CN209996881U

CN209996881U - pressurization ultrafiltration device for nephrology department

Info

Publication number: CN209996881U
Application number: CN201920508375.7U
Authority: CN
Inventors: 张秀娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-01-31
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a nephrology department pressurization ultrafiltration device, including casing and ultrafiltration jar, ultrafiltration jar intercommunication has the feed liquor pipe, is equipped with the ultrafiltration screen in the ultrafiltration jar, and ultrafiltration jar lower extreme intercommunication has the drain pipe, be equipped with piston dish in the ultrafiltration jar, piston dish fixedly connected with piston post, piston post upper end is connected with reciprocating drive mechanism, ultrafiltration jar intercommunication has the intake pipe, and the intake pipe intercommunication has the pressure cylinder, pressure cylinder intercommunication has the exhaust tube, and the exhaust tube intercommunication has the air filter head, be equipped with the second piston dish in the pressure cylinder, second piston dish fixedly connected with second piston post, second piston post upper end is connected with second reciprocating drive mechanism, the utility model discloses a piston dish and the piston cylinder of setting in the ultrafiltration jar realize the high-efficient pressure filtration of ultrafiltration jar, through being equipped with linkage reciprocating drive mechanism and second reciprocating drive mechanism, realize high-efficient drive.

Description

pressurization ultrafiltration device for nephrology department

Technical Field

The utility model relates to the field of medical equipment, in particular to a kinds of nephrology department pressurization ultrafiltration device.

Background

Chronic kidney disease has become important diseases threatening human health after cardiovascular and cerebrovascular diseases, tumors, diabetes, and is a global public health problem.kidney is the main organ of body draining water, when kidney is diseased, water cannot be drained out of body, and is left in body, called renal edema.

the ultrafiltration device of nephrology department is used to filter the water in blood, the traditional pressurized ultrafiltration device of nephrology department has complex structure, many control nodes and low filtration efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide kinds of nephrology department pressurization ultrafiltration device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

nephrology department pressurization ultrafiltration device comprises a shell and an ultrafiltration tank, wherein the ultrafiltration tank is communicated with a liquid inlet pipe, an ultrafiltration screen is arranged in the ultrafiltration tank, the lower end of the ultrafiltration tank is communicated with a liquid outlet pipe, the liquid outlet pipe is communicated with a reflux pump, a piston disc is arranged in the ultrafiltration tank, a piston disc is fixedly connected with a piston disc, the upper end of the piston disc is connected with a reciprocating driving mechanism, the ultrafiltration tank is communicated with an air inlet pipe, the air inlet pipe is communicated with a pressurization cylinder, the pressurization cylinder is communicated with an air extraction pipe, the air extraction pipe is communicated with an air filter head, a second piston disc is arranged in the pressurization cylinder, the second piston disc is fixedly connected with a second piston column, and the upper end of the second piston column is connected with a second reciprocating driving mechanism.

The utility model discloses a scheme that advances step is that reciprocating drive mechanism includes that the 0 removes the frame, the 1 removes frame and piston post fixed connection, and the nestification has the eccentric column in the removes the frame, and eccentric column fixed connection has the carousel, and carousel fixed connection has the axis of rotation, and the axis of rotation is connected with driving motor's output shaft through the shaft coupling.

According to the scheme of , the upper end of the second piston column is fixedly connected with a second moving frame, a second eccentric column is nested in the second moving frame, the second eccentric column is fixedly connected with a second turntable, and the second turntable is fixedly connected with a second rotating shaft.

As a scheme for advancing steps of the utility model, the second rotating shaft is connected with the rotating shaft through a transmission belt for transmission.

The proposal of steps of the utility model is that the connection between the liquid inlet pipe and the ultrafiltration tank is provided with a one-way valve, the connection between the air inlet pipe and the pressure cylinder is provided with a second one-way valve, and the connection between the air exhaust pipe and the pressure cylinder is provided with a third one-way valve.

As a proposal for advancing , the second rotating shaft is rotatably connected with a fixed plate through a bearing seat, and the fixed plate is fixedly connected with the upper end surface of the shell.

Compared with the prior art, the utility model has the advantages that the utility model discloses a be equipped with piston disks and the piston cylinder of setting in the ultrafiltration jar, realize the high-efficient pressure filtration to the ultrafiltration jar, through being equipped with the reciprocal actuating mechanism of of linkage and the reciprocal actuating mechanism of second, realize high-efficient drive.

Drawings

FIG. 1 is a schematic view of the internal mechanism of a pressurized ultrafiltration device for nephrology department;

FIG. 2 is a top view of a pressurized ultrafiltration device for nephrology;

fig. 3 is an enlarged view of a point a in fig. 1.

In the figure, 1-shell, 2-ultrafiltration tank, 3-liquid inlet pipe, 4- th one-way valve, 5-ultrafiltration screen, 6-liquid outlet pipe, 7-reflux pump, 8- th piston disc, 9- th piston column, 10- th moving frame, 11- th eccentric column, 12- th rotating disc, 13- th rotating shaft, 14-pressurizing cylinder, 15-air inlet pipe, 16-second one-way valve, 17-air extraction pipe, 18-third one-way valve, 19-air filter head, 20-second piston disc, 21-second piston column, 22-second rotating disc, 23-second rotating shaft, 24-fixing plate, 25-second moving frame, 26-second eccentric column, 27-transmission belt, 28-driving motor and 29-control panel.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, kinds of nephrology department pressurization ultrafiltration devices include a housing 1 and an ultrafiltration tank 2, wherein the ultrafiltration tank 2 is communicated with a liquid inlet pipe 3, blood enters the ultrafiltration tank 2 from the liquid inlet pipe 3, a one-way valve 4 is disposed at the communication position of the liquid inlet pipe 3 and the ultrafiltration tank 2 to prevent blood from flowing back to the liquid inlet pipe 3 from the ultrafiltration tank 2, an ultrafiltration screen 5 is disposed in the ultrafiltration tank 2, the ultrafiltration screen 5 intercepts and filters moisture in the blood, a liquid outlet pipe 6 is communicated with the lower end of the ultrafiltration tank 2, the liquid outlet pipe 6 is communicated with a reflux pump 7, and the reflux pump 7 feeds the filtered blood back to a human body.

An -th piston disc 8 is arranged in the ultrafiltration tank 2, a -th piston disc 8 is fixedly connected with a -th piston column 9, the upper end of the -th piston column 9 is connected with a -th reciprocating driving mechanism, a -th reciprocating driving mechanism drives a -th piston disc 8 to reciprocate up and down in the ultrafiltration tank 2 to squeeze and filter blood entering the ultrafiltration tank 2, the ultrafiltration tank 2 is communicated with an air inlet pipe 15, the air inlet pipe 15 is communicated with a pressurizing cylinder 14, the pressurizing cylinder 14 injects air into the ultrafiltration tank 2, the air pressure of the ultrafiltration tank 2 is increased by steps to enhance the filtering efficiency, a second one-way valve 16 is arranged at the position where the air inlet pipe 15 is communicated with the pressurizing cylinder 14 to prevent the blood from entering the pressurizing cylinder 14, the pressurizing cylinder 14 is communicated with an air suction pipe 17, the air suction pipe 17 is communicated with an air filter head 19, the air filter head 19 filters the air entering the pressurizing cylinder 14 to prevent the blood from being polluted, and a third one-way valve 18 is arranged at the position where the air suction pipe 17 is communicated with the pressurizing cylinder 14.

And a second piston disc 20 is arranged in the pressurizing cylinder 14, a second piston column 21 is fixedly connected to the second piston disc 20, a second reciprocating driving mechanism is connected to the upper end of the second piston column 21, and the second reciprocating driving mechanism drives the second piston disc 20 to reciprocate up and down so as to pressurize the ultrafiltration tank 2.

Example 2

The difference between this embodiment and embodiment 1 is that the reciprocating driving mechanism includes a th moving frame 10, a 0 th moving frame 10 is fixedly connected to a 1 th piston post 9, a 2 th moving frame 10 is nested with a 3 th eccentric post 11, a 4 th eccentric post 11 is fixedly connected to a 5 th rotating disc 12, a th rotating disc 12 is fixedly connected to a th rotating shaft 13, a th rotating shaft 13 is connected to an output shaft of a driving motor 28 through a coupler, the driving motor 28 drives a th rotating shaft 13 to rotate, so as to drive a th eccentric post 11 on the th rotating disc 12 to make a circular motion, and the th eccentric post 11 drives the th moving frame 10 to make an up-and-down reciprocating motion.

The second reciprocating driving mechanism is the same as the reciprocating driving mechanism in structure, the upper end of the second piston column 21 is fixedly connected with a second moving frame 25, a second eccentric column 26 is nested in the second moving frame 25, the second eccentric column 26 is fixedly connected with a second rotating disc 22, the second rotating disc 22 is fixedly connected with a second rotating shaft 23, the second rotating shaft 23 is rotatably connected with a fixed plate 24 through a bearing seat, the fixed plate 24 is fixedly connected with the upper end face of the shell 1, the second rotating shaft 23 is connected with a rotating shaft 13 through a transmission belt 27 for transmission, linkage of the second reciprocating driving mechanism and the reciprocating driving mechanism is achieved, the structure is simple, and the driving efficiency is high.

It is specially noted that the ultrafiltration screen, the reflux pump and the driving motor in the application are the prior art, the th piston disc, the pressurizing cylinder, the th reciprocating driving mechanism and the second reciprocating driving mechanism which are arranged in the ultrafiltration tank are the innovation points of the application, the high-efficiency pressurizing and filtering of the ultrafiltration tank are realized by arranging the th piston disc and the piston cylinder which are arranged in the ultrafiltration tank, and the high-efficiency driving is realized by arranging the th reciprocating driving mechanism and the second reciprocating driving mechanism which are linked.

It will thus be seen that the present invention is illustrative and not restrictive, and the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment contains independent technical solutions, and such description of the description is only for clarity, and those skilled in the art should take the description as as a whole, and the technical solutions in the respective embodiments may be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

The nephrology department pressurization ultrafiltration device comprises a shell (1) and an ultrafiltration tank (2), and is characterized in that the ultrafiltration tank (2) is communicated with a liquid inlet pipe (3), an ultrafiltration screen (5) is arranged in the ultrafiltration tank (2), the lower end of the ultrafiltration tank (2) is communicated with a liquid outlet pipe (6), the liquid outlet pipe (6) is communicated with a reflux pump (7), a piston disc (8) is arranged in the ultrafiltration tank (2), a piston disc (8) is fixedly connected with a piston column (9), the upper end of the piston column (9) is connected with a reciprocating driving mechanism, the ultrafiltration tank (2) is communicated with an air inlet pipe (15), the air inlet pipe (15) is communicated with a pressure cylinder (14), the pressure cylinder (14) is communicated with an air extraction pipe (17), the air extraction pipe (17) is communicated with an air filter head (19), a second piston disc (20) is arranged in the pressure cylinder (14), the second piston disc (20) is fixedly connected with a second piston column (21), and the upper end of the second piston column (21) is connected with the reciprocating driving mechanism.
2. The kinds of nephrology department pressurization ultrafiltration device of claim 1, wherein the th reciprocating drive mechanism comprises a 0 th moving frame (10), a 1 th moving frame (10) is fixedly connected with a th piston column (9), a th moving frame (10) is nested with a th eccentric column (11), a th eccentric column (11) is fixedly connected with a th rotating disc (12), a th rotating disc (12) is fixedly connected with a th rotating shaft (13), and a th rotating shaft (13) is connected with an output shaft of a drive motor (28) through a coupling.
3. The kinds of nephrology department pressurized ultrafiltration device according to claim 1, wherein a second moving frame (25) is fixedly connected to the upper end of the second piston column (21), a second eccentric column (26) is nested in the second moving frame (25), a second rotating disc (22) is fixedly connected to the second eccentric column (26), and a second rotating shaft (23) is fixedly connected to the second rotating disc (22).
4. kinds of nephrology department pressure ultrafiltration device according to claim 3, characterized in that, the second rotating shaft (23) is connected with the rotating shaft (13) for transmission through a transmission belt (27).
5. The kinds of nephrology department pressure ultrafiltration device according to claim 1, wherein a th check valve (4) is arranged at the communication position of the liquid inlet pipe (3) and the ultrafiltration tank (2), a second check valve (16) is arranged at the communication position of the air inlet pipe (15) and the pressurization cylinder (14), and a third check valve (18) is arranged at the communication position of the air exhaust pipe (17) and the pressurization cylinder (14).
6. kinds of nephrology department pressure ultrafiltration device according to claim 3, characterized in that the second rotating shaft (23) is rotatably connected with a fixing plate (24) through a bearing seat, and the fixing plate (24) is fixedly connected with the upper end face of the shell (1).