WO2009067900A1

WO2009067900A1 - Liquid quantitative fetching device

Info

Publication number: WO2009067900A1
Application number: PCT/CN2008/072976
Authority: WO
Inventors: Shi Peng
Original assignee: Shi Peng
Priority date: 2007-11-08
Filing date: 2008-11-07
Publication date: 2009-06-04
Also published as: CN201152764Y

Abstract

A liquid quantitative fetching device (100) includes a casing (110), a measurement chamber (120), a storage chamber (130), an unidirectional passage (140), a pouring passage (150), and a vent passage (160). A partition (170) is provided in the casing (110) for dividing the casing cavity into the measurement chamber (120) and the storage chamber (130), which are communicated via the unidirectional passage (140). The pouring passage (150) communicates with the storage chamber (130), and a cover (190) is provided on one end of the measurement chamber (120) remoting from a container.

Description

Instructions Quantitative Fluid Accessor

[1] Technical field

[2] The present invention relates to a fluid (such as a liquid, a solid particle, etc.)

A quantitative fluid dispenser for access.

[3] Background Art

[4] The existing quantitative fluid extractor generally comprises a measuring chamber, a storage chamber and three parts of a unidirectional passage between the measuring chamber and the storage chamber. In the quantitative liquid sampling, the quantitative fluid extracting device is first used. It is fixed on a container similar to a bottle. The container is poured to allow the fluid in the container to enter the metering chamber, and the container is turned over to allow the metered fluid to enter the storage chamber. Chinese Patent Literature CN2069835U

A liquid container is disclosed. The container consists of a container container and a volume container. The opening of the storage body and the measuring body can be sealed. The housing of the storage body has an infusion port and a gas delivery port, and the gas delivery port is located above the infusion port, and the measuring body communicates with the storage body through the infusion port outside the storage body. There are two problems with this kind of liquid container. One is that when the opening of the liquid container is opened, the liquid in the bottle can easily overflow from the opening, and the purpose of the measurement is not achieved; the second is when the open mouth is closed, the opening is open. If the air in the bottle is equal to the air pressure at the bottom of the liquid, the liquid will be balanced and will not enter the body. The measurement cannot be guaranteed. Chinese Patent Literature CN2126215U

A metered liquid dispenser for bottled liquid is disclosed which consists of a metering container, an inlet tube, an outlet tube, and a vent tube. After using the crucible, just pour the liquid bottle, then a certain amount of liquid will be placed in the container cavity and can be taken by inserting the straw. The quantitative liquid extractor of this structure has a defect that the measured liquid can be sucked only by external force to be sucked out from the container cavity, or the liquid existing in the container cavity cannot be taken out. In addition, there is a common problem with the above two products, that is, they cannot continuously quantitatively measure the fluid from the container and the quantitative non-adjustability problem. Meanwhile, there is a problem that it cannot take both quantitative access and Two cases are taken continuously.

[5] Summary of the invention

[6] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and to provide a quantitative fluid extractor for taking the next fluid in order to realize the pouring of the fluid measured the previous time. [7] The technical solution adopted by the present invention to solve the technical problem thereof is: designing a quantitative fluid extractor, comprising a measuring chamber, a unidirectional passage, a storage chamber and a discharge passage, the unidirectional passage will measure the chamber and The storage chamber is connected, and the discharge passage communicates with the storage chamber. The measuring chamber has one end open and can be connected to the storage container, and the measuring chamber is not provided with a cover at the end that is not connected to the container. The measuring chamber has an intake passage. The cover on the measuring chamber is active.

[8] A convex curve is provided on the one-way passage to ensure that fluid flows into the storage chamber from the measuring chamber in one direction. An adjustment slider is provided in the measuring chamber for adjusting the volume of the measuring chamber.

[9] A quantitative fluid dispenser comprising a measuring chamber and a fluid discharge passage, the measuring chamber and the fluid discharge passage being separated, the top of the measuring chamber being closed by the cover, the measuring chamber having a flow guiding port and being The inlet port of the storage container is connected, the fluid discharge channel is composed of a discharge channel and a storage chamber, and the discharge channel is located above the storage chamber, and the discharge channel is connected with the ambient air pressure, and the air outlet of the measurement chamber is connected and stored through the one-way channel. The unidirectional passage uses the fluid's own gravity to unidirectionally introduce the fluid in the measuring chamber into the storage chamber, and the bottom of the storage chamber is closed.

[10] The measuring chamber is provided with an adjustment slider that can adjust the volume of the measuring chamber. The cover can be moved.

[11] The measuring chamber has an intake passage. The measuring chamber is placed substantially above the storage chamber. The measuring chamber is dumped below the fluid discharge channel. The measuring chamber is placed at the top, and the inlet of the measuring chamber is located above the storage chamber. The liquid inlet of the measuring chamber is connected to the storage container, and the fluid discharge passage extends into the storage container. The measuring chamber is placed at the top, and the inlet of the measuring chamber is located above the storage chamber.

[12] The quantitative fluid accessor also includes a direction marker for determining the direction of the reverse.

[13] The quantitative fluid dispenser further includes a housing having at least one baffle disposed therein, the fluid discharge passage and the extraction chamber being separated by a partition. There is only one partition, and the partition extends obliquely downward from the cover. There are two partitions, which are a first partition and a second partition respectively. The first partition extends obliquely downward from the cover plate, and the second partition extends obliquely upward from the bottom of the storage chamber. The second partition is separated from the measuring chamber and the storage chamber, and the unidirectional passage is formed between the first partition and the second partition.

[14] The beneficial effects of the present invention are

The capacity with the measurement can be preset and can realize the advantages of pouring out the fluid measured the previous time, and taking the advantage of the next fluid; meanwhile, it can also achieve both quantitative access and continuous operation. Take advantage of the advantages. [15] BRIEF DESCRIPTION OF THE DRAWINGS

1 is a cross-sectional structural view showing an embodiment of the present invention;

[17] FIG. 2 is a schematic cross-sectional view of the A-A of FIG. 1;

[18] FIG. 3 is a schematic view showing four states of use of the embodiment shown in FIG.

7 and 8 are schematic structural views of another embodiment of the present invention;

[00] FIG. 9 to FIG. 12 are schematic diagrams showing four usage states of a third embodiment of the present invention;

13 to FIG. 16 are schematic diagrams showing four usage states of a fourth embodiment of the present invention;

Figure 17 is a schematic view showing a state of use of a fifth embodiment of the present invention;

18 to 20 are schematic views of three use states of a sixth embodiment of the present invention.

[24] Specific implementation

[25] Referring to FIG. 1, FIG. 1 is a quantitative fluid dispenser 100 including a housing 110, a measuring chamber 120, a storage chamber 130, a unidirectional passage 140, a discharge passage 150, and an intake passage 160. A partition 170 is disposed in the body 110 to divide the cavity in the housing 110 into the measuring chamber 120 and the storage chamber 130.

Two portions, the one-way passage 140 bypasses the lower portion of the housing 110 to connect the measuring chamber 120 and the storage chamber 130, and the discharge passage 150 communicates with the storage chamber 130 in the measuring chamber 120.

A cover 190 is disposed away from the end of the container, and the intake passage 160 is U-shaped. One end of the intake passage 160 is disposed under the cover 190 to communicate with the measuring chamber 120, and the other end communicates with the discharge passage 150.

[26] Please refer to FIG. 2, which is a schematic cross-sectional view of the A-A of FIG. From Figure 2

It can be seen that a convex curve 200 is provided on the unidirectional passage 140, and the purpose of providing the convex curve 200 is to use the cymbal to face the convex curve 200 upward to ensure the measuring chamber 120.

The fluid inside can only flow into the storage chamber 130 in one direction, that is, the fluid does not flow back when the fluid level is lower than the highest point of the convex curve 200.

[27] In addition, since the unidirectional passage 140 has directionality, the enthalpy is reversed, and the fluid in the storage chamber 130 is reversed to the measuring chamber 120 through the unidirectional passage 140 in order to prevent the directional error, the housing 110

There is also a direction marker 270 on it.

[28] See Figure 3 to Figure 6, Figure 3 is to Figure 6 is Figure 1

A schematic representation of the four states of use of the illustrated embodiment. Use 吋, as shown in Figure 3

In the indication, the quantitative fluid dispenser 100 of the present invention is mounted to the bottle 210 containing the fluid 220. Above, as shown in Figure 4, the bottle 210 is facing down, the fluid 220 in the bottle 210

Under the action of gravity, it will flow into and fill the chamber 120. Then, as shown in Fig. 5, the bottle 210 will face upward, and the fluid in the measuring chamber 120 will pass through the unidirectional passage 140.

After entering the storage compartment 130 through a convex curve (not visible);

As shown, if used again, the bottle 210 is turned down again, so that the fluid located in the storage chamber 130 will exit the metering fluid dispenser 100 through the discharge passage 150, and the fluid 220 in the bottle 210 will flow again. And full of measuring chamber 120

. In this way, the purpose of the next fluid is measured by pouring the same amount of fluid measured the previous time.

[29] For the present embodiment, the discharge passage 150 is located in the storage compartment 130

The upper portion is in communication with the ambient air pressure, and the discharge passage 150 and the storage chamber 130 are separated from the measuring chamber 120 by the partition plate 170. The measuring chamber 120 communicates with the storage chamber 130 through the unidirectional passage 140.

The fluid can flow from the measuring chamber 120 into the storage chamber 130 under the action of its own gravity. The metering chamber 120 has an inlet port 230 and a diversion port 240 that communicates with the bottle 210 for fluid 220 to enter, and the diversion port 240 communicates with the storage chamber 130 through the unidirectional passage 140. The top of the measuring chamber 120 is closed by providing a cover 190. The bottom of the storage chamber 130 is closed, that is, the measuring chamber 120 and the storage chamber 130 are both bottomed, and the top of the measuring chamber 120 is higher than the bottom of the storage chamber 130.

[30] For the present embodiment, due to the storage chamber 130 and the discharge passage 150

In communication, it can be regarded as a unitary fluid discharge passage formed in the housing 110 and passing through the partition plate 170.

Separated, and the top of the measuring chamber is closed, and the bottom of the fluid discharge passage is also closed (

That is, the bottom of the storage room is closed)

The one-way passage connects the fluid discharge passage and the measuring chamber. Normal state, bottle 210

Upright, the quantitative fluid dispenser 100 is mounted on the bottle 210; the bottle 210 is inverted for the first time (the bottle is dumped), the fluid is filled from the inlet port 230 to the metering chamber 120, and the second is inverted (the bottle is placed upright) )

At least a portion of the fluid in the metering chamber 120 passes through the air inlet 240, the unidirectional passage 140

Flowing into the lower part of the fluid discharge passage (ie into the storage chamber 130), the third inversion (the bottle is dumped)

The fluid in the fluid discharge passage is discharged under its own gravity (ie, the storage chamber 130) The fluid inside is discharged through the discharge passage 150, and at the same time, the fluid 220 in the bottle 210 flows into and fills the metering chamber 120.

[31] See Figure 7 and Figure 8, Figure 7 and Figure 8

It is a schematic structural view of another embodiment of the present invention. It is in Figure 1 and Figure 2

Based on the illustrated embodiment, an adjustment slider 300 is added to the metering chamber 120.

, the measuring chamber 120 can be changed by pulling the adjusting slider 300 up and down

The volume is so large that the volume of the chamber 120 can be set in advance. Figure 7

Shown is the smallest volume state, and Figure 8 shows the maximum volume state.

[32] See Figure 9 to Figure 12, Figure 9 to Figure 12

It is a schematic diagram of four usage states of the third embodiment of the present invention. Figure 9 to Figure 12

The embodiment shown is shown in Figures 1 and 2

The embodiment shown has substantially the same structure, except that the shape of the measuring chamber 120 and the storage chamber 130 are changed. This change is more advantageous for reducing the volume of the present invention, and in the case of the same amount of capacity, The volume is only 2/3 of the embodiment shown in Figures 1 and 2.

[33] In the present embodiment, the quantitative fluid dispenser includes a measuring chamber 120 and a fluid discharge passage 280

The measuring chamber and the fluid discharge passage are separated, and the fluid discharge passage includes an upper discharge passage 150 and a storage chamber 130 located below, and the measuring chamber 120 communicates with the storage chamber 130 through the one-way passage 140 to make the dumping direction correct. The fluid in the metering chamber 120 can pass through the unidirectional passage 140

Flows into the storage compartment 130. The entire metering fluid accessor is placed (as shown in Figure 9) and the metering chamber 120 is located entirely above the storage chamber 130. Quantitative fluid accessor mounted to the bottle 210

吋, the fluid discharge passage extends downward into the bottle 210, and the measuring chamber 120 is located in the bottle 210

Above. After tilting the dosing device and tilting, in the direction of gravity, the measuring chamber 120 is entirely below the fluid discharge channel 280 (as shown in Figs. 10 and 12).

This structural layout allows the fluid to enter the measurement chamber as much as possible, even if the fluid flow is not good. In this manner, the positive chamber, the storage chamber 130 as a whole is located below the inlet port 230 of the metering chamber 120, as shown in Fig. 9), and the storage chamber 130 is entirely located below the bottle opening 290.

[34] See Figure 13 to Figure 16, Figure 13 to Figure 16

It is a schematic diagram of four usage states of the fourth embodiment of the present invention. It and Figure 9 to Figure 12 As shown, only the metering chamber 120 and the storage chamber 130 are changed.

shape. In this embodiment, a first partition 250 and a second partition 260 are disposed in the casing. The first partition 250 extends obliquely downward from the cover 190, and the second partition 260 extends from the storage chamber 130.

The bottom portion extends obliquely upward, and a unidirectional passage 140 is formed between the first partition 250 and the second partition 260. The first partition 250 separates the measurement chamber 120 from the discharge passage 150, and the second partition 260 separates the measurement chamber 120 and the storage chamber 130. Due to the first and second partitions 250, 260

Tilting can also play a certain role in guiding the flow.

[35] Figure 17

It is a schematic diagram of a state of use of the fifth embodiment of the present invention. The main feature of this embodiment is that the operating choke is located at the lowest position of the fluid motion. In this embodiment, the stacking chamber 120 is located above the storage chamber 130 in the direction of gravity, and the storage chamber 130 is entirely located below the bottle opening 290 of the bottle 210, and the storage chamber 130 is entirely located in the measuring chamber. Below the flow port 230.

[36] For Figures 9 to 17

The three embodiments shown are not only suitable for the quantitative measurement of liquid substances, but are also particularly suitable for the measurement of small particle solids.

[37] Referring to Figures 18 to 20, the embodiment shown in Figures 18 to 20 discloses a cover 190.

Set the status of the activity for the activity. The so-called cover 190 is an active setting means that the cover 190 can be removed or mounted on the measuring device 120, when folded, as shown in Fig. 19.

As shown, it can be used as an ordinary bottle, that is, it can be directly poured out of the fluid 220

, for the purpose of continuous access to the fluid 220; when the cover is installed 190

That is, it becomes a quantitative fluid dispenser 100 again.

[38] For the quantitative fluid dispenser, the measuring chamber, the storage chamber, the unidirectional passage and the discharge passage, the measuring chamber communicates with the storage chamber through the unidirectional passage, and the storage chamber communicates with the discharge passage. Using 吋, the ejector is placed on a storage container such as a bottle, and the fluid measurement, fluid storage, and fluid discharge can be realized step by step by multiple inversions, and the fluid is taken at the same time as the fluid discharge, and the fluid is realized. Continuous access. The measuring chamber and the storage chamber are both bottomed and have a certain volume. The measuring chamber may be located entirely above the storage compartment or partially above the storage compartment.

[39] For a quantitative fluid dispenser, including a metering chamber and a fluid discharge channel, the metering chamber and the fluid outlet channel are Separated, the fluid discharge passage is composed of a storage chamber located below and a discharge passage located above, the top of the measuring chamber is closed, and the bottom of the storage chamber is closed. In the direction of gravity, the measuring chamber may be located above the storage chamber as a whole, or partially above the storage chamber, and the top of the measuring chamber is located above the bottom of the storage chamber. Inverted to bring the quantitative fluid dispenser into a dumping state, the measuring chamber may be entirely located on one side of the fluid discharge passage (as shown in FIGS. 4 and 6), and the measuring chamber 120 may also be located entirely below the fluid discharge passage 280. (as shown in Figure 10 and Figure 12)

. Preferably, the retracting crucible, the measuring chamber as a whole is located below the fluid discharge passage, so that the fluid sampling chamber can be filled as much as possible while the fluid flow is not good. Since the measuring chamber and the storage chamber are connected through the unidirectional passage, in order to facilitate the user to perform the reverse operation, the directional indicator position can be set on the quantitative fluid extractor to prevent the reverse direction of the reverse direction, thereby causing the fluid in the storage chamber to flow back to the measuring chamber. The quantitative fluid accessor has an upright state (as shown in Figures 3, 5, 9, 11, 13, 15, 17, 18) and a dumping state (Figures 4, 6, 10, 12, 14, 16, 19, 20)

Positively positioned, the quantitative fluid accessor is located above the storage container so that the fluid in the storage container does not flow into the measuring chamber; the dumping is performed, and the quantitative fluid extractor is located below the storage container to enable the fluid in the storage container to flow in. Take the room.

[40] The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments, and it is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the invention.

Claims

Claim

i.

A quantitative fluid extractor, comprising: a measuring chamber, a unidirectional passage, a storage chamber and a discharge passage, wherein the unidirectional passage connects the measuring chamber and the storage chamber, the discharge passage and the discharge passage The storage chamber is in communication, and the measuring chamber has one end open, and can be connected to the storage container, and the measuring chamber is not provided with a cover at one end of the container.

2. According to claim 1

The quantitative fluid extractor is characterized in that: the measuring chamber has an intake passage.

3. According to claim 1 or 2

The quantitative fluid extractor is characterized in that: the cover plate on the measuring chamber is movable.

4. According to claim 3

The quantitative fluid extractor is characterized in that: a convex curve is arranged on the one-way passage to ensure that liquid flows into the storage chamber from the measuring chamber in one direction.

5. According to claim 4

The quantitative fluid extractor is characterized in that: an adjusting slider is arranged in the measuring chamber for adjusting the volume of the measuring chamber.

6.

A quantitative fluid extractor, comprising: a measuring chamber and a fluid discharge passage, wherein the measuring chamber and the fluid discharge passage are separated, the top of the measuring chamber is closed by the cover plate, and the measuring chamber has a diversion opening and The inlet port connected to the storage container, the fluid discharge passage is composed of a discharge passage and a storage chamber, and the discharge passage is located above the storage chamber, and the discharge passage is in communication with the ambient air pressure, and the discharge port of the measuring chamber is connected through the one-way passage The storage chamber, the one-way channel uses the gravity of the fluid to directly introduce the fluid in the measuring chamber into the storage chamber, and the bottom of the storage chamber is closed.

7. According to claim 6

The quantitative fluid extractor is characterized in that: the measuring chamber is provided with an adjusting slider for adjusting the volume of the measuring chamber.

8. According to claim 7

The quantitative fluid extractor is characterized in that: the cover plate is movable.

9. According to claim 8

10. According to claim 6

The quantitative fluid extractor is characterized in that: the measuring chamber is disposed substantially above the storage chamber.

11. According to claim 6

The quantitative fluid extractor is characterized in that: the measuring chamber dumping crucible is located below the fluid discharge channel.

12. According to claim 11

The quantitative fluid extractor is characterized in that: the measuring chamber is placed at a position, and the inlet of the measuring chamber is located above the storage chamber.

13. According to claim 12

The quantitative fluid dispenser is characterized in that: the liquid inlet of the measuring chamber is connected with the storage container, and the fluid discharge channel extends into the storage container.

14. According to claim 6

15. According to claim 6

The quantitative fluid extractor is characterized by: further comprising a direction identification bit for determining a reverse direction.

16. according to claim 6-15

The quantitative fluid dispenser according to any one of the preceding claims, further comprising: a housing having at least one partition disposed therein, the fluid discharge passage and the measuring chamber being partitioned by the partition.

17. According to claim 16

The quantitative fluid extractor is characterized in that: there is only one partition, and the partition extends obliquely downward from the cover.

18. According to claim 16

The quantitative fluid extractor is characterized in that: the partition has two, respectively, a first partition And a second partition, the first partition extends obliquely downward from the cover plate, the second partition extends obliquely upward from the bottom of the storage chamber, the first partition partitions the measuring chamber and the discharge passage, and the second partition is separated The measuring chamber and the storage chamber are formed between the first partition and the second partition.