CN204582150U - A kind of screw mandrel drive-type transfusion device - Google Patents
A kind of screw mandrel drive-type transfusion device Download PDFInfo
- Publication number
- CN204582150U CN204582150U CN201520271553.0U CN201520271553U CN204582150U CN 204582150 U CN204582150 U CN 204582150U CN 201520271553 U CN201520271553 U CN 201520271553U CN 204582150 U CN204582150 U CN 204582150U
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- China
- Prior art keywords
- cylindrical shell
- screw mandrel
- portable plate
- piston plate
- motor
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
This utility model relates to a kind of screw mandrel drive-type transfusion device, at least comprises cylindrical shell, liquid outlet, travel switch, changes bag door, piston plate, gag lever post, portable plate, screw mandrel, motor, motor fixed station etc., described cylindrical shell bottom is provided with liquid outlet, described cylindrical shell bottom is also provided with travel switch, described cylinder lateral wall is provided with and changes bag door, piston plate is provided with in described cylindrical shell, described piston plate and cylindrical shell lower end form transfusing chamber, described piston plate is provided with gag lever post, also portable plate is provided with in described cylindrical shell, described portable plate is plugged on described gag lever post, compression chamber is formed between described portable plate and piston plate, described portable plate center is provided with screwed hole, screw mandrel is installed with in described screwed hole, described screw mandrel upper end is fixedly connected with the rotating shaft of motor, described motor is fixed on motor fixed station, described motor fixed station is located at cylindrical shell top, described motor fixed station is also provided with power supply, switch, buzzer, this utility model drives portable plate by screw mandrel, piston plate is infused.
Description
Technical field
This utility model relates to the infusion apparatus in a kind of medical apparatus and instruments, is specifically related to a kind of screw mandrel drive-type transfusion device.
Background technology
Along with the frequent generation of natural disaster in recent years, the position residing in rescue work of medical treatment is more and more important.And infusion treatment requisite link in simple rescue operations especially.But because general infusion set must hang on above human body in use, utilize atmospheric pressure and segment liquid gravity to be inputted in body by medicine, thus drip stand must be used to complete transfusion, but tradition utilizes gravity infusion to have some limitations.Such as, larger to the space requirement of hospital transfusion room; Can not meet for some utilizes gravity to carry out the situation of infusing, and during as promptly infused to the people being trapped in underground, traditional infusion model just can not solve
Prior art has existed assists by hand air pump or motor-driven air pump the transfusion device carrying out infusing, but still there is following problem in it: air pump directly acts on transfusion bag, infused by extruding transfusion bag, cross conference when air pump active force and patient vessel is caused damage; When air pump sealing generation problem, transfusion device effect declines and even lost efficacy.
Utility model content
The technical problems to be solved in the utility model is: in order to solve the prior art Problems existing in above-mentioned background technology, there is provided a kind of screw mandrel drive-type transfusion device, when solving that the transfusion device of prior art easily causes damage to patient vessel, sealing goes wrong, effect declines even Problem of Failure.
This utility model solves the technical scheme that its technical problem adopts:
A kind of screw mandrel drive-type transfusion device, is characterized in that: at least comprise cylindrical shell, liquid outlet, travel switch, piston plate, gag lever post, portable plate, screw mandrel, motor, motor fixed station, switch, power supply, buzzer, change bag door, described cylindrical shell bottom is provided with liquid outlet, described cylindrical shell bottom is also provided with travel switch, described cylinder lateral wall is provided with and changes bag door, piston plate is provided with in described cylindrical shell, described piston plate and cylindrical shell lower end form transfusing chamber, described piston plate is provided with gag lever post, be positioned in described cylindrical shell above described piston plate and be also provided with portable plate, described portable plate is provided with the spacing hole adapted with described gag lever post, described portable plate is plugged on described gag lever post, compression chamber is formed between described portable plate and piston plate, described portable plate center is provided with screwed hole, screw mandrel is installed with in described screwed hole, described screw mandrel upper end is fixedly connected with the rotating shaft of motor, described motor is fixed on motor fixed station, described motor fixed station is located at cylindrical shell top, described motor fixed station is also provided with switch, power supply, buzzer.
Further, described travel switch is two contact type travel switches, at least comprise movable plunger, moving contact, the first static contact, the second static contact, described cylindrical shell is also provided with for the through wires hole through wire, described motor is electrically connected with the first static contact by the wire through through wires hole, described buzzer is electrically connected with the second static contact, by sealant sealing between described through wires hole and wire by the wire through through wires hole.
Further, described gag lever post upper end is provided with stopper, is provided with baffle ring in the middle part of described gag lever post.
Further, described piston plate, portable plate outer are equipped with rubber ring.
Further, described cylindrical shell is provided with through wires hole, and described motor, buzzer are electrically connected with described travel switch by the wire through through wires hole, realize sealing between described through wires hole and wire by fluid sealant.
The beneficial effects of the utility model:
A kind of screw mandrel drive-type transfusion device of the present utility model, transfusing chamber is put into by changing bag goalkeeper's transfusion bag during installation, described transfusion bag bag mouth is connected with described tube for transfusion through after liquid outlet, by sealant sealing between described transfusion bag bag mouth and described liquid outlet, makes transfusing chamber become airtight cavity, during use, Closing Switch, motor drives screw mandrel to rotate, thus drive the downward step motion of portable plate, compression chamber air pressurized between described portable plate and described piston plate, volume-diminished and pressure increase, when pressure is beyond the mark, piston plate moves downward, gas volume in compression transfusing chamber, atmospheric pressure in transfusing chamber is increased, the liquid in transfusion bag is finally made to flow out, when piston plate continue motion until in transfusion bag liquid close to flow to end state time, the movable plunger of piston plate touching travel switch, described moving contact is separated with the first static contact then contact with the second static contact, now motor stalls, buzzer buzzing reminds nurse to carry out changing liquid, this utility model is by compression chamber, transfusing chamber two-stage buffering, more steady when making transfusion, and when avoiding transfusion, flow velocity is too fast causes damage to patient vessel, during this utility model sealing generation problem, by screw mandrel Direct driver portable plate, portable plate can also be made to drive piston plate to decline by baffle ring, realizes transfusion eventually through compression transfusion bag.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of a kind of embodiment of this utility model travel switch.
Fig. 3 is circuit connection diagram of the present utility model.
In figure: 1. cylindrical shell, 1a. transfusing chamber, 1b. compression chamber, 2. liquid outlet, 3. travel switch, 3a. movable plunger, 4. piston plate, 5. gag lever post, 5a. stopper, 5b. baffle ring, 6. portable plate, 6a. spacing hole, 6b. screwed hole, 7. screw mandrel, 8. motor, 9. motor fixed station, 10. switch, 11. power supplys, 12. buzzers, 13. change bag door, 14. sealing rings, K1. moving contact, K2. the first static contact, K3. second static contact, 15. through wires holes.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with this utility model.
A kind of screw mandrel drive-type transfusion device, at least comprises cylindrical shell 1, liquid outlet 2, travel switch 3, piston plate 4, gag lever post 5, portable plate 6, screw mandrel 7, motor 8, motor fixed station 9, switch 10, power supply 11, buzzer 12, changes bag door 13, described cylindrical shell 1 bottom is provided with liquid outlet 2, described cylindrical shell 1 bottom is also provided with travel switch 3, described cylindrical shell 1 sidewall is provided with and changes bag door 13, piston plate 4 is provided with in described cylindrical shell 1, described piston plate 4 forms transfusing chamber 1a with cylindrical shell 1 lower end, described piston plate 4 is provided with gag lever post 5, be positioned in described cylindrical shell 1 above described piston plate 4 and be also provided with portable plate 6, described portable plate 6 is provided with the spacing hole 6a adapted with described gag lever post 5, described portable plate 6 is plugged on described gag lever post 5, compression chamber 1b is formed between described portable plate 6 and piston plate 4, described portable plate 6 center is provided with screwed hole 6b, screw mandrel 7 is installed with in described screwed hole 6b, described screw mandrel 7 upper end is fixedly connected with the rotating shaft of motor 8, described motor 8 is fixed on motor fixed station 9, described motor fixed station 9 is located at cylindrical shell 1 top, described motor fixed station 9 is also provided with switch 10, power supply 11, buzzer 12.
Further, described travel switch 3 is two contact type travel switches, at least comprise movable plunger 3a, moving contact K1, the first static contact K2, the second static contact K3, described cylindrical shell 1 is also provided with for the through wires hole 15 through wire, described motor 8 is electrically connected with the first static contact K1 by the wire through through wires hole 15, described buzzer 12 is electrically connected with the second static contact K2, by sealant sealing between described through wires hole 15 and wire by the wire through through wires hole 15.
Further, described gag lever post 5 upper end is provided with stopper 5a, is provided with baffle ring 5b in the middle part of described gag lever post 5.
Further, described piston plate 4, portable plate 6 outer are equipped with rubber ring 14, increase the sealing of described compression chamber 1b.
Concrete using method:
Embodiment 1:
A kind of screw mandrel drive-type transfusion device of the present utility model when mounted, by changing bag door 13, transfusion bag is put into transfusing chamber 1a, described transfusion bag bag mouth is connected with described tube for transfusion through after liquid outlet 2, by sealant sealing between described transfusion bag bag mouth and described liquid outlet 2, transfusing chamber 1a is made to become airtight cavity.
A kind of screw mandrel drive-type transfusion device of the present utility model in use, Closing Switch 10, the moving contact K1 of described travel switch 3 is connected with the first static contact K2 by spring action, now power supply 11, switch 10, motor 8, travel switch 3 is connected and is formed loop, motor 8 drives screw mandrel 7 to rotate, thus drive portable plate 6 to do step motion downwards, air pressurized in compression chamber 1b between described portable plate 6 and described piston plate 4, its volume-diminished and pressure increase, promote piston plate 4 to move downward, gas in compression transfusing chamber 1a, atmospheric pressure in transfusing chamber 1a is increased, the liquid in transfusion bag is finally made to flow out, when piston plate 4 continue motion until in transfusion bag liquid close to flow to end state time, piston plate 4 touches the movable plunger 3a of travel switch 3, described moving contact K1 separates with the first static contact K2 and then contacts with the second static contact K3, now motor 8 stops operating, the buzzing of buzzer 12 buzzer 12 reminds nurse to carry out changing liquid, when after infusion-completed, open and change bag door 13, control motor 8 and reverse, the upwards stepping of described portable plate 6, and drive piston plate 4 to reset by stopper 5a.
This utility model does two-stage buffering by the air in compression chamber 1b, transfusing chamber 1a, and more steady when making transfusion, when avoiding starting to infuse, flow velocity is too fast causes damage to patient vessel; This utility model can also remind nurse to carry out replacing liquid or stopping infusion in time by buzzer 12 at the end of transfusion.
Embodiment 2:
Concrete installation method is in the same manner as in Example 1, when the sealing being applicable to this device goes wrong, such as sealing ring 14 occur aging, when in emergency circumstances cannot seal liquid outlet 2 with described transfusion bag bag mouth, described motor 8 drives screw mandrel 7 to rotate, thus drives portable plate 6 stepping downwards, and described portable plate 6 moves downward, described portable plate 6 lower end contacts with described baffle ring 5b, then directly drive piston plate 4 to move downward by gag lever post 5, piston plate 4 oppresses described transfusion bag, and liquid is flowed out.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content in description, must determine its technical scope according to right.
Claims (4)
1. a screw mandrel drive-type transfusion device, is characterized in that: at least comprise cylindrical shell (1), liquid outlet (2), travel switch (3), piston plate (4), gag lever post (5), portable plate (6), screw mandrel (7), motor (8), motor fixed station (9), switch (10), power supply (11), buzzer (12), change bag door (13), described cylindrical shell (1) bottom is provided with liquid outlet (2), described cylindrical shell (1) bottom is also provided with travel switch (3), described cylindrical shell (1) sidewall is provided with and changes bag door (13), piston plate (4) is provided with in described cylindrical shell (1), described piston plate (4) and cylindrical shell (1) lower end form transfusing chamber (1a), described piston plate (4) is provided with gag lever post (5), be positioned at described piston plate (4) top in described cylindrical shell (1) and be also provided with portable plate (6), described portable plate (6) is provided with the spacing hole (6a) adapted with described gag lever post (5), described portable plate (6) is plugged on described gag lever post (5), compression chamber (1b) is formed between described portable plate (6) and piston plate (4), described portable plate (6) center is provided with screwed hole (6b), screw mandrel (7) is installed with in described screwed hole (6b), described screw mandrel (7) upper end is fixedly connected with the rotating shaft of motor (8), described motor (8) is fixed on motor fixed station (9), described motor fixed station (9) is located at cylindrical shell (1) top, described motor fixed station (9) is also provided with switch (10), power supply (11), buzzer (12).
2. a kind of screw mandrel drive-type transfusion device according to claim 1, it is characterized in that: described travel switch (3) is two contact type travel switch, at least comprise movable plunger (3a), moving contact (K1), first static contact (K2), second static contact (K3), described cylindrical shell (1) is also provided with for the through wires hole (15) through wire, described motor (8) is electrically connected with the first static contact (K1) by the wire through through wires hole (15), described buzzer (12) is electrically connected with the second static contact (K2) by the wire through through wires hole (15), by sealant sealing between described through wires hole (15) and wire.
3. a kind of screw mandrel drive-type transfusion device according to claim 1, is characterized in that: described gag lever post (5) upper end is provided with stopper (5a), and described gag lever post (5) middle part is provided with baffle ring (5b).
4. a kind of screw mandrel drive-type transfusion device according to claim 1, is characterized in that: described piston plate (4), portable plate (6) outer are equipped with rubber ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271553.0U CN204582150U (en) | 2015-04-24 | 2015-04-24 | A kind of screw mandrel drive-type transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271553.0U CN204582150U (en) | 2015-04-24 | 2015-04-24 | A kind of screw mandrel drive-type transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204582150U true CN204582150U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520271553.0U Expired - Fee Related CN204582150U (en) | 2015-04-24 | 2015-04-24 | A kind of screw mandrel drive-type transfusion device |
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| CN (1) | CN204582150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning system |
| CN108310533A (en) * | 2018-02-08 | 2018-07-24 | 陕西科技大学 | It is a kind of can the arm of automatic Regulation tie up formula infusion equipment |
-
2015
- 2015-04-24 CN CN201520271553.0U patent/CN204582150U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715237A (en) * | 2017-10-23 | 2018-02-23 | 陈丽曼 | Infusion monitoring warning system |
| CN108310533A (en) * | 2018-02-08 | 2018-07-24 | 陕西科技大学 | It is a kind of can the arm of automatic Regulation tie up formula infusion equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |