Drainage connector of hemodialysis machine
By designing an automated drainage connector for hemodialysis machines, and utilizing a level sensor and hydraulic rod to drive the piston and brush, the problem of pipe blockage in the drainage system of hemodialysis machines was solved, achieving efficient pipe cleaning and ensuring equipment safety.
Patent Information
- Application Number
- CN202422324572.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-09-24
Smart Images

Figure CN223516710U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hemodialysis machine technical field, concretely is hemodialysis machine drainage joint. BACKGROUND
[0002] Hemodialysis refers to the removal of some waste in blood through a semi-permeable membrane, and hemodialysis is a relatively safe, easy and widely used blood purification method. The working principle of hemodialysis machine is that the dialysis concentrate and dialysis water are prepared into qualified dialysis liquid through a dialysis liquid supply system, and the patient's blood is led out by a blood monitoring alarm system to perform solute dispersion, permeation and ultrafiltration. The patient's blood after the action is returned to the patient's body through the blood monitoring alarm system, and the liquid after dialysis is discharged as waste liquid by the dialysis liquid supply system. The process is repeated continuously to complete the entire dialysis process.
[0003] At present, the hemodialysis machine discharges waste liquid into the drain through its own drain pipe, lacks a corresponding liquid discharge joint, and the protein esters in the waste liquid will adhere to the pipe wall after long-term use. Long-term accumulation can cause pipe blockage, which in turn leads to poor drainage of the hemodialysis machine, and can also cause dialysis treatment to decline or the hemodialysis machine to alarm and interrupt treatment, causing waste liquid to flow back into the hemodialysis machine and causing pollution.
[0004] The blood dialysis machine liquid discharge joint disclosed in Chinese Patent No. CN217510910U sets a positioning pipe matched with the hemodialysis machine liquid discharge pipe, and sets corresponding connecting pipes, inclined pipes, liquid outlet pipes and drain pipes, thereby achieving the effect of serving as a hemodialysis machine liquid discharge joint. The waste liquid can be discharged into the drain under a closed condition, the inclined pipe can store water, and the effect of blocking odor backflow is achieved. A disc block is arranged inside the inclined pipe, and a light rod and a control block are arranged correspondingly, so that the control block is pulled, the light rod pulls the disc block to move, the disc block cleans the inside of the inclined pipe, the pipe blockage is effectively prevented, and the overflow pipe is arranged to prevent backflow in the case of blockage.
[0005] In the actual use process of the above-mentioned device, the disc block is manually moved to remove the blockage, which is troublesome and time-consuming and laborious to manually remove the blockage frequently, and the impurity cleaning efficiency of the inner wall of the pipe is not high. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a hemodialysis machine drainage joint, which has the effects of automatically cleaning the impurities in the pipe and conveniently removing the impurities adhering to the inner wall of the pipe, high cleaning efficiency and the characteristics of effectively preventing pipe blockage.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: hemodialysis machine drainage joint, including the guide tube and the support of installation in the guide tube lateral wall, the one end of guide tube is connected with the inclined pipe, the upper end of inclined pipe bottom is connected with the drain pipe, the one end of inclined pipe is equipped with the top cap, the lateral wall of top cap is equipped with two up and down distribution's hydraulic rod, the output of two hydraulic rod is equipped with the moving plate, the lateral wall of moving plate is equipped with the support rod, the other end of support rod passes through the top cap and lateral wall fixed sleeve and is equipped with the piston of sliding connection with the inclined pipe inner lateral wall, the other end of support rod is equipped with the round plate, the lateral wall of round plate is equipped with the brush of abutment with the inclined pipe inner wall,
[0008] The right side of the inclined pipe is provided with a liquid collection bottle, the liquid collection bottle includes a sewage collection bin and a cleaning liquid bin, a sewage discharge pipe is connected between the end of the inclined pipe away from the top cap and the sewage collection bin, and a water inlet pipe is connected to the outer lateral wall of the inclined pipe, the other end of the water inlet pipe penetrates the cleaning liquid bin and extends into the interior of the cleaning liquid bin.
[0009] In order to prevent the sewage in the sewage collection bin from flowing back into the interior of the inclined pipe, as the hemodialysis machine drainage joint of the utility model, a first one-way valve is installed on the outer lateral wall of the sewage discharge pipe.
[0010] In order to prevent the sewage in the inclined pipe from flowing into the cleaning liquid bin, as the hemodialysis machine drainage joint of the utility model, a second one-way valve is installed on the outer lateral wall of the water inlet pipe.
[0011] In order to facilitate the discharge of overflowed waste liquid and the detection of whether the waste liquid flows into the overflow pipe, as the hemodialysis machine drainage joint of the utility model, an overflow pipe is connected to the outer lateral wall of the guide tube, and a liquid level sensor is installed on the outer lateral wall of the overflow pipe.
[0012] In order to facilitate the control of the closing and opening of the guide tube, as the hemodialysis machine drainage joint of the utility model, a valve is installed on the outer lateral wall of the guide tube.
[0013] In order to facilitate the observation of the remaining amount of liquid in the sewage collection bin and the cleaning liquid bin, as the hemodialysis machine drainage joint of the utility model, the outer lateral walls of the sewage collection bin and the cleaning liquid bin are transparent.
[0014] Compared with the prior art, the utility model has the beneficial effects as follows:
[0015] The utility model discloses a long time after discharging, when the inclined pipe 2 is not smooth, the waste liquid in the inclined pipe 2 enters the overflow pipe 102, and the liquid level sensor 103 detects the waste liquid and sends information to the controller at this moment, and the controller starts two hydraulic rods 401 and closes the valve 101, can push the moving plate 4, support rod 5, piston 501, round plate 6 and the brush 601 movement, so that the piston 501 pushes the impurity in the inclined pipe 2 into the drain pipe 3 and discharges, and the brush 601 can clean the inner wall of the inclined pipe 2 when moving, and at the same time, the piston 501 can draw the cleaning fluid in the cleaning fluid bin 802 into the inclined pipe 2 through the water pipe 9 when moving, which is convenient for the brush 601 to repeatedly brush the inner wall of the inclined pipe 2, and the waste liquid of brushing can be collected in the sewage collection bin 801 through the blowdown pipe 7 when the piston 501 moves, thereby achieving the effect that the impurities in the pipeline are automatically cleaned and the impurities adhered to the inner wall of the pipeline are conveniently removed, and the cleaning efficiency is high, and the pipeline blockage is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the overall sectional view structure diagram of the utility model;
[0017] Fig. 2 It is the local structure diagram of the utility model;
[0018] Fig. 3 It is the structure diagram of the brush of the utility model.
[0019] In the drawing: 1, flow guide pipe;101, valve;102, overflow pipe;103, liquid level sensor;2, inclined pipe;201, top cover;3, drain pipe;4, moving plate;401, hydraulic rod;5, support rod;501, piston;6, round plate;601, brush;7, blowdown pipe;701, first check valve;8, liquid collection bottle;801, sewage collection bin;802, cleaning fluid bin;9, water pipe;901, second check valve. DETAILED DESCRIPTION
[0020] Please refer to Figs. 1 to 3 , the blood dialysis machine drain connector, including flow guide pipe 1 and installing on the outer lateral wall of flow guide pipe 1's support, flow guide pipe 1 one end is connected with inclined pipe 2, and the upper end of the bottom of inclined pipe 2 is connected with drain pipe 3, and one end of inclined pipe 2 is installed with top cover 201, and the outer lateral wall of top cover 201 is installed with two up and down distribution's hydraulic rod 401, and the output end of two hydraulic rods 401 is installed with moving plate 4, and the outer lateral wall of moving plate 4 is installed with support rod 5, and the other end of support rod 5 is penetrated through top cover 201 and the outer lateral wall is fixed with piston 501 that is slidably connected with the inner lateral wall of inclined pipe 2, and the other end of support rod 5 is installed with round plate 6, and the outer lateral wall of round plate 6 is installed with the brush 601 that is abutted with the inner wall of inclined pipe 2;
[0021] A liquid collecting bottle 8 is arranged below the right side of the inclined pipe 2, the liquid collecting bottle 8 comprises a sewage collecting bin 801 and a cleaning liquid bin 802, a sewage pipe 7 is in communication between the sewage collecting bin 801 and the end of the inclined pipe 2 away from the top cover 201, and an upper water pipe 9 is in communication with the outer side wall of the inclined pipe 2, and the other end of the upper water pipe 9 penetrates through the cleaning liquid bin 802 and extends into the cleaning liquid bin 802.
[0022] In the embodiment, when the inclined pipe 2 is not smooth in discharging liquid after a long time of discharging liquid, the waste liquid in the inclined pipe 2 enters the overflow pipe 102, at this time, the liquid level sensor 103 detects the waste liquid and sends information to the controller, the controller starts the two hydraulic rods 401 and closes the valve 101, the moving plate 4, the supporting rod 5, the piston 501, the circular plate 6 and the brush 601 are pushed to move, the piston 501 pushes the impurities in the inclined pipe 2 into the drain pipe 3 to be discharged, the brush 601 can clean the inner wall of the inclined pipe 2 when moving, and at the same time, the piston 501 can suck the cleaning liquid in the cleaning liquid bin 802 into the inclined pipe 2 through the upper water pipe 9 when moving, so that the brush 601 repeatedly brushes the inner wall of the inclined pipe 2, the waste liquid of the brushing is discharged into the sewage collecting bin 801 through the sewage pipe 7 when the piston 501 moves to be collected, so that the effect of automatically cleaning the impurities in the pipeline and conveniently removing the impurities adhered to the inner wall of the pipeline is achieved, the cleaning efficiency is high, and the pipeline is effectively prevented from being blocked.
[0023] As a technical optimization scheme of the utility model, the outer side wall of the sewage pipe 7 is provided with a first one-way valve 701.
[0024] In the embodiment, the first one-way valve 701 is arranged, so that the sewage in the inner side of the inclined pipe 2 can flow into the sewage collecting bin 801 through the sewage pipe 7, and the sewage in the sewage collecting bin 801 can be prevented from flowing back to the inner side of the inclined pipe 2.
[0025] As a technical optimization scheme of the utility model, the outer side wall of the upper water pipe 9 is provided with a second one-way valve 901.
[0026] In the embodiment, the second one-way valve 901 is arranged, so that the cleaning liquid in the cleaning liquid bin 802 can flow into the inclined pipe 2 through the upper water pipe 9, and the sewage in the inclined pipe 2 can be prevented from flowing into the cleaning liquid bin 802.
[0027] As a technical optimization scheme of the utility model, the outer side wall of the guide pipe 1 is in communication with an overflow pipe 102, and the outer side wall of the overflow pipe 102 is provided with a liquid level sensor 103.
[0028] In the embodiment, the overflow pipe 102 is arranged, so that the overflow waste liquid can be discharged, and the liquid level sensor 103 is arranged, so that whether the waste liquid flows into the overflow pipe 102 can be detected.
[0029] As a technical optimization scheme of the utility model, the outer side wall of the flow guide pipe 1 is provided with a valve 101.
[0030] In the embodiment, the valve 101 is arranged, so that the closing and opening of the flow guide pipe 1 can be controlled.
[0031] As a technical optimization scheme of the utility model, the outer side walls of the sewage collecting bin 801 and the cleaning liquid bin 802 are transparent.
[0032] In the embodiment, the outer side walls of the sewage collecting bin 801 and the cleaning liquid bin 802 are transparent, so that the remaining amount of liquid in the sewage collecting bin 801 and the cleaning liquid bin 802 can be observed.
[0033] Working principle: first, when the device is used, the device is connected with the controller, then the waste liquid in the hemodialysis machine can flow into the inclined pipe 2 through the flow guide pipe 1, and then the liquid is discharged through the drain pipe 3, after a long time of discharging liquid, the impurities in the inner wall of the inclined pipe 2 are accumulated and adhered, and the inner wall of the inclined pipe 2 is thickened, so that when the inclined pipe 2 is not smooth, the waste liquid in the inclined pipe 2 enters the overflow pipe 102, at this time, the liquid level sensor 103 (C5 / C21) detects the waste liquid and sends information to the controller (060-117366 Danfoss), the controller starts two hydraulic rods 401 and closes the valve 101, the moving plate 4 is pushed to move, the moving plate 4 drives the support rod 5, the piston 501, the circular plate 6 and the brush 601 to move, so that the piston 501 pushes the impurities in the inclined pipe 2 into the drain pipe 3 to discharge, and the brush 601 can clean the inner wall of the inclined pipe 2 when moving, and at the same time, the piston 501 can draw the cleaning liquid in the cleaning liquid bin 802 into the inclined pipe 2 through the water inlet pipe 9 when moving, so that the brush 601 can repeatedly brush the inner wall of the inclined pipe 2, and the waste liquid is discharged into the sewage collecting bin 801 through the drain pipe 7 when the piston 501 moves, so as to realize the automatic cleaning of the inclined pipe 2.
[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A drain connector for a hemodialysis machine, comprising a guide tube (1) and a bracket installed on the outer wall of the guide tube (1), wherein one end of the guide tube (1) is connected to an inclined tube (2), and the upper end of the bottom of the inclined tube (2) is connected to a drain tube (3), characterized in that: One end of the inclined pipe (2) is provided with a top cover (201), the outer wall of the top cover (201) is provided with two hydraulic rods (401) distributed up and down, the output ends of the two hydraulic rods (401) are provided with a moving plate (4), the outer wall of the moving plate (4) is provided with a supporting rod (5), the other end of the supporting rod (5) penetrates through the top cover (201) and is provided, at the outer wall, with a piston (501) which is in sliding connection with the inner wall of the inclined pipe (2), the other end of the supporting rod (5) is provided with a circular plate (6), the outer wall of the circular plate (6) is provided with a brush (601) which is in abutment with the inner wall of the inclined pipe (2). A sewage collecting bottle (8) is arranged below the right side of the inclined pipe (2), the sewage collecting bottle (8) comprises a sewage collecting bin (801) and a cleaning liquid bin (802), a sewage discharge pipe (7) is in communication between the end of the inclined pipe (2) away from the top cover (201) and the sewage collecting bin (801), the outer wall of the inclined pipe (2) is in communication with a water inlet pipe (9), the other end of the water inlet pipe (9) penetrates through the cleaning liquid bin (802) and extends into the cleaning liquid bin (802).
2. The hemodialysis machine drain connector of claim 1, wherein: The outer wall of the sewage discharge pipe (7) is provided with a first one-way valve (701).
3. The hemodialysis machine drain connector of claim 1, wherein: The outer wall of the water inlet pipe (9) is provided with a second one-way valve (901).
4. The hemodialysis machine drain connector of claim 1, wherein: The outer wall of the flow guide pipe (1) is in communication with an overflow pipe (102), the outer wall of the overflow pipe (102) is provided, penetratingly, with a liquid level sensor (103).
5. The hemodialysis machine drain connector of claim 1, wherein: The outer wall of the flow guide pipe (1) is provided with a valve (101).
6. The hemodialysis machine drain connector of claim 1, wherein: The outer walls of the sewage collecting bin (801) and the cleaning liquid bin (802) are transparent.
Citation Information
Patent Citations
Drainage connector of hemodialysis machine
CN217510910U