WO2016197968A1 - 一种初始定位装置、容器和方法 - Google Patents

一种初始定位装置、容器和方法 Download PDF

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Publication number
WO2016197968A1
WO2016197968A1 PCT/CN2016/085392 CN2016085392W WO2016197968A1 WO 2016197968 A1 WO2016197968 A1 WO 2016197968A1 CN 2016085392 W CN2016085392 W CN 2016085392W WO 2016197968 A1 WO2016197968 A1 WO 2016197968A1
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WO
WIPO (PCT)
Prior art keywords
metering
channel
return
passage
container
Prior art date
Application number
PCT/CN2016/085392
Other languages
English (en)
French (fr)
Inventor
陈增新
Original Assignee
北京红海科技开发有限公司
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
Priority claimed from CN201510317360.9A external-priority patent/CN105236025B/zh
Priority claimed from CN201520399410.8U external-priority patent/CN205150711U/zh
Application filed by 北京红海科技开发有限公司 filed Critical 北京红海科技开发有限公司
Priority to CN201680033812.3A priority Critical patent/CN108137211B/zh
Priority to US15/735,184 priority patent/US10260926B2/en
Publication of WO2016197968A1 publication Critical patent/WO2016197968A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
    • G01F11/36—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rectilinearly-moved slide type
    • G01F11/38—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rectilinearly-moved slide type for liquid or semiliquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/54—Inspection openings or windows
    • B65D25/56—Inspection openings or windows with means for indicating level of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents

Definitions

  • the present invention relates to an initial positioning device, container and method, and more particularly to an initial positioning device for a self-metering container and a container using such an initial positioning device and a method for initial positioning.
  • the self-metering function when used for metering, it is affected by factors such as the operating force, the operating speed, the volume of the liquid in the container body, the volume of the gas in the pressure-changing member, and the like, and the initial position of the liquid in the metering channel is difficult to fix.
  • the initial position of the measurement cannot be fixed, which not only interferes with the measurement accuracy, but also affects the convenience of operation.
  • accidents may occur during metering and the liquid is drawn into the transformer unit. This not only damages the transformer components, but also contaminates the liquid. These have hindered the widespread use of containers with self-metering capabilities.
  • smart kitchens, cooking robots, etc. have also put forward more accurate requirements for the metering of edible oils, liquid salts, soy sauce, vinegar, etc.; people have not found a suitable liquid metering method.
  • the present invention provides a self-metering container, including a container body, a pressure transforming component, a metering channel, and an outflow channel;
  • the self-metering container further includes an initial positioning device
  • the initial positioning device includes a return chamber, a return passage, and a component that can close the return passage;
  • the return chamber communicates with the transformer member and the metering passage initial end;
  • the metering channel initial end is higher than the bottom of the return chamber
  • the return passage communicates with the bottom of the return chamber and the container body.
  • the initial positioning device collects the liquid exceeding the initial position of the metering channel into the return chamber when the pressure-changing member is decompressed; when the liquid is taken up by pressure, the liquid in the metering channel is taken out, and the liquid in the return chamber does not re-enter the metering. Channel, metering from the initial position, metering or limited access is accurate and convenient.
  • the return passage is opened, and the liquid in the return chamber flows back to the container body without being wasted, oxidized or contaminated by the outside air; when the pressure-reducing member is decompressed again,
  • the liquid can be re-determined in the metering channel at the initial position and metered or limited during pressurization.
  • the self-measuring container has a simple structure, can be mass-produced, can reduce the production cost, and can realize convenient, quick and accurate removal of the contents during use.
  • the liquid in the metering passage can be prevented from being accidentally sucked into the pressure-changing member; and the gas in the metering passage can be prevented from accurately measuring the interference.
  • the self-metering container overcomes the drawbacks of the prior art metering container and can be used in the fields of liquid containers, measuring tools, smart kitchen systems, cooking robots and the like.
  • the component can be connected to a knob or handle located outside the container.
  • the operator can manually close the return channel by connecting a knob or handle that is located outside the container. This can ensure that the structure of the initial positioning device is simple, the return flow channel is completely closed, and the leakage of the return passage is prevented, resulting in dysfunction when the liquid is taken.
  • the outer diameter of the initial end of the metering channel is reduced.
  • the outer diameter of the initial end is reduced, which can reduce the volume of liquid protruding from the initial end of the metering channel due to the surface tension, and reduce the measurement error caused by the difference in the strength of each operation.
  • a spherical device suspended from the metering channel initial Above the end.
  • the spherical device is arranged to cover the upper end of the metering channel, which can prevent the liquid from rushing into the pressure-changing component during decompression, and can also produce an elegant water curtain after the liquid is ejected, so that the operator can observe whether the liquid exceeds the initial end of the metering channel, and whether Carry out the next step of pressure removal.
  • an indicator groove may be provided at a position slightly lower outside the initial end of the metering channel.
  • the liquid flows out of the initial end of the metering channel, it will store a little in the initial opening of the metering channel.
  • the operator can judge whether the liquid flows out of the initial end of the metering channel by observing whether there is liquid in the indicating tank, and whether the pressure can be started. .
  • the shaking of the container during use causes the liquid in the indicating tank to flow into the bottom of the return chamber.
  • the component may be a combination of valves disposed in the return passage that is closed when the pressure-variable component is pressurized or depressurized, and opened when there is no pressure change.
  • the valves in the return passage it is possible to ensure that the pressure-changing member is pressurized, that the return passage does not leak when the pressure is reduced, and that the liquid in the return chamber is returned to the container body when there is no pressure change.
  • the liquid in the reflux chamber is automatically recirculated, which improves the convenience of use.
  • such a valve combination can be a two-way valve that is connected in reverse series. Further, the one-way valve near the return chamber is closed during depressurization; the other one-way valve is closed upon pressurization. Further, a liquid storage chamber is disposed between the two one-way valves.
  • the valve uses a common one-way valve to improve the adaptability of the initial positioning device; the one-way valve close to the return chamber is closed during decompression, and the space in the return chamber and the return passage is limited, which is beneficial to the liquid in the metering channel. Reflux.
  • the liquid storage chamber is arranged between the two one-way valves, and the volume of the return chamber can be appropriately reduced, which helps to improve the sensitivity of the change of the liquid position in the metering channel during the pressure transformation.
  • valve assembly may include a spool that is reciprocally movable within the valve body; the upstream end of the spool is provided with an intermediate passage that leads to a groove on the outer side of the spool; the upstream end of the intermediate passage passes The return passage communicates with the return chamber, and the downstream end leads to the outside of the valve through a groove on the outer side of the spool.
  • This combination of valves can be cost effective and seal better, helping to increase the sensitivity of changes in liquid position in the metering channel during pressure swing.
  • valve combination may be comprised of two openings disposed in sequence within the return passage and a movable member intermediate the two openings.
  • the valve combination is simple in structure, small in size and low in cost.
  • the movable component is a sheet or a small ball. The sealing effect of the sheet or the ball in this valve combination is better.
  • the pressure-variable component, initial positioning device, metering channel, The outflow passage or the like is mounted on the top cover.
  • the above components are mounted on the top cover to avoid leakage when the channel is installed on the container body, and the related components are simple to assemble, convenient for packaging and transportation, and convenient for cleaning after use.
  • the invention also provides an initial positioning device comprising a return chamber, a return passage and a component that can close the return passage;
  • the return chamber communicates with the transformer member and the metering passage initial end;
  • the metering channel initial end is higher than the bottom of the return chamber
  • the return chamber opens into the container body through the return passage.
  • the initial positioning device has a simple structure, can make the self-metering container easy to use, accurate in measurement, can prevent the liquid in the metering channel from being accidentally sucked into the pressure-changing component, and can also prevent the gas in the metering channel from accurately measuring the interference, and overcomes the present There are various drawbacks of measuring containers.
  • the invention also provides an initial positioning method for a self-metering container, comprising the following steps:
  • the return channel is opened to return the contents of the recirculation chamber to the container body.
  • the initial positioning method is simple in operation, convenient in use and accurate in measurement, and is suitable for daily use of ordinary residents, and is also suitable for scientific measurement and precision measurement. Manually opening the return channel allows the return channel to seal better when closed, with higher sensitivity for pressurization and decompression.
  • the invention also provides another initial positioning method for the self-metering container, comprising the following steps:
  • the pressure-changing component decompresses the inside of the return chamber, causing the return passage between the bottom of the return chamber and the container body to be closed, thereby causing the contents of the container body to enter the metering passage;
  • the automatic opening of the return channel and the removal step fit together to make the operation more convenient.
  • FIG. 1 is a schematic structural view of a self-metering container according to Embodiment 1;
  • Figure 2 is a partial enlarged view of A of Figure 1;
  • Figure 3 is a partial enlarged view of B of Figure 1;
  • FIG. 4 is a schematic structural view of a self-metering container according to Embodiment 2;
  • Figure 5 is a partial enlarged view of the portion C of Figure 4.
  • FIG. 6 is a schematic structural view of a self-metering container according to Embodiment 3.
  • Figure 7 is a partial enlarged view of the portion D of Figure 6;
  • FIG. 8 is a schematic structural view of a self-metering container according to Embodiment 4.
  • Figure 9 is a partial enlarged view of E at Figure 8.
  • a container according to embodiment 1 using the initial positioning system of the present invention includes a container body 1 having a filling port on the upper portion thereof, and the filling port is sealed by a one-way valve 20 after filling the contents.
  • the one-way valve 20 only allows gas to enter the interior of the container body 1.
  • An opening of the outflow channel 12 and the pressure changing channel 4 is reserved at the top of the container body 1.
  • the pressure transforming member is a member capable of pressurizing and depressurizing the inside of the return chamber 6, and includes the airbag 3 and the pressure changing passage 4.
  • the pressure-variable passage 4 passes through the top of the container body 1 to communicate with the return chamber 6 surrounded by the outer casing 5.
  • the initial end 7 of the metering channel 8 projects into the interior of the return chamber 6 and above the bottom of the return chamber 6.
  • An annular groove 19 is provided at a position where the outer circumference of the initial end 7 of the metering passage 8 is slightly lower. When the contents exceed the initial end 7 of the metering channel 8, the contents are trapped in the annular groove 19 to indicate that the initial liquid level has been positioned, and the contents can be pressurized.
  • the return passage 9 communicates with the bottom of the return chamber 6 and the container body 1.
  • a valve assembly 10 of simple structure and low cost is provided.
  • the valve assembly 10 includes an upper opening 103 and a lower opening 104 which are left by the frame 101, the frame 101, a torsion spring 105 fixed to the frame 101, and a blocking piece 102 mounted on the torsion spring 105.
  • the shutter 102 can block the upper opening 103 when the pressure is reduced in the return chamber 6, and can block the lower opening 104 when pressurized in the return chamber 6.
  • the torsion spring can position the flap 102 in the middle position, and the upper opening 103 and the lower opening 104 are both open.
  • the lower end of the metering passage 8 is connected with a control valve composed of a valve body 13 and a spool 14, and a valve
  • the intermediate passages 15 in the core 14 are in communication.
  • the valve body 13 of the control valve is connected to three pipes: a liquid take-out passage 11, an outflow passage 12, and a metering passage 8.
  • the liquid take-up passage 11 leads to the bottom of the container body 1.
  • the valve body 14 of the control valve is located in the inner cavity of the valve body 13, and can slide up and down in the cavity, but the outer peripheral side of the valve body 14 and the inner wall of the valve body 13 are fluid-tight.
  • the spool 14 has an intermediate passage 15 therein, and the intermediate passage 15 has an opening 161 and an opening 171 on the outer peripheral side of the spool.
  • An opening 162 and an opening 172 are provided in the valve body.
  • the opening 162 communicates with the outflow passage 12, and the opening 172 communicates with the liquid take-out passage 11.
  • the opening 161 and the opening 162 have three different communication relationships: only the opening 161 is in communication with the opening 162; the opening 161 and the opening 162 There is no communication between the opening 171 and the opening 172 (as shown in FIG. 1); only the opening 171 is in communication with the opening 172.
  • Springs are respectively mounted on both ends of the cavity 11, and the spring enables the valve body 14 to be in a position where there is no communication between the opening 161 and the opening 162 and between the opening 171 and the opening 172 without external pressure.
  • a pressure relief port 18 is provided at the lower end of the valve body 13, and the pressure relief port 18 opens into the container body 1.
  • the outflow end of the outflow channel 12 projects beyond the container body 1.
  • the steps for taking out the contents of the container from the container are as follows:
  • the blocking piece 102 blocks the opening 103 upward under the action of the negative pressure, and the return passage 9 is disconnected;
  • the valve core 14 moves upward under the action of the negative pressure, and the opening 171 communicates with the opening 172, so that the liquid take-out passage 11 communicates with the metering passage 8 through the intermediate passage 15; the contents enter the metering passage 8 from the container body 1 under the action of the negative pressure.
  • the contents entering the metering channel 8 exceed the initial end 7, it flows into the annular groove 19 and flows into the bottom of the return chamber 6.
  • the airbag 3 When it is necessary to take out, the airbag 3 is squeezed, and the airbag 3 is pressurized into the return chamber 6 through the pressure changing passage 4;
  • the blocking piece 102 blocks the opening 104 downward under positive pressure, and the return passage 9 is disconnected;
  • the spool 14 moves downward under positive pressure, and the opening 161 and the opening 162 communicate, so that The outflow channel 12 communicates with the metering channel 8 through the intermediate channel 15; the contents of the metering channel 8 (from the initial end 7) flow outward from the outflow channel 12 under positive pressure; can be determined according to the scale on the metering channel 8.
  • the outflow has a maximum value, which is the total amount of the contents in the metering channel 8 and the intermediate channel 15 at the upper portion of the horizontal position of the opening 161. This embodiment can achieve the purpose of metering and limited access.
  • the pressurization is stopped, there is no positive pressure in the return chamber 6 and the return passage 9, and the flap 102 is returned to the middle of the valve assembly 10 by the torsion spring 105, and both the opening 103 and the opening 104 are opened.
  • the spool 14 is moved upward by the spring of the lower end of the valve body 13, and the opening 161 and the opening 162, the opening 171 and the opening 172 are both in the open position.
  • the check valve 20 allows the outside air of the container body to enter the inside of the container under external atmospheric pressure until the pressure inside and outside the container body 1 is equal. Due to the presence of the one-way valve 20, only a limited amount of outside air can come into contact with the contents of the container body 1, which reduces the contamination or oxidation of the contents.
  • the container comprises a container body 1, a pressure-changing member composed of the airbag 3 and the pressure-changing passage 4, a recovery chamber 6 surrounded by the chamber wall 5, a metering passage 8 located above the container body 1, the side walls and the bottom, and an outflow passage 12
  • the components include a return channel 9 of two reverse series one-way valves.
  • the return chamber 6 communicates with the pressure changing passage 4, the return passage 9, and the metering passage 8, and the initial end 7 of the metering passage 8 projects into the interior of the return chamber 6, and a spherical device 19 is suspended above.
  • the spherical device 19 can amplify the signal of the contents entering the return chamber 6 for the operator to observe.
  • the metering channel 8 is externally marked with a scale indicating the volume of the metering channel from the initial end 7.
  • the metering passage 8 is mounted with a check valve 11 that allows only the contents of the container body 1 to enter the metering passage 8.
  • a one-way valve 121 that allows only outward flow is installed inside the outflow channel 12.
  • a valve combination consisting of the check valve 101 and the check valve 102 is disposed in the return passage 9 in order from the return chamber 6.
  • the check valve 101 closes the return passage 9 only when it is positively pressurized in the return chamber 6, and the check valve 102 closes the return passage 9 only when the negative pressure in the return chamber 6 is negative.
  • a section of the return passage 9 is spaced between the one-way valve 101 and the check valve 102.
  • the steps for taking out the contents of the container from the container are as follows:
  • the check valve 102 is closed under the action of the negative pressure, the return passage 9 is opened; the check valve 121 is closed under the action of the negative pressure, and the outflow passage 12 is closed; the check valve 11 is opened under the negative pressure, and the contents are under the negative pressure.
  • the container body 1 enters the metering channel 8; when the contents entering the metering channel 8 exceed the initial end 7, the spherical device 19 is impacted, and then flows into the bottom of the return chamber 6.
  • the airbag 3 When it is necessary to take out, the airbag 3 is squeezed, and the airbag 3 is pressurized into the return chamber 6 through the pressure changing passage 4;
  • the check valve 101 is closed under positive pressure, the return passage 9 is opened, the check valve 11 is closed under positive pressure, and the passage between the metering passage 8 and the container body 1 is closed.
  • the one-way valve 121 opens under positive pressure, the outflow passage 12 opens, and the container flows outward.
  • the outflow can be determined from the scale on the metering channel 8. After the required amount is reached, the airbag 3 is stopped and the contents are stopped from flowing outward.
  • This embodiment can achieve the purpose of metering and limited access.
  • a container using the initial positioning system of the present invention according to embodiment 3 is shown.
  • the container as a whole comprises a container body 1 and a top cover 2, and the upper portion of the container body 1 is a top cover 2.
  • the container body 1 accommodates most of the contents.
  • Other components including the transformer member, the initial positioning device, the metering passage 8, the liquid take-up passage 11, the outflow passage 12 valve, and the like are all mounted on the top cover.
  • the top cover 2 also has a check valve 20 that allows only liquid or gas to enter the interior of the container body 1.
  • the pressure transforming member is a member capable of pressurizing and depressurizing the inside of the return chamber 6, and includes the airbag 3 and the pressure changing passage 4.
  • the airbag 3 is located above the top cover 2 and is fixed to the top cover 2 via the pressure changing passage 4.
  • the pressure-variable passage 4 passes through the upper layer of the top cover 2 to communicate with the return chamber 6 which is located inside the top cover 2 and is surrounded by the outer casing 5.
  • the initial end 7 of the metering channel 8 extends into the interior of the return chamber 6 and is higher than the return chamber 6 bottom.
  • the return passage 9 communicates with the bottom of the return chamber 6 and the container body 1.
  • the return passage 9 includes an upstream section 101, an inner section of the valve assembly 10, and a downstream section.
  • the valve assembly 10 has a good sealing performance, including a spool 106 that can reciprocate within the valve body; an upstream passage 104 is provided at the upstream end of the spool, and the intermediate passage 104 leads to a groove 105 on the outer side of the spool 106.
  • the upstream section 101 of the return passage 9 communicates with the intermediate passage 104, and the downstream section leads to the outer side of the spool 106 through the valve body.
  • the upper baffle 102 and the spring 103, the lower baffle 107 and the spring 108 are capable of maintaining the spool 106 in a position to communicate the downstream portion of the trough 105 and the return passage 9 when there is no pressure in the return passage 9.
  • the initial end 7 of the metering channel 8 extends into the return chamber 6, the middle section being a metering section having a metering scale 81, and the end connecting a control valve consisting of the valve body 13 and the spool 14 in communication with the intermediate passage 15 in the spool 14.
  • the valve body 13 of the control valve is connected to three pipes: the liquid intake passage 11, the outflow passage 12, and the end of the metering passage 8.
  • the liquid take-up passage 11 leads to the bottom of the container body 1.
  • the valve body 14 of the control valve is located in the inner cavity of the valve body 13, and can slide up and down in the cavity, but the outer peripheral side of the valve body 14 is fluid-tightly sealed with the valve body 13.
  • the spool 14 has an intermediate passage 15 therein, and the intermediate passage 15 has an opening 161 and an opening 171 on the outer peripheral side of the spool.
  • An opening 162 and an opening 172 are provided in the valve body.
  • the opening 162 communicates with the outflow passage 12, and the opening 172 communicates with the liquid take-out passage 11.
  • the opening 161 and the opening 162 have three different communication relationships: only the opening 161 is in communication with the opening 162; the opening 161 and the opening 162 There is no communication between the opening 171 and the opening 172 (the state shown in FIG. 6); only the opening 171 is in communication with the opening 172.
  • Springs are respectively mounted on both ends of the cavity 11, and the spring enables the valve body 14 to be in a position where there is no communication between the opening 161 and the opening 162 and between the opening 171 and the opening 172 without external pressure.
  • a pressure relief port 18 is provided at the lower end of the valve body 13, and the pressure relief port 18 opens into the container body 1.
  • the outflow end of the outflow channel 12 projects beyond the top cover 2.
  • the steps for taking out the contents of the container from the container are as follows:
  • valve core 106 of the valve assembly 10 moves upward, and the groove 105 and the downstream section of the return passage 9 are disconnected;
  • the control valve spool 14 moves upward under the action of the negative pressure, and the opening 171 communicates with the opening 172, so that the liquid intake passage 11 communicates with the metering passage 8 through the intermediate passage 15;
  • the metering channel 8 is introduced from the container body 1 under a negative pressure; when the contents entering the metering channel 8 exceed the initial end 7, it flows into the bottom of the return chamber 6.
  • the airbag 3 When it is necessary to take out, the airbag 3 is squeezed, and the airbag 3 is pressurized into the return chamber 6 through the pressure changing passage 4;
  • valve core 106 of the valve assembly 10 moves downward, and the groove 105 and the downstream section of the return passage 9 are disconnected;
  • the spool 14 of the control valve moves downward under positive pressure, and the opening 161 communicates with the opening 162 such that the outflow passage 12 communicates with the metering passage 8 through the intermediate passage 15; the contents in the metering passage 8 (from the initial end 7 It flows out from the outflow channel 12 under positive pressure; the outflow can be determined according to the scale on the metering channel 8.
  • the outflow has a maximum value, which is the total amount of the contents in the metering channel 8 and the intermediate channel 15 at the upper portion of the horizontal position of the opening 161. This embodiment can also achieve the purpose of metering and limited access.
  • the pressurization is stopped, and there is no positive pressure in the return chamber 6 and the return passage 9, and the valve core 106 in the valve assembly 10 moves upward, and the groove 105 and the downstream portion of the return passage 9 communicate.
  • the valve spool 14 in the control valve is moved upward by the spring of the lower end of the valve body 13, and the opening 161 and the opening 162, the opening 171 and the opening 172 are both in the open position.
  • a container using the initial positioning system of the present invention according to Embodiment 4 is shown.
  • the container as a whole comprises a container body 1 and a top cover 2, and the upper portion of the container body 1 is a top cover 2.
  • the container body 1 accommodates most of the contents.
  • Other components including the transformer member, the initial positioning device, the metering passage 8, the liquid take-up passage 11, the outflow passage 12 valve, and the like are all mounted on the top cover.
  • the top cover 2 also has a check valve 20 that allows only liquid or gas to enter the interior of the container body 1.
  • the pressure transforming member is a member capable of pressurizing and depressurizing the inside of the return chamber 6, and includes the airbag 3 and the pressure changing passage 4.
  • the airbag 3 is located above the top cover 2 and is fixed to the top cover 2 via the pressure changing passage 4.
  • the pressure-variable passage 4 passes through the upper layer of the top cover 2 to communicate with the return chamber 6 which is located inside the top cover 2 and is surrounded by the outer casing 5.
  • the initial end 7 of the metering channel 8 projects into the interior of the return chamber 6 and above the bottom of the return chamber 6.
  • the return passage 9 communicates with the bottom of the return chamber 6 and the container body 1.
  • a valve 103 is disposed in the return passage 9. The valve 103 is connected to the knob 101 outside the top cover 2 via a connecting rod 102.
  • the initial end 7 of the metering channel 8 extends into the return chamber 6, the middle section being a metering section having a metering scale 81, the end being connected to the liquid withdrawal channel 11 and the outflow channel 12.
  • the liquid take-out passage 11 leads to the bottom of the container body 1, and a one-way valve 111 that allows only the contents to flow upward is provided.
  • the outflow passage 12 leads to the outside of the top cover 2, and a one-way valve 121 is provided which only allows the liquid to flow outward.
  • the steps for taking out the contents of the container from the container are as follows:
  • the one-way valve 111 is opened under the action of the negative pressure, and the liquid take-up passage 11 and the metering passage 8 are in communication; the contents enter the metering passage 8 from the container body 1 under the action of the negative pressure; when the contents entering the metering passage 8 exceed the initial The end 7, that is, flows into the bottom of the return chamber 6.
  • the airbag 3 When it is necessary to take out, the airbag 3 is squeezed, and the airbag 3 is pressurized into the return chamber 6 through the pressure changing passage 4;
  • the one-way valve 121 is opened, the metering channel 8 and the outflow channel 12 are in communication; the contents in the metering channel 8 (from the initial end 7) flow out from the outflow channel 12 under positive pressure;
  • the scale determines the amount of outflow.
  • the outflow has a maximum value, which is the total amount of the contents in the metering channel 8 and the intermediate channel 15 at the upper portion of the horizontal position of the opening 161. This embodiment can also achieve the purpose of metering and limited access.
  • the knob 101 is rotated to discharge the contents of the return chamber 6 back into the container body 1.
  • transformer parts It may be a cylindrical internal pressure swinging member or the like; the scope of the invention is defined by the appended claims and their equivalents.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

一种自计量容器及其初始定位装置和初始定位方法。该容器包括容器主体（1）、变压部件、计量通道（8）、流出通道（12）；在变压部件减压时，容器主体内所容物进入计量通道；在变压部件加压时，计量通道内所容物经流出通道向外流出。该容器还包括初始定位装置；初始定位装置包括回流腔（6）、回流通道（9）和可关闭回流通道的部件；回流腔连通变压部件和计量通道初始端；计量通道初始端高出回流腔底部；回流通道连通回流腔底部和容器主体。该容器具有结构简单，使用方便，计量准确的优点，可以用于液体容器、计量工具、智能厨房组合、烹饪机器人等领域。

Description

一种初始定位装置、容器和方法 技术领域
本发明涉及一种初始定位装置、容器和方法，特别是用于自计量容器的初始定位装置和使用这种初始定位装置的容器以及一种能够初始定位的方法。
背景技术
人们生活中会用到很多液体，比如液体农药、化工试剂、洗涤液、除菌液、洗发液、沐浴露、酱油、醋、食用油、液体药品等。如果需要计量取用这些液体，通常会使用计量工具，比如量筒、量杯、移液管。使用计量工具存在诸多弊端，比如液体被计量工具浪费、污染；液体毒性挥发、液体被空气氧化等等。为此，近年来有通过有自计量功能的容器来解决上述问题。有自计量功能的容器盛放上述液体，取用时不需要使用外部计量工具，可以避免上述弊端。
然而，有自计量功能的容器在计量取用时，受到操作力度、操作速度、容器主体内液体体积、变压部件内气体体积等因素影响，液体在计量通道内的初始位置难以固定。计量初始位置不能固定，不仅会干扰计量精度，而且会影响操作便利性。在一些情况下，计量取用时可能会出现意外，将液体吸入变压部件。这时不仅损害了变压部件，还污染了液体。这些都阻碍了有自计量功能的容器大范围地推广应用。另一方面，智能厨房、烹饪机器人等对食用油、液体盐、酱油、醋等液体计量取用也提出了更准确的要求；人们没有找到适合的液体计量方法。
人们生活中需要一种初始定位装置、或者具有初始定位功能的容器，使每次的取用过程能够更准确、更方便，且尽量少地受外部空气或者杂质影响。
发明内容
为了解决上述现有技术的容器中没有初始定位功能的问题，本发明提供一种自计量容器，包括容器主体、变压部件、计量通道、流出通道；
在所述变压部件减压时，所述容器主体内所容物进入所述计量通道；
在所述变压部件加压时，所述计量通道内所容物经所述流出通道向外流出；
该自计量容器还包括初始定位装置；
所述初始定位装置包括回流腔、回流通道和可关闭所述回流通道的部件；
所述回流腔连通所述变压部件和所述计量通道初始端；
所述计量通道初始端高出所述回流腔底部；
所述回流通道连通所述回流腔底部和所述容器主体。
这种初始定位装置在变压部件减压时，将超过计量通道初始位置的液体汇集于回流腔内；在加压取液时，计量通道内液体被取出，回流腔内液体不会重新进入计量通道，计量从初始位置开始，计量或者限量取用准确、方便。当回流腔内液体较多时，或者当液体取用完成后，回流通道打开，回流腔内液体流回容器主体，不会被浪费、被外部空气氧化或者被污染；变压部件再次减压时，液体即可重新在计量通道内确定初始位置，加压时被计量或者限量取用。
这种自计量容器结构简单，能大规模生产，能降低生产成本；在使用时能够实现方便、快捷、准确地取出所容物。同时，由于回流腔的存在，能防止计量通道内液体被误吸入变压部件；也能防止计量通道内的气体对计量准确的干扰。这种自计量容器克服了现有技术计量容器存在的种种弊端，可以用于液体容器、计量工具、智能厨房***、烹调机器人等领域。
对于这种自计量容器，所述部件可以连接位于容器外部的旋钮或者把手。通过连接位于容器外的旋钮或者把手的部件，操作者可以手动关闭回流通道。这可以保证在初始定位装置结构简单，关闭回流通道彻底，防止回流通道漏气导致取用液体时出现功能障碍。
对于这种自计量容器，所述计量通道的初始端外径缩小。初始端外径缩小，可以减小因表面张力产生的凸出于计量通道初始端的液体体积，减少因每次操作力度等差异而产生的测量误差。
对于这种自计量容器，可以有球面装置悬盖于所述计量通道初始 端上方。设置悬盖于计量通道初始端上方球面装置，可以防止减压时液体冲入变压部件，也可以在液体喷出后产生美观的水帘，便于操作者观察液体是否超过计量通道初始端，是否进行下一步加压取出。
对于这种自计量容器，可以在所述计量通道初始端外侧略低的位置设置有指示槽。当液体流出计量通道初始端后，会在计量通道初始端开口指示槽内储留少许，操作者通过观察指示槽内是否有液体来判断液体是否流出计量通道初始端，是否可以开始加压取用。容器使用时的晃动会使指示槽内液体流入回流腔底部。
对于这种自计量容器，所述部件可以为设置在回流通道内在所述变压部件加压或者减压时关闭、在无压力变化时打开的阀门组合。通过在回流通道内阀门组合，可以既保证变压部件加压、减压时回流通道不漏气，又保证无压力变化时回流腔内液体回流至容器主体内。使回流腔内液体自动回流，提高了使用的便利性。
特别的，这种阀门组合可以为两个反向串联连通的单向阀门。进一步的，靠近所述回流腔的单向阀门在减压时关闭；另一个单向阀门在加压时关闭。进一步的，所述两个单向阀门间设置储液腔。阀门组合使用常用部件单向阀门，提高了初始定位装置的适配性；靠近所述回流腔的单向阀门在减压时关闭，回流腔及回流通道内空间有限，有利于计量通道内液体充分回流。两个单向阀门间设置储液腔，可以适当减小回流腔的体积，有助于提高变压时计量通道内液***置变化的灵敏度。
特别的，这种阀门组合可以包括能在阀体内往复移动的阀芯；所述阀芯上游端设置中间通道，所述中间通道通向阀芯外侧面上的槽；所述中间通道上游端通过所述回流通道连通所述回流腔，下游端通过所述阀芯外侧面上的槽通向所述阀体外。这种阀门组合可以成本低，密封更好，有助于提高变压时计量通道内液***置变化的灵敏度。
特别的，所述阀门组合可以为包含所述回流通道内依次设置的两个开口和位于所述两个开口中间的可移动部件。这种阀门组合结构简单，体积小，成本更低。进一步的，所述可移动部件为薄片或者小球。薄片或者小球在这种阀门组合中的密封效果较好。
对于这种自计量容器，所述变压部件、初始定位装置、计量通道、 流出通道等安装在顶盖上。上述部件安装在顶盖上，可以避免安装在容器主体上时通道接口处出现泄漏，也能使相关部件组装简单、包装运输方便、使用后清洁方便。
本发明还提供一种初始定位装置，包括回流腔、回流通道和可关闭所述回流通道的部件；
所述回流腔连通所述变压部件和所述计量通道初始端；
所述计量通道初始端高出所述回流腔底部；
所述回流腔通过所述回流通道通向所述容器主体。
这种初始定位装置，结构简单，能使自计量容器使用方便，计量准确，能防止计量通道内液体被误吸入变压部件，也能防止计量通道内的气体对计量准确的干扰，克服了现有计量容器存在的种种弊端。
本发明还提供一种自计量容器的初始定位方法，包括以下步骤：
A、关闭回流腔底部与容器主体间的回流通道；
B、减压使所述容器主体内所容物进入计量通道；
C、当所容物超过计量通道初始端进入所述回流腔后，停止减压；
D、加压使所述计量通道内所容物经流出通道向外流出；
E、观察所述计量通道内所容物液面，到达所需体积后停止加压；
F、当回流腔内累积的所容物超过计量通道初始端时，打开所述回流通道，使所述回流腔内所容物回流至所述容器主体内。
这种初始定位方法，操作简单、使用方便、计量准确，适合普通居民日常应用，也适合科研人员精密计量使用。手动打开回流通道可以使回流通道在关闭时密封更好，加压、减压灵敏度更高。
本发明还提供另一种自计量容器的初始定位方法，包括以下步骤：
A、变压部件使回流腔内减压，促使回流腔底部与容器主体间的回流通道关闭，促使所述容器主体内所容物进入计量通道；
B、当所容物超过计量通道初始端进入所述回流腔后，停止减压；
C、当所述回流腔内无压力变化时，所述回流通道自动打开，所述回流腔内所容物回流至所述容器主体内。
D、加压使所述计量通道内所容物经流出通道向外流出；
E、观察所述计量通道内所容物液面，到达所需体积后停止加压。
自动打开回流通道和取出步骤契合，使操作更加方便。
附图说明
图1是实施例1所述自计量容器的结构示意图；
图2是图1的A处局部放大图；
图3是图1的B处局部放大图；
图4是实施例2所述自计量容器的结构示意图；
图5是图4的C处局部放大图；
图6是实施例3所述自计量容器的结构示意图；
图7是图6的D处局部放大图；
图8是实施例4所述自计量容器的结构示意图；
图9是图8的E处局部放大图。
具体实施方式
实施例1
如图1、图2和图3所示，为根据实施例1所述的一种使用本发明初始定位***的容器。该容器包括容器主体1，容器主体1上部有灌装口，灌装所容物后用单向阀20封住灌装口。单向阀20仅允许气体进入容器主体1内部。容器主体1顶部预留流出通道12和变压通道4的开口。
变压部件为能向回流腔6内加压和减压的部件，包括气囊3和变压通道4。变压通道4穿过容器主体1顶部连通由外壳5围成的回流腔6。计量通道8的初始端7伸入回流腔6内部，并高于回流腔6底部。计量通道8的初始端7外周略低的位置，设置环形槽19。当所容物超过计量通道8的初始端7时，会有所容物潴留环形槽19内，用来指示初始端液面已经定位，可以加压取用所容物。
回流通道9连通回流腔6底部和容器主体1。在所述回流通道9内，设置结构简单、成本低的阀门组合10。阀门组合10包括由框架101、框架101上留出的上开口103和下开口104、固定在框架101上的扭簧105和安装在扭簧105上的挡片102。挡片102在回流腔6内减压时能封堵上开口103，在回流腔6内加压时能封堵下开口104。无压力变化时，扭簧能让挡片102处于中间位置，上开口103和下开口104均打开。
计量通道8下端连接由阀体13和阀芯14组成的控制阀门，与阀 芯14内的中间通道15连通。控制阀门的阀体13外连接3个管道：取液通道11、流出通道12和计量通道8。取液通道11通向容器主体1底部。控制阀门的阀芯14位于阀体13内部空腔中，可以在空腔内上下滑动，但阀芯14外周侧与阀体13内壁之间液密封。阀芯14内有中间通道15，中间通道15在阀芯外周侧面有开口161、开口171。阀体上设置开口162和开口172。开口162连通流出通道12，开口172连通取液通道11。
根据阀芯13在阀体14内往复滑动的位置不同，开口161和开口162、开口171和开口172有3种不同的连通关系：仅有开口161与开口162相连通；开口161与开口162之间以及开口171与开口172之间均不连通(如图1所示的状态)；仅开口171与开口172之间相连通。空腔11两端各安装有弹簧，弹簧能使阀芯14在没有外压力时处于开口161与开口162之间以及开口171与开口172之间均不连通的位置。阀体13下端设置泄压口18，该泄压口18通向容器主体1内。
流出通道12的流出端伸出于容器主体1外。
这种容器的取出容器内所容物的步骤如下：
放开被挤压的气囊3，气囊3通过变压通道4向回流腔6内减压；
挡片102在负压作用下向上封堵开口103，回流通道9断开；
阀芯14在负压作用下向上移动，开口171和开口172连通，使得取液通道11通过中间通道15和计量通道8相连通；所容物在负压作用下从容器主体1进入计量通道8；当进入计量通道8的所容物超过初始端7，即流入环形槽19，进而流入回流腔6的底部。
气囊3完全减压后，回流腔6及回流通道9内不再有负压，挡片102在扭簧105的作用下回到阀门组合10中部，开口103和开口104均打开，回流腔6及回流通道9内所容物流回容器主体1内。阀芯14在阀体13上端弹簧的作用下向下移动，开口161和开口162、开口171和开口172均处于断开位置。
需要取出时，挤压气囊3，气囊3通过变压通道4向回流腔6内加压；
挡片102在正压作用下向下封堵开口104，回流通道9断开；
阀芯14在正压作用下向下移动，开口161和开口162连通，使得 流出通道12通过中间通道15和计量通道8相连通；计量通道8内所容物(自初始端7起)在正压作用下从流出通道12向外流出；可以根据计量通道8上的刻度确定流出量。流出有最大值，最大值是计量通道8内及中间通道15在开口161水平位置上部的所容物总量。本实施例可以实现计量取用和限量取用的目的。
完成取用后，停止加压，回流腔6及回流通道9内不再有正压，挡片102在扭簧105的作用下回到阀门组合10中部，开口103和开口104均打开。阀芯14在阀体13下端弹簧的作用下向上移动，开口161和开口162、开口171和开口172均处于断开位置。
单向阀20在外部大气压作用下让容器主体外部气体进入容器内部，直到容器主体1内外压力相等为止。由于单向阀20的存在，仅有有限量的外界气体能和容器主体1内的所容物接触，这会减轻所容物污染或者氧化。
这时，容器为下一次计量(限量)取出做好了准备。
实施例2
如图4、图5所示，为根据实施例2所述的一种容器。该容器包括容器主体1、由气囊3和变压通道4组成的变压部件、由腔壁5围成的回收腔6、位于容器主体1上方、侧壁和底部的计量通道8、流出通道12、包括两个反向串联单向阀门的回流通道9等部件。
具体来讲，回流腔6连通变压通道4、回流通道9、计量通道8，计量通道8的初始端7伸入回流腔6内部，上方悬挂有球面装置19。在所容物从计量通道8的初始端进入回流腔6时，球面装置19能放大所容物进入回流腔6的信号，便于操作者观察。计量通道8外部标有刻度，标示自初始端7起的计量通道体积。计量通道8在容器主体1内部底部的位置，安装有仅允许容器主体1内所容物进入计量通道8的单向阀11。在流出通道12内部，安装仅允许向外流出的单向阀121。回流通道9内自回流腔6起依次设置由单向阀101和单向阀102组成的阀门组合。单向阀101仅在回流腔6内正压时关闭回流通道9，单向阀102仅在回流腔6内负压时关闭回流通道9。单向阀101和单向阀102之间，间隔有回流通道9的一段。使用通用部件单向阀可以增加产品适配性，降低维修、更换成本。
这种容器的取出容器内所容物的步骤如下：
放开被挤压的气囊3，气囊3通过变压通道4向回流腔6内减压；
单向阀102在负压作用下关闭，回流通道9断开；单向阀121在负压作用下关闭，流出通道12关闭；单向阀11在负压作用下打开，所容物在负压作用下从容器主体1进入计量通道8；当进入计量通道8的所容物超过初始端7，冲击球面装置19，进而流入回流腔6的底部。
气囊3减压完成后，回流腔6及回流通道9内不再有负压，单向阀102及单向阀101均打开，回流腔6及回流通道9内所容物通过回流通道9流回容器主体1内。
需要取出时，挤压气囊3，气囊3通过变压通道4向回流腔6内加压；
单向阀101在正压作用下关闭，回流通道9断开；单向阀11在正压作用下关闭，计量通道8与容器主体1间通道关闭。单向阀121在正压作用下打开，流出通道12打开，所容器向外流出。
可以根据计量通道8上的刻度确定流出量。达到需要的量后停止挤压气囊3，所容物停止向外流出。本实施例可以实现计量取用和限量取用的目的。
停止加压后，回流腔6及回流通道9内不再有正压，单向阀101、单向阀102打开，回流腔6内所容物(若有)流回容器主体1内。
这时，容器为下一次取出做好了准备。
实施例3
如图6和图7所示，为根据实施例3所述的一种使用本发明初始定位***的容器。该容器整体上包括容器主体1和顶盖2，容器主体1上部为顶盖2。容器主体1容纳绝大部分所容物。其他部件包括变压部件、初始定位装置、计量通道8、取液通道11、流出通道12阀门等都安装在顶盖上。顶盖2还有单向阀20，单向阀20仅允许液体、气体进入容器主体1内部。
变压部件为能向回流腔6内加压和减压的部件，包括气囊3和变压通道4。气囊3位于顶盖2上方，通过变压通道4固定于顶盖2上。变压通道4穿过顶盖2上层连通位于顶盖2内部、由外壳5围成的回流腔6。计量通道8的初始端7伸入回流腔6内部，并高于回流腔6 底部。回流通道9连通回流腔6底部和容器主体1。所述回流通道9包括上游段101、阀门组合10内部段和下游段三部分。阀门组合10密封性能良好，包括能在阀体内往复移动的阀芯106；所述阀芯上游端设置中间通道104，所述中间通道104通向阀芯106外侧面上的槽105。回流通道9的上游段101连通所述中间通道104，下游段通过阀体通向所述阀芯106外侧面。上档板102和弹簧103、下挡板107和弹簧108能在回流通道9内无压力时将阀芯106维持在使槽105和回流通道9下游段连通的位置。
计量通道8初始端7伸入回流腔6内，中段为有计量刻度81的计量段，末端连接由阀体13和阀芯14组成的控制阀门，与阀芯14内的中间通道15连通。控制阀门的阀体13外连接3个管道：取液通道11、流出通道12和计量通道8末端。取液通道11通向容器主体1底部。控制阀门的阀芯14位于阀体13内部空腔中，可以在空腔内上下滑动，但阀芯14外周侧与阀体13之间液密封。阀芯14内有中间通道15，中间通道15在阀芯外周侧面有开口161、开口171。阀体上设置开口162和开口172。开口162连通流出通道12，开口172连通取液通道11。
根据阀芯13在阀体14内往复滑动的位置不同，开口161和开口162、开口171和开口172有3种不同的连通关系：仅有开口161与开口162相连通；开口161与开口162之间以及开口171与开口172之间均不连通(如图6所示的状态)；仅开口171与开口172之间相连通。空腔11两端各安装有弹簧，弹簧能使阀芯14在没有外压力时处于开口161与开口162之间以及开口171与开口172之间均不连通的位置。阀体13下端设置泄压口18，该泄压口18通向容器主体1内。
流出通道12的流出端伸出于顶盖2外。
这种容器的取出容器内所容物的步骤如下：
放开被挤压的气囊3，气囊3通过变压通道4向回流腔6内减压；
阀门组合10内阀芯106向上移动，槽105和回流通道9下游段断开；
控制阀门阀芯14在负压作用下向上移动，开口171和开口172连通，使得取液通道11通过中间通道15和计量通道8相连通；所容物 在负压作用下从容器主体1进入计量通道8；当进入计量通道8的所容物超过初始端7，即流入回流腔6的底部。
气囊3减压完成后，回流腔6及回流通道9内不再有负压，阀门组合10内阀芯106在弹簧103作用下向下移动，槽105和回流通道9下游段连通，回流腔6及回流通道9内所容物流回容器主体1内。控制阀门内阀芯14在阀体13上端弹簧的作用下向下移动，开口161和开口162、开口171和开口172均处于断开位置。
需要取出时，挤压气囊3，气囊3通过变压通道4向回流腔6内加压；
阀门组合10内阀芯106向下移动，槽105和回流通道9下游段断开；
控制阀门的阀芯14在正压作用下向下移动，开口161和开口162连通，使得流出通道12通过中间通道15和计量通道8相连通；计量通道8内所容物(自初始端7起)在正压作用下从流出通道12向外流出；可以根据计量通道8上的刻度确定流出量。流出有最大值，最大值是计量通道8内及中间通道15在开口161水平位置上部的所容物总量。本实施例也可以实现计量取用和限量取用的目的。
完成取用后，停止加压，回流腔6及回流通道9内不再有正压，阀门组合10内阀芯106向上移动，槽105和回流通道9下游段连通。控制阀门内阀芯14在阀体13下端弹簧的作用下向上移动，开口161和开口162、开口171和开口172均处于断开位置。
同样，由于单向阀20的存在，仅有有限量的外界气体能和容器主体1内的所容物接触，这会减轻所容物污染或者氧化。
这时，容器为下一次计量(限量)取出做好了准备。
实施例4
如图8、图9所示，为根据实施例4所述的一种使用本发明初始定位***的容器。该容器整体上包括容器主体1和顶盖2，容器主体1上部为顶盖2。容器主体1容纳绝大部分所容物。其他部件包括变压部件、初始定位装置、计量通道8、取液通道11、流出通道12阀门等都安装在顶盖上。顶盖2还有单向阀20，单向阀20仅允许液体、气体进入容器主体1内部。
变压部件为能向回流腔6内加压和减压的部件，包括气囊3和变压通道4。气囊3位于顶盖2上方，通过变压通道4固定于顶盖2上。变压通道4穿过顶盖2上层连通位于顶盖2内部、由外壳5围成的回流腔6。计量通道8的初始端7伸入回流腔6内部，并高于回流腔6底部。回流通道9连通回流腔6底部和容器主体1。所述回流通道9内设置阀门103。阀门103通过连杆102连接顶盖2外部的旋钮101。
计量通道8初始端7伸入回流腔6内，中段为有计量刻度81的计量段，末端连通取液通道11和流出通道12。取液通道11通向容器主体1底部，内设仅允许所容物向上流动的单向阀门111。流出通道12通向顶盖2外部，内设仅允许液体向外流动的单向阀门121。
这种容器的取出容器内所容物的步骤如下：
旋转旋钮101，关闭回流腔6底部与容器主体1间的回流通道9；
放开被挤压的气囊3，气囊3通过变压通道4向回流腔6内减压；
单向阀门111在负压作用下打开，取液通道11和计量通道8相连通；所容物在负压作用下从容器主体1进入计量通道8；当进入计量通道8的所容物超过初始端7，即流入回流腔6的底部。
需要取出时，挤压气囊3，气囊3通过变压通道4向回流腔6内加压；
单向阀门121打开，计量通道8和流出通道12相连通；计量通道8内所容物(自初始端7起)在正压作用下从流出通道12向外流出；可以根据计量通道8上的刻度确定流出量。流出有最大值，最大值是计量通道8内及中间通道15在开口161水平位置上部的所容物总量。本实施例也可以实现计量取用和限量取用的目的。
完成取用后，停止加压，所容物停止外流。
这时，容器为下一次计量(限量)取出做好了准备。
当回流腔6内所容物将要超过计量通道8初始端7时，旋转旋钮101，将回流腔6内所容物放流回容器主体1内。
由于每次计量均是从计量通道8的初始端7开始，计量方便准确。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换、变型和组合。比如，变压部件 可以为筒内活塞式手动变压部件等；本发明的范围由所附权利要求及其等同物限定。

Claims (16)

  1. 一种自计量容器，包括容器主体、变压部件、计量通道、流出通道；在所述变压部件减压时，所述容器主体内所容物进入所述计量通道；在所述变压部件加压时，所述计量通道内所容物经所述流出通道向外流出；其特征在于还包括初始定位装置；
    所述初始定位装置包括回流腔、回流通道和可关闭所述回流通道的部件；
    所述回流腔连通所述变压部件和所述计量通道初始端；
    所述计量通道初始端高出所述回流腔底部；
    所述回流通道连通所述回流腔底部和所述容器主体。
  2. 如权利要求1所述的自计量容器，其特征在于，所述部件连接位于容器外部的旋钮或者把手。
  3. 如权利要求1所述的自计量容器，其特征在于，所述计量通道的初始端外径缩小。
  4. 如权利要求1所述的自计量容器，其特征在于，球面装置悬盖于所述计量通道初始端上方。
  5. 如权利要求1所述的自计量容器，其特征在于，所述计量通道初始端外侧略低的位置设置有指示槽。
  6. 如权利要求1所述的自计量容器，其特征在于，所述部件为设置在回流通道内，在所述变压部件加压或者减压时关闭、在无压力变化时打开的阀门组合。
  7. 如权利要求6所述的自计量容器，其特征在于，所述阀门组合为两个反向串联连通的单向阀门。
  8. 如权利要求7所述的自计量容器，其特征在于，靠近所述回流腔的单向阀门在减压时关闭；另一个单向阀门在加压时关闭。
  9. 如权利要求7所述的自计量容器，其特征在于，所述两个单向阀门间设置储液腔。
  10. 如权利要求6所述的自计量容器，其特征在于，所述阀门组合包括能在阀体内往复移动的阀芯；所述阀芯上游端设置中间通道，所述中间通道通向阀芯外侧面上的槽；所述中间通道上游端通过所述 回流通道连通所述回流腔，下游端通过所述阀芯外侧面上的槽通向所述阀体外。
  11. 如权利要求6所述的自计量容器，其特征在于，所述阀门组合包含所述回流通道内依次设置的两个开口和位于所述两个开口中间的可移动部件。
  12. 如权利要求11所述的自计量容器，其特征在于，所述可移动部件为薄片或者小球。
  13. 如权利要求1所述的自计量容器，其特征在于，所述变压部件、初始定位装置、计量通道、流出通道等安装在顶盖上。
  14. 一种初始定位装置，其特征在于包括回流腔、回流通道和可关闭所述回流通道的部件；
    所述回流腔连通所述变压部件和所述计量通道初始端；
    所述计量通道初始端高出所述回流腔底部；
    所述回流腔通过所述回流通道通向所述容器主体。
  15. 一种自计量容器的初始定位方法，其特征在于包括以下步骤：
    A、关闭回流腔底部与容器主体间的回流通道；
    B、减压使所述容器主体内所容物进入计量通道；
    C、当所容物超过计量通道初始端进入所述回流腔后，停止减压；
    D、加压使所述计量通道内所容物经流出通道向外流出；
    E、观察所述计量通道内所容物液面，到达所需体积后停止加压；
    F、当回流腔内累积的所容物超过计量通道初始端时，打开所述回流通道，使所述回流腔内所容物回流至所述容器主体内。
  16. 一种自计量容器的初始定位方法，其特征在于包括以下步骤：
    A、变压部件使回流腔内减压，促使回流腔底部与容器主体间的回流通道关闭，促使所述容器主体内所容物进入计量通道；
    B、当所容物超过计量通道初始端进入所述回流腔后，停止减压；
    C、当所述回流腔内无压力变化时，所述回流通道自动打开，所述回流腔内所容物回流至所述容器主体内；
    D、加压使所述计量通道内所容物经流出通道向外流出；
    E、观察所述计量通道内所容物液面，到达所需体积后停止加压。
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