CN109884330B - Device for delivering liquid to disc axle center direction - Google Patents
Device for delivering liquid to disc axle center direction Download PDFInfo
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- CN109884330B CN109884330B CN201910289856.8A CN201910289856A CN109884330B CN 109884330 B CN109884330 B CN 109884330B CN 201910289856 A CN201910289856 A CN 201910289856A CN 109884330 B CN109884330 B CN 109884330B
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- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 23
- 239000012528 membrane Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 8
- 238000001467 acupuncture Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
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Abstract
The invention discloses a device for conveying liquid to the axis direction of a disc, and relates to the technical field of detection equipment; the device comprises a first chamber (1), a second chamber (2), a first flow channel (3) and a negative pressure module, wherein the first chamber (1) is connected and communicated with the second chamber (2) through the first flow channel (3), and the negative pressure module is connected and communicated with the second chamber (2) in a sliding way; the liquid to be detected is introduced into the second chamber from the first chamber through the first chamber, the second chamber, the first flow channel, the negative pressure module and the like, so that the efficiency is high and the effect is good.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a device for conveying liquid to the axis direction of a disc.
Background
At present, in order to transfer liquid from the chamber A to the chamber B in the detection process, the rotation speed of a disc is generally increased, the liquid is centrifugally guided to a compression chamber, and the liquid entering the compression chamber compresses air in the compression chamber. The disc speed is then reduced and the compressed air forces the liquid entering the compression chamber into chamber B. The device and the method have the advantages of low realization efficiency and poor effect.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for conveying liquid to the axis direction of a disc, which is high in efficiency and good in effect by introducing liquid to be detected from a first chamber into a second chamber through the first chamber, the second chamber, a first flow channel, a negative pressure module and the like.
In order to solve the technical problems, the invention adopts the following technical scheme: the device comprises a first chamber, a second chamber, a first flow channel and a negative pressure module, wherein the first chamber is connected and communicated with the second chamber through the first flow channel, and the negative pressure module is connected and communicated with the second chamber in a sliding manner.
The further technical proposal is that: the negative pressure module comprises a vacuum bag and a needling, one of the vacuum bag and the needling is a sliding piece and is in sliding connection with the second chamber, the vacuum bag and the needling are mutually close under the action of centrifugal force, and the vacuum bag is pierced by the needling.
The further technical proposal is that: the sliding piece is in sliding fit along the radial direction of the rotating shaft.
The further technical proposal is that: the slider is a sliding fit along the vertical direction of its radius of rotation.
The further technical proposal is that: the surface of the slide is in sliding engagement with the inner wall of the second chamber.
The further technical proposal is that: the negative pressure module further comprises a sliding rail, and the sliding piece is in sliding fit with the sliding rail.
The further technical proposal is that: the vacuum bag comprises a hollow bag body with at least one open end and a sealing membrane, wherein the sealing membrane is connected with the hollow bag body and seals the hollow bag body.
The further technical proposal is that: the shape of the hollow bag body is a boss shape.
The further technical proposal is that: the device comprises a first chamber, a second chamber, a first flow channel, a third chamber, a second flow channel and a negative pressure module, wherein the first chamber is connected and communicated with the second chamber through the first flow channel, the second chamber is connected and communicated with the third chamber through the second flow channel, and the negative pressure module is connected and communicated with the third chamber in a sliding manner.
The further technical proposal is that: the negative pressure module comprises a vacuum bag and a needling, one of the vacuum bag and the needling is a sliding piece and is in sliding connection with the third chamber, the vacuum bag and the needling are mutually close under the action of centrifugal force, and the vacuum bag is pierced by the needling.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
first, including first room, second room, first runner and negative pressure module, first room is connected with the second room through first runner and is switched on, negative pressure module and second room sliding connection and switch on. According to the technical scheme, the liquid to be detected is introduced into the second chamber from the first chamber, so that the efficiency is high, and the effect is good.
Second, the negative pressure module includes vacuum package and acupuncture, one of vacuum package, acupuncture is the slider and with second room sliding connection, and the cooperation relationship between vacuum package and the acupuncture is that both are close to each other under the effect of centrifugal force, and vacuum package is pierced by the acupuncture. The technical scheme has the advantages of more reasonable and ingenious structure, simpler and more convenient production and lower processing cost.
Third, the sliding piece is in sliding fit along the radial direction of the rotating shaft. The technical scheme has more reasonable and ingenious structure and more stable performance.
Fourth, the slider is slidably fitted in a direction perpendicular to a radius of rotation thereof. This technical scheme, the structure is more reasonable ingenious, and the performance is more stable, and it is more convenient to use.
Fifth, the surface of the slider is in sliding engagement with the inner wall of the second chamber. The technical scheme has the advantages of simpler structure, better structural stability and more convenient production and assembly.
Sixth, negative pressure module still includes the slide rail, slider and slide rail sliding fit. This technical scheme, the structure is more reasonable ingenious, and the performance is more stable, and it is more convenient to use.
Seventh, the vacuum bag comprises a hollow bag body with at least one open end and a sealing membrane, wherein the sealing membrane is connected with the hollow bag body and seals the hollow bag body. The technical scheme has the advantages of more reasonable and ingenious structure, more stable performance and more convenient production, processing and use.
Eighth, the shape of the hollow bag body is a boss shape. This technical scheme, the structure is more reasonable ingenious, and is easier with acupuncture cooperation, the performance is more stable.
And the ninth chamber comprises a first chamber, a second chamber, a first flow passage, a third chamber, a second flow passage and a negative pressure module, wherein the first chamber is connected and communicated with the second chamber through the first flow passage, the second chamber is connected and communicated with the third chamber through the second flow passage, and the negative pressure module is connected and communicated with the third chamber in a sliding manner. According to the technical scheme, the negative pressure module does not occupy the space of the second chamber, and is favorable for accommodating liquid.
Tenth, the negative pressure module comprises a vacuum bag and a needling, one of the vacuum bag and the needling is a sliding piece and is in sliding connection with the third chamber, the vacuum bag and the needling are mutually close under the action of centrifugal force, and the vacuum bag is pierced by the needling. The technical scheme has the advantages of more reasonable and ingenious structure, simpler and more convenient production and lower processing cost.
See the description of the detailed description section.
Drawings
FIG. 1 is a block diagram of embodiment 1 of the present invention;
FIG. 2 is a block diagram of a vacuum bag in embodiment 1 of the present invention;
FIG. 3 is a block diagram of the hollow weld of FIG. 2;
FIG. 4 is a first state diagram of embodiment 1 of the present invention;
FIG. 5 is a second state diagram of embodiment 1 of the present invention;
FIG. 6 is a block diagram of a vacuum bag in embodiment 2 of the present invention;
FIG. 7 is a block diagram of the hollow weld of FIG. 6;
FIG. 8 is a partial cutaway view of the second chamber of example 2 of the present invention;
FIG. 9 is a diagram showing the motion state of the vacuum bag in embodiment 2 of the present invention;
FIG. 10 is a partial cutaway view of the second chamber of example 3 of the present invention;
FIG. 11 is a first state diagram of embodiment 3 of the present invention;
FIG. 12 is a second state diagram of embodiment 3 of the present invention;
fig. 13 is a structural view of a disk body in embodiment 4 of the present invention.
Wherein: the first chamber 1, the second chamber 2, the first runner 3, the first hollow bag body 4-1, the second hollow bag body 4-2, the first sealing film 5-1, the second sealing film 5-2, the first needling 6-1, the second needling 6-2, the third needling 6-3, the third chamber 7, the second runner 8, the first sliding rail 9-1, the second sliding rail 9-2, the third sliding rail 9-3, the sliding groove 10 and the tray 11.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.
Example 1:
as shown in fig. 1-5, the invention discloses a device for conveying liquid to the axis direction of a disc, which comprises a first chamber 1, a second chamber 2, a first flow channel 3 and a negative pressure module, wherein the first chamber 1 is connected and communicated with the second chamber 2 through the first flow channel 3, the negative pressure module comprises a first vacuum bag and a first needling 6-1, the first vacuum bag is in sliding fit with the second chamber 2, and the first needling 6-1 is fixedly connected with the bottom of the second chamber 2.
As shown in FIG. 2, the first vacuum bag consists of a first hollow bag body 4-1 and a first sealing film 5-1, wherein the first hollow bag body 4-1 is placed into a vacuum pumping device for vacuum pumping, and then the first hollow bag body 4-1 is connected and sealed by the first sealing film 5-1.
As shown in fig. 3, the first hollow bag body 4-1 is in a shape of a boss, which is a hollow shell with one end opened.
The left and right side walls and the bottom surface of the first hollow bag body 4-1 are in contact with the inner wall of the second chamber 2, and the first vacuum bag is static under static or slight vibration state by means of friction force between the left and right side walls and the bottom surface.
When in use, the device is arranged on the detection table.
As shown in fig. 4, initially, the liquid to be detected is located in the first chamber 1, the first hollow bag body 4-1 of the first vacuum bag is located on the side of the second chamber 2 close to the rotation axis, and the first needle 6-1 is located farther from the rotation axis than the first vacuum bag.
In order to introduce the liquid to be detected from the first chamber 1 into the second chamber 2, the detection stage is rotated.
In the rotated state, the first hollow bag body 4-1 generates a centrifugal force which, after overcoming the frictional force between the first hollow bag body 4-1 and the second chamber 2, starts to slide outward in the radial direction of the rotation shaft until the first sealing film 5-1 comes into contact with the first needle 6-1.
As shown in FIG. 5, when the resultant centrifugal force of the first hollow bag body 4-1 overcomes the pressure of the first needle penetration 6-1 to the first sealing film 5-1, the first sealing film 5-1 is penetrated by the first needle penetration 6-1, and thus a negative pressure is formed in the second chamber 2.
Under the action of the negative pressure in the second chamber 2, the liquid to be detected is introduced from the first chamber 1 into the second chamber 2.
Inventive concept of example 1: the first chamber 1, the first flow channel 3 and the second chamber 2 which are sequentially connected and communicated, and the vacuum bag and the needling which are positioned in the second chamber 2 are in sliding fit, the vacuum bag is enabled to slide outwards by utilizing a mode of generating centrifugal force through rotation, and the sliding vacuum bag is automatically pierced by the needling to form negative pressure, so that the technical problem that liquid to be detected is introduced into the second chamber 2 from the first chamber 1 is solved, and the liquid to be detected is introduced into the second chamber 2 from the first chamber 1 under the action of the suction force formed by the negative pressure module.
The suction formed by the negative pressure module is large, so that the working efficiency is high, and the effect is good. In the operation process, auxiliary equipment such as a pressing rod is not needed, so that the operation is more convenient, the stability is better, and the cost is lower.
Example 2:
as shown in fig. 6-9, embodiment 2 is similar to embodiment 1, except that a first slide rail 9-1 is additionally arranged at the bottom of the second chamber 2, a slide groove 10 is additionally arranged at the bottom of the vacuum bag, the first slide rail 9-1 is slidably connected with the slide groove 10, the left side and the right side of the second vacuum bag are not in contact with the inner wall of the second chamber 2, and the second vacuum bag is slidably connected between the first slide rail 9-1 and the top wall of the second chamber 2.
As shown in FIG. 6, the second vacuum bag consists of a second hollow bag body 4-2 and a second sealing film 5-2, a chute 10 is arranged at the bottom of the second hollow bag body 4-2, the second hollow bag body 4-2 is placed into a vacuumizing device for vacuumizing, and then the second hollow bag body 4-2 is connected and sealed by the second sealing film 5-2.
As shown in fig. 7, the second hollow bag body 4-2 has a shape of a boss, which is a hollow shell with one end opened.
As shown in fig. 8, the first sliding rail 9-1 is fixedly connected to the bottom between the tip of the first needling 6-1 and the sidewall of the second chamber 2, and the first sliding rail 9-1 is distributed along the radial direction of the rotation axis.
The top wall of the second hollow bag body 4-2 is contacted with the top wall of the second chamber 2, the sliding groove 10 of the second hollow bag body 4-2 is contacted with the first sliding rail 9-1, and the second vacuum bag is static by virtue of friction force between the second vacuum bag and the first sliding rail 9-1 and the top wall of the second chamber 2 under the static or slight vibration state.
As shown in FIG. 9, when the resultant centrifugal force of the second hollow bag body 4-2 overcomes the pressure of the first needle penetration 6-1 to the second sealing film 5-2, the second sealing film 5-2 is penetrated by the first needle penetration 6-1, and thus a negative pressure is formed in the second chamber 2.
Under the action of the negative pressure in the second chamber 2, the liquid to be detected is introduced from the first chamber 1 into the second chamber 2.
Inventive concept of example 2: the vacuum bag, the needling, the sliding chute 10 and the sliding rail are sequentially connected with the first chamber 1, the first flow channel 3 and the second chamber 2, and are positioned in the second chamber 2 and distributed along the radial direction of the rotating shaft, and the vacuum bag is in sliding fit with the second chamber 2 through the sliding rail and the sliding chute 10. Due to the mutual adaptation of the slide groove 10 and the slide rail, the sliding direction of the vacuum bag can be better controlled, and the structure of the vacuum bag is not too dependent on the structure of the second chamber 2, and the vacuum bag can be made smaller. The vacuum bag is enabled to slide outwards in a mode of generating centrifugal force by rotation, and the sliding vacuum bag is automatically pierced by a needle to form negative pressure, so that the technical problem that liquid to be detected is introduced into the second chamber 2 from the first chamber 1 is solved, and the liquid to be detected is introduced into the second chamber 2 from the first chamber 1 under the action of the suction force formed by the negative pressure module.
The suction formed by the negative pressure module is large, so that the working efficiency is high, and the effect is good. In the operation process, auxiliary equipment such as a pressing rod is not needed, so that the operation is more convenient, the stability is better, and the cost is lower. The vacuum bag can be made smaller, and the cost is further reduced.
Example 3:
as shown in fig. 10-12, embodiment 3 is similar to embodiment 2, except that a second slide rail 9-2 is provided at the bottom of the second chamber 2, the second slide rail 9-2 is slidably connected to the slide groove 10, and the first needling 6-1 is changed to the second needling 6-2.
As shown in fig. 10, the second needling 6-2 and the second slide rail 9-2 are fixedly connected to the bottom of the second chamber 2 and distributed along the rotation direction, and the second slide rail 9-2 is located between the tip of the second needling 6-2 and the side wall of the second chamber 2.
The top wall of the second hollow bag body 4-2 is contacted with the top wall of the second chamber 2, the sliding groove 10 of the second hollow bag body 4-2 is contacted with the second sliding rail 9-2, and the second vacuum bag is static by virtue of friction force between the second vacuum bag and the second sliding rail 9-2 and the top wall of the second chamber 2 under the static or slight vibration state.
As shown in fig. 11, initially, the liquid to be detected is located in the first chamber 1, the second hollow bag body 4-2 of the second vacuum bag is located in the left part of the second chamber 2, and the second needle-punched 6-2 is located in the right part of the second chamber 2.
The detection table is rotated clockwise, the relative movement trend occurs between the second hollow bag body 4-2 and the second chamber 2, after the second hollow bag body 4-2 overcomes the friction force between the second hollow bag body and the second sliding rail 9-2 and the top wall of the second chamber 2, the second vacuum bag starts to slide rightwards along the vertical direction of the rotation radius until the second sealing film 5-2 is contacted with the second needling 6-2.
As shown in FIG. 12, when the resultant force on the second hollow weld 4-2 overcomes the pressure of the second needle 6-2 against the second sealing membrane 5-2, the second sealing membrane 5-2 is pierced by the second needle 6-2, and a negative pressure is formed in the second chamber 2.
Under the action of the negative pressure in the second chamber 2, the liquid to be detected is introduced from the first chamber 1 into the second chamber 2.
Inventive concept of example 3: the vacuum bag is in sliding fit with the second chamber 2 through the sliding rail and the sliding groove 10. Due to the mutual adaptation of the slide groove 10 and the slide rail, the sliding direction of the vacuum bag can be better controlled, and the structure of the vacuum bag is not too dependent on the structure of the second chamber 2, and the vacuum bag can be made smaller. The sliding direction of the vacuum bag is controlled by controlling the rotating direction, and the vacuum bag sliding towards the needling direction is automatically needled to form negative pressure, so that the technical problem that liquid to be detected is introduced into the second chamber 2 from the first chamber 1 is solved, and the liquid to be detected is introduced into the second chamber 2 from the first chamber 1 under the action of the suction force formed by the negative pressure module.
The suction formed by the negative pressure module is large, so that the working efficiency is high, and the effect is good. In the operation process, auxiliary equipment such as a pressing rod is not needed, so that the operation is more convenient, the stability is better, and the cost is lower. The vacuum bag can be made smaller, and the cost is further reduced. The vacuum bag is controlled to form negative pressure by controlling the rotation direction of the device, so that the device is more convenient to use.
Example 4:
as shown in fig. 13, embodiment 4 is similar to embodiment 3, and the invention discloses a device for delivering liquid to the axis direction of a disc, which comprises a first chamber 1, a second chamber 2, a first flow channel 3, a third chamber 7, a second flow channel 8, a second vacuum bag, a third needling 6-3 and a third sliding rail 9-3, wherein the first chamber 1, the second chamber 2, the first flow channel 3, the third chamber 7 and the second flow channel 8 are arranged on a disc body 11, the first chamber 1 is connected and communicated with the second chamber 2 through the first flow channel 3, the second chamber 2 is connected and communicated with the third chamber 7 through the second flow channel 8, and the second chamber 2 is closer to the center of the disc body 11 than the first chamber 1.
The third needling 6-3 and the third sliding rail 9-3 are fixedly connected to the bottom of the third chamber 7 and distributed along the rotation direction, and the third sliding rail 9-3 is positioned between the tip of the third needling 6-3 and the side wall of the third chamber 7.
The second vacuum bag is positioned at the left part in the third chamber 7, and the sliding groove 10 of the second hollow bag body 4-2 is in sliding fit with the third sliding rail 9-3 to fix the coating film on the top of the tray body 11. The top wall of the second hollow bag body 4-2 is in sliding fit with the tectorial membrane above the third chamber 7, and the second vacuum bag is static under the static or slight vibration state by means of friction force between the second vacuum bag and the top walls of the third slide rail 9-3 and the third chamber 7.
In the first detection, the liquid to be detected is positioned in the first chamber 1, the second hollow bag body 4-2 of the second vacuum bag is positioned at the left part of the third chamber 7, and the third needling 6-3 is positioned at the right part of the third chamber 7.
The detection table is rotated clockwise, the relative movement trend occurs between the second hollow bag body 4-2 and the third chamber 7, after the second hollow bag body 4-2 overcomes the friction force between the second hollow bag body and the third sliding rail 9-3 and the top wall of the third chamber 7, the second vacuum bag starts to slide rightwards along the vertical direction of the rotation radius until the second sealing film 5-2 is contacted with the third needling 6-3.
When the resultant force on the second hollow weld 4-2 overcomes the pressure of the third needle 6-3 against the second sealing membrane 5-2, the second sealing membrane 5-2 is pierced by the third needle 6-3, whereupon a negative pressure is created in the third chamber 7.
Under the action of the negative pressure in the third chamber 7, the liquid to be detected is introduced from the first chamber 1 into the second chamber 2.
Inventive concept of example 4: the vacuum bag, the needling, the sliding chute 10 and the sliding rail which are sequentially connected and communicated with the first chamber 1, the first flow passage 3, the second chamber 2, the second flow passage 8 and the third chamber 7, and are positioned in the third chamber 7 and distributed along the vertical direction of the rotating radius are adopted, and the vacuum bag is in sliding fit with the third chamber 7 through the sliding rail and the sliding chute 10. Due to the mutual adaptation of the slide groove 10 and the slide rail, the sliding direction of the vacuum bag can be better controlled and the structure of the vacuum bag is not dependent on the structure of the third chamber 7, which can be made smaller. The sliding direction of the vacuum bag is controlled by controlling the rotating direction, and the vacuum bag sliding towards the needling direction is automatically needled to form negative pressure, so that the technical problem that liquid to be detected is introduced into the second chamber 2 from the first chamber 1 is solved, and the liquid to be detected is introduced into the second chamber 2 from the first chamber 1 under the action of the suction force formed by the negative pressure module.
The suction formed by the negative pressure module is large, so that the working efficiency is high, and the effect is good. In the operation process, auxiliary equipment such as a pressing rod is not needed, so that the operation is more convenient, the stability is better, and the cost is lower. The vacuum bag can be made smaller, and the cost is further reduced. The vacuum bag is controlled to form negative pressure by controlling the rotation direction of the device, so that the device is more convenient to use. The negative pressure module is positioned in the third chamber 7, does not occupy the space of the second chamber 2, and is favorable for containing liquid.
Claims (8)
1. A device for delivering liquid in the axial direction of a disc, characterized by: the device comprises a first chamber (1), a second chamber (2), a first flow channel (3) and a negative pressure module, wherein the first chamber (1) is connected and communicated with the second chamber (2) through the first flow channel (3), and the negative pressure module is connected and communicated with the second chamber (2) in a sliding way; the negative pressure module comprises a vacuum bag and a needling, one of the vacuum bag and the needling is a sliding piece and is in sliding connection with the second chamber (2), the vacuum bag and the needling are mutually close under the action of centrifugal force, and the vacuum bag is pierced by the needling.
2. The device for feeding liquid in the axial direction of the disc according to claim 1, wherein: the sliding piece is in sliding fit along the radial direction of the rotating shaft.
3. The device for feeding liquid in the axial direction of the disc according to claim 1, wherein: the slider is a sliding fit along the vertical direction of its radius of rotation.
4. The device for feeding liquid in the axial direction of the disc according to claim 1, wherein: the surface of the slide is in sliding engagement with the inner wall of the second chamber (2).
5. The device for feeding liquid in the axial direction of the disc according to claim 1, wherein: the negative pressure module further comprises a sliding rail, and the sliding piece is in sliding fit with the sliding rail.
6. The apparatus for feeding liquid in the axial direction of a disc according to any one of claims 1 to 5, wherein: the vacuum bag comprises a hollow bag body with at least one open end and a sealing membrane, wherein the sealing membrane is connected with the hollow bag body and seals the hollow bag body.
7. The device for feeding liquid in the axial direction of the disc according to claim 6, wherein: the shape of the hollow bag body is a boss shape.
8. A device for delivering liquid in the axial direction of a disc, characterized by: the device comprises a first chamber (1), a second chamber (2), a first flow passage (3), a third chamber (7), a second flow passage (8) and a negative pressure module, wherein the first chamber (1) is connected and communicated with the second chamber (2) through the first flow passage (3), the second chamber (2) is connected and communicated with the third chamber (7) through the second flow passage (8), and the negative pressure module is connected and communicated with the third chamber (7) in a sliding manner; the negative pressure module comprises a vacuum bag and a needling, one of the vacuum bag and the needling is a sliding piece and is in sliding connection with the third chamber (7), the vacuum bag and the needling are mutually close under the action of centrifugal force, and the vacuum bag is pierced by the needling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910289856.8A CN109884330B (en) | 2019-04-11 | 2019-04-11 | Device for delivering liquid to disc axle center direction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910289856.8A CN109884330B (en) | 2019-04-11 | 2019-04-11 | Device for delivering liquid to disc axle center direction |
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| CN109884330A CN109884330A (en) | 2019-06-14 |
| CN109884330B true CN109884330B (en) | 2024-03-26 |
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| CN104169590A (en) * | 2012-02-23 | 2014-11-26 | 哈恩-席卡德应用研究学会 | Fluidics module, device and method for pumping a liquid |
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| CN107212892A (en) * | 2016-03-22 | 2017-09-29 | 雷鸣 | A kind of vacuum assist hemostix |
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