Automatic flushing machine

Abstract

The utility model discloses an automatic flushing machine which comprises a supporting frame, a first weighing device, a second weighing device, a first pinch valve, a second pinch valve and a control system, the first weighing device and the second weighing device are both fixedly connected with the supporting frame, and the first pinch valve and the second pinch valve are arranged in the middle of the supporting frame. First hooks are arranged at the lower ends of the first weighing device and the second weighing device; and the first weighing device, the second weighing device, the first pinch valve and the second pinch valve are all in signal connection with the control system. Therefore, according to the device, the control system is arranged to collect weighing data of the first weighing device and the second weighing device and control the first pinch valve and the second pinch valve, so that the filling amount and the drainage amount can be accurately controlled, manual operation is reduced, and the labor cost is effectively saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, in particular to an automatic washing machine. BACKGROUND

[0002] Peritoneal dialysis as an important kidney replacement therapy for end-stage renal disease patients, the application rate reaches 11% in the dialysis population all over the world. Peritoneal dialysis has the advantages of stable hemodynamics, protecting residual renal function, economy, simplicity and the like compared with traditional hemodialysis, and can significantly improve the quality of life of patients. Each peritoneal patient needs to carry out low-dose dialysis before dialysis, that is, one bag of peritoneal dialysis is drained 8 times, and the process needs nurses to continuously operate at the bedside, and each patient needs at least 30 minutes, and the amount of each infusion and drainage is measured by visual observation, which is inaccurate. The peritoneal dialysis machine can also assist in the flushing operation before dialysis, but additional consumables are needed when using the peritoneal dialysis machine for flushing, which increases the use cost, and the peritoneal dialysis machine occupies a large area, and the operation process is complex, so the peritoneal dialysis machine is rarely used for flushing in clinical practice, and flushing operation is generally performed by medical staff. Therefore, the medical instrument field needs to propose a flushing machine that can improve the degree of automation, reduce labor costs and improve the accuracy of drainage and infusion. SUMMARY

[0003] In view of the above prior art, the utility model provides an automatic washing machine, and the main technical problem to be solved is how to reduce labor costs and improve the accuracy of drainage and infusion.

[0004] To achieve the above purpose, the technical scheme of the utility model embodiment is as follows:

[0005] An automatic washing machine, comprising a support frame, a first weighing device, a second weighing device, a first pipe clamp valve, a second pipe clamp valve and a control system, the first weighing device and the second weighing device are fixedly connected with the support frame, the first pipe clamp valve and the second pipe clamp valve are arranged in the middle part of the support frame, the lower end of the first weighing device and the second weighing device is provided with a first hook, the first weighing device, the second weighing device, the first pipe clamp valve and the second pipe clamp valve are signal connected with the control system.

[0006] Preferably, the first pipe clamp valve and the second pipe clamp valve are provided with a liquid flow sensor, and the liquid flow meter is signal connected with the control system.

[0007] Preferably, the lower end of the support frame is provided with a support rod, and the lower end of the support rod is provided with a universal wheel.

[0008] Preferably, the lower side of the first hook is provided with a second hook.

[0009] Preferably, the first hook and the second hook are connected by a telescopic mechanism, the telescopic mechanism comprising a connecting straight rod, a scissor-folded parallel four-bar linkage and a spring, the upper end of the connecting straight rod being connected with the lower end of the first weighing device or the second weighing device, the upper end of the scissor-folded parallel four-bar linkage being hingedly connected with the lower end of the connecting straight rod, the first hook being arranged at the middle part of the scissor-folded parallel four-bar linkage, the second hook being arranged at the bottom of the scissor-folded parallel four-bar linkage, the lower end of the spring being arranged at the connection between the first hook and the scissor-folded parallel four-bar linkage, the upper end of the spring being arranged at the top of the scissor-folded parallel four-bar linkage.

[0010] Preferably, two second hooks are arranged, the bottom of the telescopic unit of the lowermost end of the scissor-folded parallel four-bar linkage is provided with a hook connecting rod, the two ends of the hook connecting rod are rotatably connected with the left side and the right side of the telescopic unit of the lowermost end of the scissor-folded parallel four-bar linkage respectively, and the two second hooks are arranged at the left side connection and the right side connection of the hook connecting rod and the scissor-folded parallel four-bar linkage respectively.

[0011] Preferably, a locking mechanism is arranged at the connection between the hook connecting rod and the scissor-folded parallel four-bar linkage, the locking mechanism comprising a housing, a one-way ratchet gear and a one-way ratchet ring matched with the one-way ratchet gear, the one-way ratchet gear being fixedly connected with the bottom of the scissor-folded parallel four-bar linkage, the one-way ratchet gear being rotatably connected with the hook connecting rod, the one-way ratchet ring being arranged as a semi-ring structure with the lower part being open, and the one-way ratchet ring being fixedly connected with the upper end of the second hook.

[0012] Preferably, the lower end of the support frame is also provided with a plurality of first hooks, second hooks and telescopic mechanisms which are the same as the structures below the first weighing device and the second weighing device.

[0013] Preferably, the support rod is arranged as a telescopic rod structure.

[0014] Preferably, the support frame is arranged as an infusion support structure, the infusion support structure comprising a lifting rod, a base and a pulley, the lower end of the lifting rod being fixedly connected with the base, the lower end of the base being provided with the pulley, the first weighing device, the second weighing device, the first pinch valve, the second pinch valve and the control system all being fixedly connected with arc-shaped clamps, and being detachably connected with the lifting rod through the arc-shaped clamps.

[0015] The utility model discloses an advantageous effect lies in: the first hook can be used to respectively hang the infusion bag and the drainage bag below the first weighing device and the second weighing device to carry out real -time weighing, and the weighing information is transmitted to the control system.

[0016] To sum up, the control system of the utility model is arranged to collect the weighing data of the first weighing device and the second weighing device, and the first clamp valve and the second clamp valve are controlled, so that the infusion amount and the drainage amount can be accurately controlled, and manual operation is reduced, effectively saving labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of an automatic flushing machine in the embodiment 1 of the utility model;

[0018] Figure 2 It is the structure schematic drawing of an automatic flushing machine in the embodiment 2 of the utility model;

[0019] Figure 3 It is the structure schematic drawing of the one-way ratchet ring upward movement and the one-way ratchet ring disconnection in the embodiment 2 of the utility model;

[0020] Figure 4 It is the connection structure schematic drawing of the one-way ratchet ring downward movement and the one-way ratchet ring meshing in the embodiment 2 of the utility model;

[0021] Figure 5 It is the connection structure schematic drawing of the first hook and the second hook in the embodiment 2 of the utility model;

[0022] Figure 6 It is the structure schematic drawing of an automatic flushing machine in the embodiment 3 of the utility model;

[0023] Figure 7 It is the enlarged view of A in the embodiment 3 of the utility model;

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, support frame; 2, first weighing device; 3, second weighing device; 4, first pinch valve; 5, second pinch valve; 6, control system; 7, first hook; 8, liquid flow sensor; 9, second hook; 10, telescopic mechanism; 11, locking mechanism;

[0026] 101, support rod; 102, universal wheel; 103, lifting rod; 104, base; 105, pulley; 106, arc clamp;

[0027] 1001, connecting straight rod; 1002, scissor folding parallel four-bar linkage; 1003, spring; 1004, hook connecting rod;

[0028] 1101, housing; 1102, one-way ratchet gear; 1103, one-way ratchet ring. DETAILED DESCRIPTION

[0029] The technical scheme of the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. In the following description, the expression "some embodiments" describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0030] It should be further noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "inner", "outer", "left", "right", and similar expressions used herein are for the purpose of description only and are not intended to be the only implementation.

[0031] Embodiment 1

[0032] Referring to the accompanying drawings Figure 1The application provides an automatic flushing machine, which comprises a support frame 1, a first weighing device 2, a second weighing device 3, a first pinch valve 4, a second pinch valve 5 and a control system 6, the first weighing device 2 and the second weighing device 3 are fixedly connected with the support frame 1, the first pinch valve 4 and the second pinch valve 5 are arranged in the middle part of the support frame 1, the lower ends of the first weighing device 2 and the second weighing device 3 are provided with a first hook 7, and the first weighing device 2, the second weighing device 3, the first pinch valve 4 and the second pinch valve 5 are signal-connected with the control system 6. In the embodiment, the first weighing device 2 and the second weighing device 3 are arranged as digital display tension gauges, and other weighing instruments capable of weighing in suspension can also be used. The first weighing device 2 and the second weighing device 3 are arranged, the first hook 7 is used to suspend a filling bag and a drainage bag below the first weighing device 2 and the second weighing device 3 for real-time weighing, and the weighing information is transmitted to the control system 6. In the embodiment, the control system 6 is arranged as an 8051 single-chip microcomputer, and the control system 6 can also use other controllers commonly used in the field and meeting the requirements of the scheme. The pipeline connected with the filling bag penetrates through the first pinch valve 4, the pipeline connected with the drainage bag penetrates through the second pinch valve 5, when the flushing operation is performed, the first pinch valve 4 is opened, the second pinch valve 5 is closed, the liquid in the filling bag continuously flows into the abdominal cavity of a patient, when the weight of the filling bag decreases to a set filling amount, the control system 6 controls the first pinch valve 4 to be closed and controls the second pinch valve 5 to be opened, the drainage operation is performed, when the weight of the drainage bag increases to a set drainage amount, the control system 6 controls the second pinch valve 5 to be closed and controls the first pinch valve 4 to be opened, the filling operation is performed, and the operations are repeated until the set number of times of drainage and filling is reached, and then the device stops. As described above, the control system 6 is arranged to collect the weighing data of the first weighing device 2 and the second weighing device 3, and the first pinch valve 4 and the second pinch valve 5 are controlled, so that the filling amount and the drainage amount can be accurately controlled, and manual operation is reduced, thereby effectively saving labor cost.

[0033] Embodiment 2

[0034] Reference is made to the accompanying drawings Figures 2-5The difference between the embodiment and embodiment 1 is that the first pinch valve 4 and the second pinch valve 5 are provided with a liquid flow sensor 8, and the liquid flow sensor is in signal connection with the control system 6. The pipeline is connected with the liquid flow sensor 8 after passing through the first pinch valve 4 or the second pinch valve 5, and the flow is monitored. In the embodiment, the liquid flow sensor 8 is an external clamping ultrasonic flow sensor, which can monitor the flow without directly contacting the liquid. The liquid flow sensor 8 can monitor the flow in the pipeline and transmit data to the control system 6, so that the control system 6 can obtain the inflow and inflow through the flow data, and compare with the weighing device, so as to more accurately control the drainage and inflow operation, and improve the accuracy and reliability of the device.

[0035] Specifically, the support rod 101 is arranged at the lower end of the support frame 1, and the universal wheel 102 is arranged at the lower end of the support rod 101. The support rod 101 can support and elevate the support frame 1, and the universal wheel 102 makes the movement of the device more convenient and labor-saving, and improves the convenience of the device.

[0036] Specifically, the second hook 9 is arranged below the first hook 7. The first hook 7 suspends the inflow bag and the drainage bag on the device, and the second hook 9 is arranged below the first hook 7 to support the bottom of the inflow bag and the drainage bag, prevent them from falling, and reduce the shaking of the inflow bag and the drainage bag, thereby improving the weighing effect.

[0037] Specifically, the first hook 7 and the second hook 9 are connected through a telescopic mechanism 10, the telescopic mechanism 10 comprises a connecting straight rod 1001, a scissor folding parallel four-bar linkage 1002 and a spring 1003, the upper end of the connecting straight rod 1001 is connected with the lower end of the first weighing device 2 or the second weighing device 3, the upper end of the scissor folding parallel four-bar linkage 1002 is hinged with the lower end of the connecting straight rod 1001, the first hook 7 is arranged at the middle part of the scissor folding parallel four-bar linkage 1002, the second hook 9 is arranged at the bottom of the scissor folding parallel four-bar linkage 1002, the lower end of the spring 1003 is arranged at the connection between the first hook 7 and the scissor folding parallel four-bar linkage 1002, and the upper end of the spring 1003 is arranged at the top of the scissor folding parallel four-bar linkage 1002. When the medical staff hangs the infusion bag or the drainage bag, the first hook 7 is pulled down, the scissor folding parallel four-bar linkage 1002 is elongated, the distance between the first hook 7 and the second hook 9 is increased, and then the infusion bag or the drainage bag is more easily placed above the second hook 9; after the hanging is completed, the medical staff releases the first hook 7, the spring 1003 controls the scissor folding parallel four-bar linkage 1002 to contract, the distance between the second hook 9 and the first hook 7 is reduced, the bottom of the infusion bag or the drainage bag is automatically supported, and the operation of the device is more reliable and convenient.

[0038] Specifically, the second hook 9 is provided with two, the bottom of the telescopic unit at the lowermost end of the scissor folding parallel four-bar linkage 1002 is provided with a hook connecting rod 1004, both ends of the hook connecting rod 1004 are rotatably connected with the left side and the right side of the telescopic unit at the lowermost end of the scissor folding parallel four-bar linkage 1002 respectively, and two second hooks 9 are arranged at the left side connection and the right side connection of the hook connecting rod 1004 and the scissor folding parallel four-bar linkage 1002 respectively. By arranging two second hooks 9 on both sides of the hook connecting rod 1004, the distance between the two second hooks 9 is not affected during the telescopic process of the scissor folding parallel four-bar linkage 1002, so that the second hook 9 can reliably support the bottom of the infusion bag and the drainage bag, and the reliability of the device is improved.

[0039] Specifically, the hook connecting rod 1004 is provided with a locking mechanism 11 at the connection with the scissor folding parallel four-bar linkage 1002, the locking mechanism 11 includes a shell 1101, a one-way ratchet gear 1102, and a one-way ratchet ring 1103 matched with the one-way ratchet gear 1102, the one-way ratchet gear 1102 is fixedly connected with the bottom of the scissor folding parallel four-bar linkage 1002, the one-way ratchet gear 1102 is rotatably connected with the hook connecting rod 1004, the one-way ratchet ring 1103 is arranged as a semi-ring structure with the lower part open, and the one-way ratchet ring 1103 is fixedly connected with the upper end of the second hook 9. The device is provided with the locking mechanism 11, and the device is used for automatically adjusting the size of the infusion bag or the drainage bag according to the actual situation. Figures 3-4 The hook connecting rod 1004 is fixedly connected with the shell 1101, the second hook 9 can drive the one-way ratchet ring 1103 to move up and down in the shell 1101, thereby being disconnected or connected with the one-way ratchet gear 1102, when the scissor folding parallel four-bar linkage 1002 is elongated, the one-way ratchet gear 1102 on the left rotates clockwise, and the one-way ratchet gear 1102 on the right rotates counterclockwise, so that the one-way ratchet ring 1103 is lifted and does not mesh with the one-way ratchet gear 1102, thereby making the one-way ratchet ring 1103 not affect the elongation of the scissor folding parallel four-bar linkage 1002. When the scissor folding parallel four-bar linkage 1002 is contracted, the one-way ratchet ring 1103 is lifted and does not mesh with the one-way ratchet gear 1102 due to the elongation operation of the scissor folding parallel four-bar linkage 1002, and does not actively descend under the action of the friction force on both sides of the shell 1101, and does not affect the normal contraction of the scissor folding parallel four-bar linkage 1002. When the second hook 9 contacts the bottom of the infusion bag or the drainage bag, the second hook 9 is subjected to a downward pressure, thereby driving the one-way ratchet ring 1103 to mesh with the one-way ratchet gear 1102, and the scissor folding parallel four-bar linkage 1002 cannot continue to contract, and the effect of automatically adjusting the size of the infusion bag or the drainage bag can be achieved.

[0040] Specifically, the lower end of the support frame 1 is also provided with a plurality of first hooks 7, second hooks 9 and telescopic mechanisms 10 which are the same as the structures below the first weighing device 2 and the second weighing device 3. The additional infusion bag or drainage bag can be hung below the support frame 1, saving space.

[0041] Specifically, the support rod 101 is arranged in a telescopic rod structure, so that the device can be conveniently adjusted in height to adapt to different height requirements.

[0042] Embodiment 3

[0043] Referring to the accompanying drawings Figures 6-7The difference between the embodiment and the embodiments 1 and 2 is that the support frame 1 is arranged as a transfusion frame structure, the transfusion frame structure comprises a lifting rod 103, a base 104 and a pulley 105, the lower end of the lifting rod 103 is fixedly connected with the base 104, the lower end of the base 104 is provided with the pulley 105, the first weighing device 2, the second weighing device 3, the first pinch valve 4, the second pinch valve 5 and the control system 6 are all fixedly connected with an arc-shaped clamp 106 and detachably connected with the lifting rod 103 through the arc-shaped clamp 106. The device adjusts the installation position of the lifting rod 103 and the arc-shaped clamp 106 when the height of the infusion bag and the drainage bag needs to be adjusted, saves space and facilitates height adjustment.

[0044] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. The protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An automated rinser characterized by, The utility model provides a kind of liquid dispensing device, including support frame (1), first weighing device (2), second weighing device (3), first pinch valve (4), second pinch valve (5) and control system (6), the first weighing device (2) and the second weighing device (3) are fixedly connected with the support frame (1), the first pinch valve (4) and the second pinch valve (5) are arranged in the middle of the support frame (1), the first weighing device (2) and second weighing device (3) lower end are provided with first hook (7), the first weighing device (2), the second weighing device (3), the first pinch valve (4) and the second pinch valve (5) are signal connected with the control system (6).

2. An automated rinser as claimed in claim 1, wherein, The first pinch valve (4) and second pinch valve (5) are provided with liquid flow sensor (8), and the liquid flow sensor (8) is signal connected with the control system (6).

3. An automated rinser as claimed in claim 2, wherein, The lower end of the support frame (1) is provided with a support rod (101), and the lower end of the support rod (101) is provided with a universal wheel (102).

4. An automated washing machine according to claim 3, wherein The first hook (7) is provided below the second hook (9).

5. An automated washing machine according to claim 4, wherein The first hook (7) and the second hook (9) are connected by a telescopic mechanism (10), and the telescopic mechanism (10) includes a connecting straight rod (1001), a scissor folding parallel four-bar linkage (1002) and a spring (1003). The upper end of the connecting straight rod (1001) is connected to the lower end of the first weighing device (2) or the second weighing device (3). The upper end of the scissor folding parallel four-bar linkage (1002) is hinged to the lower end of the connecting straight rod (1001). The first hook (7) is arranged in the middle of the scissor folding parallel four-bar linkage (1002). The second hook (9) is arranged at the bottom of the scissor folding parallel four-bar linkage (1002). The lower end of the spring (1003) is arranged at the connection between the first hook (7) and the scissor folding parallel four-bar linkage (1002). The upper end of the spring (1003) is arranged at the top of the scissor folding parallel four-bar linkage (1002).

6. An automated washing machine according to claim 5, wherein The second hook (9) is provided with two, and the bottom of the telescopic unit at the lowermost end of the scissor folding parallel four-bar linkage (1002) is provided with a hook connecting rod (1004). The two ends of the hook connecting rod (1004) are rotatably connected to the left side and the right side of the telescopic unit at the lowermost end of the scissor folding parallel four-bar linkage (1002) respectively. The two second hooks (9) are arranged at the left side connection and the right side connection of the hook connecting rod (1004) and the scissor folding parallel four-bar linkage (1002) respectively.

7. An automated washing machine according to claim 6, wherein The connecting part of the hook connecting rod (1004) and the scissor folding parallel four-bar linkage (1002) is provided with a locking mechanism (11), the locking mechanism (11) comprises a shell (1101), a one-way ratchet gear (1102) and a one-way ratchet ring (1103) matched with the one-way ratchet gear (1102), the one-way ratchet gear (1102) is fixedly connected with the bottom of the scissor folding parallel four-bar linkage (1002), the one-way ratchet gear (1102) is rotatably connected with the hook connecting rod (1004), the one-way ratchet ring (1103) is arranged as a semi-ring structure with the lower part open, and the one-way ratchet ring (1103) is fixedly connected with the upper end of the second hook (9).

8. An automated washing machine according to claim 7, wherein The lower end of the support frame (1) is also provided with a plurality of first hooks (7), second hooks (9) and telescopic mechanisms (10) which are the same as the structures below the first weighing device (2) and the second weighing device (3).

9. An automated washing machine according to claim 8, wherein, The support rod (101) is arranged as a telescopic rod structure.

10. The automated rinser of claim 1, wherein, The support frame (1) is arranged as an infusion support structure, the infusion support structure comprises a lifting rod (103), a base (104) and a pulley (105), the lower end of the lifting rod (103) is fixedly connected with the base (104), the lower end of the base (104) is provided with the pulley (105), the first weighing device (2), the second weighing device (3), the first pipe clamp valve (4), the second pipe clamp valve (5) and the control system (6) are all fixedly connected with arc clamps (106) and are detachably connected with the lifting rod (103) through the arc clamps (106). The connecting part of the hook connecting rod (1004) and the scissor folding parallel four-bar linkage (1002) is provided with a locking mechanism (11), the locking mechanism (11) comprises a shell (1101), a one-way ratchet gear (1102) and a one-way ratchet ring (1103) matched with the one-way ratchet gear (1102), the one-way ratchet gear (1102) is fixedly connected with the bottom of the scissor folding parallel four-bar linkage (1002), the one-way ratchet gear (1102) is rotatably connected with the hook connecting rod (1004), the one-way ratchet ring (1103) is arranged as a semi-ring structure with the lower part open, and the one-way ratchet ring (1103) is fixedly connected with the upper end of the second hook (9).

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