Medicament adding and conveying assembly capable of accurately adding medicament

Abstract

The utility model relates to the technical field of medicament feeding, in particular to a medicament feeding and conveying assembly for precise medicament feeding, which comprises a metering pump, a connecting pipe is fixedly connected onto the surface of the metering pump, a pump head is fixedly connected onto the surface of the connecting pipe, a connecting rod is movably connected onto the output end of the metering pump, and a pump head is fixedly connected onto the pump head. A piston is fixedly connected to the surface of the connecting rod, a first pressing plate is fixedly connected to the piston, and a diaphragm is fixedly connected to the surface of the first pressing plate. When leakage occurs at the joint of the pump head and the diaphragm, the liquid level of liquid on the detection bin drops, and the liquid sensor cannot contact with the liquid, the liquid sensor drives the alarm to give an alarm through the connecting line to remind nearby workers to maintain the diaphragm as soon as possible, so that the metering deviation of the medicament is avoided, and the working efficiency is improved. And the accuracy of medicament metering is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medicament adding, specifically to a kind of medicament accurate adding of dosing delivery assembly. BACKGROUND

[0002] Medicament metering diaphragm pump can realize the accurate dosing delivery of medicament, and is the dosing delivery core component of medicament accurate adding, and the metering diaphragm pump is usually eccentric shaft at output end, and eccentric shaft drives connecting rod reciprocating motion, to drive the corresponding reciprocating motion of diaphragm.

[0003] The diaphragm of metering diaphragm pump is usually installed at pump head, and the connecting place between diaphragm and pump head, due to the problems such as aging of sealing gasket, medicament leakage can be caused, and then the metering deviation of medicament is caused, and the accuracy of medicament metering is reduced. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of medicament accurate adding of dosing delivery assembly, to solve the diaphragm of metering diaphragm pump usually installed at pump head in the above background technology, the connecting place between diaphragm and pump head, due to the problems such as aging of sealing gasket, medicament leakage can be caused, and then the metering deviation of medicament is caused, and the accuracy of medicament metering is reduced.

[0005] To achieve the above object, the utility model provides the following technical scheme, a kind of medicament accurate adding of dosing delivery assembly: including metering pump, the surface of the metering pump is fixedly connected with connecting pipe, the surface of the connecting pipe is fixedly connected with pump head, one end of the pump head is provided with inlet pipe, the other end of the pump head is provided with outlet pipe, the output end of the metering pump is movably connected with connecting rod, the surface of the connecting rod is fixedly connected with piston, the first pressing plate of the piston is fixedly connected with, the surface of the first pressing plate is fixedly connected with diaphragm, the surface of the pump head is fixedly installed with the diaphragm, the surface of the pump head is fixedly connected with second pressing plate, the surface of the pump head is provided with detection mechanism, the detection mechanism includes internal thread pipe, the surface of the internal thread pipe is fixedly connected with bolt, the bottom of the bolt is fixedly installed with liquid inductor, the surface of the liquid inductor is fixedly connected with connecting line, the surface of the connecting line is fixedly connected with alarm, the surface of the pump head is fixedly installed with the alarm.

[0006] Preferably, the output end of the metering pump drives the connecting rod to slide on the connecting pipe and the pump head, the connecting rod drives the piston to slide on the connecting pipe, and the connecting rod drives the first pressing plate to slide inside the pump head.

[0007] Preferably, the connecting rod is in a reciprocating motion state, the connecting rod drives the diaphragm to deform through the first pressing plate, a clamping groove is formed on the surface of the second pressing plate, and the first pressing plate continuously extrudes the clamping groove of the second pressing plate in the sliding process of the pump head.

[0008] Preferably, the first pressing plate and the diaphragm divide the interior of the pump head into a detection chamber and an output chamber, and the piston pushes the liquid in the connecting pipe into the detection chamber in the sliding process.

[0009] Preferably, the diaphragm expands the volume of the detection chamber by deforming, and the liquid level in the detection chamber remains unchanged.

[0010] Preferably, the bolt limits the liquid sensor on the top of the inner surface of the pump head through the internal thread pipe, and the connecting line is fixedly connected to the alarm through the inside of the bolt.

[0011] Preferably, the liquid sensor is used for sensing the liquid on the top of the detection chamber, and the liquid sensor drives the alarm to issue an alarm through the connecting line.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. When leakage occurs at the connection between the pump head and the diaphragm, the liquid level in the detection chamber decreases, the liquid sensor cannot contact the liquid, the liquid sensor drives the alarm to issue an alarm through the connecting line, reminding nearby staff to maintain the diaphragm as soon as possible, thereby avoiding the deviation of the measurement of the medicament and guaranteeing the accuracy of the measurement of the medicament.

[0014] 2. After the maintenance of the diaphragm is completed, the liquid level in the detection chamber is insufficient, causing the alarm to always issue an alarm, the bolt is rotated and removed from the internal thread pipe, liquid is added to the detection chamber through the internal thread pipe, when the liquid level in the detection chamber reaches the standard, the liquid sensor is arranged on the top of the detection chamber through the internal thread pipe and the bolt, and the leakage of the diaphragm is detected in real time, so that the maintenance work of the detection mechanism is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the structure of the utility model;

[0016] Figure 2 It is a front view of the structure of the utility model;

[0017] Figure 3 It is a side view of the structure of the utility model;

[0018] Figure 4 It is a front view of the structure of the utility model;

[0019] Figure 5 The utility model discloses Figure 4 The enlarged structure schematic diagram of A in the middle.

[0020] In the figure: 1, metering pump;11, connecting pipe;12, pump head;13, liquid inlet pipe;14, liquid outlet pipe;2, connecting rod;21, piston;22, first pressing plate;23, diaphragm;24, second pressing plate;25, detection bin;26, output bin;3, internal thread pipe;31, bolt;32, liquid inductor;33, connecting line;34, alarm. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5 An embodiment provided by the utility model:

[0023] A medicament precision dosing adds the medicine delivery assembly: including metering pump 1, the surface of metering pump 1 is fixedly connected with connecting pipe 11, the surface of connecting pipe 11 is fixedly connected with pump head 12, one end of pump head 12 is provided with liquid inlet pipe 13, the other end of pump head 12 is provided with liquid outlet pipe 14, the output end of metering pump 1 is movably connected with connecting rod 2, the surface of connecting rod 2 is fixedly connected with piston 21, the upper of piston 21 is fixedly connected with first pressing plate 22, the surface of first pressing plate 22 is fixedly connected with diaphragm 23, diaphragm 23 is fixedly installed on the surface of pump head 12, the surface of pump head 12 is fixedly connected with second pressing plate 24, the surface of pump head 12 is provided with detection mechanism, and the detection mechanism includes internal thread pipe 3, and internal thread pipe 3 is fixedly connected on the surface of pump head 12, and the surface of internal thread pipe 3 is threadedly connected with bolt 31, and the bottom of bolt 31 is fixedly installed with liquid inductor 32, and the surface of liquid inductor 32 is fixedly connected with connecting line 33, and the surface of connecting line 33 is fixedly connected with alarm 34, and alarm 34 is fixedly installed on the surface of pump head 12, its detection mechanism can detect whether the connecting place of diaphragm 23 and pump head 12 leaks, when leaking, can send alarm through alarm 34, to remind nearby staff to repair diaphragm 23 as soon as possible, to avoid the deviation of medicament metering, guarantee the precision of medicament metering.

[0024] Further, the output end of the metering pump 1 drives the connecting rod 2 to slide on the connecting pipe 11 and the pump head 12, the connecting rod 2 drives the piston 21 to slide on the connecting pipe 11, the connecting rod 2 drives the first pressing plate 22 to slide inside the pump head 12, the piston 21 and the first pressing plate 22 move synchronously, so that when the piston 21 pushes the liquid inside the connecting pipe 11 into the pump head 12, the first pressing plate 22 will push the diaphragm 23 to deform.

[0025] Further, the connecting rod 2 reciprocates, the connecting rod 2 drives the diaphragm 23 to deform through the first pressing plate 22, the second pressing plate 24 is provided with a clamping groove on the surface, the first pressing plate 22 continuously extrudes the clamping groove of the second pressing plate 24 in the sliding process of the pump head 12, and the diaphragm 23 absorbs the medicament in the process of deforming.

[0026] Further, the first pressing plate 22 and the diaphragm 23 divide the inside of the pump head 12 into a detection bin 25 and an output bin 26, the piston 21 pushes the liquid inside the connecting pipe 11 into the detection bin 25 in the sliding process, so as to guarantee the liquid level in the detection bin 25 and avoid the liquid level in the detection bin 25 from being lowered.

[0027] Further, the diaphragm 23 expands the volume of the detection bin 25 by deforming, the liquid level in the detection bin 25 remains unchanged, and the liquid always contacts the liquid sensor 32, so that the alarm 34 will not alarm.

[0028] Further, the bolt 31 limits the liquid sensor 32 on the top of the inner surface of the pump head 12 through the inner threaded pipe 3, the connecting line 33 penetrates the inside of the bolt 31 and is fixedly connected with the alarm 34, the bolt 31 and the liquid sensor 32 can be detached from the inner threaded pipe 3, and the inner threaded pipe 3 can be used to add liquid into the detection bin 25.

[0029] Further, the liquid sensor 32 is used for sensing the liquid on the top of the detection bin 25, the liquid sensor 32 drives the alarm 34 to alarm through the connecting line 33, the alarm 34 reminds the staff of the leakage, so as to maintain the diaphragm 23.

[0030] Working principle: the connecting rod 2 in the process of reciprocating, will drive the first pressing plate 22 to the second pressing plate 24 direction movement, piston 21 will also be synchronized on the connecting pipe 11 movement, the first pressing plate 22 will make the diaphragm 23 deformation, expand the detection warehouse 25 volume, piston 21 will push the liquid inside the connecting pipe 11 to detection warehouse 25, so as to guarantee the liquid level of detection warehouse 25 remains unchanged, when the pump head 12 and the connecting part of diaphragm 23 leak, the liquid level of detection warehouse 25 drops, liquid sensor 32 can't contact liquid, liquid sensor 32 through the connecting line 33 drive alarm 34 to issue warning, remind the nearby staff as soon as possible to maintain diaphragm 23, so as to avoid the deviation of the medicine metering, guarantee the accuracy of medicine metering.

[0031] After the maintenance of diaphragm 23 is completed, the liquid level in the detection warehouse 25 is not enough, causing the alarm 34 to issue alarm, the bolt 31 is rotated and removed from the inner threaded pipe 3, the liquid is added to the detection warehouse 25 through the inner threaded pipe 3, when the liquid level of detection warehouse 25 reaches the standard, liquid sensor 32 is placed on the top of detection warehouse 25 through inner threaded pipe 3 and bolt 31, whether the diaphragm 23 leaks is detected in real time, so that the maintenance work of detection mechanism is simple and convenient.

[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A drug delivery assembly for precise drug dosing, characterized in that: The system includes a metering pump (1), a connecting pipe (11) fixedly connected to the surface of the metering pump (1), a pump head (12) fixedly connected to the surface of the connecting pipe (11), an inlet pipe (13) provided at one end of the pump head (12), an outlet pipe (14) provided at the other end of the pump head (12), a connecting rod (2) movably connected to the output end of the metering pump (1), a piston (21) fixedly connected to the surface of the connecting rod (2), a first pressure plate (22) fixedly connected to the piston (21), a diaphragm (23) fixedly connected to the surface of the first pressure plate (22), and the diaphragm (23) fixedly installed on the pump head (12). On the surface, a second pressure plate (24) is fixedly connected to the surface of the pump head (12), and a detection mechanism is provided on the surface of the pump head (12). The detection mechanism includes an internal threaded tube (3), which is fixedly connected to the surface of the pump head (12). A bolt (31) is threadedly connected to the surface of the internal threaded tube (3). A liquid sensor (32) is fixedly installed at the bottom of the bolt (31). A connecting line (33) is fixedly connected to the surface of the liquid sensor (32). An alarm (34) is fixedly connected to the surface of the connecting line (33). The alarm (34) is fixedly installed on the surface of the pump head (12).

2. The dosing and delivery assembly for precise drug administration according to claim 1, characterized in that: The output end of the metering pump (1) drives the connecting rod (2) to slide on the connecting pipe (11) and the pump head (12). The connecting rod (2) drives the piston (21) to slide on the connecting pipe (11). The connecting rod (2) drives the first pressure plate (22) to slide inside the pump head (12).

3. The dosing and delivery assembly for precise drug dosing according to claim 1, characterized in that: The connecting rod (2) is in a reciprocating motion state. The connecting rod (2) drives the diaphragm (23) to deform through the first pressure plate (22). The surface of the second pressure plate (24) is provided with a slot. The first pressure plate (22) continuously squeezes the slot of the second pressure plate (24) during the sliding process of the pump head (12).

4. The dosing and delivery assembly for precise drug administration according to claim 1, characterized in that: The first pressure plate (22) and diaphragm (23) divide the interior of the pump head (12) into a detection chamber (25) and an output chamber (26). The piston (21) pushes the liquid inside the connecting pipe (11) into the detection chamber (25) during the sliding process.

5. A drug delivery assembly for precise drug dosing according to claim 4, characterized in that: The diaphragm (23) expands the volume of the detection chamber (25) by deformation, while the liquid level inside the detection chamber (25) remains unchanged.

6. The dosing and delivery assembly for precise drug dosing according to claim 1, characterized in that: The bolt (31) restricts the liquid sensor (32) to the top of the inner surface of the pump head (12) through the internally threaded tube (3), and the connecting wire (33) passes through the inside of the bolt (31) and is fixedly connected to the alarm (34).

7. A drug delivery assembly for precise drug dosing according to claim 6, characterized in that: The liquid sensor (32) is used to sense the liquid on the top of the detection chamber (25), and the liquid sensor (32) drives the alarm (34) to issue an alarm via the connecting line (33).

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