mounting plate 602 to form a linkage.
  • the inner mounting plate 601 and the outer mounting plate 602 are respectively provided with through holes that are in clearance with the connecting post 101 , and the connecting post 101 passes through the sliding slot length.
  • the hole 203 and the through hole on the inner mounting plate 601 and the outer mounting plate 602 are fixedly connected with the inner mounting plate 601 and the outer mounting plate 602 to form a linkage.
  • the permanent magnet linear piston pump of the present invention can also be made into a magnetizable type, as shown in Fig. 12-16, and the remaining structure of the magnetizable permanent magnet linear piston pump is the same as that of the above specific embodiment 1 and embodiment 2.
  • the difference between the inner mounting plate 601 and the outer mounting plate 602 is made of a magnetically permeable material, and the inner mounting plate 601 or the outer mounting plate 602 is sleeved with a magnetizing coil 7 for enhancing the magnetic field strength.
  • the inner mounting plate 601 and the outer mounting plate 602 are respectively provided with a magnetizing coil 7, and the magnetizing coils 7 can be wound around a bobbin 8 of a 'mouth' shape, respectively.
  • the mounting plate 601 or the outer mounting plate 602 passes through the center of the bobbin 8, and the bobbin 8 is fixed on the cylinder block 2.
  • the magnetic field lines generated by the magnetizing coil 7 are along the inner mounting plate 601, the inner magnetic body 603, and the outer magnetic body. 604 and outer mounting plate 602 form a closed loop.
  • the check valve 4 and the check valve 5 may be a diaphragm type structure, or a method of providing a steel ball and a compression spring in the valve cavity, which can meet the requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Reciprocating Pumps (AREA)

Abstract

一种永磁直线活塞泵，包括活塞体（1）、缸体（2）、永磁组件（6）和电磁线圈（3），所述缸体为多棱柱形，内部设有轴向柱状容腔构成活塞腔（201），所述活塞体液密动配合设置在活塞腔中，所述活塞腔与活塞端面相对的端面上设有进单向阀（4）和出单向阀（5），所述缸体的至少一个侧面上设有一组永磁组件，所述永磁组件包括与所述缸体侧面平行设置的一块内安装板（601）和一块外安装板（602），所述内安装板和外安装板相对的面上分别设有内磁性体（603）和外磁性体（604），所述电磁线圈沿轴向分布地成筒状缠绕在缸体外侧面的线圈支撑件上，所述电磁线圈形成的筒壁处于内磁性体和外磁性体之间，所述缸体设有永磁组件的侧面上设置有轴向滑槽长孔（203），所述活塞体与所述内安装板和外安装板形成联动。本永磁直线活塞泵结构简单，制作更加方便，成本更低，且工作可靠维修便捷。

Description

一种永磁直线活塞泵 技术领域
本实用新型涉及一种直线活塞泵，具体地说是一种永磁直线活塞泵。
背景技术
磁力直线活塞泵由于具有工作压力大、结构简单、能耗及噪声低、使用寿命长的特点，越来越受到重视，应用越来越广泛。磁力直线活塞泵的机械运动和工作原理类似柱塞泵，均是利用活塞与缸体的相对往复运动使泵内密封的工作腔容积发生变化来实现对流体介质的吸入和压出。如于2004年12月15日公开的、公开号为CN 1554868的 实用新型专利《磁力直线活塞泵》中公开的一种磁力直线活塞泵，其结构包括 包括壳体以及设置在其中的缸体和活塞，活塞设置在缸体内，作轴向活动气密配合，在缸体的外周面设置有电磁线圈，电磁线圈固定在壳体内，电磁线圈与振荡电源相连接，在缸体的外周面还设置有永磁铁，永磁铁与缸体定位连接，活塞的一端与壳体固定连接，另一端设在缸体的内孔之中，活塞设有流体通孔，在流体通孔或与缸体上的内腔中相应设置第一单向阀和第二单向阀，并依次构成三个相对独立的腔室，即，低压腔、变容积工作腔、高压腔，低压腔与流入管连通，高压腔与流出管连通。 但是，由于其电磁线圈是设置在壳体内，结构不合理，导致安装非常不便；此外，电磁线圈，该实用新型中的 电磁线圈和永磁铁均处于低压腔内，因此还需对电磁线圈和永磁铁进行密封处理，制作工艺较为复杂，生产成本较高，难以推广。
技术问题
本实用新型的目的在于为了克服现有技术的不足而提供了一种结构简单、方便生产、制作成本低的永磁直线活塞泵。
技术解决方案
为了实现上述目的，本实用新型公开了一种永磁直线活塞泵，包括活塞体、缸体、永磁体组件和电磁线圈，其特征在于：所述缸体为多棱柱形，内部设有轴向柱状容腔构成活塞腔，所述活塞体液密动配合设置在活塞腔中，所述活塞腔与活塞端面相对的端面上设有进单向阀和出单向阀，所述缸体的至少一个侧面上设有一组永磁组件，所述永磁组件包括与所述缸体侧面平行设置的一块内安装板和一块外安装板，所述内安装板和外安装板由导磁材料制成，所述内安装板和外安装板相对的面上分别设有内磁性体和外磁性体，所述内磁性体和外磁性体相对设置且相对的面磁极相反，所述缸体的外侧面上设有线圈支撑件，所述电磁线圈沿轴向分布地成筒状缠绕在线圈支撑件上，所述电磁线圈形成的筒壁处于内磁性体和外磁性体之间，所述缸体设有永 磁组件的侧面上设置有轴向滑槽长孔，所述活塞体上对应滑槽长孔的一侧径向设有与所述滑槽长孔间隙配合的连接柱，所述连接柱穿过滑槽长孔与所述内安装板和外安装板连接形成联动。
有益效果
与现有技术相比较，本实用新型由于所述电磁线圈沿轴向分布地缠绕在缸体外周面的线圈支撑件上，且没有需要对电磁线圈进行密封处理的要求，因此结构简单，制作更加方便，成本更低，且工作可靠维修便捷。
作为本实用新型的进一步设置，所述缸体为内部柱状容腔两头成对称设置，所述活塞体设置在柱状容腔的中部，所述活塞体的两端分别与两头的柱状容腔液密动配合，使两头的柱状容腔分别构成第一活塞腔和第二活塞腔，所述活塞体的两端分别构成第一活塞体和第二活塞体，所述第一活塞腔与第一活塞端面相对的端面上设有第一进单向阀和第一出单向阀，所述第二活塞腔与第二活塞端面相对的端面上设有第二进单向阀和第二出单向阀，所述内安装板的两端分别对称设有第一内磁性体和第二内磁性体，所述外安装板的两端分别对称设有第一外磁性体和第二外磁性体，所述缸体两端的凸筋上对应分别设置有 第一电磁线圈和第二电磁线圈。这样的设置，同一个缸体中形成了两个永磁直线活塞泵，所述活塞体在来回运动中均在工作，效率更高。
作为本实用新型的再进一步设置，所述缸体的每一个侧面上均设有一组永磁组件。这样的设置，可以使得永磁直线活塞泵具有更大的功率。
作为本实用新型的更进一步设置，所述缸体包括筒状体和两端的端盖，所述两端的端盖分别与筒状体两端面之间设有密封环，所述筒状体和两端的端盖通过若干围绕筒状体外壁设置的轴向螺杆和螺母连接一体，所述螺杆构成所述线圈支撑件。这种设置的缸体和线圈支撑件结构简单，制作工艺简便，成本较低。
作为本实用新型的更进一步设置，所述缸体的棱边上设有凸筋，所述凸筋构成所述线圈支撑件，所述内安装板及内磁性体设置在所述缸体同一侧面上两边凸筋之间的凹槽中。这种设置的缸体和线圈支撑件结构简单，制作工艺简便，结构牢固，机械强度高。
作为本实用新型的更进一步设置，所述缸体为四棱柱形至六棱柱形，优选为四棱柱形，截面为矩形。这样形状的缸体便于加工。
作为本实用新型的再更进一步设置，所述内安装板和外安装板由导磁材料制成，所述内安装板或/和外安装板上套设有充磁线圈，所述充磁线圈产生的磁力线沿所述内安装板、内磁性体、外磁性体和外安装板形成一个封闭的环形。在所述内安装板或/和外安装板上套设有充磁线圈后，当永磁直线活塞泵经过比较长期的使用后内磁性体和外磁性体的磁性强度下降后，通过在充磁线圈上外接充磁电源对内磁性体和外磁性体充磁恢复它们的磁性强度，延长永磁直线活塞泵的使用寿命。
下面结合附图 及具体实施例 对本实用新型作进一步 说明。
附图说明
附图1为本实用新型具体实施例1外观结构立体示意图；
附图2为本实用新型具体实施例1内部结构剖视图；
附图3为本实用新型具体实施例1 活塞体结构立体示意图；
附图4为本实用新型具体实施例1 缸体结构立体示意图；
附图5为本实用新型具体实施例2外观结构立体示意图；
附图6为本实用新型具体实施例2局部结构分解图；
附图7为本实用新型具体实施例2内部结构剖视图；
附图8为附图7 I部局部放大图；
附图9为附图7 II部局部放大图；
附图10为本实用新型具体实施例2 活塞体与缸体装配结构示意图；
附图11为本实用新型具体实施例2 缸体结构立体示意图；
附图12为本实用新型具体实施例3外观结构立体示意图；
附图13为本实用新型具体实施例3局部结构分解图；
附图14为本实用新型具体实施例3内部结构剖视图；
附图15为附图14 III部局部放大图；
附图16为附图14 IV部局部放大图。
 本发明的最佳实施方式
具体实施例1
如图1、2所示， 永磁直线活塞泵仍包括活塞体1、缸体2、永磁组件6和电磁线圈3，所述缸体2为多棱柱形，通常以四棱柱形至六棱柱形为宜，优选四棱柱形，如图4所示，本具体实施例中，所述缸体2为四棱柱形，截面为矩形，缸体2内部设有轴向柱状容腔构成活塞腔201，所述活塞体1液密动配合设置在活塞腔201中，所述活塞体1可以是一端截面与活塞腔201截面相同，该端液密动配合插设在活塞腔201中，本具体实施例中，如图2、3所示，所述活塞体1为截面与活塞腔201截面相同的柱状体，所述活塞体1端部液密动配合插设在活塞腔201中，另一端最好设有起到导向作用的支撑结构，所述活塞腔201与活塞端面相对的端面上设有进单向阀4和出单向阀5，所述缸体2的至少一个侧面上设有一组永磁组件6，所述永磁组件6包括与所述缸体2侧面平行设置的一块内安装板601和一块外安装板602，所述内安装板601和外安装板602相对的面上分别设有内磁性体603和外磁性体604，为了使得永磁直线活塞泵具有更大的功率，本缸体2的每一个侧面上均设有一组永磁组件6，所述缸体2的外侧面上设有线圈支撑件，设有线圈支撑件的作用是为了电磁线圈3与缸体外表面之间有一定的距离，可以有空间安置内安装板601及内磁性体603，所述电磁线圈3沿轴向分布地成筒状缠绕在线圈支撑件上。所述缸体2可以是包括筒状体和两端的端盖，所述两端的端盖分别与筒状体两端面之间设有密封环，所述筒状体和两端的端盖通过若干围绕筒状体外壁设置的轴向螺杆和螺母连接一体，螺杆处于缸体2的每条棱边部位，所述螺杆构成所述线圈支撑件，这种设置的缸体2和线圈支撑件结构简单，制作工艺简便，成本较低，但是机械强度相对略低。如图4所示，本具体实施例中，所述缸体2的每条棱边上设有凸筋202，所述凸筋202构成所述线圈支撑件，凸筋202可以是延伸至整条棱边，也可以是仅仅对应于两端绕有电磁线圈3的部分，所述凸筋202是为了使得缸体2表面具有一个足以安置内安装板601及内磁性体603的空间，所述内安装板601及内磁性体603设置在所述缸体2同一侧面上两边凸筋202之间的凹槽中，所述内磁性体603和外磁性体604相对设置且相对的面磁极相反，所述内磁性体603和外磁性体604之间留有间隙，所述间隙在满足绕有电磁线圈3的前提下尽量减小，所述电磁线圈3沿轴向成筒状分布地缠绕在各棱边的凸筋202上，也可以是先在凸筋202上设有衬垫层或支架后再绕上，所述电磁线圈3处于内磁性体603和外磁性体604之间，所述缸体2设有永磁组件6的侧面上设置有轴向滑槽长孔203，滑槽长孔203的长度即为活塞体1设计的行程长度，所述活塞体1上对应滑槽长孔203的一侧径向设有与所述滑槽长孔203间隙配合的连接柱101，所述连接柱101穿过滑槽长孔203与所述内安装板601和外安装板602固定连接形成联动。本具体实施例中，在所述内安装板601和外安装板602上均设有与连接柱101间隙配合的通孔，所述连接柱101穿过滑槽长孔203及所述内安装板601和外安装板602上的通孔并与所述内安装板601和外安装板602固定连接形成联动。
具体实施例2
为了使永磁直线活塞泵效率更高，活塞体1在来回运动中均处于工作状态，本实用新型在同一个缸体2中形成了两个永磁直线活塞泵。如图5-7所示，所述缸体2为内部柱状容腔两头成对称设置，所述活塞体1为截面与活塞腔201截面相同的柱状体，所述活塞体1设置在柱状容腔的中部，所述活塞体1的两端分别与两头的柱状容腔液密动配合，使两头的柱状容腔分别构成第一活塞腔2011和第二活塞腔2012，所述活塞体1的两端分别构成第一活塞体1a和第二活塞体1b，所述第一活塞腔2011与第一活塞体1a端面相对的端面上设有第一进单向阀4a和第一出单向阀5a，所述第二活塞腔2012与第二活塞体1b端面相对的端面上设有第二进单向阀4b和第二出单向阀5b，如图7-9所示，所述永磁组件6同样包括与所述缸体2侧面平行设置的一块内安装板601和一块外安装板602，所述内安装板601的两端相对的面上分别对称设有第一内磁性体603a和第二内磁性体603b，所述外安装板602的两端分别对称设有第一外磁性体604a和第二外磁性体604b，所述缸体2两端的凸筋202上对应分别设置有第一电磁线圈3a和第二电磁线圈3b，同样的，所述内安装板601及内磁性体603设置在所述缸体2同一侧面上两边凸筋202之间的凹槽中，两端的第一内磁性体603a和第一外磁性体604a相对设置且相对的面磁极相反，两端的第一内磁性体603b和第一外磁性体604b相对设置且相对的面磁极相反，所述第一内磁性体603a和第一外磁性体604a及第一内磁性体603b和第一外磁性体604b之间留有间隙，所述间隙在满足绕有电磁线圈3的前提下尽量减小，所述电磁线圈3沿轴向成筒状分布地缠绕在缸体2两端各棱边的凸筋202上，也可以是先在凸筋202上设有衬垫层或支架后再绕上，所述电磁线圈3处于所述第一内磁性体603a和第一外磁性体604a及第一内磁性体603b和第一外磁性体604b之间，所述缸体2设有永磁组件6的侧面上设置有轴向滑槽长孔203，本具体实施例中，缸体2的四个侧面上均设置有一组永磁组件6，缸体2的四个侧面上均设置有滑槽长孔203，滑槽长孔203的长度即为活塞体1设计的行程长度，所述活塞体1上对应滑槽长孔203的四个侧面均径向设有与所述滑槽长孔203间隙配合的连接柱101，所述连接柱101穿过滑槽长孔203与所述内安装板601和外安装板602固定连接形成联动。本具体实施例中，如图5、6所示，在所述内安装板601和外安装板602上均设有与连接柱101间隙配合的通孔，所述连接柱101穿过滑槽长孔203及所述内安装板601和外安装板602上的通孔并与所述内安装板601和外安装板602固定连接形成联动。
具体实施例3
为了能对内磁性体603和外磁性体604充磁恢复它们的磁性强度，以延长永磁直线活塞泵的使用寿命。本实用新型的永磁直线活塞泵还可以制成可充磁式，如图12-16所示，可充磁式的永磁直线活塞泵的其余结构与上述具体实施例1和实施例2相同，所不同的是所述内安装板601和外安装板602由导磁材料制成，所述内安装板601或外安装板602上套设有充磁线圈7，为了加强充磁磁场强度，本具体实施例中，所述内安装板601和外安装板602上均套设有充磁线圈7，充磁线圈7可以先各绕在一个'口'字形的线圈架8上，所述内安装板601或外安装板602穿过线圈架8中心，线圈架8固定在缸体2上，所述充磁线圈7产生的磁力线沿所述内安装板601、内磁性体603、外磁性体604和外安装板602形成一个封闭的环形。
上述具体实施例中，进单向阀4和出单向阀5可以是膜片式结构，也可以是在阀腔中设置钢球和压缩弹簧的方式，均能满足要求。
 本发明的实施方式
工业实用性
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Claims (8)

  1. 一种永磁直线活塞泵，包括活塞体、缸体、永磁体组件和电磁线圈，其特征在于：所述缸体为多棱柱形，内部设有轴向柱状容腔构成活塞腔，所述活塞体液密动配合设置在活塞腔中，所述活塞腔与活塞端面相对的端面上设有进单向阀和出单向阀，所述缸体的至少一个侧面上设有一组永磁组件，所述永磁组件包括与所述缸体侧面平行设置的一块内安装板和一块外安装板，所述内安装板和外安装板由导磁材料制成，所述内安装板和外安装板相对的面上分别设有内磁性体和外磁性体，所述内磁性体和外磁性体相对设置且相对的面磁极相反，所述缸体的外侧面上设有线圈支撑件，所述电磁线圈沿轴向分布地成筒状缠绕在线圈支撑件上，所述电磁线圈形成的筒壁处于内磁性体和外磁性体之间，所述缸体设有永磁组件的侧面上设置有轴向滑槽长孔，所述活塞体上对应滑槽长孔的一侧径向设有与所述滑槽长孔间隙配合的连接柱，所述连接柱穿过滑槽长孔与所述内安装板和外安装板连接形成联动。
  2. 根据权利要求1所述的永磁直线活塞泵，其特征在于: 所述缸体为内部柱状容腔两头成对称设置，所述活塞体设置在柱状容腔的中部，所述活塞体的两端分别与两头的柱状容腔液密动配合，使两头的柱状容腔分别构成第一活塞腔和第二活塞腔，所述活塞体的两端分别构成第一活塞体和第二活塞体，所述第一活塞腔与第一活塞体端面相对的端面上设有第一进单向阀和第一出单向阀，所述第二活塞腔与第二活塞体端面相对的端面上设有第二进单向阀和第二出单向阀，所述内安装板的两端分别对称设有第一内磁性体和第二内磁性体，所述外安装板的两端分别对称设有第一外磁性体和第二外磁性体，所述缸体两端的凸筋上对应分别设置有第一电磁线圈和第二电磁线圈。
  3. 根据权利要求1所述的永磁直线活塞泵，其特征在于: 所述缸体的每一个侧面上均设有一组永磁组件。
  4. 根据权利要求1所述的永磁直线活塞泵，其特征在于: 所述缸体的棱边上设有凸筋，所述凸筋构成所述线圈支撑件，所述内安装板及内磁性体设置在所述缸体同一侧面上两边凸筋之间的凹槽中。
  5. 根据权利要求1所述的永磁直线活塞泵，其特征在于: 所述缸体包括筒状体和两端的端盖，所述两端的端盖分别与筒状体两端面之间设有密封环，所述筒状体和两端的端盖通过若干围绕筒状体外壁设置的轴向螺杆和螺母连接一体，所述螺杆构成所述线圈支撑件。
  6. 根据权利要求1所述的永磁直线活塞泵，其特征在于: 所述缸体为四棱柱形至六棱柱形。
  7. 根据权利要求1所述的永磁直线活塞泵，其特征在于: 所述缸体为四棱柱形，截面为矩形。
  8. 根据权利要求1所述的永磁直线活塞泵，其特征在于:所述内安装板和外安装板由导磁材料制成，所述内安装板或/和外安装板上套设有充磁线圈，所述充磁线圈产生的磁力线沿所述内安装板、内磁性体、外磁性体和外安装板形成一个封闭的环形。
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US20150125321A1 (en) 2015-05-07
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EP2878818A1 (en) 2015-06-03
EP2878818B1 (en) 2017-08-16
CN202789501U (zh) 2013-03-13

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