WO2020061758A1 - 瓶口分液器 - Google Patents
瓶口分液器 Download PDFInfo
- Publication number
- WO2020061758A1 WO2020061758A1 PCT/CN2018/107379 CN2018107379W WO2020061758A1 WO 2020061758 A1 WO2020061758 A1 WO 2020061758A1 CN 2018107379 W CN2018107379 W CN 2018107379W WO 2020061758 A1 WO2020061758 A1 WO 2020061758A1
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- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- pump body
- hole
- piston pump
- base
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C9/00—Devices for emptying bottles, not otherwise provided for
Definitions
- the invention relates to the technical field of liquid processing, and in particular to a bottle-top liquid dispenser.
- Liquid extraction is widely used in the biological and chemical fields, as well as clinical medical, industrial and commercial laboratories.
- the technical problem to be solved by the present invention is to provide a bottle mouth liquid dispenser, which can automatically perform liquid extraction with high accuracy.
- the base is provided with a first liquid suction hole and a first liquid discharge hole
- the bottom of the piston pump body is provided with a second liquid suction hole and a second liquid discharge hole
- a rotating electrical machine stator is embedded on the peripheral side of the base, and a rotating electrical machine rotor is provided on the bottom peripheral side of the piston pump body;
- the upper peripheral side of the piston pump body is provided with a lifting motor stator, and the high direction of the piston rod is provided with a linear magnetic pole array in which N poles, S poles, N poles, and S stages are sequentially superimposed;
- the linear magnetic pole array drives the piston rod to move up and down to achieve pumping and draining;
- the piston rod includes a pump rod and a pump rod head;
- the upper part of the pump rod is open, the inside of the pump rod is hollow, and the bottom of the pump rod is closed;
- the linear magnetic pole array is filled into the hollow part of the pump rod, and the linear magnetic pole array is plastically sealed inside the pump rod;
- a pump rod head is provided at an upper end portion of the pump rod.
- it further comprises a magnetic scale and a position sensor, the position sensor is connected to the side of the magnetic scale, and the top of the magnetic scale is connected to the pump rod head;
- the position sensor is arranged on one side of the pump rod.
- it further comprises a connecting shaft, an upper seal washer, an upper lock nut, a lower seal washer and a lower lock nut;
- the middle part of the bottom of the piston pump body is provided with a first connection hole
- the middle part of the upper part of the base is provided with a second connection hole
- both ends of the connection shaft are provided with threads
- connection shaft passes through the first connection hole and the upper seal washer
- the lower end of the connection shaft passes through the second connection hole and the lower seal washer
- the upper lock nut locks the connection shaft from the upper end
- the lower lock nut locks from the lower end Tightly connect the shaft.
- it further comprises a bidirectional sealing ring
- the second liquid suction hole and the second liquid discharge hole at the bottom of the piston pump body are provided with a first annular groove on the peripheral side, and the first liquid suction hole and the first liquid discharge hole on the upper side of the base are provided with a second annular groove on the peripheral side.
- the upper part of the two-way sealing ring is embedded in the first annular groove, and the lower part of the two-way sealing ring is embedded in the second annular groove.
- a third annular groove is provided on the outer peripheral side of the first annular groove of the piston pump body, a fourth annular groove is provided on the outer peripheral side of the second annular groove of the base, and the upper part of the stator of the rotary electric machine is embedded in the third annular groove.
- the lower part of the stator is embedded in the fourth annular slot;
- it further comprises a rotary electric machine driver and a rotary electric machine driver cavity cover.
- a rotary electric machine driver cavity is provided on one side of the middle portion of the base.
- the rotary electric machine driver is located inside the rotary electric machine driver cavity. The outside of the driver cavity;
- the rotating electrical machine stator is provided with a winding, and the winding is electrically connected with the rotating electrical machine driver.
- it further comprises a monolithic shell and a shell top cover, and the monolithic shell is cylindrical;
- the upper platform of the middle and lower part of the base is provided with a circular step, the bottom of the overall casing is located outside the circular step, and the top cover of the casing is disposed on the top of the overall casing;
- the middle and upper part of the piston pump body, the piston rod and the base are located inside the overall housing.
- it further includes a battery and a power board, a linear motor driver and a charging interface, and the battery and the power board and the linear motor driver are located between the piston pump body and the overall housing;
- the linear motor driver is electrically connected to the battery and the power board; the linear motor driver is electrically connected to the lifting motor stator;
- the charging interface is electrically connected to the battery and the power board, and the charging interface is located on the outside of the overall casing;
- An annular receiving cavity is provided on the outer side of the upper part of the piston pump body, and a stator of the lifting motor is provided in the annular receiving cavity.
- the first liquid suction hole protrudes from the bottom of the base
- the first liquid outlet hole protrudes from a side portion of the base, and a via hole is provided at a portion of the overall housing corresponding to the first liquid outlet hole.
- a bottle-top dispenser comprising a base, a piston pump body and a piston rod, the base is arranged on the bottom of the piston pump body, the piston rod is arranged inside the piston pump body; the base is provided with a first suction A liquid hole and a first liquid discharge hole, a second liquid suction hole and a second liquid discharge hole are provided at the bottom of the piston pump body; a rotating electrical machine stator is embedded on the peripheral side of the base, and a rotating electrical machine is provided on the bottom peripheral side of the piston pump body Rotor; a lift motor stator is provided on the upper peripheral side of the piston pump body, and a linear magnetic pole array composed of N poles, S poles, N poles, and S stages is sequentially stacked in the high direction of the piston rod; The motor rotor drives the piston pump body to rotate to achieve: A.
- the first liquid suction hole and the second liquid suction hole are in a connected state, and the first liquid discharge hole and the second liquid discharge hole are in a closed state; or, B. the first liquid discharge The hole communicates with the second liquid discharge hole, and the first liquid suction hole and the second liquid suction hole are in a closed state; or, C.
- the first liquid suction hole, the second liquid suction hole, the first liquid discharge hole, and the second liquid discharge hole In a closed state; under the action of the lifting motor stator, linear magnetic poles Column driven up and down movement of the piston rod to effect pumping and ejecting.
- FIG. 1 is an exploded view of a bottle-top dispenser of the present invention.
- FIG. 2 is a perspective structural schematic view of a bottle-top dispenser of the present invention.
- FIG. 3 is a perspective structural schematic view of the bottle-top dispenser of the present invention from another perspective.
- Fig. 4 is a sectional view of a bottle-top dispenser of the present invention.
- FIG. 5 is a perspective structural schematic view of the overall housing of a bottle-top dispenser according to the present invention.
- FIG. 6 is a cross-sectional view of a piston pump body of a bottle-top dispenser of the present invention.
- FIG. 7 is a perspective structural schematic view of a piston pump body of a bottle-top dispenser of the present invention.
- FIG. 8 is a perspective structural schematic view of a piston pump body of a bottle-top dispenser of the present invention from another perspective.
- Fig. 9 is a sectional view of a base of a bottle-top dispenser according to the present invention.
- FIG. 11 is a schematic perspective view of the base of a bottle-top dispenser of the present invention from another perspective.
- the invention provides a bottle mouth liquid dispenser.
- a bottle-top dispenser includes a base 1, a piston pump body 2, and a piston rod 3.
- the base 1 is disposed on the bottom of the piston pump body 2, and the piston rod 3 is disposed inside the piston pump body 2.
- the base 1 is provided with a first liquid suction hole 11 and a first liquid discharge hole 12, and the bottom of the piston pump body 2 is provided with a second liquid suction hole 21 and a second liquid discharge hole 22;
- the upper side of the piston pump body 2 is provided with a lifting motor stator 24, and a high-direction piston rod 3 is provided with a linear magnetic pole array 4 (a pair of N-poles and S-poles) formed by stacking N poles, S poles, N poles, and S stages in this order.
- the number of numbers can be 2 pairs, 3 pairs, 4 pairs, 5 pairs, 6 pairs, ... or N pairs, where N is a natural number);
- the linear magnetic pole array drives the piston rod 3 to move up and down to realize pumping and draining.
- the linear magnetic pole array 4 drives the piston rod 3 to move up and down to provide power for pumping and discharging liquid;
- the rotating motor rotor 23 drives the piston pump body 2 to rotate to achieve
- pumping liquid the first liquid suction hole 11 and the second liquid suction hole 21 are in a connected state, the first liquid discharge hole 12 and the second liquid discharge hole 22 are in a closed state, and the liquid is drawn from the container to be pumped; :
- the first liquid discharge hole 12 communicates with the second liquid discharge hole 22, the first liquid suction hole 11 and the second liquid suction hole 21 are in a closed state, and the liquid is discharged to a designated container, and the liquid can be automatically extracted, and the lifting motor can be accurately controlled
- the power of the stator 24 thus accurately controls the amount of liquid drawn.
- state C that is, no liquid pumping action or liquid draining action is performed, the liquid may be stored in the piston pump body 2 or the inside of the piston pump body 2 may be empty.
- the first liquid suction holes 11 and the first liquid discharge holes 12 of the base 1 are distributed at 90 degrees with respect to the center line of the base 1; the second liquid suction holes 21 and the second liquid discharge holes 22 of the piston pump body 2 It is distributed 180 degrees with respect to the center line of the piston pump body 2.
- the initial state it is in the A state: the first liquid suction hole 11 and the second liquid suction hole 21 are in a connected state, and the first liquid discharge hole 12 and the second liquid discharge hole 22 are closed, and liquid can be pumped; 23 drives the piston pump body 2 to rotate 45 degrees to enter the C state: the first liquid suction hole 11, the second liquid suction hole 21, the first liquid discharge hole 12, and the second liquid discharge hole 22 are in a closed state and enter the liquid storage or empty State; the rotary motor rotor 23 drives the piston pump body 2 to rotate 45 degrees (to 90 degrees), and enters the B state: the first liquid discharge hole 12 communicates with the second liquid discharge hole 22, and the first liquid suction hole 11 and the second liquid suction The hole 21 is in a closed state and enters a liquid discharging state.
- the piston rod 3 includes a pump rod 31 and a pump rod head 32;
- the upper part of the pump rod 31 is opened, the inside of the pump rod 31 is hollow, and the bottom of the pump rod 31 is closed;
- the linear magnetic pole array 4 is filled in the hollow portion of the pump rod 31, and the linear magnetic pole array 4 is plastic-encapsulated inside the pump rod 31;
- the pump rod head 32 is provided at an upper end portion of the pump rod 31.
- This embodiment further includes a magnetic scale 20 and a position sensor 30.
- the position sensor 30 is connected to the side of the magnetic scale 20, and the top of the magnetic scale 20 is connected to the pump rod head 32;
- the position sensor 30 is provided on one side of the pump rod 31.
- connection shaft 5 an upper seal washer 51, an upper lock nut 52, a lower seal washer 53, and a lower lock nut 54;
- the middle portion of the bottom of the piston pump body 2 is provided with a first connection hole 25, the middle portion of the upper portion of the base 1 is provided with a second connection hole 15, and both ends of the connection shaft 5 are provided with threads;
- connection shaft 5 passes through the first connection hole 25 and the upper seal washer 51, the lower end of the connection shaft 5 passes through the second connection hole 15 and the lower seal washer 53, and the upper lock nut 52 locks the connection shaft 5 from the upper end
- the lower lock nut 54 locks the connecting shaft 5 from the lower end.
- a bidirectional sealing ring 6 is further included;
- a first annular groove 27 is provided on the peripheral side of the second liquid suction hole 21 and the second liquid discharge hole 22 at the bottom of the piston pump body 2, and the first liquid suction hole 11 and the first liquid discharge hole in the upper part of the base 1 are around the periphery.
- a second annular groove 16 is provided on the side, an upper portion of the two-way sealing ring 6 is embedded in the first annular groove 27, and a lower portion of the two-way sealing ring 6 is embedded in the second annular groove 16.
- a third annular groove 28 is provided on the outer peripheral side of the first annular groove 27 of the piston pump body 2, and a fourth annular groove 17 is provided on the outer peripheral side of the second annular groove 16 of the base 1.
- the upper part is embedded in the third annular groove 28, and the lower part of the rotary electric machine stator 13 is embedded in the fourth annular groove 17;
- the outer circumferential side of the third annular groove 28 is a rotary electric machine rotor 23.
- the upper surface of the middle and lower part of the base 1 is provided with a circular step 101, the bottom of the overall casing 8 is located outside the circular step 101, and the casing top cover 9 is disposed on the top of the overall casing 8;
- the middle and upper part of the piston pump body 2, the piston rod 3 and the base 1 are located inside the integral housing 8.
- the linear motor driver 50 is electrically connected to the battery and the power board 40; the linear motor driver 50 is electrically connected to the elevator motor stator 24;
- the charging interface 60 is electrically connected to the battery and the power board 40, and the charging interface 60 is located outside the overall housing 8;
- An annular receiving cavity 29 is provided on the outer side of the upper portion of the piston pump body 2, and the elevator motor stator 24 is provided in the annular receiving cavity 29.
- the first liquid suction hole 11 protrudes from the bottom of the base 1;
- the first liquid outlet hole 12 protrudes from the side of the base 1, and a via hole 81 is provided at a portion of the overall housing 8 corresponding to the first liquid outlet hole 12.
- the bottle-top dispenser is most commonly used in a laboratory; it can perform an accurate, highly repeatable automatic dispensing operation.
- the present invention is not limited to the above embodiments, and the technical solutions of the foregoing embodiments of the present invention can be cross-combined with each other to form a new technical solution.
- any technical solution formed by equivalent replacement falls within the protection scope claimed by the present invention. .
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Abstract
一种瓶口分液器，包括底座（1）、活塞泵体（2）和活塞杆（3）；底座（1）设置有第一吸液孔（11）和第一出液孔（12），活塞泵体（2）的底部设置有第二吸液孔（21）和第二出液孔（22）；底座（1）的周侧嵌设有旋转电机定子（13），活塞泵体（2）的底部周侧设置有旋转电机转子（23）；活塞泵体（2）的上部周侧设置有升降电机定子（24），活塞杆（3）的高方向设置有N极、S极、N极和S级依次叠加构成的直线磁极阵列（4）；在升降电机定子（24）的作用下，直线磁极阵列（4）带动活塞杆（3）上下运动以实现抽液和排液；在旋转电机定子（13）的作用下，旋转电机转子（23）带动活塞泵体（2）转动以实现抽液时从待抽取的容器内抽取液体，排液时向指定的容器排出液体，可以自动进行液体抽取，可以精确控制升降电机定子（24）的功率，从而精确的控制液体抽取量。
Description
本发明涉及液体处理技术领域，具体涉及一种瓶口分液器。
液体的取用被广泛用于生物领域和化学领域，以及临床医学，工业和商业实验室。
现有技术的吸液/排液需要大量手部重复性劳动，容易造成操作人员手部关节劳损和精神疲劳，精度比较差。
本发明要解决的技术问题是：提供一种瓶口分液器，可以自动进行液体抽取，精度比较高。
一种瓶口分液器，包括底座、活塞泵体和活塞杆，底座设置于活塞泵体的底部，活塞杆设置于活塞泵体的内部，活塞杆与活塞泵体适配；
底座设置有第一吸液孔和第一出液孔，活塞泵体的底部设置有第二吸液孔和第二出液孔；
底座的周侧嵌设有旋转电机定子，活塞泵体的底部周侧设置有旋转电机转子；
活塞泵体的上部周侧设置有升降电机定子，活塞杆的高方向设置有N极、S极、N极和S级依次叠加构成的直线磁极阵列；
在升降电机定子的作用下，直线磁极阵列带动活塞杆上下运动以实现抽液和排液；
在旋转电机定子的作用下，旋转电机转子带动活塞泵体转动以实现：A.第一吸液孔与第二吸液孔处于连通状态，第一出液孔和第二出液孔处于封闭状态；或，B.第一出液孔连通第二出液孔，第一吸液孔与第二吸液孔处于封闭状态；或，C. 第一吸液孔、第二吸液孔、第一出液孔和第二出液孔处于封闭状态。
优选的，活塞杆包括泵杆和泵杆头；
泵杆的上部开口，泵杆的内部中空，泵杆的底部封闭；
直线磁极阵列填入泵杆的中空部，直线磁极阵列塑封在泵杆的内部；
泵杆头设置在泵杆的上端部。
优选的，还包括磁栅尺和位置传感器，位置传感器连接在磁栅尺的侧部，磁栅尺的顶部连接泵杆头；
位置传感器设置在泵杆的一侧。
优选的，还包括连接轴、上密封垫片、上锁紧螺母、下密封垫片和下锁紧螺母；
活塞泵体的底部的中部设置有第一连接孔，底座的上部的中部设置有第二连接孔，连接轴的两端设置有螺纹；
连接轴的上端穿过第一连接孔和上密封垫片，连接轴的下端穿过第二连接孔和下密封垫片，上锁紧螺母从上端锁紧连接轴，下锁紧螺母从下端锁紧连接轴。
优选的，还包括双向密封环；
活塞泵体的底部的第二吸液孔和第二出液孔的周侧设置有第一环形槽，底座的上部的第一吸液孔和第一出液孔周侧设置有第二环形槽，双向密封环的上部嵌入第一环形槽，双向密封环的下部嵌入第二环形槽。
优选的，活塞泵体的第一环形槽的外周侧设置有第三环形槽，底座的第二环形槽的外周侧设置有第四环形槽，旋转电机定子的上部嵌入第三环形槽，旋转电机定子的下部嵌入第四环形槽；
第三环形槽的外周侧为旋转电机转子。
优选的，还包括旋转电机驱动器和旋转电机驱动器腔体盖，底座的中部的一侧设置有旋转电机驱动器腔体，旋转电机驱动器位于旋转电机驱动器腔体内，旋转电机驱动器腔体盖安装于旋转电机驱动器腔体的外侧；
旋转电机定子设置有绕线，绕线与旋转电机驱动器电连接。
优选的，还包括整体外壳和外壳顶盖，整体外壳呈圆筒状；
底座的中下部的上台面设置有环形台阶，整体外壳的底部坐落在环形台阶的外侧，外壳顶盖设置于整体外壳的顶部；
活塞泵体、活塞杆和底座的中上部位于整体外壳的内部。
优选的，还包括电池及电源板、直线电机驱动器和充电接口，电池及电源板、直线电机驱动器位于活塞泵体与整体外壳之间；
直线电机驱动器电连接电池及电源板；直线电机驱动器电连接升降电机定子；
充电接口电连接电池及电源板，充电接口位于整体外壳的外侧；
活塞泵体的上部的外侧设置有环形容纳腔，升降电机定子设置于环形容纳腔。
优选的，第一吸液孔从底座的底部伸出；
第一出液孔从底座的侧部伸出，整体外壳与第一出液孔对应的部位设置有过孔。
本发明的有益效果是：一种瓶口分液器，包括底座、活塞泵体和活塞杆，底座设置于活塞泵体的底部，活塞杆设置于活塞泵体的内部；底座设置有第一吸液孔和第一出液孔，活塞泵体的底部设置有第二吸液孔和第二出液孔；底座的周侧嵌设有旋转电机定子，活塞泵体的底部周侧设置有旋转电机转子；活塞泵体的上部周侧设置有升降电机定子，活塞杆的高方向设置有N极、S极、N极和S级依次叠加构成的直线磁极阵列；在旋转电机定子的作用下，旋转电机转子带动活塞泵体转动以实现：A.第一吸液孔与第二吸液孔处于连通状态，第一出液孔和第二出液孔处于封闭状态；或，B.第一出液孔连通第二出液孔，第一吸液孔与第二吸液孔处于封闭状态；或，C. 第一吸液孔、第二吸液孔、第一出液孔和第二出液孔处于封闭状态；在升降电机定子的作用下，直线磁极阵列带动活塞杆上下运动以实现抽液和排液。在升降电机定子的作用下，直线磁极阵列带动活塞杆上下运动以实现抽液和排液；在旋转电机定子的作用下，旋转电机转子带动活塞泵体转动以实现抽液时：第一吸液孔与第二吸液孔处于连通状态，第一出液孔和第二出液孔处于封闭状态，从待抽取的容器内抽取液体；排液时：第一出液孔连通第二出液孔，第一吸液孔与第二吸液孔处于封闭状态，向指定的容器排出液体，可以自动进行液体抽取，可以精确控制升降电机定子的功率，从而精确的控制液体抽取量。
下面结合附图对本发明的瓶口分液器作进一步说明。
图1是本发明一种瓶口分液器的爆炸图。
图2是本发明一种瓶口分液器的一个视角的立体结构示意图。
图3是本发明一种瓶口分液器的另一个视角的立体结构示意图。
图4是本发明一种瓶口分液器的剖视图。
图5是本发明一种瓶口分液器的整体外壳的一个视角的立体结构示意图。
图6是本发明一种瓶口分液器的活塞泵体的剖视图。
图7是本发明一种瓶口分液器的活塞泵体的一个视角的立体结构示意图。
图8是本发明一种瓶口分液器的活塞泵体的另一个视角的立体结构示意图。
图9是本发明一种瓶口分液器的底座的剖视图。
图10是本发明一种瓶口分液器的底座的一个视角的立体结构示意图。
图11是本发明一种瓶口分液器的底座的另一个视角的立体结构示意图。
图中：
1-底座；11-第一吸液孔；12-第一出液孔；13-旋转电机定子；15-第二连接孔；16-第二环形槽；17-第四环形槽；18-旋转电机驱动器腔体盖；19-旋转电机驱动器腔体；101-环形台阶；2-活塞泵体；21-第二吸液孔；22-第二出液孔；23-旋转电机转子；24-升降电机定子；25-第一连接孔；27-第一环形槽；28-第三环形槽；29-环形容纳腔；3-活塞杆；31-泵杆；32-泵杆头；4-直线磁极阵列；5-连接轴；51-上密封垫片；52-上锁紧螺母；53-下密封垫片；54-下锁紧螺母；6-双向密封环；7-旋转电机驱动器；8-整体外壳；81-过孔；9-外壳顶盖；40-电池及电源板；20-磁栅尺；30-位置传感器；50-直线电机驱动器；60-充电接口；70-量程显示屏。
下面结合附图1~11并通过具体实施方式来进一步说明本发明的技术方案。
本发明提供了一种瓶口分液器。
一种瓶口分液器，包括底座1、活塞泵体2和活塞杆3，底座1设置于活塞泵体2的底部，活塞杆3设置于活塞泵体2的内部；
底座1设置有第一吸液孔11和第一出液孔12，活塞泵体2的底部设置有第二吸液孔21和第二出液孔22；
底座1的周侧嵌设有旋转电机定子13，活塞泵体2的底部周侧设置有旋转电机转子23；
活塞泵体2的上部周侧设置有升降电机定子24，活塞杆3的高方向设置有N极、S极、N极和S级依次叠加构成的直线磁极阵列4（N极和S级的对数的数量可以是2对、3对、4对、5对、6对、……或N对，N为自然数）；
在旋转电机定子13的作用下，旋转电机转子23带动活塞泵体2转动以实现：A.第一吸液孔11与第二吸液孔21处于连通状态，第一出液孔12和第二出液孔22处于封闭状态；或，B.第一出液孔12连通第二出液孔22，第一吸液孔11与第二吸液孔21处于封闭状态；或，C. 第一吸液孔11、第二吸液孔21、第一出液孔12和第二出液孔22处于封闭状态；
在升降电机定子24的作用下，直线磁极阵列带动活塞杆3上下运动以实现抽液和排液。
在升降电机定子24的作用下，直线磁极阵列4带动活塞杆3上下运动以提供抽取液体和排出液体的动力；在旋转电机定子24的作用下，旋转电机转子23带动活塞泵体2转动以实现抽液时：第一吸液孔11与第二吸液孔21处于连通状态，第一出液孔12和第二出液孔22处于封闭状态，从待抽取的容器内抽取液体；排液时：第一出液孔12连通第二出液孔22，第一吸液孔11与第二吸液孔21处于封闭状态，向指定的容器排出液体，可以自动进行液体抽取，可以精确控制升降电机定子24的功率，从而精确的控制液体抽取量。C种状态，即不进行抽液动作，也不进行排液动作，可能活塞泵体2内已经储存有液体或活塞泵体2内部是空的。
本实施例中，底座1的第一吸液孔11和第一出液孔12相对底座1的中心线成90度分布；活塞泵体2的第二吸液孔21和第二出液孔22相对活塞泵体2的中心线呈180度分布。
初始状态下，为A状态：第一吸液孔11与第二吸液孔21处于连通状态，第一出液孔12和第二出液孔22处于封闭状态，可以进行抽液；旋转电机转子23带动活塞泵体2转动45度，进入C状态：第一吸液孔11、第二吸液孔21、第一出液孔12和第二出液孔22处于封闭状态，进入储液或空置状态；旋转电机转子23带动活塞泵体2再转动45度（到90度），进入B状态：第一出液孔12连通第二出液孔22，第一吸液孔11与第二吸液孔21处于封闭状态，进入排液状态。
本实施例中，活塞杆3包括泵杆31和泵杆头32；
泵杆31的上部开口，泵杆31的内部中空，泵杆31的底部封闭；
直线磁极阵列4填入泵杆31的中空部，直线磁极阵列4塑封在泵杆31的内部；
泵杆头32设置在泵杆31的上端部。
本实施例中，还包括磁栅尺20和位置传感器30，位置传感器30连接在磁栅尺20的侧部，磁栅尺20的顶部连接泵杆头32；
位置传感器30设置在泵杆31的一侧。
本实施例中，还包括连接轴5、上密封垫片51、上锁紧螺母52、下密封垫片53和下锁紧螺母54；
活塞泵体2的底部的中部设置有第一连接孔25，底座1的上部的中部设置有第二连接孔15，连接轴5的两端设置有螺纹；
连接轴5的上端穿过第一连接孔25和上密封垫片51，连接轴5的下端穿过第二连接孔15和下密封垫片53，上锁紧螺母52从上端锁紧连接轴5，下锁紧螺母54从下端锁紧连接轴5。
本实施例中，还包括双向密封环6；
活塞泵体2的底部的第二吸液孔21和第二出液孔22的周侧设置有第一环形槽27，底座1的上部的第一吸液孔11和第一出液孔12周侧设置有第二环形槽16，双向密封环6的上部嵌入第一环形槽27，双向密封环6的下部嵌入第二环形槽16。
本实施例中，活塞泵体2的第一环形槽27的外周侧设置有第三环形槽28，底座1的第二环形槽16的外周侧设置有第四环形槽17，旋转电机定子13的上部嵌入第三环形槽28，旋转电机定子13的下部嵌入第四环形槽17；
第三环形槽28的外周侧为旋转电机转子23。
本实施例中，还包括旋转电机驱动器7和旋转电机驱动器腔体盖18，底座1的中部的一侧设置有旋转电机驱动器腔体19，旋转电机驱动器7位于旋转电机驱动器腔体19内，旋转电机驱动器腔体盖18安装于旋转电机驱动器腔体19的外侧；
旋转电机定子13设置有绕线，绕线与旋转电机驱动器7电连接。
本实施例中，还包括整体外壳8和外壳顶盖9，整体外壳8呈圆筒状；
底座1的中下部的上台面设置有环形台阶101，整体外壳8的底部坐落在环形台阶101的外侧，外壳顶盖9设置于整体外壳8的顶部；
活塞泵体2、活塞杆3和底座1的中上部位于整体外壳8的内部。
本实施例中，还包括电池及电源板40、直线电机驱动器50和充电接口60，电池及电源板40、直线电机驱动器50位于活塞泵体2与整体外壳8之间；
直线电机驱动器50电连接电池及电源板40；直线电机驱动器50电连接升降电机定子24；
充电接口60电连接电池及电源板40，充电接口60位于整体外壳8的外侧；
活塞泵体2的上部的外侧设置有环形容纳腔29，升降电机定子24设置于环形容纳腔29。
本实施例中，第一吸液孔11从底座1的底部伸出；
第一出液孔12从底座1的侧部伸出，整体外壳8与第一出液孔12对应的部位设置有过孔81。
本实施例中，还包括量程显示屏70，量程显示屏70位于外壳顶盖9的顶部，量程显示屏70与磁栅尺20电连接。
本实施例中，瓶口分液器在实验室应用最常见；能够进行精确的、高重复性的自动分液操作。
本实施例中，将直线驱动电机的定子和可动式磁极阵列分别融入活塞泵体和活塞杆中，使得可以精确控制活塞杆抽液动作的抽取量；将旋转式电机的定子和转子分别融入底座（设置有入液口和排液口）和活塞泵体，通过控制旋转式电机，控制活塞泵体的储液空间与入液口或排液口连通，从而可以控制活塞泵体进行抽液、排液或储液。将旋转电机驱动器、直线驱动电机的驱动器、控制器、磁栅尺、读数头等多个结构融入成一体的结构，做成自动化的瓶口分液器总成，体积和重量小，结构紧密。旋转式电机作旋转运动时，配合阀体（底座）的转动角度：在零度时为排液状态、在45度时为密封状态（不排液也不抽液）、90度时为抽液状态。
本实施例中，具有自动一次吸液，多次排液优点，避免操作人员手部劳损，不浪费试剂，控制精度高，给操作人员和实验环境提供了安全保证。
对本领域的技术人员来说，可根据以上描述的技术方案以及构思，做出其它各种相应的改变以及形变，而所有的这些改变以及形变都应该属于本发明权利要求的保护范围之内。
需要说明的是：以上的实施例仅仅是本发明一部分实施例，而不是全部的实施例。实施例和所附权利要求书中所使用的单数形式的“第一”、“第二”、“一种”、“”和“该” 也旨在包括多数形式，除非上下文清楚地表示其他含义。“第一”和“第二”只是为了说明的方便，不表示有先后顺序之分。
本发明的不局限于上述实施例，本发明的上述各个实施例的技术方案彼此可以交叉组合形成新的技术方案，另外凡采用等同替换形成的技术方案，均落在本发明要求的保护范围内。
Claims (10)
- 一种瓶口分液器，其特征在于，包括底座（1）、活塞泵体（2）和活塞杆（3），所述底座（1）设置于所述活塞泵体（2）的底部，所述活塞杆（3）与所述活塞泵体（2）适配；所述底座（1）设置有第一吸液孔（11）和第一出液孔（12），所述活塞泵体（2）的底部设置有第二吸液孔（21）和第二出液孔（22）；所述底座（1）的周侧嵌设有旋转电机定子（13），所述活塞泵体（2）的底部周侧设置有旋转电机转子（23）；所述活塞泵体（2）的上部周侧设置有升降电机定子（24），所述活塞杆（3）的高方向设置有N极、S极、N极和S级依次叠加构成的直线磁极阵列（4）；在所述升降电机定子（24）的作用下，所述直线磁极阵列（4）带动所述活塞杆（3）上下运动以实现抽液和排液；在所述旋转电机定子（13）的作用下，所述旋转电机转子（23）带动所述活塞泵体（2）转动以实现：A.所述第一吸液孔（11）与所述第二吸液孔（21）处于连通状态，所述第一出液孔（12）和所述第二出液孔（22）处于封闭状态；或，B.所述第一出液孔（12）连通所述第二出液孔（22），所述第一吸液孔（11）与所述第二吸液孔（21）处于封闭状态；或，C. 所述第一吸液孔（11）、第二吸液孔（21）、第一出液孔（12）和第二出液孔（22）处于封闭状态。
- 如权利要求1所述瓶口分液器，其特征在于，所述活塞杆（3）包括泵杆（31）和泵杆头（32）；所述泵杆（31）的上部开口，所述泵杆（31）的内部中空，所述泵杆（31）的底部封闭；所述直线磁极阵列（4）填入所述泵杆（31）的中空部，所述直线磁极阵列（4）塑封在所述泵杆（31）的内部；所述泵杆头（32）设置在所述泵杆（31）的上端部。
- 如权利要求2所述瓶口分液器，其特征在于，还包括磁栅尺（20）和位置传感器（30），所述位置传感器（30）连接在所述磁栅尺（20）的侧部，所述磁栅尺（20）的顶部连接所述泵杆头（32）；所述位置传感器（30）设置在所述泵杆（31）的一侧。
- 如权利要求1所述瓶口分液器，其特征在于，还包括连接轴（5）、上密封垫片（51）、上锁紧螺母（52）、下密封垫片（53）和下锁紧螺母（54）；所述活塞泵体（2）的底部的中部设置有第一连接孔（25），所述底座（1）的上部的中部设置有第二连接孔（15），所述连接轴（5）的两端设置有螺纹；所述连接轴（5）的上端穿过所述第一连接孔（25）和上密封垫片（51），所述连接轴（5）的下端穿过所述第二连接孔（15）和下密封垫片（53），所述上锁紧螺母（52）从上端锁紧所述连接轴（5），所述下锁紧螺母（54）从下端锁紧所述连接轴（5）。
- 如权利要求4所述瓶口分液器，其特征在于，还包括双向密封环（6）；所述活塞泵体（2）的底部的第二吸液孔（21）和第二出液孔（22）的周侧设置有第一环形槽（27），所述底座（1）的上部所述的第一吸液孔（11）和第一出液孔（12）周侧设置有第二环形槽（16），所述双向密封环（6）的上部嵌入所述第一环形槽（27），所述双向密封环（6）的下部嵌入所述第二环形槽（16）。
- 如权利要求5所述瓶口分液器，其特征在于，所述活塞泵体（2）的第一环形槽（27）的外周侧设置有第三环形槽（28），所述底座（1）的第二环形槽（16）的外周侧设置有第四环形槽（17），所述旋转电机定子（13）的上部嵌入所述第三环形槽（28），所述旋转电机定子（13）的下部嵌入所述第四环形槽（17）；所述第三环形槽（28）的外周侧为旋转电机转子（23）。
- 如权利要求6所述瓶口分液器，其特征在于，还包括旋转电机驱动器（7）和旋转电机驱动器腔体盖（18），所述底座（1）的中部的一侧设置有旋转电机驱动器腔体（19），所述旋转电机驱动器（7）位于所述旋转电机驱动器腔体（19）内，所述旋转电机驱动器腔体盖（18）安装于所述旋转电机驱动器腔体（19）的外侧；所述旋转电机定子（13）设置有绕线，所述绕线与所述旋转电机驱动器（7）电连接。
- 如权利要求7所述瓶口分液器，其特征在于，还包括整体外壳（8）和外壳顶盖（9），所述整体外壳（8）呈圆筒状；所述底座（1）的中下部的上台面设置有环形台阶（101），所述整体外壳（8）的底部坐落在所述环形台阶（101）的外侧，所述外壳顶盖（9）设置于所述整体外壳（8）的顶部；所述活塞泵体（2）、活塞杆（3）和所述底座（1）的中上部位于所述整体外壳（8）的内部。
- 如权利要求8所述瓶口分液器，其特征在于，还包括电池及电源板（40）、直线电机驱动器（50）和充电接口（60），所述电池及电源板（40）、直线电机驱动器（50）位于所述活塞泵体（2）与所述整体外壳（8）之间；所述直线电机驱动器（50）电连接所述电池及电源板（40）；所述直线电机驱动器（50）电连接所述升降电机定子（24）；所述充电接口（60）电连接所述电池及电源板（40），所述充电接口（60）位于所述整体外壳（8）的外侧；所述活塞泵体（2）的上部的外侧设置有环形容纳腔（29），所述升降电机定子（24）设置于所述环形容纳腔（29）。
- 如权利要求8所述瓶口分液器，其特征在于，所述第一吸液孔（11）从所述底座（1）的底部伸出；所述第一出液孔（12）从所述底座（1）的侧部伸出，所述整体外壳（8）与所述第一出液孔（12）对应的部位设置有过孔（81）。
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| EP0511124A1 (fr) * | 1991-04-09 | 1992-10-28 | Eaton S.A.M. | Pompe vibrante à rendement amélioré |
| CN101012988A (zh) * | 2007-01-07 | 2007-08-08 | 宁波日月制冷设备有限公司 | 分液器 |
| CN103626109A (zh) * | 2012-08-20 | 2014-03-12 | 扬州市新浪日化科技有限公司 | 一种分液器 |
| CN106762509A (zh) * | 2017-02-07 | 2017-05-31 | 筱净（上海）生物科技有限公司 | 液体泵和液体投放系统 |
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