CN107007908A - It is a kind of to be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity - Google Patents
It is a kind of to be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity Download PDFInfo
- Publication number
- CN107007908A CN107007908A CN201710321992.1A CN201710321992A CN107007908A CN 107007908 A CN107007908 A CN 107007908A CN 201710321992 A CN201710321992 A CN 201710321992A CN 107007908 A CN107007908 A CN 107007908A
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- China
- Prior art keywords
- screw rod
- semi
- flow velocity
- liquid
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
- A61M5/16881—Regulating valves
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The purpose of the application is to provide a kind of regulation device for being not directly contacted with liquid and precisely adjusting flow velocity automatically, it is characterized in that, including cube-shaped support, the base being connected to below support, the control device being fixedly installed in above the support and the motor for being electrically connected to the control device, the motor is threaded with screw rod and drives the screw rod to rotate to realize up and down motion of the screw rod relative to the base, the screw rod is through the support and its lower end is that the semi-circular recesses set in semi-cylindrical, with the base agree with；The stopping means passed through for infusion tube is provided with the base, the stopping means is arranged at the both sides of the semi-circular recesses and forms circular port with the semi-circular recesses, and the interval of two circular ports is used for the movement of the screw rod；Separate liquid to contact with motor, eliminate the rotation of valve, the service life and cost of the device can be improved；Simple to operate, applied widely, market prospects are good.
Description
Technical field
The invention belongs to technical field of medical instruments, and in particular to one kind is not directly contacted with liquid and automatic precisely regulation stream
The regulation device of speed.
Background technology
With the progress of medical technology, the operation in terms of medical treatment is more and more stricter, and the basis as medical procedure of infusing,
Most of medical procedures are required for using transfusion, with the development of medical technology, the concentration to transfusion and transfusion in transfusion
Speed control requires more and more higher, and some special medicines need flow velocity during strict control transfusion, but traditional infusion is all
Using common woven hose, the flow speed controller that this woven hose is carried, although energy coutroi velocity is still not accurate enough, and not
Flow velocity at that time can be intuitively reacted, therefore to the accuracy and security that have impact on medical procedure, if things go on like this gives medical treatment hair
Exhibition brings difficulty；
Transfusion device be mainly used in venous transfusion it is process aseptic process, set up the common of passage between vein and decoction
Disposable medical treatment consumptive materials, the venous transfusion carried out by transfusion device is indispensable important method and hand in clinical treatment
Section.In order to avoid excessive parenteral solution causes harm into human body to patient, it is necessary to critically be controlled to the flow of parenteral solution
System, in strict accordance with requiring to be infused accordingly.It is transfusion device addition doctor accordingly, it would be desirable to be improved to existing transfusion device
Use delicate flow adjuster, it is ensured that the security of transfusion.
Flow control valve is the stream for carrying out control orifice by the size for changing throttling oral fluid resistance under certain pressure difference
Amount, so as to adjust the valve class of executive component (hydraulic cylinder or hydraulic motor) movement velocity.But the valve is all directly to be connect with liquid
Touch, and contact material is various and dead volume big, and the rotation controlling valve internal material that easily comes off causes pollution also easy
Leakage microbiological contamination etc., is not suitable for the use of biological medicine equipment；And as biological medicine flourishes, such product can not expire
Foot is disposable to be required.
Therefore, it is badly in need of a kind of regulation device of good regulation flow velocity, can solve the problem that above-mentioned the problems of the prior art.
The content of the invention
The subject matter that the application is solved is to provide a kind of unitary design, and automaticity is high, and simple to operate, safety is defended
Life, service life length, the regulation device of regulation flow velocity applied widely, to solve a kind of preparation method complex operation, make
With the technical problem that scope is limited, service life is not grown.
In order to solve the above-mentioned technical problem, it is not directly contacted with liquid and automatic precisely regulation flow velocity the invention discloses one kind
Regulation device, its technical scheme is as follows：
It is a kind of to be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity, it is characterised in that including square
The support of shape, the base being connected to below support, the control device being fixedly installed in above the support and it is electrically connected to described
The motor of control device, the motor is threaded with screw rod and drives the screw rod to rotate to realize the screw rod phase
For the up and down motion of the base, the screw rod is through the support and its lower end is semi-cylindrical, with the base
The semi-circular recesses of upper setting agree with；
The stopping means passed through for infusion tube is provided with the base, the stopping means is arranged at the semicircle
The both sides of groove simultaneously form circular port with the semi-circular recesses, and the interval of two circular ports is used for the movement of the screw rod.
It is preferred that, the motor is stepping or servomotor.
It is preferred that, the screw rod is corundum ceramic screw rod.
It is preferred that, the lower end of the screw rod is provided with the rubber protection contact that surface is frosting.
The regulation device of what the present invention was provided be not directly contacted with liquid and automatic precisely regulation flow velocity, using flexible pipe for medical purpose every
Mechanical part is opened with fluid, it is to avoid fluid is contacted with mechanical part；By servo, the precision electric motor accurate adjustment chuck such as stepping is opened
Scope is closed, flexible pipe for medical purpose fluid velocity inside can be adjusted as needed；Flexible pipe for medical purpose is changed convenient；Connect due to separating liquid with motor
Touch, eliminate the rotation of valve, the service life and cost of the device can be improved；It is simple to operate, applied widely, market prospects
It is good.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is that the structure of the regulation device provided by the present invention for being not directly contacted with liquid and precisely adjusting flow velocity automatically is shown
It is intended to；
Fig. 2 is that the structure of the regulation device provided by the present invention for being not directly contacted with liquid and precisely adjusting flow velocity automatically is shown
It is intended to；
Fig. 3 is that the structure of the regulation device provided by the present invention for being not directly contacted with liquid and precisely adjusting flow velocity automatically is shown
It is intended to.
Embodiment
Some vocabulary have such as been used to censure specific components among specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Specification
Subsequent descriptions for implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not limited to scope of the present application.The protection domain of the application is worked as to be defined depending on the appended claims person of defining.
The application is described in further detail below in conjunction with accompanying drawing, but not as the restriction to the application.
Embodiment one：
As shown in Figure 1, Figure 2, Fig. 3 is provided by the present invention is not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity
Structural representation shown in, it is a kind of to be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity, it is characterised in that bag
Include cube-shaped support 1, be connected to the base 2 of the lower section of support 1, be fixedly installed in the top of support 1 control device and
Be electrically connected to the motor 3 of the control device, the motor 3 be threaded with screw rod 4 and drive the screw rod 4 to rotate with
Up and down motion of the screw rod 4 relative to the base 2 is realized, the screw rod 4 passes through the support 1 and its lower end 41
Agree with for the semi-circular recesses 21 that are set in semi-cylindrical, with the base 2；
The stopping means 22 passed through for infusion tube 5 is provided with the base 2, the stopping means 22 is arranged at described
The both sides of semi-circular recesses 21 simultaneously form circular port with the semi-circular recesses 21, and the interval of two circular ports is used for the spiral
The movement of bar 4.The regulation device that the application is provided, separates mechanical part with fluid, it is to avoid fluid is with machinery using flexible pipe for medical purpose
Part is contacted；Precision electric motor 3 can be connected according to the accurate controlled motor rotational angle of input current frequency, motor 3 with screw thread, according to
Need that suitable pitch may be selected, so as to control chuck folding distance, realize the control fluid velocity inside of infusion tube 5；By more
Change infusion tube 5 can realize it is disposable, so as to reduce cost；Simple to operate, applied widely, market prospects are good.
It is preferred that, the motor 3 is stepping or servomotor.
It is preferred that, the screw rod 4 is corundum ceramic screw rod.Firm and durable, wear rate is small, and service life is long.
It is preferred that, the lower end of the screw rod 4 is provided with the rubber protection contact that surface is frosting.Increase the spiral
Frictional force between the lower end of bar 4 and the surface of the infusion tube 5, accurately and effectively relaxes to the infusion tube 5
Or compress.
In use, motor 3 inputs a fluctuating signal, axle runs 1.8 degree, screw rod operation 0.004mm, active region compression
Or relaxation infusion tube 5, so as to regulate and control the flow velocity of infusion tube 5.Different motors 3 can be selected as needed with the screw rod 4
Pitch, so as to can realize that microspur regulates and controls flow velocity.
Some preferred embodiments of the application have shown and described in described above, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in application contemplated scope described herein
It is modified., then all should be in this Shen and the change and change that those skilled in the art are carried out do not depart from spirit and scope
Please be in the protection domain of appended claims.
Claims (4)
1. a kind of be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity, it is characterised in that including cube-shaped
Support, the base being connected to below support, the control device that is fixedly installed in above the support and be electrically connected to the control
The motor of device processed, the motor is threaded with screw rod and drives the screw rod to rotate to realize that the screw rod is relative
In the up and down motion of the base, the screw rod is through the support and its lower end is in semi-cylindrical, with the base
The semi-circular recesses of setting agree with；
The stopping means passed through for infusion tube is provided with the base, the stopping means is arranged at the semi-circular recesses
Both sides and with semi-circular recesses formation circular port, the movement of the intervals of two circular ports for the screw rod.
2. according to claim 1 be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity, its feature exists
In the motor is stepping or servomotor.
3. according to claim 2 be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity, its feature exists
In the screw rod is corundum ceramic screw rod.
4. according to claim 3 be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity, its feature exists
In the lower end of the screw rod is provided with the rubber protection contact that surface is frosting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321992.1A CN107007908A (en) | 2017-05-09 | 2017-05-09 | It is a kind of to be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321992.1A CN107007908A (en) | 2017-05-09 | 2017-05-09 | It is a kind of to be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107007908A true CN107007908A (en) | 2017-08-04 |
Family
ID=59449636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321992.1A Pending CN107007908A (en) | 2017-05-09 | 2017-05-09 | It is a kind of to be not directly contacted with liquid and the regulation device of automatic precisely regulation flow velocity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107007908A (en) |
Cited By (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 |
|---|---|---|---|---|
| CN200970389Y (en) * | 2006-11-20 | 2007-11-07 | 胡键 | Head hanging type quantitative transfusion device |
| CN202397900U (en) * | 2011-12-07 | 2012-08-29 | 陈国经 | Venous transfusion dropping speed control device |
| CN103191490A (en) * | 2013-04-11 | 2013-07-10 | 武汉大学 | Knob-type infusion speed regulator |
-
2017
- 2017-05-09 CN CN201710321992.1A patent/CN107007908A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200970389Y (en) * | 2006-11-20 | 2007-11-07 | 胡键 | Head hanging type quantitative transfusion device |
| CN202397900U (en) * | 2011-12-07 | 2012-08-29 | 陈国经 | Venous transfusion dropping speed control device |
| CN103191490A (en) * | 2013-04-11 | 2013-07-10 | 武汉大学 | Knob-type infusion speed regulator |
Cited By (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 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170804 |