CN219615569U - Driving wheel disc assembly of micro-fluidic chip extrusion mechanism - Google Patents
Driving wheel disc assembly of micro-fluidic chip extrusion mechanism Download PDFInfo
- Publication number
- CN219615569U CN219615569U CN202321258824.XU CN202321258824U CN219615569U CN 219615569 U CN219615569 U CN 219615569U CN 202321258824 U CN202321258824 U CN 202321258824U CN 219615569 U CN219615569 U CN 219615569U
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- wheel body
- extrusion mechanism
- right wheel
- left wheel
- microfluidic chip
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- 238000001125 extrusion Methods 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 19
- 238000003756 stirring Methods 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 description 6
- 239000003480 eluent Substances 0.000 description 6
- 238000011529 RT qPCR Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010222 PCR analysis Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000006166 lysate Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a driving wheel disc assembly of a microfluidic chip extrusion mechanism, which comprises a driving cam and a stirring block, wherein the driving cam comprises a left wheel body, a right wheel body and a connecting shaft, the axes of the left wheel body, the right wheel body and the connecting shaft are collinear, and two sides of the connecting shaft are respectively connected with the left wheel body and the right wheel body to form an I-shaped structure; the diameter of the connecting shaft is smaller than the diameters of the left wheel body and the right wheel body, and a limit area is formed between the left wheel body and the right wheel body; yielding notches are arranged at corresponding positions on the left wheel body and the right wheel body; the shape of the poking block corresponds to the shape of the abdication notch. The utility model is mainly used for driving the cavity extrusion rod and realizing the purpose of extruding the cavity, so that the liquid in the liquid bag in the microfluidic chip can enter the working cavity, and the stability of the extrusion rod during movement is improved.
Description
Technical Field
The utility model relates to the technical field of real-time fluorescence PCR analysis equipment, in particular to a driving wheel disc assembly of a microfluidic chip extrusion mechanism.
Background
The application number is: CN202222107463.0, publication number: the utility model of CN218742049U discloses an integrated qPCR micro-fluidic chip structure (hereinafter referred to as prior art 1), which comprises a qPCR micro-fluidic chip body, a hard film and a soft film, wherein the qPCR micro-fluidic chip body is provided with a sample adding port, a working cavity, a waste liquid cavity, a lysate cavity, an eluent cavity and a plurality of cleaning liquid cavities; the sample adding port is provided with a detachable sample rubber plug, and the sample adding port, the cracking liquid cavity, the cleaning liquid cavity, the eluent cavity and the waste liquid cavity are respectively communicated with the working cavity through a sample runner, a cracking liquid runner, a cleaning liquid runner, an eluent runner and a waste liquid runner; the inside of the lysis solution cavity, the cleaning solution cavity and the eluent cavity is provided with a solution package and a puncturing structure for puncturing the solution package.
When the microfluidic chip described in the comparison document 1 is used for sample detection, a cracking liquid cavity, an eluent cavity and a plurality of cleaning liquid cavities are arranged on the qPCR microfluidic chip body, extrusion of the cracking liquid cavity, the eluent cavity and the plurality of cleaning liquid cavities is required to be realized in order to ensure that liquid in the cavities can enter the working cavity, liquid in a liquid bag in the cavities is extruded into the working cavity, and an extrusion structure matched with the microfluidic chip structure does not exist in the prior art; in the prior art, a conventional driving mode adopts a cam mode to drive, but the cam driving can have the problem that one cam or a squeezing rod is worn, and the squeezing is not in place due to the wear easily in the later use period.
Disclosure of Invention
The utility model aims to provide a driving wheel disc assembly of a microfluidic chip extrusion mechanism, which is mainly used for driving a cavity extrusion rod and achieving the purpose of extruding the cavity, so that liquid in a liquid bag in a microfluidic chip can enter a working cavity, and the stability of the extrusion rod during movement is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the driving wheel disc assembly of the micro-fluidic chip extrusion mechanism comprises a driving cam and a stirring block, wherein the driving cam comprises a left wheel body, a right wheel body and a connecting shaft, the axes of the left wheel body, the right wheel body and the connecting shaft are collinear, and two sides of the connecting shaft are respectively connected with the left wheel body and the right wheel body to form an I-shaped structure;
the diameter of the connecting shaft is smaller than the diameters of the left wheel body and the right wheel body, and a limit area is formed between the left wheel body and the right wheel body;
yielding notches are arranged at corresponding positions on the left wheel body and the right wheel body; the shape of the poking block corresponds to the shape of the abdicating notch, one side of the poking block is provided with a push rod installation groove, a connecting part is arranged far away from the push rod installation groove, and the connecting part is positioned in the limiting area and hinged with the left wheel body and the right wheel body; the push rod mounting groove is used for hinging the extrusion rod, and the left side wheel body is used for being connected with the driving motor.
The push rod is provided with a first through hole, the left wheel body and the right wheel body are provided with second through holes, and the push rod is hinged with the left wheel body and the right wheel body through a first pin column arranged in the first through hole and the second through hole.
Further preferably, the connecting part is hinged on the left wheel body and the right wheel body through the second pin.
Wherein, left side wheel body terminal surface is provided with square connecting hole, and square connecting hole is used for being connected with driving motor.
Further optimized, the right side wheel body end face is provided with a cam shaft, and the cam shaft is used for being rotationally connected with an installation cylinder in the micro-fluidic chip extrusion mechanism.
The cam shaft is sleeved with a bearing and is rotationally connected with the mounting cylinder through the bearing.
Further defined, the cam shaft is a hollow shaft, and the end face in the cam is provided with a detection notch.
The side of the left side wheel body is provided with a threaded hole, the threaded hole is communicated with the square connecting hole, and a fastening screw is arranged in the threaded hole.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model mainly provides a driving mechanism which is used for pushing a push rod so as to squeeze a cavity in a microfluidic chip; in actual use, the driving cam is driven to rotate by the driving motor, as the two sides of the connecting shaft are respectively connected with the left wheel body and the right wheel body to form an I-shaped structure, the stirring block is provided with a connecting part far away from the push rod mounting groove, the connecting part is positioned in the limiting area and hinged with the left wheel body and the right wheel body, meanwhile, the extrusion rod is hinged with the push rod mounting groove, when the driving cam rotates, the driving of the stirring block can be realized, and the extrusion rod is driven to move by the stirring block; compared with the mode of directly driving the extrusion rod by adopting the cam, the extrusion rod, the stirring block and the driving cam form a direct driving mechanism, and in actual use, the extrusion rod provided by the utility model runs more stably under the action of the left wheel body and the right wheel body, and meanwhile, the abrasion can be reduced, and the situation that the extrusion is not in place is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of the present utility model.
FIG. 2 is a second schematic diagram of the overall structure of the present utility model.
Fig. 3 is a schematic diagram of the connection relationship between the present utility model and the mounting cylinder in the microfluidic chip pressing mechanism.
Reference numerals:
101-driving cam, 102-toggle block, 103-left wheel body, 104-right wheel body, 105-threaded hole, 106-abdication notch, 107-push rod mounting groove, 108-connecting part, 109-driving motor, 110-second through hole, 111-first pin, 112-square connecting hole, 113-camshaft, 114-mounting cylinder, 115-detection notch, 116-second pin, 117-push rod.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In embodiments of the utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-3, the embodiment discloses a driving wheel disc assembly of a microfluidic chip extrusion mechanism, which comprises a driving cam 101 and a poking block 102, wherein the driving cam 101 comprises a left wheel body 103, a right wheel body 104 and a connecting shaft, the axes of the left wheel body 103, the right wheel body 104 and the connecting shaft are collinear, and two sides of the connecting shaft are respectively connected with the left wheel body 103 and the right wheel body 104 to form an I-shaped structure;
the diameter of the connecting shaft is smaller than the diameters of the left wheel body 103 and the right wheel body 104, and a limit area is formed between the left wheel body 103 and the right wheel body 104;
the left wheel body 103 and the right wheel body 104 are respectively provided with a yielding notch 106 at the corresponding positions; the shape of the poking block 102 corresponds to the shape of the abdication notch 106, one side of the poking block 102 is provided with a push rod mounting groove 107, the poking block 102 is provided with a connecting part 108 far away from the push rod mounting groove 107, and the connecting part 108 is positioned in a limiting area and hinged with the left wheel body 103 and the right wheel body 104; the push rod mounting groove 107 is used for hinging the extrusion rod, and the left wheel body 103 is used for being connected with the driving motor 109.
The utility model mainly provides a driving mechanism which is used for pushing the push rod 117 so as to squeeze a cavity in the microfluidic chip; in actual use, the driving cam 101 is driven to rotate by the driving motor 109, as two sides of the connecting shaft are respectively connected with the left wheel body 103 and the right wheel body 104 to form an I-shaped structure, the stirring block 102 is provided with a connecting part 108 far away from the push rod mounting groove 107, the connecting part 108 is positioned in a limiting area and hinged with the left wheel body 103 and the right wheel body 104, meanwhile, the extrusion rod is hinged with the push rod mounting groove 107, when the driving cam 101 rotates, the driving of the stirring block 102 can be realized, and the extrusion rod is driven to move by the stirring block 102; compared with the mode of adopting a cam to directly drive the extrusion rod, the stirring block 102 and the driving cam 101 form a direct driving mechanism, the utility model has the advantages that in actual use, under the action of the left wheel body 103 and the right wheel body 104, the operation is more stable, the abrasion can be reduced, and the situation that the extrusion is not in place is avoided.
The push rod 117 is provided with a first through hole, the left wheel body 103 and the right wheel body 104 are provided with a second through hole 110, and the push rod 117 is hinged with the left wheel body 103 and the right wheel body 104 through a first pin 111 arranged in the first through hole and the second through hole; the toggle block 102 is hinged with the push rod 117 through the first pin 111, and in practical use, the first pin 111 and the push rod 117 can be connected through a bearing in order to reduce abrasion.
The connecting portion 108 is hinged to the left wheel body 103 and the right wheel body 104 through a second pin 116.
Further preferably, the end face of the left wheel body 103 is provided with a square connecting hole 112, and the square connecting hole 112 is used for being connected with the driving motor 109. The square connection hole 112 is provided to facilitate connection with the driving motor 109.
Example two
In order to ensure that the extrusion rod can stably extrude the cavity in the microfluidic chip, in practical use, the end face of the right wheel body 104 is provided with a cam shaft 113, and the cam shaft 113 is used for being rotationally connected with a mounting cylinder 114 in the extrusion mechanism of the microfluidic chip.
The cam shaft 113 is sleeved with a bearing, and the cam shaft 113 is rotatably connected with the mounting cylinder 114 through the bearing.
Like this, through carrying out spacingly to the terminal surface of camshaft 113, can make camshaft 113 can not appear the wobbling condition in the pivoted, can effectually improve the stability when the device operates.
Further preferably, the cam shaft 113 is a hollow shaft, and a detection notch 115 is formed in the end face of the cam; this facilitates detection of the position of the cam shaft 113 using a sensor so as to adjust the angle at which the cam shaft 113 rotates.
Further preferably, the side surface of the left wheel body 103 is provided with a threaded hole 105, the threaded hole 105 is communicated with a square connecting hole 112, a fastening screw is arranged in the threaded hole 105, and the left wheel body 103 and the output of the driving motor 109 can be reinforced through the fastening screw.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a drive rim plate subassembly of micro-fluidic chip extrusion mechanism which characterized in that: the driving cam comprises a left wheel body, a right wheel body and a connecting shaft, the axes of the left wheel body, the right wheel body and the connecting shaft are collinear, and two sides of the connecting shaft are respectively connected with the left wheel body and the right wheel body to form an I-shaped structure;
the diameter of the connecting shaft is smaller than the diameters of the left wheel body and the right wheel body, and a limit area is formed between the left wheel body and the right wheel body;
yielding notches are arranged at corresponding positions on the left wheel body and the right wheel body; the shape of the poking block corresponds to the shape of the abdicating notch, one side of the poking block is provided with a push rod mounting groove, the poking block is provided with a connecting part far away from the push rod mounting groove, and the connecting part is positioned in the limiting area and hinged with the left wheel body and the right wheel body; the push rod mounting groove is used for hinging the extrusion rod, and the left side wheel body is used for being connected with the driving motor.
2. The drive sheave assembly of a microfluidic chip extrusion mechanism according to claim 1, wherein: be provided with first through-hole on the push rod, be provided with the second through-hole on left side wheel body, the right side wheel body, the push rod is realized with the articulated of left side wheel body, right side wheel body through installing the first round pin post in first, the second through-hole.
3. The drive sheave assembly of a microfluidic chip extrusion mechanism according to claim 1, wherein: the connecting part is hinged on the left wheel body and the right wheel body through a second pin.
4. The drive sheave assembly of a microfluidic chip extrusion mechanism according to claim 1, wherein: the left side wheel body terminal surface is provided with square connecting hole, and square connecting hole is used for being connected with driving motor.
5. The drive sheave assembly of a microfluidic chip extrusion mechanism according to claim 1, wherein: the right side wheel body terminal surface is provided with the camshaft, and the camshaft is arranged in rotating connection with the installation section of thick bamboo in the micro-fluidic chip extrusion mechanism.
6. The drive sheave assembly of a microfluidic chip extrusion mechanism according to claim 5, wherein: the cam shaft is sleeved with a bearing and is rotationally connected with the mounting cylinder through the bearing.
7. The drive sheave assembly of a microfluidic chip extrusion mechanism according to claim 5, wherein: the cam shaft is a hollow shaft, and a detection notch is arranged on the end face in the cam.
8. The drive sheave assembly of a microfluidic chip extrusion mechanism according to claim 4, wherein: the left side wheel body side is provided with the screw hole, and the screw hole communicates with square connecting hole, and threaded hole is provided with fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321258824.XU CN219615569U (en) | 2023-05-23 | 2023-05-23 | Driving wheel disc assembly of micro-fluidic chip extrusion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321258824.XU CN219615569U (en) | 2023-05-23 | 2023-05-23 | Driving wheel disc assembly of micro-fluidic chip extrusion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219615569U true CN219615569U (en) | 2023-09-01 |
Family
ID=87797076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321258824.XU Active CN219615569U (en) | 2023-05-23 | 2023-05-23 | Driving wheel disc assembly of micro-fluidic chip extrusion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219615569U (en) |
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2023
- 2023-05-23 CN CN202321258824.XU patent/CN219615569U/en active Active
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