CN107308521B - Liquid flow rate adjusting device for nursing - Google Patents
Liquid flow rate adjusting device for nursing Download PDFInfo
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- CN107308521B CN107308521B CN201710703511.3A CN201710703511A CN107308521B CN 107308521 B CN107308521 B CN 107308521B CN 201710703511 A CN201710703511 A CN 201710703511A CN 107308521 B CN107308521 B CN 107308521B
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- adjusting
- ring
- wall
- adjusting device
- limiting
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- Expired - Fee Related
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a liquid flow rate adjusting device for nursing, which comprises a transfusion tube and a side adjusting device; a side branch pipe is arranged on the side surface of the infusion tube, a fixed bottom ring is arranged at the tail end of the side branch pipe, external threads are arranged on the outer wall of the fixed bottom ring, and an accommodating groove is formed in the inner wall of the infusion tube, which is far away from one side of the side branch pipe; the side adjusting device comprises an upper limiting piece, a speed adjusting inserted bar, an adjusting backing ring, an adjusting bolt and a compression spring; the liquid flow velocity adjusting device for nursing disclosed by the invention is reasonable in structure, convenient for batch production and convenient and simple to assemble; the infusion rate can be adjusted under normal conditions; the rapid drug delivery can be carried out rapidly in an emergency state, the pressing damping of the speed-regulating inserted rod can be further regulated, and the rapid drug delivery function can be further closed; furthermore, the delayed alarm can be used for avoiding the phenomenon of excessive medicine caused by the long-time rapid administration.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a liquid flow rate adjusting device for nursing.
Background
In clinical care work, patients need to be infused, and the infusion rate requirements of different medicines are different. The common medicine needs to be slowly delivered, while the medicines such as mannitol and the like need to be delivered at a speed corresponding to the block, and the common infusion device can realize the requirements.
However, in some emergency situations, instantaneous and rapid administration of drugs is required, such as blood transfusion during heavy bleeding of patients during surgery, part of drugs delivered in rescue rooms, or even pain relievers delivered by patients after surgery, etc. Taking the pain killer as an example, the prior art often delivers the pain killer slowly through the pain killer pump to give weak pain-killing effect to the patient, however, when the pain of the patient is hard to endure, the pain killer pump needs to deliver the pain quickly, the pain killer pump of the prior art can extrude the drug, but the prior pain killer pump has the following problems: firstly, the structure is complex, and the manufacturing cost is high; secondly, the damping of the extruded medicine cannot be adjusted, and some patients cannot successfully press due to weakness; thirdly, the patient turns over and just squeezes the pain relieving pump, so that the long-time quick administration causes danger.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a liquid flow rate adjusting device for nursing, which has a reasonable structure, is convenient for batch production and is convenient and simple to assemble; the infusion rate can be adjusted under normal conditions; the rapid drug delivery can be carried out rapidly in an emergency state, the pressing damping of the speed-regulating inserted rod can be further regulated, and the rapid drug delivery function can be further closed; furthermore, the delayed alarm can be used for avoiding the phenomenon of excessive medicine caused by the long-time rapid administration.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a liquid flow rate adjusting device for nursing comprises a transfusion tube and a side adjusting device;
a side branch pipe is arranged on the side surface of the infusion tube, a fixed bottom ring is arranged at the tail end of the side branch pipe, external threads are arranged on the outer wall of the fixed bottom ring, an accommodating groove is arranged on the inner wall of the infusion tube, which is far away from one side of the side branch pipe, and the inner wall of the side branch pipe and the inner wall of the accommodating groove are both circular and provided with a pair of chordal notches;
the side-mounted adjusting device comprises:
the upper limiting piece comprises an internal threaded pipe in threaded connection with the fixed bottom ring, a limiting circular ring arranged on the inner edge of the upper end of the internal threaded pipe, and an operating through hole arranged above the side wall of the internal threaded pipe;
the speed regulation inserted bar comprises a cylindrical bar body, a slide way which penetrates through the bar body along the axial direction, a limit slot which is arranged at one side of the inner wall of the slide way and is provided with an opening at the upper end, a thread lifting bar which is inserted in the slide way in a sliding way, a limit plug which is arranged at one side of the thread lifting bar and is inserted in the limit slot, an adjusting through hole which is arranged at the lower end of the thread lifting bar, an operation ring which is arranged at the upper end of the bar body, a rotating circular groove which is arranged in the operation ring, a notch which is arranged at one side of the operation ring, a lifting nut which is rotatably arranged in the rotating circular groove and is in threaded fit with the thread lifting bar, and a limit bolt which is circumferentially and uniformly distributed above the outer wall of the bar body, wherein the upper end surface of the operation ring is detachably connected through a fixing screw, the, the cross section of the threaded lifting rod is in a circular shape with a pair of chord cutting gaps matched with the side branch pipe and the inner wall of the accommodating groove, and the limiting bolt is clamped below the limiting circular ring;
the threaded lifting rod is not circular, but is in a chord cutting circle shape matched with the side branch pipe and the accommodating groove, so that the threaded lifting rod can only lift in the side branch pipe but cannot rotate; meanwhile, the arc part of the outer wall of the threaded lifting rod is still in threaded connection with the lifting nut.
The adjusting backing ring is arranged in the upper limiting piece and sleeved on the rod body;
at least three adjusting bolts are arranged, the adjusting bolts are uniformly distributed on the fixed bottom ring in the circumferential direction, and the upper ends of the adjusting bolts are abutted to the adjusting backing ring;
and the compression spring is sleeved on the rod body, the lower end of the compression spring is abutted against the adjusting backing ring, and the upper end of the compression spring is abutted against the limiting bolt.
Furthermore, the limiting bolt is an inner hexagon nut.
Thanks to the improved structure, the limit bolt can be conveniently screwed on the rod body through the operation through hole.
Further, the lower half part of the thread lifting rod is formed into a polished rod.
Thanks to the improved structure, the thread lifting rod is tightly attached to the wall of the side branch pipe, and sealing is realized.
Still further, can also set up sealed pad at the collateral branch pipe, holding tank inner wall, further strengthen sealed effect.
Furthermore, a time delay alarm is arranged at the lower end of the rod body, and the time delay alarm is in contact with the fixed bottom ring through a trigger device positioned below the time delay alarm so as to trigger time delay alarm. The time delay alarm is in the prior art and has a plurality of implementation methods.
As a more common implementation method, the time delay alarm includes a touch switch located below, a time delay control device electrically connected to the touch switch, a buzzer electrically connected to the time delay control device, and a rechargeable power supply.
The invention has the beneficial effects that:
the liquid flow velocity adjusting device is reasonable in structure, convenient for batch production and convenient and simple to assemble.
According to the liquid flow velocity adjusting device, the lifting nut is rotated to drive the threaded lifting rod to lift in a normal state, so that the communication part of the adjusting through hole and the infusion tube is adjusted, and the infusion rate is finally adjusted.
The liquid flow rate adjusting device can also rapidly and rapidly administer the medicine:
when the thread lifting rod is inserted into the bottom of the accommodating groove, the adjusting through hole is completely communicated with the tube cavity of the infusion tube, the flow rate is maximum, and the rapid drug delivery is realized.
Furthermore, the liquid flow rate adjusting device of the invention can also adjust the pressing damping of the speed-adjusting inserted rod:
and sequentially rotating the adjusting bolt to adjust the position of the adjusting backing ring, further adjusting the compression amount of the compression spring in a normal state, adjusting the elasticity of the compression spring in the normal state, and further adjusting the damping when the speed-adjusting inserted rod is pressed.
Further, the liquid flow rate regulating device of the present invention may also turn off the rapid drug delivery function:
the adjusting bolt is rotated to enable the adjusting bolt to move upwards until the compression spring is compressed to the shortest stroke, and the compression spring and the adjusting backing ring limit the limiting bolt, so that the speed-adjusting inserted bar cannot be pressed quickly to quickly administer medicine.
Further, according to the liquid flow rate adjusting device, the lower end of the rod body is provided with the time delay alarm, the time delay alarm descends along with the speed adjusting inserted rod and abuts against the fixed bottom ring, and time delay alarm is carried out according to preset time. Can avoid the drug overdose caused by the long-time rapid drug administration.
The rapid drug delivery function described above is particularly useful for delivering emergency drugs, which may be used to rescue a patient's life; furthermore, the rapid administration function is also suitable for the infusion of the analgesic of the postoperative patient, namely, a trace amount of the analgesic is infused under the normal state, and the patient can rapidly administer the analgesic when feeling hard to endure, so as to relieve the pain.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a normal cross-sectional view of the liquid flow rate regulating device.
Fig. 2 is a normal cross-sectional view of the liquid flow rate regulating device.
Fig. 3 is a sectional view of the liquid flow rate regulating device in a state of rapid administration.
FIG. 4 is a cross-sectional view of one embodiment of the speed adjustment plunger.
FIG. 5 is a top view of one embodiment of the speed adjustment plunger.
Fig. 6 is a sectional view taken along line a-a of fig. 1.
In the figure:
1. a transfusion tube;
11. a side branch;
12. fixing the bottom ring;
13. accommodating grooves;
2. a side adjusting device;
21. an upper limiting piece, 21a an internal threaded pipe, 21b a limiting ring and 21c an operation through hole;
22. the speed-regulating device comprises a speed-regulating inserted rod, a rod body, a slide rail, a limiting slot, a threaded lifting rod, a limiting plug, a regulating through hole, an operating ring, a fixing screw, a rotating circular groove, a notch, a lifting nut, a limiting bolt and a time-delay alarm, wherein the rod body is 22a, the sliding rail is 22b, the limiting slot is 22c, the threaded lifting rod is 22d, the limiting plug is 22e, the regulating through hole is 22f, the operating circular ring is 22g, the fixing screw is 22g-1, the rotating circular groove is;
23. adjusting the backing ring;
24. adjusting the bolt;
25. compressing the spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A nursing liquid flow rate adjusting device comprises an infusion tube 1 and a side adjusting device 2;
a side branch 11 is arranged on the side surface of the infusion tube 1, a fixed bottom ring 12 is arranged at the tail end of the side branch 11, external threads are arranged on the outer wall of the fixed bottom ring 12, an accommodating groove 13 is arranged on the inner wall of the infusion tube 1, which is far away from one side of the side branch 11, and the inner wall of the side branch 11 and the inner wall of the accommodating groove 13 are both circular and provided with a pair of chordal notches;
the side-mounted adjusting device 2 comprises:
the upper limiting piece 21 comprises an internal threaded pipe 21a screwed with the fixed bottom ring, a limiting ring 21b arranged on the inner edge of the upper end of the internal threaded pipe 21a and an operation through hole 21c arranged above the side wall of the internal threaded pipe 21 a;
the speed regulation inserted bar 22 comprises a cylindrical bar body 22a, a slide way 22b penetrating through the bar body 22a along the axial direction, a limit slot 22c arranged at one side of the inner wall of the slide way 22b and provided with an opening at the upper end, a thread lifting bar 22d inserted in the slide way 22b in a sliding way, a limit plug 22e arranged at one side of the thread lifting bar 22d and inserted in the limit slot 22c, an adjusting through hole 22f arranged at the lower end of the thread lifting bar 22d, an operation ring 22g arranged at the upper end of the bar body 22a, a rotating circular groove 22h arranged in the operation ring 22g, a notch 22i arranged at one side of the operation ring 22g, a lifting nut 22j rotatably arranged in the rotating circular groove 22h and matched with the thread lifting bar 22d in a threaded manner, and limit bolts 22k uniformly distributed above the outer wall of the bar body 22a in the circumferential direction, wherein the upper end surface of the operation ring 22g is detachably connected through a fixing screw 22g-, the rod body 22a is inserted into the limiting circular ring 21b, the thread lifting rod 22d is inserted into the infusion tube 1 through the side branch tube 11, the cross section of the thread lifting rod 22d is in a circular shape with a pair of chord cut gaps matched with the inner walls of the side branch tube 11 and the accommodating groove 13, and the limiting bolt 22k is clamped below the limiting circular ring 21 b;
since the threaded lifting rod 22d is not circular, but has a chord-cut circular shape matching with the side branch 11 and the accommodating groove 13, it can only lift and fall but can not rotate in the side branch 11; meanwhile, the arc portion of the outer wall of the threaded lifting rod 22d is still in threaded engagement with the lifting nut 22j.
The adjusting backing ring 23 is arranged in the upper limiting piece 21 and sleeved on the rod body 22 a;
at least three adjusting bolts 24 are arranged, the adjusting bolts 24 are uniformly distributed on the fixed bottom ring 12 in the circumferential direction, and the upper ends of the adjusting bolts 24 are abutted to the adjusting backing ring 23;
and the compression spring 25 is sleeved on the rod body 22a, the lower end of the compression spring is abutted with the adjusting backing ring 23, and the upper end of the compression spring is abutted with the limiting bolt 22k.
Further, the limiting bolt 22k is an inner hexagon nut.
Thanks to the above improved structure, the limit bolt 22k can be easily screwed to the rod body 22a through the operation through hole 21c.
Further, the lower half portion of the screw lifting rod 22d is formed into a polish rod.
Thanks to the improved structure, the threaded lifting rod 22d is tightly attached to the pipe wall of the side branch pipe 11, and sealing is achieved.
Still further, a gasket may be provided on the inner walls of the side branch 11 and the housing groove 13 to further enhance the sealing effect.
Further, a time delay alarm 22l is arranged at the lower end of the rod body 22a, and the time delay alarm 22l is in contact with the fixed bottom ring 12 through a trigger device positioned below the time delay alarm 22l so as to trigger time delay alarm. The delay alarm 22l is the prior art and has a plurality of implementation methods.
As a more common implementation method, the delay alarm 22l includes a touch switch located below, a delay control device electrically connected to the touch switch, a buzzer electrically connected to the delay control device, and a rechargeable power supply.
The specific use method comprises the following steps:
the liquid flow rate adjusting device comprises the following steps:
step 1.1, assembling a speed-regulating inserted rod 22:
the fixing screw 22g-1 is disassembled to further disassemble the upper end face of the operating ring 22 g;
then inserting the threaded lifting rod 22d into the slideway 22b to enable the limit plug 22e to be in inserting fit with the limit slot 22c, then screwing the lifting nut 22j onto the threaded lifting rod 22d, adjusting the lifting nut 22j to be located in the rotating groove 22h, and exposing the side edge of the lifting nut 22j from the notch 22 i;
resetting the upper end face of the operating ring 22g and fixing by the fixing screw 22 g-1;
inserting the rod body 22a into the limiting ring 21b, positioning the operating ring 22g above the limiting ring 21b, screwing the limiting bolt 22k on the outer wall of the rod body 22a through the operating through hole 21c, rotating the rod body 22a and arranging at least three limiting bolts 22 k;
step 1.2, placing the adjusting bolt 24, the adjusting backing ring 23 and the compression spring 25:
the adjusting bolt 24 is screwed on the fixed bottom ring 12 in sequence;
then placing the adjusting backing ring 23 on the adjusting bolt 24, and placing the compression spring 25 on the adjusting backing ring 23;
step 1.3, assembling the upper limiting piece 21:
moving the upper limiting member 21 from top to bottom, so that the rod body 22a is sequentially inserted into the compression spring 25 and the adjusting backing ring 23, and the threaded lifting rod 22d is inserted into the side branch 11;
continuing to move the upper stopper 21 downward so that the internally threaded tube 21a is screwed into the fixed bottom ring 12;
one end of the infusion tube 1 is connected with a patient, the other end of the infusion tube 1 is connected with an infusion device, and liquid is conveyed to the patient through the adjusting through hole 22 f;
and step 3, flow rate regulation:
the lifting nut 22j is rotated in a normal state, the threaded lifting rod 22d is driven to step, and the communication part between the adjusting through hole 22f and the infusion tube 1 is adjusted, so that the flow rate is adjusted;
step 4, rapid administration:
when rapid administration is needed, the speed-regulating inserted link 22 is pressed, so that the speed-regulating inserted link 22 overcomes the acting force of the compression spring 25 to rapidly descend, the threaded lifting link 22d is driven to rapidly descend, the communication part between the regulating through hole 22f and the infusion tube 1 is rapidly increased, and the flow rate is rapidly increased;
when the threaded lifting rod 22d is inserted into the bottom of the accommodating groove 13, the adjusting through hole 22f is completely communicated with the lumen of the infusion tube 1.
Further, the method also comprises a step 5 of pressing a damping adjustment:
the adjusting bolt 24 is sequentially rotated to adjust the position of the adjusting backing ring 23, so as to adjust the compression amount of the compression spring 25 in a normal state, adjust the elasticity of the compression spring 25 in the normal state, and further adjust the damping when the speed-adjusting inserted rod 22 is pressed.
Further, step 6 is included, the rapid drug delivery function is closed:
the adjusting bolt 24 is rotated to move upwards until the compression spring 25 is compressed to the shortest stroke, and the compression spring 25 and the adjusting backing ring 23 limit the limiting bolt 22k, so that the speed-adjusting inserted bar 22 cannot be pressed quickly to quickly administer medicine.
Still further, a delay alarm 22l is arranged at the lower end of the rod body 22a, the delay alarm 22l descends along with the speed-regulating inserted rod 22 quickly and abuts against the fixed bottom ring 12, and delay alarm is carried out according to preset time.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A nursing liquid flow rate adjusting device comprises an infusion tube (1) and a side adjusting device (2);
a side branch pipe (11) is arranged on the side surface of the infusion tube (1);
the side adjusting device (2) at least comprises a thread lifting rod (22 d) inserted into the infusion tube (1) through a side branch tube (11) and an adjusting through hole (22 f) arranged at the lower end of the thread lifting rod (22 d);
the method is characterized in that:
a fixed bottom ring (12) is arranged at the tail end of the side branch pipe (11), external threads are arranged on the outer wall of the fixed bottom ring (12), an accommodating groove (13) is arranged on the inner wall of the infusion tube (1) far away from one side of the side branch pipe (11), and the inner wall of the side branch pipe (11) and the inner wall of the accommodating groove (13) are both circular and provided with a pair of chord cutting gaps;
the side-mounted adjusting device (2) comprises:
the upper limiting piece (21) comprises an internal threaded pipe (21 a) in threaded connection with the fixed bottom ring (12), a limiting circular ring (21 b) arranged at the inner edge of the upper end of the internal threaded pipe (21 a), and an operation through hole (21 c) arranged above the side wall of the internal threaded pipe (21 a);
the speed regulation inserted bar (22) comprises a cylindrical bar body (22 a), a slide way (22 b) which axially penetrates through the bar body (22 a), and a limiting slot (22 c) which is arranged on one side of the inner wall of the slide way (22 b) and is provided with an opening at the upper end;
the thread lifting rod (22 d) is slidably inserted into the slideway (22 b);
the speed regulation inserted link (22) also comprises a limit plug (22 e) arranged on one side of the thread lifting rod (22 d) and inserted into the limit slot (22 c), an operation circular ring (22 g) arranged at the upper end of the rod body (22 a), a rotary circular groove (22 h) arranged in the operation circular ring (22 g), a notch (22 i) arranged on one side of the operation circular ring (22 g), a lifting nut (22 j) which is rotatably arranged in the rotary circular groove (22 h) and is in threaded fit with the thread lifting rod (22 d), and limit bolts (22 k) which are uniformly distributed on the upper part of the outer wall of the rod body (22 a) in the circumferential direction; the upper end face of the operation circular ring (22 g) is detachably connected through a fixing screw (22 g-1), the rod body (22 a) is inserted into the limiting circular ring (21 b), the cross section of the threaded lifting rod (22 d) is in a circular shape with a pair of chord cutting gaps, the cross section of the threaded lifting rod is matched with the inner walls of the side branch pipe (11) and the accommodating groove (13), and the limiting bolt (22 k) is clamped below the limiting circular ring (21 b);
the adjusting cushion ring (23) is arranged in the upper limiting piece (21) and sleeved on the rod body (22 a);
the adjusting bolts (24) are arranged at least three, the adjusting bolts (24) are uniformly distributed on the fixed bottom ring (12) in the circumferential direction, and the upper ends of the adjusting bolts (24) are abutted to the adjusting backing ring (23);
and the compression spring (25) is sleeved on the rod body (22 a), the lower end of the compression spring is abutted with the adjusting backing ring (23), and the upper end of the compression spring is abutted with the limiting bolt (22 k).
2. The flow rate regulating device for a liquid for nursing according to claim 1, characterized in that: the limiting bolt (22 k) is an inner hexagon nut.
3. The flow rate regulating device for a liquid for nursing according to claim 1, characterized in that: the lower half part of the thread lifting rod (22 d) is formed into a polish rod.
4. The flow rate regulating device for a liquid for nursing according to claim 1, characterized in that: the lower end of the rod body (22 a) is provided with a time delay alarm (22 l).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703511.3A CN107308521B (en) | 2017-08-16 | 2017-08-16 | Liquid flow rate adjusting device for nursing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703511.3A CN107308521B (en) | 2017-08-16 | 2017-08-16 | Liquid flow rate adjusting device for nursing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107308521A CN107308521A (en) | 2017-11-03 |
| CN107308521B true CN107308521B (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710703511.3A Expired - Fee Related CN107308521B (en) | 2017-08-16 | 2017-08-16 | Liquid flow rate adjusting device for nursing |
Country Status (1)
| Country | Link |
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| CN (1) | CN107308521B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999467A (en) * | 2021-04-14 | 2021-06-22 | 于琨 | Liquid flow rate adjusting device for nursing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201636259U (en) * | 2010-01-29 | 2010-11-17 | 宁波亚德客自动化工业有限公司 | Adjustable hydraulic damper |
| CN205041903U (en) * | 2015-10-10 | 2016-02-24 | 广州新克力生物科技有限公司 | Medical flow stopping presss from both sides |
| CN105641779A (en) * | 2014-12-22 | 2016-06-08 | 胡绍勤 | Infusion flow rate adjustor |
-
2017
- 2017-08-16 CN CN201710703511.3A patent/CN107308521B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201636259U (en) * | 2010-01-29 | 2010-11-17 | 宁波亚德客自动化工业有限公司 | Adjustable hydraulic damper |
| CN105641779A (en) * | 2014-12-22 | 2016-06-08 | 胡绍勤 | Infusion flow rate adjustor |
| CN205041903U (en) * | 2015-10-10 | 2016-02-24 | 广州新克力生物科技有限公司 | Medical flow stopping presss from both sides |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107308521A (en) | 2017-11-03 |
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