CN217440284U - Adapter structure and injection module control system - Google Patents
Adapter structure and injection module control system Download PDFInfo
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- CN217440284U CN217440284U CN202221276174.7U CN202221276174U CN217440284U CN 217440284 U CN217440284 U CN 217440284U CN 202221276174 U CN202221276174 U CN 202221276174U CN 217440284 U CN217440284 U CN 217440284U
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- adapter structure
- plunger pump
- adapter
- pressure sensor
- injection head
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Abstract
The utility model relates to a plunger pump technical field discloses an adapter structure and injection module control system. This adapter structure is used for communicateing plunger pump and pressure sensor, the plunger pump includes plunger pump main part and injection head, the first end of injection head is connected in the plunger pump main part, the second end of injection head can export the medium, pressure sensor inlays and locates inside the adapter structure, the adapter structure is connected with the plunger pump bulk phase, the inside medium passageway that is provided with of adapter structure, the second end and the medium passageway of injection head are linked together, the inside intercommunicating pore that still is provided with of adapter structure, intercommunicating pore intercommunication medium passageway and pressure sensor. The connection of the pressure sensor and the output port of the plunger pump can be realized by connecting the adapter structure with the plunger pump main body, and the assembly is convenient; moreover, the volume after assembly is favorably reduced; moreover, pressure sensor and plunger pump are integrated through the adapter structure, are favorable to filling device's modularization development.
Description
Technical Field
The utility model relates to a plunger pump technical field especially relates to an adapter structure and injection module control system.
Background
In recent years, the biochip technology has been developed rapidly, especially the microfluidic technology, the new material technology and the artificial intelligence technology, so that the biochip technology is gradually industrialized. The micro-fluidic chip technology integrates basic operation units such as sample preparation, reaction, separation, detection and the like in the biological, chemical and medical analysis process into a chip, and automatically finishes the whole analysis process. Due to the great potential of the microfluidic chip in the fields of biology, chemistry, medicine and the like, the microfluidic chip has been developed into a new research field crossing the disciplines of biology, chemistry, medicine, fluid, electronics, materials, machinery and the like.
When the biochip is used for high-throughput single cell sequencing, a single cell suspension is generally injected into the biochip through a plunger pump for reaction. In the process of injecting single cell suspension by a plunger pump, the injection pressure needs to be controlled to realize high-precision, smooth and pulsation-free liquid transmission, so that a pressure sensor is usually required to be arranged at a liquid outlet of the plunger pump to measure the liquid pressure at the liquid outlet. At present pressure sensor's connected mode need punch on plunger pump's syringe head so that pressure sensor can be linked together with syringe head is inside, and pressure sensor assembles inconveniently, and the equipment back is bulky moreover, is unfavorable for annotating the modular development of liquid equipment.
In summary, there is a need for an adapter structure and an injection module control system to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adapter structure, solved current plunger pump and pressure sensor equipment inconvenient, the great problem of post-assembly volume.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an adapter structure for communicate plunger pump and pressure sensor, the plunger pump includes plunger pump main part and injection head, the first end of injection head connect in the plunger pump main part, the second end of injection head can export the medium, pressure sensor inlays to be located inside the adapter structure, the adapter structure with the plunger pump main part is connected, the inside medium passageway that is provided with of adapter structure, the injection head the second end with medium passageway is linked together, the inside intercommunicating pore that still is provided with of adapter structure, the intercommunicating pore intercommunication medium passageway with pressure sensor.
As an alternative, the adapter structure includes:
the adapter main body is connected with the plunger pump main body, and the medium channel and the communication hole are arranged in the adapter main body; and
the end cover with the relative mounting groove that is provided with in the adapter main part, pressure sensor set up in the mounting groove.
Optionally, the end cap is connected to the adapter body by a plurality of first fasteners.
Alternatively, the injection head extends into the medium channel, and the inner wall of the medium channel is connected with the injection head in a sealing mode.
Alternatively, a seal is sandwiched between the inner wall of the media channel and the injector head.
Alternatively, the sealing element is a sealing ring which can be placed over the injection head and inserted into the medium channel.
Alternatively, the sealing ring is in an interference fit with the medium passage.
As an alternative, the adapter structure further comprises an output tube connected to the output end of the medium channel.
Optionally, the adapter structure is connected to the plunger pump body by a plurality of second fasteners.
Another object of the utility model is to provide an injection module control system, solved current injection device volume great, integrate the lower problem of degree.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an injection module control system, includes plunger pump and pressure sensor, still includes as above the adapter structure, pressure sensor passes through the adapter structure with the plunger pump communicates with each other.
The utility model has the advantages that:
the utility model provides an adapter structure, connect it with the plunger pump main part can realize the intercommunication of pressure sensor and plunger pump export to realize measuring the liquid pressure of liquid outlet, need not to punch the operation on the injection head, it is comparatively convenient to assemble; moreover, the pressure sensor is embedded in the adapter structure, so that the volume after assembly is favorably reduced; moreover, pressure sensor and plunger pump are integrated through the adapter structure, are favorable to filling device's modularization development.
The utility model provides an injection module control system connects plunger pump and pressure sensor through the adapter structure, occupies smallly, and has greatly improved modular design efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an injection module control system provided by the present invention;
fig. 2 is a schematic structural view of the adapter structure provided by the present invention with a pressure sensor;
fig. 3 is a schematic structural diagram of the adapter structure provided by the present invention without a pressure sensor.
In the figure:
1. an adapter structure; 11. an adapter body; 111. a media channel; 112. a communicating hole; 113. a second connection hole; 114. a limiting groove; 12. an end cap; 121. a through hole; 122. a first connection hole; 13. mounting grooves; 14. an output pipe;
2. a plunger pump;
3. a pressure sensor; 31. and connecting the lead.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
When the biochip is used for high-throughput single cell sequencing, a single cell suspension is generally injected into the biochip through a plunger pump for reaction. In the process of injecting single cell suspension by a plunger pump, the injection pressure needs to be controlled to realize high-precision, stable and pulsation-free liquid transmission. Therefore, it is usually necessary to provide a pressure sensor at the liquid outlet of the plunger pump to measure the liquid pressure at the liquid outlet.
To this end, as shown in fig. 1 and 2, the present embodiment provides an adapter structure 1 for communicating a plunger pump 2 and a pressure sensor 3, wherein the plunger pump 2 includes a plunger pump body and an injection head (not shown), a first end of the injection head is connected to the plunger pump body, and a second end of the injection head is capable of outputting a medium. The pressure sensor 3 is embedded in the adapter structure 1, the adapter structure 1 is connected with the plunger pump main body, a medium channel 111 is arranged in the adapter structure 1, the second end of the injection head is communicated with the medium channel 111, a communication hole 112 is further arranged in the adapter structure 1, and the communication hole is communicated with the medium channel 111 and the pressure sensor 3. In the adapter structure 1 in the embodiment, the pressure sensor 3 can be communicated with the output port of the plunger pump 2 by connecting the adapter structure with the plunger pump main body, so that the liquid pressure of the liquid outlet can be measured, the injection head does not need to be punched, and the assembly is convenient; moreover, the pressure sensor 3 is embedded in the adapter structure 1, so that the volume after assembly is reduced; moreover, through adapter structure 1 to pressure sensor 3 and plunger pump 2 integration, be favorable to filling device's modularization development.
Specifically, as shown in fig. 1, the adapter structure 1 is connected to the plunger pump body through a plurality of second fasteners. In this embodiment, the second fastening member is a bolt, the adapter structure 1 and the plunger pump body are respectively provided with a second connecting hole 113 facing each other, and the bolt is screwed into the second connecting hole 113 to fasten the two. It should be noted that, the connection mode between the adapter structure 1 and the plunger pump main body is not limited to this, and in other embodiments, a snap connection or other connection modes may also be adopted, and it is sufficient to firmly connect the adapter 1 to the plunger pump main body.
It should be noted that the adapter structure 1 provided in this embodiment is not limited to be applied to a plunger pump for delivering liquid, and is also applicable to a case where the medium to be delivered is gas.
Preferably, the pressure sensor 3 is a piezoelectric pressure sensor, which is a product combining an oil-filled core body of a traditional diffused silicon pressure sensor and a novel digital compensation amplifying circuit with a microprocessor into a whole. The oil-filled core has the advantages of high precision, good repeatability and stability and wide range of measurement of the traditional diffused silicon oil-filled core, and also has the advantages of accurate temperature compensation and wide compensation range of a digital compensation amplifying circuit, capability of performing linear correction on a sensor and flexible and diverse output forms.
Further, as shown in fig. 2 and 3, the adapter structure 1 includes an adapter main body 11 and an end cover 12, the adapter main body 11 is connected to the plunger pump main body, and the medium passage 111 and the communication hole 112 are provided inside the adapter main body 11. The end cover 12 and the adapter body 11 are relatively provided with an installation groove 13, and the pressure sensor 3 is arranged in the installation groove 13. When pressure sensor 3 installs, open end cover 12, place pressure sensor 3 in mounting groove 13, then close end cover 12, cover pressure sensor 3 and establish, be favorable to protecting pressure sensor 3. The top end of the end cover 12 is provided with a through hole 121, and the connecting lead 31 of the pressure sensor 3 penetrates out of the through hole 121 to be conveniently connected with external control equipment.
Preferably, referring to fig. 1, the end cap 12 is connected to the adapter body 11 by a plurality of first fasteners to securely connect the end cap 12 to the adapter body 11. In this embodiment, the first fastener adopts the bolt, and end cover 12 and adapter main part 11 set up to the cuboid, and the four corners of end cover 12 and adapter main part 11 is provided with just right first connecting hole 122 respectively, and the bolt is twisted first connecting hole 122 and is fastened and connected. It should be noted that the connection mode between the end cover 12 and the adapter main body 11 is not limited, and in other embodiments, the end cover 12 may be clamped to the adapter main body 11.
Further, the injection head extends into the medium channel 111, and the inner wall of the medium channel 111 is connected with the injection head in a sealing manner so as to limit the medium in the medium channel 111 from overflowing from the joint of the adapter body 11 and the injection head. Specifically, a sealing member is sandwiched between the inner wall of the medium channel 111 and the injection head to seal the inner wall of the medium channel 111 and the injection head. The sealing element is specifically a sealing ring, the sealing ring can be sleeved on the injection head and embedded into the medium channel 111, as shown in fig. 3, a limiting groove 114 is arranged on the inner wall of the liquid inlet of the medium channel 111, and the sealing ring is limited in the limiting groove 114. Preferably, the sealing ring is in interference fit with the medium channel 111, so that the sealing ring can be more firmly installed in the limiting groove 114, and a good sealing effect between the sealing ring and the inner wall of the medium channel 111 can be ensured. When the adapter structure 1 is processed, the sealing ring is assembled in the limiting groove 114 in the medium channel 111 through interference fit, and when the adapter structure 1 is installed on the plunger pump 2, the injection head of the plunger pump 2 penetrates through the central hole of the sealing ring and extends into the medium channel 111 to inject liquid or gas. The sealing ring is preferably made of soft materials, such as rubber or silica gel, so that a good sealing effect can be ensured; meanwhile, the soft material is easy to deform and convenient to install.
Further, as shown in fig. 3, the adapter structure 1 further includes an output tube 14, the output tube 14 is connected to the output end of the medium channel 111, so as to output the single cell suspension pumped into the medium channel 111 by the plunger pump 2 and inject the single cell suspension into the biochip.
As shown in fig. 1, the present embodiment further provides an injection module control system, which connects the plunger pump 2 and the pressure sensor 3 through the adapter structure 1, and has a small occupied area and greatly improves the modular design efficiency.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an adapter structure for communicate plunger pump (2) and pressure sensor (3), plunger pump (2) include plunger pump main part and injection head, the first end of injection head connect in the plunger pump main part, the second end of injection head can export the medium, a serial communication port, pressure sensor (3) are inlayed and are located inside the adapter structure, the adapter structure with the plunger pump main part is connected, the inside medium passageway (111) that is provided with of adapter structure, the injection head the second end with medium passageway (111) are linked together, the inside intercommunicating pore (112) that still is provided with of adapter structure, intercommunicating pore (112) intercommunication medium passageway (111) with pressure sensor (3).
2. The adapter structure of claim 1, wherein said adapter structure comprises:
the adapter main body (11), the adapter main body (11) is connected with the plunger pump main body, and the medium channel (111) and the communication hole (112) are arranged in the adapter main body (11);
end cover (12), end cover (12) with be provided with mounting groove (13) on adapter main part (11) relatively, pressure sensor (3) set up in mounting groove (13).
3. The adapter structure of claim 2, wherein the end cap (12) is connected to the adapter body (11) by a first plurality of fasteners.
4. The adapter structure according to claim 2, wherein the injection head extends into the medium channel (111), and the inner wall of the medium channel (111) is hermetically connected with the injection head.
5. Adapter structure according to claim 4, characterized in that a seal is clamped between the inner wall of the media channel (111) and the injection head.
6. The adapter structure according to claim 5, wherein the sealing member is a sealing ring, and the sealing ring can be sleeved on the injection head and embedded in the medium passage (111).
7. An adapter structure according to claim 6, wherein the sealing ring is in interference fit with the media passage (111).
8. Adapter structure according to any of claims 1-7, characterized in that it further comprises an output tube (14), said output tube (14) being connected to the output of said medium channel (111).
9. The adapter structure of any of claims 1-7, wherein the adapter structure is connected to the plunger pump body by a plurality of second fasteners.
10. An injection module control system comprising a plunger pump (2) and a pressure sensor (3), characterized by further comprising an adapter structure according to any of claims 1-9, the pressure sensor (3) being in communication with the plunger pump (2) via the adapter structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221276174.7U CN217440284U (en) | 2022-05-25 | 2022-05-25 | Adapter structure and injection module control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221276174.7U CN217440284U (en) | 2022-05-25 | 2022-05-25 | Adapter structure and injection module control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440284U true CN217440284U (en) | 2022-09-16 |
Family
ID=83222442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221276174.7U Active CN217440284U (en) | 2022-05-25 | 2022-05-25 | Adapter structure and injection module control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440284U (en) |
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2022
- 2022-05-25 CN CN202221276174.7U patent/CN217440284U/en active Active
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