CN219409245U - Time pressure filling system - Google Patents

Abstract

The utility model relates to the field of filling devices, in particular to a time pressure filling system which comprises a liquid storage container, a liquid conveying pipeline, a first control valve, a second control valve and a pressure detection mechanism, wherein the first control valve, the second control valve and the pressure detection mechanism are arranged on the liquid conveying pipeline, one end of the liquid conveying pipeline is communicated with the liquid storage container, the other end of the liquid conveying pipeline is communicated with a filling head, the first control valve is positioned between the second control valve and the filling head, the liquid conveying pipeline comprises a soft pipe section and a hard pipe section, the hard pipe section is horizontally arranged, and the first control valve, the second control valve and the pressure detection mechanism are arranged on the hard pipe section.

Description

Time pressure filling system

Technical Field

The utility model relates to the field of valve bodies, in particular to a time pressure valve infusion device.

Background

In the process of filling, the pressure is not invariable when carrying the liquid medicine, this just results in the in-process liquid medicine's that carries the liquid medicine velocity of flow is the change, lead to carrying the liquid medicine volume at each time in the unit time and all being different, can't realize accurate accuse volume, and after the filling, close the valve, lead to the liquid medicine to drip from the medicine outlet easily, cause extravagant, filling station and the filling of application number CN201810895932.5 are applied for and are disclosed a filling equipment that utilizes the extrusion hose to control flow size, but utilize the hose to carry out the in-process of control flow, the hose resilience is slower, lead to the velocity of flow unstable, influence the filling volume.

Disclosure of Invention

The utility model aims to solve the technical problems that: the liquid medicine is at the process hose resilience of carrying slower, leads to the velocity of flow unstable, influences filling efficiency, and the problem of drip after the filling finishes.

In order to solve the technical problems, the utility model adopts the following technical scheme:

firstly, provide a time pressure filling system, including stock solution container, infusion pipeline and locate first control valve, second control valve, the pressure detection mechanism on the infusion pipeline, infusion pipeline one end and stock solution container intercommunication, the infusion pipeline other end and filling head intercommunication, first control valve is located between second control valve and the filling head, the infusion pipeline includes hose section and hard tube section, hard tube section level arrangement, first control valve, second control valve, pressure detection mechanism are located on the hard tube section.

Further, the first control valve comprises a first control piston, the working end of the first control piston penetrates through the side wall of the infusion pipeline and can extend into the infusion pipeline, and the first control piston is further connected with a driving device for driving the extending length of the first control piston in the infusion pipeline.

Further, the pressure detection mechanism is electrically connected with the driving device and is used for feeding back the pressure in the infusion pipeline to the driving device so as to control the extension length of the first control piston in the infusion pipeline.

Further, the axial direction of the first control piston is perpendicular to the conveying direction of the liquid medicine in the infusion pipeline.

Further, the second control valve comprises a second control piston and a second motor, an output shaft of the second motor is connected with a second crank, and a working end of the second crank is connected with the second control piston and used for driving the second control piston to move.

Further, a second guide rod is arranged on one side of the infusion pipeline, and the working end of the second crank is connected with the second guide rod in a sliding mode.

Further, the working end of the second control piston vertically penetrates through the side wall of the infusion pipeline and can extend into the infusion pipeline.

Further, the driving device comprises a first motor, a first crank is connected to the first motor, and the movable end of the first crank is connected with the first control piston and used for driving the first control piston to move.

Further, a first guide rod is further arranged on one side of the infusion pipeline, and the movable end of the first crank is connected with the first guide rod in a sliding mode.

Further, the pressure detection mechanism comprises a pressure detection gauge, and the pressure detection gauge is horizontally arranged.

The utility model has the following beneficial effects:

1. the driving device controls the first control piston to move to change the extending length of the working end of the first control piston in the infusion pipeline, so that the flow rate of the flowing liquid medicine can be changed, the flow rate of the liquid medicine is stabilized within a specified range, the liquid medicine amount contained in each medicine bottle is ensured to be within an allowable error range during infusion, and the infusion quality is improved;

2. the first control valve and the second control valve are arranged on the hard pipeline, so that the liquid medicine flow rate can be controlled more accurately and the problem of dripping is solved in the moving process of the first control piston and the second control piston, and the device is convenient to install and transport;

3. through setting up the manometer level, make in the course of the work, the installation dead angle of manometer, conveniently clear up and disinfect, satisfy aseptic requirement, when overhauling simultaneously, also make things convenient for the dismouting, reduced cost of maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a schematic general flow chart of the present embodiment;

FIG. 3 is a schematic view of the internal structure of the present embodiment;

fig. 4 is a usage state diagram of the present embodiment.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model provides a time pressure filling system, as shown in fig. 2 and 3, which comprises a liquid storage container 13, a liquid conveying pipeline 3, a first control valve 5, a second control valve 2 and a pressure detection mechanism 4 which are arranged on the liquid conveying pipeline 3, wherein one end of the liquid conveying pipeline 3 is communicated with the liquid storage container 13, the other end of the liquid conveying pipeline 3 is communicated with a filling head 12, the first control valve 5 is positioned between the second control valve 2 and the filling head 12, the first control valve 5 comprises a first control piston 51, the working end of the first control piston 51 penetrates through the side wall of the liquid conveying pipeline 3 and can extend into the liquid conveying pipeline 3, and the first control piston 5 is also connected with a driving device for driving the extending length of the first control piston 5 in the liquid conveying pipeline 3.

Specifically, in this embodiment, the liquid medicine flows out from the liquid storage container 13 through the infusion line 3 and flows out from the filling head 12 to be filled into the medicine bottle, so as to realize liquid medicine filling, the first control piston 5 is driven to work by the control driving device, so that the extending length of the first control piston 51 in the infusion line 3 is changed, the flow rate of the liquid medicine flowing out of the infusion line 3 is controlled, the stable filling operation is ensured, the filling quality is improved, specifically, when the length of the first control piston 51 extending into the infusion line 3 is larger, the cross section of the flow channel is smaller when the liquid medicine flows through the first control piston 51, the flow rate of the liquid medicine is accelerated under the condition of certain pressure, and similarly, when the length of the first control piston 51 extending into the infusion line 3 is smaller, the cross section of the flow channel is larger when the liquid medicine flows through the first control piston 51, and the flow rate of the liquid medicine is slowed under the condition of certain pressure;

specifically, in the process of transfusion, a set pressure exists, the flow rate of the liquid medicine is the flow rate required for filling, when the flow rate is larger than the set flow rate, the filled liquid medicine is more, when the flow rate is smaller than the set flow rate, the filled liquid medicine is less, and in order to ensure the stable flow rate in the filling process; first control piston 51 has some length to stretch into infusion pipeline 3, when the pressure in infusion pipeline 3, be the appointed pressure, the velocity of flow of liquid medicine just is the velocity of flow that needs this moment, the velocity of flow of liquid medicine will be faster when the pressure in infusion pipeline 3 is under the in-process of change, the velocity of flow that needs when guaranteeing to pour into this moment, first control piston 51 just moves outwards under drive arrangement's effect, make the cross-sectional area that the liquid medicine flows through grow, at this moment under corresponding pressure, the velocity of flow of liquid medicine that flows through will slow down, until the velocity of flow of liquid medicine when satisfying to fill, when the pressure is less, at this moment first control piston 51 moves inwards under drive arrangement's effect, the cross-sectional area of the passageway that makes the liquid medicine flow through, at this moment under corresponding pressure, the velocity of flow of liquid medicine will accelerate, until the velocity of flow of liquid medicine when satisfying the filling, even if the pressure in infusion pipeline 3 is the change when filling can be guaranteed through above process, the velocity of flow when filling is still the size that needs, can guarantee the stability of liquid medicine flow when guaranteeing that each medicine is the filling, the liquid medicine is the volume when the liquid medicine is not required to be equal when filling through second control valve 2, can be closed when not needing to be equal to fill.

As shown in fig. 3, the pressure detecting mechanism 4 is electrically connected to the driving device, and is configured to feed back the pressure in the infusion tube 3 to the driving device, so as to control the extension length of the first control piston 51 in the infusion tube 3, where the pressure detecting mechanism 4 includes a pressure detecting gauge, and the pressure detecting gauge is horizontally set.

Specifically, in this embodiment, through installing pressure detection device 4 on infusion pipeline 3, guarantee to detect the pressure size on the infusion pipeline 3 in real time to with the result feedback to drive arrangement department, be used for making drive arrangement control first control piston 51 adjust the length size that stretches into in the infusion pipeline, guaranteed the stability of velocity of flow when filling, simultaneously through setting up pressure detection device level, guaranteed the installation dead angle free of manometer, disinfection and washing that can be convenient have guaranteed aseptic requirement.

As shown in fig. 3, the axial direction of the first control piston 51 is perpendicular to the direction of the transfer of the liquid medicine in the infusion line 3.

Specifically, in this embodiment, the first control piston 51 is vertically extended into the infusion line 3, at this time, the first control piston 51 moves along the radial direction of the infusion line 3, and at this time, the movement efficiency of the first control piston 51 is the highest, that is, the movement amount of the first control piston 5 is the length of the whole reaction extending into the infusion line 3, and the response speed is the fastest, so that the extending length of the first control piston 51 in the infusion line 3 can be flexibly and rapidly controlled, the flow rate of the liquid medicine can be more rapidly and accurately controlled, and rapid, stable and accurate filling is ensured.

As shown in fig. 3, the infusion line 3 includes a soft pipe section and a hard pipe section, the hard pipe section is horizontally arranged, and the first control valve 5, the second control valve 2, and the pressure detection mechanism 4 are disposed on the hard pipe section.

Specifically, in this embodiment, the first control valve 5, the second control valve 2, and the pressure detection mechanism 4 are disposed on the hard tube, so that when the first control piston 5 moves, the first control piston is guaranteed not to drive the infusion line 3 to change in other positions, stability of flow rate adjustment is guaranteed, and stable operation of this embodiment is guaranteed.

As shown in fig. 1 and 3, the driving device comprises a first motor 7, a first crank 8 is connected to the first motor 7, and a movable end of the first crank 8 is connected to a first control piston 51 for driving the first control piston 51 to move.

Specifically, in this embodiment, the first motor 7 operates to drive the first crank 8 to move, and at this time, the first crank 8 drives the first control piston 51 to move, so as to adjust the length of the first control piston extending into the infusion line 3, so as to adjust the flow rate.

As shown in fig. 3, the second control valve 2 comprises a second control piston 21 and a second motor 6, an output shaft of the second motor 6 is connected with a second crank 9, a working end of the second crank 9 is connected with the second control piston 21 and is used for driving the second control piston 21 to move, and the working end of the second control piston 21 vertically penetrates through the side wall of the infusion pipeline 3 and can extend into the infusion pipeline 3.

Specifically, in this example, when the second motor 6 controls the second control piston 21 to move, the second control piston 21 has two states, when the second control piston 21 is fully extended into the infusion line 3, the infusion line 3 is fully closed at this time, filling is stopped, and when the second control piston 21 is fully moved out of the infusion line 3, the infusion line 3 is fully opened at this time, so that filling can be used.

As shown in fig. 1, the first motor 7 and the second motor 6 are arranged vertically in parallel, so that the occupied area is greatly saved, the space is effectively saved, even if a plurality of pouring heads 12 are arranged, the motors can be orderly arranged, congestion is avoided, the stability of the arrangement is ensured, meanwhile, the first motor 7 and the second motor 6 are arranged vertically, the disassembly and assembly are convenient, the transportation and the inspection are convenient, and the maintenance and transportation cost is greatly reduced.

As shown in fig. 3, a first guiding rod 10 is further installed on one side of the infusion pipeline 3, the movable end of the first crank 8 is in sliding connection with the first guiding rod 10, a second guiding rod 11 is installed on one side of the infusion pipeline 3, and the working end of the second crank 9 is in sliding connection with the second guiding rod 11.

Specifically, in the present embodiment, by providing the first guide rod 10 and the second guide rod 11, the stable operation of the first crank 8 and the second crank 9 is ensured, and the control flow of the smart package and the opening and closing of the pipeline are realized.

In the present embodiment, in order to solve the problem of dripping, this can be accomplished by the first control piston 51 and the second control piston 21 cooperating with each other;

specifically, in this embodiment, after the pouring is completed, the first control piston 51 returns to the initial position, at this time, the second control piston 21 closes the infusion line 3, then the first control piston 51 can move outwards, since the first control piston 51 moves outwards, a space is not formed by the first control piston 51 which is originally filled in the infusion line 3, a negative pressure is temporarily formed, as shown in fig. 4, and since the second control piston 21 closes the infusion line 3, no new liquid medicine is filled between the second control piston 21 and the first control piston 51 to the space, at this time, under the action of the external atmospheric pressure, the liquid medicine at the filling head 12 is extruded into the space caused by the first control piston 51, so that the liquid medicine to be dripped at the filling head 12 is retracted to the space for supplementing the space formed by the first control piston 51, and under the action of the atmospheric pressure, the second control piston 21 closes the infusion line 3, the outlet of the infusion head 12 is temporarily pressed against the outlet of the infusion line 12, so that the liquid medicine is not dripped at the space is greatly reduced, and the larger space is more wasted when the liquid medicine is dripped at the external space is more wasted at the original position of the infusion line 3;

also in this embodiment, when the infusion line 3 is closed, the second control piston 21 is closed, and the first control piston 51 is also closed together, then the first control piston 51 can move outwards immediately, so that a larger gap is formed, more liquid medicine is retracted, the liquid medicine to be dripped from the filling head 12 is retracted more quickly, and thus the problem of dripping can be solved better.

The working principle of the embodiment is as follows: the pressure detection device 4 detects the liquid medicine pressure in the infusion pipeline 3 and feeds back the result to the driving device in real time, at the moment, the driving device controls the length of the first control piston 51 extending into the infusion pipeline 3 and is used for adjusting the flow rate of the liquid medicine of the infusion head 12 to enable the flow rate of the liquid medicine to meet the specified requirement, when the infusion is completed, the second control piston 21 closes the infusion pipeline, at the moment, the first control piston 51 moves outwards to form negative pressure, and the liquid medicine at the infusion head 12 is retracted under the action of atmospheric pressure, so that the problem of dripping is avoided.

It should be understood that the above description of the specific embodiments of the present utility model is only for illustrating the technical route and features of the present utility model, and is for enabling those skilled in the art to understand the present utility model and implement it accordingly, but the present utility model is not limited to the above-described specific embodiments. All changes or modifications that come within the scope of the appended claims are intended to be embraced therein.

Claims (10)

1. The utility model provides a time pressure filling system, includes stock solution container (13), infusion pipeline (3) and locates first control valve (5), second control valve (2), pressure detection mechanism (4) on infusion pipeline (3), infusion pipeline (3) one end and stock solution container (13) intercommunication, infusion pipeline (3) other end and filling head (12) intercommunication, and first control valve (5) are located between second control valve (2) and filling head (12), its characterized in that: the infusion pipeline (3) comprises a soft pipe section and a hard pipe section, the hard pipe section is horizontally arranged, and the first control valve (5), the second control valve (2) and the pressure detection mechanism (4) are arranged on the hard pipe section.

2. A time pressure filling system according to claim 1, characterized in that the first control valve (5) comprises a first control piston (51), the working end of the first control piston (51) penetrates the side wall of the infusion line (3) and can extend into the infusion line (3), and the first control piston (51) is further connected with driving means for driving the extension length of the first control piston (51) in the infusion line (3).

3. A time pressure filling system according to claim 2, characterized in that the pressure detecting means (4) is electrically connected to the driving means for feeding back the pressure in the infusion line (3) to the driving means for controlling the extension of the first control piston (51) in the infusion line (3).

4. A time pressure filling system according to claim 2, wherein the axial direction of the first control piston (51) is perpendicular to the direction of transport of the liquid medicine in the infusion line (3).

5. A time pressure filling system according to claim 1, characterized in that the second control valve (2) comprises a second control piston (21) and a second motor (6), the output shaft of the second motor (6) is connected with a second crank (9), and the working end of the second crank (9) is connected with the second control piston (21) for driving the second control piston (21) to move.

6. A time pressure filling system according to claim 5, characterized in that a second guiding rod (11) is mounted on one side of the infusion line (3), and the working end of the second crank (9) is slidingly connected with the second guiding rod (11).

7. A time pressure filling system according to claim 6, wherein the working end of the second control piston (21) passes vertically through the side wall of the infusion line (3) and can extend into the infusion line (3).

8. A time pressure filling system according to claim 2, characterized in that the driving means comprise a first motor (7), a first crank (8) being connected to the first motor (7), the movable end of the first crank (8) being connected to the first control piston (51) for driving the first control piston (51) to move.

9. A time pressure filling system according to claim 8, characterized in that a first guiding rod (10) is further mounted on one side of the infusion line (3), the movable end of the first crank (8) being slidingly connected with the first guiding rod (10).

10. A time pressure filling system according to any one of claims 1-7, wherein the pressure detection means (4) comprises a pressure detection gauge, which pressure detection gauge is horizontally arranged.