CN213854624U - Liquid subpackaging tool - Google Patents
Liquid subpackaging tool Download PDFInfo
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- CN213854624U CN213854624U CN202022758325.XU CN202022758325U CN213854624U CN 213854624 U CN213854624 U CN 213854624U CN 202022758325 U CN202022758325 U CN 202022758325U CN 213854624 U CN213854624 U CN 213854624U
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Abstract
The utility model relates to a liquid partial shipment instrument, including the shell, have circular chamber, still have on the shell with inlet and the liquid outlet of circular chamber intercommunication, the rotor is circular, rotationally installs in the circular intracavity of shell, set up flutedly on the rotor, the notch of recess encloses into the stock solution chamber with the chamber wall sliding seal cooperation in circular chamber, along with the rotation of rotor, stock solution chamber position change and can communicate with inlet and liquid outlet in order, the inlet channel gas outlet is located the liquid outlet side, and communicates stock solution chamber and external atmosphere when stock solution chamber and liquid outlet intercommunication, supplies external atmosphere to get into the stock solution intracavity, and the drive structure has the operation end that stretches out the shell and supply operating personnel to operate, in order to be used for the drive the rotor rotates. The liquid split charging tool is simple in structure, capable of realizing miniaturization and suitable for split charging of a small amount of liquid.
Description
Technical Field
The utility model relates to a liquid partial shipment instrument.
Background
At present, the liquid partial shipment device among the prior art is mostly the large-scale automatic partial shipment equipment for the factory production, and the general cost of this type of equipment is higher, and bulky, and the single divides the liquid measure many. Except that the mill production can relate to the partial shipment of liquid, in the experiment of some laboratories, the inspection operation in-process, also can relate to the partial shipment to the reagent often, there is the characteristics that the workplace space is limited in this type of reagent partial shipment operation, the partial shipment time is uncertain, the single partial shipment volume is few, so large-scale automatic liquid partial shipment equipment among the prior art can't be used for the liquid partial shipment in laboratory, consequently, need a simple structure, small, be convenient for the liquid partial shipment instrument that can carry out a small amount of liquid partial shipment of random access, in order to satisfy the laboratory to the demand of liquid partial shipment instrument.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid partial shipment instrument to solve and lack the technical problem who is applicable to the liquid partial shipment instrument of a small amount of liquid partial shipment in laboratory among the prior art.
The utility model discloses a liquid partial shipment instrument adopts following technical scheme:
the utility model provides a liquid partial shipment instrument, includes the shell, has circular chamber, still have on the shell with inlet and the liquid outlet of circular chamber intercommunication, the rotor is circular, rotationally installs at the circular intracavity of shell, set up flutedly on the rotor, the notch of recess encloses into the stock solution chamber with the chamber wall sliding seal cooperation in circular chamber, along with the rotation of rotor, stock solution chamber position change and can communicate with inlet and liquid outlet in order, the inlet channel gas outlet is located the liquid outlet side, and communicates the stock solution chamber with external atmosphere when stock solution chamber and liquid outlet intercommunication, supplies external atmosphere to get into the stock solution intracavity, and the drive structure has the operation end that stretches out the shell and supply operating personnel to operate, in order to be used for the drive the rotor rotates.
The beneficial effects are that: during the use, drive the rotor through manipulating the drive structure and rotate, make the recess and the inlet intercommunication of rotor, wait to divide liquid to get into the reservoir through the inlet, continue to rotate the rotor, the size of reservoir is certain, can carry quantitative liquid towards the liquid outlet, when reservoir and liquid outlet intercommunication, outside air gets into in the reservoir through inlet channel, make the liquid of the volume of confirming in the reservoir flow out through the liquid outlet, circulate above-mentioned operation, realize the partial shipment of liquid, such liquid partial shipment instrument has simple structure, can realize the miniaturization, be applicable to the partial shipment of a small amount of liquid.
Further, the number of the grooves is at least two, and the grooves are evenly distributed along the circumferential direction of the rotor at intervals.
The beneficial effects are that: set up two at least recesses, increase the branch liquid number of times in the rotation stroke of rotor a week, realize high-efficient branch liquid, in addition, each recess is along rotor circumference evenly distributed, is convenient for come the alignment of control recess and liquid outlet through the turned angle of control drive structure.
Furthermore, the driving structure and the rotor are driven by a fixed ratio transmission mechanism, and the transmission ratio of the fixed ratio transmission mechanism is equal to the number of the grooves, so that one groove is aligned with the liquid outlet when the driving structure rotates for one circle.
The beneficial effects are that: when the driving structure rotates, the rotation of the driving structure is convenient to observe and control by naked eyes for a circle, so that successive alignment of each groove and the liquid outlet can be conveniently realized.
Further, the fixed ratio transmission mechanism is a gear transmission mechanism.
The beneficial effects are that: the gear transmission mechanism is of a mature structure, is convenient to realize, occupies a smaller space, and is more favorable for realizing the miniaturization of the liquid subpackaging tool.
Furthermore, the rotor is provided with a central hole, a circle of internal teeth are arranged on the hole wall of the central hole, the driving structure is meshed and matched with the internal teeth of the rotor through a driving gear, and the internal teeth and the driving gear form the gear transmission mechanism.
The beneficial effects are that: on the basis of adopting gear drive, further with the tooth structural design on the rotor for drive gear's drive gear is embedded in the rotor, more adds the miniaturization that is favorable to realizing liquid partial shipment instrument.
Furthermore, the groove is formed in the outer peripheral surface of the rotor, and correspondingly, the liquid inlet and the liquid outlet are located in the peripheral surface of the circular cavity of the shell and are arranged in an up-and-down opposite mode.
The beneficial effects are that: the notch, the liquid inlet and the liquid outlet of the groove are vertically arranged, so that liquid can conveniently enter and exit, and the subpackaging precision and the use convenience of the liquid subpackaging tool are improved.
Further, the rotor is in a chain wheel shape, and the concave structure between two adjacent teeth forms the groove.
The beneficial effects are that: the rotor is designed to be in a chain wheel shape, a groove with larger volume can be arranged on the premise that the radial and axial sizes of the rotor are fixed, and the requirement is met while the miniaturization design of the liquid subpackaging tool is facilitated.
Further, the rotor comprises an inner core and a rubber cladding coated on the inner core, and the notch of the groove is in sliding sealing fit with the cavity wall of the circular inner cavity of the shell through the rubber cladding.
The beneficial effects are that: the rubber coating is arranged, sliding sealing fit between the notch and the wall of the shell cavity is convenient to realize, the requirement of size fit precision between the circular cavities of the rotor and the shell can be reduced, and the manufacturing difficulty of the liquid subpackaging tool is further reduced.
Further, liquid partial shipment instrument still includes the feed liquor pipe with the inlet intercommunication, the one end that the feed liquor pipe is dorsad the shell is connected with the reservoir for the liquid body is waited to divide in temporary storage.
The beneficial effects are that: set up the reservoir, can store and treat the partial shipment liquid, improve the convenience that liquid partial shipment instrument used.
Furthermore, the liquid storage device is provided with a reagent bottle inserting structure matched with the bottle opening of the reagent bottle so as to insert and fix the reagent bottle on the liquid storage device, and the reagent bottle inserting structure is provided with an air passage to ensure that air in the liquid storage device can escape to the outside.
The beneficial effects are that: set up reagent bottle cartridge structure, can directly with reagent bottle cartridge on the reservoir, save and wait to divide the liquid operation of falling in pouring the reservoir with waiting in the reagent bottle, improve the convenient to use nature of liquid partial shipment instrument.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of the liquid dispensing tool of the present invention;
fig. 2 is a partial schematic structural view of embodiment 1 of the liquid dispensing tool of the present invention;
fig. 3 is a schematic structural view of a liquid container of embodiment 1 of the liquid dispensing tool of the present invention;
the names of the components corresponding to the corresponding reference numerals in the drawings are:
1-a housing; 2-a rotor; 4-liquid inlet; 5-a liquid outlet; 7-a groove; 8-a central hole; 9-internal teeth; 10-a drive gear; 11-a rocker; 12-a liquid inlet pipe; 13-a liquid outlet pipe; 14-a liquid inlet nozzle; 15-liquid outlet; 16-a reservoir; 17-connecting ribs; 18-a support ring; 19-air inlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as the terms first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the recitation of "comprising an … …" may occur without the exclusion of additional like elements present in the process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
as shown in fig. 1, the liquid dispensing tool comprises a housing 1 and a rotor 2, wherein the inner cavity of the housing 1 is a circular cavity, and the rotor 2 is rotatably mounted in the circular cavity of the housing 1. For liquid inlet and outlet, the housing 1 is further provided with a liquid inlet 4 and a liquid outlet 5, as shown in fig. 1, the liquid inlet 4 is located at the highest position of the inner circumferential surface of the circular cavity, and the liquid outlet 5 is located at the lowest position of the inner circumferential surface of the circular cavity, so that the liquid inlet 4 is arranged in an up-and-down opposite manner.
The rotor 2 has a sprocket-shaped configuration as shown in fig. 1. Specifically, six grooves 7 are formed in the outer peripheral surface of the rotor 2, notches of the grooves 7 comprise a peripheral surface portion located on the peripheral surface of the rotor and an end surface portion located on the axial end face of the rotor, the peripheral surface portion is in sliding sealing fit with the inner peripheral surface of the circular cavity, and the axial portion is in sliding sealing fit with the side wall of the original cavity 3 to form a liquid storage tank in a surrounding mode. In this embodiment, for realizing the sliding seal cooperation between rotor groove notch and the shell cavity wall, rotor 2 designs for two-layer structure inside and outside, and is specific, and rotor 2 has the higher inner core of hardness, and the material can be rigid plastic, metal etc. and the outer cladding of inner core has the rubber coating to make rotor 2 easily warp with the partial of the chamber wall contact in circular chamber, thereby realize rotor 2 simultaneously and the sealed cooperation between rotation installation and groove notch and the circular intracavity wall in circular chamber. Along with the rotation of rotor, recess 7 can communicate with inlet 4 and liquid outlet 5 in order.
In the present embodiment, six grooves 7 are uniformly spaced along the circumferential direction of the rotor, and in other embodiments, the number of the grooves may be more than six, or less than six, for example, the number may be any one of 1 to 5. Of course, when the number of the grooves is more than two, the grooves are not evenly distributed along the circumferential direction of the rotor at intervals, so that the processing and manufacturing difficulty of the rotor is reduced.
In order to drive the rotation of rotor 2 in the circular cavity, liquid partial shipment instrument still has a drive structure, in this embodiment, rotor middle part is seted up along its axial extension's centre bore 8, be provided with internal tooth 9 on the pore wall of centre bore 8, correspondingly, the drive structure has with the internal tooth 9 complex drive gear 10 of rotor, drive gear 10 is connected with rocker 11, as shown in fig. 2, rocker 11 rotates and installs on the lateral wall of circular cavity, the other end of rocker 11 stretches out the circular cavity and constitutes the operation end that supplies operating personnel to operate, operating personnel drives drive gear 10 through rocking rocker 11 and rotates, and then drive rotor 2 is at the internal rotation of circular cavity.
In this embodiment, the transmission ratio between the rotor 2 and the drive gear 10 is 6: 1 for rocker 11 rotates a week for every, rotor 2 has a recess 7 and 5 alignments of liquid outlet, and the operating personnel of being convenient for carries out liquid distribution control operation. By such a fixed ratio transmission, the amount of liquid dispensed can be determined by visually observing the number of rotations of the rocking lever without providing a scale for determining the rotation angle of the rocking lever 11 on the housing 1.
As shown in fig. 1, the liquid split charging tool further comprises a liquid inlet pipe 12 and a liquid outlet pipe 13, specifically, the shell 1 comprises a liquid inlet nozzle 14 connected with the liquid inlet 4, the liquid inlet pipe 12 is in threaded connection with the liquid inlet nozzle 14 through a threaded joint connected with the liquid inlet pipe 12, similarly, the shell 1 further comprises a liquid outlet nozzle 15 connected with the liquid outlet 5, and the liquid outlet pipe 13 is in threaded connection with the liquid outlet nozzle 15 through a threaded joint connected with the liquid outlet pipe 13. The other end of the liquid inlet pipe 12 is also connected with a liquid storage device 16 through a threaded joint, and the inner cavity of the liquid storage device 16 is used for temporarily storing or caching the solution to be separated. In this embodiment, the upper end of the liquid storage device 16 is provided with a reagent bottle insertion structure, as shown in fig. 3, the reagent bottle insertion structure includes a support ring 18 disposed in the upper end of the liquid storage device 16, the support ring 18 is connected with the inner wall of the liquid storage device through a connecting rib 17, so that an air gap is formed between the support ring 18 and the inner wall of the liquid storage device 16, and air in the liquid storage device 16 can escape. When the reagent bottle is used, the bottle mouth of the reagent bottle is inserted into the support ring 18, and the shoulder part of the reagent bottle is matched with the support ring 18 in a blocking way.
In order to ensure that the liquid can flow out of the liquid storage tank through the liquid outlet 5 at the liquid outlet 5, as shown in fig. 1, an air inlet pipe 19 is further connected to the housing 1, and an air outlet of the air inlet pipe 19 is arranged close to the liquid outlet 5, so that when the groove 7 rotates to a position communicated with the liquid outlet 5, an air outlet of the air inlet passage is communicated with the groove 7. The intake port of the intake pipe 19 communicates with the outside atmosphere. When recess 7 rotated to the position with liquid outlet 5 intercommunication, the lumen of intake pipe 19 was as inlet channel, and in the outside air can get into recess 7 through inlet channel, prevented to form the negative pressure in the recess 7 and caused liquid unable outflow.
When the groove 7 after liquid discharge is turned to the liquid inlet 4, air in the groove 7 can be gushed upwards through the liquid inlet pipe 12, and the liquid to be separated can be ensured to flow into the corresponding groove 7 through the liquid inlet 4. Of course, in other embodiments, in order to ensure that the liquid to be separated can smoothly enter the groove 7 communicated with the liquid inlet 7, an exhaust pipe can be further arranged at the liquid inlet, when the groove 7 is communicated with the liquid inlet, the groove 7 is communicated with the exhaust pipe, so that air in the groove 7 can be exhausted through the exhaust pipe under the action of liquid pressure at the liquid inlet 4, and the height of the air outlet of the exhaust pipe is higher than the liquid level in the liquid reservoir 16, thereby ensuring that the liquid to be separated cannot flow out of the exhaust pipe.
During the use, wait to divide liquid through inlet 4 get into a recess 7 with it intercommunication in, operation rocker 11 drive rotor 2 rotates, and a recess 7 that is close to with liquid outlet 5 rotates to the position with liquid outlet 5 intercommunication, and the liquid that stores in this recess 7 flows through liquid outlet 5, because the volume of recess 7 is confirmed, consequently, can both follow liquid outlet 5 and flow quantitative volume at every turn, realizes the partial shipment of liquid of treating from this.
The utility model provides a liquid partial shipment instrument's embodiment 2, this embodiment and embodiment 1's difference lie in that, and the recess in embodiment 1 is located the rotor global, and is corresponding, and inlet and liquid outlet are located the circumference inner wall in circular chamber, and in this embodiment, the recess is for seting up the recess on the rotor axial terminal surface, and is corresponding, and inlet and liquid outlet are located the axial lateral wall in circular chamber.
The utility model provides a liquid partial shipment instrument's embodiment 3, this embodiment and embodiment 1's difference lie in, and the rotor includes inner core and the rubber coating of cladding outside the inner core in embodiment 1, and in this embodiment, the rotor no longer sets up to the layered structure, wholly is made by stereoplasm wear-resisting material, and its circular chamber with the shell with less clearance fit, and the size in fit clearance satisfies can realize the liquid seal between notch and the circular intracavity wall of rotor recess.
The utility model provides a liquid partial shipment instrument's embodiment 4, this embodiment is different from embodiment 1 in that, drive structure and rotor transmission cooperation in embodiment 1, in this embodiment, drive structure is the action bars with rotor integrated into one piece, the tip of action bars stretches out the shell along the rotor axial and constitutes the operation end, for the rotation of drive rotor, can set up instrument cooperation structure on the operation end, if can set up radial through-hole, form T shape structure through interpolation dress actuating lever and action bars in radial through-hole, so that operating personnel can conveniently rotate through operation action bars drive rotor. In order to determine the rotation angle, an angle scale can be arranged on the shell.
The utility model provides a liquid partial shipment instrument's embodiment 6, this embodiment and embodiment 1's difference lie in, in embodiment 1, set up the internal tooth and drive gear cooperation on the rotor, in this embodiment, a gear wheel of coaxial fixed on rotor axial terminal surface, drive gear through with gear wheel cooperation drive rotor rotate.
The utility model provides a liquid partial shipment instrument's embodiment 7, this embodiment and embodiment 1's difference lie in, in this embodiment, no longer set up the reservoir, and the tip of feed liquor pipe is used for being connected with the reagent bottle.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A liquid dispensing tool, comprising:
the shell is provided with a circular cavity, and the shell is also provided with a liquid inlet and a liquid outlet which are communicated with the circular cavity;
the rotor is circular and can be rotatably arranged in the circular cavity of the shell, a groove is formed in the rotor, a notch of the groove is in sliding sealing fit with the cavity wall of the circular cavity to form a liquid storage cavity, and the liquid storage cavity can be sequentially communicated with the liquid inlet and the liquid outlet along with the rotation of the rotor and the position change of the liquid storage cavity;
the air outlet is positioned beside the liquid outlet, and the liquid storage cavity is communicated with the external atmosphere when the liquid storage cavity is communicated with the liquid outlet, so that the external atmosphere can enter the liquid storage cavity;
and the driving structure is provided with an operating end which extends out of the shell and is operated by an operator, and the driving structure is used for driving the rotor to rotate.
2. A liquid dispensing apparatus as claimed in claim 1 wherein there are at least two of said recesses, each recess being evenly spaced circumferentially of the rotor.
3. A liquid dispensing tool as claimed in claim 2 wherein the drive arrangement and the rotor are driven by a fixed ratio drive mechanism having a ratio equal to the number of recesses to achieve alignment of one recess with the liquid outlet for each revolution of the drive arrangement.
4. A liquid dispensing tool as claimed in claim 3 wherein the fixed ratio drive is a gear drive.
5. A liquid dispensing tool as claimed in claim 4 wherein the rotor has a central bore, a ring of internal teeth is provided on the bore wall of the central bore, the drive means is in meshing engagement with the internal teeth of the rotor via a drive gear, the internal teeth and drive gear forming said gear drive means.
6. A liquid dispensing instrument according to any one of claims 1 to 5, wherein the recess is formed in the outer peripheral surface of the rotor, and the liquid inlet and the liquid outlet are correspondingly formed in the peripheral surface of the circular cavity of the housing and arranged in a vertically opposed manner.
7. A liquid dispensing tool as claimed in claim 6 wherein said rotor is sprocket shaped and the recess is defined by a valley formation between adjacent teeth.
8. A liquid dispensing tool as claimed in any one of claims 1 to 5 wherein the rotor comprises an inner core and a rubber coating on the inner core, the mouth of the recess being in sliding sealing engagement with the wall of the circular cavity of the housing through the rubber coating.
9. The liquid split charging tool according to any one of claims 1 to 5, further comprising a liquid inlet pipe communicated with the liquid inlet, wherein one end of the liquid inlet pipe, which is opposite to the shell, is connected with a liquid storage device for temporarily storing the liquid to be separated.
10. A liquid dispensing apparatus as claimed in claim 9, wherein the liquid container has a reagent bottle engaging structure for engaging with a mouth of a reagent bottle and securing the reagent bottle to the liquid container, the reagent bottle engaging structure having an air passage for allowing air in the liquid container to escape to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022758325.XU CN213854624U (en) | 2020-11-25 | 2020-11-25 | Liquid subpackaging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022758325.XU CN213854624U (en) | 2020-11-25 | 2020-11-25 | Liquid subpackaging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213854624U true CN213854624U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022758325.XU Active CN213854624U (en) | 2020-11-25 | 2020-11-25 | Liquid subpackaging tool |
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| CN (1) | CN213854624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289391A (en) * | 2021-12-31 | 2022-04-08 | 西安奕斯伟材料科技有限公司 | Liquid supplementing device and system for supplementing liquid |
-
2020
- 2020-11-25 CN CN202022758325.XU patent/CN213854624U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289391A (en) * | 2021-12-31 | 2022-04-08 | 西安奕斯伟材料科技有限公司 | Liquid supplementing device and system for supplementing liquid |
| TWI825925B (en) * | 2021-12-31 | 2023-12-11 | 大陸商西安奕斯偉材料科技股份有限公司 | Rehydration device and system for rehydration |
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Inventor after: Wang Shaohui Inventor after: Li Sanhua Inventor after: Qi Hua Inventor after: Li Guixi Inventor after: Li Yanmin Inventor after: Hu Juan Inventor after: Huo Qingyuan Inventor before: Wang Shaohui Inventor before: Li Sanhua Inventor before: Qi Hua Inventor before: Li Guixi Inventor before: Li Yanmin Inventor before: Hu Juan Inventor before: Huo Qingyuan Inventor before: Zhang Shaomin Inventor before: Liu Wendi |