CN216908631U

CN216908631U - Quick refrigerating fluid filling and taking device

Info

Publication number: CN216908631U
Application number: CN202121259234.XU
Authority: CN
Inventors: 陆军; 陈伟
Original assignee: Accu Target Medipharma Shanghai Co ltd
Current assignee: Accu Target Medipharma Shanghai Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-07-08
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a quick refrigerating fluid filling and taking device, which comprises: a fixed mount; the filling container is arranged on the fixing frame, is sealed and is provided with a liquid inlet and a liquid outlet; the piston disc is arranged in the irrigation container and is connected to the inner wall of the irrigation container in a sliding and sealing mode; and the driving assembly is connected with the piston disc and is used for driving the piston disc to move towards or away from the liquid inlet and outlet. The device can fill and extract the refrigerating fluid efficiently and quickly, and the filling and taking process is very safe and reliable.

Description

Quick refrigerating fluid filling and taking device

Technical Field

The utility model belongs to the technical field of refrigerant liquid extraction, and particularly relates to a rapid refrigerant liquid filling and extracting device.

Background

The cryo-tumor therapeutic system is a new generation of medical equipment cryo-therapeutic principle of minimally invasive ultra-low temperature cryoablation tumor, and mainly aims to rapidly form ice crystals in and out cells after temperature reduction, so that tumor cells are dehydrated and cracked. Therefore, the transmission medium for low-temperature refrigeration in the equipment is a core technology, and the transmission medium for high-efficiency refrigeration is a special formula of refrigerating fluid and is filled in a container pipeline in the equipment.

The refrigerant fluid has special physical characteristics of easy volatilization, flammability and explosiveness, so that the filling operation has certain dangerousness and needs careful and careful operation. The existing operation method is that a siphon introducing mode is utilized, refrigerating fluid in a container measuring cup is naturally sucked into an equipment container through a guide pipe, and the filling time is about 90-100 minutes in the whole process.

Because the existing filling mode can expose the refrigerant liquid in the air, the effective substance components in the refrigerant liquid are easy to volatilize, the purity of the refrigerant liquid is also reduced, the performance is greatly reduced, in addition, the refrigerant liquid is inflammable and explosive, the operation process is required to be careful, the whole process is required to monitor the environment, no fire hazard exists, no dust pollution exists, and the whole filling process is complicated, time-consuming, labor-consuming and unsafe.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a device for rapidly filling and extracting a refrigerant fluid, which can efficiently and rapidly fill and extract the refrigerant fluid, and the filling and extracting processes are very safe and reliable.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a quick refrigerating fluid filling device comprises:

a fixed mount;

the filling container is arranged on the fixing frame, is sealed and is provided with a liquid inlet and a liquid outlet;

the piston disc is arranged in the irrigation container and is connected to the inner wall of the irrigation container in a sliding and sealing mode;

and the driving assembly is connected with the piston disc and is used for driving the piston disc to move towards or away from the liquid inlet and outlet.

According to an embodiment of the present invention, the driving assembly includes a driving screw and a driving portion, one end of the driving screw is located in the irrigation container and connected to the piston disc, the other end of the driving screw extends out of the irrigation container and is connected to the driving portion, and the driving screw is in threaded connection with the irrigation container;

the driving portion drives the driving screw to rotate, and the driving screw rotates to axially move relative to the irrigation container, so that the piston disc is driven to move towards or away from the liquid inlet and outlet.

According to an embodiment of the present invention, the irrigation container has a first end and a second end which are oppositely arranged, the first end is provided with a sealing cover, and the second end is provided with the liquid inlet and outlet; the driving screw rod penetrates through and is in threaded connection with the sealing cover.

According to an embodiment of the present invention, the driving portion is a rocker.

According to an embodiment of the utility model, the liquid inlet and outlet is provided with a stop valve.

According to an embodiment of the utility model, the liquid inlet and outlet are provided with hoses.

According to an embodiment of the utility model, the outer wall of the circumference of the piston disc is provided with a double-layer silica gel sealing ring, and the piston disc is connected to the inner wall of the irrigation container in a sliding sealing manner through the silica gel sealing ring.

According to an embodiment of the present invention, the fixing frame is an "a" shaped frame.

According to an embodiment of the present invention, the bottom of the fixing frame is provided with a plurality of sliding wheels with locking function.

According to an embodiment of the utility model, the outer wall of the irrigation container is provided with a fixing ear support, and one end of the fixing frame is fixedly connected with the fixing ear support.

According to an embodiment of the utility model, the irrigation container is provided with a scale.

According to an embodiment of the present invention, one end of the irrigation container near the liquid inlet and outlet is gradually contracted toward one side of the liquid inlet and outlet.

According to an embodiment of the present invention, one end of the irrigation container near the liquid inlet/outlet is provided with a V-shaped slope surface at 120 degrees.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following advantages and positive effects:

(1) in the embodiment of the utility model, the driving assembly drives the piston disc to move towards or away from the liquid inlet and outlet, so that the operation of filling or extracting the refrigerant liquid can be realized, and the whole process is very efficient and rapid. And the filling container is sealed, so that the refrigerating fluid cannot volatilize, and the filling container is very safe and reliable.

(2) The driving assembly comprises the driving screw rod and the driving part, and the driving screw rod drives the piston disc to move, so that the whole device is simpler and more practical.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

FIG. 1 is a front view of a rapid refrigerant fluid charging device according to the present invention;

FIG. 2 is a side view of a device for rapid charging of refrigerant fluid according to the present invention;

FIG. 3 is a partial schematic view of a rapid refrigerant fluid filling device according to the present invention;

FIG. 4 is a partial schematic view of a second embodiment of a rapid refrigerant fluid filling apparatus according to the present invention;

FIG. 5 is a schematic view of the filling/extracting state of the rapid refrigerant fluid filling device according to the present invention;

FIG. 6 is a schematic view of a portion of the top reserved air when the rapid refrigerant fluid filling device of the present invention fills with refrigerant fluid;

fig. 7 is a schematic view of the refrigerant liquid remaining at the bottom of the device for rapidly filling and taking the refrigerant liquid according to the present invention.

Description of reference numerals:

1: an "A" shaped frame; 2: filling and taking the container; 3: a piston disc; 4: a drive screw; 5: a sealing cover; 6: a stop valve; 7: a rocker; 8: a liquid inlet and outlet; 9: a hose; 10: a sliding wheel; 11: fixing the ear support; 12: and (4) calibration.

Detailed Description

The utility model is described in further detail below with reference to the figures and the specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise ratio for the purpose of facilitating and distinctly aiding in the description of the embodiments of the utility model.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1 to 7, the core of the present invention is to provide a rapid refrigerant fluid infusion device, which comprises a fixed frame, an infusion container 2, a piston disc 3 and a driving assembly. The irrigation container 2 is arranged on the fixed frame, the irrigation container 2 is sealed and is provided with a liquid inlet and outlet 8; the piston disc 3 is arranged in the irrigation container 2 and is connected with the inner wall of the irrigation container in a sliding and sealing way; a drive assembly is connected to the piston disc 3 for driving the piston disc 3 towards or away from the liquid inlet/outlet port 8.

The piston disc 3 is driven by the driving assembly to move towards or away from the liquid inlet and outlet 8, so that the operation of filling or extracting the refrigerating liquid can be realized, and the whole process is very efficient and rapid. And the filling container is sealed, so that the refrigerating fluid cannot volatilize, and the filling container is very safe and reliable.

The following describes the refrigerant fluid quick filling device of the present invention in detail:

the mount is "A" shape frame 1 in this embodiment, and "A" shape frame 1 bottom is equipped with a plurality of movable pulleys 10 of taking locking function, and movable pulley 10 is equipped with 4 and is the universal wheel in this embodiment, and movable pulley 10 can realize the quick travel, and the lockable location prevents to take place the displacement and influences work when removing to target in place.

The A-shaped structure is a mature and common framework, the combination is simple, the firmness and the stability are realized, the bearing capacity is strong, the processing cost is low, the height of the A-shaped frame 1 can be flexibly adjusted according to the height of equipment, the design height of the A-shaped frame 1 in the embodiment is 1500cm, and the A-shaped frame is in the best golden ratio compared with the height of an adult, so that the operation is smooth and easy, and the operation is not labored.

The upper end of the A-shaped frame 1 is provided with a pouring container 2, specifically, the outer walls of two sides of the pouring container 2 are respectively provided with a fixed ear support 11, and the upper end of the A-shaped frame 1 is fixedly connected with the two fixed ear supports 11.

The filling container 2 is a barrel-shaped transparent plastic steel container, and plastic steel is a transparent plastic material with no color, no taste, corrosion resistance, excellent hardness and strength, and has strong plasticity, good toughness and light weight.

The volume and the size of the filling container 2 can be flexibly selected according to practical conditions, and the volume is 3.5L, the diameter is 15cm, and the height is 30cm in the embodiment. The filling container 2 is marked with scales 12, so that the capacity of the refrigerant liquid can be conveniently and accurately observed. The irrigation container 2 has a first end and a second end which are oppositely arranged, the first end of the irrigation container 2 is provided with a sealing cover 5 for sealing, and the sealing cover 5 is in threaded connection with the first end of the irrigation container 2. The central point of the second end of the filling container 2 is provided with a tubular liquid inlet and outlet 8, the liquid inlet and outlet 8 is used for the inlet and outlet of the refrigerant liquid, the liquid inlet and outlet 8 is also provided with a stop valve 6 and used for the flow cutoff when the refrigerant liquid is filled and extracted to prevent leakage, the end of the liquid inlet and outlet 8 at the outlet of the stop valve 6 is also provided with a hose 9 with the length of 0.5m, and the hose 9 is made of silica gel.

The second end of the filling container 2 is gradually contracted towards the liquid inlet and outlet 8, and the function of gathering the refrigerant liquid is achieved. Specifically, the second end of the irrigation container 2 is provided with a 120-degree upward V-shaped slope.

Be equipped with piston dish 3 in the container of getting 2, it is concrete, 3 circumference outer walls of piston dish are equipped with double-deck silica gel sealing washer, and piston dish 3 passes through silica gel sealing washer sliding seal and connects in the inner wall of the container of getting 2 of getting, and piston dish 3 will get 2 partitions into an inclosed chamber of getting, and refrigerating fluid and outside air keep apart, and is dustproof, fire prevention, anti-pollution, effectively stop volatilizing and the blasting of refrigerating fluid.

The drive assembly comprises a drive screw rod 4 and a drive part, one end of the drive screw rod 4 is positioned in the irrigation container 2 and is connected with the piston disc 3, the other end of the drive screw rod extends out of the irrigation container 2 and is connected with the drive part, and the drive screw rod 4 is in threaded connection with the irrigation container 2. The drive section drives the drive screw 4 to rotate, and the drive screw 4 rotates to realize axial movement relative to the filling container 2, so as to drive the piston disc 3 to move towards or away from the liquid inlet/outlet 8.

Specifically, drive screw 4 wears to establish and threaded connection on the nut that sealed lid 5 upper center point set up, and drive screw 4's lower extreme stretches into and irritates in getting container 2 and link firmly with piston dish 3, and drive screw 4 diameter is 2cm in this embodiment. The upper end of the driving screw rod 4 extends out of the filling container 2 and is provided with a driving part for driving the filling container to rotate, the driving part is a Z-shaped rocker 7 in the embodiment, and the rocker 7 is arranged in an anti-skidding way.

The rocker 7 rotates clockwise, and the piston disc 3 can be driven to descend by the driving screw rod 4, so that the refrigerant liquid in the filling container 2 is discharged from the liquid inlet and outlet 8. The rocker 7 rotates anticlockwise and can drive the piston disc 3 to ascend through the driving screw rod 4 so as to suck external refrigerant liquid through the liquid inlet and outlet 8.

Of course, the device is not limited to the type of the driving component, and the driving component can also be a telescopic rod and the like. And when the driving assembly adopts the driving screw rod 4 and the rocker 7 in the embodiment, the device is simpler and more practical.

The working process of the present invention is further explained as follows:

the device for quickly filling and taking the refrigerant liquid is suitable for filling and taking the refrigerant liquid of minimally invasive ultralow-temperature cryoablation tumor medical equipment.

The working process when the refrigerant fluid is poured is explained as follows:

1. before use, the device is checked, the sealing cover 5 at the top of the filling container 2 is rotated to be opened, the sealing cover, the piston disc 3 and the driving screw rod 4 are taken down together, the stop valve 6 at the lower part of the filling container 2 is opened, whether the refrigerant liquid used last time is remained in the filling container 2 or not is checked, and if the refrigerant liquid is remained in the filling container 2, the refrigerant liquid is discharged and cleaned.

2. The device is pushed right above the equipment, the sliding wheel 10 is locked to prevent the A-shaped frame 1 from drifting, the hose 9 is inserted into the filling opening of the equipment to be filled with the refrigerant liquid, and the stop valve 6 is closed.

3. And pouring 3000ml of a certain amount of refrigerant into the filling container 2, and observing and judging whether the amount of the poured refrigerant is accurate or not through the scale 12 on the filling container 2. When the refrigerant liquid is filled, about 0.3 liter of air is reserved in the upper part of the filling container 2 (see fig. 6). This volume is the same as the volume of refrigerant remaining at the "V" ramp face when the primed piston disc 3 is advanced to the bottom (see fig. 7).

4. The piston disc 3 is adjusted to the appropriate relative distance from the sealing cap 5, the piston disc 3 is loaded into the container 2 and the top sealing cap 5 is screwed down again clockwise.

5. The shut-off valve 6 is opened to allow the hose 9 to be connected to the inside of the irrigation container 2. The rocker 7 at the top is held by hand, the rocker 7 is rotated clockwise at a constant speed, the driving screw rod 4 drives the piston disc 3 to slowly descend, downward propelling pressure is generated in the filling container 2, the refrigerant is quickly injected into the equipment through the hose 9, and the faster the rotating speed is, the faster the filling speed is.

6. When the piston disc 3 is pushed to the bottom of the filling container 2 and the rocker 7 can not rotate, the stop valve 6 is closed, the hose 9 is taken out of the device, the liquid inlet and outlet 8 is sealed by the sealing screw cap, and filling is finished.

The whole process is simple, convenient, efficient, quick, safe and reliable, and the time for one-time perfusion is 15-20 minutes, which is 3 times faster than the time for the previous method.

The working process when pumping the refrigerant fluid is explained as follows:

1. before use, the device is checked, the sealing cover 5 at the top of the filling container 2 is rotated to be opened and taken down together with the piston disc 3 and the driving screw rod 4, the stop valve 6 at the lower part of the filling container 2 is opened, whether the refrigerant liquid used last time is remained in the filling container 2 is checked, and if the refrigerant liquid is remained in the filling container 2, the refrigerant liquid is discharged and cleaned.

2. The stop valve 6 is opened to communicate with the hose 9, the sealing cap 5 on the top of the filling container 2 is fitted and screwed, and the piston disc 3 is pushed to the bottom of the filling container 2.

3. The device is pushed right above the equipment, the sliding wheels 10 are locked to prevent the A-shaped frame 1 from drifting, and the hose 9 is inserted into the injection port of the equipment.

4. The rocker 7 at the top is held by hand, the rocker 7 rotates anticlockwise at a constant speed, the driving screw rod 4 drives the piston disc 3 to slowly rise, negative pressure vacuum suction is generated in the filling container 2, waste refrigerant is sucked out of the filling container 2 through the hose 9, and the faster the waste refrigerant is shaken, the faster the waste refrigerant is extracted.

5. And stopping rotating the rocker 7, closing the stop valve 6 and taking out the hose 9, and finishing one extraction work. And discharging and collecting the waste refrigerating fluid in the filling container 2.

6. Respectively extracting the refrigerating fluid for 3-4 times until the waste refrigerating fluid is completely extracted, and inserting the hoses 9 into different depths of equipment by adopting hoses 9 with different lengths every time. Because the refrigerant fluid is formulated, the refrigerant fluid will precipitate and stratify after the device is left for a period of time after use as the time of use progresses. Therefore, the hoses 9 with different lengths are inserted into different depths to extract the refrigerant liquid in different layers, so that the subsequent data analysis is facilitated, and the further research and improvement of the refrigerant liquid formula in the future are facilitated. The transparent shell of the equipment can better observe the color and concentration change of the waste refrigerating fluid, and is convenient to collect and store.

According to the working process, the device is always in a sealing state in the process of filling and extracting the refrigerating fluid, so that the refrigerating fluid cannot be exposed in the air and cannot volatilize, and compared with the existing manual guide pipe filling mode, the device is safer and more reliable. And this device drives piston disc 3 through drive screw 4 and rocker 7 and removes and realize filling and the extraction for it is convenient more quick when filling with the extraction refrigerant liquid, and rocker 7 passes through manual control, makes the speed of filling with the extraction refrigerant liquid controllable, prevents that the accident from appearing.

The device for quickly filling and taking the refrigerant liquid is practical and simple in design concept, free of electricity consumption and energy consumption, environment-friendly, efficient and quick in performance, safe and reliable, dual-purpose, and very practical, and is a matched auxiliary tool, so that the working efficiency is improved, and the device brings great value to future equipment volume production.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.

Claims

1. The utility model provides a device is got to quick filling of refrigerating fluid which characterized in that includes:

a fixed mount;

2. The quick refrigerant fluid charging device as defined in claim 1, wherein said driving assembly includes a driving screw and a driving portion, one end of said driving screw is located in said charging container and connected to said piston disc, the other end of said driving screw extends out of said charging container and is connected to said driving portion, and said driving screw is threadedly connected to said charging container;

the driving portion drives the driving screw to rotate, and the driving screw rotates to axially move relative to the filling container, so that the piston disc is driven to move towards or away from the liquid inlet and outlet.

3. A rapid refrigerant fluid charging device as recited in claim 2 wherein said charging container has a first end and a second end disposed opposite to each other, said first end having a sealing cap thereon and said second end having said fluid inlet and outlet; the driving screw rod penetrates through and is in threaded connection with the sealing cover.

4. The quick refrigerant fluid charging device as claimed in claim 2, wherein said driving part is a rocker.

5. The device for rapidly charging refrigerant liquid as claimed in claim 1, wherein the liquid inlet and outlet is provided with a stop valve.

6. The quick refrigerant fluid charging device as claimed in claim 1, wherein said fluid inlet and outlet are provided with flexible tubes.

7. The quick refrigerant fluid filling device as claimed in claim 1, wherein the piston disc is provided with a double-layered silica gel sealing ring on the outer circumferential wall thereof, and the piston disc is slidably and sealingly connected to the inner wall of the filling container through the silica gel sealing ring.

8. The quick coolant fluid dispensing apparatus as claimed in claim 1, wherein said holder is an "a" shaped holder.

9. The device as claimed in claim 1, wherein a plurality of sliding wheels with locking function are provided at the bottom of the fixing frame.

10. The quick refrigerant fluid charging device as claimed in claim 1, wherein said charging container is provided with a fixing lug on an outer wall thereof, and one end of said fixing frame is fixedly connected to said fixing lug.

11. A rapid refrigerant fluid charging device as defined in claim 1 wherein said charging container is graduated.

12. The quick coolant fluid dispensing apparatus as claimed in claim 1, wherein said dispensing container is tapered toward said fluid inlet and outlet at an end thereof adjacent to said fluid inlet and outlet.

13. The quick coolant fluid pouring device as claimed in claim 12, wherein the end of the pouring container near the fluid inlet and outlet is formed with a V-shaped slope of 120 degrees.