CN211329013U - Liquid medicine mixing mechanism and dispensing device - Google Patents

Abstract

The utility model discloses a liquid medicine mixing mechanism and a dispensing device, wherein the liquid medicine mixing mechanism (10) comprises a stirring barrel body (1), an end plug (2) and a rotary stirring piece, the stirring barrel body comprises a hollow barrel cavity as a liquid medicine mixing cavity (D), the end plug plugs the end of the hollow barrel cavity, the rotary stirring piece comprises a rotating shaft (3) and a rotary vane (4) arranged on the rotating shaft, and the end of the rotating shaft is pivotally arranged in the end plug; wherein, run through on the section of thick bamboo wall of stirring barrel and be provided with stirring inlet (5), the rotary vane sets up to the feed liquor fluid impact that can be stirred the inlet and rotate. According to the utility model discloses a liquid medicine mixing mechanism's advantage lies in constituteing simple structure, low cost, is particularly useful for the ratio stirring of liquid medicine, adopts the form of stirring barrel moreover, and the installation space that occupies is minimal, has utilized the fluid impact force of pump sending fluid simultaneously, can save parts such as agitator motor, further practices thrift installation space, reduce cost.

Description

Liquid medicine mixing mechanism and dispensing device

Technical Field

The utility model belongs to the dispensing device field.

Background

At present, crop plant diseases and insect pests are multiple, and the user sprays pesticide to crops through various ways, for example, spray the area to the difference and the adaptability adopts artifical medicine, unmanned aerial vehicle to spout the medicine and even the aircraft spouts the medicine etc.. With the rising of manpower cost and the continuous rise of scale agriculture, the agricultural unmanned aerial vehicle is more used for realizing efficient and low-cost pesticide spraying on crops.

Present plant protection unmanned aerial vehicle almost all adopts artifical configuration liquid medicine, and dispensing efficiency is low, makes the liquid medicine stirring inhomogeneous moreover easily, leads to the liquid medicine quality not high, can the toxic medicine of direct contact moreover, influences that people are healthy. Therefore, it is necessary to design a dispensing device suitable for an agricultural unmanned aerial vehicle to replace an artificial dispensing mode, and it is critical how to fully mix the liquid medicine.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect or not enough of prior art, the utility model provides a liquid medicine mixing mechanism, its simple structure is practical, low cost, can be abundant to the liquid medicine stirring, and work efficiency is high.

In order to achieve the above object, the utility model provides a liquid medicine mixing mechanism, include:

the stirring cylinder comprises a hollow cylinder cavity serving as a liquid medicine mixing cavity;

the end part plug is used for plugging the end part of the hollow cylinder cavity; and

the rotary stirring piece comprises a rotating shaft and a rotary vane arranged on the rotating shaft, and the end part of the rotating shaft is pivotally arranged in the end part plug;

wherein, run through on the section of thick bamboo wall of stirring barrel and be provided with the stirring inlet, the rotary vane sets up to the feed liquor fluid impact that can be stirred the inlet and rotate.

Optionally, the cylinder wall is provided with a plurality of stirring liquid inlets arranged at intervals along the axial direction and a stirring liquid outlet at the end part.

Optionally, the rotary vane is a helical blade that is helically wound in the axial direction.

In some embodiments, the end plug is removably mounted to the barrel end of the mixing barrel and is adjustable in axial position.

Optionally, the end plug forms a threaded connection with the end of the barrel.

In some embodiments, the mixing cylinder is a cylinder which is axially communicated, the cylinder end is provided with a cylinder end internal thread, the end plug comprises a spigot inner end which extends into the cylinder end, and the spigot inner end is provided with a spigot external thread which is matched with the cylinder end internal thread.

Optionally, the spigot external thread is a sealing pipe thread.

In one embodiment, the end plug further includes a sleeve-shaped plug body, the inner end surface of the spigot inner end is closed and extends out of the spigot end surface of the plug body in an inscribed tube shape, and the outer diameter of the plug body is the same as that of the mixing cylinder and is larger than that of the spigot inner end.

Furthermore, the liquid medicine mixing mechanism also comprises an end sealing ring arranged between the end part of the barrel body and the end part plug.

Furthermore, the plug body is a hollow sleeve with an outer end opening, and a rotary handle is formed in a sleeve cavity of the plug body.

Furthermore, the utility model discloses still the correspondence provides a dispensing device, and this dispensing device has the utility model discloses foretell liquid medicine mixing mechanism.

According to the utility model discloses an among the liquid medicine mixing mechanism, included the tip end cap at conventional stirring barrel and built-in rotatory stirring piece and both ends, constitute simple structure, occupation space is little, and the equipment of product is realized to accessible dismouting tip end cap, and the stirring inlet that runs through the setting on the more accessible section of thick bamboo wall and the feed liquor fluid that brings produce rotatoryly with the impact rotary vane to utilized the fluid and can practice thrift and use agitator motor etc. can realize the intensive mixing to the liquid medicine moreover. The whole liquid medicine mixing mechanism and the dispensing device comprising the liquid medicine mixing mechanism have the advantages of simplicity, practicability, high liquid medicine mixing efficiency, low manufacturing cost and the like.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 and 2 are respectively perspective views of a dispensing device according to an embodiment of the present invention at different viewing angles;

FIG. 3 is a perspective view of the dispensing device of FIGS. 1 and 2 with the bottom weep panel removed, clearly showing the fluid flow path and the fluid components thereof mounted within the hollow bottom chamber;

FIGS. 4a and 4b are perspective views of the base constituting the dispensing apparatus of FIGS. 1 and 2 from different perspectives;

FIG. 5 is a perspective view of the base shown in FIGS. 4a and 4b after installation of the pumping assembly;

FIG. 6 is a perspective view of a top housing that forms the dispensing device of FIGS. 1 and 2;

FIG. 7 is a perspective view of a chemical liquid mixing mechanism constituting the dispensing apparatus of FIGS. 1 and 2;

FIG. 8 is a cross-sectional axial view of FIG. 7;

FIG. 9 is an enlarged fragmentary view of the encircled portion of FIG. 8 to clearly illustrate the end plug and its mounting structure; and

fig. 10 is a perspective view of the rotary stirring member in fig. 8.

Description of the reference numerals

1 stirring barrel 2 end plug

3 rotating shaft 4 rotating vane

5 stirring liquid inlet and 6 stirring liquid outlet

7 spigot inner end 8 spigot external thread

9 end cap body 10 liquid medicine mixing mechanism

11 end sealing ring 12 rotary handle

20 pumping assembly

21 input pump and 22 output pump

23 Pump body 24 pumping motor

25 pump body transmission mechanism

30 pipe joint assembly

31 input pipe joint and 32 output pipe joint

40 liquid medicine control module

50 base 51 first base mounting hole

52 second base mounting hole 53 mounting hole waterproof seal

54 top edge connection 55 pipe joint mounting wall area

56 line interface terminal 57 first stepped top wall

58 second step top wall

60 Top case 61 bottom edge connecting part

70-leakage bottom plate

100 outer case

Hollow bottom cavity A and hollow top shell cavity B

L first side direction W second side direction

C connects inner concave cavity D liquid medicine hybrid chamber

J1 Pump Inlet J2 Pump Outlet

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention. In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

For avoiding a great deal of defect that the manual work was dispensed a medicine and is brought, the utility model discloses a corresponding dispensing device has been designed. In a specific embodiment illustrated in fig. 1 to 3, the dispensing device of the present invention comprises:

an outer case 100;

a liquid medicine mixing mechanism 10 which is internally provided with a liquid medicine mixing chamber D and is arranged in a shell cavity of the outer shell 100; and

the liquid medicine distribution mechanism comprises a liquid medicine output unit and a plurality of liquid preparation input units, wherein the liquid medicine output unit is connected with the liquid medicine mixing mechanism 10, and the plurality of liquid preparation input units are used for mutually and independently performing proportioning transfusion on the liquid medicine mixing cavity D.

The utility model discloses an among the dispensing device, liquid medicine delivery mechanism has been set up very much to a plurality of input unit's that dispense modes can be with water and one or more liquid medicine ratio infusion to liquid medicine mixing mechanism 10, after the intensive mixing is even in the liquid medicine mixing chamber D that figure 8 shows, accessible liquid medicine output unit output. The liquid medicine dispensing mechanism, the liquid medicine mixing mechanism 10 and the like are all packaged in the outer shell 100 to form an independent device, and dispensing processes such as liquid medicine proportioning input, stirring and output are all integrated in the independent device, so that a manual dispensing mode can be replaced.

To achieve efficient and high quality dispensing, the medical fluid dispensing mechanism may further include a medical fluid control module 40 for controlling a dispensing input flow rate of each dispensing input unit and controlling a medical fluid output flow rate of the medical fluid output unit. The automatic dispensing device is combined with an electric control element to realize proportioning delivery and output of water and liquid medicine, can realize automatic efficient dispensing and accurate dispensing, solves the problems of low operation efficiency, inaccurate dispensing and unsafe working environment caused by the existing manual dispensing mode, and is elaborated in detail by combining with a specific implementation mode.

Referring to fig. 2 and 3, each liquid preparation input unit comprises an input pump 21 and an input pipe joint 31, respectively, the liquid medicine output unit comprises an output pump 22 and an output pipe joint 32, the input pump 21 and the output pump 22 are arranged in the shell cavity, and the input pipe joint 31 and the output pipe joint 32 extend out of the outer shell 100. In the present embodiment, the number of the inlet pipe joints 31 and the number of the inlet pumps 21 are the same for the convenience of the process control of the dosage, so that the accurate inlet flow rate of each inlet flow path can be independently controlled. The output pump 22 may correspond to a plurality of output pipe connections 32 to split the output. Of course, the present invention is not limited thereto, and for example, a single input pump 21 also provides pumping power to a plurality of input pipe joints 31, and the like.

In order to accurately measure the flow rate flowing to the chemical liquid mixing chamber D through each input pipe joint 31 or the input pump 21, the input pump 21 may be a metering pump with a meter, or a flow meter may be provided in each flow path of each liquid preparation input unit. As an example, the input pump 21 and the output pump 22 in the present embodiment both use peristaltic pumps, as shown in fig. 3 and fig. 5, each of the input pump 21 and the output pump 22 includes a pump body 23 and a pumping motor 24, and the purpose of controlling the pumping flow rate can be achieved by controlling the rotation speed of the pumping motor 24.

Accordingly, the medical fluid control module 40 may include a controller and a control panel, which may be provided on a surface of the outer case 100, as shown in fig. 2. The controller is configured to correspondingly control the liquid preparation input flow of each liquid preparation input unit according to the set parameters of the control panel, so as to realize accurate medicine preparation.

In the embodiment shown in the drawings, the medical fluid dispensing mechanism employs a pumping assembly 20 comprising an input pump 21 and an output pump 22 for automated and electronically controlled operation. However, those skilled in the art will understand that the present invention is not limited thereto, and other non-pumping power modes or non-pumping liquid supply modes may also be adopted in the liquid medicine distribution mechanism, for example, a liquid supply device connected to a pipe joint is higher than the liquid medicine mixing mechanism 10, and the liquid medicine control module 40 needs to perform cut-off control on each flow path by fluid gravity to realize automatic liquid supply.

The invention has been explained above from the functional and principle point of view. The following is further described in connection with the embodiments from the perspective of device productization, so as to exhibit the advantages of compact structure, reasonable layout, low cost, convenient assembly, high safety and reliability in use, and the like.

Referring to fig. 1 and 2, to facilitate assembly and use of the connection, the tube interfaces are disposed on the same side of the housing. The outer case 100 has a box-shaped structure and further has a detachable and separable structure. Specifically, the outer casing 100 includes a base 50 and a top casing 60 covering the base 50, the base 50 includes a hollow bottom cavity a with a bottom opening, the top casing 60 includes a hollow top casing cavity B with a bottom opening, and the casing cavity of the outer casing 100 includes a hollow top casing cavity B and a hollow bottom cavity a which are separated into sealed and isolated chambers.

Through the split design of the base 50 and the top shell 60, an upper cavity and a lower cavity which are mutually isolated can be formed, and an electric control element and a liquid flow path are respectively installed, so that water and electricity separation is realized, and the use safety and reliability of the device are better guaranteed. In the present embodiment, referring to fig. 3, the pump body 23 is disposed in the hollow bottom cavity a, referring to fig. 5, the pumping motor 24 is disposed above the first stepped top wall 57 and in the hollow top shell cavity B, and the pumping motor 24 is connected to drive the pump body 23 through a pump body transmission mechanism 25 (e.g., a reduction gear box, etc.). The top housing 60 shown in fig. 6 is snapped over the base 50 of fig. 5 such that the pumping motor 24 is received in the hollow top housing cavity B. Meanwhile, referring to fig. 2, the liquid medicine control module 40 is disposed on the top case 60 and electrically connected to each pumping motor 24, and the electrical connection portion is limited to be disposed in the top case 60 and the hollow top case cavity B, so that liquid contact does not occur through the hollow bottom cavity a, and the risk of electric shock, short circuit and other failures is avoided.

To achieve the isolated mounting of the pump, a plurality of first pedestal mounting holes 51 are provided through the top wall of the pedestal 50 as shown in fig. 4 a. Referring to fig. 5 and 6, the pumping motor 24 passes through the corresponding first base mounting hole 51 and is connected to drive the lower pump body 23 through the pump body transmission mechanism 25, and the pump body transmission mechanism 25 is located in the hollow bottom cavity a and can be connected to the top wall of the base 50 through a fastener. In order to realize water-electricity separation better, a mounting hole waterproof seal 53, such as a sealing rubber ring or a sealing coating, for isolating the hollow bottom cavity a from the hollow top shell cavity B is further arranged in the first base mounting hole 51.

After the hollow bottom cavity a and the hollow top shell cavity B are separated by the top wall of the base 50, further, with reference to fig. 5 and 6, the base 50 is further provided with a circumferentially closed top edge connecting portion 54, the top shell 60 is provided with a corresponding bottom edge connecting portion 61, and the bottom edge connecting portion 61 of the top shell 60 is installed in a matching manner with the top edge connecting portion 54 of the base 50 to form a circumferential sealing connection. As an example, the top rim connection 54 and the bottom rim connection 61 may be a circumferential protruding snap and a circumferential snap groove that mate with each other. In this way, a completely sealed separation of the hollow bottom chamber a from the hollow top shell chamber B is achieved, and also the hollow bottom chamber a is protected from external environmental moisture and the like.

In order to achieve a compact design of the product, in the present embodiment, the outer case 100 is designed in a box-shaped body, that is, a substantially cubic body, as an example. The chassis 50 includes a first side direction L and a second side direction W perpendicular to each other, i.e., corresponding to the long side direction and the wide side direction shown in fig. 3, respectively. A plurality of first base mounting holes 51 are arranged along first side direction L at intervals in sequence, a plurality of second base mounting holes 52 are arranged on the second side wall of the hollow bottom cavity a along second side direction W and arranged along first side direction L at intervals in sequence, and the input pipe joint 31 and the output pipe joint 32 are arranged in the corresponding second base mounting holes 52 in a penetrating manner and extend outwards along second side direction W from the second side wall. Further, the agitation cylinder 1 of the chemical liquid mixing mechanism 10 is axially arranged along the first side direction L. The stirring cylinder 1 is a hollow cylinder, and the hollow cylinder cavity is formed into a liquid medicine mixing cavity D, and the stirring cylinder 1 is arranged between the pump body 23 and the second base mounting hole 52 along the second lateral direction W.

Like this, realize regularly interval with pumping module 20, coupling subassembly 30 and stirring barrel 1 and align the arrangement in the finite space of cavity bottom chamber A, not only be favorable to the pipeline to arrange, realize connecting nearby, shorten the length of connecting tube, reduce the confusion of liquid flow path moreover, practice thrift installation space.

Referring to fig. 2, on the second side wall, a coupling boss mounting wall section 55 to which the coupling boss assembly 30 (or the corresponding second base mounting hole 52) is mounted is defined, and the coupling boss mounting wall section 55 is recessed with respect to the top edge connecting portion 54 above the second base mounting hole 52 to form a coupling recess cavity C. The design of the joint inner concave cavity C is beneficial to protecting the pipe joint, preventing mechanical collision and saving the installation space of the dispensing device, and is beneficial to the miniaturization and compact design of the dispensing device.

Further, in fig. 2, the pipe joint installation wall area 55 is further particularly provided with a wire clamp row located above the second base installation hole 52, the wire clamp row includes a plurality of line interface terminals 56 arranged at intervals along the first side direction L, the line interface terminals 56 can be used for electrically connecting the liquid medicine control module 40 with an external medicine irrigation gun and/or a medicine taking gun, for example, the medicine irrigation gun and/or the medicine taking gun can be respectively communicated with the input pipe joint 31 and the output pipe joint 32, and a liquid level detector or a flow meter or a liquid medicine input switch arranged on the medicine irrigation gun and/or the medicine taking gun can be communicated with the liquid medicine control module 40 through the line interface terminals 56, so as to provide control information for the liquid medicine control module 40.

In addition, since the liquid flow path is installed in the hollow bottom cavity a, in order to prevent the liquid from accumulating when the liquid seeps out, referring to fig. 1, the outer casing 100 further includes a leakage bottom plate 70, and the leakage bottom plate 70 covers the bottom opening of the hollow bottom cavity a, so that the liquid flow path in the hollow bottom cavity a can be protected and a timely drainage function can be achieved.

Further, in the present embodiment, for the convenience of compact installation, the hollow bottom chamber a is designed as a stepped chamber, and the top wall of the pedestal 50 is formed in a stepped shape in the second lateral direction W and includes a first stepped top wall 57 located above the pump body 23 and a second stepped top wall 58 located above the agitation cylinder 1, as shown in fig. 5. The first pedestal mounting hole 51 is provided on the first stepped top wall 57, and the second stepped top wall 58 is higher than the first stepped top wall 57 and projects upward into the hollow topshell cavity B. Thus, as can be seen from fig. 3, the installation height of the mixing drum 1 can be raised at this time to be close to the second step top wall 58, so that the liquid port on the mixing drum 1 can be aligned with the pump port and the pipe joint port as much as possible, the pipeline connection and the reduction of the length of the pipeline are facilitated, and the purpose of being compact and beneficial to the limited installation space is achieved.

Referring to fig. 7, in the illustrated embodiment, the stirring cylinder 1 is provided with a plurality of stirring liquid inlets 5 and stirring liquid outlets 6 which are axially spaced apart. Referring to fig. 3, the inner end of the input pipe joint 31, the pump inlet J1 of the input pump 21, the pump outlet J2 of the input pump 21 and the mixing liquid inlet 5 may be sequentially connected by pipes, and the mixing liquid outlet 6, the pump inlet J1 of the output pump 22, the pump outlet J2 of the output pump 22 and the inner end of the output pipe joint 32 are sequentially connected by pipes. This forms a plurality of parallel liquid preparation input flow paths (i.e., liquid preparation input units) from the adapter assembly 30 to the agitation cylinder 1 and one or more liquid medicine output flow paths (i.e., liquid medicine output units) from the agitation cylinder 1 to the adapter assembly 30.

It should be noted that the terms of orientation used above, such as "upper, lower, top and bottom" are all terms describing the relative positional relationship of the components of the dispensing device in use. The terms of orientation such as "inside and outside" refer to the inside and outside of the cavity in the case of the hollow bottom cavity a.

In the present embodiment, the chemical liquid mixing mechanism 10 is in the form of the stirring cylinder 1, the installation space of the stirring cylinder 1 is small, and most of other functional components of the chemical liquid mixing mechanism 10 are built in the stirring cylinder 1. It is contemplated that, to achieve sufficient agitation, the medical fluid mixing mechanism 10 may include an agitator motor disposed within the hollow top housing cavity B and connected to drive a rotating agitator member and a rotating agitator member disposed within the hollow barrel cavity. That is, the chemical liquid mixing mechanism 10 adopts a motor drive system. At this point, the drive motor may also be mounted in the hollow top housing cavity B above the second stepped top wall 58. However, in consideration of the fluid impact force of the pumped fluid, in the embodiment shown in fig. 7 and 8, the stirring motor is omitted, and the fluid impact force is directly utilized to drive the rotary stirring member to work, so that the installation space can be further saved, and the dispensing device is convenient to compact and simple in structure, small in size and low in cost. Therefore, the liquid medicine mixing mechanism 10 may include a rotary stirring member disposed in the hollow cylindrical cavity, and the liquid inlet fluid for stirring the liquid inlet 5 may be impacted and rotate the rotary stirring member.

Referring to fig. 7 and 8, a liquid medicine mixing mechanism 10 according to the present embodiment includes:

the stirring cylinder body 1 comprises a hollow cylinder cavity serving as a liquid medicine mixing cavity D;

the end part plug 2 is used for plugging the end part of the hollow cylinder cavity; and

the rotary stirring piece comprises a rotating shaft 3 and a rotary vane 4 arranged on the rotating shaft 3, and the end part of the rotating shaft 3 is pivotally arranged in the end part plug 2;

wherein, run through on the section of thick bamboo wall of stirring barrel 1 and be provided with stirring inlet 5, the feed liquor fluid of stirring inlet 5 can strike and drive rotatory stirring piece rotatory.

The illustrated drug solution mixing mechanism 10 has a simple structure and high practicability, and can be suitably applied to the dispensing devices shown in fig. 1 to 3. Particularly, according to the utility model discloses a liquid medicine mixing mechanism has only included the tip end cap at conventional stirring barrel and built-in rotatory stirring piece and both ends, and the component part is conventional part and small in quantity, and the cost is lower, occupies the installation space minimizing moreover. And the design of the end part plug is beneficial to the disassembly, assembly and maintenance of the liquid medicine mixing mechanism.

More importantly, the accessible runs through on the section of thick bamboo wall of stirring barrel 1 and sets up stirring inlet 5, through the feed liquor fluid impact force that stirring inlet 5 brought to it is rotatory to strike rotary vane 4 production, thereby drives whole rotation axis 3 rotation, accomplishes the intensive mixing, the mixture of multiple dispensing in to liquid medicine mixing chamber D. The dynamic action of the fluid is effectively utilized, so that the stirring motor and the like are saved correspondingly, the cost is reduced, and the same full stirring effect on the liquid medicine can be realized. Therefore, the utility model provides a whole liquid medicine mixing mechanism's simple structure is practical, the liquid medicine mixing efficiency is high, low in manufacturing cost moreover.

When applied to a dispensing device, the cylinder wall of the mixing cylinder 1 may be provided with a plurality of mixing liquid inlets 5 arranged at intervals along the axial direction to be suitable for a plurality of dispensing liquid inlet flow paths. After entering the liquid medicine mixing cavity D, the multi-path fluid is uniformly mixed under the stirring of the rotary stirring piece and is output from the stirring liquid outlet 6 at the end part.

Wherein, stirring inlet 5 can set up a plurality ofly to the scene that the integrative mixture of liquid medicine mixing chamber D is got into simultaneously to the more kinds of needs of dispensing. When part of the stirring liquid inlet 5 is idle, the liquid inlet can be closed through a pipe interface bolt and the like. In addition, the stirring liquid outlet 6 can be provided with one or more stirring liquid outlets, namely, single-port output or multi-path output can be realized, and the stirring liquid outlet 6 is not limited to be arranged at the end part, can also be arranged in the middle, and the like.

The vanes 4 should be arranged to be able to be rotated by the impinging inlet fluid of the mixing inlet 5, so that alternatively, a plurality of sets of vanes 4 may be used, aligned with each mixing inlet 5, or, referring to fig. 10, the vanes 4 are helical blades that are helically wound in the axial direction. The type, shape, number, etc. of the rotary vane 4 can be specifically selected or replaced in different use environments, and specific design and selection can be performed according to the flow rate of the pumped fluid, the type of the prepared liquid, etc., which are not described in detail herein.

The end of the rotating stirring element needs to be pivotally mounted in the end cap 2. Accordingly, the inner end of end plug 2 should be provided with a mating pivotal mounting structure, such as a pivot bearing or the like. In fig. 9, in view of simplification of the product, low cost, and a low stirring rotation speed required for stirring the chemical solution, only the shaft end insertion hole is provided at the inner end of the end plug 2, and the shaft end of the rotary shaft 3 is inserted into the shaft end insertion hole of the end plug 2 and is freely pivotable.

For the convenience of assembling the rotary stirring piece, the end plug 2 is detachably mounted at the end part of the stirring barrel body 1 so as to be convenient to disassemble, assemble and adjust.

Further, since the axial position of the stirring liquid inlet 5 is not adjustable, the rotary stirring member may be particularly configured to be axially movable or axially position-adjustable for better rotation under impact.

Optionally, the end plug 2 may be inserted into the end of the barrel as a piston, or an axial sliding groove may be provided between the end of the barrel and the end plug 2, so as to achieve detachable installation and axial movable adjustment.

By way of example, in the embodiment shown in fig. 8 and 9, the end plug 2 and the end of the barrel are screwed in a specific manner, so as to achieve a stable mounting, a reliable seal and precise adjustment. More specifically, the mixing cylinder 1 is a cylinder which is axially through, a cylinder end internal thread is arranged at the end part of the cylinder, the end plug 2 comprises a spigot inner end 7 which extends into the cylinder end, and a spigot external thread 8 which is matched with the cylinder end internal thread is arranged at the spigot inner end 7. In order to better block the liquid medicine mixing cavity D, the spigot external thread 8 can adopt a sealing pipe thread, namely a taper thread. Of course, the male end external thread 8 may be a triangular thread or other suitable type.

Referring to fig. 9, the end plug 2 includes a sleeve-shaped plug body 9 and a spigot inner end 7, an inner end surface of the spigot inner end 7 is closed and extends from the spigot end surface of the plug body 9 in an inscribed tube shape, and an outer diameter of the plug body 9 is the same as an outer diameter of the mixing cylinder 1 and is larger than the outer diameter of the spigot inner end 7. In the tightened state shown in fig. 9, the annular spigot end face of the plug body 9 abuts against the annular end face of the barrel end.

Furthermore, the liquid medicine mixing mechanism 10 may further include an end sealing ring 11 disposed between the end of the barrel and the end plug 2 to improve the sealing effect and prevent the liquid from leaking. In fig. 9, a ring groove is provided on the inner peripheral surface of the end of the cylinder to receive the end seal ring 11, but it is apparent that the end seal ring 11 may be installed at other suitable positions.

In addition, for the convenience of operation, the plug body 9 is in the form of a hollow sleeve with a closed inner end and an open outer end, a rotating handle 12 is formed in a sleeve cavity of the plug body 9, the rotating handle 12 can be manually operated to conveniently rotate the plug body 9, and replacement, disassembly, assembly, position adjustment and the like of the rotating stirring piece are achieved.

On the basis of the dispensing device, the invention also correspondingly provides a medicine filling system, which comprises:

the dispensing device described above;

the liquid preparation containers are connected with the liquid preparation input units in a one-to-one correspondence manner; and

the liquid storage container is correspondingly connected with the liquid medicine output unit and is detachably installed on the agricultural unmanned aerial vehicle.

When in use, each port of the pipe joint assembly 30 can be respectively communicated with a liquid preparation container (including a medicine storage container and/or a water storage container) to be prepared through a pipeline, parameters are configured through the liquid medicine control module 40, the proportion of liquid medicine to be prepared is set, namely, the liquid flow of each liquid preparation input flow path is controlled, namely, water and various liquid medicines with set proportions are added. Then, the operation of each input pump 21 is controlled by the liquid medicine control module 40, so that the medicine and the water in the medicine storage container and the water storage container are pumped to the liquid medicine mixing mechanism 10 in proportion, and the rotary stirring piece penetrating through the inner side of the stirring barrel body 1 continuously and automatically rotates under the impact of water pressure to fully mix the medicine and the water. Meanwhile, after the liquid medicine is sufficiently stirred, the output pump 22 may operate under the control of the liquid medicine control module 40 to pump the liquid medicine in the liquid medicine mixing chamber D to the liquid storage container for temporary storage. Wherein, accessible pipeline lug connection is to the stock solution container on agricultural unmanned aerial vehicle in, also accessible through the liquid storage container pull down the back through the liquid medicine output unit of tube coupling system of irritating medicine.

In conclusion, the invention develops a commercialized and modularized dispensing device, which has compact structure, low cost, high dispensing quality and high efficiency, can realize automatic dispensing and automatic operation, can dispense and output liquid medicine continuously, and avoids the toxicity problem caused by manual dispensing.

The above is merely a preferred embodiment of the present invention, and not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (11)

1. A medical fluid mixing mechanism, characterized in that the medical fluid mixing mechanism (10) comprises:

the stirring cylinder body (1) comprises a hollow cylinder cavity serving as a liquid medicine mixing cavity (D);

the end part plug (2) is used for plugging the end part of the hollow cylinder cavity; and

the rotary stirring piece comprises a rotating shaft (3) and a rotary vane (4) arranged on the rotating shaft (3), and the end part of the rotating shaft (3) is pivotally arranged in the end part plug (2);

the stirring barrel is characterized in that a stirring liquid inlet (5) penetrates through the barrel wall of the stirring barrel body (1), and the rotary vane (4) is arranged to be capable of being impacted by liquid inlet fluid of the stirring liquid inlet (5) to rotate.

2. The liquid medicine mixing mechanism according to claim 1, wherein the cylinder wall is provided with a plurality of stirring liquid inlets (5) and stirring liquid outlets (6) at ends thereof, which are axially spaced.

3. Medical liquid mixing mechanism according to claim 1 wherein said rotary vane (4) is a helical vane spirally wound in the axial direction.

4. The chemical liquid mixing mechanism according to any one of claims 1 to 3, wherein the end plug (2) is detachably attached to the end of the stirring cylinder (1) and is adjustable in axial position.

5. Medical liquid mixing mechanism according to claim 4 wherein the end plug (2) is threaded onto the end of the barrel.

6. The liquid medicine mixing mechanism according to claim 5, wherein the stirring cylinder (1) is an axially through cylinder, the cylinder end is provided with a cylinder end internal thread, the end plug (2) comprises a spigot inner end (7) extending into the cylinder end, and the spigot inner end (7) is provided with a spigot external thread (8) matched with the cylinder end internal thread.

7. Medical liquid mixing mechanism according to claim 6 wherein said male end thread (8) is a seal tube thread.

8. The liquid medicine mixing mechanism according to claim 6, wherein the end plug (2) further comprises a sleeve-shaped plug body (9), an inner end surface of the spigot inner end (7) is closed and extends out of the spigot end surface of the plug body (9) in an inscribed tubular shape, and an outer diameter of the plug body (9) is the same as an outer diameter of the stirring cylinder (1) and is larger than an outer diameter of the spigot inner end (7).

9. Medical fluid mixing mechanism according to claim 8, wherein the medical fluid mixing mechanism (10) further comprises an end sealing ring (11) arranged between the end of the barrel and the end cap (2).

10. The liquid medicine mixing mechanism according to claim 8, wherein the stopper body (9) is a hollow sleeve with an open outer end, and a rotary handle (12) is formed in a sleeve cavity of the stopper body (9).

11. A dispensing device characterized in that it comprises a medical fluid mixing mechanism according to any one of claims 1-10.

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